/* roulang page: index */
:root {
            --brand-500: #1e40af;
            --brand-600: #1e3a8a;
            --accent-500: #f97316;
            --accent-600: #ea580c;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 16px;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        * {
            box-sizing: border-box;
        }
        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', ui-sans-serif, system-ui, sans-serif;
            line-height: 1.7;
            background: #ffffff;
            color: #1e293b;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            transition: color var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }
        @media (min-width: 768px) {
            .container {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }
        @media (min-width: 1280px) {
            .container {
                padding-left: 2.5rem;
                padding-right: 2.5rem;
            }
        }

        /* 导航样式 */
        .nav-link {
            position: relative;
            font-weight: 500;
            padding: 0.5rem 0.25rem;
            color: #475569;
            transition: color var(--transition);
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--brand-500);
            border-radius: 2px;
            transition: width var(--transition);
        }
        .nav-link:hover {
            color: var(--brand-500);
        }
        .nav-link:hover::after {
            width: 100%;
        }
        .nav-link.active {
            color: var(--brand-500);
        }
        .nav-link.active::after {
            width: 100%;
        }

        /* Hero 区域 */
        .hero-section {
            position: relative;
            min-height: 92vh;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 50%, #172554 100%);
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.25;
            mix-blend-mode: overlay;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(30, 64, 175, 0.4) 0%, transparent 70%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.15);
            padding: 0.5rem 1.25rem;
            border-radius: 50px;
            color: #f1f5f9;
            font-size: 0.875rem;
            font-weight: 500;
        }

        /* 卡片通用 */
        .card {
            background: #ffffff;
            border-radius: var(--radius);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            transition: all var(--transition);
            border: 1px solid #f1f5f9;
        }
        .card:hover {
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
            transform: translateY(-4px);
            border-color: #e2e8f0;
        }
        .card-img {
            border-radius: var(--radius) var(--radius) 0 0;
            width: 100%;
            height: 200px;
            object-fit: cover;
        }
        .card-img-wide {
            height: 240px;
        }
        @media (min-width: 768px) {
            .card-img {
                height: 220px;
            }
            .card-img-wide {
                height: 280px;
            }
        }

        /* 分类卡片 */
        .category-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            min-height: 320px;
            display: flex;
            align-items: flex-end;
            transition: all var(--transition);
        }
        .category-card::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(0deg, rgba(15, 23, 42, 0.85) 0%, rgba(15, 23, 42, 0.1) 60%, transparent 100%);
            z-index: 1;
            transition: opacity var(--transition);
        }
        .category-card:hover::before {
            opacity: 0.9;
        }
        .category-card:hover {
            transform: scale(1.02);
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
        }
        .category-card .content {
            position: relative;
            z-index: 2;
            padding: 2rem;
            width: 100%;
        }
        .category-card .tag {
            display: inline-block;
            background: rgba(249, 115, 22, 0.9);
            color: #fff;
            padding: 0.25rem 1rem;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 0.75rem;
        }

        /* 统计数字 */
        .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            background: linear-gradient(135deg, var(--brand-500), var(--accent-500));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        @media (min-width: 768px) {
            .stat-number {
                font-size: 3.5rem;
            }
        }

        /* FAQ */
        .faq-item {
            border-bottom: 1px solid #e2e8f0;
            padding: 1.25rem 0;
            cursor: pointer;
            transition: all var(--transition);
        }
        .faq-item:first-child {
            padding-top: 0;
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            font-size: 1.05rem;
            color: #0f172a;
            gap: 1rem;
        }
        .faq-question .icon {
            flex-shrink: 0;
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: #f1f5f9;
            color: var(--brand-500);
            transition: all var(--transition);
            font-size: 0.85rem;
        }
        .faq-item.open .faq-question .icon {
            background: var(--brand-500);
            color: #fff;
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            color: #475569;
            font-size: 0.95rem;
            line-height: 1.8;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-top: 0.75rem;
        }

        /* 按钮 */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: var(--accent-500);
            color: #fff;
            padding: 0.8rem 2rem;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition);
            border: none;
            cursor: pointer;
            text-decoration: none;
        }
        .btn-primary:hover {
            background: var(--accent-600);
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(249, 115, 22, 0.35);
            color: #fff;
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: transparent;
            color: #fff;
            padding: 0.8rem 2rem;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            border: 2px solid rgba(255, 255, 255, 0.3);
            transition: all var(--transition);
            cursor: pointer;
            text-decoration: none;
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.6);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-primary:focus-visible,
        .btn-outline:focus-visible {
            outline: 3px solid var(--accent-400);
            outline-offset: 3px;
        }

        /* 移动端导航 */
        .mobile-menu {
            position: fixed;
            top: 0;
            right: -100%;
            width: 280px;
            height: 100vh;
            background: #ffffff;
            box-shadow: -10px 0 40px rgba(0, 0, 0, 0.1);
            z-index: 1000;
            transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            padding: 2rem 1.5rem;
            overflow-y: auto;
        }
        .mobile-menu.open {
            right: 0;
        }
        .mobile-overlay {
            position: fixed;
            inset: 0;
            background: rgba(15, 23, 42, 0.5);
            backdrop-filter: blur(4px);
            z-index: 999;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.4s ease;
        }
        .mobile-overlay.open {
            opacity: 1;
            pointer-events: auto;
        }
        .mobile-nav-link {
            display: block;
            padding: 0.9rem 0;
            font-size: 1.1rem;
            font-weight: 500;
            color: #1e293b;
            border-bottom: 1px solid #f1f5f9;
            transition: color var(--transition);
        }
        .mobile-nav-link:hover,
        .mobile-nav-link.active {
            color: var(--brand-500);
        }
        .mobile-nav-link.active {
            font-weight: 700;
        }

        /* 顶部信息条 */
        .top-bar {
            background: #0f172a;
            color: #94a3b8;
            font-size: 0.82rem;
            padding: 0.4rem 0;
        }
        .top-bar a {
            color: #cbd5e1;
        }
        .top-bar a:hover {
            color: #fff;
        }

        /* 页脚 */
        .footer {
            background: #0f172a;
            color: #cbd5e1;
        }
        .footer a {
            color: #94a3b8;
            transition: color var(--transition);
        }
        .footer a:hover {
            color: #f1f5f9;
        }
        .footer-heading {
            color: #f1f5f9;
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 1rem;
        }
        .footer-bottom {
            border-top: 1px solid #1e293b;
            padding: 1.5rem 0;
            font-size: 0.85rem;
            color: #64748b;
        }

        /* 内容列表CMS */
        .news-item {
            display: flex;
            gap: 1.25rem;
            padding: 1.25rem 0;
            border-bottom: 1px solid #f1f5f9;
            transition: background var(--transition);
        }
        .news-item:first-child {
            padding-top: 0;
        }
        .news-item:hover {
            background: #f8fafc;
            margin: 0 -1rem;
            padding-left: 1rem;
            padding-right: 1rem;
            border-radius: var(--radius-sm);
        }
        .news-thumb {
            flex-shrink: 0;
            width: 120px;
            height: 80px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            background: #e2e8f0;
        }
        @media (max-width: 520px) {
            .news-thumb {
                width: 90px;
                height: 66px;
            }
        }
        .news-tag {
            display: inline-block;
            background: #dbeafe;
            color: var(--brand-600);
            font-size: 0.75rem;
            padding: 0.15rem 0.75rem;
            border-radius: 50px;
            font-weight: 600;
        }

        /* 通用动画 */
        .fade-in-up {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }
        .fade-in-up.show {
            opacity: 1;
            transform: translateY(0);
        }

        /* 自定义滚动条 */
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: #f1f5f9;
        }
        ::-webkit-scrollbar-thumb {
            background: #94a3b8;
            border-radius: 8px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #64748b;
        }

        /* 选择高亮 */
        ::selection {
            background: #dbeafe;
            color: #1e3a8a;
        }

        /* CTA区块背景 */
        .cta-section {
            background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 50%, #172554 100%);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.15;
            mix-blend-mode: overlay;
        }

        /* 平台优势图标 */
        .feature-icon {
            width: 56px;
            height: 56px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius);
            font-size: 1.5rem;
            background: #eff6ff;
            color: var(--brand-500);
            transition: all var(--transition);
        }
        .card:hover .feature-icon {
            background: var(--brand-500);
            color: #fff;
            transform: scale(1.05);
        }

        /* 分隔线装饰 */
        .section-divider {
            width: 60px;
            height: 4px;
            background: linear-gradient(90deg, var(--brand-500), var(--accent-500));
            border-radius: 4px;
            margin: 0.5rem auto 1.5rem;
        }

        /* 图片圆角统一 */
        .rounded-custom {
            border-radius: var(--radius);
        }
        .rounded-custom-lg {
            border-radius: var(--radius-lg);
        }

        /* 文章卡片meta */
        .meta-item {
            display: flex;
            align-items: center;
            gap: 0.35rem;
            color: #94a3b8;
            font-size: 0.8rem;
        }

        /* 标签组 */
        .tag-pill {
            display: inline-block;
            padding: 0.25rem 1rem;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 500;
            background: #f1f5f9;
            color: #475569;
            transition: all var(--transition);
        }
        .tag-pill:hover {
            background: var(--brand-500);
            color: #fff;
        }

/* roulang page: article */
:root {
            --brand-50: #eff6ff;
            --brand-100: #dbeafe;
            --brand-200: #bfdbfe;
            --brand-300: #93c5fd;
            --brand-400: #60a5fa;
            --brand-500: #3b82f6;
            --brand-600: #2563eb;
            --brand-700: #1d4ed8;
            --brand-800: #1e40af;
            --brand-900: #1e3a8a;
            --accent-400: #fbbf24;
            --accent-500: #f59e0b;
            --gray-50: #f9fafb;
            --gray-100: #f3f4f6;
            --gray-200: #e5e7eb;
            --gray-300: #d1d5db;
            --gray-400: #9ca3af;
            --gray-500: #6b7280;
            --gray-600: #4b5563;
            --gray-700: #374151;
            --gray-800: #1f2937;
            --gray-900: #111827;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 16px;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
            --shadow: 0 4px 16px rgba(0,0,0,0.1);
            --shadow-lg: 0 12px 40px rgba(0,0,0,0.15);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        * { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            background: var(--gray-50);
            color: var(--gray-800);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a { color: inherit; text-decoration: none; transition: var(--transition); }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
        button { cursor: pointer; font-family: inherit; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
        .text-balance { text-wrap: balance; }

        /* Header & Nav */
        .top-bar {
            background: var(--gray-900);
            color: var(--gray-400);
            font-size: 0.75rem;
            padding: 6px 0;
            border-bottom: 1px solid rgba(255,255,255,0.05);
        }
        .top-bar .container { display: flex; justify-content: space-between; align-items: center; }
        .top-bar a { color: var(--gray-400); }
        .top-bar a:hover { color: white; }

        .main-header {
            background: rgba(15,23,42,0.97);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255,255,255,0.06);
            position: sticky; top: 0; z-index: 100;
            transition: var(--transition);
        }
        .main-header .container { display: flex; align-items: center; justify-content: space-between; height: 68px; }
        .logo-text {
            font-size: 1.35rem; font-weight: 900;
            background: linear-gradient(135deg, #fff 40%, var(--accent-400));
            -webkit-background-clip: text; -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.5px;
        }
        .logo-icon { color: var(--accent-400); -webkit-text-fill-color: initial; }
        .nav-link {
            color: var(--gray-300);
            font-weight: 500;
            padding: 6px 0;
            position: relative;
            letter-spacing: 0.3px;
            transition: var(--transition);
        }
        .nav-link::after {
            content: '';
            position: absolute; bottom: -2px; left: 0; right: 0;
            height: 2px; background: var(--accent-400);
            transform: scaleX(0); transition: transform 0.3s;
        }
        .nav-link:hover { color: white; }
        .nav-link:hover::after { transform: scaleX(1); }
        .nav-link.active { color: white; }
        .nav-link.active::after { transform: scaleX(1); }
        .btn-primary {
            display: inline-flex; align-items: center; gap: 8px;
            background: linear-gradient(135deg, var(--brand-600), var(--brand-700));
            color: white; font-weight: 600;
            padding: 10px 22px; border-radius: 9999px;
            border: none; transition: var(--transition);
            box-shadow: 0 4px 14px rgba(37,99,235,0.35);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(37,99,235,0.45);
            background: linear-gradient(135deg, var(--brand-500), var(--brand-600));
        }
        .btn-primary i { font-size: 0.9rem; }
        .btn-outline {
            display: inline-flex; align-items: center; gap: 8px;
            background: transparent; color: white;
            border: 2px solid rgba(255,255,255,0.25);
            padding: 10px 22px; border-radius: 9999px;
            font-weight: 600; transition: var(--transition);
        }
        .btn-outline:hover { border-color: white; background: rgba(255,255,255,0.08); transform: translateY(-2px); }

        /* Mobile nav */
        .mobile-menu-btn {
            display: none; background: none; border: none; color: white; font-size: 1.5rem; padding: 4px;
        }
        .mobile-nav {
            display: none; position: absolute; top: 100%; left: 0; right: 0;
            background: rgba(15,23,42,0.99); backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255,255,255,0.06);
            padding: 16px 24px; flex-direction: column; gap: 12px;
        }
        .mobile-nav.open { display: flex; }
        .mobile-nav a { color: var(--gray-300); padding: 8px 0; border-bottom: 1px solid rgba(255,255,255,0.04); font-weight: 500; }
        .mobile-nav a:hover { color: white; }
        .mobile-nav a.active { color: var(--accent-400); }

        /* Article hero */
        .article-hero {
            position: relative;
            min-height: 300px;
            display: flex; align-items: flex-end;
            background: linear-gradient(135deg, var(--gray-900) 0%, #0f172a 60%, #1e293b 100%);
            overflow: hidden;
        }
        .article-hero-bg {
            position: absolute; inset: 0;
            background-size: cover; background-position: center;
            opacity: 0.2; mix-blend-mode: overlay;
        }
        .article-hero-overlay {
            position: absolute; inset: 0;
            background: linear-gradient(to top, rgba(15,23,42,0.95) 0%, rgba(15,23,42,0.3) 100%);
        }
        .article-hero-content { position: relative; z-index: 2; padding: 60px 0 48px; width: 100%; }

        /* Article body */
        .article-body h2 { font-size: 1.6rem; font-weight: 700; margin-top: 2rem; margin-bottom: 1rem; color: var(--gray-900); }
        .article-body h3 { font-size: 1.25rem; font-weight: 600; margin-top: 1.6rem; margin-bottom: 0.75rem; color: var(--gray-800); }
        .article-body p { margin-bottom: 1.25rem; color: var(--gray-600); line-height: 1.8; }
        .article-body ul, .article-body ol { margin-bottom: 1.25rem; padding-left: 1.5rem; color: var(--gray-600); }
        .article-body li { margin-bottom: 0.5rem; }
        .article-body img { border-radius: var(--radius); margin: 1.5rem 0; box-shadow: var(--shadow); }
        .article-body blockquote {
            border-left: 4px solid var(--brand-500);
            background: var(--gray-100);
            padding: 1rem 1.5rem; margin: 1.5rem 0; border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--gray-700); font-style: italic;
        }
        .article-body a { color: var(--brand-600); text-decoration: underline; text-underline-offset: 2px; }
        .article-body a:hover { color: var(--brand-800); }

        /* Sidebar */
        .sidebar-card {
            background: white; border-radius: var(--radius);
            box-shadow: var(--shadow-sm); padding: 24px;
            border: 1px solid var(--gray-200);
        }
        .sidebar-card h3 {
            font-size: 1.05rem; font-weight: 700; color: var(--gray-900);
            padding-bottom: 12px; margin-bottom: 16px;
            border-bottom: 2px solid var(--gray-100);
        }

        /* Tags */
        .tag {
            display: inline-block; background: var(--gray-100); color: var(--gray-600);
            padding: 4px 14px; border-radius: 9999px; font-size: 0.8rem; font-weight: 500;
            transition: var(--transition);
        }
        .tag:hover { background: var(--brand-100); color: var(--brand-700); }

        /* Footer */
        .footer {
            background: var(--gray-900); color: var(--gray-400);
            border-top: 1px solid rgba(255,255,255,0.05);
        }
        .footer-heading { font-size: 0.9rem; font-weight: 700; color: white; margin-bottom: 1rem; text-transform: uppercase; letter-spacing: 0.5px; }
        .footer a { color: var(--gray-400); }
        .footer a:hover { color: white; }
        .footer-bottom { border-top: 1px solid rgba(255,255,255,0.06); padding: 20px 0; font-size: 0.8rem; text-align: center; color: var(--gray-500); }

        /* Breadcrumb */
        .breadcrumb { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; font-size: 0.85rem; color: var(--gray-400); }
        .breadcrumb a { color: var(--gray-400); }
        .breadcrumb a:hover { color: white; }
        .breadcrumb .sep { color: var(--gray-600); }

        /* Skeleton loading */
        .skeleton { background: linear-gradient(90deg, var(--gray-200) 25%, var(--gray-100) 50%, var(--gray-200) 75%); background-size: 200% 100%; animation: shimmer 1.5s infinite; border-radius: var(--radius-sm); }
        @keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

        /* Responsive */
        @media (max-width: 1024px) {
            .article-hero { min-height: 240px; }
            .article-hero-content { padding: 40px 0 32px; }
        }
        @media (max-width: 768px) {
            .container { padding: 0 16px; }
            .main-header .container { height: 60px; }
            .logo-text { font-size: 1.1rem; }
            .desktop-nav { display: none !important; }
            .mobile-menu-btn { display: block; }
            .article-hero { min-height: 200px; }
            .article-hero-content { padding: 32px 0 24px; }
            .article-hero-content h1 { font-size: 1.5rem !important; }
            .article-body h2 { font-size: 1.3rem; }
            .article-body h3 { font-size: 1.1rem; }
            .sidebar-card { margin-top: 2rem; }
            .footer .grid { gap: 2rem; }
        }
        @media (max-width: 520px) {
            .top-bar .container { flex-direction: column; gap: 2px; font-size: 0.7rem; }
            .article-hero { min-height: 170px; }
            .article-hero-content h1 { font-size: 1.25rem !important; }
            .btn-primary, .btn-outline { padding: 8px 16px; font-size: 0.85rem; }
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --brand-900: #0b1120;
            --brand-800: #111827;
            --brand-700: #1e293b;
            --brand-600: #1d4ed8;
            --brand-500: #2563eb;
            --brand-400: #3b82f6;
            --accent-500: #d97706;
            --accent-400: #f59e0b;
            --accent-300: #fbbf24;
            --gray-900: #0f172a;
            --gray-800: #1e293b;
            --gray-700: #334155;
            --gray-600: #475569;
            --gray-500: #64748b;
            --gray-400: #94a3b8;
            --gray-300: #cbd5e1;
            --gray-200: #e2e8f0;
            --gray-100: #f1f5f9;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 16px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.4);
            --transition: 0.25s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Noto Sans SC', sans-serif;
            background: var(--gray-900);
            color: var(--gray-200);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

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

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

        button,
        input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            transition: var(--transition);
        }

        /* ===== 容器 ===== */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        @media (min-width: 768px) {
            .container {
                padding-left: 32px;
                padding-right: 32px;
            }
        }

        /* ===== 顶部信息条 ===== */
        .topbar {
            background: rgba(11, 17, 32, 0.95);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            padding: 8px 0;
            font-size: 13px;
            color: var(--gray-400);
        }

        .topbar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
        }

        .topbar-info {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .topbar-info i {
            color: var(--accent-400);
            margin-right: 4px;
            font-size: 12px;
        }

        .topbar-links {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .topbar-links a {
            color: var(--gray-400);
            transition: var(--transition);
        }

        .topbar-links a:hover {
            color: var(--accent-300);
        }

        /* ===== 导航 ===== */
        .navbar {
            background: rgba(11, 17, 32, 0.98);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            padding: 12px 0;
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .navbar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }

        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.3px;
        }

        .navbar-brand i {
            color: var(--accent-400);
            font-size: 24px;
        }

        .nav-link {
            color: var(--gray-400);
            font-weight: 500;
            padding: 6px 0;
            position: relative;
            letter-spacing: 0.3px;
            font-size: 13px;
            transition: var(--transition);
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-400);
            transition: var(--transition);
            border-radius: 2px;
        }

        .nav-link:hover {
            color: #fff;
        }

        .nav-link:hover::after {
            width: 100%;
        }

        .nav-link.active {
            color: #fff;
        }

        .nav-link.active::after {
            width: 100%;
            background: var(--accent-400);
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent-500);
            color: #fff;
            font-weight: 600;
            border-radius: var(--radius-sm);
            padding: 10px 22px;
            font-size: 14px;
            transition: var(--transition);
            border: none;
            cursor: pointer;
        }

        .btn-primary:hover {
            background: var(--accent-400);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(217, 119, 6, 0.35);
        }

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

        .btn-primary i {
            font-size: 16px;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 1.5px solid var(--gray-600);
            color: var(--gray-300);
            font-weight: 500;
            border-radius: var(--radius-sm);
            padding: 10px 22px;
            font-size: 14px;
            transition: var(--transition);
            background: transparent;
            cursor: pointer;
        }

        .btn-outline:hover {
            border-color: var(--accent-400);
            color: var(--accent-300);
            background: rgba(245, 158, 11, 0.06);
        }

        .btn-outline i {
            font-size: 14px;
        }

        /* ===== 移动端菜单按钮 ===== */
        .menu-toggle {
            background: transparent;
            color: #fff;
            font-size: 24px;
            padding: 4px 8px;
            border-radius: 6px;
            cursor: pointer;
            display: none;
        }

        .menu-toggle:hover {
            background: rgba(255, 255, 255, 0.05);
        }

        @media (max-width: 767px) {
            .menu-toggle {
                display: block;
            }
            .nav-desktop {
                display: none !important;
            }
            .nav-mobile {
                display: flex;
                flex-direction: column;
                width: 100%;
                gap: 8px;
                padding-top: 16px;
                border-top: 1px solid rgba(255, 255, 255, 0.06);
                margin-top: 12px;
            }
            .nav-mobile .nav-link {
                padding: 10px 0;
                font-size: 15px;
            }
            .nav-mobile .btn-primary {
                width: 100%;
                justify-content: center;
                margin-top: 8px;
            }
        }

        @media (min-width: 768px) {
            .nav-mobile {
                display: none !important;
            }
            .nav-desktop {
                display: flex !important;
            }
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            background: var(--brand-900);
            overflow: hidden;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.35;
            z-index: 1;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 17, 32, 0.92) 40%, rgba(11, 17, 32, 0.6) 80%, transparent 100%);
            z-index: 2;
        }

        .hero-content {
            position: relative;
            z-index: 3;
            padding: 60px 0;
            max-width: 700px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(245, 158, 11, 0.15);
            color: var(--accent-300);
            font-size: 13px;
            font-weight: 500;
            padding: 4px 14px;
            border-radius: 20px;
            border: 1px solid rgba(245, 158, 11, 0.2);
            margin-bottom: 16px;
        }

        .hero h1 {
            font-size: clamp(32px, 5vw, 56px);
            font-weight: 800;
            line-height: 1.15;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .hero h1 span {
            color: var(--accent-400);
        }

        .hero p {
            font-size: 18px;
            color: var(--gray-400);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 560px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        /* ===== 板块通用 ===== */
        .section {
            padding: 64px 0;
        }

        .section-dark {
            background: var(--brand-800);
        }

        .section-darker {
            background: var(--brand-900);
        }

        .section-header {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 44px;
        }

        .section-header h2 {
            font-size: clamp(26px, 3.6vw, 36px);
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }

        .section-header p {
            color: var(--gray-400);
            font-size: 16px;
            line-height: 1.7;
        }

        .section-header .label {
            display: inline-block;
            background: rgba(59, 130, 246, 0.12);
            color: var(--brand-400);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 20px;
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 10px;
        }

        .divider {
            width: 60px;
            height: 3px;
            background: var(--accent-500);
            border-radius: 4px;
            margin: 0 auto 16px;
        }

        /* ===== 卡片网格 ===== */
        .grid-cards {
            display: grid;
            grid-template-columns: 1fr;
            gap: 24px;
        }

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

        @media (min-width: 1024px) {
            .grid-cards {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        .card {
            background: var(--brand-700);
            border-radius: var(--radius);
            overflow: hidden;
            transition: var(--transition);
            border: 1px solid rgba(255, 255, 255, 0.04);
            display: flex;
            flex-direction: column;
        }

        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(245, 158, 11, 0.15);
        }

        .card-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            display: block;
            background: var(--brand-600);
        }

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

        .card-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: rgba(59, 130, 246, 0.12);
            color: var(--brand-400);
            font-size: 11px;
            font-weight: 600;
            padding: 2px 10px;
            border-radius: 12px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 10px;
            width: fit-content;
        }

        .card-tag.live {
            background: rgba(239, 68, 68, 0.15);
            color: #ef4444;
        }

        .card-tag.hot {
            background: rgba(245, 158, 11, 0.15);
            color: var(--accent-300);
        }

        .card h3 {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
            line-height: 1.3;
        }

        .card .meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--gray-500);
            margin-bottom: 10px;
        }

        .card .meta i {
            margin-right: 3px;
            font-size: 12px;
            color: var(--gray-500);
        }

        .card p {
            font-size: 14px;
            color: var(--gray-400);
            line-height: 1.6;
            flex: 1;
        }

        .card .btn-text {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--accent-400);
            font-weight: 600;
            font-size: 14px;
            margin-top: 14px;
            transition: var(--transition);
        }

        .card .btn-text:hover {
            gap: 10px;
            color: var(--accent-300);
        }

        /* ===== 赛程表 ===== */
        .schedule-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .schedule-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 20px;
            background: var(--brand-700);
            border-radius: var(--radius-sm);
            border-left: 3px solid var(--accent-500);
            margin-bottom: 12px;
            transition: var(--transition);
            border: 1px solid rgba(255, 255, 255, 0.04);
            border-left-width: 3px;
            border-left-color: var(--accent-500);
        }

        .schedule-item:hover {
            background: rgba(30, 41, 59, 0.9);
            transform: translateX(4px);
        }

        .schedule-time {
            font-size: 14px;
            font-weight: 700;
            color: var(--accent-300);
            min-width: 80px;
            font-variant-numeric: tabular-nums;
        }

        .schedule-info {
            flex: 1;
        }

        .schedule-info .match {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
        }

        .schedule-info .league {
            font-size: 13px;
            color: var(--gray-500);
        }

        .schedule-status {
            font-size: 13px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 12px;
            background: rgba(34, 197, 94, 0.12);
            color: #22c55e;
        }

        .schedule-status.soon {
            background: rgba(245, 158, 11, 0.12);
            color: var(--accent-300);
        }

        /* ===== 排行 ===== */
        .rank-list {
            max-width: 700px;
            margin: 0 auto;
            counter-reset: rank;
        }

        .rank-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 14px 18px;
            background: var(--brand-700);
            border-radius: var(--radius-sm);
            margin-bottom: 10px;
            border: 1px solid rgba(255, 255, 255, 0.04);
            transition: var(--transition);
        }

        .rank-item:hover {
            background: rgba(30, 41, 59, 0.9);
            transform: translateX(4px);
        }

        .rank-num {
            font-size: 20px;
            font-weight: 800;
            color: var(--gray-600);
            min-width: 32px;
            text-align: center;
        }

        .rank-item:nth-child(1) .rank-num {
            color: var(--accent-400);
        }
        .rank-item:nth-child(2) .rank-num {
            color: var(--gray-300);
        }
        .rank-item:nth-child(3) .rank-num {
            color: #d97706;
        }

        .rank-info {
            flex: 1;
        }

        .rank-info .title {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
        }

        .rank-info .sub {
            font-size: 13px;
            color: var(--gray-500);
        }

        .rank-stats {
            font-size: 14px;
            font-weight: 600;
            color: var(--accent-300);
        }

        /* ===== 特色功能 ===== */
        .features-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 24px;
        }

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

        @media (min-width: 1024px) {
            .features-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        .feature-card {
            background: var(--brand-700);
            border-radius: var(--radius);
            padding: 28px 24px;
            border: 1px solid rgba(255, 255, 255, 0.04);
            transition: var(--transition);
            text-align: center;
        }

        .feature-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow);
            border-color: rgba(245, 158, 11, 0.12);
        }

        .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(59, 130, 246, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 24px;
            color: var(--accent-400);
        }

        .feature-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }

        .feature-card p {
            font-size: 14px;
            color: var(--gray-400);
            line-height: 1.6;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 740px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--brand-700);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            border: 1px solid rgba(255, 255, 255, 0.04);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(245, 158, 11, 0.1);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            cursor: pointer;
            background: transparent;
            width: 100%;
            text-align: left;
            border: none;
            transition: var(--transition);
        }

        .faq-question:hover {
            color: var(--accent-300);
        }

        .faq-question i {
            font-size: 14px;
            color: var(--gray-500);
            transition: var(--transition);
        }

        .faq-question.open i {
            transform: rotate(180deg);
            color: var(--accent-400);
        }

        .faq-answer {
            padding: 0 20px 16px;
            font-size: 14px;
            color: var(--gray-400);
            line-height: 1.7;
            display: none;
        }

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

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--brand-800), var(--brand-900));
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

        .cta-box {
            background: var(--brand-700);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            text-align: center;
            border: 1px solid rgba(245, 158, 11, 0.08);
            position: relative;
            overflow: hidden;
        }

        .cta-box::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -30%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.04), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-box h2 {
            font-size: clamp(24px, 3vw, 32px);
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .cta-box p {
            font-size: 16px;
            color: var(--gray-400);
            max-width: 500px;
            margin: 0 auto 24px;
        }

        .cta-box .btn-primary {
            font-size: 16px;
            padding: 14px 34px;
        }

        /* ===== 页脚 ===== */
        .footer {
            background: var(--brand-900);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
        }

        .footer-heading {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 16px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-heading::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 28px;
            height: 2px;
            background: var(--accent-500);
            border-radius: 2px;
        }

        .footer a {
            color: var(--gray-500);
            transition: var(--transition);
        }

        .footer a:hover {
            color: #fff;
        }

        .footer ul {
            list-style: none;
        }

        .footer ul li {
            margin-bottom: 6px;
            font-size: 14px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
            color: var(--gray-600);
        }

        /* ===== 响应式辅助 ===== */
        @media (max-width: 639px) {
            .section {
                padding: 44px 0;
            }
            .hero {
                min-height: 340px;
            }
            .hero-content {
                padding: 36px 0;
            }
            .cta-box {
                padding: 32px 20px;
            }
            .schedule-item {
                flex-wrap: wrap;
                gap: 8px;
            }
            .schedule-time {
                min-width: 60px;
            }
        }

        @media (max-width: 1023px) and (min-width: 640px) {
            .grid-cards {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        /* ===== 滚动条美化 ===== */
        ::-webkit-scrollbar {
            width: 6px;
        }

        ::-webkit-scrollbar-track {
            background: var(--brand-900);
        }

        ::-webkit-scrollbar-thumb {
            background: var(--gray-600);
            border-radius: 4px;
        }

        ::-webkit-scrollbar-thumb:hover {
            background: var(--gray-500);
        }

        /* ===== 选中颜色 ===== */
        ::selection {
            background: rgba(245, 158, 11, 0.25);
            color: #fff;
        }

/* roulang page: category2 */
:root {
            --brand-50: #eef2ff;
            --brand-100: #e0e7ff;
            --brand-200: #c7d2fe;
            --brand-300: #a5b4fc;
            --brand-400: #818cf8;
            --brand-500: #6366f1;
            --brand-600: #4f46e5;
            --brand-700: #4338ca;
            --brand-800: #3730a3;
            --brand-900: #312e81;
            --accent-400: #fbbf24;
            --accent-500: #f59e0b;
            --gray-50: #f9fafb;
            --gray-100: #f3f4f6;
            --gray-200: #e5e7eb;
            --gray-300: #d1d5db;
            --gray-400: #9ca3af;
            --gray-500: #6b7280;
            --gray-600: #4b5563;
            --gray-700: #374151;
            --gray-800: #1f2937;
            --gray-900: #111827;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
            --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);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            background: var(--gray-50);
            color: var(--gray-800);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }

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

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            transition: var(--transition);
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

        /* ===== 顶部信息条 ===== */
        .top-bar {
            background: var(--gray-900);
            color: var(--gray-400);
            font-size: 0.8rem;
            padding: 0.4rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .top-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.25rem 1rem;
        }

        .top-bar a {
            color: var(--gray-400);
        }

        .top-bar a:hover {
            color: #fff;
        }

        /* ===== 导航 ===== */
        .header-main {
            background: rgba(17, 24, 39, 0.98);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 0.6rem 0;
        }

        .header-main .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 1.35rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
        }

        .logo i {
            color: var(--accent-400);
            font-size: 1.5rem;
        }

        .logo span {
            background: linear-gradient(135deg, #fff 60%, var(--brand-300));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .nav-link {
            color: var(--gray-300);
            font-weight: 500;
            padding: 0.4rem 0.2rem;
            position: relative;
            letter-spacing: 0.5px;
            transition: var(--transition);
            font-size: 0.85rem;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-400);
            border-radius: 2px;
            transition: var(--transition);
        }

        .nav-link:hover {
            color: #fff;
        }

        .nav-link:hover::after {
            width: 100%;
        }

        .nav-link.active {
            color: #fff;
        }

        .nav-link.active::after {
            width: 100%;
            background: var(--accent-400);
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: linear-gradient(135deg, var(--brand-500), var(--brand-700));
            color: #fff;
            font-weight: 600;
            padding: 0.6rem 1.4rem;
            border-radius: 9999px;
            border: none;
            cursor: pointer;
            font-size: 0.85rem;
            transition: var(--transition);
            box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35);
            letter-spacing: 0.3px;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(99, 102, 241, 0.5);
            background: linear-gradient(135deg, var(--brand-400), var(--brand-600));
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
        }

        .btn-primary:focus-visible {
            outline: 2px solid var(--accent-400);
            outline-offset: 3px;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: transparent;
            color: #fff;
            font-weight: 600;
            padding: 0.6rem 1.4rem;
            border-radius: 9999px;
            border: 2px solid rgba(255, 255, 255, 0.25);
            cursor: pointer;
            font-size: 0.85rem;
            transition: var(--transition);
            letter-spacing: 0.3px;
        }

        .btn-outline:hover {
            border-color: var(--accent-400);
            color: var(--accent-400);
            background: rgba(251, 191, 36, 0.08);
            transform: translateY(-2px);
        }

        .btn-outline:focus-visible {
            outline: 2px solid var(--accent-400);
            outline-offset: 3px;
        }

        /* 移动端菜单按钮 */
        .menu-toggle {
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 0.2rem 0.4rem;
            transition: var(--transition);
            display: flex;
            align-items: center;
        }

        .menu-toggle:hover {
            color: var(--accent-400);
        }

        .mobile-menu {
            display: none;
            width: 100%;
            padding-top: 1rem;
            padding-bottom: 0.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            flex-direction: column;
            gap: 0.6rem;
        }

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

        .mobile-menu .nav-link {
            padding: 0.5rem 0;
            font-size: 1rem;
        }

        .mobile-menu .btn-primary {
            align-self: flex-start;
            margin-top: 0.4rem;
        }

        /* ===== 页面Banner ===== */
        .page-banner {
            background: linear-gradient(135deg, var(--gray-900) 0%, #1a1a2e 60%, var(--gray-800) 100%);
            position: relative;
            overflow: hidden;
            min-height: 280px;
            display: flex;
            align-items: center;
            padding: 4rem 0 3.5rem;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.15;
            mix-blend-mode: overlay;
        }

        .page-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(99, 102, 241, 0.15) 0%, transparent 70%);
        }

        .page-banner .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }

        .page-banner h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            line-height: 1.2;
            margin-bottom: 0.8rem;
        }

        .page-banner h1 i {
            color: var(--accent-400);
            margin-right: 0.5rem;
        }

        .page-banner p {
            font-size: 1.1rem;
            color: var(--gray-300);
            max-width: 640px;
            margin: 0 auto 1.2rem;
            line-height: 1.7;
        }

        .page-banner .breadcrumb {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            font-size: 0.85rem;
            color: var(--gray-400);
        }

        .page-banner .breadcrumb a {
            color: var(--gray-300);
        }

        .page-banner .breadcrumb a:hover {
            color: var(--accent-400);
        }

        .page-banner .breadcrumb .sep {
            color: var(--gray-500);
        }

        .page-banner .breadcrumb .current {
            color: var(--accent-400);
        }

        /* ===== 分类标签栏 ===== */
        .category-tabs {
            background: #fff;
            border-bottom: 1px solid var(--gray-200);
            padding: 1rem 0;
            position: sticky;
            top: 68px;
            z-index: 50;
            box-shadow: var(--shadow-sm);
        }

        .category-tabs .container {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-wrap: wrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

        .category-tabs .container::-webkit-scrollbar {
            display: none;
        }

        .cat-tag {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.45rem 1.1rem;
            border-radius: 9999px;
            font-size: 0.82rem;
            font-weight: 500;
            color: var(--gray-600);
            background: var(--gray-100);
            border: 1px solid transparent;
            transition: var(--transition);
            white-space: nowrap;
            cursor: pointer;
        }

        .cat-tag:hover {
            background: var(--brand-50);
            color: var(--brand-700);
            border-color: var(--brand-200);
        }

        .cat-tag.active {
            background: var(--brand-600);
            color: #fff;
            border-color: var(--brand-600);
            box-shadow: 0 2px 10px rgba(79, 70, 229, 0.3);
        }

        .cat-tag i {
            font-size: 0.75rem;
        }

        /* ===== 文章卡片网格 ===== */
        .section-news {
            padding: 3rem 0 4rem;
        }

        .news-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
        }

        .news-card {
            background: #fff;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--gray-100);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .news-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--gray-200);
        }

        .news-card .card-img {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/9;
            background: var(--gray-200);
        }

        .news-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

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

        .news-card .card-img .badge {
            position: absolute;
            top: 0.75rem;
            left: 0.75rem;
            background: linear-gradient(135deg, var(--brand-600), var(--brand-800));
            color: #fff;
            font-size: 0.7rem;
            font-weight: 600;
            padding: 0.25rem 0.7rem;
            border-radius: 9999px;
            letter-spacing: 0.3px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
        }

        .news-card .card-img .date-tag {
            position: absolute;
            bottom: 0.75rem;
            right: 0.75rem;
            background: rgba(0, 0, 0, 0.7);
            backdrop-filter: blur(4px);
            color: #fff;
            font-size: 0.7rem;
            padding: 0.2rem 0.6rem;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }

        .news-card .card-body {
            padding: 1.2rem 1.2rem 1.4rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .news-card .card-body .meta {
            display: flex;
            align-items: center;
            gap: 0.8rem;
            font-size: 0.75rem;
            color: var(--gray-400);
            margin-bottom: 0.5rem;
            flex-wrap: wrap;
        }

        .news-card .card-body .meta span {
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }

        .news-card .card-body .meta .tag {
            background: var(--brand-50);
            color: var(--brand-700);
            padding: 0.1rem 0.5rem;
            border-radius: 9999px;
            font-weight: 500;
            font-size: 0.7rem;
        }

        .news-card .card-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--gray-900);
            line-height: 1.4;
            margin-bottom: 0.5rem;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card .card-body h3 a:hover {
            color: var(--brand-600);
        }

        .news-card .card-body p {
            font-size: 0.88rem;
            color: var(--gray-500);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 0.8rem;
            flex: 1;
        }

        .news-card .card-body .read-more {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--brand-600);
            transition: var(--transition);
            align-self: flex-start;
        }

        .news-card .card-body .read-more:hover {
            color: var(--brand-800);
            gap: 0.7rem;
        }

        /* ===== 特色文章（大图） ===== */
        .featured-article {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--gray-100);
            transition: var(--transition);
            display: grid;
            grid-template-columns: 1fr 1fr;
            margin-bottom: 2rem;
        }

        .featured-article:hover {
            box-shadow: var(--shadow-xl);
            transform: translateY(-2px);
        }

        .featured-article .feat-img {
            aspect-ratio: 4/3;
            overflow: hidden;
            background: var(--gray-200);
            position: relative;
        }

        .featured-article .feat-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .featured-article:hover .feat-img img {
            transform: scale(1.05);
        }

        .featured-article .feat-img .badge-lg {
            position: absolute;
            top: 1rem;
            left: 1rem;
            background: linear-gradient(135deg, var(--accent-500), var(--accent-400));
            color: var(--gray-900);
            font-weight: 700;
            font-size: 0.75rem;
            padding: 0.3rem 1rem;
            border-radius: 9999px;
            box-shadow: 0 2px 10px rgba(251, 191, 36, 0.3);
        }

        .featured-article .feat-body {
            padding: 1.8rem 2rem;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .featured-article .feat-body .meta {
            display: flex;
            align-items: center;
            gap: 1rem;
            font-size: 0.8rem;
            color: var(--gray-400);
            margin-bottom: 0.6rem;
            flex-wrap: wrap;
        }

        .featured-article .feat-body .meta .tag {
            background: var(--brand-50);
            color: var(--brand-700);
            padding: 0.15rem 0.6rem;
            border-radius: 9999px;
            font-weight: 600;
            font-size: 0.7rem;
        }

        .featured-article .feat-body h2 {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--gray-900);
            line-height: 1.3;
            margin-bottom: 0.6rem;
        }

        .featured-article .feat-body h2 a:hover {
            color: var(--brand-600);
        }

        .featured-article .feat-body p {
            font-size: 0.95rem;
            color: var(--gray-500);
            line-height: 1.7;
            margin-bottom: 1rem;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .featured-article .feat-body .btn-text {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            font-weight: 600;
            color: var(--brand-600);
            font-size: 0.88rem;
            align-self: flex-start;
        }

        .featured-article .feat-body .btn-text:hover {
            color: var(--brand-800);
            gap: 0.7rem;
        }

        /* ===== 分页 ===== */
        .pagination-wrap {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.4rem;
            margin-top: 2.5rem;
            flex-wrap: wrap;
        }

        .page-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 2.4rem;
            height: 2.4rem;
            padding: 0 0.6rem;
            border-radius: var(--radius-sm);
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--gray-600);
            background: #fff;
            border: 1px solid var(--gray-200);
            transition: var(--transition);
            cursor: pointer;
        }

        .page-btn:hover {
            background: var(--brand-50);
            border-color: var(--brand-300);
            color: var(--brand-700);
        }

        .page-btn.active {
            background: var(--brand-600);
            border-color: var(--brand-600);
            color: #fff;
            box-shadow: 0 2px 10px rgba(79, 70, 229, 0.25);
        }

        .page-btn.disabled {
            opacity: 0.4;
            pointer-events: none;
        }

        /* ===== 热门话题 ===== */
        .section-topics {
            padding: 2.5rem 0 3rem;
            background: #fff;
        }

        .topics-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
            gap: 0.8rem;
        }

        .topic-item {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            padding: 0.7rem 1rem;
            border-radius: var(--radius-sm);
            background: var(--gray-50);
            border: 1px solid var(--gray-100);
            transition: var(--transition);
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--gray-700);
        }

        .topic-item:hover {
            background: var(--brand-50);
            border-color: var(--brand-200);
            color: var(--brand-700);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }

        .topic-item i {
            color: var(--accent-500);
            font-size: 0.8rem;
        }

        .topic-item .hot {
            margin-left: auto;
            font-size: 0.65rem;
            background: #fef2f2;
            color: #ef4444;
            padding: 0.1rem 0.5rem;
            border-radius: 9999px;
            font-weight: 600;
        }

        /* ===== 订阅区块 ===== */
        .section-cta {
            padding: 3.5rem 0;
            background: linear-gradient(135deg, var(--gray-900) 0%, #1a1a2e 100%);
            position: relative;
            overflow: hidden;
        }

        .section-cta::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            opacity: 0.08;
            mix-blend-mode: overlay;
        }

        .section-cta .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }

        .section-cta h2 {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 0.6rem;
        }

        .section-cta p {
            color: var(--gray-300);
            max-width: 560px;
            margin: 0 auto 1.5rem;
            font-size: 1rem;
        }

        .cta-form {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.6rem;
            flex-wrap: wrap;
            max-width: 500px;
            margin: 0 auto;
        }

        .cta-form input[type="email"] {
            flex: 1;
            min-width: 200px;
            padding: 0.7rem 1.2rem;
            border-radius: 9999px;
            border: 2px solid rgba(255, 255, 255, 0.15);
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
            font-size: 0.9rem;
            outline: none;
            transition: var(--transition);
        }

        .cta-form input[type="email"]::placeholder {
            color: var(--gray-400);
        }

        .cta-form input[type="email"]:focus {
            border-color: var(--accent-400);
            background: rgba(255, 255, 255, 0.1);
            box-shadow: 0 0 0 3px rgba(251, 191, 36, 0.15);
        }

        /* ===== 页脚 ===== */
        .footer {
            background: var(--gray-900);
            color: var(--gray-400);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .footer-heading {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1rem;
            letter-spacing: 0.3px;
        }

        .footer a {
            color: var(--gray-400);
        }

        .footer a:hover {
            color: var(--accent-400);
        }

        .footer ul li {
            margin-bottom: 0.4rem;
        }

        .footer ul li a {
            font-size: 0.85rem;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 1.2rem 0;
            text-align: center;
            font-size: 0.78rem;
            color: var(--gray-500);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .page-banner h1 {
                font-size: 2.2rem;
            }
            .featured-article {
                grid-template-columns: 1fr;
            }
            .featured-article .feat-img {
                aspect-ratio: 16/9;
            }
            .featured-article .feat-body {
                padding: 1.4rem 1.5rem;
            }
            .featured-article .feat-body h2 {
                font-size: 1.3rem;
            }
        }

        @media (max-width: 768px) {
            .header-main .container {
                flex-wrap: nowrap;
            }
            .nav-desktop {
                display: none !important;
            }
            .menu-toggle {
                display: flex !important;
            }
            .page-banner {
                min-height: 220px;
                padding: 3rem 0 2.5rem;
            }
            .page-banner h1 {
                font-size: 1.8rem;
            }
            .page-banner p {
                font-size: 0.95rem;
            }
            .category-tabs {
                top: 60px;
                padding: 0.7rem 0;
            }
            .cat-tag {
                font-size: 0.75rem;
                padding: 0.35rem 0.9rem;
            }
            .news-grid {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }
            .featured-article .feat-body h2 {
                font-size: 1.15rem;
            }
            .section-cta h2 {
                font-size: 1.5rem;
            }
            .topics-grid {
                grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
            }
            .footer .grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 520px) {
            .top-bar .container {
                justify-content: center;
                font-size: 0.7rem;
            }
            .top-bar .container> :last-child {
                display: none;
            }
            .logo {
                font-size: 1.1rem;
            }
            .logo i {
                font-size: 1.2rem;
            }
            .page-banner h1 {
                font-size: 1.5rem;
            }
            .page-banner p {
                font-size: 0.85rem;
            }
            .news-card .card-body h3 {
                font-size: 0.95rem;
            }
            .featured-article .feat-body {
                padding: 1rem 1.2rem;
            }
            .featured-article .feat-body h2 {
                font-size: 1.05rem;
            }
            .cta-form {
                flex-direction: column;
                align-items: stretch;
            }
            .cta-form input[type="email"] {
                min-width: auto;
            }
            .footer .grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .pagination-wrap {
                gap: 0.3rem;
            }
            .page-btn {
                min-width: 2rem;
                height: 2rem;
                font-size: 0.75rem;
                padding: 0 0.4rem;
            }
        }

        @media (min-width: 769px) {
            .menu-toggle {
                display: none !important;
            }
            .mobile-menu {
                display: none !important;
            }
        }

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

        @media (min-width: 1024px) {
            .news-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        /* 滚动条美化 */
        ::-webkit-scrollbar {
            width: 6px;
            height: 6px;
        }

        ::-webkit-scrollbar-track {
            background: var(--gray-100);
        }

        ::-webkit-scrollbar-thumb {
            background: var(--gray-300);
            border-radius: 3px;
        }

        ::-webkit-scrollbar-thumb:hover {
            background: var(--gray-400);
        }

        /* 选中颜色 */
        ::selection {
            background: var(--brand-500);
            color: #fff;
        }