/* roulang page: index */
:root {
            --bg-primary: #0B101B;
            --bg-panel: #131C2C;
            --bg-panel2: #182236;
            --border-color: #243348;
            --text-primary: #E6EDF5;
            --text-secondary: #93A5BC;
            --accent-orange: #F97316;
            --accent-cyan: #22D3EE;
            --success: #34D399;
            --warning: #F87171;
            --radius-card: 16px;
            --radius-btn: 8px;
            --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.5);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.75;
            font-size: 16px;
            overflow-x: hidden;
        }

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

        a {
            color: var(--accent-cyan);
            text-decoration: none;
            transition: color 0.2s ease;
        }

        a:hover {
            color: #67e8f9;
        }

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

        input,
        select,
        textarea {
            font-family: inherit;
            font-size: 14px;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-btn);
            padding: 12px 16px;
            outline: none;
            transition: border-color 0.2s, box-shadow 0.2s;
            width: 100%;
        }

        input:focus,
        select:focus,
        textarea:focus {
            border-color: var(--accent-orange);
            box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.15);
        }

        input::placeholder,
        textarea::placeholder {
            color: #5f6f85;
        }

        .container-site {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .side-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: 240px;
            height: 100vh;
            background: var(--bg-panel2);
            border-right: 1px solid var(--border-color);
            z-index: 50;
            display: none;
            flex-direction: column;
            padding: 28px 0 24px;
            overflow-y: auto;
        }

        .side-nav-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 0 24px 28px;
            border-bottom: 1px solid rgba(36, 51, 72, 0.5);
            margin-bottom: 20px;
        }

        .side-nav-brand .brand-icon {
            width: 42px;
            height: 42px;
            min-width: 42px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--accent-orange) 0%, #fdba74 100%);
            border-radius: 12px;
            font-size: 20px;
            font-weight: 900;
            color: #0B101B;
        }

        .side-nav-brand .brand-text {
            font-size: 18px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
        }

        .side-nav .nav-links {
            display: flex;
            flex-direction: column;
            gap: 4px;
            padding: 0 16px;
            flex: 1;
        }

        .side-nav .nav-link {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 14px;
            border-radius: 10px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all 0.2s ease;
            border-left: 3px solid transparent;
        }

        .side-nav .nav-link:hover {
            background: rgba(255, 255, 255, 0.04);
            color: var(--text-primary);
        }

        .side-nav .nav-link.active {
            background: rgba(249, 115, 22, 0.08);
            color: var(--accent-orange);
            border-left-color: var(--accent-orange);
            font-weight: 600;
        }

        .side-nav .nav-footer {
            padding: 20px 24px 0;
            border-top: 1px solid rgba(36, 51, 72, 0.5);
            color: #5f6f85;
            font-size: 13px;
        }

        .mobile-nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: rgba(13, 18, 34, 0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            z-index: 40;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 20px;
        }

        .mobile-nav .brand-text {
            font-size: 17px;
            font-weight: 800;
            color: var(--text-primary);
        }

        .mobile-nav .hamburger {
            width: 42px;
            height: 42px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            border: 1px solid var(--border-color);
            border-radius: 10px;
            color: var(--text-primary);
        }

        .mobile-nav .hamburger:hover {
            background: rgba(255, 255, 255, 0.05);
        }

        .mobile-drawer {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(11, 16, 27, 0.98);
            z-index: 100;
            display: none;
            flex-direction: column;
            padding: 24px;
            overflow-y: auto;
        }

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

        .mobile-drawer .drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 40px;
        }

        .mobile-drawer .drawer-close {
            width: 42px;
            height: 42px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            border: 1px solid var(--border-color);
            border-radius: 10px;
            color: var(--text-primary);
            font-size: 20px;
        }

        .mobile-drawer .drawer-link {
            display: block;
            padding: 16px 0;
            font-size: 20px;
            font-weight: 600;
            color: var(--text-primary);
            border-bottom: 1px solid rgba(36, 51, 72, 0.5);
        }

        .mobile-drawer .drawer-link.active {
            color: var(--accent-orange);
        }

        .main-content {
            padding-top: 60px;
            position: relative;
        }

        .hero-section {
            position: relative;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            padding: 80px 0 56px;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 16, 27, 0.92) 0%, rgba(11, 16, 27, 0.78) 50%, rgba(11, 16, 27, 0.65) 100%);
            z-index: 1;
        }

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

        .hero-glow-orange {
            position: absolute;
            width: 400px;
            height: 400px;
            background: rgba(249, 115, 22, 0.12);
            border-radius: 50%;
            filter: blur(80px);
            top: -100px;
            right: 10%;
            z-index: 1;
        }

        .hero-glow-cyan {
            position: absolute;
            width: 300px;
            height: 300px;
            background: rgba(34, 211, 238, 0.08);
            border-radius: 50%;
            filter: blur(70px);
            bottom: -50px;
            left: 5%;
            z-index: 1;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(249, 115, 22, 0.12);
            border: 1px solid rgba(249, 115, 22, 0.3);
            color: #fdba74;
            font-size: 13px;
            font-weight: 500;
            padding: 6px 16px;
            border-radius: 999px;
            margin-bottom: 24px;
            letter-spacing: 0.02em;
        }

        .hero-badge::before {
            content: '';
            width: 8px;
            height: 8px;
            background: var(--accent-orange);
            border-radius: 50%;
            box-shadow: 0 0 8px rgba(249, 115, 22, 0.6);
        }

        .hero-title {
            font-size: clamp(2.2rem, 4.5vw, 3.5rem);
            font-weight: 900;
            line-height: 1.2;
            letter-spacing: -0.02em;
            color: var(--text-primary);
            margin-bottom: 16px;
            max-width: 680px;
        }

        .hero-title .highlight {
            color: var(--accent-orange);
        }

        .hero-subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 560px;
            margin-bottom: 40px;
        }

        .stat-card {
            background: rgba(19, 28, 44, 0.85);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(36, 51, 72, 0.6);
            border-radius: var(--radius-card);
            padding: 24px;
            border-top: 4px solid var(--accent-orange);
            transition: transform 0.2s ease, box-shadow 0.2s ease;
        }

        .stat-card:nth-child(even) {
            border-top-color: var(--accent-cyan);
        }

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

        .stat-number {
            font-size: clamp(1.8rem, 3vw, 2.4rem);
            font-weight: 900;
            line-height: 1.2;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-secondary);
        }

        .stat-trend {
            display: inline-block;
            font-size: 12px;
            font-weight: 500;
            color: var(--success);
            background: rgba(52, 211, 153, 0.1);
            padding: 2px 10px;
            border-radius: 999px;
            margin-top: 8px;
        }

        .section-block {
            padding: 64px 0;
        }

        .section-label {
            font-size: 13px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--accent-cyan);
            margin-bottom: 8px;
            display: block;
        }

        .section-title {
            font-size: clamp(1.6rem, 2.5vw, 2.2rem);
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .section-desc {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 680px;
            margin-bottom: 36px;
        }

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

        .service-card {
            background: var(--bg-panel);
            border: 1px solid rgba(36, 51, 72, 0.5);
            border-radius: var(--radius-card);
            padding: 28px;
            position: relative;
            overflow: hidden;
            transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
        }

        .service-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(249, 115, 22, 0.4);
        }

        .service-card .service-icon {
            width: 52px;
            height: 52px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(249, 115, 22, 0.1);
            border-radius: 14px;
            font-size: 24px;
            margin-bottom: 16px;
        }

        .service-card .service-icon.cyan {
            background: rgba(34, 211, 238, 0.1);
        }

        .service-card .service-icon.green {
            background: rgba(52, 211, 153, 0.1);
        }

        .service-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .service-card p {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.65;
            margin-bottom: 16px;
        }

        .service-card .service-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--accent-cyan);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .service-card .service-link:hover {
            color: #67e8f9;
        }

        .service-card-lg {
            background: linear-gradient(135deg, rgba(19, 28, 44, 0.9) 0%, rgba(24, 34, 54, 0.9) 100%);
            background-image: url('/assets/images/coverpic/cover-1.webp');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            padding: 32px;
            border: 1px solid rgba(36, 51, 72, 0.5);
            border-radius: var(--radius-card);
            position: relative;
            overflow: hidden;
            transition: transform 0.2s ease, box-shadow 0.2s ease;
        }

        .service-card-lg::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 16, 27, 0.92) 0%, rgba(19, 28, 44, 0.75) 100%);
            z-index: 1;
        }

        .service-card-lg .service-content {
            position: relative;
            z-index: 2;
        }

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

        .compare-panel {
            background: var(--bg-panel);
            border: 1px solid rgba(36, 51, 72, 0.5);
            border-radius: var(--radius-card);
            padding: 32px;
        }

        .compare-column {
            padding: 8px 0;
        }

        .compare-column h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .compare-item {
            margin-bottom: 20px;
        }

        .compare-item .compare-label {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 6px;
            display: flex;
            justify-content: space-between;
        }

        .compare-bar {
            height: 10px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 999px;
            overflow: hidden;
        }

        .compare-bar .bar-fill {
            height: 100%;
            border-radius: 999px;
            background: linear-gradient(90deg, var(--accent-orange), #fdba74);
            transition: width 0.8s ease;
        }

        .compare-bar .bar-fill.cyan {
            background: linear-gradient(90deg, var(--accent-cyan), #67e8f9);
        }

        .vs-badge {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 60px;
            height: 60px;
            background: var(--bg-primary);
            border: 2px solid var(--border-color);
            border-radius: 50%;
            font-size: 16px;
            font-weight: 800;
            color: var(--text-primary);
            margin: 24px auto;
            position: relative;
            z-index: 2;
        }

        .game-card {
            background: var(--bg-panel);
            border: 1px solid rgba(36, 51, 72, 0.5);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
        }

        .game-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(34, 211, 238, 0.4);
        }

        .game-card .game-cover {
            width: 100%;
            height: 160px;
            object-fit: cover;
        }

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

        .game-card .game-name {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .game-card .game-type {
            color: var(--text-secondary);
            font-size: 13px;
            margin-bottom: 12px;
        }

        .game-card .game-score {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 14px;
            font-weight: 600;
            color: #fdba74;
        }

        .news-item {
            display: flex;
            gap: 16px;
            padding: 20px 0;
            border-bottom: 1px solid rgba(36, 51, 72, 0.4);
            transition: background 0.2s ease;
            border-radius: 8px;
        }

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

        .news-item:hover {
            background: rgba(255, 255, 255, 0.02);
        }

        .news-item .news-thumb {
            width: 120px;
            height: 80px;
            border-radius: 10px;
            object-fit: cover;
            flex-shrink: 0;
        }

        .news-item .news-body {
            flex: 1;
        }

        .news-item .news-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 4px;
            display: block;
            line-height: 1.4;
        }

        .news-item .news-title:hover {
            color: var(--accent-cyan);
        }

        .news-item .news-excerpt {
            font-size: 14px;
            color: var(--text-secondary);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 6px;
        }

        .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: #5f6f85;
        }

        .news-meta .tag {
            background: rgba(34, 211, 238, 0.1);
            color: var(--accent-cyan);
            padding: 2px 10px;
            border-radius: 999px;
            font-weight: 500;
        }

        .faq-item {
            border-bottom: 1px solid rgba(36, 51, 72, 0.5);
        }

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 0;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            transition: color 0.2s;
        }

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

        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--border-color);
            border-radius: 50%;
            font-size: 14px;
            flex-shrink: 0;
            transition: transform 0.3s, background 0.2s, color 0.2s;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: rgba(249, 115, 22, 0.1);
            color: var(--accent-orange);
            border-color: rgba(249, 115, 22, 0.4);
        }

        .faq-answer {
            overflow: hidden;
            max-height: 0;
            transition: max-height 0.4s ease;
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.7;
        }

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

        .cta-form-wrapper {
            background: var(--bg-panel);
            border: 1px solid rgba(36, 51, 72, 0.5);
            border-radius: 20px;
            padding: 40px;
            position: relative;
            overflow: hidden;
        }

        .cta-form-wrapper::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--accent-orange), var(--accent-cyan));
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-group label {
            display: block;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--accent-orange);
            color: #0B101B;
            font-weight: 700;
            font-size: 15px;
            padding: 14px 28px;
            border-radius: var(--radius-btn);
            border: none;
            transition: all 0.2s ease;
        }

        .btn-primary:hover {
            background: var(--accent-orange);
            filter: brightness(1.1);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(249, 115, 22, 0.25);
        }

        .btn-primary:focus,
        .btn-primary:focus-visible {
            outline: 2px solid var(--accent-orange);
            outline-offset: 2px;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--accent-cyan);
            font-weight: 600;
            font-size: 15px;
            padding: 14px 28px;
            border-radius: var(--radius-btn);
            border: 1px solid rgba(34, 211, 238, 0.4);
            transition: all 0.2s ease;
        }

        .btn-secondary:hover {
            background: rgba(34, 211, 238, 0.08);
            color: #67e8f9;
            border-color: rgba(34, 211, 238, 0.6);
        }

        .footer-site {
            background: var(--bg-panel2);
            border-top: 1px solid rgba(36, 51, 72, 0.5);
            padding: 48px 0 24px;
            margin-top: 64px;
        }

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

        .footer-site h4 {
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .footer-site .footer-links a {
            display: block;
            color: var(--text-secondary);
            font-size: 14px;
            padding: 4px 0;
        }

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

        .footer-site .footer-copyright {
            border-top: 1px solid rgba(36, 51, 72, 0.4);
            padding-top: 20px;
            text-align: center;
            color: #5f6f85;
            font-size: 13px;
        }

        .empty-state {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            padding: 48px 20px;
            text-align: center;
            color: var(--text-secondary);
        }

        .empty-state .empty-icon {
            font-size: 40px;
            margin-bottom: 12px;
            opacity: 0.4;
        }

        .light-band {
            background: linear-gradient(90deg, rgba(249, 115, 22, 0.06), rgba(34, 211, 238, 0.06));
            border-top: 1px solid rgba(36, 51, 72, 0.3);
            border-bottom: 1px solid rgba(36, 51, 72, 0.3);
        }

        @media (min-width: 1024px) {
            .side-nav {
                display: flex;
            }

            .mobile-nav {
                display: none;
            }

            .main-content {
                margin-left: 240px;
                padding-top: 0;
            }

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

            .service-grid .service-card-lg {
                grid-column: span 1;
            }

            .footer-site .footer-grid {
                grid-template-columns: 2fr 1fr 1fr;
            }
        }

        @media (min-width: 768px) and (max-width: 1023px) {
            .service-grid {
                grid-template-columns: 1fr 1fr;
            }

            .service-card-lg {
                grid-column: span 2;
            }
        }

        @media (max-width: 767px) {
            .hero-section {
                padding: 48px 0 40px;
            }

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

            .cta-form-wrapper {
                padding: 24px;
            }

            .news-item .news-thumb {
                display: none;
            }
        }

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

            .service-card-lg {
                grid-column: span 1;
                padding: 24px;
            }

            .compare-panel {
                padding: 20px;
            }

            .game-card .game-cover {
                height: 120px;
            }
        }

/* roulang page: article */
:root {
  --bg-primary: #0B101B;
  --bg-panel: #131C2C;
  --bg-sub: #182236;
  --bg-nav: #0D1322;
  --border-color: #243348;
  --text-primary: #E6EDF5;
  --text-secondary: #93A5BC;
  --accent-orange: #F97316;
  --accent-cyan: #22D3EE;
  --radius-card: 1rem;
  --radius-btn: 0.625rem;
  --shadow-card: 0 8px 30px rgba(0,0,0,0.35);
}
html {
  scroll-behavior: smooth;
}
body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
.container-site {
  width: 100%;
  max-width: 80rem;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}
@media (min-width: 768px) {
  .container-site {
    padding-left: 2rem;
    padding-right: 2rem;
  }
}
.section-title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-top: 0.875rem;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.3rem 0.875rem;
  border-radius: 999px;
  background: rgba(34,211,238,0.08);
  border: 1px solid rgba(34,211,238,0.22);
  color: #67E8F9;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.nav-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.7rem 1rem;
  border-radius: 0.625rem;
  font-size: 0.925rem;
  font-weight: 500;
  color: #94A3B8;
  transition: all 0.15s ease;
  border-left: 3px solid transparent;
}
.nav-link i {
  width: 1.25rem;
  text-align: center;
  font-size: 1rem;
}
.nav-link:hover {
  color: #E6EDF5;
  background: rgba(255,255,255,0.04);
}
.nav-link.active {
  color: var(--accent-orange);
  background: rgba(249,115,22,0.08);
  font-weight: 700;
  border-left-color: var(--accent-orange);
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.75rem;
  border-radius: 0.625rem;
  background: var(--accent-orange);
  color: #0B101B;
  font-weight: 700;
  font-size: 0.95rem;
  transition: all 0.15s ease;
  box-shadow: 0 4px 20px rgba(249,115,22,0.25);
}
.btn-primary:hover {
  background: #FB923C;
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(249,115,22,0.35);
}
.btn-primary:focus-visible {
  outline: 2px solid #FDBA74;
  outline-offset: 2px;
}
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.75rem;
  border-radius: 0.625rem;
  border: 1px solid rgba(34,211,238,0.45);
  color: #67E8F9;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.15s ease;
  background: transparent;
}
.btn-secondary:hover {
  background: rgba(34,211,238,0.1);
  transform: translateY(-2px);
}
.card-hover {
  transition: transform 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}
.card-hover:hover {
  transform: translateY(-4px);
  border-color: rgba(249,115,22,0.5) !important;
  box-shadow: var(--shadow-card);
}
.article-body {
  font-size: 1.0625rem;
  line-height: 1.85;
  color: rgba(230,237,245,0.92);
}
.article-body h2 {
  font-size: 1.5rem;
  font-weight: 800;
  margin: 2.25rem 0 1rem;
  padding-left: 0.875rem;
  border-left: 3px solid var(--accent-orange);
  line-height: 1.35;
}
.article-body h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 1.75rem 0 0.875rem;
  color: #E6EDF5;
}
.article-body p {
  margin-bottom: 1.25rem;
}
.article-body a {
  color: var(--accent-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.article-body a:hover {
  color: #67E8F9;
}
.article-body ul,
.article-body ol {
  margin: 1rem 0 1.5rem;
  padding-left: 1.5rem;
}
.article-body ul li {
  list-style: disc;
  margin: 0.4rem 0;
}
.article-body ol li {
  list-style: decimal;
  margin: 0.4rem 0;
}
.article-body blockquote {
  border-left: 3px solid var(--accent-cyan);
  background: rgba(34,211,238,0.06);
  padding: 1rem 1.25rem;
  border-radius: 0 0.75rem 0.75rem 0;
  margin: 1.5rem 0;
  color: var(--text-secondary);
}
.article-body img {
  border-radius: 1rem;
  max-width: 100%;
  height: auto;
  margin: 1.5rem 0;
  border: 1px solid var(--border-color);
}
.article-body hr {
  border: none;
  height: 1px;
  background: var(--border-color);
  margin: 2rem 0;
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}
.faq-question {
  cursor: pointer;
  transition: color 0.15s ease;
}
.faq-question:hover {
  color: var(--accent-orange);
}
.faq-icon {
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.5rem;
  background: rgba(255,255,255,0.04);
  color: var(--accent-cyan);
  transition: transform 0.3s ease, background 0.15s ease;
  flex-shrink: 0;
}
.footer-site {
  border-top: 3px solid var(--accent-orange);
  background: var(--bg-nav);
}
.footer-grid {
  display: grid;
  gap: 2.5rem;
  padding: 3.5rem 0;
}
@media (min-width: 640px) {
  .footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr;
  }
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.footer-links a,
.footer-links span {
  padding: 4px 0;
}
.footer-links a {
  color: var(--text-secondary);
  font-size: 14px;
  transition: color 0.15s ease;
}
.footer-links a:hover {
  color: var(--accent-cyan);
}
.footer-copyright {
  border-top: 1px solid var(--border-color);
  padding: 1.5rem 0;
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.875rem;
}
.breadcrumb a {
  transition: color 0.15s ease;
}
@media (max-width: 1023px) {
  .lg-desktop-only {
    display: none;
  }
}
@media (min-width: 1024px) {
  .lg-mobile-only {
    display: none;
  }
}

/* roulang page: category1 */
/* ========== 设计变量 ========== */
        :root {
            --bg-dark: #0B101B;
            --bg-panel: #131C2C;
            --bg-panel2: #182236;
            --bg-nav: #0D1322;
            --border-color: #243348;
            --border-soft: rgba(255, 255, 255, 0.06);
            --text-primary: #E6EDF5;
            --text-secondary: #93A5BC;
            --accent-primary: #F97316;
            --accent-secondary: #22D3EE;
            --accent-green: #34D399;
            --accent-red: #F87171;
            --radius-card: 16px;
            --radius-btn: 8px;
            --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.5);
            --font-sans: -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        }

        /* ========== Reset / Base ========== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background: var(--bg-dark);
            color: var(--text-primary);
            line-height: 1.75;
            letter-spacing: 0.01em;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease;
        }

        button {
            font-family: inherit;
            border: none;
            background: none;
            cursor: pointer;
        }

        input,
        select,
        textarea {
            font-family: inherit;
            font-size: 1rem;
            color: var(--text-primary);
        }

        /* ========== 容器 ========== */
        .container-site {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        /* ========== 侧边导航 ========== */
        .side-nav {
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            width: 260px;
            background: var(--bg-nav);
            border-right: 1px solid var(--border-soft);
            display: none;
            flex-direction: column;
            padding: 30px 20px 20px;
            z-index: 60;
            overflow-y: auto;
            transition: box-shadow 0.3s ease;
        }

        .side-nav:hover {
            box-shadow: 6px 0 30px rgba(0, 0, 0, 0.3);
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 0 8px 28px;
            margin-bottom: 18px;
            border-bottom: 1px solid var(--border-soft);
        }

        .brand-mark {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--accent-primary), #fb923c);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 900;
            color: #0B101B;
            flex-shrink: 0;
            box-shadow: 0 4px 14px rgba(249, 115, 22, 0.35);
        }

        .brand-text {
            font-size: 18px;
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.3;
            color: var(--text-primary);
            white-space: nowrap;
        }

        .brand-text span {
            display: block;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            letter-spacing: 0.01em;
            margin-top: 2px;
        }

        .nav-links {
            display: flex;
            flex-direction: column;
            gap: 4px;
            flex: 1;
        }

        .nav-link {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 13px 14px;
            border-radius: 10px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            position: relative;
            transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
        }

        .nav-link i {
            width: 20px;
            text-align: center;
            font-size: 16px;
        }

        .nav-link:hover {
            background: rgba(255, 255, 255, 0.04);
            color: var(--text-primary);
            transform: translateX(2px);
        }

        .nav-link.active {
            background: rgba(249, 115, 22, 0.1);
            color: var(--accent-primary);
            font-weight: 700;
        }

        .nav-link.active::before {
            content: "";
            position: absolute;
            left: 0;
            top: 20%;
            bottom: 20%;
            width: 3px;
            border-radius: 0 4px 4px 0;
            background: var(--accent-primary);
        }

        .side-nav-footer {
            border-top: 1px solid var(--border-soft);
            padding-top: 18px;
            margin-top: 18px;
            font-size: 13px;
            color: var(--text-secondary);
        }

        .side-nav-footer p {
            padding: 3px 8px;
        }

        /* ========== 移动端顶栏 ========== */
        .mobile-header {
            position: sticky;
            top: 0;
            z-index: 55;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            background: var(--bg-nav);
            border-bottom: 1px solid var(--border-soft);
        }

        .nav-burger {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            border: 1px solid var(--border-color);
            color: var(--text-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            transition: background 0.2s ease, border-color 0.2s ease;
        }

        .nav-burger:hover {
            background: rgba(255, 255, 255, 0.05);
            border-color: var(--accent-primary);
        }

        /* ========== 移动端抽屉 ========== */
        .mobile-drawer {
            position: fixed;
            inset: 0;
            z-index: 100;
            pointer-events: none;
        }

        .mobile-drawer .drawer-backdrop {
            position: absolute;
            inset: 0;
            background: rgba(0, 0, 0, 0.65);
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .mobile-drawer .drawer-panel {
            position: absolute;
            top: 0;
            right: 0;
            width: 300px;
            height: 100%;
            background: var(--bg-nav);
            padding: 26px 20px;
            transform: translateX(100%);
            transition: transform 0.3s ease;
            display: flex;
            flex-direction: column;
            border-left: 1px solid var(--border-soft);
        }

        .mobile-drawer.open {
            pointer-events: auto;
        }

        .mobile-drawer.open .drawer-backdrop {
            opacity: 1;
        }

        .mobile-drawer.open .drawer-panel {
            transform: translateX(0);
        }

        .drawer-close {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            border: 1px solid var(--border-color);
            transition: all 0.2s ease;
        }

        .drawer-close:hover {
            color: var(--accent-primary);
            border-color: var(--accent-primary);
        }

        .drawer-links {
            display: flex;
            flex-direction: column;
            gap: 6px;
            margin-top: 28px;
        }

        .drawer-links a {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 14px 10px;
            border-radius: 10px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all 0.2s ease;
        }

        .drawer-links a:hover {
            background: rgba(255, 255, 255, 0.05);
            color: var(--text-primary);
        }

        .drawer-links a.active {
            background: rgba(249, 115, 22, 0.12);
            color: var(--accent-primary);
            font-weight: 700;
        }

        /* ========== 主内容区 ========== */
        .main-content {
            margin-left: 0;
            min-height: 100vh;
        }

        /* ========== Hero ========== */
        .hero-section {
            position: relative;
            background-size: cover;
            background-position: center;
            min-height: 620px;
            display: flex;
            align-items: center;
            isolation: isolate;
        }

        .hero-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 16, 27, 0.65) 0%, rgba(11, 16, 27, 0.85) 70%, var(--bg-dark) 100%);
            z-index: -1;
        }

        .hero-section::after {
            content: "";
            position: absolute;
            width: 420px;
            height: 420px;
            top: -120px;
            right: -80px;
            background: rgba(249, 115, 22, 0.18);
            border-radius: 50%;
            filter: blur(100px);
            z-index: -2;
            pointer-events: none;
        }

        .hero-content {
            padding-top: 80px;
            padding-bottom: 80px;
            width: 100%;
        }

        .hero-chip {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(34, 211, 238, 0.12);
            border: 1px solid rgba(34, 211, 238, 0.3);
            color: var(--accent-secondary);
            border-radius: 999px;
            padding: 7px 18px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 28px;
        }

        .hero-title {
            font-size: clamp(2.5rem, 5vw, 4rem);
            font-weight: 900;
            line-height: 1.15;
            letter-spacing: -0.03em;
            margin-bottom: 22px;
            color: var(--text-primary);
        }

        .hero-title .accent {
            color: var(--accent-primary);
        }

        .hero-subtitle {
            font-size: 1.125rem;
            line-height: 1.8;
            color: var(--text-secondary);
            max-width: 640px;
            margin-bottom: 36px;
        }

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

        /* ========== 按钮 ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 13px 28px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 700;
            transition: all 0.2s ease;
        }

        .btn i {
            font-size: 14px;
            transition: transform 0.2s ease;
        }

        .btn:hover i {
            transform: translateX(4px);
        }

        .btn-primary {
            background: var(--accent-primary);
            color: #0B101B;
            box-shadow: 0 4px 18px rgba(249, 115, 22, 0.3);
        }

        .btn-primary:hover {
            background: #fb923c;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(249, 115, 22, 0.4);
        }

        .btn-primary:focus-visible {
            outline: 2px solid var(--accent-primary);
            outline-offset: 3px;
        }

        .btn-secondary {
            border: 1px solid rgba(34, 211, 238, 0.5);
            color: var(--accent-secondary);
            background: transparent;
        }

        .btn-secondary:hover {
            background: rgba(34, 211, 238, 0.1);
            transform: translateY(-2px);
        }

        .btn-secondary:focus-visible {
            outline: 2px solid var(--accent-secondary);
            outline-offset: 3px;
        }

        /* ========== 板块 ========== */
        .section-block {
            padding: 72px 24px;
        }

        .section-head {
            margin-bottom: 48px;
            max-width: 760px;
        }

        .section-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 700;
            color: var(--accent-secondary);
            text-transform: uppercase;
            letter-spacing: 0.12em;
            margin-bottom: 12px;
        }

        .section-eyebrow::before {
            content: "";
            width: 28px;
            height: 2px;
            background: var(--accent-secondary);
            border-radius: 2px;
        }

        .section-title {
            font-size: clamp(1.75rem, 3vw, 2.5rem);
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.02em;
            margin-bottom: 16px;
            color: var(--text-primary);
        }

        .section-subtitle {
            font-size: 1rem;
            line-height: 1.75;
            color: var(--text-secondary);
        }

        /* ========== 游戏分区卡片 ========== */
        .zone-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 24px;
        }

        .zone-card {
            position: relative;
            border-radius: var(--radius-card);
            border: 1px solid var(--border-soft);
            background: var(--bg-panel);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
            min-height: 300px;
            display: flex;
            flex-direction: column;
        }

        .zone-card:hover {
            transform: translateY(-4px);
            border-color: rgba(249, 115, 22, 0.4);
            box-shadow: var(--shadow-hover);
        }

        .zone-thumb {
            position: relative;
            height: 180px;
            overflow: hidden;
            background: var(--bg-panel2);
        }

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

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

        .zone-thumb::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 16, 27, 0) 40%, rgba(11, 16, 27, 0.85) 100%);
        }

        .zone-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
            background: rgba(11, 16, 27, 0.75);
            border: 1px solid rgba(34, 211, 238, 0.35);
            color: var(--accent-secondary);
            font-size: 12px;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: 999px;
            backdrop-filter: blur(6px);
        }

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

        .zone-body h3 {
            font-size: 1.25rem;
            font-weight: 800;
            margin-bottom: 8px;
            color: var(--text-primary);
        }

        .zone-body p {
            font-size: 0.9375rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 16px;
            flex: 1;
        }

        .zone-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 700;
            color: var(--accent-secondary);
            transition: gap 0.2s ease;
        }

        .zone-link:hover {
            gap: 12px;
            color: var(--accent-primary);
        }

        /* ========== 热门榜单 ========== */
        .hot-section {
            background: var(--bg-panel2);
        }

        .hot-layout {
            display: grid;
            grid-template-columns: 1fr;
            gap: 40px;
            align-items: start;
        }

        .hot-list {
            display: flex;
            flex-direction: column;
        }

        .hot-item {
            display: flex;
            gap: 20px;
            padding: 22px 10px;
            border-bottom: 1px solid var(--border-soft);
            transition: background 0.2s ease, transform 0.2s ease;
            border-radius: 10px;
        }

        .hot-item:first-child {
            border-top: 1px solid var(--border-soft);
        }

        .hot-item:hover {
            background: rgba(255, 255, 255, 0.03);
            transform: translateX(4px);
        }

        .hot-index {
            font-size: 28px;
            font-weight: 900;
            color: var(--accent-primary);
            font-style: italic;
            line-height: 1;
            min-width: 48px;
        }

        .hot-info {
            flex: 1;
        }

        .hot-name {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.125rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .hot-type {
            font-size: 12px;
            font-weight: 600;
            color: var(--accent-secondary);
            background: rgba(34, 211, 238, 0.1);
            border-radius: 999px;
            padding: 3px 12px;
            flex-shrink: 0;
        }

        .hot-desc {
            font-size: 0.875rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-top: 4px;
        }

        .hot-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 700;
            color: var(--accent-green);
            margin-top: 8px;
        }

        .hot-feature {
            position: sticky;
            top: 24px;
            border-radius: var(--radius-card);
            border: 1px solid var(--border-soft);
            background: var(--bg-panel);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .hot-feature img {
            width: 100%;
            height: 260px;
            object-fit: cover;
        }

        .hot-feature-body {
            padding: 24px;
        }

        .hot-feature-body .label {
            font-size: 12px;
            font-weight: 700;
            color: var(--accent-primary);
            letter-spacing: 0.1em;
            text-transform: uppercase;
            margin-bottom: 8px;
        }

        .hot-feature-body h3 {
            font-size: 1.5rem;
            font-weight: 800;
            margin-bottom: 10px;
            color: var(--text-primary);
        }

        .hot-feature-body p {
            font-size: 0.9375rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
        }

        /* ========== 数据看板 ========== */
        .data-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }

        .data-card {
            border-radius: var(--radius-card);
            border: 1px solid var(--border-soft);
            background: var(--bg-panel);
            padding: 28px 24px;
            position: relative;
            overflow: hidden;
            transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
        }

        .data-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
            opacity: 0.8;
        }

        .data-card:hover {
            transform: translateY(-4px);
            border-color: rgba(249, 115, 22, 0.3);
            box-shadow: var(--shadow-hover);
        }

        .data-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            background: rgba(249, 115, 22, 0.12);
            color: var(--accent-primary);
            margin-bottom: 18px;
        }

        .data-icon.cyan {
            background: rgba(34, 211, 238, 0.1);
            color: var(--accent-secondary);
        }

        .data-value {
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 900;
            line-height: 1.1;
            letter-spacing: -0.02em;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .data-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-secondary);
        }

        .data-trend {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 700;
            color: var(--accent-green);
            margin-top: 12px;
            background: rgba(52, 211, 153, 0.1);
            padding: 4px 12px;
            border-radius: 999px;
        }

        /* ========== 玩家反馈 ========== */
        .feedback-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }

        .feedback-card {
            border-radius: var(--radius-card);
            border: 1px solid var(--border-soft);
            background: var(--bg-panel);
            padding: 28px;
            transition: transform 0.2s ease, border-color 0.2s ease;
        }

        .feedback-card:hover {
            transform: translateY(-4px);
            border-color: rgba(34, 211, 238, 0.35);
        }

        .feedback-icon {
            font-size: 24px;
            color: var(--accent-primary);
            margin-bottom: 16px;
        }

        .feedback-quote {
            font-size: 0.9375rem;
            line-height: 1.75;
            color: var(--text-secondary);
            margin-bottom: 18px;
            font-style: normal;
        }

        .feedback-author {
            display: flex;
            align-items: center;
            gap: 10px;
            padding-top: 14px;
            border-top: 1px solid var(--border-soft);
        }

        .feedback-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #0B101B;
            font-size: 14px;
            font-weight: 800;
        }

        .feedback-author .name {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-primary);
        }

        .feedback-author .meta {
            font-size: 12px;
            color: var(--text-secondary);
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--bg-panel2);
        }

        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--border-soft);
            transition: background 0.2s ease;
        }

        .faq-item:first-child {
            border-top: 1px solid var(--border-soft);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 24px 8px;
            font-size: 1.0625rem;
            font-weight: 700;
            color: var(--text-primary);
            text-align: left;
            transition: color 0.2s ease;
        }

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

        .faq-question .faq-icon {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            border: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--accent-secondary);
            flex-shrink: 0;
            transition: all 0.3s ease;
        }

        .faq-item.open .faq-icon {
            background: var(--accent-primary);
            color: #0B101B;
            border-color: var(--accent-primary);
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding-left: 8px;
            padding-right: 8px;
        }

        .faq-answer-inner {
            padding-bottom: 24px;
            font-size: 0.9375rem;
            line-height: 1.8;
            color: var(--text-secondary);
        }

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

        /* ========== CTA 表单 ========== */
        .cta-section {
            position: relative;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            isolation: isolate;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: rgba(11, 16, 27, 0.88);
            z-index: -1;
        }

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

        .cta-info h2 {
            font-size: clamp(1.75rem, 3vw, 2.5rem);
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 18px;
            color: var(--text-primary);
        }

        .cta-info p {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.75;
            max-width: 480px;
        }

        .cta-form-card {
            border-radius: var(--radius-card);
            border: 1px solid var(--border-soft);
            background: var(--bg-panel);
            padding: 32px;
            box-shadow: var(--shadow-card);
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .form-input,
        .form-select,
        .form-textarea {
            width: 100%;
            background: var(--bg-dark);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-btn);
            padding: 12px 16px;
            font-size: 15px;
            color: var(--text-primary);
            outline: none;
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
        }

        .form-input::placeholder,
        .form-textarea::placeholder {
            color: rgba(147, 165, 188, 0.7);
        }

        .form-input:focus,
        .form-select:focus,
        .form-textarea:focus {
            border-color: var(--accent-primary);
            box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.18);
        }

        .form-select {
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' fill='%2393A5BC' viewBox='0 0 16 16'%3E%3Cpath d='M8 12L2 6h12L8 12z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 16px center;
            padding-right: 44px;
            cursor: pointer;
        }

        .form-select option {
            background: var(--bg-panel);
            color: var(--text-primary);
        }

        .form-textarea {
            min-height: 110px;
            resize: vertical;
        }

        .btn-submit {
            width: 100%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            background: var(--accent-primary);
            color: #0B101B;
            border-radius: var(--radius-btn);
            padding: 15px 28px;
            font-size: 15px;
            font-weight: 800;
            transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
        }

        .btn-submit:hover {
            background: #fb923c;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(249, 115, 22, 0.35);
        }

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

        .btn-submit:focus-visible {
            outline: 2px solid var(--accent-primary);
            outline-offset: 3px;
        }

        /* ========== 页脚 ========== */
        .footer-site {
            background: #0D1322;
            border-top: 1px solid rgba(249, 115, 22, 0.25);
            padding: 56px 24px 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 40px;
            max-width: 1200px;
            margin: 0 auto 40px;
        }

        .footer-site h4 {
            font-size: 15px;
            font-weight: 800;
            margin-bottom: 16px;
            color: var(--text-primary);
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-links a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: color 0.2s ease, padding-left 0.2s ease;
        }

        .footer-links a:hover {
            color: var(--accent-primary);
            padding-left: 4px;
        }

        .footer-copyright {
            max-width: 1200px;
            margin: 0 auto;
            border-top: 1px solid var(--border-soft);
            padding-top: 24px;
            text-align: center;
            font-size: 13px;
            color: var(--text-secondary);
        }

        /* ========== 响应式断点 ========== */
        @media (max-width: 1023px) {
            .side-nav {
                display: none;
            }

            .mobile-header {
                display: flex;
            }

            .main-content {
                margin-left: 0;
            }

            .footer-site {
                margin-left: 0;
            }
        }

        @media (min-width: 640px) {
            .data-grid {
                grid-template-columns: repeat(2, 1fr);
            }

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

        @media (min-width: 768px) {
            .footer-grid {
                grid-template-columns: 1.4fr 1fr 1fr;
            }
        }

        @media (min-width: 1024px) {
            .side-nav {
                display: flex;
            }

            .mobile-header {
                display: none;
            }

            .main-content {
                margin-left: 260px;
            }

            .footer-site {
                margin-left: 260px;
            }

            .zone-grid {
                grid-template-columns: repeat(12, 1fr);
            }

            .zone-card.lg-col-7 {
                grid-column: span 7;
            }

            .zone-card.lg-col-5 {
                grid-column: span 5;
            }

            .hot-layout {
                grid-template-columns: 1.2fr 0.8fr;
            }

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

            .feedback-grid {
                grid-template-columns: repeat(3, 1fr);
            }

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

            .section-block {
                padding: 96px 48px;
            }
        }

        @media (max-width: 520px) {
            .section-block {
                padding: 56px 16px;
            }

            .hero-content {
                padding-top: 56px;
                padding-bottom: 56px;
            }

            .hero-actions {
                flex-direction: column;
            }

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

            .cta-form-card {
                padding: 22px;
            }

            .hot-item {
                flex-direction: column;
                gap: 10px;
            }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #0B101B;
            --bg-panel: #131C2C;
            --bg-panel-2: #182236;
            --border-color: #243348;
            --text-primary: #E6EDF5;
            --text-secondary: #93A5BC;
            --accent-orange: #F97316;
            --accent-cyan: #22D3EE;
            --success: #34D399;
            --warning: #F87171;
            --radius-lg: 16px;
            --radius-md: 8px;
            --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.35);
            --sidebar-width: 260px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.75;
            font-size: 16px;
            display: flex;
            min-height: 100vh;
        }

        a {
            text-decoration: none;
            color: inherit;
        }

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

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            color: inherit;
        }

        .main-wrapper {
            margin-left: var(--sidebar-width);
            flex: 1;
            min-width: 0;
        }

        .container-site {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 32px;
        }

        /* ===== Sidebar ===== */
        .sidebar {
            width: var(--sidebar-width);
            position: fixed;
            inset: 0 auto 0 0;
            background: #0D1322;
            border-right: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
            z-index: 100;
            padding: 24px 16px;
        }

        .sidebar-brand {
            padding: 8px 12px 24px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            margin-bottom: 20px;
        }

        .brand-link {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .brand-mark {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--accent-orange), #ea580c);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 20px;
            color: #0B101B;
            flex-shrink: 0;
        }

        .brand-name {
            font-weight: 900;
            font-size: 18px;
            letter-spacing: 0.01em;
            line-height: 1.3;
        }

        .sidebar-close {
            display: none;
            position: absolute;
            top: 14px;
            right: 14px;
            font-size: 28px;
            padding: 4px 10px;
            border-radius: 8px;
            color: var(--text-secondary);
            line-height: 1;
        }

        .sidebar-close:hover {
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-primary);
        }

        .nav-links {
            display: flex;
            flex-direction: column;
            gap: 6px;
            flex: 1;
        }

        .nav-link {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 16px;
            border-radius: 10px;
            color: var(--text-secondary);
            font-weight: 600;
            font-size: 15px;
            transition: all 0.2s ease;
            border-left: 3px solid transparent;
        }

        .nav-link:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.04);
            transform: translateX(2px);
        }

        .nav-link.active {
            color: var(--accent-orange);
            background: rgba(249, 115, 22, 0.08);
            border-left-color: var(--accent-orange);
        }

        .sidebar-footer {
            padding: 16px 12px 8px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 12px;
            color: var(--text-secondary);
        }

        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 99;
        }

        /* ===== Mobile Header ===== */
        .mobile-header {
            display: none;
            position: sticky;
            top: 0;
            z-index: 98;
            background: #0D1322;
            border-bottom: 1px solid var(--border-color);
            padding: 14px 16px;
            align-items: center;
            justify-content: space-between;
        }

        .mobile-header .mh-title {
            font-weight: 800;
            font-size: 16px;
        }

        .menu-toggle {
            font-size: 22px;
            padding: 6px 10px;
            border-radius: 8px;
        }

        .menu-toggle:hover {
            background: rgba(255, 255, 255, 0.06);
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            padding: 88px 0 64px;
            background:
                linear-gradient(180deg, rgba(11, 16, 27, 0.93) 0%, rgba(11, 16, 27, 0.75) 100%),
                url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 14px;
            border-radius: 999px;
            background: rgba(34, 211, 238, 0.1);
            border: 1px solid rgba(34, 211, 238, 0.3);
            color: var(--accent-cyan);
            font-size: 14px;
            font-weight: 600;
        }

        .hero-title {
            font-size: clamp(2.5rem, 5vw, 4rem);
            font-weight: 900;
            line-height: 1.2;
            margin: 20px 0 16px;
        }

        .hero-title .highlight {
            color: var(--accent-orange);
        }

        .hero-subtitle {
            font-size: 1.0625rem;
            color: var(--text-secondary);
            max-width: 640px;
            line-height: 1.8;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-top: 30px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-md);
            font-weight: 700;
            font-size: 15px;
            transition: all 0.2s ease;
        }

        .btn-primary {
            background: var(--accent-orange);
            color: #0B101B;
        }

        .btn-primary:hover {
            background: #fb923c;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(249, 115, 22, 0.25);
        }

        .btn-primary:focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 2px;
        }

        .btn-secondary {
            border: 1px solid rgba(34, 211, 238, 0.5);
            color: var(--accent-cyan);
        }

        .btn-secondary:hover {
            background: rgba(34, 211, 238, 0.1);
            transform: translateY(-2px);
        }

        .btn-secondary:focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 2px;
        }

        .hero-metrics {
            margin-top: 48px;
        }

        .metric-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .metric-card {
            background: var(--bg-panel);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-lg);
            padding: 20px;
            border-top: 4px solid var(--accent-orange);
            transition: all 0.25s ease;
        }

        .metric-card:nth-child(even) {
            border-top-color: var(--accent-cyan);
        }

        .metric-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card);
            border-color: rgba(255, 255, 255, 0.1);
        }

        .metric-value {
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 900;
            line-height: 1.1;
            color: var(--text-primary);
        }

        .metric-label {
            color: var(--text-secondary);
            font-size: 14px;
            margin-top: 6px;
        }

        .metric-trend {
            font-size: 12px;
            color: var(--success);
            margin-top: 4px;
        }

        /* ===== Section ===== */
        .section {
            padding: 72px 0;
        }

        .section-alt {
            background: rgba(255, 255, 255, 0.015);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

        .section-header {
            margin-bottom: 40px;
            max-width: 720px;
        }

        .section-title {
            font-size: clamp(1.75rem, 3vw, 2.5rem);
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 12px;
        }

        .section-subtitle {
            color: var(--text-secondary);
            font-size: 1rem;
            line-height: 1.8;
        }

        /* ===== Matrix Cards ===== */
        .matrix-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            align-items: stretch;
        }

        .matrix-grid + .matrix-grid {
            margin-top: 20px;
        }

        .matrix-col {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .matrix-card {
            background: var(--bg-panel);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all 0.25s ease;
            display: flex;
            flex-direction: column;
        }

        .matrix-card:hover {
            transform: translateY(-4px);
            border-color: rgba(249, 115, 22, 0.4);
            box-shadow: var(--shadow-card);
        }

        .matrix-card .card-img {
            width: 100%;
            height: 170px;
            object-fit: cover;
        }

        .matrix-card-lg .card-img {
            height: 260px;
        }

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

        .matrix-card .card-title {
            font-size: 1.25rem;
            font-weight: 800;
            margin: 12px 0 8px;
        }

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

        .icon-badge {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(34, 211, 238, 0.1);
            font-size: 20px;
            flex-shrink: 0;
        }

        .card-link {
            margin-top: 14px;
            color: var(--accent-cyan);
            font-size: 14px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap 0.2s ease;
        }

        .card-link:hover {
            gap: 8px;
        }

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

        .scene-card {
            background: var(--bg-panel);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-lg);
            padding: 28px;
            transition: all 0.25s ease;
            position: relative;
            overflow: hidden;
        }

        .scene-card:hover {
            border-color: rgba(34, 211, 238, 0.4);
            transform: translateY(-4px);
            box-shadow: var(--shadow-card);
        }

        .scene-num {
            font-size: 48px;
            font-weight: 900;
            color: rgba(249, 115, 22, 0.15);
            position: absolute;
            top: 16px;
            right: 20px;
            line-height: 1;
        }

        .scene-icon {
            font-size: 28px;
            margin-bottom: 16px;
        }

        .scene-title {
            font-size: 18px;
            font-weight: 800;
            margin-bottom: 8px;
        }

        .scene-desc {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.75;
        }

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

        .step-item {
            background: var(--bg-panel-2);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: var(--radius-lg);
            padding: 24px;
            position: relative;
            transition: all 0.25s ease;
        }

        .step-item:hover {
            border-color: rgba(249, 115, 22, 0.35);
            transform: translateY(-4px);
        }

        .step-index {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--accent-orange);
            color: #0B101B;
            font-weight: 900;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
        }

        .step-title {
            font-size: 16px;
            font-weight: 800;
            margin-bottom: 6px;
        }

        .step-desc {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.7;
        }

        /* ===== Topic Cards ===== */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .topic-card {
            border-radius: var(--radius-lg);
            overflow: hidden;
            position: relative;
            aspect-ratio: 3 / 4;
            background: var(--bg-panel);
            border: 1px solid rgba(255, 255, 255, 0.06);
            display: block;
            transition: all 0.25s ease;
        }

        .topic-card:hover {
            border-color: rgba(249, 115, 22, 0.4);
            transform: translateY(-4px);
            box-shadow: var(--shadow-card);
        }

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

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

        .topic-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 30%, rgba(11, 16, 27, 0.92) 100%);
            display: flex;
            align-items: flex-end;
            padding: 20px;
        }

        .topic-name {
            font-weight: 800;
            font-size: 18px;
            color: var(--text-primary);
        }

        .topic-tag {
            display: inline-block;
            color: var(--accent-cyan);
            font-size: 12px;
            font-weight: 600;
            margin-top: 4px;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 840px;
        }

        .faq-item {
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .faq-item:first-child {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 4px;
            font-weight: 700;
            font-size: 16px;
            cursor: pointer;
            gap: 16px;
            width: 100%;
            text-align: left;
            background: transparent;
            transition: color 0.2s ease;
        }

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

        .faq-question .icon {
            color: var(--accent-orange);
            font-size: 20px;
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
            color: var(--text-secondary);
            line-height: 1.8;
            font-size: 15px;
        }

        .faq-answer-inner {
            padding: 0 4px 20px;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 72px 0 88px;
        }

        .cta-box {
            background:
                linear-gradient(130deg, rgba(249, 115, 22, 0.12) 0%, rgba(34, 211, 238, 0.06) 100%),
                var(--bg-panel);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 24px;
            padding: 48px;
            text-align: center;
        }

        .cta-box h2 {
            font-size: clamp(1.75rem, 3vw, 2.5rem);
            font-weight: 900;
            margin-bottom: 12px;
            line-height: 1.25;
        }

        .cta-box p {
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.8;
        }

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

        /* ===== Footer ===== */
        .footer-site {
            background: #0D1322;
            border-top: 3px solid var(--accent-orange);
            padding: 56px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.5fr;
            gap: 40px;
        }

        .footer-site h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-links a {
            color: var(--text-secondary);
            font-size: 14px;
            transition: color 0.2s ease;
        }

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

        .footer-copyright {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            margin-top: 40px;
            padding-top: 24px;
            text-align: center;
            font-size: 14px;
            color: var(--text-secondary);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1023px) {
            .sidebar {
                transform: translateX(-100%);
                transition: transform 0.3s ease;
            }

            .sidebar.open {
                transform: translateX(0);
            }

            .sidebar-overlay.show {
                display: block;
            }

            .sidebar-close {
                display: block;
            }

            .main-wrapper {
                margin-left: 0;
            }

            .mobile-header {
                display: flex;
            }

            .container-site {
                padding: 0 20px;
            }
        }

        @media (max-width: 767px) {
            .section {
                padding: 48px 0;
            }

            .hero {
                padding: 56px 0 40px;
            }

            .hero-actions {
                flex-direction: column;
                align-items: flex-start;
            }

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

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

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

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

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

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

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .cta-box {
                padding: 32px 20px;
            }
        }

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

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

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

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