/* roulang page: index */
:root {
            --color-primary: #1a1a2e;
            --color-primary-light: #252547;
            --color-secondary: #c8963e;
            --color-secondary-light: #dab866;
            --color-accent: #e0503b;
            --color-accent-hover: #c9402f;
            --color-bg: #faf8f5;
            --color-bg-alt: #f3efe8;
            --color-card: #ffffff;
            --color-text: #2c2c2c;
            --color-text-weak: #6b6b6b;
            --color-text-light: #999999;
            --color-border: #e5e0d8;
            --color-border-light: #f0ebe2;
            --color-success: #3a9d5e;
            --color-warning: #e8a840;
            --color-gold: #c8963e;
            --color-gold-light: #f5e6cc;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
            --shadow-gold: 0 4px 20px rgba(200, 150, 62, 0.3);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.4s ease;
            --max-width: 1200px;
            --nav-height: 68px;
            --bottom-bar-height: 60px;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            color: var(--color-text);
            background: var(--color-bg);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            min-height: 100vh;
            padding-bottom: var(--bottom-bar-height);
        }

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

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

        a:hover {
            color: var(--color-secondary);
        }

        button {
            cursor: pointer;
            font-family: inherit;
        }

        .container-custom {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: #ffffff;
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }

        .site-header .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .nav-logo {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.04em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--color-secondary), var(--color-secondary-light));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links li a {
            display: inline-block;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--color-text);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-links li a:hover,
        .nav-links li a.active {
            background: var(--color-primary);
            color: #ffffff;
        }

        .nav-lang-switch {
            display: flex;
            align-items: center;
            gap: 4px;
            margin-left: 12px;
            border: 1px solid var(--color-border);
            border-radius: 22px;
            padding: 3px;
            background: var(--color-bg-alt);
        }

        .nav-lang-switch span {
            padding: 5px 12px;
            border-radius: 18px;
            font-size: 0.8rem;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            color: var(--color-text-weak);
        }

        .nav-lang-switch span.active-lang {
            background: var(--color-primary);
            color: #fff;
        }

        .nav-lang-switch span:hover:not(.active-lang) {
            color: var(--color-text);
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-text);
            padding: 8px;
            cursor: pointer;
        }

        /* ========== HERO ========== */
        .hero-section {
            background: linear-gradient(170deg, #1a1a2e 0%, #1e2040 30%, #1a1a2e 60%, #161630 100%);
            position: relative;
            overflow: hidden;
            padding: 60px 0 50px;
            color: #ffffff;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.12;
            z-index: 0;
        }

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

        .hero-badge {
            display: inline-block;
            background: rgba(200, 150, 62, 0.2);
            border: 1px solid rgba(200, 150, 62, 0.4);
            color: var(--color-secondary-light);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 16px;
        }

        .hero-title {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
            color: #ffffff;
        }

        .hero-title .highlight {
            color: var(--color-secondary-light);
            position: relative;
        }

        .hero-subtitle {
            font-size: 1.08rem;
            color: rgba(255, 255, 255, 0.78);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 620px;
        }

        .hero-compare-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 20px;
        }

        .hero-compare-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            text-align: center;
            transition: all var(--transition-normal);
            position: relative;
            backdrop-filter: blur(4px);
        }

        .hero-compare-card:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.25);
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }

        .hero-compare-card.recommended {
            background: rgba(200, 150, 62, 0.15);
            border: 2px solid var(--color-secondary);
            box-shadow: var(--shadow-gold);
            transform: translateY(-8px);
            z-index: 2;
        }

        .hero-compare-card.recommended:hover {
            transform: translateY(-10px);
            box-shadow: 0 8px 36px rgba(200, 150, 62, 0.4);
        }

        .hero-compare-card .recommend-badge {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--color-secondary);
            color: #fff;
            padding: 5px 18px;
            border-radius: 14px;
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            white-space: nowrap;
            box-shadow: var(--shadow-gold);
        }

        .hero-compare-card .card-icon {
            font-size: 2.2rem;
            margin-bottom: 10px;
            color: var(--color-secondary-light);
        }

        .hero-compare-card .card-title {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: #ffffff;
        }

        .hero-compare-card .card-desc {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.5;
            margin-bottom: 14px;
        }

        .hero-compare-card .card-price {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-secondary-light);
            margin-bottom: 4px;
        }

        .hero-compare-card .card-price-sub {
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.5);
            margin-bottom: 14px;
        }

        .btn-hero {
            display: inline-block;
            padding: 11px 28px;
            border-radius: 24px;
            font-weight: 700;
            font-size: 0.9rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-fast);
            border: none;
            white-space: nowrap;
        }

        .btn-hero-primary {
            background: var(--color-accent);
            color: #fff;
            box-shadow: 0 4px 16px rgba(224, 80, 59, 0.35);
        }

        .btn-hero-primary:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 6px 22px rgba(224, 80, 59, 0.5);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-hero-outline {
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.5);
            color: #fff;
        }

        .btn-hero-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }

        .btn-hero-gold {
            background: linear-gradient(135deg, var(--color-secondary), var(--color-secondary-light));
            color: #fff;
            box-shadow: var(--shadow-gold);
        }

        .btn-hero-gold:hover {
            box-shadow: 0 6px 28px rgba(200, 150, 62, 0.5);
            transform: translateY(-2px);
            color: #fff;
        }

        /* ========== SECTIONS ========== */
        .section-block {
            padding: 56px 0;
        }

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

        .section-block.dark-bg {
            background: var(--color-primary);
            color: #ffffff;
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--color-secondary);
            margin-bottom: 8px;
        }

        .section-title {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 10px;
            line-height: 1.3;
            color: inherit;
        }

        .section-desc {
            font-size: 0.98rem;
            color: var(--color-text-weak);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 680px;
        }

        .dark-bg .section-desc {
            color: rgba(255, 255, 255, 0.7);
        }

        .dark-bg .section-title {
            color: #ffffff;
        }

        /* ========== CARDS ========== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 20px;
        }

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

        .card-grid.cols-4 {
            grid-template-columns: repeat(4, 1fr);
        }

        .info-card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            padding: 26px 22px;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            box-shadow: var(--shadow-sm);
            position: relative;
        }

        .info-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--color-border);
        }

        .info-card .card-icon-circle {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 14px;
            flex-shrink: 0;
        }

        .info-card .card-icon-circle.gold {
            background: var(--color-gold-light);
            color: var(--color-gold);
        }

        .info-card .card-icon-circle.blue {
            background: #e8eef8;
            color: #3b5f9e;
        }

        .info-card .card-icon-circle.green {
            background: #e6f4ea;
            color: #3a9d5e;
        }

        .info-card .card-icon-circle.red {
            background: #fde8e5;
            color: #e0503b;
        }

        .info-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--color-text);
        }

        .info-card p {
            font-size: 0.88rem;
            color: var(--color-text-weak);
            line-height: 1.6;
            margin: 0;
        }

        /* ========== ENTRY MATRIX ========== */
        .entry-matrix {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }

        .entry-matrix-item {
            background: var(--color-card);
            border-radius: var(--radius-md);
            padding: 20px 18px;
            display: flex;
            align-items: center;
            gap: 14px;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            cursor: pointer;
            text-decoration: none;
            color: var(--color-text);
        }

        .entry-matrix-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-secondary);
            transform: translateY(-2px);
            color: var(--color-text);
        }

        .entry-matrix-item .entry-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            flex-shrink: 0;
            background: var(--color-bg-alt);
            color: var(--color-primary);
        }

        .entry-matrix-item .entry-info h4 {
            font-size: 0.95rem;
            font-weight: 700;
            margin: 0 0 2px;
        }

        .entry-matrix-item .entry-info span {
            font-size: 0.78rem;
            color: var(--color-text-weak);
        }

        /* ========== HOT LIST ========== */
        .hot-list {
            list-style: none;
            padding: 0;
            margin: 0;
            counter-reset: hot-counter;
        }

        .hot-list li {
            counter-increment: hot-counter;
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 18px;
            background: var(--color-card);
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            position: relative;
        }

        .hot-list li:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-border);
            transform: translateX(4px);
        }

        .hot-list li::before {
            content: counter(hot-counter);
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            font-weight: 700;
            font-size: 0.85rem;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .hot-list li:nth-child(1)::before {
            background: var(--color-secondary);
        }
        .hot-list li:nth-child(2)::before {
            background: #d4885a;
        }
        .hot-list li:nth-child(3)::before {
            background: #b08060;
        }

        .hot-list .hot-info {
            flex: 1;
            min-width: 0;
        }

        .hot-list .hot-info h4 {
            font-size: 0.95rem;
            font-weight: 700;
            margin: 0 0 3px;
        }

        .hot-list .hot-info p {
            font-size: 0.8rem;
            color: var(--color-text-weak);
            margin: 0;
            line-height: 1.4;
        }

        .hot-list .btn-hot {
            padding: 7px 18px;
            border-radius: 18px;
            font-size: 0.8rem;
            font-weight: 600;
            background: var(--color-accent);
            color: #fff;
            border: none;
            white-space: nowrap;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }

        .hot-list .btn-hot:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 3px 12px rgba(224, 80, 59, 0.35);
            color: #fff;
        }

        /* ========== ZONE CARDS ========== */
        .zone-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .zone-card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            cursor: pointer;
        }

        .zone-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }

        .zone-card .zone-img {
            height: 150px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .zone-card .zone-img .zone-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(0, 0, 0, 0.6), transparent);
            display: flex;
            align-items: flex-end;
            padding: 14px;
        }

        .zone-card .zone-img .zone-tag {
            background: var(--color-secondary);
            color: #fff;
            padding: 4px 12px;
            border-radius: 12px;
            font-size: 0.75rem;
            font-weight: 700;
        }

        .zone-card .zone-body {
            padding: 16px;
        }

        .zone-card .zone-body h4 {
            font-size: 0.95rem;
            font-weight: 700;
            margin: 0 0 4px;
        }

        .zone-card .zone-body p {
            font-size: 0.8rem;
            color: var(--color-text-weak);
            margin: 0;
            line-height: 1.4;
        }

        /* ========== STEPS ========== */
        .steps-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .step-item {
            text-align: center;
            position: relative;
        }

        .step-item .step-number {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            font-weight: 800;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            position: relative;
            z-index: 1;
        }

        .step-item h4 {
            font-size: 0.98rem;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .step-item p {
            font-size: 0.82rem;
            color: var(--color-text-weak);
            line-height: 1.5;
            margin: 0;
        }

        /* ========== NEWS ========== */
        .news-layout {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: 28px;
            align-items: start;
        }

        .news-main-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .news-main-list li {
            padding: 16px 0;
            border-bottom: 1px solid var(--color-border-light);
            display: flex;
            gap: 14px;
            align-items: flex-start;
            transition: all var(--transition-fast);
        }

        .news-main-list li:hover {
            background: rgba(0, 0, 0, 0.015);
            padding-left: 8px;
            border-radius: 4px;
        }

        .news-date {
            font-size: 0.78rem;
            color: var(--color-text-light);
            white-space: nowrap;
            flex-shrink: 0;
            padding-top: 2px;
            min-width: 70px;
        }

        .news-content h4 {
            font-size: 0.95rem;
            font-weight: 700;
            margin: 0 0 4px;
            line-height: 1.4;
        }

        .news-content p {
            font-size: 0.82rem;
            color: var(--color-text-weak);
            margin: 0 0 6px;
            line-height: 1.5;
        }

        .news-content .btn-read-more {
            font-size: 0.78rem;
            color: var(--color-secondary);
            font-weight: 600;
            border: none;
            background: none;
            padding: 0;
            cursor: pointer;
            transition: color var(--transition-fast);
        }

        .news-content .btn-read-more:hover {
            color: var(--color-accent);
        }

        .news-sidebar {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            padding: 22px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
        }

        .news-sidebar h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 14px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--color-border-light);
        }

        .news-sidebar ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .news-sidebar ul li {
            padding: 9px 0;
            border-bottom: 1px dashed var(--color-border-light);
            font-size: 0.85rem;
            cursor: pointer;
            transition: color var(--transition-fast);
        }

        .news-sidebar ul li:hover {
            color: var(--color-secondary);
        }

        .news-sidebar ul li:last-child {
            border-bottom: none;
        }

        /* ========== REVIEW WALL ========== */
        .review-summary {
            display: flex;
            align-items: center;
            gap: 20px;
            margin-bottom: 24px;
            flex-wrap: wrap;
        }

        .review-score-big {
            font-size: 3.5rem;
            font-weight: 900;
            color: var(--color-secondary);
            line-height: 1;
        }

        .review-stars {
            color: #e8a840;
            font-size: 1.1rem;
            letter-spacing: 2px;
        }

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

        .review-card {
            background: var(--color-card);
            border-radius: var(--radius-md);
            padding: 20px;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
        }

        .review-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-border);
        }

        .review-card .reviewer {
            font-weight: 700;
            font-size: 0.9rem;
            margin-bottom: 4px;
        }

        .review-card .review-text {
            font-size: 0.84rem;
            color: var(--color-text-weak);
            line-height: 1.6;
            margin-bottom: 8px;
        }

        .review-card .review-stars-sm {
            color: #e8a840;
            font-size: 0.8rem;
        }

        /* ========== FAQ ========== */
        .faq-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .faq-list li {
            background: var(--color-card);
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-list li:hover {
            border-color: var(--color-border);
            box-shadow: var(--shadow-sm);
        }

        .faq-list details {
            cursor: pointer;
        }

        .faq-list summary {
            padding: 18px 22px;
            font-weight: 700;
            font-size: 0.95rem;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
        }

        .faq-list summary::-webkit-details-marker {
            display: none;
        }

        .faq-list summary::after {
            content: '+';
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-secondary);
            transition: transform var(--transition-fast);
        }

        .faq-list details[open] summary::after {
            content: '−';
            transform: rotate(180deg);
        }

        .faq-list .faq-answer {
            padding: 0 22px 18px;
            font-size: 0.88rem;
            color: var(--color-text-weak);
            line-height: 1.7;
        }

        /* ========== CTA DOWNLOAD ========== */
        .cta-download-section {
            background: linear-gradient(135deg, #1a1a2e 0%, #252547 100%);
            padding: 48px 0;
            color: #ffffff;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-download-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.08;
            z-index: 0;
        }

        .cta-download-section .container-custom {
            position: relative;
            z-index: 1;
        }

        .cta-download-form {
            display: flex;
            gap: 10px;
            max-width: 500px;
            margin: 20px auto 0;
            flex-wrap: wrap;
            justify-content: center;
        }

        .cta-download-form input {
            flex: 1;
            min-width: 200px;
            padding: 12px 18px;
            border-radius: 24px;
            border: 2px solid rgba(255, 255, 255, 0.3);
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            font-size: 0.9rem;
            outline: none;
            transition: all var(--transition-fast);
        }

        .cta-download-form input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }

        .cta-download-form input:focus {
            border-color: var(--color-secondary);
            background: rgba(255, 255, 255, 0.18);
        }

        .btn-download-cta {
            padding: 12px 28px;
            border-radius: 24px;
            font-weight: 700;
            font-size: 0.9rem;
            background: var(--color-accent);
            color: #fff;
            border: none;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-download-cta:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 6px 22px rgba(224, 80, 59, 0.5);
            color: #fff;
        }

        /* ========== BOTTOM FIXED BAR ========== */
        .bottom-fixed-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: #ffffff;
            border-top: 2px solid var(--color-border-light);
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
            z-index: 999;
            padding: 10px 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            height: var(--bottom-bar-height);
        }

        .bottom-fixed-bar .bar-text {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--color-text);
        }

        .bottom-fixed-bar .bar-highlight {
            color: var(--color-accent);
            font-weight: 800;
        }

        .btn-bar-cta {
            padding: 9px 24px;
            border-radius: 22px;
            font-weight: 700;
            font-size: 0.85rem;
            background: var(--color-accent);
            color: #fff;
            border: none;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-bar-cta:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 4px 16px rgba(224, 80, 59, 0.4);
            color: #fff;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #14142a;
            color: rgba(255, 255, 255, 0.7);
            padding: 40px 0 24px;
            font-size: 0.85rem;
            line-height: 1.8;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            margin-bottom: 28px;
        }

        .footer-grid h4 {
            color: #ffffff;
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .footer-grid ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-grid ul li {
            margin-bottom: 4px;
        }

        .footer-grid ul li a {
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition-fast);
            font-size: 0.82rem;
        }

        .footer-grid ul li a:hover {
            color: var(--color-secondary-light);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 18px;
            text-align: center;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
        }

        .footer-bottom a:hover {
            color: var(--color-secondary-light);
        }

        .footer-bottom .footer-links-row {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: 8px;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-compare-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 14px;
            }

            .hero-title {
                font-size: 2.2rem;
            }

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

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

            .card-grid.cols-4 {
                grid-template-columns: repeat(2, 1fr);
            }

            .card-grid.cols-2 {
                grid-template-columns: 1fr;
            }

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

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

            .news-layout {
                grid-template-columns: 1fr;
            }

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

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #ffffff;
                flex-direction: column;
                padding: 16px;
                border-bottom: 2px solid var(--color-border);
                box-shadow: var(--shadow-md);
                z-index: 999;
            }

            .nav-links.open {
                display: flex;
            }

            .nav-links li a {
                display: block;
                padding: 10px 16px;
                border-radius: 8px;
                text-align: center;
            }

            .nav-lang-switch {
                margin-left: 0;
                margin-top: 8px;
                justify-content: center;
            }

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

            .hero-compare-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .hero-compare-card.recommended {
                transform: translateY(0);
            }

            .hero-compare-card.recommended:hover {
                transform: translateY(-4px);
            }

            .hero-title {
                font-size: 1.7rem;
            }

            .hero-subtitle {
                font-size: 0.9rem;
            }

            .zone-grid {
                grid-template-columns: 1fr 1fr;
            }

            .entry-matrix {
                grid-template-columns: 1fr;
            }

            .card-grid {
                grid-template-columns: 1fr;
            }

            .card-grid.cols-4 {
                grid-template-columns: 1fr 1fr;
            }

            .steps-row {
                grid-template-columns: 1fr 1fr;
            }

            .review-grid {
                grid-template-columns: 1fr;
            }

            .section-title {
                font-size: 1.4rem;
            }

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

            .bottom-fixed-bar {
                flex-wrap: wrap;
                gap: 8px;
                height: auto;
                padding: 10px 14px;
                text-align: center;
            }

            body {
                padding-bottom: 80px;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.4rem;
            }

            .hero-subtitle {
                font-size: 0.82rem;
            }

            .zone-grid {
                grid-template-columns: 1fr;
            }

            .card-grid.cols-4 {
                grid-template-columns: 1fr;
            }

            .steps-row {
                grid-template-columns: 1fr;
            }

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

            .section-block {
                padding: 36px 0;
            }

            .section-title {
                font-size: 1.2rem;
            }

            .cta-download-form {
                flex-direction: column;
                align-items: center;
            }

            .cta-download-form input {
                width: 100%;
            }
        }

/* roulang page: category3 */
:root {
            --color-primary: #1a1a2e;
            --color-primary-light: #252547;
            --color-secondary: #c8963e;
            --color-secondary-light: #dab866;
            --color-accent: #e0503b;
            --color-accent-hover: #c9402f;
            --color-bg: #faf8f5;
            --color-bg-alt: #f3efe8;
            --color-card: #ffffff;
            --color-text: #2c2c2c;
            --color-text-weak: #6b6b6b;
            --color-text-light: #999999;
            --color-border: #e5e0d8;
            --color-border-light: #f0ebe2;
            --color-success: #3a9d5e;
            --color-warning: #e8a840;
            --color-gold: #c8963e;
            --color-gold-light: #f5e6cc;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
            --shadow-gold: 0 4px 20px rgba(200, 150, 62, 0.3);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.4s ease;
            --max-width: 1200px;
            --nav-height: 68px;
            --bottom-bar-height: 60px;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            color: var(--color-text);
            background: var(--color-bg);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            min-height: 100vh;
            padding-bottom: 0;
        }

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

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

        a:hover {
            color: var(--color-secondary);
        }

        button {
            cursor: pointer;
            font-family: inherit;
        }

        .container-custom {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: #ffffff;
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }

        .site-header .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .nav-logo {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.04em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--color-secondary), var(--color-secondary-light));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links li a {
            display: inline-block;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--color-text);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-links li a:hover,
        .nav-links li a.active {
            background: var(--color-primary);
            color: #ffffff;
        }

        .nav-lang-switch {
            display: flex;
            align-items: center;
            gap: 4px;
            margin-left: 12px;
            border: 1px solid var(--color-border);
            border-radius: 22px;
            padding: 3px;
            background: var(--color-bg-alt);
        }

        .nav-lang-switch span {
            padding: 5px 12px;
            border-radius: 18px;
            font-size: 0.8rem;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            color: var(--color-text-weak);
        }

        .nav-lang-switch span.active-lang {
            background: var(--color-primary);
            color: #fff;
        }

        .nav-lang-switch span:hover:not(.active-lang) {
            color: var(--color-text);
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-text);
            padding: 8px;
            cursor: pointer;
        }

        /* ========== PAGE BANNER ========== */
        .page-banner {
            position: relative;
            min-height: 380px;
            display: flex;
            align-items: center;
            background: var(--color-primary);
            overflow: hidden;
        }

        .page-banner .banner-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            opacity: 0.35;
            z-index: 0;
        }

        .page-banner .banner-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(26, 26, 46, 0.7) 0%, rgba(26, 26, 46, 0.9) 100%);
            z-index: 1;
        }

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

        .page-banner .banner-label {
            display: inline-block;
            background: var(--color-secondary);
            color: #fff;
            padding: 6px 18px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 16px;
        }

        .page-banner h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: #ffffff;
            margin: 0 0 16px;
            line-height: 1.25;
            letter-spacing: 0.02em;
        }

        .page-banner .banner-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 600px;
            line-height: 1.7;
            margin: 0;
        }

        /* ========== SECTION COMMONS ========== */
        .section-padding {
            padding: 70px 0;
        }

        .section-padding-sm {
            padding: 50px 0;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-weak);
            margin-bottom: 40px;
            max-width: 650px;
            line-height: 1.6;
        }

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

        .section-header .section-title {
            margin-bottom: 10px;
        }

        .section-header .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        /* ========== CARDS ========== */
        .card-guide {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-normal);
            height: 100%;
            display: flex;
            flex-direction: column;
            border: 1px solid var(--color-border-light);
        }

        .card-guide:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: var(--color-secondary);
        }

        .card-guide .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: var(--color-bg-alt);
        }

        .card-guide .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .card-guide:hover .card-img-wrap img {
            transform: scale(1.06);
        }

        .card-guide .card-img-wrap .card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--color-accent);
            color: #fff;
            padding: 4px 12px;
            border-radius: 14px;
            font-size: 0.78rem;
            font-weight: 600;
            z-index: 2;
        }

        .card-guide .card-body {
            padding: 20px 22px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .card-guide .card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin: 0 0 8px;
            color: var(--color-primary);
            line-height: 1.4;
        }

        .card-guide .card-body p {
            font-size: 0.9rem;
            color: var(--color-text-weak);
            margin: 0 0 16px;
            flex: 1;
            line-height: 1.6;
        }

        .card-guide .card-body .card-meta {
            font-size: 0.8rem;
            color: var(--color-text-light);
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        .card-guide .card-body .card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* ========== SKILL CATEGORY CARDS ========== */
        .skill-cat-card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            border: 1px solid var(--color-border-light);
            height: 100%;
            cursor: pointer;
        }

        .skill-cat-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--color-secondary);
        }

        .skill-cat-card .cat-icon {
            width: 60px;
            height: 60px;
            margin: 0 auto 16px;
            background: var(--color-gold-light);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--color-secondary);
            transition: all var(--transition-normal);
        }

        .skill-cat-card:hover .cat-icon {
            background: var(--color-secondary);
            color: #fff;
            transform: scale(1.08);
        }

        .skill-cat-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 6px;
        }

        .skill-cat-card p {
            font-size: 0.85rem;
            color: var(--color-text-weak);
            margin: 0;
            line-height: 1.5;
        }

        /* ========== STEP FLOW ========== */
        .step-flow {
            display: flex;
            flex-wrap: wrap;
            gap: 0;
            position: relative;
        }

        .step-item {
            flex: 1;
            min-width: 200px;
            text-align: center;
            padding: 24px 16px;
            position: relative;
        }

        .step-item .step-number {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            font-size: 1.3rem;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            position: relative;
            z-index: 2;
            transition: all var(--transition-normal);
        }

        .step-item:hover .step-number {
            background: var(--color-secondary);
            box-shadow: var(--shadow-gold);
            transform: scale(1.1);
        }

        .step-item h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 6px;
        }

        .step-item p {
            font-size: 0.85rem;
            color: var(--color-text-weak);
            margin: 0;
            line-height: 1.5;
        }

        .step-connector {
            display: none;
            position: absolute;
            top: 50px;
            left: 60%;
            width: 40%;
            height: 2px;
            background: var(--color-border);
            z-index: 1;
        }

        /* ========== STATS BLOCK ========== */
        .stats-block {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            justify-content: center;
        }

        .stat-item {
            flex: 1;
            min-width: 160px;
            text-align: center;
            background: var(--color-card);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
        }

        .stat-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--color-secondary);
        }

        .stat-item .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--color-secondary);
            line-height: 1;
            margin-bottom: 6px;
        }

        .stat-item .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-weak);
            font-weight: 500;
        }

        /* ========== FEATURE HIGHLIGHT ========== */
        .feature-highlight {
            background: var(--color-card);
            border-radius: var(--radius-xl);
            padding: 36px 32px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            display: flex;
            align-items: flex-start;
            gap: 20px;
            transition: all var(--transition-normal);
            height: 100%;
        }

        .feature-highlight:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--color-secondary);
        }

        .feature-highlight .fh-icon {
            width: 50px;
            height: 50px;
            border-radius: var(--radius-md);
            background: var(--color-gold-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--color-secondary);
            flex-shrink: 0;
            transition: all var(--transition-normal);
        }

        .feature-highlight:hover .fh-icon {
            background: var(--color-secondary);
            color: #fff;
        }

        .feature-highlight .fh-content h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 6px;
        }

        .feature-highlight .fh-content p {
            font-size: 0.88rem;
            color: var(--color-text-weak);
            margin: 0;
            line-height: 1.6;
        }

        /* ========== FAQ ========== */
        .faq-section-wrap {
            background: var(--color-bg-alt);
            border-radius: var(--radius-xl);
            padding: 50px 40px;
        }

        .faq-item {
            background: var(--color-card);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            margin-bottom: 12px;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .faq-item:hover {
            border-color: var(--color-secondary);
            box-shadow: var(--shadow-sm);
        }

        .faq-item .faq-question {
            font-weight: 700;
            font-size: 1.02rem;
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }

        .faq-item .faq-question i {
            color: var(--color-secondary);
            font-size: 0.9rem;
            transition: transform var(--transition-fast);
        }

        .faq-item .faq-answer {
            margin-top: 10px;
            font-size: 0.9rem;
            color: var(--color-text-weak);
            line-height: 1.7;
            display: none;
            padding-top: 10px;
            border-top: 1px solid var(--color-border-light);
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: var(--color-primary);
            border-radius: var(--radius-xl);
            padding: 50px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(200, 150, 62, 0.15);
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 140px;
            height: 140px;
            border-radius: 50%;
            background: rgba(200, 150, 62, 0.1);
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            color: #ffffff;
            margin: 0 0 12px;
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.8);
            margin: 0 auto 28px;
            max-width: 550px;
            position: relative;
            z-index: 1;
            line-height: 1.6;
        }

        .btn-primary {
            display: inline-block;
            padding: 14px 32px;
            background: var(--color-secondary);
            color: #fff;
            border-radius: 28px;
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-normal);
            border: none;
            position: relative;
            z-index: 1;
            box-shadow: var(--shadow-gold);
        }

        .btn-primary:hover {
            background: var(--color-secondary-light);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(200, 150, 62, 0.4);
        }

        .btn-outline {
            display: inline-block;
            padding: 12px 28px;
            background: transparent;
            color: var(--color-secondary);
            border: 2px solid var(--color-secondary);
            border-radius: 28px;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-normal);
        }

        .btn-outline:hover {
            background: var(--color-secondary);
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-accent {
            display: inline-block;
            padding: 13px 30px;
            background: var(--color-accent);
            color: #fff;
            border-radius: 28px;
            font-weight: 700;
            font-size: 0.95rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-normal);
            border: none;
        }

        .btn-accent:hover {
            background: var(--color-accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 22px rgba(224, 80, 59, 0.35);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.8);
            padding: 50px 0 0;
            margin-top: 0;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
        }

        .site-footer .footer-grid h4 {
            color: #ffffff;
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }

        .site-footer .footer-grid ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .site-footer .footer-grid ul li {
            margin-bottom: 8px;
            font-size: 0.88rem;
        }

        .site-footer .footer-grid ul li a {
            color: rgba(255, 255, 255, 0.7);
            transition: color var(--transition-fast);
        }

        .site-footer .footer-grid ul li a:hover {
            color: var(--color-secondary);
        }

        .site-footer .footer-bottom {
            padding: 24px 0 30px;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.5);
            line-height: 1.8;
        }

        .site-footer .footer-links-row {
            margin-bottom: 10px;
        }

        .site-footer .footer-links-row a {
            color: rgba(255, 255, 255, 0.6);
            margin: 0 6px;
            transition: color var(--transition-fast);
        }

        .site-footer .footer-links-row a:hover {
            color: var(--color-secondary);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .page-banner h1 {
                font-size: 2.2rem;
            }
            .page-banner {
                min-height: 300px;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .site-footer .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .step-connector {
                display: none;
            }
            .step-item {
                min-width: 150px;
                flex: 1 1 45%;
            }
            .stats-block {
                gap: 14px;
            }
            .stat-item {
                min-width: 130px;
                flex: 1 1 40%;
            }
            .stat-item .stat-number {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #ffffff;
                flex-direction: column;
                padding: 16px;
                box-shadow: var(--shadow-lg);
                border-bottom: 2px solid var(--color-border);
                z-index: 999;
            }
            .nav-links.show {
                display: flex;
            }
            .nav-links li a {
                display: block;
                padding: 12px 16px;
                border-radius: var(--radius-sm);
                text-align: center;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .nav-lang-switch {
                margin-left: 0;
            }
            .page-banner {
                min-height: 260px;
            }
            .page-banner h1 {
                font-size: 1.7rem;
            }
            .page-banner .banner-subtitle {
                font-size: 0.95rem;
            }
            .section-padding {
                padding: 44px 0;
            }
            .section-padding-sm {
                padding: 32px 0;
            }
            .section-title {
                font-size: 1.45rem;
            }
            .section-subtitle {
                font-size: 0.9rem;
                margin-bottom: 28px;
            }
            .section-header {
                margin-bottom: 32px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .step-item {
                flex: 1 1 100%;
                min-width: 100%;
            }
            .feature-highlight {
                flex-direction: column;
                align-items: center;
                text-align: center;
                padding: 24px 20px;
            }
            .cta-section {
                padding: 36px 22px;
                border-radius: var(--radius-lg);
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .faq-section-wrap {
                padding: 30px 20px;
                border-radius: var(--radius-lg);
            }
            .stats-block {
                gap: 10px;
            }
            .stat-item {
                min-width: 120px;
                flex: 1 1 44%;
                padding: 20px 14px;
            }
            .stat-item .stat-number {
                font-size: 1.8rem;
            }
            .card-guide .card-body {
                padding: 16px;
            }
            .card-guide .card-body h3 {
                font-size: 1rem;
            }
        }

        @media (max-width: 520px) {
            .page-banner {
                min-height: 220px;
            }
            .page-banner h1 {
                font-size: 1.4rem;
            }
            .page-banner .banner-subtitle {
                font-size: 0.85rem;
            }
            .page-banner .banner-content {
                padding: 40px 0;
            }
            .section-padding {
                padding: 34px 0;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .stat-item {
                flex: 1 1 100%;
                min-width: 100%;
            }
            .skill-cat-card {
                padding: 20px 16px;
            }
            .nav-logo {
                font-size: 1.15rem;
            }
            .nav-logo .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 0.9rem;
            }
            .btn-primary,
            .btn-accent,
            .btn-outline {
                padding: 11px 22px;
                font-size: 0.88rem;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #1a1a2e;
            --color-primary-light: #252547;
            --color-secondary: #c8963e;
            --color-secondary-light: #dab866;
            --color-accent: #e0503b;
            --color-accent-hover: #c9402f;
            --color-bg: #faf8f5;
            --color-bg-alt: #f3efe8;
            --color-card: #ffffff;
            --color-text: #2c2c2c;
            --color-text-weak: #6b6b6b;
            --color-text-light: #999999;
            --color-border: #e5e0d8;
            --color-border-light: #f0ebe2;
            --color-success: #3a9d5e;
            --color-warning: #e8a840;
            --color-gold: #c8963e;
            --color-gold-light: #f5e6cc;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
            --shadow-gold: 0 4px 20px rgba(200, 150, 62, 0.3);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.4s ease;
            --max-width: 1200px;
            --nav-height: 68px;
            --bottom-bar-height: 60px;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            color: var(--color-text);
            background: var(--color-bg);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            min-height: 100vh;
            padding-bottom: var(--bottom-bar-height);
        }

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

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

        a:hover {
            color: var(--color-secondary);
        }

        button {
            cursor: pointer;
            font-family: inherit;
        }

        .container-custom {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

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

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: #ffffff;
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }

        .site-header .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .nav-logo {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.04em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--color-secondary), var(--color-secondary-light));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links li a {
            display: inline-block;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--color-text);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-links li a:hover,
        .nav-links li a.active {
            background: var(--color-primary);
            color: #ffffff;
        }

        .nav-lang-switch {
            display: flex;
            align-items: center;
            gap: 4px;
            margin-left: 12px;
            border: 1px solid var(--color-border);
            border-radius: 22px;
            padding: 3px;
            background: var(--color-bg-alt);
        }

        .nav-lang-switch span {
            padding: 5px 12px;
            border-radius: 18px;
            font-size: 0.8rem;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            color: var(--color-text-weak);
        }

        .nav-lang-switch span.active-lang {
            background: var(--color-primary);
            color: #fff;
        }

        .nav-lang-switch span:hover:not(.active-lang) {
            color: var(--color-text);
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-text);
            padding: 8px;
            cursor: pointer;
        }

        /* ========== SECTION COMMONS ========== */
        .section-padding {
            padding: 64px 0;
        }

        .section-padding-lg {
            padding: 80px 0;
        }

        .section-padding-sm {
            padding: 40px 0;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
            letter-spacing: 0.02em;
            line-height: 1.35;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-weak);
            margin-bottom: 32px;
            max-width: 640px;
            line-height: 1.6;
        }

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

        .section-header .section-title {
            margin-bottom: 10px;
        }

        .section-header .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        .divider-gold {
            width: 48px;
            height: 3px;
            background: var(--color-secondary);
            border-radius: 2px;
            margin: 0 auto 16px;
        }

        .divider-gold-left {
            width: 48px;
            height: 3px;
            background: var(--color-secondary);
            border-radius: 2px;
            margin-bottom: 16px;
        }

        /* ========== BUTTONS ========== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-accent);
            color: #fff;
            padding: 12px 28px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 0.95rem;
            border: none;
            transition: all var(--transition-normal);
            box-shadow: 0 4px 14px rgba(224, 80, 59, 0.3);
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: var(--color-accent-hover);
            color: #fff;
            box-shadow: 0 6px 22px rgba(224, 80, 59, 0.4);
            transform: translateY(-1px);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-primary);
            color: #fff;
            padding: 12px 28px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 0.95rem;
            border: none;
            transition: all var(--transition-normal);
            box-shadow: 0 4px 14px rgba(26, 26, 46, 0.3);
            white-space: nowrap;
        }

        .btn-secondary:hover {
            background: var(--color-primary-light);
            color: #fff;
            box-shadow: 0 6px 22px rgba(26, 26, 46, 0.4);
            transform: translateY(-1px);
        }

        .btn-outline-gold {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--color-secondary);
            padding: 11px 26px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 0.95rem;
            border: 2px solid var(--color-secondary);
            transition: all var(--transition-normal);
            white-space: nowrap;
        }

        .btn-outline-gold:hover {
            background: var(--color-secondary);
            color: #fff;
            box-shadow: var(--shadow-gold);
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #ffffff;
            padding: 11px 26px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 0.95rem;
            border: 2px solid rgba(255, 255, 255, 0.5);
            transition: all var(--transition-normal);
            white-space: nowrap;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            color: #fff;
        }

        /* ========== CARDS ========== */
        .card-base {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            overflow: hidden;
        }

        .card-base:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .card-hover-lift {
            transition: all var(--transition-normal);
        }

        .card-hover-lift:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }

        /* ========== BADGE / TAG ========== */
        .badge-gold {
            display: inline-block;
            background: var(--color-gold-light);
            color: var(--color-secondary);
            padding: 4px 12px;
            border-radius: 14px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.02em;
        }

        .badge-accent {
            display: inline-block;
            background: #fde8e5;
            color: var(--color-accent);
            padding: 4px 12px;
            border-radius: 14px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.02em;
        }

        .badge-success {
            display: inline-block;
            background: #e6f4ea;
            color: var(--color-success);
            padding: 4px 12px;
            border-radius: 14px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.02em;
        }

        /* ========== HERO - 白皮书获客 ========== */
        .hero-events {
            position: relative;
            background: linear-gradient(160deg, #1a1a2e 0%, #1f1f38 30%, #252547 60%, #1a1a2e 100%);
            color: #ffffff;
            padding: 80px 0;
            overflow: hidden;
        }

        .hero-events::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            z-index: 0;
        }

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

        .hero-events-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .hero-book-cover {
            background: #ffffff;
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-xl);
            overflow: hidden;
            position: relative;
            max-width: 420px;
            margin: 0 auto;
        }

        .hero-book-cover img {
            width: 100%;
            aspect-ratio: 4/5;
            object-fit: cover;
            display: block;
        }

        .hero-book-cover .cover-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(transparent, rgba(26, 26, 46, 0.85));
            padding: 32px 20px 20px;
            color: #fff;
            text-align: center;
        }

        .hero-book-cover .cover-overlay h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin: 0 0 4px;
            color: #fff;
        }

        .hero-book-cover .cover-overlay p {
            font-size: 0.85rem;
            margin: 0;
            opacity: 0.9;
            color: #fff;
        }

        .hero-text-block h1 {
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 16px;
            color: #ffffff;
            letter-spacing: 0.03em;
        }

        .hero-text-block h1 .highlight {
            color: var(--color-secondary-light);
            position: relative;
        }

        .hero-text-block .hero-desc {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 20px;
            line-height: 1.6;
        }

        .hero-toc-list {
            list-style: none;
            margin: 0 0 24px;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .hero-toc-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.92rem;
            color: rgba(255, 255, 255, 0.85);
            padding: 6px 0;
        }

        .hero-toc-list li i {
            color: var(--color-secondary-light);
            font-size: 0.8rem;
            flex-shrink: 0;
        }

        .hero-form-inline {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 8px;
        }

        .hero-form-inline input {
            flex: 1;
            min-width: 160px;
            padding: 12px 16px;
            border-radius: 28px;
            border: 2px solid rgba(255, 255, 255, 0.25);
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            font-size: 0.9rem;
            font-family: inherit;
            transition: all var(--transition-fast);
            outline: none;
        }

        .hero-form-inline input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }

        .hero-form-inline input:focus {
            border-color: var(--color-secondary-light);
            background: rgba(255, 255, 255, 0.14);
            box-shadow: 0 0 0 4px rgba(200, 150, 62, 0.15);
        }

        /* ========== FEATURES SECTION ========== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .feature-card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            text-align: center;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
        }

        .feature-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--color-secondary);
        }

        .feature-card .feature-icon {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--color-gold-light);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 1.4rem;
            color: var(--color-secondary);
            transition: all var(--transition-normal);
        }

        .feature-card:hover .feature-icon {
            background: var(--color-secondary);
            color: #fff;
            box-shadow: var(--shadow-gold);
        }

        .feature-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 6px;
        }

        .feature-card p {
            font-size: 0.88rem;
            color: var(--color-text-weak);
            margin: 0;
            line-height: 1.5;
        }

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

        .event-type-card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
        }

        .event-type-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .event-type-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/10;
        }

        .event-type-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .event-type-card:hover .card-img-wrap img {
            transform: scale(1.05);
        }

        .event-type-card .card-img-wrap .card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
        }

        .event-type-card .card-body {
            padding: 20px;
        }

        .event-type-card .card-body h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 6px;
        }

        .event-type-card .card-body p {
            font-size: 0.88rem;
            color: var(--color-text-weak);
            margin: 0 0 12px;
            line-height: 1.5;
        }

        .event-type-card .card-body .card-meta {
            display: flex;
            gap: 16px;
            font-size: 0.8rem;
            color: var(--color-text-light);
            flex-wrap: wrap;
        }

        .event-type-card .card-body .card-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        /* ========== REVIEW / HIGHLIGHTS ========== */
        .review-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .review-card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            display: flex;
            transition: all var(--transition-normal);
        }

        .review-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .review-card .review-img {
            width: 160px;
            flex-shrink: 0;
            overflow: hidden;
        }

        .review-card .review-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 140px;
        }

        .review-card .review-body {
            padding: 18px 20px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .review-card .review-body h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 4px;
        }

        .review-card .review-body p {
            font-size: 0.85rem;
            color: var(--color-text-weak);
            margin: 0 0 8px;
            line-height: 1.5;
        }

        .review-card .review-body .review-date {
            font-size: 0.78rem;
            color: var(--color-text-light);
        }

        /* ========== PROCESS / TIMELINE ========== */
        .process-timeline {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .process-step {
            text-align: center;
            position: relative;
            padding: 24px 16px;
            background: var(--color-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
        }

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

        .process-step .step-number {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
            margin: 0 auto 12px;
        }

        .process-step h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 4px;
        }

        .process-step p {
            font-size: 0.84rem;
            color: var(--color-text-weak);
            margin: 0;
            line-height: 1.5;
        }

        /* ========== STATS ========== */
        .stats-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stat-item {
            text-align: center;
            background: var(--color-card);
            border-radius: var(--radius-lg);
            padding: 28px 16px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
        }

        .stat-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .stat-item .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--color-secondary);
            line-height: 1.1;
            margin-bottom: 4px;
        }

        .stat-item .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-weak);
        }

        /* ========== PRIZE SECTION ========== */
        .prize-showcase {
            background: var(--color-bg-alt);
            border-radius: var(--radius-xl);
            padding: 40px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
            border: 1px solid var(--color-border-light);
        }

        .prize-showcase .prize-img-wrap {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }

        .prize-showcase .prize-img-wrap img {
            width: 100%;
            aspect-ratio: 4/3;
            object-fit: cover;
        }

        .prize-showcase .prize-info h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
        }

        .prize-showcase .prize-info .prize-amount {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--color-secondary);
            line-height: 1.1;
            margin-bottom: 12px;
        }

        .prize-showcase .prize-info p {
            font-size: 0.95rem;
            color: var(--color-text-weak);
            margin-bottom: 16px;
            line-height: 1.6;
        }

        .prize-showcase .prize-info .prize-list {
            list-style: none;
            margin: 0 0 20px;
            padding: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .prize-showcase .prize-info .prize-list li {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.88rem;
            color: var(--color-text);
            background: #fff;
            padding: 8px 14px;
            border-radius: 20px;
            border: 1px solid var(--color-border-light);
        }

        .prize-showcase .prize-info .prize-list li i {
            color: var(--color-secondary);
            font-size: 0.75rem;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--color-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-sm);
        }

        .faq-item:hover {
            border-color: var(--color-border);
            box-shadow: var(--shadow-md);
        }

        .faq-item .faq-question {
            padding: 18px 22px;
            font-weight: 600;
            font-size: 0.98rem;
            color: var(--color-primary);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            user-select: none;
            transition: color var(--transition-fast);
        }

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

        .faq-item .faq-question i {
            font-size: 0.8rem;
            color: var(--color-text-light);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }

        .faq-item .faq-answer {
            padding: 0 22px 18px;
            font-size: 0.9rem;
            color: var(--color-text-weak);
            line-height: 1.6;
            display: none;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--color-secondary);
        }

        .faq-item.open {
            border-color: var(--color-secondary);
            box-shadow: var(--shadow-gold);
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            color: #ffffff;
            padding: 64px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.1;
            z-index: 0;
        }

        .cta-section .container-custom {
            position: relative;
            z-index: 1;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: #fff;
        }

        .cta-section p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 24px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-section .cta-buttons {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1a1a2e;
            color: rgba(255, 255, 255, 0.75);
            padding: 48px 0 32px;
            margin-top: 0;
        }

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

        .site-footer h4 {
            color: #ffffff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }

        .site-footer ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .site-footer ul li {
            font-size: 0.88rem;
        }

        .site-footer ul li a {
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition-fast);
        }

        .site-footer ul li a:hover {
            color: var(--color-secondary-light);
        }

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.45);
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .site-footer .footer-links-row {
            display: flex;
            gap: 8px;
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: 4px;
        }

        .site-footer .footer-links-row a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.82rem;
            transition: color var(--transition-fast);
        }

        .site-footer .footer-links-row a:hover {
            color: var(--color-secondary-light);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-events-content {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .hero-book-cover {
                max-width: 300px;
                margin: 0 auto;
            }

            .hero-text-block h1 {
                font-size: 1.9rem;
                text-align: center;
            }

            .hero-text-block .hero-desc {
                text-align: center;
            }

            .hero-toc-list {
                align-items: center;
            }

            .hero-form-inline {
                justify-content: center;
            }

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

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

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

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

            .prize-showcase {
                grid-template-columns: 1fr;
                padding: 28px;
            }

            .review-grid {
                grid-template-columns: 1fr;
            }

            .review-card {
                flex-direction: row;
            }

            .review-card .review-img {
                width: 120px;
            }

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

            .section-title {
                font-size: 1.6rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #ffffff;
                flex-direction: column;
                padding: 12px 16px;
                gap: 2px;
                border-bottom: 1px solid var(--color-border-light);
                box-shadow: var(--shadow-md);
                z-index: 999;
            }

            .nav-links.show {
                display: flex;
            }

            .nav-links li a {
                display: block;
                padding: 10px 16px;
                border-radius: var(--radius-sm);
                width: 100%;
                text-align: left;
            }

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

            .nav-lang-switch {
                margin-left: auto;
                margin-right: 8px;
            }

            .hero-events {
                padding: 48px 0;
            }

            .hero-text-block h1 {
                font-size: 1.5rem;
            }

            .features-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .feature-card {
                padding: 20px 14px;
            }

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

            .review-card {
                flex-direction: column;
            }

            .review-card .review-img {
                width: 100%;
                height: 160px;
            }

            .process-timeline {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .stats-bar {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .stat-item .stat-number {
                font-size: 1.8rem;
            }

            .prize-showcase {
                padding: 20px;
                gap: 20px;
            }

            .prize-showcase .prize-info .prize-amount {
                font-size: 2rem;
            }

            .section-padding {
                padding: 40px 0;
            }

            .section-padding-lg {
                padding: 48px 0;
            }

            .section-title {
                font-size: 1.4rem;
            }

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

            .cta-section h2 {
                font-size: 1.5rem;
            }

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

            .hero-form-inline input {
                width: 100%;
            }

            .hero-form-inline .btn-primary {
                width: 100%;
                justify-content: center;
            }
        }

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

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

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

            .stat-item {
                padding: 20px 12px;
            }

            .stat-item .stat-number {
                font-size: 1.5rem;
            }

            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }

            .hero-book-cover {
                max-width: 240px;
            }

            .hero-text-block h1 {
                font-size: 1.3rem;
            }

            .section-title {
                font-size: 1.25rem;
            }

            .prize-showcase .prize-info .prize-list {
                flex-direction: column;
                gap: 6px;
            }

            .cta-section .cta-buttons {
                flex-direction: column;
                align-items: center;
                gap: 10px;
            }

            .cta-section .cta-buttons .btn-primary,
            .cta-section .cta-buttons .btn-outline-light {
                width: 100%;
                justify-content: center;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #1a1a2e;
            --color-primary-light: #252547;
            --color-secondary: #c8963e;
            --color-secondary-light: #dab866;
            --color-accent: #e0503b;
            --color-accent-hover: #c9402f;
            --color-bg: #faf8f5;
            --color-bg-alt: #f3efe8;
            --color-card: #ffffff;
            --color-text: #2c2c2c;
            --color-text-weak: #6b6b6b;
            --color-text-light: #999999;
            --color-border: #e5e0d8;
            --color-border-light: #f0ebe2;
            --color-success: #3a9d5e;
            --color-warning: #e8a840;
            --color-gold: #c8963e;
            --color-gold-light: #f5e6cc;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
            --shadow-gold: 0 4px 20px rgba(200, 150, 62, 0.3);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.4s ease;
            --max-width: 1200px;
            --nav-height: 68px;
            --bottom-bar-height: 60px;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            color: var(--color-text);
            background: var(--color-bg);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            min-height: 100vh;
        }

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

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

        a:hover {
            color: var(--color-secondary);
        }

        button {
            cursor: pointer;
            font-family: inherit;
        }

        .container-custom {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: #ffffff;
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }

        .site-header .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .nav-logo {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.04em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--color-secondary), var(--color-secondary-light));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links li a {
            display: inline-block;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--color-text);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-links li a:hover,
        .nav-links li a.active {
            background: var(--color-primary);
            color: #ffffff;
        }

        .nav-lang-switch {
            display: flex;
            align-items: center;
            gap: 4px;
            margin-left: 12px;
            border: 1px solid var(--color-border);
            border-radius: 22px;
            padding: 3px;
            background: var(--color-bg-alt);
        }

        .nav-lang-switch span {
            padding: 5px 12px;
            border-radius: 18px;
            font-size: 0.8rem;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            color: var(--color-text-weak);
        }

        .nav-lang-switch span.active-lang {
            background: var(--color-primary);
            color: #fff;
        }

        .nav-lang-switch span:hover:not(.active-lang) {
            color: var(--color-text);
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-text);
            padding: 8px;
            cursor: pointer;
        }

        /* ========== HERO - 深色面板 + 右侧数据榜单 ========== */
        .hero-section {
            position: relative;
            background: url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
            min-height: 560px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 46, 0.92) 0%, rgba(26, 26, 46, 0.78) 50%, rgba(26, 26, 46, 0.88) 100%);
            z-index: 1;
        }

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

        .hero-left {
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(200, 150, 62, 0.2);
            border: 1px solid rgba(200, 150, 62, 0.4);
            color: var(--color-secondary-light);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 18px;
            width: fit-content;
            letter-spacing: 0.03em;
        }

        .hero-title {
            font-size: 2.6rem;
            font-weight: 800;
            color: #ffffff;
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .hero-title .highlight {
            color: var(--color-secondary-light);
            position: relative;
        }

        .hero-subtitle {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 520px;
        }

        .hero-buttons {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-accent);
            color: #fff;
            padding: 13px 28px;
            border-radius: 24px;
            font-weight: 700;
            font-size: 0.95rem;
            border: none;
            transition: all var(--transition-normal);
            box-shadow: 0 4px 16px rgba(224, 80, 59, 0.35);
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: var(--color-accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 22px rgba(224, 80, 59, 0.5);
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            padding: 13px 28px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.95rem;
            border: 2px solid rgba(255, 255, 255, 0.5);
            transition: all var(--transition-normal);
            white-space: nowrap;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }

        .hero-right-panel {
            display: flex;
            flex-direction: column;
            gap: 0;
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            border: 1px solid rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(6px);
        }

        .hero-right-panel .panel-title {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--color-secondary-light);
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: 0.04em;
        }

        .rank-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .rank-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 8px 10px;
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.04);
            transition: all var(--transition-fast);
            cursor: default;
        }

        .rank-list li:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        .rank-num {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 0.8rem;
            flex-shrink: 0;
            color: #fff;
        }

        .rank-num.top1 {
            background: linear-gradient(135deg, #f5a623, #e8961a);
            box-shadow: 0 2px 8px rgba(245, 166, 35, 0.4);
        }

        .rank-num.top2 {
            background: linear-gradient(135deg, #b0b8c0, #8a94a0);
            box-shadow: 0 2px 8px rgba(176, 184, 192, 0.4);
        }

        .rank-num.top3 {
            background: linear-gradient(135deg, #c8963e, #a87a2e);
            box-shadow: 0 2px 8px rgba(200, 150, 62, 0.4);
        }

        .rank-num.normal {
            background: rgba(255, 255, 255, 0.2);
            font-size: 0.75rem;
        }

        .rank-info {
            flex: 1;
            min-width: 0;
        }

        .rank-name {
            font-size: 0.88rem;
            font-weight: 600;
            color: #fff;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .rank-meta {
            font-size: 0.72rem;
            color: rgba(255, 255, 255, 0.55);
        }

        /* ========== SECTION TITLES ========== */
        .section-title-group {
            text-align: center;
            margin-bottom: 40px;
        }

        .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--color-secondary);
            text-transform: uppercase;
            letter-spacing: 0.08em;
            margin-bottom: 8px;
        }

        .section-heading {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1.3;
            margin-bottom: 10px;
        }

        .section-desc {
            font-size: 1rem;
            color: var(--color-text-weak);
            max-width: 640px;
            margin: 0 auto;
        }

        /* ========== SKILL CATEGORY CARDS ========== */
        .skill-category-section {
            padding: 64px 0;
            background: var(--color-bg);
        }

        .skill-card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-normal);
            height: 100%;
            display: flex;
            flex-direction: column;
            border: 1px solid var(--color-border-light);
        }

        .skill-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: var(--color-secondary);
        }

        .skill-card-img {
            height: 180px;
            overflow: hidden;
            position: relative;
        }

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

        .skill-card:hover .skill-card-img img {
            transform: scale(1.06);
        }

        .skill-card-body {
            padding: 20px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .skill-card-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 700;
            color: var(--color-secondary);
            background: var(--color-gold-light);
            padding: 3px 10px;
            border-radius: 12px;
            margin-bottom: 10px;
            width: fit-content;
        }

        .skill-card-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .skill-card-desc {
            font-size: 0.9rem;
            color: var(--color-text-weak);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 14px;
        }

        .skill-card-link {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--color-accent);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap var(--transition-fast);
        }

        .skill-card-link:hover {
            color: var(--color-accent-hover);
            gap: 10px;
        }

        /* ========== FEATURED GUIDE DEEP CONTENT ========== */
        .featured-guide-section {
            padding: 64px 0;
            background: var(--color-bg-alt);
        }

        .guide-feature-block {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            display: flex;
            flex-wrap: wrap;
            border: 1px solid var(--color-border-light);
        }

        .guide-feature-img {
            flex: 0 0 44%;
            min-height: 340px;
            position: relative;
            overflow: hidden;
        }

        .guide-feature-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            top: 0;
            left: 0;
        }

        .guide-feature-text {
            flex: 1;
            padding: 36px 32px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .guide-feature-text h3 {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--color-primary);
            margin-bottom: 12px;
            line-height: 1.35;
        }

        .guide-feature-text p {
            font-size: 0.95rem;
            color: var(--color-text-weak);
            line-height: 1.75;
            margin-bottom: 16px;
        }

        .guide-highlight-list {
            list-style: none;
            margin: 0 0 18px;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .guide-highlight-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.9rem;
            color: var(--color-text);
            line-height: 1.5;
        }

        .guide-highlight-list li i {
            color: var(--color-success);
            margin-top: 3px;
            flex-shrink: 0;
        }

        /* ========== STATS SECTION ========== */
        .stats-section {
            padding: 56px 0;
            background: var(--color-primary);
            position: relative;
            overflow: hidden;
        }

        .stats-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(200, 150, 62, 0.1);
            pointer-events: none;
        }

        .stats-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(200, 150, 62, 0.08);
            pointer-events: none;
        }

        .stat-item {
            text-align: center;
            position: relative;
            z-index: 1;
            padding: 16px 10px;
        }

        .stat-number {
            font-size: 2.6rem;
            font-weight: 900;
            color: var(--color-secondary-light);
            line-height: 1;
            margin-bottom: 6px;
        }

        .stat-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.75);
            font-weight: 500;
        }

        /* ========== ADVANCED SKILLS SECTION ========== */
        .advanced-skills-section {
            padding: 64px 0;
            background: var(--color-bg);
        }

        .advanced-skill-block {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            height: 100%;
            transition: all var(--transition-normal);
        }

        .advanced-skill-block:hover {
            box-shadow: var(--shadow-lg);
            border-color: var(--color-secondary);
        }

        .advanced-skill-icon {
            width: 50px;
            height: 50px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 16px;
            background: var(--color-gold-light);
            color: var(--color-secondary);
        }

        .advanced-skill-block h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .advanced-skill-block p {
            font-size: 0.88rem;
            color: var(--color-text-weak);
            line-height: 1.65;
            margin: 0;
        }

        /* ========== LEARNING PATH ========== */
        .learning-path-section {
            padding: 64px 0;
            background: var(--color-bg-alt);
        }

        .path-step {
            display: flex;
            gap: 18px;
            align-items: flex-start;
            padding: 20px 0;
            position: relative;
        }

        .path-step-num {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.2rem;
            flex-shrink: 0;
            box-shadow: var(--shadow-md);
            position: relative;
            z-index: 1;
        }

        .path-step-content {
            flex: 1;
            background: var(--color-card);
            border-radius: var(--radius-md);
            padding: 20px 22px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
        }

        .path-step-content h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 6px;
        }

        .path-step-content p {
            font-size: 0.88rem;
            color: var(--color-text-weak);
            margin: 0;
            line-height: 1.6;
        }

        .path-connector {
            width: 2px;
            height: 30px;
            background: var(--color-border);
            margin-left: 24px;
        }

        /* ========== EXPERT SECTION ========== */
        .expert-section {
            padding: 64px 0;
            background: var(--color-bg);
        }

        .expert-card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            text-align: center;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            height: 100%;
            transition: all var(--transition-normal);
        }

        .expert-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }

        .expert-avatar {
            width: 72px;
            height: 72px;
            border-radius: 50%;
            margin: 0 auto 14px;
            background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.8rem;
            font-weight: 700;
        }

        .expert-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 4px;
        }

        .expert-role {
            font-size: 0.8rem;
            color: var(--color-secondary);
            font-weight: 600;
            margin-bottom: 8px;
        }

        .expert-card p {
            font-size: 0.85rem;
            color: var(--color-text-weak);
            line-height: 1.6;
            margin: 0;
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: 64px 0;
            background: var(--color-bg-alt);
        }

        .faq-item {
            background: var(--color-card);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-border);
        }

        .faq-question {
            padding: 18px 22px;
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-primary);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            transition: color var(--transition-fast);
        }

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

        .faq-question i {
            transition: transform var(--transition-normal);
            color: var(--color-text-light);
            flex-shrink: 0;
        }

        .faq-answer {
            padding: 0 22px 18px;
            font-size: 0.9rem;
            color: var(--color-text-weak);
            line-height: 1.7;
            display: none;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--color-secondary);
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            padding: 64px 0;
            background: url('/assets/images/backpic/back-2.webp') center / cover no-repeat;
            position: relative;
            text-align: center;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(26, 26, 46, 0.9) 0%, rgba(26, 26, 46, 0.85) 100%);
            z-index: 1;
        }

        .cta-content {
            position: relative;
            z-index: 2;
        }

        .cta-content h2 {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }

        .cta-content p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 580px;
            margin: 0 auto 24px;
            line-height: 1.7;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.75);
            padding: 44px 0 20px;
            font-size: 0.88rem;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            margin-bottom: 28px;
        }

        .site-footer h4 {
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }

        .site-footer ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .site-footer ul li a {
            color: rgba(255, 255, 255, 0.65);
            transition: color var(--transition-fast);
            font-size: 0.85rem;
        }

        .site-footer ul li a:hover {
            color: var(--color-secondary-light);
        }

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 18px;
            text-align: center;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.5);
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .footer-links-row {
            display: flex;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 6px;
        }

        .footer-links-row a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.82rem;
            transition: color var(--transition-fast);
        }

        .footer-links-row a:hover {
            color: var(--color-secondary-light);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 2rem;
            }
            .hero-right-panel {
                margin-top: 24px;
            }
            .guide-feature-img {
                flex: 0 0 100%;
                min-height: 240px;
            }
            .guide-feature-text {
                padding: 24px 20px;
            }
            .site-footer .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stat-number {
                font-size: 2rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 12px 0;
                box-shadow: var(--shadow-lg);
                border-bottom: 1px solid var(--color-border-light);
                z-index: 999;
            }
            .nav-links.show {
                display: flex;
            }
            .nav-links li a {
                padding: 12px 20px;
                border-radius: 0;
                width: 100%;
                text-align: left;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .nav-lang-switch {
                display: none;
            }
            .hero-section {
                min-height: auto;
            }
            .hero-title {
                font-size: 1.6rem;
            }
            .hero-subtitle {
                font-size: 0.95rem;
            }
            .hero-right-panel {
                margin-top: 20px;
            }
            .section-heading {
                font-size: 1.5rem;
            }
            .skill-card-img {
                height: 150px;
            }
            .guide-feature-img {
                min-height: 200px;
            }
            .guide-feature-text h3 {
                font-size: 1.25rem;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
            }
            .cta-content h2 {
                font-size: 1.5rem;
            }
            .stat-number {
                font-size: 1.8rem;
            }
            .path-step {
                flex-direction: column;
                gap: 10px;
            }
            .path-connector {
                display: none;
            }
            .hero-buttons {
                flex-direction: column;
            }
            .btn-primary,
            .btn-outline-light {
                width: 100%;
                justify-content: center;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.4rem;
            }
            .section-heading {
                font-size: 1.3rem;
            }
            .skill-card-img {
                height: 130px;
            }
            .guide-feature-text {
                padding: 18px 14px;
            }
            .advanced-skill-block {
                padding: 20px 16px;
            }
            .expert-card {
                padding: 20px 14px;
            }
            .faq-question {
                font-size: 0.9rem;
                padding: 14px 16px;
            }
            .faq-answer {
                padding: 0 16px 14px;
                font-size: 0.82rem;
            }
        }

/* roulang page: category6 */
:root {
            --color-primary: #1a1a2e;
            --color-primary-light: #252547;
            --color-secondary: #c8963e;
            --color-secondary-light: #dab866;
            --color-accent: #e0503b;
            --color-accent-hover: #c9402f;
            --color-bg: #faf8f5;
            --color-bg-alt: #f3efe8;
            --color-card: #ffffff;
            --color-text: #2c2c2c;
            --color-text-weak: #6b6b6b;
            --color-text-light: #999999;
            --color-border: #e5e0d8;
            --color-border-light: #f0ebe2;
            --color-success: #3a9d5e;
            --color-warning: #e8a840;
            --color-gold: #c8963e;
            --color-gold-light: #f5e6cc;
            --color-dark-overlay: rgba(26, 26, 46, 0.75);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
            --shadow-gold: 0 4px 20px rgba(200, 150, 62, 0.3);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.4s ease;
            --max-width: 1200px;
            --nav-height: 68px;
            --bottom-bar-height: 60px;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            color: var(--color-text);
            background: var(--color-bg);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            min-height: 100vh;
            padding-bottom: var(--bottom-bar-height);
        }

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

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

        a:hover {
            color: var(--color-secondary);
        }

        button {
            cursor: pointer;
            font-family: inherit;
        }

        .container-custom {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: #ffffff;
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }

        .site-header .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .nav-logo {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.04em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--color-secondary), var(--color-secondary-light));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links li a {
            display: inline-block;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--color-text);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-links li a:hover,
        .nav-links li a.active {
            background: var(--color-primary);
            color: #ffffff;
        }

        .nav-lang-switch {
            display: flex;
            align-items: center;
            gap: 4px;
            margin-left: 12px;
            border: 1px solid var(--color-border);
            border-radius: 22px;
            padding: 3px;
            background: var(--color-bg-alt);
        }

        .nav-lang-switch span {
            padding: 5px 12px;
            border-radius: 18px;
            font-size: 0.8rem;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            color: var(--color-text-weak);
        }

        .nav-lang-switch span.active-lang {
            background: var(--color-primary);
            color: #fff;
        }

        .nav-lang-switch span:hover:not(.active-lang) {
            color: var(--color-text);
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-text);
            padding: 8px;
            cursor: pointer;
        }

        /* ========== HERO SECTION ========== */
        .hero-section {
            position: relative;
            background: var(--color-primary);
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            min-height: 520px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 46, 0.88) 0%, rgba(26, 26, 46, 0.7) 50%, rgba(26, 26, 46, 0.82) 100%);
            z-index: 1;
        }

        .hero-section .container-custom {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 40px;
            flex-wrap: wrap;
        }

        .hero-content {
            flex: 1 1 480px;
            color: #ffffff;
        }

        .hero-badge-sticker {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            font-weight: 700;
            font-size: 0.9rem;
            padding: 8px 18px;
            border-radius: 24px;
            letter-spacing: 0.06em;
            margin-bottom: 18px;
            position: relative;
            animation: badgePulse 2.2s ease-in-out infinite;
            box-shadow: 0 4px 18px rgba(224, 80, 59, 0.5);
        }

        @keyframes badgePulse {
            0%,
            100% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.06);
            }
        }

        .hero-badge-sticker .badge-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            background: #fff;
            border-radius: 50%;
            margin-right: 6px;
            animation: dotBlink 1s ease-in-out infinite;
        }

        @keyframes dotBlink {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.3;
            }
        }

        .hero-content h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
            color: #ffffff;
            letter-spacing: 0.03em;
        }

        .hero-content h1 .highlight {
            color: var(--color-secondary-light);
        }

        .hero-content .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 28px;
            line-height: 1.7;
            max-width: 520px;
        }

        .hero-buttons {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn-primary-hero {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-accent);
            color: #fff;
            font-weight: 700;
            font-size: 1.05rem;
            padding: 14px 30px;
            border-radius: 28px;
            border: none;
            transition: all var(--transition-normal);
            box-shadow: 0 6px 22px rgba(224, 80, 59, 0.4);
            letter-spacing: 0.03em;
        }

        .btn-primary-hero:hover {
            background: var(--color-accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(224, 80, 59, 0.55);
        }

        .btn-outline-hero {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 1.05rem;
            padding: 14px 30px;
            border-radius: 28px;
            border: 2px solid rgba(255, 255, 255, 0.5);
            transition: all var(--transition-normal);
            letter-spacing: 0.03em;
        }

        .btn-outline-hero:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            transform: translateY(-2px);
        }

        .hero-visual {
            flex: 0 0 320px;
            position: relative;
        }

        .hero-device-mockup {
            background: rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-xl);
            padding: 24px;
            text-align: center;
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.18);
        }

        .hero-device-mockup .download-icon-large {
            font-size: 5rem;
            color: var(--color-secondary-light);
            margin-bottom: 12px;
        }

        .hero-device-mockup .version-tag {
            display: inline-block;
            background: var(--color-secondary);
            color: #fff;
            padding: 6px 16px;
            border-radius: 16px;
            font-weight: 700;
            font-size: 0.9rem;
            letter-spacing: 0.04em;
        }

        .hero-device-mockup .file-size {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.85rem;
            margin-top: 8px;
        }

        /* ========== SECTION COMMON ========== */
        .section-padding {
            padding: 70px 0;
        }

        .section-padding-sm {
            padding: 50px 0;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 10px;
            letter-spacing: 0.03em;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-weak);
            margin-bottom: 36px;
            max-width: 600px;
        }

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

        .section-header-center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        /* ========== PLATFORM CARDS ========== */
        .platform-card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            text-align: center;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-normal);
            border: 1px solid var(--color-border-light);
            position: relative;
            overflow: hidden;
            height: 100%;
        }

        .platform-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-xl);
            border-color: var(--color-secondary);
        }

        .platform-card .platform-icon {
            font-size: 3rem;
            color: var(--color-secondary);
            margin-bottom: 16px;
            transition: transform var(--transition-normal);
        }

        .platform-card:hover .platform-icon {
            transform: scale(1.1);
        }

        .platform-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
        }

        .platform-card .platform-desc {
            font-size: 0.9rem;
            color: var(--color-text-weak);
            margin-bottom: 16px;
            line-height: 1.5;
        }

        .platform-card .btn-download-platform {
            display: inline-block;
            background: var(--color-primary);
            color: #fff;
            padding: 10px 24px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            border: none;
            cursor: pointer;
        }

        .platform-card .btn-download-platform:hover {
            background: var(--color-secondary);
            color: #fff;
            box-shadow: var(--shadow-gold);
        }

        .platform-card .recommend-badge {
            position: absolute;
            top: 14px;
            right: 14px;
            background: var(--color-accent);
            color: #fff;
            font-size: 0.72rem;
            font-weight: 700;
            padding: 5px 12px;
            border-radius: 14px;
            letter-spacing: 0.04em;
        }

        /* ========== STEPS / PROCESS ========== */
        .step-item {
            display: flex;
            align-items: flex-start;
            gap: 18px;
            padding: 20px 0;
            border-bottom: 1px dashed var(--color-border);
        }

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

        .step-number {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            background: linear-gradient(135deg, var(--color-secondary), var(--color-secondary-light));
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.2rem;
            box-shadow: var(--shadow-gold);
        }

        .step-info h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 4px;
        }

        .step-info p {
            font-size: 0.92rem;
            color: var(--color-text-weak);
            margin: 0;
            line-height: 1.5;
        }

        /* ========== FEATURE HIGHLIGHT ========== */
        .feature-highlight-card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            height: 100%;
            text-align: center;
        }

        .feature-highlight-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .feature-highlight-card .feature-icon-circle {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--color-gold-light);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 1.5rem;
            color: var(--color-secondary);
            transition: all var(--transition-normal);
        }

        .feature-highlight-card:hover .feature-icon-circle {
            background: var(--color-secondary);
            color: #fff;
            box-shadow: var(--shadow-gold);
        }

        .feature-highlight-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 6px;
        }

        .feature-highlight-card p {
            font-size: 0.88rem;
            color: var(--color-text-weak);
            margin: 0;
            line-height: 1.5;
        }

        /* ========== SAFETY SECTION ========== */
        .safety-card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            padding: 30px 24px;
            box-shadow: var(--shadow-md);
            border-left: 4px solid var(--color-success);
            transition: all var(--transition-normal);
            height: 100%;
        }

        .safety-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .safety-card .safety-icon {
            font-size: 2.2rem;
            color: var(--color-success);
            margin-bottom: 12px;
        }

        .safety-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 6px;
        }

        .safety-card p {
            font-size: 0.9rem;
            color: var(--color-text-weak);
            margin: 0;
            line-height: 1.5;
        }

        /* ========== STATS ROW ========== */
        .stat-item {
            text-align: center;
            padding: 24px 16px;
            background: var(--color-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            height: 100%;
        }

        .stat-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--color-secondary);
            letter-spacing: 0.02em;
            line-height: 1.1;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-weak);
            margin-top: 6px;
        }

        /* ========== COMPATIBILITY TABLE ========== */
        .compat-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            background: var(--color-card);
        }

        .compat-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 600px;
        }

        .compat-table th {
            background: var(--color-primary);
            color: #fff;
            padding: 14px 16px;
            font-weight: 600;
            font-size: 0.9rem;
            text-align: left;
            letter-spacing: 0.03em;
        }

        .compat-table td {
            padding: 12px 16px;
            border-bottom: 1px solid var(--color-border-light);
            font-size: 0.9rem;
            color: var(--color-text);
        }

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

        .compat-table .badge-ok {
            display: inline-block;
            background: #e8f5e9;
            color: var(--color-success);
            padding: 4px 10px;
            border-radius: 12px;
            font-weight: 600;
            font-size: 0.8rem;
        }

        /* ========== FAQ ========== */
        .faq-item {
            background: var(--color-card);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }

        .faq-question {
            padding: 18px 22px;
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
            transition: background var(--transition-fast);
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            font-family: inherit;
        }

        .faq-question:hover {
            background: var(--color-bg-alt);
        }

        .faq-question .faq-arrow {
            font-size: 0.8rem;
            transition: transform var(--transition-normal);
            color: var(--color-text-weak);
            flex-shrink: 0;
            margin-left: 12px;
        }

        .faq-item.open .faq-question .faq-arrow {
            transform: rotate(180deg);
            color: var(--color-secondary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 22px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }

        .faq-answer p {
            font-size: 0.92rem;
            color: var(--color-text-weak);
            margin: 0;
            line-height: 1.6;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            color: #fff;
            text-align: center;
            padding: 60px 0;
            border-radius: var(--radius-xl);
            margin: 40px 20px;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            background: rgba(255, 255, 255, 0.03);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 140px;
            height: 140px;
            background: rgba(255, 255, 255, 0.03);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section .container-custom {
            position: relative;
            z-index: 1;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 12px;
            letter-spacing: 0.03em;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 24px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-section .btn-cta-large {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-accent);
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
            padding: 16px 36px;
            border-radius: 30px;
            border: none;
            transition: all var(--transition-normal);
            box-shadow: 0 8px 28px rgba(224, 80, 59, 0.45);
            letter-spacing: 0.04em;
        }

        .cta-section .btn-cta-large:hover {
            background: #fff;
            color: var(--color-accent);
            transform: translateY(-3px);
            box-shadow: 0 14px 34px rgba(0, 0, 0, 0.25);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-primary);
            color: #ffffff;
            padding: 50px 0 30px;
            margin-top: 20px;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            margin-bottom: 32px;
        }

        .site-footer h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 14px;
            color: #ffffff;
            letter-spacing: 0.03em;
        }

        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .site-footer ul li {
            margin-bottom: 8px;
        }

        .site-footer ul li a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.88rem;
            transition: color var(--transition-fast);
        }

        .site-footer ul li a:hover {
            color: var(--color-secondary-light);
        }

        .site-footer ul li {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.88rem;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding-top: 20px;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.55);
            line-height: 2;
        }

        .footer-links-row {
            margin-bottom: 8px;
        }

        .footer-links-row a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.82rem;
            transition: color var(--transition-fast);
            margin: 0 6px;
        }

        .footer-links-row a:hover {
            color: var(--color-secondary-light);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-content h1 {
                font-size: 2.2rem;
            }
            .hero-visual {
                flex: 0 0 260px;
            }
            .hero-section {
                min-height: 420px;
            }
            .site-footer .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .nav-links li a {
                padding: 6px 10px;
                font-size: 0.82rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 16px;
                box-shadow: var(--shadow-lg);
                border-radius: 0 0 var(--radius-md) var(--radius-md);
                z-index: 999;
                gap: 2px;
            }
            .nav-links.show {
                display: flex;
            }
            .nav-links li a {
                display: block;
                padding: 10px 16px;
                border-radius: var(--radius-sm);
                font-size: 0.9rem;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .nav-lang-switch {
                margin-left: auto;
                margin-right: 8px;
            }
            .hero-section {
                min-height: auto;
                padding: 40px 0;
            }
            .hero-content h1 {
                font-size: 1.8rem;
            }
            .hero-visual {
                flex: 0 0 100%;
                margin-top: 20px;
            }
            .hero-section .container-custom {
                flex-direction: column;
                text-align: center;
            }
            .hero-content .hero-subtitle {
                max-width: 100%;
            }
            .hero-buttons {
                justify-content: center;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .section-padding {
                padding: 40px 0;
            }
            .section-padding-sm {
                padding: 30px 0;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .cta-section {
                margin: 30px 12px;
                padding: 40px 16px;
                border-radius: var(--radius-lg);
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .compat-table-wrap {
                margin: 0 -10px;
            }
        }

        @media (max-width: 520px) {
            .hero-content h1 {
                font-size: 1.5rem;
            }
            .hero-badge-sticker {
                font-size: 0.76rem;
                padding: 6px 14px;
            }
            .btn-primary-hero,
            .btn-outline-hero {
                font-size: 0.9rem;
                padding: 10px 20px;
                border-radius: 22px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .stat-number {
                font-size: 2rem;
            }
            .platform-card {
                padding: 20px 16px;
            }
            .step-number {
                width: 38px;
                height: 38px;
                font-size: 1rem;
            }
            .cta-section h2 {
                font-size: 1.3rem;
            }
            .cta-section .btn-cta-large {
                font-size: 0.95rem;
                padding: 12px 24px;
            }
        }

/* roulang page: category4 */
:root {
            --color-primary: #1a1a2e;
            --color-primary-light: #252547;
            --color-secondary: #c8963e;
            --color-secondary-light: #dab866;
            --color-accent: #e0503b;
            --color-accent-hover: #c9402f;
            --color-bg: #faf8f5;
            --color-bg-alt: #f3efe8;
            --color-card: #ffffff;
            --color-text: #2c2c2c;
            --color-text-weak: #6b6b6b;
            --color-text-light: #999999;
            --color-border: #e5e0d8;
            --color-border-light: #f0ebe2;
            --color-success: #3a9d5e;
            --color-warning: #e8a840;
            --color-gold: #c8963e;
            --color-gold-light: #f5e6cc;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
            --shadow-gold: 0 4px 20px rgba(200, 150, 62, 0.3);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.4s ease;
            --max-width: 1200px;
            --nav-height: 68px;
            --bottom-bar-height: 60px;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            color: var(--color-text);
            background: var(--color-bg);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            min-height: 100vh;
            padding-bottom: var(--bottom-bar-height);
        }

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

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

        a:hover {
            color: var(--color-secondary);
        }

        button {
            cursor: pointer;
            font-family: inherit;
        }

        .container-custom {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: #ffffff;
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }

        .site-header .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .nav-logo {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.04em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .nav-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--color-secondary), var(--color-secondary-light));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: wrap;
            justify-content: center;
        }

        .nav-links li a {
            display: inline-block;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--color-text);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-links li a:hover,
        .nav-links li a.active {
            background: var(--color-primary);
            color: #ffffff;
        }

        .nav-lang-switch {
            display: flex;
            align-items: center;
            gap: 4px;
            margin-left: 12px;
            border: 1px solid var(--color-border);
            border-radius: 22px;
            padding: 3px;
            background: var(--color-bg-alt);
            flex-shrink: 0;
        }

        .nav-lang-switch span {
            padding: 5px 12px;
            border-radius: 18px;
            font-size: 0.8rem;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            color: var(--color-text-weak);
        }

        .nav-lang-switch span.active-lang {
            background: var(--color-primary);
            color: #fff;
        }

        .nav-lang-switch span:hover:not(.active-lang) {
            color: var(--color-text);
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-text);
            padding: 8px;
            cursor: pointer;
            flex-shrink: 0;
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            background: linear-gradient(170deg, #1a1a2e 0%, #1f1f3a 40%, #252547 100%);
            padding: 70px 20px 80px;
            text-align: center;
            min-height: auto;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            z-index: 0;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 80px;
            background: linear-gradient(to top, rgba(250, 248, 245, 0.7), transparent);
            z-index: 1;
            pointer-events: none;
        }

        .hero-inner {
            position: relative;
            z-index: 2;
            max-width: 750px;
            margin: 0 auto;
            width: 100%;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(200, 150, 62, 0.2);
            color: var(--color-secondary-light);
            border: 1px solid rgba(200, 150, 62, 0.35);
            border-radius: 24px;
            padding: 6px 20px;
            font-size: 0.88rem;
            font-weight: 600;
            margin-bottom: 20px;
            letter-spacing: 0.03em;
        }

        .hero-section h1 {
            color: #ffffff;
            font-size: 2.8rem;
            font-weight: 800;
            margin: 0 0 16px;
            letter-spacing: 0.03em;
            line-height: 1.25;
        }

        .hero-section h1 .highlight {
            color: var(--color-secondary-light);
            position: relative;
        }

        .hero-subtitle {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.12rem;
            line-height: 1.6;
            margin: 0 auto 32px;
            max-width: 560px;
        }

        .hero-search-wrap {
            display: flex;
            max-width: 520px;
            margin: 0 auto 28px;
            background: #ffffff;
            border-radius: 30px;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }

        .hero-search-wrap input {
            flex: 1;
            border: none;
            padding: 14px 20px;
            font-size: 0.95rem;
            color: var(--color-text);
            background: transparent;
            outline: none;
            font-family: var(--font-sans);
        }

        .hero-search-wrap input::placeholder {
            color: var(--color-text-light);
        }

        .hero-search-wrap button {
            background: var(--color-accent);
            color: #fff;
            border: none;
            padding: 14px 24px;
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            border-radius: 0 30px 30px 0;
            letter-spacing: 0.02em;
        }

        .hero-search-wrap button:hover {
            background: var(--color-accent-hover);
        }

        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            max-width: 560px;
            margin: 0 auto;
        }

        .hero-tag {
            display: inline-block;
            padding: 8px 18px;
            border-radius: 22px;
            font-size: 0.85rem;
            font-weight: 500;
            background: rgba(255, 255, 255, 0.1);
            color: rgba(255, 255, 255, 0.9);
            border: 1px solid rgba(255, 255, 255, 0.2);
            transition: all var(--transition-fast);
            cursor: pointer;
            white-space: nowrap;
        }

        .hero-tag:hover {
            background: rgba(200, 150, 62, 0.3);
            border-color: var(--color-secondary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-gold);
        }

        .hero-tag.hot {
            background: rgba(224, 80, 59, 0.3);
            border-color: var(--color-accent);
            color: #ffb3a7;
        }

        /* ========== SECTION COMMON ========== */
        .section-block {
            padding: 60px 20px;
        }

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

        .section-block.section-dark {
            background: var(--color-primary);
            color: #ffffff;
        }

        .section-title {
            text-align: center;
            margin-bottom: 40px;
        }

        .section-title h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 10px;
            letter-spacing: 0.03em;
        }

        .section-title .title-line {
            display: inline-block;
            width: 50px;
            height: 3px;
            background: var(--color-secondary);
            border-radius: 2px;
            margin-bottom: 8px;
        }

        .section-title p {
            color: var(--color-text-weak);
            font-size: 1rem;
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.6;
        }

        .section-dark .section-title h2 {
            color: #ffffff;
        }

        .section-dark .section-title p {
            color: rgba(255, 255, 255, 0.7);
        }

        /* ========== CARDS ========== */
        .benefit-card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-normal);
            height: 100%;
            border: 1px solid var(--color-border-light);
            position: relative;
            overflow: hidden;
        }

        .benefit-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: var(--color-secondary);
        }

        .benefit-card .card-icon-wrap {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            margin-bottom: 16px;
            flex-shrink: 0;
        }

        .benefit-card .card-icon-wrap.icon-gold {
            background: var(--color-gold-light);
            color: var(--color-gold);
        }

        .benefit-card .card-icon-wrap.icon-red {
            background: #fde8e5;
            color: var(--color-accent);
        }

        .benefit-card .card-icon-wrap.icon-green {
            background: #e6f4ea;
            color: var(--color-success);
        }

        .benefit-card .card-icon-wrap.icon-blue {
            background: #e8eef8;
            color: #3b6fb6;
        }

        .benefit-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin: 0 0 8px;
            color: var(--color-primary);
        }

        .benefit-card p {
            color: var(--color-text-weak);
            font-size: 0.93rem;
            margin: 0 0 14px;
            line-height: 1.6;
        }

        .benefit-card .card-badge {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 14px;
            font-size: 0.78rem;
            font-weight: 600;
            background: var(--color-gold-light);
            color: var(--color-gold);
        }

        .benefit-card .card-badge.hot-badge {
            background: #fde8e5;
            color: var(--color-accent);
        }

        .benefit-card .card-badge.new-badge {
            background: #e6f4ea;
            color: var(--color-success);
        }

        /* ========== ACTIVITY CARDS ========== */
        .activity-card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-normal);
            height: 100%;
            border: 1px solid var(--color-border-light);
        }

        .activity-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }

        .activity-card .card-img {
            height: 180px;
            overflow: hidden;
            position: relative;
        }

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

        .activity-card:hover .card-img img {
            transform: scale(1.06);
        }

        .activity-card .card-img .img-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--color-accent);
            color: #fff;
            padding: 4px 12px;
            border-radius: 14px;
            font-size: 0.75rem;
            font-weight: 700;
            z-index: 2;
        }

        .activity-card .card-body {
            padding: 18px 20px;
        }

        .activity-card .card-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin: 0 0 8px;
            color: var(--color-primary);
        }

        .activity-card .card-body p {
            color: var(--color-text-weak);
            font-size: 0.88rem;
            margin: 0 0 12px;
            line-height: 1.5;
        }

        .activity-card .card-body .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--color-text-light);
        }

        .activity-card .card-body .card-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        /* ========== STEPS ========== */
        .step-list {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            justify-content: center;
            counter-reset: step-counter;
        }

        .step-item {
            flex: 1 1 220px;
            max-width: 280px;
            text-align: center;
            position: relative;
            counter-increment: step-counter;
        }

        .step-number {
            display: inline-flex;
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-secondary), var(--color-secondary-light));
            color: #fff;
            font-size: 1.4rem;
            font-weight: 800;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            box-shadow: var(--shadow-gold);
            position: relative;
            z-index: 2;
        }

        .step-item h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin: 0 0 6px;
            color: var(--color-primary);
        }

        .step-item p {
            color: var(--color-text-weak);
            font-size: 0.9rem;
            line-height: 1.5;
            margin: 0;
        }

        .step-connector {
            display: none;
        }

        /* ========== STATS ========== */
        .stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            justify-content: center;
            text-align: center;
        }

        .stat-item {
            flex: 1 1 160px;
            max-width: 220px;
            padding: 20px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255, 255, 255, 0.12);
        }

        .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--color-secondary-light);
            line-height: 1.2;
            margin-bottom: 4px;
        }

        .stat-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            font-weight: 500;
        }

        /* ========== VIP BENEFIT TABLE ========== */
        .vip-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            background: var(--color-card);
            border: 1px solid var(--color-border-light);
        }

        .vip-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 600px;
        }

        .vip-table th,
        .vip-table td {
            padding: 14px 18px;
            text-align: center;
            font-size: 0.9rem;
            border-bottom: 1px solid var(--color-border-light);
        }

        .vip-table th {
            background: var(--color-primary);
            color: #ffffff;
            font-weight: 700;
            font-size: 0.88rem;
            letter-spacing: 0.03em;
        }

        .vip-table tbody tr:hover {
            background: var(--color-bg-alt);
        }

        .vip-table .tier-badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 14px;
            font-weight: 700;
            font-size: 0.82rem;
        }

        .tier-badge.gold {
            background: var(--color-gold-light);
            color: var(--color-gold);
        }

        .tier-badge.platinum {
            background: #e8eef8;
            color: #3b6fb6;
        }

        .tier-badge.diamond {
            background: #fde8f5;
            color: #a0438a;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--color-card);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-primary);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            font-family: var(--font-sans);
            transition: color var(--transition-fast);
        }

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

        .faq-question .faq-icon {
            font-size: 0.8rem;
            color: var(--color-text-light);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
            margin-left: 12px;
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
            color: var(--color-secondary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-normal), padding var(--transition-normal);
            padding: 0 20px;
            color: var(--color-text-weak);
            font-size: 0.92rem;
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 20px 18px;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(160deg, #1a1a2e 0%, #252547 100%);
            padding: 60px 20px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
            z-index: 0;
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            max-width: 650px;
            margin: 0 auto;
        }

        .cta-section h2 {
            color: #ffffff;
            font-size: 2rem;
            font-weight: 700;
            margin: 0 0 14px;
            letter-spacing: 0.03em;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 1.05rem;
            margin: 0 auto 28px;
            max-width: 480px;
            line-height: 1.6;
        }

        .btn-primary {
            display: inline-block;
            padding: 14px 36px;
            border-radius: 28px;
            font-size: 1rem;
            font-weight: 700;
            background: var(--color-accent);
            color: #fff;
            border: none;
            cursor: pointer;
            transition: all var(--transition-fast);
            letter-spacing: 0.03em;
            box-shadow: 0 4px 16px rgba(224, 80, 59, 0.4);
        }

        .btn-primary:hover {
            background: var(--color-accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(224, 80, 59, 0.5);
            color: #fff;
        }

        .btn-outline {
            display: inline-block;
            padding: 13px 34px;
            border-radius: 28px;
            font-size: 1rem;
            font-weight: 600;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
            cursor: pointer;
            transition: all var(--transition-fast);
            letter-spacing: 0.03em;
        }

        .btn-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }

        .btn-gold {
            display: inline-block;
            padding: 12px 28px;
            border-radius: 24px;
            font-size: 0.9rem;
            font-weight: 600;
            background: var(--color-secondary);
            color: #fff;
            border: none;
            cursor: pointer;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
        }

        .btn-gold:hover {
            background: var(--color-secondary-light);
            color: #fff;
            box-shadow: var(--shadow-gold);
            transform: translateY(-2px);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1a1a2e;
            color: rgba(255, 255, 255, 0.7);
            padding: 50px 20px 30px;
            font-size: 0.9rem;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 30px;
            max-width: var(--max-width);
            margin: 0 auto;
        }

        .site-footer h4 {
            color: #ffffff;
            font-size: 1.05rem;
            font-weight: 700;
            margin: 0 0 14px;
            letter-spacing: 0.03em;
        }

        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .site-footer ul li {
            margin-bottom: 8px;
        }

        .site-footer ul li a {
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition-fast);
        }

        .site-footer ul li a:hover {
            color: var(--color-secondary-light);
        }

        .footer-bottom {
            text-align: center;
            margin-top: 30px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            max-width: var(--max-width);
            margin-left: auto;
            margin-right: auto;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.45);
            line-height: 1.8;
        }

        .footer-links-row {
            margin-bottom: 8px;
        }

        .footer-links-row a {
            color: rgba(255, 255, 255, 0.55);
            margin: 0 6px;
            transition: color var(--transition-fast);
        }

        .footer-links-row a:hover {
            color: var(--color-secondary-light);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .nav-links li a {
                padding: 6px 10px;
                font-size: 0.8rem;
            }
            .nav-lang-switch span {
                padding: 4px 10px;
                font-size: 0.72rem;
            }
            .hero-section h1 {
                font-size: 2.2rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .section-title h2 {
                font-size: 1.7rem;
            }
            .cta-section h2 {
                font-size: 1.7rem;
            }
            .stat-number {
                font-size: 2rem;
            }
        }

        @media (max-width: 768px) {
            .mobile-menu-toggle {
                display: block;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #ffffff;
                flex-direction: column;
                padding: 16px;
                box-shadow: var(--shadow-lg);
                border-bottom: 2px solid var(--color-border);
                z-index: 999;
                gap: 2px;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links li a {
                display: block;
                padding: 10px 16px;
                border-radius: var(--radius-sm);
                font-size: 0.9rem;
                text-align: center;
            }
            .nav-lang-switch {
                margin-left: 0;
            }
            .hero-section {
                padding: 50px 16px 60px;
            }
            .hero-section h1 {
                font-size: 1.8rem;
            }
            .hero-subtitle {
                font-size: 0.9rem;
            }
            .hero-search-wrap {
                flex-direction: column;
                border-radius: var(--radius-md);
            }
            .hero-search-wrap input {
                padding: 12px 16px;
            }
            .hero-search-wrap button {
                border-radius: 0 0 var(--radius-md) var(--radius-md);
                padding: 12px;
                text-align: center;
            }
            .hero-tags {
                gap: 6px;
            }
            .hero-tag {
                padding: 6px 14px;
                font-size: 0.78rem;
            }
            .section-block {
                padding: 40px 16px;
            }
            .section-title h2 {
                font-size: 1.5rem;
            }
            .benefit-card {
                padding: 20px 16px;
            }
            .step-item {
                flex: 1 1 100%;
                max-width: 100%;
            }
            .stats-row {
                gap: 12px;
            }
            .stat-item {
                flex: 1 1 120px;
                max-width: 160px;
                padding: 14px 10px;
            }
            .stat-number {
                font-size: 1.6rem;
            }
            .cta-section {
                padding: 40px 16px;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .vip-table th,
            .vip-table td {
                padding: 10px 8px;
                font-size: 0.78rem;
            }
        }

        @media (max-width: 520px) {
            .nav-logo {
                font-size: 1.1rem;
            }
            .nav-logo .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 0.9rem;
            }
            .hero-section h1 {
                font-size: 1.5rem;
            }
            .hero-subtitle {
                font-size: 0.85rem;
            }
            .hero-tag {
                padding: 5px 10px;
                font-size: 0.7rem;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .section-title h2 {
                font-size: 1.35rem;
            }
            .stat-item {
                flex: 1 1 80px;
                max-width: 130px;
            }
            .stat-number {
                font-size: 1.3rem;
            }
            .stat-label {
                font-size: 0.75rem;
            }
            .btn-primary,
            .btn-outline {
                padding: 11px 22px;
                font-size: 0.9rem;
            }
        }

/* roulang page: category5 */
:root {
            --color-primary: #1a1a2e;
            --color-primary-light: #252547;
            --color-secondary: #c8963e;
            --color-secondary-light: #dab866;
            --color-accent: #e0503b;
            --color-accent-hover: #c9402f;
            --color-bg: #faf8f5;
            --color-bg-alt: #f3efe8;
            --color-card: #ffffff;
            --color-text: #2c2c2c;
            --color-text-weak: #6b6b6b;
            --color-text-light: #999999;
            --color-border: #e5e0d8;
            --color-border-light: #f0ebe2;
            --color-success: #3a9d5e;
            --color-warning: #e8a840;
            --color-gold: #c8963e;
            --color-gold-light: #f5e6cc;
            --color-gold-dark: #a67c2e;
            --color-vip-platinum: #e8d5b0;
            --color-vip-diamond: #b8e4f0;
            --color-vip-golden: #f0d78c;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
            --shadow-gold: 0 4px 20px rgba(200, 150, 62, 0.3);
            --shadow-gold-lg: 0 12px 40px rgba(200, 150, 62, 0.35);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.4s ease;
            --max-width: 1200px;
            --nav-height: 68px;
            --bottom-bar-height: 60px;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            color: var(--color-text);
            background: var(--color-bg);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            min-height: 100vh;
            padding-bottom: var(--bottom-bar-height);
        }

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

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

        a:hover {
            color: var(--color-secondary);
        }

        button {
            cursor: pointer;
            font-family: inherit;
        }

        .container-custom {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: #ffffff;
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }

        .site-header .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .nav-logo {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.04em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--color-secondary), var(--color-secondary-light));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links li a {
            display: inline-block;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--color-text);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-links li a:hover,
        .nav-links li a.active {
            background: var(--color-primary);
            color: #ffffff;
        }

        .nav-lang-switch {
            display: flex;
            align-items: center;
            gap: 4px;
            margin-left: 12px;
            border: 1px solid var(--color-border);
            border-radius: 22px;
            padding: 3px;
            background: var(--color-bg-alt);
        }

        .nav-lang-switch span {
            padding: 5px 12px;
            border-radius: 18px;
            font-size: 0.8rem;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            color: var(--color-text-weak);
        }

        .nav-lang-switch span.active-lang {
            background: var(--color-primary);
            color: #fff;
        }

        .nav-lang-switch span:hover:not(.active-lang) {
            color: var(--color-text);
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-text);
            padding: 8px;
            cursor: pointer;
        }

        /* ========== SECTION SPACING ========== */
        .section-pad {
            padding: 64px 0;
        }

        .section-pad-sm {
            padding: 40px 0;
        }

        .section-pad-lg {
            padding: 80px 0;
        }

        /* ========== SECTION TITLES ========== */
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 12px;
            letter-spacing: 0.02em;
            line-height: 1.3;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-weak);
            margin-bottom: 36px;
            max-width: 680px;
            line-height: 1.6;
        }

        .section-title-center {
            text-align: center;
        }

        .section-title-center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        /* ========== HERO VIP ========== */
        .hero-vip {
            background: linear-gradient(170deg, #1a1a2e 0%, #1f1f35 30%, #1a1a2e 60%, #1c1c30 100%);
            color: #ffffff;
            padding: 60px 0 70px;
            position: relative;
            overflow: hidden;
        }

        .hero-vip::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -120px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(200, 150, 62, 0.18) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-vip::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -80px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(200, 150, 62, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-vip .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1.1fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .hero-vip-cover {
            background: linear-gradient(145deg, #2a2a42, #1e1e34);
            border-radius: var(--radius-lg);
            padding: 20px;
            box-shadow: var(--shadow-gold-lg);
            border: 2px solid rgba(200, 150, 62, 0.35);
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .hero-vip-cover img {
            border-radius: var(--radius-md);
            width: 100%;
            height: auto;
            object-fit: cover;
            min-height: 320px;
            background: #1a1a2e;
        }

        .hero-vip-cover .vip-badge-hero {
            position: absolute;
            top: -16px;
            right: -12px;
            background: linear-gradient(135deg, #c8963e, #e0b860);
            color: #1a1a2e;
            font-weight: 800;
            font-size: 0.85rem;
            padding: 8px 18px;
            border-radius: 24px;
            letter-spacing: 0.06em;
            box-shadow: var(--shadow-gold);
            z-index: 2;
        }

        .hero-vip-content h1 {
            font-size: 2.4rem;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 16px;
            line-height: 1.25;
            letter-spacing: 0.03em;
        }

        .hero-vip-content h1 .gold-text {
            color: #dab866;
        }

        .hero-vip-content .hero-desc {
            font-size: 1.08rem;
            color: #c5c5d8;
            margin-bottom: 24px;
            line-height: 1.7;
            max-width: 440px;
        }

        .hero-vip-toc {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-md);
            padding: 20px 22px;
            margin-bottom: 24px;
        }

        .hero-vip-toc h4 {
            font-size: 0.95rem;
            color: #dab866;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: 0.04em;
        }

        .hero-vip-toc ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 8px 20px;
        }

        .hero-vip-toc ul li {
            font-size: 0.9rem;
            color: #c5c5d8;
            position: relative;
            padding-left: 18px;
        }

        .hero-vip-toc ul li::before {
            content: '◆';
            position: absolute;
            left: 0;
            top: 0;
            color: #c8963e;
            font-size: 0.55rem;
            line-height: 1.6;
        }

        .hero-vip-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        .hero-vip-form input {
            flex: 1;
            min-width: 200px;
            padding: 13px 18px;
            border-radius: 28px;
            border: 2px solid rgba(255, 255, 255, 0.2);
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
            font-size: 0.95rem;
            outline: none;
            transition: all var(--transition-fast);
            font-family: var(--font-sans);
        }

        .hero-vip-form input::placeholder {
            color: #9999aa;
        }

        .hero-vip-form input:focus {
            border-color: #c8963e;
            background: rgba(255, 255, 255, 0.1);
            box-shadow: 0 0 0 4px rgba(200, 150, 62, 0.15);
        }

        .btn-gold {
            display: inline-block;
            padding: 13px 28px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 0.95rem;
            letter-spacing: 0.03em;
            border: none;
            background: linear-gradient(135deg, #c8963e, #dab866);
            color: #1a1a2e;
            cursor: pointer;
            transition: all var(--transition-normal);
            box-shadow: 0 4px 16px rgba(200, 150, 62, 0.35);
            white-space: nowrap;
            font-family: var(--font-sans);
        }

        .btn-gold:hover {
            background: linear-gradient(135deg, #dab866, #e8c878);
            box-shadow: 0 6px 24px rgba(200, 150, 62, 0.5);
            transform: translateY(-2px);
            color: #1a1a2e;
        }

        .btn-gold:active {
            transform: translateY(0);
            box-shadow: 0 2px 10px rgba(200, 150, 62, 0.3);
        }

        /* ========== VIP TIER CARDS ========== */
        .vip-tier-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .vip-tier-card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            text-align: center;
            border: 2px solid var(--color-border);
            transition: all var(--transition-normal);
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .vip-tier-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }

        .vip-tier-card.tier-silver {
            border-top: 4px solid #b0b8c0;
        }

        .vip-tier-card.tier-gold {
            border-top: 4px solid #c8963e;
            box-shadow: var(--shadow-gold);
        }

        .vip-tier-card.tier-diamond {
            border-top: 4px solid #5b9bd5;
        }

        .vip-tier-card.tier-supreme {
            border-top: 4px solid #e0503b;
            background: linear-gradient(180deg, #fffefb 0%, #fff 40%);
            border-color: #e8c878;
        }

        .vip-tier-icon {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            margin: 0 auto 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            font-weight: 900;
        }

        .tier-silver .vip-tier-icon {
            background: #e8ecf0;
            color: #6b7d8e;
        }

        .tier-gold .vip-tier-icon {
            background: linear-gradient(135deg, #f5e6cc, #e8d5a0);
            color: #8b6914;
        }

        .tier-diamond .vip-tier-icon {
            background: #dceef8;
            color: #3a7ab5;
        }

        .tier-supreme .vip-tier-icon {
            background: linear-gradient(135deg, #ffe0d8, #ffc4b8);
            color: #c9402f;
        }

        .vip-tier-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--color-primary);
        }

        .vip-tier-card .tier-level {
            font-size: 0.85rem;
            color: var(--color-text-weak);
            margin-bottom: 14px;
        }

        .vip-tier-card .tier-benefits {
            list-style: none;
            margin: 0;
            padding: 0;
            text-align: left;
            font-size: 0.88rem;
            color: var(--color-text);
            line-height: 1.8;
        }

        .vip-tier-card .tier-benefits li {
            padding: 4px 0;
            padding-left: 18px;
            position: relative;
        }

        .vip-tier-card .tier-benefits li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--color-success);
            font-weight: 700;
            font-size: 0.75rem;
        }

        .tier-supreme .tier-benefits li::before {
            color: #c8963e;
        }

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

        .benefit-detail-card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-normal);
            border: 1px solid var(--color-border-light);
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

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

        .benefit-detail-card .benefit-icon-wrap {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            flex-shrink: 0;
        }

        .benefit-icon-gold {
            background: #fdf3e0;
            color: #c8963e;
        }

        .benefit-icon-blue {
            background: #e8f2fa;
            color: #3a7ab5;
        }

        .benefit-icon-green {
            background: #e6f4ec;
            color: #3a9d5e;
        }

        .benefit-icon-red {
            background: #fde8e4;
            color: #e0503b;
        }

        .benefit-icon-purple {
            background: #f0e8f8;
            color: #7b4fa0;
        }

        .benefit-icon-teal {
            background: #e4f4f2;
            color: #2e8b7a;
        }

        .benefit-detail-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0;
        }

        .benefit-detail-card p {
            font-size: 0.93rem;
            color: var(--color-text-weak);
            line-height: 1.65;
            margin: 0;
        }

        .benefit-detail-card .benefit-highlight {
            font-size: 1.6rem;
            font-weight: 800;
            color: #c8963e;
            letter-spacing: 0.02em;
        }

        /* ========== VIP GAMES SECTION ========== */
        .vip-games-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .vip-game-card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-normal);
            border: 1px solid var(--color-border-light);
        }

        .vip-game-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }

        .vip-game-card .game-card-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }

        .vip-game-card .game-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .vip-game-card:hover .game-card-img img {
            transform: scale(1.05);
        }

        .vip-game-card .game-card-img .vip-exclusive-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: linear-gradient(135deg, #c8963e, #dab866);
            color: #1a1a2e;
            font-weight: 700;
            font-size: 0.78rem;
            padding: 5px 14px;
            border-radius: 16px;
            letter-spacing: 0.04em;
            z-index: 2;
        }

        .vip-game-card .game-card-body {
            padding: 18px 20px;
        }

        .vip-game-card .game-card-body h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 6px;
        }

        .vip-game-card .game-card-body p {
            font-size: 0.88rem;
            color: var(--color-text-weak);
            margin: 0;
            line-height: 1.5;
        }

        /* ========== UPGRADE PATH ========== */
        .upgrade-path {
            display: flex;
            align-items: flex-start;
            gap: 0;
            flex-wrap: nowrap;
            overflow-x: auto;
            padding: 20px 0;
            position: relative;
        }

        .upgrade-step {
            flex: 1;
            min-width: 180px;
            text-align: center;
            position: relative;
            padding: 0 16px;
        }

        .upgrade-step::after {
            content: '';
            position: absolute;
            top: 32px;
            right: -20px;
            width: 40px;
            height: 2px;
            background: var(--color-border);
            z-index: 0;
        }

        .upgrade-step:last-child::after {
            display: none;
        }

        .upgrade-step-num {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: var(--color-card);
            border: 3px solid var(--color-border);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--color-primary);
            margin: 0 auto 14px;
            position: relative;
            z-index: 1;
            transition: all var(--transition-normal);
        }

        .upgrade-step:hover .upgrade-step-num {
            border-color: #c8963e;
            box-shadow: var(--shadow-gold);
            background: #fffef9;
        }

        .upgrade-step h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 4px;
        }

        .upgrade-step p {
            font-size: 0.85rem;
            color: var(--color-text-weak);
            margin: 0;
            line-height: 1.5;
        }

        /* ========== STATS STRIP ========== */
        .stats-strip {
            background: var(--color-primary);
            color: #fff;
            padding: 48px 0;
            text-align: center;
        }

        .stats-strip-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .stat-item {
            padding: 20px;
        }

        .stat-item .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: #dab866;
            letter-spacing: 0.03em;
            line-height: 1.2;
        }

        .stat-item .stat-label {
            font-size: 0.95rem;
            color: #c5c5d8;
            margin-top: 6px;
        }

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

        .testimonial-card {
            background: var(--color-card);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            position: relative;
        }

        .testimonial-card::before {
            content: '"';
            position: absolute;
            top: 10px;
            right: 20px;
            font-size: 4rem;
            color: #f0ebe2;
            font-weight: 900;
            line-height: 1;
            pointer-events: none;
        }

        .testimonial-card .testimonial-text {
            font-size: 0.95rem;
            color: var(--color-text);
            line-height: 1.7;
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }

        .testimonial-card .testimonial-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .testimonial-card .testimonial-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--color-secondary);
            font-size: 1rem;
            flex-shrink: 0;
        }

        .testimonial-card .testimonial-name {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--color-primary);
        }

        .testimonial-card .testimonial-tier {
            font-size: 0.8rem;
            color: #c8963e;
            font-weight: 600;
        }

        /* ========== FAQ ========== */
        .faq-section-alt {
            background: var(--color-bg-alt);
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--color-card);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-gold-light);
        }

        .faq-question {
            padding: 18px 22px;
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-primary);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            user-select: none;
            transition: color var(--transition-fast);
        }

        .faq-question:hover {
            color: #c8963e;
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            transition: all var(--transition-fast);
            color: var(--color-text-weak);
        }

        .faq-item.open .faq-question .faq-icon {
            background: #c8963e;
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-normal), padding var(--transition-normal);
            padding: 0 22px;
            font-size: 0.93rem;
            color: var(--color-text-weak);
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }

        /* ========== CTA SECTION ========== */
        .cta-vip-section {
            background: linear-gradient(160deg, #1a1a2e 0%, #1f1f38 50%, #1a1a2e 100%);
            color: #fff;
            padding: 70px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-vip-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.08;
            z-index: 0;
        }

        .cta-vip-section .cta-content {
            position: relative;
            z-index: 1;
        }

        .cta-vip-section h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }

        .cta-vip-section h2 .gold-text {
            color: #dab866;
        }

        .cta-vip-section p {
            font-size: 1.05rem;
            color: #c5c5d8;
            margin-bottom: 28px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.7;
        }

        .btn-gold-lg {
            display: inline-block;
            padding: 16px 36px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1.05rem;
            letter-spacing: 0.04em;
            border: none;
            background: linear-gradient(135deg, #c8963e, #dab866);
            color: #1a1a2e;
            cursor: pointer;
            transition: all var(--transition-normal);
            box-shadow: 0 6px 24px rgba(200, 150, 62, 0.4);
            white-space: nowrap;
            font-family: var(--font-sans);
        }

        .btn-gold-lg:hover {
            background: linear-gradient(135deg, #dab866, #e8c878);
            box-shadow: 0 10px 32px rgba(200, 150, 62, 0.55);
            transform: translateY(-3px);
            color: #1a1a2e;
        }

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

        /* ========== BOTTOM BAR ========== */
        .bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: #fff;
            border-top: 1px solid var(--color-border);
            z-index: 999;
            height: var(--bottom-bar-height);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            padding: 0 20px;
            box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.06);
        }

        .bottom-bar .btn-gold-sm {
            padding: 10px 22px;
            border-radius: 22px;
            font-weight: 700;
            font-size: 0.9rem;
            border: none;
            background: linear-gradient(135deg, #c8963e, #dab866);
            color: #1a1a2e;
            cursor: pointer;
            transition: all var(--transition-fast);
            font-family: var(--font-sans);
            white-space: nowrap;
        }

        .bottom-bar .btn-gold-sm:hover {
            box-shadow: 0 4px 16px rgba(200, 150, 62, 0.4);
            transform: translateY(-1px);
        }

        .bottom-bar .btn-outline-sm {
            padding: 10px 22px;
            border-radius: 22px;
            font-weight: 600;
            font-size: 0.9rem;
            border: 2px solid var(--color-border);
            background: transparent;
            color: var(--color-text);
            cursor: pointer;
            transition: all var(--transition-fast);
            font-family: var(--font-sans);
            white-space: nowrap;
        }

        .bottom-bar .btn-outline-sm:hover {
            border-color: #c8963e;
            color: #c8963e;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1a1a2e;
            color: #c5c5d8;
            padding: 48px 0 32px;
            margin-bottom: var(--bottom-bar-height);
        }

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

        .site-footer h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }

        .site-footer ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .site-footer ul li {
            margin-bottom: 8px;
            font-size: 0.9rem;
        }

        .site-footer ul li a {
            color: #c5c5d8;
            transition: color var(--transition-fast);
        }

        .site-footer ul li a:hover {
            color: #dab866;
        }

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.85rem;
            color: #8888a0;
            line-height: 2;
        }

        .site-footer .footer-links-row {
            margin-bottom: 8px;
        }

        .site-footer .footer-links-row a {
            color: #c5c5d8;
            margin: 0 8px;
            transition: color var(--transition-fast);
        }

        .site-footer .footer-links-row a:hover {
            color: #dab866;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-vip .hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-vip-cover {
                max-width: 480px;
                margin: 0 auto;
            }
            .hero-vip-content h1 {
                font-size: 2rem;
            }
            .vip-tier-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .benefit-detail-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .vip-games-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-strip-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .site-footer .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .section-title {
                font-size: 1.7rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 16px;
                box-shadow: var(--shadow-lg);
                border-bottom: 2px solid var(--color-border);
                z-index: 999;
                gap: 2px;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links li a {
                display: block;
                padding: 12px 16px;
                border-radius: var(--radius-sm);
                text-align: center;
                font-size: 0.95rem;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .nav-lang-switch {
                margin-left: auto;
                margin-right: 8px;
            }
            .hero-vip {
                padding: 40px 0 50px;
            }
            .hero-vip-content h1 {
                font-size: 1.7rem;
            }
            .hero-vip-form {
                flex-direction: column;
            }
            .hero-vip-form input {
                min-width: auto;
            }
            .vip-tier-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .benefit-detail-grid {
                grid-template-columns: 1fr;
            }
            .vip-games-grid {
                grid-template-columns: 1fr;
            }
            .stats-strip-grid {
                grid-template-columns: 1fr 1fr;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .upgrade-path {
                flex-wrap: wrap;
                gap: 20px;
                justify-content: center;
            }
            .upgrade-step::after {
                display: none;
            }
            .upgrade-step {
                min-width: 140px;
                flex: 0 0 auto;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .section-pad {
                padding: 40px 0;
            }
            .section-pad-lg {
                padding: 50px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .cta-vip-section h2 {
                font-size: 1.6rem;
            }
            .bottom-bar {
                gap: 10px;
                flex-wrap: wrap;
                height: auto;
                padding: 10px 16px;
            }
        }

        @media (max-width: 520px) {
            .vip-tier-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .stats-strip-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-item .stat-number {
                font-size: 1.8rem;
            }
            .hero-vip-content h1 {
                font-size: 1.4rem;
            }
            .hero-vip-toc ul {
                flex-direction: column;
                gap: 4px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .bottom-bar {
                flex-direction: column;
                gap: 8px;
            }
        }