/* roulang page: index */
:root {
            --bg-void: #0C0912;
            --bg-panel: #151021;
            --bg-panel-2: #1C1529;
            --gold: #C7A04A;
            --amber: #E0B85C;
            --silver: #A9A3B8;
            --violet: #5D3E8F;
            --emerald: #1FA98C;
            --danger: #C94D4D;
            --text-primary: #F2EFE9;
            --text-secondary: #B9B2C7;
            --text-muted: #7D7689;
            --border-gold: rgba(199, 160, 74, 0.28);
            --border-panel: rgba(169, 163, 184, 0.14);
            --shadow-card: 0 16px 40px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 18px 50px rgba(0, 0, 0, 0.5);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-pill: 999px;
            --font-sans: 'Noto Sans SC', 'Source Han Sans SC', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-serif: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', 'SimSun', serif;
            --font-mono: 'JetBrains Mono', 'SF Mono', 'Cascadia Code', 'Consolas', monospace;
            --container-max: 1280px;
            --gap-desktop: 32px;
            --gap-tablet: 20px;
            --gap-mobile: 16px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-primary);
            background-color: var(--bg-void);
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 3px solid rgba(199, 160, 74, 0.18);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--gap-tablet);
        }

        @media (min-width: 769px) {
            .container {
                padding: 0 var(--gap-desktop);
            }
        }

        @media (max-width: 374px) {
            .container {
                padding: 0 12px;
            }
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(12, 9, 18, 0.55);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-gold);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
            transition: var(--transition);
        }

        .site-header.scrolled {
            background: rgba(12, 9, 18, 0.96);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.55);
            border-bottom-color: rgba(199, 160, 74, 0.35);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 24px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            letter-spacing: 0.02em;
            color: var(--text-primary);
            flex-shrink: 0;
        }

        .logo-mark {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border: 1px solid var(--border-gold);
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, rgba(199, 160, 74, 0.2), transparent 70%);
            font-size: 18px;
            color: var(--amber);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 30px;
            flex: 1;
            justify-content: center;
        }

        .main-nav a {
            font-size: 14px;
            color: var(--text-secondary);
            position: relative;
            padding: 6px 0;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .main-nav a:hover {
            color: var(--amber);
        }

        .main-nav a.active {
            color: var(--amber);
        }

        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--amber);
            border-radius: 2px;
            box-shadow: 0 0 12px rgba(224, 184, 92, 0.5);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
        }

        .search-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: 1px solid var(--border-panel);
            color: var(--text-secondary);
            transition: var(--transition);
            background: rgba(21, 16, 33, 0.5);
        }

        .search-btn:hover {
            border-color: var(--border-gold);
            color: var(--amber);
            background: rgba(199, 160, 74, 0.08);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: var(--radius-pill);
            font-weight: 600;
            letter-spacing: 0.02em;
            transition: var(--transition);
            line-height: 1.4;
        }

        .btn-primary {
            background: linear-gradient(180deg, #E0B85C, #B8860B);
            color: #0C0912;
            padding: 12px 24px;
            font-size: 14px;
            box-shadow: 0 4px 16px rgba(224, 184, 92, 0.25);
        }

        .btn-primary:hover {
            filter: brightness(1.05);
            box-shadow: 0 0 20px rgba(224, 184, 92, 0.45);
            transform: translateY(-1px);
        }

        .btn-secondary {
            border: 1px solid var(--border-gold);
            color: var(--text-primary);
            background: rgba(199, 160, 74, 0.06);
            padding: 12px 24px;
            font-size: 14px;
        }

        .btn-secondary:hover {
            background: rgba(199, 160, 74, 0.14);
            border-color: var(--amber);
            color: var(--amber);
        }

        .btn-lg {
            padding: 16px 32px;
            font-size: 16px;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-panel);
            background: rgba(21, 16, 33, 0.5);
        }

        .hamburger span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: var(--transition);
        }

        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        .mobile-drawer {
            display: none;
            position: fixed;
            top: 72px;
            left: 0;
            right: 0;
            bottom: 0;
            background: #151021f2;
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            z-index: 99;
            padding: 24px var(--gap-mobile);
            flex-direction: column;
            gap: 4px;
            overflow-y: auto;
        }

        .mobile-drawer.open {
            display: flex;
        }

        .mobile-drawer a {
            font-size: 16px;
            color: var(--text-primary);
            padding: 14px 16px;
            border-bottom: 1px solid var(--border-panel);
            transition: var(--transition);
        }

        .mobile-drawer a:hover,
        .mobile-drawer a.active {
            color: var(--amber);
            background: rgba(199, 160, 74, 0.06);
        }

        .mobile-drawer .btn {
            margin-top: 16px;
            width: 100%;
        }

        @media (max-width: 768px) {
            .main-nav {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .header-actions .btn-primary {
                display: none;
            }
            .header-inner {
                height: 64px;
            }
            .mobile-drawer {
                top: 64px;
            }
        }

        @media (max-width: 480px) {
            .search-btn {
                width: 36px;
                height: 36px;
            }
            .logo {
                font-size: 17px;
            }
            .logo-mark {
                width: 30px;
                height: 30px;
                font-size: 14px;
            }
        }

        /* ========== HERO ========== */
        .hero {
            min-height: 90vh;
            display: flex;
            align-items: center;
            position: relative;
            padding-top: 72px;
            background-image: linear-gradient(to bottom, rgba(12, 9, 18, 0.7) 0%, rgba(12, 9, 18, 0.45) 40%, rgba(12, 9, 18, 0.85) 100%), url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
        }

        .hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to top, var(--bg-void), transparent);
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
            padding: 60px 0;
        }

        .flash-banner {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            padding: 8px 20px;
            border-radius: var(--radius-pill);
            background: rgba(199, 160, 74, 0.15);
            border: 1px solid var(--border-gold);
            font-size: 14px;
            color: var(--amber);
            margin-bottom: 24px;
            flex-wrap: wrap;
        }

        .flash-banner .countdown {
            font-family: var(--font-mono);
            font-weight: 700;
            font-size: 16px;
            color: var(--amber);
            background: rgba(12, 9, 18, 0.6);
            padding: 2px 10px;
            border-radius: var(--radius-sm);
            letter-spacing: 0.05em;
        }

        .hero h1 {
            font-size: 48px;
            line-height: 1.15;
            font-weight: 700;
            font-family: var(--font-serif);
            color: var(--text-primary);
            margin-bottom: 20px;
            letter-spacing: 0.01em;
            max-width: 800px;
        }

        .hero-subtitle {
            font-size: 17px;
            line-height: 1.8;
            color: var(--text-secondary);
            max-width: 65ch;
            margin-bottom: 32px;
        }

        .hero-cta-group {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 40px;
        }

        .hero-data-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            background: rgba(21, 16, 33, 0.72);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 20px;
            max-width: 900px;
        }

        .hero-data-item {
            text-align: left;
        }

        .hero-data-item .label {
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 4px;
            letter-spacing: 0.04em;
        }

        .hero-data-item .value {
            font-family: var(--font-mono);
            font-size: 24px;
            font-weight: 700;
            color: var(--amber);
            line-height: 1.2;
            font-variant-numeric: tabular-nums;
        }

        .hero-data-item .trend {
            font-size: 12px;
            color: var(--emerald);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        @media (max-width: 1024px) {
            .hero h1 {
                font-size: 38px;
            }
            .hero-data-strip {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .hero {
                min-height: 80vh;
                padding-top: 64px;
            }
            .hero h1 {
                font-size: 30px;
                line-height: 1.25;
            }
            .hero-subtitle {
                font-size: 15px;
            }
            .hero-data-strip {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
                padding: 16px;
            }
            .hero-data-item .value {
                font-size: 20px;
            }
            .flash-banner {
                font-size: 12px;
                padding: 6px 14px;
            }
        }

        @media (max-width: 520px) {
            .hero h1 {
                font-size: 26px;
            }
            .hero-cta-group {
                flex-direction: column;
                gap: 10px;
            }
            .hero-data-strip {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
                padding: 12px;
            }
            .hero-data-item .value {
                font-size: 18px;
            }
        }

        /* ========== SECTIONS ========== */
        .section {
            padding: 80px 0;
            position: relative;
        }

        .section-title {
            font-size: 34px;
            line-height: 1.2;
            font-weight: 700;
            font-family: var(--font-serif);
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: 0.01em;
        }

        .section-subtitle {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-secondary);
            margin-bottom: 40px;
            max-width: 65ch;
        }

        .section-header {
            margin-bottom: 48px;
        }

        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }
            .section-title {
                font-size: 26px;
            }
            .section-subtitle {
                font-size: 14px;
                margin-bottom: 28px;
            }
            .section-header {
                margin-bottom: 32px;
            }
        }

        /* ========== METRICS GRID ========== */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .metric-card {
            background: var(--bg-panel);
            border: 1px solid var(--border-panel);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
        }

        .metric-card:hover {
            border-color: rgba(199, 160, 74, 0.55);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover), 0 0 0 1px rgba(199, 160, 74, 0.18);
        }

        .metric-name {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 10px;
            letter-spacing: 0.04em;
        }

        .metric-value {
            font-family: var(--font-mono);
            font-size: 32px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.2;
            margin-bottom: 8px;
            font-variant-numeric: tabular-nums;
        }

        .metric-trend {
            font-size: 13px;
            display: flex;
            align-items: center;
            gap: 6px;
            color: var(--text-muted);
        }

        .metric-trend.up {
            color: var(--emerald);
        }
        .metric-trend.down {
            color: var(--danger);
        }

        @media (max-width: 1024px) {
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 520px) {
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .metric-card {
                padding: 16px;
            }
            .metric-value {
                font-size: 24px;
            }
        }

        @media (max-width: 374px) {
            .metrics-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== SERVICE MATRIX ========== */
        .service-matrix {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 20px;
            grid-template-areas:
                "main side1 side2"
                "main bottom1 bottom2";
        }

        .service-card {
            background: var(--bg-panel);
            border: 1px solid var(--border-panel);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .service-card:hover {
            border-color: rgba(199, 160, 74, 0.55);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover), 0 0 0 1px rgba(199, 160, 74, 0.18);
        }

        .service-card .card-img {
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: var(--bg-panel-2);
        }

        .service-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

        .service-card:hover .card-img img {
            transform: scale(1.03);
        }

        .service-card .card-body {
            padding: 20px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .service-card .card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.35;
        }

        .service-card .card-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }

        .service-card .card-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            color: var(--amber);
            letter-spacing: 0.04em;
        }

        .service-card.main {
            grid-area: main;
        }
        .service-card.side1 {
            grid-area: side1;
        }
        .service-card.side2 {
            grid-area: side2;
        }
        .service-card.bottom1 {
            grid-area: bottom1;
        }
        .service-card.bottom2 {
            grid-area: bottom2;
        }

        @media (max-width: 1024px) {
            .service-matrix {
                grid-template-columns: 1fr 1fr;
                grid-template-areas:
                    "main main"
                    "side1 side2"
                    "bottom1 bottom2";
            }
        }

        @media (max-width: 768px) {
            .service-matrix {
                grid-template-columns: 1fr;
                grid-template-areas:
                    "main"
                    "side1"
                    "side2"
                    "bottom1"
                    "bottom2";
            }
        }

        /* ========== COMPARISON TABLE ========== */
        .comparison-panel {
            background: var(--bg-panel);
            border: 1px solid var(--border-panel);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
        }

        .comparison-table th {
            font-size: 14px;
            color: var(--text-secondary);
            font-weight: 600;
            text-align: left;
            padding: 16px 20px;
            border-bottom: 1px solid rgba(169, 163, 184, 0.1);
            background: rgba(93, 62, 143, 0.15);
            letter-spacing: 0.03em;
        }

        .comparison-table td {
            padding: 14px 20px;
            border-bottom: 1px solid rgba(169, 163, 184, 0.08);
            font-size: 14px;
            color: var(--text-secondary);
        }

        .comparison-table tr:last-child td {
            border-bottom: none;
        }

        .comparison-table .metric-name-cell {
            color: var(--text-primary);
            font-weight: 600;
        }

        .comparison-table .benchmark {
            font-family: var(--font-mono);
            font-variant-numeric: tabular-nums;
        }

        .comparison-table .target {
            font-family: var(--font-mono);
            font-variant-numeric: tabular-nums;
            color: var(--amber);
        }

        .comparison-table .diff {
            font-weight: 700;
            font-family: var(--font-mono);
            font-variant-numeric: tabular-nums;
        }

        .diff.positive {
            color: var(--emerald);
        }
        .diff.negative {
            color: var(--danger);
        }

        .data-bar {
            height: 6px;
            border-radius: 3px;
            background: rgba(169, 163, 184, 0.15);
            overflow: hidden;
            margin-top: 6px;
        }

        .data-bar .fill {
            height: 100%;
            border-radius: 3px;
            background: linear-gradient(90deg, var(--gold), var(--amber));
            transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .data-bar .fill.emerald {
            background: linear-gradient(90deg, #0E7A65, var(--emerald));
        }

        @media (max-width: 768px) {
            .comparison-table th,
            .comparison-table td {
                padding: 10px 14px;
                font-size: 12px;
            }
            .comparison-table {
                display: block;
                overflow-x: auto;
                white-space: nowrap;
            }
        }

        /* ========== CATEGORY ENTRY ========== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .category-tile {
            background: var(--bg-panel);
            border: 1px solid var(--border-panel);
            border-radius: var(--radius-md);
            padding: 20px;
            text-align: left;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            gap: 6px;
            position: relative;
            overflow: hidden;
        }

        .category-tile::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--gold), transparent);
            opacity: 0;
            transition: var(--transition);
        }

        .category-tile:hover {
            border-color: var(--border-gold);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
        }

        .category-tile:hover::before {
            opacity: 1;
        }

        .category-tile .cat-name {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
        }

        .category-tile .cat-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        @media (max-width: 1024px) {
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 520px) {
            .category-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .category-tile {
                padding: 16px;
            }
        }

        /* ========== RESOURCE LIST ========== */
        .resource-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            background: var(--bg-panel);
            border: 1px solid var(--border-panel);
            border-radius: var(--radius-lg);
            overflow: hidden;
        }

        .resource-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 18px 22px;
            border-bottom: 1px solid rgba(169, 163, 184, 0.08);
            transition: var(--transition);
            cursor: pointer;
        }

        .resource-item:last-child {
            border-bottom: none;
        }

        .resource-item:hover {
            background: rgba(199, 160, 74, 0.06);
        }

        .resource-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: rgba(93, 62, 143, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            flex-shrink: 0;
            color: var(--amber);
        }

        .resource-info {
            flex: 1;
        }

        .resource-info .res-name {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
        }

        .resource-info .res-meta {
            font-size: 13px;
            color: var(--text-muted);
        }

        .resource-item .res-action {
            font-size: 13px;
            color: var(--amber);
            white-space: nowrap;
        }

        @media (max-width: 520px) {
            .resource-item {
                flex-wrap: wrap;
                padding: 14px 16px;
            }
            .resource-info {
                min-width: 60%;
            }
        }

        /* ========== NEWS SECTION ========== */
        .news-layout {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 24px;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            background: var(--bg-panel);
            border: 1px solid var(--border-panel);
            border-radius: var(--radius-lg);
            overflow: hidden;
        }

        .news-item {
            display: flex;
            align-items: baseline;
            gap: 16px;
            padding: 18px 22px;
            border-bottom: 1px solid rgba(169, 163, 184, 0.08);
            transition: var(--transition);
        }

        .news-item:last-child {
            border-bottom: none;
        }

        .news-item:hover {
            background: rgba(199, 160, 74, 0.05);
        }

        .news-date {
            font-family: var(--font-mono);
            font-size: 13px;
            color: var(--text-muted);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .news-content {
            flex: 1;
        }

        .news-content .news-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .news-content .news-summary {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .news-sidebar {
            background: var(--bg-panel-2);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 24px;
            display: flex;
            flex-direction: column;
            gap: 14px;
            height: fit-content;
        }

        .news-sidebar h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .news-sidebar .side-item {
            padding: 10px 0;
            border-bottom: 1px solid var(--border-panel);
            font-size: 13px;
            color: var(--text-secondary);
        }

        .news-sidebar .side-item:last-child {
            border-bottom: none;
        }

        @media (max-width: 768px) {
            .news-layout {
                grid-template-columns: 1fr;
            }
            .news-item {
                flex-direction: column;
                gap: 4px;
                padding: 14px 16px;
            }
        }

        /* ========== REVIEWS ========== */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .review-card {
            background: var(--bg-panel);
            border: 1px solid var(--border-panel);
            border-radius: var(--radius-lg);
            padding: 24px;
            transition: var(--transition);
        }

        .review-card:hover {
            border-color: var(--border-gold);
            transform: translateY(-2px);
        }

        .review-card .reviewer {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
        }

        .review-card .avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(93, 62, 143, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: var(--amber);
            flex-shrink: 0;
        }

        .review-card .reviewer-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
        }

        .review-card .reviewer-role {
            font-size: 12px;
            color: var(--text-muted);
        }

        .review-card .review-text {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        @media (max-width: 1024px) {
            .reviews-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .reviews-grid {
                grid-template-columns: 1fr;
            }
            .review-card {
                padding: 18px;
            }
        }

        /* ========== BRAND INTRO ========== */
        .brand-intro {
            background: var(--bg-panel);
            border: 1px solid var(--border-panel);
            border-radius: var(--radius-xl);
            padding: 48px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            background-image: linear-gradient(135deg, rgba(93, 62, 143, 0.15) 0%, transparent 50%, rgba(199, 160, 74, 0.06) 100%);
        }

        .brand-intro .intro-text h3 {
            font-size: 26px;
            font-weight: 700;
            font-family: var(--font-serif);
            color: var(--text-primary);
            margin-bottom: 16px;
        }

        .brand-intro .intro-text p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.9;
            margin-bottom: 16px;
        }

        .brand-intro .intro-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-gold);
        }

        .brand-intro .intro-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 4 / 3;
        }

        @media (max-width: 768px) {
            .brand-intro {
                grid-template-columns: 1fr;
                padding: 24px;
                gap: 20px;
            }
            .brand-intro .intro-text h3 {
                font-size: 22px;
            }
        }

        /* ========== PARTNERS ========== */
        .partners-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 14px;
        }

        .partner-tag {
            background: var(--bg-panel);
            border: 1px solid var(--border-panel);
            border-radius: var(--radius-md);
            padding: 16px;
            text-align: center;
            transition: var(--transition);
        }

        .partner-tag:hover {
            border-color: var(--border-gold);
            background: rgba(199, 160, 74, 0.05);
            transform: translateY(-2px);
        }

        .partner-tag .tag-icon {
            font-size: 22px;
            margin-bottom: 6px;
            color: var(--amber);
        }

        .partner-tag .tag-name {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-primary);
            display: block;
            margin-bottom: 2px;
        }

        .partner-tag .tag-desc {
            font-size: 11px;
            color: var(--text-muted);
        }

        @media (max-width: 1024px) {
            .partners-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (max-width: 520px) {
            .partners-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .partner-tag {
                padding: 12px;
            }
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--bg-panel);
            border: 1px solid var(--border-panel);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item.open {
            background: var(--bg-panel-2);
            border-color: var(--border-gold);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            cursor: pointer;
            gap: 16px;
            user-select: none;
            -webkit-user-select: none;
        }

        .faq-question .q-text {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.5;
        }

        .faq-question .q-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1px solid var(--border-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: var(--amber);
            transition: var(--transition);
            flex-shrink: 0;
        }

        .faq-item.open .q-icon {
            transform: rotate(45deg);
            background: rgba(199, 160, 74, 0.15);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
        }

        .faq-answer .a-text {
            padding: 0 22px 20px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        @media (max-width: 520px) {
            .faq-question {
                padding: 14px 16px;
            }
            .faq-question .q-text {
                font-size: 14px;
            }
            .faq-answer .a-text {
                padding: 0 16px 16px;
                font-size: 13px;
            }
        }

        /* ========== CTA FORM ========== */
        .cta-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .cta-info h3 {
            font-size: 28px;
            font-weight: 700;
            font-family: var(--font-serif);
            color: var(--text-primary);
            margin-bottom: 16px;
        }

        .cta-info p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 22px;
        }

        .cta-benefits {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .cta-benefits li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: var(--text-primary);
        }

        .cta-benefits li::before {
            content: '◆';
            color: var(--amber);
            font-size: 12px;
            margin-top: 4px;
        }

        .cta-form-card {
            background: var(--bg-panel-2);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-xl);
            padding: 32px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
        }

        .cta-form-card .form-group {
            margin-bottom: 18px;
        }

        .cta-form-card label {
            display: block;
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 6px;
            letter-spacing: 0.03em;
        }

        .cta-form-card input,
        .cta-form-card select,
        .cta-form-card textarea {
            width: 100%;
            background: #0C0912;
            border: 1px solid rgba(169, 163, 184, 0.2);
            border-radius: var(--radius-md);
            padding: 12px 16px;
            color: var(--text-primary);
            font-size: 14px;
            transition: var(--transition);
        }

        .cta-form-card input:focus,
        .cta-form-card select:focus,
        .cta-form-card textarea:focus {
            border-color: var(--amber);
            box-shadow: 0 0 0 3px rgba(199, 160, 74, 0.18);
        }

        .cta-form-card input.error {
            border-color: var(--danger);
            box-shadow: 0 0 0 3px rgba(201, 77, 77, 0.18);
        }

        .cta-form-card .form-submit {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        .cta-form-card .success-msg {
            color: var(--emerald);
            font-size: 14px;
            display: none;
        }

        .cta-form-card .success-msg.show {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        @media (max-width: 1024px) {
            .cta-layout {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 520px) {
            .cta-form-card {
                padding: 20px;
            }
            .cta-info h3 {
                font-size: 22px;
            }
        }

        /* ========== DOWNLOAD GUIDE ========== */
        .download-section {
            background: var(--bg-panel);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-xl);
            padding: 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }

        .download-section .dl-info h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .download-section .dl-info p {
            font-size: 14px;
            color: var(--text-secondary);
        }

        @media (max-width: 768px) {
            .download-section {
                padding: 24px;
                flex-direction: column;
                align-items: flex-start;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #0A0711;
            border-top: 1px solid var(--border-gold);
            padding: 60px 0 32px;
            margin-top: 60px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 40px;
        }

        .footer-col .footer-logo {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .footer-col .footer-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 14px;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul a {
            font-size: 13px;
            color: var(--text-muted);
            transition: var(--transition);
        }

        .footer-col ul a:hover {
            color: var(--amber);
        }

        .footer-bottom {
            border-top: 1px solid var(--border-panel);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: space-between;
            align-items: center;
            font-size: 12px;
            color: var(--text-muted);
        }

        .footer-bottom .legal-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer-bottom .legal-links a {
            color: var(--text-muted);
            transition: var(--transition);
        }

        .footer-bottom .legal-links a:hover {
            color: var(--amber);
        }

        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
        }

        /* ========== MISC ========== */
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

        .text-accent {
            color: var(--amber);
        }

        .mt-0 {
            margin-top: 0;
        }
        .mb-0 {
            margin-bottom: 0;
        }

/* roulang page: category2 */
:root {
            --bg-void: #0C0912;
            --bg-panel: #151021;
            --bg-panel-2: #1C1529;
            --gold: #C7A04A;
            --amber: #E0B85C;
            --silver: #A9A3B8;
            --violet: #5D3E8F;
            --emerald: #1FA98C;
            --danger: #C94D4D;
            --text-primary: #F2EFE9;
            --text-secondary: #B9B2C7;
            --text-muted: #7D7689;
            --border-gold: rgba(199, 160, 74, 0.28);
            --border-panel: rgba(169, 163, 184, 0.14);
            --shadow-card: 0 16px 40px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 18px 50px rgba(0, 0, 0, 0.5);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-pill: 999px;
            --font-sans: 'Noto Sans SC', 'Source Han Sans SC', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-serif: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', 'SimSun', serif;
            --font-mono: 'JetBrains Mono', 'SF Mono', 'Cascadia Code', 'Consolas', monospace;
            --container-max: 1280px;
            --gap-desktop: 32px;
            --gap-tablet: 20px;
            --gap-mobile: 16px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-primary);
            background-color: var(--bg-void);
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 3px solid rgba(199, 160, 74, 0.18);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--gap-desktop);
        }

        @media (max-width: 1024px) {
            .container {
                padding: 0 var(--gap-tablet);
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 var(--gap-mobile);
            }
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(12, 9, 18, 0.55);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-gold);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
            transition: var(--transition);
        }

        .site-header.scrolled {
            background: rgba(12, 9, 18, 0.96);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.55);
            border-bottom-color: rgba(199, 160, 74, 0.35);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 24px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            letter-spacing: 0.02em;
            color: var(--text-primary);
            flex-shrink: 0;
        }

        .logo-mark {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border: 1px solid var(--border-gold);
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, rgba(199, 160, 74, 0.2), transparent 70%);
            font-size: 18px;
            color: var(--amber);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 30px;
            flex: 1;
            justify-content: center;
        }

        .main-nav a {
            font-size: 14px;
            color: var(--text-secondary);
            position: relative;
            padding: 6px 0;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .main-nav a:hover {
            color: var(--amber);
        }

        .main-nav a.active {
            color: var(--amber);
        }

        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--amber);
            border-radius: 2px;
            box-shadow: 0 0 12px rgba(224, 184, 92, 0.5);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
        }

        .search-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: 1px solid var(--border-panel);
            color: var(--text-secondary);
            transition: var(--transition);
            background: rgba(21, 16, 33, 0.5);
            font-size: 16px;
        }

        .search-btn:hover {
            border-color: var(--border-gold);
            color: var(--amber);
            background: rgba(199, 160, 74, 0.1);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 28px;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.02em;
            border-radius: var(--radius-pill);
            transition: var(--transition);
            white-space: nowrap;
            line-height: 1.2;
        }

        .btn-primary {
            background: linear-gradient(180deg, #E0B85C, #B8860B);
            color: #0C0912;
        }

        .btn-primary:hover {
            filter: brightness(1.05);
            box-shadow: 0 0 20px rgba(224, 184, 92, 0.45);
            transform: translateY(-1px);
        }

        .btn-secondary {
            border: 1px solid var(--border-gold);
            color: var(--text-primary);
            background: rgba(199, 160, 74, 0.06);
        }

        .btn-secondary:hover {
            background: rgba(199, 160, 74, 0.14);
            transform: translateY(-1px);
        }

        .btn-sm {
            padding: 10px 18px;
            font-size: 14px;
        }

        .mobile-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            width: 44px;
            height: 44px;
            gap: 5px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-panel);
            background: rgba(21, 16, 33, 0.6);
        }

        .mobile-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text-secondary);
            border-radius: 2px;
            transition: var(--transition);
        }

        .mobile-toggle.open span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .mobile-toggle.open span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }
        .mobile-toggle.open span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        .mobile-drawer {
            display: none;
            position: fixed;
            top: 72px;
            left: 0;
            right: 0;
            bottom: 0;
            background: #151021f2;
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            z-index: 99;
            flex-direction: column;
            padding: 24px var(--gap-mobile);
            gap: 8px;
            overflow-y: auto;
        }

        .mobile-drawer.open {
            display: flex;
        }

        .mobile-drawer a {
            font-size: 16px;
            color: var(--text-secondary);
            padding: 14px 4px;
            border-bottom: 1px solid var(--border-panel);
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .mobile-drawer a:hover,
        .mobile-drawer a.active {
            color: var(--amber);
        }

        .mobile-drawer .btn {
            margin-top: 16px;
            width: 100%;
        }

        @media (max-width: 1024px) {
            .main-nav {
                gap: 20px;
            }
            .main-nav a {
                font-size: 13px;
            }
        }

        @media (max-width: 768px) {
            .main-nav {
                display: none;
            }
            .header-actions .btn {
                display: none;
            }
            .mobile-toggle {
                display: flex;
            }
            .header-inner {
                height: 64px;
            }
            .mobile-drawer {
                top: 64px;
            }
        }

        /* ========== PAGE HERO ========== */
        .page-hero {
            position: relative;
            padding: 160px 0 80px;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(12, 9, 18, 0.82) 0%, rgba(12, 9, 18, 0.68) 50%, rgba(12, 9, 18, 0.95) 100%);
            z-index: 1;
        }

        .page-hero .container {
            position: relative;
            z-index: 2;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 28px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-secondary);
            transition: var(--transition);
        }

        .breadcrumb a:hover {
            color: var(--amber);
        }

        .breadcrumb .separator {
            color: var(--gold);
            font-size: 10px;
            user-select: none;
        }

        .breadcrumb .current {
            color: var(--amber);
        }

        .page-hero h1 {
            font-family: var(--font-serif);
            font-size: 48px;
            line-height: 1.15;
            font-weight: 700;
            letter-spacing: 0.01em;
            margin-bottom: 20px;
            max-width: 800px;
            color: var(--text-primary);
        }

        .page-hero .hero-subtitle {
            font-size: 18px;
            line-height: 1.8;
            color: var(--text-secondary);
            max-width: 680px;
            margin-bottom: 32px;
        }

        .hero-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .hero-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 48px;
            padding: 24px;
            background: rgba(21, 16, 33, 0.72);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

        .hero-stat {
            text-align: left;
        }

        .hero-stat .stat-value {
            font-family: var(--font-mono);
            font-size: 28px;
            font-weight: 700;
            color: var(--amber);
            letter-spacing: -0.02em;
            line-height: 1.2;
            display: block;
        }

        .hero-stat .stat-label {
            display: block;
            margin-top: 6px;
            font-size: 13px;
            color: var(--text-secondary);
            letter-spacing: 0.03em;
        }

        @media (max-width: 768px) {
            .page-hero {
                padding: 120px 0 60px;
            }
            .page-hero h1 {
                font-size: 34px;
            }
            .page-hero .hero-subtitle {
                font-size: 16px;
            }
            .hero-stats {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
                padding: 18px;
            }
            .hero-stat .stat-value {
                font-size: 22px;
            }
        }

        @media (max-width: 520px) {
            .page-hero {
                padding: 100px 0 40px;
            }
            .page-hero h1 {
                font-size: 28px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .hero-stats {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
                padding: 14px;
            }
            .hero-stat .stat-value {
                font-size: 19px;
            }
        }

        /* ========== SECTION COMMON ========== */
        .section {
            padding: 80px 0;
            position: relative;
        }

        .section-alt {
            background: var(--bg-panel);
        }

        .section-head {
            margin-bottom: 48px;
        }

        .section-label {
            display: inline-block;
            padding: 6px 14px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--amber);
            background: rgba(199, 160, 74, 0.1);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-pill);
            margin-bottom: 16px;
        }

        .section-head h2 {
            font-family: var(--font-serif);
            font-size: 36px;
            line-height: 1.2;
            font-weight: 700;
            letter-spacing: 0.01em;
            margin-bottom: 16px;
            color: var(--text-primary);
        }

        .section-head p {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-secondary);
            max-width: 680px;
        }

        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }
            .section-head {
                margin-bottom: 32px;
            }
            .section-head h2 {
                font-size: 28px;
            }
        }

        @media (max-width: 520px) {
            .section {
                padding: 40px 0;
            }
            .section-head h2 {
                font-size: 24px;
            }
        }

        /* ========== SERVICE INTRO GRID ========== */
        .conversion-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 32px;
            align-items: stretch;
        }

        .conversion-intro-text {
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 20px;
        }

        .conversion-intro-text h3 {
            font-size: 22px;
            line-height: 1.35;
            font-weight: 600;
            color: var(--text-primary);
        }

        .conversion-intro-text p {
            color: var(--text-secondary);
            line-height: 1.9;
        }

        .intro-highlight {
            padding: 18px 20px;
            background: rgba(199, 160, 74, 0.06);
            border-left: 4px solid var(--gold);
            border-radius: var(--radius-md);
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        .intro-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-panel);
            box-shadow: var(--shadow-card);
        }

        .intro-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

        .intro-image:hover img {
            transform: scale(1.03);
        }

        @media (max-width: 768px) {
            .conversion-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .intro-image {
                order: -1;
            }
        }

        /* ========== METRIC CARDS ========== */
        .metric-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .metric-card {
            background: var(--bg-panel);
            border: 1px solid var(--border-panel);
            border-radius: var(--radius-lg);
            padding: 28px;
            transition: var(--transition);
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .metric-card:hover {
            border-color: rgba(199, 160, 74, 0.55);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover), 0 0 0 1px rgba(199, 160, 74, 0.18);
        }

        .metric-icon {
            width: 48px;
            height: 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-md);
            background: rgba(93, 62, 143, 0.25);
            color: var(--amber);
            font-size: 22px;
        }

        .metric-card h3 {
            font-size: 18px;
            font-weight: 600;
            line-height: 1.3;
            color: var(--text-primary);
        }

        .metric-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            flex: 1;
        }

        .metric-value {
            font-family: var(--font-mono);
            font-size: 20px;
            font-weight: 700;
            color: var(--emerald);
            letter-spacing: -0.02em;
        }

        .metric-value.negative {
            color: var(--danger);
        }

        @media (max-width: 1024px) {
            .metric-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
        }

        @media (max-width: 640px) {
            .metric-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .metric-card {
                padding: 20px;
            }
        }

        /* ========== SCENARIO LIST ========== */
        .scenario-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .scenario-item {
            display: flex;
            gap: 18px;
            padding: 24px;
            background: var(--bg-panel);
            border: 1px solid var(--border-panel);
            border-radius: var(--radius-lg);
            transition: var(--transition);
        }

        .scenario-item:hover {
            border-color: var(--border-gold);
            background: var(--bg-panel-2);
        }

        .scenario-index {
            font-family: var(--font-mono);
            font-size: 28px;
            font-weight: 700;
            color: var(--violet);
            line-height: 1;
            flex-shrink: 0;
        }

        .scenario-content h3 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text-primary);
        }

        .scenario-content p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        @media (max-width: 768px) {
            .scenario-list {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .scenario-item {
                padding: 18px;
            }
        }

        /* ========== PROCESS TIMELINE ========== */
        .process-timeline {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
            position: relative;
        }

        .process-step {
            background: var(--bg-panel);
            border: 1px solid var(--border-panel);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            text-align: center;
            transition: var(--transition);
            position: relative;
        }

        .process-step:hover {
            border-color: var(--border-gold);
            transform: translateY(-3px);
            box-shadow: var(--shadow-card);
        }

        .process-step .step-num {
            font-family: var(--font-mono);
            font-size: 13px;
            font-weight: 600;
            color: var(--amber);
            letter-spacing: 0.06em;
            margin-bottom: 10px;
            display: block;
        }

        .process-step h3 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text-primary);
            line-height: 1.4;
        }

        .process-step p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        .process-arrow {
            position: absolute;
            top: 50%;
            right: -14px;
            transform: translateY(-50%);
            color: var(--gold);
            font-size: 18px;
            z-index: 1;
            user-select: none;
        }

        @media (max-width: 1024px) {
            .process-timeline {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .process-arrow {
                display: none;
            }
        }

        /* ========== COMPARISON TABLE ========== */
        .comparison-wrapper {
            background: var(--bg-panel);
            border: 1px solid var(--border-panel);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
        }

        .comparison-table thead th {
            padding: 16px 20px;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.03em;
            color: var(--text-secondary);
            text-align: left;
            background: rgba(93, 62, 143, 0.25);
            border-bottom: 1px solid var(--border-panel);
        }

        .comparison-table tbody td {
            padding: 16px 20px;
            font-size: 14px;
            color: var(--text-secondary);
            border-bottom: 1px solid rgba(169, 163, 184, 0.1);
        }

        .comparison-table tbody tr:nth-child(odd) {
            background: var(--bg-panel);
        }

        .comparison-table tbody tr:nth-child(even) {
            background: var(--bg-panel-2);
        }

        .comparison-table tbody tr:last-child td {
            border-bottom: none;
        }

        .diff-positive {
            color: var(--emerald);
            font-weight: 600;
            font-family: var(--font-mono);
        }

        .diff-negative {
            color: var(--danger);
            font-weight: 600;
            font-family: var(--font-mono);
        }

        .data-bar {
            display: inline-block;
            height: 8px;
            border-radius: 4px;
            margin-right: 8px;
            vertical-align: middle;
        }

        .data-bar.gold {
            background: var(--gold);
        }

        .data-bar.emerald {
            background: var(--emerald);
        }

        @media (max-width: 768px) {
            .comparison-table thead th,
            .comparison-table tbody td {
                padding: 12px 14px;
                font-size: 13px;
            }
        }

        @media (max-width: 520px) {
            .comparison-wrapper {
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
            }
            .comparison-table {
                min-width: 560px;
            }
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .faq-item {
            background: var(--bg-panel);
            border: 1px solid var(--border-panel);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item.open {
            background: var(--bg-panel-2);
            border-color: var(--border-gold);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-primary);
            cursor: pointer;
            user-select: none;
            transition: var(--transition);
            width: 100%;
            text-align: left;
        }

        .faq-question:hover {
            color: var(--amber);
        }

        .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--gold);
            transition: transform 0.3s ease;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            padding: 0 22px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            padding: 0 22px 20px;
            max-height: 400px;
        }

        /* ========== CTA FORM ========== */
        .cta-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: stretch;
        }

        .cta-info {
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 20px;
        }

        .cta-info h2 {
            font-family: var(--font-serif);
            font-size: 32px;
            line-height: 1.2;
            font-weight: 700;
            color: var(--text-primary);
        }

        .cta-info p {
            color: var(--text-secondary);
            line-height: 1.8;
        }

        .cta-benefits {
            display: flex;
            flex-direction: column;
            gap: 14px;
            list-style: none;
        }

        .cta-benefits li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.7;
        }

        .cta-benefits li::before {
            content: '◆';
            color: var(--gold);
            font-size: 12px;
            margin-top: 4px;
            flex-shrink: 0;
        }

        .form-card {
            background: var(--bg-panel-2);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-xl);
            padding: 32px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
        }

        .form-card h3 {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 20px;
            color: var(--text-primary);
        }

        .form-group {
            margin-bottom: 18px;
        }

        .form-group label {
            display: block;
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 6px;
            letter-spacing: 0.02em;
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            padding: 12px 16px;
            background: #0C0912;
            border: 1px solid rgba(169, 163, 184, 0.2);
            border-radius: var(--radius-md);
            color: var(--text-primary);
            transition: var(--transition);
            font-size: 15px;
            line-height: 1.5;
        }

        .form-group input::placeholder,
        .form-group textarea::placeholder {
            color: var(--text-muted);
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            border-color: var(--amber);
            box-shadow: 0 0 0 3px rgba(199, 160, 74, 0.18);
        }

        .form-group .error-text {
            color: var(--danger);
            font-size: 13px;
            margin-top: 4px;
            display: none;
        }

        .form-group.has-error input,
        .form-group.has-error select,
        .form-group.has-error textarea {
            border-color: var(--danger);
            box-shadow: 0 0 0 3px rgba(201, 77, 77, 0.18);
        }

        .form-group.has-error .error-text {
            display: block;
        }

        .form-success {
            display: none;
            padding: 14px 18px;
            background: rgba(31, 169, 140, 0.12);
            border: 1px solid var(--emerald);
            border-radius: var(--radius-md);
            color: var(--emerald);
            font-size: 14px;
            margin-bottom: 18px;
        }

        .form-success.show {
            display: block;
        }

        .form-card .btn-primary {
            width: 100%;
            padding: 16px;
            font-size: 16px;
            margin-top: 4px;
        }

        @media (max-width: 768px) {
            .cta-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .form-card {
                padding: 24px 20px;
            }
            .cta-info h2 {
                font-size: 26px;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #0A0711;
            border-top: 1px solid var(--border-gold);
            padding: 64px 0 28px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 40px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: var(--text-primary);
            margin-bottom: 14px;
        }

        .footer-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: var(--transition);
        }

        .footer-col ul a:hover {
            color: var(--amber);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            padding-top: 24px;
            border-top: 1px solid var(--border-panel);
            font-size: 13px;
            color: var(--text-muted);
        }

        .legal-links {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px 12px;
        }

        .legal-links span {
            color: var(--text-muted);
        }

        .legal-links a {
            color: var(--text-muted);
            transition: var(--transition);
        }

        .legal-links a:hover {
            color: var(--amber);
        }

        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .footer-desc {
                max-width: 100%;
            }
        }

        @media (max-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        /* ========== BACK TO TOP ========== */
        .back-to-top {
            position: fixed;
            right: 24px;
            bottom: 24px;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--bg-panel-2);
            border: 1px solid var(--border-gold);
            color: var(--amber);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            cursor: pointer;
            transition: var(--transition);
            opacity: 0;
            pointer-events: none;
            z-index: 90;
        }

        .back-to-top.show {
            opacity: 1;
            pointer-events: auto;
        }

        .back-to-top:hover {
            background: rgba(199, 160, 74, 0.16);
            box-shadow: 0 0 16px rgba(224, 184, 92, 0.35);
        }

        @media (max-width: 768px) {
            .back-to-top {
                right: 12px;
                bottom: 12px;
                width: 38px;
                height: 38px;
                font-size: 16px;
            }
        }

/* roulang page: category1 */
:root {
            --bg-void: #0C0912;
            --bg-panel: #151021;
            --bg-panel-2: #1C1529;
            --gold: #C7A04A;
            --amber: #E0B85C;
            --silver: #A9A3B8;
            --violet: #5D3E8F;
            --emerald: #1FA98C;
            --danger: #C94D4D;
            --text-primary: #F2EFE9;
            --text-secondary: #B9B2C7;
            --text-muted: #7D7689;
            --border-gold: rgba(199, 160, 74, 0.28);
            --border-panel: rgba(169, 163, 184, 0.14);
            --shadow-card: 0 16px 40px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 18px 50px rgba(0, 0, 0, 0.5);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-pill: 999px;
            --font-sans: 'Noto Sans SC', 'Source Han Sans SC', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-serif: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', 'SimSun', serif;
            --font-mono: 'JetBrains Mono', 'SF Mono', 'Cascadia Code', 'Consolas', monospace;
            --container-max: 1280px;
            --gap-desktop: 32px;
            --gap-tablet: 20px;
            --gap-mobile: 16px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-primary);
            background-color: var(--bg-void);
            overflow-x: hidden;
            min-height: 100vh;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }
        button {
            cursor: pointer;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 3px solid rgba(199, 160, 74, 0.18);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--gap-desktop);
        }
        /* ========== HEADER / NAV ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(12, 9, 18, 0.55);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-gold);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
            transition: var(--transition);
        }
        .site-header.scrolled {
            background: rgba(12, 9, 18, 0.96);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.55);
            border-bottom-color: rgba(199, 160, 74, 0.35);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 24px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            letter-spacing: 0.02em;
            color: var(--text-primary);
            flex-shrink: 0;
        }
        .logo-mark {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border: 1px solid var(--border-gold);
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, rgba(199, 160, 74, 0.2), transparent 70%);
            font-size: 18px;
            color: var(--amber);
            flex-shrink: 0;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
            flex: 1;
            justify-content: center;
        }
        .main-nav a {
            font-size: 14px;
            color: var(--text-secondary);
            position: relative;
            padding: 6px 0;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .main-nav a:hover {
            color: var(--amber);
        }
        .main-nav a.active {
            color: var(--amber);
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--amber);
            border-radius: 2px;
            box-shadow: 0 0 12px rgba(224, 184, 92, 0.5);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
        }
        .search-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: 1px solid var(--border-panel);
            color: var(--text-secondary);
            transition: var(--transition);
            background: rgba(21, 16, 33, 0.5);
        }
        .search-btn:hover {
            border-color: var(--border-gold);
            color: var(--amber);
            background: rgba(199, 160, 74, 0.1);
        }
        .btn-primary {
            background: linear-gradient(180deg, #E0B85C, #B8860B);
            color: #0C0912;
            border-radius: var(--radius-pill);
            padding: 12px 26px;
            font-weight: 700;
            font-size: 14px;
            letter-spacing: 0.03em;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: none;
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-primary:hover {
            filter: brightness(1.05);
            box-shadow: 0 0 20px rgba(224, 184, 92, 0.45);
            transform: translateY(-1px);
        }
        .btn-secondary {
            border: 1px solid var(--border-gold);
            color: var(--text-primary);
            background: rgba(199, 160, 74, 0.06);
            border-radius: var(--radius-pill);
            padding: 12px 26px;
            font-weight: 600;
            font-size: 14px;
            letter-spacing: 0.03em;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-secondary:hover {
            background: rgba(199, 160, 74, 0.14);
            color: var(--amber);
            border-color: var(--amber);
            box-shadow: 0 0 16px rgba(199, 160, 74, 0.2);
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 4px;
            z-index: 102;
        }
        .hamburger span {
            display: block;
            width: 26px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: var(--transition);
        }
        .hamburger.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
            background: var(--amber);
        }
        .hamburger.open span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
            background: var(--amber);
        }
        .mobile-drawer {
            display: none;
            position: fixed;
            top: 72px;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(21, 16, 33, 0.98);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            z-index: 99;
            padding: 24px var(--gap-mobile);
            flex-direction: column;
            gap: 8px;
            overflow-y: auto;
            transform: translateX(100%);
            transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .mobile-drawer.open {
            transform: translateX(0);
        }
        .mobile-drawer a {
            font-size: 16px;
            color: var(--text-secondary);
            padding: 14px 4px;
            border-bottom: 1px solid var(--border-panel);
            display: flex;
            align-items: center;
            justify-content: space-between;
            transition: var(--transition);
        }
        .mobile-drawer a:hover,
        .mobile-drawer a.active {
            color: var(--amber);
        }
        .mobile-drawer .btn-primary {
            margin-top: 16px;
            justify-content: center;
            width: 100%;
        }
        /* ========== HERO ========== */
        .hero {
            position: relative;
            min-height: 88vh;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            margin-top: 0;
            padding-top: 72px;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(12, 9, 18, 0.72) 0%, rgba(12, 9, 18, 0.55) 40%, rgba(12, 9, 18, 0.85) 90%, var(--bg-void) 100%);
            z-index: 1;
        }
        .hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(199, 160, 74, 0.08) 0%, transparent 55%);
            z-index: 2;
            pointer-events: none;
        }
        .hero-content {
            position: relative;
            z-index: 3;
            max-width: 820px;
            padding: 80px 0 100px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(199, 160, 74, 0.12);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-pill);
            padding: 6px 16px;
            font-size: 13px;
            color: var(--amber);
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 24px;
        }
        .hero-badge svg {
            width: 16px;
            height: 16px;
            flex-shrink: 0;
        }
        .hero h1 {
            font-family: var(--font-serif);
            font-size: clamp(36px, 5vw, 56px);
            line-height: 1.15;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 20px;
            letter-spacing: 0.01em;
        }
        .hero h1 .highlight {
            color: var(--amber);
            position: relative;
        }
        .hero-subtitle {
            font-size: 18px;
            line-height: 1.8;
            color: var(--text-secondary);
            max-width: 65ch;
            margin-bottom: 36px;
        }
        .hero-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 40px;
        }
        .play-btn-wrap {
            display: flex;
            align-items: center;
            gap: 14px;
            cursor: pointer;
            background: none;
            border: none;
            color: var(--text-primary);
            transition: var(--transition);
        }
        .play-btn-wrap:hover .play-btn-circle {
            border-color: var(--amber);
            box-shadow: 0 0 30px rgba(224, 184, 92, 0.4);
            transform: scale(1.05);
        }
        .play-btn-circle {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 60px;
            height: 60px;
            border-radius: 50%;
            border: 2px solid var(--border-gold);
            background: rgba(12, 9, 18, 0.6);
            backdrop-filter: blur(10px);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .play-btn-circle svg {
            width: 20px;
            height: 20px;
            fill: var(--amber);
            margin-left: 3px;
        }
        .play-label {
            font-size: 14px;
            color: var(--text-secondary);
            letter-spacing: 0.03em;
            font-weight: 500;
        }
        .hero-stats-row {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            border-top: 1px solid var(--border-panel);
            padding-top: 28px;
        }
        .hero-stat {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .hero-stat-value {
            font-family: var(--font-mono);
            font-size: 28px;
            font-weight: 700;
            color: var(--amber);
            letter-spacing: -0.02em;
            font-variant-numeric: tabular-nums;
        }
        .hero-stat-label {
            font-size: 13px;
            color: var(--text-muted);
            letter-spacing: 0.02em;
        }
        /* ========== BREADCRUMB ========== */
        .breadcrumb-wrap {
            padding: 20px 0 0;
            background: var(--bg-void);
            border-bottom: 1px solid var(--border-panel);
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-secondary);
            transition: var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--amber);
        }
        .breadcrumb-sep {
            color: var(--gold);
            font-size: 12px;
        }
        .breadcrumb .current {
            color: var(--amber);
            font-weight: 600;
        }
        /* ========== SECTIONS ========== */
        .section {
            padding: 72px 0;
        }
        .section-sm {
            padding: 48px 0;
        }
        .section-title {
            font-family: var(--font-serif);
            font-size: clamp(28px, 3.5vw, 40px);
            line-height: 1.2;
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--text-primary);
        }
        .section-subtitle {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-secondary);
            max-width: 65ch;
            margin-bottom: 40px;
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--amber);
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 12px;
        }
        .section-label::before {
            content: '';
            width: 24px;
            height: 2px;
            background: var(--gold);
            border-radius: 2px;
        }
        /* ========== INTRO / SUMMARY ========== */
        .intro-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: var(--gap-desktop);
            align-items: start;
        }
        .intro-text p {
            margin-bottom: 1.2em;
            color: var(--text-secondary);
            font-size: 15px;
        }
        .intro-text p:first-of-type {
            color: var(--text-primary);
            font-size: 17px;
        }
        .intro-panel {
            background: var(--bg-panel);
            border: 1px solid var(--border-panel);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-card);
        }
        .intro-panel h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .intro-panel h3 svg {
            width: 20px;
            height: 20px;
            color: var(--amber);
            flex-shrink: 0;
        }
        .intro-metric-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .intro-metric-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--border-panel);
        }
        .intro-metric-item:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }
        .intro-metric-name {
            font-size: 14px;
            color: var(--text-secondary);
        }
        .intro-metric-value {
            font-family: var(--font-mono);
            font-size: 18px;
            font-weight: 700;
            color: var(--amber);
            font-variant-numeric: tabular-nums;
        }
        /* ========== FEATURE MATRIX ========== */
        .matrix-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: var(--gap-tablet);
        }
        .matrix-card {
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--bg-panel);
            border: 1px solid var(--border-panel);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .matrix-card:hover {
            border-color: rgba(199, 160, 74, 0.55);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover), 0 0 0 1px rgba(199, 160, 74, 0.18);
        }
        .matrix-card-image {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            border-bottom: 1px solid var(--border-panel);
        }
        .matrix-card-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .matrix-card-tag {
            display: inline-block;
            background: rgba(93, 62, 143, 0.3);
            border: 1px solid rgba(93, 62, 143, 0.4);
            color: var(--text-secondary);
            font-size: 12px;
            padding: 3px 12px;
            border-radius: var(--radius-pill);
            margin-bottom: 12px;
            letter-spacing: 0.04em;
            width: fit-content;
        }
        .matrix-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
            line-height: 1.35;
        }
        .matrix-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 16px;
            flex: 1;
        }
        .matrix-card-link {
            font-size: 14px;
            color: var(--amber);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }
        .matrix-card-link:hover {
            gap: 10px;
            color: #F0CC6E;
        }
        /* ========== COMPARISON ========== */
        .comparison-panel {
            background: var(--bg-panel);
            border: 1px solid var(--border-panel);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .comparison-header {
            display: grid;
            grid-template-columns: 1.2fr 1fr 1fr 0.8fr;
            padding: 18px 28px;
            background: rgba(93, 62, 143, 0.25);
            border-bottom: 1px solid var(--border-panel);
            font-size: 14px;
            font-weight: 700;
            color: var(--text-secondary);
            letter-spacing: 0.03em;
        }
        .comparison-row {
            display: grid;
            grid-template-columns: 1.2fr 1fr 1fr 0.8fr;
            padding: 16px 28px;
            border-bottom: 1px solid rgba(169, 163, 184, 0.1);
            font-size: 14px;
            align-items: center;
            transition: var(--transition);
        }
        .comparison-row:hover {
            background: rgba(199, 160, 74, 0.04);
        }
        .comparison-row:last-child {
            border-bottom: none;
        }
        .comparison-name {
            color: var(--text-primary);
            font-weight: 600;
        }
        .comparison-baseline {
            color: var(--text-muted);
            font-family: var(--font-mono);
            font-variant-numeric: tabular-nums;
        }
        .comparison-target {
            color: var(--amber);
            font-family: var(--font-mono);
            font-weight: 700;
            font-variant-numeric: tabular-nums;
        }
        .comparison-diff {
            font-family: var(--font-mono);
            font-weight: 700;
            font-variant-numeric: tabular-nums;
            text-align: right;
        }
        .comparison-diff.positive {
            color: var(--emerald);
        }
        .comparison-diff.negative {
            color: var(--danger);
        }
        .comparison-bar-wrap {
            background: rgba(169, 163, 184, 0.1);
            border-radius: 6px;
            height: 8px;
            flex: 1;
            min-width: 60px;
            overflow: hidden;
            margin: 0 12px;
        }
        .comparison-bar {
            height: 100%;
            border-radius: 6px;
            background: linear-gradient(90deg, var(--gold), var(--amber));
            transition: width 0.8s ease;
        }
        .comparison-bar.emerald-bar {
            background: linear-gradient(90deg, var(--emerald), #2DD4A8);
        }
        /* ========== SCENARIOS ========== */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--gap-tablet);
        }
        .scenario-card {
            background: var(--bg-panel);
            border: 1px solid var(--border-panel);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .scenario-card:hover {
            border-color: rgba(199, 160, 74, 0.45);
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .scenario-icon {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: rgba(199, 160, 74, 0.1);
            border: 1px solid var(--border-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .scenario-icon svg {
            width: 20px;
            height: 20px;
            color: var(--amber);
        }
        .scenario-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
        }
        .scenario-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .scenario-tag {
            font-size: 12px;
            color: var(--text-muted);
            background: rgba(169, 163, 184, 0.08);
            padding: 4px 10px;
            border-radius: var(--radius-pill);
            width: fit-content;
            letter-spacing: 0.03em;
        }
        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
            max-width: 800px;
        }
        .faq-item {
            background: var(--bg-panel);
            border: 1px solid var(--border-panel);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item.open {
            background: var(--bg-panel-2);
            border-color: var(--border-gold);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            transition: var(--transition);
            user-select: none;
            width: 100%;
            text-align: left;
        }
        .faq-question:hover {
            color: var(--amber);
        }
        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            border: 1px solid var(--border-panel);
            color: var(--text-secondary);
            transition: var(--transition);
            font-size: 18px;
            line-height: 1;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            color: var(--amber);
            border-color: var(--border-gold);
        }
        .faq-answer {
            padding: 0 22px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.8;
        }
        .faq-item.open .faq-answer {
            padding: 0 22px 18px;
            max-height: 400px;
        }
        /* ========== CTA FORM ========== */
        .cta-section {
            position: relative;
            background: var(--bg-panel);
            border-top: 1px solid var(--border-gold);
            border-bottom: 1px solid var(--border-gold);
            padding: 72px 0;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(ellipse at 70% 30%, rgba(93, 62, 143, 0.15), transparent 60%);
            pointer-events: none;
        }
        .cta-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--gap-desktop);
            align-items: center;
            position: relative;
            z-index: 1;
        }
        .cta-info h2 {
            font-family: var(--font-serif);
            font-size: clamp(26px, 3vw, 36px);
            line-height: 1.25;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .cta-info p {
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 24px;
            font-size: 15px;
        }
        .cta-benefits {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-bottom: 24px;
        }
        .cta-benefit {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: var(--text-secondary);
        }
        .cta-benefit svg {
            width: 18px;
            height: 18px;
            color: var(--emerald);
            flex-shrink: 0;
            margin-top: 3px;
        }
        .form-card {
            background: var(--bg-panel-2);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-xl);
            padding: 32px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
        }
        .form-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .form-card .form-hint {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 24px;
        }
        .form-group {
            margin-bottom: 18px;
        }
        .form-group label {
            display: block;
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 6px;
            font-weight: 500;
        }
        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            background: #0C0912;
            border: 1px solid rgba(169, 163, 184, 0.2);
            border-radius: var(--radius-md);
            padding: 12px 16px;
            color: var(--text-primary);
            font-size: 15px;
            transition: var(--transition);
            resize: vertical;
        }
        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            border-color: var(--amber);
            box-shadow: 0 0 0 3px rgba(199, 160, 74, 0.18);
            outline: none;
        }
        .form-group select {
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23A9A3B8' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 16px center;
            cursor: pointer;
        }
        .form-card .btn-primary {
            width: 100%;
            justify-content: center;
            padding: 14px 28px;
            font-size: 16px;
            margin-top: 8px;
        }
        .form-success {
            display: none;
            text-align: center;
            padding: 20px;
            color: var(--emerald);
            font-weight: 600;
            font-size: 15px;
        }
        .form-success.show {
            display: block;
        }
        /* ========== FOOTER ========== */
        .site-footer {
            background: #0A0711;
            border-top: 1px solid var(--border-gold);
            padding: 48px 0 24px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--gap-desktop);
            margin-bottom: 36px;
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul a {
            font-size: 14px;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .footer-col ul a:hover {
            color: var(--amber);
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            margin-bottom: 14px;
        }
        .footer-logo span {
            color: var(--amber);
        }
        .footer-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.75;
            max-width: 45ch;
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            padding-top: 20px;
            border-top: 1px solid var(--border-panel);
            font-size: 13px;
            color: var(--text-muted);
        }
        .legal-links {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .legal-links a {
            color: var(--text-muted);
            transition: var(--transition);
        }
        .legal-links a:hover {
            color: var(--amber);
        }
        /* ========== MODAL ========== */
        .video-modal {
            display: none;
            position: fixed;
            inset: 0;
            z-index: 200;
            background: rgba(12, 9, 18, 0.92);
            backdrop-filter: blur(12px);
            align-items: center;
            justify-content: center;
            padding: 24px;
        }
        .video-modal.open {
            display: flex;
        }
        .video-modal-content {
            background: var(--bg-panel-2);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-xl);
            padding: 40px 32px;
            max-width: 560px;
            width: 100%;
            text-align: center;
            position: relative;
            box-shadow: 0 30px 80px rgba(0, 0, 0, 0.7);
        }
        .video-modal-close {
            position: absolute;
            top: 16px;
            right: 16px;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            border: 1px solid var(--border-panel);
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            transition: var(--transition);
        }
        .video-modal-close:hover {
            border-color: var(--amber);
            color: var(--amber);
            background: rgba(199, 160, 74, 0.1);
        }
        .video-modal-content h3 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-primary);
        }
        .video-modal-content p {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.8;
            margin-bottom: 24px;
        }
        .video-modal-content .btn-primary {
            margin: 0 auto;
        }
        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .container {
                padding: 0 var(--gap-tablet);
            }
            .main-nav {
                gap: 20px;
            }
            .main-nav a {
                font-size: 13px;
            }
            .matrix-grid {
                grid-template-columns: 1fr 1fr;
            }
            .matrix-card:first-child {
                grid-column: span 2;
            }
            .scenario-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .comparison-header,
            .comparison-row {
                grid-template-columns: 1.2fr 0.8fr 0.8fr 0.6fr;
                padding: 14px 18px;
                font-size: 13px;
            }
            .cta-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-grid {
                grid-template-columns: 1.5fr 1fr 1fr;
                gap: var(--gap-tablet);
            }
            .footer-col:first-child {
                grid-column: span 3;
            }
            .intro-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 var(--gap-mobile);
            }
            .main-nav {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .mobile-drawer {
                display: flex;
            }
            .hero {
                min-height: 80vh;
                padding-top: 60px;
            }
            .hero-content {
                padding: 60px 0 80px;
            }
            .hero h1 {
                font-size: clamp(28px, 6vw, 40px);
            }
            .hero-subtitle {
                font-size: 16px;
            }
            .hero-stats-row {
                gap: 18px;
            }
            .hero-stat-value {
                font-size: 22px;
            }
            .section {
                padding: 48px 0;
            }
            .section-sm {
                padding: 32px 0;
            }
            .matrix-grid {
                grid-template-columns: 1fr;
            }
            .matrix-card:first-child {
                grid-column: span 1;
            }
            .scenario-grid {
                grid-template-columns: 1fr;
            }
            .comparison-header,
            .comparison-row {
                grid-template-columns: 1.4fr 0.8fr 0.8fr 0.5fr;
                padding: 10px 12px;
                font-size: 12px;
            }
            .comparison-bar-wrap {
                display: none;
            }
            .cta-grid {
                gap: 24px;
            }
            .form-card {
                padding: 24px 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--gap-tablet);
            }
            .footer-col:first-child {
                grid-column: span 2;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 10px;
            }
            .legal-links {
                justify-content: center;
            }
            .header-actions .btn-primary {
                padding: 8px 16px;
                font-size: 13px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 12px;
            }
            .hero h1 {
                font-size: 26px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: flex-start;
            }
            .hero-stats-row {
                flex-direction: column;
                gap: 12px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-col:first-child {
                grid-column: span 1;
            }
            .comparison-header,
            .comparison-row {
                grid-template-columns: 1.2fr 0.7fr 0.7fr;
            }
            .comparison-diff {
                grid-column: span 3;
                text-align: left;
                padding-top: 4px;
                border-top: 1px dashed var(--border-panel);
            }
            .breadcrumb {
                font-size: 12px;
                gap: 6px;
            }
        }
        @media (max-width: 375px) {
            .hero h1 {
                font-size: 24px;
            }
            .btn-primary,
            .btn-secondary {
                padding: 10px 18px;
                font-size: 13px;
            }
            .section-title {
                font-size: 24px;
            }
        }

/* roulang page: category3 */
:root {
            --bg-void: #0C0912;
            --bg-panel: #151021;
            --bg-panel-2: #1C1529;
            --gold: #C7A04A;
            --amber: #E0B85C;
            --silver: #A9A3B8;
            --violet: #5D3E8F;
            --emerald: #1FA98C;
            --danger: #C94D4D;
            --text-primary: #F2EFE9;
            --text-secondary: #B9B2C7;
            --text-muted: #7D7689;
            --border-gold: rgba(199, 160, 74, 0.28);
            --border-panel: rgba(169, 163, 184, 0.14);
            --shadow-card: 0 16px 40px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 18px 50px rgba(0, 0, 0, 0.5);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-pill: 999px;
            --font-sans: 'Noto Sans SC', 'Source Han Sans SC', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-serif: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', 'SimSun', serif;
            --font-mono: 'JetBrains Mono', 'SF Mono', 'Cascadia Code', 'Consolas', monospace;
            --container-max: 1280px;
            --gap-desktop: 32px;
            --gap-tablet: 20px;
            --gap-mobile: 16px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-primary);
            background-color: var(--bg-void);
            overflow-x: hidden;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }
        button {
            cursor: pointer;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 3px solid rgba(199, 160, 74, 0.18);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--gap-desktop);
        }
        @media (max-width: 1024px) {
            .container {
                padding: 0 var(--gap-tablet);
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 var(--gap-mobile);
            }
        }
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(12, 9, 18, 0.55);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-gold);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
            transition: var(--transition);
        }
        .site-header.scrolled {
            background: rgba(12, 9, 18, 0.96);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.55);
            border-bottom-color: rgba(199, 160, 74, 0.35);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 24px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            letter-spacing: 0.02em;
            color: var(--text-primary);
            flex-shrink: 0;
        }
        .logo-mark {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border: 1px solid var(--border-gold);
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, rgba(199, 160, 74, 0.2), transparent 70%);
            font-size: 18px;
            color: var(--amber);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 30px;
            flex: 1;
            justify-content: center;
        }
        .main-nav a {
            font-size: 14px;
            color: var(--text-secondary);
            position: relative;
            padding: 6px 0;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .main-nav a:hover {
            color: var(--amber);
        }
        .main-nav a.active {
            color: var(--amber);
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--amber);
            border-radius: 2px;
            box-shadow: 0 0 12px rgba(224, 184, 92, 0.5);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
        }
        .search-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: 1px solid var(--border-panel);
            color: var(--text-secondary);
            transition: var(--transition);
            background: rgba(21, 16, 33, 0.5);
        }
        .search-btn:hover {
            border-color: var(--border-gold);
            color: var(--amber);
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-pill);
            font-weight: 600;
            font-size: 14px;
            letter-spacing: 0.02em;
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn-primary {
            background: linear-gradient(180deg, #E0B85C, #B8860B);
            color: #0C0912;
        }
        .btn-primary:hover {
            filter: brightness(1.05);
            box-shadow: 0 0 20px rgba(224, 184, 92, 0.45);
            transform: translateY(-1px);
        }
        .btn-outline {
            border: 1px solid var(--border-gold);
            color: var(--text-primary);
            background: rgba(199, 160, 74, 0.06);
        }
        .btn-outline:hover {
            background: rgba(199, 160, 74, 0.14);
            box-shadow: 0 0 16px rgba(199, 160, 74, 0.2);
            transform: translateY(-1px);
        }
        .btn-sm {
            padding: 8px 16px;
            font-size: 13px;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 40px;
            height: 40px;
            border: 1px solid var(--border-panel);
            border-radius: var(--radius-sm);
            align-items: center;
            justify-content: center;
            background: rgba(21, 16, 33, 0.5);
            color: var(--text-secondary);
        }
        .hamburger span {
            display: block;
            width: 18px;
            height: 2px;
            background: currentColor;
            border-radius: 2px;
        }
        .mobile-drawer {
            display: none;
            position: fixed;
            top: 72px;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(21, 16, 33, 0.95);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            z-index: 99;
            padding: 24px var(--gap-mobile);
            flex-direction: column;
            gap: 4px;
            overflow-y: auto;
        }
        .mobile-drawer.open {
            display: flex;
        }
        .mobile-drawer a {
            display: block;
            padding: 14px 0;
            font-size: 16px;
            color: var(--text-secondary);
            border-bottom: 1px solid var(--border-panel);
        }
        .mobile-drawer a.active {
            color: var(--amber);
        }
        .mobile-drawer .btn {
            margin-top: 16px;
            width: 100%;
        }
        @media (max-width: 768px) {
            .main-nav {
                display: none;
            }
            .hamburger {
                display: flex;
            }
        }
        @media (max-width: 520px) {
            .header-inner {
                height: 64px;
            }
            .header-actions .btn {
                display: none;
            }
            .logo {
                font-size: 18px;
            }
            .mobile-drawer {
                top: 64px;
            }
        }
        .page-hero {
            position: relative;
            min-height: 480px;
            display: flex;
            align-items: flex-end;
            padding: 140px 0 60px;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(12, 9, 18, 0.75) 0%, rgba(12, 9, 18, 0.55) 40%, var(--bg-void) 100%);
            pointer-events: none;
        }
        .page-hero .container {
            position: relative;
            z-index: 1;
            width: 100%;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 20px;
        }
        .breadcrumb a {
            color: var(--text-secondary);
            transition: var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--amber);
        }
        .breadcrumb .sep {
            color: var(--gold);
            font-size: 10px;
        }
        .breadcrumb .current {
            color: var(--amber);
            font-weight: 600;
        }
        .page-hero h1 {
            font-family: var(--font-serif);
            font-size: 46px;
            line-height: 1.2;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: 0.01em;
        }
        .page-hero .hero-sub {
            font-size: 18px;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.8;
            margin-bottom: 24px;
        }
        .hero-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 24px;
        }
        .hero-badges .badge {
            padding: 6px 14px;
            background: rgba(199, 160, 74, 0.12);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-pill);
            font-size: 13px;
            color: var(--amber);
            letter-spacing: 0.02em;
        }
        .section {
            padding: 72px 0;
        }
        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.08em;
            color: var(--amber);
            text-transform: uppercase;
            margin-bottom: 12px;
        }
        .section-title {
            font-family: var(--font-serif);
            font-size: 34px;
            line-height: 1.25;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
        }
        .section-desc {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.8;
            margin-bottom: 40px;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-bottom: 48px;
        }
        .stat-card {
            background: var(--bg-panel);
            border: 1px solid var(--border-panel);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
        }
        .stat-card:hover {
            border-color: rgba(199, 160, 74, 0.4);
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }
        .stat-card .stat-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 8px;
            letter-spacing: 0.04em;
        }
        .stat-card .stat-value {
            font-family: var(--font-mono);
            font-size: 32px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.2;
            font-variant-numeric: tabular-nums;
        }
        .stat-card .stat-trend {
            display: flex;
            align-items: center;
            gap: 6px;
            margin-top: 8px;
            font-size: 13px;
        }
        .stat-trend.up {
            color: var(--emerald);
        }
        .stat-trend.down {
            color: var(--danger);
        }
        .service-matrix-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            grid-template-rows: auto auto;
            gap: 20px;
            margin-bottom: 48px;
        }
        .service-card {
            background: var(--bg-panel);
            border: 1px solid var(--border-panel);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .service-card:hover {
            border-color: rgba(199, 160, 74, 0.55);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover), 0 0 0 1px rgba(199, 160, 74, 0.18);
        }
        .service-card .card-img {
            aspect-ratio: 16/10;
            overflow: hidden;
            border-bottom: 1px solid var(--border-panel);
            position: relative;
        }
        .service-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .service-card:hover .card-img img {
            transform: scale(1.03);
        }
        .service-card .card-body {
            padding: 20px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .service-card .card-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.04em;
            color: var(--amber);
            background: rgba(199, 160, 74, 0.1);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-pill);
            padding: 3px 10px;
            margin-bottom: 10px;
            align-self: flex-start;
        }
        .service-card h3 {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .service-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            flex: 1;
        }
        .service-card .card-meta {
            display: flex;
            gap: 12px;
            margin-top: 12px;
            font-size: 12px;
            color: var(--text-muted);
        }
        .service-card.large {
            grid-column: 1 / 2;
            grid-row: 1 / 3;
        }
        .service-card.large .card-img {
            aspect-ratio: 16/11;
        }
        .service-card.large .card-body {
            padding: 24px 28px;
        }
        .service-card.large h3 {
            font-size: 22px;
        }
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-matrix-grid {
                grid-template-columns: 1fr 1fr;
            }
            .service-card.large {
                grid-column: 1 / 2;
                grid-row: auto;
            }
        }
        @media (max-width: 640px) {
            .page-hero {
                min-height: 400px;
                padding: 110px 0 40px;
            }
            .page-hero h1 {
                font-size: 32px;
            }
            .page-hero .hero-sub {
                font-size: 16px;
            }
            .section {
                padding: 48px 0;
            }
            .section-title {
                font-size: 26px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-card .stat-value {
                font-size: 24px;
            }
            .service-matrix-grid {
                grid-template-columns: 1fr;
            }
            .service-card.large {
                grid-column: auto;
            }
        }
        .scenario-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-bottom: 48px;
        }
        .scenario-item {
            background: var(--bg-panel);
            border: 1px solid var(--border-panel);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
        }
        .scenario-item:hover {
            border-color: rgba(199, 160, 74, 0.4);
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }
        .scenario-item .scenario-icon {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-md);
            background: rgba(93, 62, 143, 0.2);
            border: 1px solid rgba(93, 62, 143, 0.35);
            color: var(--amber);
            font-size: 20px;
            margin-bottom: 14px;
        }
        .scenario-item h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .scenario-item p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        @media (max-width: 1024px) {
            .scenario-list {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .scenario-list {
                grid-template-columns: 1fr;
            }
        }
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-bottom: 48px;
            counter-reset: step;
        }
        .step-item {
            position: relative;
            padding: 0 16px;
            text-align: center;
        }
        .step-item::before {
            counter-increment: step;
            content: counter(step);
            display: flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            margin: 0 auto 14px;
            border-radius: 50%;
            background: rgba(199, 160, 74, 0.1);
            border: 1px solid var(--border-gold);
            font-family: var(--font-mono);
            font-size: 18px;
            font-weight: 700;
            color: var(--amber);
        }
        .step-item h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .step-item p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
        }
        @media (max-width: 768px) {
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }
        @media (max-width: 520px) {
            .process-steps {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }
        .compare-panel {
            background: var(--bg-panel);
            border: 1px solid var(--border-panel);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            margin-bottom: 48px;
        }
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 14px;
        }
        .compare-table th {
            background: rgba(93, 62, 143, 0.25);
            color: var(--text-secondary);
            font-weight: 600;
            font-size: 13px;
            text-align: left;
            padding: 14px 20px;
            border-bottom: 1px solid var(--border-panel);
            letter-spacing: 0.04em;
        }
        .compare-table td {
            padding: 16px 20px;
            border-bottom: 1px solid rgba(169, 163, 184, 0.1);
            color: var(--text-secondary);
        }
        .compare-table tr:last-child td {
            border-bottom: none;
        }
        .compare-table .compare-label {
            color: var(--text-primary);
            font-weight: 600;
        }
        .compare-table .diff-up {
            color: var(--emerald);
            font-weight: 600;
            font-variant-numeric: tabular-nums;
        }
        .compare-table .diff-down {
            color: var(--danger);
            font-weight: 600;
            font-variant-numeric: tabular-nums;
        }
        .compare-table .bar-cell {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .compare-table .bar-track {
            flex: 1;
            height: 6px;
            background: rgba(169, 163, 184, 0.12);
            border-radius: 3px;
            overflow: hidden;
        }
        .compare-table .bar-fill {
            height: 100%;
            border-radius: 3px;
            transition: var(--transition);
        }
        .bar-fill.gold {
            background: linear-gradient(90deg, var(--gold), var(--amber));
        }
        .bar-fill.emerald {
            background: linear-gradient(90deg, var(--emerald), #4CC9B0);
        }
        @media (max-width: 640px) {
            .compare-table th,
            .compare-table td {
                padding: 10px 12px;
                font-size: 12px;
            }
            .compare-table .bar-cell {
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
            }
            .compare-table .bar-track {
                width: 100%;
            }
        }
        .faq-wrap {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-panel);
            border: 1px solid var(--border-panel);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(199, 160, 74, 0.3);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 16px 20px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            transition: var(--transition);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(199, 160, 74, 0.1);
            border: 1px solid var(--border-panel);
            color: var(--amber);
            font-size: 18px;
            transition: var(--transition);
        }
        .faq-item.open {
            background: var(--bg-panel-2);
            border-color: var(--border-gold);
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            border-color: var(--border-gold);
            background: rgba(199, 160, 74, 0.18);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.3s ease;
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.8;
            padding: 0 20px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }
        .cta-section {
            background: var(--bg-panel);
            border-top: 1px solid var(--border-gold);
            border-bottom: 1px solid var(--border-gold);
            padding: 72px 0;
        }
        .cta-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .cta-info h3 {
            font-family: var(--font-serif);
            font-size: 28px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
        }
        .cta-info p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 20px;
        }
        .cta-benefits {
            list-style: none;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .cta-benefits li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        .cta-benefits li::before {
            content: '◆';
            color: var(--amber);
            font-size: 10px;
            flex-shrink: 0;
            margin-top: 5px;
        }
        .cta-form-card {
            background: var(--bg-panel-2);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-xl);
            padding: 32px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
        }
        .cta-form-card h4 {
            font-size: 19px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 20px;
        }
        .form-group {
            margin-bottom: 16px;
        }
        .form-group label {
            display: block;
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 6px;
            letter-spacing: 0.03em;
        }
        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            background: #0C0912;
            border: 1px solid rgba(169, 163, 184, 0.2);
            border-radius: var(--radius-md);
            padding: 12px 16px;
            color: var(--text-primary);
            font-size: 14px;
            transition: var(--transition);
        }
        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            border-color: var(--amber);
            box-shadow: 0 0 0 3px rgba(199, 160, 74, 0.18);
        }
        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }
        .form-group .error-msg {
            display: none;
            font-size: 12px;
            color: var(--danger);
            margin-top: 4px;
        }
        .form-group.error input,
        .form-group.error textarea {
            border-color: var(--danger);
            box-shadow: 0 0 0 3px rgba(201, 77, 77, 0.18);
        }
        .form-group.error .error-msg {
            display: block;
        }
        .form-success {
            display: none;
            background: rgba(31, 169, 140, 0.12);
            border: 1px solid var(--emerald);
            border-radius: var(--radius-md);
            padding: 12px 16px;
            color: var(--emerald);
            font-size: 14px;
            text-align: center;
            margin-top: 12px;
        }
        .form-success.visible {
            display: block;
        }
        @media (max-width: 768px) {
            .cta-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }
        .site-footer {
            background: #0A0711;
            border-top: 1px solid var(--border-gold);
            padding: 48px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 18px;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .footer-logo span {
            color: var(--amber);
        }
        .footer-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.8;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul a {
            font-size: 13px;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .footer-col ul a:hover {
            color: var(--amber);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 20px;
            border-top: 1px solid var(--border-panel);
            font-size: 12px;
            color: var(--text-muted);
            flex-wrap: wrap;
            gap: 12px;
        }
        .legal-links {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }
        .legal-links a {
            color: var(--text-muted);
            transition: var(--transition);
        }
        .legal-links a:hover {
            color: var(--amber);
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .legal-links {
                justify-content: center;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

/* roulang page: category4 */
:root {
            --bg-void: #0C0912;
            --bg-panel: #151021;
            --bg-panel-2: #1C1529;
            --gold: #C7A04A;
            --amber: #E0B85C;
            --silver: #A9A3B8;
            --violet: #5D3E8F;
            --emerald: #1FA98C;
            --danger: #C94D4D;
            --text-primary: #F2EFE9;
            --text-secondary: #B9B2C7;
            --text-muted: #7D7689;
            --border-gold: rgba(199, 160, 74, 0.28);
            --border-panel: rgba(169, 163, 184, 0.14);
            --shadow-card: 0 16px 40px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 18px 50px rgba(0, 0, 0, 0.5);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-pill: 999px;
            --font-sans: 'Noto Sans SC', 'Source Han Sans SC', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-serif: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', 'SimSun', serif;
            --font-mono: 'JetBrains Mono', 'SF Mono', 'Cascadia Code', 'Consolas', monospace;
            --container-max: 1280px;
            --gap-desktop: 32px;
            --gap-tablet: 20px;
            --gap-mobile: 16px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-primary);
            background-color: var(--bg-void);
            overflow-x: hidden;
            margin: 0;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }
        button {
            cursor: pointer;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 3px solid rgba(199, 160, 74, 0.18);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--gap-desktop);
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 var(--gap-mobile);
            }
        }
        /* ========== HEADER / NAV ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(12, 9, 18, 0.55);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-gold);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
            transition: var(--transition);
        }
        .site-header.scrolled {
            background: rgba(12, 9, 18, 0.96);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.55);
            border-bottom-color: rgba(199, 160, 74, 0.35);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 24px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            letter-spacing: 0.02em;
            color: var(--text-primary);
            flex-shrink: 0;
            white-space: nowrap;
        }
        .logo-mark {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border: 1px solid var(--border-gold);
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, rgba(199, 160, 74, 0.2), transparent 70%);
            font-size: 18px;
            color: var(--amber);
            flex-shrink: 0;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 30px;
            flex: 1;
            justify-content: center;
        }
        .main-nav a {
            font-size: 14px;
            color: var(--text-secondary);
            position: relative;
            padding: 6px 0;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .main-nav a:hover {
            color: var(--amber);
        }
        .main-nav a.active {
            color: var(--amber);
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--amber);
            border-radius: 2px;
            box-shadow: 0 0 12px rgba(224, 184, 92, 0.5);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
        }
        .search-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: 1px solid var(--border-panel);
            color: var(--text-secondary);
            transition: var(--transition);
            background: rgba(21, 16, 33, 0.5);
            flex-shrink: 0;
        }
        .search-btn:hover {
            border-color: var(--border-gold);
            color: var(--amber);
            background: rgba(199, 160, 74, 0.08);
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: linear-gradient(180deg, #E0B85C, #B8860B);
            color: #0C0912;
            border-radius: var(--radius-pill);
            padding: 12px 24px;
            font-weight: 700;
            font-size: 14px;
            transition: var(--transition);
            white-space: nowrap;
            letter-spacing: 0.01em;
        }
        .btn-primary:hover {
            filter: brightness(1.05);
            box-shadow: 0 0 20px rgba(224, 184, 92, 0.45);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border: 1px solid var(--border-gold);
            color: var(--text-primary);
            background: rgba(199, 160, 74, 0.06);
            border-radius: var(--radius-pill);
            padding: 12px 24px;
            font-weight: 500;
            font-size: 14px;
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn-secondary:hover {
            background: rgba(199, 160, 74, 0.14);
            box-shadow: 0 0 16px rgba(199, 160, 74, 0.2);
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            padding: 4px;
            cursor: pointer;
        }
        .hamburger span {
            display: block;
            width: 26px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: var(--transition);
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: 72px;
            left: 0;
            right: 0;
            background: #151021f2;
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-panel);
            padding: 20px var(--gap-mobile);
            z-index: 99;
            flex-direction: column;
            gap: 8px;
            max-height: calc(100vh - 72px);
            overflow-y: auto;
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu a {
            font-size: 16px;
            color: var(--text-secondary);
            padding: 12px 0;
            border-bottom: 1px solid var(--border-panel);
            transition: var(--transition);
        }
        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--amber);
        }
        .mobile-menu .btn-primary {
            margin-top: 12px;
            width: 100%;
        }
        @media (max-width: 1024px) {
            .main-nav {
                gap: 20px;
            }
            .main-nav a {
                font-size: 13px;
            }
        }
        @media (max-width: 768px) {
            .main-nav {
                display: none;
            }
            .header-actions .btn-primary {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .header-inner {
                height: 64px;
            }
            .mobile-menu {
                top: 64px;
            }
        }
        @media (min-width: 769px) {
            .mobile-menu {
                display: none !important;
            }
        }
        /* ========== HERO BANNER ========== */
        .page-hero {
            position: relative;
            padding: 160px 0 80px;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(12, 9, 18, 0.78) 0%, rgba(12, 9, 18, 0.88) 55%, var(--bg-void) 100%);
            z-index: 1;
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 28px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-secondary);
            transition: var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--amber);
        }
        .breadcrumb .sep {
            color: var(--gold);
            font-size: 10px;
        }
        .breadcrumb .current {
            color: var(--amber);
            font-weight: 500;
        }
        .page-hero h1 {
            font-family: var(--font-serif);
            font-size: clamp(32px, 4.8vw, 52px);
            line-height: 1.18;
            font-weight: 700;
            margin-bottom: 20px;
            max-width: 900px;
            color: var(--text-primary);
        }
        .page-hero .hero-sub {
            font-size: 18px;
            line-height: 1.8;
            color: var(--text-secondary);
            max-width: 720px;
            margin-bottom: 28px;
        }
        .hero-stats-row {
            display: flex;
            gap: 40px;
            flex-wrap: wrap;
            margin-top: 32px;
        }
        .hero-stat {
            text-align: left;
        }
        .hero-stat .stat-num {
            font-family: var(--font-mono);
            font-size: 32px;
            font-weight: 700;
            color: var(--amber);
            display: block;
            letter-spacing: 0.02em;
        }
        .hero-stat .stat-label {
            font-size: 13px;
            color: var(--text-muted);
            letter-spacing: 0.04em;
            margin-top: 4px;
            display: block;
        }
        @media (max-width: 768px) {
            .page-hero {
                padding: 120px 0 56px;
            }
            .page-hero h1 {
                font-size: 28px;
            }
            .page-hero .hero-sub {
                font-size: 16px;
            }
            .hero-stats-row {
                gap: 20px;
            }
            .hero-stat .stat-num {
                font-size: 24px;
            }
        }
        /* ========== SECTION SHARED ========== */
        section {
            padding: 72px 0;
        }
        .section-label {
            display: inline-block;
            font-size: 12px;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--amber);
            border: 1px solid var(--border-gold);
            background: rgba(199, 160, 74, 0.08);
            border-radius: var(--radius-pill);
            padding: 5px 14px;
            margin-bottom: 16px;
            font-weight: 500;
        }
        .section-title {
            font-family: var(--font-serif);
            font-size: clamp(26px, 3.2vw, 38px);
            line-height: 1.25;
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--text-primary);
        }
        .section-lead {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-secondary);
            max-width: 680px;
            margin-bottom: 40px;
        }
        @media (max-width: 768px) {
            section {
                padding: 48px 0;
            }
            .section-title {
                font-size: 24px;
            }
            .section-lead {
                font-size: 15px;
            }
        }
        /* ========== ASYMMETRIC MATRIX ========== */
        .matrix-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 24px;
            margin-bottom: 24px;
        }
        .matrix-card {
            background: var(--bg-panel);
            border: 1px solid var(--border-panel);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: var(--transition);
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
        }
        .matrix-card:hover {
            border-color: rgba(199, 160, 74, 0.55);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover), 0 0 0 1px rgba(199, 160, 74, 0.18);
        }
        .matrix-card .card-img {
            width: 100%;
            height: 240px;
            overflow: hidden;
            flex-shrink: 0;
        }
        .matrix-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .matrix-card:hover .card-img img {
            transform: scale(1.04);
        }
        .matrix-card .card-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .matrix-card .card-tag {
            display: inline-block;
            font-size: 11px;
            letter-spacing: 0.08em;
            color: var(--amber);
            border: 1px solid var(--border-gold);
            background: rgba(199, 160, 74, 0.1);
            border-radius: var(--radius-pill);
            padding: 3px 12px;
            margin-bottom: 12px;
            align-self: flex-start;
            font-weight: 500;
        }
        .matrix-card h3 {
            font-family: var(--font-serif);
            font-size: 22px;
            line-height: 1.35;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-primary);
        }
        .matrix-card p {
            font-size: 14px;
            line-height: 1.75;
            color: var(--text-secondary);
            margin-bottom: 16px;
            flex: 1;
        }
        .matrix-card .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: var(--text-muted);
            font-family: var(--font-mono);
        }
        .matrix-card .card-meta .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--emerald);
        }
        .matrix-row-2 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .matrix-row-2 .matrix-card .card-img {
            height: 180px;
        }
        @media (max-width: 1024px) {
            .matrix-grid {
                grid-template-columns: 1fr;
            }
            .matrix-row-2 {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 768px) {
            .matrix-card .card-img {
                height: 200px;
            }
            .matrix-row-2 .matrix-card .card-img {
                height: 160px;
            }
        }
        /* ========== HORIZONTAL LIST ========== */
        .h-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            border: 1px solid var(--border-panel);
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--bg-panel);
        }
        .h-list-item {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 18px 24px;
            border-bottom: 1px solid rgba(169, 163, 184, 0.1);
            transition: var(--transition);
        }
        .h-list-item:last-child {
            border-bottom: none;
        }
        .h-list-item:hover {
            background: var(--bg-panel-2);
            border-left: 3px solid var(--gold);
            padding-left: 21px;
        }
        .h-list-item .num {
            font-family: var(--font-mono);
            font-size: 14px;
            color: var(--gold);
            font-weight: 700;
            width: 28px;
            flex-shrink: 0;
        }
        .h-list-item .content {
            flex: 1;
        }
        .h-list-item h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 4px;
        }
        .h-list-item p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }
        .h-list-item .badge {
            font-family: var(--font-mono);
            font-size: 12px;
            color: var(--emerald);
            border: 1px solid rgba(31, 169, 140, 0.3);
            background: rgba(31, 169, 140, 0.08);
            border-radius: var(--radius-pill);
            padding: 4px 12px;
            white-space: nowrap;
            flex-shrink: 0;
        }
        @media (max-width: 768px) {
            .h-list-item {
                flex-wrap: wrap;
                gap: 12px;
            }
            .h-list-item .badge {
                width: 100%;
                text-align: center;
            }
        }
        /* ========== DATA COMPARISON TABLE ========== */
        .data-table-wrap {
            background: var(--bg-panel);
            border: 1px solid var(--border-panel);
            border-radius: var(--radius-lg);
            overflow-x: auto;
            box-shadow: var(--shadow-card);
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 600px;
        }
        .data-table thead th {
            font-family: var(--font-mono);
            font-size: 13px;
            color: var(--silver);
            padding: 16px 20px;
            text-align: left;
            border-bottom: 1px solid var(--border-panel);
            background: rgba(93, 62, 143, 0.15);
            font-weight: 600;
            letter-spacing: 0.04em;
            white-space: nowrap;
        }
        .data-table tbody td {
            font-size: 14px;
            color: var(--text-secondary);
            padding: 14px 20px;
            border-bottom: 1px solid rgba(169, 163, 184, 0.1);
            white-space: nowrap;
        }
        .data-table tbody tr {
            transition: var(--transition);
        }
        .data-table tbody tr:hover {
            background: rgba(199, 160, 74, 0.05);
        }
        .data-table tbody tr:nth-child(even) {
            background: rgba(28, 21, 41, 0.5);
        }
        .data-table tbody tr:nth-child(even):hover {
            background: rgba(199, 160, 74, 0.07);
        }
        .data-table .mono {
            font-family: var(--font-mono);
            font-size: 13px;
            letter-spacing: 0.02em;
        }
        .data-table .positive {
            color: var(--emerald);
            font-weight: 600;
        }
        .data-table .negative {
            color: var(--danger);
            font-weight: 600;
        }
        .data-table .gold-bar {
            display: inline-block;
            height: 6px;
            border-radius: 3px;
            background: linear-gradient(90deg, var(--gold), var(--amber));
            min-width: 40px;
        }
        .data-table .emerald-bar {
            display: inline-block;
            height: 6px;
            border-radius: 3px;
            background: linear-gradient(90deg, var(--emerald), #4DD4B0);
            min-width: 40px;
        }
        /* ========== SCENARIO CARDS ========== */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .scenario-card {
            background: var(--bg-panel);
            border: 1px solid var(--border-panel);
            border-radius: var(--radius-lg);
            padding: 28px;
            transition: var(--transition);
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .scenario-card:hover {
            border-color: rgba(199, 160, 74, 0.55);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover), 0 0 0 1px rgba(199, 160, 74, 0.18);
        }
        .scenario-card .icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-gold);
            background: rgba(199, 160, 74, 0.08);
            font-size: 22px;
            color: var(--amber);
            flex-shrink: 0;
        }
        .scenario-card h4 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.02em;
        }
        .scenario-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            flex: 1;
        }
        .scenario-card .stat-line {
            font-family: var(--font-mono);
            font-size: 13px;
            color: var(--emerald);
            border-top: 1px solid var(--border-panel);
            padding-top: 12px;
            font-weight: 600;
        }
        @media (max-width: 1024px) {
            .scenario-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .scenario-grid {
                grid-template-columns: 1fr;
            }
        }
        /* ========== FAQ ========== */
        .faq-list {
            max-width: 900px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-panel);
            border: 1px solid var(--border-panel);
            border-radius: var(--radius-md);
            transition: var(--transition);
            overflow: hidden;
        }
        .faq-item.active {
            background: var(--bg-panel-2);
            border-color: var(--border-gold);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 20px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
        }
        .faq-question:hover {
            color: var(--amber);
        }
        .faq-question .plus {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1px solid var(--border-gold);
            font-size: 18px;
            color: var(--amber);
            flex-shrink: 0;
            transition: var(--transition);
        }
        .faq-item.active .plus {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s ease;
            padding: 0 20px;
            color: var(--text-secondary);
            line-height: 1.8;
            font-size: 14px;
        }
        .faq-item.active .faq-answer {
            max-height: 400px;
            padding: 0 20px 20px;
        }
        @media (max-width: 768px) {
            .faq-question {
                font-size: 14px;
                padding: 14px 16px;
            }
            .faq-answer {
                font-size: 13px;
                padding: 0 16px;
            }
            .faq-item.active .faq-answer {
                padding: 0 16px 16px;
            }
        }
        /* ========== CTA FORM ========== */
        .cta-section {
            padding: 72px 0;
        }
        .cta-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: start;
        }
        .cta-info h2 {
            font-family: var(--font-serif);
            font-size: clamp(24px, 2.8vw, 34px);
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 16px;
            color: var(--text-primary);
        }
        .cta-info p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 24px;
        }
        .cta-benefits {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .cta-benefit {
            display: flex;
            align-items: flex-start;
            gap: 12px;
        }
        .cta-benefit .check {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            border: 1px solid var(--emerald);
            background: rgba(31, 169, 140, 0.1);
            color: var(--emerald);
            font-size: 13px;
            flex-shrink: 0;
            margin-top: 2px;
        }
        .cta-benefit span {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .form-card {
            background: var(--bg-panel-2);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-xl);
            padding: 32px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
        }
        .form-card h3 {
            font-family: var(--font-serif);
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
        }
        .form-card .form-desc {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 24px;
        }
        .form-group {
            margin-bottom: 16px;
        }
        .form-group label {
            display: block;
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 6px;
            font-weight: 500;
        }
        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            background: #0C0912;
            border: 1px solid rgba(169, 163, 184, 0.2);
            border-radius: var(--radius-md);
            padding: 12px 16px;
            color: var(--text-primary);
            font-size: 14px;
            transition: var(--transition);
        }
        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            border-color: var(--amber);
            box-shadow: 0 0 0 3px rgba(199, 160, 74, 0.18);
        }
        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }
        .form-group .error-msg {
            font-size: 12px;
            color: var(--danger);
            margin-top: 6px;
            display: none;
        }
        .form-group.error input,
        .form-group.error textarea {
            border-color: var(--danger);
            box-shadow: 0 0 0 3px rgba(201, 77, 77, 0.18);
        }
        .form-group.error .error-msg {
            display: block;
        }
        .form-success {
            display: none;
            background: rgba(31, 169, 140, 0.1);
            border: 1px solid var(--emerald);
            border-radius: var(--radius-md);
            padding: 16px;
            text-align: center;
            color: var(--emerald);
            font-size: 14px;
            margin-top: 16px;
        }
        .form-success.show {
            display: block;
        }
        .form-card .btn-primary {
            width: 100%;
            padding: 14px;
            font-size: 16px;
            margin-top: 8px;
        }
        @media (max-width: 1024px) {
            .cta-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 768px) {
            .form-card {
                padding: 20px;
            }
        }
        /* ========== FILTER TABS ========== */
        .filter-bar {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            padding: 14px 0;
            border-bottom: 1px solid var(--border-panel);
            margin-bottom: 32px;
            background: rgba(15, 12, 22, 0.82);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-radius: var(--radius-md);
            padding: 14px 16px;
            position: sticky;
            top: 72px;
            z-index: 40;
        }
        .filter-tab {
            font-size: 13px;
            color: var(--text-secondary);
            border: 1px solid var(--border-panel);
            border-radius: var(--radius-pill);
            padding: 7px 16px;
            transition: var(--transition);
            cursor: pointer;
            white-space: nowrap;
        }
        .filter-tab:hover {
            border-color: var(--border-gold);
            color: var(--amber);
        }
        .filter-tab.active {
            background: rgba(199, 160, 74, 0.16);
            border-color: var(--border-gold);
            color: var(--amber);
            font-weight: 600;
        }
        /* ========== PAGINATION ========== */
        .pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            margin-top: 40px;
        }
        .pagination .page-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            min-width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-panel);
            color: var(--text-secondary);
            font-size: 14px;
            transition: var(--transition);
            background: var(--bg-panel);
        }
        .pagination .page-btn:hover {
            border-color: var(--border-gold);
            color: var(--amber);
        }
        .pagination .page-btn.current {
            background: linear-gradient(180deg, #E0B85C, #B8860B);
            color: #0C0912;
            border-color: transparent;
            font-weight: 700;
        }
        @media (max-width: 640px) {
            .pagination .page-btn:not(.prev):not(.next):not(.current) {
                display: none;
            }
        }
        /* ========== FOOTER ========== */
        .site-footer {
            background: #0A0711;
            border-top: 1px solid var(--border-gold);
            padding: 60px 0 32px;
            margin-top: 40px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: var(--text-primary);
            margin-bottom: 16px;
        }
        .footer-logo span {
            color: var(--amber);
            font-size: 18px;
        }
        .footer-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.75;
            max-width: 400px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: 0.04em;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col ul a {
            font-size: 13px;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .footer-col ul a:hover {
            color: var(--amber);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            padding-top: 24px;
            border-top: 1px solid var(--border-panel);
            font-size: 12px;
            color: var(--text-muted);
        }
        .legal-links {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }
        .legal-links a {
            color: var(--text-muted);
        }
        .legal-links a:hover {
            color: var(--amber);
        }
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }
        /* ========== UTILITY ========== */
        .text-gold {
            color: var(--amber);
        }
        .mono {
            font-family: var(--font-mono);
            font-size: 0.9em;
            letter-spacing: 0.02em;
        }
        .mt-32 {
            margin-top: 32px;
        }
        .mb-32 {
            margin-bottom: 32px;
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

/* roulang page: category5 */
:root {
            --bg-void: #0C0912;
            --bg-panel: #151021;
            --bg-panel-2: #1C1529;
            --gold: #C7A04A;
            --amber: #E0B85C;
            --silver: #A9A3B8;
            --violet: #5D3E8F;
            --emerald: #1FA98C;
            --danger: #C94D4D;
            --text-primary: #F2EFE9;
            --text-secondary: #B9B2C7;
            --text-muted: #7D7689;
            --border-gold: rgba(199, 160, 74, 0.28);
            --border-panel: rgba(169, 163, 184, 0.14);
            --bg-glass: rgba(12, 9, 18, 0.72);
            --shadow-card: 0 16px 40px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 18px 50px rgba(0, 0, 0, 0.5);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-pill: 999px;
            --font-sans: 'Noto Sans SC', 'Source Han Sans SC', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-serif: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', 'SimSun', serif;
            --font-mono: 'JetBrains Mono', 'SF Mono', 'Cascadia Code', 'Consolas', monospace;
            --container-max: 1280px;
            --gap-desktop: 32px;
            --gap-tablet: 20px;
            --gap-mobile: 16px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-primary);
            background-color: var(--bg-void);
            overflow-x: hidden;
            min-height: 100vh;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 3px solid rgba(199, 160, 74, 0.18);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--gap-tablet);
        }

        @media (min-width: 1024px) {
            .container {
                padding: 0 var(--gap-desktop);
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 12px;
            }
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(12, 9, 18, 0.55);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-gold);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
            transition: var(--transition);
        }

        .site-header.scrolled {
            background: rgba(12, 9, 18, 0.96);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.55);
            border-bottom-color: rgba(199, 160, 74, 0.35);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 24px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            letter-spacing: 0.02em;
            color: var(--text-primary);
            flex-shrink: 0;
        }

        .logo-mark {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border: 1px solid var(--border-gold);
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, rgba(199, 160, 74, 0.2), transparent 70%);
            font-size: 18px;
            color: var(--amber);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
            flex: 1;
            justify-content: center;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

        .main-nav::-webkit-scrollbar {
            display: none;
        }

        .main-nav a {
            font-size: 14px;
            color: var(--text-secondary);
            position: relative;
            padding: 6px 0;
            letter-spacing: 0.02em;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .main-nav a:hover {
            color: var(--amber);
        }

        .main-nav a.active {
            color: var(--amber);
        }

        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--amber);
            border-radius: 2px;
            box-shadow: 0 0 12px rgba(224, 184, 92, 0.5);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
        }

        .search-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: 1px solid var(--border-panel);
            color: var(--text-secondary);
            transition: var(--transition);
            background: rgba(21, 16, 33, 0.5);
        }

        .search-btn:hover {
            border-color: var(--border-gold);
            color: var(--amber);
            background: rgba(199, 160, 74, 0.08);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-pill);
            font-weight: 600;
            font-size: 15px;
            letter-spacing: 0.01em;
            transition: var(--transition);
            white-space: nowrap;
            line-height: 1.4;
        }

        .btn-primary {
            background: linear-gradient(180deg, #E0B85C, #B8860B);
            color: #0C0912;
            box-shadow: 0 4px 16px rgba(199, 160, 74, 0.25);
        }

        .btn-primary:hover {
            filter: brightness(1.05);
            box-shadow: 0 0 20px rgba(224, 184, 92, 0.45);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: translateY(0);
            filter: brightness(0.95);
        }

        .btn-secondary {
            border: 1px solid var(--border-gold);
            color: var(--text-primary);
            background: rgba(199, 160, 74, 0.06);
        }

        .btn-secondary:hover {
            background: rgba(199, 160, 74, 0.14);
            box-shadow: 0 0 16px rgba(199, 160, 74, 0.2);
            transform: translateY(-1px);
        }

        .btn-secondary:active {
            transform: translateY(0);
        }

        .nav-toggle {
            display: none;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-panel);
            color: var(--text-secondary);
            transition: var(--transition);
            background: rgba(21, 16, 33, 0.5);
        }

        .nav-toggle:hover {
            border-color: var(--border-gold);
            color: var(--amber);
        }

        .nav-toggle svg {
            width: 20px;
            height: 20px;
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 72px;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(21, 16, 33, 0.95);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            z-index: 99;
            padding: 24px 20px 40px;
            overflow-y: auto;
            border-top: 1px solid var(--border-panel);
        }

        .mobile-menu.open {
            display: block;
        }

        .mobile-menu a {
            display: block;
            padding: 14px 0;
            font-size: 16px;
            color: var(--text-secondary);
            border-bottom: 1px solid var(--border-panel);
            letter-spacing: 0.02em;
        }

        .mobile-menu a:hover {
            color: var(--amber);
        }

        .mobile-menu a.active {
            color: var(--amber);
        }

        .mobile-menu .btn {
            margin-top: 20px;
            width: 100%;
        }

        @media (max-width: 991px) {
            .main-nav {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .header-actions .btn-primary {
                display: none;
            }
        }

        @media (max-width: 520px) {
            .header-inner {
                height: 64px;
                gap: 12px;
            }
            .mobile-menu {
                top: 64px;
            }
            .logo {
                font-size: 18px;
            }
            .logo-mark {
                width: 32px;
                height: 32px;
                font-size: 16px;
            }
        }

        /* ========== PAGE BANNER ========== */
        .page-banner {
            position: relative;
            padding: 140px 0 80px;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            min-height: 420px;
            display: flex;
            align-items: flex-end;
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(12, 9, 18, 0.35) 0%, rgba(12, 9, 18, 0.62) 45%, #0C0912 100%);
            pointer-events: none;
        }

        .page-banner .container {
            position: relative;
            z-index: 1;
            width: 100%;
        }

        .breadcrumbs {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 22px;
            flex-wrap: wrap;
        }

        .breadcrumbs a {
            color: var(--text-secondary);
            transition: var(--transition);
        }

        .breadcrumbs a:hover {
            color: var(--amber);
        }

        .breadcrumbs .sep {
            color: var(--text-muted);
            font-size: 10px;
            opacity: 0.7;
        }

        .breadcrumbs .current {
            color: var(--amber);
            font-weight: 500;
        }

        .page-banner h1 {
            font-family: var(--font-serif);
            font-size: 52px;
            line-height: 1.15;
            font-weight: 700;
            letter-spacing: 0.01em;
            color: var(--text-primary);
            max-width: 700px;
            margin-bottom: 20px;
        }

        .page-banner .banner-subtitle {
            font-size: 17px;
            line-height: 1.8;
            color: var(--text-secondary);
            max-width: 620px;
            margin-bottom: 28px;
        }

        .banner-stats {
            display: flex;
            gap: 40px;
            flex-wrap: wrap;
            padding-top: 20px;
            border-top: 1px solid var(--border-gold);
        }

        .banner-stat {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .banner-stat .stat-value {
            font-family: var(--font-mono);
            font-size: 32px;
            font-weight: 700;
            color: var(--amber);
            letter-spacing: 0.02em;
            line-height: 1.2;
        }

        .banner-stat .stat-label {
            font-size: 13px;
            color: var(--text-muted);
            letter-spacing: 0.03em;
        }

        @media (max-width: 991px) {
            .page-banner {
                padding: 120px 0 60px;
                min-height: 380px;
            }
            .page-banner h1 {
                font-size: 40px;
            }
            .banner-stats {
                gap: 24px;
            }
            .banner-stat .stat-value {
                font-size: 26px;
            }
        }

        @media (max-width: 520px) {
            .page-banner {
                padding: 100px 0 50px;
                min-height: 360px;
            }
            .page-banner h1 {
                font-size: 30px;
            }
            .page-banner .banner-subtitle {
                font-size: 15px;
            }
            .banner-stats {
                gap: 16px;
                flex-direction: column;
            }
            .banner-stat .stat-value {
                font-size: 24px;
            }
        }

        /* ========== FILTER BAR ========== */
        .filter-section {
            padding: 28px 0 40px;
            background: var(--bg-void);
            position: relative;
            z-index: 2;
        }

        .filter-bar {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            background: rgba(15, 12, 22, 0.82);
            padding: 10px 14px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-panel);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }

        .filter-bar .filter-label {
            font-size: 13px;
            color: var(--text-muted);
            padding-right: 8px;
            letter-spacing: 0.04em;
            flex-shrink: 0;
        }

        .filter-bar .filter-tag {
            padding: 7px 16px;
            border-radius: var(--radius-pill);
            font-size: 13px;
            color: var(--text-secondary);
            border: 1px solid transparent;
            transition: var(--transition);
            letter-spacing: 0.01em;
            white-space: nowrap;
        }

        .filter-bar .filter-tag:hover {
            color: var(--amber);
            border-color: var(--border-gold);
        }

        .filter-bar .filter-tag.active {
            background: rgba(199, 160, 74, 0.16);
            border-color: var(--border-gold);
            color: var(--amber);
            font-weight: 500;
        }

        /* ========== CATEGORY CARDS GRID ========== */
        .cards-section {
            padding: 0 0 70px;
        }

        .cards-section .section-heading {
            margin-bottom: 36px;
        }

        .cards-section .section-heading h2 {
            font-family: var(--font-serif);
            font-size: 34px;
            line-height: 1.2;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .cards-section .section-heading p {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 560px;
            line-height: 1.8;
        }

        .cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .benchmark-card {
            background: var(--bg-panel);
            border: 1px solid var(--border-panel);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            box-shadow: var(--shadow-card);
        }

        .benchmark-card:hover {
            border-color: rgba(199, 160, 74, 0.55);
            transform: translateY(-4px);
            box-shadow: 0 18px 50px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(199, 160, 74, 0.18);
        }

        .benchmark-card .card-image {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: var(--bg-panel-2);
        }

        .benchmark-card .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .benchmark-card:hover .card-image img {
            transform: scale(1.05);
        }

        .benchmark-card .card-image .image-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 55%, rgba(12, 9, 18, 0.75) 100%);
            pointer-events: none;
        }

        .benchmark-card .card-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            padding: 5px 14px;
            border-radius: var(--radius-pill);
            font-size: 12px;
            font-weight: 500;
            letter-spacing: 0.04em;
            background: rgba(12, 9, 18, 0.85);
            border: 1px solid var(--border-gold);
            color: var(--amber);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }

        .benchmark-card .card-body {
            padding: 22px 24px 26px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .benchmark-card .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 12px;
            font-size: 12px;
            color: var(--text-muted);
            font-family: var(--font-mono);
            letter-spacing: 0.03em;
        }

        .benchmark-card .card-meta .meta-dot {
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--text-muted);
            opacity: 0.5;
        }

        .benchmark-card h3 {
            font-size: 20px;
            line-height: 1.4;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 10px;
            letter-spacing: 0.01em;
        }

        .benchmark-card .card-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 18px;
            flex: 1;
        }

        .benchmark-card .card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 16px;
            border-top: 1px solid var(--border-panel);
        }

        .benchmark-card .card-link {
            font-size: 13px;
            color: var(--amber);
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
            letter-spacing: 0.03em;
        }

        .benchmark-card .card-link:hover {
            color: #FFD980;
            gap: 10px;
        }

        .benchmark-card .card-link svg {
            width: 14px;
            height: 14px;
        }

        .benchmark-card .card-score {
            font-family: var(--font-mono);
            font-size: 15px;
            color: var(--emerald);
            font-weight: 600;
            letter-spacing: 0.02em;
        }

        @media (max-width: 1024px) {
            .cards-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }

        @media (max-width: 640px) {
            .cards-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .cards-section .section-heading h2 {
                font-size: 26px;
            }
            .benchmark-card .card-body {
                padding: 18px 20px 22px;
            }
        }

        /* ========== PAGINATION ========== */
        .pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 40px 0 10px;
            flex-wrap: wrap;
        }

        .pagination a,
        .pagination span {
            display: flex;
            align-items: center;
            justify-content: center;
            min-width: 40px;
            height: 40px;
            padding: 0 12px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-family: var(--font-mono);
            color: var(--text-secondary);
            border: 1px solid var(--border-panel);
            transition: var(--transition);
            background: var(--bg-panel);
            letter-spacing: 0.02em;
        }

        .pagination a:hover {
            border-color: var(--border-gold);
            color: var(--amber);
            background: rgba(199, 160, 74, 0.08);
        }

        .pagination .current {
            background: var(--amber);
            color: #0C0912;
            border-color: var(--amber);
            font-weight: 700;
        }

        .pagination .pagination-dots {
            border: none;
            background: none;
            color: var(--text-muted);
        }

        @media (max-width: 520px) {
            .pagination {
                gap: 6px;
            }
            .pagination a,
            .pagination span {
                min-width: 34px;
                height: 34px;
                padding: 0 8px;
                font-size: 13px;
            }
            .pagination .page-number {
                display: none;
            }
        }

        /* ========== COMPARISON TABLE SECTION ========== */
        .comparison-section {
            padding: 70px 0;
            background: var(--bg-void);
            position: relative;
        }

        .comparison-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--border-gold), transparent);
        }

        .comparison-section .section-heading {
            margin-bottom: 36px;
            text-align: left;
        }

        .comparison-section .section-heading h2 {
            font-family: var(--font-serif);
            font-size: 36px;
            line-height: 1.2;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .comparison-section .section-heading p {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 640px;
            line-height: 1.8;
        }

        .comparison-table-wrap {
            background: var(--bg-panel);
            border: 1px solid var(--border-panel);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 14px;
        }

        .comparison-table th {
            text-align: left;
            padding: 16px 20px;
            font-size: 13px;
            font-weight: 600;
            color: var(--text-secondary);
            letter-spacing: 0.04em;
            border-bottom: 1px solid var(--border-panel);
            background: rgba(93, 62, 143, 0.15);
            white-space: nowrap;
        }

        .comparison-table td {
            padding: 15px 20px;
            border-bottom: 1px solid rgba(169, 163, 184, 0.08);
            color: var(--text-primary);
            white-space: nowrap;
        }

        .comparison-table tr:last-child td {
            border-bottom: none;
        }

        .comparison-table tr:hover td {
            background: rgba(199, 160, 74, 0.04);
        }

        .comparison-table .metric-name {
            font-weight: 500;
            color: var(--text-secondary);
        }

        .comparison-table .benchmark-val {
            font-family: var(--font-mono);
            font-weight: 600;
            letter-spacing: 0.02em;
        }

        .comparison-table .target-val {
            font-family: var(--font-mono);
            font-weight: 600;
            color: var(--amber);
            letter-spacing: 0.02em;
        }

        .comparison-table .gap-positive {
            font-family: var(--font-mono);
            color: var(--emerald);
            font-weight: 600;
            letter-spacing: 0.02em;
        }

        .comparison-table .gap-negative {
            font-family: var(--font-mono);
            color: var(--danger);
            font-weight: 600;
            letter-spacing: 0.02em;
        }

        .comparison-table .progress-bar {
            width: 100%;
            height: 6px;
            background: rgba(169, 163, 184, 0.12);
            border-radius: 3px;
            overflow: hidden;
            min-width: 80px;
        }

        .comparison-table .progress-bar .progress-fill {
            height: 100%;
            border-radius: 3px;
            background: linear-gradient(90deg, var(--gold), var(--amber));
            transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .comparison-table .progress-bar .progress-fill.emerald {
            background: linear-gradient(90deg, #0F8B73, var(--emerald));
        }

        @media (max-width: 768px) {
            .comparison-section {
                padding: 50px 0;
            }
            .comparison-section .section-heading h2 {
                font-size: 28px;
            }
            .comparison-table-wrap {
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
            }
            .comparison-table th,
            .comparison-table td {
                padding: 12px 14px;
                font-size: 13px;
            }
        }

        /* ========== FAQ SECTION ========== */
        .faq-section {
            padding: 70px 0;
            background: var(--bg-void);
            position: relative;
        }

        .faq-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--border-gold), transparent);
        }

        .faq-section .section-heading {
            margin-bottom: 36px;
        }

        .faq-section .section-heading h2 {
            font-family: var(--font-serif);
            font-size: 36px;
            line-height: 1.2;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .faq-section .section-heading p {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 560px;
            line-height: 1.8;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 820px;
        }

        .faq-item {
            background: var(--bg-panel);
            border: 1px solid var(--border-panel);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item.active {
            background: var(--bg-panel-2);
            border-color: var(--border-gold);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-primary);
            letter-spacing: 0.01em;
            user-select: none;
            transition: var(--transition);
            width: 100%;
            text-align: left;
        }

        .faq-question:hover {
            color: var(--amber);
        }

        .faq-question .faq-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1px solid var(--border-gold);
            color: var(--amber);
            flex-shrink: 0;
            transition: var(--transition);
            font-size: 18px;
            line-height: 1;
        }

        .faq-item.active .faq-question .faq-icon {
            transform: rotate(45deg);
            background: rgba(199, 160, 74, 0.14);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            padding: 0 22px;
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.8;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 22px 20px;
        }

        @media (max-width: 768px) {
            .faq-section {
                padding: 50px 0;
            }
            .faq-section .section-heading h2 {
                font-size: 26px;
            }
            .faq-question {
                font-size: 15px;
                padding: 15px 18px;
            }
            .faq-answer {
                font-size: 13px;
                padding: 0 18px;
            }
            .faq-item.active .faq-answer {
                padding: 0 18px 16px;
            }
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            padding: 70px 0 80px;
            background: var(--bg-void);
            position: relative;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--border-gold), transparent);
        }

        .cta-card {
            background: var(--bg-panel-2);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-xl);
            padding: 48px 56px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
            position: relative;
            overflow: hidden;
        }

        .cta-card::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(199, 160, 74, 0.12), transparent 65%);
            pointer-events: none;
        }

        .cta-card .cta-info {
            flex: 1;
            position: relative;
            z-index: 1;
        }

        .cta-card .cta-info h2 {
            font-family: var(--font-serif);
            font-size: 32px;
            line-height: 1.25;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
        }

        .cta-card .cta-info p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 480px;
        }

        .cta-card .cta-actions {
            display: flex;
            gap: 14px;
            flex-shrink: 0;
            position: relative;
            z-index: 1;
            flex-wrap: wrap;
        }

        @media (max-width: 768px) {
            .cta-card {
                flex-direction: column;
                padding: 36px 28px;
                text-align: left;
                gap: 24px;
            }
            .cta-card .cta-info h2 {
                font-size: 26px;
            }
            .cta-card .cta-actions {
                width: 100%;
                flex-direction: column;
            }
            .cta-card .cta-actions .btn {
                width: 100%;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #0A0711;
            border-top: 1px solid var(--border-gold);
            padding: 60px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .footer-logo span {
            color: var(--amber);
        }

        .footer-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 400px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col ul li a {
            font-size: 13px;
            color: var(--text-muted);
            transition: var(--transition);
            letter-spacing: 0.02em;
        }

        .footer-col ul li a:hover {
            color: var(--amber);
        }

        .footer-bottom {
            border-top: 1px solid var(--border-panel);
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 12px;
            color: var(--text-muted);
        }

        .footer-bottom .legal-links {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        .footer-bottom .legal-links a {
            color: var(--text-muted);
            transition: var(--transition);
        }

        .footer-bottom .legal-links a:hover {
            color: var(--amber);
        }

        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .site-footer {
                padding: 40px 0 0;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .footer-bottom .legal-links {
                justify-content: center;
            }
        }

/* roulang page: category6 */
:root {
            --bg-void: #0C0912;
            --bg-panel: #151021;
            --bg-panel-2: #1C1529;
            --gold: #C7A04A;
            --amber: #E0B85C;
            --silver: #A9A3B8;
            --violet: #5D3E8F;
            --emerald: #1FA98C;
            --danger: #C94D4D;
            --text-primary: #F2EFE9;
            --text-secondary: #B9B2C7;
            --text-muted: #7D7689;
            --border-gold: rgba(199, 160, 74, 0.28);
            --border-panel: rgba(169, 163, 184, 0.14);
            --shadow-card: 0 16px 40px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 18px 50px rgba(0, 0, 0, 0.5);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-pill: 999px;
            --font-sans: 'Noto Sans SC', 'Source Han Sans SC', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-serif: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', 'SimSun', serif;
            --font-mono: 'JetBrains Mono', 'SF Mono', 'Cascadia Code', 'Consolas', monospace;
            --container-max: 1280px;
            --gap-desktop: 32px;
            --gap-tablet: 20px;
            --gap-mobile: 16px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-primary);
            background-color: var(--bg-void);
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 3px solid rgba(199, 160, 74, 0.18);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--gap-desktop);
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(12, 9, 18, 0.55);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-gold);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
            transition: var(--transition);
        }

        .site-header.scrolled {
            background: rgba(12, 9, 18, 0.96);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.55);
            border-bottom-color: rgba(199, 160, 74, 0.35);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 24px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            letter-spacing: 0.02em;
            color: var(--text-primary);
            flex-shrink: 0;
        }

        .logo-mark {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border: 1px solid var(--border-gold);
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, rgba(199, 160, 74, 0.2), transparent 70%);
            font-size: 18px;
            color: var(--amber);
            flex-shrink: 0;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 30px;
            flex: 1;
            justify-content: center;
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .main-nav::-webkit-scrollbar {
            display: none;
        }

        .main-nav a {
            font-size: 14px;
            color: var(--text-secondary);
            position: relative;
            padding: 6px 0;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .main-nav a:hover {
            color: var(--amber);
        }

        .main-nav a.active {
            color: var(--amber);
        }

        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--amber);
            border-radius: 2px;
            box-shadow: 0 0 12px rgba(224, 184, 92, 0.5);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
        }

        .search-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: 1px solid var(--border-panel);
            color: var(--text-secondary);
            transition: var(--transition);
            background: rgba(21, 16, 33, 0.5);
        }

        .search-btn:hover {
            border-color: var(--border-gold);
            color: var(--amber);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: var(--radius-pill);
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.02em;
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-primary {
            background: linear-gradient(180deg, #E0B85C, #B8860B);
            color: #0C0912;
            box-shadow: 0 4px 16px rgba(199, 160, 74, 0.25);
        }

        .btn-primary:hover {
            filter: brightness(1.05);
            box-shadow: 0 0 20px rgba(224, 184, 92, 0.45);
            transform: translateY(-2px);
        }

        .btn-secondary {
            border: 1px solid var(--border-gold);
            color: var(--text-primary);
            background: rgba(199, 160, 74, 0.06);
        }

        .btn-secondary:hover {
            background: rgba(199, 160, 74, 0.14);
            border-color: var(--amber);
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--border-panel);
            border-radius: var(--radius-sm);
            background: rgba(21, 16, 33, 0.5);
            transition: var(--transition);
        }

        .hamburger span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text-secondary);
            border-radius: 2px;
            transition: var(--transition);
        }

        .hamburger:hover {
            border-color: var(--border-gold);
        }

        .hamburger:hover span {
            background: var(--amber);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 72px;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(21, 16, 33, 0.95);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            z-index: 99;
            padding: 32px 24px;
            flex-direction: column;
            gap: 4px;
            overflow-y: auto;
            border-top: 1px solid var(--border-panel);
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-menu a {
            font-size: 16px;
            color: var(--text-secondary);
            padding: 14px 8px;
            border-bottom: 1px solid var(--border-panel);
            display: block;
            width: 100%;
            text-align: left;
        }

        .mobile-menu a:hover {
            color: var(--amber);
            padding-left: 12px;
        }

        .mobile-menu a.active {
            color: var(--amber);
            border-left: 3px solid var(--amber);
            padding-left: 12px;
        }

        .mobile-menu .btn {
            margin-top: 16px;
            width: 100%;
        }

        /* ========== HERO ========== */
        .page-hero {
            position: relative;
            min-height: 620px;
            display: flex;
            align-items: center;
            background: url('/assets/images/backpic/back-3.webp') center center / cover no-repeat;
            background-color: var(--bg-void);
            margin-top: 72px;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(12, 9, 18, 0.75) 0%, rgba(12, 9, 18, 0.45) 45%, rgba(12, 9, 18, 0.92) 100%);
            z-index: 1;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 70% 20%, rgba(199, 160, 74, 0.12) 0%, transparent 55%);
            z-index: 1;
            pointer-events: none;
        }

        .page-hero .container {
            position: relative;
            z-index: 2;
            width: 100%;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 28px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-secondary);
            transition: var(--transition);
        }

        .breadcrumb a:hover {
            color: var(--amber);
        }

        .breadcrumb .separator {
            color: var(--gold);
            font-size: 10px;
            transform: rotate(0deg);
        }

        .breadcrumb .current {
            color: var(--amber);
            font-weight: 500;
        }

        .page-hero h1 {
            font-family: var(--font-serif);
            font-size: 48px;
            line-height: 1.15;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 20px;
            letter-spacing: 0.02em;
            max-width: 75%;
            text-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
        }

        .page-hero .hero-subtitle {
            font-size: 18px;
            line-height: 1.8;
            color: var(--text-secondary);
            max-width: 65ch;
            margin-bottom: 32px;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            align-items: center;
        }

        .hero-badges {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-top: 28px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            color: var(--amber);
            background: rgba(199, 160, 74, 0.12);
            border: 1px solid var(--border-gold);
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            letter-spacing: 0.03em;
        }

        .hero-badge svg {
            width: 14px;
            height: 14px;
            fill: none;
            stroke: var(--amber);
            stroke-width: 2;
        }

        /* ========== SECTION COMMON ========== */
        section {
            padding: 80px 0;
        }

        .section-label {
            display: inline-block;
            font-size: 12px;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--amber);
            border: 1px solid var(--border-gold);
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            margin-bottom: 16px;
            background: rgba(199, 160, 74, 0.06);
        }

        .section-title {
            font-family: var(--font-serif);
            font-size: 36px;
            line-height: 1.2;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .section-subtitle {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-secondary);
            max-width: 65ch;
            margin-bottom: 40px;
        }

        .section-header {
            margin-bottom: 40px;
        }

        /* ========== FILTER BAR ========== */
        .filter-bar {
            background: rgba(15, 12, 22, 0.82);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-panel);
            padding: 16px 0;
            position: sticky;
            top: 72px;
            z-index: 50;
        }

        .filter-bar .container {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            justify-content: space-between;
        }

        .filter-tabs {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            align-items: center;
        }

        .filter-tab {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            font-size: 13px;
            color: var(--text-secondary);
            border: 1px solid var(--border-panel);
            transition: var(--transition);
            white-space: nowrap;
        }

        .filter-tab:hover {
            border-color: var(--border-gold);
            color: var(--amber);
        }

        .filter-tab.active {
            background: rgba(199, 160, 74, 0.16);
            border-color: var(--border-gold);
            color: var(--amber);
            box-shadow: 0 0 12px rgba(199, 160, 74, 0.15);
        }

        .filter-count {
            font-size: 12px;
            color: var(--text-muted);
            font-family: var(--font-mono);
            white-space: nowrap;
        }

        /* ========== CAPABILITY MATRIX ========== */
        .capability-grid {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 24px;
        }

        .capability-main {
            grid-column: span 7;
            background: var(--bg-panel);
            border: 1px solid var(--border-panel);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .capability-main:hover {
            border-color: rgba(199, 160, 74, 0.55);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover), 0 0 0 1px rgba(199, 160, 74, 0.18);
        }

        .capability-main .card-image {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            border-bottom: 1px solid var(--border-panel);
        }

        .capability-main .card-body {
            padding: 28px 32px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .capability-main h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
            line-height: 1.35;
        }

        .capability-main p {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-secondary);
            margin-bottom: 20px;
        }

        .capability-side-grid {
            grid-column: span 5;
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .capability-side {
            background: var(--bg-panel);
            border: 1px solid var(--border-panel);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: var(--transition);
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .capability-side:hover {
            border-color: rgba(199, 160, 74, 0.55);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover), 0 0 0 1px rgba(199, 160, 74, 0.18);
        }

        .capability-side .card-image {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            border-bottom: 1px solid var(--border-panel);
        }

        .capability-side .card-body {
            padding: 20px 24px;
            flex: 1;
        }

        .capability-side h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.35;
        }

        .capability-side p {
            font-size: 14px;
            line-height: 1.75;
            color: var(--text-secondary);
        }

        .card-tag {
            display: inline-block;
            font-size: 11px;
            color: var(--violet);
            background: rgba(93, 62, 143, 0.2);
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            margin-bottom: 12px;
            letter-spacing: 0.03em;
        }

        /* ========== METRIC DASHBOARD ========== */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .metric-card {
            background: var(--bg-panel);
            border: 1px solid var(--border-panel);
            border-radius: var(--radius-lg);
            padding: 24px;
            transition: var(--transition);
            box-shadow: var(--shadow-card);
        }

        .metric-card:hover {
            border-color: var(--border-gold);
            transform: translateY(-2px);
        }

        .metric-name {
            font-size: 13px;
            color: var(--text-muted);
            letter-spacing: 0.04em;
            margin-bottom: 12px;
        }

        .metric-value {
            font-family: var(--font-mono);
            font-size: 32px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.2;
            letter-spacing: -0.01em;
            tabular-nums: numeric;
            margin-bottom: 10px;
        }

        .metric-value .unit {
            font-size: 16px;
            color: var(--text-secondary);
            font-weight: 400;
            margin-left: 2px;
        }

        .metric-trend {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-family: var(--font-mono);
        }

        .trend-up {
            color: var(--emerald);
        }

        .trend-down {
            color: var(--danger);
        }

        .trend-flat {
            color: var(--text-muted);
        }

        .trend-arrow {
            font-size: 14px;
            font-weight: 700;
        }

        /* ========== SCENARIOS ========== */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .scenario-card {
            background: var(--bg-panel);
            border: 1px solid var(--border-panel);
            border-radius: var(--radius-lg);
            padding: 28px;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .scenario-card:hover {
            border-color: var(--border-gold);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .scenario-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: rgba(199, 160, 74, 0.1);
            border: 1px solid var(--border-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--amber);
            margin-bottom: 8px;
        }

        .scenario-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.35;
        }

        .scenario-card p {
            font-size: 14px;
            line-height: 1.75;
            color: var(--text-secondary);
            flex: 1;
        }

        .scenario-stat {
            font-size: 13px;
            font-family: var(--font-mono);
            color: var(--emerald);
            border-top: 1px solid var(--border-panel);
            padding-top: 12px;
        }

        /* ========== PROCESS ========== */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
            position: relative;
        }

        .process-step {
            background: var(--bg-panel);
            border: 1px solid var(--border-panel);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: center;
            transition: var(--transition);
            position: relative;
        }

        .process-step:hover {
            border-color: var(--border-gold);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .process-step .step-number {
            font-family: var(--font-mono);
            font-size: 14px;
            font-weight: 700;
            color: var(--amber);
            background: rgba(199, 160, 74, 0.12);
            border: 1px solid var(--border-gold);
            border-radius: 50%;
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
        }

        .process-step h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.35;
        }

        .process-step p {
            font-size: 13px;
            line-height: 1.7;
            color: var(--text-secondary);
        }

        /* ========== COMPARISON ========== */
        .comparison-panel {
            background: var(--bg-panel);
            border: 1px solid var(--border-panel);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 14px;
        }

        .comparison-table thead {
            background: rgba(93, 62, 143, 0.25);
        }

        .comparison-table thead th {
            padding: 16px 20px;
            text-align: left;
            font-weight: 600;
            font-size: 14px;
            color: var(--text-secondary);
            letter-spacing: 0.04em;
            border-bottom: 1px solid var(--border-panel);
            white-space: nowrap;
        }

        .comparison-table tbody tr {
            border-bottom: 1px solid rgba(169, 163, 184, 0.1);
            transition: var(--transition);
        }

        .comparison-table tbody tr:hover {
            background: rgba(199, 160, 74, 0.04);
        }

        .comparison-table tbody td {
            padding: 16px 20px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        .comparison-table tbody td:first-child {
            color: var(--text-primary);
            font-weight: 500;
        }

        .comparison-table .diff-positive {
            color: var(--emerald);
            font-family: var(--font-mono);
            font-weight: 600;
        }

        .comparison-table .diff-negative {
            color: var(--danger);
            font-family: var(--font-mono);
            font-weight: 600;
        }

        .data-bar {
            display: inline-block;
            height: 6px;
            border-radius: 3px;
            margin-right: 8px;
            vertical-align: middle;
        }

        .data-bar.gold {
            background: var(--gold);
        }

        .data-bar.emerald {
            background: var(--emerald);
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-panel);
            border: 1px solid var(--border-panel);
            border-radius: var(--radius-md);
            transition: var(--transition);
            overflow: hidden;
        }

        .faq-item:hover {
            border-color: rgba(169, 163, 184, 0.25);
        }

        .faq-item.active {
            background: var(--bg-panel-2);
            border-color: var(--border-gold);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-primary);
            transition: var(--transition);
            user-select: none;
            -webkit-user-select: none;
        }

        .faq-question:hover {
            color: var(--amber);
        }

        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1px solid var(--border-panel);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            font-size: 18px;
            transition: var(--transition);
            flex-shrink: 0;
        }

        .faq-item.active .faq-icon {
            border-color: var(--border-gold);
            color: var(--amber);
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s ease;
            padding: 0 24px;
            color: var(--text-secondary);
            line-height: 1.8;
            font-size: 15px;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        /* ========== CTA FORM ========== */
        .cta-wrap {
            background: var(--bg-panel-2);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-xl);
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
            overflow: hidden;
            display: grid;
            grid-template-columns: 1fr 1fr;
        }

        .cta-info {
            padding: 48px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 24px;
        }

        .cta-info h2 {
            font-family: var(--font-serif);
            font-size: 32px;
            line-height: 1.2;
            font-weight: 700;
            color: var(--text-primary);
        }

        .cta-info p {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-secondary);
        }

        .cta-benefits {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .cta-benefit {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        .cta-benefit .check {
            color: var(--emerald);
            font-weight: 700;
            flex-shrink: 0;
            margin-top: 1px;
        }

        .cta-form {
            padding: 48px;
            display: flex;
            flex-direction: column;
            gap: 20px;
            border-left: 1px solid var(--border-panel);
        }

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .form-group label {
            font-size: 13px;
            color: var(--text-secondary);
            letter-spacing: 0.02em;
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            background: #0C0912;
            border: 1px solid rgba(169, 163, 184, 0.2);
            border-radius: var(--radius-md);
            padding: 12px 16px;
            color: var(--text-primary);
            transition: var(--transition);
            font-size: 15px;
            width: 100%;
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            border-color: var(--amber);
            box-shadow: 0 0 0 3px rgba(199, 160, 74, 0.18);
            outline: none;
        }

        .form-group input.error {
            border-color: var(--danger);
            box-shadow: 0 0 0 3px rgba(201, 77, 77, 0.18);
        }

        .form-group .error-msg {
            font-size: 12px;
            color: var(--danger);
            display: none;
        }

        .form-group .error-msg.show {
            display: block;
        }

        .form-success {
            display: none;
            padding: 16px 20px;
            background: rgba(31, 169, 140, 0.1);
            border: 1px solid var(--emerald);
            border-radius: var(--radius-md);
            color: var(--emerald);
            font-size: 14px;
            line-height: 1.6;
        }

        .form-success.show {
            display: block;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #0A0711;
            border-top: 1px solid var(--border-gold);
            padding: 64px 0 0;
            margin-top: 80px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 22px;
            letter-spacing: 0.02em;
            color: var(--text-primary);
            margin-bottom: 16px;
        }

        .footer-logo span {
            color: var(--amber);
            font-size: 16px;
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.75;
            color: var(--text-secondary);
            max-width: 40ch;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            letter-spacing: 0.04em;
            margin-bottom: 16px;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col ul li a {
            font-size: 14px;
            color: var(--text-muted);
            transition: var(--transition);
        }

        .footer-col ul li a:hover {
            color: var(--amber);
        }

        .footer-bottom {
            border-top: 1px solid var(--border-panel);
            padding: 24px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--text-muted);
        }

        .legal-links {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 12px;
            color: var(--text-muted);
        }

        .legal-links a {
            color: var(--text-muted);
            transition: var(--transition);
        }

        .legal-links a:hover {
            color: var(--amber);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .container {
                padding: 0 var(--gap-tablet);
            }

            section {
                padding: 60px 0;
            }

            .page-hero h1 {
                font-size: 38px;
                max-width: 85%;
            }

            .capability-main {
                grid-column: span 7;
            }

            .capability-side-grid {
                grid-column: span 5;
            }

            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .scenario-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .process-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 16px;
            }

            .cta-wrap {
                grid-template-columns: 1fr;
            }

            .cta-form {
                border-left: none;
                border-top: 1px solid var(--border-panel);
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 var(--gap-mobile);
            }

            .main-nav {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .header-actions .btn {
                display: none;
            }

            .page-hero {
                min-height: 520px;
                margin-top: 72px;
            }

            .page-hero h1 {
                font-size: 30px;
                max-width: 100%;
            }

            .page-hero .hero-subtitle {
                font-size: 15px;
            }

            .capability-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .capability-main,
            .capability-side-grid {
                grid-column: span 1;
            }

            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }

            .metric-card {
                padding: 18px;
            }

            .metric-value {
                font-size: 24px;
            }

            .scenario-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .process-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }

            .comparison-table {
                font-size: 12px;
            }

            .comparison-table thead th,
            .comparison-table tbody td {
                padding: 10px 12px;
            }

            .faq-question {
                padding: 16px 18px;
                font-size: 14px;
            }

            .faq-answer {
                font-size: 14px;
                padding: 0 18px;
            }

            .faq-item.active .faq-answer {
                padding: 0 18px 16px;
            }

            .cta-info,
            .cta-form {
                padding: 28px 20px;
            }

            .cta-info h2 {
                font-size: 26px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }

            .filter-bar {
                top: 72px;
            }

            .filter-bar .container {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

        @media (max-width: 520px) {
            section {
                padding: 48px 0;
            }

            .page-hero {
                min-height: 480px;
            }

            .page-hero h1 {
                font-size: 26px;
            }

            .section-title {
                font-size: 28px;
            }

            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }

            .metric-card {
                padding: 14px;
            }

            .metric-value {
                font-size: 20px;
            }

            .metric-name {
                font-size: 11px;
            }

            .process-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }

            .hero-actions {
                flex-direction: column;
                width: 100%;
            }

            .hero-actions .btn {
                width: 100%;
            }

            .comparison-panel {
                overflow-x: auto;
            }

            .comparison-table {
                min-width: 600px;
            }

            .filter-tab {
                padding: 6px 12px;
                font-size: 12px;
            }
        }

        @media (max-width: 375px) {
            .page-hero h1 {
                font-size: 22px;
            }

            .section-title {
                font-size: 24px;
            }

            .metrics-grid {
                grid-template-columns: 1fr;
                gap: 8px;
            }

            .btn {
                padding: 12px 20px;
                font-size: 13px;
            }
        }

/* roulang page: category7 */
:root {
            --bg-void: #0C0912;
            --bg-panel: #151021;
            --bg-panel-2: #1C1529;
            --gold: #C7A04A;
            --amber: #E0B85C;
            --silver: #A9A3B8;
            --violet: #5D3E8F;
            --emerald: #1FA98C;
            --danger: #C94D4D;
            --text-primary: #F2EFE9;
            --text-secondary: #B9B2C7;
            --text-muted: #7D7689;
            --border-gold: rgba(199, 160, 74, 0.28);
            --border-panel: rgba(169, 163, 184, 0.14);
            --shadow-card: 0 16px 40px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 18px 50px rgba(0, 0, 0, 0.5);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-pill: 999px;
            --font-sans: 'Noto Sans SC', 'Source Han Sans SC', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-serif: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', 'SimSun', serif;
            --font-mono: 'JetBrains Mono', 'SF Mono', 'Cascadia Code', 'Consolas', monospace;
            --container-max: 1280px;
            --gap-desktop: 32px;
            --gap-tablet: 20px;
            --gap-mobile: 16px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-primary);
            background-color: var(--bg-void);
            overflow-x: hidden;
            margin: 0;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }

        button {
            cursor: pointer;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 3px solid rgba(199, 160, 74, 0.18);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 var(--gap-desktop);
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(12, 9, 18, 0.55);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-gold);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
            transition: var(--transition);
        }

        .site-header.scrolled {
            background: rgba(12, 9, 18, 0.96);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.55);
            border-bottom-color: rgba(199, 160, 74, 0.35);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 24px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            letter-spacing: 0.02em;
            color: var(--text-primary);
            flex-shrink: 0;
        }

        .logo-mark {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border: 1px solid var(--border-gold);
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, rgba(199, 160, 74, 0.2), transparent 70%);
            font-size: 18px;
            color: var(--amber);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 30px;
            flex: 1;
            justify-content: center;
        }

        .main-nav a {
            font-size: 14px;
            color: var(--text-secondary);
            position: relative;
            padding: 6px 0;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .main-nav a:hover {
            color: var(--amber);
        }

        .main-nav a.active {
            color: var(--amber);
        }

        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--amber);
            border-radius: 2px;
            box-shadow: 0 0 12px rgba(224, 184, 92, 0.5);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
        }

        .search-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: 1px solid var(--border-panel);
            color: var(--text-secondary);
            transition: var(--transition);
            background: rgba(21, 16, 33, 0.5);
        }

        .search-btn:hover {
            color: var(--amber);
            border-color: var(--border-gold);
            background: rgba(21, 16, 33, 0.8);
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: linear-gradient(180deg, #E0B85C, #B8860B);
            color: #0C0912;
            border-radius: var(--radius-pill);
            padding: 14px 28px;
            font-weight: 700;
            font-size: 15px;
            letter-spacing: 0.02em;
            transition: var(--transition);
            border: none;
            white-space: nowrap;
        }

        .btn-primary:hover {
            filter: brightness(1.05);
            box-shadow: 0 0 20px rgba(224, 184, 92, 0.45);
            transform: translateY(-2px);
            color: #0C0912;
        }

        .btn-primary:focus-visible {
            outline: 3px solid rgba(199, 160, 74, 0.18);
            outline-offset: 2px;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border: 1px solid var(--border-gold);
            color: var(--text-primary);
            background: rgba(199, 160, 74, 0.06);
            border-radius: var(--radius-pill);
            padding: 14px 28px;
            font-weight: 700;
            font-size: 15px;
            letter-spacing: 0.02em;
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-secondary:hover {
            background: rgba(199, 160, 74, 0.14);
            color: var(--amber);
            transform: translateY(-2px);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            padding: 8px;
            cursor: pointer;
            z-index: 110;
        }

        .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: var(--transition);
        }

        .hamburger.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 72px;
            left: 0;
            right: 0;
            background: #151021f2;
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            padding: 20px;
            z-index: 99;
            border-bottom: 1px solid var(--border-panel);
            flex-direction: column;
            gap: 0;
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-menu a {
            font-size: 16px;
            padding: 14px 0;
            color: var(--text-secondary);
            border-bottom: 1px solid var(--border-panel);
        }

        .mobile-menu a:last-child {
            border-bottom: none;
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--amber);
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-section {
            padding-top: 120px;
            padding-bottom: 20px;
            background: var(--bg-void);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: var(--text-muted);
            letter-spacing: 0.02em;
        }

        .breadcrumb a {
            color: var(--text-secondary);
            transition: var(--transition);
        }

        .breadcrumb a:hover {
            color: var(--amber);
        }

        .breadcrumb .separator {
            color: var(--text-muted);
            font-size: 12px;
        }

        .breadcrumb .current {
            color: var(--amber);
        }

        /* ========== PAGE HERO ========== */
        .page-hero {
            padding: 44px 0 60px;
            position: relative;
            background: linear-gradient(180deg, rgba(12, 9, 18, 0.8) 0%, rgba(12, 9, 18, 0.95) 100%);
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.15;
            z-index: 0;
        }

        .page-hero .container {
            position: relative;
            z-index: 1;
        }

        .page-hero-inner {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .page-hero-content h1 {
            font-size: 48px;
            line-height: 1.15;
            font-weight: 700;
            margin: 0 0 16px;
            letter-spacing: 0.02em;
            font-family: var(--font-serif);
            color: var(--text-primary);
        }

        .page-hero-content h1 .highlight {
            color: var(--amber);
            position: relative;
        }

        .page-hero-content .hero-subtitle {
            font-size: 17px;
            line-height: 1.8;
            color: var(--text-secondary);
            margin: 0 0 28px;
            max-width: 560px;
        }

        .hero-cta-group {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .hero-stats-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
            margin-top: 32px;
        }

        .hero-stat-card {
            background: rgba(21, 16, 33, 0.72);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 16px;
            text-align: center;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

        .hero-stat-card .stat-value {
            font-family: var(--font-mono);
            font-size: 24px;
            font-weight: 700;
            color: var(--amber);
            display: block;
            letter-spacing: 0.02em;
        }

        .hero-stat-card .stat-label {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 4px;
            display: block;
            letter-spacing: 0.03em;
        }

        .hero-image-side {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            border: 1px solid var(--border-gold);
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
            aspect-ratio: 16 / 11;
        }

        .hero-image-side img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-xl);
        }

        .hero-image-side::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(12, 9, 18, 0.7) 100%);
            border-radius: var(--radius-xl);
        }

        .hero-image-badge {
            position: absolute;
            bottom: 16px;
            left: 16px;
            right: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
            background: rgba(21, 16, 33, 0.85);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            padding: 10px 14px;
            z-index: 2;
        }

        .hero-image-badge .badge-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--emerald);
            flex-shrink: 0;
        }

        .hero-image-badge span {
            font-size: 13px;
            color: var(--text-secondary);
            letter-spacing: 0.02em;
        }

        /* ========== MAIN SECTIONS ========== */
        .section {
            padding: 60px 0;
        }

        .section-alt {
            background: var(--bg-panel);
        }

        .section-header {
            margin-bottom: 36px;
        }

        .section-header h2 {
            font-size: 34px;
            line-height: 1.2;
            font-weight: 700;
            margin: 0 0 10px;
            font-family: var(--font-serif);
            letter-spacing: 0.02em;
        }

        .section-header p {
            font-size: 16px;
            color: var(--text-secondary);
            margin: 0;
            max-width: 600px;
            line-height: 1.8;
        }

        /* ========== CASE FEATURED ========== */
        .case-featured-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 24px;
            align-items: stretch;
        }

        .case-featured-card-large,
        .case-featured-card-small {
            background: var(--bg-panel);
            border: 1px solid var(--border-panel);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .case-featured-card-large:hover,
        .case-featured-card-small:hover {
            border-color: rgba(199, 160, 74, 0.55);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover), 0 0 0 1px rgba(199, 160, 74, 0.18);
        }

        .case-card-image {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
        }

        .case-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

        .case-featured-card-large:hover .case-card-image img,
        .case-featured-card-small:hover .case-card-image img {
            transform: scale(1.04);
        }

        .case-card-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 50%, rgba(12, 9, 18, 0.5) 100%);
        }

        .case-card-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
            background: rgba(21, 16, 33, 0.85);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-pill);
            padding: 4px 12px;
            font-size: 12px;
            color: var(--amber);
            letter-spacing: 0.04em;
        }

        .case-card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .case-card-body h3 {
            font-size: 20px;
            line-height: 1.35;
            margin: 0;
            font-weight: 700;
            letter-spacing: 0.01em;
        }

        .case-card-body p {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.7;
        }

        .case-card-metrics {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: auto;
        }

        .case-metric {
            background: rgba(93, 62, 143, 0.2);
            border: 1px solid rgba(93, 62, 143, 0.3);
            border-radius: var(--radius-sm);
            padding: 4px 10px;
            font-size: 12px;
            color: var(--text-secondary);
            font-family: var(--font-mono);
            letter-spacing: 0.02em;
        }

        .case-metric.positive {
            background: rgba(31, 169, 140, 0.12);
            border-color: rgba(31, 169, 140, 0.3);
            color: var(--emerald);
        }

        .case-metric.negative {
            background: rgba(201, 77, 77, 0.12);
            border-color: rgba(201, 77, 77, 0.3);
            color: var(--danger);
        }

        .case-small-stack {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        /* ========== SCENARIO GRID ========== */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .scenario-card {
            background: var(--bg-panel);
            border: 1px solid var(--border-panel);
            border-radius: var(--radius-lg);
            padding: 24px;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .scenario-card:hover {
            border-color: var(--border-gold);
            transform: translateY(-3px);
            box-shadow: var(--shadow-card);
        }

        .scenario-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(199, 160, 74, 0.1);
            border: 1px solid var(--border-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--amber);
            font-size: 18px;
            flex-shrink: 0;
        }

        .scenario-card h3 {
            font-size: 17px;
            margin: 0;
            font-weight: 700;
        }

        .scenario-card p {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.7;
        }

        /* ========== PROCESS / TIMELINE ========== */
        .process-list {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .process-item {
            background: var(--bg-panel);
            border: 1px solid var(--border-panel);
            border-radius: var(--radius-lg);
            padding: 24px;
            transition: var(--transition);
            position: relative;
        }

        .process-item:hover {
            border-color: rgba(199, 160, 74, 0.5);
            transform: translateY(-4px);
            box-shadow: var(--shadow-card);
        }

        .process-number {
            font-family: var(--font-mono);
            font-size: 36px;
            font-weight: 700;
            color: var(--amber);
            opacity: 0.7;
            letter-spacing: 0.02em;
            display: block;
            margin-bottom: 8px;
        }

        .process-item h3 {
            font-size: 16px;
            margin: 0 0 8px;
            font-weight: 700;
        }

        .process-item p {
            font-size: 13px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.7;
        }

        /* ========== COMPARISON TABLE ========== */
        .comparison-wrapper {
            background: var(--bg-panel);
            border: 1px solid var(--border-panel);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 14px;
        }

        .comparison-table thead {
            background: rgba(93, 62, 143, 0.25);
        }

        .comparison-table th {
            padding: 14px 16px;
            text-align: left;
            font-weight: 700;
            font-size: 13px;
            color: var(--text-secondary);
            letter-spacing: 0.04em;
            border-bottom: 1px solid rgba(169, 163, 184, 0.1);
        }

        .comparison-table td {
            padding: 14px 16px;
            border-bottom: 1px solid rgba(169, 163, 184, 0.1);
            color: var(--text-secondary);
            font-family: var(--font-mono);
            font-size: 13px;
            letter-spacing: 0.01em;
        }

        .comparison-table tbody tr:nth-child(odd) {
            background: rgba(21, 16, 33, 0.5);
        }

        .comparison-table tbody tr:nth-child(even) {
            background: rgba(28, 21, 41, 0.5);
        }

        .comparison-table .positive-diff {
            color: var(--emerald);
            font-weight: 700;
        }

        .comparison-table .negative-diff {
            color: var(--danger);
            font-weight: 700;
        }

        .comparison-table .industry-name {
            font-family: var(--font-sans);
            font-weight: 600;
            color: var(--text-primary);
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--bg-panel);
            border: 1px solid var(--border-panel);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item.active {
            background: var(--bg-panel-2);
            border-color: var(--border-gold);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 16px 20px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            letter-spacing: 0.01em;
            transition: var(--transition);
            user-select: none;
            text-align: left;
            width: 100%;
            background: none;
            border: none;
        }

        .faq-question:hover {
            color: var(--amber);
        }

        .faq-icon {
            flex-shrink: 0;
            width: 20px;
            height: 20px;
            position: relative;
            color: var(--text-muted);
            transition: var(--transition);
        }

        .faq-icon::before,
        .faq-icon::after {
            content: '';
            position: absolute;
            background: currentColor;
            border-radius: 2px;
            transition: var(--transition);
        }

        .faq-icon::before {
            width: 14px;
            height: 2px;
            top: 9px;
            left: 3px;
        }

        .faq-icon::after {
            width: 2px;
            height: 14px;
            top: 3px;
            left: 9px;
        }

        .faq-item.active .faq-icon::after {
            transform: rotate(90deg);
            opacity: 0;
        }

        .faq-item.active .faq-icon::before {
            transform: rotate(45deg);
            color: var(--amber);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s ease;
            padding: 0 20px;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 20px 16px;
        }

        .faq-answer p {
            margin: 0;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        /* ========== CTA ========== */
        .cta-section {
            padding: 60px 0 80px;
            background: linear-gradient(180deg, var(--bg-void) 0%, var(--bg-panel) 100%);
        }

        .cta-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .cta-content h2 {
            font-size: 32px;
            line-height: 1.2;
            font-weight: 700;
            margin: 0 0 14px;
            font-family: var(--font-serif);
            letter-spacing: 0.02em;
        }

        .cta-content p {
            font-size: 16px;
            color: var(--text-secondary);
            margin: 0 0 20px;
            line-height: 1.8;
            max-width: 500px;
        }

        .cta-benefits {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .cta-benefits li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .cta-benefits li::before {
            content: '◆';
            color: var(--amber);
            font-size: 12px;
            margin-top: 5px;
            flex-shrink: 0;
        }

        .cta-form-card {
            background: var(--bg-panel-2);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-xl);
            padding: 28px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
        }

        .cta-form-card h3 {
            font-size: 18px;
            margin: 0 0 16px;
            font-weight: 700;
            letter-spacing: 0.01em;
        }

        .form-group {
            margin-bottom: 14px;
        }

        .form-group label {
            display: block;
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 6px;
            letter-spacing: 0.02em;
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            background: #0C0912;
            border: 1px solid rgba(169, 163, 184, 0.2);
            border-radius: var(--radius-md);
            padding: 12px 16px;
            color: var(--text-primary);
            font-size: 14px;
            transition: var(--transition);
            box-sizing: border-box;
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            border-color: var(--amber);
            box-shadow: 0 0 0 3px rgba(199, 160, 74, 0.18);
            outline: none;
        }

        .form-group textarea {
            min-height: 80px;
            resize: vertical;
        }

        .form-group input.error,
        .form-group textarea.error {
            border-color: var(--danger);
            box-shadow: 0 0 0 3px rgba(201, 77, 77, 0.18);
        }

        .form-group input.success,
        .form-group textarea.success {
            border-color: var(--emerald);
        }

        .form-submit-btn {
            width: 100%;
            background: linear-gradient(180deg, #E0B85C, #B8860B);
            color: #0C0912;
            border-radius: var(--radius-pill);
            padding: 14px 28px;
            font-weight: 700;
            font-size: 15px;
            letter-spacing: 0.02em;
            transition: var(--transition);
            border: none;
            cursor: pointer;
        }

        .form-submit-btn:hover {
            filter: brightness(1.05);
            box-shadow: 0 0 20px rgba(224, 184, 92, 0.45);
            transform: translateY(-2px);
        }

        .form-note {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 10px;
            text-align: center;
            letter-spacing: 0.02em;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #0A0711;
            border-top: 1px solid var(--border-gold);
            padding: 48px 0 24px;
            margin-top: 40px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-col .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .footer-logo span {
            color: var(--amber);
            font-size: 16px;
        }

        .footer-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
            margin: 0 0 16px;
            max-width: 360px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 12px;
            letter-spacing: 0.04em;
        }

        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            font-size: 13px;
            color: var(--text-muted);
            transition: var(--transition);
            letter-spacing: 0.01em;
        }

        .footer-col ul li a:hover {
            color: var(--amber);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding-top: 20px;
            border-top: 1px solid var(--border-panel);
            color: var(--text-muted);
            font-size: 12px;
            flex-wrap: wrap;
        }

        .legal-links {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 12px;
        }

        .legal-links a {
            color: var(--text-muted);
            transition: var(--transition);
        }

        .legal-links a:hover {
            color: var(--amber);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .container {
                padding: 0 var(--gap-tablet);
            }
            .main-nav {
                gap: 20px;
            }
            .main-nav a {
                font-size: 13px;
            }
            .page-hero-content h1 {
                font-size: 40px;
            }
            .process-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 var(--gap-mobile);
            }
            .main-nav {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .header-actions .btn-primary {
                display: none;
            }
            .header-actions .search-btn {
                display: none;
            }
            .page-hero-inner {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .page-hero-content h1 {
                font-size: 32px;
            }
            .hero-stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .case-featured-grid {
                grid-template-columns: 1fr;
            }
            .scenario-grid {
                grid-template-columns: 1fr 1fr;
            }
            .process-list {
                grid-template-columns: 1fr;
            }
            .cta-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
            .breadcrumb-section {
                padding-top: 100px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 12px;
            }
            .page-hero-content h1 {
                font-size: 28px;
            }
            .hero-stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .scenario-grid {
                grid-template-columns: 1fr;
            }
            .hero-cta-group {
                flex-direction: column;
                width: 100%;
            }
            .hero-cta-group .btn-primary,
            .hero-cta-group .btn-secondary {
                width: 100%;
                text-align: center;
            }
            .section h2 {
                font-size: 24px;
            }
            .cta-form-card {
                padding: 20px;
            }
            .comparison-table {
                font-size: 12px;
            }
            .comparison-table th,
            .comparison-table td {
                padding: 10px 8px;
            }
        }