/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0a0e27;
            --primary-light: #161b3d;
            --secondary: #6c5ce7;
            --secondary-light: #a29bfe;
            --accent: #fdcb6e;
            --accent-dark: #e0a800;
            --cyan: #00cec9;
            --cyan-dark: #00b5b0;
            --text-primary: #f0f0f5;
            --text-secondary: #b0b0c8;
            --text-muted: #6e6e8a;
            --bg-card: rgba(255, 255, 255, 0.05);
            --bg-card-hover: rgba(255, 255, 255, 0.1);
            --bg-section-alt: #0d1130;
            --bg-section-dark: #080b20;
            --border-color: rgba(255, 255, 255, 0.08);
            --border-hover: rgba(255, 255, 255, 0.18);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 24px;
            --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 20px 60px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 40px rgba(108, 92, 231, 0.15);
            --font-sans: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --container-max: 1200px;
            --header-top-height: 64px;
            --header-bottom-height: 48px;
            --header-total: 112px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--primary);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-top: var(--header-total);
        }
        a {
            color: var(--secondary-light);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }
        button {
            cursor: pointer;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
            color: var(--text-primary);
        }
        h1 {
            font-size: clamp(2.2rem, 5vw, 3.6rem);
        }
        h2 {
            font-size: clamp(1.6rem, 3.5vw, 2.6rem);
        }
        h3 {
            font-size: clamp(1.2rem, 2.5vw, 1.6rem);
        }
        h4 {
            font-size: 1.15rem;
        }
        p {
            color: var(--text-secondary);
            margin-bottom: 1rem;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 导航双层 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(10, 14, 39, 0.96);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .site-header .header-top {
            height: var(--header-top-height);
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 24px;
            max-width: var(--container-max);
            margin: 0 auto;
        }
        .site-header .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.5px;
        }
        .site-header .logo i {
            color: var(--accent);
            font-size: 1.6rem;
        }
        .site-header .logo span {
            background: linear-gradient(135deg, var(--accent), var(--secondary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .header-top-right {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .header-search {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 40px;
            padding: 0 16px;
            height: 40px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            width: 200px;
        }
        .header-search:focus-within {
            border-color: var(--secondary);
            background: rgba(255, 255, 255, 0.12);
            width: 240px;
        }
        .header-search i {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-right: 8px;
        }
        .header-search input {
            flex: 1;
            background: transparent;
            color: var(--text-primary);
            font-size: 0.9rem;
            height: 100%;
        }
        .header-search input::placeholder {
            color: var(--text-muted);
        }
        .header-cta {
            padding: 8px 22px;
            border-radius: 40px;
            background: linear-gradient(135deg, var(--secondary), #8b7cf7);
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition);
            white-space: nowrap;
            border: none;
        }
        .header-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(108, 92, 231, 0.35);
            color: #fff;
        }
        .mobile-toggle {
            display: none;
            font-size: 1.4rem;
            color: var(--text-primary);
            background: none;
            border: none;
            padding: 4px 8px;
        }

        /* 底部导航栏 (频道Tabs) */
        .header-bottom {
            height: var(--header-bottom-height);
            border-top: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            padding: 0 24px;
            max-width: var(--container-max);
            margin: 0 auto;
        }
        .header-bottom::-webkit-scrollbar {
            display: none;
        }
        .header-bottom .nav-list {
            display: flex;
            gap: 4px;
            align-items: center;
            flex-wrap: nowrap;
        }
        .header-bottom .nav-list a {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 6px 18px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
            white-space: nowrap;
            border: 1px solid transparent;
        }
        .header-bottom .nav-list a i {
            font-size: 0.85rem;
        }
        .header-bottom .nav-list a:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.06);
        }
        .header-bottom .nav-list a.active {
            color: #fff;
            background: var(--secondary);
            border-color: var(--secondary);
            box-shadow: 0 4px 15px rgba(108, 92, 231, 0.3);
        }
        .header-bottom .nav-list a.active i {
            color: #fff;
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 520px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            background: linear-gradient(135deg, rgba(10, 14, 39, 0.85), rgba(22, 27, 61, 0.9)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            padding: 80px 24px 60px;
            overflow: hidden;
        }
        .hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 120px;
            background: linear-gradient(to top, var(--primary), transparent);
            pointer-events: none;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(108, 92, 231, 0.2);
            border: 1px solid rgba(108, 92, 231, 0.3);
            padding: 6px 18px;
            border-radius: 40px;
            font-size: 0.85rem;
            color: var(--secondary-light);
            margin-bottom: 24px;
        }
        .hero-badge i {
            color: var(--accent);
        }
        .hero h1 {
            margin-bottom: 20px;
            background: linear-gradient(135deg, #fff 40%, var(--secondary-light) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero p {
            font-size: 1.15rem;
            color: var(--text-secondary);
            max-width: 640px;
            margin: 0 auto 36px;
            line-height: 1.8;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .btn-primary {
            padding: 14px 36px;
            border-radius: 50px;
            background: linear-gradient(135deg, var(--secondary), #8b7cf7);
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: none;
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(108, 92, 231, 0.4);
            color: #fff;
        }
        .btn-outline {
            padding: 13px 34px;
            border-radius: 50px;
            border: 2px solid var(--border-hover);
            color: var(--text-primary);
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
        }
        .btn-outline:hover {
            border-color: var(--secondary);
            color: var(--secondary-light);
            background: rgba(108, 92, 231, 0.08);
            transform: translateY(-2px);
        }
        .hero-stats {
            display: flex;
            gap: 40px;
            justify-content: center;
            margin-top: 48px;
            flex-wrap: wrap;
        }
        .hero-stats .stat-item {
            text-align: center;
        }
        .hero-stats .stat-number {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent);
            display: block;
        }
        .hero-stats .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 2px;
        }

        /* ===== 通用板块 ===== */
        .section {
            padding: 80px 0;
        }
        .section-alt {
            background: var(--bg-section-alt);
        }
        .section-dark {
            background: var(--bg-section-dark);
        }
        .section-header {
            text-align: center;
            margin-bottom: 52px;
        }
        .section-header h2 {
            margin-bottom: 12px;
        }
        .section-header p {
            max-width: 580px;
            margin: 0 auto;
            font-size: 1.05rem;
            color: var(--text-muted);
        }
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(108, 92, 231, 0.12);
            border: 1px solid rgba(108, 92, 231, 0.2);
            padding: 4px 16px;
            border-radius: 30px;
            font-size: 0.8rem;
            color: var(--secondary-light);
            margin-bottom: 16px;
        }

        /* ===== 特色卡片 ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 36px 28px;
            text-align: center;
            transition: var(--transition);
        }
        .feature-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-hover);
            transform: translateY(-6px);
            box-shadow: var(--shadow-glow);
        }
        .feature-card .icon {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: linear-gradient(135deg, rgba(108, 92, 231, 0.2), rgba(0, 206, 201, 0.2));
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 1.6rem;
            color: var(--cyan);
        }
        .feature-card h3 {
            margin-bottom: 10px;
        }
        .feature-card p {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        /* ===== 游戏分类卡片 ===== */
        .games-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .game-card {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            transition: var(--transition);
            cursor: pointer;
        }
        .game-card:hover {
            transform: translateY(-6px);
            border-color: var(--border-hover);
            box-shadow: var(--shadow-glow);
        }
        .game-card .card-img {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            display: block;
            transition: var(--transition);
        }
        .game-card:hover .card-img {
            transform: scale(1.04);
        }
        .game-card .card-body {
            padding: 18px 20px 20px;
        }
        .game-card .card-body h4 {
            font-size: 1.05rem;
            margin-bottom: 4px;
        }
        .game-card .card-body p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }
        .game-card .card-tag {
            position: absolute;
            top: 14px;
            right: 14px;
            background: rgba(108, 92, 231, 0.85);
            backdrop-filter: blur(4px);
            padding: 3px 14px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            color: #fff;
        }

        /* ===== 资讯列表 (CMS) ===== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .news-item {
            display: flex;
            align-items: center;
            gap: 20px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 18px 24px;
            transition: var(--transition);
        }
        .news-item:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-hover);
            transform: translateX(4px);
        }
        .news-item .news-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(108, 92, 231, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--secondary-light);
            flex-shrink: 0;
        }
        .news-item .news-info {
            flex: 1;
            min-width: 0;
        }
        .news-item .news-info h4 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 2px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .news-item .news-info h4 a {
            color: var(--text-primary);
        }
        .news-item .news-info h4 a:hover {
            color: var(--secondary-light);
        }
        .news-item .news-meta {
            display: flex;
            gap: 16px;
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .news-item .news-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .news-item .news-meta .category {
            color: var(--accent);
        }
        .news-empty {
            text-align: center;
            padding: 40px 20px;
            color: var(--text-muted);
            font-size: 1rem;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px dashed var(--border-color);
        }

        /* ===== 数据统计 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 32px 20px;
            text-align: center;
            transition: var(--transition);
        }
        .stat-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-hover);
            transform: translateY(-4px);
        }
        .stat-card .stat-icon {
            font-size: 2rem;
            color: var(--cyan);
            margin-bottom: 12px;
        }
        .stat-card .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--accent), var(--secondary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .stat-card .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* ===== 流程步骤 ===== */
        .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-color);
            border-radius: var(--radius-md);
            padding: 32px 20px 28px;
            text-align: center;
            position: relative;
            transition: var(--transition);
        }
        .step-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-hover);
            transform: translateY(-4px);
        }
        .step-card .step-number {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--secondary), var(--cyan));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            font-weight: 800;
            color: #fff;
            margin: 0 auto 16px;
        }
        .step-card h4 {
            margin-bottom: 6px;
        }
        .step-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        /* ===== FAQ ===== */
        .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: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-hover);
        }
        .faq-item .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            font-weight: 600;
            color: var(--text-primary);
            cursor: pointer;
            transition: var(--transition);
            gap: 12px;
        }
        .faq-item .faq-question:hover {
            background: rgba(255, 255, 255, 0.03);
        }
        .faq-item .faq-question i {
            color: var(--secondary-light);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item .faq-answer {
            padding: 0 24px 18px;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
            display: none;
        }
        .faq-item.active .faq-answer {
            display: block;
        }
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, rgba(108, 92, 231, 0.12), rgba(0, 206, 201, 0.08)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            border-radius: var(--radius-lg);
            padding: 64px 40px;
            text-align: center;
            border: 1px solid var(--border-color);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(10, 14, 39, 0.7);
            pointer-events: none;
        }
        .cta-section>* {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            margin-bottom: 12px;
            color: #fff;
        }
        .cta-section p {
            color: var(--text-secondary);
            max-width: 500px;
            margin: 0 auto 32px;
        }
        .cta-section .btn-primary {
            font-size: 1.05rem;
            padding: 16px 42px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-section-dark);
            border-top: 1px solid var(--border-color);
            padding: 48px 0 32px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand .logo {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .footer-brand .logo i {
            color: var(--accent);
        }
        .footer-brand p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 16px;
            max-width: 320px;
        }
        .footer-social {
            display: flex;
            gap: 12px;
        }
        .footer-social a {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            transition: var(--transition);
        }
        .footer-social a:hover {
            background: var(--secondary);
            border-color: var(--secondary);
            color: #fff;
            transform: translateY(-3px);
        }
        .footer-col h4 {
            font-size: 1rem;
            margin-bottom: 16px;
            color: var(--text-primary);
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            font-size: 0.9rem;
            color: var(--text-muted);
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .footer-col ul li a:hover {
            color: var(--secondary-light);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-muted);
        }
        .footer-bottom a:hover {
            color: var(--secondary-light);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .features-grid,
            .games-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid,
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .header-search {
                width: 160px;
            }
            .header-search:focus-within {
                width: 180px;
            }
        }

        @media (max-width: 768px) {
            body {
                padding-top: 64px;
            }
            .site-header .header-bottom {
                display: none;
            }
            .site-header .header-bottom.open {
                display: flex;
                position: absolute;
                top: var(--header-top-height);
                left: 0;
                width: 100%;
                background: rgba(10, 14, 39, 0.98);
                backdrop-filter: blur(20px);
                border-top: 1px solid var(--border-color);
                padding: 12px 24px;
                height: auto;
                overflow-x: auto;
            }
            .site-header .header-bottom.open .nav-list {
                flex-wrap: wrap;
                gap: 8px;
            }
            .mobile-toggle {
                display: block;
            }
            .header-search {
                width: 120px;
            }
            .header-search:focus-within {
                width: 150px;
            }
            .header-cta {
                padding: 6px 16px;
                font-size: 0.8rem;
            }
            .site-header .logo {
                font-size: 1.1rem;
            }
            .hero {
                min-height: 420px;
                padding: 60px 20px 40px;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .hero-stats {
                gap: 24px;
            }
            .hero-stats .stat-number {
                font-size: 1.4rem;
            }
            .section {
                padding: 48px 0;
            }
            .section-header {
                margin-bottom: 32px;
            }
            .features-grid,
            .games-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .stats-grid,
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .news-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
                padding: 16px 18px;
            }
            .news-item .news-info h4 {
                white-space: normal;
            }
            .cta-section {
                padding: 40px 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .header-top-right .header-cta {
                display: none;
            }
            .header-search {
                width: 100px;
            }
            .header-search:focus-within {
                width: 130px;
            }
            .hero {
                min-height: 360px;
                padding: 40px 16px 32px;
            }
            .hero h1 {
                font-size: 1.5rem;
            }
            .hero-actions .btn-primary,
            .hero-actions .btn-outline {
                padding: 10px 24px;
                font-size: 0.9rem;
            }
            .stats-grid,
            .steps-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-card {
                padding: 20px 12px;
            }
            .stat-card .stat-number {
                font-size: 1.5rem;
            }
            .faq-item .faq-question {
                padding: 14px 16px;
                font-size: 0.95rem;
            }
            .faq-item .faq-answer {
                padding: 0 16px 14px;
                font-size: 0.9rem;
            }
        }

        /* ===== 工具类 ===== */
        .mt-16 {
            margin-top: 16px;
        }
        .mt-24 {
            margin-top: 24px;
        }
        .mt-32 {
            margin-top: 32px;
        }
        .mt-40 {
            margin-top: 40px;
        }
        .text-center {
            text-align: center;
        }
        .gap-8 {
            gap: 8px;
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #6c5ce7;
            --primary-dark: #5a4bd1;
            --primary-light: #a29bfe;
            --secondary: #fd79a8;
            --secondary-light: #fab1c8;
            --accent: #00cec9;
            --accent-dark: #00b5b0;
            --bg-dark: #0c0c1d;
            --bg-card: #15152a;
            --bg-card-hover: #1e1e3a;
            --bg-section: #0f0f24;
            --bg-hero-overlay: rgba(12, 12, 29, 0.75);
            --text-white: #f0f0f5;
            --text-light: #c8c8e0;
            --text-muted: #8888aa;
            --text-dark: #2d2d44;
            --border: rgba(108, 92, 231, 0.2);
            --border-light: rgba(108, 92, 231, 0.35);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 12px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 16px 56px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 30px rgba(108, 92, 231, 0.25);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --container-max: 1200px;
            --header-h: 72px;
            --nav-h: 52px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-light);
            background: var(--bg-dark);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--text-white);
        }
        a:focus-visible {
            outline: 2px solid var(--primary-light);
            outline-offset: 3px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }
        button {
            cursor: pointer;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-white);
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        .section-padding {
            padding: 80px 0;
        }
        .section-title {
            font-size: clamp(1.75rem, 4vw, 2.5rem);
            text-align: center;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }
        .section-subtitle {
            text-align: center;
            color: var(--text-muted);
            font-size: 1.05rem;
            max-width: 680px;
            margin: 0 auto 48px;
        }
        .text-gradient {
            background: linear-gradient(135deg, var(--primary-light), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            background: var(--primary);
            color: #fff;
            border: 1px solid var(--border-light);
        }
        .badge-hot {
            background: #e74c3c;
            border-color: #e74c3c;
        }
        .badge-new {
            background: var(--accent);
            border-color: var(--accent);
            color: #0c0c1d;
        }
        .badge-rank {
            background: rgba(108, 92, 231, 0.2);
            border: 1px solid var(--border-light);
            color: var(--primary-light);
            font-size: 1.1rem;
            font-weight: 800;
            min-width: 36px;
            text-align: center;
        }

        /* ===== Header (双层导航) ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: rgba(12, 12, 29, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border);
            transition: background var(--transition);
        }
        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-h);
            padding: 0 24px;
            max-width: var(--container-max);
            margin: 0 auto;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: -0.3px;
        }
        .logo i {
            font-size: 1.6rem;
            color: var(--primary-light);
        }
        .logo span {
            background: linear-gradient(135deg, var(--text-white), var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .header-search {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 50px;
            padding: 0 16px;
            border: 1px solid var(--border);
            transition: border var(--transition);
        }
        .header-search:focus-within {
            border-color: var(--primary-light);
        }
        .header-search input {
            padding: 8px 10px;
            font-size: 0.9rem;
            color: var(--text-light);
            background: transparent;
            min-width: 160px;
        }
        .header-search input::placeholder {
            color: var(--text-muted);
        }
        .header-search button {
            color: var(--text-muted);
            font-size: 0.95rem;
            padding: 6px 4px;
            transition: color var(--transition);
        }
        .header-search button:hover {
            color: var(--primary-light);
        }
        .header-cta {
            padding: 8px 22px;
            border-radius: 50px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            transition: transform var(--transition), box-shadow var(--transition);
            border: 1px solid var(--border-light);
        }
        .header-cta:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-glow);
            color: #fff;
        }
        .header-cta:active {
            transform: translateY(0);
        }

        /* 导航第二行 — Tabs */
        .nav-bar {
            border-top: 1px solid var(--border);
            background: rgba(12, 12, 29, 0.6);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 4px;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 6px 24px;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .nav-list::-webkit-scrollbar {
            display: none;
        }
        .nav-list a {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 8px 20px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-muted);
            white-space: nowrap;
            transition: background var(--transition), color var(--transition), box-shadow var(--transition);
            border: 1px solid transparent;
        }
        .nav-list a i {
            font-size: 0.85rem;
            opacity: 0.7;
        }
        .nav-list a:hover {
            color: var(--text-light);
            background: rgba(108, 92, 231, 0.08);
            border-color: var(--border);
        }
        .nav-list a.active {
            color: #fff;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-color: var(--border-light);
            box-shadow: 0 4px 20px rgba(108, 92, 231, 0.3);
        }
        .nav-list a.active i {
            opacity: 1;
        }

        /* 移动端菜单切换（汉堡） */
        .menu-toggle {
            display: none;
            background: none;
            font-size: 1.5rem;
            color: var(--text-light);
            padding: 4px 8px;
            border-radius: 8px;
            border: 1px solid var(--border);
        }
        .menu-toggle:focus-visible {
            outline: 2px solid var(--primary-light);
        }

        /* ===== Hero / 分类Banner ===== */
        .category-hero {
            position: relative;
            padding: calc(var(--header-h) + var(--nav-h) + 60px) 0 80px;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            isolation: isolate;
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: var(--bg-hero-overlay);
            z-index: 1;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to top, var(--bg-dark), transparent);
            z-index: 2;
        }
        .category-hero .container {
            position: relative;
            z-index: 3;
        }
        .hero-breadcrumb {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }
        .hero-breadcrumb a {
            color: var(--text-muted);
        }
        .hero-breadcrumb a:hover {
            color: var(--primary-light);
        }
        .hero-breadcrumb span {
            color: var(--text-light);
        }
        .hero-breadcrumb i {
            font-size: 0.65rem;
            color: var(--text-muted);
        }
        .category-hero h1 {
            font-size: clamp(2.2rem, 5vw, 3.5rem);
            margin-bottom: 16px;
            letter-spacing: -0.8px;
        }
        .category-hero p {
            font-size: 1.1rem;
            color: var(--text-light);
            max-width: 640px;
            line-height: 1.8;
            margin-bottom: 28px;
        }
        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .hero-tags .badge {
            padding: 6px 18px;
            font-size: 0.85rem;
        }

        /* ===== 分类简介 ===== */
        .intro-section {
            background: var(--bg-section);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .intro-content h2 {
            font-size: clamp(1.5rem, 3vw, 2rem);
            margin-bottom: 20px;
        }
        .intro-content p {
            color: var(--text-light);
            margin-bottom: 16px;
            line-height: 1.8;
        }
        .intro-content .intro-stats {
            display: flex;
            gap: 32px;
            margin-top: 24px;
            flex-wrap: wrap;
        }
        .intro-content .intro-stats .stat-item {
            text-align: center;
        }
        .intro-content .intro-stats .stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.2;
        }
        .intro-content .intro-stats .stat-num i {
            color: var(--primary-light);
            font-size: 1.5rem;
            margin-right: 4px;
        }
        .intro-content .intro-stats .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .intro-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border);
            background: var(--bg-card);
        }
        .intro-image img {
            width: 100%;
            height: 320px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .intro-image:hover img {
            transform: scale(1.03);
        }

        /* ===== 游戏卡片网格 ===== */
        .games-grid-section {
            background: var(--bg-dark);
        }
        .games-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .game-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border);
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
            display: flex;
            flex-direction: column;
        }
        .game-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: var(--border-light);
        }
        .game-card .card-img {
            position: relative;
            height: 200px;
            overflow: hidden;
            background: var(--bg-card-hover);
        }
        .game-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .game-card:hover .card-img img {
            transform: scale(1.06);
        }
        .game-card .card-img .card-badges {
            position: absolute;
            top: 12px;
            left: 12px;
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .game-card .card-img .card-rank {
            position: absolute;
            bottom: 12px;
            right: 12px;
            background: rgba(12, 12, 29, 0.8);
            backdrop-filter: blur(6px);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            padding: 4px 14px;
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--primary-light);
        }
        .game-card .card-body {
            padding: 20px 22px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .game-card .card-body h3 {
            font-size: 1.2rem;
            margin-bottom: 8px;
        }
        .game-card .card-body .card-meta {
            display: flex;
            gap: 16px;
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-bottom: 12px;
            flex-wrap: wrap;
        }
        .game-card .card-body .card-meta span {
            display: flex;
            align-items: center;
            gap: 5px;
        }
        .game-card .card-body .card-meta i {
            font-size: 0.75rem;
            color: var(--primary-light);
        }
        .game-card .card-body p {
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.7;
            flex: 1;
            margin-bottom: 16px;
        }
        .game-card .card-body .card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 14px;
            border-top: 1px solid var(--border);
        }
        .game-card .card-body .card-footer .card-tag {
            font-size: 0.78rem;
            color: var(--text-muted);
            background: rgba(108, 92, 231, 0.1);
            padding: 4px 14px;
            border-radius: 50px;
            border: 1px solid var(--border);
        }
        .game-card .card-body .card-footer .btn-download {
            padding: 7px 20px;
            border-radius: 50px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-size: 0.82rem;
            font-weight: 600;
            transition: transform var(--transition), box-shadow var(--transition);
            border: 1px solid var(--border-light);
        }
        .game-card .card-body .card-footer .btn-download:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-glow);
        }
        .game-card .card-body .card-footer .btn-download:active {
            transform: translateY(0);
        }

        /* ===== 分类标签筛选 ===== */
        .filter-section {
            background: var(--bg-section);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .filter-tabs {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            margin-bottom: 40px;
        }
        .filter-tabs .filter-btn {
            padding: 8px 24px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-muted);
            background: transparent;
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .filter-tabs .filter-btn:hover {
            color: var(--text-light);
            border-color: var(--border-light);
            background: rgba(108, 92, 231, 0.06);
        }
        .filter-tabs .filter-btn.active {
            color: #fff;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-color: var(--border-light);
            box-shadow: 0 4px 20px rgba(108, 92, 231, 0.25);
        }
        .filter-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .filter-item {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            padding: 18px 16px;
            text-align: center;
            border: 1px solid var(--border);
            transition: all var(--transition);
            cursor: pointer;
        }
        .filter-item:hover {
            border-color: var(--border-light);
            transform: translateY(-3px);
            box-shadow: var(--shadow-sm);
            background: var(--bg-card-hover);
        }
        .filter-item i {
            font-size: 1.6rem;
            color: var(--primary-light);
            margin-bottom: 8px;
            display: block;
        }
        .filter-item .filter-name {
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--text-light);
        }
        .filter-item .filter-count {
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* ===== 玩家评价 ===== */
        .review-section {
            background: var(--bg-dark);
        }
        .review-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .review-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            border: 1px solid var(--border);
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .review-card:hover {
            border-color: var(--border-light);
            box-shadow: var(--shadow-sm);
        }
        .review-card .review-stars {
            color: #fdcb6e;
            font-size: 0.95rem;
            margin-bottom: 12px;
            letter-spacing: 2px;
        }
        .review-card blockquote {
            color: var(--text-light);
            font-style: italic;
            line-height: 1.8;
            margin-bottom: 16px;
            font-size: 0.95rem;
        }
        .review-card .review-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .review-card .review-author .avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: #fff;
            font-size: 1rem;
        }
        .review-card .review-author .author-info .name {
            font-weight: 600;
            color: var(--text-white);
            font-size: 0.95rem;
        }
        .review-card .review-author .author-info .game {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* ===== 下载流程 ===== */
        .steps-section {
            background: var(--bg-section);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: step;
        }
        .step-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 32px 20px;
            text-align: center;
            border: 1px solid var(--border);
            position: relative;
            transition: transform var(--transition), border-color var(--transition);
        }
        .step-card:hover {
            transform: translateY(-4px);
            border-color: var(--border-light);
        }
        .step-card .step-num {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            margin: 0 auto 16px;
            border: 2px solid var(--border-light);
        }
        .step-card h4 {
            font-size: 1.05rem;
            margin-bottom: 8px;
        }
        .step-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-dark);
        }
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: border-color var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-light);
        }
        .faq-item .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            font-weight: 600;
            color: var(--text-white);
            font-size: 1rem;
            cursor: pointer;
            background: transparent;
            width: 100%;
            text-align: left;
            transition: background var(--transition);
            gap: 12px;
        }
        .faq-item .faq-question:hover {
            background: rgba(108, 92, 231, 0.04);
        }
        .faq-item .faq-question i {
            color: var(--primary-light);
            font-size: 0.85rem;
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }
        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 22px;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.8;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--bg-card), var(--bg-section));
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(108, 92, 231, 0.12), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-content {
            text-align: center;
            max-width: 680px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
        }
        .cta-content h2 {
            font-size: clamp(1.6rem, 3.5vw, 2.2rem);
            margin-bottom: 16px;
        }
        .cta-content p {
            color: var(--text-muted);
            font-size: 1.05rem;
            margin-bottom: 28px;
        }
        .cta-content .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .cta-content .cta-buttons .btn-primary {
            padding: 14px 36px;
            border-radius: 50px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            transition: transform var(--transition), box-shadow var(--transition);
            border: 1px solid var(--border-light);
        }
        .cta-content .cta-buttons .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-glow);
            color: #fff;
        }
        .cta-content .cta-buttons .btn-outline {
            padding: 14px 36px;
            border-radius: 50px;
            background: transparent;
            color: var(--text-light);
            font-weight: 600;
            font-size: 1rem;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .cta-content .cta-buttons .btn-outline:hover {
            background: rgba(108, 92, 231, 0.1);
            border-color: var(--primary-light);
            color: var(--text-white);
            transform: translateY(-3px);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #08081a;
            border-top: 1px solid var(--border);
            padding: 60px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 40px;
        }
        .footer-brand .logo {
            margin-bottom: 14px;
        }
        .footer-brand p {
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.8;
            margin-bottom: 18px;
        }
        .footer-social {
            display: flex;
            gap: 14px;
        }
        .footer-social a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(108, 92, 231, 0.1);
            border: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            font-size: 1.1rem;
            transition: all var(--transition);
        }
        .footer-social a:hover {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            transform: translateY(-3px);
        }
        .footer-col h4 {
            font-size: 1rem;
            margin-bottom: 16px;
            color: var(--text-white);
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: var(--text-muted);
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: color var(--transition), transform var(--transition);
        }
        .footer-col ul li a i {
            font-size: 0.6rem;
            color: var(--primary-light);
        }
        .footer-col ul li a:hover {
            color: var(--text-light);
            transform: translateX(4px);
        }
        .footer-bottom {
            margin-top: 40px;
            padding: 20px 0;
            border-top: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-muted);
        }
        .footer-bottom a:hover {
            color: var(--primary-light);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .games-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .filter-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .review-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .header-top {
                height: 60px;
                padding: 0 16px;
            }
            .header-search input {
                min-width: 100px;
                width: 100px;
            }
            .header-cta {
                padding: 6px 16px;
                font-size: 0.82rem;
            }
            .menu-toggle {
                display: block;
            }
            .nav-list {
                flex-wrap: nowrap;
                padding: 6px 16px;
                gap: 4px;
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
            }
            .nav-list a {
                padding: 6px 14px;
                font-size: 0.82rem;
                flex-shrink: 0;
            }
            .nav-list a i {
                font-size: 0.75rem;
            }
            .category-hero {
                padding: calc(var(--header-h) + var(--nav-h) + 30px) 0 50px;
            }
            .intro-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .intro-image img {
                height: 220px;
            }
            .games-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .filter-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .review-grid {
                grid-template-columns: 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .section-padding {
                padding: 50px 0;
            }
            .section-subtitle {
                margin-bottom: 32px;
            }
            .cta-content .cta-buttons .btn-primary,
            .cta-content .cta-buttons .btn-outline {
                padding: 12px 28px;
                font-size: 0.9rem;
                width: 100%;
            }
            .intro-content .intro-stats {
                gap: 20px;
                justify-content: center;
            }
            .intro-content .intro-stats .stat-num {
                font-size: 1.6rem;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .header-search {
                display: none;
            }
            .header-cta {
                font-size: 0.78rem;
                padding: 5px 12px;
            }
            .logo {
                font-size: 1.1rem;
            }
            .logo i {
                font-size: 1.3rem;
            }
            .category-hero h1 {
                font-size: 1.8rem;
            }
            .category-hero p {
                font-size: 0.95rem;
            }
            .hero-tags .badge {
                padding: 4px 12px;
                font-size: 0.75rem;
            }
            .games-grid {
                gap: 16px;
            }
            .game-card .card-img {
                height: 170px;
            }
            .game-card .card-body {
                padding: 16px 16px 20px;
            }
            .filter-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .filter-item {
                padding: 14px 10px;
            }
            .filter-item i {
                font-size: 1.3rem;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .step-card {
                padding: 24px 16px;
            }
            .review-card {
                padding: 20px 16px;
            }
            .faq-item .faq-question {
                padding: 14px 16px;
                font-size: 0.92rem;
            }
            .faq-item .faq-answer {
                padding: 0 16px;
                font-size: 0.88rem;
            }
            .faq-item.active .faq-answer {
                padding: 0 16px 14px;
            }
            .footer-col ul li a {
                font-size: 0.85rem;
            }
        }

/* roulang page: article */
/* ===== Design Variables ===== */
        :root {
            --primary: #6366f1;
            --primary-dark: #4f46e5;
            --primary-light: #a5b4fc;
            --primary-bg: #eef2ff;
            --secondary: #f59e0b;
            --secondary-light: #fbbf24;
            --accent: #ec4899;
            --bg: #f8fafc;
            --bg-card: #ffffff;
            --bg-dark: #0f172a;
            --bg-dark2: #1e293b;
            --text: #0f172a;
            --text-light: #475569;
            --text-muted: #94a3b8;
            --text-white: #f1f5f9;
            --border: #e2e8f0;
            --radius: 16px;
            --radius-sm: 10px;
            --radius-xs: 6px;
            --shadow: 0 4px 24px rgba(99, 102, 241, 0.08);
            --shadow-lg: 0 12px 48px rgba(99, 102, 241, 0.15);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --max-width: 1200px;
            --header-h: 60px;
            --nav-h: 48px;
        }

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

        /* ===== Container ===== */
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header / Nav (Tabs 双层) ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        }
        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-h);
            padding: 0 24px;
            max-width: var(--max-width);
            margin: 0 auto;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }
        .logo i {
            font-size: 28px;
            color: var(--secondary);
        }
        .logo span {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .header-actions .search-box {
            display: flex;
            align-items: center;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 30px;
            padding: 6px 14px 6px 18px;
            transition: var(--transition);
            max-width: 220px;
        }
        .header-actions .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px var(--primary-bg);
        }
        .header-actions .search-box input {
            background: transparent;
            border: none;
            padding: 4px 0;
            font-size: 14px;
            color: var(--text);
            width: 100%;
            min-width: 100px;
        }
        .header-actions .search-box input::placeholder {
            color: var(--text-muted);
        }
        .header-actions .search-box button {
            background: transparent;
            color: var(--text-muted);
            cursor: pointer;
            padding: 4px 0 4px 10px;
            font-size: 15px;
            transition: var(--transition);
        }
        .header-actions .search-box button:hover {
            color: var(--primary);
        }
        .header-actions .btn-cta {
            background: var(--primary);
            color: #fff;
            padding: 8px 20px;
            border-radius: 30px;
            font-size: 14px;
            font-weight: 600;
            transition: var(--transition);
            cursor: pointer;
            white-space: nowrap;
            border: none;
        }
        .header-actions .btn-cta:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(99, 102, 241, 0.35);
        }
        .nav-bar {
            border-top: 1px solid var(--border);
            background: rgba(255, 255, 255, 0.6);
            backdrop-filter: blur(8px);
        }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 4px;
            padding: 6px 24px;
            max-width: var(--max-width);
            margin: 0 auto;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .nav-list::-webkit-scrollbar {
            display: none;
        }
        .nav-list a {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 8px 18px;
            border-radius: 30px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-light);
            white-space: nowrap;
            transition: var(--transition);
            flex-shrink: 0;
            border: 1px solid transparent;
        }
        .nav-list a i {
            font-size: 15px;
            opacity: 0.7;
        }
        .nav-list a:hover {
            color: var(--primary);
            background: var(--primary-bg);
            border-color: var(--primary-light);
        }
        .nav-list a.active {
            color: #fff;
            background: var(--primary);
            border-color: var(--primary);
            box-shadow: 0 4px 14px rgba(99, 102, 241, 0.3);
        }
        .nav-list a.active i {
            opacity: 1;
        }
        .mobile-toggle {
            display: none;
            background: none;
            font-size: 22px;
            color: var(--text);
            cursor: pointer;
            padding: 4px 8px;
            border-radius: var(--radius-xs);
            transition: var(--transition);
        }
        .mobile-toggle:hover {
            background: var(--bg);
        }

        /* ===== Article Page ===== */
        .article-hero {
            position: relative;
            padding: 60px 0 40px;
            background: var(--bg-dark);
            overflow: hidden;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.2;
            z-index: 0;
        }
        .article-hero .container {
            position: relative;
            z-index: 1;
        }
        .article-hero .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }
        .article-hero .breadcrumb a {
            color: var(--primary-light);
        }
        .article-hero .breadcrumb a:hover {
            color: #fff;
        }
        .article-hero .breadcrumb .sep {
            color: var(--text-muted);
            font-size: 12px;
        }
        .article-hero .breadcrumb .current {
            color: var(--text-white);
        }
        .article-hero .hero-category {
            display: inline-block;
            background: var(--secondary);
            color: #1e293b;
            padding: 4px 16px;
            border-radius: 30px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 16px;
        }
        .article-hero h1 {
            font-size: clamp(28px, 4vw, 44px);
            font-weight: 800;
            color: #fff;
            line-height: 1.25;
            max-width: 840px;
            letter-spacing: -0.5px;
        }
        .article-hero .meta {
            display: flex;
            align-items: center;
            gap: 24px;
            margin-top: 20px;
            color: var(--text-muted);
            font-size: 14px;
            flex-wrap: wrap;
        }
        .article-hero .meta span {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .article-hero .meta i {
            color: var(--primary-light);
        }

        /* ===== Article Main ===== */
        .article-main {
            padding: 48px 0 60px;
        }
        .article-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 48px;
            align-items: start;
        }
        .article-content {
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 40px;
            overflow: hidden;
        }
        .article-content .cover-img {
            width: 100%;
            border-radius: var(--radius-sm);
            margin-bottom: 32px;
            object-fit: cover;
            max-height: 420px;
        }
        .article-content .body-text {
            font-size: 17px;
            line-height: 1.9;
            color: var(--text);
        }
        .article-content .body-text p {
            margin-bottom: 20px;
        }
        .article-content .body-text h2,
        .article-content .body-text h3 {
            margin-top: 32px;
            margin-bottom: 16px;
            font-weight: 700;
            color: var(--text);
        }
        .article-content .body-text h2 {
            font-size: 24px;
        }
        .article-content .body-text h3 {
            font-size: 20px;
        }
        .article-content .body-text ul,
        .article-content .body-text ol {
            margin-bottom: 20px;
            padding-left: 24px;
        }
        .article-content .body-text li {
            margin-bottom: 8px;
        }
        .article-content .body-text a {
            color: var(--primary);
            text-decoration: underline;
        }
        .article-content .body-text img {
            border-radius: var(--radius-sm);
            margin: 24px 0;
        }
        .article-content .body-text 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;
            color: var(--text-light);
            font-style: italic;
        }
        .article-content .tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 32px;
            padding-top: 24px;
            border-top: 1px solid var(--border);
        }
        .article-content .tags .tag {
            background: var(--bg);
            color: var(--text-light);
            padding: 6px 16px;
            border-radius: 30px;
            font-size: 13px;
            font-weight: 500;
            transition: var(--transition);
            border: 1px solid var(--border);
        }
        .article-content .tags .tag:hover {
            background: var(--primary-bg);
            color: var(--primary);
            border-color: var(--primary-light);
        }
        .article-content .share-bar {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 24px;
            padding-top: 20px;
            border-top: 1px solid var(--border);
        }
        .article-content .share-bar span {
            font-size: 14px;
            color: var(--text-muted);
            font-weight: 500;
        }
        .article-content .share-bar a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--bg);
            color: var(--text-light);
            transition: var(--transition);
            border: 1px solid var(--border);
            font-size: 16px;
        }
        .article-content .share-bar a:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
        }

        /* ===== Sidebar ===== */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 32px;
        }
        .sidebar-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 28px 24px;
            border: 1px solid var(--border);
        }
        .sidebar-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text);
        }
        .sidebar-card h3 i {
            color: var(--primary);
        }
        .sidebar-card .side-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .sidebar-card .side-list li {
            border-bottom: 1px solid var(--border);
            padding-bottom: 12px;
        }
        .sidebar-card .side-list li:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }
        .sidebar-card .side-list a {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            color: var(--text);
            transition: var(--transition);
        }
        .sidebar-card .side-list a:hover {
            color: var(--primary);
        }
        .sidebar-card .side-list a img {
            width: 64px;
            height: 64px;
            object-fit: cover;
            border-radius: var(--radius-xs);
            flex-shrink: 0;
        }
        .sidebar-card .side-list a .info {
            flex: 1;
            min-width: 0;
        }
        .sidebar-card .side-list a .info .title {
            font-size: 14px;
            font-weight: 600;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .sidebar-card .side-list a .info .date {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 4px;
        }
        .sidebar-card .cat-list {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .sidebar-card .cat-list a {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 16px;
            background: var(--bg);
            border-radius: var(--radius-xs);
            color: var(--text-light);
            transition: var(--transition);
            border: 1px solid transparent;
        }
        .sidebar-card .cat-list a:hover {
            background: var(--primary-bg);
            color: var(--primary);
            border-color: var(--primary-light);
        }
        .sidebar-card .cat-list a span {
            font-size: 13px;
            font-weight: 500;
        }
        .sidebar-card .cat-list a i {
            font-size: 12px;
            color: var(--text-muted);
        }
        .sidebar-card .cta-widget {
            text-align: center;
        }
        .sidebar-card .cta-widget p {
            font-size: 14px;
            color: var(--text-light);
            margin-bottom: 16px;
        }
        .sidebar-card .cta-widget .btn {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            padding: 10px 28px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 14px;
            transition: var(--transition);
        }
        .sidebar-card .cta-widget .btn:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(99, 102, 241, 0.3);
        }

        /* ===== Related Posts ===== */
        .related-section {
            padding: 48px 0 64px;
            background: var(--bg);
        }
        .related-section .section-title {
            font-size: 26px;
            font-weight: 800;
            margin-bottom: 32px;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .related-section .section-title i {
            color: var(--primary);
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 24px;
        }
        .related-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: var(--transition);
            border: 1px solid var(--border);
        }
        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .related-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: 0;
        }
        .related-card .card-body {
            padding: 20px 20px 24px;
        }
        .related-card .card-body .cat-tag {
            display: inline-block;
            background: var(--primary-bg);
            color: var(--primary);
            padding: 2px 12px;
            border-radius: 30px;
            font-size: 12px;
            font-weight: 600;
            margin-bottom: 10px;
        }
        .related-card .card-body h4 {
            font-size: 16px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 8px;
        }
        .related-card .card-body h4 a {
            color: var(--text);
        }
        .related-card .card-body h4 a:hover {
            color: var(--primary);
        }
        .related-card .card-body p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .card-body .meta {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-top: 12px;
            font-size: 12px;
            color: var(--text-muted);
        }

        /* ===== Not Found ===== */
        .not-found-box {
            text-align: center;
            padding: 80px 20px;
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .not-found-box i {
            font-size: 48px;
            color: var(--text-muted);
            margin-bottom: 20px;
        }
        .not-found-box h2 {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .not-found-box p {
            color: var(--text-light);
            margin-bottom: 24px;
        }
        .not-found-box .btn-back {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            padding: 12px 32px;
            border-radius: 30px;
            font-weight: 600;
            transition: var(--transition);
        }
        .not-found-box .btn-back:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(99, 102, 241, 0.3);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: var(--text-white);
            padding: 56px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand .logo {
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-brand .logo i {
            color: var(--secondary);
        }
        .footer-brand .logo span {
            background: linear-gradient(135deg, #fff, var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-muted);
            max-width: 360px;
            margin-bottom: 20px;
        }
        .footer-social {
            display: flex;
            gap: 12px;
        }
        .footer-social a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-muted);
            font-size: 18px;
            transition: var(--transition);
            border: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: 0.3px;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col ul li a {
            color: var(--text-muted);
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }
        .footer-col ul li a i {
            font-size: 10px;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: #fff;
        }
        .footer-col ul li a:hover i {
            color: var(--primary-light);
            transform: translateX(3px);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 0;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-muted);
        }
        .footer-bottom a:hover {
            color: #fff;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .header-actions .search-box {
                max-width: 140px;
            }
            .header-actions .btn-cta {
                display: none;
            }
            .nav-list {
                padding: 6px 16px;
                gap: 2px;
            }
            .nav-list a {
                padding: 6px 14px;
                font-size: 13px;
            }
            .nav-list a i {
                font-size: 13px;
            }
            .article-hero {
                padding: 40px 0 32px;
            }
            .article-hero h1 {
                font-size: 24px;
            }
            .article-content {
                padding: 24px 20px;
            }
            .article-content .body-text {
                font-size: 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .related-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 520px) {
            .header-top {
                padding: 0 16px;
            }
            .logo {
                font-size: 18px;
            }
            .logo i {
                font-size: 22px;
            }
            .header-actions .search-box {
                max-width: 110px;
            }
            .header-actions .search-box input {
                min-width: 60px;
                font-size: 13px;
            }
            .nav-list a {
                padding: 5px 12px;
                font-size: 12px;
                gap: 4px;
            }
            .nav-list a i {
                font-size: 11px;
            }
            .article-hero h1 {
                font-size: 20px;
            }
            .article-hero .meta {
                gap: 12px;
                font-size: 12px;
            }
            .article-content {
                padding: 16px 14px;
            }
            .article-content .body-text {
                font-size: 15px;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .sidebar-card {
                padding: 20px 16px;
            }
        }
        @media (max-width: 400px) {
            .header-actions .search-box {
                max-width: 80px;
            }
            .header-actions .search-box input {
                min-width: 40px;
            }
            .nav-list a {
                padding: 4px 10px;
                font-size: 11px;
            }
        }

        /* ===== Focus / Accessibility ===== */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid var(--primary-light);
            outline-offset: 2px;
        }

        /* ===== Utility ===== */
        .text-center {
            text-align: center;
        }
        .mt-16 {
            margin-top: 16px;
        }
        .mb-16 {
            margin-bottom: 16px;
        }
        .gap-8 {
            gap: 8px;
        }
        .flex {
            display: flex;
        }
        .flex-wrap {
            flex-wrap: wrap;
        }
        .items-center {
            align-items: center;
        }