/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --color-bg: #0a0e17;
            --color-surface: #111827;
            --color-surface-2: #1a2332;
            --color-surface-3: #1e293b;
            --color-primary: #00e5ff;
            --color-primary-dim: #00b8d4;
            --color-secondary: #7c3aed;
            --color-secondary-dim: #6d28d9;
            --color-accent: #ff2d55;
            --color-accent-dim: #dc2626;
            --color-text: #f1f5f9;
            --color-text-dim: #94a3b8;
            --color-text-muted: #64748b;
            --color-border: #1e293b;
            --color-border-light: #334155;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
            --shadow-md: 0 8px 24px rgba(0,0,0,0.4);
            --shadow-lg: 0 16px 48px rgba(0,0,0,0.5);
            --shadow-glow: 0 0 30px rgba(0,229,255,0.15);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
            --spacing-xs: 0.25rem;
            --spacing-sm: 0.5rem;
            --spacing-md: 1rem;
            --spacing-lg: 2rem;
            --spacing-xl: 4rem;
            --spacing-2xl: 6rem;
            --transition: 0.25s cubic-bezier(0.4,0,0.2,1);
            --max-width: 1200px;
        }

        /* ===== 基础 Reset ===== */
        *,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font-sans);
            background: var(--color-bg);
            color: var(--color-text);
            line-height: 1.65;
            font-size: 16px;
            min-height: 100vh;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: var(--color-primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: #fff; }
        a:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; border-radius: 4px; }
        button { cursor: pointer; font-family: inherit; border: none; background: none; transition: var(--transition); }
        button:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; border-radius: 6px; }
        input, textarea { font-family: inherit; border: none; outline: none; background: none; color: var(--color-text); }
        input:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; border-radius: 6px; }
        ul { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.25; font-weight: 700; color: #fff; }
        p { color: var(--color-text-dim); }

        /* ===== 容器 ===== */
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-lg);
        }
        @media (max-width: 768px) {
            .container { padding: 0 var(--spacing-md); }
        }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(10,14,23,0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--color-border);
            transition: var(--transition);
        }
        .site-header.scrolled { background: rgba(10,14,23,0.96); box-shadow: var(--shadow-md); }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: var(--spacing-md);
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 800;
            color: #fff;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #fff;
            font-weight: 700;
            box-shadow: 0 0 20px rgba(0,229,255,0.25);
        }
        .logo span { background: linear-gradient(135deg, var(--color-primary), var(--color-secondary)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .main-nav {
            display: flex;
            align-items: center;
            gap: var(--spacing-lg);
        }
        .main-nav a {
            color: var(--color-text-dim);
            font-size: 0.95rem;
            font-weight: 500;
            padding: 6px 0;
            position: relative;
            transition: var(--transition);
        }
        .main-nav a:hover { color: #fff; }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: var(--transition);
        }
        .main-nav a:hover::after { width: 100%; }
        .main-nav a.active { color: var(--color-primary); }
        .main-nav a.active::after { width: 100%; background: var(--color-primary); box-shadow: 0 0 12px rgba(0,229,255,0.4); }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
            flex-shrink: 0;
        }
        .nav-search {
            display: flex;
            align-items: center;
            background: var(--color-surface-2);
            border: 1px solid var(--color-border);
            border-radius: 24px;
            padding: 0 16px;
            height: 40px;
            transition: var(--transition);
        }
        .nav-search:focus-within { border-color: var(--color-primary); box-shadow: 0 0 20px rgba(0,229,255,0.1); }
        .nav-search input {
            background: transparent;
            border: none;
            outline: none;
            color: var(--color-text);
            font-size: 0.9rem;
            width: 140px;
            padding: 0 8px;
        }
        .nav-search input::placeholder { color: var(--color-text-muted); }
        .nav-search button {
            color: var(--color-text-dim);
            font-size: 0.95rem;
            padding: 4px;
            display: flex;
            align-items: center;
        }
        .nav-search button:hover { color: var(--color-primary); }
        .btn-login {
            color: var(--color-text-dim);
            font-weight: 500;
            font-size: 0.9rem;
            padding: 8px 18px;
            border-radius: 24px;
            border: 1px solid var(--color-border-light);
            transition: var(--transition);
        }
        .btn-login:hover { border-color: var(--color-primary); color: var(--color-primary); background: rgba(0,229,255,0.05); }
        .btn-cta-nav {
            background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            padding: 10px 24px;
            border-radius: 24px;
            box-shadow: 0 4px 16px rgba(0,229,255,0.25);
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .btn-cta-nav:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(0,229,255,0.35); color: #fff; }
        .nav-toggle {
            display: none;
            font-size: 1.5rem;
            color: var(--color-text);
            padding: 8px;
            background: none;
            border: none;
        }
        @media (max-width: 1024px) {
            .nav-search input { width: 100px; }
            .main-nav { gap: var(--spacing-md); }
        }
        @media (max-width: 768px) {
            .nav-toggle { display: block; }
            .main-nav {
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                background: rgba(10,14,23,0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: var(--spacing-lg);
                gap: var(--spacing-md);
                border-bottom: 1px solid var(--color-border);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: var(--transition);
            }
            .main-nav.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
            .main-nav a { font-size: 1.1rem; padding: 10px 0; }
            .nav-actions .btn-login { display: none; }
            .nav-actions .btn-cta-nav { font-size: 0.8rem; padding: 8px 16px; }
            .nav-search input { width: 80px; }
        }
        @media (max-width: 520px) {
            .nav-search { display: none; }
            .header-inner { gap: var(--spacing-sm); }
            .logo { font-size: 1.2rem; }
            .logo-icon { width: 32px; height: 32px; font-size: 0.9rem; }
        }

        /* ===== Hero 首屏 ===== */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 120px 0 80px;
            overflow: hidden;
            background: var(--color-bg);
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.4;
            z-index: 0;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(0,229,255,0.08) 0%, transparent 60%),
                        radial-gradient(ellipse at 70% 50%, rgba(124,58,237,0.06) 0%, transparent 60%),
                        linear-gradient(180deg, rgba(10,14,23,0.3) 0%, var(--color-bg) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 900px;
            padding: 0 var(--spacing-lg);
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(0,229,255,0.1);
            border: 1px solid rgba(0,229,255,0.2);
            border-radius: 24px;
            padding: 6px 18px;
            font-size: 0.85rem;
            color: var(--color-primary);
            font-weight: 500;
            margin-bottom: var(--spacing-lg);
            backdrop-filter: blur(8px);
        }
        .hero-badge i { font-size: 0.75rem; }
        .hero-title {
            font-size: clamp(2.6rem, 8vw, 5rem);
            font-weight: 900;
            line-height: 1.1;
            margin-bottom: var(--spacing-md);
            background: linear-gradient(135deg, #fff 30%, var(--color-primary) 70%, var(--color-secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-sub {
            font-size: clamp(1rem, 2.5vw, 1.35rem);
            color: var(--color-text-dim);
            max-width: 680px;
            margin: 0 auto var(--spacing-xl);
            line-height: 1.7;
        }
        .hero-actions {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: var(--spacing-md);
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
            color: #fff;
            font-weight: 600;
            font-size: 1.05rem;
            padding: 16px 36px;
            border-radius: 32px;
            box-shadow: 0 8px 32px rgba(0,229,255,0.25);
            transition: var(--transition);
        }
        .btn-primary:hover { transform: translateY(-3px); box-shadow: 0 12px 40px rgba(0,229,255,0.35); color: #fff; }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--color-text);
            font-weight: 500;
            font-size: 1rem;
            padding: 14px 28px;
            border-radius: 32px;
            border: 1.5px solid var(--color-border-light);
            transition: var(--transition);
            background: rgba(255,255,255,0.03);
        }
        .btn-secondary:hover { border-color: var(--color-primary); color: var(--color-primary); background: rgba(0,229,255,0.05); }
        .hero-stats {
            display: flex;
            justify-content: center;
            gap: var(--spacing-xl);
            margin-top: var(--spacing-xl);
            flex-wrap: wrap;
        }
        .hero-stat-item { text-align: center; }
        .hero-stat-item .num {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }
        .hero-stat-item .num span { color: var(--color-primary); }
        .hero-stat-item .label {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin-top: 4px;
        }
        @media (max-width: 768px) {
            .hero { padding: 100px 0 60px; min-height: auto; }
            .hero-stats { gap: var(--spacing-lg); }
            .hero-stat-item .num { font-size: 1.6rem; }
        }
        @media (max-width: 520px) {
            .hero-actions { flex-direction: column; width: 100%; }
            .btn-primary, .btn-secondary { width: 100%; justify-content: center; }
        }

        /* ===== 通用板块 ===== */
        .section {
            padding: var(--spacing-2xl) 0;
        }
        .section-header {
            text-align: center;
            max-width: 700px;
            margin: 0 auto var(--spacing-xl);
        }
        .section-header h2 {
            font-size: clamp(1.8rem, 4vw, 2.6rem);
            font-weight: 800;
            margin-bottom: var(--spacing-sm);
        }
        .section-header h2 i { color: var(--color-primary); margin-right: 8px; }
        .section-header p {
            font-size: 1.05rem;
            color: var(--color-text-dim);
            line-height: 1.7;
        }
        .section-tag {
            display: inline-block;
            background: rgba(0,229,255,0.08);
            color: var(--color-primary);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 20px;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.5px;
        }

        /* ===== 核心说明 ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-lg);
        }
        .feature-card {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: var(--spacing-xl) var(--spacing-lg);
            text-align: center;
            transition: var(--transition);
        }
        .feature-card:hover { border-color: rgba(0,229,255,0.2); transform: translateY(-4px); box-shadow: var(--shadow-glow); }
        .feature-card .icon {
            width: 56px;
            height: 56px;
            background: linear-gradient(135deg, rgba(0,229,255,0.1), rgba(124,58,237,0.1));
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--color-primary);
            margin: 0 auto var(--spacing-md);
        }
        .feature-card h3 { font-size: 1.2rem; margin-bottom: var(--spacing-sm); }
        .feature-card p { font-size: 0.95rem; line-height: 1.7; }
        @media (max-width: 1024px) {
            .features-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 640px) {
            .features-grid { grid-template-columns: 1fr; }
            .feature-card { padding: var(--spacing-lg); }
        }

        /* ===== 分类入口 ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-lg);
        }
        .category-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            transition: var(--transition);
            aspect-ratio: 4 / 3;
            display: flex;
            align-items: flex-end;
        }
        .category-card:hover { border-color: rgba(0,229,255,0.25); transform: translateY(-4px); box-shadow: var(--shadow-glow); }
        .category-card img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .category-card:hover img { transform: scale(1.05); }
        .category-card .overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(0deg, rgba(10,14,23,0.85) 0%, transparent 60%);
            z-index: 1;
        }
        .category-card .info {
            position: relative;
            z-index: 2;
            padding: var(--spacing-lg);
            width: 100%;
        }
        .category-card .info h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 4px; }
        .category-card .info p { font-size: 0.85rem; color: var(--color-text-dim); }
        .category-card .info .tag {
            display: inline-block;
            background: rgba(0,229,255,0.15);
            color: var(--color-primary);
            font-size: 0.7rem;
            font-weight: 600;
            padding: 2px 10px;
            border-radius: 12px;
            margin-top: var(--spacing-sm);
        }
        @media (max-width: 1024px) {
            .category-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 640px) {
            .category-grid { grid-template-columns: 1fr; }
        }

        /* ===== 数据统计 ===== */
        .stats-section {
            background: var(--color-surface);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-lg);
            text-align: center;
        }
        .stat-card { padding: var(--spacing-lg) 0; }
        .stat-card .num {
            font-size: 2.8rem;
            font-weight: 900;
            line-height: 1.2;
            background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .stat-card .label { font-size: 0.9rem; color: var(--color-text-dim); margin-top: 6px; }
        @media (max-width: 768px) {
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .stat-card .num { font-size: 2rem; }
        }
        @media (max-width: 520px) {
            .stats-grid { grid-template-columns: 1fr 1fr; gap: var(--spacing-md); }
        }

        /* ===== 最新资讯 ===== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--spacing-lg);
        }
        .news-card {
            display: flex;
            flex-direction: column;
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: var(--transition);
        }
        .news-card:hover { border-color: rgba(0,229,255,0.2); transform: translateY(-3px); box-shadow: var(--shadow-glow); }
        .news-card .thumb {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            flex-shrink: 0;
        }
        .news-card .body { padding: var(--spacing-lg); flex: 1; display: flex; flex-direction: column; }
        .news-card .body .meta {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            font-size: 0.8rem;
            color: var(--color-text-muted);
            margin-bottom: var(--spacing-sm);
        }
        .news-card .body .meta .cat {
            background: rgba(124,58,237,0.15);
            color: var(--color-secondary);
            padding: 2px 10px;
            border-radius: 10px;
            font-weight: 500;
        }
        .news-card .body h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: var(--spacing-sm); flex: 1; }
        .news-card .body h3 a { color: #fff; }
        .news-card .body h3 a:hover { color: var(--color-primary); }
        .news-card .body p { font-size: 0.9rem; line-height: 1.6; margin-bottom: var(--spacing-sm); }
        .news-card .body .more {
            color: var(--color-primary);
            font-size: 0.85rem;
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            margin-top: auto;
        }
        .news-card .body .more:hover { gap: 8px; }
        .news-empty {
            grid-column: 1 / -1;
            text-align: center;
            padding: var(--spacing-xl);
            color: var(--color-text-muted);
            font-size: 1rem;
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            border: 1px dashed var(--color-border);
        }
        @media (max-width: 768px) {
            .news-grid { grid-template-columns: 1fr; }
        }

        /* ===== 流程 / 特色 ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-lg);
            counter-reset: step;
        }
        .step-card {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: var(--spacing-xl) var(--spacing-lg);
            text-align: center;
            position: relative;
            transition: var(--transition);
        }
        .step-card:hover { border-color: rgba(0,229,255,0.2); transform: translateY(-4px); box-shadow: var(--shadow-glow); }
        .step-card .step-num {
            width: 44px;
            height: 44px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            font-weight: 800;
            color: #fff;
            margin: 0 auto var(--spacing-md);
        }
        .step-card .step-icon { font-size: 2rem; color: var(--color-primary); margin-bottom: var(--spacing-sm); }
        .step-card h3 { font-size: 1.1rem; margin-bottom: var(--spacing-sm); }
        .step-card p { font-size: 0.9rem; line-height: 1.7; }
        .step-card .step-img {
            width: 100%;
            height: 120px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            margin-bottom: var(--spacing-md);
        }
        @media (max-width: 1024px) {
            .steps-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 640px) {
            .steps-grid { grid-template-columns: 1fr; }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }
        .faq-item {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { border-color: rgba(0,229,255,0.15); }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--spacing-lg);
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text);
            background: none;
            border: none;
            text-align: left;
            cursor: pointer;
            gap: var(--spacing-md);
        }
        .faq-question i { color: var(--color-primary); transition: var(--transition); font-size: 0.85rem; }
        .faq-item.open .faq-question i { transform: rotate(180deg); }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.3s ease;
            padding: 0 var(--spacing-lg);
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 var(--spacing-lg) var(--spacing-lg);
        }
        .faq-answer p { font-size: 0.95rem; line-height: 1.7; color: var(--color-text-dim); }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--color-surface);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }
        .cta-box {
            background: linear-gradient(135deg, rgba(0,229,255,0.05), rgba(124,58,237,0.05));
            border: 1px solid rgba(0,229,255,0.15);
            border-radius: var(--radius-xl);
            padding: var(--spacing-xl) var(--spacing-2xl);
            text-align: center;
            max-width: 880px;
            margin: 0 auto;
        }
        .cta-box h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); margin-bottom: var(--spacing-sm); }
        .cta-box p { font-size: 1rem; color: var(--color-text-dim); margin-bottom: var(--spacing-lg); max-width: 560px; margin-left: auto; margin-right: auto; }
        .cta-box .btn-primary { font-size: 1.1rem; padding: 18px 44px; }
        @media (max-width: 640px) {
            .cta-box { padding: var(--spacing-lg); }
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--color-surface);
            border-top: 1px solid var(--color-border);
            padding: var(--spacing-xl) 0 var(--spacing-lg);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--spacing-xl);
            margin-bottom: var(--spacing-xl);
        }
        .footer-brand .logo { margin-bottom: var(--spacing-sm); }
        .footer-brand p { font-size: 0.9rem; color: var(--color-text-muted); max-width: 300px; line-height: 1.7; }
        .footer-col h4 { font-size: 0.95rem; font-weight: 700; color: #fff; margin-bottom: var(--spacing-md); }
        .footer-col a {
            display: block;
            font-size: 0.9rem;
            color: var(--color-text-muted);
            padding: 4px 0;
            transition: var(--transition);
        }
        .footer-col a:hover { color: var(--color-primary); padding-left: 4px; }
        .footer-bottom {
            border-top: 1px solid var(--color-border);
            padding-top: var(--spacing-lg);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: var(--spacing-md);
            font-size: 0.85rem;
            color: var(--color-text-muted);
        }
        .footer-bottom a { color: var(--color-text-muted); }
        .footer-bottom a:hover { color: var(--color-primary); }
        .footer-social { display: flex; gap: var(--spacing-sm); }
        .footer-social a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--color-surface-2);
            border: 1px solid var(--color-border);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.95rem;
            color: var(--color-text-dim);
            transition: var(--transition);
        }
        .footer-social a:hover { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
        @media (max-width: 1024px) {
            .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--spacing-lg); }
        }
        @media (max-width: 640px) {
            .footer-grid { grid-template-columns: 1fr; gap: var(--spacing-lg); }
            .footer-bottom { flex-direction: column; text-align: center; }
        }

        /* ===== 返回顶部 ===== */
        .back-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
            color: #fff;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 20px rgba(0,229,255,0.3);
            opacity: 0;
            transform: translateY(20px);
            pointer-events: none;
            transition: var(--transition);
            z-index: 999;
        }
        .back-top.show { opacity: 1; transform: translateY(0); pointer-events: auto; }
        .back-top:hover { transform: translateY(-4px); box-shadow: 0 8px 30px rgba(0,229,255,0.4); color: #fff; }
        @media (max-width: 520px) {
            .back-top { bottom: 20px; right: 20px; width: 42px; height: 42px; font-size: 1rem; }
        }

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

        /* ===== 分隔线 ===== */
        .divider {
            width: 60px;
            height: 3px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
            border-radius: 4px;
            margin: var(--spacing-sm) auto var(--spacing-md);
        }
        .divider-left { margin: var(--spacing-sm) 0 var(--spacing-md); }

/* roulang page: article */
/* ===== Design Variables ===== */
        :root {
            --primary: #6c2bd9;
            --primary-dark: #5420b0;
            --primary-light: #8b5cf6;
            --primary-glow: rgba(108, 43, 217, 0.35);
            --secondary: #f59e0b;
            --secondary-dark: #d97706;
            --accent: #06b6d4;
            --accent-glow: rgba(6, 182, 212, 0.3);
            --bg-dark: #0b0b1a;
            --bg-card: #12122a;
            --bg-card-hover: #1a1a3e;
            --bg-elevated: #1e1e42;
            --bg-input: #161638;
            --text-primary: #f1f5f9;
            --text-secondary: #94a3b8;
            --text-muted: #64748b;
            --border-color: rgba(108, 43, 217, 0.2);
            --border-glow: rgba(108, 43, 217, 0.4);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 30px var(--primary-glow);
            --header-height: 72px;
            --max-width: 1200px;
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Noto Sans SC', sans-serif;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font-sans);
            background: var(--bg-dark);
            color: var(--text-primary);
            line-height: 1.7;
            min-height: 100vh;
            overflow-x: hidden;
        }
        a { color: var(--primary-light); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--secondary); }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
        button, input, textarea { font-family: inherit; font-size: inherit; outline: none; border: none; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; letter-spacing: -0.02em; }
        h1 { font-size: clamp(1.8rem, 4vw, 2.8rem); }
        h2 { font-size: clamp(1.4rem, 3vw, 2rem); }
        h3 { font-size: clamp(1.1rem, 2vw, 1.4rem); }
        p { margin-bottom: 1rem; color: var(--text-secondary); }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ===== Header & Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(11, 11, 26, 0.92);
            backdrop-filter: blur(20px) saturate(1.2);
            border-bottom: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .site-header.scrolled { box-shadow: 0 4px 30px rgba(0,0,0,0.5); }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.03em;
        }
        .logo:hover { color: var(--primary-light); }
        .logo .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            font-weight: 900;
            color: #fff;
            box-shadow: 0 0 20px var(--primary-glow);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .main-nav a {
            padding: 8px 18px;
            border-radius: 100px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
            position: relative;
        }
        .main-nav a:hover,
        .main-nav a.active {
            color: var(--text-primary);
            background: rgba(108, 43, 217, 0.15);
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary);
            border-radius: 4px;
            box-shadow: 0 0 12px var(--primary-glow);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .nav-search {
            display: flex;
            align-items: center;
            background: var(--bg-input);
            border: 1px solid var(--border-color);
            border-radius: 100px;
            padding: 0 6px 0 16px;
            transition: var(--transition);
        }
        .nav-search:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 20px var(--primary-glow);
        }
        .nav-search input {
            background: transparent;
            color: var(--text-primary);
            padding: 8px 0;
            width: 140px;
            font-size: 0.85rem;
        }
        .nav-search input::placeholder { color: var(--text-muted); }
        .nav-search button {
            background: transparent;
            color: var(--text-muted);
            padding: 8px 12px;
            cursor: pointer;
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .nav-search button:hover { color: var(--primary-light); }
        .btn-login {
            background: transparent;
            color: var(--text-secondary);
            padding: 8px 16px;
            border-radius: 100px;
            font-weight: 500;
            font-size: 0.85rem;
            cursor: pointer;
            transition: var(--transition);
            border: 1px solid transparent;
        }
        .btn-login:hover {
            color: var(--text-primary);
            border-color: var(--border-color);
            background: rgba(255,255,255,0.05);
        }
        .btn-cta-nav {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff !important;
            padding: 8px 22px;
            border-radius: 100px;
            font-weight: 600;
            font-size: 0.85rem;
            transition: var(--transition);
            box-shadow: 0 0 20px var(--primary-glow);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .btn-cta-nav:hover {
            transform: translateY(-2px) scale(1.03);
            box-shadow: 0 0 40px var(--primary-glow);
        }
        .nav-toggle {
            display: none;
            background: transparent;
            color: var(--text-primary);
            font-size: 1.4rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: var(--radius-sm);
        }
        .nav-toggle:hover { background: rgba(255,255,255,0.05); }

        /* ===== Article Page Specific ===== */
        .article-banner {
            padding-top: calc(var(--header-height) + 40px);
            padding-bottom: 40px;
            background: linear-gradient(135deg, rgba(11, 11, 26, 0.95), rgba(30, 30, 66, 0.9)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            border-bottom: 1px solid var(--border-color);
            position: relative;
        }
        .article-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to top, var(--bg-dark), transparent);
            pointer-events: none;
        }
        .article-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 24px;
            flex-wrap: wrap;
        }
        .article-breadcrumb a { color: var(--text-muted); }
        .article-breadcrumb a:hover { color: var(--primary-light); }
        .article-breadcrumb .sep { color: var(--text-muted); opacity: 0.5; }
        .article-meta-header {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 16px;
        }
        .article-category-badge {
            display: inline-block;
            padding: 4px 16px;
            border-radius: 100px;
            font-size: 0.75rem;
            font-weight: 600;
            background: var(--primary-glow);
            color: var(--primary-light);
            border: 1px solid rgba(108, 43, 217, 0.3);
        }
        .article-date {
            font-size: 0.85rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .article-date i { font-size: 0.75rem; }
        .article-title {
            font-size: clamp(1.8rem, 4vw, 2.8rem);
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 16px;
            background: linear-gradient(135deg, var(--text-primary), var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .article-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.7;
        }

        .article-main {
            padding: 50px 0 70px;
        }
        .article-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
        }
        .article-body {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            padding: 40px;
            box-shadow: var(--shadow-md);
        }
        .article-body .featured-image {
            width: 100%;
            border-radius: var(--radius-md);
            margin-bottom: 30px;
            box-shadow: var(--shadow-md);
        }
        .article-body .content {
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--text-secondary);
        }
        .article-body .content h2,
        .article-body .content h3 {
            margin-top: 32px;
            margin-bottom: 16px;
            color: var(--text-primary);
        }
        .article-body .content p {
            margin-bottom: 1.2rem;
            color: var(--text-secondary);
        }
        .article-body .content ul,
        .article-body .content ol {
            margin-bottom: 1.2rem;
            padding-left: 24px;
            color: var(--text-secondary);
        }
        .article-body .content li { margin-bottom: 6px; list-style: disc; }
        .article-body .content a { color: var(--accent); text-decoration: underline; }
        .article-body .content a:hover { color: var(--secondary); }
        .article-body .content blockquote {
            border-left: 4px solid var(--primary);
            padding: 16px 24px;
            margin: 24px 0;
            background: rgba(108, 43, 217, 0.08);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-secondary);
            font-style: italic;
        }
        .article-body .content img {
            border-radius: var(--radius-md);
            margin: 24px 0;
            box-shadow: var(--shadow-sm);
        }
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 32px;
            padding-top: 24px;
            border-top: 1px solid var(--border-color);
        }
        .article-tags .tag {
            padding: 4px 14px;
            border-radius: 100px;
            font-size: 0.8rem;
            font-weight: 500;
            background: var(--bg-input);
            color: var(--text-secondary);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .article-tags .tag:hover {
            background: var(--primary-glow);
            color: var(--primary-light);
            border-color: var(--primary);
        }

        /* ===== Sidebar ===== */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .sidebar-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            padding: 24px;
            box-shadow: var(--shadow-sm);
        }
        .sidebar-card h3 {
            font-size: 1.05rem;
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card h3 i { color: var(--primary-light); }
        .sidebar-related-item {
            display: flex;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid rgba(255,255,255,0.04);
            transition: var(--transition);
        }
        .sidebar-related-item:last-child { border-bottom: none; padding-bottom: 0; }
        .sidebar-related-item:hover { padding-left: 4px; }
        .sidebar-related-item img {
            width: 72px;
            height: 52px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            background: var(--bg-elevated);
        }
        .sidebar-related-item .info { flex: 1; min-width: 0; }
        .sidebar-related-item .info .title {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-primary);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 4px;
            transition: var(--transition);
        }
        .sidebar-related-item:hover .info .title { color: var(--primary-light); }
        .sidebar-related-item .info .meta {
            font-size: 0.75rem;
            color: var(--text-muted);
        }
        .sidebar-cta {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border: none;
            text-align: center;
            padding: 28px 20px;
        }
        .sidebar-cta h3 { border: none; padding: 0; margin-bottom: 8px; color: #fff; justify-content: center; }
        .sidebar-cta p { color: rgba(255,255,255,0.8); font-size: 0.9rem; margin-bottom: 16px; }
        .sidebar-cta .btn-sidebar-cta {
            display: inline-block;
            background: #fff;
            color: var(--primary) !important;
            padding: 10px 32px;
            border-radius: 100px;
            font-weight: 700;
            font-size: 0.9rem;
            transition: var(--transition);
            box-shadow: 0 4px 20px rgba(0,0,0,0.2);
        }
        .sidebar-cta .btn-sidebar-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(0,0,0,0.3);
        }

        /* ===== Not Found State ===== */
        .not-found-box {
            text-align: center;
            padding: 80px 20px;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
        }
        .not-found-box .icon {
            font-size: 4rem;
            color: var(--text-muted);
            margin-bottom: 20px;
        }
        .not-found-box h2 { margin-bottom: 12px; }
        .not-found-box p { color: var(--text-muted); margin-bottom: 24px; }
        .btn-back-home {
            display: inline-block;
            padding: 12px 32px;
            background: var(--primary);
            color: #fff !important;
            border-radius: 100px;
            font-weight: 600;
            transition: var(--transition);
            box-shadow: 0 0 20px var(--primary-glow);
        }
        .btn-back-home:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 0 40px var(--primary-glow);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-card);
            border-top: 1px solid var(--border-color);
            padding: 50px 0 0;
            margin-top: 20px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 36px;
            border-bottom: 1px solid var(--border-color);
        }
        .footer-brand .logo { margin-bottom: 14px; font-size: 1.2rem; }
        .footer-brand p { font-size: 0.88rem; color: var(--text-muted); max-width: 320px; line-height: 1.7; }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 16px;
            color: var(--text-primary);
        }
        .footer-col a {
            display: block;
            font-size: 0.88rem;
            color: var(--text-muted);
            padding: 4px 0;
            transition: var(--transition);
        }
        .footer-col a:hover { color: var(--primary-light); padding-left: 4px; }
        .footer-social {
            display: flex;
            gap: 12px;
            margin-top: 8px;
        }
        .footer-social a {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: var(--bg-input);
            border: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            font-size: 1.1rem;
            transition: var(--transition);
        }
        .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-3px);
            box-shadow: 0 0 20px var(--primary-glow);
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
            font-size: 0.82rem;
            color: var(--text-muted);
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-bottom a { color: var(--text-muted); }
        .footer-bottom a:hover { color: var(--primary-light); }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .article-layout { grid-template-columns: 1fr; }
            .article-sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .main-nav { display: none; }
            .main-nav.open {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(11, 11, 26, 0.98);
                backdrop-filter: blur(20px);
                border-bottom: 1px solid var(--border-color);
                padding: 16px 20px;
                gap: 4px;
            }
            .main-nav.open a { padding: 12px 16px; border-radius: var(--radius-sm); }
            .nav-search input { width: 100px; }
            .btn-login { display: none; }
            .btn-cta-nav .fa-bolt { display: none; }
            .nav-toggle { display: block; }
            .article-body { padding: 24px 20px; }
            .article-sidebar { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; text-align: center; }
        }
        @media (max-width: 520px) {
            .header-inner { gap: 6px; }
            .logo span { font-size: 1rem; }
            .nav-search input { width: 70px; font-size: 0.8rem; }
            .btn-cta-nav { padding: 8px 14px; font-size: 0.78rem; }
            .article-banner { padding-top: calc(var(--header-height) + 24px); padding-bottom: 24px; }
            .article-title { font-size: 1.5rem; }
            .article-body { padding: 16px; }
            .article-layout { gap: 20px; }
        }

        /* ===== Utilities ===== */
        .text-center { text-align: center; }
        .mb-8 { margin-bottom: 8px; }
        .mb-16 { margin-bottom: 16px; }
        .mb-24 { margin-bottom: 24px; }
        .mb-32 { margin-bottom: 32px; }
        .mt-32 { margin-top: 32px; }

/* roulang page: category1 */
/* ========== 设计变量 ========== */
        :root {
            --primary: #6C5CE7;
            --primary-light: #A29BFE;
            --primary-dark: #4A3DBF;
            --secondary: #00D2FF;
            --secondary-light: #74E0FF;
            --accent: #FD79A8;
            --accent-orange: #FDCB6E;
            --bg-dark: #0A0E1A;
            --bg-card: rgba(26, 31, 46, 0.92);
            --bg-card-hover: rgba(36, 42, 60, 0.95);
            --bg-section: #111827;
            --bg-section-alt: #0D1321;
            --text-primary: #F1F5F9;
            --text-secondary: #94A3B8;
            --text-muted: #64748B;
            --border-color: rgba(108, 92, 231, 0.25);
            --border-glow: rgba(0, 210, 255, 0.3);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(108, 92, 231, 0.08);
            --shadow-glow: 0 0 40px rgba(108, 92, 231, 0.15);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --container-max: 1200px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background: var(--bg-dark);
            color: var(--text-primary);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }

        button {
            cursor: pointer;
        }

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            color: var(--text-primary);
        }

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

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ========== Header / 导航 ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(10, 14, 26, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
            height: 72px;
            display: flex;
            align-items: center;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            height: 100%;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-primary) !important;
            font-weight: 700;
            font-size: 1.35rem;
            letter-spacing: 0.5px;
            text-decoration: none;
            flex-shrink: 0;
        }
        .logo:hover {
            color: var(--text-primary) !important;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            font-weight: 800;
            color: #fff;
            box-shadow: 0 0 20px rgba(108, 92, 231, 0.3);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .main-nav a {
            padding: 8px 18px;
            border-radius: 30px;
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            transition: var(--transition);
            position: relative;
            text-decoration: none;
        }
        .main-nav a:hover {
            color: var(--text-primary);
            background: rgba(108, 92, 231, 0.12);
        }
        .main-nav a.active {
            color: #fff;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            box-shadow: 0 4px 20px rgba(108, 92, 231, 0.35);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .nav-search {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 30px;
            padding: 0 6px 0 16px;
            transition: var(--transition);
        }
        .nav-search:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 20px rgba(108, 92, 231, 0.15);
        }
        .nav-search input {
            min-width: 160px;
            padding: 8px 0;
            background: transparent;
            color: var(--text-primary);
            font-size: 0.9rem;
        }
        .nav-search input::placeholder {
            color: var(--text-muted);
        }
        .nav-search button {
            padding: 8px 14px;
            color: var(--text-muted);
            transition: var(--transition);
            border-radius: 30px;
        }
        .nav-search button:hover {
            color: var(--secondary);
        }

        .btn-login {
            padding: 8px 18px;
            border-radius: 30px;
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.9rem;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .btn-login:hover {
            border-color: var(--primary);
            color: var(--text-primary);
            background: rgba(108, 92, 231, 0.08);
        }

        .btn-cta-nav {
            padding: 10px 24px;
            border-radius: 30px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff !important;
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition);
            box-shadow: 0 4px 20px rgba(108, 92, 231, 0.3);
            display: flex;
            align-items: center;
            gap: 6px;
            text-decoration: none;
        }
        .btn-cta-nav:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(108, 92, 231, 0.45);
            color: #fff !important;
        }

        .nav-toggle {
            display: none;
            padding: 8px 12px;
            color: var(--text-primary);
            font-size: 1.5rem;
            background: transparent;
            border: none;
        }

        @media (max-width: 1024px) {
            .nav-search input {
                min-width: 120px;
            }
            .btn-cta-nav span {
                display: none;
            }
        }

        @media (max-width: 768px) {
            .main-nav {
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                background: rgba(10, 14, 26, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 20px 24px;
                gap: 8px;
                border-bottom: 1px solid var(--border-color);
                transform: translateY(-120%);
                opacity: 0;
                transition: var(--transition);
                pointer-events: none;
            }
            .main-nav.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .main-nav a {
                width: 100%;
                padding: 12px 18px;
                font-size: 1rem;
            }
            .nav-toggle {
                display: block;
            }
            .btn-login span {
                display: none;
            }
            .nav-search input {
                min-width: 100px;
                width: 100px;
            }
        }

        @media (max-width: 520px) {
            .btn-cta-nav {
                padding: 8px 16px;
                font-size: 0.8rem;
            }
            .btn-login {
                padding: 6px 12px;
            }
            .nav-search input {
                min-width: 70px;
                width: 70px;
                font-size: 0.8rem;
            }
            .logo span {
                font-size: 1.1rem;
            }
            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 0.95rem;
            }
        }

        /* ========== 分类横幅 ========== */
        .category-banner {
            margin-top: 72px;
            padding: 80px 0 60px;
            background: linear-gradient(135deg, rgba(10, 14, 26, 0.92), rgba(17, 24, 39, 0.9)), url('/assets/images/backpic/back-2.png') center/cover no-repeat fixed;
            border-bottom: 1px solid var(--border-color);
            position: relative;
            overflow: hidden;
        }
        .category-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent));
            opacity: 0.6;
        }
        .category-banner .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .category-banner h1 {
            font-size: 2.8rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--text-primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }
        .category-banner p {
            font-size: 1.15rem;
            color: var(--text-secondary);
            max-width: 680px;
            margin: 0 auto 24px;
            line-height: 1.8;
        }
        .category-banner .banner-tags {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
        }
        .category-banner .banner-tags span {
            padding: 6px 18px;
            border-radius: 30px;
            background: rgba(108, 92, 231, 0.15);
            border: 1px solid rgba(108, 92, 231, 0.2);
            color: var(--text-secondary);
            font-size: 0.85rem;
            font-weight: 500;
            transition: var(--transition);
        }
        .category-banner .banner-tags span:hover {
            background: rgba(108, 92, 231, 0.25);
            color: var(--text-primary);
            border-color: var(--primary);
        }

        @media (max-width: 768px) {
            .category-banner {
                padding: 60px 0 40px;
            }
            .category-banner h1 {
                font-size: 2rem;
            }
            .category-banner p {
                font-size: 1rem;
            }
        }
        @media (max-width: 520px) {
            .category-banner h1 {
                font-size: 1.6rem;
            }
            .category-banner p {
                font-size: 0.95rem;
            }
        }

        /* ========== 板块通用 ========== */
        .section {
            padding: 72px 0;
        }
        .section-alt {
            background: var(--bg-section-alt);
        }
        .section-title {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-title h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
            background: linear-gradient(135deg, var(--text-primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .section-title p {
            color: var(--text-secondary);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto;
        }
        .section-title .title-accent {
            display: inline-block;
            width: 60px;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            border-radius: 4px;
            margin-top: 16px;
        }

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

        /* ========== 资讯筛选标签 ========== */
        .filter-tabs {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
            margin-bottom: 40px;
        }
        .filter-tabs button {
            padding: 8px 22px;
            border-radius: 30px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            background: rgba(255, 255, 255, 0.04);
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .filter-tabs button:hover {
            border-color: var(--primary);
            color: var(--text-primary);
            background: rgba(108, 92, 231, 0.1);
        }
        .filter-tabs button.active {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            border-color: transparent;
            box-shadow: 0 4px 20px rgba(108, 92, 231, 0.3);
        }

        /* ========== 资讯卡片网格 ========== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .news-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            transform: translateY(-6px);
            border-color: rgba(108, 92, 231, 0.4);
            box-shadow: 0 12px 48px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(108, 92, 231, 0.15);
            background: var(--bg-card-hover);
        }
        .news-card .card-img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            border-radius: var(--radius-md) var(--radius-md) 0 0;
            display: block;
        }
        .news-card .card-body {
            padding: 22px 24px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-card .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 10px;
        }
        .news-card .card-meta .tag {
            padding: 2px 12px;
            border-radius: 20px;
            background: rgba(108, 92, 231, 0.15);
            color: var(--primary-light);
            font-weight: 500;
            font-size: 0.75rem;
        }
        .news-card .card-meta .tag.hot {
            background: rgba(253, 121, 168, 0.15);
            color: var(--accent);
        }
        .news-card .card-meta .tag.live {
            background: rgba(0, 210, 255, 0.12);
            color: var(--secondary);
        }
        .news-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-primary);
            line-height: 1.4;
        }
        .news-card h3 a {
            color: inherit;
            text-decoration: none;
        }
        .news-card h3 a:hover {
            color: var(--secondary);
        }
        .news-card .card-excerpt {
            color: var(--text-secondary);
            font-size: 0.92rem;
            line-height: 1.7;
            flex: 1;
            margin-bottom: 16px;
        }
        .news-card .card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 14px;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
        }
        .news-card .card-footer .read-more {
            color: var(--secondary);
            font-weight: 600;
            font-size: 0.85rem;
            display: flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }
        .news-card .card-footer .read-more:hover {
            color: var(--secondary-light);
            gap: 10px;
        }
        .news-card .card-footer .stats {
            display: flex;
            gap: 14px;
            color: var(--text-muted);
            font-size: 0.8rem;
        }
        .news-card .card-footer .stats i {
            margin-right: 4px;
        }

        @media (max-width: 1024px) {
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
        }
        @media (max-width: 560px) {
            .news-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .news-card .card-body {
                padding: 18px 18px 20px;
            }
            .news-card h3 {
                font-size: 1.05rem;
            }
        }

        /* ========== 热门赛事排行 ========== */
        .rank-section {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }
        .rank-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            padding: 28px 30px;
            transition: var(--transition);
            box-shadow: var(--shadow-card);
        }
        .rank-card:hover {
            border-color: rgba(108, 92, 231, 0.3);
            box-shadow: var(--shadow-glow);
        }
        .rank-card .rank-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 20px;
            padding-bottom: 14px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }
        .rank-card .rank-header h3 {
            font-size: 1.2rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .rank-card .rank-header h3 i {
            color: var(--accent-orange);
        }
        .rank-card .rank-header .badge {
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            background: rgba(0, 210, 255, 0.1);
            color: var(--secondary);
            border: 1px solid rgba(0, 210, 255, 0.15);
        }
        .rank-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .rank-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 10px 14px;
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.02);
            transition: var(--transition);
            cursor: default;
        }
        .rank-item:hover {
            background: rgba(108, 92, 231, 0.06);
        }
        .rank-item .rank-num {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.8rem;
            background: rgba(255, 255, 255, 0.05);
            color: var(--text-muted);
            flex-shrink: 0;
        }
        .rank-item:nth-child(1) .rank-num {
            background: linear-gradient(135deg, #FDCB6E, #F39C12);
            color: #1a1a2e;
        }
        .rank-item:nth-child(2) .rank-num {
            background: linear-gradient(135deg, #bdc3c7, #95a5a6);
            color: #1a1a2e;
        }
        .rank-item:nth-child(3) .rank-num {
            background: linear-gradient(135deg, #e17055, #d63031);
            color: #fff;
        }
        .rank-item .rank-info {
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .rank-item .rank-info .name {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-primary);
        }
        .rank-item .rank-info .desc {
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .rank-item .rank-value {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--secondary);
        }

        @media (max-width: 860px) {
            .rank-section {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 520px) {
            .rank-card {
                padding: 20px 18px;
            }
            .rank-item {
                padding: 8px 10px;
                gap: 10px;
            }
            .rank-item .rank-info .name {
                font-size: 0.85rem;
            }
        }

        /* ========== 战队 / 选手动态 ========== */
        .team-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .team-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            padding: 28px 20px 22px;
            text-align: center;
            transition: var(--transition);
            box-shadow: var(--shadow-card);
        }
        .team-card:hover {
            transform: translateY(-4px);
            border-color: rgba(108, 92, 231, 0.35);
            box-shadow: var(--shadow-glow);
        }
        .team-card .team-avatar {
            width: 72px;
            height: 72px;
            border-radius: 50%;
            margin: 0 auto 16px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            padding: 3px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .team-card .team-avatar img {
            width: 100%;
            height: 100%;
            border-radius: 50%;
            object-fit: cover;
            background: var(--bg-dark);
        }
        .team-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .team-card .team-game {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 12px;
        }
        .team-card .team-status {
            display: inline-block;
            padding: 3px 14px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            background: rgba(0, 210, 255, 0.1);
            color: var(--secondary);
            border: 1px solid rgba(0, 210, 255, 0.1);
        }
        .team-card .team-status.win {
            background: rgba(0, 210, 255, 0.12);
            color: var(--secondary);
        }
        .team-card .team-status.live {
            background: rgba(253, 121, 168, 0.12);
            color: var(--accent);
            border-color: rgba(253, 121, 168, 0.2);
            animation: pulse-live 1.6s ease-in-out infinite;
        }
        @keyframes pulse-live {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.5;
            }
        }

        @media (max-width: 1024px) {
            .team-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        @media (max-width: 700px) {
            .team-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
        }
        @media (max-width: 420px) {
            .team-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== 数据分析块 ========== */
        .data-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .data-block {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            padding: 32px 24px;
            text-align: center;
            transition: var(--transition);
            box-shadow: var(--shadow-card);
        }
        .data-block:hover {
            transform: translateY(-4px);
            border-color: rgba(0, 210, 255, 0.25);
            box-shadow: var(--shadow-glow);
        }
        .data-block .data-number {
            font-size: 2.6rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--secondary), var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .data-block .data-label {
            font-size: 0.95rem;
            color: var(--text-secondary);
            font-weight: 500;
        }
        .data-block .data-sub {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 6px;
        }

        @media (max-width: 860px) {
            .data-strip {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
        }
        @media (max-width: 420px) {
            .data-strip {
                grid-template-columns: 1fr;
            }
            .data-block .data-number {
                font-size: 2rem;
            }
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: var(--transition);
            box-shadow: var(--shadow-card);
        }
        .faq-item:hover {
            border-color: rgba(108, 92, 231, 0.2);
        }
        .faq-item summary {
            padding: 20px 24px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-primary);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            list-style: none;
            transition: var(--transition);
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: '\f107';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 1.1rem;
            color: var(--text-muted);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item[open] summary::after {
            transform: rotate(180deg);
            color: var(--secondary);
        }
        .faq-item summary:hover {
            color: var(--secondary);
        }
        .faq-item .faq-answer {
            padding: 0 24px 20px;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.8;
        }

        @media (max-width: 520px) {
            .faq-item summary {
                padding: 16px 18px;
                font-size: 0.95rem;
            }
            .faq-item .faq-answer {
                padding: 0 18px 16px;
                font-size: 0.9rem;
            }
        }

        /* ========== CTA ========== */
        .cta-section {
            padding: 80px 0;
            background: linear-gradient(135deg, rgba(108, 92, 231, 0.08), rgba(0, 210, 255, 0.05)), url('/assets/images/backpic/back-3.png') center/cover no-repeat fixed;
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
            text-align: center;
            position: relative;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 16px;
            background: linear-gradient(135deg, var(--text-primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .cta-section p {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto 32px;
        }
        .cta-section .cta-buttons {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 16px;
        }
        .cta-section .btn-primary {
            padding: 14px 38px;
            border-radius: 30px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            transition: var(--transition);
            box-shadow: 0 6px 30px rgba(108, 92, 231, 0.35);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            text-decoration: none;
        }
        .cta-section .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 40px rgba(108, 92, 231, 0.5);
            color: #fff;
        }
        .cta-section .btn-secondary {
            padding: 14px 38px;
            border-radius: 30px;
            background: transparent;
            color: var(--text-primary);
            font-weight: 600;
            font-size: 1rem;
            border: 1px solid rgba(255, 255, 255, 0.15);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            text-decoration: none;
        }
        .cta-section .btn-secondary:hover {
            border-color: var(--primary);
            color: var(--secondary);
            background: rgba(108, 92, 231, 0.06);
        }

        @media (max-width: 768px) {
            .cta-section {
                padding: 60px 0;
            }
            .cta-section h2 {
                font-size: 1.7rem;
            }
            .cta-section p {
                font-size: 1rem;
            }
            .cta-section .btn-primary,
            .cta-section .btn-secondary {
                padding: 12px 28px;
                font-size: 0.9rem;
            }
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--bg-section-alt);
            border-top: 1px solid var(--border-color);
            padding: 56px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }
        .footer-brand .logo {
            margin-bottom: 16px;
            font-size: 1.2rem;
        }
        .footer-brand p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.8;
            max-width: 340px;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }
        .footer-col a {
            display: block;
            padding: 5px 0;
            color: var(--text-muted);
            font-size: 0.9rem;
            transition: var(--transition);
            text-decoration: none;
        }
        .footer-col a:hover {
            color: var(--secondary);
            padding-left: 4px;
        }
        .footer-social {
            display: flex;
            gap: 14px;
            margin-top: 4px;
        }
        .footer-social a {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.06);
            color: var(--text-muted);
            font-size: 1.2rem;
            transition: var(--transition);
            padding: 0;
        }
        .footer-social a:hover {
            background: rgba(108, 92, 231, 0.15);
            border-color: var(--primary);
            color: var(--secondary);
            padding: 0;
            transform: translateY(-3px);
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            padding: 24px 0;
            gap: 12px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-muted);
            text-decoration: none;
        }
        .footer-bottom a:hover {
            color: var(--secondary);
        }
        .footer-bottom span a {
            margin: 0 4px;
        }

        @media (max-width: 860px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ========== 分页按钮 ========== */
        .pagination {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 8px;
            margin-top: 48px;
            flex-wrap: wrap;
        }
        .pagination a,
        .pagination span {
            display: flex;
            align-items: center;
            justify-content: center;
            min-width: 42px;
            height: 42px;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            transition: var(--transition);
            text-decoration: none;
        }
        .pagination a:hover {
            border-color: var(--primary);
            color: var(--text-primary);
            background: rgba(108, 92, 231, 0.08);
        }
        .pagination .active {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            border-color: transparent;
            box-shadow: 0 4px 20px rgba(108, 92, 231, 0.3);
        }
        .pagination .dots {
            background: transparent;
            border: none;
            color: var(--text-muted);
            min-width: 32px;
        }

        /* ========== 滚动动画 ========== */
        .fade-up {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }
        .fade-up.visible {
            opacity: 1;
            transform: translateY(0);
        }