/* roulang page: index */
:root {
            --bg: #0F1115;
            --bg-2: #171A21;
            --card: #1C1F27;
            --accent: #FF6B35;
            --accent-hover: #E55A2B;
            --mint: #2DD4BF;
            --mint-2: #34D399;
            --footer-bg: #0A0B0E;
            --text: #E6E9EF;
            --text-2: #B7BDC9;
            --muted: #8A93A5;
            --line: rgba(255, 255, 255, 0.06);
            --shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
            --radius: 12px;
            --radius-2x: 14px;
            --max-w: 1160px;
            --nav-h: 68px;
            --transition: all 0.22s ease;
        }

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

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

        body {
            margin: 0;
            font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 16px;
            min-height: 100vh;
        }

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

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

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
            transition: var(--transition);
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .container {
            max-width: var(--max-w);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* 导航栏 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(15, 17, 21, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--line);
            height: var(--nav-h);
            display: flex;
            align-items: center;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: 16px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            letter-spacing: -0.3px;
            color: #fff;
            flex-shrink: 0;
        }

        .nav-logo svg {
            width: 28px;
            height: 28px;
            flex-shrink: 0;
        }

        .nav-logo span {
            color: var(--accent);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-2);
            border-radius: 8px;
            white-space: nowrap;
            letter-spacing: 0.2px;
            transition: var(--transition);
        }

        .nav-links a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.05);
        }

        .nav-links a.active {
            color: var(--accent);
            background: rgba(255, 107, 53, 0.1);
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-search {
            display: flex;
            align-items: center;
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: 8px;
            padding: 0 10px;
            height: 38px;
            transition: var(--transition);
        }

        .nav-search:focus-within {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.15);
        }

        .nav-search input {
            background: transparent;
            border: none;
            color: var(--text);
            font-size: 13px;
            width: 140px;
            padding: 0 8px;
            outline: none;
        }

        .nav-search input::placeholder {
            color: var(--muted);
        }

        .nav-search button {
            color: var(--muted);
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 4px;
            border-radius: 6px;
        }

        .nav-search button:hover {
            color: var(--accent);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            font-weight: 600;
            font-size: 14px;
            padding: 9px 18px;
            border-radius: 8px;
            transition: var(--transition);
            letter-spacing: 0.2px;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--accent);
            color: #fff;
            border: 1px solid var(--accent);
        }

        .btn-primary:hover {
            background: var(--accent-hover);
            border-color: var(--accent-hover);
            color: #fff;
            transform: scale(1.03);
            box-shadow: 0 8px 22px rgba(255, 107, 53, 0.3);
        }

        .btn-secondary {
            background: transparent;
            color: var(--accent);
            border: 1px solid var(--accent);
        }

        .btn-secondary:hover {
            background: rgba(255, 107, 53, 0.1);
            border-color: var(--accent-hover);
            color: var(--accent-hover);
        }

        .btn-ghost {
            background: transparent;
            color: var(--text-2);
            border: 1px solid transparent;
            padding-left: 12px;
            padding-right: 12px;
        }

        .btn-ghost:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.05);
        }

        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 4px;
            padding: 8px;
            border-radius: 8px;
            border: 1px solid var(--line);
        }

        .menu-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text-2);
            border-radius: 2px;
            transition: var(--transition);
        }

        .menu-toggle:hover span {
            background: var(--accent);
        }

        /* 面包屑 */
        .breadcrumb {
            padding-top: 16px;
            padding-bottom: 4px;
            font-size: 13px;
            color: var(--muted);
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

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

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

        .breadcrumb .sep {
            color: rgba(255, 255, 255, 0.2);
        }

        .breadcrumb .current {
            color: var(--text-2);
        }

        /* Hero面包屑上方 */
        .hero-section {
            position: relative;
            background-image: linear-gradient(rgba(15, 17, 21, 0.85), rgba(15, 17, 21, 0.9)), url('/assets/images/bc8aedd9aed78260.webp');
            background-size: cover;
            background-position: center;
            border-bottom: 1px solid var(--line);
            border-radius: 0 0 18px 18px;
            overflow: hidden;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 75% 40%, rgba(255, 107, 53, 0.12), transparent 55%);
            pointer-events: none;
        }

        .hero-inner {
            position: relative;
            z-index: 2;
            padding-top: 28px;
            padding-bottom: 48px;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1.3fr 0.8fr;
            gap: 32px;
            align-items: center;
        }

        .hero-title {
            font-size: clamp(32px, 4vw, 44px);
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: -0.5px;
            color: #fff;
            margin: 0 0 10px;
        }

        .hero-title .highlight {
            color: var(--accent);
        }

        .hero-desc {
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-2);
            max-width: 560px;
            margin: 0 0 20px;
        }

        .hero-metrics {
            display: flex;
            gap: 18px;
            flex-wrap: wrap;
            margin-top: 6px;
        }

        .metric-card {
            background: rgba(28, 31, 39, 0.7);
            border: 1px solid var(--line);
            border-radius: var(--radius);
            padding: 12px 18px;
            min-width: 120px;
            backdrop-filter: blur(8px);
        }

        .metric-card .metric-num {
            font-size: 24px;
            font-weight: 700;
            color: #fff;
            line-height: 1.3;
        }

        .metric-card .metric-num .accent {
            color: var(--accent);
        }

        .metric-card .metric-label {
            font-size: 13px;
            color: var(--muted);
        }

        .hero-feed {
            background: rgba(28, 31, 39, 0.75);
            border: 1px solid var(--line);
            border-radius: var(--radius-2x);
            padding: 16px;
            backdrop-filter: blur(8px);
        }

        .hero-feed h3 {
            font-size: 14px;
            font-weight: 600;
            color: var(--mint);
            margin: 0 0 10px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .hero-feed-item {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            padding: 8px 0;
            border-bottom: 1px solid var(--line);
            font-size: 13px;
            color: var(--text-2);
        }

        .hero-feed-item:last-child {
            border-bottom: none;
        }

        .hero-feed-item .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
            flex-shrink: 0;
            margin-top: 7px;
        }

        /* 通用section */
        .section {
            padding: 44px 0;
        }

        .section-alt {
            background: var(--bg-2);
            border-top: 1px solid var(--line);
            border-bottom: 1px solid var(--line);
        }

        .section-title {
            font-size: clamp(24px, 3vw, 30px);
            font-weight: 650;
            letter-spacing: -0.3px;
            margin: 0 0 6px;
            color: #fff;
            line-height: 1.35;
        }

        .section-title .accent {
            color: var(--accent);
        }

        .section-desc {
            font-size: 15px;
            color: var(--text-2);
            max-width: 680px;
            line-height: 1.8;
            margin: 0 0 24px;
        }

        .section-head {
            margin-bottom: 24px;
        }

        /* 卡片网格 */
        .grid-cards {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }

        .grid-cards-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }

        .grid-cards-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 18px;
        }

        .card {
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: var(--radius-2x);
            padding: 20px;
            transition: var(--transition);
            box-shadow: var(--shadow);
            position: relative;
            overflow: hidden;
        }

        .card:hover {
            transform: translateY(-3px);
            border-color: rgba(255, 107, 53, 0.4);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.5), 0 0 12px rgba(255, 107, 53, 0.08);
        }

        .card-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 107, 53, 0.12);
            margin-bottom: 12px;
            font-size: 22px;
            color: var(--accent);
        }

        .card h3 {
            font-size: 17px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 8px;
            letter-spacing: -0.2px;
        }

        .card p {
            font-size: 14px;
            color: var(--text-2);
            margin: 0;
            line-height: 1.7;
        }

        .card .tag {
            display: inline-block;
            font-size: 12px;
            color: var(--mint);
            background: rgba(45, 212, 191, 0.1);
            padding: 3px 8px;
            border-radius: 5px;
            margin-bottom: 8px;
            font-weight: 500;
        }

        .card .date {
            font-size: 13px;
            color: var(--muted);
            display: flex;
            align-items: center;
            gap: 6px;
            margin-top: 10px;
        }

        .card-thumb {
            width: 100%;
            aspect-ratio: 3/2;
            object-fit: cover;
            border-radius: 8px;
            margin-bottom: 10px;
            border: 1px solid var(--line);
            transition: transform 0.3s ease;
        }

        .card:hover .card-thumb {
            transform: scale(1.01);
        }

        /* 结果对比 */
        .compare-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .compare-col {
            padding: 22px;
            border-radius: var(--radius-2x);
            border: 1px solid var(--line);
        }

        .compare-col.before {
            background: rgba(28, 31, 39, 0.5);
            border-color: rgba(255, 255, 255, 0.04);
        }

        .compare-col.after {
            background: rgba(45, 212, 191, 0.06);
            border-color: rgba(45, 212, 191, 0.2);
        }

        .compare-col h3 {
            font-size: 18px;
            font-weight: 600;
            margin: 0 0 12px;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .compare-col h3 .icon {
            width: 22px;
            height: 22px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            color: #fff;
            flex-shrink: 0;
        }

        .compare-col.before h3 .icon {
            background: var(--muted);
        }

        .compare-col.after h3 .icon {
            background: var(--mint);
        }

        .compare-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .compare-col ul li {
            font-size: 14px;
            color: var(--text-2);
            padding: 6px 0;
            display: flex;
            align-items: flex-start;
            gap: 8px;
            line-height: 1.6;
        }

        .compare-col ul li .check {
            color: var(--accent);
            font-weight: 700;
            flex-shrink: 0;
        }

        .compare-col.after ul li .check {
            color: var(--mint);
        }

        /* 里程碑 */
        .timeline {
            position: relative;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            padding-top: 16px;
        }

        .timeline::before {
            content: '';
            position: absolute;
            top: 24px;
            left: 5%;
            right: 5%;
            height: 2px;
            background: linear-gradient(90deg, var(--accent), var(--mint));
            opacity: 0.35;
            border-radius: 2px;
        }

        .timeline-item {
            position: relative;
            padding-top: 28px;
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: var(--radius-2x);
            padding: 22px 16px 18px;
            text-align: center;
            transition: var(--transition);
        }

        .timeline-item:hover {
            border-color: rgba(255, 107, 53, 0.4);
            transform: translateY(-2px);
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            top: -6px;
            left: 50%;
            transform: translateX(-50%);
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--accent);
            border: 3px solid var(--bg);
            box-shadow: 0 0 10px rgba(255, 107, 53, 0.5);
            z-index: 2;
        }

        .timeline-item:nth-child(2)::before {
            background: var(--mint);
            box-shadow: 0 0 10px rgba(45, 212, 191, 0.5);
        }

        .timeline-item:nth-child(3)::before {
            background: #FFB347;
            box-shadow: 0 0 10px rgba(255, 179, 71, 0.5);
        }

        .timeline-item:nth-child(4)::before {
            background: #A78BFA;
            box-shadow: 0 0 10px rgba(167, 139, 250, 0.5);
        }

        .timeline-item .year {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 5px;
        }

        .timeline-item p {
            font-size: 13px;
            color: var(--text-2);
            margin: 0;
            line-height: 1.6;
        }

        /* 资讯列表 */
        .news-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }

        /* 保障 */
        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .guarantee-item {
            padding: 16px;
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: var(--radius);
            text-align: center;
            transition: var(--transition);
        }

        .guarantee-item:hover {
            border-color: rgba(45, 212, 191, 0.3);
            transform: translateY(-2px);
        }

        .guarantee-item .g-icon {
            font-size: 28px;
            margin-bottom: 8px;
        }

        .guarantee-item h4 {
            font-size: 15px;
            font-weight: 600;
            margin: 0 0 5px;
            color: #fff;
        }

        .guarantee-item p {
            font-size: 13px;
            color: var(--muted);
            margin: 0;
        }

        /* 品牌介绍 */
        .brand-intro {
            display: grid;
            grid-template-columns: 1fr 1.4fr;
            gap: 28px;
            align-items: center;
        }

        .brand-intro .brand-text h3 {
            font-size: 22px;
            font-weight: 650;
            margin: 0 0 10px;
            color: #fff;
        }

        .brand-intro .brand-text p {
            font-size: 14px;
            color: var(--text-2);
            line-height: 1.85;
            margin: 0 0 8px;
        }

        .brand-intro .brand-badge {
            display: flex;
            align-items: center;
            gap: 14px;
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: var(--radius-2x);
            padding: 20px;
        }

        .brand-intro .brand-badge .logo-circle {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: linear-gradient(135deg, var(--accent), #FF8F62);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 22px;
            color: #fff;
            flex-shrink: 0;
        }

        .brand-intro .brand-badge p {
            font-size: 14px;
            color: var(--text-2);
            margin: 0;
            line-height: 1.7;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .faq-item {
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: var(--radius);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(255, 107, 53, 0.25);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 18px;
            cursor: pointer;
            font-weight: 600;
            font-size: 15px;
            color: #fff;
            width: 100%;
            text-align: left;
            gap: 10px;
        }

        .faq-question .faq-icon {
            width: 22px;
            height: 22px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 107, 53, 0.15);
            color: var(--accent);
            font-size: 14px;
            flex-shrink: 0;
            transition: var(--transition);
        }

        .faq-answer {
            padding: 0 18px 16px;
            font-size: 14px;
            color: var(--text-2);
            line-height: 1.8;
            display: none;
        }

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

        .faq-item.open .faq-icon {
            background: var(--accent);
            color: #fff;
            transform: rotate(45deg);
        }

        /* 表单 */
        .cta-section {
            background: var(--bg-2);
            border-top: 1px solid var(--line);
            border-bottom: 1px solid var(--line);
            padding: 50px 0;
        }

        .cta-box {
            background: linear-gradient(135deg, rgba(255, 107, 53, 0.08), rgba(45, 212, 191, 0.05));
            border: 1px solid rgba(255, 107, 53, 0.2);
            border-radius: var(--radius-2x);
            padding: 32px 28px;
            display: grid;
            grid-template-columns: 1fr 1.3fr;
            gap: 32px;
            align-items: center;
        }

        .cta-box h3 {
            font-size: 24px;
            font-weight: 650;
            margin: 0 0 10px;
            color: #fff;
        }

        .cta-box p {
            font-size: 14px;
            color: var(--text-2);
            line-height: 1.8;
            margin: 0;
        }

        .cta-form {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
        }

        .cta-form .field {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .cta-form .field.full {
            grid-column: 1 / -1;
        }

        .cta-form label {
            font-size: 13px;
            color: var(--text-2);
            font-weight: 500;
        }

        .cta-form input,
        .cta-form select {
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: 8px;
            padding: 10px 12px;
            color: var(--text);
            font-size: 14px;
            transition: var(--transition);
            width: 100%;
        }

        .cta-form input:focus,
        .cta-form select:focus {
            border-color: var(--accent);
            outline: none;
            box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.12);
        }

        .cta-form .btn {
            grid-column: 1 / -1;
            padding: 12px;
            font-size: 15px;
        }

        /* 热门专题 */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 14px;
        }

        .topic-card {
            position: relative;
            border-radius: var(--radius-2x);
            overflow: hidden;
            border: 1px solid var(--line);
            aspect-ratio: 3/1.2;
            display: flex;
            align-items: flex-end;
            padding: 16px;
            background-size: cover;
            background-position: center;
        }

        .topic-card .overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(transparent, rgba(15, 17, 21, 0.88));
        }

        .topic-card .topic-info {
            position: relative;
            z-index: 2;
            color: #fff;
        }

        .topic-card .topic-info h4 {
            font-size: 16px;
            font-weight: 600;
            margin: 0 0 3px;
        }

        .topic-card .topic-info p {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.75);
            margin: 0;
        }

        /* 页脚 */
        .site-footer {
            background: var(--footer-bg);
            border-top: 1px solid var(--line);
            padding: 36px 0 20px;
            color: var(--muted);
            font-size: 13px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 28px;
            margin-bottom: 24px;
        }

        .footer-brand h4 {
            font-size: 17px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-brand h4 svg {
            width: 22px;
            height: 22px;
        }

        .footer-brand p {
            font-size: 13px;
            line-height: 1.7;
            color: var(--muted);
            margin: 0;
        }

        .footer-col h5 {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 10px;
        }

        .footer-col a {
            display: block;
            padding: 3px 0;
            color: var(--muted);
            font-size: 13px;
        }

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

        .footer-bottom {
            border-top: 1px solid var(--line);
            padding-top: 16px;
            text-align: center;
            font-size: 12px;
            color: var(--muted);
            line-height: 1.8;
        }

        .footer-bottom .links {
            display: flex;
            justify-content: center;
            gap: 16px;
            margin-top: 4px;
        }

        .footer-bottom .links a {
            color: var(--muted);
        }

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

        /* 响应式 */
        @media (max-width: 1024px) {
            .nav-links {
                gap: 0;
            }
            .nav-links a {
                padding: 7px 10px;
                font-size: 13px;
            }
            .grid-cards {
                grid-template-columns: repeat(2, 1fr);
            }
            .grid-cards-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .timeline {
                grid-template-columns: repeat(2, 1fr);
            }
            .guarantee-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .cta-box {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .hero-metrics {
                gap: 10px;
            }
            .metric-card {
                min-width: 100px;
                padding: 10px 14px;
            }
            .metric-card .metric-num {
                font-size: 20px;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-h);
                left: 0;
                right: 0;
                background: rgba(15, 17, 21, 0.97);
                flex-direction: column;
                padding: 12px 20px;
                border-bottom: 1px solid var(--line);
                backdrop-filter: blur(14px);
                z-index: 99;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                padding: 12px 10px;
                font-size: 15px;
            }
            .nav-search {
                display: none;
            }
            .nav-search.open {
                display: flex;
                width: 100%;
                margin-bottom: 10px;
            }
            .nav-search input {
                width: 100%;
            }
            .menu-toggle {
                display: flex;
            }
            .nav-right .btn-ghost {
                display: none;
            }
            .nav-right .btn-primary {
                padding: 8px 14px;
                font-size: 13px;
            }
            .hero-inner {
                padding-top: 20px;
                padding-bottom: 32px;
            }
            .hero-title {
                font-size: 28px;
            }
            .hero-desc {
                font-size: 14px;
            }
            .hero-metrics {
                gap: 8px;
            }
            .metric-card {
                min-width: 80px;
                padding: 8px 10px;
            }
            .metric-card .metric-num {
                font-size: 18px;
            }
            .metric-card .metric-label {
                font-size: 11px;
            }
            .compare-grid {
                grid-template-columns: 1fr;
            }
            .brand-intro {
                grid-template-columns: 1fr;
            }
            .topic-grid {
                grid-template-columns: 1fr;
            }
            .topic-card {
                aspect-ratio: 3/1;
            }
            .section {
                padding: 32px 0;
            }
            .section-title {
                font-size: 22px;
            }
            .grid-cards,
            .grid-cards-3,
            .grid-cards-2 {
                grid-template-columns: 1fr;
            }
            .news-list {
                grid-template-columns: 1fr;
            }
            .guarantee-grid {
                grid-template-columns: 1fr;
            }
            .timeline {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .timeline::before {
                display: none;
            }
            .timeline-item::before {
                display: none;
            }
            .cta-box {
                padding: 24px 18px;
            }
            .cta-form {
                grid-template-columns: 1fr;
            }
            .cta-form .field.full {
                grid-column: auto;
            }
            .cta-form .btn {
                grid-column: auto;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 14px;
                padding-right: 14px;
            }
            .hero-title {
                font-size: 24px;
            }
            .hero-desc {
                font-size: 13px;
            }
            .hero-metrics {
                gap: 6px;
            }
            .metric-card {
                min-width: 70px;
                padding: 6px 8px;
            }
            .metric-card .metric-num {
                font-size: 16px;
            }
            .nav-right .btn-primary {
                padding: 6px 10px;
                font-size: 12px;
            }
            .card {
                padding: 16px;
            }
            .section-title {
                font-size: 20px;
            }
        }

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

/* roulang page: category2 */
:root {
            --bg: #0F1115;
            --bg-2: #171A21;
            --card: #1C1F27;
            --accent: #FF6B35;
            --accent-hover: #E55A2B;
            --mint: #2DD4BF;
            --mint-2: #34D399;
            --footer-bg: #0A0B0E;
            --text: #E6E9EF;
            --text-2: #B7BDC9;
            --muted: #8A93A5;
            --line: rgba(255, 255, 255, 0.06);
            --shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
            --radius: 12px;
            --radius-2x: 14px;
            --max-w: 1160px;
            --nav-h: 68px;
            --transition: all 0.22s ease;
        }

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

        body {
            margin: 0;
            font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 16px;
            min-height: 100vh;
        }

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

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

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
            transition: var(--transition);
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .container {
            max-width: var(--max-w);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* 导航栏 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(15, 17, 21, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--line);
            height: var(--nav-h);
            display: flex;
            align-items: center;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: 16px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            letter-spacing: -0.3px;
            color: #fff;
            flex-shrink: 0;
        }

        .nav-logo svg {
            width: 28px;
            height: 28px;
            flex-shrink: 0;
        }

        .nav-logo span {
            color: var(--accent);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-2);
            border-radius: 8px;
            white-space: nowrap;
            letter-spacing: 0.2px;
            transition: var(--transition);
        }

        .nav-links a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.05);
        }

        .nav-links a.active {
            color: var(--accent);
            background: rgba(255, 107, 53, 0.1);
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-search {
            display: flex;
            align-items: center;
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: 8px;
            padding: 0 10px;
            height: 38px;
            transition: var(--transition);
        }

        .nav-search:focus-within {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.15);
        }

        .nav-search input {
            background: transparent;
            border: none;
            color: var(--text);
            font-size: 13px;
            width: 140px;
            padding: 0 8px;
            outline: none;
        }

        .nav-search input::placeholder {
            color: var(--muted);
        }

        .nav-search button {
            color: var(--muted);
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 4px;
            border-radius: 6px;
        }

        .nav-search button:hover {
            color: var(--accent);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            font-weight: 600;
            font-size: 14px;
            padding: 9px 18px;
            border-radius: 8px;
            transition: var(--transition);
            letter-spacing: 0.2px;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--accent);
            color: #fff;
            border: 1px solid var(--accent);
        }

        .btn-primary:hover {
            background: var(--accent-hover);
            border-color: var(--accent-hover);
            color: #fff;
            transform: scale(1.03);
            box-shadow: 0 8px 22px rgba(255, 107, 53, 0.3);
        }

        .btn-secondary {
            background: transparent;
            color: var(--accent);
            border: 1px solid var(--accent);
        }

        .btn-secondary:hover {
            background: rgba(255, 107, 53, 0.1);
            border-color: var(--accent-hover);
            color: var(--accent-hover);
        }

        .btn-ghost {
            background: transparent;
            color: var(--text-2);
            border: 1px solid transparent;
            padding-left: 12px;
            padding-right: 12px;
        }

        .btn-ghost:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.05);
        }

        .menu-toggle {
            display: none;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            color: var(--text);
            background: var(--card);
            border: 1px solid var(--line);
        }

        .menu-toggle svg {
            width: 20px;
            height: 20px;
        }

        /* 页面通用 section */
        .section {
            padding: 48px 0;
            position: relative;
        }

        .section-alt {
            background: var(--bg-2);
            border-top: 1px solid var(--line);
            border-bottom: 1px solid var(--line);
        }

        .section-title {
            font-size: 28px;
            font-weight: 650;
            letter-spacing: -0.3px;
            margin: 0 0 8px;
            color: #fff;
        }

        .section-desc {
            font-size: 15px;
            color: var(--text-2);
            margin: 0 0 28px;
            max-width: 680px;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 999px;
            background: rgba(255, 107, 53, 0.12);
            color: var(--accent);
            border: 1px solid rgba(255, 107, 53, 0.22);
            letter-spacing: 0.3px;
        }

        .badge-mint {
            background: rgba(45, 212, 191, 0.1);
            color: var(--mint);
            border-color: rgba(45, 212, 191, 0.24);
        }

        .card {
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: var(--radius);
            padding: 20px;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

        .card:hover {
            transform: translateY(-2px);
            border-color: rgba(255, 107, 53, 0.4);
            box-shadow: 0 14px 36px rgba(0, 0, 0, 0.55);
        }

        /* 分类页头部 */
        .page-header {
            padding: 40px 0 28px;
            border-bottom: 1px solid var(--line);
            background: var(--bg-2);
        }

        .page-header .breadcrumb {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--muted);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

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

        .page-header .breadcrumb .sep {
            color: var(--muted);
            opacity: 0.5;
        }

        .page-header h1 {
            font-size: 36px;
            font-weight: 700;
            letter-spacing: -0.5px;
            margin: 0 0 10px;
            color: #fff;
        }

        .page-header .subtitle {
            font-size: 16px;
            color: var(--text-2);
            margin: 0;
            max-width: 720px;
        }

        /* 统计卡片 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .stat-card {
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: var(--radius);
            padding: 20px;
            text-align: left;
            transition: var(--transition);
        }

        .stat-card:hover {
            border-color: rgba(255, 107, 53, 0.35);
        }

        .stat-card .stat-number {
            font-size: 32px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.2;
            letter-spacing: -0.5px;
        }

        .stat-card .stat-label {
            font-size: 14px;
            color: var(--muted);
            margin-top: 6px;
        }

        .stat-card .stat-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: rgba(255, 107, 53, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 12px;
            color: var(--accent);
        }

        /* 榜单样式 */
        .rank-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .rank-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: var(--radius);
            padding: 14px 18px;
            transition: var(--transition);
        }

        .rank-item:hover {
            border-color: rgba(255, 107, 53, 0.4);
            transform: translateX(4px);
        }

        .rank-number {
            font-size: 20px;
            font-weight: 700;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.04);
            color: var(--text-2);
        }

        .rank-item:nth-child(1) .rank-number {
            background: rgba(255, 107, 53, 0.2);
            color: var(--accent);
        }

        .rank-item:nth-child(2) .rank-number {
            background: rgba(45, 212, 191, 0.15);
            color: var(--mint);
        }

        .rank-item:nth-child(3) .rank-number {
            background: rgba(255, 193, 7, 0.15);
            color: #FFC107;
        }

        .rank-info {
            flex: 1;
        }

        .rank-info h4 {
            margin: 0 0 4px;
            font-size: 16px;
            font-weight: 600;
            color: #fff;
        }

        .rank-info p {
            margin: 0;
            font-size: 13px;
            color: var(--muted);
        }

        .rank-score {
            font-size: 18px;
            font-weight: 700;
            color: var(--accent);
        }

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

        .team-card {
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: var(--radius);
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .team-card:hover {
            transform: translateY(-2px);
            border-color: rgba(255, 107, 53, 0.4);
            box-shadow: 0 14px 36px rgba(0, 0, 0, 0.55);
        }

        .team-card .team-thumb {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/9;
        }

        .team-card .team-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .team-card:hover .team-thumb img {
            transform: scale(1.05);
        }

        .team-card .team-thumb .team-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(15, 17, 21, 0.85);
            backdrop-filter: blur(6px);
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent);
            border: 1px solid rgba(255, 107, 53, 0.3);
        }

        .team-card .team-body {
            padding: 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .team-card .team-body h3 {
            font-size: 18px;
            font-weight: 600;
            margin: 0 0 8px;
            color: #fff;
            letter-spacing: -0.2px;
        }

        .team-card .team-body p {
            font-size: 14px;
            color: var(--text-2);
            margin: 0 0 14px;
            line-height: 1.7;
            flex: 1;
        }

        .team-card .team-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 12px;
            border-top: 1px solid var(--line);
            font-size: 12px;
            color: var(--muted);
        }

        .team-card .team-meta .date {
            letter-spacing: 0.3px;
        }

        .team-card .team-meta .tags {
            display: flex;
            gap: 6px;
        }

        .team-card .team-meta .tags span {
            background: rgba(255, 255, 255, 0.05);
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 11px;
            color: var(--text-2);
        }

        /* 焦点区块 */
        .focus-panel {
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: var(--radius-2x);
            padding: 28px;
            display: flex;
            gap: 24px;
            align-items: center;
            transition: var(--transition);
        }

        .focus-panel:hover {
            border-color: rgba(255, 107, 53, 0.35);
        }

        .focus-panel .focus-info {
            flex: 1;
        }

        .focus-panel .focus-info h3 {
            font-size: 22px;
            font-weight: 650;
            margin: 0 0 10px;
            color: #fff;
        }

        .focus-panel .focus-info p {
            font-size: 15px;
            color: var(--text-2);
            margin: 0 0 16px;
            line-height: 1.75;
        }

        .focus-panel .focus-image {
            width: 280px;
            flex-shrink: 0;
            border-radius: var(--radius);
            overflow: hidden;
            aspect-ratio: 4/3;
        }

        .focus-panel .focus-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* 讨论话题 */
        .topic-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 14px;
        }

        .topic-item {
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: var(--radius);
            padding: 16px 18px;
            display: flex;
            align-items: center;
            gap: 12px;
            transition: var(--transition);
        }

        .topic-item:hover {
            border-color: rgba(255, 107, 53, 0.4);
            transform: translateY(-1px);
        }

        .topic-item .topic-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: rgba(45, 212, 191, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--mint);
            flex-shrink: 0;
        }

        .topic-item .topic-text {
            font-size: 14px;
            color: var(--text-2);
            font-weight: 500;
        }

        .topic-item .topic-count {
            font-size: 12px;
            color: var(--muted);
            margin-left: auto;
            flex-shrink: 0;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: var(--radius);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(255, 107, 53, 0.3);
        }

        .faq-item .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            cursor: pointer;
            font-weight: 600;
            font-size: 15px;
            color: #fff;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            gap: 12px;
        }

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

        .faq-item .faq-question .faq-icon {
            flex-shrink: 0;
            width: 20px;
            height: 20px;
            color: var(--muted);
            transition: transform 0.3s ease;
        }

        .faq-item.active .faq-question .faq-icon {
            transform: rotate(180deg);
            color: var(--accent);
        }

        .faq-item .faq-answer {
            padding: 0 20px 18px;
            font-size: 14px;
            color: var(--text-2);
            line-height: 1.75;
            display: none;
        }

        .faq-item.active .faq-answer {
            display: block;
        }

        /* 订阅表单 */
        .subscribe-panel {
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: var(--radius-2x);
            padding: 32px;
            display: flex;
            gap: 32px;
            align-items: center;
        }

        .subscribe-panel .sub-info {
            flex: 1;
        }

        .subscribe-panel .sub-info h3 {
            font-size: 22px;
            font-weight: 650;
            margin: 0 0 8px;
            color: #fff;
        }

        .subscribe-panel .sub-info p {
            font-size: 14px;
            color: var(--text-2);
            margin: 0;
        }

        .subscribe-panel .sub-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            flex: 1;
            min-width: 280px;
        }

        .subscribe-panel .sub-form input,
        .subscribe-panel .sub-form select {
            background: var(--bg);
            border: 1px solid var(--line);
            border-radius: 8px;
            padding: 10px 14px;
            color: var(--text);
            font-size: 14px;
            outline: none;
            transition: var(--transition);
            flex: 1;
            min-width: 120px;
        }

        .subscribe-panel .sub-form input:focus,
        .subscribe-panel .sub-form select:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.12);
        }

        .subscribe-panel .sub-form input::placeholder {
            color: var(--muted);
        }

        .subscribe-panel .sub-form select {
            cursor: pointer;
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12' fill='none'%3E%3Cpath d='M3 4.5L6 7.5L9 4.5' stroke='%238A93A5' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 12px center;
            padding-right: 32px;
        }

        /* 编辑推荐卡片行 */
        .recommend-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }

        .recommend-item {
            display: flex;
            gap: 12px;
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: var(--radius);
            padding: 14px;
            transition: var(--transition);
        }

        .recommend-item:hover {
            border-color: rgba(255, 107, 53, 0.35);
        }

        .recommend-item .rec-thumb {
            width: 72px;
            height: 72px;
            border-radius: 8px;
            overflow: hidden;
            flex-shrink: 0;
        }

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

        .recommend-item .rec-info h5 {
            font-size: 14px;
            font-weight: 600;
            margin: 0 0 4px;
            color: #fff;
            line-height: 1.4;
        }

        .recommend-item .rec-info p {
            font-size: 12px;
            color: var(--muted);
            margin: 0;
        }

        /* 页脚 */
        .site-footer {
            background: var(--footer-bg);
            border-top: 1px solid var(--line);
            padding: 48px 0 28px;
            color: var(--muted);
        }

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

        .footer-brand h4 {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 12px;
        }

        .footer-brand h4 svg {
            width: 24px;
            height: 24px;
        }

        .footer-brand p {
            font-size: 13px;
            line-height: 1.7;
            color: var(--muted);
            margin: 0;
            max-width: 320px;
        }

        .footer-col h5 {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 12px;
        }

        .footer-col a {
            display: block;
            font-size: 13px;
            color: var(--muted);
            margin-bottom: 8px;
            transition: var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid var(--line);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: var(--muted);
        }

        .footer-bottom .links {
            display: flex;
            gap: 8px;
        }

        .footer-bottom .links a {
            color: var(--muted);
            font-size: 12px;
        }

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

        /* 移动端菜单 */
        @media (max-width: 1024px) {
            .nav-links {
                gap: 2px;
            }
            .nav-links a {
                padding: 8px 10px;
                font-size: 13px;
            }
            .nav-search input {
                width: 100px;
            }
            .team-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .recommend-list {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-h);
                left: 0;
                right: 0;
                background: rgba(15, 17, 21, 0.98);
                backdrop-filter: blur(20px);
                border-bottom: 1px solid var(--line);
                flex-direction: column;
                padding: 16px 20px;
                gap: 6px;
                z-index: 99;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                padding: 12px 16px;
                font-size: 15px;
            }
            .nav-search {
                display: none;
            }
            .menu-toggle {
                display: flex;
            }
            .btn-ghost {
                display: none;
            }
            .header-inner {
                gap: 8px;
            }
            .team-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .focus-panel {
                flex-direction: column;
            }
            .focus-panel .focus-image {
                width: 100%;
                aspect-ratio: 16/9;
            }
            .topic-list {
                grid-template-columns: 1fr;
            }
            .subscribe-panel {
                flex-direction: column;
                padding: 24px;
            }
            .recommend-list {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .page-header h1 {
                font-size: 28px;
            }
            .section-title {
                font-size: 24px;
            }
        }

        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .nav-logo {
                font-size: 17px;
            }
            .nav-logo svg {
                width: 24px;
                height: 24px;
            }
            .btn-primary {
                font-size: 13px;
                padding: 8px 14px;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .card {
                padding: 16px;
            }
        }

/* roulang page: category1 */
:root {
            --bg: #0F1115;
            --bg-2: #171A21;
            --card: #1C1F27;
            --accent: #FF6B35;
            --accent-hover: #E55A2B;
            --mint: #2DD4BF;
            --mint-2: #34D399;
            --footer-bg: #0A0B0E;
            --text: #E6E9EF;
            --text-2: #B7BDC9;
            --muted: #8A93A5;
            --line: rgba(255, 255, 255, 0.06);
            --shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
            --radius: 12px;
            --radius-2x: 14px;
            --max-w: 1160px;
            --nav-h: 68px;
            --transition: all 0.22s ease;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            box-sizing: border-box;
        }
        *,
        *::before,
        *::after {
            box-sizing: inherit;
        }

        body {
            margin: 0;
            font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 16px;
            min-height: 100vh;
        }

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

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
            transition: var(--transition);
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .container {
            max-width: var(--max-w);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* 导航栏 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(15, 17, 21, 0.94);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--line);
            height: var(--nav-h);
            display: flex;
            align-items: center;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: 16px;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            letter-spacing: -0.3px;
            color: #fff;
            flex-shrink: 0;
        }
        .nav-logo svg {
            width: 28px;
            height: 28px;
            flex-shrink: 0;
        }
        .nav-logo span {
            color: var(--accent);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-2);
            border-radius: 8px;
            white-space: nowrap;
            letter-spacing: 0.2px;
            transition: var(--transition);
        }
        .nav-links a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.05);
        }
        .nav-links a.active {
            color: var(--accent);
            background: rgba(255, 107, 53, 0.1);
        }
        .nav-right {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .nav-search {
            display: flex;
            align-items: center;
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: 8px;
            padding: 0 10px;
            height: 38px;
            transition: var(--transition);
        }
        .nav-search:focus-within {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.15);
        }
        .nav-search input {
            background: transparent;
            border: none;
            color: var(--text);
            font-size: 13px;
            width: 140px;
            padding: 0 8px;
            outline: none;
        }
        .nav-search input::placeholder {
            color: var(--muted);
        }
        .nav-search button {
            color: var(--muted);
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 4px;
            border-radius: 6px;
        }
        .nav-search button:hover {
            color: var(--accent);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            font-weight: 600;
            font-size: 14px;
            padding: 9px 18px;
            border-radius: 8px;
            transition: var(--transition);
            letter-spacing: 0.2px;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--accent);
            color: #fff;
            border: 1px solid var(--accent);
        }
        .btn-primary:hover {
            background: var(--accent-hover);
            border-color: var(--accent-hover);
            color: #fff;
            transform: scale(1.03);
            box-shadow: 0 8px 22px rgba(255, 107, 53, 0.3);
        }
        .btn-secondary {
            background: transparent;
            color: var(--accent);
            border: 1px solid var(--accent);
        }
        .btn-secondary:hover {
            background: rgba(255, 107, 53, 0.1);
            border-color: var(--accent-hover);
            color: var(--accent-hover);
        }
        .btn-ghost {
            background: transparent;
            color: var(--text-2);
            border: 1px solid transparent;
            padding-left: 12px;
            padding-right: 12px;
        }
        .btn-ghost:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.05);
        }

        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 4px;
            padding: 8px;
            border-radius: 8px;
            border: 1px solid var(--line);
            background: var(--card);
        }
        .menu-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text);
            border-radius: 2px;
            transition: var(--transition);
        }

        /* 分类页头部窄横幅 */
        .category-hero {
            padding: 44px 0 36px;
            background: linear-gradient(180deg, var(--bg-2) 0%, var(--bg) 100%);
            border-bottom: 1px solid var(--line);
            position: relative;
            overflow: hidden;
        }
        .category-hero::after {
            content: "";
            position: absolute;
            top: -40%;
            right: -10%;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(255, 107, 53, 0.1) 0%, transparent 65%);
            pointer-events: none;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--muted);
            margin-bottom: 14px;
            position: relative;
            z-index: 1;
        }
        .breadcrumb a {
            color: var(--text-2);
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }
        .breadcrumb .sep {
            opacity: 0.5;
        }
        .category-hero h1 {
            font-size: 36px;
            line-height: 1.2;
            font-weight: 700;
            color: #fff;
            margin: 0 0 12px;
            letter-spacing: -0.5px;
            position: relative;
            z-index: 1;
        }
        .category-hero h1 .highlight {
            color: var(--accent);
        }
        .category-desc {
            font-size: 15px;
            color: var(--text-2);
            max-width: 680px;
            line-height: 1.8;
            margin: 0;
            position: relative;
            z-index: 1;
        }

        /* 板块通用 */
        .section-block {
            padding: 48px 0;
        }
        .section-block.alt-bg {
            background: var(--bg-2);
            border-top: 1px solid var(--line);
            border-bottom: 1px solid var(--line);
        }
        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 20px;
            margin-bottom: 28px;
            flex-wrap: wrap;
        }
        .section-head h2 {
            font-size: 26px;
            font-weight: 650;
            color: #fff;
            margin: 0;
            letter-spacing: -0.3px;
            line-height: 1.3;
        }
        .section-head .sub {
            font-size: 14px;
            color: var(--muted);
            margin-top: 6px;
            max-width: 520px;
        }
        .section-head .more-link {
            font-size: 14px;
            color: var(--accent);
            font-weight: 600;
            white-space: nowrap;
        }
        .section-head .more-link:hover {
            color: var(--accent-hover);
        }

        /* 焦点赛事卡片 */
        .focus-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .focus-card {
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: var(--radius-2x);
            padding: 22px;
            box-shadow: var(--shadow);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .focus-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent), var(--mint));
            opacity: 0;
            transition: var(--transition);
        }
        .focus-card:hover {
            border-color: rgba(255, 107, 53, 0.5);
            transform: translateY(-2px);
        }
        .focus-card:hover::before {
            opacity: 1;
        }
        .focus-card .tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--mint);
            background: rgba(45, 212, 191, 0.1);
            border: 1px solid rgba(45, 212, 191, 0.25);
            border-radius: 4px;
            padding: 2px 8px;
            margin-bottom: 12px;
        }
        .focus-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 8px;
            line-height: 1.4;
        }
        .focus-card .match-info {
            font-size: 14px;
            color: var(--text-2);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .focus-card .teams {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .focus-card .teams .versus {
            color: var(--accent);
            font-weight: 700;
        }

        /* 赛程列表主体 */
        .match-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .match-card {
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: var(--radius-2x);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .match-card:hover {
            border-color: rgba(255, 107, 53, 0.5);
            transform: translateY(-2px);
            box-shadow: 0 14px 40px rgba(0, 0, 0, 0.55);
        }
        .match-card .card-img {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/9;
            background: var(--bg-2);
        }
        .match-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.35s ease;
        }
        .match-card:hover .card-img img {
            transform: scale(1.04);
        }
        .match-card .card-img .img-tag {
            position: absolute;
            top: 10px;
            left: 10px;
            background: rgba(15, 17, 21, 0.85);
            border: 1px solid rgba(255, 255, 255, 0.1);
            color: var(--mint);
            font-size: 12px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 4px;
        }
        .match-card .card-body {
            padding: 18px 18px 16px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .match-card .card-title {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 8px;
            line-height: 1.45;
        }
        .match-card .card-summary {
            font-size: 13px;
            color: var(--text-2);
            line-height: 1.6;
            margin: 0 0 14px;
            flex: 1;
        }
        .match-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: var(--muted);
            border-top: 1px solid var(--line);
            padding-top: 12px;
        }
        .match-card .card-meta .date-label {
            color: var(--text-2);
        }
        .match-card .card-meta .tag-chip {
            background: rgba(255, 107, 53, 0.1);
            color: var(--accent);
            border-radius: 4px;
            padding: 2px 8px;
            font-weight: 600;
        }

        /* 榜单 */
        .rank-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .rank-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: 10px;
            padding: 14px 18px;
            transition: var(--transition);
        }
        .rank-item:hover {
            border-color: rgba(255, 107, 53, 0.4);
            background: rgba(255, 107, 53, 0.04);
        }
        .rank-item .rank-num {
            font-size: 18px;
            font-weight: 700;
            color: var(--accent);
            width: 32px;
            text-align: center;
            flex-shrink: 0;
        }
        .rank-item .rank-num.top1 {
            color: #FFD700;
        }
        .rank-item .rank-num.top2 {
            color: #C0C0C0;
        }
        .rank-item .rank-num.top3 {
            color: #CD7F32;
        }
        .rank-item .rank-info {
            flex: 1;
        }
        .rank-item .rank-name {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 2px;
        }
        .rank-item .rank-detail {
            font-size: 13px;
            color: var(--muted);
        }
        .rank-item .rank-value {
            font-size: 16px;
            font-weight: 700;
            color: var(--mint);
            white-space: nowrap;
        }

        /* 数据速览 */
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }
        .stat-card {
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: var(--radius-2x);
            padding: 22px 18px;
            text-align: center;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .stat-card:hover {
            border-color: rgba(45, 212, 191, 0.4);
            transform: translateY(-2px);
        }
        .stat-card .stat-num {
            font-size: 32px;
            font-weight: 700;
            color: var(--mint);
            line-height: 1.2;
            margin-bottom: 6px;
            letter-spacing: -0.5px;
        }
        .stat-card .stat-label {
            font-size: 13px;
            color: var(--muted);
        }

        /* 编辑推荐 */
        .editor-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .editor-card {
            display: flex;
            gap: 14px;
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: var(--radius-2x);
            padding: 14px;
            transition: var(--transition);
            align-items: center;
        }
        .editor-card:hover {
            border-color: rgba(255, 107, 53, 0.4);
            transform: translateY(-2px);
        }
        .editor-card img {
            width: 80px;
            height: 80px;
            object-fit: cover;
            border-radius: 8px;
            flex-shrink: 0;
        }
        .editor-card .editor-info h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 4px;
            line-height: 1.4;
        }
        .editor-card .editor-info p {
            font-size: 12px;
            color: var(--muted);
            margin: 0;
            line-height: 1.5;
        }

        /* 近期更新 */
        .update-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .update-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: 10px;
            padding: 14px 18px;
            transition: var(--transition);
        }
        .update-item:hover {
            border-color: rgba(255, 107, 53, 0.35);
        }
        .update-item .update-date {
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .update-item .update-text {
            font-size: 14px;
            color: var(--text-2);
            flex: 1;
        }
        .update-item .update-tag {
            font-size: 12px;
            color: var(--mint);
            background: rgba(45, 212, 191, 0.08);
            border-radius: 4px;
            padding: 2px 8px;
            white-space: nowrap;
        }

        /* 订阅CTA */
        .subscribe-cta {
            background: var(--bg-2);
            border: 1px solid var(--line);
            border-radius: var(--radius-2x);
            padding: 32px 28px;
            text-align: center;
            box-shadow: var(--shadow);
            position: relative;
            overflow: hidden;
        }
        .subscribe-cta::before {
            content: "";
            position: absolute;
            top: -60%;
            left: 50%;
            transform: translateX(-50%);
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(255, 107, 53, 0.08) 0%, transparent 65%);
            pointer-events: none;
        }
        .subscribe-cta h2 {
            font-size: 24px;
            font-weight: 650;
            color: #fff;
            margin: 0 0 8px;
        }
        .subscribe-cta p {
            font-size: 14px;
            color: var(--text-2);
            margin: 0 0 20px;
        }
        .subscribe-form {
            display: flex;
            gap: 10px;
            max-width: 480px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }
        .subscribe-form input {
            flex: 1;
            min-width: 240px;
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: 8px;
            padding: 10px 14px;
            color: var(--text);
            font-size: 14px;
            outline: none;
            transition: var(--transition);
        }
        .subscribe-form input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.15);
        }
        .subscribe-form input::placeholder {
            color: var(--muted);
        }

        /* 页脚 */
        .site-footer {
            background: var(--footer-bg);
            border-top: 1px solid var(--line);
            padding: 48px 0 24px;
            margin-top: 48px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand h4 {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 12px;
        }
        .footer-brand h4 svg {
            width: 26px;
            height: 26px;
        }
        .footer-brand p {
            font-size: 13px;
            color: var(--muted);
            line-height: 1.7;
            margin: 0;
            max-width: 320px;
        }
        .footer-col h5 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 14px;
            letter-spacing: 0.2px;
        }
        .footer-col a {
            display: block;
            font-size: 13px;
            color: var(--muted);
            margin-bottom: 8px;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid var(--line);
            padding-top: 20px;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 6px;
            text-align: center;
        }
        .footer-bottom p {
            font-size: 12px;
            color: var(--muted);
            margin: 0;
        }
        .footer-bottom .links {
            font-size: 12px;
            color: var(--muted);
        }
        .footer-bottom .links a {
            color: var(--muted);
            margin: 0 4px;
        }
        .footer-bottom .links a:hover {
            color: var(--accent);
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .focus-grid,
            .match-grid,
            .editor-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stat-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .nav-search input {
                width: 100px;
            }
        }
        @media (max-width: 768px) {
            .menu-toggle {
                display: flex;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-h);
                left: 0;
                right: 0;
                flex-direction: column;
                background: rgba(15, 17, 21, 0.98);
                border-bottom: 1px solid var(--line);
                padding: 16px 20px;
                gap: 6px;
                z-index: 99;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                padding: 12px 14px;
                font-size: 15px;
            }
            .nav-search {
                display: none;
            }
            .btn.nav-cta {
                padding: 8px 12px;
                font-size: 13px;
            }
            .category-hero h1 {
                font-size: 28px;
            }
            .category-desc {
                font-size: 14px;
            }
            .section-block {
                padding: 32px 0;
            }
            .section-head h2 {
                font-size: 22px;
            }
            .focus-grid,
            .match-grid,
            .editor-grid,
            .stat-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 14px;
                padding-right: 14px;
            }
            .header-inner {
                gap: 8px;
            }
            .nav-logo {
                font-size: 17px;
            }
            .nav-logo svg {
                width: 24px;
                height: 24px;
            }
            .btn.nav-cta {
                padding: 7px 10px;
                font-size: 12px;
            }
            .category-hero {
                padding: 28px 0 24px;
            }
            .category-hero h1 {
                font-size: 24px;
            }
            .focus-card,
            .stat-card,
            .subscribe-cta {
                padding: 16px;
            }
            .match-card .card-title {
                font-size: 15px;
            }
            .rank-item {
                padding: 12px 14px;
                gap: 10px;
            }
        }

/* roulang page: category3 */
:root {
            --bg: #0F1115;
            --bg-2: #171A21;
            --card: #1C1F27;
            --accent: #FF6B35;
            --accent-hover: #E55A2B;
            --mint: #2DD4BF;
            --mint-2: #34D399;
            --footer-bg: #0A0B0E;
            --text: #E6E9EF;
            --text-2: #B7BDC9;
            --muted: #8A93A5;
            --line: rgba(255, 255, 255, 0.06);
            --shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
            --radius: 12px;
            --radius-2x: 14px;
            --max-w: 1160px;
            --nav-h: 68px;
            --transition: all 0.22s ease;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            margin: 0;
            font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 16px;
            min-height: 100vh;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
            transition: var(--transition);
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: 4px;
        }
        .container {
            max-width: var(--max-w);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* 导航栏 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(15, 17, 21, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--line);
            height: var(--nav-h);
            display: flex;
            align-items: center;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: 16px;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            letter-spacing: -0.3px;
            color: #fff;
            flex-shrink: 0;
        }
        .nav-logo svg {
            width: 28px;
            height: 28px;
            flex-shrink: 0;
        }
        .nav-logo span {
            color: var(--accent);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-2);
            border-radius: 8px;
            white-space: nowrap;
            letter-spacing: 0.2px;
            transition: var(--transition);
        }
        .nav-links a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.05);
        }
        .nav-links a.active {
            color: var(--accent);
            background: rgba(255, 107, 53, 0.1);
        }
        .nav-right {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .nav-search {
            display: flex;
            align-items: center;
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: 8px;
            padding: 0 10px;
            height: 38px;
            transition: var(--transition);
        }
        .nav-search:focus-within {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.15);
        }
        .nav-search input {
            background: transparent;
            border: none;
            color: var(--text);
            font-size: 13px;
            width: 140px;
            padding: 0 8px;
            outline: none;
        }
        .nav-search input::placeholder {
            color: var(--muted);
        }
        .nav-search button {
            color: var(--muted);
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 4px;
            border-radius: 6px;
        }
        .nav-search button:hover {
            color: var(--accent);
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            font-weight: 600;
            font-size: 14px;
            padding: 9px 18px;
            border-radius: 8px;
            transition: var(--transition);
            letter-spacing: 0.2px;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--accent);
            color: #fff;
            border: 1px solid var(--accent);
        }
        .btn-primary:hover {
            background: var(--accent-hover);
            border-color: var(--accent-hover);
            color: #fff;
            transform: scale(1.03);
            box-shadow: 0 8px 22px rgba(255, 107, 53, 0.3);
        }
        .btn-secondary {
            background: transparent;
            color: var(--accent);
            border: 1px solid var(--accent);
        }
        .btn-secondary:hover {
            background: rgba(255, 107, 53, 0.1);
            border-color: var(--accent-hover);
            color: var(--accent-hover);
        }
        .btn-ghost {
            background: transparent;
            color: var(--text-2);
            border: 1px solid transparent;
            padding-left: 12px;
            padding-right: 12px;
        }
        .btn-ghost:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.05);
        }
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 4px;
            padding: 8px;
            border-radius: 8px;
            color: var(--text-2);
        }
        .menu-toggle:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.05);
        }
        .menu-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: currentColor;
            border-radius: 2px;
            transition: var(--transition);
        }

        /* 卡片 */
        .card {
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: var(--radius-2x);
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .card:hover {
            transform: translateY(-2px);
            border-color: var(--accent);
            box-shadow: 0 14px 36px rgba(0, 0, 0, 0.55);
        }
        .card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: var(--radius-2x) var(--radius-2x) 0 0;
        }
        .card-body {
            padding: 18px 20px 20px;
        }
        .card-tag {
            display: inline-flex;
            align-items: center;
            padding: 3px 10px;
            font-size: 12px;
            font-weight: 500;
            border-radius: 999px;
            background: rgba(255, 107, 53, 0.12);
            color: var(--accent);
            letter-spacing: 0.4px;
        }
        .card-date {
            font-size: 13px;
            color: var(--muted);
        }

        /* 页脚 */
        .site-footer {
            background: var(--footer-bg);
            border-top: 1px solid var(--line);
            padding-top: 48px;
            padding-bottom: 28px;
            margin-top: 64px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .footer-brand h4 {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 14px;
        }
        .footer-brand h4 svg {
            width: 28px;
            height: 28px;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
            margin: 0;
            max-width: 360px;
        }
        .footer-col h5 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-2);
            margin: 0 0 14px;
            letter-spacing: 0.3px;
        }
        .footer-col a {
            display: block;
            font-size: 14px;
            color: var(--muted);
            padding: 4px 0;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid var(--line);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-bottom p {
            font-size: 13px;
            color: var(--muted);
            margin: 0;
        }
        .footer-bottom .links {
            font-size: 13px;
            color: var(--muted);
        }

        /* 布局辅助 */
        .section-gap {
            margin-top: 56px;
        }
        .section-gap-sm {
            margin-top: 40px;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            font-size: 12px;
            font-weight: 600;
            border-radius: 999px;
            letter-spacing: 0.4px;
            background: rgba(45, 212, 191, 0.1);
            color: var(--mint);
        }
        .badge-orange {
            background: rgba(255, 107, 53, 0.12);
            color: var(--accent);
        }
        .text-accent {
            color: var(--accent);
        }
        .text-mint {
            color: var(--mint);
        }
        .text-muted {
            color: var(--muted);
        }
        .text-2 {
            color: var(--text-2);
        }

        /* 斜切头部 */
        .slant-hero {
            position: relative;
            background: var(--bg-2);
            border-radius: 0 0 24px 24px;
            overflow: hidden;
            padding: 48px 0 56px;
            border-bottom: 1px solid var(--line);
        }
        .slant-hero::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -10%;
            width: 60%;
            height: 220%;
            background: linear-gradient(135deg, rgba(255, 107, 53, 0.16) 0%, rgba(45, 212, 191, 0.08) 100%);
            transform: skewX(-14deg);
            z-index: 0;
            pointer-events: none;
        }
        .slant-hero::after {
            content: '';
            position: absolute;
            bottom: -40%;
            left: -8%;
            width: 40%;
            height: 180%;
            background: linear-gradient(45deg, rgba(255, 107, 53, 0.08) 0%, transparent 60%);
            transform: skewX(10deg);
            z-index: 0;
            pointer-events: none;
        }
        .slant-hero .container {
            position: relative;
            z-index: 1;
        }

        /* 排行榜 */
        .rank-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .rank-list li {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 14px 0;
            border-bottom: 1px solid var(--line);
            transition: var(--transition);
        }
        .rank-list li:last-child {
            border-bottom: none;
        }
        .rank-list li:hover {
            background: rgba(255, 255, 255, 0.03);
            border-radius: 8px;
            padding-left: 8px;
            padding-right: 8px;
        }
        .rank-num {
            font-size: 20px;
            font-weight: 700;
            color: var(--accent);
            width: 32px;
            text-align: center;
            flex-shrink: 0;
        }
        .rank-num.top {
            color: var(--mint);
        }
        .rank-info h4 {
            font-size: 15px;
            font-weight: 600;
            margin: 0 0 2px;
            color: var(--text);
        }
        .rank-info p {
            font-size: 13px;
            color: var(--muted);
            margin: 0;
        }

        /* 表单 */
        .input-field {
            width: 100%;
            padding: 11px 16px;
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: 8px;
            color: var(--text);
            font-size: 14px;
            transition: var(--transition);
            outline: none;
        }
        .input-field::placeholder {
            color: var(--muted);
        }
        .input-field:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.15);
        }
        .form-label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: var(--text-2);
            margin-bottom: 6px;
            letter-spacing: 0.3px;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .nav-search {
                display: none;
            }
            .nav-links {
                gap: 2px;
            }
            .nav-links a {
                padding: 8px 10px;
                font-size: 13px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 768px) {
            .menu-toggle {
                display: flex;
            }
            .nav-links {
                position: fixed;
                top: var(--nav-h);
                left: 0;
                right: 0;
                background: rgba(15, 17, 21, 0.98);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                flex-direction: column;
                align-items: stretch;
                padding: 16px 20px;
                gap: 4px;
                border-bottom: 1px solid var(--line);
                display: none;
                z-index: 99;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                padding: 12px 16px;
                font-size: 15px;
                border-radius: 8px;
            }
            .nav-search {
                display: none;
            }
            .nav-right .btn-ghost {
                display: none;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .slant-hero {
                padding: 32px 0 40px;
            }
        }
        @media (max-width: 520px) {
            .nav-logo span {
                font-size: 17px;
            }
            .btn {
                font-size: 13px;
                padding: 8px 14px;
            }
            .card-body {
                padding: 14px 16px 16px;
            }
            .card-img {
                height: 150px;
            }
        }

/* roulang page: category4 */
:root {
            --bg: #0F1115;
            --bg-2: #171A21;
            --card: #1C1F27;
            --accent: #FF6B35;
            --accent-hover: #E55A2B;
            --mint: #2DD4BF;
            --mint-2: #34D399;
            --footer-bg: #0A0B0E;
            --text: #E6E9EF;
            --text-2: #B7BDC9;
            --muted: #8A93A5;
            --line: rgba(255, 255, 255, 0.06);
            --shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
            --radius: 12px;
            --radius-2x: 14px;
            --max-w: 1160px;
            --nav-h: 68px;
            --transition: all 0.22s ease;
        }

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

        body {
            margin: 0;
            font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 16px;
            min-height: 100vh;
        }

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

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

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
            transition: var(--transition);
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .container {
            max-width: var(--max-w);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(15, 17, 21, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--line);
            height: var(--nav-h);
            display: flex;
            align-items: center;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: 16px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            letter-spacing: -0.3px;
            color: #fff;
            flex-shrink: 0;
        }

        .nav-logo svg {
            width: 28px;
            height: 28px;
            flex-shrink: 0;
        }

        .nav-logo span {
            color: var(--accent);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-2);
            border-radius: 8px;
            white-space: nowrap;
            letter-spacing: 0.2px;
            transition: var(--transition);
        }

        .nav-links a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.05);
        }

        .nav-links a.active {
            color: var(--accent);
            background: rgba(255, 107, 53, 0.1);
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-search {
            display: flex;
            align-items: center;
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: 8px;
            padding: 0 10px;
            height: 38px;
            transition: var(--transition);
        }

        .nav-search:focus-within {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.15);
        }

        .nav-search input {
            background: transparent;
            border: none;
            color: var(--text);
            font-size: 13px;
            width: 140px;
            padding: 0 8px;
            outline: none;
        }

        .nav-search input::placeholder {
            color: var(--muted);
        }

        .nav-search button {
            color: var(--muted);
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 4px;
            border-radius: 6px;
        }

        .nav-search button:hover {
            color: var(--accent);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            font-weight: 600;
            font-size: 14px;
            padding: 9px 18px;
            border-radius: 8px;
            transition: var(--transition);
            letter-spacing: 0.2px;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--accent);
            color: #fff;
            border: 1px solid var(--accent);
        }

        .btn-primary:hover {
            background: var(--accent-hover);
            border-color: var(--accent-hover);
            color: #fff;
            transform: scale(1.03);
            box-shadow: 0 8px 22px rgba(255, 107, 53, 0.3);
        }

        .btn-secondary {
            background: transparent;
            color: var(--accent);
            border: 1px solid var(--accent);
        }

        .btn-secondary:hover {
            background: rgba(255, 107, 53, 0.1);
            border-color: var(--accent-hover);
            color: var(--accent-hover);
        }

        .btn-ghost {
            background: transparent;
            color: var(--text-2);
            border: 1px solid transparent;
            padding-left: 12px;
            padding-right: 12px;
        }

        .btn-ghost:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.05);
        }

        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: transparent;
            padding: 6px;
            border-radius: 6px;
            border: 1px solid var(--line);
        }
        .menu-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text);
            border-radius: 2px;
            transition: var(--transition);
        }

        .section-pad {
            padding-top: 56px;
            padding-bottom: 56px;
        }

        .section-pad-sm {
            padding-top: 36px;
            padding-bottom: 36px;
        }

        .section-title {
            font-size: 26px;
            font-weight: 650;
            letter-spacing: -0.4px;
            color: #fff;
            margin: 0 0 10px;
        }

        .section-sub {
            font-size: 15px;
            color: var(--muted);
            margin: 0 0 28px;
            line-height: 1.8;
        }

        .card-base {
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: var(--radius-2x);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: var(--transition);
            position: relative;
        }

        .card-base:hover {
            transform: translateY(-2px);
            border-color: var(--accent);
            box-shadow: 0 14px 38px rgba(0, 0, 0, 0.55);
        }

        .tag {
            display: inline-flex;
            align-items: center;
            padding: 4px 10px;
            font-size: 12px;
            font-weight: 500;
            border-radius: 6px;
            background: rgba(255, 107, 53, 0.12);
            color: var(--accent);
            letter-spacing: 0.2px;
            white-space: nowrap;
        }

        .tag-mint {
            background: rgba(45, 212, 191, 0.12);
            color: var(--mint);
        }

        .tag-ghost {
            background: rgba(255, 255, 255, 0.05);
            color: var(--text-2);
        }

        .divider {
            height: 1px;
            background: var(--line);
            border: none;
            margin: 0;
        }

        .site-footer {
            background: var(--footer-bg);
            padding: 48px 0 24px;
            border-top: 1px solid var(--line);
            font-size: 14px;
            color: var(--muted);
        }

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

        .footer-brand h4 {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 10px;
        }
        .footer-brand h4 svg {
            width: 24px;
            height: 24px;
        }
        .footer-brand p {
            font-size: 13px;
            line-height: 1.75;
            margin: 0;
        }
        .footer-col h5 {
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            margin: 0 0 12px;
        }
        .footer-col a {
            display: block;
            font-size: 13px;
            color: var(--muted);
            padding: 4px 0;
        }
        .footer-col a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid var(--line);
            padding-top: 18px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 8px 16px;
            font-size: 12px;
        }
        .footer-bottom p {
            margin: 0;
        }
        .footer-bottom .links a {
            color: var(--muted);
            margin: 0 2px;
        }
        .footer-bottom .links a:hover {
            color: var(--accent);
        }

        .page-banner {
            background: var(--bg-2);
            border: 1px solid var(--line);
            border-radius: var(--radius-2x);
            padding: 28px 28px 24px;
            margin-bottom: 28px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }
        .page-banner h1 {
            font-size: 32px;
            font-weight: 700;
            letter-spacing: -0.5px;
            color: #fff;
            margin: 0 0 6px;
            line-height: 1.3;
        }
        .page-banner .sub {
            font-size: 15px;
            color: var(--text-2);
            margin: 0;
            line-height: 1.7;
            max-width: 640px;
        }
        .banner-stats {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
        }
        .banner-stats .stat-item {
            text-align: right;
        }
        .banner-stats .stat-num {
            font-size: 26px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.2;
        }
        .banner-stats .stat-label {
            font-size: 12px;
            color: var(--muted);
        }

        .news-card .news-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/9;
        }
        .news-card .news-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .news-card:hover .news-img-wrap img {
            transform: scale(1.06);
        }
        .news-card .card-body {
            padding: 16px 18px 18px;
        }
        .news-card .card-body h3 {
            font-size: 17px;
            font-weight: 600;
            color: #fff;
            margin: 10px 0 8px;
            line-height: 1.45;
            letter-spacing: -0.2px;
        }
        .news-card .card-body p {
            font-size: 13px;
            color: var(--muted);
            margin: 0 0 12px;
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 12px;
            color: var(--muted);
            flex-wrap: wrap;
        }

        .focus-panel {
            background: var(--bg-2);
            border: 1px solid var(--line);
            border-radius: var(--radius-2x);
            padding: 24px;
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            align-items: center;
            margin-bottom: 28px;
        }
        .focus-panel .countdown {
            display: flex;
            gap: 12px;
            align-items: center;
            flex-wrap: wrap;
        }
        .countdown-block {
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: 8px;
            padding: 10px 14px;
            text-align: center;
            min-width: 56px;
        }
        .countdown-block .num {
            font-size: 24px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.2;
        }
        .countdown-block .label {
            font-size: 11px;
            color: var(--muted);
        }
        .countdown-sep {
            font-size: 22px;
            color: var(--muted);
            font-weight: 600;
        }

        .hot-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .hot-item {
            display: flex;
            align-items: center;
            gap: 14px;
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: 10px;
            padding: 12px 16px;
            transition: var(--transition);
        }
        .hot-item:hover {
            border-color: var(--accent);
            background: #1F232C;
        }
        .hot-item .rank {
            font-size: 22px;
            font-weight: 700;
            color: var(--accent);
            min-width: 32px;
            text-align: center;
        }
        .hot-item .rank.alt {
            color: var(--mint);
        }
        .hot-item .hot-body h4 {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 4px;
            line-height: 1.45;
        }
        .hot-item .hot-body p {
            font-size: 12px;
            color: var(--muted);
            margin: 0;
        }

        .timeline-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            position: relative;
            padding-left: 20px;
        }
        .timeline-list::before {
            content: '';
            position: absolute;
            left: 4px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: var(--line);
        }
        .timeline-item {
            position: relative;
            padding: 0 0 20px 14px;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -22px;
            top: 8px;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--accent);
            border: 2px solid var(--bg);
        }
        .timeline-item:last-child {
            padding-bottom: 0;
        }
        .timeline-item .t-date {
            font-size: 12px;
            color: var(--muted);
            margin: 0 0 4px;
        }
        .timeline-item h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 4px;
            line-height: 1.5;
        }
        .timeline-item p {
            font-size: 13px;
            color: var(--text-2);
            margin: 0;
            line-height: 1.7;
        }

        .discuss-item {
            padding: 14px 0;
            border-bottom: 1px solid var(--line);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }
        .discuss-item:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }
        .discuss-item .d-title {
            font-size: 14px;
            font-weight: 500;
            color: var(--text);
            margin: 0 0 4px;
        }
        .discuss-item .d-meta {
            font-size: 12px;
            color: var(--muted);
        }
        .discuss-item .d-count {
            font-size: 12px;
            color: var(--accent);
            background: rgba(255, 107, 53, 0.1);
            padding: 4px 10px;
            border-radius: 6px;
            white-space: nowrap;
        }

        .subscribe-box {
            background: var(--bg-2);
            border: 1px solid var(--line);
            border-radius: var(--radius-2x);
            padding: 28px;
            text-align: center;
        }
        .subscribe-box h2 {
            font-size: 22px;
            font-weight: 650;
            color: #fff;
            margin: 0 0 8px;
            letter-spacing: -0.3px;
        }
        .subscribe-box p {
            font-size: 14px;
            color: var(--muted);
            margin: 0 0 20px;
        }
        .subscribe-form {
            display: flex;
            gap: 10px;
            max-width: 480px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }
        .subscribe-form input {
            flex: 1;
            min-width: 200px;
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: 8px;
            padding: 10px 16px;
            color: var(--text);
            font-size: 14px;
            outline: none;
            transition: var(--transition);
        }
        .subscribe-form input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.15);
        }
        .subscribe-form input::placeholder {
            color: var(--muted);
        }

        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: var(--nav-h);
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(15, 17, 21, 0.98);
            z-index: 99;
            padding: 24px 20px;
            flex-direction: column;
            gap: 6px;
            overflow-y: auto;
        }
        .mobile-nav-overlay.open {
            display: flex;
        }
        .mobile-nav-overlay a {
            padding: 12px 16px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-2);
            border-radius: 8px;
        }
        .mobile-nav-overlay a:hover {
            background: rgba(255, 255, 255, 0.05);
            color: #fff;
        }
        .mobile-nav-overlay a.active {
            color: var(--accent);
            background: rgba(255, 107, 53, 0.1);
        }

        @media (max-width: 1024px) {
            .nav-links {
                display: none;
            }
            .nav-search {
                display: none;
            }
            .menu-toggle {
                display: flex;
            }
            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .page-banner {
                flex-direction: column;
                align-items: flex-start;
            }
            .banner-stats .stat-item {
                text-align: left;
            }
        }

        @media (max-width: 640px) {
            .grid-3 {
                grid-template-columns: 1fr;
            }
            .grid-2 {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .section-pad {
                padding-top: 36px;
                padding-bottom: 36px;
            }
            .section-title {
                font-size: 22px;
            }
            .page-banner h1 {
                font-size: 26px;
            }
            .focus-panel {
                flex-direction: column;
                align-items: flex-start;
            }
            .btn {
                font-size: 13px;
                padding: 8px 14px;
            }
            .nav-logo {
                font-size: 18px;
            }
            .container {
                padding-left: 14px;
                padding-right: 14px;
            }
        }

/* roulang page: category5 */
:root {
      --bg: #0F1115;
      --bg-2: #171A21;
      --card: #1C1F27;
      --accent: #FF6B35;
      --accent-hover: #E55A2B;
      --mint: #2DD4BF;
      --mint-2: #34D399;
      --footer-bg: #0A0B0E;
      --text: #E6E9EF;
      --text-2: #B7BDC9;
      --muted: #8A93A5;
      --line: rgba(255, 255, 255, 0.06);
      --shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
      --radius: 12px;
      --radius-2x: 14px;
      --max-w: 1160px;
      --nav-h: 68px;
      --transition: all 0.22s ease;
    }

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

    body {
      margin: 0;
      font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      background-color: var(--bg);
      color: var(--text);
      line-height: 1.75;
      font-size: 16px;
      min-height: 100vh;
    }

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

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

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

    button,
    input,
    select,
    textarea {
      font-family: inherit;
      font-size: inherit;
      line-height: inherit;
    }

    button {
      cursor: pointer;
      border: none;
      background: none;
      transition: var(--transition);
    }

    button:focus-visible,
    a:focus-visible,
    input:focus-visible,
    select:focus-visible,
    textarea:focus-visible {
      outline: 2px solid var(--accent);
      outline-offset: 2px;
      border-radius: 4px;
    }

    .container {
      max-width: var(--max-w);
      margin: 0 auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    /* 导航栏 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(15, 17, 21, 0.92);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--line);
      height: var(--nav-h);
      display: flex;
      align-items: center;
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      width: 100%;
      gap: 16px;
    }

    .nav-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-weight: 700;
      font-size: 20px;
      letter-spacing: -0.3px;
      color: #fff;
      flex-shrink: 0;
    }

    .nav-logo svg {
      width: 28px;
      height: 28px;
      flex-shrink: 0;
    }

    .nav-logo span {
      color: var(--accent);
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 4px;
      flex-wrap: nowrap;
    }

    .nav-links a {
      display: inline-flex;
      align-items: center;
      padding: 8px 14px;
      font-size: 14px;
      font-weight: 500;
      color: var(--text-2);
      border-radius: 8px;
      white-space: nowrap;
      letter-spacing: 0.2px;
      transition: var(--transition);
    }

    .nav-links a:hover {
      color: #fff;
      background: rgba(255, 255, 255, 0.05);
    }

    .nav-links a.active {
      color: var(--accent);
      background: rgba(255, 107, 53, 0.1);
    }

    .nav-right {
      display: flex;
      align-items: center;
      gap: 10px;
      flex-shrink: 0;
    }

    .nav-search {
      display: flex;
      align-items: center;
      background: var(--card);
      border: 1px solid var(--line);
      border-radius: 8px;
      padding: 0 10px;
      height: 38px;
      transition: var(--transition);
    }

    .nav-search:focus-within {
      border-color: var(--accent);
      box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.15);
    }

    .nav-search input {
      background: transparent;
      border: none;
      color: var(--text);
      font-size: 13px;
      width: 140px;
      padding: 0 8px;
      outline: none;
    }

    .nav-search input::placeholder {
      color: var(--muted);
    }

    .nav-search button {
      color: var(--muted);
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 4px;
      border-radius: 6px;
    }

    .nav-search button:hover {
      color: var(--accent);
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      font-weight: 600;
      font-size: 14px;
      padding: 9px 18px;
      border-radius: 8px;
      transition: var(--transition);
      letter-spacing: 0.2px;
      white-space: nowrap;
    }

    .btn-primary {
      background: var(--accent);
      color: #fff;
      border: 1px solid var(--accent);
    }

    .btn-primary:hover {
      background: var(--accent-hover);
      border-color: var(--accent-hover);
      color: #fff;
      transform: scale(1.03);
      box-shadow: 0 8px 22px rgba(255, 107, 53, 0.3);
    }

    .btn-secondary {
      background: transparent;
      color: var(--accent);
      border: 1px solid var(--accent);
    }

    .btn-secondary:hover {
      background: rgba(255, 107, 53, 0.1);
      border-color: var(--accent-hover);
      color: var(--accent-hover);
    }

    .btn-ghost {
      background: transparent;
      color: var(--text-2);
      border: 1px solid transparent;
      padding-left: 12px;
      padding-right: 12px;
    }

    .btn-ghost:hover {
      color: #fff;
      background: rgba(255, 255, 255, 0.05);
    }

    .menu-toggle {
      display: none;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      width: 40px;
      height: 40px;
      border-radius: 8px;
      border: 1px solid var(--line);
      background: var(--card);
      gap: 5px;
      flex-shrink: 0;
    }

    .menu-toggle span {
      display: block;
      width: 20px;
      height: 2px;
      background: var(--text-2);
      border-radius: 1px;
      transition: var(--transition);
    }

    .menu-toggle:hover span {
      background: var(--accent);
    }

    /* 页面主区域 */
    main {
      display: block;
      padding-bottom: 48px;
    }

    .section {
      padding: 40px 0;
    }

    .section-alt {
      background: var(--bg-2);
      border-top: 1px solid var(--line);
      border-bottom: 1px solid var(--line);
    }

    /* 分类窄横幅头部 */
    .category-banner {
      background: var(--bg-2);
      border-bottom: 1px solid var(--line);
      padding: 32px 0 28px;
      margin-bottom: 0;
    }

    .banner-inner {
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      gap: 28px;
      flex-wrap: wrap;
    }

    .banner-text {
      flex: 1 1 540px;
    }

    .banner-text h1 {
      font-size: 32px;
      font-weight: 700;
      letter-spacing: -0.5px;
      margin: 0 0 10px;
      color: #fff;
    }

    .banner-text h1 .accent {
      color: var(--accent);
    }

    .banner-text p {
      color: var(--text-2);
      font-size: 15px;
      max-width: 640px;
      margin: 0 0 18px;
    }

    .banner-meta {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 10px;
    }

    .banner-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: rgba(255, 107, 53, 0.1);
      color: var(--accent);
      font-size: 12px;
      font-weight: 600;
      padding: 4px 12px;
      border-radius: 999px;
      border: 1px solid rgba(255, 107, 53, 0.25);
    }

    .banner-meta span {
      color: var(--muted);
      font-size: 13px;
    }

    .banner-stats {
      display: flex;
      gap: 20px;
      flex-shrink: 0;
    }

    .stat-item {
      background: var(--card);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      padding: 14px 20px;
      min-width: 110px;
      text-align: center;
    }

    .stat-item .num {
      font-size: 24px;
      font-weight: 700;
      color: var(--mint);
      letter-spacing: -0.5px;
    }

    .stat-item .label {
      font-size: 12px;
      color: var(--muted);
      margin-top: 2px;
    }

    /* 板块标题通用 */
    .section-head {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 16px;
      margin-bottom: 24px;
      flex-wrap: wrap;
    }

    .section-title {
      font-size: 26px;
      font-weight: 650;
      letter-spacing: -0.4px;
      margin: 0;
      color: #fff;
    }

    .section-title .accent {
      color: var(--accent);
    }

    .section-sub {
      font-size: 14px;
      color: var(--muted);
      margin: 4px 0 0;
    }

    .section-link {
      font-size: 14px;
      font-weight: 600;
      color: var(--accent);
      white-space: nowrap;
    }

    .section-link:hover {
      color: var(--accent-hover);
    }

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

    .card-grid-4 {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
    }

    .train-card {
      background: var(--card);
      border: 1px solid var(--line);
      border-radius: var(--radius-2x);
      overflow: hidden;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }

    .train-card:hover {
      transform: translateY(-2px);
      border-color: rgba(255, 107, 53, 0.45);
      box-shadow: var(--shadow);
    }

    .train-card .card-img {
      overflow: hidden;
      aspect-ratio: 16/9;
      background: #0c0e13;
    }

    .train-card .card-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }

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

    .train-card .card-body {
      padding: 16px 18px 18px;
      display: flex;
      flex-direction: column;
      gap: 8px;
      flex: 1;
    }

    .train-card .card-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
    }

    .train-card .tag {
      font-size: 11px;
      font-weight: 600;
      color: var(--mint);
      background: rgba(45, 212, 191, 0.1);
      padding: 2px 8px;
      border-radius: 4px;
      letter-spacing: 0.2px;
    }

    .train-card .tag.orange {
      color: var(--accent);
      background: rgba(255, 107, 53, 0.1);
    }

    .train-card h3 {
      font-size: 17px;
      font-weight: 650;
      margin: 0;
      color: #fff;
      line-height: 1.5;
      letter-spacing: -0.2px;
    }

    .train-card p {
      font-size: 13px;
      color: var(--text-2);
      margin: 0;
      line-height: 1.65;
    }

    .train-card .card-meta {
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 12px;
      color: var(--muted);
      margin-top: auto;
      padding-top: 8px;
      border-top: 1px solid var(--line);
    }

    /* 榜单样式 */
    .rank-list {
      background: var(--card);
      border: 1px solid var(--line);
      border-radius: var(--radius-2x);
      overflow: hidden;
    }

    .rank-item {
      display: flex;
      align-items: center;
      gap: 14px;
      padding: 14px 18px;
      border-bottom: 1px solid var(--line);
      transition: var(--transition);
    }

    .rank-item:last-child {
      border-bottom: none;
    }

    .rank-item:hover {
      background: rgba(255, 107, 53, 0.04);
    }

    .rank-num {
      font-size: 20px;
      font-weight: 700;
      color: var(--muted);
      width: 32px;
      text-align: center;
      flex-shrink: 0;
    }

    .rank-item:nth-child(1) .rank-num {
      color: var(--accent);
    }

    .rank-item:nth-child(2) .rank-num {
      color: var(--mint);
    }

    .rank-item:nth-child(3) .rank-num {
      color: #fbbf24;
    }

    .rank-body {
      flex: 1;
    }

    .rank-body h4 {
      font-size: 15px;
      font-weight: 600;
      margin: 0;
      color: var(--text);
    }

    .rank-body p {
      font-size: 12px;
      color: var(--muted);
      margin: 2px 0 0;
    }

    .rank-trend {
      font-size: 12px;
      color: var(--mint);
      font-weight: 600;
      white-space: nowrap;
    }

    /* 本周焦点 */
    .focus-card {
      background: var(--card);
      border: 1px solid var(--line);
      border-radius: var(--radius-2x);
      overflow: hidden;
      display: flex;
      flex-wrap: wrap;
      transition: var(--transition);
    }

    .focus-card:hover {
      border-color: rgba(255, 107, 53, 0.4);
      transform: translateY(-2px);
      box-shadow: var(--shadow);
    }

    .focus-img {
      flex: 1 1 300px;
      min-height: 220px;
      overflow: hidden;
    }

    .focus-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .focus-body {
      flex: 1 1 300px;
      padding: 24px 28px;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }

    .focus-body .tag {
      font-size: 12px;
      font-weight: 600;
      color: var(--mint);
      background: rgba(45, 212, 191, 0.1);
      padding: 2px 10px;
      border-radius: 4px;
      margin-bottom: 12px;
      align-self: flex-start;
    }

    .focus-body h3 {
      font-size: 22px;
      font-weight: 650;
      margin: 0 0 8px;
      color: #fff;
      letter-spacing: -0.3px;
    }

    .focus-body p {
      font-size: 14px;
      color: var(--text-2);
      margin: 0 0 12px;
      line-height: 1.7;
    }

    .focus-body .meta {
      font-size: 12px;
      color: var(--muted);
    }

    /* 编辑推荐列表 */
    .recommend-list {
      background: var(--card);
      border: 1px solid var(--line);
      border-radius: var(--radius-2x);
      padding: 6px 0;
    }

    .recommend-item {
      display: flex;
      align-items: center;
      gap: 14px;
      padding: 12px 18px;
      border-bottom: 1px solid var(--line);
      transition: var(--transition);
    }

    .recommend-item:last-child {
      border-bottom: none;
    }

    .recommend-item:hover {
      background: rgba(255, 255, 255, 0.03);
    }

    .recommend-item .icon {
      width: 32px;
      height: 32px;
      border-radius: 8px;
      background: rgba(255, 107, 53, 0.1);
      color: var(--accent);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      flex-shrink: 0;
    }

    .recommend-item .icon.green {
      background: rgba(45, 212, 191, 0.1);
      color: var(--mint);
    }

    .recommend-item .info {
      flex: 1;
    }

    .recommend-item .info h4 {
      font-size: 14px;
      font-weight: 600;
      margin: 0;
      color: var(--text);
    }

    .recommend-item .info p {
      font-size: 12px;
      color: var(--muted);
      margin: 1px 0 0;
    }

    .recommend-item .arrow {
      color: var(--muted);
      font-size: 14px;
    }

    /* 训练师团队 */
    .coach-card {
      background: var(--card);
      border: 1px solid var(--line);
      border-radius: var(--radius-2x);
      overflow: hidden;
      text-align: center;
      transition: var(--transition);
    }

    .coach-card:hover {
      transform: translateY(-2px);
      border-color: rgba(255, 107, 53, 0.4);
      box-shadow: var(--shadow);
    }

    .coach-avatar {
      width: 80px;
      height: 80px;
      border-radius: 50%;
      overflow: hidden;
      margin: 20px auto 10px;
      border: 2px solid var(--line);
    }

    .coach-avatar img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .coach-card h4 {
      font-size: 16px;
      font-weight: 600;
      margin: 0;
      color: #fff;
    }

    .coach-card .role {
      font-size: 12px;
      color: var(--mint);
      font-weight: 600;
      margin: 2px 0 6px;
    }

    .coach-card p {
      font-size: 12px;
      color: var(--muted);
      margin: 0;
      padding: 0 16px 18px;
      line-height: 1.6;
    }

    /* 小贴士 */
    .tips-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 18px;
    }

    .tip-card {
      background: var(--card);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      padding: 18px 20px;
      transition: var(--transition);
    }

    .tip-card:hover {
      border-color: rgba(255, 107, 53, 0.35);
    }

    .tip-card .tip-label {
      display: inline-flex;
      align-items: center;
      gap: 4px;
      font-size: 12px;
      font-weight: 600;
      color: var(--accent);
      background: rgba(255, 107, 53, 0.1);
      padding: 2px 10px;
      border-radius: 4px;
      margin-bottom: 10px;
    }

    .tip-card h4 {
      font-size: 15px;
      font-weight: 600;
      margin: 0 0 6px;
      color: var(--text);
    }

    .tip-card p {
      font-size: 13px;
      color: var(--text-2);
      margin: 0;
      line-height: 1.7;
    }

    /* 订阅 CTA */
    .cta-banner {
      background: var(--card);
      border: 1px solid var(--line);
      border-radius: var(--radius-2x);
      padding: 32px 28px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
      flex-wrap: wrap;
    }

    .cta-banner .cta-text h3 {
      font-size: 22px;
      font-weight: 650;
      margin: 0 0 6px;
      color: #fff;
    }

    .cta-banner .cta-text p {
      font-size: 14px;
      color: var(--text-2);
      margin: 0;
    }

    .cta-form {
      display: flex;
      gap: 10px;
      flex-wrap: wrap;
      flex-shrink: 0;
    }

    .cta-form input {
      background: var(--bg);
      border: 1px solid var(--line);
      border-radius: 8px;
      padding: 10px 14px;
      color: var(--text);
      font-size: 14px;
      width: 240px;
      outline: none;
      transition: var(--transition);
    }

    .cta-form input:focus {
      border-color: var(--accent);
      box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.15);
    }

    .cta-form input::placeholder {
      color: var(--muted);
    }

    /* 页脚 */
    .site-footer {
      background: var(--footer-bg);
      border-top: 1px solid var(--line);
      padding: 44px 0 24px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.2fr 1fr 1fr 1fr;
      gap: 36px;
      margin-bottom: 28px;
    }

    .footer-brand h4 {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 18px;
      font-weight: 700;
      margin: 0 0 10px;
      color: #fff;
    }

    .footer-brand h4 svg {
      width: 24px;
      height: 24px;
    }

    .footer-brand p {
      font-size: 13px;
      color: var(--muted);
      margin: 0;
      line-height: 1.7;
    }

    .footer-col h5 {
      font-size: 14px;
      font-weight: 600;
      color: var(--text);
      margin: 0 0 12px;
    }

    .footer-col a {
      display: block;
      font-size: 13px;
      color: var(--muted);
      margin-bottom: 8px;
      transition: var(--transition);
    }

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

    .footer-bottom {
      border-top: 1px solid var(--line);
      padding-top: 18px;
      display: flex;
      flex-direction: column;
      gap: 6px;
      font-size: 12px;
      color: var(--muted);
    }

    .footer-bottom .links {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
    }

    .footer-bottom .links a {
      color: var(--muted);
      font-size: 12px;
    }

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

    /* 响应式 */
    @media (max-width: 1024px) {
      .card-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .card-grid-4 {
        grid-template-columns: repeat(2, 1fr);
      }
      .tips-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .nav-links {
        gap: 0;
      }
      .nav-links a {
        padding: 8px 10px;
        font-size: 13px;
      }
      .nav-search input {
        width: 100px;
      }
    }

    @media (max-width: 768px) {
      .site-header {
        height: auto;
        min-height: 60px;
        padding: 10px 0;
      }
      .header-inner {
        flex-wrap: wrap;
        gap: 10px;
      }
      .nav-logo {
        font-size: 18px;
      }
      .nav-links {
        display: none;
        width: 100%;
        flex-direction: column;
        align-items: flex-start;
        padding: 10px 0 0;
        gap: 2px;
      }
      .nav-links.open {
        display: flex;
      }
      .nav-links a {
        width: 100%;
        padding: 10px 12px;
        font-size: 14px;
      }
      .nav-right {
        margin-left: auto;
      }
      .nav-search input {
        width: 80px;
      }
      .menu-toggle {
        display: flex;
      }
      .banner-inner {
        flex-direction: column;
      }
      .banner-stats {
        width: 100%;
        justify-content: flex-start;
      }
      .section {
        padding: 28px 0;
      }
      .section-title {
        font-size: 22px;
      }
      .card-grid {
        grid-template-columns: 1fr;
      }
      .card-grid-4 {
        grid-template-columns: 1fr 1fr;
      }
      .tips-grid {
        grid-template-columns: 1fr;
      }
      .focus-card {
        flex-direction: column;
      }
      .focus-img {
        min-height: 180px;
      }
      .cta-banner {
        flex-direction: column;
        align-items: flex-start;
      }
      .cta-form {
        width: 100%;
      }
      .cta-form input {
        flex: 1;
        width: auto;
      }
    }

    @media (max-width: 520px) {
      .card-grid-4 {
        grid-template-columns: 1fr;
      }
      .banner-text h1 {
        font-size: 26px;
      }
      .banner-stats {
        flex-wrap: wrap;
      }
      .stat-item {
        flex: 1;
        min-width: 80px;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .nav-search {
        display: none;
      }
      .nav-right .btn-ghost {
        display: none;
      }
    }

/* roulang page: category6 */
:root {
      --bg: #0F1115;
      --bg-2: #171A21;
      --card: #1C1F27;
      --accent: #FF6B35;
      --accent-hover: #E55A2B;
      --mint: #2DD4BF;
      --mint-2: #34D399;
      --footer-bg: #0A0B0E;
      --text: #E6E9EF;
      --text-2: #B7BDC9;
      --muted: #8A93A5;
      --line: rgba(255, 255, 255, 0.06);
      --shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
      --radius: 12px;
      --radius-2x: 14px;
      --max-w: 1160px;
      --nav-h: 68px;
      --transition: all 0.22s ease;
    }

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

    body {
      margin: 0;
      font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      background-color: var(--bg);
      color: var(--text);
      line-height: 1.75;
      font-size: 16px;
      min-height: 100vh;
    }

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

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

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

    button,
    input,
    select,
    textarea {
      font-family: inherit;
      font-size: inherit;
      line-height: inherit;
    }

    button {
      cursor: pointer;
      border: none;
      background: none;
      transition: var(--transition);
    }

    button:focus-visible,
    a:focus-visible,
    input:focus-visible,
    select:focus-visible,
    textarea:focus-visible {
      outline: 2px solid var(--accent);
      outline-offset: 2px;
      border-radius: 4px;
    }

    .container {
      max-width: var(--max-w);
      margin: 0 auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    /* 导航栏 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(15, 17, 21, 0.92);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--line);
      height: var(--nav-h);
      display: flex;
      align-items: center;
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      width: 100%;
      gap: 16px;
    }

    .nav-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-weight: 700;
      font-size: 20px;
      letter-spacing: -0.3px;
      color: #fff;
      flex-shrink: 0;
    }

    .nav-logo svg {
      width: 28px;
      height: 28px;
      flex-shrink: 0;
    }

    .nav-logo span {
      color: var(--accent);
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 4px;
      flex-wrap: nowrap;
    }

    .nav-links a {
      display: inline-flex;
      align-items: center;
      padding: 8px 14px;
      font-size: 14px;
      font-weight: 500;
      color: var(--text-2);
      border-radius: 8px;
      white-space: nowrap;
      letter-spacing: 0.2px;
      transition: var(--transition);
    }

    .nav-links a:hover {
      color: #fff;
      background: rgba(255, 255, 255, 0.05);
    }

    .nav-links a.active {
      color: var(--accent);
      background: rgba(255, 107, 53, 0.1);
    }

    .nav-right {
      display: flex;
      align-items: center;
      gap: 10px;
      flex-shrink: 0;
    }

    .nav-search {
      display: flex;
      align-items: center;
      background: var(--card);
      border: 1px solid var(--line);
      border-radius: 8px;
      padding: 0 10px;
      height: 38px;
      transition: var(--transition);
    }

    .nav-search:focus-within {
      border-color: var(--accent);
      box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.15);
    }

    .nav-search input {
      background: transparent;
      border: none;
      color: var(--text);
      font-size: 13px;
      width: 140px;
      padding: 0 8px;
      outline: none;
    }

    .nav-search input::placeholder {
      color: var(--muted);
    }

    .nav-search button {
      color: var(--muted);
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 4px;
      border-radius: 6px;
    }

    .nav-search button:hover {
      color: var(--accent);
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      font-weight: 600;
      font-size: 14px;
      padding: 9px 18px;
      border-radius: 8px;
      transition: var(--transition);
      letter-spacing: 0.2px;
      white-space: nowrap;
    }

    .btn-primary {
      background: var(--accent);
      color: #fff;
      border: 1px solid var(--accent);
    }

    .btn-primary:hover {
      background: var(--accent-hover);
      border-color: var(--accent-hover);
      color: #fff;
      transform: scale(1.03);
      box-shadow: 0 8px 22px rgba(255, 107, 53, 0.3);
    }

    .btn-secondary {
      background: transparent;
      color: var(--accent);
      border: 1px solid var(--accent);
    }

    .btn-secondary:hover {
      background: rgba(255, 107, 53, 0.1);
      border-color: var(--accent-hover);
      color: var(--accent-hover);
    }

    .btn-ghost {
      background: transparent;
      color: var(--text-2);
      border: 1px solid transparent;
      padding-left: 12px;
      padding-right: 12px;
    }

    .btn-ghost:hover {
      color: #fff;
      background: rgba(255, 255, 255, 0.05);
    }

    .menu-toggle {
      display: none;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      gap: 5px;
      width: 40px;
      height: 40px;
      border-radius: 8px;
      background: var(--card);
      border: 1px solid var(--line);
      transition: var(--transition);
    }

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

    .menu-toggle span {
      display: block;
      width: 20px;
      height: 2px;
      background: var(--text);
      border-radius: 2px;
      transition: var(--transition);
    }

    /* 分类横幅 */
    .category-hero {
      position: relative;
      background-image: url('/assets/images/724c4a77e250b92f.webp');
      background-size: cover;
      background-position: center;
      padding: 55px 0 60px;
      margin-bottom: 30px;
      border-bottom: 1px solid var(--line);
    }

    .category-hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(135deg, rgba(15, 17, 21, 0.95) 0%, rgba(15, 17, 21, 0.72) 55%, rgba(15, 17, 21, 0.38) 100%);
      z-index: 1;
    }

    .category-hero .container {
      position: relative;
      z-index: 2;
    }

    .breadcrumb {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      color: var(--muted);
      margin-bottom: 16px;
    }

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

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

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

    .category-hero h1 {
      font-size: 36px;
      line-height: 1.25;
      font-weight: 700;
      letter-spacing: -0.5px;
      color: #fff;
      margin: 0 0 10px;
    }

    .category-hero p {
      font-size: 16px;
      color: var(--text-2);
      max-width: 720px;
      margin: 0 0 18px;
    }

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

    .hero-meta .tag {
      background: rgba(255, 107, 53, 0.15);
      color: var(--accent);
      padding: 4px 12px;
      border-radius: 20px;
      font-size: 13px;
      border: 1px solid rgba(255, 107, 53, 0.25);
    }

    .hero-meta .tag-mint {
      background: rgba(45, 212, 191, 0.12);
      color: var(--mint-2);
      border-color: rgba(45, 212, 191, 0.2);
    }

    /* 通用板块 */
    .section {
      padding: 30px 0;
    }

    .section-head {
      display: flex;
      align-items: baseline;
      justify-content: space-between;
      margin-bottom: 22px;
      gap: 16px;
      flex-wrap: wrap;
    }

    .section-head h2 {
      font-size: 26px;
      line-height: 1.3;
      font-weight: 650;
      letter-spacing: -0.3px;
      color: #fff;
      margin: 0;
      position: relative;
      padding-left: 14px;
    }

    .section-head h2::before {
      content: "";
      position: absolute;
      left: 0;
      top: 50%;
      transform: translateY(-50%);
      width: 4px;
      height: 22px;
      border-radius: 4px;
      background: var(--accent);
    }

    .section-head .link-more {
      font-size: 14px;
      color: var(--text-2);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .section-head .link-more:hover {
      color: var(--accent);
    }

    .card-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .card {
      background: var(--card);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      overflow: hidden;
      transition: var(--transition);
      box-shadow: var(--shadow);
      display: flex;
      flex-direction: column;
    }

    .card:hover {
      transform: translateY(-2px);
      border-color: rgba(255, 107, 53, 0.6);
      box-shadow: 0 14px 36px rgba(0, 0, 0, 0.55);
    }

    .card-img {
      width: 100%;
      height: 160px;
      overflow: hidden;
      background: #0F1115;
    }

    .card-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.35s ease;
    }

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

    .card-body {
      padding: 16px 18px 18px;
      display: flex;
      flex-direction: column;
      gap: 10px;
      flex: 1;
    }

    .card-body h3 {
      font-size: 18px;
      font-weight: 600;
      line-height: 1.4;
      color: #fff;
      margin: 0;
    }

    .card-body p {
      font-size: 14px;
      color: var(--text-2);
      line-height: 1.65;
      margin: 0;
      flex: 1;
    }

    .card-meta {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 13px;
      color: var(--muted);
    }

    .badge {
      display: inline-flex;
      align-items: center;
      padding: 2px 8px;
      border-radius: 4px;
      font-size: 12px;
      font-weight: 500;
    }

    .badge-orange {
      background: rgba(255, 107, 53, 0.15);
      color: var(--accent);
    }

    .badge-mint {
      background: rgba(45, 212, 191, 0.15);
      color: var(--mint-2);
    }

    /* 一周焦点 */
    .focus-card {
      display: grid;
      grid-template-columns: 1.1fr 1fr;
      gap: 24px;
      background: var(--card);
      border: 1px solid var(--line);
      border-radius: var(--radius-2x);
      overflow: hidden;
      box-shadow: var(--shadow);
    }

    .focus-img {
      min-height: 260px;
      background: #0F1115;
    }

    .focus-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .focus-content {
      padding: 24px 28px;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .focus-content .tag {
      align-self: flex-start;
      background: rgba(255, 107, 53, 0.15);
      color: var(--accent);
      padding: 4px 12px;
      border-radius: 20px;
      font-size: 13px;
      border: 1px solid rgba(255, 107, 53, 0.25);
    }

    .focus-content h3 {
      font-size: 26px;
      font-weight: 650;
      letter-spacing: -0.3px;
      color: #fff;
      margin: 0;
      line-height: 1.35;
    }

    .focus-content p {
      font-size: 15px;
      color: var(--text-2);
      margin: 0;
      line-height: 1.7;
    }

    .focus-list {
      display: flex;
      flex-wrap: wrap;
      gap: 18px;
      margin-top: 6px;
      list-style: none;
      padding: 0;
      margin: 0;
    }

    .focus-list li {
      font-size: 14px;
      color: var(--text-2);
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .focus-list li::before {
      content: "→";
      color: var(--accent);
      font-weight: 600;
    }

    /* 步骤卡片 */
    .step-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .step-card {
      background: var(--card);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      padding: 22px;
      box-shadow: var(--shadow);
      transition: var(--transition);
    }

    .step-card:hover {
      border-color: rgba(255, 107, 53, 0.6);
      transform: translateY(-3px);
    }

    .step-num {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: var(--accent);
      color: #fff;
      font-weight: 700;
      font-size: 18px;
      margin-bottom: 14px;
    }

    .step-card h3 {
      font-size: 18px;
      font-weight: 600;
      color: #fff;
      margin: 0 0 8px;
    }

    .step-card p {
      font-size: 14px;
      color: var(--text-2);
      line-height: 1.65;
      margin: 0;
    }

    /* 讨论区 */
    .discuss-list {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .discuss-item {
      background: var(--card);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      padding: 20px;
      box-shadow: var(--shadow);
    }

    .discuss-item .user {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 12px;
    }

    .avatar {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: var(--bg-2);
      border: 1px solid var(--line);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--mint-2);
      font-weight: 600;
      font-size: 14px;
    }

    .user-info {
      font-size: 13px;
      color: var(--muted);
    }

    .user-info strong {
      display: block;
      font-size: 14px;
      color: var(--text);
      font-weight: 600;
    }

    .discuss-item p {
      font-size: 14px;
      color: var(--text-2);
      line-height: 1.65;
      margin: 0;
    }

    /* 贴士列表 */
    .tips-list {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 14px;
      list-style: none;
      padding: 0;
      margin: 0;
    }

    .tips-list li {
      background: rgba(28, 31, 39, 0.7);
      border: 1px solid var(--line);
      border-radius: 10px;
      padding: 14px 18px;
      font-size: 14px;
      color: var(--text-2);
      display: flex;
      align-items: flex-start;
      gap: 10px;
      transition: var(--transition);
    }

    .tips-list li:hover {
      border-color: rgba(45, 212, 191, 0.3);
      background: rgba(28, 31, 39, 0.9);
    }

    .tips-list li::before {
      content: "✦";
      color: var(--mint-2);
      font-weight: 700;
      font-size: 16px;
      line-height: 1.6;
    }

    /* 订阅 CTA */
    .cta-subscribe {
      background: linear-gradient(135deg, rgba(255, 107, 53, 0.12) 0%, rgba(45, 212, 191, 0.08) 50%, rgba(28, 31, 39, 0.75) 100%);
      border: 1px solid var(--line);
      border-radius: var(--radius-2x);
      padding: 30px 28px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
      box-shadow: var(--shadow);
    }

    .cta-subscribe .cta-text h3 {
      font-size: 24px;
      font-weight: 650;
      letter-spacing: -0.3px;
      color: #fff;
      margin: 0 0 6px;
    }

    .cta-subscribe .cta-text p {
      font-size: 15px;
      color: var(--text-2);
      margin: 0;
      max-width: 600px;
    }

    .subscribe-form {
      display: flex;
      gap: 10px;
      flex-wrap: wrap;
      align-items: center;
    }

    .subscribe-form input {
      background: var(--bg-2);
      border: 1px solid var(--line);
      border-radius: 8px;
      padding: 10px 16px;
      color: var(--text);
      font-size: 14px;
      min-width: 240px;
      outline: none;
      transition: var(--transition);
    }

    .subscribe-form input:focus {
      border-color: var(--accent);
      box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.15);
    }

    /* 近期更新 */
    .update-list {
      display: flex;
      flex-direction: column;
      gap: 12px;
      list-style: none;
      padding: 0;
      margin: 0;
    }

    .update-list li {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      background: rgba(28, 31, 39, 0.7);
      border: 1px solid var(--line);
      border-radius: 10px;
      padding: 16px 20px;
      transition: var(--transition);
    }

    .update-list li:hover {
      background: rgba(28, 31, 39, 0.95);
      border-color: rgba(255, 107, 53, 0.3);
    }

    .update-list .update-title {
      font-weight: 600;
      color: var(--text);
      font-size: 15px;
    }

    .update-list .update-date {
      font-size: 13px;
      color: var(--muted);
      white-space: nowrap;
    }

    /* 分类入口 */
    .category-entry {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      justify-content: center;
    }

    .cat-pill {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 10px 18px;
      background: var(--card);
      border: 1px solid var(--line);
      border-radius: 30px;
      font-size: 14px;
      font-weight: 500;
      color: var(--text-2);
      transition: var(--transition);
    }

    .cat-pill:hover {
      color: #fff;
      border-color: var(--accent);
      background: rgba(255, 107, 53, 0.1);
      transform: translateY(-1px);
    }

    /* 页脚 */
    .site-footer {
      background: var(--footer-bg);
      border-top: 1px solid var(--line);
      padding: 42px 0 24px;
      margin-top: 40px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 30px;
      margin-bottom: 28px;
    }

    .footer-brand h4 {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 18px;
      font-weight: 700;
      color: #fff;
      margin: 0 0 10px;
    }

    .footer-brand h4 svg {
      width: 24px;
      height: 24px;
    }

    .footer-brand p {
      font-size: 14px;
      color: var(--muted);
      line-height: 1.7;
      margin: 0;
      max-width: 300px;
    }

    .footer-col h5 {
      font-size: 15px;
      font-weight: 600;
      color: var(--text);
      margin: 0 0 14px;
    }

    .footer-col a {
      display: block;
      font-size: 14px;
      color: var(--muted);
      margin-bottom: 10px;
      transition: var(--transition);
    }

    .footer-col a:hover {
      color: var(--accent);
      transform: translateX(2px);
    }

    .footer-bottom {
      border-top: 1px solid var(--line);
      padding-top: 20px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      font-size: 13px;
      color: var(--muted);
    }

    .footer-bottom p {
      margin: 0;
    }

    .footer-bottom .links {
      display: flex;
      gap: 8px;
      align-items: center;
    }

    .footer-bottom .links a {
      color: var(--muted);
    }

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

    /* 响应式 */
    @media (max-width: 1024px) {
      .card-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .step-grid,
      .discuss-list {
        grid-template-columns: repeat(2, 1fr);
      }
      .focus-card {
        grid-template-columns: 1fr;
      }
      .focus-img {
        min-height: 220px;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .nav-links {
        display: none;
        position: absolute;
        top: var(--nav-h);
        left: 0;
        right: 0;
        background: rgba(15, 17, 21, 0.98);
        flex-direction: column;
        align-items: stretch;
        padding: 10px 20px 20px;
        border-bottom: 1px solid var(--line);
        gap: 4px;
      }
      .nav-links.open {
        display: flex;
      }
      .nav-links a {
        padding: 12px 14px;
        font-size: 15px;
      }
      .nav-search {
        display: none;
      }
      .nav-right .btn-ghost {
        display: none;
      }
      .menu-toggle {
        display: flex;
      }
      .category-hero {
        padding: 40px 0 44px;
      }
      .category-hero h1 {
        font-size: 28px;
      }
      .card-grid,
      .step-grid,
      .discuss-list,
      .tips-list {
        grid-template-columns: 1fr;
      }
      .section-head h2 {
        font-size: 22px;
      }
      .focus-content {
        padding: 20px 18px;
      }
      .focus-content h3 {
        font-size: 22px;
      }
      .cta-subscribe {
        flex-direction: column;
        align-items: flex-start;
      }
      .subscribe-form {
        width: 100%;
      }
      .subscribe-form input {
        flex: 1;
        min-width: 0;
      }
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 24px;
      }
      .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
      }
    }

    @media (max-width: 520px) {
      .container {
        padding-left: 16px;
        padding-right: 16px;
      }
      .category-hero h1 {
        font-size: 24px;
      }
      .hero-meta .tag {
        font-size: 12px;
        padding: 3px 10px;
      }
      .btn {
        padding: 8px 14px;
        font-size: 13px;
      }
    }