/* roulang page: index */
:root {
            --bg: #0A0F1E;
            --bg-2: #0B1626;
            --primary: #1E6FFF;
            --accent: #00E5A0;
            --cyan: #00D4FF;
            --ink: #E2EDFF;
            --ink-2: #8FA3C4;
            --border: rgba(255, 255, 255, 0.08);
            --border-highlight: rgba(0, 229, 160, 0.4);
            --glass-bg: rgba(255, 255, 255, 0.06);
            --glass-bg-strong: rgba(20, 40, 80, 0.45);
            --glass-hover: rgba(255, 255, 255, 0.1);
            --radius: 18px;
            --radius-sm: 12px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(255, 255, 255, 0.04);
            --shadow-glow: 0 0 25px rgba(0, 229, 160, 0.45);
            --transition: 0.25s ease;
        }

        * { box-sizing: border-box; }

        html { scroll-behavior: smooth; }

        body {
            background-color: var(--bg);
            color: var(--ink);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            font-size: 16px;
            line-height: 1.7;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
        a:hover { color: #fff; }

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

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

        ::selection { background: rgba(0, 229, 160, 0.3); color: #fff; }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* 顶部信息条 + 主导航 */
        .top-bar {
            background: #060A14;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: var(--ink-2);
            padding: 0 24px;
            position: relative;
            z-index: 60;
        }
        .top-bar .domain-hint { letter-spacing: 0.3px; }
        .top-bar .top-actions a {
            color: var(--ink-2);
            font-size: 12px;
            margin-left: 16px;
            transition: color var(--transition);
        }
        .top-bar .top-actions a:hover { color: var(--accent); }

        .main-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(10, 15, 30, 0.92);
            backdrop-filter: blur(14px) saturate(140%);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            height: 72px;
            display: flex;
            align-items: center;
        }
        .main-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .logo .logo-mark {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--accent), var(--primary));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 800;
            color: #fff;
        }
        .logo:hover { color: #fff; }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .main-nav a {
            color: var(--ink);
            font-size: 14px;
            font-weight: 600;
            padding: 10px 14px;
            border-radius: 8px;
            transition: all var(--transition);
            position: relative;
            white-space: nowrap;
        }
        .main-nav a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }
        .main-nav a.active {
            color: var(--accent);
            background: rgba(0, 229, 160, 0.08);
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 4px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        .hamburger {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 5px;
            border-radius: 8px;
            transition: background var(--transition);
        }
        .hamburger:hover { background: rgba(255, 255, 255, 0.06); }
        .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--ink);
            border-radius: 2px;
            transition: all 0.3s ease;
        }
        .hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
        .hamburger.open span:nth-child(2) { opacity: 0; }
        .hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

        /* 移动端导航抽屉 */
        .mobile-menu {
            display: none;
            position: fixed;
            top: 108px;
            left: 0;
            right: 0;
            z-index: 49;
            background: rgba(10, 15, 30, 0.97);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            padding: 16px 24px 24px;
            flex-direction: column;
            gap: 6px;
        }
        .mobile-menu.open { display: flex; }
        .mobile-menu a {
            color: var(--ink);
            font-size: 15px;
            font-weight: 600;
            padding: 12px 16px;
            border-radius: 10px;
            transition: all var(--transition);
        }
        .mobile-menu a:hover { background: rgba(255, 255, 255, 0.06); color: #fff; }
        .mobile-menu a.active { color: var(--accent); background: rgba(0, 229, 160, 0.08); }

        /* Hero */
        .hero-section {
            position: relative;
            min-height: 520px;
            display: flex;
            align-items: center;
            overflow: hidden;
            background-color: var(--bg);
            background-image: url('/assets/images/1ac18bf01475145f.webp');
            background-size: cover;
            background-position: center;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 15, 30, 0.82) 0%, rgba(10, 15, 30, 0.6) 50%, rgba(10, 15, 30, 0.92) 100%);
            z-index: 1;
        }
        .hero-section .container {
            position: relative;
            z-index: 2;
            width: 100%;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            padding: 60px 0;
        }
        .hero-title {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.25;
            margin: 0 0 16px;
            color: #fff;
            letter-spacing: 0.5px;
        }
        .hero-subtitle {
            font-size: 18px;
            color: var(--accent);
            margin-bottom: 20px;
            font-weight: 600;
        }
        .hero-desc {
            font-size: 15px;
            color: var(--ink);
            line-height: 1.8;
            margin-bottom: 28px;
            max-width: 520px;
        }
        .hero-buttons {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 24px;
            border-radius: 10px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition);
            border: none;
            line-height: 1;
        }
        .btn-primary {
            background: rgba(0, 229, 160, 0.15);
            border: 1px solid rgba(0, 229, 160, 0.5);
            color: #DCFCF0;
        }
        .btn-primary:hover {
            box-shadow: var(--shadow-glow);
            background: rgba(0, 229, 160, 0.1);
            color: #fff;
            border-color: var(--accent);
            transform: translateY(-2px);
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .btn-secondary {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: var(--ink);
        }
        .btn-secondary:hover {
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-secondary:focus-visible {
            outline: 2px solid var(--ink);
            outline-offset: 2px;
        }

        .hero-card-stack {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .hero-data-card {
            background: var(--glass-bg-strong);
            backdrop-filter: blur(16px) saturate(140%);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 20px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
        }
        .hero-data-card:hover {
            background: var(--glass-hover);
            border-color: var(--border-highlight);
            box-shadow: var(--shadow-card), 0 0 30px rgba(0, 229, 160, 0.15);
        }
        .hero-data-label {
            font-size: 12px;
            color: var(--ink-2);
            letter-spacing: 0.5px;
            margin-bottom: 6px;
        }
        .hero-data-number {
            font-size: 36px;
            font-weight: 700;
            font-family: 'Inter', system-ui, sans-serif;
            color: var(--accent);
            line-height: 1.2;
            text-shadow: 0 0 20px rgba(0, 229, 160, 0.4);
        }
        .hero-data-sub {
            font-size: 13px;
            color: var(--ink-2);
            margin-top: 4px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(0, 229, 160, 0.12);
            border: 1px solid rgba(0, 229, 160, 0.3);
            color: var(--accent);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 20px;
            margin-bottom: 16px;
        }
        .hero-badge .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
            animation: pulse-dot 2s infinite;
        }
        @keyframes pulse-dot {
            0%, 100% { opacity: 1; box-shadow: 0 0 6px var(--accent); }
            50% { opacity: 0.4; box-shadow: 0 0 0 var(--accent); }
        }

        /* Section 通用 */
        .section {
            padding: 72px 0;
            position: relative;
        }
        .section-alt {
            background: var(--bg-2);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }
        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            letter-spacing: 1px;
            margin-bottom: 8px;
        }
        .section-title {
            font-size: 26px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 12px;
            line-height: 1.4;
            position: relative;
            padding-left: 16px;
        }
        .section-title::before {
            content: '';
            position: absolute;
            left: 0;
            top: 6px;
            bottom: 6px;
            width: 3px;
            background: var(--accent);
            border-radius: 3px;
        }
        .section-desc {
            font-size: 15px;
            color: var(--ink);
            line-height: 1.8;
            margin: 0 0 36px;
            max-width: 680px;
        }

        /* 玻璃卡片 */
        .glass-card {
            background: var(--glass-bg);
            backdrop-filter: blur(16px) saturate(140%);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
        }
        .glass-card:hover {
            background: var(--glass-hover);
            border-color: var(--border-highlight);
            box-shadow: var(--shadow-card), 0 0 30px rgba(0, 229, 160, 0.15);
            transform: translateY(-4px);
        }

        /* 卡片网格 */
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        /* 痛点卡片 */
        .pain-card .pain-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(30, 111, 255, 0.15);
            border: 1px solid rgba(30, 111, 255, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 14px;
        }
        .pain-card h3 {
            font-size: 17px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 8px;
        }
        .pain-card p {
            font-size: 14px;
            color: var(--ink-2);
            line-height: 1.7;
            margin: 0;
        }

        /* 解决方案卡片 */
        .solution-card {
            border-left: 3px solid var(--accent);
        }
        .solution-card h3 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 8px;
        }
        .solution-card p {
            font-size: 14px;
            color: var(--ink-2);
            line-height: 1.7;
            margin: 0;
        }

        /* 方法步骤 */
        .step-card {
            display: flex;
            gap: 20px;
            align-items: flex-start;
        }
        .step-number {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent), var(--primary));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            box-shadow: 0 4px 16px rgba(0, 229, 160, 0.3);
        }
        .step-card h3 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 6px;
        }
        .step-card p {
            font-size: 14px;
            color: var(--ink-2);
            line-height: 1.7;
            margin: 0;
        }

        /* 成果数据 */
        .metric-card {
            text-align: center;
            padding: 28px 16px;
        }
        .metric-number {
            font-size: 40px;
            font-weight: 700;
            font-family: 'Inter', system-ui, sans-serif;
            color: var(--accent);
            line-height: 1.2;
            text-shadow: 0 0 24px rgba(0, 229, 160, 0.4);
        }
        .metric-label {
            font-size: 13px;
            color: var(--ink-2);
            margin-top: 8px;
        }

        /* 证言 */
        .testimonial-card {
            position: relative;
        }
        .testimonial-card p {
            font-size: 14px;
            color: var(--ink);
            line-height: 1.7;
            margin: 0 0 16px;
            font-style: italic;
        }
        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .testimonial-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(0, 229, 160, 0.15);
            border: 1px solid rgba(0, 229, 160, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-weight: 600;
            font-size: 14px;
        }
        .testimonial-name {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
        }
        .testimonial-role {
            font-size: 12px;
            color: var(--ink-2);
        }

        /* 适用人群 */
        .audience-card {
            text-align: center;
            padding: 24px 16px;
        }
        .audience-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(30, 111, 255, 0.12);
            border: 1px solid rgba(30, 111, 255, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin: 0 auto 12px;
        }
        .audience-card h3 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 6px;
        }
        .audience-card p {
            font-size: 13px;
            color: var(--ink-2);
            margin: 0;
            line-height: 1.6;
        }

        /* 资讯卡片 */
        .news-card {
            overflow: hidden;
            background: var(--glass-bg);
            backdrop-filter: blur(16px);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            transition: all var(--transition);
            box-shadow: var(--shadow-card);
        }
        .news-card:hover {
            transform: translateY(-4px);
            border-color: var(--border-highlight);
            box-shadow: var(--shadow-card), 0 0 30px rgba(0, 229, 160, 0.15);
        }
        .news-img {
            width: 100%;
            height: 160px;
            object-fit: cover;
        }
        .news-body {
            padding: 18px;
        }
        .news-tag {
            display: inline-block;
            font-size: 11px;
            font-weight: 600;
            color: var(--accent);
            background: rgba(0, 229, 160, 0.1);
            padding: 3px 10px;
            border-radius: 4px;
            margin-bottom: 8px;
        }
        .news-body h3 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 8px;
            line-height: 1.5;
        }
        .news-body p {
            font-size: 13px;
            color: var(--ink-2);
            margin: 0 0 12px;
            line-height: 1.6;
        }
        .news-meta {
            font-size: 12px;
            color: var(--ink-2);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        /* 数据条 */
        .data-bar-row {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-bottom: 14px;
        }
        .data-bar-label {
            flex-shrink: 0;
            width: 100px;
            font-size: 14px;
            font-weight: 600;
            color: #fff;
        }
        .data-bar-track {
            flex: 1;
            height: 10px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 6px;
            overflow: hidden;
        }
        .data-bar-fill {
            height: 100%;
            border-radius: 6px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            box-shadow: 0 0 12px rgba(0, 229, 160, 0.4);
            transition: width 1s ease;
        }
        .data-bar-value {
            flex-shrink: 0;
            width: 60px;
            text-align: right;
            font-size: 14px;
            font-weight: 600;
            color: var(--accent);
            font-family: 'Inter', system-ui, sans-serif;
        }

        /* 特色专题 */
        .feature-card {
            overflow: hidden;
            position: relative;
        }
        .feature-card .feature-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: var(--radius) var(--radius) 0 0;
        }
        .feature-card .feature-body {
            padding: 20px;
        }
        .feature-card h3 {
            font-size: 17px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 8px;
        }
        .feature-card p {
            font-size: 14px;
            color: var(--ink-2);
            line-height: 1.7;
            margin: 0;
        }

        /* FAQ */
        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
            background: rgba(255, 255, 255, 0.04);
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(0, 229, 160, 0.3);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            background: none;
            border: none;
            cursor: pointer;
            padding: 16px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            transition: color var(--transition);
        }
        .faq-question:hover { color: var(--accent); }
        .faq-question .faq-toggle {
            flex-shrink: 0;
            font-size: 18px;
            color: var(--accent);
            transition: transform 0.3s ease;
        }
        .faq-item.open .faq-toggle { transform: rotate(45deg); }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 20px;
            font-size: 14px;
            color: var(--ink-2);
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-bottom: 16px;
        }

        /* CTA */
        .cta-section {
            text-align: center;
            padding: 80px 0;
            background: linear-gradient(180deg, rgba(10, 15, 30, 0.9) 0%, rgba(11, 22, 38, 0.9) 100%);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .cta-title {
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 12px;
        }
        .cta-desc {
            font-size: 15px;
            color: var(--ink);
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.8;
        }

        /* 表单 */
        .subscribe-form {
            display: flex;
            gap: 12px;
            max-width: 420px;
            margin: 0 auto;
        }
        .subscribe-form input {
            flex: 1;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 10px;
            padding: 12px 16px;
            font-size: 14px;
            color: var(--ink);
            outline: none;
            transition: border-color var(--transition);
        }
        .subscribe-form input::placeholder { color: var(--ink-2); }
        .subscribe-form input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(0, 229, 160, 0.12);
        }
        .subscribe-form button {
            flex-shrink: 0;
        }

        /* 资源工具 */
        .tool-card {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 18px;
        }
        .tool-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(0, 212, 255, 0.1);
            border: 1px solid rgba(0, 212, 255, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
        }
        .tool-card h3 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 4px;
        }
        .tool-card p {
            font-size: 13px;
            color: var(--ink-2);
            margin: 0;
        }

        /* 页脚 */
        .site-footer {
            background: #060A14;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 56px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            padding-bottom: 40px;
        }
        .footer-brand-desc {
            font-size: 13px;
            color: var(--ink-2);
            line-height: 1.7;
            margin-top: 16px;
            max-width: 280px;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 16px;
        }
        .footer-col a {
            display: block;
            font-size: 13px;
            color: var(--ink-2);
            margin-bottom: 10px;
            transition: color var(--transition);
        }
        .footer-col a:hover { color: var(--accent); }
        .footer-form {
            display: flex;
            gap: 8px;
            margin-top: 8px;
        }
        .footer-form input {
            flex: 1;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 8px;
            padding: 10px 12px;
            font-size: 13px;
            color: var(--ink);
            outline: none;
        }
        .footer-form input:focus { border-color: var(--accent); }
        .footer-form button {
            flex-shrink: 0;
            padding: 10px 16px;
            font-size: 13px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 20px 0;
            font-size: 12px;
            color: var(--ink-2);
        }
        .footer-bottom .container {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            justify-content: space-between;
        }
        .footer-bottom a {
            color: var(--ink-2);
            transition: color var(--transition);
        }
        .footer-bottom a:hover { color: var(--accent); }
        .footer-legal {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 16px;
            align-items: center;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .hero-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
            .grid-3 { grid-template-columns: repeat(2, 1fr); }
            .grid-4 { grid-template-columns: repeat(2, 1fr); }
            .grid-2 { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .hero-title { font-size: 30px; }
        }

        @media (max-width: 768px) {
            .main-nav { display: none; }
            .hamburger { display: flex; }
            .hero-grid { grid-template-columns: 1fr; padding: 40px 0; }
            .hero-card-stack { flex-direction: row; flex-wrap: wrap; }
            .hero-data-card { flex: 1; min-width: 140px; }
            .hero-title { font-size: 26px; }
            .hero-desc { font-size: 14px; }
            .section { padding: 48px 0; }
            .section-title { font-size: 22px; }
            .grid-3 { grid-template-columns: 1fr; }
            .grid-4 { grid-template-columns: 1fr 1fr; }
            .footer-grid { grid-template-columns: 1fr; gap: 28px; }
            .container { padding-left: 16px; padding-right: 16px; }
            .top-bar { padding: 0 16px; }
            .top-bar .top-actions a:first-child { margin-left: 0; }
        }

        @media (max-width: 520px) {
            .grid-4 { grid-template-columns: 1fr; }
            .hero-data-card { min-width: 100%; }
            .hero-buttons { flex-direction: column; }
            .btn { width: 100%; }
            .data-bar-label { width: 70px; font-size: 12px; }
            .data-bar-value { width: 40px; font-size: 12px; }
            .subscribe-form { flex-direction: column; }
            .footer-form { flex-direction: column; }
            .footer-bottom .container { flex-direction: column; align-items: flex-start; }
        }

/* roulang page: category1 */
:root {
            --bg: #0A0F1E;
            --bg-2: #0B1626;
            --primary: #1E6FFF;
            --accent: #00E5A0;
            --cyan: #00D4FF;
            --ink: #E2EDFF;
            --ink-2: #8FA3C4;
            --border: rgba(255, 255, 255, 0.08);
            --border-highlight: rgba(0, 229, 160, 0.4);
            --glass-bg: rgba(255, 255, 255, 0.06);
            --glass-bg-strong: rgba(20, 40, 80, 0.45);
            --glass-hover: rgba(255, 255, 255, 0.1);
            --radius: 18px;
            --radius-sm: 12px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(255, 255, 255, 0.04);
            --shadow-glow: 0 0 25px rgba(0, 229, 160, 0.45);
            --transition: 0.25s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: var(--bg);
            color: var(--ink);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            font-size: 16px;
            line-height: 1.7;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--accent);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: #fff;
        }
        img {
            display: block;
            max-width: 100%;
        }
        button,
        input,
        textarea {
            font-family: inherit;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .top-bar {
            background: #060b18;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            height: 36px;
            display: flex;
            align-items: center;
            font-size: 12px;
            color: var(--ink-2);
        }
        .top-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .top-bar .domain-hint {
            letter-spacing: 0.3px;
            color: #6b7f9e;
        }
        .top-bar .top-actions a {
            color: var(--ink-2);
            font-size: 12px;
            margin-left: 16px;
            transition: color var(--transition);
        }
        .top-bar .top-actions a:hover {
            color: var(--accent);
        }
        .main-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(10, 15, 30, 0.92);
            backdrop-filter: blur(14px) saturate(140%);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            height: 72px;
            display: flex;
            align-items: center;
        }
        .main-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .logo .logo-mark {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--accent), var(--primary));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 800;
            color: #fff;
        }
        .logo:hover {
            color: #fff;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .main-nav a {
            color: var(--ink);
            font-size: 14px;
            font-weight: 600;
            padding: 10px 14px;
            border-radius: 8px;
            transition: all var(--transition);
            position: relative;
            white-space: nowrap;
        }
        .main-nav a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }
        .main-nav a.active {
            color: var(--accent);
            background: rgba(0, 229, 160, 0.08);
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 4px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 5px;
            border-radius: 8px;
            transition: background var(--transition);
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.06);
        }
        .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--ink);
            border-radius: 2px;
            transition: all 0.3s ease;
        }
        .hamburger.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger.open span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: 108px;
            left: 0;
            right: 0;
            z-index: 49;
            background: rgba(10, 15, 30, 0.97);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            padding: 16px 24px 24px;
            flex-direction: column;
            gap: 6px;
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu a {
            color: var(--ink);
            font-size: 15px;
            font-weight: 600;
            padding: 12px 16px;
            border-radius: 10px;
            transition: all var(--transition);
        }
        .mobile-menu a:hover {
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
        }
        .mobile-menu a.active {
            color: var(--accent);
            background: rgba(0, 229, 160, 0.08);
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--ink-2);
            margin-bottom: 12px;
        }
        .breadcrumb a {
            color: var(--ink-2);
            transition: color var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }
        .breadcrumb .sep {
            color: #4a5c7a;
        }
        .breadcrumb .current {
            color: var(--accent);
        }
        .section-label {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent);
            letter-spacing: 0.5px;
            margin-bottom: 8px;
            text-transform: uppercase;
        }
        .section-title {
            font-size: 26px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 12px;
            letter-spacing: 0.3px;
        }
        .section-desc {
            font-size: 15px;
            color: var(--ink-2);
            max-width: 680px;
            line-height: 1.8;
        }
        .glass-card {
            background: var(--glass-bg);
            backdrop-filter: blur(16px) saturate(140%);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            overflow: hidden;
        }
        .glass-card:hover {
            background: var(--glass-hover);
            border-color: var(--border-highlight);
            box-shadow: var(--shadow-glow);
            transform: translateY(-4px);
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
            font-size: 14px;
            border-radius: 10px;
            padding: 10px 20px;
            cursor: pointer;
            transition: all var(--transition);
            border: 1px solid transparent;
            text-align: center;
            justify-content: center;
        }
        .btn-primary {
            background: rgba(0, 229, 160, 0.15);
            border: 1px solid rgba(0, 229, 160, 0.5);
            color: #DCFCF0;
        }
        .btn-primary:hover {
            box-shadow: var(--shadow-glow);
            background: transparent;
            color: #fff;
            border-color: var(--accent);
        }
        .btn-secondary {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: var(--ink-2);
        }
        .btn-secondary:hover {
            border-color: #fff;
            color: #fff;
            background: rgba(255, 255, 255, 0.04);
        }
        .btn-link {
            color: var(--accent);
            font-size: 14px;
            font-weight: 600;
            background: none;
            border: none;
            cursor: pointer;
            padding: 4px 0;
            transition: color var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .btn-link:hover {
            color: #fff;
        }
        .tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 500;
            padding: 4px 12px;
            border-radius: 20px;
            background: rgba(30, 111, 255, 0.15);
            border: 1px solid rgba(30, 111, 255, 0.3);
            color: #a8c8ff;
            transition: all var(--transition);
            cursor: pointer;
            white-space: nowrap;
        }
        .tag:hover {
            background: rgba(30, 111, 255, 0.25);
            border-color: rgba(30, 111, 255, 0.5);
            color: #fff;
        }
        .tag-green {
            background: rgba(0, 229, 160, 0.12);
            border-color: rgba(0, 229, 160, 0.35);
            color: #b5f5e3;
        }
        .tag-green:hover {
            background: rgba(0, 229, 160, 0.22);
            border-color: rgba(0, 229, 160, 0.55);
            color: #fff;
        }
        .tag-cyan {
            background: rgba(0, 212, 255, 0.12);
            border-color: rgba(0, 212, 255, 0.35);
            color: #aeeeff;
        }
        .tag-cyan:hover {
            background: rgba(0, 212, 255, 0.22);
            border-color: rgba(0, 212, 255, 0.55);
            color: #fff;
        }
        .stat-number {
            font-size: 36px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
            letter-spacing: -0.5px;
        }
        .data-bar-track {
            height: 8px;
            border-radius: 4px;
            background: rgba(255, 255, 255, 0.08);
            overflow: hidden;
            flex: 1;
        }
        .data-bar-fill {
            height: 100%;
            border-radius: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            transition: width 0.6s ease;
        }
        .footer-form input {
            flex: 1;
            padding: 10px 14px;
            border-radius: 8px;
            border: 1px solid rgba(255, 255, 255, 0.15);
            background: rgba(255, 255, 255, 0.05);
            color: #fff;
            font-size: 13px;
            outline: none;
            transition: border-color var(--transition);
        }
        .footer-form input::placeholder {
            color: #5a6d8c;
        }
        .footer-form input:focus {
            border-color: var(--accent);
        }
        .site-footer {
            background: #060b18;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 48px 0 24px;
            margin-top: 72px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 12px;
        }
        .footer-col a {
            display: block;
            font-size: 13px;
            color: var(--ink-2);
            margin-bottom: 8px;
            transition: color var(--transition);
        }
        .footer-col a:hover {
            color: var(--accent);
        }
        .footer-brand-desc {
            font-size: 13px;
            color: var(--ink-2);
            line-height: 1.7;
            margin-top: 12px;
            max-width: 280px;
        }
        .footer-form {
            display: flex;
            gap: 8px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: #5a6d8c;
        }
        .footer-bottom a {
            color: #5a6d8c;
            transition: color var(--transition);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }
        .footer-legal {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .post-card {
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .post-card .cover-wrap {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
            border-radius: 16px 16px 0 0;
            background: var(--bg-2);
        }
        .post-card .cover-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .post-card:hover .cover-wrap img {
            transform: scale(1.05);
        }
        .post-card .card-body {
            padding: 16px 18px 18px;
            display: flex;
            flex-direction: column;
            flex: 1;
            gap: 8px;
        }
        .post-card .card-tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }
        .post-card .card-title {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            line-height: 1.45;
            margin: 0;
        }
        .post-card .card-summary {
            font-size: 13px;
            color: var(--ink-2);
            line-height: 1.6;
            margin: 0;
            flex: 1;
        }
        .post-card .card-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 12px;
            color: #5a6d8c;
        }
        .rank-badge {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 14px;
            flex-shrink: 0;
        }
        .rank-1 {
            background: rgba(255, 215, 0, 0.25);
            color: #FFD700;
            border: 1px solid rgba(255, 215, 0, 0.4);
        }
        .rank-2 {
            background: rgba(192, 192, 192, 0.2);
            color: #C0C0C0;
            border: 1px solid rgba(192, 192, 192, 0.4);
        }
        .rank-3 {
            background: rgba(205, 127, 50, 0.25);
            color: #CD7F32;
            border: 1px solid rgba(205, 127, 50, 0.4);
        }
        .rank-default {
            background: rgba(255, 255, 255, 0.06);
            color: var(--ink-2);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        .category-hero {
            padding: 48px 0 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            background: linear-gradient(180deg, rgba(11, 22, 38, 0.6) 0%, transparent 100%);
        }
        .category-hero .h1 {
            font-size: 34px;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.5px;
            margin: 0 0 10px;
            line-height: 1.3;
        }
        .category-hero .lead {
            font-size: 16px;
            color: var(--ink-2);
            max-width: 720px;
            line-height: 1.8;
            margin: 0;
        }
        .section-space {
            padding: 56px 0;
        }
        .section-space-sm {
            padding: 32px 0;
        }
        @media (max-width: 1024px) {
            .main-nav a {
                padding: 10px 8px;
                font-size: 13px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .main-nav {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .mobile-menu {
                display: none;
            }
            .mobile-menu.open {
                display: flex;
            }
            .section-title {
                font-size: 22px;
            }
            .category-hero .h1 {
                font-size: 26px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
            .section-space {
                padding: 36px 0;
            }
            .stat-number {
                font-size: 28px;
            }
            .footer-form {
                flex-direction: column;
            }
            .breadcrumb {
                flex-wrap: wrap;
                gap: 4px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .main-header {
                height: 60px;
            }
            .logo {
                font-size: 17px;
            }
            .logo .logo-mark {
                width: 28px;
                height: 28px;
                font-size: 15px;
            }
            .category-hero .h1 {
                font-size: 22px;
            }
            .section-title {
                font-size: 19px;
            }
            .top-bar .top-actions a:first-child {
                margin-left: 0;
            }
            .top-bar .top-actions a {
                margin-left: 8px;
                font-size: 11px;
            }
            .top-bar .domain-hint {
                font-size: 10px;
            }
        }
        .card-list-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        @media (max-width: 1024px) {
            .card-list-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .card-list-grid {
                grid-template-columns: 1fr;
            }
        }
        .snapshot-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        @media (max-width: 1024px) {
            .snapshot-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .snapshot-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
        }
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        @media (max-width: 1024px) {
            .topic-grid {
                grid-template-columns: 1fr;
            }
        }
        .rank-list-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 14px 16px;
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: all var(--transition);
        }
        .rank-list-item:hover {
            background: rgba(255, 255, 255, 0.07);
            border-color: rgba(0, 229, 160, 0.25);
        }
        .rank-name {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
        }
        .rank-value {
            font-size: 16px;
            font-weight: 700;
            color: var(--accent);
            margin-left: auto;
            white-space: nowrap;
        }
        .cta-banner {
            background: linear-gradient(135deg, rgba(30, 111, 255, 0.2) 0%, rgba(0, 229, 160, 0.18) 100%);
            border: 1px solid rgba(0, 229, 160, 0.3);
            border-radius: var(--radius);
            padding: 32px 28px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }
        .cta-banner .cta-text h3 {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 6px;
        }
        .cta-banner .cta-text p {
            font-size: 14px;
            color: var(--ink-2);
            margin: 0;
        }

/* roulang page: category2 */
:root {
            --bg: #0A0F1E;
            --bg-2: #0B1626;
            --primary: #1E6FFF;
            --accent: #00E5A0;
            --cyan: #00D4FF;
            --ink: #E2EDFF;
            --ink-2: #8FA3C4;
            --border: rgba(255, 255, 255, 0.08);
            --border-highlight: rgba(0, 229, 160, 0.4);
            --glass-bg: rgba(255, 255, 255, 0.06);
            --glass-bg-strong: rgba(20, 40, 80, 0.45);
            --glass-hover: rgba(255, 255, 255, 0.1);
            --radius: 18px;
            --radius-sm: 12px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(255, 255, 255, 0.04);
            --shadow-glow: 0 0 25px rgba(0, 229, 160, 0.45);
            --transition: 0.25s ease;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            background-color: var(--bg);
            color: var(--ink);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            font-size: 16px;
            line-height: 1.7;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: var(--accent);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: #fff;
        }

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

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* 顶部信息条 */
        .top-bar {
            background: #080D17;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            height: 36px;
            display: flex;
            align-items: center;
            font-size: 12px;
            color: var(--ink-2);
            z-index: 60;
            position: relative;
        }
        .top-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .top-bar .domain-hint {
            letter-spacing: 0.3px;
        }
        .top-bar .top-actions {
            display: flex;
            align-items: center;
        }
        .top-bar .top-actions a {
            color: var(--ink-2);
            font-size: 12px;
            margin-left: 16px;
            transition: color var(--transition);
        }
        .top-bar .top-actions a:hover {
            color: var(--accent);
        }

        /* 主导航 */
        .main-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(10, 15, 30, 0.92);
            backdrop-filter: blur(14px) saturate(140%);
            -webkit-backdrop-filter: blur(14px) saturate(140%);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            height: 72px;
            display: flex;
            align-items: center;
        }
        .main-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .logo .logo-mark {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--accent), var(--primary));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 800;
            color: #fff;
        }
        .logo:hover {
            color: #fff;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .main-nav a {
            color: var(--ink);
            font-size: 14px;
            font-weight: 600;
            padding: 10px 14px;
            border-radius: 8px;
            transition: all var(--transition);
            position: relative;
            white-space: nowrap;
        }
        .main-nav a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }
        .main-nav a.active {
            color: var(--accent);
            background: rgba(0, 229, 160, 0.08);
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 4px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        .hamburger {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 5px;
            border-radius: 8px;
            transition: background var(--transition);
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.06);
        }
        .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--ink);
            border-radius: 2px;
            transition: all 0.3s ease;
        }
        .hamburger.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger.open span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 108px;
            left: 0;
            right: 0;
            z-index: 49;
            background: rgba(10, 15, 30, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            padding: 16px 24px 24px;
            flex-direction: column;
            gap: 6px;
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu a {
            color: var(--ink);
            font-size: 15px;
            font-weight: 600;
            padding: 12px 16px;
            border-radius: 10px;
            transition: all var(--transition);
        }
        .mobile-menu a:hover {
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
        }
        .mobile-menu a.active {
            color: var(--accent);
            background: rgba(0, 229, 160, 0.08);
        }

        /* 分类页首屏 - 紧凑型标题区 */
        .category-header {
            position: relative;
            padding: 56px 0 48px;
            background-color: var(--bg);
            background-image: url('/assets/images/1ac18bf01475145f.webp');
            background-size: cover;
            background-position: center;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .category-header::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 15, 30, 0.88) 0%, rgba(10, 15, 30, 0.94) 100%);
        }
        .category-header .container {
            position: relative;
            z-index: 1;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--ink-2);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--ink-2);
            transition: color var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }
        .breadcrumb .separator {
            color: rgba(255, 255, 255, 0.25);
            font-size: 12px;
        }
        .breadcrumb .current {
            color: var(--accent);
            font-weight: 600;
        }
        .category-header h1 {
            font-size: 36px;
            font-weight: 800;
            color: #fff;
            margin: 0 0 16px;
            letter-spacing: 1px;
        }
        .category-header .header-desc {
            font-size: 16px;
            color: var(--ink-2);
            max-width: 720px;
            line-height: 1.8;
            margin: 0;
        }
        .category-header .header-meta {
            display: flex;
            align-items: center;
            gap: 20px;
            margin-top: 20px;
            flex-wrap: wrap;
        }
        .category-header .header-meta span {
            font-size: 13px;
            color: var(--ink-2);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .category-header .header-meta .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
            display: inline-block;
        }

        /* 通用 section 样式 */
        .section-block {
            padding: 64px 0;
        }
        .section-block.alt-bg {
            background: rgba(11, 22, 38, 0.55);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }
        .section-title {
            font-size: 24px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 8px;
        }
        .section-subtitle {
            font-size: 15px;
            color: var(--ink-2);
            margin: 0 0 32px;
            max-width: 620px;
        }
        .section-title-wrapper {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            margin-bottom: 28px;
        }
        .section-title-wrapper .accent-bar {
            width: 3px;
            height: 24px;
            background: var(--accent);
            border-radius: 2px;
            flex-shrink: 0;
            margin-top: 6px;
        }
        .section-title-wrapper .title-content {
            flex: 1;
        }
        .section-title-wrapper .title-content h2 {
            font-size: 24px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 6px;
        }
        .section-title-wrapper .title-content p {
            font-size: 15px;
            color: var(--ink-2);
            margin: 0;
        }

        /* 玻璃卡片 */
        .glass-card {
            background: var(--glass-bg);
            backdrop-filter: blur(16px) saturate(140%);
            -webkit-backdrop-filter: blur(16px) saturate(140%);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius);
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            overflow: hidden;
        }
        .glass-card:hover {
            background: var(--glass-hover);
            border-color: var(--border-highlight);
            box-shadow: 0 0 30px rgba(0, 229, 160, 0.15), var(--shadow-card);
            transform: translateY(-4px);
        }
        .glass-card .card-body {
            padding: 18px 20px 20px;
        }
        .glass-card .card-image {
            width: 100%;
            height: 160px;
            object-fit: cover;
            display: block;
        }
        .glass-card .card-title {
            font-size: 17px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 8px;
            line-height: 1.5;
        }
        .glass-card .card-summary {
            font-size: 14px;
            color: var(--ink-2);
            line-height: 1.7;
            margin: 0 0 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .glass-card .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: var(--ink-2);
            flex-wrap: wrap;
        }
        .glass-card .card-meta .tag {
            background: rgba(0, 229, 160, 0.1);
            color: var(--accent);
            padding: 2px 10px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 500;
            border: 1px solid rgba(0, 229, 160, 0.2);
        }

        /* 按钮 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 20px;
            font-size: 15px;
            font-weight: 600;
            border-radius: 10px;
            cursor: pointer;
            transition: all var(--transition);
            border: 1px solid transparent;
            gap: 8px;
            white-space: nowrap;
        }
        .btn:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .btn-primary {
            background: rgba(0, 229, 160, 0.15);
            border-color: rgba(0, 229, 160, 0.5);
            color: #DCFCF0;
        }
        .btn-primary:hover {
            box-shadow: var(--shadow-glow);
            background: rgba(0, 229, 160, 0.1);
            color: #fff;
            border-color: var(--accent);
        }
        .btn-secondary {
            background: transparent;
            border-color: rgba(255, 255, 255, 0.2);
            color: var(--ink-2);
        }
        .btn-secondary:hover {
            border-color: #fff;
            color: #fff;
            background: rgba(255, 255, 255, 0.05);
        }
        .btn-sm {
            padding: 8px 14px;
            font-size: 13px;
            border-radius: 8px;
        }

        /* 标签条 */
        .tag-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag-bar .tag-item {
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            color: var(--ink-2);
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .tag-bar .tag-item:hover {
            background: rgba(0, 229, 160, 0.1);
            border-color: rgba(0, 229, 160, 0.35);
            color: var(--accent);
        }
        .tag-bar .tag-item.active {
            background: rgba(0, 229, 160, 0.12);
            border-color: rgba(0, 229, 160, 0.5);
            color: var(--accent);
        }

        /* 数据快照 */
        .stat-card {
            background: var(--glass-bg);
            backdrop-filter: blur(16px) saturate(140%);
            -webkit-backdrop-filter: blur(16px) saturate(140%);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-sm);
            padding: 24px;
            text-align: center;
            transition: all var(--transition);
        }
        .stat-card:hover {
            border-color: rgba(0, 229, 160, 0.3);
            background: var(--glass-hover);
        }
        .stat-card .stat-number {
            font-size: 36px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
            margin-bottom: 6px;
            font-family: 'Inter', system-ui, sans-serif;
            text-shadow: 0 0 20px rgba(0, 229, 160, 0.35);
        }
        .stat-card .stat-label {
            font-size: 13px;
            color: var(--ink-2);
            margin: 0;
        }

        /* 规则速查列表 */
        .rule-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .rule-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.07);
            border-radius: var(--radius-sm);
            padding: 16px 18px;
            transition: all var(--transition);
        }
        .rule-item:hover {
            background: rgba(255, 255, 255, 0.07);
            border-color: rgba(0, 229, 160, 0.25);
        }
        .rule-item .rule-index {
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background: rgba(0, 229, 160, 0.12);
            color: var(--accent);
            font-size: 13px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-family: 'Inter', system-ui, sans-serif;
        }
        .rule-item .rule-content h3 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 4px;
        }
        .rule-item .rule-content p {
            font-size: 14px;
            color: var(--ink-2);
            margin: 0;
            line-height: 1.7;
        }

        /* 专题大卡 */
        .topic-card {
            background: var(--glass-bg-strong);
            backdrop-filter: blur(16px) saturate(140%);
            -webkit-backdrop-filter: blur(16px) saturate(140%);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .topic-card:hover {
            border-color: var(--border-highlight);
            box-shadow: 0 0 30px rgba(0, 229, 160, 0.12);
            transform: translateY(-3px);
        }
        .topic-card .topic-image {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .topic-card .topic-body {
            padding: 20px 24px 24px;
            flex: 1;
        }
        .topic-card .topic-title {
            font-size: 19px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 8px;
        }
        .topic-card .topic-desc {
            font-size: 14px;
            color: var(--ink-2);
            line-height: 1.75;
            margin: 0;
        }

        /* 订阅 CTA */
        .cta-section {
            padding: 72px 0;
            background: linear-gradient(135deg, rgba(0, 229, 160, 0.06) 0%, rgba(30, 111, 255, 0.06) 100%);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .cta-box {
            text-align: center;
            max-width: 560px;
            margin: 0 auto;
        }
        .cta-box h2 {
            font-size: 26px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 12px;
        }
        .cta-box p {
            font-size: 15px;
            color: var(--ink-2);
            margin: 0 0 28px;
            line-height: 1.8;
        }
        .cta-box .btn {
            font-size: 16px;
            padding: 12px 28px;
        }

        /* 页脚 */
        .site-footer {
            background: #080D17;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 56px 0 0;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.4fr;
            gap: 40px;
            padding-bottom: 40px;
        }
        .site-footer .footer-brand-desc {
            font-size: 14px;
            color: var(--ink-2);
            line-height: 1.7;
            margin: 16px 0 0;
            max-width: 320px;
        }
        .site-footer .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 16px;
        }
        .site-footer .footer-col a {
            display: block;
            font-size: 14px;
            color: var(--ink-2);
            padding: 5px 0;
            transition: all var(--transition);
        }
        .site-footer .footer-col a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .site-footer .footer-form {
            display: flex;
            gap: 8px;
        }
        .site-footer .footer-form input {
            flex: 1;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 8px;
            padding: 10px 14px;
            color: #fff;
            font-size: 14px;
            outline: none;
            transition: border var(--transition);
            min-width: 0;
        }
        .site-footer .footer-form input::placeholder {
            color: rgba(255, 255, 255, 0.3);
        }
        .site-footer .footer-form input:focus {
            border-color: rgba(0, 229, 160, 0.5);
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 20px 0;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            justify-content: space-between;
        }
        .site-footer .footer-bottom .footer-legal {
            display: flex;
            flex-direction: column;
            gap: 4px;
            font-size: 12px;
            color: var(--ink-2);
            text-align: right;
        }
        .site-footer .footer-bottom .footer-basic {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            font-size: 14px;
            color: var(--ink-2);
        }
        .site-footer .footer-bottom .footer-basic a {
            font-size: 13px;
            color: var(--ink-2);
        }
        .site-footer .footer-bottom .footer-basic a:hover {
            color: var(--accent);
        }

        /* 段落文本 */
        .text-paragraph {
            font-size: 15px;
            color: var(--ink-2);
            line-height: 1.85;
            margin: 0 0 16px;
        }
        .text-paragraph:last-child {
            margin-bottom: 0;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .main-nav a {
                padding: 10px 8px;
                font-size: 13px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 768px) {
            .main-nav {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .category-header {
                padding: 40px 0 36px;
            }
            .category-header h1 {
                font-size: 28px;
            }
            .section-block {
                padding: 48px 0;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 12px;
            }
            .site-footer .footer-bottom .footer-legal {
                text-align: center;
            }
            .cta-box h2 {
                font-size: 22px;
            }
            .stat-card .stat-number {
                font-size: 28px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .top-bar .domain-hint {
                display: none;
            }
            .category-header h1 {
                font-size: 24px;
            }
            .category-header .header-desc {
                font-size: 14px;
            }
            .card-image,
            .topic-card .topic-image {
                height: 140px;
            }
            .rule-item {
                flex-direction: column;
                gap: 8px;
            }
            .cta-box .btn {
                width: 100%;
                font-size: 15px;
            }
            .footer-form {
                flex-direction: column;
            }
            .footer-form .btn {
                width: 100%;
            }
        }

/* roulang page: category3 */
:root {
            --bg: #0A0F1E;
            --bg-2: #0B1626;
            --primary: #1E6FFF;
            --accent: #00E5A0;
            --cyan: #00D4FF;
            --ink: #E2EDFF;
            --ink-2: #8FA3C4;
            --border: rgba(255, 255, 255, 0.08);
            --border-highlight: rgba(0, 229, 160, 0.4);
            --glass-bg: rgba(255, 255, 255, 0.06);
            --glass-bg-strong: rgba(20, 40, 80, 0.45);
            --glass-hover: rgba(255, 255, 255, 0.1);
            --radius: 18px;
            --radius-sm: 12px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(255, 255, 255, 0.04);
            --shadow-glow: 0 0 25px rgba(0, 229, 160, 0.45);
            --transition: 0.25s ease;
        }

        html {
            scroll-behavior: smooth;
        }
        * {
            box-sizing: border-box;
        }
        body {
            background-color: var(--bg);
            color: var(--ink);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            font-size: 16px;
            line-height: 1.7;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--accent);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: #fff;
        }
        img {
            display: block;
            max-width: 100%;
        }
        button,
        input,
        textarea {
            font-family: inherit;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* 顶部信息条 */
        .top-bar {
            background: rgba(5, 8, 18, 0.96);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            height: 36px;
            display: flex;
            align-items: center;
            font-size: 12px;
            color: var(--ink-2);
            position: relative;
            z-index: 60;
        }
        .top-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .top-bar .domain-hint {
            letter-spacing: 0.3px;
            color: var(--ink-2);
            font-size: 11px;
        }
        .top-bar .season-tip {
            color: var(--ink-2);
            font-size: 12px;
            letter-spacing: 0.2px;
        }
        .top-bar .top-actions {
            display: flex;
            align-items: center;
        }
        .top-bar .top-actions a {
            color: var(--ink-2);
            font-size: 12px;
            margin-left: 16px;
            transition: color var(--transition);
            font-weight: 500;
        }
        .top-bar .top-actions a:hover {
            color: var(--accent);
        }

        /* 主导航 */
        .main-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(10, 15, 30, 0.92);
            backdrop-filter: blur(14px) saturate(140%);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            height: 72px;
            display: flex;
            align-items: center;
        }
        .main-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.5px;
            white-space: nowrap;
            transition: color var(--transition);
        }
        .logo:hover {
            color: #fff;
        }
        .logo .logo-mark {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--accent), var(--primary));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 800;
            color: #fff;
            flex-shrink: 0;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .main-nav a {
            color: var(--ink);
            font-size: 14px;
            font-weight: 600;
            padding: 10px 14px;
            border-radius: 8px;
            transition: all var(--transition);
            position: relative;
            white-space: nowrap;
        }
        .main-nav a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }
        .main-nav a.active {
            color: var(--accent);
            background: rgba(0, 229, 160, 0.08);
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 4px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 5px;
            border-radius: 8px;
            transition: background var(--transition);
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.06);
        }
        .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--ink);
            border-radius: 2px;
            transition: all 0.3s ease;
        }
        .hamburger.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger.open span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* 移动端导航抽屉 */
        .mobile-menu {
            display: none;
            position: fixed;
            top: 108px;
            left: 0;
            right: 0;
            z-index: 49;
            background: rgba(10, 15, 30, 0.97);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            padding: 16px 24px 24px;
            flex-direction: column;
            gap: 6px;
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu a {
            color: var(--ink);
            font-size: 15px;
            font-weight: 600;
            padding: 12px 16px;
            border-radius: 10px;
            transition: all var(--transition);
        }
        .mobile-menu a:hover {
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
        }
        .mobile-menu a.active {
            color: var(--accent);
            background: rgba(0, 229, 160, 0.08);
        }

        /* 面包屑 */
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 13px;
            color: var(--ink-2);
            margin-bottom: 16px;
        }
        .breadcrumb a {
            color: var(--ink-2);
            transition: color var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }
        .breadcrumb .separator {
            color: rgba(255, 255, 255, 0.25);
            font-size: 12px;
        }
        .breadcrumb .current {
            color: var(--accent);
            font-weight: 500;
        }

        /* 分类标题区 */
        .category-header {
            padding: 56px 0 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            background: linear-gradient(180deg, rgba(11, 22, 38, 0.6) 0%, rgba(10, 15, 30, 0) 100%);
        }
        .category-header h1 {
            font-size: 32px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 12px;
            letter-spacing: 0.5px;
            line-height: 1.3;
        }
        .category-header .category-desc {
            font-size: 15px;
            color: var(--ink-2);
            max-width: 720px;
            line-height: 1.8;
            margin: 0;
        }

        /* 通用 section */
        .section-block {
            padding: 56px 0;
        }
        .section-block.alt-bg {
            background: rgba(11, 22, 38, 0.4);
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent);
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 12px;
        }
        .section-label::before {
            content: '';
            width: 3px;
            height: 16px;
            background: var(--accent);
            border-radius: 2px;
        }
        .section-title {
            font-size: 24px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 12px;
            letter-spacing: 0.3px;
            line-height: 1.35;
        }
        .section-sub {
            font-size: 15px;
            color: var(--ink-2);
            margin: 0 0 32px;
            max-width: 680px;
            line-height: 1.8;
        }

        /* 玻璃卡片 */
        .glass-card {
            background: var(--glass-bg);
            backdrop-filter: blur(16px) saturate(140%);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius);
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
        }
        .glass-card:hover {
            background: var(--glass-hover);
            border-color: var(--border-highlight);
            box-shadow: 0 0 30px rgba(0, 229, 160, 0.15), 0 8px 24px rgba(0, 0, 0, 0.35);
            transform: translateY(-4px);
        }

        /* 按钮 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            font-size: 14px;
            border-radius: 10px;
            padding: 10px 20px;
            cursor: pointer;
            transition: all var(--transition);
            border: 1px solid transparent;
            white-space: nowrap;
        }
        .btn-primary {
            background: rgba(0, 229, 160, 0.15);
            border-color: rgba(0, 229, 160, 0.5);
            color: #DCFCF0;
        }
        .btn-primary:hover {
            box-shadow: 0 0 25px rgba(0, 229, 160, 0.45);
            background: transparent;
            color: #fff;
            border-color: var(--accent);
        }
        .btn-secondary {
            background: transparent;
            border-color: rgba(255, 255, 255, 0.2);
            color: var(--ink-2);
        }
        .btn-secondary:hover {
            border-color: #fff;
            color: #fff;
            background: rgba(255, 255, 255, 0.05);
        }
        .btn:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        /* 评测卡片 */
        .review-card {
            background: var(--glass-bg);
            backdrop-filter: blur(16px) saturate(140%);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .review-card:hover {
            background: var(--glass-hover);
            border-color: var(--border-highlight);
            box-shadow: 0 0 30px rgba(0, 229, 160, 0.15), 0 8px 24px rgba(0, 0, 0, 0.35);
            transform: translateY(-4px);
        }
        .review-card .review-img {
            height: 180px;
            overflow: hidden;
            position: relative;
            background: var(--bg-2);
        }
        .review-card .review-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .review-card:hover .review-img img {
            transform: scale(1.05);
        }
        .review-card .review-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .review-card .review-tag {
            display: inline-block;
            font-size: 11px;
            font-weight: 600;
            color: var(--cyan);
            background: rgba(0, 212, 255, 0.1);
            border: 1px solid rgba(0, 212, 255, 0.2);
            padding: 3px 10px;
            border-radius: 20px;
            margin-bottom: 10px;
            align-self: flex-start;
        }
        .review-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 8px;
            line-height: 1.4;
        }
        .review-card .review-summary {
            font-size: 13px;
            color: var(--ink-2);
            line-height: 1.7;
            margin: 0 0 12px;
            flex: 1;
        }
        .review-card .review-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: var(--ink-2);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 12px;
        }
        .review-card .review-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            transition: color var(--transition);
        }
        .review-card .review-link:hover {
            color: #fff;
        }

        /* 星星评级 */
        .stars {
            display: inline-flex;
            align-items: center;
            gap: 2px;
            font-size: 14px;
            color: #FFC107;
            letter-spacing: 1px;
        }
        .stars .empty {
            color: rgba(255, 255, 255, 0.2);
        }
        .stars .score-num {
            color: var(--ink);
            font-size: 13px;
            font-weight: 700;
            margin-left: 6px;
            letter-spacing: 0;
        }

        /* 对比数据条 */
        .compare-row {
            display: grid;
            grid-template-columns: 120px 1fr 60px;
            align-items: center;
            gap: 16px;
            padding: 12px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }
        .compare-row:last-child {
            border-bottom: none;
        }
        .compare-row .compare-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--ink);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .compare-row .bar-track {
            height: 10px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 6px;
            overflow: hidden;
            position: relative;
        }
        .compare-row .bar-fill {
            height: 100%;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            border-radius: 6px;
            transition: width 0.6s ease;
        }
        .compare-row .bar-value {
            font-size: 13px;
            font-weight: 700;
            color: var(--accent);
            text-align: right;
            white-space: nowrap;
        }

        /* 推荐榜 */
        .rank-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 20px;
            background: var(--glass-bg);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            transition: all var(--transition);
        }
        .rank-item:hover {
            background: var(--glass-hover);
            border-color: var(--border-highlight);
            box-shadow: 0 0 20px rgba(0, 229, 160, 0.1);
        }
        .rank-item .rank-badge {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 15px;
            flex-shrink: 0;
        }
        .rank-item .rank-badge.rank-1 {
            background: linear-gradient(135deg, #FFD700, #FFA000);
            color: #0A0F1E;
        }
        .rank-item .rank-badge.rank-2 {
            background: linear-gradient(135deg, #C0C0C0, #8FA3C4);
            color: #0A0F1E;
        }
        .rank-item .rank-badge.rank-3 {
            background: linear-gradient(135deg, #CD7F32, #A0522D);
            color: #fff;
        }
        .rank-item .rank-info {
            flex: 1;
            min-width: 0;
        }
        .rank-item .rank-name {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 4px;
        }
        .rank-item .rank-desc {
            font-size: 13px;
            color: var(--ink-2);
            margin: 0;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .rank-item .rank-score {
            font-size: 20px;
            font-weight: 800;
            color: var(--accent);
            white-space: nowrap;
        }

        /* 标签条 */
        .tag-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag-bar .tag-item {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            font-size: 13px;
            font-weight: 600;
            color: var(--ink);
            background: var(--glass-bg);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 20px;
            cursor: default;
            transition: all var(--transition);
        }
        .tag-bar .tag-item:hover {
            background: var(--glass-hover);
            border-color: var(--border-highlight);
            color: #fff;
            box-shadow: 0 0 15px rgba(0, 229, 160, 0.1);
        }

        /* 数据快照 */
        .stat-card {
            text-align: center;
            padding: 24px 16px;
            background: var(--glass-bg);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-sm);
            transition: all var(--transition);
        }
        .stat-card:hover {
            background: var(--glass-hover);
            border-color: var(--border-highlight);
        }
        .stat-card .stat-num {
            font-size: 32px;
            font-weight: 800;
            color: var(--accent);
            text-shadow: 0 0 20px rgba(0, 229, 160, 0.4);
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .stat-card .stat-label {
            font-size: 13px;
            color: var(--ink-2);
            margin: 0;
        }

        /* 专题卡片 */
        .topic-card {
            background: var(--glass-bg);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all var(--transition);
        }
        .topic-card:hover {
            background: var(--glass-hover);
            border-color: var(--border-highlight);
            box-shadow: 0 0 25px rgba(0, 229, 160, 0.12);
            transform: translateY(-3px);
        }
        .topic-card .topic-img {
            height: 140px;
            overflow: hidden;
        }
        .topic-card .topic-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .topic-card .topic-body {
            padding: 16px 20px 20px;
        }
        .topic-card h3 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 8px;
        }
        .topic-card p {
            font-size: 13px;
            color: var(--ink-2);
            line-height: 1.6;
            margin: 0;
        }

        /* 订阅 CTA */
        .cta-section {
            padding: 64px 0;
            background: linear-gradient(180deg, rgba(11, 22, 38, 0.65) 0%, rgba(10, 15, 30, 0) 100%);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .cta-box {
            background: rgba(0, 229, 160, 0.08);
            border: 1px solid rgba(0, 229, 160, 0.3);
            border-radius: var(--radius);
            padding: 36px 32px;
            text-align: center;
            box-shadow: 0 0 40px rgba(0, 229, 160, 0.08);
        }
        .cta-box h2 {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 10px;
        }
        .cta-box p {
            font-size: 14px;
            color: var(--ink-2);
            margin: 0 0 20px;
            line-height: 1.7;
        }
        .cta-form {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            flex-wrap: wrap;
        }
        .cta-form input {
            width: 280px;
            max-width: 100%;
            padding: 10px 16px;
            border-radius: 10px;
            border: 1px solid rgba(255, 255, 255, 0.15);
            background: rgba(255, 255, 255, 0.05);
            color: var(--ink);
            font-size: 14px;
            outline: none;
            transition: border-color var(--transition);
        }
        .cta-form input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 2px rgba(0, 229, 160, 0.2);
        }
        .cta-form input::placeholder {
            color: var(--ink-2);
        }

        /* 页脚 */
        .site-footer {
            background: rgba(5, 8, 18, 0.96);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 48px 0 24px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 32px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-grid .logo {
            margin-bottom: 12px;
        }
        .footer-brand-desc {
            font-size: 13px;
            color: var(--ink-2);
            line-height: 1.7;
            margin: 0 0 16px;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 14px;
            letter-spacing: 0.3px;
        }
        .footer-col a {
            display: block;
            font-size: 13px;
            color: var(--ink-2);
            padding: 6px 0;
            transition: color var(--transition);
        }
        .footer-col a:hover {
            color: var(--accent);
        }
        .footer-form {
            display: flex;
            gap: 8px;
        }
        .footer-form input {
            flex: 1;
            min-width: 0;
            padding: 9px 14px;
            border-radius: 10px;
            border: 1px solid rgba(255, 255, 255, 0.12);
            background: rgba(255, 255, 255, 0.04);
            color: var(--ink);
            font-size: 13px;
            outline: none;
            transition: border-color var(--transition);
        }
        .footer-form input:focus {
            border-color: var(--accent);
        }
        .footer-form input::placeholder {
            color: var(--ink-2);
        }
        .footer-bottom {
            padding-top: 20px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            font-size: 12px;
            color: var(--ink-2);
        }
        .footer-bottom .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }
        .footer-bottom .footer-links a {
            color: var(--ink-2);
            font-size: 12px;
            transition: color var(--transition);
        }
        .footer-bottom .footer-links a:hover {
            color: var(--accent);
        }
        .footer-bottom .copyright {
            font-size: 12px;
            color: var(--ink-2);
        }
        .footer-bottom .footer-legal {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 12px;
            color: var(--ink-2);
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .compare-row {
                grid-template-columns: 100px 1fr 50px;
            }
        }

        @media (max-width: 768px) {
            .main-nav {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .category-header h1 {
                font-size: 26px;
            }
            .section-title {
                font-size: 20px;
            }
            .review-card .review-img {
                height: 150px;
            }
            .cta-box {
                padding: 28px 20px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .top-bar .season-tip {
                display: none;
            }
            .category-header {
                padding: 40px 0 32px;
            }
            .category-header h1 {
                font-size: 22px;
            }
            .section-block {
                padding: 40px 0;
            }
            .section-title {
                font-size: 18px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .compare-row {
                grid-template-columns: 80px 1fr 45px;
                gap: 8px;
                font-size: 12px;
            }
            .compare-row .compare-name {
                font-size: 12px;
            }
            .stat-card .stat-num {
                font-size: 26px;
            }
            .cta-form input {
                width: 100%;
            }
            .rank-item .rank-score {
                font-size: 16px;
            }
        }

/* roulang page: category4 */
:root {
            --bg: #0A0F1E;
            --bg-2: #0B1626;
            --primary: #1E6FFF;
            --accent: #00E5A0;
            --cyan: #00D4FF;
            --ink: #E2EDFF;
            --ink-2: #8FA3C4;
            --border: rgba(255, 255, 255, 0.08);
            --border-highlight: rgba(0, 229, 160, 0.4);
            --glass-bg: rgba(255, 255, 255, 0.06);
            --glass-bg-strong: rgba(20, 40, 80, 0.45);
            --glass-hover: rgba(255, 255, 255, 0.1);
            --radius: 18px;
            --radius-sm: 12px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(255, 255, 255, 0.04);
            --shadow-glow: 0 0 25px rgba(0, 229, 160, 0.45);
            --transition: 0.25s ease;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            background-color: var(--bg);
            color: var(--ink);
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
            font-size: 16px;
            line-height: 1.7;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: var(--accent);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: #fff;
        }
        img {
            display: block;
            max-width: 100%;
            height: auto;
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
            width: 100%;
        }
        /* 顶部信息条 */
        .top-bar {
            background: #080C18;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            min-height: 36px;
            display: flex;
            align-items: center;
            font-size: 12px;
            color: var(--ink-2);
            position: relative;
            z-index: 51;
        }
        .top-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 36px;
        }
        .domain-hint {
            letter-spacing: 0.3px;
            font-size: 12px;
            color: var(--ink-2);
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        .top-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .top-actions a {
            color: var(--ink-2);
            font-size: 12px;
            transition: color var(--transition);
            white-space: nowrap;
        }
        .top-actions a:hover {
            color: var(--accent);
        }
        /* 主导航 */
        .main-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(10, 15, 30, 0.92);
            backdrop-filter: blur(14px) saturate(140%);
            -webkit-backdrop-filter: blur(14px) saturate(140%);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            min-height: 72px;
            display: flex;
            align-items: center;
        }
        .main-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.5px;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .logo:hover {
            color: #fff;
        }
        .logo .logo-mark {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--accent), var(--primary));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 800;
            color: #fff;
            flex-shrink: 0;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
        }
        .main-nav a {
            color: var(--ink);
            font-size: 14px;
            font-weight: 600;
            padding: 10px 14px;
            border-radius: 8px;
            transition: all var(--transition);
            position: relative;
            white-space: nowrap;
        }
        .main-nav a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }
        .main-nav a.active {
            color: var(--accent);
            background: rgba(0, 229, 160, 0.08);
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 4px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 5px;
            border-radius: 8px;
            transition: background var(--transition);
            flex-shrink: 0;
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.06);
        }
        .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--ink);
            border-radius: 2px;
            transition: all 0.3s ease;
        }
        .hamburger.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger.open span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: 108px;
            left: 0;
            right: 0;
            z-index: 49;
            background: rgba(10, 15, 30, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            padding: 16px 24px 24px;
            flex-direction: column;
            gap: 6px;
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu a {
            color: var(--ink);
            font-size: 15px;
            font-weight: 600;
            padding: 12px 16px;
            border-radius: 10px;
            transition: all var(--transition);
        }
        .mobile-menu a:hover {
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
        }
        .mobile-menu a.active {
            color: var(--accent);
            background: rgba(0, 229, 160, 0.08);
        }
        /* 主体 */
        main {
            flex: 1;
            width: 100%;
        }
        /* 分类标题区 */
        .page-header {
            background-color: var(--bg);
            background-image: linear-gradient(180deg, rgba(10, 15, 30, 0.85) 0%, rgba(10, 15, 30, 0.95) 100%), url('/assets/images/1ac18bf01475145f.webp');
            background-size: cover;
            background-position: center;
            padding: 48px 0 40px;
            border-bottom: 1px solid var(--border);
            position: relative;
        }
        .page-header::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(0, 229, 160, 0.3), transparent);
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--ink-2);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--ink-2);
            transition: color var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }
        .breadcrumb .separator {
            color: rgba(255, 255, 255, 0.3);
            font-size: 12px;
        }
        .breadcrumb .current {
            color: var(--accent);
        }
        .page-header h1 {
            font-size: 34px;
            font-weight: 700;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .page-header .header-desc {
            font-size: 15px;
            color: var(--ink-2);
            max-width: 640px;
            line-height: 1.8;
        }
        /* section 通用 */
        .section {
            padding: 64px 0;
        }
        .section-alt {
            background: var(--bg-2);
        }
        .section-title-wrap {
            margin-bottom: 36px;
        }
        .section-label {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent);
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 8px;
            background: rgba(0, 229, 160, 0.08);
            padding: 4px 12px;
            border-radius: 20px;
            border: 1px solid rgba(0, 229, 160, 0.15);
        }
        .section-title {
            font-size: 26px;
            font-weight: 700;
            color: #fff;
            line-height: 1.35;
            margin-bottom: 8px;
        }
        .section-subtitle {
            font-size: 15px;
            color: var(--ink-2);
            line-height: 1.7;
            max-width: 680px;
        }
        /* 玻璃卡片 */
        .glass-card {
            background: var(--glass-bg);
            backdrop-filter: blur(16px) saturate(140%);
            -webkit-backdrop-filter: blur(16px) saturate(140%);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
        }
        .glass-card:hover {
            background: var(--glass-hover);
            border-color: var(--border-highlight);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35), 0 0 30px rgba(0, 229, 160, 0.15);
            transform: translateY(-4px);
        }
        /* 按钮 */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            border-radius: 10px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition);
            border: none;
            text-decoration: none;
            line-height: 1.5;
        }
        .btn-primary {
            background: rgba(0, 229, 160, 0.15);
            border: 1px solid rgba(0, 229, 160, 0.5);
            color: #DCFCF0;
        }
        .btn-primary:hover {
            box-shadow: var(--shadow-glow);
            background: transparent;
            color: #fff;
            border-color: var(--accent);
        }
        .btn-secondary {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: var(--ink-2);
        }
        .btn-secondary:hover {
            border-color: #fff;
            color: #fff;
        }
        .btn:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        /* 训练计划卡片 */
        .plan-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .plan-card {
            overflow: hidden;
            border-radius: var(--radius);
            background: var(--glass-bg-strong);
            border: 1px solid var(--border);
            backdrop-filter: blur(16px) saturate(140%);
            -webkit-backdrop-filter: blur(16px) saturate(140%);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .plan-card:hover {
            border-color: var(--border-highlight);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), 0 0 30px rgba(0, 229, 160, 0.12);
            transform: translateY(-4px);
        }
        .plan-card .card-img {
            height: 180px;
            background-size: cover;
            background-position: center;
            position: relative;
            overflow: hidden;
        }
        .plan-card .card-img::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: linear-gradient(180deg, transparent, rgba(10, 15, 30, 0.8));
        }
        .plan-card .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            z-index: 2;
            background: rgba(10, 15, 30, 0.8);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border: 1px solid rgba(0, 229, 160, 0.3);
            color: var(--accent);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
        }
        .plan-card .card-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .plan-card .card-title {
            font-size: 17px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .plan-card .card-desc {
            font-size: 14px;
            color: var(--ink-2);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 12px;
        }
        .plan-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: var(--ink-2);
            padding-top: 12px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .plan-card .card-meta .detail-link {
            color: var(--accent);
            font-weight: 600;
            font-size: 13px;
            transition: color var(--transition);
        }
        .plan-card .card-meta .detail-link:hover {
            color: #fff;
        }
        /* 动作要点列表 */
        .step-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .step-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            padding: 16px 20px;
            background: var(--glass-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            transition: all var(--transition);
        }
        .step-item:hover {
            background: var(--glass-hover);
            border-color: rgba(0, 229, 160, 0.25);
        }
        .step-num {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(0, 229, 160, 0.12);
            border: 1px solid rgba(0, 229, 160, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-weight: 700;
            font-size: 15px;
            flex-shrink: 0;
        }
        .step-content h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 4px;
        }
        .step-content p {
            font-size: 14px;
            color: var(--ink-2);
            line-height: 1.6;
        }
        /* 数据快照 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .stat-card {
            background: var(--glass-bg-strong);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px 20px;
            text-align: center;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            transition: all var(--transition);
        }
        .stat-card:hover {
            border-color: rgba(0, 229, 160, 0.3);
            box-shadow: 0 0 25px rgba(0, 229, 160, 0.1);
        }
        .stat-card .stat-num {
            font-size: 38px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
            letter-spacing: -0.5px;
            font-family: 'Inter', system-ui, sans-serif;
        }
        .stat-card .stat-label {
            font-size: 13px;
            color: var(--ink-2);
            margin-top: 6px;
        }
        /* 标签条 */
        .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag-item {
            display: inline-block;
            padding: 8px 18px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border);
            border-radius: 24px;
            font-size: 13px;
            color: var(--ink-2);
            cursor: pointer;
            transition: all var(--transition);
            font-weight: 500;
        }
        .tag-item:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: rgba(0, 229, 160, 0.08);
        }
        .tag-item.active {
            background: rgba(0, 229, 160, 0.12);
            border-color: rgba(0, 229, 160, 0.5);
            color: var(--accent);
            font-weight: 600;
        }
        /* 专题推荐 */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }
        .topic-card {
            display: flex;
            gap: 16px;
            padding: 16px;
            background: var(--glass-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            transition: all var(--transition);
            align-items: center;
        }
        .topic-card:hover {
            background: var(--glass-hover);
            border-color: rgba(0, 229, 160, 0.3);
        }
        .topic-card .topic-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(0, 229, 160, 0.1);
            border: 1px solid rgba(0, 229, 160, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 20px;
            flex-shrink: 0;
        }
        .topic-card h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 4px;
        }
        .topic-card p {
            font-size: 13px;
            color: var(--ink-2);
            line-height: 1.6;
        }
        /* CTA 区域 */
        .cta-section {
            background: var(--bg-2);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
            padding: 64px 0;
        }
        .cta-box {
            background: var(--glass-bg-strong);
            border: 1px solid rgba(0, 229, 160, 0.2);
            border-radius: var(--radius);
            padding: 40px 36px;
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            text-align: center;
        }
        .cta-box h3 {
            font-size: 24px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .cta-box p {
            font-size: 15px;
            color: var(--ink-2);
            margin-bottom: 20px;
        }
        .cta-box .form-row {
            display: flex;
            gap: 12px;
            max-width: 480px;
            margin: 0 auto;
        }
        .cta-box input[type="email"] {
            flex: 1;
            padding: 12px 16px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border);
            border-radius: 10px;
            color: var(--ink);
            font-size: 14px;
            transition: border-color var(--transition);
            outline: none;
            min-width: 0;
        }
        .cta-box input[type="email"]:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(0, 229, 160, 0.1);
        }
        .cta-box input[type="email"]::placeholder {
            color: var(--ink-2);
            opacity: 0.7;
        }
        /* 页脚 */
        .site-footer {
            background: #080C18;
            border-top: 1px solid var(--border);
            padding: 48px 0 28px;
            color: var(--ink-2);
            font-size: 14px;
            flex-shrink: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand-desc {
            font-size: 13px;
            color: var(--ink-2);
            line-height: 1.7;
            margin-top: 12px;
            max-width: 260px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-col a {
            display: block;
            color: var(--ink-2);
            font-size: 13px;
            padding: 6px 0;
            transition: color var(--transition);
        }
        .footer-col a:hover {
            color: var(--accent);
        }
        .footer-form {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .footer-form input {
            flex: 1;
            min-width: 140px;
            padding: 10px 14px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border);
            border-radius: 8px;
            color: var(--ink);
            font-size: 13px;
            outline: none;
            transition: border-color var(--transition);
        }
        .footer-form input:focus {
            border-color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 20px;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-bottom .container {
            padding-left: 0;
            padding-right: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            justify-content: space-between;
        }
        .footer-bottom a {
            color: var(--ink-2);
            font-size: 13px;
            transition: color var(--transition);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }
        .footer-legal {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 12px;
            color: var(--ink-2);
        }
        /* 响应式断点 */
        @media (max-width: 1024px) {
            .plan-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 768px) {
            .main-nav {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .mobile-menu {
                display: none;
            }
            .mobile-menu.open {
                display: flex;
            }
            .page-header h1 {
                font-size: 26px;
            }
            .section {
                padding: 48px 0;
            }
            .section-title {
                font-size: 22px;
            }
            .plan-grid {
                grid-template-columns: 1fr;
            }
            .topic-grid {
                grid-template-columns: 1fr;
            }
            .cta-box {
                padding: 28px 20px;
            }
            .cta-box .form-row {
                flex-direction: column;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .top-bar .top-actions a:first-child {
                display: none;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-card .stat-num {
                font-size: 28px;
            }
            .page-header {
                padding: 32px 0 28px;
            }
            .page-header h1 {
                font-size: 22px;
            }
            .step-item {
                padding: 12px 14px;
                flex-direction: column;
                gap: 10px;
            }
            .footer-bottom .container {
                flex-direction: column;
                align-items: flex-start;
            }
        }

/* roulang page: category5 */
:root {
            --bg: #0A0F1E;
            --bg-2: #0B1626;
            --primary: #1E6FFF;
            --accent: #00E5A0;
            --cyan: #00D4FF;
            --ink: #E2EDFF;
            --ink-2: #8FA3C4;
            --border: rgba(255, 255, 255, 0.08);
            --border-highlight: rgba(0, 229, 160, 0.4);
            --glass-bg: rgba(255, 255, 255, 0.06);
            --glass-bg-strong: rgba(20, 40, 80, 0.45);
            --glass-hover: rgba(255, 255, 255, 0.1);
            --radius: 18px;
            --radius-sm: 12px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(255, 255, 255, 0.04);
            --shadow-glow: 0 0 25px rgba(0, 229, 160, 0.45);
            --transition: 0.25s ease;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            background-color: var(--bg);
            color: var(--ink);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            font-size: 16px;
            line-height: 1.7;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a:hover {
            color: #fff;
        }

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

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* 顶部信息条 */
        .top-bar {
            background: rgba(6, 10, 20, 0.95);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            height: 36px;
            display: flex;
            align-items: center;
            font-size: 12px;
            color: var(--ink-2);
            position: relative;
            z-index: 60;
        }

        .top-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            height: 100%;
        }

        .top-bar .domain-hint {
            letter-spacing: 0.3px;
            color: var(--ink-2);
        }

        .top-bar .season-tip {
            color: var(--ink-2);
            text-align: center;
            flex: 1;
            margin: 0 16px;
        }

        .top-bar .top-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .top-bar .top-actions a {
            color: var(--ink-2);
            font-size: 12px;
            transition: color var(--transition);
            white-space: nowrap;
        }

        .top-bar .top-actions a:hover {
            color: var(--accent);
        }

        /* 主导航 */
        .main-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(10, 15, 30, 0.92);
            backdrop-filter: blur(14px) saturate(140%);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            height: 72px;
            display: flex;
            align-items: center;
        }

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

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .logo .logo-mark {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--accent), var(--primary));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 800;
            color: #fff;
        }

        .logo:hover {
            color: #fff;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .main-nav a {
            color: var(--ink);
            font-size: 14px;
            font-weight: 600;
            padding: 10px 14px;
            border-radius: 8px;
            transition: all var(--transition);
            position: relative;
            white-space: nowrap;
        }

        .main-nav a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }

        .main-nav a.active {
            color: var(--accent);
            background: rgba(0, 229, 160, 0.08);
        }

        .main-nav a.active::after {
            content: '';
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 4px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        .hamburger {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 5px;
            border-radius: 8px;
            transition: background var(--transition);
        }

        .hamburger:hover {
            background: rgba(255, 255, 255, 0.06);
        }

        .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--ink);
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        .hamburger.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger.open span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 108px;
            left: 0;
            right: 0;
            z-index: 49;
            background: rgba(10, 15, 30, 0.97);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            padding: 16px 24px 24px;
            flex-direction: column;
            gap: 6px;
        }

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

        .mobile-menu a {
            color: var(--ink);
            font-size: 15px;
            font-weight: 600;
            padding: 12px 16px;
            border-radius: 10px;
            transition: all var(--transition);
        }

        .mobile-menu a:hover {
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
        }

        .mobile-menu a.active {
            color: var(--accent);
            background: rgba(0, 229, 160, 0.08);
        }

        /* 分类页头部区 */
        .category-hero {
            padding: 56px 0 40px;
            background: linear-gradient(180deg, rgba(11, 22, 38, 0.9) 0%, rgba(10, 15, 30, 0.4) 100%);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--ink-2);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--ink-2);
            transition: color var(--transition);
        }

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

        .breadcrumb .sep {
            color: var(--ink-2);
            opacity: 0.5;
        }

        .breadcrumb .current {
            color: var(--accent);
            font-weight: 500;
        }

        .category-hero h1 {
            font-size: 32px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 16px;
            line-height: 1.3;
        }

        .category-hero .cat-desc {
            font-size: 16px;
            color: var(--ink-2);
            max-width: 720px;
            line-height: 1.8;
            margin-bottom: 24px;
        }

        .category-hero .cat-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
        }

        .cat-meta .meta-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 20px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 12px;
            color: var(--ink-2);
        }

        .cat-meta .meta-pill .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
            flex-shrink: 0;
        }

        /* section通用样式 */
        .page-section {
            padding: 64px 0;
            position: relative;
        }

        .page-section.alt-bg {
            background: rgba(11, 22, 38, 0.5);
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .section-header {
            margin-bottom: 36px;
        }

        .section-header .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 12px;
        }

        .section-header .section-tag::before {
            content: '';
            width: 3px;
            height: 16px;
            background: var(--accent);
            border-radius: 2px;
        }

        .section-header h2 {
            font-size: 24px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 8px;
            line-height: 1.35;
        }

        .section-header p {
            font-size: 15px;
            color: var(--ink-2);
            margin: 0;
            max-width: 640px;
            line-height: 1.7;
        }

        /* 卡片通用 */
        .glass-card {
            background: var(--glass-bg);
            backdrop-filter: blur(16px) saturate(140%);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius);
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
        }

        .glass-card:hover {
            background: var(--glass-hover);
            border-color: var(--border-highlight);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35), 0 0 30px rgba(0, 229, 160, 0.15);
            transform: translateY(-4px);
        }

        /* 按钮 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: 10px;
            padding: 10px 20px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition);
            border: none;
            text-decoration: none;
            white-space: nowrap;
        }

        .btn-primary {
            background: rgba(0, 229, 160, 0.15);
            border: 1px solid rgba(0, 229, 160, 0.5);
            color: #DCFCF0;
        }

        .btn-primary:hover {
            box-shadow: 0 0 25px rgba(0, 229, 160, 0.45);
            background: transparent;
            color: #fff;
            border-color: var(--accent);
        }

        .btn-secondary {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: var(--ink-2);
        }

        .btn-secondary:hover {
            border-color: #fff;
            color: #fff;
        }

        /* 标签 */
        .tag {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 500;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.08);
            color: var(--ink-2);
            white-space: nowrap;
        }

        .tag.tag-accent {
            background: rgba(0, 229, 160, 0.1);
            border-color: rgba(0, 229, 160, 0.3);
            color: var(--accent);
        }

        .tag.tag-cyan {
            background: rgba(0, 212, 255, 0.1);
            border-color: rgba(0, 212, 255, 0.3);
            color: var(--cyan);
        }

        .tag.tag-primary {
            background: rgba(30, 111, 255, 0.12);
            border-color: rgba(30, 111, 255, 0.35);
            color: #6ea8ff;
        }

        /* 资讯流列表 */
        .news-feed {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .news-feed-item {
            display: flex;
            gap: 20px;
            padding: 20px;
            background: var(--glass-bg);
            backdrop-filter: blur(16px) saturate(140%);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius);
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            cursor: pointer;
        }

        .news-feed-item:hover {
            background: var(--glass-hover);
            border-color: var(--border-highlight);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35), 0 0 20px rgba(0, 229, 160, 0.12);
            transform: translateY(-2px);
        }

        .news-feed-item .news-thumb {
            width: 160px;
            height: 110px;
            flex-shrink: 0;
            border-radius: 10px;
            overflow: hidden;
            background: rgba(255, 255, 255, 0.04);
        }

        .news-feed-item .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .news-feed-item .news-body {
            flex: 1;
            min-width: 0;
        }

        .news-feed-item .news-body h3 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 8px;
            line-height: 1.4;
        }

        .news-feed-item .news-body .news-summary {
            font-size: 14px;
            color: var(--ink-2);
            line-height: 1.6;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-feed-item .news-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            font-size: 12px;
            color: var(--ink-2);
        }

        .news-feed-item .news-meta .source {
            color: var(--cyan);
            font-weight: 500;
        }

        /* 热门资讯卡 */
        .hot-news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 20px;
        }

        .hot-news-card {
            background: var(--glass-bg);
            backdrop-filter: blur(16px) saturate(140%);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all var(--transition);
            cursor: pointer;
        }

        .hot-news-card:hover {
            background: var(--glass-hover);
            border-color: var(--border-highlight);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35), 0 0 30px rgba(0, 229, 160, 0.15);
            transform: translateY(-4px);
        }

        .hot-news-card .card-cover {
            height: 140px;
            overflow: hidden;
            background: rgba(255, 255, 255, 0.04);
        }

        .hot-news-card .card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

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

        .hot-news-card .card-body h3 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 8px;
            line-height: 1.4;
        }

        .hot-news-card .card-body .card-summary {
            font-size: 13px;
            color: var(--ink-2);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 12px;
        }

        .hot-news-card .card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: var(--ink-2);
        }

        /* 数据快照 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
        }

        .stat-card {
            background: var(--glass-bg);
            backdrop-filter: blur(16px) saturate(140%);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius);
            box-shadow: var(--shadow-card);
            padding: 24px 20px;
            text-align: center;
            transition: all var(--transition);
        }

        .stat-card:hover {
            border-color: var(--border-highlight);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35), 0 0 20px rgba(0, 229, 160, 0.12);
        }

        .stat-card .stat-num {
            font-size: 36px;
            font-weight: 700;
            color: var(--accent);
            text-shadow: 0 0 20px rgba(0, 229, 160, 0.4);
            letter-spacing: -0.5px;
            line-height: 1.2;
            margin-bottom: 8px;
        }

        .stat-card .stat-label {
            font-size: 13px;
            color: var(--ink-2);
            line-height: 1.5;
        }

        /* 标签条 */
        .tag-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }

        .tag-bar .tag {
            font-size: 13px;
            padding: 8px 18px;
            cursor: pointer;
            transition: all var(--transition);
        }

        .tag-bar .tag:hover {
            background: rgba(0, 229, 160, 0.15);
            border-color: var(--border-highlight);
            color: #fff;
        }

        /* 专题推荐 */
        .topic-card {
            background: var(--glass-bg);
            backdrop-filter: blur(16px) saturate(140%);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius);
            box-shadow: var(--shadow-card);
            padding: 24px;
            transition: all var(--transition);
            cursor: pointer;
        }

        .topic-card:hover {
            background: var(--glass-hover);
            border-color: var(--border-highlight);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35), 0 0 30px rgba(0, 229, 160, 0.15);
            transform: translateY(-3px);
        }

        .topic-card h3 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 10px;
            line-height: 1.4;
        }

        .topic-card p {
            font-size: 14px;
            color: var(--ink-2);
            line-height: 1.6;
            margin: 0 0 14px;
        }

        .topic-card .topic-link {
            font-size: 13px;
            color: var(--accent);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .topic-card .topic-link:hover {
            color: #fff;
        }

        /* 订阅CTA */
        .cta-section {
            padding: 56px 0;
            background: rgba(11, 22, 38, 0.6);
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            text-align: center;
        }

        .cta-section h2 {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 12px;
        }

        .cta-section p {
            font-size: 14px;
            color: var(--ink-2);
            max-width: 480px;
            margin: 0 auto 24px;
            line-height: 1.7;
        }

        .cta-form {
            display: flex;
            gap: 12px;
            justify-content: center;
            flex-wrap: wrap;
            max-width: 480px;
            margin: 0 auto;
        }

        .cta-form input {
            flex: 1;
            min-width: 220px;
            padding: 12px 16px;
            border-radius: 10px;
            border: 1px solid rgba(255, 255, 255, 0.15);
            background: rgba(255, 255, 255, 0.06);
            color: var(--ink);
            font-size: 14px;
            outline: none;
            transition: all var(--transition);
        }

        .cta-form input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 20px rgba(0, 229, 160, 0.2);
        }

        .cta-form input::placeholder {
            color: var(--ink-2);
            opacity: 0.7;
        }

        /* 页脚 */
        .site-footer {
            background: rgba(6, 10, 20, 0.95);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 56px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 40px;
        }

        .footer-brand-desc {
            font-size: 14px;
            color: var(--ink-2);
            line-height: 1.7;
            margin-top: 14px;
            max-width: 280px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 16px;
        }

        .footer-col a {
            display: block;
            font-size: 13px;
            color: var(--ink-2);
            padding: 6px 0;
            transition: color var(--transition);
        }

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

        .footer-form {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .footer-form input {
            flex: 1;
            min-width: 160px;
            padding: 10px 14px;
            border-radius: 8px;
            border: 1px solid rgba(255, 255, 255, 0.15);
            background: rgba(255, 255, 255, 0.06);
            color: var(--ink);
            font-size: 13px;
            outline: none;
            transition: all var(--transition);
        }

        .footer-form input:focus {
            border-color: var(--accent);
        }

        .footer-form input::placeholder {
            color: var(--ink-2);
            opacity: 0.7;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 20px 0;
            font-size: 12px;
            color: var(--ink-2);
        }

        .footer-bottom .container {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            justify-content: space-between;
        }

        .footer-legal {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }

        .footer-legal span {
            font-size: 12px;
            color: var(--ink-2);
        }

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

            .news-feed-item .news-thumb {
                width: 120px;
                height: 90px;
            }
        }

        @media (max-width: 768px) {
            .top-bar .season-tip {
                display: none;
            }

            .main-nav {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .category-hero {
                padding: 40px 0 32px;
            }

            .category-hero h1 {
                font-size: 24px;
            }

            .page-section {
                padding: 48px 0;
            }

            .section-header h2 {
                font-size: 20px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .news-feed-item {
                flex-direction: column;
                gap: 14px;
            }

            .news-feed-item .news-thumb {
                width: 100%;
                height: 160px;
            }

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }

            .stat-card .stat-num {
                font-size: 28px;
            }

            .footer-bottom .container {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .category-hero h1 {
                font-size: 20px;
            }

            .hot-news-grid {
                grid-template-columns: 1fr;
            }

            .stats-grid {
                grid-template-columns: 1fr;
            }

            .cta-form {
                flex-direction: column;
            }

            .cta-form input {
                min-width: auto;
            }

            .footer-form {
                flex-direction: column;
            }
        }

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

/* roulang page: category6 */
:root {
            --bg: #0A0F1E;
            --bg-2: #0B1626;
            --primary: #1E6FFF;
            --accent: #00E5A0;
            --cyan: #00D4FF;
            --ink: #E2EDFF;
            --ink-2: #8FA3C4;
            --border: rgba(255, 255, 255, 0.08);
            --border-highlight: rgba(0, 229, 160, 0.4);
            --glass-bg: rgba(255, 255, 255, 0.06);
            --glass-bg-strong: rgba(20, 40, 80, 0.45);
            --glass-hover: rgba(255, 255, 255, 0.1);
            --radius: 18px;
            --radius-sm: 12px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(255, 255, 255, 0.04);
            --shadow-glow: 0 0 25px rgba(0, 229, 160, 0.45);
            --transition: 0.25s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            background-color: var(--bg);
            color: var(--ink);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            font-size: 16px;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* 顶部信息条 */
        .top-bar {
            background: #060A14;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            padding: 6px 0;
            font-size: 12px;
            color: var(--ink-2);
        }
        .top-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }
        .top-bar .domain-hint {
            letter-spacing: 0.3px;
            font-size: 11px;
            color: #5A6C8A;
        }
        .top-bar .top-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .top-bar .top-actions a {
            color: var(--ink-2);
            font-size: 12px;
            transition: color var(--transition);
        }
        .top-bar .top-actions a:hover {
            color: var(--accent);
        }
        .top-bar .season-tip {
            color: #7A8FAE;
            font-size: 11px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .top-bar .season-tip .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
            display: inline-block;
            animation: pulse-dot 2s infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.3;
            }
        }

        /* 主导航 */
        .main-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(10, 15, 30, 0.92);
            backdrop-filter: blur(14px) saturate(140%);
            -webkit-backdrop-filter: blur(14px) saturate(140%);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            height: 72px;
            display: flex;
            align-items: center;
        }
        .main-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.5px;
            white-space: nowrap;
            text-decoration: none;
        }
        .logo:hover {
            color: #fff;
        }
        .logo .logo-mark {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--accent), var(--primary));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 800;
            color: #fff;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .main-nav a {
            color: var(--ink);
            font-size: 14px;
            font-weight: 600;
            padding: 10px 14px;
            border-radius: 8px;
            transition: all var(--transition);
            position: relative;
            white-space: nowrap;
            text-decoration: none;
        }
        .main-nav a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }
        .main-nav a.active {
            color: var(--accent);
            background: rgba(0, 229, 160, 0.08);
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 4px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        /* 汉堡菜单 */
        .hamburger {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 5px;
            border-radius: 8px;
            transition: background var(--transition);
        }
        .hamburger:hover {
            background: rgba(255, 255, 255, 0.06);
        }
        .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--ink);
            border-radius: 2px;
            transition: all 0.3s ease;
        }
        .hamburger.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger.open span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* 移动端导航抽屉 */
        .mobile-menu {
            display: none;
            position: fixed;
            top: 108px;
            left: 0;
            right: 0;
            z-index: 49;
            background: rgba(10, 15, 30, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            padding: 16px 24px 24px;
            flex-direction: column;
            gap: 6px;
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu a {
            color: var(--ink);
            font-size: 15px;
            font-weight: 600;
            padding: 12px 16px;
            border-radius: 10px;
            transition: all var(--transition);
            text-decoration: none;
        }
        .mobile-menu a:hover {
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
        }
        .mobile-menu a.active {
            color: var(--accent);
            background: rgba(0, 229, 160, 0.08);
        }

        /* 分类页H1区域 */
        .category-hero {
            padding: 56px 0 40px;
            background: linear-gradient(180deg, rgba(11, 22, 38, 0.6) 0%, var(--bg) 100%);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--ink-2);
            margin-bottom: 16px;
        }
        .breadcrumb a {
            color: var(--ink-2);
            text-decoration: none;
            transition: color var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }
        .breadcrumb .sep {
            color: #4A5C7A;
        }
        .breadcrumb .current {
            color: var(--accent);
            font-weight: 500;
        }
        .category-hero h1 {
            font-size: 32px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .category-hero .hero-desc {
            font-size: 15px;
            color: var(--ink-2);
            max-width: 680px;
            line-height: 1.8;
        }

        /* section通用 */
        .section {
            padding: 64px 0;
        }
        .section-alt {
            background: rgba(11, 22, 38, 0.4);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }
        .section-head {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            margin-bottom: 32px;
        }
        .section-head .bar {
            width: 3px;
            min-height: 28px;
            background: var(--accent);
            border-radius: 3px;
            flex-shrink: 0;
        }
        .section-head h2 {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.3px;
            margin: 0;
        }
        .section-head .sub {
            font-size: 14px;
            color: var(--ink-2);
            margin-top: 4px;
        }

        /* 玻璃拟态卡片 */
        .glass-card {
            background: var(--glass-bg);
            backdrop-filter: blur(16px) saturate(140%);
            -webkit-backdrop-filter: blur(16px) saturate(140%);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius);
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
        }
        .glass-card:hover {
            background: var(--glass-hover);
            border-color: var(--border-highlight);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35), 0 0 30px rgba(0, 229, 160, 0.15);
            transform: translateY(-4px);
        }

        /* 按钮 */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            border-radius: 10px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            border: none;
            transition: all var(--transition);
            text-decoration: none;
            letter-spacing: 0.2px;
        }
        .btn:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .btn-primary {
            background: rgba(0, 229, 160, 0.15);
            border: 1px solid rgba(0, 229, 160, 0.5);
            color: #DCFCF0;
        }
        .btn-primary:hover {
            box-shadow: var(--shadow-glow);
            background: rgba(0, 229, 160, 0.08);
            color: #fff;
            border-color: var(--accent);
        }
        .btn-secondary {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: var(--ink-2);
        }
        .btn-secondary:hover {
            border-color: #fff;
            color: #fff;
        }
        .btn-sm {
            padding: 7px 14px;
            font-size: 13px;
            border-radius: 8px;
        }

        /* 标签 */
        .tag {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 500;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            color: var(--ink-2);
            transition: all var(--transition);
            cursor: default;
            white-space: nowrap;
        }
        .tag:hover {
            border-color: rgba(0, 229, 160, 0.4);
            color: var(--accent);
            background: rgba(0, 229, 160, 0.06);
        }
        .badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 28px;
            height: 28px;
            border-radius: 8px;
            font-size: 13px;
            font-weight: 700;
            background: rgba(30, 111, 255, 0.2);
            color: #7AB0FF;
            border: 1px solid rgba(30, 111, 255, 0.3);
        }
        .badge-top {
            background: rgba(0, 229, 160, 0.18);
            color: var(--accent);
            border-color: rgba(0, 229, 160, 0.4);
        }
        .badge-silver {
            background: rgba(200, 200, 210, 0.15);
            color: #C8C8D2;
            border-color: rgba(200, 200, 210, 0.3);
        }
        .badge-bronze {
            background: rgba(205, 140, 80, 0.18);
            color: #CD8C50;
            border-color: rgba(205, 140, 80, 0.35);
        }

        /* 排行榜列表 */
        .rank-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .rank-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 18px;
            background: var(--glass-bg);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.07);
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            text-decoration: none;
            color: var(--ink);
        }
        .rank-item:hover {
            background: var(--glass-hover);
            border-color: var(--border-highlight);
            transform: translateX(4px);
        }
        .rank-number {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            min-width: 36px;
            text-align: center;
        }
        .rank-item .rank-info {
            flex: 1;
            min-width: 0;
        }
        .rank-item .rank-name {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 2px;
        }
        .rank-item .rank-meta {
            font-size: 12px;
            color: var(--ink-2);
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .rank-item .rank-value {
            font-size: 18px;
            font-weight: 700;
            color: var(--accent);
            white-space: nowrap;
            font-variant-numeric: tabular-nums;
        }

        /* 数据快照 */
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .stat-card {
            background: var(--glass-bg);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-sm);
            padding: 20px;
            text-align: center;
            transition: all var(--transition);
        }
        .stat-card:hover {
            border-color: var(--border-highlight);
            background: var(--glass-hover);
        }
        .stat-card .stat-num {
            font-size: 36px;
            font-weight: 800;
            color: var(--accent);
            text-shadow: 0 0 20px rgba(0, 229, 160, 0.35);
            line-height: 1.2;
            font-variant-numeric: tabular-nums;
        }
        .stat-card .stat-label {
            font-size: 13px;
            color: var(--ink-2);
            margin-top: 6px;
        }

        /* 数据对比条 */
        .compare-bar {
            margin-bottom: 14px;
        }
        .compare-bar .bar-label {
            display: flex;
            justify-content: space-between;
            font-size: 13px;
            color: var(--ink-2);
            margin-bottom: 6px;
        }
        .compare-bar .bar-label .val {
            color: var(--accent);
            font-weight: 600;
            font-variant-numeric: tabular-nums;
        }
        .compare-bar .bar-track {
            height: 8px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 4px;
            overflow: hidden;
        }
        .compare-bar .bar-fill {
            height: 100%;
            border-radius: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            transition: width 0.8s ease;
        }

        /* 趋势卡 */
        .trend-card {
            background: var(--glass-bg);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-sm);
            padding: 20px;
            transition: all var(--transition);
        }
        .trend-card:hover {
            border-color: var(--border-highlight);
            background: var(--glass-hover);
        }
        .trend-card .trend-head {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 12px;
        }
        .trend-card .trend-title {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
        }
        .trend-card .trend-change {
            font-size: 13px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 16px;
            background: rgba(0, 229, 160, 0.12);
            color: var(--accent);
        }
        .trend-card .trend-change.down {
            background: rgba(255, 107, 107, 0.12);
            color: #FF6B6B;
        }
        .trend-card .trend-chart {
            display: flex;
            align-items: flex-end;
            gap: 4px;
            height: 60px;
            margin-bottom: 8px;
        }
        .trend-card .trend-chart .bar-col {
            flex: 1;
            background: rgba(0, 229, 160, 0.3);
            border-radius: 3px 3px 0 0;
            min-height: 4px;
            transition: all var(--transition);
        }
        .trend-card .trend-chart .bar-col.highlight {
            background: var(--accent);
            box-shadow: 0 0 12px rgba(0, 229, 160, 0.4);
        }
        .trend-card .trend-note {
            font-size: 12px;
            color: var(--ink-2);
        }

        /* 标签条 */
        .tag-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            align-items: center;
        }

        /* 专题卡片 */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .topic-card {
            overflow: hidden;
            border-radius: var(--radius-sm);
            background: var(--glass-bg);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: all var(--transition);
        }
        .topic-card:hover {
            transform: translateY(-4px);
            border-color: var(--border-highlight);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35), 0 0 25px rgba(0, 229, 160, 0.12);
        }
        .topic-card .topic-img {
            height: 140px;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .topic-card .topic-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(10, 15, 30, 0.7) 100%);
        }
        .topic-card .topic-body {
            padding: 16px;
        }
        .topic-card .topic-tag {
            font-size: 11px;
            color: var(--accent);
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 6px;
        }
        .topic-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .topic-card p {
            font-size: 13px;
            color: var(--ink-2);
            line-height: 1.6;
        }

        /* 订阅CTA */
        .subscribe-cta {
            background: linear-gradient(135deg, rgba(30, 111, 255, 0.12), rgba(0, 229, 160, 0.08));
            border: 1px solid rgba(0, 229, 160, 0.25);
            border-radius: var(--radius);
            padding: 40px 32px;
            text-align: center;
        }
        .subscribe-cta h2 {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .subscribe-cta p {
            font-size: 14px;
            color: var(--ink-2);
            margin-bottom: 20px;
        }
        .subscribe-form {
            display: flex;
            gap: 12px;
            max-width: 480px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }
        .subscribe-form input {
            flex: 1;
            min-width: 220px;
            padding: 12px 16px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            color: var(--ink);
            font-size: 14px;
            transition: all var(--transition);
        }
        .subscribe-form input::placeholder {
            color: #5A6C8A;
        }
        .subscribe-form input:focus {
            outline: none;
            border-color: var(--accent);
            background: rgba(255, 255, 255, 0.08);
            box-shadow: 0 0 16px rgba(0, 229, 160, 0.15);
        }

        /* FAQ */
        .faq-item {
            margin-bottom: 12px;
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.06);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(255, 255, 255, 0.15);
        }
        .faq-question {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 16px 18px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            user-select: none;
            transition: all var(--transition);
        }
        .faq-question .q-mark {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 6px;
            background: rgba(0, 229, 160, 0.15);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 700;
        }
        .faq-question .toggle-icon {
            margin-left: auto;
            flex-shrink: 0;
            font-size: 18px;
            color: var(--ink-2);
            transition: transform var(--transition);
        }
        .faq-item.open .faq-question .toggle-icon {
            transform: rotate(45deg);
            color: var(--accent);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            padding: 0 18px;
            font-size: 14px;
            color: var(--ink-2);
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 200px;
            padding: 0 18px 16px;
        }

        /* 页脚 */
        .site-footer {
            background: #060A14;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 48px 0 32px;
            margin-top: 40px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1.4fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand-desc {
            font-size: 13px;
            color: var(--ink-2);
            margin-top: 10px;
            line-height: 1.7;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }
        .footer-col a {
            display: block;
            font-size: 13px;
            color: var(--ink-2);
            margin-bottom: 8px;
            text-decoration: none;
            transition: color var(--transition);
        }
        .footer-col a:hover {
            color: var(--accent);
        }
        .footer-form {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .footer-form input {
            flex: 1;
            min-width: 160px;
            padding: 10px 14px;
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            color: var(--ink);
            font-size: 13px;
        }
        .footer-form input::placeholder {
            color: #5A6C8A;
        }
        .footer-form input:focus {
            outline: none;
            border-color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: #5A6C8A;
        }
        .footer-bottom a {
            color: #5A6C8A;
            text-decoration: none;
            transition: color var(--transition);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }
        .footer-legal {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .stat-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .topic-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .main-nav {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .category-hero h1 {
                font-size: 26px;
            }
            .section {
                padding: 44px 0;
            }
            .topic-grid {
                grid-template-columns: 1fr;
            }
            .stat-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stat-card .stat-num {
                font-size: 28px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .top-bar .season-tip {
                display: none;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .category-hero h1 {
                font-size: 22px;
            }
            .stat-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-card {
                padding: 14px;
            }
            .stat-card .stat-num {
                font-size: 24px;
            }
            .rank-item {
                flex-wrap: wrap;
                gap: 10px;
                padding: 12px 14px;
            }
            .rank-item .rank-value {
                font-size: 15px;
            }
            .subscribe-cta {
                padding: 28px 18px;
            }
            .section-head h2 {
                font-size: 18px;
            }
        }