/* roulang page: index */
:root {
            --brand: #121212;
            --accent: #00E676;
            --orange: #FF6D00;
            --paper: #F5F5F0;
            --white: #FFFFFF;
            --ink: #1A1A1A;
            --muted: #5A5A5A;
            --faint: #8A8A8A;
            --line: #E5E5DE;
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-image: 14px;
            --radius-badge: 6px;
            --shadow-card: 0 1px 3px rgba(18, 18, 18, 0.06), 0 1px 2px rgba(18, 18, 18, 0.04);
            --shadow-hover: 0 12px 24px rgba(18, 18, 18, 0.10), 0 4px 8px rgba(18, 18, 18, 0.06);
            --sidebar-width: 260px;
            --transition: all 0.25s ease;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: 'Inter', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            background-color: var(--paper);
            color: var(--ink);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

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

        /* 左侧侧边导航 */
        .sidebar-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--brand);
            z-index: 1000;
            display: flex;
            flex-direction: column;
            box-shadow: 2px 0 12px rgba(0, 0, 0, 0.2);
            overflow-y: auto;
            overflow-x: hidden;
        }

        .sidebar-brand {
            padding: 32px 20px 24px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            flex-shrink: 0;
        }

        .sidebar-brand .brand-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: linear-gradient(135deg, #1a1a1a, #2d2d2d);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 12px;
            border: 1px solid rgba(0, 230, 118, 0.3);
        }

        .sidebar-brand .brand-name {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            line-height: 1.2;
        }

        .sidebar-brand .brand-name span {
            color: var(--accent);
        }

        .sidebar-nav-list {
            list-style: none;
            margin: 0;
            padding: 16px 12px;
            flex: 1;
            overflow-y: auto;
        }

        .sidebar-nav-list li {
            margin-bottom: 6px;
        }

        .sidebar-nav-list a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 11px 14px;
            border-radius: 10px;
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            font-weight: 500;
            letter-spacing: 0.02em;
            position: relative;
            border-left: 3px solid transparent;
            transition: var(--transition);
        }

        .sidebar-nav-list a:hover {
            color: var(--accent);
            background: rgba(255, 255, 255, 0.05);
            transform: translateX(4px);
            border-left-color: rgba(0, 230, 118, 0.4);
        }

        .sidebar-nav-list a.active {
            color: #fff;
            background: rgba(0, 230, 118, 0.1);
            border-left-color: var(--accent);
            font-weight: 600;
        }

        .sidebar-nav-list a .nav-num {
            font-size: 11px;
            color: var(--faint);
            font-weight: 500;
            min-width: 16px;
            text-align: center;
            transition: var(--transition);
        }

        .sidebar-nav-list a:hover .nav-num,
        .sidebar-nav-list a.active .nav-num {
            color: var(--accent);
        }

        .sidebar-bottom {
            padding: 20px 18px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            flex-shrink: 0;
        }

        .sidebar-bottom .social-row {
            display: flex;
            gap: 12px;
            margin-bottom: 14px;
        }

        .sidebar-bottom .social-row a {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.5);
            font-size: 14px;
            transition: var(--transition);
        }

        .sidebar-bottom .social-row a:hover {
            background: rgba(0, 230, 118, 0.15);
            color: var(--accent);
        }

        .sidebar-search {
            width: 100%;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 8px;
            padding: 8px 12px;
            color: #fff;
            font-size: 13px;
            transition: var(--transition);
        }

        .sidebar-search::placeholder {
            color: rgba(255, 255, 255, 0.35);
        }

        .sidebar-search:focus {
            border-color: var(--accent);
            background: rgba(255, 255, 255, 0.09);
            outline: none;
        }

        /* 主内容区 */
        .main-wrap {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        /* 移动端顶部导航 */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: var(--brand);
            z-index: 999;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
        }

        .mobile-header .mobile-brand {
            font-size: 18px;
            font-weight: 800;
            color: #fff;
        }

        .mobile-header .mobile-brand span {
            color: var(--accent);
        }

        .hamburger-btn {
            display: flex;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 8px;
            z-index: 1001;
        }

        .hamburger-btn .line {
            width: 24px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: var(--transition);
        }

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

        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 998;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .mobile-nav-overlay.open {
            opacity: 1;
        }

        .mobile-nav-panel {
            position: fixed;
            top: 0;
            right: 0;
            bottom: 0;
            width: 280px;
            max-width: 85vw;
            background: var(--brand);
            z-index: 999;
            transform: translateX(100%);
            transition: transform 0.3s ease;
            padding: 20px;
            overflow-y: auto;
            display: flex;
            flex-direction: column;
        }

        .mobile-nav-panel.open {
            transform: translateX(0);
        }

        .mobile-nav-panel .mobile-nav-list {
            list-style: none;
            padding: 0;
            margin: 0;
            flex: 1;
        }

        .mobile-nav-panel .mobile-nav-list li {
            margin-bottom: 4px;
        }

        .mobile-nav-panel .mobile-nav-list a {
            display: block;
            padding: 14px 16px;
            color: rgba(255, 255, 255, 0.75);
            font-size: 15px;
            font-weight: 500;
            border-radius: 10px;
            border-left: 3px solid transparent;
            transition: var(--transition);
        }

        .mobile-nav-panel .mobile-nav-list a:hover {
            color: var(--accent);
            background: rgba(255, 255, 255, 0.05);
            transform: translateX(4px);
            border-left-color: var(--accent);
        }

        .mobile-nav-panel .mobile-nav-list a.active {
            color: #fff;
            background: rgba(0, 230, 118, 0.1);
            border-left-color: var(--accent);
            font-weight: 600;
        }

        .mobile-nav-close {
            align-self: flex-end;
            font-size: 24px;
            color: rgba(255, 255, 255, 0.6);
            padding: 4px 8px;
            border-radius: 6px;
        }

        .mobile-nav-close:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.1);
        }

        /* Hero */
        .hero-section {
            position: relative;
            min-height: 70vh;
            display: flex;
            align-items: center;
            background: var(--brand);
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            color: #fff;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(18, 18, 18, 0.92) 0%, rgba(18, 18, 18, 0.65) 40%, rgba(18, 18, 18, 0.5) 100%);
            z-index: 1;
        }

        .hero-section .hero-inner {
            position: relative;
            z-index: 2;
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 48px 40px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 40px;
        }

        .hero-text {
            flex: 1 1 55%;
            min-width: 300px;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(0, 230, 118, 0.15);
            border: 1px solid rgba(0, 230, 118, 0.3);
            color: var(--accent);
            font-size: 12px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 20px;
            letter-spacing: 0.08em;
            margin-bottom: 20px;
        }

        .hero-title {
            font-size: 44px;
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: -0.02em;
            margin: 0 0 20px;
        }

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

        .hero-subtitle {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.8;
            margin: 0 0 28px;
            max-width: 520px;
        }

        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: var(--brand);
            font-weight: 600;
            font-size: 15px;
            padding: 13px 26px;
            border-radius: var(--radius-btn);
            transition: var(--transition);
            border: 2px solid var(--accent);
        }

        .btn-primary:hover {
            background: #00C853;
            border-color: #00C853;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(0, 230, 118, 0.3);
        }

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

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 13px 26px;
            border-radius: var(--radius-btn);
            border: 2px solid rgba(255, 255, 255, 0.4);
            transition: var(--transition);
        }

        .btn-secondary:hover {
            background: #fff;
            color: var(--brand);
            border-color: #fff;
            transform: translateY(-2px);
        }

        .btn-orange {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--orange);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 13px 26px;
            border-radius: var(--radius-btn);
            transition: var(--transition);
            border: 2px solid var(--orange);
        }

        .btn-orange:hover {
            background: #E65100;
            border-color: #E65100;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(255, 109, 0, 0.3);
        }

        .hero-card {
            flex: 1 1 38%;
            min-width: 280px;
            background: rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            color: #fff;
        }

        .hero-card .hc-label {
            font-size: 11px;
            text-transform: uppercase;
            letter-spacing: 0.1em;
            color: rgba(255, 255, 255, 0.5);
            margin-bottom: 10px;
            font-weight: 600;
        }

        .hero-card .hc-match {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 16px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .hero-card .hc-team {
            font-size: 18px;
            font-weight: 700;
            text-align: center;
            flex: 1;
        }

        .hero-card .hc-vs {
            font-size: 14px;
            color: var(--accent);
            font-weight: 700;
        }

        .hero-card .hc-meta {
            display: flex;
            justify-content: space-between;
            margin-top: 16px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
        }

        .hero-card .hc-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* 通用板块 */
        .section-block {
            padding: 72px 0 48px;
        }

        .section-block.compact {
            padding: 48px 0 32px;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 32px;
        }

        .section-heading {
            margin-bottom: 32px;
        }

        .section-heading h2 {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: -0.01em;
            margin: 0 0 8px;
            color: var(--ink);
        }

        .section-heading p {
            font-size: 15px;
            color: var(--muted);
            max-width: 620px;
            line-height: 1.7;
            margin: 0;
        }

        /* 指标看板 */
        .metrics-board {
            background: var(--brand);
            border-radius: var(--radius-card);
            padding: 32px 28px;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: 24px;
            position: relative;
            overflow: hidden;
        }

        .metrics-board::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 200px;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(0, 230, 118, 0.05));
            pointer-events: none;
        }

        .metric-item {
            text-align: center;
        }

        .metric-item .metric-number {
            font-size: 40px;
            font-weight: 800;
            color: var(--accent);
            letter-spacing: -0.02em;
            line-height: 1.1;
        }

        .metric-item .metric-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 6px;
            font-weight: 500;
        }

        /* 图片占位 */
        .image-placeholder {
            width: 100%;
            border-radius: var(--radius-image);
            background: linear-gradient(135deg, #e8e8e2, #d9d9d0);
            aspect-ratio: 16/9;
            overflow: hidden;
            position: relative;
        }

        .image-placeholder img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

        .image-placeholder:hover img {
            transform: scale(1.03);
        }

        /* 服务矩阵卡片 */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 24px;
        }

        .service-card {
            background: var(--white);
            border-radius: var(--radius-card);
            border: 1px solid var(--line);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

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

        .service-card .sc-image {
            border-radius: var(--radius-image);
            overflow: hidden;
            margin-bottom: 18px;
            aspect-ratio: 16/9;
            background: var(--paper);
        }

        .service-card .sc-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .service-card h3 {
            font-size: 18px;
            font-weight: 600;
            margin: 0 0 8px;
            color: var(--ink);
            line-height: 1.35;
        }

        .service-card .sc-desc {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
            margin: 0 0 16px;
            flex: 1;
        }

        .service-card .sc-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--ink);
            font-size: 14px;
            font-weight: 600;
            transition: var(--transition);
        }

        .service-card .sc-link:hover {
            color: var(--accent);
            gap: 10px;
        }

        /* 热门专题 */
        .topic-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .topic-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--white);
            border: 1px solid var(--line);
            border-radius: 20px;
            padding: 8px 16px;
            font-size: 13px;
            font-weight: 500;
            color: var(--ink);
            transition: var(--transition);
            cursor: pointer;
        }

        .topic-tag:hover {
            border-color: var(--accent);
            background: rgba(0, 230, 118, 0.08);
            color: var(--ink);
            transform: translateY(-1px);
        }

        .topic-tag .tag-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
        }

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

        .comparison-col {
            background: var(--white);
            border-radius: var(--radius-card);
            border: 1px solid var(--line);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
        }

        .comparison-col.old {
            border-top: 4px solid #D32F2F;
        }

        .comparison-col.new {
            border-top: 4px solid var(--accent);
        }

        .comparison-col h3 {
            font-size: 17px;
            font-weight: 700;
            margin: 0 0 16px;
        }

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

        .comparison-col ul li {
            padding: 10px 0;
            font-size: 14px;
            color: var(--muted);
            display: flex;
            align-items: flex-start;
            gap: 10px;
            border-bottom: 1px solid var(--line);
        }

        .comparison-col ul li:last-child {
            border-bottom: none;
        }

        .comparison-col .icon-check {
            color: var(--accent);
            font-weight: 700;
        }
        .comparison-col .icon-x {
            color: #D32F2F;
            font-weight: 700;
        }

        /* 深度内容区 */
        .deep-content {
            display: flex;
            gap: 32px;
            align-items: flex-start;
            flex-wrap: wrap;
        }

        .deep-content .dc-text {
            flex: 1 1 55%;
            min-width: 300px;
        }

        .deep-content .dc-text h3 {
            font-size: 22px;
            font-weight: 700;
            margin: 0 0 16px;
            color: var(--ink);
            line-height: 1.3;
        }

        .deep-content .dc-text p {
            font-size: 15px;
            color: var(--muted);
            line-height: 1.8;
            margin: 0 0 16px;
        }

        .deep-content .dc-image {
            flex: 1 1 38%;
            min-width: 280px;
            border-radius: var(--radius-image);
            overflow: hidden;
            aspect-ratio: 4/3;
            background: var(--paper);
        }

        .deep-content .dc-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

        .deep-content .dc-image:hover img {
            transform: scale(1.02);
        }

        /* 品牌介绍 */
        .brand-intro {
            background: var(--white);
            border-radius: var(--radius-card);
            border: 1px solid var(--line);
            padding: 32px 28px;
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
            align-items: center;
            box-shadow: var(--shadow-card);
        }

        .brand-intro .bi-text {
            flex: 1 1 60%;
            min-width: 280px;
        }

        .brand-intro .bi-text h3 {
            font-size: 20px;
            font-weight: 700;
            margin: 0 0 12px;
            color: var(--ink);
        }

        .brand-intro .bi-text p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.8;
            margin: 0;
        }

        .brand-intro .bi-image {
            flex: 1 1 32%;
            min-width: 220px;
            border-radius: var(--radius-image);
            overflow: hidden;
            aspect-ratio: 4/3;
            background: var(--paper);
        }

        .brand-intro .bi-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* 片单分区 */
        .collection-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
        }

        .collection-card {
            background: var(--white);
            border-radius: var(--radius-card);
            border: 1px solid var(--line);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            cursor: pointer;
        }

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

        .collection-card .cc-image {
            aspect-ratio: 16/9;
            overflow: hidden;
            background: var(--paper);
        }

        .collection-card .cc-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

        .collection-card:hover .cc-image img {
            transform: scale(1.05);
        }

        .collection-card .cc-body {
            padding: 16px 18px;
        }

        .collection-card .cc-body h4 {
            font-size: 15px;
            font-weight: 600;
            margin: 0 0 6px;
            color: var(--ink);
        }

        .collection-card .cc-body p {
            font-size: 13px;
            color: var(--faint);
            margin: 0;
            line-height: 1.5;
        }

        /* 新闻中心 */
        .news-layout {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
        }

        .news-main {
            flex: 1 1 60%;
            min-width: 300px;
        }

        .news-item {
            background: var(--white);
            border-radius: var(--radius-card);
            border: 1px solid var(--line);
            padding: 22px 20px;
            margin-bottom: 16px;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            cursor: pointer;
        }

        .news-item:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--accent);
            transform: translateX(4px);
        }

        .news-item .news-date {
            font-size: 12px;
            color: var(--faint);
            font-weight: 500;
            letter-spacing: 0.05em;
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .news-item .news-date::before {
            content: '';
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
        }

        .news-item h4 {
            font-size: 16px;
            font-weight: 600;
            margin: 0 0 8px;
            color: var(--ink);
            line-height: 1.4;
            transition: var(--transition);
        }

        .news-item:hover h4 {
            color: var(--accent);
        }

        .news-item p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.6;
            margin: 0 0 10px;
        }

        .news-item .read-more {
            font-size: 13px;
            font-weight: 600;
            color: var(--ink);
            transition: var(--transition);
        }

        .news-item .read-more:hover {
            color: var(--accent);
        }

        .news-sidebar {
            flex: 1 1 30%;
            min-width: 250px;
            background: var(--white);
            border-radius: var(--radius-card);
            border: 1px solid var(--line);
            padding: 24px 20px;
            box-shadow: var(--shadow-card);
            align-self: flex-start;
            position: sticky;
            top: 32px;
        }

        .news-sidebar h4 {
            font-size: 16px;
            font-weight: 700;
            margin: 0 0 16px;
            color: var(--ink);
        }

        .news-sidebar .side-link {
            display: block;
            padding: 10px 0;
            font-size: 14px;
            color: var(--muted);
            border-bottom: 1px solid var(--line);
            transition: var(--transition);
        }

        .news-sidebar .side-link:hover {
            color: var(--accent);
            padding-left: 6px;
        }

        .news-sidebar .side-link:last-child {
            border-bottom: none;
        }

        /* 嘉宾亮点 */
        .guest-scroll {
            display: flex;
            gap: 18px;
            overflow-x: auto;
            padding-bottom: 12px;
            scrollbar-width: thin;
            scrollbar-color: #ccc transparent;
            -webkit-overflow-scrolling: touch;
            scroll-snap-type: x mandatory;
        }

        .guest-scroll::-webkit-scrollbar {
            height: 4px;
        }
        .guest-scroll::-webkit-scrollbar-thumb {
            background: #ccc;
            border-radius: 4px;
        }
        .guest-scroll::-webkit-scrollbar-track {
            background: transparent;
        }

        .guest-card {
            flex: 0 0 240px;
            background: var(--white);
            border-radius: var(--radius-card);
            border: 1px solid var(--line);
            padding: 20px;
            box-shadow: var(--shadow-card);
            scroll-snap-align: start;
            transition: var(--transition);
        }

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

        .guest-card .gc-avatar {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, #1a1a1a, #3d3d3d);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 14px;
            border: 2px solid rgba(0, 230, 118, 0.3);
        }

        .guest-card h5 {
            font-size: 15px;
            font-weight: 600;
            margin: 0 0 6px;
            color: var(--ink);
        }

        .guest-card .gc-role {
            font-size: 12px;
            color: var(--accent);
            font-weight: 500;
            margin-bottom: 8px;
        }

        .guest-card p {
            font-size: 13px;
            color: var(--muted);
            line-height: 1.6;
            margin: 0;
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--white);
            border-radius: 12px;
            border: 1px solid var(--line);
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: #d0d0c8;
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 20px;
            cursor: pointer;
            user-select: none;
            transition: var(--transition);
            font-size: 15px;
            font-weight: 600;
            color: var(--ink);
            background: none;
            width: 100%;
            text-align: left;
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--paper);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
            color: var(--ink);
            transition: var(--transition);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.3s ease;
            padding: 0 20px;
            color: var(--muted);
            font-size: 14px;
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-bottom: 18px;
        }

        /* 表单 */
        .form-section {
            background: var(--brand);
            border-radius: var(--radius-card);
            padding: 40px 32px;
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .form-section::before {
            content: '';
            position: absolute;
            top: -50px;
            right: -50px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(0, 230, 118, 0.06);
            pointer-events: none;
        }

        .form-left {
            flex: 1 1 35%;
            min-width: 240px;
            position: relative;
            z-index: 1;
        }

        .form-left h3 {
            font-size: 22px;
            font-weight: 700;
            margin: 0 0 10px;
            color: #fff;
        }

        .form-left p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.7;
            margin: 0;
            max-width: 300px;
        }

        .form-right {
            flex: 1 1 55%;
            min-width: 280px;
            position: relative;
            z-index: 1;
        }

        .form-group {
            margin-bottom: 14px;
        }

        .form-group label {
            display: block;
            font-size: 12px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 6px;
            letter-spacing: 0.03em;
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 10px;
            padding: 12px 16px;
            font-size: 14px;
            color: #fff;
            transition: var(--transition);
            font-family: inherit;
        }

        .form-group input::placeholder,
        .form-group textarea::placeholder {
            color: rgba(255, 255, 255, 0.35);
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            border-color: var(--accent);
            background: rgba(255, 255, 255, 0.12);
            outline: none;
            box-shadow: 0 0 0 3px rgba(0, 230, 118, 0.15);
        }

        .form-group select {
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23ffffff99' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 16px center;
        }

        .form-group select option {
            background: var(--brand);
            color: #fff;
        }

        .form-submit {
            width: 100%;
            margin-top: 8px;
        }

        /* 页脚 */
        .site-footer {
            background: var(--brand);
            color: rgba(255, 255, 255, 0.65);
            padding: 56px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.2fr 1.5fr;
            gap: 32px;
            padding: 0 0 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 14px;
            letter-spacing: 0.04em;
        }

        .footer-col p {
            font-size: 13px;
            line-height: 1.7;
            margin: 0 0 12px;
            max-width: 280px;
        }

        .footer-col .footer-brand {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
        }

        .footer-col .footer-brand span {
            color: var(--accent);
        }

        .footer-col a {
            display: block;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            padding: 5px 0;
            transition: var(--transition);
        }

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

        .footer-bottom {
            padding: 20px 0;
            font-size: 12px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            justify-content: space-between;
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-bottom .beian {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 12px;
        }

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

        /* 浮动转化条 */
        .floating-cta {
            position: fixed;
            bottom: 0;
            left: var(--sidebar-width);
            right: 0;
            background: var(--brand);
            border-top: 2px solid var(--accent);
            z-index: 900;
            padding: 12px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            box-shadow: 0 -8px 24px rgba(0, 0, 0, 0.2);
            transform: translateY(100%);
            transition: transform 0.4s ease;
        }

        .floating-cta.visible {
            transform: translateY(0);
        }

        .floating-cta .fc-text {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
        }

        .floating-cta .fc-text strong {
            color: var(--accent);
            font-weight: 600;
        }

        .floating-cta .fc-btn {
            flex-shrink: 0;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .sidebar-nav {
                display: none;
            }
            .main-wrap {
                margin-left: 0;
                padding-top: 60px;
            }
            .mobile-header {
                display: flex;
            }
            .mobile-nav-overlay {
                display: block;
                pointer-events: none;
            }
            .mobile-nav-overlay.open {
                pointer-events: auto;
            }
            .mobile-nav-panel {
                display: flex;
            }
            .floating-cta {
                left: 0;
            }
            .hero-section {
                min-height: 55vh;
            }
            .hero-title {
                font-size: 32px;
            }
            .section-block {
                padding: 56px 0 36px;
            }
            .container-custom {
                padding: 0 20px;
            }
            .comparison-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            .hero-title {
                font-size: 26px;
            }
            .hero-subtitle {
                font-size: 15px;
            }
            .hero-inner {
                padding: 32px 16px;
                gap: 24px;
            }
            .metrics-board {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
                padding: 24px 18px;
            }
            .metric-item .metric-number {
                font-size: 28px;
            }
            .section-heading h2 {
                font-size: 22px;
            }
            .deep-content {
                flex-direction: column;
            }
            .brand-intro {
                flex-direction: column;
                padding: 24px 18px;
            }
            .news-layout {
                flex-direction: column;
            }
            .news-sidebar {
                position: static;
            }
            .form-section {
                padding: 28px 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .floating-cta {
                padding: 10px 16px;
                flex-direction: column;
                text-align: center;
            }
            .floating-cta .fc-btn {
                width: 100%;
            }
            .floating-cta .fc-btn .btn-primary {
                width: 100%;
                justify-content: center;
            }
            .container-custom {
                padding: 0 16px;
            }
            .btn-primary,
            .btn-secondary,
            .btn-orange {
                padding: 11px 20px;
                font-size: 14px;
                justify-content: center;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 22px;
            }
            .hero-badge {
                font-size: 11px;
                padding: 4px 10px;
            }
            .hero-cta-group {
                flex-direction: column;
                width: 100%;
            }
            .hero-cta-group .btn-primary,
            .hero-cta-group .btn-secondary,
            .hero-cta-group .btn-orange {
                width: 100%;
                justify-content: center;
            }
            .metric-item .metric-number {
                font-size: 24px;
            }
            .section-block {
                padding: 40px 0 24px;
            }
            .service-grid {
                grid-template-columns: 1fr;
            }
            .collection-grid {
                grid-template-columns: 1fr;
            }
            .guest-card {
                flex: 0 0 200px;
            }
            .faq-question {
                font-size: 14px;
                padding: 14px 16px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
        }

/* roulang page: category2 */
:root {
            --brand: #121212;
            --accent: #00E676;
            --orange: #FF6D00;
            --paper: #F5F5F0;
            --white: #FFFFFF;
            --ink: #1A1A1A;
            --muted: #5A5A5A;
            --faint: #8A8A8A;
            --line: #E5E5DE;
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-image: 14px;
            --radius-badge: 6px;
            --shadow-card: 0 1px 3px rgba(18, 18, 18, 0.06), 0 1px 2px rgba(18, 18, 18, 0.04);
            --shadow-hover: 0 12px 24px rgba(18, 18, 18, 0.10), 0 4px 8px rgba(18, 18, 18, 0.06);
            --sidebar-width: 260px;
            --transition: all 0.25s ease;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: 'Inter', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            background-color: var(--paper);
            color: var(--ink);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

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

        .sidebar-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--brand);
            z-index: 1000;
            display: flex;
            flex-direction: column;
            box-shadow: 2px 0 12px rgba(0, 0, 0, 0.2);
            overflow-y: auto;
            overflow-x: hidden;
        }

        .sidebar-brand {
            padding: 32px 20px 24px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            flex-shrink: 0;
        }

        .sidebar-brand .brand-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: linear-gradient(135deg, #1a1a1a, #2d2d2d);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 12px;
            border: 1px solid rgba(0, 230, 118, 0.3);
            font-size: 20px;
            color: var(--accent);
            font-weight: 700;
        }

        .sidebar-brand .brand-name {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            line-height: 1.2;
        }

        .sidebar-brand .brand-name span {
            color: var(--accent);
        }

        .sidebar-nav-list {
            list-style: none;
            margin: 0;
            padding: 16px 12px;
            flex: 1;
            overflow-y: auto;
        }

        .sidebar-nav-list li {
            margin-bottom: 6px;
        }

        .sidebar-nav-list a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 11px 14px;
            border-radius: 10px;
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            font-weight: 500;
            letter-spacing: 0.02em;
            position: relative;
            border-left: 3px solid transparent;
            transition: var(--transition);
        }

        .sidebar-nav-list a:hover {
            color: var(--accent);
            background: rgba(255, 255, 255, 0.05);
            transform: translateX(4px);
            border-left-color: rgba(0, 230, 118, 0.4);
        }

        .sidebar-nav-list a.active {
            color: #fff;
            background: rgba(0, 230, 118, 0.1);
            border-left-color: var(--accent);
            font-weight: 600;
        }

        .sidebar-nav-list a .nav-num {
            font-size: 11px;
            color: var(--faint);
            font-weight: 500;
            min-width: 16px;
            text-align: center;
            transition: var(--transition);
        }

        .sidebar-nav-list a:hover .nav-num,
        .sidebar-nav-list a.active .nav-num {
            color: var(--accent);
        }

        .sidebar-bottom {
            padding: 16px 20px 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            flex-shrink: 0;
        }

        .sidebar-bottom .social-row {
            display: flex;
            gap: 12px;
            margin-bottom: 14px;
        }

        .sidebar-bottom .social-row a {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.5);
            font-size: 14px;
            transition: var(--transition);
        }

        .sidebar-bottom .social-row a:hover {
            background: rgba(0, 230, 118, 0.15);
            color: var(--accent);
        }

        .sidebar-search {
            width: 100%;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 8px;
            padding: 8px 12px;
            color: #fff;
            font-size: 13px;
            transition: var(--transition);
        }

        .sidebar-search::placeholder {
            color: rgba(255, 255, 255, 0.35);
        }

        .sidebar-search:focus {
            border-color: var(--accent);
            background: rgba(255, 255, 255, 0.09);
            outline: none;
        }

        .main-wrap {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: var(--brand);
            z-index: 999;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
        }

        .mobile-brand {
            font-size: 18px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
        }

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

        .hamburger-btn {
            display: flex;
            flex-direction: column;
            gap: 4px;
            padding: 8px;
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.06);
            transition: var(--transition);
        }

        .hamburger-btn:hover {
            background: rgba(0, 230, 118, 0.15);
        }

        .hamburger-btn .line {
            display: block;
            width: 22px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: var(--transition);
        }

        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: 60px;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 998;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .mobile-nav-overlay.open {
            opacity: 1;
        }

        .mobile-nav-panel {
            position: fixed;
            top: 60px;
            left: 0;
            right: 0;
            background: var(--brand);
            z-index: 997;
            transform: translateY(-100%);
            transition: transform 0.3s ease;
            max-height: calc(100vh - 60px);
            overflow-y: auto;
            padding: 12px 16px 24px;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
        }

        .mobile-nav-panel.open {
            transform: translateY(0);
        }

        .mobile-nav-panel a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 13px 14px;
            border-radius: 10px;
            color: rgba(255, 255, 255, 0.7);
            font-size: 15px;
            font-weight: 500;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: var(--transition);
        }

        .mobile-nav-panel a:hover {
            color: var(--accent);
            background: rgba(255, 255, 255, 0.04);
        }

        .mobile-nav-panel a.active {
            color: #fff;
            background: rgba(0, 230, 118, 0.1);
            font-weight: 600;
            border-left: 3px solid var(--accent);
        }

        .mobile-nav-panel a .nav-num {
            font-size: 12px;
            color: var(--faint);
            min-width: 20px;
            text-align: center;
        }

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

        .breadcrumb-bar {
            padding: 24px 0 0;
            font-size: 13px;
            color: var(--faint);
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

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

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

        .breadcrumb-bar .sep {
            color: var(--faint);
            font-size: 11px;
        }

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

        .section-spacing {
            padding: 56px 0;
        }

        .section-spacing-sm {
            padding: 40px 0;
        }

        .badge-tag {
            display: inline-block;
            padding: 4px 10px;
            font-size: 12px;
            font-weight: 500;
            border-radius: var(--radius-badge);
            background: rgba(0, 230, 118, 0.1);
            color: #00A855;
            line-height: 1.4;
            letter-spacing: 0.03em;
        }

        .badge-orange {
            background: rgba(255, 109, 0, 0.1);
            color: #E65100;
        }

        .badge-dark {
            background: rgba(18, 18, 18, 0.8);
            color: #fff;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--accent);
            color: var(--brand);
            font-weight: 600;
            font-size: 15px;
            padding: 13px 28px;
            border-radius: var(--radius-btn);
            transition: var(--transition);
            letter-spacing: 0.02em;
        }

        .btn-primary:hover {
            background: #00C853;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(0, 230, 118, 0.3);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--brand);
            font-weight: 600;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            border: 1px solid var(--brand);
            transition: var(--transition);
            letter-spacing: 0.02em;
        }

        .btn-secondary:hover {
            background: var(--brand);
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-orange {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--orange);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 13px 28px;
            border-radius: var(--radius-btn);
            transition: var(--transition);
            letter-spacing: 0.02em;
        }

        .btn-orange:hover {
            background: #E65100;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(255, 109, 0, 0.3);
        }

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

        .card-base:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--accent);
            transform: translateY(-4px);
        }

        .hero-category {
            background: var(--brand);
            border-radius: 20px;
            padding: 48px 40px;
            position: relative;
            overflow: hidden;
            color: #fff;
            min-height: 380px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .hero-category::after {
            content: '';
            position: absolute;
            top: -80px;
            right: -60px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(0, 230, 118, 0.08);
            pointer-events: none;
        }

        .hero-category::before {
            content: '';
            position: absolute;
            bottom: -60px;
            left: 30%;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: rgba(255, 109, 0, 0.06);
            pointer-events: none;
        }

        .hero-category .hero-bg-img {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
            pointer-events: none;
            border-radius: 20px;
        }

        .hero-category .hero-content {
            position: relative;
            z-index: 2;
            max-width: 650px;
        }

        .hero-category h1 {
            font-size: 36px;
            font-weight: 700;
            letter-spacing: -0.02em;
            line-height: 1.2;
            margin: 0 0 16px;
        }

        .hero-category h1 .highlight {
            color: var(--accent);
        }

        .hero-category p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.75;
            margin: 0 0 28px;
            max-width: 540px;
        }

        .hero-category .hero-actions {
            position: relative;
            z-index: 2;
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .stats-strip {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
            margin-top: -32px;
            position: relative;
            z-index: 3;
        }

        .stat-item {
            background: var(--white);
            border-radius: 14px;
            padding: 20px 18px;
            text-align: center;
            border: 1px solid var(--line);
            box-shadow: var(--shadow-card);
            transition: var(--transition);
        }

        .stat-item:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--accent);
            transform: translateY(-4px);
        }

        .stat-item .stat-number {
            font-size: 32px;
            font-weight: 800;
            color: var(--brand);
            letter-spacing: -0.03em;
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .stat-item .stat-number .stat-unit {
            font-size: 14px;
            font-weight: 600;
            color: var(--muted);
            letter-spacing: 0;
        }

        .stat-item .stat-label {
            font-size: 13px;
            color: var(--muted);
            font-weight: 500;
            letter-spacing: 0.03em;
        }

        .stat-item .stat-accent {
            color: var(--accent);
        }

        .stat-item .stat-orange {
            color: var(--orange);
        }

        .content-block {
            background: var(--white);
            border: 1px solid var(--line);
            border-radius: var(--radius-card);
            padding: 40px 36px;
            box-shadow: var(--shadow-card);
        }

        .content-block h2 {
            font-size: 26px;
            font-weight: 700;
            letter-spacing: -0.02em;
            line-height: 1.3;
            margin: 0 0 20px;
            color: var(--ink);
        }

        .content-block h2 .accent-line {
            color: var(--accent);
        }

        .content-block p {
            font-size: 15px;
            color: var(--muted);
            line-height: 1.8;
            margin: 0 0 18px;
        }

        .content-block p:last-child {
            margin-bottom: 0;
        }

        .content-block .inline-img {
            border-radius: var(--radius-image);
            overflow: hidden;
            margin: 20px 0;
            border: 1px solid var(--line);
        }

        .content-block .inline-img img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }

        .comparison-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .comparison-card {
            background: var(--white);
            border: 1px solid var(--line);
            border-radius: var(--radius-card);
            padding: 28px;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
        }

        .comparison-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--accent);
        }

        .comparison-card.recommended {
            border-color: var(--accent);
            border-width: 2px;
            position: relative;
            background: linear-gradient(180deg, rgba(0, 230, 118, 0.04) 0%, #fff 30%);
        }

        .comparison-card.recommended::before {
            content: '推荐';
            position: absolute;
            top: -12px;
            right: 20px;
            background: var(--accent);
            color: var(--brand);
            font-size: 12px;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: 20px;
            letter-spacing: 0.05em;
        }

        .comparison-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin: 0 0 14px;
            color: var(--ink);
        }

        .comparison-card ul {
            list-style: none;
            margin: 0 0 20px;
            padding: 0;
        }

        .comparison-card ul li {
            padding: 8px 0;
            font-size: 14px;
            color: var(--muted);
            display: flex;
            align-items: flex-start;
            gap: 10px;
            border-bottom: 1px solid var(--line);
        }

        .comparison-card ul li:last-child {
            border-bottom: none;
        }

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

        .comparison-card ul li .icon-x {
            color: var(--orange);
            font-weight: 700;
            flex-shrink: 0;
        }

        .comparison-card ul li .icon-arrow {
            color: var(--accent);
            font-weight: 700;
            flex-shrink: 0;
        }

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

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

        .list-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--accent);
            transform: translateY(-4px);
        }

        .list-card .card-cover {
            height: 180px;
            overflow: hidden;
            position: relative;
        }

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

        .list-card:hover .card-cover img {
            transform: scale(1.05);
        }

        .list-card .card-cover .cover-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(18, 18, 18, 0.85);
            color: #fff;
            font-size: 12px;
            font-weight: 500;
            padding: 4px 10px;
            border-radius: 6px;
            letter-spacing: 0.03em;
        }

        .list-card .card-body {
            padding: 20px 18px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .list-card .card-date {
            font-size: 12px;
            color: var(--faint);
            font-weight: 500;
            letter-spacing: 0.04em;
            margin-bottom: 8px;
            text-transform: uppercase;
        }

        .list-card .card-title {
            font-size: 17px;
            font-weight: 600;
            line-height: 1.4;
            color: var(--ink);
            margin: 0 0 10px;
            transition: var(--transition);
        }

        .list-card:hover .card-title {
            color: var(--accent);
        }

        .list-card .card-excerpt {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.65;
            margin: 0 0 16px;
            flex: 1;
        }

        .list-card .card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--brand);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }

        .list-card .card-link:hover {
            color: var(--accent);
            gap: 10px;
        }

        .faq-section {
            background: var(--white);
            border: 1px solid var(--line);
            border-radius: var(--radius-card);
            padding: 40px 36px;
            box-shadow: var(--shadow-card);
        }

        .faq-item {
            border-bottom: 1px solid var(--line);
            padding: 16px 0;
        }

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            cursor: pointer;
            padding: 4px 0;
            transition: var(--transition);
        }

        .faq-question h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--ink);
            margin: 0;
            line-height: 1.5;
            transition: var(--transition);
        }

        .faq-question:hover h3 {
            color: var(--accent);
        }

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--paper);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            color: var(--muted);
            transition: var(--transition);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.3s ease;
            padding: 0;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 12px 0 4px;
        }

        .faq-answer p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.75;
            margin: 0;
        }

        .cta-section {
            background: var(--brand);
            border-radius: var(--radius-card);
            padding: 48px 40px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(0, 230, 118, 0.08);
            pointer-events: none;
        }

        .cta-section .cta-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
            position: relative;
            z-index: 2;
        }

        .cta-section h2 {
            font-size: 24px;
            font-weight: 700;
            letter-spacing: -0.02em;
            margin: 0 0 12px;
            line-height: 1.3;
        }

        .cta-section .cta-text {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.7;
            margin: 0;
        }

        .cta-form-group {
            margin-bottom: 16px;
        }

        .cta-form-group label {
            display: block;
            font-size: 13px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 6px;
            letter-spacing: 0.03em;
        }

        .cta-form-group input,
        .cta-form-group select,
        .cta-form-group textarea {
            width: 100%;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-btn);
            padding: 12px 16px;
            color: #fff;
            font-size: 15px;
            font-family: inherit;
            transition: var(--transition);
            box-sizing: border-box;
        }

        .cta-form-group input::placeholder,
        .cta-form-group textarea::placeholder {
            color: rgba(255, 255, 255, 0.35);
        }

        .cta-form-group input:focus,
        .cta-form-group select:focus,
        .cta-form-group textarea:focus {
            border-color: var(--accent);
            background: rgba(255, 255, 255, 0.12);
            outline: none;
        }

        .cta-form-group select {
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2300E676' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 12px center;
        }

        .cta-form-group select option {
            background: var(--brand);
            color: #fff;
        }

        .site-footer {
            background: var(--brand);
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 24px;
            margin-top: auto;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 36px;
            margin-bottom: 36px;
        }

        .site-footer .footer-brand {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            margin-bottom: 12px;
        }

        .site-footer .footer-brand span {
            color: var(--accent);
        }

        .site-footer .footer-col p {
            font-size: 13px;
            line-height: 1.7;
            margin: 0 0 12px;
            color: rgba(255, 255, 255, 0.55);
        }

        .site-footer .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 14px;
            letter-spacing: 0.04em;
        }

        .site-footer .footer-col a {
            display: block;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 8px;
            transition: var(--transition);
        }

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

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.45);
        }

        .site-footer .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
            transition: var(--transition);
        }

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

        .site-footer .footer-bottom .beian {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        @media (max-width: 1024px) {
            .sidebar-nav {
                display: none;
            }
            .main-wrap {
                margin-left: 0;
                padding-top: 60px;
            }
            .mobile-header {
                display: flex;
            }
            .mobile-nav-overlay {
                display: block;
                pointer-events: none;
            }
            .mobile-nav-overlay.open {
                pointer-events: auto;
            }
            .mobile-nav-panel {
                display: block;
            }
            .stats-strip {
                grid-template-columns: repeat(3, 1fr);
            }
            .list-cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .comparison-grid {
                grid-template-columns: 1fr;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .cta-section .cta-grid {
                grid-template-columns: 1fr;
            }
            .hero-category {
                padding: 36px 28px;
                min-height: 320px;
            }
            .hero-category h1 {
                font-size: 28px;
            }
        }

        @media (max-width: 768px) {
            .stats-strip {
                grid-template-columns: repeat(2, 1fr);
                margin-top: -24px;
            }
            .list-cards-grid {
                grid-template-columns: 1fr;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .site-footer .footer-bottom .beian {
                flex-direction: column;
                gap: 6px;
            }
            .content-block {
                padding: 28px 20px;
            }
            .faq-section {
                padding: 28px 20px;
            }
            .cta-section {
                padding: 32px 20px;
            }
            .container-custom {
                padding: 0 16px;
            }
            .breadcrumb-bar {
                font-size: 12px;
            }
        }

        @media (max-width: 520px) {
            .hero-category h1 {
                font-size: 24px;
            }
            .hero-category p {
                font-size: 14px;
            }
            .hero-category .hero-actions {
                flex-direction: column;
            }
            .hero-category .hero-actions .btn-primary,
            .hero-category .hero-actions .btn-secondary {
                width: 100%;
                justify-content: center;
            }
            .stat-item .stat-number {
                font-size: 24px;
            }
            .stats-strip {
                gap: 10px;
            }
            .stat-item {
                padding: 14px 10px;
            }
            .section-spacing {
                padding: 40px 0;
            }
            .section-spacing-sm {
                padding: 28px 0;
            }
            .comparison-card {
                padding: 20px 16px;
            }
            .content-block h2 {
                font-size: 22px;
            }
            .faq-question h3 {
                font-size: 14px;
            }
        }

/* roulang page: category1 */
:root {
            --brand: #121212;
            --accent: #00E676;
            --orange: #FF6D00;
            --paper: #F5F5F0;
            --white: #FFFFFF;
            --ink: #1A1A1A;
            --muted: #5A5A5A;
            --faint: #8A8A8A;
            --line: #E5E5DE;
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-image: 14px;
            --radius-badge: 6px;
            --shadow-card: 0 1px 3px rgba(18, 18, 18, 0.06), 0 1px 2px rgba(18, 18, 18, 0.04);
            --shadow-hover: 0 12px 24px rgba(18, 18, 18, 0.10), 0 4px 8px rgba(18, 18, 18, 0.06);
            --sidebar-width: 260px;
            --transition: all 0.25s ease;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: 'Inter', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            background-color: var(--paper);
            color: var(--ink);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

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

        /* 左侧侧边导航 */
        .sidebar-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--brand);
            z-index: 1000;
            display: flex;
            flex-direction: column;
            box-shadow: 2px 0 12px rgba(0, 0, 0, 0.2);
            overflow-y: auto;
            overflow-x: hidden;
        }

        .sidebar-brand {
            padding: 32px 20px 24px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            flex-shrink: 0;
        }

        .sidebar-brand .brand-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: linear-gradient(135deg, #1a1a1a, #2d2d2d);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 12px;
            border: 1px solid rgba(0, 230, 118, 0.3);
        }

        .sidebar-brand .brand-icon svg {
            width: 26px;
            height: 26px;
            fill: var(--accent);
        }

        .sidebar-brand .brand-name {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            line-height: 1.2;
        }

        .sidebar-brand .brand-name span {
            color: var(--accent);
        }

        .sidebar-nav-list {
            list-style: none;
            margin: 0;
            padding: 16px 12px;
            flex: 1;
            overflow-y: auto;
        }

        .sidebar-nav-list li {
            margin-bottom: 6px;
        }

        .sidebar-nav-list a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 11px 14px;
            border-radius: 10px;
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            font-weight: 500;
            letter-spacing: 0.02em;
            position: relative;
            border-left: 3px solid transparent;
            transition: var(--transition);
        }

        .sidebar-nav-list a:hover {
            color: var(--accent);
            background: rgba(255, 255, 255, 0.05);
            transform: translateX(4px);
            border-left-color: rgba(0, 230, 118, 0.4);
        }

        .sidebar-nav-list a.active {
            color: #fff;
            background: rgba(0, 230, 118, 0.1);
            border-left-color: var(--accent);
            font-weight: 600;
        }

        .sidebar-nav-list a .nav-num {
            font-size: 11px;
            color: var(--faint);
            font-weight: 500;
            min-width: 16px;
            text-align: center;
            transition: var(--transition);
            font-family: 'SF Mono', 'Fira Code', monospace;
        }

        .sidebar-nav-list a:hover .nav-num,
        .sidebar-nav-list a.active .nav-num {
            color: var(--accent);
        }

        .sidebar-bottom {
            padding: 16px 20px 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            flex-shrink: 0;
        }

        .sidebar-bottom .social-row {
            display: flex;
            gap: 12px;
            margin-bottom: 14px;
        }

        .sidebar-bottom .social-row a {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.5);
            font-size: 13px;
            transition: var(--transition);
            font-weight: 500;
        }

        .sidebar-bottom .social-row a:hover {
            background: rgba(0, 230, 118, 0.15);
            color: var(--accent);
        }

        .sidebar-search {
            width: 100%;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 8px;
            padding: 8px 12px;
            color: #fff;
            font-size: 13px;
            transition: var(--transition);
            font-family: inherit;
            box-sizing: border-box;
        }

        .sidebar-search::placeholder {
            color: rgba(255, 255, 255, 0.35);
        }

        .sidebar-search:focus {
            border-color: var(--accent);
            background: rgba(255, 255, 255, 0.09);
            outline: none;
        }

        /* 主内容区 */
        .main-wrap {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        /* 移动端顶部导航 */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: var(--brand);
            z-index: 999;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
        }

        .mobile-brand {
            font-size: 18px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
        }

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

        .hamburger-btn {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.08);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 4px;
            border: 1px solid rgba(255, 255, 255, 0.12);
            transition: var(--transition);
            flex-shrink: 0;
        }

        .hamburger-btn:hover {
            background: rgba(0, 230, 118, 0.15);
            border-color: rgba(0, 230, 118, 0.3);
        }

        .hamburger-btn .line {
            width: 18px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: var(--transition);
            display: block;
        }

        .hamburger-btn.active .line:nth-child(1) {
            transform: translateY(6px) rotate(45deg);
        }

        .hamburger-btn.active .line:nth-child(2) {
            opacity: 0;
        }

        .hamburger-btn.active .line:nth-child(3) {
            transform: translateY(-6px) rotate(-45deg);
        }

        .mobile-nav-panel {
            display: none;
            position: fixed;
            top: 60px;
            left: 0;
            right: 0;
            background: var(--brand);
            z-index: 998;
            padding: 12px 16px 20px;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            max-height: calc(100vh - 60px);
            overflow-y: auto;
        }

        .mobile-nav-panel.open {
            display: block;
        }

        .mobile-nav-panel a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 14px;
            border-radius: 10px;
            color: rgba(255, 255, 255, 0.75);
            font-size: 15px;
            font-weight: 500;
            border-left: 3px solid transparent;
            transition: var(--transition);
            margin-bottom: 4px;
        }

        .mobile-nav-panel a:hover {
            color: var(--accent);
            background: rgba(255, 255, 255, 0.05);
        }

        .mobile-nav-panel a.active {
            color: #fff;
            background: rgba(0, 230, 118, 0.1);
            border-left-color: var(--accent);
            font-weight: 600;
        }

        /* 容器 */
        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 32px;
            width: 100%;
            box-sizing: border-box;
        }

        /* 面包屑 */
        .breadcrumb-wrap {
            padding: 20px 0 0;
            font-size: 13px;
            color: var(--faint);
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

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

        .breadcrumb-wrap a:hover {
            color: var(--accent);
            text-decoration: underline;
        }

        .breadcrumb-wrap .separator {
            color: var(--faint);
            font-size: 11px;
        }

        .breadcrumb-wrap .current {
            color: var(--ink);
            font-weight: 600;
        }

        /* 按钮 */
        .btn-primary {
            background: var(--accent);
            color: var(--brand);
            font-weight: 600;
            padding: 14px 28px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            letter-spacing: 0.01em;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
            box-shadow: 0 2px 8px rgba(0, 230, 118, 0.2);
            text-decoration: none;
        }

        .btn-primary:hover {
            background: #00C853;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(0, 230, 118, 0.35);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 6px rgba(0, 230, 118, 0.2);
        }

        .btn-secondary {
            background: transparent;
            color: var(--ink);
            border: 1px solid var(--brand);
            padding: 14px 28px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.01em;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
            text-decoration: none;
        }

        .btn-secondary:hover {
            background: var(--brand);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(18, 18, 18, 0.2);
        }

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

        .btn-orange {
            background: var(--orange);
            color: #fff;
            font-weight: 600;
            padding: 14px 28px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            letter-spacing: 0.01em;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
            box-shadow: 0 2px 8px rgba(255, 109, 0, 0.25);
            text-decoration: none;
        }

        .btn-orange:hover {
            background: #E65100;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(255, 109, 0, 0.4);
        }

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

        .btn-link {
            color: var(--accent);
            font-weight: 600;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: var(--transition);
            text-decoration: none;
            background: none;
            padding: 4px 0;
        }

        .btn-link:hover {
            color: #00C853;
            text-decoration: underline;
        }

        /* 标签 */
        .badge {
            display: inline-block;
            padding: 4px 12px;
            border-radius: var(--radius-badge);
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.02em;
            line-height: 1.4;
        }

        .badge-green {
            background: rgba(0, 230, 118, 0.12);
            color: #00A651;
        }

        .badge-orange {
            background: rgba(255, 109, 0, 0.12);
            color: #E65100;
        }

        .badge-dark {
            background: rgba(18, 18, 18, 0.08);
            color: var(--muted);
        }

        /* 卡片 */
        .card {
            background: var(--white);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            border: 1px solid var(--line);
            transition: var(--transition);
            overflow: hidden;
            box-sizing: border-box;
        }

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

        .card-body {
            padding: 24px;
            box-sizing: border-box;
        }

        .card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: 0;
            display: block;
        }

        /* 分类页Hero */
        .category-hero {
            background: var(--brand);
            border-radius: var(--radius-card);
            padding: 48px 40px;
            margin-top: 16px;
            position: relative;
            overflow: hidden;
            color: #fff;
            box-shadow: 0 8px 32px rgba(18, 18, 18, 0.15);
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(0, 230, 118, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: 20%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 109, 0, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .category-hero .hero-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
        }

        .category-hero h1 {
            font-size: 36px;
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.2;
            margin: 0 0 16px;
            color: #fff;
        }

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

        .category-hero p {
            font-size: 16px;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.75);
            margin: 0 0 24px;
        }

        .category-hero .hero-cta-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            position: relative;
            z-index: 2;
        }

        /* 指标看板 */
        .metrics-bar {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
            margin-top: 32px;
        }

        .metric-item {
            background: var(--white);
            border-radius: 14px;
            padding: 20px 18px;
            text-align: center;
            border: 1px solid var(--line);
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            box-sizing: border-box;
        }

        .metric-item:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--accent);
        }

        .metric-item .metric-num {
            font-size: 36px;
            font-weight: 800;
            color: var(--brand);
            letter-spacing: -0.01em;
            line-height: 1.2;
            font-family: 'SF Mono', 'Fira Code', monospace;
        }

        .metric-item .metric-num.accent {
            color: #00A651;
        }

        .metric-item .metric-label {
            font-size: 12px;
            color: var(--faint);
            font-weight: 500;
            letter-spacing: 0.05em;
            margin-top: 6px;
        }

        /* 深度内容区 */
        .deep-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: start;
            margin-top: 48px;
        }

        .deep-content .content-text h2 {
            font-size: 24px;
            font-weight: 700;
            letter-spacing: -0.01em;
            color: var(--ink);
            margin: 0 0 16px;
            line-height: 1.3;
        }

        .deep-content .content-text p {
            font-size: 15px;
            line-height: 1.8;
            color: var(--muted);
            margin: 0 0 14px;
        }

        .deep-content .content-text p:last-child {
            margin-bottom: 0;
        }

        .deep-content .content-image {
            border-radius: var(--radius-image);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--line);
            position: sticky;
            top: 100px;
        }

        .deep-content .content-image img {
            width: 100%;
            height: 280px;
            object-fit: cover;
            display: block;
        }

        .content-image-caption {
            padding: 12px 16px;
            font-size: 12px;
            color: var(--faint);
            background: var(--white);
            border-top: 1px solid var(--line);
            text-align: center;
            letter-spacing: 0.03em;
        }

        /* 服务网格 */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 32px;
        }

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

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

        .service-card .service-img {
            width: 100%;
            height: 160px;
            object-fit: cover;
            display: block;
        }

        .service-card .service-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
            box-sizing: border-box;
        }

        .service-card .service-body h3 {
            font-size: 18px;
            font-weight: 700;
            margin: 0 0 8px;
            letter-spacing: -0.01em;
            color: var(--ink);
            line-height: 1.35;
        }

        .service-card .service-body p {
            font-size: 14px;
            line-height: 1.65;
            color: var(--muted);
            margin: 0 0 16px;
            flex: 1;
        }

        /* 对比区 */
        .comparison-section {
            margin-top: 48px;
            background: var(--brand);
            border-radius: var(--radius-card);
            padding: 40px 36px;
            color: #fff;
            box-shadow: 0 6px 24px rgba(18, 18, 18, 0.12);
        }

        .comparison-section h2 {
            font-size: 24px;
            font-weight: 700;
            letter-spacing: -0.01em;
            color: #fff;
            margin: 0 0 8px;
            text-align: center;
        }

        .comparison-subtitle {
            text-align: center;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            margin: 0 0 28px;
        }

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

        .comparison-col {
            background: rgba(255, 255, 255, 0.05);
            border-radius: 14px;
            padding: 24px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            box-sizing: border-box;
        }

        .comparison-col h3 {
            font-size: 16px;
            font-weight: 700;
            margin: 0 0 16px;
            letter-spacing: 0.01em;
        }

        .comparison-col h3.green {
            color: var(--accent);
        }

        .comparison-col h3.orange {
            color: var(--orange);
        }

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

        .comparison-col ul li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            line-height: 1.6;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 12px;
        }

        .comparison-col ul li:last-child {
            margin-bottom: 0;
        }

        .comparison-col ul li .cmp-icon {
            flex-shrink: 0;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 11px;
            font-weight: 700;
            margin-top: 2px;
        }

        .comparison-col ul li .cmp-icon.good {
            background: rgba(0, 230, 118, 0.2);
            color: var(--accent);
        }

        .comparison-col ul li .cmp-icon.bad {
            background: rgba(255, 109, 0, 0.2);
            color: var(--orange);
        }

        /* 列表卡片 */
        .report-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
            margin-top: 32px;
        }

        .report-item {
            display: flex;
            gap: 16px;
            background: var(--white);
            border-radius: var(--radius-card);
            padding: 16px;
            border: 1px solid var(--line);
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            box-sizing: border-box;
            align-items: center;
        }

        .report-item:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--accent);
            transform: translateY(-2px);
        }

        .report-item .report-img {
            width: 100px;
            height: 70px;
            border-radius: 8px;
            object-fit: cover;
            flex-shrink: 0;
            display: block;
        }

        .report-item .report-info {
            flex: 1;
            min-width: 0;
        }

        .report-item .report-date {
            font-size: 12px;
            color: var(--faint);
            font-family: 'SF Mono', 'Fira Code', monospace;
            letter-spacing: 0.02em;
            margin-bottom: 4px;
        }

        .report-item .report-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--ink);
            margin: 0 0 4px;
            line-height: 1.4;
            transition: var(--transition);
        }

        .report-item:hover .report-title {
            color: #00A651;
        }

        .report-item .report-summary {
            font-size: 13px;
            color: var(--muted);
            margin: 0;
            line-height: 1.55;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .report-item .report-btn {
            flex-shrink: 0;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-top: 32px;
        }

        .faq-item {
            background: var(--white);
            border-radius: 12px;
            border: 1px solid var(--line);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: var(--transition);
            box-sizing: border-box;
        }

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

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 20px;
            font-size: 15px;
            font-weight: 600;
            color: var(--ink);
            text-align: left;
            letter-spacing: 0.01em;
            gap: 12px;
            transition: var(--transition);
            box-sizing: border-box;
        }

        .faq-question:hover {
            color: #00A651;
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(0, 230, 118, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 700;
            color: var(--accent);
            transition: var(--transition);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.25s ease;
            padding: 0 20px;
            box-sizing: border-box;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }

        .faq-answer p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--muted);
            margin: 0;
        }

        /* CTA表单区 */
        .cta-section {
            background: var(--brand);
            border-radius: var(--radius-card);
            padding: 48px 40px;
            margin-top: 48px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            box-shadow: 0 8px 32px rgba(18, 18, 18, 0.15);
            box-sizing: border-box;
        }

        .cta-section .cta-left h2 {
            font-size: 26px;
            font-weight: 700;
            color: #fff;
            letter-spacing: -0.01em;
            margin: 0 0 12px;
            line-height: 1.3;
        }

        .cta-section .cta-left p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.75;
            margin: 0;
        }

        .cta-form {
            display: flex;
            flex-direction: column;
            gap: 14px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 14px;
            padding: 24px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            box-sizing: border-box;
        }

        .cta-form input,
        .cta-form select,
        .cta-form textarea {
            width: 100%;
            background: var(--white);
            border: 1px solid var(--line);
            border-radius: var(--radius-btn);
            padding: 12px 16px;
            font-size: 14px;
            color: var(--ink);
            font-family: inherit;
            transition: var(--transition);
            box-sizing: border-box;
        }

        .cta-form input::placeholder,
        .cta-form textarea::placeholder {
            color: var(--faint);
        }

        .cta-form input:focus,
        .cta-form select:focus,
        .cta-form textarea:focus {
            border-color: var(--accent);
            outline: none;
            box-shadow: 0 0 0 3px rgba(0, 230, 118, 0.15);
        }

        .cta-form textarea {
            resize: vertical;
            min-height: 80px;
        }

        /* 页脚 */
        .site-footer {
            background: var(--brand);
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 0;
            margin-top: 72px;
            flex-shrink: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.3fr 1fr 1fr 1.2fr;
            gap: 32px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            box-sizing: border-box;
        }

        .footer-col {
            box-sizing: border-box;
        }

        .footer-brand {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            margin-bottom: 12px;
        }

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

        .footer-col p {
            font-size: 13px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.55);
            margin: 0 0 8px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            letter-spacing: 0.03em;
            margin: 0 0 14px;
        }

        .footer-col a {
            display: block;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 8px;
            transition: var(--transition);
        }

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding: 20px 0 24px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.45);
            box-sizing: border-box;
        }

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

        .footer-bottom .beian span {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom a {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.55);
            transition: var(--transition);
        }

        .footer-bottom a:hover {
            color: var(--accent);
            text-decoration: underline;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .sidebar-nav {
                display: none;
            }

            .mobile-header {
                display: flex;
            }

            .main-wrap {
                margin-left: 0;
                padding-top: 60px;
            }

            .container-custom {
                padding: 0 20px;
            }

            .category-hero {
                padding: 36px 28px;
            }

            .category-hero h1 {
                font-size: 30px;
            }

            .metrics-bar {
                grid-template-columns: repeat(3, 1fr);
            }

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

            .deep-content .content-image {
                position: static;
                order: -1;
            }

            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .cta-section {
                grid-template-columns: 1fr;
                gap: 24px;
                padding: 32px 28px;
            }

            .comparison-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
        }

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

            .metrics-bar {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }

            .metric-item .metric-num {
                font-size: 28px;
            }

            .category-hero {
                padding: 28px 20px;
                margin-top: 12px;
            }

            .category-hero h1 {
                font-size: 26px;
            }

            .category-hero p {
                font-size: 14px;
            }

            .service-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .report-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
                padding: 14px;
            }

            .report-item .report-img {
                width: 100%;
                height: 140px;
            }

            .report-item .report-btn {
                width: 100%;
            }

            .report-item .report-btn .btn-link {
                width: 100%;
                justify-content: center;
                padding: 10px;
                background: rgba(0, 230, 118, 0.08);
                border-radius: 8px;
            }

            .cta-section {
                padding: 24px 18px;
                margin-top: 32px;
            }

            .cta-section .cta-left h2 {
                font-size: 22px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .breadcrumb-wrap {
                font-size: 12px;
                padding-top: 14px;
            }

            .deep-content .content-text h2 {
                font-size: 20px;
            }

            .comparison-section {
                padding: 28px 20px;
            }

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

            .faq-question {
                font-size: 14px;
                padding: 14px 16px;
            }

            .faq-item.open .faq-answer {
                padding: 0 16px 14px;
            }
        }

        @media (max-width: 520px) {
            .category-hero h1 {
                font-size: 22px;
            }

            .category-hero p {
                font-size: 13px;
                line-height: 1.65;
            }

            .category-hero .hero-cta-group {
                flex-direction: column;
                gap: 10px;
            }

            .category-hero .hero-cta-group .btn-primary,
            .category-hero .hero-cta-group .btn-secondary,
            .category-hero .hero-cta-group .btn-orange {
                width: 100%;
                justify-content: center;
                padding: 12px 20px;
                font-size: 14px;
            }

            .metrics-bar {
                grid-template-columns: repeat(2, 1fr);
                gap: 8px;
            }

            .metric-item {
                padding: 14px 12px;
            }

            .metric-item .metric-num {
                font-size: 24px;
            }

            .metric-item .metric-label {
                font-size: 11px;
            }

            .btn-primary,
            .btn-secondary,
            .btn-orange {
                padding: 12px 20px;
                font-size: 14px;
            }

            .container-custom {
                padding: 0 12px;
            }
        }

/* roulang page: category4 */
:root {
            --brand: #121212;
            --accent: #00E676;
            --orange: #FF6D00;
            --paper: #F5F5F0;
            --white: #FFFFFF;
            --ink: #1A1A1A;
            --muted: #5A5A5A;
            --faint: #8A8A8A;
            --line: #E5E5DE;
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-image: 14px;
            --radius-badge: 6px;
            --shadow-card: 0 1px 3px rgba(18, 18, 18, 0.06), 0 1px 2px rgba(18, 18, 18, 0.04);
            --shadow-hover: 0 12px 24px rgba(18, 18, 18, 0.10), 0 4px 8px rgba(18, 18, 18, 0.06);
            --sidebar-width: 260px;
            --transition: all 0.25s ease;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: 'Inter', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            background-color: var(--paper);
            color: var(--ink);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

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

        .sidebar-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--brand);
            z-index: 1000;
            display: flex;
            flex-direction: column;
            box-shadow: 2px 0 12px rgba(0, 0, 0, 0.2);
            overflow-y: auto;
            overflow-x: hidden;
        }

        .sidebar-brand {
            padding: 32px 20px 24px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            flex-shrink: 0;
        }

        .sidebar-brand .brand-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: linear-gradient(135deg, #1a1a1a, #2d2d2d);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 12px;
            border: 1px solid rgba(0, 230, 118, 0.3);
        }

        .sidebar-brand .brand-name {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            line-height: 1.2;
        }

        .sidebar-brand .brand-name span {
            color: var(--accent);
        }

        .sidebar-nav-list {
            list-style: none;
            margin: 0;
            padding: 16px 12px;
            flex: 1;
            overflow-y: auto;
        }

        .sidebar-nav-list li {
            margin-bottom: 6px;
        }

        .sidebar-nav-list a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 11px 14px;
            border-radius: 10px;
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            font-weight: 500;
            letter-spacing: 0.02em;
            position: relative;
            border-left: 3px solid transparent;
            transition: var(--transition);
        }

        .sidebar-nav-list a:hover {
            color: var(--accent);
            background: rgba(255, 255, 255, 0.05);
            transform: translateX(4px);
            border-left-color: rgba(0, 230, 118, 0.4);
        }

        .sidebar-nav-list a.active {
            color: #fff;
            background: rgba(0, 230, 118, 0.1);
            border-left-color: var(--accent);
            font-weight: 600;
        }

        .sidebar-nav-list a .nav-num {
            font-size: 11px;
            color: var(--faint);
            font-weight: 500;
            min-width: 16px;
            text-align: center;
            transition: var(--transition);
        }

        .sidebar-nav-list a:hover .nav-num,
        .sidebar-nav-list a.active .nav-num {
            color: var(--accent);
        }

        .sidebar-bottom {
            padding: 16px 20px 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            flex-shrink: 0;
        }

        .sidebar-bottom .social-row {
            display: flex;
            gap: 12px;
            margin-bottom: 14px;
        }

        .sidebar-bottom .social-row a {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.5);
            font-size: 14px;
            transition: var(--transition);
        }

        .sidebar-bottom .social-row a:hover {
            background: rgba(0, 230, 118, 0.15);
            color: var(--accent);
        }

        .sidebar-search {
            width: 100%;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 8px;
            padding: 8px 12px;
            color: #fff;
            font-size: 13px;
            transition: var(--transition);
        }

        .sidebar-search::placeholder {
            color: rgba(255, 255, 255, 0.35);
        }

        .sidebar-search:focus {
            border-color: var(--accent);
            background: rgba(255, 255, 255, 0.09);
            outline: none;
        }

        .main-wrap {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: var(--brand);
            z-index: 999;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
        }

        .mobile-brand {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
        }

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

        .hamburger-btn {
            display: flex;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: 8px;
            background: transparent;
        }

        .hamburger-btn .line {
            width: 24px;
            height: 2px;
            background: #fff;
            border-radius: 1px;
            transition: var(--transition);
        }

        .hamburger-btn:hover .line {
            background: var(--accent);
        }

        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 998;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .mobile-nav-overlay.open {
            opacity: 1;
            display: block;
        }

        .mobile-drawer {
            display: none;
            position: fixed;
            top: 0;
            right: 0;
            bottom: 0;
            width: 280px;
            max-width: 80vw;
            background: var(--brand);
            z-index: 999;
            transform: translateX(100%);
            transition: transform 0.3s ease;
            padding: 20px;
            overflow-y: auto;
        }

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

        .mobile-drawer .drawer-close {
            display: flex;
            justify-content: flex-end;
            margin-bottom: 16px;
        }

        .mobile-drawer .drawer-close button {
            font-size: 24px;
            color: #fff;
            padding: 4px 8px;
            border-radius: 6px;
        }

        .mobile-drawer .drawer-close button:hover {
            background: rgba(255, 255, 255, 0.08);
            color: var(--accent);
        }

        .mobile-drawer .drawer-nav-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .mobile-drawer .drawer-nav-list li {
            margin-bottom: 8px;
        }

        .mobile-drawer .drawer-nav-list a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 14px 16px;
            border-radius: 10px;
            color: rgba(255, 255, 255, 0.7);
            font-size: 15px;
            font-weight: 500;
            border-left: 3px solid transparent;
            transition: var(--transition);
        }

        .mobile-drawer .drawer-nav-list a:hover,
        .mobile-drawer .drawer-nav-list a.active {
            color: #fff;
            background: rgba(0, 230, 118, 0.1);
            border-left-color: var(--accent);
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--faint);
            padding: 20px 0 8px;
            flex-wrap: wrap;
        }

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

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

        .breadcrumb .sep {
            color: var(--line);
            font-size: 12px;
        }

        .breadcrumb .current {
            color: var(--ink);
            font-weight: 600;
            position: relative;
            padding-left: 4px;
        }

        .breadcrumb .current::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 14px;
            background: var(--accent);
            border-radius: 2px;
        }

        .category-hero {
            position: relative;
            border-radius: 20px;
            overflow: hidden;
            margin: 24px 0 48px;
            min-height: 480px;
            display: flex;
            align-items: stretch;
            background: var(--brand);
            box-shadow: var(--shadow-hover);
        }

        .category-hero .hero-content {
            flex: 1;
            padding: 56px 48px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            position: relative;
            z-index: 2;
        }

        .category-hero .hero-content .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(0, 230, 118, 0.15);
            color: var(--accent);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 20px;
            margin-bottom: 20px;
            letter-spacing: 0.04em;
            width: fit-content;
        }

        .category-hero .hero-content h1 {
            font-size: 40px;
            font-weight: 800;
            line-height: 1.15;
            color: #fff;
            letter-spacing: -0.02em;
            margin: 0 0 16px;
        }

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

        .category-hero .hero-content .hero-sub {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.7;
            max-width: 520px;
            margin-bottom: 32px;
        }

        .category-hero .hero-content .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn-primary {
            background: var(--accent);
            color: var(--brand);
            font-weight: 600;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            letter-spacing: 0.02em;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-primary:hover {
            background: #00C853;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(0, 230, 118, 0.25);
        }

        .btn-secondary {
            background: transparent;
            color: #fff;
            font-weight: 600;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            letter-spacing: 0.02em;
            border: 1px solid rgba(255, 255, 255, 0.3);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-secondary:hover {
            background: #fff;
            color: var(--brand);
            border-color: #fff;
            transform: translateY(-2px);
        }

        .category-hero .hero-image {
            flex: 0 0 42%;
            position: relative;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            min-height: 480px;
        }

        .category-hero .hero-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to right, rgba(18, 18, 18, 0.9) 0%, rgba(18, 18, 18, 0.3) 40%, rgba(18, 18, 18, 0.05) 100%);
        }

        .section-block {
            margin-bottom: 80px;
        }

        .section-header {
            margin-bottom: 32px;
        }

        .section-header .section-label {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--orange);
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 8px;
        }

        .section-header h2 {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.25;
            color: var(--ink);
            letter-spacing: -0.01em;
            margin: 0;
        }

        .section-header .section-desc {
            font-size: 15px;
            color: var(--muted);
            margin-top: 12px;
            max-width: 640px;
        }

        .data-strip {
            background: var(--brand);
            border-radius: 16px;
            padding: 32px 28px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin: 0;
        }

        .data-strip .data-item {
            text-align: left;
            padding: 12px 16px;
            border-left: 3px solid rgba(0, 230, 118, 0.4);
        }

        .data-strip .data-item .data-num {
            font-size: 42px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1;
            letter-spacing: -0.02em;
            margin-bottom: 6px;
        }

        .data-strip .data-item .data-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            font-weight: 500;
            letter-spacing: 0.04em;
        }

        .prose-section {
            background: var(--white);
            border-radius: 16px;
            padding: 48px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--line);
        }

        .prose-section h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--ink);
            margin: 0 0 16px;
            letter-spacing: -0.01em;
        }

        .prose-section p {
            font-size: 15px;
            color: var(--muted);
            line-height: 1.85;
            margin: 0 0 18px;
        }

        .prose-section p:last-child {
            margin-bottom: 0;
        }

        .prose-section .highlight-text {
            color: var(--ink);
            font-weight: 500;
            border-left: 3px solid var(--accent);
            padding-left: 16px;
            margin: 20px 0;
            font-size: 16px;
        }

        .image-text-split {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            margin: 0;
        }

        .image-text-split .text-side h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--ink);
            margin: 0 0 14px;
        }

        .image-text-split .text-side p {
            font-size: 15px;
            color: var(--muted);
            line-height: 1.85;
            margin-bottom: 14px;
        }

        .image-text-split .image-side {
            border-radius: 14px;
            overflow: hidden;
            box-shadow: var(--shadow-hover);
            position: relative;
        }

        .image-text-split .image-side img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }

        .image-text-split .image-side::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(0, 230, 118, 0.15) 0%, rgba(18, 18, 18, 0.05) 100%);
        }

        .list-cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .list-card {
            background: var(--white);
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--line);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .list-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: var(--accent);
        }

        .list-card .card-image {
            height: 180px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .list-card .card-image .badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--orange);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 6px;
            letter-spacing: 0.03em;
        }

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

        .list-card .card-body .card-date {
            font-size: 12px;
            color: var(--faint);
            font-weight: 500;
            letter-spacing: 0.05em;
            margin-bottom: 10px;
        }

        .list-card .card-body h4 {
            font-size: 17px;
            font-weight: 600;
            color: var(--ink);
            margin: 0 0 10px;
            line-height: 1.35;
            transition: var(--transition);
        }

        .list-card:hover .card-body h4 {
            color: var(--accent);
        }

        .list-card .card-body p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
            margin: 0 0 16px;
            flex: 1;
        }

        .list-card .card-body .read-more {
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }

        .list-card .card-body .read-more:hover {
            color: #00C853;
            gap: 10px;
        }

        .timeline-section {
            display: flex;
            flex-direction: column;
            gap: 0;
            position: relative;
            padding-left: 32px;
        }

        .timeline-section::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--line);
            border-radius: 2px;
        }

        .timeline-item {
            position: relative;
            padding: 0 0 32px 20px;
        }

        .timeline-item:last-child {
            padding-bottom: 0;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -28px;
            top: 6px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--accent);
            border: 3px solid var(--paper);
            box-shadow: 0 0 0 2px var(--accent);
        }

        .timeline-item .timeline-date {
            font-size: 12px;
            font-weight: 600;
            color: var(--orange);
            letter-spacing: 0.06em;
            margin-bottom: 6px;
        }

        .timeline-item h4 {
            font-size: 17px;
            font-weight: 600;
            color: var(--ink);
            margin: 0 0 8px;
        }

        .timeline-item p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
            margin: 0;
        }

        .faq-section {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--white);
            border-radius: 12px;
            border: 1px solid var(--line);
            overflow: hidden;
            transition: var(--transition);
        }

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

        .faq-item .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            font-size: 15px;
            font-weight: 600;
            color: var(--ink);
            text-align: left;
            background: transparent;
            transition: var(--transition);
        }

        .faq-item .faq-question:hover {
            background: rgba(0, 230, 118, 0.05);
        }

        .faq-item .faq-question .faq-icon {
            font-size: 20px;
            font-weight: 300;
            color: var(--accent);
            transition: var(--transition);
            flex-shrink: 0;
            margin-left: 12px;
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
        }

        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
            padding: 0 22px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
        }

        .faq-item .faq-answer p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.8;
            padding-bottom: 18px;
            margin: 0;
        }

        .cta-section {
            background: var(--brand);
            border-radius: 20px;
            padding: 48px;
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 32px;
            align-items: center;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-hover);
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(0, 230, 118, 0.12) 0%, transparent 70%);
        }

        .cta-section .cta-text {
            position: relative;
            z-index: 1;
        }

        .cta-section .cta-text h2 {
            font-size: 26px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 10px;
            letter-spacing: -0.01em;
        }

        .cta-section .cta-text p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.6);
            margin: 0;
            line-height: 1.7;
        }

        .cta-section .cta-actions {
            display: flex;
            gap: 14px;
            position: relative;
            z-index: 1;
            flex-wrap: wrap;
        }

        .btn-orange {
            background: var(--orange);
            color: #fff;
            font-weight: 600;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            letter-spacing: 0.02em;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-orange:hover {
            background: #E65100;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(255, 109, 0, 0.3);
        }

        .btn-outline-light {
            background: transparent;
            color: #fff;
            font-weight: 600;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            border: 1px solid rgba(255, 255, 255, 0.25);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.5);
            transform: translateY(-2px);
        }

        .site-footer {
            background: var(--brand);
            color: rgba(255, 255, 255, 0.7);
            padding: 56px 0 0;
            margin-top: 40px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 40px;
        }

        .footer-brand {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            margin-bottom: 12px;
        }

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

        .footer-col p {
            font-size: 13px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.55);
            margin: 0 0 14px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 16px;
            letter-spacing: 0.04em;
        }

        .footer-col a {
            display: block;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 10px;
            transition: var(--transition);
            width: fit-content;
        }

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

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            padding: 20px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 12px;
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-bottom .beian {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer-bottom .beian span {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.4);
        }

        @media (max-width: 1024px) {
            :root {
                --sidebar-width: 0px;
            }

            .sidebar-nav {
                display: none;
            }

            .mobile-header {
                display: flex;
            }

            .mobile-nav-overlay,
            .mobile-drawer {
                display: block;
            }

            .main-wrap {
                margin-left: 0;
                padding-top: 60px;
            }

            .category-hero {
                flex-direction: column;
                min-height: auto;
            }

            .category-hero .hero-content {
                padding: 40px 28px;
            }

            .category-hero .hero-content h1 {
                font-size: 32px;
            }

            .category-hero .hero-image {
                flex: none;
                min-height: 260px;
                width: 100%;
            }

            .data-strip {
                grid-template-columns: repeat(2, 1fr);
            }

            .list-cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .image-text-split {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .cta-section {
                grid-template-columns: 1fr;
                padding: 36px 28px;
            }

            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px;
            }
        }

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

            .category-hero .hero-content h1 {
                font-size: 28px;
            }

            .data-strip {
                grid-template-columns: 1fr 1fr;
                padding: 24px 16px;
                gap: 12px;
            }

            .data-strip .data-item .data-num {
                font-size: 32px;
            }

            .list-cards-grid {
                grid-template-columns: 1fr;
            }

            .prose-section {
                padding: 28px 20px;
            }

            .section-block {
                margin-bottom: 56px;
            }

            .section-header h2 {
                font-size: 24px;
            }

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

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                align-items: center;
            }

            .footer-bottom .beian {
                flex-direction: column;
                gap: 6px;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .category-hero .hero-content h1 {
                font-size: 24px;
            }

            .category-hero .hero-content .hero-actions {
                flex-direction: column;
            }

            .btn-primary,
            .btn-secondary,
            .btn-orange,
            .btn-outline-light {
                width: 100%;
                justify-content: center;
                padding: 12px 16px;
            }

            .data-strip {
                grid-template-columns: 1fr;
            }

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

            .cta-section {
                padding: 28px 18px;
            }
        }

/* roulang page: category3 */
:root {
            --brand: #121212;
            --accent: #00E676;
            --orange: #FF6D00;
            --paper: #F5F5F0;
            --white: #FFFFFF;
            --ink: #1A1A1A;
            --muted: #5A5A5A;
            --faint: #8A8A8A;
            --line: #E5E5DE;
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-image: 14px;
            --radius-badge: 6px;
            --shadow-card: 0 1px 3px rgba(18, 18, 18, 0.06), 0 1px 2px rgba(18, 18, 18, 0.04);
            --shadow-hover: 0 12px 24px rgba(18, 18, 18, 0.10), 0 4px 8px rgba(18, 18, 18, 0.06);
            --sidebar-width: 260px;
            --transition: all 0.25s ease;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: 'Inter', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            background-color: var(--paper);
            color: var(--ink);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

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

        /* 侧边导航 */
        .sidebar-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--brand);
            z-index: 1000;
            display: flex;
            flex-direction: column;
            box-shadow: 2px 0 12px rgba(0, 0, 0, 0.2);
            overflow-y: auto;
            overflow-x: hidden;
        }

        .sidebar-brand {
            padding: 32px 20px 24px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            flex-shrink: 0;
        }

        .sidebar-brand .brand-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: linear-gradient(135deg, #1a1a1a, #2d2d2d);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 12px;
            border: 1px solid rgba(0, 230, 118, 0.3);
            font-size: 20px;
            color: var(--accent);
        }

        .sidebar-brand .brand-name {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            line-height: 1.2;
        }

        .sidebar-brand .brand-name span {
            color: var(--accent);
        }

        .sidebar-nav-list {
            list-style: none;
            margin: 0;
            padding: 16px 12px;
            flex: 1;
            overflow-y: auto;
        }

        .sidebar-nav-list li {
            margin-bottom: 4px;
        }

        .sidebar-nav-list a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 11px 14px;
            border-radius: 10px;
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            font-weight: 500;
            letter-spacing: 0.02em;
            position: relative;
            border-left: 3px solid transparent;
            transition: var(--transition);
        }

        .sidebar-nav-list a:hover {
            color: var(--accent);
            background: rgba(255, 255, 255, 0.05);
            transform: translateX(4px);
            border-left-color: rgba(0, 230, 118, 0.4);
        }

        .sidebar-nav-list a.active {
            color: #fff;
            background: rgba(0, 230, 118, 0.1);
            border-left-color: var(--accent);
            font-weight: 600;
        }

        .sidebar-nav-list a .nav-num {
            font-size: 11px;
            color: var(--faint);
            font-weight: 500;
            min-width: 16px;
            text-align: center;
            transition: var(--transition);
        }

        .sidebar-nav-list a:hover .nav-num,
        .sidebar-nav-list a.active .nav-num {
            color: var(--accent);
        }

        .sidebar-bottom {
            padding: 16px 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            flex-shrink: 0;
        }

        .sidebar-bottom .social-row {
            display: flex;
            gap: 10px;
            margin-bottom: 12px;
        }

        .sidebar-bottom .social-row a {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.5);
            font-size: 13px;
            transition: var(--transition);
        }

        .sidebar-bottom .social-row a:hover {
            background: rgba(0, 230, 118, 0.15);
            color: var(--accent);
        }

        .sidebar-search {
            width: 100%;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 8px;
            padding: 8px 12px;
            color: #fff;
            font-size: 13px;
            transition: var(--transition);
            font-family: inherit;
        }

        .sidebar-search::placeholder {
            color: rgba(255, 255, 255, 0.35);
        }

        .sidebar-search:focus {
            border-color: var(--accent);
            background: rgba(255, 255, 255, 0.09);
            outline: none;
        }

        /* 主内容区 */
        .main-wrap {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        .container-custom {
            max-width: 1140px;
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

        /* 移动端导航 */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: var(--brand);
            z-index: 999;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
        }

        .mobile-brand {
            font-size: 18px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
        }

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

        .hamburger-btn {
            width: 40px;
            height: 40px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.06);
            transition: var(--transition);
        }

        .hamburger-btn:hover {
            background: rgba(0, 230, 118, 0.12);
        }

        .hamburger-btn .line {
            display: block;
            width: 20px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: var(--transition);
        }

        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: 60px;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.6);
            z-index: 998;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .mobile-nav-overlay.open {
            opacity: 1;
        }

        .mobile-nav-drawer {
            display: none;
            position: fixed;
            top: 60px;
            left: 0;
            right: 0;
            background: var(--brand);
            z-index: 999;
            padding: 12px 16px 20px;
            transform: translateY(-100%);
            transition: transform 0.3s ease;
            max-height: calc(100vh - 60px);
            overflow-y: auto;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
        }

        .mobile-nav-drawer.open {
            transform: translateY(0);
        }

        .mobile-nav-drawer a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 14px;
            border-radius: 10px;
            color: rgba(255, 255, 255, 0.75);
            font-size: 15px;
            font-weight: 500;
            border-left: 3px solid transparent;
            transition: var(--transition);
            margin-bottom: 2px;
        }

        .mobile-nav-drawer a:hover {
            color: var(--accent);
            background: rgba(255, 255, 255, 0.05);
        }

        .mobile-nav-drawer a.active {
            color: #fff;
            background: rgba(0, 230, 118, 0.1);
            border-left-color: var(--accent);
            font-weight: 600;
        }

        .mobile-nav-drawer a .nav-num {
            font-size: 12px;
            color: var(--faint);
        }

        /* 面包屑 */
        .breadcrumb-section {
            padding: 36px 0 0;
        }

        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--faint);
            flex-wrap: wrap;
        }

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

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

        .breadcrumb-nav .sep {
            color: var(--faint);
        }

        .breadcrumb-nav .current {
            color: var(--ink);
            font-weight: 600;
        }

        /* Hero 电竞竞技 */
        .esports-hero {
            padding: 40px 0 48px;
        }

        .esports-hero-inner {
            background: linear-gradient(135deg, #121212 0%, #1e1e1e 40%, #0d1f14 100%);
            border-radius: 24px;
            overflow: hidden;
            position: relative;
            box-shadow: 0 8px 32px rgba(18, 18, 18, 0.15);
        }

        .esports-hero-inner::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(0, 230, 118, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .esports-hero-inner::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -40px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 109, 0, 0.07) 0%, transparent 70%);
            pointer-events: none;
        }

        .esports-hero-content {
            padding: 56px 48px 48px;
            display: grid;
            grid-template-columns: 1.15fr 0.85fr;
            gap: 40px;
            position: relative;
            z-index: 1;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(0, 230, 118, 0.12);
            color: var(--accent);
            font-size: 12px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 20px;
            letter-spacing: 0.03em;
            margin-bottom: 20px;
            border: 1px solid rgba(0, 230, 118, 0.25);
        }

        .hero-badge .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
            animation: pulse-dot 1.5s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.4;
                transform: scale(1.6);
            }
        }

        .esports-hero-left h1 {
            font-size: 40px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            letter-spacing: -0.02em;
            margin: 0 0 20px;
        }

        .esports-hero-left h1 .highlight {
            color: var(--accent);
        }

        .esports-hero-left .subtitle {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.75;
            margin-bottom: 28px;
            max-width: 520px;
        }

        .hero-cta-row {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn-primary {
            background: var(--accent);
            color: var(--brand);
            font-weight: 700;
            padding: 14px 28px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            transition: var(--transition);
            letter-spacing: 0.02em;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-primary:hover {
            background: #00C853;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(0, 230, 118, 0.3);
        }

        .btn-secondary {
            background: transparent;
            color: #fff;
            font-weight: 600;
            padding: 14px 28px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            border: 1px solid rgba(255, 255, 255, 0.3);
            transition: var(--transition);
            letter-spacing: 0.02em;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-secondary:hover {
            background: #fff;
            color: var(--brand);
            transform: translateY(-2px);
        }

        .btn-orange {
            background: var(--orange);
            color: #fff;
            font-weight: 700;
            padding: 14px 28px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            transition: var(--transition);
            letter-spacing: 0.02em;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-orange:hover {
            background: #E65100;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(255, 109, 0, 0.3);
        }

        /* 倒计时 */
        .countdown-widget {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 16px;
            padding: 24px 20px;
            backdrop-filter: blur(8px);
        }

        .countdown-widget .countdown-label {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.5);
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 14px;
        }

        .countdown-digits {
            display: flex;
            gap: 12px;
            margin-bottom: 18px;
        }

        .countdown-digit-box {
            flex: 1;
            text-align: center;
            background: rgba(0, 0, 0, 0.4);
            border-radius: 12px;
            padding: 12px 8px;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .countdown-digit-box .digit {
            font-size: 32px;
            font-weight: 800;
            color: var(--accent);
            font-variant-numeric: tabular-nums;
            line-height: 1;
            display: block;
        }

        .countdown-digit-box .unit {
            font-size: 11px;
            color: rgba(255, 255, 255, 0.5);
            margin-top: 4px;
        }

        .countdown-widget .flash-title {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }

        .countdown-widget .flash-desc {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.6;
            margin-bottom: 16px;
        }

        .countdown-widget .flash-price-row {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }

        .countdown-widget .price-now {
            font-size: 28px;
            font-weight: 800;
            color: var(--orange);
        }

        .countdown-widget .price-original {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.4);
            text-decoration: line-through;
        }

        .countdown-widget .flash-tag {
            font-size: 11px;
            font-weight: 700;
            background: var(--orange);
            color: #fff;
            padding: 3px 10px;
            border-radius: 20px;
            letter-spacing: 0.04em;
        }

        .btn-flash {
            width: 100%;
            background: var(--orange);
            color: #fff;
            font-weight: 700;
            padding: 14px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            letter-spacing: 0.03em;
            transition: var(--transition);
        }

        .btn-flash:hover {
            background: #E65100;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(255, 109, 0, 0.35);
        }

        /* 板块通用 */
        .section-block {
            padding: 56px 0;
        }

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

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.1em;
            text-transform: uppercase;
            color: var(--accent);
            margin-bottom: 12px;
        }

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

        .section-title {
            font-size: 28px;
            font-weight: 800;
            color: var(--ink);
            letter-spacing: -0.02em;
            line-height: 1.3;
            margin: 0;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--muted);
            line-height: 1.7;
            margin-top: 12px;
            max-width: 640px;
        }

        /* 数据指标 */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
        }

        .metric-card {
            background: var(--white);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            border: 1px solid var(--line);
            box-shadow: var(--shadow-card);
            text-align: center;
            transition: var(--transition);
        }

        .metric-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--accent);
        }

        .metric-value {
            font-size: 36px;
            font-weight: 800;
            color: var(--brand);
            line-height: 1.2;
            font-variant-numeric: tabular-nums;
            letter-spacing: -0.03em;
        }

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

        .metric-value.orange {
            color: var(--orange);
        }

        .metric-label {
            font-size: 13px;
            color: var(--faint);
            margin-top: 6px;
            font-weight: 500;
        }

        /* 内容卡片列表 */
        .content-card-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

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

        .content-card-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--accent);
        }

        .content-card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            background: #e0e0d8;
        }

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

        .content-card-date {
            font-size: 12px;
            color: var(--faint);
            font-weight: 500;
            letter-spacing: 0.04em;
            font-variant-numeric: tabular-nums;
            margin-bottom: 8px;
        }

        .content-card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--ink);
            line-height: 1.4;
            margin-bottom: 10px;
            transition: var(--transition);
        }

        .content-card-item:hover .content-card-title {
            color: var(--accent);
        }

        .content-card-summary {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.65;
            margin-bottom: 16px;
            flex: 1;
        }

        .content-card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--brand);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }

        .content-card-link:hover {
            color: var(--accent);
            gap: 10px;
        }

        .content-card-tag {
            display: inline-block;
            font-size: 11px;
            font-weight: 600;
            background: rgba(0, 230, 118, 0.1);
            color: #00B050;
            padding: 3px 10px;
            border-radius: 20px;
            margin-bottom: 10px;
            letter-spacing: 0.03em;
        }

        /* 深色正文区 */
        .deep-content-dark {
            background: var(--brand);
            border-radius: 20px;
            padding: 48px 40px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .deep-content-dark::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(0, 230, 118, 0.06) 0%, transparent 70%);
        }

        .deep-content-dark h2 {
            font-size: 24px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.01em;
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }

        .deep-content-dark p {
            font-size: 15px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }

        .deep-content-dark .highlight-text {
            color: var(--accent);
            font-weight: 600;
        }

        /* 浅色正文区 */
        .deep-content-light {
            background: var(--white);
            border-radius: 20px;
            padding: 48px 40px;
            border: 1px solid var(--line);
            box-shadow: var(--shadow-card);
        }

        .deep-content-light h2 {
            font-size: 24px;
            font-weight: 800;
            color: var(--ink);
            letter-spacing: -0.01em;
            margin-bottom: 16px;
        }

        .deep-content-light p {
            font-size: 15px;
            line-height: 1.8;
            color: var(--muted);
            margin-bottom: 16px;
        }

        .deep-content-light .highlight-text {
            color: var(--orange);
            font-weight: 600;
        }

        /* 图文双栏 */
        .split-section {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
        }

        .split-section .split-image {
            border-radius: var(--radius-image);
            overflow: hidden;
            box-shadow: var(--shadow-hover);
            height: 100%;
            min-height: 300px;
            object-fit: cover;
            background: #d8d8d0;
        }

        .split-section .split-text h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 14px;
            line-height: 1.35;
        }

        .split-section .split-text p {
            font-size: 15px;
            color: var(--muted);
            line-height: 1.75;
            margin-bottom: 14px;
        }

        /* 适用场景 */
        .scene-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .scene-card {
            background: var(--white);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            border: 1px solid var(--line);
            transition: var(--transition);
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }

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

        .scene-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(0, 230, 118, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            flex-shrink: 0;
        }

        .scene-card h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--ink);
            margin: 0 0 8px;
        }

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

        /* 流程图 */
        .flow-section {
            background: var(--white);
            border-radius: 20px;
            padding: 40px 32px;
            border: 1px solid var(--line);
            box-shadow: var(--shadow-card);
        }

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

        .flow-step {
            text-align: center;
            position: relative;
        }

        .flow-step:not(:last-child)::after {
            content: '→';
            position: absolute;
            right: -16px;
            top: 32px;
            font-size: 20px;
            color: var(--faint);
        }

        .flow-step .step-number {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: var(--brand);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            font-weight: 800;
            margin: 0 auto 14px;
            border: 2px solid rgba(0, 230, 118, 0.3);
        }

        .flow-step h5 {
            font-size: 15px;
            font-weight: 700;
            color: var(--ink);
            margin: 0 0 6px;
        }

        .flow-step p {
            font-size: 13px;
            color: var(--muted);
            line-height: 1.6;
            margin: 0;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
        }

        .faq-item {
            background: var(--white);
            border-radius: 12px;
            border: 1px solid var(--line);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(0, 230, 118, 0.4);
        }

        .faq-item.open {
            border-color: var(--accent);
            box-shadow: var(--shadow-card);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 20px;
            font-size: 15px;
            font-weight: 600;
            color: var(--ink);
            text-align: left;
            transition: var(--transition);
            gap: 12px;
        }

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

        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(0, 230, 118, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: var(--accent);
            flex-shrink: 0;
            transition: var(--transition);
        }

        .faq-item.open .faq-question .faq-icon {
            background: var(--accent);
            color: var(--brand);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.3s ease;
            padding: 0 20px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }

        .faq-answer p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
            margin: 0;
        }

        /* CTA 表单 */
        .cta-section {
            background: var(--brand);
            border-radius: 20px;
            padding: 48px 40px;
            display: grid;
            grid-template-columns: 0.8fr 1.2fr;
            gap: 40px;
            align-items: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(0, 230, 118, 0.08) 0%, transparent 70%);
        }

        .cta-section .cta-info h3 {
            font-size: 24px;
            font-weight: 800;
            color: #fff;
            margin: 0 0 12px;
            letter-spacing: -0.01em;
            position: relative;
            z-index: 1;
        }

        .cta-section .cta-info p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.7;
            margin: 0 0 8px;
            position: relative;
            z-index: 1;
        }

        .cta-form {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px;
            position: relative;
            z-index: 1;
        }

        .cta-form .form-field {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .cta-form .form-field.full {
            grid-column: span 2;
        }

        .cta-form label {
            font-size: 12px;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.65);
            letter-spacing: 0.03em;
        }

        .cta-form input,
        .cta-form select,
        .cta-form textarea {
            background: #fff;
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-btn);
            padding: 12px 14px;
            font-size: 14px;
            color: var(--ink);
            font-family: inherit;
            transition: var(--transition);
            width: 100%;
        }

        .cta-form input:focus,
        .cta-form select:focus,
        .cta-form textarea:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(0, 230, 118, 0.15);
        }

        .cta-form input::placeholder,
        .cta-form textarea::placeholder {
            color: #aaa;
        }

        .cta-form select {
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%235A5A5A' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 12px center;
            padding-right: 36px;
        }

        .cta-form textarea {
            resize: vertical;
            min-height: 80px;
        }

        .cta-form .btn-submit {
            grid-column: span 2;
            background: var(--accent);
            color: var(--brand);
            font-weight: 700;
            padding: 14px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            transition: var(--transition);
            letter-spacing: 0.02em;
        }

        .cta-form .btn-submit:hover {
            background: #00C853;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(0, 230, 118, 0.3);
        }

        /* 页脚 */
        .site-footer {
            background: var(--brand);
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 0;
            margin-top: 48px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.3fr 0.8fr 0.8fr 1fr;
            gap: 32px;
            padding-bottom: 36px;
        }

        .footer-brand {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            margin-bottom: 12px;
        }

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

        .footer-col p {
            font-size: 13px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.5);
            margin: 0 0 6px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 14px;
            letter-spacing: 0.03em;
        }

        .footer-col a {
            display: block;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 8px;
            transition: var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom .beian {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 12px;
            transition: var(--transition);
        }

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

        /* 响应式 */
        @media (max-width: 1024px) {
            .sidebar-nav {
                display: none;
            }
            .main-wrap {
                margin-left: 0;
                padding-top: 60px;
            }
            .mobile-header {
                display: flex;
            }
            .mobile-nav-overlay,
            .mobile-nav-drawer {
                display: block;
            }
            .mobile-nav-overlay {
                display: none;
            }
            .mobile-nav-overlay.open {
                display: block;
            }
            .mobile-nav-drawer {
                display: block;
            }
            .metrics-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .content-card-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .esports-hero-content {
                grid-template-columns: 1fr;
                padding: 40px 32px 36px;
            }
            .flow-steps {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px;
            }
            .flow-step:not(:last-child)::after {
                display: none;
            }
            .cta-section {
                grid-template-columns: 1fr;
                padding: 36px 28px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .section-block {
                padding: 40px 0;
            }
            .section-title {
                font-size: 24px;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .content-card-list {
                grid-template-columns: 1fr;
            }
            .split-section {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .split-section .split-image {
                min-height: 220px;
                order: -1;
            }
            .scene-grid {
                grid-template-columns: 1fr;
            }
            .flow-steps {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .cta-form {
                grid-template-columns: 1fr;
            }
            .cta-form .form-field.full,
            .cta-form .btn-submit {
                grid-column: span 1;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .esports-hero-left h1 {
                font-size: 28px;
            }
            .esports-hero-content {
                padding: 32px 20px 28px;
            }
            .countdown-digits {
                gap: 6px;
            }
            .countdown-digit-box .digit {
                font-size: 24px;
            }
            .deep-content-dark,
            .deep-content-light {
                padding: 32px 24px;
            }
        }

        @media (max-width: 520px) {
            .container-custom {
                padding: 0 16px;
            }
            .esports-hero-left h1 {
                font-size: 24px;
            }
            .hero-cta-row {
                flex-direction: column;
                gap: 10px;
            }
            .btn-primary,
            .btn-secondary,
            .btn-orange,
            .btn-flash {
                width: 100%;
                justify-content: center;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .metric-value {
                font-size: 28px;
            }
            .countdown-widget {
                padding: 16px 14px;
            }
            .countdown-widget .price-now {
                font-size: 22px;
            }
        }

/* roulang page: category5 */
:root {
            --brand: #121212;
            --accent: #00E676;
            --orange: #FF6D00;
            --paper: #F5F5F0;
            --white: #FFFFFF;
            --ink: #1A1A1A;
            --muted: #5A5A5A;
            --faint: #8A8A8A;
            --line: #E5E5DE;
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-image: 14px;
            --radius-badge: 6px;
            --shadow-card: 0 1px 3px rgba(18, 18, 18, 0.06), 0 1px 2px rgba(18, 18, 18, 0.04);
            --shadow-hover: 0 12px 24px rgba(18, 18, 18, 0.10), 0 4px 8px rgba(18, 18, 18, 0.06);
            --sidebar-width: 260px;
            --transition: all 0.25s ease;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: 'Inter', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            background-color: var(--paper);
            color: var(--ink);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: 4px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            transition: var(--transition);
        }
        .sidebar-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--brand);
            z-index: 1000;
            display: flex;
            flex-direction: column;
            box-shadow: 2px 0 12px rgba(0, 0, 0, 0.2);
            overflow-y: auto;
            overflow-x: hidden;
        }
        .sidebar-brand {
            padding: 32px 20px 24px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            flex-shrink: 0;
        }
        .sidebar-brand .brand-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: linear-gradient(135deg, #1a1a1a, #2d2d2d);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 12px;
            border: 1px solid rgba(0, 230, 118, 0.3);
        }
        .sidebar-brand .brand-icon svg {
            width: 22px;
            height: 22px;
            fill: none;
            stroke: var(--accent);
            stroke-width: 2;
        }
        .sidebar-brand .brand-name {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            line-height: 1.2;
        }
        .sidebar-brand .brand-name span {
            color: var(--accent);
        }
        .sidebar-nav-list {
            list-style: none;
            margin: 0;
            padding: 16px 12px;
            flex: 1;
            overflow-y: auto;
        }
        .sidebar-nav-list li {
            margin-bottom: 6px;
        }
        .sidebar-nav-list a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 11px 14px;
            border-radius: 10px;
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            font-weight: 500;
            letter-spacing: 0.02em;
            position: relative;
            border-left: 3px solid transparent;
            transition: var(--transition);
        }
        .sidebar-nav-list a:hover {
            color: var(--accent);
            background: rgba(255, 255, 255, 0.05);
            transform: translateX(4px);
            border-left-color: rgba(0, 230, 118, 0.4);
        }
        .sidebar-nav-list a.active {
            color: #fff;
            background: rgba(0, 230, 118, 0.1);
            border-left-color: var(--accent);
            font-weight: 600;
        }
        .sidebar-nav-list a .nav-num {
            font-size: 11px;
            color: var(--faint);
            font-weight: 500;
            min-width: 16px;
            text-align: center;
            transition: var(--transition);
        }
        .sidebar-nav-list a:hover .nav-num,
        .sidebar-nav-list a.active .nav-num {
            color: var(--accent);
        }
        .sidebar-bottom {
            padding: 12px 20px 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            flex-shrink: 0;
        }
        .sidebar-bottom .social-row {
            display: flex;
            gap: 12px;
            margin-bottom: 14px;
        }
        .sidebar-bottom .social-row a {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.5);
            font-size: 12px;
            font-weight: 600;
            transition: var(--transition);
        }
        .sidebar-bottom .social-row a:hover {
            background: rgba(0, 230, 118, 0.15);
            color: var(--accent);
        }
        .sidebar-search {
            width: 100%;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 8px;
            padding: 8px 12px;
            color: #fff;
            font-size: 13px;
            transition: var(--transition);
        }
        .sidebar-search::placeholder {
            color: rgba(255, 255, 255, 0.35);
        }
        .sidebar-search:focus {
            border-color: var(--accent);
            background: rgba(255, 255, 255, 0.09);
            outline: none;
        }
        .main-wrap {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: var(--brand);
            z-index: 999;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
        }
        .mobile-brand {
            font-size: 18px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.01em;
        }
        .mobile-brand span {
            color: var(--accent);
        }
        .hamburger-btn {
            display: flex;
            flex-direction: column;
            gap: 5px;
            padding: 6px;
            background: none;
            border: none;
        }
        .hamburger-btn .line {
            width: 22px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: var(--transition);
            display: block;
        }
        .hamburger-btn:hover .line {
            background: var(--accent);
        }
        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: 60px;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(18, 18, 18, 0.98);
            z-index: 998;
            padding: 20px 16px;
            overflow-y: auto;
        }
        .mobile-nav-overlay.open {
            display: block;
        }
        .mobile-nav-overlay ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .mobile-nav-overlay li {
            margin-bottom: 4px;
        }
        .mobile-nav-overlay a {
            display: block;
            padding: 14px 16px;
            color: rgba(255, 255, 255, 0.75);
            font-size: 15px;
            font-weight: 500;
            border-radius: 10px;
            border-left: 3px solid transparent;
            transition: var(--transition);
        }
        .mobile-nav-overlay a:hover,
        .mobile-nav-overlay a.active {
            color: #fff;
            background: rgba(0, 230, 118, 0.1);
            border-left-color: var(--accent);
        }
        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .section-pad {
            padding-top: 72px;
            padding-bottom: 72px;
        }
        .hero-live {
            background: linear-gradient(135deg, #0d0d0d 0%, #1a1a1a 55%, #1f2a1f 100%);
            position: relative;
            overflow: hidden;
            min-height: 520px;
            display: flex;
            align-items: center;
            color: #fff;
        }
        .hero-live::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 55%;
            height: 100%;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.4;
            mask-image: linear-gradient(to left, rgba(0, 0, 0, 0.9), transparent);
            -webkit-mask-image: linear-gradient(to left, rgba(0, 0, 0, 0.9), transparent);
        }
        .hero-live::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -100px;
            width: 400px;
            height: 300px;
            background: radial-gradient(circle, rgba(0, 230, 118, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }
        .hero-live .hero-content {
            position: relative;
            z-index: 2;
        }
        .breadcrumb-live {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
            margin-bottom: 24px;
        }
        .breadcrumb-live a:hover {
            color: var(--accent);
        }
        .breadcrumb-live .sep {
            color: rgba(255, 255, 255, 0.25);
        }
        .breadcrumb-live .current {
            color: var(--accent);
            font-weight: 500;
        }
        .hero-live h1 {
            font-size: 42px;
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.2;
            margin: 0 0 16px;
            max-width: 600px;
        }
        .hero-live h1 span {
            color: var(--accent);
        }
        .hero-live .sub-desc {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.65);
            max-width: 520px;
            line-height: 1.75;
            margin-bottom: 28px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.02em;
            transition: var(--transition);
            border: 1px solid transparent;
        }
        .btn-primary {
            background: var(--accent);
            color: #121212;
        }
        .btn-primary:hover {
            background: #00C853;
            transform: translateY(-2px);
            box-shadow: 0 8px 16px rgba(0, 230, 118, 0.35);
        }
        .btn-outline-light {
            background: transparent;
            border-color: rgba(255, 255, 255, 0.4);
            color: #fff;
        }
        .btn-outline-light:hover {
            background: #fff;
            color: #121212;
            border-color: #fff;
            transform: translateY(-2px);
        }
        .btn-orange {
            background: var(--orange);
            color: #fff;
        }
        .btn-orange:hover {
            background: #E65100;
            transform: translateY(-2px);
            box-shadow: 0 8px 16px rgba(255, 109, 0, 0.35);
        }
        .card-live {
            background: var(--white);
            border-radius: var(--radius-card);
            border: 1px solid var(--line);
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            overflow: hidden;
        }
        .card-live:hover {
            box-shadow: var(--shadow-hover);
            border-color: rgba(0, 230, 118, 0.5);
            transform: translateY(-2px);
        }
        .card-live .card-img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            background: #e8e8e3;
        }
        .card-live .card-body {
            padding: 20px 22px;
        }
        .card-live .card-tag {
            display: inline-block;
            background: rgba(0, 230, 118, 0.12);
            color: #008a4c;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: var(--radius-badge);
            margin-bottom: 10px;
        }
        .card-live .card-tag.orange {
            background: rgba(255, 109, 0, 0.12);
            color: #c45200;
        }
        .card-live h3 {
            font-size: 18px;
            font-weight: 600;
            line-height: 1.35;
            margin: 0 0 8px;
            color: var(--ink);
        }
        .card-live p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.65;
            margin: 0 0 14px;
        }
        .card-live .link-more {
            font-size: 13px;
            font-weight: 600;
            color: #008a4c;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .card-live .link-more:hover {
            color: var(--accent);
            gap: 10px;
        }
        .stat-bar-live {
            background: #0d0d0d;
            border-radius: var(--radius-card);
            padding: 28px 32px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            border: 1px solid rgba(255, 255, 255, 0.06);
        }
        .stat-item .stat-num {
            font-size: 40px;
            font-weight: 800;
            color: var(--accent);
            letter-spacing: -0.01em;
            line-height: 1;
        }
        .stat-item .stat-label {
            font-size: 13px;
            color: var(--faint);
            margin-top: 8px;
            font-weight: 500;
        }
        .content-block {
            background: var(--white);
            border-radius: var(--radius-card);
            border: 1px solid var(--line);
            padding: 36px 40px;
            box-shadow: var(--shadow-card);
        }
        .content-block h2 {
            font-size: 26px;
            font-weight: 700;
            letter-spacing: -0.01em;
            line-height: 1.3;
            margin: 0 0 18px;
            color: var(--ink);
        }
        .content-block h3 {
            font-size: 19px;
            font-weight: 600;
            line-height: 1.4;
            margin: 28px 0 12px;
            color: var(--ink);
        }
        .content-block p {
            font-size: 15px;
            color: var(--muted);
            line-height: 1.8;
            margin: 0 0 16px;
        }
        .content-block p strong {
            color: var(--ink);
            font-weight: 600;
        }
        .timeline-live {
            position: relative;
            padding-left: 28px;
        }
        .timeline-live::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 6px;
            bottom: 6px;
            width: 2px;
            background: #e0e0da;
        }
        .timeline-item {
            position: relative;
            padding-bottom: 28px;
        }
        .timeline-item:last-child {
            padding-bottom: 0;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -25px;
            top: 5px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--white);
            border: 3px solid var(--accent);
        }
        .timeline-item .tl-time {
            font-size: 13px;
            font-weight: 600;
            color: #008a4c;
            letter-spacing: 0.03em;
        }
        .timeline-item .tl-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--ink);
            margin: 4px 0 4px;
        }
        .timeline-item .tl-desc {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
        }
        .faq-item {
            border-bottom: 1px solid var(--line);
            padding: 16px 0;
        }
        .faq-item:first-child {
            padding-top: 0;
        }
        .faq-item:last-child {
            border-bottom: none;
        }
        .faq-item .faq-q {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-size: 16px;
            font-weight: 600;
            color: var(--ink);
            padding: 0;
            text-align: left;
            width: 100%;
        }
        .faq-item .faq-q .icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: rgba(0, 230, 118, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: #008a4c;
            font-weight: 700;
            transition: var(--transition);
        }
        .faq-item .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding-top 0.3s ease;
            font-size: 14px;
            color: var(--muted);
            line-height: 1.75;
            padding-top: 0;
        }
        .faq-item.open .faq-a {
            max-height: 400px;
            padding-top: 10px;
        }
        .faq-item.open .faq-q .icon {
            background: var(--accent);
            color: #121212;
        }
        .form-live {
            background: #0d0d0d;
            border-radius: var(--radius-card);
            padding: 40px 44px;
            display: grid;
            grid-template-columns: 1fr 1.4fr;
            gap: 40px;
            align-items: center;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.08);
        }
        .form-live .form-intro h3 {
            font-size: 24px;
            font-weight: 700;
            line-height: 1.3;
            margin: 0 0 12px;
            color: #fff;
        }
        .form-live .form-intro p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
        }
        .form-input {
            width: 100%;
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-btn);
            padding: 12px 16px;
            color: #fff;
            font-size: 14px;
            transition: var(--transition);
            font-family: inherit;
        }
        .form-input::placeholder {
            color: rgba(255, 255, 255, 0.35);
        }
        .form-input:focus {
            border-color: var(--accent);
            outline: none;
            background: rgba(255, 255, 255, 0.1);
        }
        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .site-footer {
            background: #0d0d0d;
            color: rgba(255, 255, 255, 0.65);
            padding: 56px 0 28px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.3fr;
            gap: 32px;
            margin-bottom: 36px;
        }
        .footer-brand {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .footer-brand span {
            color: var(--accent);
        }
        .footer-col p {
            font-size: 13px;
            line-height: 1.7;
            margin: 0 0 12px;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 14px;
            letter-spacing: 0.03em;
        }
        .footer-col a {
            display: block;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
            margin-bottom: 8px;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--accent);
            transform: translateX(4px);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom .beian {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            letter-spacing: -0.01em;
            line-height: 1.3;
            margin: 0 0 12px;
            color: var(--ink);
        }
        .section-sub {
            font-size: 15px;
            color: var(--muted);
            line-height: 1.7;
            margin: 0 0 32px;
            max-width: 700px;
        }
        @media (max-width: 1024px) {
            .sidebar-nav {
                display: none;
            }
            .mobile-header {
                display: flex;
            }
            .main-wrap {
                margin-left: 0;
                padding-top: 60px;
            }
            .hero-live {
                min-height: 420px;
            }
            .hero-live h1 {
                font-size: 32px;
            }
            .stat-bar-live {
                grid-template-columns: repeat(2, 1fr);
            }
            .form-live {
                grid-template-columns: 1fr;
                gap: 24px;
                padding: 28px 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .container-custom {
                padding: 0 16px;
            }
            .section-pad {
                padding-top: 56px;
                padding-bottom: 56px;
            }
            .hero-live h1 {
                font-size: 28px;
            }
            .hero-live .sub-desc {
                font-size: 14px;
            }
            .content-block {
                padding: 24px 20px;
            }
            .content-block h2 {
                font-size: 22px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .form-row {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 640px) {
            .hero-live h1 {
                font-size: 24px;
            }
            .stat-bar-live {
                grid-template-columns: 1fr 1fr;
                padding: 20px;
            }
            .stat-item .stat-num {
                font-size: 32px;
            }
            .section-title {
                font-size: 22px;
            }
            .btn {
                padding: 10px 18px;
                font-size: 13px;
                width: 100%;
                justify-content: center;
            }
            .hero-live .hero-content .button-row {
                flex-direction: column;
                gap: 10px;
                width: 100%;
            }
        }
        .active-nav-indicator {
            display: none;
        }
        .button-row {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .overflow-x-auto-custom {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: var(--accent) transparent;
        }
        .overflow-x-auto-custom::-webkit-scrollbar {
            height: 4px;
        }
        .overflow-x-auto-custom::-webkit-scrollbar-track {
            background: transparent;
        }
        .overflow-x-auto-custom::-webkit-scrollbar-thumb {
            background: rgba(0, 230, 118, 0.4);
            border-radius: 4px;
        }
        .min-w-cards {
            min-width: 280px;
        }
        .bg-dark-panel {
            background: #0d0d0d;
            color: #fff;
        }
        .text-accent {
            color: var(--accent);
        }
        .text-orange {
            color: var(--orange);
        }

/* roulang page: category6 */
:root {
            --brand: #121212;
            --accent: #00E676;
            --orange: #FF6D00;
            --paper: #F5F5F0;
            --white: #FFFFFF;
            --ink: #1A1A1A;
            --muted: #5A5A5A;
            --faint: #8A8A8A;
            --line: #E5E5DE;
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-image: 14px;
            --radius-badge: 6px;
            --shadow-card: 0 1px 3px rgba(18, 18, 18, 0.06), 0 1px 2px rgba(18, 18, 18, 0.04);
            --shadow-hover: 0 12px 24px rgba(18, 18, 18, 0.10), 0 4px 8px rgba(18, 18, 18, 0.06);
            --sidebar-width: 260px;
            --transition: all 0.25s ease;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: 'Inter', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            background-color: var(--paper);
            color: var(--ink);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

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

        .sidebar-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--brand);
            z-index: 1000;
            display: flex;
            flex-direction: column;
            box-shadow: 2px 0 12px rgba(0, 0, 0, 0.2);
            overflow-y: auto;
            overflow-x: hidden;
        }

        .sidebar-brand {
            padding: 32px 20px 24px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            flex-shrink: 0;
        }

        .sidebar-brand .brand-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: linear-gradient(135deg, #1a1a1a, #2d2d2d);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 12px;
            border: 1px solid rgba(0, 230, 118, 0.3);
            font-weight: 800;
            color: var(--accent);
            font-size: 16px;
            letter-spacing: -0.02em;
        }

        .sidebar-brand .brand-name {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            line-height: 1.2;
        }

        .sidebar-brand .brand-name span {
            color: var(--accent);
        }

        .sidebar-nav-list {
            list-style: none;
            margin: 0;
            padding: 16px 12px;
            flex: 1;
            overflow-y: auto;
        }

        .sidebar-nav-list li {
            margin-bottom: 6px;
        }

        .sidebar-nav-list a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 11px 14px;
            border-radius: 10px;
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            font-weight: 500;
            letter-spacing: 0.02em;
            position: relative;
            border-left: 3px solid transparent;
            transition: var(--transition);
        }

        .sidebar-nav-list a:hover {
            color: var(--accent);
            background: rgba(255, 255, 255, 0.05);
            transform: translateX(4px);
            border-left-color: rgba(0, 230, 118, 0.4);
        }

        .sidebar-nav-list a.active {
            color: #fff;
            background: rgba(0, 230, 118, 0.1);
            border-left-color: var(--accent);
            font-weight: 600;
        }

        .sidebar-nav-list a .nav-num {
            font-size: 11px;
            color: var(--faint);
            font-weight: 500;
            min-width: 16px;
            text-align: center;
            transition: var(--transition);
        }

        .sidebar-nav-list a:hover .nav-num,
        .sidebar-nav-list a.active .nav-num {
            color: var(--accent);
        }

        .sidebar-bottom {
            padding: 16px 20px 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            flex-shrink: 0;
        }

        .sidebar-bottom .social-row {
            display: flex;
            gap: 12px;
            margin-bottom: 14px;
        }

        .sidebar-bottom .social-row a {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.5);
            font-size: 14px;
            transition: var(--transition);
        }

        .sidebar-bottom .social-row a:hover {
            background: rgba(0, 230, 118, 0.15);
            color: var(--accent);
        }

        .sidebar-search {
            width: 100%;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 8px;
            padding: 8px 12px;
            color: #fff;
            font-size: 13px;
            transition: var(--transition);
        }

        .sidebar-search::placeholder {
            color: rgba(255, 255, 255, 0.35);
        }

        .sidebar-search:focus {
            border-color: var(--accent);
            background: rgba(255, 255, 255, 0.09);
            outline: none;
        }

        .main-wrap {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: var(--brand);
            z-index: 999;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
        }

        .mobile-brand {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
        }

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

        .hamburger-btn {
            display: flex;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            background: none;
            border: none;
            cursor: pointer;
        }

        .hamburger-btn .line {
            display: block;
            width: 24px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: var(--transition);
        }

        .hamburger-btn.active .line:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .hamburger-btn.active .line:nth-child(2) {
            opacity: 0;
        }

        .hamburger-btn.active .line:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-menu-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 998;
        }

        .mobile-menu-overlay.show {
            display: block;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--accent);
            color: var(--brand);
            font-weight: 600;
            font-size: 15px;
            padding: 14px 28px;
            border-radius: var(--radius-btn);
            transition: var(--transition);
            border: 2px solid var(--accent);
        }

        .btn-primary:hover {
            background: #00C853;
            border-color: #00C853;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(0, 230, 118, 0.25);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--brand);
            font-weight: 600;
            font-size: 15px;
            padding: 14px 28px;
            border-radius: var(--radius-btn);
            transition: var(--transition);
            border: 2px solid var(--brand);
        }

        .btn-secondary:hover {
            background: var(--brand);
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-orange {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--orange);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 14px 28px;
            border-radius: var(--radius-btn);
            transition: var(--transition);
            border: 2px solid var(--orange);
        }

        .btn-orange:hover {
            background: #E65100;
            border-color: #E65100;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(255, 109, 0, 0.3);
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 14px 28px;
            border-radius: var(--radius-btn);
            transition: var(--transition);
            border: 2px solid rgba(255, 255, 255, 0.5);
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            transform: translateY(-2px);
        }

        .card-basic {
            background: var(--white);
            border-radius: var(--radius-card);
            border: 1px solid var(--line);
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            overflow: hidden;
        }

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

        .badge {
            display: inline-block;
            font-size: 12px;
            font-weight: 500;
            padding: 4px 10px;
            border-radius: var(--radius-badge);
            line-height: 1.2;
            letter-spacing: 0.02em;
        }

        .badge-accent {
            background: rgba(0, 230, 118, 0.15);
            color: #00A856;
        }

        .badge-orange {
            background: rgba(255, 109, 0, 0.12);
            color: #E65100;
        }

        .badge-dark {
            background: rgba(18, 18, 18, 0.06);
            color: var(--muted);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.6);
            transition: var(--transition);
        }

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

        .breadcrumb .separator {
            color: rgba(255, 255, 255, 0.3);
            user-select: none;
        }

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

        .section-title {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.25;
            letter-spacing: -0.01em;
            color: var(--ink);
            margin: 0 0 8px 0;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--muted);
            line-height: 1.6;
            margin: 0;
        }

        .section-header {
            margin-bottom: 32px;
        }

        .ranking-hero {
            position: relative;
            padding: 80px 0 64px;
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            color: #fff;
            overflow: hidden;
        }

        .ranking-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to right, rgba(18, 18, 18, 0.92) 0%, rgba(18, 18, 18, 0.75) 50%, rgba(18, 18, 18, 0.45) 100%);
        }

        .ranking-hero .hero-content {
            position: relative;
            z-index: 2;
            max-width: 700px;
        }

        .ranking-hero h1 {
            font-size: 40px;
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: -0.02em;
            margin: 0 0 16px 0;
        }

        .ranking-hero h1 .highlight {
            color: var(--accent);
        }

        .ranking-hero .hero-desc {
            font-size: 16px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.8);
            margin: 0 0 28px 0;
            max-width: 580px;
        }

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

        .time-slots {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            margin-top: 20px;
        }

        .time-slot {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 10px;
            padding: 10px 16px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.85);
            display: flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
            cursor: pointer;
        }

        .time-slot:hover {
            background: rgba(0, 230, 118, 0.15);
            border-color: var(--accent);
            color: #fff;
        }

        .time-slot .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent);
            flex-shrink: 0;
        }

        .stat-strip {
            background: var(--brand);
            padding: 40px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .stat-strip .stat-item {
            text-align: center;
            padding: 0 16px;
        }

        .stat-strip .stat-number {
            font-size: 44px;
            font-weight: 800;
            color: var(--accent);
            letter-spacing: -0.02em;
            line-height: 1.1;
            margin-bottom: 6px;
            font-variant-numeric: tabular-nums;
        }

        .stat-strip .stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            letter-spacing: 0.03em;
        }

        .content-section {
            padding: 72px 0;
        }

        .content-section.alt-bg {
            background: var(--white);
        }

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

        .ranking-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .ranking-grid.mixed-layout {
            grid-template-columns: 1.2fr 0.8fr;
            gap: 24px;
        }

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

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

        .ranking-card .card-cover {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
            background: #E8E8E0;
        }

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

        .ranking-card .card-cover .rank-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--brand);
            color: var(--accent);
            font-weight: 700;
            font-size: 13px;
            padding: 6px 12px;
            border-radius: 8px;
            letter-spacing: 0.02em;
        }

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

        .ranking-card .card-tag-row {
            display: flex;
            gap: 8px;
            margin-bottom: 10px;
            flex-wrap: wrap;
        }

        .ranking-card h3 {
            font-size: 19px;
            font-weight: 600;
            line-height: 1.35;
            margin: 0 0 8px 0;
            color: var(--ink);
        }

        .ranking-card .card-summary {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.65;
            margin: 0 0 16px 0;
            flex: 1;
        }

        .ranking-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--brand);
            transition: var(--transition);
        }

        .ranking-card:hover .card-link {
            color: var(--accent);
            gap: 10px;
        }

        .ranking-card .date-label {
            font-size: 12px;
            color: var(--faint);
            letter-spacing: 0.03em;
            margin-bottom: 8px;
        }

        .rank-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .rank-list-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--white);
            border-radius: 12px;
            border: 1px solid var(--line);
            padding: 14px 18px;
            transition: var(--transition);
        }

        .rank-list-item:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-hover);
            transform: translateX(4px);
        }

        .rank-list-item .rank-number {
            font-size: 24px;
            font-weight: 800;
            color: var(--brand);
            min-width: 40px;
            text-align: center;
            letter-spacing: -0.03em;
            font-variant-numeric: tabular-nums;
        }

        .rank-list-item .rank-number.top {
            color: var(--accent);
        }

        .rank-list-item .rank-info {
            flex: 1;
        }

        .rank-list-item .rank-info h4 {
            font-size: 15px;
            font-weight: 600;
            margin: 0 0 4px 0;
            color: var(--ink);
        }

        .rank-list-item .rank-info p {
            font-size: 13px;
            color: var(--muted);
            margin: 0;
            line-height: 1.5;
        }

        .rank-list-item .rank-change {
            font-size: 13px;
            font-weight: 600;
            white-space: nowrap;
        }

        .rank-list-item .rank-change.up {
            color: #00A856;
        }

        .rank-list-item .rank-change.down {
            color: #E53935;
        }

        .deep-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .deep-content .content-image {
            border-radius: var(--radius-image);
            overflow: hidden;
            aspect-ratio: 4/3;
            background: #E8E8E0;
        }

        .deep-content .content-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .deep-content .text-block h3 {
            font-size: 24px;
            font-weight: 700;
            line-height: 1.3;
            margin: 0 0 16px 0;
            color: var(--ink);
        }

        .deep-content .text-block p {
            font-size: 15px;
            line-height: 1.8;
            color: var(--muted);
            margin: 0 0 16px 0;
        }

        .comparison-block {
            background: var(--brand);
            border-radius: var(--radius-card);
            padding: 40px;
            color: #fff;
        }

        .comparison-block h3 {
            font-size: 24px;
            font-weight: 700;
            margin: 0 0 24px 0;
            color: #fff;
        }

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

        .comparison-col {
            background: rgba(255, 255, 255, 0.05);
            border-radius: 12px;
            padding: 24px;
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        .comparison-col h4 {
            font-size: 16px;
            font-weight: 600;
            margin: 0 0 16px 0;
            color: var(--accent);
        }

        .comparison-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .comparison-col ul li {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
            display: flex;
            align-items: flex-start;
            gap: 8px;
            line-height: 1.5;
        }

        .comparison-col ul li .icon {
            width: 20px;
            height: 20px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            flex-shrink: 0;
            margin-top: 2px;
        }

        .comparison-col ul li .icon.check {
            background: rgba(0, 230, 118, 0.15);
            color: var(--accent);
        }

        .comparison-col ul li .icon.x {
            background: rgba(229, 57, 53, 0.15);
            color: #EF5350;
        }

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

        .faq-item {
            background: var(--white);
            border-radius: 12px;
            border: 1px solid var(--line);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: #d0d0c8;
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--ink);
            transition: var(--transition);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
        }

        .faq-question:hover {
            color: #00A856;
        }

        .faq-question .faq-icon {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: rgba(18, 18, 18, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 600;
            flex-shrink: 0;
            transition: var(--transition);
        }

        .faq-item.open .faq-question .faq-icon {
            background: rgba(0, 230, 118, 0.15);
            color: #00A856;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            padding: 0 22px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 20px;
        }

        .faq-answer p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--muted);
            margin: 0;
        }

        .cta-section {
            background: var(--brand);
            padding: 64px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(0, 230, 118, 0.06) 0%, transparent 50%);
        }

        .cta-section .cta-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 2;
        }

        .cta-section .cta-text h3 {
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 12px 0;
            line-height: 1.3;
        }

        .cta-section .cta-text p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.7;
            margin: 0;
            max-width: 480px;
        }

        .cta-form-wrapper {
            background: var(--white);
            border-radius: var(--radius-card);
            padding: 32px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
        }

        .cta-form-wrapper h4 {
            font-size: 18px;
            font-weight: 700;
            color: var(--ink);
            margin: 0 0 20px 0;
        }

        .form-group {
            margin-bottom: 16px;
        }

        .form-group label {
            display: block;
            font-size: 13px;
            font-weight: 500;
            color: var(--muted);
            margin-bottom: 6px;
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            background: var(--paper);
            border: 1px solid var(--line);
            border-radius: var(--radius-btn);
            padding: 12px 14px;
            font-size: 14px;
            color: var(--ink);
            font-family: inherit;
            transition: var(--transition);
            box-sizing: border-box;
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            border-color: var(--accent);
            outline: none;
            background: #fff;
            box-shadow: 0 0 0 3px rgba(0, 230, 118, 0.1);
        }

        .form-group textarea {
            min-height: 90px;
            resize: vertical;
        }

        .site-footer {
            background: var(--brand);
            color: #fff;
            padding: 48px 0 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.3fr 0.8fr 0.8fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            margin-bottom: 10px;
        }

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

        .footer-col p {
            font-size: 13px;
            line-height: 1.6;
            color: rgba(255, 255, 255, 0.55);
            margin: 0 0 10px 0;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 12px 0;
        }

        .footer-col a {
            display: block;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 8px;
            transition: var(--transition);
        }

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 12px;
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            transition: var(--transition);
        }

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

        .footer-bottom .beian {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        @media (max-width: 1024px) {
            .sidebar-nav {
                display: none;
            }
            .mobile-header {
                display: flex;
            }
            .main-wrap {
                margin-left: 0;
                padding-top: 60px;
            }
            .ranking-hero h1 {
                font-size: 32px;
            }
            .ranking-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .ranking-grid.mixed-layout {
                grid-template-columns: 1fr;
            }
            .deep-content {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .cta-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .stat-strip .stat-number {
                font-size: 32px;
            }
        }

        @media (max-width: 768px) {
            .ranking-hero {
                padding: 56px 0 48px;
            }
            .ranking-hero h1 {
                font-size: 28px;
            }
            .ranking-hero .hero-desc {
                font-size: 14px;
            }
            .ranking-grid {
                grid-template-columns: 1fr;
            }
            .comparison-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .footer-bottom .beian {
                flex-direction: column;
                gap: 4px;
            }
            .content-section {
                padding: 56px 0;
            }
            .section-title {
                font-size: 24px;
            }
            .stat-strip {
                padding: 28px 0;
            }
            .stat-strip .stat-item {
                padding: 8px 8px;
            }
            .stat-strip .stat-number {
                font-size: 26px;
            }
            .btn-primary,
            .btn-secondary,
            .btn-orange,
            .btn-outline-light {
                padding: 12px 20px;
                font-size: 14px;
                width: 100%;
            }
            .hero-actions {
                flex-direction: column;
                gap: 10px;
            }
            .time-slot {
                font-size: 12px;
                padding: 8px 12px;
            }
            .ranking-card .card-body {
                padding: 16px 18px;
            }
            .ranking-card h3 {
                font-size: 17px;
            }
            .deep-content .text-block h3 {
                font-size: 20px;
            }
            .section-header {
                margin-bottom: 24px;
            }
            .comparison-block {
                padding: 24px;
            }
            .cta-form-wrapper {
                padding: 24px;
            }
        }

        @media (max-width: 520px) {
            .ranking-hero h1 {
                font-size: 24px;
            }
            .section-title {
                font-size: 21px;
            }
            .container-custom {
                padding: 0 16px;
            }
            .stat-strip .stat-number {
                font-size: 22px;
            }
            .stat-strip .stat-label {
                font-size: 11px;
            }
            .rank-list-item {
                padding: 10px 14px;
                gap: 10px;
            }
            .rank-list-item .rank-number {
                font-size: 18px;
                min-width: 28px;
            }
            .rank-list-item .rank-info h4 {
                font-size: 13px;
            }
            .rank-list-item .rank-info p {
                font-size: 12px;
            }
            .faq-question {
                font-size: 14px;
                padding: 14px 16px;
            }
            .faq-answer {
                padding: 0 16px;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 16px;
            }
            .breadcrumb {
                font-size: 12px;
                gap: 4px;
            }
            .cta-section {
                padding: 48px 0;
            }
            .cta-section .cta-text h3 {
                font-size: 22px;
            }
        }

/* roulang page: category7 */
:root {
            --brand: #121212;
            --accent: #00E676;
            --orange: #FF6D00;
            --paper: #F5F5F0;
            --white: #FFFFFF;
            --ink: #1A1A1A;
            --muted: #5A5A5A;
            --faint: #8A8A8A;
            --line: #E5E5DE;
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-image: 14px;
            --radius-badge: 6px;
            --shadow-card: 0 1px 3px rgba(18, 18, 18, 0.06), 0 1px 2px rgba(18, 18, 18, 0.04);
            --shadow-hover: 0 12px 24px rgba(18, 18, 18, 0.10), 0 4px 8px rgba(18, 18, 18, 0.06);
            --sidebar-width: 260px;
            --transition: all 0.25s ease;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: 'Inter', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            background-color: var(--paper);
            color: var(--ink);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

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

        .sidebar-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--brand);
            z-index: 1000;
            display: flex;
            flex-direction: column;
            box-shadow: 2px 0 12px rgba(0, 0, 0, 0.2);
            overflow-y: auto;
            overflow-x: hidden;
        }

        .sidebar-brand {
            padding: 32px 20px 24px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            flex-shrink: 0;
        }

        .sidebar-brand .brand-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: linear-gradient(135deg, #1a1a1a, #2d2d2d);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 12px;
            border: 1px solid rgba(0, 230, 118, 0.3);
        }

        .sidebar-brand .brand-name {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            line-height: 1.2;
        }

        .sidebar-brand .brand-name span {
            color: var(--accent);
        }

        .sidebar-nav-list {
            list-style: none;
            margin: 0;
            padding: 16px 12px;
            flex: 1;
            overflow-y: auto;
        }

        .sidebar-nav-list li {
            margin-bottom: 6px;
        }

        .sidebar-nav-list a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 11px 14px;
            border-radius: 10px;
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            font-weight: 500;
            letter-spacing: 0.02em;
            position: relative;
            border-left: 3px solid transparent;
            transition: var(--transition);
        }

        .sidebar-nav-list a:hover {
            color: var(--accent);
            background: rgba(255, 255, 255, 0.05);
            transform: translateX(4px);
            border-left-color: rgba(0, 230, 118, 0.4);
        }

        .sidebar-nav-list a.active {
            color: #fff;
            background: rgba(0, 230, 118, 0.1);
            border-left-color: var(--accent);
            font-weight: 600;
        }

        .sidebar-nav-list a .nav-num {
            font-size: 11px;
            color: var(--faint);
            font-weight: 500;
            min-width: 16px;
            text-align: center;
            transition: var(--transition);
        }

        .sidebar-nav-list a:hover .nav-num,
        .sidebar-nav-list a.active .nav-num {
            color: var(--accent);
        }

        .sidebar-bottom {
            padding: 16px 20px 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            flex-shrink: 0;
        }

        .sidebar-bottom .social-row {
            display: flex;
            gap: 12px;
            margin-bottom: 14px;
        }

        .sidebar-bottom .social-row a {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.5);
            font-size: 14px;
            transition: var(--transition);
        }

        .sidebar-bottom .social-row a:hover {
            background: rgba(0, 230, 118, 0.15);
            color: var(--accent);
        }

        .sidebar-search {
            width: 100%;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 8px;
            padding: 8px 12px;
            color: #fff;
            font-size: 13px;
            transition: var(--transition);
            box-sizing: border-box;
        }

        .sidebar-search::placeholder {
            color: rgba(255, 255, 255, 0.35);
        }

        .sidebar-search:focus {
            border-color: var(--accent);
            background: rgba(255, 255, 255, 0.09);
            outline: none;
        }

        .main-wrap {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: var(--brand);
            z-index: 999;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
        }

        .mobile-brand {
            font-size: 18px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
        }

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

        .hamburger-btn {
            display: flex;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: 8px;
            background: transparent;
            border: none;
        }

        .hamburger-btn .line {
            display: block;
            width: 22px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: var(--transition);
        }

        .hamburger-btn:hover .line {
            background: var(--accent);
        }

        .mobile-drawer {
            display: none;
            position: fixed;
            top: 60px;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--brand);
            z-index: 998;
            padding: 20px 16px;
            overflow-y: auto;
            transform: translateX(-100%);
            transition: transform 0.3s ease;
        }

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

        .mobile-drawer a {
            display: block;
            padding: 14px 16px;
            color: rgba(255, 255, 255, 0.7);
            font-size: 15px;
            font-weight: 500;
            border-radius: 10px;
            margin-bottom: 6px;
            border-left: 3px solid transparent;
            transition: var(--transition);
        }

        .mobile-drawer a:hover {
            color: var(--accent);
            background: rgba(255, 255, 255, 0.05);
        }

        .mobile-drawer a.active {
            color: #fff;
            background: rgba(0, 230, 118, 0.1);
            border-left-color: var(--accent);
            font-weight: 600;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
            box-sizing: border-box;
        }

        .breadcrumb-nav {
            padding: 20px 0 8px;
            font-size: 13px;
            color: var(--faint);
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

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

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

        .breadcrumb-nav .sep {
            color: var(--faint);
            font-size: 11px;
        }

        .breadcrumb-nav .current {
            color: var(--ink);
            font-weight: 600;
        }

        .hero-category {
            background: linear-gradient(135deg, #121212 0%, #1a1a1a 40%, #0d0d0d 100%);
            border-radius: var(--radius-card);
            padding: 56px 48px;
            margin-top: 16px;
            position: relative;
            overflow: hidden;
            color: #fff;
        }

        .hero-category::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 50%;
            height: 100%;
            background: linear-gradient(135deg, transparent 0%, rgba(0, 230, 118, 0.08) 100%);
            pointer-events: none;
        }

        .hero-category::after {
            content: '';
            position: absolute;
            bottom: -40px;
            right: -40px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            border: 2px solid rgba(0, 230, 118, 0.15);
            pointer-events: none;
        }

        .hero-category h1 {
            font-size: 40px;
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: -0.02em;
            margin: 0 0 16px 0;
            position: relative;
            z-index: 1;
        }

        .hero-category h1 .highlight {
            color: var(--accent);
        }

        .hero-category p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.7);
            max-width: 600px;
            margin: 0 0 28px 0;
            position: relative;
            z-index: 1;
            line-height: 1.8;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .btn-primary {
            background: var(--accent);
            color: var(--brand);
            font-weight: 600;
            border-radius: var(--radius-btn);
            padding: 12px 24px;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
            border: none;
        }

        .btn-primary:hover {
            background: #00C853;
            transform: translateY(-2px);
            box-shadow: 0 8px 16px rgba(0, 230, 118, 0.25);
        }

        .btn-secondary {
            background: transparent;
            color: #fff;
            font-weight: 600;
            border-radius: var(--radius-btn);
            padding: 12px 24px;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 1px solid rgba(255, 255, 255, 0.3);
            transition: var(--transition);
        }

        .btn-secondary:hover {
            background: #fff;
            color: var(--brand);
            transform: translateY(-2px);
            border-color: #fff;
        }

        .btn-orange {
            background: var(--orange);
            color: #fff;
            font-weight: 600;
            border-radius: var(--radius-btn);
            padding: 12px 24px;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
            border: none;
        }

        .btn-orange:hover {
            background: #E65100;
            transform: translateY(-2px);
            box-shadow: 0 8px 16px rgba(255, 109, 0, 0.3);
        }

        .section-block {
            margin-top: 64px;
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            letter-spacing: -0.01em;
            line-height: 1.25;
            margin: 0 0 8px 0;
            color: var(--ink);
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--muted);
            margin: 0 0 32px 0;
            line-height: 1.7;
        }

        .prose-content {
            font-size: 16px;
            line-height: 1.85;
            color: var(--ink);
        }

        .prose-content p {
            margin: 0 0 20px 0;
        }

        .prose-content h3 {
            font-size: 20px;
            font-weight: 700;
            margin: 32px 0 12px 0;
            color: var(--ink);
            line-height: 1.35;
        }

        .prose-content h4 {
            font-size: 17px;
            font-weight: 600;
            margin: 24px 0 10px 0;
            color: var(--ink);
        }

        .expert-card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 16px;
        }

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

        .expert-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--accent);
            transform: translateY(-4px);
        }

        .expert-card .card-image {
            height: 180px;
            overflow: hidden;
            position: relative;
        }

        .expert-card .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

        .expert-card:hover .card-image img {
            transform: scale(1.05);
        }

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

        .expert-card .card-tag {
            display: inline-block;
            font-size: 11px;
            font-weight: 600;
            color: var(--orange);
            background: rgba(255, 109, 0, 0.08);
            padding: 3px 10px;
            border-radius: var(--radius-badge);
            margin-bottom: 10px;
            letter-spacing: 0.04em;
        }

        .expert-card .card-date {
            font-size: 12px;
            color: var(--faint);
            margin-bottom: 8px;
            letter-spacing: 0.02em;
        }

        .expert-card h3 {
            font-size: 18px;
            font-weight: 600;
            line-height: 1.35;
            margin: 0 0 10px 0;
            color: var(--ink);
        }

        .expert-card p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
            margin: 0 0 16px 0;
            flex: 1;
        }

        .expert-card .read-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--ink);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
            align-self: flex-start;
        }

        .expert-card .read-link:hover {
            color: var(--accent);
            gap: 10px;
        }

        .data-insight-block {
            background: var(--brand);
            border-radius: var(--radius-card);
            padding: 48px;
            margin-top: 16px;
            color: #fff;
        }

        .data-insight-block .section-title {
            color: #fff;
        }

        .data-insight-block .section-subtitle {
            color: rgba(255, 255, 255, 0.5);
        }

        .data-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 32px;
        }

        .data-item {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 12px;
            padding: 20px;
            text-align: center;
            transition: var(--transition);
        }

        .data-item:hover {
            background: rgba(0, 230, 118, 0.08);
            border-color: rgba(0, 230, 118, 0.25);
        }

        .data-item .data-number {
            font-size: 36px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
            letter-spacing: -0.02em;
        }

        .data-item .data-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
            margin-top: 6px;
            letter-spacing: 0.04em;
        }

        .faq-section {
            margin-top: 64px;
            margin-bottom: 64px;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-top: 16px;
        }

        .faq-item {
            background: var(--white);
            border: 1px solid var(--line);
            border-radius: 12px;
            overflow: hidden;
            transition: var(--transition);
        }

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--ink);
            transition: var(--transition);
            user-select: none;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
        }

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

        .faq-question .faq-icon {
            font-size: 16px;
            color: var(--faint);
            transition: var(--transition);
            flex-shrink: 0;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.3s ease;
            padding: 0 24px;
            font-size: 14px;
            color: var(--muted);
            line-height: 1.75;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

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

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

        .cta-section {
            background: var(--white);
            border-radius: var(--radius-card);
            border: 1px solid var(--line);
            padding: 48px;
            margin-top: 16px;
            box-shadow: var(--shadow-card);
        }

        .cta-grid {
            display: grid;
            grid-template-columns: 1fr 1.5fr;
            gap: 40px;
            align-items: center;
        }

        .cta-left h3 {
            font-size: 24px;
            font-weight: 700;
            margin: 0 0 8px 0;
            color: var(--ink);
        }

        .cta-left p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
            margin: 0;
        }

        .form-group {
            margin-bottom: 16px;
        }

        .form-group label {
            display: block;
            font-size: 13px;
            font-weight: 500;
            color: var(--ink);
            margin-bottom: 6px;
            letter-spacing: 0.02em;
        }

        .form-input {
            width: 100%;
            background: var(--paper);
            border: 1px solid var(--line);
            border-radius: var(--radius-btn);
            padding: 10px 14px;
            font-size: 14px;
            color: var(--ink);
            transition: var(--transition);
            box-sizing: border-box;
            font-family: inherit;
        }

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

        .form-input:focus {
            border-color: var(--accent);
            background: #fff;
            outline: none;
        }

        textarea.form-input {
            resize: vertical;
            min-height: 80px;
        }

        .site-footer {
            background: var(--brand);
            color: rgba(255, 255, 255, 0.7);
            padding: 56px 0 24px;
            margin-top: 72px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            margin-bottom: 12px;
        }

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

        .footer-col p {
            font-size: 13px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.5);
            margin: 0 0 8px 0;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 14px 0;
            letter-spacing: 0.03em;
        }

        .footer-col a {
            display: block;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
            padding: 5px 0;
            transition: var(--transition);
        }

        .footer-col a:hover {
            color: var(--accent);
            transform: translateX(3px);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 20px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-bottom .beian {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.4);
            transition: var(--transition);
            font-size: 12px;
        }

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

        @media (max-width: 1024px) {
            .sidebar-nav {
                display: none;
            }
            .mobile-header {
                display: flex;
            }
            .mobile-drawer {
                display: block;
            }
            .main-wrap {
                margin-left: 0;
                padding-top: 60px;
            }
            .hero-category {
                padding: 40px 32px;
            }
            .hero-category h1 {
                font-size: 32px;
            }
            .expert-card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cta-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 768px) {
            .container-custom {
                padding: 0 16px;
            }
            .hero-category {
                padding: 32px 20px;
                border-radius: 12px;
            }
            .hero-category h1 {
                font-size: 26px;
            }
            .hero-category p {
                font-size: 14px;
            }
            .expert-card-grid {
                grid-template-columns: 1fr;
            }
            .data-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .section-title {
                font-size: 22px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .data-insight-block {
                padding: 28px 20px;
            }
            .cta-section {
                padding: 28px 20px;
            }
            .prose-content {
                font-size: 15px;
            }
            .prose-content p {
                margin-bottom: 16px;
            }
        }

        @media (max-width: 520px) {
            .hero-category h1 {
                font-size: 22px;
            }
            .data-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .data-item .data-number {
                font-size: 28px;
            }
            .data-item {
                padding: 14px 10px;
            }
            .btn-primary,
            .btn-secondary,
            .btn-orange {
                padding: 10px 18px;
                font-size: 13px;
            }
            .hero-actions {
                flex-direction: column;
                gap: 10px;
            }
            .section-block {
                margin-top: 48px;
            }
            .form-group label {
                font-size: 12px;
            }
            .form-input {
                font-size: 13px;
                padding: 8px 12px;
            }
        }