/* roulang page: index */
:root {
            --primary: #6C3FFF;
            --primary-dark: #5228CC;
            --primary-light: #8F6BFF;
            --accent: #FF6B35;
            --accent-light: #FF8F5E;
            --bg-dark: #0D0B1A;
            --bg-card: #16132B;
            --bg-card-hover: #1E1A3A;
            --bg-section: #0F0D20;
            --bg-light: #F8F7FF;
            --text-white: #FFFFFF;
            --text-light: #E8E6F0;
            --text-muted: #9A95B0;
            --text-dark: #1A1730;
            --border-dark: #2A2548;
            --border-light: #E0DCF0;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-card: 0 8px 32px rgba(108, 63, 255, 0.12);
            --shadow-card-hover: 0 16px 48px rgba(108, 63, 255, 0.22);
            --shadow-hero: 0 20px 60px rgba(0, 0, 0, 0.4);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 32px;
            --spacing-lg: 64px;
            --spacing-xl: 100px;
        }

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

        html { scroll-behavior: smooth; }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-dark);
            color: var(--text-light);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

        a { color: var(--primary-light); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--accent); text-decoration: none; }
        img { max-width: 100%; height: auto; display: block; }
        button, input, select, textarea { font-family: inherit; }

        .container { max-width: 1240px; margin: 0 auto; padding: 0 24px; }

        /* ===== Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: rgba(13, 11, 26, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(42, 37, 72, 0.5);
            transition: var(--transition);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }
        .logo {
            font-size: 22px;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
        }
        .logo:hover { color: var(--primary-light); }
        .logo i { color: var(--primary-light); font-size: 26px; }
        .logo span { background: linear-gradient(135deg, var(--primary-light), var(--accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
        }
        .nav-menu .nav-item { position: relative; }
        .nav-menu .nav-link {
            display: block;
            padding: 8px 20px;
            color: var(--text-muted);
            font-size: 15px;
            font-weight: 500;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            text-decoration: none;
        }
        .nav-menu .nav-link:hover,
        .nav-menu .nav-link:focus-visible {
            color: var(--text-white);
            background: rgba(108, 63, 255, 0.15);
        }
        .nav-menu .nav-link.active {
            color: var(--text-white);
            background: rgba(108, 63, 255, 0.2);
            font-weight: 600;
        }
        .nav-menu .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 3px;
            background: var(--primary-light);
            border-radius: 2px;
        }
        .nav-cta {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: var(--text-white) !important;
            padding: 10px 28px !important;
            border-radius: 50px !important;
            font-weight: 600;
            font-size: 14px;
            box-shadow: 0 4px 20px rgba(108, 63, 255, 0.3);
            margin-left: 8px;
        }
        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(108, 63, 255, 0.45);
            background: linear-gradient(135deg, var(--primary-light), var(--primary)) !important;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-white);
            font-size: 26px;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 6px;
            transition: var(--transition);
        }
        .nav-toggle:hover { background: rgba(108, 63, 255, 0.15); }

        /* ===== Hero Split ===== */
        .hero-section {
            padding-top: 72px;
            min-height: 100vh;
            display: flex;
            align-items: center;
            background: linear-gradient(160deg, #0D0B1A 0%, #16132B 40%, #1A1730 100%);
            position: relative;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(108, 63, 255, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -20%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255, 107, 53, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
            padding: 60px 0 80px;
            position: relative;
            z-index: 2;
        }
        .hero-content { position: relative; }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(108, 63, 255, 0.15);
            border: 1px solid rgba(108, 63, 255, 0.25);
            padding: 6px 18px;
            border-radius: 50px;
            font-size: 13px;
            color: var(--primary-light);
            font-weight: 500;
            margin-bottom: 24px;
        }
        .hero-badge i { font-size: 12px; }
        .hero-title {
            font-size: clamp(36px, 5vw, 60px);
            font-weight: 800;
            line-height: 1.12;
            color: var(--text-white);
            letter-spacing: -1px;
            margin-bottom: 20px;
        }
        .hero-title .highlight {
            background: linear-gradient(135deg, var(--primary-light), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-desc {
            font-size: 18px;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 520px;
            margin-bottom: 36px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }
        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: var(--text-white);
            padding: 14px 36px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 16px;
            border: none;
            box-shadow: 0 8px 32px rgba(108, 63, 255, 0.3);
            transition: var(--transition);
            cursor: pointer;
            text-decoration: none;
        }
        .btn-primary-custom:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(108, 63, 255, 0.45);
            color: var(--text-white);
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
        }
        .btn-outline-custom {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: var(--text-light);
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 16px;
            border: 2px solid var(--border-dark);
            background: transparent;
            transition: var(--transition);
            cursor: pointer;
            text-decoration: none;
        }
        .btn-outline-custom:hover {
            border-color: var(--primary-light);
            color: var(--primary-light);
            background: rgba(108, 63, 255, 0.08);
            transform: translateY(-2px);
        }
        .hero-stats {
            display: flex;
            gap: 40px;
            margin-top: 48px;
            padding-top: 32px;
            border-top: 1px solid rgba(42, 37, 72, 0.5);
        }
        .hero-stat h3 {
            font-size: 28px;
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.2;
        }
        .hero-stat h3 .num-suffix { font-size: 18px; color: var(--primary-light); }
        .hero-stat p {
            font-size: 14px;
            color: var(--text-muted);
            margin: 2px 0 0;
        }

        .hero-visual {
            display: flex;
            justify-content: center;
            align-items: center;
            position: relative;
        }
        .hero-visual-inner {
            width: 100%;
            max-width: 540px;
            aspect-ratio: 4/3;
            background: linear-gradient(145deg, rgba(108, 63, 255, 0.08), rgba(255, 107, 53, 0.05));
            border-radius: var(--radius-xl);
            border: 1px solid rgba(42, 37, 72, 0.6);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            padding: 40px;
            position: relative;
            overflow: hidden;
        }
        .hero-visual-inner .glow {
            position: absolute;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(108, 63, 255, 0.2), transparent 70%);
            border-radius: 50%;
            top: -40px;
            right: -40px;
            animation: pulseGlow 4s ease-in-out infinite;
        }
        @keyframes pulseGlow {
            0%, 100% { opacity: 0.5; transform: scale(1); }
            50% { opacity: 1; transform: scale(1.2); }
        }
        .hero-visual-grid {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 16px;
            width: 100%;
            position: relative;
            z-index: 2;
        }
        .hero-visual-card {
            background: rgba(22, 19, 43, 0.8);
            border: 1px solid rgba(42, 37, 72, 0.5);
            border-radius: var(--radius-md);
            padding: 20px 16px;
            text-align: center;
            transition: var(--transition);
            backdrop-filter: blur(8px);
        }
        .hero-visual-card:hover {
            border-color: var(--primary);
            transform: translateY(-4px);
            box-shadow: 0 8px 24px rgba(108, 63, 255, 0.15);
        }
        .hero-visual-card i {
            font-size: 32px;
            color: var(--primary-light);
            margin-bottom: 10px;
        }
        .hero-visual-card h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-white);
            margin: 0 0 4px;
        }
        .hero-visual-card p {
            font-size: 12px;
            color: var(--text-muted);
            margin: 0;
        }

        /* ===== Section Common ===== */
        .section-block {
            padding: var(--spacing-lg) 0;
        }
        .section-block.alt-bg {
            background: var(--bg-section);
        }
        .section-block.light-bg {
            background: var(--bg-light);
            color: var(--text-dark);
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header .subtitle {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary-light);
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 12px;
        }
        .section-header h2 {
            font-size: clamp(28px, 3.6vw, 42px);
            font-weight: 800;
            color: var(--text-white);
            margin: 0 0 16px;
            letter-spacing: -0.5px;
        }
        .light-bg .section-header h2 { color: var(--text-dark); }
        .section-header p {
            font-size: 17px;
            color: var(--text-muted);
            max-width: 620px;
            margin: 0 auto;
        }
        .light-bg .section-header p { color: #5A5670; }

        /* ===== Feature / Intro ===== */
        .intro-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .intro-card {
            background: var(--bg-card);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            padding: 36px 28px;
            transition: var(--transition);
            text-align: center;
        }
        .intro-card:hover {
            border-color: var(--primary);
            transform: translateY(-6px);
            box-shadow: var(--shadow-card-hover);
            background: var(--bg-card-hover);
        }
        .intro-card .icon {
            width: 60px;
            height: 60px;
            background: rgba(108, 63, 255, 0.12);
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 26px;
            color: var(--primary-light);
            transition: var(--transition);
        }
        .intro-card:hover .icon { background: rgba(108, 63, 255, 0.2); transform: scale(1.05); }
        .intro-card h3 { font-size: 20px; font-weight: 700; color: var(--text-white); margin-bottom: 12px; }
        .intro-card p { font-size: 15px; color: var(--text-muted); line-height: 1.7; margin: 0; }

        /* ===== Category Cards ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .category-card {
            position: relative;
            background: var(--bg-card);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-lg);
            padding: 40px 32px 32px;
            transition: var(--transition);
            overflow: hidden;
            text-decoration: none;
            display: block;
        }
        .category-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: 0;
            transition: var(--transition);
        }
        .category-card:hover::before { opacity: 1; }
        .category-card:hover {
            border-color: var(--primary);
            transform: translateY(-6px);
            box-shadow: var(--shadow-card-hover);
            background: var(--bg-card-hover);
        }
        .category-card .cat-icon {
            font-size: 38px;
            color: var(--primary-light);
            margin-bottom: 16px;
        }
        .category-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 10px;
        }
        .category-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0 0 20px;
        }
        .category-card .cat-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary-light);
        }
        .category-card .cat-tag i { font-size: 12px; transition: var(--transition); }
        .category-card:hover .cat-tag i { transform: translateX(4px); }

        /* ===== News / CMS List ===== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .news-card {
            background: var(--bg-card);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            border-color: rgba(108, 63, 255, 0.4);
            transform: translateY(-4px);
            box-shadow: var(--shadow-card);
            background: var(--bg-card-hover);
        }
        .news-card .meta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            margin-bottom: 12px;
        }
        .news-card .meta .cat {
            font-size: 12px;
            font-weight: 600;
            color: var(--primary-light);
            background: rgba(108, 63, 255, 0.12);
            padding: 2px 12px;
            border-radius: 50px;
        }
        .news-card .meta .date {
            font-size: 13px;
            color: var(--text-muted);
        }
        .news-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-white);
            line-height: 1.4;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0 0 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }
        .news-card .read-more {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary-light);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            align-self: flex-start;
        }
        .news-card .read-more i { font-size: 12px; transition: var(--transition); }
        .news-card:hover .read-more i { transform: translateX(4px); }

        /* ===== Hot Rankings ===== */
        .rank-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .rank-card {
            background: var(--bg-card);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 18px;
        }
        .rank-card:hover {
            border-color: rgba(108, 63, 255, 0.3);
            transform: translateY(-4px);
            box-shadow: var(--shadow-card);
        }
        .rank-number {
            font-size: 32px;
            font-weight: 800;
            color: rgba(108, 63, 255, 0.25);
            min-width: 40px;
            line-height: 1;
            transition: var(--transition);
        }
        .rank-card:nth-child(1) .rank-number { color: rgba(255, 107, 53, 0.4); }
        .rank-card:nth-child(2) .rank-number { color: rgba(255, 107, 53, 0.3); }
        .rank-card:nth-child(3) .rank-number { color: rgba(255, 107, 53, 0.2); }
        .rank-card:hover .rank-number { color: var(--primary-light) !important; }
        .rank-info { flex: 1; }
        .rank-info h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-white);
            margin: 0 0 4px;
        }
        .rank-info p {
            font-size: 13px;
            color: var(--text-muted);
            margin: 0;
        }
        .rank-badge {
            font-size: 12px;
            font-weight: 600;
            padding: 2px 12px;
            border-radius: 50px;
            background: rgba(108, 63, 255, 0.12);
            color: var(--primary-light);
        }

        /* ===== Flow / Steps ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: step;
        }
        .step-card {
            background: var(--bg-card);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            text-align: center;
            transition: var(--transition);
            position: relative;
        }
        .step-card:hover {
            border-color: var(--primary);
            transform: translateY(-6px);
            box-shadow: var(--shadow-card-hover);
        }
        .step-card::before {
            counter-increment: step;
            content: "0" counter(step);
            position: absolute;
            top: 16px;
            right: 20px;
            font-size: 40px;
            font-weight: 800;
            color: rgba(108, 63, 255, 0.08);
            line-height: 1;
        }
        .step-card .step-icon {
            width: 56px;
            height: 56px;
            background: rgba(108, 63, 255, 0.12);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 24px;
            color: var(--primary-light);
            transition: var(--transition);
        }
        .step-card:hover .step-icon { background: rgba(108, 63, 255, 0.2); transform: scale(1.05); }
        .step-card h4 { font-size: 18px; font-weight: 700; color: var(--text-white); margin-bottom: 8px; }
        .step-card p { font-size: 14px; color: var(--text-muted); margin: 0; line-height: 1.6; }

        /* ===== Stats ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
        }
        .stat-item {
            text-align: center;
            padding: 32px 16px;
            background: rgba(108, 63, 255, 0.04);
            border: 1px solid rgba(42, 37, 72, 0.4);
            border-radius: var(--radius-md);
            transition: var(--transition);
        }
        .stat-item:hover {
            border-color: rgba(108, 63, 255, 0.3);
            background: rgba(108, 63, 255, 0.08);
        }
        .stat-item .number {
            font-size: 40px;
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.2;
        }
        .stat-item .number .suffix { font-size: 20px; color: var(--primary-light); }
        .stat-item .label {
            font-size: 15px;
            color: var(--text-muted);
            margin-top: 8px;
        }

        /* ===== FAQ ===== */
        .faq-list { max-width: 800px; margin: 0 auto; }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            transition: var(--transition);
        }
        .faq-item:hover { border-color: rgba(108, 63, 255, 0.3); }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 24px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-white);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
        }
        .faq-question i {
            font-size: 14px;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .faq-question[aria-expanded="true"] i { transform: rotate(180deg); color: var(--primary-light); }
        .faq-answer {
            padding: 0 24px 20px;
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
            display: none;
        }
        .faq-answer.show { display: block; }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(160deg, #16132B, #1A1730);
            border-top: 1px solid var(--border-dark);
            border-bottom: 1px solid var(--border-dark);
        }
        .cta-box {
            text-align: center;
            padding: 60px 40px;
            max-width: 720px;
            margin: 0 auto;
        }
        .cta-box h2 {
            font-size: 34px;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 16px;
        }
        .cta-box p {
            font-size: 17px;
            color: var(--text-muted);
            margin-bottom: 32px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0A0818;
            border-top: 1px solid rgba(42, 37, 72, 0.4);
            padding: 48px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }
        .footer-brand .logo { font-size: 20px; margin-bottom: 12px; }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-col h5 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 16px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li { margin-bottom: 10px; }
        .footer-col ul li a {
            font-size: 14px;
            color: var(--text-muted);
            transition: var(--transition);
            text-decoration: none;
        }
        .footer-col ul li a:hover { color: var(--primary-light); padding-left: 4px; }
        .footer-bottom {
            border-top: 1px solid rgba(42, 37, 72, 0.3);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-bottom p {
            font-size: 13px;
            color: var(--text-muted);
            margin: 0;
        }
        .footer-bottom .legal-links {
            display: flex;
            gap: 20px;
        }
        .footer-bottom .legal-links a {
            font-size: 13px;
            color: var(--text-muted);
            text-decoration: none;
        }
        .footer-bottom .legal-links a:hover { color: var(--primary-light); }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .hero-row { grid-template-columns: 1fr; gap: 40px; padding: 40px 0 60px; }
            .hero-visual { order: -1; }
            .hero-visual-inner { max-width: 100%; }
            .hero-stats { justify-content: center; }
            .intro-grid { grid-template-columns: repeat(2, 1fr); }
            .category-grid { grid-template-columns: repeat(2, 1fr); }
            .steps-grid { grid-template-columns: repeat(2, 1fr); }
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }

        @media (max-width: 768px) {
            .site-header .container { height: 64px; }
            .nav-menu {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: rgba(13, 11, 26, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 16px 24px;
                gap: 4px;
                border-bottom: 1px solid var(--border-dark);
                transform: translateY(-110%);
                opacity: 0;
                transition: var(--transition);
                pointer-events: none;
                max-height: calc(100vh - 64px);
                overflow-y: auto;
            }
            .nav-menu.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: all;
            }
            .nav-menu .nav-link { padding: 12px 16px; width: 100%; }
            .nav-menu .nav-link.active::after { display: none; }
            .nav-cta { margin-left: 0; text-align: center; }
            .nav-toggle { display: block; }

            .hero-title { font-size: 32px; }
            .hero-desc { font-size: 16px; }
            .hero-stats { gap: 24px; flex-wrap: wrap; }
            .hero-stat h3 { font-size: 24px; }
            .hero-visual-grid { grid-template-columns: 1fr 1fr; }

            .intro-grid { grid-template-columns: 1fr; }
            .category-grid { grid-template-columns: 1fr; }
            .news-grid { grid-template-columns: 1fr; }
            .rank-grid { grid-template-columns: 1fr; }
            .steps-grid { grid-template-columns: 1fr; }
            .stats-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; }

            .section-block { padding: 48px 0; }
            .section-header { margin-bottom: 32px; }
            .cta-box { padding: 40px 20px; }
            .cta-box h2 { font-size: 26px; }
        }

        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .hero-visual-grid { grid-template-columns: 1fr; }
            .hero-actions { flex-direction: column; align-items: stretch; }
            .btn-primary-custom, .btn-outline-custom { justify-content: center; }
            .hero-stats { flex-direction: column; gap: 16px; align-items: center; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .logo { font-size: 18px; }
        }

        /* ===== Utility ===== */
        .text-primary-light { color: var(--primary-light); }
        .text-accent { color: var(--accent); }
        .gap-sm { gap: 8px; }
        .gap-md { gap: 16px; }
        .mt-2 { margin-top: 16px; }
        .mb-2 { margin-bottom: 16px; }
        .text-center { text-align: center; }

        /* Focus visible */
        :focus-visible {
            outline: 2px solid var(--primary-light);
            outline-offset: 2px;
        }

        .empty-news {
            text-align: center;
            padding: 40px 20px;
            color: var(--text-muted);
            font-size: 16px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px dashed var(--border-dark);
        }

/* roulang page: article */
/* ===== 设计变量 ===== */
        :root {
            --primary: #6366f1;
            --primary-dark: #4f46e5;
            --primary-light: #a5b4fc;
            --primary-bg: #eef2ff;
            --secondary: #f59e0b;
            --secondary-dark: #d97706;
            --accent: #ec4899;
            --accent-light: #fbcfe8;
            --dark: #0f172a;
            --dark-soft: #1e293b;
            --gray-900: #111827;
            --gray-800: #1f2937;
            --gray-700: #374151;
            --gray-600: #4b5563;
            --gray-500: #6b7280;
            --gray-400: #9ca3af;
            --gray-300: #d1d5db;
            --gray-200: #e5e7eb;
            --gray-100: #f3f4f6;
            --gray-50: #f9fafb;
            --white: #ffffff;
            --body-bg: #f8fafc;
            --text-primary: #0f172a;
            --text-secondary: #475569;
            --text-muted: #94a3b8;
            --border-color: #e2e8f0;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.12);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
        }

        /* ===== 基础重置 ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--body-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: var(--dark);
        }
        p {
            margin-bottom: 1rem;
            color: var(--text-secondary);
        }
        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        /* ===== 容器 ===== */
        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 15px;
            border: 2px solid transparent;
            transition: var(--transition);
            cursor: pointer;
            text-decoration: none;
            line-height: 1.4;
        }
        .btn-primary {
            background: var(--primary);
            color: var(--white);
            border-color: var(--primary);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: var(--white);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(99, 102, 241, 0.35);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(99, 102, 241, 0.25);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: var(--white);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(99, 102, 241, 0.25);
        }
        .btn-accent {
            background: var(--accent);
            color: var(--white);
            border-color: var(--accent);
        }
        .btn-accent:hover {
            background: #db2777;
            border-color: #db2777;
            color: var(--white);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(236, 72, 153, 0.35);
        }
        .btn-lg {
            padding: 14px 36px;
            font-size: 17px;
            border-radius: var(--radius-md);
        }
        .btn-sm {
            padding: 6px 16px;
            font-size: 13px;
            border-radius: 4px;
        }

        /* ===== 标签 / 徽章 ===== */
        .badge-tag {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            background: var(--primary-bg);
            color: var(--primary);
            transition: var(--transition);
        }
        .badge-tag:hover {
            background: var(--primary);
            color: var(--white);
        }
        .badge-category {
            display: inline-block;
            padding: 3px 12px;
            border-radius: 4px;
            font-size: 12px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            background: var(--secondary);
            color: var(--white);
        }
        .badge-hot {
            background: #ef4444;
            color: var(--white);
            padding: 2px 10px;
            border-radius: 4px;
            font-size: 12px;
            font-weight: 700;
        }
        .badge-new {
            background: #10b981;
            color: var(--white);
            padding: 2px 10px;
            border-radius: 4px;
            font-size: 12px;
            font-weight: 700;
        }

        /* ===== 分隔线 ===== */
        .section-divider {
            width: 60px;
            height: 4px;
            background: var(--primary);
            border-radius: 4px;
            margin: 16px 0 24px;
        }
        .section-divider.center {
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== 导航 ===== */
        .site-header {
            background: var(--white);
            border-bottom: 1px solid var(--border-color);
            padding: 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow-sm);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: var(--dark);
            text-decoration: none;
            transition: var(--transition);
        }
        .logo i {
            font-size: 26px;
            color: var(--primary);
            transition: var(--transition);
        }
        .logo:hover {
            color: var(--primary);
        }
        .logo:hover i {
            transform: scale(1.1) rotate(-5deg);
        }
        .logo span {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .nav-item {
            position: relative;
        }
        .nav-link {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: var(--transition);
            text-decoration: none;
        }
        .nav-link:hover {
            color: var(--primary);
            background: var(--primary-bg);
        }
        .nav-link.active {
            color: var(--primary);
            background: var(--primary-bg);
            font-weight: 600;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary);
            border-radius: 4px;
        }
        .nav-cta {
            background: var(--primary);
            color: var(--white) !important;
            padding: 8px 22px;
            border-radius: var(--radius-sm);
            font-weight: 600;
        }
        .nav-cta:hover {
            background: var(--primary-dark) !important;
            color: var(--white) !important;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(99, 102, 241, 0.35);
        }
        .nav-cta i {
            font-size: 14px;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 26px;
            color: var(--dark);
            cursor: pointer;
            padding: 4px 8px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .nav-toggle:hover {
            background: var(--gray-100);
        }

        /* ===== 文章页专用 ===== */
        .article-hero {
            background: linear-gradient(135deg, var(--dark-soft), var(--dark));
            padding: 60px 0 50px;
            position: relative;
            overflow: hidden;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(99, 102, 241, 0.15), transparent 70%);
            pointer-events: none;
        }
        .article-hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(236, 72, 153, 0.10), transparent 70%);
            pointer-events: none;
        }
        .article-hero .container {
            position: relative;
            z-index: 2;
        }
        .article-hero .breadcrumb {
            background: transparent;
            padding: 0;
            margin-bottom: 20px;
        }
        .article-hero .breadcrumb-item a {
            color: var(--gray-400);
            font-size: 14px;
        }
        .article-hero .breadcrumb-item a:hover {
            color: var(--primary-light);
        }
        .article-hero .breadcrumb-item+.breadcrumb-item::before {
            color: var(--gray-500);
        }
        .article-hero .breadcrumb-item.active {
            color: var(--gray-300);
        }
        .article-hero h1 {
            font-size: 36px;
            font-weight: 800;
            color: var(--white);
            max-width: 900px;
            line-height: 1.25;
            margin-bottom: 20px;
        }
        .article-hero .meta-line {
            display: flex;
            flex-wrap: wrap;
            gap: 16px 30px;
            align-items: center;
            color: var(--gray-400);
            font-size: 14px;
        }
        .article-hero .meta-line i {
            margin-right: 6px;
            color: var(--primary-light);
        }
        .article-hero .meta-line .badge-category {
            font-size: 12px;
            padding: 4px 14px;
        }

        /* ===== 正文区 ===== */
        .article-main {
            padding: 50px 0 70px;
        }
        .article-body {
            background: var(--white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: 48px 56px;
            font-size: 16px;
            line-height: 1.9;
            color: var(--text-primary);
        }
        .article-body h2 {
            font-size: 26px;
            margin-top: 40px;
            margin-bottom: 16px;
            padding-bottom: 8px;
            border-bottom: 2px solid var(--primary-bg);
        }
        .article-body h3 {
            font-size: 21px;
            margin-top: 32px;
            margin-bottom: 12px;
        }
        .article-body p {
            margin-bottom: 18px;
            color: var(--text-secondary);
        }
        .article-body ul,
        .article-body ol {
            margin-bottom: 18px;
            padding-left: 24px;
            color: var(--text-secondary);
        }
        .article-body li {
            margin-bottom: 8px;
        }
        .article-body blockquote {
            border-left: 4px solid var(--primary);
            background: var(--primary-bg);
            padding: 16px 24px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 24px 0;
            font-style: italic;
            color: var(--gray-700);
        }
        .article-body img {
            border-radius: var(--radius-md);
            margin: 24px auto;
            box-shadow: var(--shadow-sm);
        }
        .article-body a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 2px;
        }
        .article-body a:hover {
            color: var(--primary-dark);
        }
        .article-body .table-wrap {
            overflow-x: auto;
            margin: 24px 0;
        }
        .article-body table {
            width: 100%;
            border-collapse: collapse;
            font-size: 15px;
        }
        .article-body th,
        .article-body td {
            border: 1px solid var(--border-color);
            padding: 12px 16px;
            text-align: left;
        }
        .article-body th {
            background: var(--gray-100);
            font-weight: 600;
        }

        /* ===== 文章侧边栏 / 相关推荐 ===== */
        .related-section {
            background: var(--white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 32px;
            margin-top: 40px;
        }
        .related-section h4 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .related-section h4 i {
            color: var(--primary);
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 20px;
        }
        .related-card {
            display: flex;
            flex-direction: column;
            background: var(--gray-50);
            border-radius: var(--radius-md);
            padding: 20px;
            transition: var(--transition);
            border: 1px solid var(--border-color);
            text-decoration: none;
        }
        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary-light);
        }
        .related-card .rc-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--dark);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .related-card .rc-meta {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: auto;
        }

        /* ===== 错误状态 ===== */
        .not-found-block {
            text-align: center;
            padding: 80px 20px;
        }
        .not-found-block i {
            font-size: 64px;
            color: var(--gray-300);
            margin-bottom: 24px;
        }
        .not-found-block h2 {
            font-size: 28px;
            color: var(--dark);
            margin-bottom: 12px;
        }
        .not-found-block p {
            color: var(--text-muted);
            font-size: 17px;
            max-width: 500px;
            margin: 0 auto 28px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--dark);
            color: var(--gray-300);
            padding: 60px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 40px;
        }
        .footer-brand .logo {
            color: var(--white);
            margin-bottom: 16px;
        }
        .footer-brand .logo i {
            color: var(--primary-light);
        }
        .footer-brand .logo span {
            background: linear-gradient(135deg, var(--primary-light), var(--accent-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .footer-brand p {
            color: var(--gray-400);
            font-size: 14px;
            line-height: 1.7;
            max-width: 360px;
        }
        .footer-col h5 {
            color: var(--white);
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-col h5::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 30px;
            height: 3px;
            background: var(--primary);
            border-radius: 4px;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: var(--gray-400);
            font-size: 14px;
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 24px 0;
            margin-top: 48px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
        }
        .footer-bottom p {
            margin: 0;
            font-size: 14px;
            color: var(--gray-500);
        }
        .legal-links {
            display: flex;
            gap: 20px;
        }
        .legal-links a {
            color: var(--gray-500);
            font-size: 14px;
            transition: var(--transition);
        }
        .legal-links a:hover {
            color: var(--primary-light);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px 40px;
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background: var(--white);
                flex-direction: column;
                padding: 16px 20px;
                box-shadow: var(--shadow-lg);
                border-bottom: 2px solid var(--border-color);
                gap: 2px;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-link {
                padding: 12px 16px;
                width: 100%;
                border-radius: var(--radius-sm);
            }
            .nav-link.active::after {
                display: none;
            }
            .nav-link.active {
                background: var(--primary-bg);
            }
            .nav-toggle {
                display: block;
            }
            .article-hero h1 {
                font-size: 26px;
            }
            .article-hero {
                padding: 40px 0 36px;
            }
            .article-body {
                padding: 28px 24px;
                border-radius: var(--radius-md);
            }
            .article-body h2 {
                font-size: 22px;
            }
            .article-body h3 {
                font-size: 18px;
            }
            .related-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .site-header .container {
                height: 60px;
                padding-left: 16px;
                padding-right: 16px;
            }
            .logo {
                font-size: 18px;
            }
            .logo i {
                font-size: 20px;
            }
            .article-hero h1 {
                font-size: 22px;
            }
            .article-hero .meta-line {
                flex-direction: column;
                gap: 8px;
                font-size: 13px;
            }
            .article-body {
                padding: 20px 16px;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .article-main {
                padding: 30px 0 50px;
            }
            .site-footer {
                padding: 40px 0 0;
            }
        }

        /* ===== 实用辅助 ===== */
        .text-gradient {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .text-center {
            text-align: center;
        }
        .mt-1 {
            margin-top: 8px;
        }
        .mt-2 {
            margin-top: 16px;
        }
        .mt-3 {
            margin-top: 24px;
        }
        .mt-4 {
            margin-top: 32px;
        }
        .mb-1 {
            margin-bottom: 8px;
        }
        .mb-2 {
            margin-bottom: 16px;
        }
        .mb-3 {
            margin-bottom: 24px;
        }
        .gap-1 {
            gap: 8px;
        }
        .gap-2 {
            gap: 16px;
        }
        .flex-wrap {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #6c3cf1;
            --primary-dark: #5228c9;
            --primary-light: #8b6cf7;
            --primary-gradient: linear-gradient(135deg, #6c3cf1 0%, #a855f7 100%);
            --secondary: #f59e0b;
            --secondary-light: #fbbf24;
            --accent: #06b6d4;
            --bg-body: #0f0f1a;
            --bg-card: #1a1a2e;
            --bg-card-hover: #222240;
            --bg-section-alt: #16162a;
            --bg-dark: #0a0a14;
            --text-primary: #f1f1f9;
            --text-secondary: #b8b8d0;
            --text-muted: #7a7a9a;
            --border-color: #2d2d4a;
            --border-light: #3d3d5c;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 30px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
            --shadow-md: 0 6px 24px rgba(0,0,0,0.35);
            --shadow-lg: 0 12px 48px rgba(0,0,0,0.45);
            --shadow-glow: 0 0 30px rgba(108,60,241,0.25);
            --transition: 0.25s cubic-bezier(0.4,0,0.2,1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --container-max: 1200px;
        }

        /* ===== 基础 Reset ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font-sans);
            background-color: var(--bg-body);
            color: var(--text-primary);
            line-height: 1.7;
            font-size: 16px;
        }
        a { color: var(--primary-light); text-decoration: none; transition: var(--transition); }
        a:hover { color: #c4b0ff; text-decoration: none; }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
        button, input, textarea, select { font-family: inherit; font-size: inherit; }
        ul { list-style: none; padding: 0; margin: 0; }

        /* ===== 容器 ===== */
        .container { max-width: var(--container-max); width: 100%; padding-left: 20px; padding-right: 20px; margin: 0 auto; }
        @media (min-width: 1200px) { .container { padding-left: 24px; padding-right: 24px; } }

        /* ===== 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(15, 15, 26, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-color);
            padding: 0 0;
            height: 68px;
            display: flex;
            align-items: center;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .site-header .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: -0.3px;
        }
        .site-header .logo i {
            font-size: 1.8rem;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .site-header .logo span { background: var(--primary-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .site-header .logo:hover { opacity: 0.9; }

        .nav-menu { display: flex; align-items: center; gap: 6px; }
        .nav-item { margin: 0; }
        .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: var(--transition);
            position: relative;
        }
        .nav-link:hover { color: #fff; background: rgba(108,60,241,0.12); }
        .nav-link.active {
            color: #fff;
            background: rgba(108,60,241,0.2);
            box-shadow: inset 0 0 0 1px rgba(108,60,241,0.25);
        }
        .nav-link.nav-cta {
            background: var(--primary-gradient);
            color: #fff;
            font-weight: 600;
            padding: 8px 22px;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
        }
        .nav-link.nav-cta:hover { transform: translateY(-2px); box-shadow: var(--shadow-glow); background: linear-gradient(135deg, #7c4cf1 0%, #b865f7 100%); }

        .nav-toggle { display: none; background: none; border: none; color: #fff; font-size: 1.6rem; cursor: pointer; padding: 4px 8px; border-radius: var(--radius-sm); transition: var(--transition); }
        .nav-toggle:hover { background: rgba(255,255,255,0.06); }

        @media (max-width: 992px) {
            .nav-toggle { display: block; }
            .nav-menu {
                position: fixed;
                top: 68px;
                left: 0;
                right: 0;
                background: rgba(15,15,26,0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 20px 24px 30px;
                gap: 6px;
                border-bottom: 1px solid var(--border-color);
                transform: translateY(-110%);
                opacity: 0;
                pointer-events: none;
                transition: var(--transition);
                box-shadow: var(--shadow-lg);
                max-height: 70vh;
                overflow-y: auto;
            }
            .nav-menu.open { transform: translateY(0); opacity: 1; pointer-events: all; }
            .nav-link { width: 100%; padding: 12px 18px; font-size: 1rem; }
            .nav-link.nav-cta { margin-top: 8px; text-align: center; justify-content: center; }
        }

        /* ===== 页面标题区 ===== */
        .page-hero {
            padding: 70px 0 60px;
            background: var(--bg-dark);
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--border-color);
        }
        .page-hero::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(108,60,241,0.12) 0%, transparent 70%);
            pointer-events: none;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(6,182,212,0.08) 0%, transparent 70%);
            pointer-events: none;
        }
        .page-hero .container { position: relative; z-index: 2; }
        .page-hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .page-hero p {
            font-size: 1.15rem;
            color: var(--text-secondary);
            max-width: 680px;
            margin-bottom: 24px;
        }
        .page-hero .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            margin-top: 12px;
        }
        .page-hero .hero-stats .stat-item { display: flex; align-items: center; gap: 10px; color: var(--text-secondary); font-size: 0.95rem; }
        .page-hero .hero-stats .stat-item i { color: var(--primary-light); font-size: 1.2rem; }
        .page-hero .hero-stats .stat-item strong { color: #fff; font-weight: 700; }

        @media (max-width: 768px) {
            .page-hero { padding: 50px 0 40px; }
            .page-hero h1 { font-size: 2rem; }
            .page-hero p { font-size: 1rem; }
            .page-hero .hero-stats { gap: 20px; flex-wrap: wrap; }
        }

        /* ===== 板块通用 ===== */
        .section { padding: 70px 0; }
        .section-alt { background: var(--bg-section-alt); }
        .section-dark { background: var(--bg-dark); }
        .section-header { text-align: center; margin-bottom: 48px; }
        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            letter-spacing: -0.3px;
            margin-bottom: 12px;
        }
        .section-header h2 i { color: var(--primary-light); margin-right: 8px; }
        .section-header p { color: var(--text-secondary); font-size: 1.05rem; max-width: 600px; margin: 0 auto; }

        @media (max-width: 768px) {
            .section { padding: 50px 0; }
            .section-header { margin-bottom: 32px; }
            .section-header h2 { font-size: 1.6rem; }
        }

        /* ===== 标签筛选 ===== */
        .filter-tags {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
            margin-bottom: 40px;
        }
        .filter-tag {
            display: inline-block;
            padding: 8px 22px;
            border-radius: var(--radius-xl);
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-secondary);
            background: rgba(255,255,255,0.04);
            border: 1px solid var(--border-color);
            cursor: pointer;
            transition: var(--transition);
            user-select: none;
        }
        .filter-tag:hover { border-color: var(--primary); color: #fff; background: rgba(108,60,241,0.1); }
        .filter-tag.active { background: var(--primary-gradient); color: #fff; border-color: transparent; box-shadow: var(--shadow-sm); }

        /* ===== 攻略卡片 ===== */
        .guide-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
        @media (max-width: 992px) { .guide-grid { grid-template-columns: repeat(2, 1fr); } }
        @media (max-width: 600px) { .guide-grid { grid-template-columns: 1fr; } }

        .guide-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .guide-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: var(--border-light); background: var(--bg-card-hover); }
        .guide-card .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: 0;
            display: block;
        }
        .guide-card .card-body { padding: 20px 22px 22px; flex: 1; display: flex; flex-direction: column; }
        .guide-card .card-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 10px; }
        .guide-card .card-tags .badge-tag {
            display: inline-block;
            padding: 3px 12px;
            border-radius: var(--radius-xl);
            font-size: 0.7rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            text-transform: uppercase;
            background: rgba(108,60,241,0.15);
            color: var(--primary-light);
            border: 1px solid rgba(108,60,241,0.2);
        }
        .guide-card .card-tags .badge-tag.hot { background: rgba(245,158,11,0.15); color: var(--secondary); border-color: rgba(245,158,11,0.25); }
        .guide-card .card-tags .badge-tag.new { background: rgba(6,182,212,0.15); color: var(--accent); border-color: rgba(6,182,212,0.25); }
        .guide-card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 8px; line-height: 1.4; }
        .guide-card h3 a { color: #fff; }
        .guide-card h3 a:hover { color: var(--primary-light); }
        .guide-card .card-desc { color: var(--text-secondary); font-size: 0.9rem; line-height: 1.6; margin-bottom: 16px; flex: 1; }
        .guide-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.8rem;
            color: var(--text-muted);
            border-top: 1px solid rgba(255,255,255,0.04);
            padding-top: 14px;
            margin-top: auto;
        }
        .guide-card .card-meta .meta-left { display: flex; align-items: center; gap: 12px; }
        .guide-card .card-meta i { margin-right: 4px; }
        .guide-card .card-meta .read-more { color: var(--primary-light); font-weight: 600; font-size: 0.85rem; }
        .guide-card .card-meta .read-more:hover { color: #fff; }

        /* ===== 热门排行侧边风格 ===== */
        .rank-list { display: flex; flex-direction: column; gap: 14px; }
        .rank-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            cursor: default;
        }
        .rank-item:hover { background: var(--bg-card-hover); border-color: var(--border-light); transform: translateX(4px); }
        .rank-num {
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            font-weight: 800;
            font-size: 0.85rem;
            background: rgba(255,255,255,0.04);
            color: var(--text-muted);
            flex-shrink: 0;
        }
        .rank-item:nth-child(1) .rank-num { background: var(--primary-gradient); color: #fff; box-shadow: 0 0 16px rgba(108,60,241,0.3); }
        .rank-item:nth-child(2) .rank-num { background: linear-gradient(135deg, #7c4cf1, #a855f7); color: #fff; }
        .rank-item:nth-child(3) .rank-num { background: linear-gradient(135deg, #5a2cd1, #8b6cf7); color: #fff; }
        .rank-item .rank-info { flex: 1; min-width: 0; }
        .rank-item .rank-info h4 { font-size: 0.95rem; font-weight: 600; margin-bottom: 2px; color: #fff; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
        .rank-item .rank-info p { font-size: 0.8rem; color: var(--text-muted); margin: 0; }
        .rank-item .rank-stats { font-size: 0.8rem; color: var(--secondary); font-weight: 600; white-space: nowrap; }

        /* ===== 专题横向滚动 ===== */
        .topic-scroll {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            padding-bottom: 12px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
        }
        .topic-scroll::-webkit-scrollbar { height: 6px; }
        .topic-scroll::-webkit-scrollbar-track { background: rgba(255,255,255,0.03); border-radius: 10px; }
        .topic-scroll::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 10px; }
        .topic-card {
            flex: 0 0 280px;
            scroll-snap-align: start;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            padding: 24px 22px;
            transition: var(--transition);
        }
        .topic-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--border-light); }
        .topic-card .topic-icon { font-size: 2.2rem; margin-bottom: 14px; color: var(--primary-light); }
        .topic-card h4 { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; color: #fff; }
        .topic-card p { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.6; margin-bottom: 14px; }
        .topic-card .topic-count { font-size: 0.8rem; color: var(--text-muted); }

        /* ===== 更新动态 ===== */
        .update-timeline { position: relative; padding-left: 32px; }
        .update-timeline::before {
            content: '';
            position: absolute;
            left: 10px;
            top: 6px;
            bottom: 6px;
            width: 2px;
            background: linear-gradient(to bottom, var(--primary), var(--accent), transparent);
            border-radius: 4px;
        }
        .update-item {
            position: relative;
            margin-bottom: 28px;
            padding-left: 20px;
        }
        .update-item:last-child { margin-bottom: 0; }
        .update-item::before {
            content: '';
            position: absolute;
            left: -26px;
            top: 6px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--primary);
            border: 3px solid var(--bg-body);
            box-shadow: 0 0 0 2px var(--primary);
        }
        .update-item .update-date { font-size: 0.8rem; color: var(--text-muted); display: block; margin-bottom: 4px; }
        .update-item .update-title { font-size: 0.95rem; font-weight: 600; color: #fff; }
        .update-item .update-title a { color: #fff; }
        .update-item .update-title a:hover { color: var(--primary-light); }
        .update-item .update-desc { font-size: 0.85rem; color: var(--text-secondary); margin-top: 2px; }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--bg-dark);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
            text-align: center;
            padding: 70px 0;
        }
        .cta-section h2 { font-size: 2rem; font-weight: 700; margin-bottom: 12px; }
        .cta-section p { color: var(--text-secondary); font-size: 1.05rem; max-width: 560px; margin: 0 auto 28px; }
        .cta-section .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 40px;
            border-radius: var(--radius-xl);
            font-weight: 700;
            font-size: 1.05rem;
            background: var(--primary-gradient);
            color: #fff;
            border: none;
            box-shadow: var(--shadow-md);
            transition: var(--transition);
        }
        .cta-section .btn-cta:hover { transform: translateY(-4px); box-shadow: var(--shadow-glow); color: #fff; }

        /* ===== FAQ ===== */
        .faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; max-width: 900px; margin: 0 auto; }
        @media (max-width: 768px) { .faq-grid { grid-template-columns: 1fr; } }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 20px 22px;
            transition: var(--transition);
        }
        .faq-item:hover { border-color: var(--border-light); background: var(--bg-card-hover); }
        .faq-item .faq-q { font-weight: 700; font-size: 0.95rem; margin-bottom: 6px; color: #fff; display: flex; align-items: center; gap: 8px; }
        .faq-item .faq-q i { color: var(--primary-light); font-size: 1rem; }
        .faq-item .faq-a { font-size: 0.88rem; color: var(--text-secondary); line-height: 1.7; padding-left: 24px; }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark);
            border-top: 1px solid var(--border-color);
            padding: 60px 0 30px;
        }
        .footer-grid { display: grid; grid-template-columns: 1.8fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
        @media (max-width: 992px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; } }
        @media (max-width: 600px) { .footer-grid { grid-template-columns: 1fr; gap: 28px; } }
        .footer-brand .logo { display: inline-flex; align-items: center; gap: 10px; font-size: 1.4rem; font-weight: 700; color: #fff; margin-bottom: 14px; }
        .footer-brand .logo i { font-size: 1.7rem; background: var(--primary-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .footer-brand .logo span { background: var(--primary-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .footer-brand p { color: var(--text-secondary); font-size: 0.88rem; line-height: 1.7; max-width: 360px; }
        .footer-col h5 { color: #fff; font-size: 0.95rem; font-weight: 700; margin-bottom: 16px; letter-spacing: 0.3px; }
        .footer-col ul li { margin-bottom: 10px; }
        .footer-col ul li a { color: var(--text-secondary); font-size: 0.88rem; transition: var(--transition); }
        .footer-col ul li a:hover { color: var(--primary-light); padding-left: 4px; }
        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .footer-bottom .legal-links { display: flex; gap: 20px; }
        .footer-bottom .legal-links a { color: var(--text-muted); }
        .footer-bottom .legal-links a:hover { color: var(--primary-light); }

        @media (max-width: 600px) {
            .footer-bottom { flex-direction: column; text-align: center; }
            .footer-bottom .legal-links { justify-content: center; flex-wrap: wrap; gap: 14px; }
        }

        /* ===== 通用辅助 ===== */
        .mb-1 { margin-bottom: 8px; }
        .mb-2 { margin-bottom: 16px; }
        .mb-3 { margin-bottom: 24px; }
        .mb-4 { margin-bottom: 32px; }
        .mt-2 { margin-top: 16px; }
        .mt-3 { margin-top: 24px; }
        .mt-4 { margin-top: 32px; }
        .text-center { text-align: center; }
        .text-muted { color: var(--text-muted); }

        /* ===== Bootstrap 覆盖 ===== */
        .btn { border-radius: var(--radius-md); font-weight: 600; padding: 10px 24px; transition: var(--transition); }
        .btn-primary { background: var(--primary-gradient); border: none; color: #fff; }
        .btn-primary:hover { transform: translateY(-2px); box-shadow: var(--shadow-glow); background: linear-gradient(135deg, #7c4cf1, #b865f7); }

        /* ===== 响应式微调 ===== */
        @media (max-width: 576px) {
            .page-hero h1 { font-size: 1.7rem; }
            .section-header h2 { font-size: 1.4rem; }
            .guide-card .card-img { height: 160px; }
            .filter-tags { gap: 8px; }
            .filter-tag { font-size: 0.75rem; padding: 6px 16px; }
        }

/* roulang page: category2 */
:root {
            --primary: #6c3cf0;
            --primary-dark: #5429cc;
            --primary-light: #8b6cf7;
            --primary-gradient: linear-gradient(135deg, #6c3cf0 0%, #a855f7 100%);
            --secondary: #f59e0b;
            --secondary-light: #fbbf24;
            --accent: #06b6d4;
            --bg-dark: #0f0a1a;
            --bg-darker: #0a0612;
            --bg-card: #1a1428;
            --bg-card-hover: #221d35;
            --bg-section: #120e1e;
            --bg-section-alt: #1a1530;
            --text-primary: #f1f0f6;
            --text-secondary: #b8b0cc;
            --text-muted: #7a7299;
            --border-color: #2d2645;
            --border-light: #3d3560;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 30px rgba(108, 60, 240, 0.25);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', system-ui, -apple-system, sans-serif;
        }

        *,
        *::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: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
        }
        button {
            cursor: pointer;
            background: none;
        }
        ul {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
            color: var(--text-primary);
        }

        .container {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 导航栏 ===== */
        .site-header {
            background: rgba(15, 10, 26, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1050;
            padding: 0 0;
            height: 72px;
            display: flex;
            align-items: center;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .site-header .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 24px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.5px;
        }
        .site-header .logo i {
            font-size: 28px;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .site-header .logo span {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .site-header .logo:hover {
            opacity: 0.85;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 6px;
            margin: 0;
            padding: 0;
        }
        .nav-item {
            list-style: none;
        }
        .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
            position: relative;
            white-space: nowrap;
        }
        .nav-link:hover {
            color: var(--text-primary);
            background: rgba(108, 60, 240, 0.12);
        }
        .nav-link.active {
            color: var(--text-primary);
            background: rgba(108, 60, 240, 0.18);
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary-gradient);
            border-radius: 4px;
        }
        .nav-cta {
            background: var(--primary-gradient);
            color: #fff !important;
            border-radius: var(--radius-sm);
            padding: 8px 22px;
            font-weight: 600;
            box-shadow: 0 4px 16px rgba(108, 60, 240, 0.35);
        }
        .nav-cta:hover {
            background: linear-gradient(135deg, #7d4df5 0%, #b86aff 100%);
            box-shadow: 0 6px 24px rgba(108, 60, 240, 0.5);
            transform: translateY(-1px);
            color: #fff !important;
        }
        .nav-cta i {
            font-size: 14px;
        }
        .nav-toggle {
            display: none;
            font-size: 26px;
            color: var(--text-primary);
            padding: 8px;
            border-radius: 8px;
            transition: var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        /* ===== 下拉菜单（移动端） ===== */
        .nav-menu.open {
            display: flex;
            flex-direction: column;
            position: absolute;
            top: 72px;
            left: 0;
            right: 0;
            background: rgba(15, 10, 26, 0.98);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            padding: 16px 24px;
            gap: 4px;
            box-shadow: var(--shadow-lg);
        }
        .nav-menu.open .nav-link {
            width: 100%;
            justify-content: flex-start;
            padding: 12px 18px;
        }
        .nav-menu.open .nav-link.active::after {
            display: none;
        }
        .nav-menu.open .nav-link.active {
            background: rgba(108, 60, 240, 0.2);
            border-left: 3px solid var(--primary);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-darker);
            border-top: 1px solid var(--border-color);
            padding: 64px 0 32px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 16px;
        }
        .footer-brand .logo i {
            font-size: 26px;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .footer-brand .logo span {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .footer-brand p {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.8;
            max-width: 360px;
        }
        .footer-col h5 {
            color: var(--text-primary);
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
            padding: 0;
            margin: 0;
        }
        .footer-col li {
            list-style: none;
        }
        .footer-col a {
            color: var(--text-muted);
            font-size: 14px;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-bottom p {
            color: var(--text-muted);
            font-size: 13px;
            margin: 0;
        }
        .legal-links {
            display: flex;
            gap: 20px;
        }
        .legal-links a {
            color: var(--text-muted);
            font-size: 13px;
            transition: var(--transition);
        }
        .legal-links a:hover {
            color: var(--primary-light);
        }

        /* ===== 通用板块 ===== */
        .section-padding {
            padding: 72px 0;
        }
        .section-title {
            font-size: 36px;
            font-weight: 800;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .section-subtitle {
            color: var(--text-secondary);
            font-size: 18px;
            max-width: 640px;
            line-height: 1.6;
        }
        .section-header {
            margin-bottom: 40px;
        }
        .section-header.centered {
            text-align: center;
        }
        .section-header.centered .section-subtitle {
            margin: 0 auto;
        }

        .badge-tag {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            background: rgba(108, 60, 240, 0.18);
            color: var(--primary-light);
            border: 1px solid rgba(108, 60, 240, 0.25);
            letter-spacing: 0.3px;
        }
        .badge-hot {
            background: rgba(245, 158, 11, 0.18);
            color: var(--secondary);
            border-color: rgba(245, 158, 11, 0.3);
        }
        .badge-new {
            background: rgba(6, 182, 212, 0.18);
            color: var(--accent);
            border-color: rgba(6, 182, 212, 0.3);
        }

        .btn-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 15px;
            transition: var(--transition);
            border: none;
            background: var(--primary-gradient);
            color: #fff;
            box-shadow: 0 4px 16px rgba(108, 60, 240, 0.35);
        }
        .btn-custom:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(108, 60, 240, 0.5);
            color: #fff;
        }
        .btn-custom-outline {
            background: transparent;
            border: 2px solid var(--primary-light);
            color: var(--primary-light);
            box-shadow: none;
        }
        .btn-custom-outline:hover {
            background: rgba(108, 60, 240, 0.12);
            border-color: var(--primary-light);
            color: var(--primary-light);
            box-shadow: none;
        }
        .btn-custom-sm {
            padding: 8px 18px;
            font-size: 13px;
        }

        /* ===== 卡片通用 ===== */
        .card-custom {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }
        .card-custom:hover {
            border-color: var(--border-light);
            box-shadow: var(--shadow-glow);
            transform: translateY(-4px);
            background: var(--bg-card-hover);
        }
        .card-custom .card-body {
            padding: 24px;
        }
        .card-custom .card-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .card-custom .card-text {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.7;
        }

        /* ===== 榜单排行卡片 ===== */
        .rank-card {
            display: flex;
            align-items: center;
            gap: 20px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            transition: var(--transition);
            cursor: default;
        }
        .rank-card:hover {
            border-color: var(--border-light);
            box-shadow: var(--shadow-glow);
            transform: translateY(-2px);
            background: var(--bg-card-hover);
        }
        .rank-number {
            font-size: 32px;
            font-weight: 900;
            width: 48px;
            text-align: center;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            flex-shrink: 0;
        }
        .rank-number.top1 {
            font-size: 40px;
        }
        .rank-number.top2 {
            font-size: 36px;
        }
        .rank-number.top3 {
            font-size: 34px;
        }
        .rank-info {
            flex: 1;
            min-width: 0;
        }
        .rank-info h4 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .rank-info p {
            color: var(--text-muted);
            font-size: 13px;
            margin: 0;
        }
        .rank-stats {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-shrink: 0;
        }
        .rank-stats .stat {
            text-align: center;
        }
        .rank-stats .stat .num {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
        }
        .rank-stats .stat .label {
            font-size: 12px;
            color: var(--text-muted);
        }
        .rank-stats .trend-up {
            color: #10b981;
            font-size: 16px;
        }
        .rank-stats .trend-down {
            color: #ef4444;
            font-size: 16px;
        }

        /* ===== 分类筛选标签 ===== */
        .filter-tabs {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 32px;
        }
        .filter-tab {
            padding: 8px 22px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 500;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            color: var(--text-secondary);
            transition: var(--transition);
            cursor: pointer;
        }
        .filter-tab:hover {
            border-color: var(--primary-light);
            color: var(--text-primary);
        }
        .filter-tab.active {
            background: var(--primary-gradient);
            border-color: transparent;
            color: #fff;
            box-shadow: 0 4px 16px rgba(108, 60, 240, 0.35);
        }

        /* ===== 游戏热点网格 ===== */
        .hot-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .hot-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            text-align: center;
            transition: var(--transition);
        }
        .hot-item:hover {
            border-color: var(--border-light);
            box-shadow: var(--shadow-glow);
            transform: translateY(-4px);
        }
        .hot-item .icon {
            font-size: 40px;
            color: var(--primary-light);
            margin-bottom: 12px;
            display: block;
        }
        .hot-item h5 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .hot-item .count {
            color: var(--text-muted);
            font-size: 13px;
        }
        .hot-item .count strong {
            color: var(--secondary);
            font-weight: 700;
        }
        .hot-item .badge-tag {
            margin-top: 10px;
        }

        /* ===== 游戏资讯列表 ===== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .news-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 16px 20px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .news-item:hover {
            border-color: var(--border-light);
            background: var(--bg-card-hover);
        }
        .news-item .date {
            flex-shrink: 0;
            width: 56px;
            text-align: center;
            color: var(--text-muted);
            font-size: 13px;
            line-height: 1.3;
        }
        .news-item .date .day {
            font-size: 24px;
            font-weight: 800;
            color: var(--primary-light);
            display: block;
        }
        .news-item .content {
            flex: 1;
            min-width: 0;
        }
        .news-item .content h5 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 4px;
        }
        .news-item .content p {
            color: var(--text-muted);
            font-size: 13px;
            margin: 0;
        }
        .news-item .tag {
            flex-shrink: 0;
        }

        /* ===== FAQ ===== */
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 20px 24px;
            margin-bottom: 12px;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-light);
        }
        .faq-item .faq-q {
            font-size: 16px;
            font-weight: 600;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            color: var(--text-primary);
        }
        .faq-item .faq-q i {
            color: var(--primary-light);
            transition: var(--transition);
        }
        .faq-item .faq-a {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.7;
            padding-top: 12px;
            border-top: 1px solid var(--border-color);
            margin-top: 12px;
        }

        /* ===== CTA 区块 ===== */
        .cta-section {
            background: var(--primary-gradient);
            border-radius: var(--radius-lg);
            padding: 56px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle at 30% 40%, rgba(255, 255, 255, 0.06) 0%, transparent 60%);
            pointer-events: none;
        }
        .cta-section h2 {
            font-size: 34px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            position: relative;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 18px;
            max-width: 500px;
            margin: 0 auto 28px;
            position: relative;
        }
        .cta-section .btn-custom {
            background: #fff;
            color: var(--primary);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
        }
        .cta-section .btn-custom:hover {
            background: #f1f0f6;
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
        }

        /* ===== 面包屑 ===== */
        .breadcrumb-area {
            padding: 24px 0 0;
        }
        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }
        .breadcrumb-custom a {
            color: var(--text-muted);
        }
        .breadcrumb-custom a:hover {
            color: var(--primary-light);
        }
        .breadcrumb-custom .sep {
            color: var(--text-muted);
            font-size: 12px;
        }
        .breadcrumb-custom .current {
            color: var(--text-secondary);
            font-weight: 500;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .hot-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .section-title {
                font-size: 30px;
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
            }
            .nav-toggle {
                display: block;
            }
            .nav-menu.open {
                display: flex;
            }
            .site-header {
                height: 64px;
            }

            .hot-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .section-padding {
                padding: 48px 0;
            }
            .section-title {
                font-size: 26px;
            }
            .section-subtitle {
                font-size: 16px;
            }
            .cta-section {
                padding: 40px 24px;
            }
            .cta-section h2 {
                font-size: 26px;
            }
            .rank-card {
                flex-wrap: wrap;
                gap: 12px;
                padding: 16px 18px;
            }
            .rank-stats {
                gap: 12px;
                flex-wrap: wrap;
            }
            .rank-stats .stat .num {
                font-size: 15px;
            }
            .news-item {
                flex-wrap: wrap;
            }
            .news-item .date {
                width: 48px;
            }
            .news-item .date .day {
                font-size: 20px;
            }
            .filter-tabs {
                gap: 8px;
            }
            .filter-tab {
                padding: 6px 16px;
                font-size: 13px;
            }
            .breadcrumb-area {
                padding: 16px 0 0;
            }
        }

        @media (max-width: 520px) {
            .hot-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .hot-item {
                padding: 16px 12px;
            }
            .hot-item .icon {
                font-size: 28px;
            }
            .rank-number {
                font-size: 26px;
                width: 36px;
            }
            .rank-number.top1 {
                font-size: 32px;
            }
            .rank-number.top2 {
                font-size: 28px;
            }
            .rank-number.top3 {
                font-size: 26px;
            }
            .rank-stats .stat .num {
                font-size: 14px;
            }
            .rank-stats .stat .label {
                font-size: 10px;
            }
            .container {
                padding: 0 16px;
            }
            .section-title {
                font-size: 22px;
            }
            .cta-section h2 {
                font-size: 22px;
            }
            .cta-section p {
                font-size: 15px;
            }
            .footer-brand p {
                max-width: 100%;
            }
            .legal-links {
                gap: 12px;
                flex-wrap: wrap;
                justify-content: center;
            }
            .nav-link {
                font-size: 14px;
                padding: 6px 14px;
            }
            .nav-cta {
                padding: 6px 16px;
                font-size: 13px;
            }
        }

/* roulang page: category3 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #6c5ce7;
            --primary-dark: #5a4bd1;
            --primary-light: #a29bfe;
            --secondary: #fd79a8;
            --secondary-dark: #e84393;
            --accent: #00cec9;
            --bg-dark: #0f0e17;
            --bg-darker: #0a0a12;
            --bg-card: #1a1a2e;
            --bg-card-hover: #22223a;
            --bg-section: #12101e;
            --bg-section-alt: #1a1830;
            --text-primary: #f0f0f5;
            --text-secondary: #c0c0d0;
            --text-muted: #8888a0;
            --border-color: #2a2a4a;
            --border-light: #3a3a5a;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 16px 50px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 30px rgba(108, 92, 231, 0.15);
            --transition-fast: 0.2s ease;
            --transition-normal: 0.35s ease;
            --transition-slow: 0.5s ease;
            --font-sans: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --container-max: 1280px;
        }

        /* ===== 基础 Reset ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
        }
        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--bg-dark);
            overflow-x: hidden;
        }
        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: #fff;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        ul,
        ol {
            padding-left: 0;
            list-style: none;
            margin-bottom: 0;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin-top: 0;
            margin-bottom: 0.5rem;
            font-weight: 700;
            line-height: 1.3;
            color: #fff;
        }
        p {
            margin-top: 0;
            margin-bottom: 1rem;
            color: var(--text-secondary);
        }
        .container {
            max-width: var(--container-max);
            padding-left: 24px;
            padding-right: 24px;
            margin-left: auto;
            margin-right: auto;
        }
        @media (max-width: 576px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* ===== 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(15, 14, 23, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-color);
            padding: 0;
            height: 72px;
            display: flex;
            align-items: center;
            transition: background var(--transition-normal);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .site-header .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }
        .site-header .logo i {
            font-size: 1.8rem;
            color: var(--primary-light);
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .site-header .logo span {
            background: linear-gradient(135deg, #fff, var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .site-header nav {
            display: flex;
            align-items: center;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 6px;
            margin: 0;
            padding: 0;
        }
        .nav-item {
            position: relative;
        }
        .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            background: transparent;
            border: none;
        }
        .nav-link:hover {
            color: #fff;
            background: rgba(108, 92, 231, 0.12);
        }
        .nav-link.active {
            color: #fff;
            background: rgba(108, 92, 231, 0.2);
            box-shadow: inset 0 -2px 0 var(--primary-light);
        }
        .nav-link.nav-cta {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            padding: 8px 22px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            box-shadow: 0 4px 15px rgba(108, 92, 231, 0.3);
        }
        .nav-link.nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(108, 92, 231, 0.45);
            background: linear-gradient(135deg, var(--primary-dark), var(--secondary-dark));
        }
        .nav-toggle {
            display: none;
            background: transparent;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            padding: 4px 8px;
            cursor: pointer;
            transition: color var(--transition-fast);
        }
        .nav-toggle:hover {
            color: var(--primary-light);
        }

        @media (max-width: 992px) {
            .site-header {
                height: 64px;
            }
            .nav-menu {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: rgba(15, 14, 23, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 20px 24px;
                gap: 4px;
                border-bottom: 1px solid var(--border-color);
                transform: translateY(-110%);
                opacity: 0;
                visibility: hidden;
                transition: all var(--transition-normal);
                z-index: 1040;
                box-shadow: var(--shadow-lg);
                max-height: 80vh;
                overflow-y: auto;
            }
            .nav-menu.open {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
            }
            .nav-link {
                width: 100%;
                padding: 12px 16px;
                font-size: 1.05rem;
                border-radius: var(--radius-sm);
            }
            .nav-link.nav-cta {
                justify-content: center;
                margin-top: 8px;
            }
            .nav-toggle {
                display: block;
            }
        }
        @media (max-width: 576px) {
            .site-header .logo {
                font-size: 1.25rem;
            }
            .site-header .logo i {
                font-size: 1.4rem;
            }
            .nav-menu {
                padding: 16px;
                top: 64px;
            }
            .nav-link {
                padding: 10px 14px;
                font-size: 1rem;
            }
        }

        /* ===== Hero 分类横幅 ===== */
        .category-hero {
            background: linear-gradient(145deg, var(--bg-darker) 0%, var(--bg-section) 60%, #1a1030 100%);
            padding: 80px 0 60px;
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--border-color);
        }
        .category-hero::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(108, 92, 231, 0.08) 0%, transparent 70%);
            pointer-events: none;
            border-radius: 50%;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            bottom: -20%;
            left: -5%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(253, 121, 168, 0.06) 0%, transparent 70%);
            pointer-events: none;
            border-radius: 50%;
        }
        .category-hero .container {
            position: relative;
            z-index: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
        }
        .category-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(108, 92, 231, 0.15);
            border: 1px solid rgba(108, 92, 231, 0.25);
            padding: 6px 18px;
            border-radius: 50px;
            font-size: 0.85rem;
            color: var(--primary-light);
            margin-bottom: 20px;
            letter-spacing: 0.3px;
        }
        .category-hero .hero-badge i {
            font-size: 0.9rem;
        }
        .category-hero h1 {
            font-size: 3.2rem;
            font-weight: 900;
            background: linear-gradient(135deg, #fff 30%, var(--primary-light) 70%, var(--secondary) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 16px;
            max-width: 800px;
            line-height: 1.2;
            letter-spacing: -1px;
        }
        .category-hero p {
            font-size: 1.2rem;
            color: var(--text-secondary);
            max-width: 680px;
            margin-bottom: 0;
            line-height: 1.8;
        }
        .category-hero .hero-stats {
            display: flex;
            gap: 40px;
            margin-top: 36px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .category-hero .hero-stats .stat-item {
            text-align: center;
        }
        .category-hero .hero-stats .stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }
        .category-hero .hero-stats .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 2px;
        }

        @media (max-width: 768px) {
            .category-hero {
                padding: 60px 0 44px;
            }
            .category-hero h1 {
                font-size: 2.2rem;
            }
            .category-hero p {
                font-size: 1.05rem;
            }
            .category-hero .hero-stats {
                gap: 24px;
                margin-top: 28px;
            }
            .category-hero .hero-stats .stat-number {
                font-size: 1.6rem;
            }
        }
        @media (max-width: 576px) {
            .category-hero h1 {
                font-size: 1.8rem;
            }
            .category-hero p {
                font-size: 0.95rem;
            }
            .category-hero .hero-stats {
                gap: 16px;
            }
            .category-hero .hero-stats .stat-item {
                min-width: 80px;
            }
        }

        /* ===== 板块通用 ===== */
        .section-block {
            padding: 70px 0;
            background: var(--bg-section);
        }
        .section-block.alt-bg {
            background: var(--bg-section-alt);
        }
        .section-block .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-block .section-header h2 {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 12px;
            background: linear-gradient(135deg, #fff, var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .section-block .section-header p {
            font-size: 1.1rem;
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto;
        }
        .section-block .section-header .section-tag {
            display: inline-block;
            background: rgba(108, 92, 231, 0.12);
            border: 1px solid rgba(108, 92, 231, 0.2);
            padding: 4px 16px;
            border-radius: 50px;
            font-size: 0.8rem;
            color: var(--primary-light);
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        @media (max-width: 768px) {
            .section-block {
                padding: 48px 0;
            }
            .section-block .section-header h2 {
                font-size: 1.7rem;
            }
            .section-block .section-header p {
                font-size: 1rem;
            }
            .section-block .section-header {
                margin-bottom: 32px;
            }
        }

        /* ===== 卡片设计 ===== */
        .game-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-normal);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .game-card:hover {
            transform: translateY(-6px);
            border-color: rgba(108, 92, 231, 0.3);
            box-shadow: var(--shadow-md), var(--shadow-glow);
            background: var(--bg-card-hover);
        }
        .game-card .card-image {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
            background: var(--bg-darker);
        }
        .game-card .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .game-card:hover .card-image img {
            transform: scale(1.05);
        }
        .game-card .card-image .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(108, 92, 231, 0.9);
            color: #fff;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            backdrop-filter: blur(4px);
            letter-spacing: 0.3px;
        }
        .game-card .card-image .card-duration {
            position: absolute;
            bottom: 12px;
            right: 12px;
            background: rgba(0, 0, 0, 0.7);
            color: #fff;
            padding: 4px 12px;
            border-radius: 50px;
            font-size: 0.75rem;
            display: flex;
            align-items: center;
            gap: 4px;
            backdrop-filter: blur(4px);
        }
        .game-card .card-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .game-card .card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: #fff;
            line-height: 1.4;
        }
        .game-card .card-body p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 16px;
            flex: 1;
            line-height: 1.6;
        }
        .game-card .card-body .card-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 14px;
            flex-wrap: wrap;
        }
        .game-card .card-body .card-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .game-card .card-body .card-meta i {
            color: var(--primary-light);
            font-size: 0.75rem;
        }
        .game-card .card-body .card-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--primary-light);
            font-weight: 600;
            font-size: 0.9rem;
            transition: gap var(--transition-fast);
            margin-top: auto;
        }
        .game-card .card-body .card-link:hover {
            gap: 14px;
            color: #fff;
        }

        @media (max-width: 576px) {
            .game-card .card-body {
                padding: 16px 18px 18px;
            }
            .game-card .card-body h3 {
                font-size: 1.05rem;
            }
        }

        /* ===== 列表样式 ===== */
        .guide-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .guide-list-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 16px 20px;
            transition: all var(--transition-fast);
            cursor: default;
        }
        .guide-list-item:hover {
            background: var(--bg-card-hover);
            border-color: rgba(108, 92, 231, 0.25);
            transform: translateX(4px);
        }
        .guide-list-item .list-index {
            flex-shrink: 0;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.9rem;
            color: #fff;
        }
        .guide-list-item .list-content {
            flex: 1;
        }
        .guide-list-item .list-content h4 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 4px;
            color: #fff;
        }
        .guide-list-item .list-content p {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }
        .guide-list-item .list-arrow {
            flex-shrink: 0;
            color: var(--text-muted);
            font-size: 1rem;
            transition: all var(--transition-fast);
            align-self: center;
        }
        .guide-list-item:hover .list-arrow {
            color: var(--primary-light);
            transform: translateX(4px);
        }

        @media (max-width: 576px) {
            .guide-list-item {
                padding: 12px 16px;
                gap: 12px;
            }
            .guide-list-item .list-index {
                width: 30px;
                height: 30px;
                font-size: 0.8rem;
            }
        }

        /* ===== 阶梯流程 ===== */
        .step-flow {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            counter-reset: step-counter;
        }
        .step-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 32px 24px 28px;
            text-align: center;
            position: relative;
            transition: all var(--transition-normal);
            counter-increment: step-counter;
        }
        .step-item:hover {
            transform: translateY(-4px);
            border-color: rgba(108, 92, 231, 0.3);
            box-shadow: var(--shadow-md);
        }
        .step-item::before {
            content: counter(step-counter);
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            font-weight: 700;
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 12px rgba(108, 92, 231, 0.3);
        }
        .step-item .step-icon {
            font-size: 2.4rem;
            color: var(--primary-light);
            margin-bottom: 16px;
        }
        .step-item h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: #fff;
        }
        .step-item p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.6;
        }

        @media (max-width: 992px) {
            .step-flow {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
        }
        @media (max-width: 576px) {
            .step-flow {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .step-item {
                padding: 24px 18px 22px;
            }
        }

        /* ===== FAQ 手风琴 ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: border-color var(--transition-fast);
        }
        .faq-item:hover {
            border-color: rgba(108, 92, 231, 0.2);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            cursor: pointer;
            background: transparent;
            border: none;
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            width: 100%;
            text-align: left;
            transition: background var(--transition-fast);
            gap: 12px;
        }
        .faq-question:hover {
            background: rgba(108, 92, 231, 0.05);
        }
        .faq-question i {
            font-size: 1.1rem;
            color: var(--primary-light);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-normal), padding var(--transition-normal);
            padding: 0 22px;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }
        .faq-answer p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            margin-bottom: 0;
            line-height: 1.7;
        }

        @media (max-width: 576px) {
            .faq-question {
                padding: 14px 16px;
                font-size: 0.95rem;
            }
            .faq-answer {
                padding: 0 16px;
            }
            .faq-item.active .faq-answer {
                padding: 0 16px 14px;
            }
        }

        /* ===== CTA 区块 ===== */
        .cta-block {
            background: linear-gradient(145deg, var(--bg-card) 0%, #1a1830 100%);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 56px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-block::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(108, 92, 231, 0.06) 0%, transparent 60%);
            pointer-events: none;
        }
        .cta-block h3 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 12px;
            position: relative;
            background: linear-gradient(135deg, #fff, var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .cta-block p {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto 28px;
            position: relative;
        }
        .cta-block .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
        }

        .btn-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 34px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 1rem;
            border: none;
            transition: all var(--transition-normal);
            cursor: pointer;
            text-decoration: none;
        }
        .btn-primary-custom {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            box-shadow: 0 6px 25px rgba(108, 92, 231, 0.3);
        }
        .btn-primary-custom:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 35px rgba(108, 92, 231, 0.45);
            color: #fff;
        }
        .btn-outline-custom {
            background: transparent;
            color: var(--text-primary);
            border: 2px solid var(--border-light);
        }
        .btn-outline-custom:hover {
            border-color: var(--primary-light);
            color: #fff;
            background: rgba(108, 92, 231, 0.08);
            transform: translateY(-3px);
        }

        @media (max-width: 768px) {
            .cta-block {
                padding: 40px 24px;
            }
            .cta-block h3 {
                font-size: 1.6rem;
            }
            .cta-block p {
                font-size: 1rem;
            }
            .btn-custom {
                padding: 12px 26px;
                font-size: 0.95rem;
            }
        }

        /* ===== 标签筛选 ===== */
        .filter-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            margin-bottom: 36px;
        }
        .filter-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 20px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 500;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            color: var(--text-secondary);
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .filter-tag:hover {
            border-color: rgba(108, 92, 231, 0.3);
            color: #fff;
            background: rgba(108, 92, 231, 0.08);
        }
        .filter-tag.active {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-color: transparent;
            color: #fff;
            box-shadow: 0 4px 15px rgba(108, 92, 231, 0.25);
        }
        .filter-tag i {
            font-size: 0.8rem;
        }

        /* ===== 资源列表 ===== */
        .resource-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }
        .resource-item {
            display: flex;
            align-items: center;
            gap: 14px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 14px 18px;
            transition: all var(--transition-fast);
        }
        .resource-item:hover {
            background: var(--bg-card-hover);
            border-color: rgba(108, 92, 231, 0.25);
            transform: translateX(4px);
        }
        .resource-item .resource-icon {
            width: 42px;
            height: 42px;
            border-radius: var(--radius-sm);
            background: rgba(108, 92, 231, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--primary-light);
            flex-shrink: 0;
        }
        .resource-item .resource-info {
            flex: 1;
        }
        .resource-item .resource-info h5 {
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 2px;
            color: #fff;
        }
        .resource-item .resource-info span {
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .resource-item .resource-link {
            flex-shrink: 0;
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: all var(--transition-fast);
        }
        .resource-item:hover .resource-link {
            color: var(--primary-light);
            transform: translateX(3px);
        }

        @media (max-width: 768px) {
            .resource-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 576px) {
            .resource-item {
                padding: 12px 14px;
                gap: 10px;
            }
            .resource-item .resource-icon {
                width: 36px;
                height: 36px;
                font-size: 1rem;
            }
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-darker);
            border-top: 1px solid var(--border-color);
            padding: 60px 0 0;
            color: var(--text-secondary);
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .site-footer .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
        }
        .site-footer .logo i {
            font-size: 1.6rem;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .site-footer .logo span {
            background: linear-gradient(135deg, #fff, var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .site-footer .footer-brand p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 340px;
        }
        .site-footer .footer-col h5 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: 0.3px;
        }
        .site-footer .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .site-footer .footer-col ul li a {
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .site-footer .footer-col ul li a:hover {
            color: #fff;
            transform: translateX(4px);
        }
        .site-footer .footer-col ul li a i {
            font-size: 0.7rem;
            color: var(--primary-light);
        }
        .site-footer .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding: 22px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .site-footer .footer-bottom p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }
        .site-footer .footer-bottom .legal-links {
            display: flex;
            gap: 20px;
        }
        .site-footer .footer-bottom .legal-links a {
            font-size: 0.85rem;
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }
        .site-footer .footer-bottom .legal-links a:hover {
            color: #fff;
        }

        @media (max-width: 992px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
        }
        @media (max-width: 576px) {
            .site-footer {
                padding: 40px 0 0;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .site-footer .footer-brand p {
                max-width: 100%;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
                padding: 18px 0;
            }
            .site-footer .footer-bottom .legal-links {
                gap: 14px;
                flex-wrap: wrap;
                justify-content: center;
            }
        }

        /* ===== 回到顶部 ===== */
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            border: none;
            font-size: 1.2rem;
            cursor: pointer;
            box-shadow: 0 6px 25px rgba(108, 92, 231, 0.3);
            transition: all var(--transition-normal);
            opacity: 0;
            visibility: hidden;
            transform: translateY(20px);
            z-index: 1020;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .back-to-top.visible {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .back-to-top:hover {
            transform: translateY(-4px);
            box-shadow: 0 10px 35px rgba(108, 92, 231, 0.45);
        }
        @media (max-width: 576px) {
            .back-to-top {
                bottom: 20px;
                right: 20px;
                width: 42px;
                height: 42px;
                font-size: 1rem;
            }
        }

        /* ===== 额外响应式微调 ===== */
        @media (max-width: 1200px) {
            .container {
                max-width: 100%;
            }
        }
        @media (max-width: 576px) {
            .filter-tags {
                gap: 8px;
            }
            .filter-tag {
                padding: 6px 14px;
                font-size: 0.8rem;
            }
        }

        /* ===== 游戏类型卡片网格 ===== */
        .type-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .type-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 28px 20px 22px;
            text-align: center;
            transition: all var(--transition-normal);
        }
        .type-card:hover {
            transform: translateY(-6px);
            border-color: rgba(108, 92, 231, 0.3);
            box-shadow: var(--shadow-md), var(--shadow-glow);
            background: var(--bg-card-hover);
        }
        .type-card .type-icon {
            font-size: 2.4rem;
            margin-bottom: 14px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .type-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: #fff;
        }
        .type-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        @media (max-width: 992px) {
            .type-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 576px) {
            .type-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .type-card {
                padding: 20px 14px 18px;
            }
            .type-card .type-icon {
                font-size: 1.8rem;
            }
            .type-card h4 {
                font-size: 0.95rem;
            }
        }