/* roulang page: index */
:root {
            --color-primary: #1E1E1E;
            --color-accent: #F57C00;
            --color-gold: #C9A84C;
            --color-green: #00A86B;
            --color-bg: #F5F5F5;
            --color-card: #FFFFFF;
            --color-heading: #1A1A1A;
            --color-body: #4A4A4A;
            --color-muted: #7A7A7A;
            --color-border: #E0E0E0;
            --color-nav-bg: #FFFFFF;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 6px 20px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 12px 32px rgba(0, 0, 0, 0.12);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --max-width: 1200px;
            --nav-height: 68px;
        }

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

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

        body {
            font-family: var(--font-stack);
            font-weight: 400;
            line-height: 1.7;
            color: var(--color-body);
            background-color: var(--color-bg);
            min-height: 100vh;
            padding-top: var(--nav-height);
        }

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

        a {
            color: var(--color-accent);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: #d96a00;
            text-decoration: none;
        }
        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 3px;
        }

        button {
            cursor: pointer;
            font-family: var(--font-stack);
        }
        button:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 3px;
        }

        input {
            font-family: var(--font-stack);
        }

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

        /* ========== NAVIGATION ========== */
        .site-nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--color-nav-bg);
            height: var(--nav-height);
            box-shadow: var(--shadow-sm);
            display: flex;
            align-items: center;
            border-bottom: 1px solid var(--color-border);
        }
        .site-nav .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
            height: 100%;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-primary);
            white-space: nowrap;
            letter-spacing: 0.5px;
            text-decoration: none;
            flex-shrink: 0;
        }
        .nav-logo:hover {
            color: var(--color-accent);
        }
        .nav-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--color-accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 700;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
            margin: 0;
            flex-wrap: nowrap;
        }
        .nav-links li a {
            display: inline-block;
            padding: 8px 15px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-body);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
        }
        .nav-links li a:hover,
        .nav-links li a.active {
            color: var(--color-accent);
            background: rgba(245, 124, 0, 0.06);
        }
        .nav-links li a.active {
            font-weight: 600;
        }
        .nav-cta-group {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .btn-nav-secondary {
            display: inline-block;
            padding: 8px 18px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-body);
            background: transparent;
            border: 1.5px solid var(--color-border);
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
            text-align: center;
        }
        .btn-nav-secondary:hover {
            background: #f9f9f9;
            border-color: #bbb;
            color: var(--color-primary);
        }
        .btn-nav-primary {
            display: inline-block;
            padding: 9px 20px;
            font-size: 0.9rem;
            font-weight: 600;
            color: #fff;
            background: var(--color-accent);
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
            text-align: center;
        }
        .btn-nav-primary:hover {
            background: #e06d00;
            color: #fff;
            box-shadow: var(--shadow-md);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-primary);
            cursor: pointer;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
        }
        .nav-toggle:hover {
            background: #f5f5f5;
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            background: #fff;
            box-shadow: var(--shadow-lg);
            z-index: 999;
            padding: 16px 20px;
            flex-direction: column;
            gap: 6px;
            border-bottom: 1px solid var(--color-border);
        }
        .mobile-menu.active {
            display: flex;
        }
        .mobile-menu a {
            display: block;
            padding: 10px 14px;
            font-size: 1rem;
            font-weight: 500;
            color: var(--color-body);
            border-radius: var(--radius-sm);
            text-decoration: none;
            transition: all var(--transition-fast);
        }
        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--color-accent);
            background: rgba(245, 124, 0, 0.05);
        }
        .mobile-menu .mobile-cta-group {
            display: flex;
            gap: 10px;
            margin-top: 8px;
            flex-wrap: wrap;
        }
        .mobile-menu .btn-nav-secondary,
        .mobile-menu .btn-nav-primary {
            flex: 1;
            text-align: center;
            min-width: 100px;
        }

        @media (max-width: 860px) {
            .nav-links {
                display: none;
            }
            .nav-cta-group {
                display: none;
            }
            .nav-toggle {
                display: block;
            }
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
            min-height: 580px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: rgba(20, 18, 15, 0.72);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
            padding: 60px 0;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .hero-text h1 {
            font-size: 2.8rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.25;
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }
        .hero-text h1 .highlight {
            color: var(--color-accent);
        }
        .hero-text .hero-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 520px;
        }
        .hero-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 24px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: 20px;
            padding: 7px 16px;
            font-size: 0.85rem;
            color: #fff;
            font-weight: 500;
            backdrop-filter: blur(4px);
        }
        .hero-badge i {
            color: var(--color-gold);
            font-size: 0.8rem;
        }
        .hero-cta-row {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-hero-primary {
            display: inline-block;
            padding: 14px 32px;
            font-size: 1.05rem;
            font-weight: 600;
            color: #fff;
            background: var(--color-accent);
            border: none;
            border-radius: var(--radius-md);
            cursor: pointer;
            transition: all var(--transition-normal);
            text-decoration: none;
            text-align: center;
            letter-spacing: 0.3px;
        }
        .btn-hero-primary:hover {
            background: #e06d00;
            color: #fff;
            box-shadow: var(--shadow-lg);
            transform: translateY(-1px);
        }
        .btn-hero-secondary {
            display: inline-block;
            padding: 14px 32px;
            font-size: 1.05rem;
            font-weight: 500;
            color: #fff;
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.5);
            border-radius: var(--radius-md);
            cursor: pointer;
            transition: all var(--transition-normal);
            text-decoration: none;
            text-align: center;
            letter-spacing: 0.3px;
        }
        .btn-hero-secondary:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
        }
        .hero-right-card {
            background: rgba(255, 255, 255, 0.95);
            border-radius: var(--radius-lg);
            padding: 30px 28px;
            box-shadow: var(--shadow-xl);
            color: var(--color-heading);
        }
        .hero-right-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--color-primary);
        }
        .hero-right-card .card-subtitle {
            font-size: 0.9rem;
            color: var(--color-muted);
            margin-bottom: 18px;
        }
        .hero-right-card .perk-list {
            list-style: none;
            margin: 0 0 20px 0;
            padding: 0;
        }
        .hero-right-card .perk-list li {
            padding: 7px 0;
            font-size: 0.95rem;
            color: var(--color-body);
            display: flex;
            align-items: center;
            gap: 8px;
            border-bottom: 1px solid #f0f0f0;
        }
        .hero-right-card .perk-list li:last-child {
            border-bottom: none;
        }
        .hero-right-card .perk-list li i {
            color: var(--color-green);
            font-size: 0.85rem;
            flex-shrink: 0;
        }
        .hero-right-card .btn-apply {
            display: block;
            width: 100%;
            padding: 13px;
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            background: var(--color-accent);
            border: none;
            border-radius: var(--radius-md);
            cursor: pointer;
            transition: all var(--transition-normal);
            text-align: center;
            text-decoration: none;
        }
        .hero-right-card .btn-apply:hover {
            background: #e06d00;
            box-shadow: var(--shadow-md);
        }

        @media (max-width: 860px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .hero-text h1 {
                font-size: 2rem;
            }
            .hero-section {
                min-height: auto;
            }
            .hero-right-card {
                margin-top: 10px;
            }
        }
        @media (max-width: 520px) {
            .hero-text h1 {
                font-size: 1.6rem;
            }
            .hero-text .hero-desc {
                font-size: 0.95rem;
            }
            .hero-cta-row {
                flex-direction: column;
            }
            .btn-hero-primary,
            .btn-hero-secondary {
                width: 100%;
                text-align: center;
            }
        }

        /* ========== SECTIONS ========== */
        .section {
            padding: 64px 0;
        }
        .section-sm {
            padding: 48px 0;
        }
        .section-dark {
            background: var(--color-primary);
            color: #fff;
        }
        .section-light {
            background: #fff;
        }
        .section-bg {
            background: var(--color-bg);
        }
        .section-header {
            text-align: center;
            margin-bottom: 44px;
        }
        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-heading);
            margin-bottom: 10px;
            letter-spacing: 0.3px;
        }
        .section-dark .section-header h2 {
            color: #fff;
        }
        .section-header .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-muted);
            max-width: 640px;
            margin: 0 auto;
            line-height: 1.7;
        }
        .section-dark .section-header .section-subtitle {
            color: rgba(255, 255, 255, 0.7);
        }
        .section-tag {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--color-accent);
            text-transform: uppercase;
            letter-spacing: 1.5px;
            margin-bottom: 8px;
            background: rgba(245, 124, 0, 0.08);
            padding: 4px 12px;
            border-radius: 20px;
        }
        .section-dark .section-tag {
            background: rgba(245, 124, 0, 0.2);
            color: var(--color-accent);
        }

        /* ========== CARDS ========== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .card-grid.cols-2 {
            grid-template-columns: repeat(2, 1fr);
        }
        .card-grid.cols-4 {
            grid-template-columns: repeat(4, 1fr);
        }
        .card {
            background: var(--color-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            padding: 28px 24px;
            transition: all var(--transition-normal);
            box-shadow: var(--shadow-sm);
        }
        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
            border-color: #d0d0d0;
        }
        .card .card-icon {
            width: 50px;
            height: 50px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 16px;
            color: #fff;
            background: var(--color-accent);
        }
        .card .card-icon.icon-green {
            background: var(--color-green);
        }
        .card .card-icon.icon-gold {
            background: var(--color-gold);
        }
        .card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-heading);
            margin-bottom: 8px;
        }
        .card p {
            font-size: 0.95rem;
            color: var(--color-muted);
            line-height: 1.6;
            margin: 0;
        }
        .card .card-link {
            display: inline-block;
            margin-top: 12px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-accent);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        .card .card-link:hover {
            color: #d96a00;
        }
        .card .card-link i {
            margin-left: 4px;
            font-size: 0.75rem;
        }

        @media (max-width: 860px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .card-grid.cols-4 {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .card-grid,
            .card-grid.cols-2,
            .card-grid.cols-4 {
                grid-template-columns: 1fr;
            }
        }

        /* ========== SCENE DEMO ========== */
        .scene-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            margin-bottom: 48px;
        }
        .scene-row:last-child {
            margin-bottom: 0;
        }
        .scene-row.reverse {
            direction: rtl;
        }
        .scene-row.reverse .scene-text {
            direction: ltr;
        }
        .scene-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            aspect-ratio: 16 / 10;
            background: #eaeaea;
        }
        .scene-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .scene-text h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-heading);
            margin-bottom: 10px;
        }
        .scene-text p {
            font-size: 1rem;
            color: var(--color-body);
            line-height: 1.7;
            margin-bottom: 12px;
        }
        .scene-text .scene-tag {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--color-accent);
            background: rgba(245, 124, 0, 0.08);
            padding: 3px 10px;
            border-radius: 20px;
            margin-bottom: 8px;
        }
        @media (max-width: 768px) {
            .scene-row {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .scene-row.reverse {
                direction: ltr;
            }
            .scene-img {
                aspect-ratio: 16 / 9;
            }
        }

        /* ========== BRAND INTRO ========== */
        .brand-intro-block {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            box-shadow: var(--shadow-md);
            border-left: 5px solid var(--color-accent);
            max-width: 900px;
            margin: 0 auto;
        }
        .brand-intro-block h3 {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--color-heading);
            margin-bottom: 14px;
        }
        .brand-intro-block p {
            font-size: 1rem;
            color: var(--color-body);
            line-height: 1.8;
            margin: 0;
        }

        /* ========== SOCIAL PROOF ========== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .testimonial-card {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 28px 24px;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-lg);
        }
        .testimonial-card .quote-icon {
            font-size: 2rem;
            color: var(--color-accent);
            opacity: 0.4;
            margin-bottom: 10px;
            line-height: 1;
        }
        .testimonial-card .quote-text {
            font-size: 0.95rem;
            color: var(--color-body);
            line-height: 1.7;
            margin-bottom: 14px;
            font-style: italic;
        }
        .testimonial-card .author-row {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .testimonial-card .author-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: #ddd;
            flex-shrink: 0;
            overflow: hidden;
        }
        .testimonial-card .author-avatar img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .testimonial-card .author-name {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-heading);
        }
        .testimonial-card .author-role {
            font-size: 0.8rem;
            color: var(--color-muted);
        }
        @media (max-width: 768px) {
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== TIMELINE ========== */
        .timeline {
            position: relative;
            padding-left: 36px;
            border-left: 3px solid var(--color-accent);
            margin-left: 20px;
        }
        .timeline-item {
            position: relative;
            margin-bottom: 32px;
            padding-left: 20px;
        }
        .timeline-item:last-child {
            margin-bottom: 0;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -44px;
            top: 6px;
            width: 14px;
            height: 14px;
            background: var(--color-accent);
            border-radius: 50%;
            border: 3px solid #fff;
            box-shadow: 0 0 0 3px var(--color-accent);
        }
        .timeline-item .time-label {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-accent);
            margin-bottom: 4px;
        }
        .timeline-item h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-heading);
            margin-bottom: 4px;
        }
        .timeline-item p {
            font-size: 0.9rem;
            color: var(--color-muted);
            margin: 0;
        }

        /* ========== NEWS ========== */
        .news-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .news-list li {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 16px 0;
            border-bottom: 1px solid var(--color-border);
            transition: background var(--transition-fast);
        }
        .news-list li:last-child {
            border-bottom: none;
        }
        .news-list li:hover {
            background: #fafafa;
            border-radius: var(--radius-sm);
            padding-left: 8px;
            padding-right: 8px;
        }
        .news-date {
            flex-shrink: 0;
            font-size: 0.8rem;
            color: var(--color-muted);
            background: #f0f0f0;
            padding: 4px 10px;
            border-radius: 20px;
            white-space: nowrap;
            font-weight: 500;
            min-width: 90px;
            text-align: center;
        }
        .news-info h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-heading);
            margin-bottom: 3px;
            line-height: 1.4;
        }
        .news-info p {
            font-size: 0.88rem;
            color: var(--color-muted);
            margin: 0 0 6px 0;
            line-height: 1.5;
        }
        .news-info .news-readmore {
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--color-accent);
            text-decoration: none;
        }
        .news-info .news-readmore:hover {
            text-decoration: underline;
        }
        .news-sidebar {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 20px;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
        }
        .news-sidebar h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--color-heading);
        }
        .news-sidebar .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .news-sidebar .tag-cloud a {
            display: inline-block;
            padding: 5px 12px;
            font-size: 0.8rem;
            background: #f5f5f5;
            border-radius: 20px;
            color: var(--color-body);
            text-decoration: none;
            transition: all var(--transition-fast);
        }
        .news-sidebar .tag-cloud a:hover {
            background: var(--color-accent);
            color: #fff;
        }
        .news-layout {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 30px;
            align-items: start;
        }
        @media (max-width: 768px) {
            .news-layout {
                grid-template-columns: 1fr;
            }
            .news-sidebar {
                order: 2;
            }
        }

        /* ========== PRICING ========== */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            align-items: stretch;
        }
        .pricing-card {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            padding: 32px 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
        }
        .pricing-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .pricing-card.featured {
            border: 2px solid var(--color-accent);
            box-shadow: var(--shadow-lg);
            position: relative;
            transform: scale(1.03);
            z-index: 2;
        }
        .pricing-card.featured:hover {
            transform: scale(1.03) translateY(-3px);
        }
        .pricing-card .pricing-badge {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--color-accent);
            color: #fff;
            padding: 5px 16px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            white-space: nowrap;
        }
        .pricing-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--color-heading);
            margin-bottom: 6px;
        }
        .pricing-card .price {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--color-accent);
            margin: 10px 0;
        }
        .pricing-card .price small {
            font-size: 0.9rem;
            font-weight: 400;
            color: var(--color-muted);
        }
        .pricing-card .pricing-features {
            list-style: none;
            margin: 0 0 20px 0;
            padding: 0;
            text-align: left;
            flex-grow: 1;
        }
        .pricing-card .pricing-features li {
            padding: 6px 0;
            font-size: 0.9rem;
            color: var(--color-body);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .pricing-card .pricing-features li i {
            color: var(--color-green);
            font-size: 0.8rem;
            flex-shrink: 0;
        }
        .pricing-card .btn-pricing {
            display: block;
            width: 100%;
            padding: 12px;
            font-size: 1rem;
            font-weight: 600;
            border-radius: var(--radius-md);
            cursor: pointer;
            transition: all var(--transition-normal);
            text-align: center;
            text-decoration: none;
            border: 2px solid var(--color-accent);
            background: transparent;
            color: var(--color-accent);
        }
        .pricing-card .btn-pricing:hover {
            background: rgba(245, 124, 0, 0.05);
        }
        .pricing-card.featured .btn-pricing {
            background: var(--color-accent);
            color: #fff;
            border-color: var(--color-accent);
        }
        .pricing-card.featured .btn-pricing:hover {
            background: #e06d00;
            border-color: #e06d00;
        }
        @media (max-width: 860px) {
            .pricing-grid {
                grid-template-columns: 1fr;
                max-width: 420px;
                margin: 0 auto;
            }
            .pricing-card.featured {
                transform: scale(1);
            }
            .pricing-card.featured:hover {
                transform: scale(1) translateY(-3px);
            }
        }

        /* ========== TOPIC TAGS ========== */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .topic-card {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            padding: 20px 16px;
            text-align: center;
            transition: all var(--transition-normal);
            box-shadow: var(--shadow-sm);
            text-decoration: none;
            color: var(--color-heading);
        }
        .topic-card:hover {
            box-shadow: var(--shadow-lg);
            border-color: var(--color-accent);
            color: var(--color-accent);
            transform: translateY(-2px);
        }
        .topic-card .topic-icon {
            font-size: 1.8rem;
            margin-bottom: 8px;
            color: var(--color-accent);
        }
        .topic-card h4 {
            font-size: 1rem;
            font-weight: 600;
            margin: 0 0 4px 0;
        }
        .topic-card p {
            font-size: 0.8rem;
            color: var(--color-muted);
            margin: 0;
        }
        @media (max-width: 860px) {
            .topic-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .topic-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== REWARDS ========== */
        .reward-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .reward-card {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            padding: 24px 16px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            position: relative;
            overflow: hidden;
        }
        .reward-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .reward-card .reward-ribbon {
            position: absolute;
            top: 16px;
            right: -28px;
            background: var(--color-accent);
            color: #fff;
            font-size: 0.7rem;
            font-weight: 600;
            padding: 3px 30px;
            transform: rotate(45deg);
            white-space: nowrap;
        }
        .reward-card .reward-img {
            width: 70px;
            height: 70px;
            margin: 0 auto 14px;
            background: #f9f9f9;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            border: 2px dashed var(--color-border);
        }
        .reward-card h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-heading);
            margin-bottom: 4px;
        }
        .reward-card p {
            font-size: 0.82rem;
            color: var(--color-muted);
            margin: 0 0 10px 0;
        }
        .reward-card .reward-progress {
            height: 6px;
            background: #eee;
            border-radius: 3px;
            overflow: hidden;
            margin-bottom: 8px;
        }
        .reward-card .reward-progress-fill {
            height: 100%;
            background: var(--color-accent);
            border-radius: 3px;
        }
        .reward-card .reward-cta {
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--color-accent);
            text-decoration: none;
        }
        .reward-card .reward-cta:hover {
            text-decoration: underline;
        }
        @media (max-width: 860px) {
            .reward-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .reward-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            list-style: none;
            padding: 0;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            margin-bottom: 10px;
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            padding: 18px 24px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-heading);
            background: none;
            border: none;
            cursor: pointer;
            text-align: left;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            transition: background var(--transition-fast);
        }
        .faq-question:hover {
            background: #fafafa;
        }
        .faq-question .faq-icon {
            font-size: 0.9rem;
            color: var(--color-accent);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 24px;
            font-size: 0.95rem;
            color: var(--color-body);
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 18px;
        }

        /* ========== CTA FORM ========== */
        .cta-form-section {
            background: linear-gradient(135deg, #1E1E1E 0%, #2C2A26 100%);
            color: #fff;
            padding: 56px 0;
        }
        .cta-form-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .cta-form-text h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: #fff;
        }
        .cta-form-text p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .cta-form-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 30px 28px;
            box-shadow: var(--shadow-xl);
            color: var(--color-heading);
        }
        .cta-form-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--color-heading);
        }
        .cta-form-card .form-group {
            margin-bottom: 14px;
        }
        .cta-form-card label {
            display: block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-body);
            margin-bottom: 4px;
        }
        .cta-form-card input {
            width: 100%;
            padding: 11px 14px;
            font-size: 0.95rem;
            border: 1.5px solid var(--color-border);
            border-radius: var(--radius-sm);
            transition: border-color var(--transition-fast);
            background: #fafafa;
            color: var(--color-heading);
        }
        .cta-form-card input:focus {
            outline: none;
            border-color: var(--color-accent);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(245, 124, 0, 0.08);
        }
        .cta-form-card .btn-submit {
            width: 100%;
            padding: 13px;
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            background: var(--color-accent);
            border: none;
            border-radius: var(--radius-md);
            cursor: pointer;
            transition: all var(--transition-normal);
            margin-top: 4px;
        }
        .cta-form-card .btn-submit:hover {
            background: #e06d00;
            box-shadow: var(--shadow-md);
        }
        .cta-form-card .form-note {
            font-size: 0.78rem;
            color: var(--color-muted);
            text-align: center;
            margin-top: 10px;
        }
        @media (max-width: 768px) {
            .cta-form-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1A1A1A;
            color: #ccc;
            padding: 48px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 30px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-col p {
            font-size: 0.88rem;
            color: #999;
            line-height: 1.6;
            margin: 0;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 7px;
        }
        .footer-col ul li a {
            font-size: 0.88rem;
            color: #bbb;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--color-accent);
        }
        .footer-subscribe {
            display: flex;
            gap: 8px;
            margin-top: 8px;
        }
        .footer-subscribe input {
            flex: 1;
            padding: 9px 12px;
            font-size: 0.85rem;
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.05);
            color: #fff;
        }
        .footer-subscribe input:focus {
            outline: none;
            border-color: var(--color-accent);
        }
        .footer-subscribe button {
            padding: 9px 16px;
            font-size: 0.85rem;
            font-weight: 600;
            background: var(--color-accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            white-space: nowrap;
            transition: background var(--transition-fast);
        }
        .footer-subscribe button:hover {
            background: #e06d00;
        }
        .footer-bottom {
            padding: 20px 0;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 0.82rem;
            color: #777;
        }
        .footer-bottom a {
            color: #999;
            text-decoration: none;
            margin: 0 6px;
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: var(--color-accent);
        }
        .footer-bottom .footer-links-row {
            display: flex;
            flex-wrap: wrap;
            gap: 4px;
            align-items: center;
        }
        @media (max-width: 860px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ========== UTILITY ========== */
        .text-center {
            text-align: center;
        }
        .mt-0 {
            margin-top: 0;
        }
        .mt-2 {
            margin-top: 16px;
        }
        .mt-3 {
            margin-top: 24px;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .mb-2 {
            margin-bottom: 16px;
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

        /* ========== DEEP CONTENT ========== */
        .deep-content {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 36px 32px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border);
            line-height: 1.8;
        }
        .deep-content h3 {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-heading);
            margin-bottom: 14px;
        }
        .deep-content p {
            font-size: 1rem;
            color: var(--color-body);
            margin-bottom: 14px;
        }
        .deep-content p:last-child {
            margin-bottom: 0;
        }
        .deep-content .highlight-box {
            background: #fdf8f2;
            border-left: 4px solid var(--color-accent);
            padding: 16px 20px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 16px 0;
        }
        .highlight-stat {
            display: inline-block;
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-accent);
            margin-right: 6px;
        }

/* roulang page: category2 */
:root {
            --color-primary: #1E1E1E;
            --color-accent: #F57C00;
            --color-gold: #C9A84C;
            --color-green: #00A86B;
            --color-bg: #F5F5F5;
            --color-card: #FFFFFF;
            --color-heading: #1A1A1A;
            --color-body: #4A4A4A;
            --color-muted: #7A7A7A;
            --color-border: #E0E0E0;
            --color-nav-bg: #FFFFFF;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 6px 20px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 12px 32px rgba(0, 0, 0, 0.12);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --max-width: 1200px;
            --nav-height: 68px;
        }

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

        body {
            font-family: var(--font-stack);
            font-weight: 400;
            line-height: 1.7;
            color: var(--color-body);
            background-color: var(--color-bg);
            min-height: 100vh;
            padding-top: var(--nav-height);
            margin: 0;
        }

        /* 基础复位 */
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--color-accent);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: #d96a00;
            text-decoration: none;
        }
        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 3px;
        }

        button {
            cursor: pointer;
            font-family: var(--font-stack);
        }
        button:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 3px;
        }

        input {
            font-family: var(--font-stack);
        }

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

        /* ========== 导航 ========== */
        .site-nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--color-nav-bg);
            height: var(--nav-height);
            box-shadow: var(--shadow-sm);
            display: flex;
            align-items: center;
            border-bottom: 1px solid var(--color-border);
        }
        .site-nav .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
            height: 100%;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-primary);
            white-space: nowrap;
            letter-spacing: 0.5px;
            text-decoration: none;
            flex-shrink: 0;
        }
        .nav-logo:hover {
            color: var(--color-accent);
        }
        .nav-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--color-accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 700;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
            margin: 0;
            flex-wrap: nowrap;
        }
        .nav-links li a {
            display: inline-block;
            padding: 8px 15px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-body);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
        }
        .nav-links li a:hover,
        .nav-links li a.active {
            color: var(--color-accent);
            background: rgba(245, 124, 0, 0.06);
        }
        .nav-links li a.active {
            font-weight: 600;
        }
        .nav-cta-group {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .btn-nav-secondary {
            display: inline-block;
            padding: 8px 18px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-body);
            background: transparent;
            border: 1.5px solid var(--color-border);
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
            text-align: center;
        }
        .btn-nav-secondary:hover {
            background: #f9f9f9;
            border-color: #bbb;
            color: var(--color-primary);
        }
        .btn-nav-primary {
            display: inline-block;
            padding: 9px 20px;
            font-size: 0.9rem;
            font-weight: 600;
            color: #fff;
            background: var(--color-accent);
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
            text-align: center;
        }
        .btn-nav-primary:hover {
            background: #e06d00;
            color: #fff;
            box-shadow: var(--shadow-md);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-primary);
            padding: 8px;
        }

        /* ========== 通用按钮 ========== */
        .btn {
            display: inline-block;
            padding: 10px 24px;
            font-size: 0.95rem;
            font-weight: 600;
            border-radius: var(--radius-sm);
            text-align: center;
            transition: all var(--transition-fast);
            cursor: pointer;
            text-decoration: none;
            border: none;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--color-accent);
            color: #fff;
        }
        .btn-primary:hover {
            background: #e06d00;
            color: #fff;
            box-shadow: var(--shadow-md);
        }
        .btn-outline {
            background: transparent;
            color: var(--color-accent);
            border: 1.5px solid var(--color-accent);
        }
        .btn-outline:hover {
            background: rgba(245, 124, 0, 0.06);
            color: #e06d00;
        }
        .btn-sm {
            padding: 6px 16px;
            font-size: 0.875rem;
        }

        /* ========== 顶部横幅 ========== */
        .page-banner {
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            position: relative;
            padding: 70px 0;
            color: #fff;
            text-align: center;
            margin-bottom: 40px;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.6);
            z-index: 1;
        }
        .page-banner .banner-content {
            position: relative;
            z-index: 2;
            max-width: 700px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .page-banner h1 {
            font-size: 2.8rem;
            font-weight: 700;
            margin-bottom: 15px;
            color: #fff;
            letter-spacing: 1px;
        }
        .page-banner .banner-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.9);
            line-height: 1.6;
            margin-bottom: 0;
        }

        /* ========== 内容区域 ========== */
        .content-section {
            padding: 40px 0;
        }
        .wiki-card {
            background: var(--color-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            overflow: hidden;
            transition: all var(--transition-normal);
            margin-bottom: 30px;
            display: flex;
            flex-direction: column;
        }
        .wiki-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .wiki-card .card-img {
            height: 200px;
            object-fit: cover;
            width: 100%;
        }
        .wiki-card .card-body {
            padding: 20px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .wiki-card .card-body h3 {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-heading);
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .wiki-card .card-body p {
            font-size: 0.95rem;
            color: var(--color-body);
            line-height: 1.6;
            margin-bottom: 15px;
            flex: 1;
        }
        .wiki-card .card-body .btn {
            align-self: flex-start;
        }

        /* ========== 侧边栏 ========== */
        .sidebar {
            background: var(--color-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            padding: 24px;
            margin-bottom: 30px;
        }
        .sidebar h4 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-heading);
            margin-bottom: 15px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--color-accent);
        }
        .sidebar .tag-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .sidebar .tag-list li a {
            display: inline-block;
            padding: 5px 14px;
            background: #f3f3f3;
            border-radius: 20px;
            font-size: 0.85rem;
            color: var(--color-body);
            transition: all var(--transition-fast);
        }
        .sidebar .tag-list li a:hover {
            background: var(--color-accent);
            color: #fff;
        }
        .sidebar .related-links {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .sidebar .related-links li {
            border-bottom: 1px solid #f0f0f0;
        }
        .sidebar .related-links li:last-child {
            border-bottom: none;
        }
        .sidebar .related-links li a {
            display: block;
            padding: 10px 0;
            color: var(--color-body);
            font-size: 0.95rem;
            transition: all var(--transition-fast);
        }
        .sidebar .related-links li a:hover {
            color: var(--color-accent);
            padding-left: 5px;
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--color-card);
            border-radius: var(--radius-md);
            padding: 40px 30px;
            margin: 40px 0;
            border: 1px solid var(--color-border);
        }
        .faq-section h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-heading);
            margin-bottom: 30px;
            text-align: center;
        }
        .accordion-item {
            border-bottom: 1px solid var(--color-border);
        }
        .accordion-title {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--color-heading);
            padding: 18px 0;
            cursor: pointer;
            position: relative;
            transition: color var(--transition-fast);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .accordion-title:hover {
            color: var(--color-accent);
        }
        .accordion-title::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 0.9rem;
            transition: transform var(--transition-normal);
        }
        .accordion-item.active .accordion-title::after {
            transform: rotate(180deg);
        }
        .accordion-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
            font-size: 0.95rem;
            color: var(--color-body);
            line-height: 1.7;
            padding: 0;
        }
        .accordion-item.active .accordion-content {
            max-height: 500px;
            padding-bottom: 20px;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: #1E1E1E;
            color: #ccc;
            padding: 50px 0 20px;
            margin-top: 60px;
        }
        .site-footer .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            margin-bottom: 40px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 15px;
        }
        .footer-col p {
            font-size: 0.9rem;
            color: #aaa;
            line-height: 1.6;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: #aaa;
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: #fff;
        }
        .footer-subscribe {
            display: flex;
            gap: 8px;
            margin-top: 10px;
        }
        .footer-subscribe input {
            flex: 1;
            padding: 10px 12px;
            border: 1px solid #444;
            border-radius: var(--radius-sm);
            background: #2a2a2a;
            color: #fff;
            font-size: 0.9rem;
        }
        .footer-subscribe button {
            padding: 10px 18px;
            background: var(--color-accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            font-weight: 600;
            cursor: pointer;
            transition: background var(--transition-fast);
        }
        .footer-subscribe button:hover {
            background: #e06d00;
        }
        .footer-bottom {
            border-top: 1px solid #333;
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            font-size: 0.85rem;
            color: #888;
        }
        .footer-links-row {
            display: flex;
            gap: 10px;
            align-items: center;
            flex-wrap: wrap;
        }
        .footer-links-row a {
            color: #aaa;
        }
        .footer-links-row a:hover {
            color: #fff;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                width: 100%;
                background: #fff;
                box-shadow: var(--shadow-md);
                padding: 15px;
            }
            .nav-links.show {
                display: flex;
            }
            .nav-toggle {
                display: block;
            }
            .nav-cta-group {
                gap: 6px;
            }
            .page-banner h1 {
                font-size: 2rem;
            }
            .wiki-card .card-img {
                height: 180px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 10px;
            }
        }
        @media (max-width: 520px) {
            .page-banner {
                padding: 50px 0;
            }
            .page-banner h1 {
                font-size: 1.8rem;
            }
            .wiki-card .card-body {
                padding: 15px;
            }
            .faq-section {
                padding: 25px 15px;
            }
        }

/* roulang page: category3 */
:root {
            --color-primary: #1E1E1E;
            --color-accent: #F57C00;
            --color-gold: #C9A84C;
            --color-green: #00A86B;
            --color-bg: #F5F5F5;
            --color-card: #FFFFFF;
            --color-heading: #1A1A1A;
            --color-body: #4A4A4A;
            --color-muted: #7A7A7A;
            --color-border: #E0E0E0;
            --color-nav-bg: #FFFFFF;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 6px 20px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 12px 32px rgba(0, 0, 0, 0.12);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --max-width: 1200px;
            --nav-height: 68px;
        }

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

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

        body {
            font-family: var(--font-stack);
            font-weight: 400;
            line-height: 1.7;
            color: var(--color-body);
            background-color: var(--color-bg);
            min-height: 100vh;
            padding-top: var(--nav-height);
            margin: 0;
        }

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

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

        a:hover {
            color: #d96a00;
            text-decoration: none;
        }

        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 3px;
        }

        button {
            cursor: pointer;
            font-family: var(--font-stack);
        }

        button:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 3px;
        }

        input {
            font-family: var(--font-stack);
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--color-heading);
            font-weight: 700;
            line-height: 1.35;
            margin-top: 0;
        }

        h1 {
            font-size: 2.5rem;
        }
        h2 {
            font-size: 2rem;
        }
        h3 {
            font-size: 1.5rem;
        }
        h4 {
            font-size: 1.25rem;
        }

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

        /* ========== NAVIGATION ========== */
        .site-nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--color-nav-bg);
            height: var(--nav-height);
            box-shadow: var(--shadow-sm);
            display: flex;
            align-items: center;
            border-bottom: 1px solid var(--color-border);
        }

        .site-nav .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
            height: 100%;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-primary);
            white-space: nowrap;
            letter-spacing: 0.5px;
            text-decoration: none;
            flex-shrink: 0;
        }

        .nav-logo:hover {
            color: var(--color-accent);
        }

        .nav-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--color-accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: nowrap;
        }

        .nav-links li a {
            display: inline-block;
            padding: 8px 15px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-body);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
        }

        .nav-links li a:hover,
        .nav-links li a.active {
            color: var(--color-accent);
            background: rgba(245, 124, 0, 0.06);
        }

        .nav-links li a.active {
            font-weight: 600;
        }

        .nav-cta-group {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .btn-nav-secondary {
            display: inline-block;
            padding: 8px 18px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-body);
            background: transparent;
            border: 1.5px solid var(--color-border);
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
            text-align: center;
        }

        .btn-nav-secondary:hover {
            background: #f9f9f9;
            border-color: #bbb;
            color: var(--color-primary);
        }

        .btn-nav-primary {
            display: inline-block;
            padding: 9px 20px;
            font-size: 0.9rem;
            font-weight: 600;
            color: #fff;
            background: var(--color-accent);
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
            text-align: center;
        }

        .btn-nav-primary:hover {
            background: #e06d00;
            color: #fff;
            box-shadow: var(--shadow-md);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: 1.5px solid var(--color-border);
            border-radius: var(--radius-sm);
            padding: 8px 12px;
            font-size: 1.2rem;
            color: var(--color-body);
            cursor: pointer;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }

        .nav-toggle:hover {
            background: #f9f9f9;
            color: var(--color-primary);
        }

        /* ========== BUTTONS ========== */
        .btn-primary {
            display: inline-block;
            padding: 12px 28px;
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            background: var(--color-accent);
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-normal);
            text-decoration: none;
            text-align: center;
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: #e06d00;
            color: #fff;
            box-shadow: var(--shadow-lg);
            transform: translateY(-1px);
        }

        .btn-secondary {
            display: inline-block;
            padding: 11px 26px;
            font-size: 1rem;
            font-weight: 500;
            color: var(--color-body);
            background: transparent;
            border: 2px solid var(--color-border);
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-normal);
            text-decoration: none;
            text-align: center;
            white-space: nowrap;
        }

        .btn-secondary:hover {
            background: #f5f5f5;
            border-color: #bbb;
            color: var(--color-primary);
        }

        .btn-outline-light {
            display: inline-block;
            padding: 10px 24px;
            font-size: 0.95rem;
            font-weight: 500;
            color: #fff;
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.7);
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-normal);
            text-decoration: none;
            text-align: center;
            white-space: nowrap;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: #fff;
            color: #fff;
        }

        /* ========== HERO ========== */
        .hero-banner {
            position: relative;
            min-height: 480px;
            display: flex;
            align-items: center;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
            margin-bottom: 0;
        }

        .hero-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(30, 30, 30, 0.82) 0%, rgba(20, 20, 20, 0.7) 100%);
            z-index: 1;
        }

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

        .hero-banner .hero-inner {
            max-width: 700px;
        }

        .hero-banner .hero-eyebrow {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-gold);
            letter-spacing: 2px;
            text-transform: uppercase;
            margin-bottom: 16px;
            background: rgba(201, 168, 76, 0.12);
            padding: 6px 16px;
            border-radius: 20px;
        }

        .hero-banner h1 {
            color: #fff;
            font-size: 2.8rem;
            font-weight: 700;
            margin-bottom: 16px;
            line-height: 1.25;
        }

        .hero-banner .hero-subtitle {
            color: rgba(255, 255, 255, 0.9);
            font-size: 1.15rem;
            line-height: 1.7;
            margin-bottom: 32px;
            max-width: 560px;
        }

        .hero-banner .hero-cta-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .hero-banner .hero-stats {
            display: flex;
            gap: 36px;
            margin-top: 28px;
            flex-wrap: wrap;
        }

        .hero-banner .hero-stat-item {
            display: flex;
            flex-direction: column;
        }

        .hero-banner .hero-stat-num {
            font-size: 1.8rem;
            font-weight: 700;
            color: #fff;
            line-height: 1;
        }

        .hero-banner .hero-stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
        }

        /* ========== SECTIONS ========== */
        .section {
            padding: 64px 0;
        }

        .section-alt {
            background: #fff;
        }

        .section-dark {
            background: #1E1E1E;
            color: #ccc;
        }

        .section-dark h2,
        .section-dark h3 {
            color: #fff;
        }

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

        .section-header h2 {
            margin-bottom: 12px;
            font-size: 2rem;
        }

        .section-header .section-desc {
            color: var(--color-muted);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.7;
        }

        .section-dark .section-desc {
            color: #aaa;
        }

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

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

        .card-game .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: #e8e8e8;
        }

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

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

        .card-game .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--color-accent);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
            z-index: 2;
            letter-spacing: 0.5px;
        }

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

        .card-game .card-body h3 {
            font-size: 1.2rem;
            margin-bottom: 8px;
            color: var(--color-heading);
        }

        .card-game .card-body p {
            font-size: 0.95rem;
            color: var(--color-muted);
            line-height: 1.6;
            margin-bottom: 16px;
            flex: 1;
        }

        .card-game .card-body .btn-card {
            display: inline-block;
            padding: 9px 20px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-accent);
            background: transparent;
            border: 1.5px solid var(--color-accent);
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-fast);
            text-decoration: none;
            text-align: center;
            align-self: flex-start;
        }

        .card-game .card-body .btn-card:hover {
            background: var(--color-accent);
            color: #fff;
        }

        /* ========== FEATURE LIST ========== */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .feature-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            text-align: center;
            transition: all var(--transition-normal);
            box-shadow: var(--shadow-sm);
        }

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

        .feature-item .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.5rem;
            background: rgba(245, 124, 0, 0.08);
            color: var(--color-accent);
        }

        .feature-item h4 {
            font-size: 1.1rem;
            margin-bottom: 6px;
            color: var(--color-heading);
        }

        .feature-item p {
            font-size: 0.9rem;
            color: var(--color-muted);
            line-height: 1.6;
            margin: 0;
        }

        /* ========== HIGHLIGHT BLOCK ========== */
        .highlight-block {
            display: flex;
            align-items: center;
            gap: 48px;
            margin-bottom: 40px;
        }

        .highlight-block.reverse {
            flex-direction: row-reverse;
        }

        .highlight-block .highlight-img {
            flex: 0 0 48%;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            aspect-ratio: 4 / 3;
            background: #e8e8e8;
        }

        .highlight-block .highlight-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .highlight-block .highlight-text {
            flex: 1;
        }

        .highlight-block .highlight-text h3 {
            font-size: 1.6rem;
            margin-bottom: 12px;
        }

        .highlight-block .highlight-text p {
            font-size: 1rem;
            color: var(--color-muted);
            line-height: 1.75;
            margin-bottom: 16px;
        }

        .highlight-block .highlight-meta {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }

        .highlight-meta-item {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.9rem;
            color: var(--color-body);
        }

        .highlight-meta-item i {
            color: var(--color-green);
        }

        /* ========== STEPS ========== */
        .steps-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }

        .step-card {
            text-align: center;
            padding: 32px 20px;
            background: var(--color-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            position: relative;
            transition: all var(--transition-normal);
            z-index: 1;
        }

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

        .step-card .step-num {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--color-accent);
            color: #fff;
            font-size: 1.3rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            line-height: 1;
        }

        .step-card h4 {
            font-size: 1.05rem;
            margin-bottom: 6px;
        }

        .step-card p {
            font-size: 0.9rem;
            color: var(--color-muted);
            margin: 0;
            line-height: 1.6;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

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

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

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-heading);
            background: none;
            border: none;
            cursor: pointer;
            text-align: left;
            transition: all var(--transition-fast);
            gap: 12px;
            font-family: var(--font-stack);
        }

        .faq-question:hover {
            color: var(--color-accent);
            background: rgba(245, 124, 0, 0.03);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            transition: transform var(--transition-normal);
            color: var(--color-muted);
            font-size: 0.85rem;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
        }

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

        .faq-answer-inner {
            padding: 0 22px 20px;
            font-size: 0.95rem;
            color: var(--color-muted);
            line-height: 1.75;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(135deg, #1E1E1E 0%, #2C2A26 100%);
            padding: 60px 0;
            text-align: center;
            color: #fff;
        }

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

        .cta-section .cta-desc {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.05rem;
            margin-bottom: 28px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.7;
        }

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

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1A1A1A;
            color: #bbb;
            padding: 48px 0 0;
            font-size: 0.9rem;
            line-height: 1.7;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 36px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .site-footer h4 {
            color: #fff;
            font-size: 1.05rem;
            margin-bottom: 14px;
            font-weight: 600;
        }

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

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

        .site-footer .footer-col ul li a {
            color: #bbb;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

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

        .site-footer .footer-subscribe {
            display: flex;
            gap: 8px;
        }

        .site-footer .footer-subscribe input {
            flex: 1;
            padding: 10px 14px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
            font-size: 0.9rem;
            min-width: 0;
        }

        .site-footer .footer-subscribe input::placeholder {
            color: #888;
        }

        .site-footer .footer-subscribe button {
            padding: 10px 18px;
            background: var(--color-accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .site-footer .footer-subscribe button:hover {
            background: #e06d00;
        }

        .site-footer .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 18px 0;
            gap: 10px;
            font-size: 0.82rem;
            color: #999;
        }

        .site-footer .footer-links-row {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            align-items: center;
        }

        .site-footer .footer-links-row a {
            color: #999;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

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

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .highlight-block {
                gap: 28px;
            }
            .highlight-block .highlight-img {
                flex: 0 0 44%;
            }
        }

        @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 20px;
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-md);
                gap: 4px;
                z-index: 999;
            }
            .nav-links.show {
                display: flex;
            }
            .nav-links li a {
                display: block;
                width: 100%;
                padding: 10px 14px;
                border-radius: var(--radius-sm);
            }
            .nav-toggle {
                display: block;
            }
            .nav-cta-group {
                gap: 6px;
            }
            .btn-nav-secondary {
                padding: 7px 12px;
                font-size: 0.82rem;
            }
            .btn-nav-primary {
                padding: 7px 14px;
                font-size: 0.82rem;
            }
            .hero-banner {
                min-height: 380px;
            }
            .hero-banner h1 {
                font-size: 2rem;
            }
            .hero-banner .hero-subtitle {
                font-size: 1rem;
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .steps-row {
                grid-template-columns: 1fr 1fr;
            }
            .highlight-block {
                flex-direction: column;
                gap: 20px;
            }
            .highlight-block.reverse {
                flex-direction: column;
            }
            .highlight-block .highlight-img {
                flex: 0 0 auto;
                width: 100%;
                aspect-ratio: 16 / 10;
            }
            .section {
                padding: 40px 0;
            }
            .section-header h2 {
                font-size: 1.6rem;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .site-footer .footer-links-row {
                justify-content: center;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .hero-banner {
                min-height: 340px;
            }
            .hero-banner h1 {
                font-size: 1.6rem;
            }
            .hero-banner .hero-subtitle {
                font-size: 0.9rem;
            }
            .hero-banner .hero-cta-group {
                flex-direction: column;
                gap: 10px;
            }
            .hero-banner .hero-stats {
                gap: 18px;
            }
            .hero-banner .hero-stat-num {
                font-size: 1.4rem;
            }
            .steps-row {
                grid-template-columns: 1fr;
            }
            .card-game .card-body {
                padding: 14px 16px 18px;
            }
            .section-header {
                margin-bottom: 28px;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .nav-logo {
                font-size: 1.1rem;
            }
            .nav-logo .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 0.9rem;
            }
            .btn-nav-secondary {
                padding: 6px 10px;
                font-size: 0.78rem;
            }
            .btn-nav-primary {
                padding: 6px 12px;
                font-size: 0.78rem;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #1E1E1E;
            --color-accent: #F57C00;
            --color-gold: #C9A84C;
            --color-green: #00A86B;
            --color-bg: #F5F5F5;
            --color-card: #FFFFFF;
            --color-heading: #1A1A1A;
            --color-body: #4A4A4A;
            --color-muted: #7A7A7A;
            --color-border: #E0E0E0;
            --color-nav-bg: #FFFFFF;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 6px 20px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 12px 32px rgba(0, 0, 0, 0.12);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --max-width: 1200px;
            --nav-height: 68px;
        }

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

        body {
            font-family: var(--font-stack);
            font-weight: 400;
            line-height: 1.7;
            color: var(--color-body);
            background-color: var(--color-bg);
            min-height: 100vh;
            padding-top: var(--nav-height);
            margin: 0;
        }

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

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

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

        a:hover {
            color: #d96a00;
            text-decoration: none;
        }

        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 3px;
        }

        button {
            cursor: pointer;
            font-family: var(--font-stack);
        }

        button:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 3px;
        }

        input {
            font-family: var(--font-stack);
        }

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

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--color-heading);
            font-weight: 700;
            line-height: 1.3;
            margin-top: 0;
        }

        h1 {
            font-size: 2.5rem;
        }
        h2 {
            font-size: 2rem;
        }
        h3 {
            font-size: 1.35rem;
        }
        h4 {
            font-size: 1.15rem;
        }

        p {
            margin-top: 0;
            margin-bottom: 1rem;
        }

        ul {
            padding-left: 0;
            list-style: none;
            margin: 0;
        }

        /* ========== NAVIGATION ========== */
        .site-nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--color-nav-bg);
            height: var(--nav-height);
            box-shadow: var(--shadow-sm);
            display: flex;
            align-items: center;
            border-bottom: 1px solid var(--color-border);
        }

        .site-nav .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
            height: 100%;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-primary);
            white-space: nowrap;
            letter-spacing: 0.5px;
            text-decoration: none;
            flex-shrink: 0;
        }

        .nav-logo:hover {
            color: var(--color-accent);
        }

        .nav-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--color-accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
            margin: 0;
            flex-wrap: nowrap;
        }

        .nav-links li a {
            display: inline-block;
            padding: 8px 15px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-body);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
        }

        .nav-links li a:hover,
        .nav-links li a.active {
            color: var(--color-accent);
            background: rgba(245, 124, 0, 0.06);
        }

        .nav-links li a.active {
            font-weight: 600;
        }

        .nav-cta-group {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .btn-nav-secondary {
            display: inline-block;
            padding: 8px 18px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-body);
            background: transparent;
            border: 1.5px solid var(--color-border);
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
            text-align: center;
        }

        .btn-nav-secondary:hover {
            background: #f9f9f9;
            border-color: #bbb;
            color: var(--color-primary);
        }

        .btn-nav-primary {
            display: inline-block;
            padding: 9px 20px;
            font-size: 0.9rem;
            font-weight: 600;
            color: #fff;
            background: var(--color-accent);
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
            text-align: center;
        }

        .btn-nav-primary:hover {
            background: #e06d00;
            color: #fff;
            box-shadow: var(--shadow-md);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-primary);
            padding: 8px;
            cursor: pointer;
            line-height: 1;
        }

        /* ========== BUTTONS ========== */
        .btn-primary {
            display: inline-block;
            padding: 13px 28px;
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            background: var(--color-accent);
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-normal);
            text-decoration: none;
            text-align: center;
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: #e06d00;
            color: #fff;
            box-shadow: var(--shadow-lg);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-sm);
        }

        .btn-secondary {
            display: inline-block;
            padding: 12px 26px;
            font-size: 1rem;
            font-weight: 500;
            color: var(--color-accent);
            background: transparent;
            border: 2px solid var(--color-accent);
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-normal);
            text-decoration: none;
            text-align: center;
            white-space: nowrap;
        }

        .btn-secondary:hover {
            background: rgba(245, 124, 0, 0.06);
            color: #d96a00;
            border-color: #d96a00;
        }

        .btn-outline-light {
            display: inline-block;
            padding: 12px 26px;
            font-size: 1rem;
            font-weight: 500;
            color: #fff;
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.7);
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-normal);
            text-decoration: none;
            text-align: center;
            white-space: nowrap;
        }

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

        /* ========== HERO ========== */
        .hero-banner {
            position: relative;
            width: 100%;
            min-height: 520px;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
        }

        .hero-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(30, 30, 30, 0.82) 0%, rgba(20, 18, 15, 0.75) 100%);
            z-index: 1;
        }

        .hero-banner .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 60px 20px;
            max-width: 750px;
            margin: 0 auto;
        }

        .hero-banner .hero-play-icon {
            display: inline-block;
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.15);
            border: 3px solid rgba(255, 255, 255, 0.5);
            margin-bottom: 28px;
            transition: all var(--transition-normal);
            cursor: pointer;
            position: relative;
            animation: pulse-ring 2.5s ease-out infinite;
        }

        .hero-banner .hero-play-icon i {
            font-size: 2.5rem;
            color: #fff;
            position: absolute;
            top: 50%;
            left: 54%;
            transform: translate(-50%, -50%);
        }

        .hero-banner .hero-play-icon:hover {
            background: rgba(255, 255, 255, 0.25);
            border-color: #fff;
            transform: scale(1.06);
        }

        @keyframes pulse-ring {
            0% {
                box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.35);
            }
            70% {
                box-shadow: 0 0 0 28px rgba(255, 255, 255, 0);
            }
            100% {
                box-shadow: 0 0 0 0 rgba(255, 255, 255, 0);
            }
        }

        .hero-banner h1 {
            color: #fff;
            font-size: 2.8rem;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 1px;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
        }

        .hero-banner .hero-subtitle {
            color: rgba(255, 255, 255, 0.88);
            font-size: 1.15rem;
            line-height: 1.7;
            margin-bottom: 32px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .hero-banner .hero-cta-group {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .hero-banner .hero-stats {
            display: flex;
            gap: 40px;
            justify-content: center;
            margin-top: 36px;
            flex-wrap: wrap;
        }

        .hero-banner .hero-stat-item {
            text-align: center;
            color: #fff;
        }

        .hero-banner .hero-stat-num {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-gold);
            display: block;
            line-height: 1.2;
        }

        .hero-banner .hero-stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.75);
            display: block;
            margin-top: 4px;
        }

        /* ========== SECTIONS ========== */
        .section {
            padding: 70px 0;
        }

        .section-alt {
            background: #fff;
        }

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

        .section-dark h2,
        .section-dark h3 {
            color: #fff;
        }

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

        .section-header h2 {
            margin-bottom: 12px;
            position: relative;
            display: inline-block;
        }

        .section-header h2::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 50%;
            transform: translateX(-50%);
            width: 50px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 2px;
        }

        .section-header .section-lead {
            color: var(--color-muted);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 16px auto 0;
        }

        /* ========== CARDS ========== */
        .card {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            padding: 28px 24px;
            transition: all var(--transition-normal);
            box-shadow: var(--shadow-sm);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: #d5d5d5;
        }

        .card .card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 16px;
            flex-shrink: 0;
        }

        .card .card-icon.icon-accent {
            background: rgba(245, 124, 0, 0.1);
            color: var(--color-accent);
        }

        .card .card-icon.icon-gold {
            background: rgba(201, 168, 76, 0.12);
            color: var(--color-gold);
        }

        .card .card-icon.icon-green {
            background: rgba(0, 168, 107, 0.1);
            color: var(--color-green);
        }

        .card h3 {
            margin-bottom: 8px;
            font-size: 1.2rem;
        }

        .card p {
            color: var(--color-muted);
            font-size: 0.95rem;
            line-height: 1.65;
            flex-grow: 1;
            margin-bottom: 0;
        }

        .card-image-top {
            border-radius: var(--radius-md) var(--radius-md) 0 0;
            overflow: hidden;
            margin: -28px -24px 20px -24px;
            height: 200px;
        }

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

        .card:hover .card-image-top img {
            transform: scale(1.04);
        }

        /* ========== FEATURE ROW ========== */
        .feature-row {
            display: flex;
            align-items: center;
            gap: 50px;
            flex-wrap: wrap;
        }

        .feature-row.reverse {
            flex-direction: row-reverse;
        }

        .feature-row .feature-image {
            flex: 1 1 45%;
            min-width: 300px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }

        .feature-row .feature-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 16/10;
        }

        .feature-row .feature-text {
            flex: 1 1 45%;
            min-width: 280px;
        }

        .feature-row .feature-text h3 {
            font-size: 1.6rem;
            margin-bottom: 14px;
        }

        .feature-row .feature-text p {
            color: var(--color-muted);
            line-height: 1.75;
            margin-bottom: 16px;
        }

        /* ========== STATS BAR ========== */
        .stats-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
            justify-content: center;
            text-align: center;
        }

        .stats-bar .stat-block {
            min-width: 140px;
            flex: 1 1 160px;
            padding: 20px;
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border);
            transition: all var(--transition-normal);
        }

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

        .stats-bar .stat-number {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-accent);
            display: block;
            line-height: 1.2;
        }

        .stats-bar .stat-label {
            font-size: 0.9rem;
            color: var(--color-muted);
            margin-top: 6px;
            display: block;
        }

        /* ========== RANKING TABLE ========== */
        .ranking-list {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .ranking-list .rank-item {
            display: flex;
            align-items: center;
            padding: 16px 20px;
            border-bottom: 1px solid #f0f0f0;
            gap: 16px;
            transition: background var(--transition-fast);
        }

        .ranking-list .rank-item:last-child {
            border-bottom: none;
        }

        .ranking-list .rank-item:hover {
            background: #fafafa;
        }

        .ranking-list .rank-badge {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.9rem;
            flex-shrink: 0;
            color: #fff;
        }

        .rank-badge.rank-1 {
            background: #C9A84C;
        }
        .rank-badge.rank-2 {
            background: #8B8B8B;
        }
        .rank-badge.rank-3 {
            background: #B87351;
        }
        .rank-badge.rank-other {
            background: #ccc;
            color: #666;
        }

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

        .ranking-list .rank-name {
            font-weight: 600;
            color: var(--color-heading);
            font-size: 0.95rem;
        }

        .ranking-list .rank-detail {
            font-size: 0.8rem;
            color: var(--color-muted);
        }

        .ranking-list .rank-score {
            font-weight: 700;
            color: var(--color-accent);
            font-size: 1rem;
            white-space: nowrap;
        }

        .rank-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: #e8e8e8;
            flex-shrink: 0;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            color: #999;
            font-weight: 600;
        }

        .rank-avatar img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* ========== TOPIC CARDS ========== */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
            gap: 20px;
        }

        .topic-card {
            background: #fff;
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            padding: 20px 22px;
            display: flex;
            gap: 16px;
            align-items: flex-start;
            transition: all var(--transition-normal);
            box-shadow: var(--shadow-sm);
        }

        .topic-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: #d5d5d5;
        }

        .topic-card .topic-thumb {
            width: 70px;
            height: 70px;
            border-radius: var(--radius-sm);
            flex-shrink: 0;
            overflow: hidden;
            background: #f0f0f0;
        }

        .topic-card .topic-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .topic-card .topic-body {
            flex: 1;
            min-width: 0;
        }

        .topic-card .topic-title {
            font-weight: 600;
            color: var(--color-heading);
            font-size: 0.95rem;
            margin-bottom: 4px;
            line-height: 1.4;
        }

        .topic-card .topic-meta {
            font-size: 0.8rem;
            color: var(--color-muted);
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .topic-card .topic-excerpt {
            font-size: 0.85rem;
            color: var(--color-muted);
            margin-top: 6px;
            line-height: 1.5;
        }

        /* ========== TAG ========== */
        .tag {
            display: inline-block;
            padding: 4px 12px;
            font-size: 0.78rem;
            font-weight: 500;
            border-radius: 20px;
            background: rgba(245, 124, 0, 0.08);
            color: var(--color-accent);
            white-space: nowrap;
            transition: all var(--transition-fast);
        }

        .tag:hover {
            background: rgba(245, 124, 0, 0.16);
            color: #d96a00;
        }

        .tag-green {
            background: rgba(0, 168, 107, 0.08);
            color: var(--color-green);
        }

        .tag-green:hover {
            background: rgba(0, 168, 107, 0.16);
            color: #008a56;
        }

        .tag-gold {
            background: rgba(201, 168, 76, 0.1);
            color: #a88d35;
        }

        .tag-gold:hover {
            background: rgba(201, 168, 76, 0.18);
            color: #8a7025;
        }

        /* ========== FAQ ACCORDION ========== */
        .faq-accordion .accordion-item {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-fast);
        }

        .faq-accordion .accordion-item:hover {
            border-color: #d0d0d0;
        }

        .faq-accordion .accordion-title {
            width: 100%;
            text-align: left;
            padding: 18px 22px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-heading);
            background: #fff;
            border: none;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: background var(--transition-fast);
            gap: 12px;
        }

        .faq-accordion .accordion-title:hover {
            background: #fafafa;
        }

        .faq-accordion .accordion-title i {
            transition: transform var(--transition-normal);
            font-size: 0.85rem;
            color: var(--color-accent);
            flex-shrink: 0;
        }

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

        .faq-accordion .accordion-content {
            padding: 0 22px 20px;
            display: none;
            color: var(--color-muted);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        .faq-accordion .accordion-item.open .accordion-content {
            display: block;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(135deg, #1E1E1E 0%, #2C2A26 100%);
            padding: 70px 0;
            text-align: center;
            color: #fff;
        }

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

        .cta-section p {
            color: rgba(255, 255, 255, 0.8);
            max-width: 550px;
            margin: 0 auto 28px;
            font-size: 1.05rem;
            line-height: 1.7;
        }

        .cta-section .cta-btn-group {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1a1a1a;
            color: #bbb;
            padding: 50px 0 0;
            font-size: 0.9rem;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            padding-bottom: 36px;
            border-bottom: 1px solid #333;
        }

        .site-footer h4 {
            color: #fff;
            font-size: 1.05rem;
            margin-bottom: 14px;
            font-weight: 600;
        }

        .site-footer .footer-col p {
            line-height: 1.65;
            margin-bottom: 8px;
            font-size: 0.85rem;
        }

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

        .site-footer .footer-col ul li {
            margin-bottom: 7px;
        }

        .site-footer .footer-col ul li a {
            color: #bbb;
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }

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

        .footer-subscribe {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .footer-subscribe input {
            flex: 1;
            min-width: 160px;
            padding: 10px 14px;
            border: 1px solid #444;
            border-radius: var(--radius-sm);
            background: #2a2a2a;
            color: #ddd;
            font-size: 0.85rem;
            outline: none;
            transition: border-color var(--transition-fast);
        }

        .footer-subscribe input:focus {
            border-color: var(--color-accent);
        }

        .footer-subscribe button {
            padding: 10px 18px;
            background: var(--color-accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.85rem;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .footer-subscribe button:hover {
            background: #e06d00;
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            padding: 20px 0;
            font-size: 0.8rem;
            color: #888;
        }

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

        .footer-links-row a {
            color: #888;
            transition: color var(--transition-fast);
        }

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

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .site-footer .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-banner h1 {
                font-size: 2.2rem;
            }
            .topic-grid {
                grid-template-columns: 1fr;
            }
            .feature-row {
                gap: 30px;
            }
            .feature-row .feature-image {
                flex: 1 1 100%;
            }
            .feature-row .feature-text {
                flex: 1 1 100%;
            }
        }

        @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 20px;
                box-shadow: var(--shadow-lg);
                border-bottom: 1px solid var(--color-border);
                gap: 4px;
                z-index: 999;
            }
            .nav-links.show {
                display: flex;
            }
            .nav-links li a {
                display: block;
                padding: 12px 16px;
                width: 100%;
                border-radius: var(--radius-sm);
            }
            .nav-toggle {
                display: block;
            }
            .nav-cta-group {
                gap: 6px;
            }
            .btn-nav-secondary,
            .btn-nav-primary {
                padding: 7px 14px;
                font-size: 0.82rem;
            }
            .hero-banner {
                min-height: 420px;
            }
            .hero-banner h1 {
                font-size: 1.8rem;
            }
            .hero-banner .hero-subtitle {
                font-size: 1rem;
            }
            .hero-banner .hero-stats {
                gap: 20px;
            }
            .hero-banner .hero-stat-num {
                font-size: 1.5rem;
            }
            .section {
                padding: 45px 0;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .stats-bar {
                gap: 14px;
            }
            .stats-bar .stat-block {
                flex: 1 1 120px;
                min-width: 120px;
                padding: 14px;
            }
            .stats-bar .stat-number {
                font-size: 1.6rem;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .footer-links-row {
                justify-content: center;
            }
            .topic-card {
                flex-direction: column;
                gap: 10px;
            }
            .topic-card .topic-thumb {
                width: 100%;
                height: 140px;
            }
            .feature-row,
            .feature-row.reverse {
                flex-direction: column;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .hero-banner .hero-cta-group {
                flex-direction: column;
                align-items: center;
            }
            .hero-banner .hero-cta-group .btn-primary,
            .hero-banner .hero-cta-group .btn-outline-light {
                width: 100%;
                max-width: 280px;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .hero-banner h1 {
                font-size: 1.5rem;
            }
            .hero-banner .hero-play-icon {
                width: 60px;
                height: 60px;
            }
            .hero-banner .hero-play-icon i {
                font-size: 1.8rem;
            }
            .hero-banner {
                min-height: 360px;
            }
            .hero-banner .hero-stats {
                flex-direction: column;
                gap: 12px;
            }
            .ranking-list .rank-item {
                flex-wrap: wrap;
                gap: 10px;
                padding: 12px 14px;
            }
            .section {
                padding: 35px 0;
            }
            .card {
                padding: 20px 16px;
            }
            .card-image-top {
                margin: -20px -16px 16px -16px;
                height: 160px;
            }
            .faq-accordion .accordion-title {
                padding: 14px 16px;
                font-size: 0.9rem;
            }
            .faq-accordion .accordion-content {
                padding: 0 16px 16px;
            }
        }

/* roulang page: category4 */
:root {
            --color-primary: #1E1E1E;
            --color-accent: #F57C00;
            --color-gold: #C9A84C;
            --color-green: #00A86B;
            --color-bg: #F5F5F5;
            --color-card: #FFFFFF;
            --color-heading: #1A1A1A;
            --color-body: #4A4A4A;
            --color-muted: #7A7A7A;
            --color-border: #E0E0E0;
            --color-nav-bg: #FFFFFF;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 6px 20px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 12px 32px rgba(0, 0, 0, 0.12);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --max-width: 1200px;
            --nav-height: 68px;
        }

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

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

        body {
            font-family: var(--font-stack);
            font-weight: 400;
            line-height: 1.7;
            color: var(--color-body);
            background-color: var(--color-bg);
            min-height: 100vh;
            padding-top: var(--nav-height);
            margin: 0;
        }

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

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

        a:hover {
            color: #d96a00;
            text-decoration: none;
        }

        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 3px;
        }

        button {
            cursor: pointer;
            font-family: var(--font-stack);
        }

        button:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 3px;
        }

        input {
            font-family: var(--font-stack);
        }

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

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--color-heading);
            font-weight: 700;
            line-height: 1.3;
            margin-top: 0;
        }

        h1 {
            font-size: 2.5rem;
            margin-bottom: 1rem;
        }
        h2 {
            font-size: 2rem;
            margin-bottom: 0.75rem;
        }
        h3 {
            font-size: 1.5rem;
            margin-bottom: 0.6rem;
        }
        h4 {
            font-size: 1.25rem;
            margin-bottom: 0.5rem;
        }

        p {
            margin-top: 0;
            margin-bottom: 1rem;
        }

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

        /* ========== NAVIGATION ========== */
        .site-nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--color-nav-bg);
            height: var(--nav-height);
            box-shadow: var(--shadow-sm);
            display: flex;
            align-items: center;
            border-bottom: 1px solid var(--color-border);
        }

        .site-nav .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
            height: 100%;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-primary);
            white-space: nowrap;
            letter-spacing: 0.5px;
            text-decoration: none;
            flex-shrink: 0;
        }

        .nav-logo:hover {
            color: var(--color-accent);
        }

        .nav-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--color-accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
            margin: 0;
            flex-wrap: nowrap;
        }

        .nav-links li a {
            display: inline-block;
            padding: 8px 15px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-body);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
        }

        .nav-links li a:hover,
        .nav-links li a.active {
            color: var(--color-accent);
            background: rgba(245, 124, 0, 0.06);
        }

        .nav-links li a.active {
            font-weight: 600;
        }

        .nav-cta-group {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .btn-nav-secondary {
            display: inline-block;
            padding: 8px 18px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-body);
            background: transparent;
            border: 1.5px solid var(--color-border);
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
            text-align: center;
        }

        .btn-nav-secondary:hover {
            background: #f9f9f9;
            border-color: #bbb;
            color: var(--color-primary);
        }

        .btn-nav-primary {
            display: inline-block;
            padding: 9px 20px;
            font-size: 0.9rem;
            font-weight: 600;
            color: #fff;
            background: var(--color-accent);
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
            text-align: center;
        }

        .btn-nav-primary:hover {
            background: #e06d00;
            color: #fff;
            box-shadow: var(--shadow-md);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-primary);
            padding: 8px;
            cursor: pointer;
            line-height: 1;
        }

        /* ========== BUTTONS ========== */
        .btn {
            display: inline-block;
            padding: 12px 28px;
            font-size: 1rem;
            font-weight: 600;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            text-align: center;
            cursor: pointer;
            text-decoration: none;
            border: none;
            line-height: 1.4;
        }

        .btn-primary {
            background: var(--color-accent);
            color: #fff;
        }

        .btn-primary:hover {
            background: #e06d00;
            color: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }

        .btn-secondary {
            background: transparent;
            color: var(--color-accent);
            border: 2px solid var(--color-accent);
        }

        .btn-secondary:hover {
            background: rgba(245, 124, 0, 0.06);
            color: #d96a00;
            border-color: #d96a00;
        }

        .btn-outline {
            background: transparent;
            color: var(--color-body);
            border: 1.5px solid var(--color-border);
        }

        .btn-outline:hover {
            background: #f9f9f9;
            border-color: #bbb;
            color: var(--color-primary);
        }

        .btn-lg {
            padding: 15px 36px;
            font-size: 1.1rem;
            border-radius: var(--radius-md);
        }

        /* ========== BANNER ========== */
        .page-banner {
            position: relative;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            min-height: 420px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(30, 30, 30, 0.85) 0%, rgba(30, 30, 30, 0.7) 100%);
            z-index: 1;
        }

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

        .page-banner .banner-content h1 {
            color: #fff;
            font-size: 2.8rem;
            margin-bottom: 0.8rem;
            letter-spacing: 1px;
        }

        .page-banner .banner-subtitle {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.9);
            max-width: 650px;
            line-height: 1.7;
            margin-bottom: 1.5rem;
        }

        .page-banner .banner-stats {
            display: flex;
            gap: 30px;
            flex-wrap: wrap;
            margin-top: 1.2rem;
        }

        .page-banner .banner-stat {
            text-align: center;
        }

        .page-banner .banner-stat .stat-num {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-gold);
            display: block;
        }

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

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

        .section-alt {
            background: #fff;
        }

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

        .section-dark h2,
        .section-dark h3 {
            color: #fff;
        }

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

        .section-header h2 {
            position: relative;
            display: inline-block;
        }

        .section-header h2::after {
            content: '';
            display: block;
            width: 50px;
            height: 3px;
            background: var(--color-accent);
            margin: 10px auto 0;
            border-radius: 2px;
        }

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

        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: #ccc;
        }

        .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }

        .card-body {
            padding: 20px 24px;
        }

        .card-body h3 {
            font-size: 1.2rem;
            margin-bottom: 0.5rem;
        }

        .card-body p {
            color: var(--color-muted);
            font-size: 0.95rem;
            line-height: 1.6;
            margin-bottom: 1rem;
        }

        .card-tag {
            display: inline-block;
            padding: 3px 10px;
            font-size: 0.8rem;
            font-weight: 500;
            border-radius: 20px;
            background: rgba(245, 124, 0, 0.08);
            color: var(--color-accent);
            margin-bottom: 8px;
        }

        .card-meta {
            font-size: 0.85rem;
            color: var(--color-muted);
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        /* ========== FEATURE ROW ========== */
        .feature-row {
            display: flex;
            align-items: center;
            gap: 40px;
            flex-wrap: wrap;
        }

        .feature-row.reverse {
            flex-direction: row-reverse;
        }

        .feature-row .feature-img {
            flex: 1 1 400px;
            min-width: 280px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }

        .feature-row .feature-img img {
            width: 100%;
            height: auto;
            display: block;
        }

        .feature-row .feature-text {
            flex: 1 1 350px;
            min-width: 280px;
        }

        .feature-row .feature-text h3 {
            font-size: 1.6rem;
            margin-bottom: 0.8rem;
        }

        .feature-row .feature-text p {
            color: var(--color-muted);
            line-height: 1.8;
        }

        .feature-highlight {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            margin-bottom: 12px;
        }

        .feature-highlight .highlight-icon {
            width: 32px;
            height: 32px;
            background: rgba(0, 168, 107, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-green);
            flex-shrink: 0;
            font-size: 0.9rem;
        }

        .feature-highlight .highlight-text strong {
            display: block;
            color: var(--color-heading);
            margin-bottom: 2px;
        }

        .feature-highlight .highlight-text span {
            font-size: 0.9rem;
            color: var(--color-muted);
        }

        /* ========== TOPIC LIST ========== */
        .topic-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .topic-item {
            background: var(--color-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            padding: 18px 22px;
            display: flex;
            align-items: center;
            gap: 16px;
            transition: all var(--transition-fast);
            cursor: pointer;
            flex-wrap: wrap;
        }

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

        .topic-rank {
            width: 40px;
            height: 40px;
            background: var(--color-accent);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .topic-rank.silver {
            background: #888;
        }
        .topic-rank.bronze {
            background: #b87333;
        }
        .topic-rank.normal {
            background: #ddd;
            color: #666;
        }

        .topic-info {
            flex: 1;
            min-width: 200px;
        }

        .topic-info h4 {
            font-size: 1.05rem;
            margin-bottom: 4px;
            color: var(--color-heading);
        }

        .topic-info .topic-meta {
            font-size: 0.85rem;
            color: var(--color-muted);
        }

        .topic-stats {
            text-align: right;
            flex-shrink: 0;
        }

        .topic-stats .stat-count {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-accent);
            display: block;
        }

        .topic-stats .stat-unit {
            font-size: 0.8rem;
            color: var(--color-muted);
        }

        /* ========== STEPS ========== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 24px;
        }

        .step-card {
            background: var(--color-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            padding: 28px 22px;
            text-align: center;
            transition: all var(--transition-normal);
            position: relative;
        }

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

        .step-number {
            width: 48px;
            height: 48px;
            background: var(--color-accent);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.3rem;
            margin: 0 auto 14px;
        }

        .step-card h4 {
            font-size: 1.1rem;
            margin-bottom: 6px;
        }

        .step-card p {
            font-size: 0.9rem;
            color: var(--color-muted);
            line-height: 1.6;
        }

        /* ========== DATA BANNER ========== */
        .data-strip {
            background: linear-gradient(135deg, #1E1E1E 0%, #2C2A26 100%);
            padding: 40px 0;
            color: #fff;
            text-align: center;
        }

        .data-strip .data-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: 20px;
        }

        .data-strip .data-item {
            padding: 10px;
        }

        .data-strip .data-value {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--color-gold);
            display: block;
            line-height: 1.2;
        }

        .data-strip .data-label {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

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

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

        .faq-question {
            width: 100%;
            padding: 18px 22px;
            background: none;
            border: none;
            text-align: left;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--color-heading);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            line-height: 1.5;
            font-family: var(--font-stack);
        }

        .faq-question .faq-icon {
            font-size: 0.9rem;
            color: var(--color-accent);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }

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

        .faq-answer {
            padding: 0 22px 18px;
            color: var(--color-muted);
            font-size: 0.95rem;
            line-height: 1.7;
            display: none;
        }

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

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(135deg, #F57C00 0%, #e06d00 100%);
            padding: 60px 0;
            text-align: center;
            color: #fff;
        }

        .cta-section h2 {
            color: #fff;
            font-size: 2rem;
            margin-bottom: 0.8rem;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.9);
            font-size: 1.1rem;
            max-width: 600px;
            margin: 0 auto 1.5rem;
            line-height: 1.7;
        }

        .cta-section .btn-cta-white {
            display: inline-block;
            padding: 14px 34px;
            font-size: 1.1rem;
            font-weight: 700;
            background: #fff;
            color: var(--color-accent);
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            transition: all var(--transition-fast);
            text-decoration: none;
        }

        .cta-section .btn-cta-white:hover {
            background: #f5f5f5;
            box-shadow: var(--shadow-xl);
            transform: translateY(-2px);
            color: #d96a00;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1a1a1a;
            color: #bbb;
            padding: 50px 0 0;
            font-size: 0.9rem;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 30px;
            margin-bottom: 30px;
        }

        .site-footer h4 {
            color: #fff;
            font-size: 1.1rem;
            margin-bottom: 14px;
            font-weight: 600;
        }

        .site-footer .footer-col p {
            color: #999;
            line-height: 1.7;
            font-size: 0.9rem;
        }

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

        .site-footer .footer-col ul li a {
            color: #999;
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }

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

        .footer-subscribe {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .footer-subscribe input {
            flex: 1;
            min-width: 160px;
            padding: 10px 14px;
            border: 1px solid #444;
            border-radius: var(--radius-sm);
            background: #222;
            color: #ddd;
            font-size: 0.9rem;
        }

        .footer-subscribe input::placeholder {
            color: #777;
        }

        .footer-subscribe button {
            padding: 10px 18px;
            background: var(--color-accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .footer-subscribe button:hover {
            background: #e06d00;
        }

        .footer-bottom {
            border-top: 1px solid #333;
            padding: 18px 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            font-size: 0.85rem;
            color: #777;
        }

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

        .footer-links-row a {
            color: #999;
            white-space: nowrap;
        }

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

        /* ========== RESPONSIVE ========== */
        @media (max-width:1024px) {
            .nav-links li a {
                padding: 6px 10px;
                font-size: 0.85rem;
            }
            .page-banner .banner-content h1 {
                font-size: 2.2rem;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            .section {
                padding: 40px 0;
            }
        }

        @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);
                z-index: 999;
            }
            .nav-links.show {
                display: flex;
            }
            .nav-links li a {
                padding: 12px 20px;
                width: 100%;
                border-radius: 0;
                font-size: 0.95rem;
            }
            .nav-toggle {
                display: block;
            }
            .nav-cta-group {
                gap: 6px;
            }
            .btn-nav-secondary,
            .btn-nav-primary {
                padding: 7px 12px;
                font-size: 0.8rem;
            }
            .page-banner {
                min-height: 300px;
            }
            .page-banner .banner-content h1 {
                font-size: 1.7rem;
            }
            .page-banner .banner-subtitle {
                font-size: 1rem;
            }
            .page-banner .banner-stats {
                gap: 16px;
            }
            .page-banner .banner-stat .stat-num {
                font-size: 1.5rem;
            }
            .feature-row {
                flex-direction: column !important;
                gap: 20px;
            }
            .feature-row .feature-img {
                flex: 1 1 auto;
                min-width: 100%;
            }
            .feature-row .feature-text {
                flex: 1 1 auto;
                min-width: 100%;
            }
            .card-img {
                height: 160px;
            }
            .steps-grid {
                grid-template-columns: 1fr 1fr;
            }
            .data-strip .data-grid {
                grid-template-columns: 1fr 1fr;
            }
            .data-strip .data-value {
                font-size: 2rem;
            }
            .topic-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .topic-stats {
                text-align: left;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .footer-links-row {
                justify-content: center;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
        }

        @media (max-width:520px) {
            .nav-logo {
                font-size: 1.1rem;
                gap: 6px;
            }
            .nav-logo .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 0.9rem;
            }
            .btn-nav-secondary,
            .btn-nav-primary {
                padding: 6px 10px;
                font-size: 0.75rem;
            }
            .page-banner .banner-content h1 {
                font-size: 1.4rem;
            }
            .page-banner {
                min-height: 240px;
            }
            .page-banner .banner-content {
                padding: 40px 0;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .data-strip .data-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .data-strip .data-value {
                font-size: 1.6rem;
            }
            .card-body {
                padding: 14px 16px;
            }
            .btn-lg {
                padding: 12px 24px;
                font-size: 1rem;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            h1 {
                font-size: 1.6rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            h3 {
                font-size: 1.2rem;
            }
            .section {
                padding: 30px 0;
            }
        }

/* roulang page: category5 */
:root {
            --color-primary: #1E1E1E;
            --color-accent: #F57C00;
            --color-gold: #C9A84C;
            --color-green: #00A86B;
            --color-bg: #F5F5F5;
            --color-card: #FFFFFF;
            --color-heading: #1A1A1A;
            --color-body: #4A4A4A;
            --color-muted: #7A7A7A;
            --color-border: #E0E0E0;
            --color-nav-bg: #FFFFFF;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 6px 20px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 12px 32px rgba(0, 0, 0, 0.12);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --max-width: 1200px;
            --nav-height: 68px;
        }

        *,
        *::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-stack);
            font-weight: 400;
            line-height: 1.7;
            color: var(--color-body);
            background-color: var(--color-bg);
            min-height: 100vh;
            padding-top: var(--nav-height);
            margin: 0;
        }

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

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

        a:hover {
            color: #d96a00;
            text-decoration: none;
        }

        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 3px;
        }

        button {
            cursor: pointer;
            font-family: var(--font-stack);
        }

        button:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 3px;
        }

        input {
            font-family: var(--font-stack);
        }

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

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--color-heading);
            font-weight: 700;
            line-height: 1.3;
            margin-top: 0;
        }

        /* ========== NAVIGATION ========== */
        .site-nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--color-nav-bg);
            height: var(--nav-height);
            box-shadow: var(--shadow-sm);
            display: flex;
            align-items: center;
            border-bottom: 1px solid var(--color-border);
        }

        .site-nav .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
            height: 100%;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-primary);
            white-space: nowrap;
            letter-spacing: 0.5px;
            text-decoration: none;
            flex-shrink: 0;
        }

        .nav-logo:hover {
            color: var(--color-accent);
        }

        .nav-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--color-accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: nowrap;
        }

        .nav-links li a {
            display: inline-block;
            padding: 8px 15px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-body);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
        }

        .nav-links li a:hover,
        .nav-links li a.active {
            color: var(--color-accent);
            background: rgba(245, 124, 0, 0.06);
        }

        .nav-links li a.active {
            font-weight: 600;
        }

        .nav-cta-group {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .btn-nav-secondary {
            display: inline-block;
            padding: 8px 18px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-body);
            background: transparent;
            border: 1.5px solid var(--color-border);
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
            text-align: center;
        }

        .btn-nav-secondary:hover {
            background: #f9f9f9;
            border-color: #bbb;
            color: var(--color-primary);
        }

        .btn-nav-primary {
            display: inline-block;
            padding: 9px 20px;
            font-size: 0.9rem;
            font-weight: 600;
            color: #fff;
            background: var(--color-accent);
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
            text-align: center;
        }

        .btn-nav-primary:hover {
            background: #e06d00;
            color: #fff;
            box-shadow: var(--shadow-sm);
        }

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

        /* ========== HERO ========== */
        .page-hero {
            position: relative;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            min-height: 420px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(0, 0, 0, 0.62);
            z-index: 1;
        }

        .page-hero .hero-content {
            position: relative;
            z-index: 2;
            max-width: 750px;
            padding: 40px 20px;
        }

        .page-hero .hero-badge {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 16px;
        }

        .page-hero h1 {
            color: #fff;
            font-size: 2.8rem;
            font-weight: 700;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        .page-hero .hero-subtitle {
            color: rgba(255, 255, 255, 0.88);
            font-size: 1.15rem;
            line-height: 1.7;
            margin-bottom: 24px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .page-hero .hero-stats {
            display: flex;
            gap: 28px;
            justify-content: center;
            flex-wrap: wrap;
            margin-top: 8px;
        }

        .page-hero .hero-stat-item {
            color: #fff;
            text-align: center;
        }

        .page-hero .hero-stat-item .stat-num {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--color-gold);
            display: block;
            line-height: 1.2;
        }

        .page-hero .hero-stat-item .stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
        }

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

        .section-alt {
            background: #fff;
        }

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

        .section-dark h2,
        .section-dark h3 {
            color: #fff;
        }

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

        .section-header h2 {
            font-size: 2rem;
            margin-bottom: 10px;
            color: var(--color-heading);
        }

        .section-header .section-tag {
            display: inline-block;
            color: var(--color-accent);
            font-weight: 600;
            font-size: 0.9rem;
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 8px;
        }

        .section-header p {
            color: var(--color-muted);
            font-size: 1rem;
            max-width: 600px;
            margin: 0 auto;
        }

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

        .wiki-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: #d0d0d0;
        }

        .wiki-card .card-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }

        .wiki-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

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

        .wiki-card .card-img .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--color-accent);
            color: #fff;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 600;
            z-index: 2;
        }

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

        .wiki-card .card-body h3 {
            font-size: 1.2rem;
            margin-bottom: 8px;
            color: var(--color-heading);
            font-weight: 700;
        }

        .wiki-card .card-body p {
            font-size: 0.93rem;
            color: var(--color-muted);
            line-height: 1.6;
            margin-bottom: 14px;
            flex: 1;
        }

        .wiki-card .card-link {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-accent);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap var(--transition-fast);
        }

        .wiki-card .card-link:hover {
            gap: 10px;
            color: #d96a00;
        }

        .wiki-card .card-link i {
            font-size: 0.8rem;
        }

        /* ========== DEEP CONTENT ========== */
        .deep-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .deep-content .deep-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }

        .deep-content .deep-img img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }

        .deep-content .deep-text h3 {
            font-size: 1.6rem;
            margin-bottom: 16px;
            color: var(--color-heading);
        }

        .deep-content .deep-text p {
            color: var(--color-body);
            line-height: 1.8;
            margin-bottom: 12px;
            font-size: 1rem;
        }

        .deep-content .deep-highlights {
            list-style: none;
            padding: 0;
            margin: 16px 0 0;
        }

        .deep-content .deep-highlights li {
            padding: 8px 0;
            padding-left: 24px;
            position: relative;
            color: var(--color-body);
            font-size: 0.95rem;
            line-height: 1.6;
        }

        .deep-content .deep-highlights li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 14px;
            width: 8px;
            height: 8px;
            background: var(--color-accent);
            border-radius: 50%;
        }

        /* ========== HOT LIST ========== */
        .hot-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .hot-item {
            background: var(--color-card);
            border-radius: var(--radius-md);
            padding: 20px 22px;
            border: 1px solid var(--color-border);
            display: flex;
            align-items: flex-start;
            gap: 16px;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-sm);
        }

        .hot-item:hover {
            box-shadow: var(--shadow-md);
            border-color: #d0d0d0;
        }

        .hot-item .hot-rank {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--color-accent);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .hot-item:nth-child(2) .hot-rank {
            background: #c0c0c0;
            color: #333;
        }

        .hot-item:nth-child(3) .hot-rank {
            background: #cd7f32;
            color: #fff;
        }

        .hot-item .hot-info h4 {
            font-size: 1rem;
            margin-bottom: 4px;
            color: var(--color-heading);
        }

        .hot-item .hot-info p {
            font-size: 0.85rem;
            color: var(--color-muted);
            margin: 0;
            line-height: 1.5;
        }

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

        .step-card {
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .step-card .step-num {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--color-accent);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            font-weight: 700;
            margin: 0 auto 14px;
            position: relative;
            z-index: 2;
        }

        .step-card h4 {
            font-size: 1.05rem;
            color: var(--color-heading);
            margin-bottom: 6px;
        }

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

        .steps-row::before {
            content: '';
            position: absolute;
            top: 28px;
            left: 15%;
            right: 15%;
            height: 2px;
            background: var(--color-border);
            z-index: 0;
        }

        /* ========== FAQ ========== */
        .accordion-faq {
            max-width: 800px;
            margin: 0 auto;
        }

        .accordion-faq .accordion-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .accordion-faq .accordion-title {
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-heading);
            padding: 16px 20px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: #fff;
            border: none;
            width: 100%;
            text-align: left;
            transition: background var(--transition-fast);
            font-family: var(--font-stack);
            line-height: 1.5;
        }

        .accordion-faq .accordion-title:hover {
            background: #fafafa;
        }

        .accordion-faq .accordion-title .faq-icon {
            transition: transform var(--transition-normal);
            font-size: 0.85rem;
            color: var(--color-accent);
            flex-shrink: 0;
            margin-left: 12px;
        }

        .accordion-faq .accordion-title[aria-expanded="true"] .faq-icon {
            transform: rotate(180deg);
        }

        .accordion-faq .accordion-content {
            padding: 0 20px 16px;
            color: var(--color-body);
            font-size: 0.93rem;
            line-height: 1.7;
            display: none;
        }

        .accordion-faq .accordion-content.is-active {
            display: block;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: var(--color-primary);
            padding: 60px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
            opacity: 0.12;
            z-index: 0;
        }

        .cta-section .cta-inner {
            position: relative;
            z-index: 1;
            max-width: 650px;
            margin: 0 auto;
            padding: 0 20px;
        }

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

        .cta-section p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.05rem;
            margin-bottom: 24px;
            line-height: 1.6;
        }

        .btn-cta-large {
            display: inline-block;
            padding: 14px 36px;
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            background: var(--color-accent);
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-fast);
            text-decoration: none;
            letter-spacing: 0.5px;
        }

        .btn-cta-large:hover {
            background: #e06d00;
            color: #fff;
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }

        .btn-cta-outline {
            display: inline-block;
            padding: 13px 34px;
            font-size: 1.05rem;
            font-weight: 600;
            color: #fff;
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.5);
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-fast);
            text-decoration: none;
            margin-left: 12px;
        }

        .btn-cta-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1a1a1a;
            color: #b0b0b0;
            padding: 50px 0 0;
            font-size: 0.9rem;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 30px;
            padding-bottom: 30px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .site-footer .footer-col h4 {
            color: #fff;
            font-size: 1.05rem;
            margin-bottom: 14px;
            font-weight: 600;
        }

        .site-footer .footer-col p {
            color: #999;
            line-height: 1.7;
            margin-bottom: 8px;
            font-size: 0.88rem;
        }

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

        .site-footer .footer-col ul li {
            margin-bottom: 7px;
        }

        .site-footer .footer-col ul li a {
            color: #999;
            font-size: 0.88rem;
            transition: color var(--transition-fast);
        }

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

        .footer-subscribe {
            display: flex;
            gap: 8px;
        }

        .footer-subscribe input {
            flex: 1;
            padding: 10px 14px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
            font-size: 0.88rem;
            outline: none;
            transition: border-color var(--transition-fast);
        }

        .footer-subscribe input:focus {
            border-color: var(--color-accent);
        }

        .footer-subscribe input::placeholder {
            color: #777;
        }

        .footer-subscribe button {
            padding: 10px 18px;
            background: var(--color-accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.88rem;
            cursor: pointer;
            transition: background var(--transition-fast);
            white-space: nowrap;
        }

        .footer-subscribe button:hover {
            background: #e06d00;
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
            gap: 12px;
            font-size: 0.82rem;
            color: #888;
        }

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

        .footer-links-row a {
            color: #888;
            font-size: 0.82rem;
        }

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

        .footer-links-row span {
            color: #555;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .deep-content {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .steps-row {
                grid-template-columns: repeat(3, 1fr);
            }
            .steps-row::before {
                display: none;
            }
            .steps-row .step-card:nth-child(4),
            .steps-row .step-card:nth-child(5) {
                grid-column: span 1;
            }
            .hot-list {
                grid-template-columns: 1fr 1fr;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @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 20px;
                box-shadow: var(--shadow-md);
                border-bottom: 1px solid var(--color-border);
                z-index: 999;
                gap: 4px;
            }
            .nav-links.nav-open {
                display: flex;
            }
            .nav-links li a {
                display: block;
                padding: 10px 16px;
                width: 100%;
                font-size: 1rem;
            }
            .nav-cta-group {
                display: none;
            }
            .nav-cta-group.nav-open {
                display: flex;
                position: absolute;
                top: calc(var(--nav-height) + 220px);
                left: 0;
                right: 0;
                background: #fff;
                padding: 12px 20px 20px;
                box-shadow: var(--shadow-md);
                border-bottom: 1px solid var(--color-border);
                z-index: 999;
                justify-content: center;
                gap: 12px;
            }
            .nav-toggle {
                display: block;
            }
            .page-hero {
                min-height: 320px;
            }
            .page-hero h1 {
                font-size: 2rem;
            }
            .page-hero .hero-subtitle {
                font-size: 1rem;
            }
            .section {
                padding: 40px 0;
            }
            .section-header h2 {
                font-size: 1.6rem;
            }
            .hot-list {
                grid-template-columns: 1fr;
            }
            .steps-row {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .footer-links-row {
                justify-content: center;
            }
            .cta-section .btn-cta-outline {
                margin-left: 0;
                margin-top: 10px;
                display: inline-block;
            }
            .deep-content .deep-text h3 {
                font-size: 1.3rem;
            }
        }

        @media (max-width: 520px) {
            html {
                font-size: 15px;
            }
            .page-hero h1 {
                font-size: 1.7rem;
            }
            .page-hero .hero-stats {
                gap: 16px;
            }
            .page-hero .hero-stat-item .stat-num {
                font-size: 1.4rem;
            }
            .steps-row {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .wiki-card .card-img {
                height: 160px;
            }
            .section-header h2 {
                font-size: 1.4rem;
            }
            .footer-subscribe {
                flex-direction: column;
            }
            .btn-cta-large,
            .btn-cta-outline {
                display: block;
                width: 100%;
                text-align: center;
                margin: 8px 0;
            }
        }

/* roulang page: category6 */
:root {
            --color-primary: #1E1E1E;
            --color-accent: #F57C00;
            --color-gold: #C9A84C;
            --color-green: #00A86B;
            --color-bg: #F5F5F5;
            --color-card: #FFFFFF;
            --color-heading: #1A1A1A;
            --color-body: #4A4A4A;
            --color-muted: #7A7A7A;
            --color-border: #E0E0E0;
            --color-nav-bg: #FFFFFF;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 6px 20px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 12px 32px rgba(0, 0, 0, 0.12);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --max-width: 1200px;
            --nav-height: 68px;
        }

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

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

        body {
            font-family: var(--font-stack);
            font-weight: 400;
            line-height: 1.7;
            color: var(--color-body);
            background-color: var(--color-bg);
            min-height: 100vh;
            padding-top: var(--nav-height);
            margin: 0;
        }

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

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

        a:hover {
            color: #d96a00;
            text-decoration: none;
        }

        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 3px;
        }

        button {
            cursor: pointer;
            font-family: var(--font-stack);
        }

        button:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 3px;
        }

        input {
            font-family: var(--font-stack);
        }

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

        /* ========== NAVIGATION ========== */
        .site-nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--color-nav-bg);
            height: var(--nav-height);
            box-shadow: var(--shadow-sm);
            display: flex;
            align-items: center;
            border-bottom: 1px solid var(--color-border);
        }

        .site-nav .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
            height: 100%;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-primary);
            white-space: nowrap;
            letter-spacing: 0.5px;
            text-decoration: none;
            flex-shrink: 0;
        }

        .nav-logo:hover {
            color: var(--color-accent);
        }

        .nav-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--color-accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            list-style: none;
            margin: 0;
            flex-wrap: nowrap;
            padding: 0;
        }

        .nav-links li a {
            display: inline-block;
            padding: 8px 15px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-body);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
        }

        .nav-links li a:hover,
        .nav-links li a.active {
            color: var(--color-accent);
            background: rgba(245, 124, 0, 0.06);
        }

        .nav-links li a.active {
            font-weight: 600;
        }

        .nav-cta-group {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .btn-nav-secondary {
            display: inline-block;
            padding: 8px 18px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-body);
            background: transparent;
            border: 1.5px solid var(--color-border);
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
            text-align: center;
        }

        .btn-nav-secondary:hover {
            background: #f9f9f9;
            border-color: #bbb;
            color: var(--color-primary);
        }

        .btn-nav-primary {
            display: inline-block;
            padding: 9px 20px;
            font-size: 0.9rem;
            font-weight: 600;
            color: #fff;
            background: var(--color-accent);
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
            text-align: center;
        }

        .btn-nav-primary:hover {
            background: #e06d00;
            color: #fff;
            box-shadow: var(--shadow-md);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.4rem;
            color: var(--color-primary);
            padding: 8px;
            cursor: pointer;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }

        .nav-toggle:hover {
            background: #f0f0f0;
        }

        /* ========== PAGE BANNER / HERO ========== */
        .page-banner {
            position: relative;
            background: url('/assets/images/backpic/back-3.webp') center center / cover no-repeat;
            min-height: 420px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(30, 30, 30, 0.82) 0%, rgba(20, 18, 14, 0.88) 100%);
            z-index: 1;
        }

        .page-banner .banner-content {
            position: relative;
            z-index: 2;
            max-width: 750px;
            padding: 0 24px;
        }

        .page-banner .banner-tag {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 18px;
        }

        .page-banner h1 {
            font-size: 2.8rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 16px;
            line-height: 1.3;
            letter-spacing: 0.5px;
        }

        .page-banner .banner-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
            margin: 0 0 28px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .page-banner .banner-cta-group {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-accent {
            display: inline-block;
            padding: 13px 30px;
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            background: var(--color-accent);
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-normal);
            text-decoration: none;
            text-align: center;
            white-space: nowrap;
        }

        .btn-accent:hover {
            background: #e06d00;
            color: #fff;
            box-shadow: var(--shadow-lg);
            transform: translateY(-1px);
        }

        .btn-outline-light {
            display: inline-block;
            padding: 12px 28px;
            font-size: 1rem;
            font-weight: 500;
            color: #fff;
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.55);
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-normal);
            text-decoration: none;
            text-align: center;
            white-space: nowrap;
        }

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

        /* ========== SECTIONS ========== */
        .section {
            padding: 64px 0;
        }

        .section-alt {
            background: #fff;
        }

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

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-heading);
            margin-bottom: 12px;
            line-height: 1.3;
        }

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

        .section-title-light {
            color: #fff;
        }

        .section-subtitle-light {
            color: rgba(255, 255, 255, 0.7);
        }

        /* ========== STATS ROW ========== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }

        .stat-item {
            background: var(--color-card);
            border-radius: var(--radius-md);
            padding: 28px 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border);
            transition: all var(--transition-normal);
        }

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

        .stat-number {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .stat-label {
            font-size: 0.95rem;
            color: var(--color-muted);
            font-weight: 500;
        }

        /* ========== FEATURE GRID ========== */
        .feature-grid-two {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .feature-grid-two.reverse {
            direction: rtl;
        }

        .feature-grid-two.reverse>* {
            direction: ltr;
        }

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

        .feature-img-wrap img {
            width: 100%;
            height: auto;
            display: block;
            transition: transform var(--transition-normal);
        }

        .feature-img-wrap:hover img {
            transform: scale(1.03);
        }

        .feature-text h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-heading);
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .feature-text p {
            font-size: 1rem;
            color: var(--color-body);
            line-height: 1.75;
            margin-bottom: 16px;
        }

        .feature-text .feature-list {
            list-style: none;
            padding: 0;
            margin: 0 0 18px;
        }

        .feature-text .feature-list li {
            padding: 6px 0 6px 26px;
            position: relative;
            font-size: 0.95rem;
            color: var(--color-body);
            line-height: 1.6;
        }

        .feature-text .feature-list li::before {
            content: '✓';
            position: absolute;
            left: 0;
            top: 6px;
            color: var(--color-green);
            font-weight: 700;
            font-size: 0.9rem;
        }

        .btn-outline-accent {
            display: inline-block;
            padding: 10px 22px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-accent);
            background: transparent;
            border: 2px solid var(--color-accent);
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-fast);
            text-decoration: none;
            text-align: center;
            white-space: nowrap;
        }

        .btn-outline-accent:hover {
            background: var(--color-accent);
            color: #fff;
        }

        /* ========== CONTENT + SIDEBAR LAYOUT ========== */
        .content-with-sidebar {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 36px;
            align-items: start;
        }

        .content-main {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

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

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

        .info-card .card-img {
            height: 200px;
            overflow: hidden;
        }

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

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

        .info-card .card-body {
            padding: 20px;
        }

        .info-card .card-body h4 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-heading);
            margin: 0 0 10px;
            line-height: 1.4;
        }

        .info-card .card-body p {
            font-size: 0.9rem;
            color: var(--color-body);
            line-height: 1.65;
            margin: 0 0 14px;
        }

        .info-card .card-body .card-meta {
            font-size: 0.8rem;
            color: var(--color-muted);
            margin-bottom: 12px;
        }

        .btn-card {
            display: inline-block;
            padding: 8px 18px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-accent);
            background: rgba(245, 124, 0, 0.06);
            border: 1px solid var(--color-accent);
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-fast);
            text-decoration: none;
            text-align: center;
        }

        .btn-card:hover {
            background: var(--color-accent);
            color: #fff;
        }

        /* ========== SIDEBAR ========== */
        .sidebar-widget {
            background: var(--color-card);
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border);
            margin-bottom: 24px;
        }

        .sidebar-widget h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-heading);
            margin: 0 0 16px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--color-accent);
            display: inline-block;
        }

        .sidebar-widget .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .sidebar-widget .tag-list li a {
            display: inline-block;
            padding: 6px 14px;
            font-size: 0.82rem;
            font-weight: 500;
            color: var(--color-body);
            background: #f7f7f7;
            border-radius: 20px;
            border: 1px solid var(--color-border);
            transition: all var(--transition-fast);
            text-decoration: none;
        }

        .sidebar-widget .tag-list li a:hover {
            background: var(--color-accent);
            color: #fff;
            border-color: var(--color-accent);
        }

        .sidebar-widget .link-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .sidebar-widget .link-list li {
            padding: 10px 0;
            border-bottom: 1px solid #f0f0f0;
        }

        .sidebar-widget .link-list li:last-child {
            border-bottom: none;
        }

        .sidebar-widget .link-list li a {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-body);
            transition: all var(--transition-fast);
            text-decoration: none;
        }

        .sidebar-widget .link-list li a:hover {
            color: var(--color-accent);
            padding-left: 4px;
        }

        .sidebar-widget .link-list li a i {
            color: var(--color-accent);
            font-size: 0.75rem;
            width: 16px;
            text-align: center;
        }

        /* ========== ODDS TABLE SECTION ========== */
        .odds-highlight-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .odds-card {
            background: var(--color-card);
            border-radius: var(--radius-md);
            padding: 28px 22px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border);
            text-align: center;
            transition: all var(--transition-normal);
            position: relative;
            overflow: hidden;
        }

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

        .odds-card .odds-badge {
            position: absolute;
            top: 14px;
            right: 14px;
            background: var(--color-green);
            color: #fff;
            padding: 4px 10px;
            border-radius: 12px;
            font-size: 0.75rem;
            font-weight: 600;
        }

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

        .odds-card h4 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-heading);
            margin: 0 0 8px;
        }

        .odds-card .odds-value {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-accent);
            margin: 10px 0;
            line-height: 1.2;
        }

        .odds-card .odds-change {
            font-size: 0.85rem;
            color: var(--color-green);
            font-weight: 600;
        }

        .odds-card .odds-change.down {
            color: #e74c3c;
        }

        .odds-card p {
            font-size: 0.85rem;
            color: var(--color-muted);
            margin: 8px 0 0;
            line-height: 1.5;
        }

        /* ========== FAQ ========== */
        .faq-accordion {
            max-width: 800px;
            margin: 0 auto;
        }

        .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);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

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

        .faq-question {
            width: 100%;
            padding: 18px 22px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-heading);
            background: none;
            border: none;
            text-align: left;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            transition: color var(--transition-fast);
            line-height: 1.5;
        }

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

        .faq-question .faq-icon {
            font-size: 0.9rem;
            color: var(--color-accent);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-normal), padding var(--transition-normal);
        }

        .faq-item.open .faq-answer {
            max-height: 500px;
            padding: 0 22px 20px;
        }

        .faq-answer p {
            font-size: 0.95rem;
            color: var(--color-body);
            line-height: 1.75;
            margin: 0;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(135deg, #1E1E1E 0%, #2C2A26 100%);
            padding: 64px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            background: rgba(245, 124, 0, 0.08);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section .cta-content {
            position: relative;
            z-index: 1;
            max-width: 650px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 14px;
            line-height: 1.3;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.78);
            margin: 0 0 28px;
            line-height: 1.7;
        }

        .cta-section .btn-accent-lg {
            display: inline-block;
            padding: 15px 36px;
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
            background: var(--color-accent);
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-normal);
            text-decoration: none;
            text-align: center;
            box-shadow: 0 6px 24px rgba(245, 124, 0, 0.35);
        }

        .cta-section .btn-accent-lg:hover {
            background: #e06d00;
            color: #fff;
            box-shadow: 0 10px 32px rgba(245, 124, 0, 0.5);
            transform: translateY(-2px);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1a1a1a;
            color: #bbb;
            padding: 48px 0 0;
            font-size: 0.9rem;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
            gap: 36px;
            padding-bottom: 36px;
            border-bottom: 1px solid #333;
        }

        .site-footer h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 14px;
        }

        .site-footer p {
            line-height: 1.7;
            margin: 0;
            font-size: 0.88rem;
        }

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

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

        .site-footer ul li a {
            color: #bbb;
            font-size: 0.88rem;
            transition: color var(--transition-fast);
            text-decoration: none;
        }

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

        .footer-subscribe {
            display: flex;
            gap: 8px;
        }

        .footer-subscribe input {
            flex: 1;
            padding: 10px 14px;
            border-radius: var(--radius-sm);
            border: 1px solid #444;
            background: #222;
            color: #ddd;
            font-size: 0.88rem;
            min-width: 0;
        }

        .footer-subscribe input::placeholder {
            color: #777;
        }

        .footer-subscribe input:focus {
            outline: none;
            border-color: var(--color-accent);
        }

        .footer-subscribe button {
            padding: 10px 18px;
            background: var(--color-accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.88rem;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .footer-subscribe button:hover {
            background: #e06d00;
        }

        .footer-bottom {
            padding: 20px 0;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 0.82rem;
            color: #888;
        }

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

        .footer-links-row a {
            color: #888;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

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

        .footer-links-row span {
            color: #555;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .content-with-sidebar {
                grid-template-columns: 1fr;
            }
            .sidebar-widget {
                margin-bottom: 0;
            }
            .odds-highlight-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .feature-grid-two {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .feature-grid-two.reverse {
                direction: ltr;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .page-banner h1 {
                font-size: 2.2rem;
            }
            .content-main {
                grid-template-columns: 1fr 1fr;
            }
        }

        @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: 1px solid var(--color-border);
                z-index: 999;
                gap: 4px;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links li a {
                display: block;
                padding: 12px 16px;
                width: 100%;
                border-radius: var(--radius-sm);
            }
            .nav-toggle {
                display: block;
            }
            .nav-cta-group {
                gap: 6px;
            }
            .btn-nav-secondary {
                padding: 7px 12px;
                font-size: 0.8rem;
            }
            .btn-nav-primary {
                padding: 7px 14px;
                font-size: 0.8rem;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .stat-number {
                font-size: 2rem;
            }
            .content-main {
                grid-template-columns: 1fr;
            }
            .odds-highlight-grid {
                grid-template-columns: 1fr;
            }
            .page-banner {
                min-height: 340px;
            }
            .page-banner h1 {
                font-size: 1.8rem;
            }
            .page-banner .banner-subtitle {
                font-size: 1rem;
            }
            .section {
                padding: 40px 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .footer-links-row {
                justify-content: center;
            }
            .feature-grid-two {
                gap: 20px;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .nav-cta-group .btn-nav-secondary {
                display: none;
            }
            .page-banner {
                min-height: 300px;
            }
            .page-banner h1 {
                font-size: 1.5rem;
            }
            .page-banner .banner-subtitle {
                font-size: 0.9rem;
            }
            .stats-row {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .stat-item {
                padding: 20px 16px;
            }
            .stat-number {
                font-size: 1.8rem;
            }
            .banner-cta-group {
                flex-direction: column;
                align-items: center;
            }
            .btn-accent,
            .btn-outline-light {
                width: 100%;
                text-align: center;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .info-card .card-img {
                height: 160px;
            }
            .footer-subscribe {
                flex-direction: column;
            }
            .footer-subscribe button {
                width: 100%;
            }
        }