/* roulang page: index */
:root {
            --brand-600: #4c6ef5;
            --brand-700: #4263eb;
            --brand-800: #3b5bdb;
            --accent-500: #ff922b;
            --accent-600: #fd7e14;
            --surface-light: #f8f9fb;
            --surface-card: #ffffff;
            --surface-dark: #1a1d2e;
            --ink-primary: #1e2130;
            --ink-secondary: #5a5f72;
            --ink-muted: #8b8fa3;
            --border-soft: #e8ecf1;
            --radius-lg: 0.875rem;
            --radius-xl: 1.125rem;
            --radius-2xl: 1.5rem;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.07);
            --shadow-nav: 0 2px 24px rgba(0, 0, 0, 0.09);
            --transition-fast: 180ms ease;
            --transition-smooth: 280ms cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            font-family: "Inter", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
            line-height: 1.7;
            color: #1e2130;
            background-color: #f8f9fb;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
        }
        input {
            font-family: inherit;
        }

        /* 悬浮胶囊导航 */
        .nav-capsule {
            background: rgba(255, 255, 255, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-radius: 3rem;
            box-shadow: var(--shadow-nav);
            border: 1px solid rgba(255, 255, 255, 0.7);
            padding: 0.5rem 1.25rem;
            transition: all var(--transition-smooth);
        }
        .nav-capsule.scrolled {
            background: rgba(255, 255, 255, 0.95);
            box-shadow: 0 4px 32px rgba(0, 0, 0, 0.13);
        }
        .nav-link {
            position: relative;
            font-weight: 500;
            font-size: 0.925rem;
            color: #5a5f72;
            padding: 0.5rem 0.9rem;
            border-radius: 2rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .nav-link:hover {
            color: #4263eb;
            background: rgba(76, 110, 245, 0.07);
        }
        .nav-link.active {
            color: #ffffff;
            background: #4c6ef5;
            font-weight: 600;
            box-shadow: 0 2px 10px rgba(76, 110, 245, 0.35);
        }
        .nav-link.active:hover {
            background: #4263eb;
            color: #ffffff;
        }
        .nav-logo-text {
            font-weight: 700;
            font-size: 1.35rem;
            letter-spacing: -0.01em;
            color: #1e2130;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .nav-logo-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #4c6ef5;
            margin-left: 2px;
            vertical-align: middle;
            position: relative;
            top: -2px;
        }

        /* 移动端导航抽屉 */
        .mobile-nav-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.45);
            z-index: 98;
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition-smooth);
        }
        .mobile-nav-overlay.open {
            opacity: 1;
            pointer-events: auto;
        }
        .mobile-nav-panel {
            position: fixed;
            top: 0;
            right: -320px;
            width: 300px;
            max-width: 85vw;
            height: 100vh;
            background: #ffffff;
            z-index: 99;
            padding: 1.5rem;
            box-shadow: -4px 0 32px rgba(0, 0, 0, 0.15);
            transition: right var(--transition-smooth);
            overflow-y: auto;
            border-radius: 1.5rem 0 0 1.5rem;
        }
        .mobile-nav-panel.open {
            right: 0;
        }
        .mobile-nav-link {
            display: block;
            padding: 0.85rem 1rem;
            border-radius: 0.75rem;
            font-weight: 500;
            font-size: 1rem;
            color: #5a5f72;
            transition: all var(--transition-fast);
            margin-bottom: 0.3rem;
        }
        .mobile-nav-link:hover,
        .mobile-nav-link.active {
            background: rgba(76, 110, 245, 0.08);
            color: #4263eb;
            font-weight: 600;
        }
        .mobile-nav-link.active {
            background: #4c6ef5;
            color: #ffffff;
        }

        /* Hero */
        .hero-section {
            position: relative;
            min-height: 92vh;
            display: flex;
            align-items: center;
            overflow: hidden;
            background: linear-gradient(160deg, #0f1420 0%, #1a1f35 35%, #1e2645 65%, #141a2e 100%);
        }
        .hero-bg-img {
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.32;
            z-index: 0;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 40% 50%, rgba(76, 110, 245, 0.15) 0%, transparent 65%),
                radial-gradient(ellipse at 70% 30%, rgba(255, 146, 43, 0.08) 0%, transparent 55%),
                linear-gradient(180deg, rgba(15, 20, 32, 0.7) 0%, rgba(20, 26, 46, 0.85) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
        }

        /* 板块通用 */
        .section-padding {
            padding: 5rem 0;
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: #4c6ef5;
            background: rgba(76, 110, 245, 0.08);
            padding: 0.35rem 0.9rem;
            border-radius: 2rem;
            margin-bottom: 0.75rem;
        }
        .section-title {
            font-size: 2.25rem;
            font-weight: 750;
            letter-spacing: -0.02em;
            color: #1e2130;
            line-height: 1.25;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: #5a5f72;
            max-width: 620px;
            margin: 0 auto;
            line-height: 1.65;
        }

        /* 卡片 */
        .info-card {
            background: #ffffff;
            border-radius: var(--radius-xl);
            padding: 1.75rem;
            box-shadow: var(--shadow-card);
            border: 1px solid #e8ecf1;
            transition: all var(--transition-smooth);
        }
        .info-card:hover {
            box-shadow: 0 8px 36px rgba(0, 0, 0, 0.10);
            transform: translateY(-3px);
            border-color: #d5ddf5;
        }
        .stat-card {
            background: #ffffff;
            border-radius: var(--radius-xl);
            padding: 1.5rem 1.75rem;
            box-shadow: var(--shadow-card);
            border: 1px solid #e8ecf1;
            text-align: center;
            transition: all var(--transition-smooth);
        }
        .stat-card:hover {
            box-shadow: 0 8px 32px rgba(76, 110, 245, 0.12);
            transform: translateY(-2px);
        }
        .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            letter-spacing: -0.03em;
            color: #4c6ef5;
            line-height: 1.1;
        }

        /* 按钮 */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: #4c6ef5;
            color: #ffffff;
            font-weight: 600;
            padding: 0.8rem 1.8rem;
            border-radius: 3rem;
            border: none;
            transition: all var(--transition-smooth);
            font-size: 0.95rem;
            letter-spacing: 0.01em;
            box-shadow: 0 4px 16px rgba(76, 110, 245, 0.3);
        }
        .btn-primary:hover {
            background: #4263eb;
            box-shadow: 0 6px 24px rgba(76, 110, 245, 0.4);
            transform: translateY(-1px);
            color: #ffffff;
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: transparent;
            color: #4c6ef5;
            font-weight: 600;
            padding: 0.75rem 1.7rem;
            border-radius: 3rem;
            border: 2px solid #4c6ef5;
            transition: all var(--transition-smooth);
            font-size: 0.95rem;
        }
        .btn-outline:hover {
            background: #4c6ef5;
            color: #ffffff;
            box-shadow: 0 4px 16px rgba(76, 110, 245, 0.3);
        }
        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: #ff922b;
            color: #ffffff;
            font-weight: 600;
            padding: 0.8rem 1.8rem;
            border-radius: 3rem;
            border: none;
            transition: all var(--transition-smooth);
            font-size: 0.95rem;
            box-shadow: 0 4px 16px rgba(255, 146, 43, 0.3);
        }
        .btn-accent:hover {
            background: #fd7e14;
            box-shadow: 0 6px 24px rgba(255, 146, 43, 0.4);
            transform: translateY(-1px);
            color: #ffffff;
        }

        /* FAQ */
        .faq-item {
            background: #ffffff;
            border-radius: var(--radius-lg);
            border: 1px solid #e8ecf1;
            padding: 1.3rem 1.6rem;
            transition: all var(--transition-smooth);
            cursor: pointer;
        }
        .faq-item:hover {
            border-color: #c5cdf5;
            box-shadow: 0 2px 14px rgba(0, 0, 0, 0.05);
        }
        .faq-q {
            font-weight: 650;
            color: #1e2130;
            font-size: 1rem;
            display: flex;
            align-items: flex-start;
            gap: 0.6rem;
        }
        .faq-q-icon {
            color: #4c6ef5;
            font-weight: 700;
            flex-shrink: 0;
            font-size: 1.1rem;
        }
        .faq-a {
            color: #5a5f72;
            font-size: 0.925rem;
            line-height: 1.7;
            margin-top: 0.55rem;
            padding-left: 1.7rem;
        }

        /* 新闻卡片 */
        .news-card {
            background: #ffffff;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid #e8ecf1;
            transition: all var(--transition-smooth);
        }
        .news-card:hover {
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.09);
            transform: translateY(-3px);
            border-color: #d5ddf5;
        }
        .news-card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }
        .news-tag {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            padding: 0.25rem 0.7rem;
            border-radius: 1.5rem;
            background: rgba(76, 110, 245, 0.1);
            color: #4c6ef5;
        }

        /* 页脚 */
        .site-footer {
            background: #1a1d2e;
            color: #c5c8d4;
            padding: 3.5rem 0 1.5rem;
        }
        .footer-brand {
            font-weight: 700;
            font-size: 1.3rem;
            color: #f5f5f8;
            letter-spacing: -0.01em;
        }
        .footer-link {
            color: #a0a4b4;
            transition: color var(--transition-fast);
            font-size: 0.9rem;
        }
        .footer-link:hover {
            color: #ffffff;
        }
        .footer-divider {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin: 2rem 0 1rem;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .section-title {
                font-size: 1.85rem;
            }
            .hero-section {
                min-height: 78vh;
            }
            .stat-number {
                font-size: 2.1rem;
            }
            .nav-capsule {
                padding: 0.4rem 0.9rem;
            }
            .nav-link {
                font-size: 0.82rem;
                padding: 0.4rem 0.65rem;
            }
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 1.6rem;
            }
            .section-padding {
                padding: 3rem 0;
            }
            .hero-section {
                min-height: 70vh;
            }
            .nav-capsule {
                border-radius: 2rem;
                padding: 0.4rem 0.75rem;
            }
            .info-card {
                padding: 1.25rem;
            }
            .stat-number {
                font-size: 1.8rem;
            }
            .news-card-img {
                height: 160px;
            }
            .mobile-nav-panel {
                width: 280px;
            }
        }
        @media (max-width: 520px) {
            .section-title {
                font-size: 1.4rem;
            }
            .hero-section {
                min-height: 62vh;
            }
            .btn-primary,
            .btn-outline,
            .btn-accent {
                padding: 0.65rem 1.3rem;
                font-size: 0.85rem;
            }
            .stat-card {
                padding: 1rem 1.2rem;
            }
            .stat-number {
                font-size: 1.55rem;
            }
            .faq-item {
                padding: 1rem 1.1rem;
            }
            .nav-logo-text {
                font-size: 1.15rem;
            }
            .news-card-img {
                height: 140px;
            }
        }

/* roulang page: category3 */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');
        
        :root {
            --primary: #2563eb;
            --primary-dark: #1d4ed8;
            --primary-light: #3b82f6;
            --secondary: #0f172a;
            --accent: #f59e0b;
            --accent-light: #fbbf24;
            --bg: #f8fafc;
            --surface: #ffffff;
            --text-primary: #1e293b;
            --text-secondary: #475569;
            --text-muted: #94a3b8;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-sm: 0.5rem;
            --radius: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.5rem;
            --shadow-sm: 0 1px 2px 0 rgba(0,0,0,0.05);
            --shadow: 0 1px 3px 0 rgba(0,0,0,0.1), 0 1px 2px -1px rgba(0,0,0,0.1);
            --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
            --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
            --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1);
            --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
        }
        
        * {
            box-sizing: border-box;
        }
        
        body {
            font-family: var(--font-sans);
            background-color: var(--bg);
            color: var(--text-primary);
            line-height: 1.6;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        
        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        
        button {
            cursor: pointer;
            font-family: inherit;
        }
        
        /* 导航胶囊样式 */
        .nav-capsule {
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid rgba(255, 255, 255, 0.6);
            box-shadow: var(--shadow-lg);
            border-radius: 999px;
            padding: 0.5rem 1rem;
            background: rgba(255, 255, 255, 0.9);
        }
        
        .nav-logo-text {
            font-weight: 800;
            font-size: 1.25rem;
            letter-spacing: -0.025em;
            color: var(--secondary);
            transition: opacity 0.2s;
            white-space: nowrap;
        }
        .nav-logo-text:hover {
            opacity: 0.8;
        }
        .nav-logo-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            background: var(--primary);
            border-radius: 50%;
            margin-left: 2px;
        }
        
        .nav-link {
            padding: 0.5rem 0.9rem;
            border-radius: 999px;
            font-weight: 500;
            font-size: 0.9rem;
            color: var(--text-secondary);
            transition: all 0.2s ease;
            white-space: nowrap;
            letter-spacing: -0.01em;
        }
        .nav-link:hover {
            background: rgba(37, 99, 235, 0.08);
            color: var(--primary);
        }
        .nav-link.active {
            background: var(--primary);
            color: white;
            box-shadow: 0 4px 12px rgba(37, 99, 235, 0.35);
        }
        .nav-link.active:hover {
            background: var(--primary-dark);
            color: white;
        }
        
        .btn-primary {
            background: var(--primary);
            color: white;
            font-weight: 600;
            padding: 0.6rem 1.5rem;
            border-radius: 999px;
            transition: all 0.25s ease;
            box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            border: none;
            cursor: pointer;
            letter-spacing: -0.01em;
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            box-shadow: 0 6px 16px rgba(37, 99, 235, 0.4);
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
        }
        
        .btn-outline {
            background: transparent;
            border: 1.5px solid var(--border);
            color: var(--text-primary);
            font-weight: 600;
            padding: 0.5rem 1.3rem;
            border-radius: 999px;
            transition: all 0.25s ease;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.4rem;
        }
        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(37, 99, 235, 0.04);
        }
        
        .card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all 0.3s ease;
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }
        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: transparent;
        }
        
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            letter-spacing: -0.025em;
            color: var(--secondary);
            margin-bottom: 0.5rem;
        }
        .section-subtitle {
            color: var(--text-secondary);
            font-size: 1.1rem;
            max-width: 600px;
        }
        
        .tag {
            background: #f1f5f9;
            color: var(--text-secondary);
            padding: 0.25rem 0.8rem;
            border-radius: 999px;
            font-size: 0.8rem;
            font-weight: 500;
            transition: all 0.2s;
            display: inline-block;
        }
        .tag:hover {
            background: var(--primary);
            color: white;
        }
        
        .footer-link {
            color: #94a3b8;
            font-size: 0.9rem;
            transition: color 0.2s;
        }
        .footer-link:hover {
            color: white;
            text-decoration: underline;
        }
        .footer-brand {
            font-weight: 700;
            font-size: 1.3rem;
            color: white;
            letter-spacing: -0.02em;
        }
        .footer-divider {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin: 1.5rem 0;
        }
        
        .site-footer {
            background: #0f172a;
            color: #cbd5e1;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        
        /* Hero 背景 */
        .hero-bg {
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            position: relative;
        }
        .hero-bg::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15,23,42,0.85) 0%, rgba(15,23,42,0.7) 100%);
            z-index: 0;
        }
        
        /* 移动端菜单 */
        .mobile-menu {
            position: fixed;
            top: 0;
            right: 0;
            bottom: 0;
            width: 75%;
            max-width: 320px;
            background: white;
            box-shadow: -10px 0 30px rgba(0,0,0,0.15);
            z-index: 100;
            transform: translateX(100%);
            transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            padding: 2rem 1.5rem;
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .mobile-menu.open {
            transform: translateX(0);
        }
        .mobile-menu a {
            display: block;
            padding: 0.8rem 1rem;
            border-radius: var(--radius);
            font-weight: 500;
            color: var(--text-primary);
            transition: background 0.2s;
        }
        .mobile-menu a:hover {
            background: #f1f5f9;
        }
        .mobile-menu a.active-mobile {
            background: var(--primary);
            color: white;
        }
        
        @media (max-width: 1024px) {
            .section-title {
                font-size: 1.75rem;
            }
            .nav-capsule {
                padding: 0.4rem 0.8rem;
            }
            .nav-link {
                padding: 0.4rem 0.7rem;
                font-size: 0.8rem;
            }
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 1.5rem;
            }
            .nav-capsule {
                padding: 0.4rem 1rem;
            }
        }
        @media (max-width: 520px) {
            .section-title {
                font-size: 1.4rem;
            }
            .card {
                border-radius: var(--radius);
            }
        }

/* roulang page: category4 */
:root {
            --color-brand-600: #4c6ef5;
            --color-brand-700: #4263eb;
            --color-brand-800: #3b5bdb;
            --color-accent-500: #ff922b;
            --color-accent-600: #fd7e14;
            --color-text: #1e2130;
            --color-text-soft: #5a5f72;
            --color-text-muted: #8b8fa3;
            --color-bg: #f8f9fb;
            --color-card: #ffffff;
            --color-border: #e5e7eb;
            --color-border-light: #f0f1f3;
            --radius-md: 0.625rem;
            --radius-lg: 0.875rem;
            --radius-xl: 1rem;
            --radius-2xl: 1.25rem;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06), 0 6px 20px rgba(0, 0, 0, 0.04);
            --shadow-card-hover: 0 4px 12px rgba(0, 0, 0, 0.08), 0 12px 32px rgba(0, 0, 0, 0.06);
            --shadow-nav: 0 2px 12px rgba(0, 0, 0, 0.06), 0 0 0 1px rgba(0, 0, 0, 0.03);
            --transition-fast: 0.18s ease;
            --transition-normal: 0.25s ease;
        }

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

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

        body {
            margin: 0;
            padding: 0;
            font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
            line-height: 1.65;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
        }

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

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

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

        input,
        select,
        textarea {
            font-family: inherit;
        }

        /* 导航胶囊 */
        .nav-capsule {
            background: rgba(255, 255, 255, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-radius: 50px;
            padding: 0.5rem 0.75rem;
            box-shadow: var(--shadow-nav);
            border: 1px solid rgba(255, 255, 255, 0.6);
        }

        .nav-logo-text {
            font-weight: 700;
            font-size: 1.1rem;
            color: #1e2130;
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: color var(--transition-fast);
            text-decoration: none;
        }
        .nav-logo-text:hover {
            color: var(--color-brand-600);
        }
        .nav-logo-dot {
            display: inline-block;
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--color-brand-600);
            margin-left: 1px;
            flex-shrink: 0;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 0.5rem 0.9rem;
            border-radius: 40px;
            font-size: 0.875rem;
            font-weight: 500;
            color: #4a4d5c;
            transition: all var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
            letter-spacing: 0.01em;
        }
        .nav-link:hover {
            background: #f1f3f8;
            color: #1e2130;
        }
        .nav-link.active {
            background: var(--color-brand-600);
            color: #ffffff;
            font-weight: 600;
            box-shadow: 0 2px 8px rgba(76, 110, 245, 0.3);
        }
        .nav-link.active:hover {
            background: var(--color-brand-700);
            color: #ffffff;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.65rem 1.5rem;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.9rem;
            background: var(--color-brand-600);
            color: #ffffff;
            border: none;
            cursor: pointer;
            transition: all var(--transition-normal);
            box-shadow: var(--shadow-btn, 0 2px 8px rgba(76, 110, 245, 0.25));
            text-decoration: none;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .btn-primary:hover {
            background: var(--color-brand-700);
            box-shadow: var(--shadow-btn-hover, 0 4px 16px rgba(76, 110, 245, 0.35));
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 1px 4px rgba(76, 110, 245, 0.2);
        }
        .btn-primary:focus-visible {
            outline: 3px solid rgba(76, 110, 245, 0.4);
            outline-offset: 2px;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.6rem 1.4rem;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.875rem;
            background: transparent;
            color: var(--color-brand-600);
            border: 2px solid var(--color-brand-600);
            cursor: pointer;
            transition: all var(--transition-normal);
            text-decoration: none;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .btn-outline:hover {
            background: var(--color-brand-600);
            color: #ffffff;
        }
        .btn-outline:focus-visible {
            outline: 3px solid rgba(76, 110, 245, 0.4);
            outline-offset: 2px;
        }

        /* 卡片 */
        .card-esport {
            background: var(--color-card);
            border-radius: var(--radius-xl);
            padding: 1.5rem;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
        }
        .card-esport:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: #dde0e8;
        }

        .card-esport-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: #e9ecef;
            position: relative;
        }
        .card-esport-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .card-esport:hover .card-esport-image img {
            transform: scale(1.04);
        }

        .badge-tag {
            display: inline-flex;
            align-items: center;
            padding: 0.25rem 0.7rem;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .badge-live {
            background: #fff0f0;
            color: #e03131;
            animation: pulse-live 2s infinite;
        }
        .badge-upcoming {
            background: #fff8e6;
            color: #e67e22;
        }
        .badge-ended {
            background: #f0f1f3;
            color: #7a7d8a;
        }
        @keyframes pulse-live {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.55;
            }
        }

        /* 统计数字 */
        .stat-block {
            text-align: center;
            padding: 1.25rem 1rem;
        }
        .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--color-brand-600);
            letter-spacing: -0.02em;
            line-height: 1.1;
        }
        .stat-label {
            font-size: 0.85rem;
            color: var(--color-text-soft);
            margin-top: 0.35rem;
            font-weight: 500;
        }

        /* 时间线 */
        .timeline-item {
            display: flex;
            gap: 1rem;
            padding: 1rem 0;
            border-bottom: 1px solid var(--color-border-light);
            align-items: flex-start;
        }
        .timeline-item:last-child {
            border-bottom: none;
        }
        .timeline-date {
            flex-shrink: 0;
            width: 70px;
            text-align: center;
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--color-brand-600);
            line-height: 1.2;
        }
        .timeline-date span {
            display: block;
            font-size: 0.7rem;
            font-weight: 500;
            color: var(--color-text-muted);
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }

        /* FAQ */
        .faq-item {
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-lg);
            margin-bottom: 0.6rem;
            overflow: hidden;
            background: var(--color-card);
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: #d0d4dd;
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 1rem 1.25rem;
            background: none;
            border: none;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-text);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 0.75rem;
            letter-spacing: 0.01em;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--color-brand-600);
        }
        .faq-answer {
            padding: 0 1.25rem 1.1rem;
            font-size: 0.875rem;
            color: var(--color-text-soft);
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .faq-item.open .faq-question {
            color: var(--color-brand-600);
        }
        .faq-arrow {
            transition: transform var(--transition-normal);
            flex-shrink: 0;
            color: var(--color-text-muted);
            font-size: 0.8rem;
        }
        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            color: var(--color-brand-600);
        }

        /* 页脚 */
        .site-footer {
            background: #0f172a;
            color: #cbd5e1;
            padding: 3rem 1.5rem 1.5rem;
            margin-top: 3rem;
        }
        .footer-brand {
            font-weight: 700;
            font-size: 1.15rem;
            color: #ffffff;
            letter-spacing: 0.02em;
        }
        .footer-link {
            color: #94a3b8;
            font-size: 0.85rem;
            transition: color var(--transition-fast);
            text-decoration: none;
        }
        .footer-link:hover {
            color: #e2e8f0;
        }
        .footer-divider {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin: 1.5rem 0;
        }

        /* 移动端菜单 */
        #mobile-menu-panel {
            display: none;
            position: fixed;
            top: 80px;
            left: 1rem;
            right: 1rem;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-radius: var(--radius-2xl);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
            border: 1px solid rgba(0, 0, 0, 0.06);
            z-index: 49;
            padding: 1rem;
            flex-direction: column;
            gap: 0.3rem;
        }
        #mobile-menu-panel.open {
            display: flex;
        }
        #mobile-menu-panel .nav-link {
            display: block;
            text-align: center;
            padding: 0.7rem 1rem;
            font-size: 0.9rem;
            border-radius: 40px;
        }

        @media (max-width: 1023px) {
            .nav-capsule {
                border-radius: 36px;
                padding: 0.4rem 0.6rem;
            }
            .stat-number {
                font-size: 1.8rem;
            }
            .timeline-date {
                width: 55px;
                font-size: 0.95rem;
            }
        }
        @media (max-width: 767px) {
            .nav-capsule {
                border-radius: 30px;
                padding: 0.35rem 0.5rem;
            }
            .nav-logo-text {
                font-size: 0.95rem;
            }
            .card-esport {
                padding: 1rem;
            }
            .stat-number {
                font-size: 1.5rem;
            }
            .stat-block {
                padding: 0.75rem 0.5rem;
            }
            .timeline-item {
                flex-direction: column;
                gap: 0.4rem;
            }
            .timeline-date {
                width: auto;
                text-align: left;
                display: flex;
                align-items: baseline;
                gap: 0.5rem;
            }
            .site-footer {
                padding: 2rem 1rem 1rem;
            }
        }
        @media (max-width: 520px) {
            .nav-capsule {
                border-radius: 26px;
                padding: 0.3rem 0.4rem;
                gap: 0 !important;
            }
            .nav-logo-text {
                font-size: 0.85rem;
            }
            .btn-primary {
                padding: 0.5rem 1rem;
                font-size: 0.78rem;
            }
            .stat-number {
                font-size: 1.3rem;
            }
            .badge-tag {
                font-size: 0.7rem;
                padding: 0.2rem 0.5rem;
            }
        }

/* roulang page: category2 */
:root {
            --color-brand: #4c6ef5;
            --color-brand-dark: #3b5bdb;
            --color-accent: #fa5252;
            --color-bg: #f8f9fa;
            --color-surface: #ffffff;
            --color-text: #1e2130;
            --color-text-weak: #6b7280;
            --color-border: #e5e7eb;
            --radius-md: 0.625rem;
            --radius-lg: 0.875rem;
            --radius-xl: 1.125rem;
            --radius-2xl: 1.5rem;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 28px rgba(0, 0, 0, 0.08);
            --shadow-xl: 0 14px 40px rgba(0, 0, 0, 0.10);
            --transition-fast: 180ms cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 280ms cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            font-family: 'Inter', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
            line-height: 1.7;
            color: #1e2130;
            background-color: #f8f9fa;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }

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

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

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

        input,
        textarea {
            font-family: inherit;
        }

        /* ========== 导航胶囊样式 ========== */
        .nav-capsule {
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-radius: 999px;
            padding: 0.45rem 0.6rem 0.45rem 1rem;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.10), 0 2px 8px rgba(0, 0, 0, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.7);
            transition: box-shadow var(--transition-smooth), border-color var(--transition-smooth);
        }

        .nav-capsule:hover {
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.13), 0 2px 10px rgba(0, 0, 0, 0.06);
            border-color: rgba(200, 210, 230, 0.7);
        }

        .nav-logo-text {
            font-weight: 700;
            font-size: 1.2rem;
            color: #1e2130;
            letter-spacing: -0.01em;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }

        .nav-logo-text:hover {
            color: #4c6ef5;
        }

        .nav-logo-dot {
            display: inline-block;
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: #4c6ef5;
            margin-left: 1px;
            flex-shrink: 0;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 0.5rem 0.9rem;
            border-radius: 999px;
            font-size: 0.875rem;
            font-weight: 500;
            color: #4b5563;
            white-space: nowrap;
            transition: all var(--transition-fast);
            position: relative;
        }

        .nav-link:hover {
            color: #1e2130;
            background: rgba(76, 110, 245, 0.06);
        }

        .nav-link.active {
            color: #ffffff;
            background: #4c6ef5;
            font-weight: 600;
            box-shadow: 0 3px 12px rgba(76, 110, 245, 0.35);
        }

        .nav-link.active:hover {
            background: #4263eb;
            color: #ffffff;
            box-shadow: 0 5px 18px rgba(76, 110, 245, 0.45);
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.6rem 1.4rem;
            border-radius: 999px;
            font-weight: 600;
            font-size: 0.875rem;
            background: #4c6ef5;
            color: #ffffff;
            border: none;
            transition: all var(--transition-fast);
            box-shadow: 0 4px 14px rgba(76, 110, 245, 0.3);
            cursor: pointer;
            white-space: nowrap;
            letter-spacing: 0.01em;
        }

        .btn-primary:hover {
            background: #4263eb;
            box-shadow: 0 7px 22px rgba(76, 110, 245, 0.4);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 3px 10px rgba(76, 110, 245, 0.3);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.55rem 1.3rem;
            border-radius: 999px;
            font-weight: 600;
            font-size: 0.875rem;
            background: transparent;
            color: #4c6ef5;
            border: 2px solid #4c6ef5;
            transition: all var(--transition-fast);
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-outline:hover {
            background: #4c6ef5;
            color: #ffffff;
            box-shadow: 0 4px 16px rgba(76, 110, 245, 0.3);
            transform: translateY(-1px);
        }

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

        .btn-accent {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.6rem 1.5rem;
            border-radius: 999px;
            font-weight: 600;
            font-size: 0.875rem;
            background: #fa5252;
            color: #ffffff;
            border: none;
            transition: all var(--transition-fast);
            box-shadow: 0 4px 14px rgba(250, 82, 82, 0.3);
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-accent:hover {
            background: #e03131;
            box-shadow: 0 7px 22px rgba(250, 82, 82, 0.4);
            transform: translateY(-1px);
        }

        /* ========== 卡片样式 ========== */
        .card-news {
            background: #ffffff;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-smooth);
            border: 1px solid #f1f3f5;
        }

        .card-news:hover {
            box-shadow: var(--shadow-xl);
            transform: translateY(-3px);
            border-color: #e5e7eb;
        }

        .card-news-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }

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

        .card-featured {
            background: #ffffff;
            border-radius: var(--radius-2xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            transition: all var(--transition-smooth);
            border: 1px solid #f1f3f5;
        }

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

        .tag-badge {
            display: inline-flex;
            align-items: center;
            padding: 0.25rem 0.7rem;
            border-radius: 999px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: all var(--transition-fast);
        }

        .tag-hot {
            background: #fff5f5;
            color: #e03131;
        }

        .tag-new {
            background: #f0f4ff;
            color: #4c6ef5;
        }

        .tag-live {
            background: #fff0f6;
            color: #c2255c;
            animation: pulse-live 2s ease-in-out infinite;
        }

        @keyframes pulse-live {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.6;
            }
        }

        /* ========== 页脚样式 ========== */
        .site-footer {
            background: #171923;
            color: #cbd5e1;
            padding: 3.5rem 0 2rem;
            margin-top: 3rem;
        }

        .footer-brand {
            font-weight: 700;
            font-size: 1.2rem;
            color: #ffffff;
            letter-spacing: -0.01em;
        }

        .footer-link {
            color: #94a3b8;
            font-size: 0.875rem;
            transition: color var(--transition-fast);
            text-decoration: none;
        }

        .footer-link:hover {
            color: #ffffff;
        }

        .footer-divider {
            border-top: 1px solid #2d3348;
            margin: 1.5rem 0 1.2rem;
        }

        /* ========== 移动端菜单面板 ========== */
        #mobile-menu-panel {
            display: none;
            position: fixed;
            top: 80px;
            left: 1rem;
            right: 1rem;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-radius: var(--radius-2xl);
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.18);
            z-index: 60;
            padding: 1.2rem;
            flex-direction: column;
            gap: 0.3rem;
            border: 1px solid rgba(200, 210, 230, 0.5);
            max-height: 70vh;
            overflow-y: auto;
        }

        #mobile-menu-panel.open {
            display: flex;
        }

        #mobile-menu-panel .mobile-nav-link {
            display: block;
            padding: 0.7rem 1.2rem;
            border-radius: var(--radius-lg);
            font-weight: 500;
            font-size: 0.95rem;
            color: #374151;
            transition: all var(--transition-fast);
            text-decoration: none;
        }

        #mobile-menu-panel .mobile-nav-link:hover {
            background: #f1f5f9;
            color: #1e2130;
        }

        #mobile-menu-panel .mobile-nav-link.active-mobile {
            background: #4c6ef5;
            color: #ffffff;
            font-weight: 600;
        }

        #mobile-menu-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.35);
            z-index: 55;
        }

        #mobile-menu-overlay.open {
            display: block;
        }

        /* ========== 响应式补充 ========== */
        @media (max-width: 1024px) {
            .nav-capsule {
                padding: 0.4rem 0.5rem 0.4rem 0.8rem;
            }
            .nav-logo-text {
                font-size: 1.05rem;
            }
        }

        @media (max-width: 768px) {
            .nav-capsule {
                border-radius: 1.5rem;
                padding: 0.35rem 0.5rem 0.35rem 0.75rem;
            }
            .card-news-img {
                aspect-ratio: 16 / 9;
            }
            #mobile-menu-panel {
                top: 72px;
                left: 0.75rem;
                right: 0.75rem;
            }
        }

        @media (max-width: 520px) {
            .nav-capsule {
                border-radius: 1.25rem;
                padding: 0.3rem 0.4rem 0.3rem 0.6rem;
            }
            .nav-logo-text {
                font-size: 0.95rem;
            }
            .btn-primary {
                padding: 0.5rem 1rem;
                font-size: 0.78rem;
            }
            #mobile-menu-panel {
                top: 60px;
                left: 0.5rem;
                right: 0.5rem;
                border-radius: var(--radius-xl);
            }
        }

        /* 焦点可见轮廓 */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid #4c6ef5;
            outline-offset: 3px;
            border-radius: 4px;
        }

        /* banner 覆盖层 */
        .banner-overlay {
            background: linear-gradient(180deg, rgba(23, 25, 35, 0.55) 0%, rgba(23, 25, 35, 0.78) 60%, rgba(23, 25, 35, 0.9) 100%);
        }

        /* 赛事统计数字动画 */
        .stat-number {
            font-variant-numeric: tabular-nums;
            font-feature-settings: "tnum";
        }

/* roulang page: category1 */
:root {
            --color-primary: #2f4ad4;
            --color-primary-dark: #1e3a8a;
            --color-primary-light: #5c7cfa;
            --color-accent: #e6a617;
            --color-accent-light: #f0b429;
            --color-bg: #f8fafc;
            --color-surface: #ffffff;
            --color-text: #1e2130;
            --color-text-soft: #5a6070;
            --color-text-muted: #8b919e;
            --color-border: #e2e8f0;
            --color-border-light: #f1f5f9;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 9999px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.07), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 8px 28px rgba(0, 0, 0, 0.09), 0 3px 10px rgba(0, 0, 0, 0.05);
            --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.11), 0 4px 14px rgba(0, 0, 0, 0.06);
            --shadow-xl: 0 24px 56px rgba(0, 0, 0, 0.14), 0 6px 18px rgba(0, 0, 0, 0.07);
            --transition-fast: 0.18s ease;
            --transition: 0.28s ease;
            --transition-slow: 0.4s ease;
        }

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

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            padding-top: 100px;
        }

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

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

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

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-primary-light);
            outline-offset: 3px;
            border-radius: 4px;
        }

        /* 导航胶囊系统 */
        #site-header {
            pointer-events: none;
        }

        .nav-capsule {
            background: rgba(255, 255, 255, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-radius: var(--radius-full);
            padding: 8px 14px;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08), 0 1px 4px rgba(0, 0, 0, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.6);
            transition: box-shadow var(--transition), border-color var(--transition);
        }

        .nav-capsule:hover {
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.11), 0 2px 6px rgba(0, 0, 0, 0.05);
            border-color: rgba(200, 210, 225, 0.7);
        }

        .nav-logo-text {
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--color-primary-dark);
            letter-spacing: -0.01em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 5px;
            padding: 6px 10px;
            border-radius: var(--radius);
            transition: background var(--transition-fast);
        }

        .nav-logo-text:hover {
            background: rgba(47, 74, 212, 0.06);
            color: var(--color-primary);
        }

        .nav-logo-dot {
            display: inline-block;
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--color-accent);
            flex-shrink: 0;
            animation: logoPulse 2.4s ease-in-out infinite;
        }

        @keyframes logoPulse {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.55;
                transform: scale(1.6);
            }
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 9px 16px;
            border-radius: var(--radius-full);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-soft);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
            letter-spacing: 0.01em;
        }

        .nav-link:hover {
            color: var(--color-primary);
            background: rgba(47, 74, 212, 0.05);
        }

        .nav-link.active {
            color: #ffffff;
            background: var(--color-primary);
            font-weight: 600;
            box-shadow: 0 2px 10px rgba(47, 74, 212, 0.3);
        }

        .nav-link.active:hover {
            background: var(--color-primary-dark);
            color: #ffffff;
            box-shadow: 0 4px 16px rgba(47, 74, 212, 0.4);
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 22px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.9rem;
            background: var(--color-primary);
            color: #ffffff;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            box-shadow: 0 2px 10px rgba(47, 74, 212, 0.25);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .btn-primary:hover {
            background: var(--color-primary-dark);
            box-shadow: 0 6px 22px rgba(47, 74, 212, 0.38);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(47, 74, 212, 0.2);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 22px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.9rem;
            background: transparent;
            color: var(--color-primary);
            border: 2px solid var(--color-primary);
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .btn-outline:hover {
            background: var(--color-primary);
            color: #ffffff;
            box-shadow: 0 4px 16px rgba(47, 74, 212, 0.28);
            transform: translateY(-1px);
        }

        .btn-gold {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 22px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.9rem;
            background: linear-gradient(135deg, var(--color-accent-light), var(--color-accent));
            color: #1a1a1a;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
            letter-spacing: 0.02em;
            box-shadow: 0 2px 12px rgba(230, 166, 23, 0.3);
        }

        .btn-gold:hover {
            box-shadow: 0 6px 24px rgba(230, 166, 23, 0.45);
            transform: translateY(-2px);
            background: linear-gradient(135deg, #f7c948, #e6a617);
        }

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

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

        .card-cover {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            display: block;
        }

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

        /* 标签 */
        .tag {
            display: inline-flex;
            align-items: center;
            padding: 5px 12px;
            border-radius: var(--radius-full);
            font-size: 0.78rem;
            font-weight: 500;
            background: rgba(47, 74, 212, 0.08);
            color: var(--color-primary);
            transition: all var(--transition-fast);
        }

        .tag-gold {
            background: rgba(230, 166, 23, 0.1);
            color: #b0780a;
        }

        .tag-green {
            background: rgba(16, 185, 129, 0.1);
            color: #059669;
        }

        .tag-hot {
            background: rgba(239, 68, 68, 0.1);
            color: #dc2626;
        }

        /* 徽章 */
        .badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 22px;
            height: 22px;
            padding: 0 7px;
            border-radius: var(--radius-full);
            font-size: 0.7rem;
            font-weight: 700;
            background: #ef4444;
            color: #ffffff;
            line-height: 1;
        }

        /* 统计数字 */
        .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.1;
            color: var(--color-primary-dark);
        }

        /* 分割线 */
        .divider {
            height: 1px;
            background: var(--color-border-light);
            width: 100%;
        }

        .divider-soft {
            height: 1px;
            background: linear-gradient(to right, transparent, var(--color-border), transparent);
            width: 100%;
        }

        /* FAQ */
        .faq-item {
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all var(--transition);
            background: var(--color-surface);
        }

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

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

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition);
            padding: 0 22px;
            color: var(--color-text-soft);
            font-size: 0.92rem;
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            max-height: 500px;
            padding: 0 22px 18px;
        }

        .faq-item.open .faq-question {
            color: var(--color-primary);
            border-bottom: 1px solid var(--color-border-light);
            margin-bottom: 4px;
        }

        .faq-arrow {
            transition: transform var(--transition);
            flex-shrink: 0;
            color: var(--color-text-muted);
            font-size: 0.8rem;
        }

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

        /* 页脚 */
        .site-footer {
            background: #0f1a2e;
            color: #cbd5e1;
            padding: 50px 0 28px;
            margin-top: 60px;
        }

        .footer-brand {
            font-weight: 700;
            font-size: 1.2rem;
            color: #ffffff;
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .footer-link {
            color: #94a3b8;
            font-size: 0.88rem;
            transition: color var(--transition-fast);
            display: inline-block;
        }

        .footer-link:hover {
            color: #ffffff;
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .footer-divider {
            height: 1px;
            background: rgba(255, 255, 255, 0.1);
            margin: 24px 0 18px;
        }

        /* 移动端菜单 */
        .mobile-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.45);
            z-index: 60;
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition);
        }

        .mobile-overlay.active {
            opacity: 1;
            pointer-events: auto;
        }

        .mobile-drawer {
            position: fixed;
            top: 0;
            right: 0;
            width: 300px;
            max-width: 82vw;
            height: 100vh;
            background: #ffffff;
            z-index: 70;
            transform: translateX(100%);
            transition: transform var(--transition);
            box-shadow: var(--shadow-xl);
            display: flex;
            flex-direction: column;
            padding: 24px 20px;
            overflow-y: auto;
        }

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

        .mobile-nav-link {
            display: block;
            padding: 14px 16px;
            border-radius: var(--radius);
            font-size: 1rem;
            font-weight: 500;
            color: var(--color-text);
            transition: all var(--transition-fast);
        }

        .mobile-nav-link:hover {
            background: rgba(47, 74, 212, 0.05);
            color: var(--color-primary);
        }

        .mobile-nav-link.active {
            background: var(--color-primary);
            color: #ffffff;
            font-weight: 600;
        }

        .mobile-close-btn {
            align-self: flex-end;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: #f1f5f9;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--color-text);
            transition: all var(--transition-fast);
            margin-bottom: 8px;
        }

        .mobile-close-btn:hover {
            background: #e2e8f0;
            color: #1e2130;
        }

        /* Hero banner */
        .hero-banner {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            background-size: cover;
            background-position: center;
            min-height: 340px;
            display: flex;
            align-items: center;
            isolation: isolate;
        }

        .hero-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 29, 82, 0.82) 0%, rgba(30, 58, 138, 0.65) 40%, rgba(47, 74, 212, 0.4) 100%);
            z-index: 1;
        }

        .hero-banner-content {
            position: relative;
            z-index: 2;
            padding: 40px 36px;
            max-width: 680px;
        }

        /* 排行榜数字 */
        .rank-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            font-weight: 700;
            font-size: 0.85rem;
            flex-shrink: 0;
        }

        .rank-1 {
            background: #fbbf24;
            color: #7c5800;
        }
        .rank-2 {
            background: #cbd5e1;
            color: #475569;
        }
        .rank-3 {
            background: #e2a87a;
            color: #6b3a1f;
        }
        .rank-other {
            background: #f1f5f9;
            color: #64748b;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            body {
                padding-top: 88px;
            }
            .nav-capsule {
                padding: 6px 10px;
                border-radius: 28px;
            }
            .nav-link {
                padding: 7px 12px;
                font-size: 0.82rem;
            }
            .hero-banner {
                min-height: 280px;
                border-radius: var(--radius-lg);
            }
            .hero-banner-content {
                padding: 28px 24px;
            }
            .stat-number {
                font-size: 2rem;
            }
        }

        @media (max-width: 768px) {
            body {
                padding-top: 78px;
            }
            .nav-capsule {
                padding: 6px 8px;
                border-radius: 24px;
                gap: 2px;
            }
            .nav-logo-text {
                font-size: 1rem;
                padding: 5px 8px;
            }
            .btn-primary {
                padding: 8px 16px;
                font-size: 0.78rem;
            }
            .hero-banner {
                min-height: 240px;
                border-radius: var(--radius);
            }
            .hero-banner-content {
                padding: 20px 16px;
            }
            .hero-banner-content h1 {
                font-size: 1.6rem;
            }
            .stat-number {
                font-size: 1.7rem;
            }
            .card-body {
                padding: 14px 16px 16px;
            }
            .site-footer {
                padding: 36px 0 20px;
            }
        }

        @media (max-width: 520px) {
            body {
                padding-top: 70px;
            }
            .nav-capsule {
                padding: 5px 6px;
                border-radius: 20px;
            }
            .nav-logo-text {
                font-size: 0.9rem;
                padding: 4px 6px;
            }
            .hero-banner {
                min-height: 200px;
            }
            .hero-banner-content {
                padding: 16px 12px;
            }
            .hero-banner-content h1 {
                font-size: 1.3rem;
            }
            .hero-banner-content p {
                font-size: 0.85rem;
            }
            .stat-number {
                font-size: 1.4rem;
            }
            .tag {
                font-size: 0.7rem;
                padding: 4px 10px;
            }
        }

/* roulang page: category5 */
:root {
      --primary: #1e40af;
      --primary-light: #3b82f6;
      --secondary: #0f172a;
      --accent: #f59e0b;
      --text-dark: #1e293b;
      --text-gray: #64748b;
      --bg-light: #f8fafc;
      --bg-white: #ffffff;
      --radius: 16px;
      --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
      --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
      --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    }
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    body {
      font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
      line-height: 1.6;
      color: var(--text-dark);
      background-color: var(--bg-white);
      -webkit-font-smoothing: antialiased;
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    a {
      text-decoration: none;
      color: inherit;
    }
    /* 导航胶囊样式 */
    .nav-capsule {
      background: rgba(255, 255, 255, 0.85);
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
      box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
      border-radius: 40px;
      padding: 0.5rem 0.75rem;
      transition: all 0.3s ease;
      border: 1px solid rgba(255, 255, 255, 0.6);
    }
    .nav-logo-text {
      font-weight: 800;
      font-size: 1.25rem;
      color: var(--secondary);
      letter-spacing: -0.5px;
      white-space: nowrap;
    }
    .nav-logo-dot {
      display: inline-block;
      width: 8px;
      height: 8px;
      background: var(--primary-light);
      border-radius: 50%;
      margin-left: 2px;
      position: relative;
      top: -2px;
    }
    .nav-link {
      display: inline-flex;
      align-items: center;
      padding: 0.5rem 1rem;
      font-size: 0.9rem;
      font-weight: 500;
      color: var(--text-gray);
      border-radius: 30px;
      transition: all 0.2s ease;
      white-space: nowrap;
    }
    .nav-link:hover {
      color: var(--primary);
      background: rgba(59, 130, 246, 0.08);
    }
    .nav-link.active {
      color: var(--primary);
      background: rgba(59, 130, 246, 0.12);
      font-weight: 600;
      box-shadow: 0 2px 8px rgba(59, 130, 246, 0.15);
    }
    .btn-primary {
      background: var(--primary);
      color: white;
      padding: 0.6rem 1.5rem;
      border-radius: 30px;
      font-weight: 600;
      font-size: 0.9rem;
      transition: all 0.2s ease;
      box-shadow: 0 4px 12px rgba(30, 64, 175, 0.3);
      border: none;
      cursor: pointer;
      white-space: nowrap;
    }
    .btn-primary:hover {
      background: var(--primary-light);
      transform: translateY(-1px);
      box-shadow: 0 8px 20px rgba(30, 64, 175, 0.4);
    }
    /* 移动端菜单 */
    .mobile-menu {
      position: fixed;
      top: 0;
      right: -100%;
      width: 100%;
      max-width: 320px;
      height: 100vh;
      background: white;
      z-index: 100;
      transition: right 0.3s ease;
      box-shadow: -10px 0 30px rgba(0,0,0,0.1);
      display: flex;
      flex-direction: column;
      padding: 1.5rem;
    }
    .mobile-menu.open {
      right: 0;
    }
    .mobile-nav-link {
      display: block;
      padding: 1rem;
      font-size: 1.1rem;
      font-weight: 500;
      color: var(--text-dark);
      border-radius: 12px;
      transition: all 0.2s;
    }
    .mobile-nav-link.active {
      color: var(--primary);
      background: rgba(59, 130, 246, 0.1);
      font-weight: 600;
    }
    .menu-overlay {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: rgba(0,0,0,0.5);
      z-index: 99;
      opacity: 0;
      visibility: hidden;
      transition: all 0.3s;
    }
    .menu-overlay.open {
      opacity: 1;
      visibility: visible;
    }
    /* 页脚 */
    .site-footer {
      background: var(--secondary);
      color: #cbd5e1;
      padding: 4rem 0 2rem;
    }
    .footer-brand {
      font-weight: 800;
      font-size: 1.5rem;
      color: white;
    }
    .footer-link {
      color: #94a3b8;
      font-size: 0.9rem;
      transition: color 0.2s;
    }
    .footer-link:hover {
      color: white;
    }
    .footer-divider {
      border-top: 1px solid rgba(255,255,255,0.1);
      margin: 2rem 0 1.5rem;
    }
    /* 卡片与组件 */
    .service-card {
      transition: all 0.3s ease;
      border: 1px solid transparent;
    }
    .service-card:hover {
      border-color: rgba(59, 130, 246, 0.2);
      box-shadow: 0 20px 40px -12px rgba(0,0,0,0.15);
      transform: translateY(-4px);
    }
    .stat-item {
      text-align: center;
      padding: 2rem;
    }
    .stat-number {
      font-size: 2.5rem;
      font-weight: 800;
      color: var(--primary);
      letter-spacing: -1px;
    }
    details summary {
      list-style: none;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
    }
    details summary::-webkit-details-marker {
      display: none;
    }
    details summary i {
      transition: transform 0.2s ease;
    }
    details[open] summary i {
      transform: rotate(45deg);
    }
    /* 背景覆盖 */
    .hero-bg {
      background-size: cover;
      background-position: center;
    }
    
    @media (max-width: 768px) {
      .nav-capsule {
        border-radius: 30px;
        padding: 0.4rem 0.5rem;
      }
      .stat-number {
        font-size: 2rem;
      }
    }

/* roulang page: category6 */
:root {
            --color-primary: #2563eb;
            --color-primary-dark: #1d4ed8;
            --color-primary-light: #60a5fa;
            --color-accent: #c026d3;
            --color-bg: #f8fafc;
            --color-surface: #ffffff;
            --color-text: #1e293b;
            --color-text-soft: #64748b;
            --color-text-muted: #94a3b8;
            --color-border: #e2e8f0;
            --color-border-light: #f1f5f9;
            --radius-sm: 0.5rem;
            --radius: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --radius-2xl: 1.5rem;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.06);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.06), 0 1px 4px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 8px 28px rgba(0, 0, 0, 0.08), 0 2px 8px rgba(0, 0, 0, 0.05);
            --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.1), 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-xl: 0 24px 56px rgba(0, 0, 0, 0.12), 0 6px 16px rgba(0, 0, 0, 0.06);
        }

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

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

        body {
            margin: 0;
            padding: 0;
            font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, sans-serif;
            line-height: 1.7;
            color: #1e293b;
            background-color: #f8fafc;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s ease;
        }
        a:hover {
            color: var(--color-primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 3px solid rgba(37, 99, 235, 0.4);
            outline-offset: 3px;
            border-radius: 6px;
        }

        /* ========== 导航胶囊 ========== */
        .nav-capsule {
            background: rgba(255, 255, 255, 0.88);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid rgba(226, 232, 240, 0.7);
            border-radius: 999px;
            padding: 0.45rem 0.6rem;
            box-shadow: var(--shadow-md);
            white-space: nowrap;
        }
        .nav-logo-text {
            font-weight: 700;
            font-size: 1.1rem;
            color: #1e293b;
            letter-spacing: -0.01em;
            display: flex;
            align-items: center;
            gap: 0.3rem;
            padding: 0.35rem 0.8rem;
            border-radius: 999px;
            transition: background 0.2s;
            flex-shrink: 0;
            text-decoration: none;
        }
        .nav-logo-text:hover {
            background: #f1f5f9;
            color: #1e293b;
        }
        .nav-logo-dot {
            display: inline-block;
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: #3b82f6;
            flex-shrink: 0;
        }
        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 0.4rem 0.9rem;
            border-radius: 999px;
            font-size: 0.875rem;
            font-weight: 500;
            color: #475569;
            transition: all 0.22s ease;
            text-decoration: none;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .nav-link:hover {
            background: #f1f5f9;
            color: #1e293b;
        }
        .nav-link.active {
            background: #2563eb;
            color: #ffffff;
            font-weight: 600;
            box-shadow: 0 2px 10px rgba(37, 99, 235, 0.3);
        }
        .nav-link.active:hover {
            background: #1d4ed8;
            color: #ffffff;
        }

        /* ========== 按钮 ========== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.4rem;
            padding: 0.6rem 1.5rem;
            border-radius: 999px;
            font-weight: 600;
            font-size: 0.9rem;
            background: #2563eb;
            color: #fff;
            transition: all 0.25s ease;
            box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
            text-decoration: none;
            white-space: nowrap;
            cursor: pointer;
            border: none;
            letter-spacing: 0.01em;
        }
        .btn-primary:hover {
            background: #1d4ed8;
            box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
            transform: translateY(-1px);
            color: #fff;
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.4rem;
            padding: 0.55rem 1.4rem;
            border-radius: 999px;
            font-weight: 600;
            font-size: 0.88rem;
            border: 2px solid #e2e8f0;
            background: #fff;
            color: #475569;
            transition: all 0.25s ease;
            text-decoration: none;
            white-space: nowrap;
            cursor: pointer;
        }
        .btn-outline:hover {
            border-color: #2563eb;
            color: #2563eb;
            background: #eff6ff;
            transform: translateY(-1px);
            box-shadow: var(--shadow);
        }

        /* ========== 卡片 ========== */
        .card-hover {
            transition: all 0.3s ease;
            cursor: pointer;
        }
        .card-hover:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: #0f172a;
            color: #cbd5e1;
            padding: 3rem 1.5rem 1.5rem;
            margin-top: 3rem;
        }
        .footer-brand {
            font-weight: 700;
            font-size: 1.2rem;
            color: #ffffff;
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }
        .footer-link {
            color: #94a3b8;
            font-size: 0.875rem;
            transition: color 0.2s;
            text-decoration: none;
        }
        .footer-link:hover {
            color: #60a5fa;
        }
        .footer-divider {
            border-top: 1px solid rgba(148, 163, 184, 0.2);
            margin: 1.5rem 0 1rem;
        }

        /* ========== 移动端菜单面板 ========== */
        #mobile-menu-panel {
            position: fixed;
            top: 0;
            right: 0;
            width: 100%;
            max-width: 380px;
            height: 100vh;
            height: 100dvh;
            background: #ffffff;
            z-index: 100;
            transform: translateX(100%);
            transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            box-shadow: var(--shadow-xl);
            padding: 1.5rem;
            overflow-y: auto;
            display: flex;
            flex-direction: column;
        }
        #mobile-menu-panel.open {
            transform: translateX(0);
        }
        #mobile-menu-overlay {
            position: fixed;
            inset: 0;
            background: rgba(15, 23, 42, 0.5);
            z-index: 99;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.3s ease;
        }
        #mobile-menu-overlay.open {
            opacity: 1;
            pointer-events: auto;
        }
        .mobile-nav-link {
            display: block;
            padding: 0.8rem 1rem;
            border-radius: var(--radius);
            font-size: 1rem;
            font-weight: 500;
            color: #334155;
            transition: all 0.2s;
            text-decoration: none;
            margin-bottom: 0.25rem;
        }
        .mobile-nav-link:hover {
            background: #f1f5f9;
            color: #1e293b;
        }
        .mobile-nav-link.active {
            background: #2563eb;
            color: #fff;
            font-weight: 600;
        }

        /* ========== Banner 背景叠加 ========== */
        .banner-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 23, 42, 0.55) 0%, rgba(15, 23, 42, 0.75) 100%);
            z-index: 1;
        }
        .banner-content {
            position: relative;
            z-index: 2;
        }

        /* ========== 标签 ========== */
        .tag-pill {
            display: inline-flex;
            align-items: center;
            padding: 0.25rem 0.75rem;
            border-radius: 999px;
            font-size: 0.78rem;
            font-weight: 500;
            letter-spacing: 0.01em;
        }
        .tag-hot {
            background: #fef2f2;
            color: #dc2626;
            border: 1px solid #fecaca;
        }
        .tag-new {
            background: #ecfdf5;
            color: #059669;
            border: 1px solid #a7f3d0;
        }
        .tag-featured {
            background: #eff6ff;
            color: #2563eb;
            border: 1px solid #bfdbfe;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .nav-capsule {
                border-radius: 28px;
                padding: 0.4rem 0.5rem;
            }
            .nav-link {
                font-size: 0.8rem;
                padding: 0.35rem 0.7rem;
            }
            .nav-logo-text {
                font-size: 1rem;
            }
        }
        @media (max-width: 768px) {
            .site-footer {
                padding: 2rem 1rem 1.2rem;
            }
            .banner-content h1 {
                font-size: 1.8rem;
            }
        }
        @media (max-width: 520px) {
            .nav-capsule {
                border-radius: 24px;
                padding: 0.35rem 0.4rem;
                gap: 0;
            }
            .nav-logo-text {
                font-size: 0.9rem;
                padding: 0.3rem 0.6rem;
            }
            .banner-content h1 {
                font-size: 1.4rem;
            }
            .btn-primary,
            .btn-outline {
                padding: 0.5rem 1.1rem;
                font-size: 0.8rem;
            }
        }