/* roulang page: index */
:root {
            --primary: #2563EB;
            --primary-dark: #1E40AF;
            --primary-deeper: #1E3A8A;
            --ink: #111827;
            --ink-2: #0F172A;
            --muted: #4B5563;
            --muted-light: #6B7280;
            --line: #E5E7EB;
            --bg: #F5F7FA;
            --white: #FFFFFF;
            --radius-sm: 10px;
            --radius-md: 14px;
            --radius-lg: 18px;
            --radius-pill: 999px;
            --shadow-sm: 0 4px 16px rgba(15, 23, 42, 0.06);
            --shadow-md: 0 8px 28px rgba(15, 23, 42, 0.08);
            --shadow-lg: 0 12px 32px rgba(15, 23, 42, 0.10);
            --spacing-section: 72px;
            --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --transition: 200ms ease;
        }

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

        html {
            font-size: 16px;
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.75;
            color: var(--ink);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

        a:hover,
        a:focus {
            color: var(--primary-dark);
        }

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

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 2px solid rgba(37, 99, 235, 0.5);
            outline-offset: 2px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        section {
            padding: var(--spacing-section) 0;
        }

        @media (max-width: 768px) {
            :root {
                --spacing-section: 48px;
            }
            section {
                padding: var(--spacing-section) 0;
            }
            html {
                font-size: 15px;
            }
            body {
                font-size: 15px;
            }
        }

        /* ============ HEADER / 杂志刊头导航 ============ */
        .top-nav {
            background: var(--white);
            border-bottom: 1px solid var(--line);
            box-shadow: 0 2px 12px rgba(15, 23, 42, 0.04);
            position: sticky;
            top: 0;
            z-index: 100;
            padding: 14px 0;
        }

        .top-nav .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }

        .brand {
            font-size: 28px;
            font-weight: 700;
            color: var(--ink);
            letter-spacing: -0.01em;
            white-space: nowrap;
            line-height: 1.2;
            display: flex;
            align-items: center;
        }

        .brand a {
            color: var(--ink);
            font-weight: 700;
            font-size: 28px;
            line-height: 1.2;
            transition: color var(--transition);
        }

        .brand a:hover,
        .brand a:focus {
            color: var(--primary);
        }

        .brand-mark {
            display: inline-block;
            width: 10px;
            height: 10px;
            background: var(--primary);
            border-radius: 50%;
            margin-right: 10px;
            flex-shrink: 0;
        }

        .nav-channels {
            display: flex;
            align-items: center;
            gap: 0;
        }

        .nav-channels a {
            font-size: 15px;
            font-weight: 500;
            color: var(--muted);
            padding: 8px 20px;
            border-left: 1px solid var(--line);
            transition: color var(--transition), background-color var(--transition);
            display: inline-flex;
            align-items: center;
            min-height: 44px;
            line-height: 1.3;
        }

        .nav-channels a:first-of-type {
            border-left: none;
        }

        .nav-channels a:hover {
            color: var(--primary);
        }

        .nav-channels a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .hamburger {
            display: none;
            background: transparent;
            border: 1px solid var(--line);
            border-radius: var(--radius-sm);
            width: 44px;
            height: 44px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            color: var(--ink);
            font-size: 20px;
            transition: background-color var(--transition);
        }

        .hamburger:hover {
            background-color: var(--bg);
        }

        @media (max-width: 860px) {
            .nav-channels {
                display: none;
            }
            .hamburger {
                display: flex;
            }
        }

        @media (max-width: 480px) {
            .brand a {
                font-size: 22px;
            }
            .brand-mark {
                width: 8px;
                height: 8px;
                margin-right: 6px;
            }
        }

        /* Off-canvas 移动端菜单 */
        .off-canvas {
            background: var(--white);
            padding: 24px 20px;
        }
        .off-canvas .close-btn {
            font-size: 28px;
            color: var(--muted);
            background: none;
            border: none;
            cursor: pointer;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            justify-content: flex-end;
            width: 100%;
        }
        .off-canvas nav a {
            display: flex;
            align-items: center;
            min-height: 48px;
            font-size: 16px;
            color: var(--ink);
            border-bottom: 1px solid var(--line);
            font-weight: 500;
            padding: 0 4px;
            transition: color var(--transition), background-color var(--transition);
        }
        .off-canvas nav a:hover {
            color: var(--primary);
            background: var(--bg);
        }
        .off-canvas nav a.active {
            color: var(--primary);
            font-weight: 600;
        }
        .off-canvas .off-canvas-brand {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
        }
        .off-canvas .off-canvas-brand .brand-mark {
            margin-right: 8px;
        }

        /* ============ Hero 卡片堆叠首屏 ============ */
        .hero-section {
            position: relative;
            padding: 64px 0 56px;
            background: url('/assets/images/f8e1927c2a5200c1.webp') center / cover no-repeat;
            background-color: var(--bg);
            overflow: hidden;
        }

        .hero-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(160deg, rgba(245, 247, 250, 0.92) 0%, rgba(245, 247, 250, 0.82) 40%, rgba(255, 255, 255, 0.78) 100%);
            pointer-events: none;
            z-index: 1;
        }

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

        .hero-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.9fr;
            gap: 36px;
            align-items: center;
        }

        .hero-main-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            padding: 40px 38px;
            border: 1px solid var(--line);
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(37, 99, 235, 0.08);
            color: var(--primary-dark);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            margin-bottom: 18px;
            letter-spacing: 0.02em;
        }

        .hero-tag::before {
            content: "";
            width: 6px;
            height: 6px;
            background: var(--primary);
            border-radius: 50%;
            display: inline-block;
        }

        .hero-main-card h1 {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.25;
            color: var(--ink);
            margin-bottom: 16px;
            letter-spacing: -0.015em;
        }

        .hero-main-card .hero-sub {
            font-size: 16px;
            line-height: 1.75;
            color: var(--muted);
            margin-bottom: 26px;
            max-width: 520px;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            min-height: 44px;
            padding: 10px 24px;
            border-radius: var(--radius-pill);
            font-size: 15px;
            font-weight: 600;
            border: 1px solid transparent;
            cursor: pointer;
            transition: all var(--transition);
            line-height: 1.4;
            text-align: center;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--primary);
            color: var(--white);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(37, 99, 235, 0.3);
        }
        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: none;
        }

        .btn-outline {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
        }
        .btn-outline:active {
            transform: translateY(1px);
        }

        .hero-side-cards {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .side-card {
            background: var(--white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-md);
            padding: 24px 22px;
            border: 1px solid var(--line);
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .side-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }

        .side-card:nth-child(1) {
            align-self: flex-start;
            width: 88%;
        }
        .side-card:nth-child(2) {
            align-self: flex-end;
            width: 88%;
        }

        .side-card-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--muted);
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .side-card-title i {
            color: var(--primary);
            font-size: 16px;
        }

        .metric-mini-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
        }

        .metric-mini {
            background: var(--bg);
            border-radius: var(--radius-sm);
            padding: 14px 12px;
            text-align: left;
            border: 1px solid var(--line);
        }
        .metric-mini .label {
            font-size: 12px;
            color: var(--muted-light);
            margin-bottom: 4px;
            font-weight: 500;
            display: block;
        }
        .metric-mini .value {
            font-size: 15px;
            font-weight: 700;
            color: var(--ink);
        }

        @media (max-width: 968px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .hero-main-card {
                padding: 28px 24px;
            }
            .hero-main-card h1 {
                font-size: 28px;
            }
            .hero-side-cards {
                flex-direction: row;
                flex-wrap: wrap;
            }
            .side-card,
            .side-card:nth-child(1),
            .side-card:nth-child(2) {
                width: calc(50% - 8px);
                align-self: stretch;
            }
        }

        @media (max-width: 640px) {
            .hero-section {
                padding: 40px 0 40px;
            }
            .hero-main-card h1 {
                font-size: 24px;
                line-height: 1.3;
            }
            .hero-main-card .hero-sub {
                font-size: 15px;
            }
            .side-card,
            .side-card:nth-child(1),
            .side-card:nth-child(2) {
                width: 100%;
                align-self: stretch;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-actions .btn {
                width: 100%;
            }
        }

        /* ============ 通用板块标题 ============ */
        .section-head {
            margin-bottom: 36px;
        }
        .section-head .eyebrow {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            letter-spacing: 0.06em;
            text-transform: uppercase;
            margin-bottom: 8px;
        }
        .section-head h2 {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.25;
            color: var(--ink);
            margin-bottom: 10px;
        }
        .section-head p {
            font-size: 15px;
            color: var(--muted);
            max-width: 640px;
            line-height: 1.75;
        }
        @media (max-width: 768px) {
            .section-head h2 {
                font-size: 24px;
            }
            .section-head {
                margin-bottom: 24px;
            }
        }

        /* ============ 服务矩阵 ============ */
        .service-matrix {
            background: var(--white);
        }
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .service-card {
            background: var(--white);
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            padding: 26px 22px;
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
        }
        .service-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(37, 99, 235, 0.3);
        }
        .service-card .icon-wrap {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: rgba(37, 99, 235, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            font-size: 22px;
            color: var(--primary);
            flex-shrink: 0;
        }
        .service-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 8px;
            line-height: 1.3;
        }
        .service-card p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
        }
        @media (max-width: 1024px) {
            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .service-grid {
                grid-template-columns: 1fr;
            }
            .service-card {
                padding: 20px 18px;
            }
        }

        /* ============ 结果对比 ============ */
        .compare-section {
            background: var(--bg);
        }
        .compare-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .compare-col {
            border-radius: var(--radius-md);
            padding: 28px 26px;
            border: 1px solid var(--line);
        }
        .compare-col.blind {
            background: #f1f3f5;
        }
        .compare-col.structured {
            background: var(--white);
            border-color: rgba(37, 99, 235, 0.25);
            box-shadow: var(--shadow-md);
        }
        .compare-col h3 {
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .compare-col.blind h3 {
            color: var(--muted);
        }
        .compare-col.structured h3 {
            color: var(--primary-dark);
        }
        .compare-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .compare-col ul li {
            font-size: 14px;
            color: var(--muted);
            padding: 10px 0;
            border-bottom: 1px solid var(--line);
            display: flex;
            align-items: flex-start;
            gap: 10px;
            line-height: 1.65;
        }
        .compare-col ul li:last-child {
            border-bottom: none;
        }
        .compare-col ul li i {
            flex-shrink: 0;
            margin-top: 4px;
        }
        .compare-col.blind ul li i {
            color: #9CA3AF;
        }
        .compare-col.structured ul li i {
            color: var(--primary);
        }
        @media (max-width: 768px) {
            .compare-grid {
                grid-template-columns: 1fr;
            }
            .compare-col {
                padding: 20px 18px;
            }
        }

        /* ============ 里程碑时间线 ============ */
        .milestone-section {
            background: var(--white);
        }
        .timeline-wrap {
            position: relative;
            display: flex;
            flex-direction: column;
        }
        .timeline-line {
            position: absolute;
            left: 50%;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--line);
            transform: translateX(-50%);
        }
        .timeline-item {
            position: relative;
            display: flex;
            align-items: center;
            margin-bottom: 36px;
            width: 100%;
        }
        .timeline-item:last-child {
            margin-bottom: 0;
        }
        .timeline-item .dot {
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            width: 14px;
            height: 14px;
            background: var(--primary);
            border-radius: 50%;
            border: 3px solid #fff;
            box-shadow: 0 0 0 3px var(--line);
            z-index: 2;
        }
        .timeline-item .timeline-content {
            width: 46%;
            padding: 18px 20px;
            background: var(--bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--line);
            box-shadow: var(--shadow-sm);
        }
        .timeline-item:nth-child(odd) .timeline-content {
            margin-right: auto;
            text-align: right;
        }
        .timeline-item:nth-child(even) .timeline-content {
            margin-left: auto;
        }
        .timeline-content h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 6px;
        }
        .timeline-content p {
            font-size: 13px;
            color: var(--muted);
            line-height: 1.65;
        }
        .timeline-content .timeline-step {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background: rgba(37, 99, 235, 0.08);
            padding: 2px 10px;
            border-radius: var(--radius-pill);
            margin-bottom: 8px;
        }
        @media (max-width: 768px) {
            .timeline-line {
                left: 8px;
                transform: none;
            }
            .timeline-item {
                flex-direction: column;
                align-items: flex-start;
                padding-left: 28px;
                margin-bottom: 24px;
            }
            .timeline-item .dot {
                left: 8px;
                transform: translateX(-50%);
            }
            .timeline-item .timeline-content {
                width: 100%;
                margin: 0 !important;
                text-align: left !important;
                padding: 16px;
            }
        }

        /* ============ 焦点主题 ============ */
        .topic-section {
            background: var(--bg);
        }
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }
        .topic-card {
            background: var(--white);
            border-radius: var(--radius-md);
            border: 1px solid var(--line);
            overflow: hidden;
            transition: transform var(--transition), box-shadow var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .topic-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }
        .topic-card img {
            width: 100%;
            height: 160px;
            object-fit: cover;
            border-radius: 0;
        }
        .topic-card .topic-body {
            padding: 16px 18px 18px;
        }
        .topic-card .topic-body h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 6px;
            line-height: 1.35;
        }
        .topic-card .topic-body p {
            font-size: 13px;
            color: var(--muted);
            line-height: 1.6;
            margin: 0;
        }
        @media (max-width: 1024px) {
            .topic-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .topic-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ============ 资讯列表 ============ */
        .news-section {
            background: var(--white);
        }
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .news-card {
            background: var(--white);
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .news-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: 0;
        }
        .news-card .news-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .news-card .news-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 12px;
            color: var(--muted-light);
            margin-bottom: 10px;
        }
        .news-card .news-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .news-card .news-body h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .news-card .news-body p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.65;
            margin-bottom: 10px;
            flex: 1;
        }
        .news-card .news-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            margin-top: auto;
        }
        .news-card .news-link:hover {
            color: var(--primary-dark);
        }
        .news-more {
            margin-top: 28px;
            text-align: center;
        }
        @media (max-width: 1024px) {
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .news-grid {
                grid-template-columns: 1fr;
            }
            .news-card img {
                height: 160px;
            }
        }

        /* ============ 品牌介绍 ============ */
        .brand-intro {
            background: var(--bg);
        }
        .brand-intro-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
            align-items: center;
        }
        .brand-intro-text h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 18px;
            line-height: 1.3;
        }
        .brand-intro-text p {
            font-size: 15px;
            color: var(--muted);
            line-height: 1.8;
            margin-bottom: 14px;
        }
        .brand-intro-img img {
            width: 100%;
            height: 280px;
            object-fit: cover;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-md);
        }
        @media (max-width: 768px) {
            .brand-intro-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .brand-intro-img img {
                height: 200px;
            }
        }

        /* ============ 平台保障 ============ */
        .assurance-section {
            background: var(--white);
        }
        .assurance-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .assurance-card {
            text-align: center;
            padding: 28px 20px;
            background: var(--white);
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            transition: transform var(--transition), box-shadow var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .assurance-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }
        .assurance-card .icon-circle {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: rgba(37, 99, 235, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 26px;
            color: var(--primary);
        }
        .assurance-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 8px;
        }
        .assurance-card p {
            font-size: 13px;
            color: var(--muted);
            line-height: 1.6;
            margin: 0;
        }
        @media (max-width: 1024px) {
            .assurance-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .assurance-grid {
                grid-template-columns: 1fr;
            }
            .assurance-card {
                padding: 20px 16px;
            }
        }

        /* ============ 快速解答与FAQ ============ */
        .qa-section {
            background: var(--bg);
        }
        .qa-list {
            max-width: 820px;
            margin: 0 auto;
        }
        .qa-list details {
            background: var(--white);
            border: 1px solid var(--line);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            box-shadow: var(--shadow-sm);
            overflow: hidden;
        }
        .qa-list summary {
            padding: 16px 20px;
            font-size: 15px;
            font-weight: 600;
            color: var(--ink);
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: color var(--transition), background-color var(--transition);
            min-height: 44px;
        }
        .qa-list summary::-webkit-details-marker {
            display: none;
        }
        .qa-list summary:hover {
            color: var(--primary);
            background: rgba(37, 99, 235, 0.03);
        }
        .qa-list summary::after {
            content: "\f078";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            font-size: 13px;
            color: var(--muted-light);
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .qa-list details[open] summary::after {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .qa-list details .qa-answer {
            padding: 0 20px 18px;
            font-size: 14px;
            color: var(--muted);
            line-height: 1.75;
        }
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-list details {
            background: var(--white);
            border: 1px solid var(--line);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            box-shadow: var(--shadow-sm);
            overflow: hidden;
        }
        .faq-list summary {
            padding: 16px 20px;
            font-size: 15px;
            font-weight: 600;
            color: var(--ink);
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: color var(--transition), background-color var(--transition);
            min-height: 44px;
        }
        .faq-list summary::-webkit-details-marker {
            display: none;
        }
        .faq-list summary:hover {
            color: var(--primary);
            background: rgba(37, 99, 235, 0.03);
        }
        .faq-list summary::after {
            content: "\f078";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            font-size: 13px;
            color: var(--muted-light);
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-list details[open] summary::after {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-list details .faq-answer {
            padding: 0 20px 18px;
            font-size: 14px;
            color: var(--muted);
            line-height: 1.75;
        }

        /* ============ 转化表单 ============ */
        .cta-section {
            background: var(--white);
        }
        .cta-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
            align-items: center;
        }
        .cta-text h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 14px;
            line-height: 1.3;
        }
        .cta-text p {
            font-size: 15px;
            color: var(--muted);
            line-height: 1.75;
            margin-bottom: 18px;
        }
        .cta-text .cta-points {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .cta-text .cta-points li {
            font-size: 14px;
            color: var(--muted);
            padding: 7px 0;
            display: flex;
            align-items: flex-start;
            gap: 10px;
            line-height: 1.6;
        }
        .cta-text .cta-points li i {
            color: var(--primary);
            font-size: 15px;
            margin-top: 3px;
            flex-shrink: 0;
        }
        .cta-form-card {
            background: var(--white);
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-md);
            padding: 30px 28px;
        }
        .cta-form-card .form-group {
            margin-bottom: 16px;
        }
        .cta-form-card label {
            font-size: 14px;
            font-weight: 600;
            color: var(--ink);
            display: block;
            margin-bottom: 6px;
        }
        .cta-form-card input,
        .cta-form-card select,
        .cta-form-card textarea {
            width: 100%;
            min-height: 44px;
            padding: 8px 14px;
            border: 1px solid var(--line);
            border-radius: 8px;
            background: #F1F3F5;
            font-size: 14px;
            color: var(--ink);
            transition: border-color var(--transition), box-shadow var(--transition), background-color var(--transition);
        }
        .cta-form-card input:focus,
        .cta-form-card select:focus,
        .cta-form-card textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
            background: #fff;
            outline: none;
        }
        .cta-form-card textarea {
            min-height: 80px;
            resize: vertical;
        }
        .cta-form-card .btn-submit {
            width: 100%;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-pill);
            min-height: 48px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition);
            margin-top: 8px;
        }
        .cta-form-card .btn-submit:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(37, 99, 235, 0.25);
        }
        .cta-form-card .btn-submit:active {
            transform: translateY(1px);
            box-shadow: none;
        }
        @media (max-width: 768px) {
            .cta-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .cta-form-card {
                padding: 22px 18px;
            }
            .cta-text h2 {
                font-size: 24px;
            }
        }

        /* ============ Footer ============ */
        .site-footer {
            background: #0F172A;
            color: #D1D5DB;
            padding: 56px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.3fr 0.8fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
        }
        .footer-brand h3 {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            display: flex;
            align-items: center;
        }
        .footer-brand h3 .brand-mark {
            display: inline-block;
            width: 8px;
            height: 8px;
            background: var(--primary);
            border-radius: 50%;
            margin-right: 8px;
        }
        .footer-brand p {
            font-size: 14px;
            color: #D1D5DB;
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-channels h4,
        .footer-contact h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }
        .footer-channels ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-channels ul li {
            margin-bottom: 8px;
        }
        .footer-channels ul li a {
            color: #D1D5DB;
            font-size: 14px;
            transition: color var(--transition);
            display: inline-flex;
            align-items: center;
            min-height: 32px;
        }
        .footer-channels ul li a:hover {
            color: #93C5FD;
        }
        .footer-contact p {
            font-size: 14px;
            color: #D1D5DB;
            line-height: 1.7;
            margin-bottom: 8px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 18px 0;
            text-align: center;
        }
        .footer-bottom p {
            font-size: 13px;
            color: #9CA3AF;
            margin: 0;
            line-height: 1.6;
        }
        .footer-bottom a {
            color: #D1D5DB;
            text-decoration: underline;
        }
        .footer-bottom a:hover {
            color: #93C5FD;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
                padding-bottom: 28px;
            }
            .site-footer {
                padding-top: 40px;
            }
            .footer-brand p {
                max-width: 100%;
            }
        }

        /* ============ 辅助工具类 ============ */
        .text-center {
            text-align: center;
        }
        .mt-0 {
            margin-top: 0 !important;
        }
        .mb-0 {
            margin-bottom: 0 !important;
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

        /* Foundation 覆盖 */
        .foundation-override .button {
            border-radius: var(--radius-pill);
        }
        .foundation-override a {
            text-decoration: none;
        }
        .off-canvas-wrapper,
        .off-canvas-wrapper-inner {
            background: var(--bg);
        }

        /* 所有链接 hover 状态一致性 */
        a {
            transition: color var(--transition);
        }

/* roulang page: category1 */
:root {
            --primary: #2563EB;
            --primary-dark: #1E40AF;
            --primary-deeper: #1E3A8A;
            --ink: #111827;
            --ink-2: #0F172A;
            --muted: #4B5563;
            --muted-light: #6B7280;
            --line: #E5E7EB;
            --bg: #F5F7FA;
            --white: #FFFFFF;
            --radius-sm: 10px;
            --radius-md: 14px;
            --radius-lg: 18px;
            --radius-pill: 999px;
            --shadow-sm: 0 4px 16px rgba(15, 23, 42, 0.06);
            --shadow-md: 0 8px 28px rgba(15, 23, 42, 0.08);
            --shadow-lg: 0 12px 32px rgba(15, 23, 42, 0.10);
            --spacing-section: 72px;
            --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --transition: 200ms ease;
        }

        html {
            font-size: 16px;
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.75;
            color: var(--ink);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

        a:hover,
        a:focus {
            color: var(--primary-dark);
        }

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

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 2px solid rgba(37, 99, 235, 0.5);
            outline-offset: 2px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        section {
            padding: var(--spacing-section) 0;
        }

        /* ============ HEADER / 杂志刊头导航 ============ */
        .top-nav {
            background: var(--white);
            border-bottom: 1px solid var(--line);
            box-shadow: 0 2px 12px rgba(15, 23, 42, 0.04);
            position: sticky;
            top: 0;
            z-index: 100;
            padding: 14px 0;
        }

        .top-nav .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }

        .brand {
            font-size: 28px;
            font-weight: 700;
            color: var(--ink);
            letter-spacing: -0.01em;
            white-space: nowrap;
            line-height: 1.2;
            display: flex;
            align-items: center;
        }

        .brand a {
            color: var(--ink);
            font-weight: 700;
            font-size: 28px;
            line-height: 1.2;
            transition: color var(--transition);
        }

        .brand a:hover,
        .brand a:focus {
            color: var(--primary);
        }

        .brand-mark {
            display: inline-block;
            width: 10px;
            height: 10px;
            background: var(--primary);
            border-radius: 50%;
            margin-right: 10px;
            flex-shrink: 0;
        }

        .nav-channels {
            display: flex;
            align-items: center;
            gap: 0;
        }

        .nav-channels a {
            font-size: 15px;
            font-weight: 500;
            color: var(--muted);
            padding: 8px 20px;
            border-left: 1px solid var(--line);
            transition: color var(--transition), background-color var(--transition);
            display: inline-flex;
            align-items: center;
            min-height: 44px;
            line-height: 1.3;
        }

        .nav-channels a:first-of-type {
            border-left: none;
        }

        .nav-channels a:hover {
            color: var(--primary);
        }

        .nav-channels a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .hamburger {
            display: none;
            background: transparent;
            border: 1px solid var(--line);
            border-radius: var(--radius-sm);
            width: 44px;
            height: 44px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            color: var(--ink);
            font-size: 20px;
            transition: background-color var(--transition);
        }

        .hamburger:hover {
            background-color: var(--bg);
        }

        /* ============ OFF-CANVAS 移动端导航 ============ */
        .off-canvas {
            background: var(--white);
            padding: 24px 20px;
            min-width: 280px;
        }

        .off-canvas .close-btn {
            font-size: 28px;
            color: var(--muted);
            background: none;
            border: none;
            cursor: pointer;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            justify-content: flex-end;
            width: 100%;
            transition: color var(--transition);
        }

        .off-canvas .close-btn:hover {
            color: var(--ink);
        }

        .off-canvas .off-canvas-brand {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--ink);
        }

        .off-canvas nav a {
            display: flex;
            align-items: center;
            min-height: 48px;
            font-size: 16px;
            color: var(--ink);
            border-bottom: 1px solid var(--line);
            font-weight: 500;
            padding: 0 4px;
            transition: color var(--transition), background-color var(--transition);
        }

        .off-canvas nav a:hover {
            color: var(--primary);
            background: var(--bg);
        }

        .off-canvas nav a.active {
            color: var(--primary);
            font-weight: 600;
        }

        /* ============ 面包屑 ============ */
        .breadcrumb-wrap {
            background: var(--bg);
            padding: 18px 0 0;
        }

        .breadcrumb {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            font-size: 14px;
            color: var(--muted);
        }

        .breadcrumb li {
            display: flex;
            align-items: center;
        }

        .breadcrumb li:not(:last-child)::after {
            content: "/";
            margin: 0 10px;
            color: var(--muted-light);
        }

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

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

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

        /* ============ 分类头部 ============ */
        .category-header {
            background: var(--bg);
            padding: 48px 0 36px;
        }

        .category-header .category-title {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.25;
            color: var(--ink);
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }

        .category-header .category-lead {
            font-size: 16px;
            color: var(--muted);
            line-height: 1.85;
            max-width: 720px;
        }

        .category-header .category-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 18px;
        }

        .category-header .meta-tag {
            display: inline-flex;
            align-items: center;
            padding: 5px 14px;
            background: var(--white);
            border: 1px solid var(--line);
            border-radius: var(--radius-pill);
            font-size: 13px;
            color: var(--muted);
            font-weight: 500;
        }

        .category-header .meta-tag i {
            color: var(--primary);
            margin-right: 6px;
            font-size: 12px;
        }

        /* ============ 板块通用标题 ============ */
        .section-label {
            display: inline-flex;
            align-items: center;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 0.08em;
            margin-bottom: 10px;
        }

        .section-label::before {
            content: "";
            display: inline-block;
            width: 20px;
            height: 2px;
            background: var(--primary);
            margin-right: 10px;
            border-radius: 1px;
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--ink);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .section-desc {
            font-size: 15px;
            color: var(--muted);
            line-height: 1.75;
            max-width: 680px;
        }

        /* ============ 文章列表主体 ============ */
        .article-list-section {
            background: var(--white);
            padding: 64px 0;
        }

        .article-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
            margin-top: 32px;
        }

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

        .article-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }

        .article-card .card-cover {
            aspect-ratio: 16/9;
            overflow: hidden;
            background: #E8ECF1;
        }

        .article-card .card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform 400ms ease;
        }

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

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

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

        .article-card .card-meta .badge {
            display: inline-flex;
            align-items: center;
            padding: 3px 10px;
            background: rgba(37, 99, 235, 0.08);
            color: var(--primary);
            border-radius: var(--radius-pill);
            font-size: 12px;
            font-weight: 600;
        }

        .article-card .card-meta .date {
            color: var(--muted-light);
        }

        .article-card .card-title {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.45;
            color: var(--ink);
            margin-bottom: 8px;
            transition: color var(--transition);
        }

        .article-card:hover .card-title {
            color: var(--primary);
        }

        .article-card .card-excerpt {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.75;
            margin-bottom: 0;
            flex: 1;
        }

        .article-card .card-footer {
            margin-top: 16px;
            padding-top: 14px;
            border-top: 1px solid var(--line);
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

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

        .article-card .read-more:hover {
            color: var(--primary-dark);
        }

        .article-card .read-more i {
            font-size: 12px;
        }

        /* ============ 数据工具入口 ============ */
        .tools-section {
            background: var(--bg);
            padding: 64px 0;
        }

        .tools-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 32px;
        }

        .tool-card {
            background: var(--white);
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            padding: 24px 22px;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition);
            text-align: center;
        }

        .tool-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .tool-card .tool-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            background: rgba(37, 99, 235, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            color: var(--primary);
            font-size: 22px;
        }

        .tool-card .tool-name {
            font-size: 16px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 6px;
        }

        .tool-card .tool-desc {
            font-size: 13px;
            color: var(--muted);
            line-height: 1.65;
        }

        /* ============ 精选专题横滑 ============ */
        .spotlight-section {
            background: var(--white);
            padding: 64px 0;
        }

        .spotlight-scroll {
            display: flex;
            overflow-x: auto;
            gap: 20px;
            padding: 12px 4px 20px;
            margin-top: 28px;
            scroll-snap-type: x proximity;
            -webkit-overflow-scrolling: touch;
        }

        .spotlight-scroll::-webkit-scrollbar {
            height: 6px;
        }

        .spotlight-scroll::-webkit-scrollbar-track {
            background: var(--bg);
            border-radius: 3px;
        }

        .spotlight-scroll::-webkit-scrollbar-thumb {
            background: var(--line);
            border-radius: 3px;
        }

        .spotlight-card {
            min-width: 280px;
            max-width: 320px;
            flex-shrink: 0;
            background: var(--bg);
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            scroll-snap-align: start;
            transition: box-shadow var(--transition), transform var(--transition);
        }

        .spotlight-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .spotlight-card .spotlight-cover {
            aspect-ratio: 16/9;
            overflow: hidden;
            background: #E8ECF1;
        }

        .spotlight-card .spotlight-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
        }

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

        .spotlight-card .spotlight-tag {
            display: inline-flex;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background: rgba(37, 99, 235, 0.08);
            padding: 3px 10px;
            border-radius: var(--radius-pill);
            margin-bottom: 8px;
        }

        .spotlight-card .spotlight-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--ink);
            line-height: 1.4;
            margin-bottom: 6px;
        }

        .spotlight-card .spotlight-desc {
            font-size: 13px;
            color: var(--muted);
            line-height: 1.65;
        }

        /* ============ 编辑手记 ============ */
        .editor-note-section {
            background: var(--bg);
            padding: 64px 0;
        }

        .editor-note-card {
            background: var(--white);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            padding: 36px 36px 32px;
            box-shadow: var(--shadow-sm);
            max-width: 840px;
            margin: 28px auto 0;
        }

        .editor-note-card .note-head {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-bottom: 16px;
        }

        .editor-note-card .note-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary);
            color: var(--white);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 16px;
            flex-shrink: 0;
        }

        .editor-note-card .note-author {
            font-size: 15px;
            font-weight: 700;
            color: var(--ink);
        }

        .editor-note-card .note-role {
            font-size: 13px;
            color: var(--muted-light);
        }

        .editor-note-card .note-body {
            font-size: 15px;
            color: var(--muted);
            line-height: 1.9;
            margin-bottom: 0;
        }

        .editor-note-card .note-body strong {
            color: var(--ink);
            font-weight: 600;
        }

        /* ============ 数据查询CTA ============ */
        .query-cta-section {
            background: var(--white);
            padding: 64px 0;
        }

        .query-cta-wrap {
            background: linear-gradient(135deg, #1E40AF 0%, #2563EB 60%, #3B82F6 100%);
            border-radius: var(--radius-lg);
            padding: 48px 44px;
            color: var(--white);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            box-shadow: var(--shadow-lg);
        }

        .query-cta-wrap .cta-text {
            flex: 1;
        }

        .query-cta-wrap .cta-title {
            font-size: 24px;
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 10px;
            color: var(--white);
        }

        .query-cta-wrap .cta-desc {
            font-size: 15px;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.85);
            max-width: 520px;
            margin-bottom: 0;
        }

        .query-cta-wrap .cta-action {
            flex-shrink: 0;
        }

        .btn-primary-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--white);
            color: var(--primary-dark);
            font-size: 15px;
            font-weight: 700;
            padding: 14px 32px;
            border-radius: var(--radius-pill);
            border: none;
            cursor: pointer;
            transition: transform var(--transition), box-shadow var(--transition);
            min-height: 48px;
            line-height: 1.4;
        }

        .btn-primary-light:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
            color: var(--primary-dark);
        }

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

        /* ============ FAQ ============ */
        .faq-section {
            background: var(--bg);
            padding: 64px 0;
        }

        .faq-list {
            max-width: 780px;
            margin: 28px auto 0;
        }

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

        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }

        .faq-item summary {
            list-style: none;
            cursor: pointer;
            padding: 18px 22px;
            font-size: 15px;
            font-weight: 600;
            color: var(--ink);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: color var(--transition);
            user-select: none;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary:hover {
            color: var(--primary);
        }

        .faq-item summary .faq-icon {
            flex-shrink: 0;
            color: var(--muted-light);
            transition: transform var(--transition), color var(--transition);
            font-size: 14px;
        }

        .faq-item[open] summary .faq-icon {
            transform: rotate(180deg);
            color: var(--primary);
        }

        .faq-answer {
            padding: 0 22px 20px;
            font-size: 14px;
            color: var(--muted);
            line-height: 1.8;
        }

        /* ============ 订阅表单 ============ */
        .subscribe-section {
            background: var(--white);
            padding: 64px 0;
        }

        .subscribe-card {
            background: var(--white);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            padding: 36px 36px;
            box-shadow: var(--shadow-sm);
            max-width: 640px;
            margin: 28px auto 0;
            text-align: center;
        }

        .subscribe-card .subscribe-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(37, 99, 235, 0.08);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin: 0 auto 16px;
        }

        .subscribe-card .subscribe-title {
            font-size: 22px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 8px;
        }

        .subscribe-card .subscribe-desc {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
            margin-bottom: 22px;
            max-width: 420px;
            margin-left: auto;
            margin-right: auto;
        }

        .subscribe-form {
            display: flex;
            gap: 10px;
            max-width: 480px;
            margin: 0 auto;
        }

        .subscribe-form input[type="email"] {
            flex: 1;
            min-height: 48px;
            padding: 10px 18px;
            border: 1px solid var(--line);
            border-radius: var(--radius-pill);
            background: var(--bg);
            font-size: 14px;
            color: var(--ink);
            outline: none;
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .subscribe-form input[type="email"]:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
        }

        .subscribe-form .btn-submit {
            display: inline-flex;
            align-items: center;
            white-space: nowrap;
            background: var(--primary);
            color: var(--white);
            font-size: 15px;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius-pill);
            border: none;
            cursor: pointer;
            min-height: 48px;
            line-height: 1.4;
            transition: background-color var(--transition), transform var(--transition);
        }

        .subscribe-form .btn-submit:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
        }

        .subscribe-form .btn-submit:active {
            transform: translateY(0);
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: var(--ink-2);
            color: rgba(255, 255, 255, 0.7);
            padding: 64px 0 28px;
            font-size: 14px;
            line-height: 1.75;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .site-footer h3,
        .site-footer h4 {
            color: var(--white);
            font-weight: 700;
        }

        .site-footer h3 {
            font-size: 20px;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
        }

        .site-footer h3 .brand-mark {
            display: inline-block;
            width: 8px;
            height: 8px;
            background: var(--primary);
            border-radius: 50%;
            margin-right: 8px;
        }

        .site-footer h4 {
            font-size: 15px;
            margin-bottom: 14px;
        }

        .site-footer p {
            margin-bottom: 8px;
        }

        .site-footer ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .site-footer ul li {
            margin-bottom: 8px;
        }

        .site-footer ul li a {
            color: rgba(255, 255, 255, 0.7);
            transition: color var(--transition);
        }

        .site-footer ul li a:hover {
            color: #93C5FD;
        }

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
            text-align: center;
        }

        /* ============ 按钮通用 ============ */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: var(--white);
            font-size: 15px;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius-pill);
            border: none;
            cursor: pointer;
            min-height: 48px;
            line-height: 1.4;
            transition: background-color var(--transition), transform var(--transition), box-shadow var(--transition);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            color: var(--white);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(37, 99, 235, 0.25);
        }

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

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--primary);
            font-size: 15px;
            font-weight: 600;
            padding: 11px 28px;
            border-radius: var(--radius-pill);
            border: 1px solid var(--primary);
            cursor: pointer;
            min-height: 48px;
            line-height: 1.4;
            transition: background-color var(--transition), color var(--transition), transform var(--transition);
        }

        .btn-secondary:hover {
            background: rgba(37, 99, 235, 0.06);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }

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

        /* ============ 响应式断点 ============ */
        @media (max-width: 1024px) {
            :root {
                --spacing-section: 56px;
            }

            .brand a {
                font-size: 24px;
            }

            .nav-channels a {
                padding: 8px 14px;
                font-size: 14px;
            }

            .category-header .category-title {
                font-size: 30px;
            }

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

            .tools-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .query-cta-wrap {
                padding: 40px 32px;
                flex-direction: column;
                text-align: center;
                gap: 20px;
            }

            .query-cta-wrap .cta-desc {
                margin-left: auto;
                margin-right: auto;
            }
        }

        @media (max-width: 768px) {
            :root {
                --spacing-section: 48px;
            }

            html {
                font-size: 15px;
            }

            body {
                font-size: 15px;
            }

            .nav-channels {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .brand a {
                font-size: 20px;
            }

            .brand-mark {
                width: 8px;
                height: 8px;
                margin-right: 6px;
            }

            .category-header .category-title {
                font-size: 26px;
            }

            .category-header .category-lead {
                font-size: 15px;
            }

            .section-title {
                font-size: 24px;
            }

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

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

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

            .tool-card {
                padding: 18px 16px;
            }

            .editor-note-card {
                padding: 24px 22px;
            }

            .query-cta-wrap {
                padding: 32px 24px;
            }

            .query-cta-wrap .cta-title {
                font-size: 20px;
            }

            .subscribe-card {
                padding: 24px 20px;
            }

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

            .subscribe-form input[type="email"],
            .subscribe-form .btn-submit {
                width: 100%;
            }

            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .site-footer {
                padding: 48px 0 20px;
            }
        }

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

            .section-title {
                font-size: 20px;
            }

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

            .tool-card {
                text-align: left;
                display: flex;
                align-items: flex-start;
                gap: 14px;
                padding: 16px;
            }

            .tool-card .tool-icon {
                width: 44px;
                height: 44px;
                font-size: 18px;
                margin: 0;
                flex-shrink: 0;
            }

            .article-card .card-title {
                font-size: 16px;
            }

            .query-cta-wrap {
                padding: 24px 18px;
                border-radius: var(--radius-md);
            }

            .query-cta-wrap .cta-title {
                font-size: 18px;
            }

            .btn-primary,
            .btn-secondary,
            .btn-primary-light {
                width: 100%;
                justify-content: center;
            }

            .breadcrumb {
                font-size: 13px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #2563EB;
            --primary-dark: #1E40AF;
            --primary-deeper: #1E3A8A;
            --ink: #111827;
            --ink-2: #0F172A;
            --muted: #4B5563;
            --muted-light: #6B7280;
            --line: #E5E7EB;
            --bg: #F5F7FA;
            --white: #FFFFFF;
            --radius-sm: 10px;
            --radius-md: 14px;
            --radius-lg: 18px;
            --radius-pill: 999px;
            --shadow-sm: 0 4px 16px rgba(15, 23, 42, 0.06);
            --shadow-md: 0 8px 28px rgba(15, 23, 42, 0.08);
            --shadow-lg: 0 12px 32px rgba(15, 23, 42, 0.10);
            --spacing-section: 72px;
            --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --transition: 200ms ease;
        }

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

        html {
            font-size: 16px;
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.75;
            color: var(--ink);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

        a:hover,
        a:focus {
            color: var(--primary-dark);
        }

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

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 2px solid rgba(37, 99, 235, 0.5);
            outline-offset: 2px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        section {
            padding: var(--spacing-section) 0;
        }

        /* ============ HEADER / 杂志刊头导航 ============ */
        .top-nav {
            background: var(--white);
            border-bottom: 1px solid var(--line);
            box-shadow: 0 2px 12px rgba(15, 23, 42, 0.04);
            position: sticky;
            top: 0;
            z-index: 100;
            padding: 14px 0;
        }

        .top-nav .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }

        .brand {
            font-size: 28px;
            font-weight: 700;
            color: var(--ink);
            letter-spacing: -0.01em;
            white-space: nowrap;
            line-height: 1.2;
            display: flex;
            align-items: center;
        }

        .brand a {
            color: var(--ink);
            font-weight: 700;
            font-size: 28px;
            line-height: 1.2;
            transition: color var(--transition);
        }

        .brand a:hover,
        .brand a:focus {
            color: var(--primary);
        }

        .brand-mark {
            display: inline-block;
            width: 10px;
            height: 10px;
            background: var(--primary);
            border-radius: 50%;
            margin-right: 10px;
            flex-shrink: 0;
        }

        .nav-channels {
            display: flex;
            align-items: center;
            gap: 0;
        }

        .nav-channels a {
            font-size: 15px;
            font-weight: 500;
            color: var(--muted);
            padding: 8px 20px;
            border-left: 1px solid var(--line);
            transition: color var(--transition), background-color var(--transition);
            display: inline-flex;
            align-items: center;
            min-height: 44px;
            line-height: 1.3;
        }

        .nav-channels a:first-of-type {
            border-left: none;
        }

        .nav-channels a:hover {
            color: var(--primary);
        }

        .nav-channels a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .hamburger {
            display: none;
            background: transparent;
            border: 1px solid var(--line);
            border-radius: var(--radius-sm);
            width: 44px;
            height: 44px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            color: var(--ink);
            font-size: 20px;
            transition: background-color var(--transition);
        }

        .hamburger:hover {
            background-color: var(--bg);
        }

        .mobile-drawer {
            display: none;
            position: fixed;
            top: 0;
            right: 0;
            bottom: 0;
            width: 280px;
            background: var(--white);
            z-index: 200;
            box-shadow: -4px 0 20px rgba(15, 23, 42, 0.12);
            padding: 20px;
            transform: translateX(100%);
            transition: transform 250ms ease;
            overflow-y: auto;
        }

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

        .drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 24px;
            padding-bottom: 16px;
            border-bottom: 1px solid var(--line);
        }

        .drawer-header span {
            font-size: 18px;
            font-weight: 700;
            color: var(--ink);
        }

        .drawer-close {
            background: none;
            border: none;
            font-size: 28px;
            color: var(--muted);
            cursor: pointer;
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            transition: background-color var(--transition);
        }

        .drawer-close:hover {
            background-color: var(--bg);
        }

        .mobile-drawer nav a {
            display: flex;
            align-items: center;
            min-height: 48px;
            font-size: 16px;
            color: var(--ink);
            border-bottom: 1px solid var(--line);
            font-weight: 500;
            padding: 0 4px;
            transition: color var(--transition), background-color var(--transition);
        }

        .mobile-drawer nav a:hover {
            color: var(--primary);
            background: var(--bg);
        }

        .mobile-drawer nav a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .drawer-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(15, 23, 42, 0.4);
            z-index: 150;
            opacity: 0;
            transition: opacity 250ms ease;
        }

        .drawer-overlay.visible {
            display: block;
            opacity: 1;
        }

        /* ============ 面包屑 + 分类头部 ============ */
        .block-category-head {
            padding: 40px 0 28px;
            background: linear-gradient(180deg, #EBF0FA 0%, #F5F7FA 100%);
            border-bottom: 1px solid var(--line);
        }

        .breadcrumb {
            font-size: 13px;
            color: var(--muted-light);
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
        }

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

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

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

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

        .category-head-grid {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 36px;
            align-items: start;
        }

        .category-head-text h1 {
            font-size: 34px;
            font-weight: 700;
            line-height: 1.2;
            color: var(--ink);
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }

        .category-head-text p {
            font-size: 16px;
            color: var(--muted);
            line-height: 1.7;
            max-width: 640px;
        }

        .category-head-aside {
            background: var(--white);
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            padding: 20px;
            box-shadow: var(--shadow-sm);
        }

        .aside-label {
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--muted-light);
            margin-bottom: 12px;
        }

        .aside-metrics {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
        }

        .aside-metric {
            padding: 12px;
            background: var(--bg);
            border-radius: var(--radius-sm);
            text-align: center;
        }

        .aside-metric .num {
            font-size: 26px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
        }

        .aside-metric .label {
            font-size: 12px;
            color: var(--muted-light);
            margin-top: 4px;
        }

        .aside-caption {
            font-size: 12px;
            color: var(--muted-light);
            margin-top: 12px;
            line-height: 1.5;
        }

        /* ============ 通用板块标题 ============ */
        .section-header {
            margin-bottom: 40px;
        }

        .section-header h2 {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.25;
            color: var(--ink);
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }

        .section-header p {
            font-size: 15px;
            color: var(--muted);
            line-height: 1.7;
            max-width: 680px;
        }

        /* ============ 列表主体：深浅交替文章卡 ============ */
        .block-article-list {
            background: var(--white);
        }

        .article-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .article-row {
            display: grid;
            grid-template-columns: 240px 1fr;
            gap: 24px;
            padding: 28px 20px;
            border-bottom: 1px solid var(--line);
            transition: background-color var(--transition), box-shadow var(--transition);
            border-radius: 0;
        }

        .article-row:nth-child(even) {
            background: #FAFBFC;
        }

        .article-row:nth-child(odd) {
            background: var(--white);
        }

        .article-row:hover {
            background: #F0F4FF;
            box-shadow: inset 0 0 0 1px rgba(37, 99, 235, 0.12);
        }

        .article-row .article-thumb {
            border-radius: var(--radius-sm);
            overflow: hidden;
            aspect-ratio: 16/9;
            background: #E5E7EB;
        }

        .article-row .article-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-sm);
            transition: transform 300ms ease;
        }

        .article-row:hover .article-thumb img {
            transform: scale(1.03);
        }

        .article-row .article-info {
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .article-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 8px;
            font-size: 13px;
            color: var(--muted-light);
        }

        .article-tag {
            display: inline-block;
            background: #EFF4FF;
            color: var(--primary);
            font-size: 12px;
            font-weight: 500;
            padding: 2px 12px;
            border-radius: var(--radius-pill);
            letter-spacing: 0.02em;
        }

        .article-date {
            font-size: 13px;
            color: var(--muted-light);
        }

        .article-row h3 {
            font-size: 19px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--ink);
            margin-bottom: 8px;
        }

        .article-row h3 a {
            color: var(--ink);
            transition: color var(--transition);
        }

        .article-row h3 a:hover {
            color: var(--primary);
        }

        .article-row .article-excerpt {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.65;
        }

        .list-more-wrap {
            text-align: center;
            padding: 20px 0 4px;
        }

        .btn-outline-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
            border-radius: var(--radius-pill);
            padding: 10px 28px;
            font-size: 15px;
            font-weight: 500;
            cursor: pointer;
            min-height: 44px;
            transition: background-color var(--transition), color var(--transition), box-shadow var(--transition);
            text-decoration: none;
        }

        .btn-outline-primary:hover {
            background: var(--primary);
            color: var(--white);
            box-shadow: var(--shadow-sm);
        }

        .btn-outline-primary:active {
            transform: translateY(2px);
            box-shadow: none;
        }

        /* ============ 赔率术语说明横条 ============ */
        .block-odds-terms {
            background: var(--bg);
        }

        .terms-strip {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 14px;
        }

        .term-card {
            background: var(--white);
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            padding: 18px 14px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition);
        }

        .term-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }

        .term-card .term-icon {
            font-size: 24px;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .term-card h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--ink);
            margin-bottom: 6px;
            line-height: 1.3;
        }

        .term-card p {
            font-size: 12px;
            color: var(--muted-light);
            line-height: 1.5;
        }

        /* ============ 盘口案例卡片组 ============ */
        .block-odds-cases {
            background: var(--white);
        }

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

        .case-card {
            background: var(--bg);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--line);
            transition: box-shadow var(--transition), transform var(--transition);
        }

        .case-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }

        .case-card .case-img {
            aspect-ratio: 16/9;
            overflow: hidden;
            background: #DBE3F0;
        }

        .case-card .case-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
        }

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

        .case-card .case-label {
            font-size: 11px;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--primary);
            margin-bottom: 6px;
        }

        .case-card h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--ink);
            line-height: 1.35;
            margin-bottom: 8px;
        }

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

        /* ============ 阅读清单 ============ */
        .block-reading-list {
            background: var(--bg);
        }

        .reading-list {
            display: flex;
            flex-direction: column;
            border-top: 1px solid var(--line);
        }

        .reading-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 16px;
            border-bottom: 1px solid var(--line);
            background: var(--white);
            transition: background-color var(--transition);
            gap: 16px;
        }

        .reading-item:hover {
            background: #F0F4FF;
        }

        .reading-item .reading-num {
            font-size: 14px;
            font-weight: 700;
            color: var(--muted-light);
            min-width: 32px;
            text-align: center;
        }

        .reading-item .reading-title {
            font-size: 16px;
            font-weight: 500;
            color: var(--ink);
            flex: 1;
            line-height: 1.4;
        }

        .reading-item .reading-arrow {
            font-size: 14px;
            color: var(--muted-light);
            transition: color var(--transition), transform var(--transition);
        }

        .reading-item:hover .reading-arrow {
            color: var(--primary);
            transform: translateX(4px);
        }

        /* ============ 相关数据卡 ============ */
        .block-data-summary {
            background: var(--white);
        }

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

        .data-summary-card {
            background: var(--bg);
            border-radius: var(--radius-md);
            padding: 24px;
            border: 1px solid var(--line);
        }

        .data-summary-card .ds-icon {
            font-size: 22px;
            color: var(--primary);
            margin-bottom: 12px;
        }

        .data-summary-card h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 8px;
        }

        .data-summary-card p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.65;
        }

        .data-summary-card .ds-num {
            font-size: 32px;
            font-weight: 700;
            color: var(--primary-dark);
            line-height: 1.2;
            margin-bottom: 4px;
        }

        /* ============ CTA ============ */
        .block-cta {
            background: var(--ink-2);
            padding: 56px 0;
        }

        .cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }

        .cta-inner h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--white);
            line-height: 1.3;
            margin-bottom: 6px;
        }

        .cta-inner p {
            font-size: 15px;
            color: #B8C4D9;
            line-height: 1.6;
            max-width: 480px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: var(--white);
            border: none;
            border-radius: var(--radius-pill);
            padding: 12px 32px;
            font-size: 15px;
            font-weight: 500;
            cursor: pointer;
            min-height: 48px;
            transition: background-color var(--transition), box-shadow var(--transition), transform var(--transition);
            text-decoration: none;
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            color: var(--white);
            box-shadow: var(--shadow-md);
        }

        .btn-primary:active {
            transform: translateY(2px);
            box-shadow: none;
            background: var(--primary-deeper);
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: var(--ink-2);
            color: #B8C4D9;
            padding: 56px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1.1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
        }

        .footer-brand .brand-mark {
            display: inline-block;
            width: 8px;
            height: 8px;
            background: var(--primary);
            border-radius: 50%;
            margin-right: 8px;
            flex-shrink: 0;
        }

        .footer-brand p {
            font-size: 14px;
            color: #B8C4D9;
            line-height: 1.7;
        }

        .footer-channels h4,
        .footer-contact h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--white);
            margin-bottom: 14px;
        }

        .footer-channels ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-channels ul li {
            margin-bottom: 8px;
        }

        .footer-channels ul li a {
            font-size: 14px;
            color: #B8C4D9;
            transition: color var(--transition);
            text-decoration: none;
        }

        .footer-channels ul li a:hover {
            color: #93B4FF;
        }

        .footer-contact p {
            font-size: 14px;
            color: #B8C4D9;
            line-height: 1.7;
            margin-bottom: 6px;
        }

        .footer-bottom {
            padding: 20px 0;
            text-align: center;
        }

        .footer-bottom p {
            font-size: 13px;
            color: #7A8BA3;
            margin: 0;
        }

        /* ============ 响应式断点 ============ */
        @media screen and (max-width: 1024px) {
            .category-head-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .category-head-aside {
                max-width: 480px;
            }

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

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

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

            .article-row {
                grid-template-columns: 200px 1fr;
                gap: 18px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media screen and (max-width: 768px) {
            :root {
                --spacing-section: 48px;
            }

            html {
                font-size: 15px;
            }

            body {
                font-size: 15px;
            }

            .nav-channels {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .brand a {
                font-size: 22px;
            }

            .brand-mark {
                width: 8px;
                height: 8px;
                margin-right: 6px;
            }

            .mobile-drawer {
                display: block;
            }

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

            .section-header h2 {
                font-size: 23px;
            }

            .article-row {
                grid-template-columns: 1fr;
                padding: 20px;
                gap: 14px;
            }

            .article-row .article-thumb {
                max-width: 100%;
                aspect-ratio: 16/9;
            }

            .terms-strip {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }

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

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

            .cta-inner {
                flex-direction: column;
                align-items: flex-start;
            }

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

            .reading-item {
                flex-wrap: wrap;
                padding: 14px 12px;
            }

            .reading-item .reading-title {
                font-size: 15px;
            }

            .list-more-wrap {
                padding: 16px 0;
            }
        }

        @media screen and (max-width: 520px) {
            .category-head-text h1 {
                font-size: 22px;
            }

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

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

            .term-card {
                padding: 14px 10px;
            }

            .term-card h4 {
                font-size: 13px;
            }

            .cta-inner h2 {
                font-size: 20px;
            }

            .btn-primary {
                width: 100%;
                justify-content: center;
            }

            .btn-outline-primary {
                width: 100%;
                justify-content: center;
            }

            .article-row {
                padding: 16px 12px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #2563EB;
            --primary-dark: #1E40AF;
            --primary-deeper: #1E3A8A;
            --ink: #111827;
            --ink-2: #0F172A;
            --muted: #4B5563;
            --muted-light: #6B7280;
            --line: #E5E7EB;
            --bg: #F5F7FA;
            --white: #FFFFFF;
            --radius-sm: 10px;
            --radius-md: 14px;
            --radius-lg: 18px;
            --radius-pill: 999px;
            --shadow-sm: 0 4px 16px rgba(15, 23, 42, 0.06);
            --shadow-md: 0 8px 28px rgba(15, 23, 42, 0.08);
            --shadow-lg: 0 12px 32px rgba(15, 23, 42, 0.10);
            --spacing-section: 72px;
            --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --transition: 200ms ease;
        }
        @media (max-width: 768px) {
            :root {
                --spacing-section: 48px;
            }
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            font-size: 16px;
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.75;
            color: var(--ink);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover,
        a:focus {
            color: var(--primary-dark);
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 2px solid rgba(37, 99, 235, 0.5);
            outline-offset: 2px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        section {
            padding: var(--spacing-section) 0;
        }
        @media (max-width: 768px) {
            html {
                font-size: 15px;
            }
            body {
                font-size: 15px;
            }
        }
        @media (max-width: 520px) {
            html {
                font-size: 14px;
            }
        }

        /* ============ HEADER / 杂志刊头导航 ============ */
        .top-nav {
            background: var(--white);
            border-bottom: 1px solid var(--line);
            box-shadow: 0 2px 12px rgba(15, 23, 42, 0.04);
            position: sticky;
            top: 0;
            z-index: 100;
            padding: 14px 0;
        }
        .top-nav .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }
        .brand {
            font-size: 28px;
            font-weight: 700;
            color: var(--ink);
            letter-spacing: -0.01em;
            white-space: nowrap;
            line-height: 1.2;
            display: flex;
            align-items: center;
        }
        .brand a {
            color: var(--ink);
            font-weight: 700;
            font-size: 28px;
            line-height: 1.2;
            transition: color var(--transition);
        }
        .brand a:hover,
        .brand a:focus {
            color: var(--primary);
        }
        .brand-mark {
            display: inline-block;
            width: 10px;
            height: 10px;
            background: var(--primary);
            border-radius: 50%;
            margin-right: 10px;
            flex-shrink: 0;
        }
        .nav-channels {
            display: flex;
            align-items: center;
            gap: 0;
        }
        .nav-channels a {
            font-size: 15px;
            font-weight: 500;
            color: var(--muted);
            padding: 8px 18px;
            border-left: 1px solid var(--line);
            transition: color var(--transition), background-color var(--transition);
            display: inline-flex;
            align-items: center;
            min-height: 44px;
            line-height: 1.3;
            white-space: nowrap;
        }
        .nav-channels a:first-of-type {
            border-left: none;
        }
        .nav-channels a:hover {
            color: var(--primary);
        }
        .nav-channels a.active {
            color: var(--primary);
            font-weight: 600;
        }
        .hamburger {
            display: none;
            background: transparent;
            border: 1px solid var(--line);
            border-radius: var(--radius-sm);
            width: 44px;
            height: 44px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            color: var(--ink);
            font-size: 20px;
            transition: background-color var(--transition);
        }
        .hamburger:hover {
            background-color: var(--bg);
        }
        .off-canvas {
            position: fixed;
            top: 0;
            right: -320px;
            width: 280px;
            max-width: 85vw;
            height: 100vh;
            background: var(--white);
            box-shadow: var(--shadow-lg);
            z-index: 200;
            padding: 24px 20px;
            transition: right var(--transition);
            overflow-y: auto;
        }
        .off-canvas.open {
            right: 0;
        }
        .off-canvas-overlay {
            position: fixed;
            inset: 0;
            background: rgba(15, 23, 42, 0.5);
            z-index: 150;
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition);
        }
        .off-canvas-overlay.open {
            opacity: 1;
            pointer-events: auto;
        }
        .off-canvas .close-btn {
            font-size: 28px;
            color: var(--muted);
            background: none;
            border: none;
            cursor: pointer;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            justify-content: flex-end;
            width: 100%;
        }
        .off-canvas nav a {
            display: flex;
            align-items: center;
            min-height: 48px;
            font-size: 16px;
            color: var(--ink);
            border-bottom: 1px solid var(--line);
            font-weight: 500;
            padding: 0 4px;
            transition: color var(--transition), background-color var(--transition);
        }
        .off-canvas nav a:hover {
            color: var(--primary);
            background: var(--bg);
        }
        .off-canvas nav a.active {
            color: var(--primary);
            font-weight: 600;
        }
        .off-canvas .off-canvas-brand {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--ink);
        }
        @media (max-width: 900px) {
            .nav-channels {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .brand a {
                font-size: 22px;
            }
            .brand-mark {
                width: 8px;
                height: 8px;
                margin-right: 6px;
            }
        }

        /* ============ Breadcrumb ============ */
        .breadcrumb-section {
            background: var(--white);
            border-bottom: 1px solid var(--line);
            padding: 14px 0;
        }
        .breadcrumb-bar {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 14px;
            color: var(--muted-light);
        }
        .breadcrumb-bar a {
            color: var(--muted);
            transition: color var(--transition);
        }
        .breadcrumb-bar a:hover {
            color: var(--primary);
        }
        .breadcrumb-bar .separator {
            color: var(--line);
        }
        .breadcrumb-bar .current {
            color: var(--primary);
            font-weight: 500;
        }

        /* ============ Category H1 Header ============ */
        .category-hero {
            background: linear-gradient(135deg, #FFFFFF 0%, #F5F7FA 100%);
            border-bottom: 1px solid var(--line);
            padding: 48px 0 56px;
        }
        .category-hero .container {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 48px;
            align-items: center;
        }
        .category-hero-text h1 {
            font-size: 36px;
            line-height: 1.25;
            font-weight: 700;
            color: var(--ink);
            margin: 0 0 16px;
            letter-spacing: -0.01em;
        }
        .category-hero-text h1 .accent {
            color: var(--primary);
        }
        .category-hero-text p {
            font-size: 17px;
            color: var(--muted);
            line-height: 1.8;
            margin: 0;
            max-width: 580px;
        }
        .category-hero-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-top: 20px;
            flex-wrap: wrap;
        }
        .category-hero-meta .tag {
            background: var(--bg);
            color: var(--muted);
            font-size: 13px;
            font-weight: 500;
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            border: 1px solid var(--line);
        }
        .category-hero-meta .tag i {
            color: var(--primary);
            margin-right: 6px;
            font-size: 12px;
        }
        .category-hero-visual {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            min-height: 240px;
        }
        .category-hero-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-lg);
        }
        .category-hero-visual::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(15, 23, 42, 0.1) 0%, rgba(37, 99, 235, 0.2) 100%);
            pointer-events: none;
            border-radius: var(--radius-lg);
        }
        @media (max-width: 900px) {
            .category-hero .container {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .category-hero-visual {
                min-height: 200px;
                order: -1;
            }
            .category-hero-text h1 {
                font-size: 28px;
            }
        }
        @media (max-width: 520px) {
            .category-hero-text h1 {
                font-size: 24px;
            }
        }

        /* ============ Section common ============ */
        .section-alt {
            background: var(--white);
        }
        .section-head {
            margin-bottom: 36px;
        }
        .section-head h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--ink);
            margin: 0 0 12px;
            line-height: 1.3;
            letter-spacing: -0.01em;
        }
        .section-head p {
            font-size: 16px;
            color: var(--muted);
            margin: 0;
            max-width: 680px;
            line-height: 1.8;
        }
        .section-head .head-line {
            display: inline-block;
            width: 40px;
            height: 4px;
            background: var(--primary);
            border-radius: 2px;
            margin-bottom: 16px;
        }
        @media (max-width: 768px) {
            .section-head h2 {
                font-size: 24px;
            }
        }

        /* ============ League grid cards ============ */
        .league-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .league-card {
            background: var(--white);
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .league-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: rgba(37, 99, 235, 0.25);
        }
        .league-card-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }
        .league-card-name {
            font-size: 20px;
            font-weight: 700;
            color: var(--ink);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .league-card-name .flag-dot {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: var(--bg);
            color: var(--primary);
            font-size: 14px;
            flex-shrink: 0;
        }
        .league-card-badge {
            background: #EEF2FF;
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            white-space: nowrap;
        }
        .league-card-desc {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
            margin: 0;
        }
        .league-card-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 4px;
        }
        .league-card-stats .stat-chip {
            background: var(--bg);
            color: var(--muted);
            font-size: 12px;
            font-weight: 500;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            border: 1px solid var(--line);
        }
        @media (max-width: 900px) {
            .league-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 560px) {
            .league-grid {
                grid-template-columns: 1fr;
            }
            .league-card {
                padding: 20px;
            }
        }

        /* ============ Pattern summary cards ============ */
        .pattern-summary-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .pattern-summary-card {
            background: var(--white);
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition);
        }
        .pattern-summary-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .pattern-summary-card .big-number {
            font-size: 42px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
            letter-spacing: -0.01em;
            margin-bottom: 8px;
        }
        .pattern-summary-card .big-number small {
            font-size: 20px;
            font-weight: 500;
            color: var(--muted-light);
        }
        .pattern-summary-card .summary-label {
            font-size: 15px;
            font-weight: 600;
            color: var(--ink);
            margin-bottom: 6px;
        }
        .pattern-summary-card .summary-desc {
            font-size: 13px;
            color: var(--muted-light);
            line-height: 1.6;
            margin: 0;
        }
        @media (max-width: 900px) {
            .pattern-summary-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .pattern-summary-grid {
                grid-template-columns: 1fr;
            }
            .pattern-summary-card .big-number {
                font-size: 32px;
            }
        }

        /* ============ Season stage nav bar ============ */
        .stage-nav {
            background: var(--white);
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            padding: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            box-shadow: var(--shadow-sm);
        }
        .stage-nav .stage-label {
            font-size: 15px;
            font-weight: 700;
            color: var(--ink);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .stage-nav .stage-label i {
            color: var(--primary);
            font-size: 18px;
        }
        .stage-nav .stage-tabs {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .stage-nav .stage-tab {
            background: var(--bg);
            color: var(--muted);
            font-size: 13px;
            font-weight: 500;
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            border: 1px solid var(--line);
            cursor: pointer;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            min-height: 40px;
        }
        .stage-nav .stage-tab:hover {
            color: var(--primary);
            border-color: var(--primary);
        }
        .stage-nav .stage-tab.active {
            background: var(--primary);
            color: var(--white);
            border-color: var(--primary);
            font-weight: 600;
        }

        /* ============ Sample cards ============ */
        .sample-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .sample-card {
            background: var(--white);
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition);
            display: flex;
            flex-direction: column;
        }
        .sample-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .sample-card-img {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--bg);
        }
        .sample-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
        }
        .sample-card-body {
            padding: 20px 22px 24px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }
        .sample-card-body .sample-tag {
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background: #EEF2FF;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            display: inline-block;
            width: fit-content;
        }
        .sample-card-body h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--ink);
            margin: 0;
            line-height: 1.4;
        }
        .sample-card-body p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
            margin: 0;
        }
        @media (max-width: 900px) {
            .sample-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 560px) {
            .sample-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ============ Method card ============ */
        .method-card {
            background: var(--white);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            padding: 36px;
            box-shadow: var(--shadow-sm);
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
            align-items: center;
        }
        .method-card-text h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--ink);
            margin: 0 0 12px;
        }
        .method-card-text p {
            font-size: 15px;
            color: var(--muted);
            line-height: 1.8;
            margin: 0 0 16px;
        }
        .method-card-text .method-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .method-card-text .method-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: var(--muted);
            line-height: 1.6;
        }
        .method-card-text .method-list li i {
            color: var(--primary);
            font-size: 14px;
            margin-top: 4px;
            flex-shrink: 0;
        }
        .method-card-visual {
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            min-height: 220px;
        }
        .method-card-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-md);
        }
        @media (max-width: 800px) {
            .method-card {
                grid-template-columns: 1fr;
                padding: 24px;
                gap: 24px;
            }
            .method-card-visual {
                min-height: 180px;
                order: -1;
            }
        }

        /* ============ CTA section ============ */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            box-shadow: var(--shadow-lg);
        }
        .cta-section .cta-text h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--white);
            margin: 0 0 8px;
            line-height: 1.3;
        }
        .cta-section .cta-text p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.85);
            margin: 0;
            line-height: 1.7;
        }
        .cta-section .cta-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .btn-primary {
            background: var(--white);
            color: var(--primary);
            font-size: 15px;
            font-weight: 600;
            padding: 12px 28px;
            border: none;
            border-radius: var(--radius-pill);
            cursor: pointer;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            min-height: 48px;
            white-space: nowrap;
        }
        .btn-primary:hover {
            background: #F0F4FF;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .btn-primary:active {
            transform: translateY(1px);
        }
        .btn-secondary {
            background: transparent;
            color: var(--white);
            font-size: 15px;
            font-weight: 600;
            padding: 12px 28px;
            border: 2px solid rgba(255, 255, 255, 0.6);
            border-radius: var(--radius-pill);
            cursor: pointer;
            transition: border-color var(--transition), background var(--transition), color var(--transition), transform var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            min-height: 48px;
            white-space: nowrap;
        }
        .btn-secondary:hover {
            border-color: var(--white);
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-2px);
        }
        .btn-secondary:active {
            transform: translateY(1px);
        }
        @media (max-width: 700px) {
            .cta-section {
                padding: 32px 24px;
                flex-direction: column;
                text-align: center;
            }
            .cta-section .cta-text h2 {
                font-size: 22px;
            }
            .cta-section .cta-actions {
                justify-content: center;
            }
        }

        /* ============ Load more button ============ */
        .load-more-wrap {
            text-align: center;
            margin-top: 36px;
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            font-size: 15px;
            font-weight: 600;
            padding: 12px 32px;
            border: 2px solid var(--primary);
            border-radius: var(--radius-pill);
            cursor: pointer;
            transition: background var(--transition), color var(--transition), transform var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            min-height: 48px;
        }
        .btn-outline:hover {
            background: var(--primary);
            color: var(--white);
            transform: translateY(-2px);
        }
        .btn-outline:active {
            transform: translateY(1px);
        }

        /* ============ Footer ============ */
        .site-footer {
            background: var(--ink-2);
            color: rgba(255, 255, 255, 0.75);
            padding: 48px 0 0;
            margin-top: 60px;
        }
        .site-footer .container {
            padding-bottom: 40px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 32px;
        }
        .footer-brand h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--white);
            margin: 0 0 12px;
            display: flex;
            align-items: center;
        }
        .footer-brand h3 .brand-mark {
            display: inline-block;
            width: 8px;
            height: 8px;
            background: var(--primary);
            border-radius: 50%;
            margin-right: 8px;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            margin: 0;
            color: rgba(255, 255, 255, 0.65);
        }
        .footer-channels h4,
        .footer-contact h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--white);
            margin: 0 0 14px;
        }
        .footer-channels ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-channels ul li a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            transition: color var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .footer-channels ul li a:hover {
            color: #93C5FD;
        }
        .footer-contact p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.7;
            margin: 0 0 8px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding: 20px 0;
            text-align: center;
        }
        .footer-bottom p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
            margin: 0;
        }
        @media (max-width: 800px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }

        /* ============ Foundation overrides ============ */
        .grid-x {
            margin: 0;
        }
        .cell {
            padding: 0;
        }

/* roulang page: category4 */
:root {
            --primary: #2563EB;
            --primary-dark: #1E40AF;
            --primary-deeper: #1E3A8A;
            --ink: #111827;
            --ink-2: #0F172A;
            --muted: #4B5563;
            --muted-light: #6B7280;
            --line: #E5E7EB;
            --bg: #F5F7FA;
            --white: #FFFFFF;
            --radius-sm: 10px;
            --radius-md: 14px;
            --radius-lg: 18px;
            --radius-pill: 999px;
            --shadow-sm: 0 4px 16px rgba(15, 23, 42, 0.06);
            --shadow-md: 0 8px 28px rgba(15, 23, 42, 0.08);
            --shadow-lg: 0 12px 32px rgba(15, 23, 42, 0.10);
            --spacing-section: 72px;
            --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --transition: 200ms ease;
        }

        @media (max-width: 768px) {
            :root {
                --spacing-section: 48px;
            }
        }

        html {
            font-size: 16px;
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.75;
            color: var(--ink);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
        }

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

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

        a:hover,
        a:focus {
            color: var(--primary-dark);
        }

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

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 2px solid rgba(37, 99, 235, 0.5);
            outline-offset: 2px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        section {
            padding: var(--spacing-section) 0;
        }

        /* ============ HEADER / 杂志刊头导航 ============ */
        .top-nav {
            background: var(--white);
            border-bottom: 1px solid var(--line);
            box-shadow: 0 2px 12px rgba(15, 23, 42, 0.04);
            position: sticky;
            top: 0;
            z-index: 100;
            padding: 14px 0;
        }

        .top-nav .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }

        .brand {
            font-size: 28px;
            font-weight: 700;
            color: var(--ink);
            letter-spacing: -0.01em;
            white-space: nowrap;
            line-height: 1.2;
            display: flex;
            align-items: center;
        }

        .brand a {
            color: var(--ink);
            font-weight: 700;
            font-size: 28px;
            line-height: 1.2;
            transition: color var(--transition);
        }

        .brand a:hover,
        .brand a:focus {
            color: var(--primary);
        }

        .brand-mark {
            display: inline-block;
            width: 10px;
            height: 10px;
            background: var(--primary);
            border-radius: 50%;
            margin-right: 10px;
            flex-shrink: 0;
        }

        .nav-channels {
            display: flex;
            align-items: center;
            gap: 0;
        }

        .nav-channels a {
            font-size: 15px;
            font-weight: 500;
            color: var(--muted);
            padding: 8px 20px;
            border-left: 1px solid var(--line);
            transition: color var(--transition), background-color var(--transition);
            display: inline-flex;
            align-items: center;
            min-height: 44px;
            line-height: 1.3;
        }

        .nav-channels a:first-of-type {
            border-left: none;
        }

        .nav-channels a:hover {
            color: var(--primary);
        }

        .nav-channels a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .hamburger {
            display: none;
            background: transparent;
            border: 1px solid var(--line);
            border-radius: var(--radius-sm);
            width: 44px;
            height: 44px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            color: var(--ink);
            font-size: 20px;
            transition: background-color var(--transition);
        }

        .hamburger:hover {
            background-color: var(--bg);
        }

        .off-canvas {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 280px;
            height: 100vh;
            background: var(--white);
            box-shadow: var(--shadow-lg);
            z-index: 200;
            padding: 24px 20px;
            overflow-y: auto;
            transform: translateX(-100%);
            transition: transform 250ms ease;
        }

        .off-canvas.is-open {
            transform: translateX(0);
        }

        .off-canvas-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(15, 23, 42, 0.4);
            z-index: 150;
        }

        .off-canvas-overlay.is-visible {
            display: block;
        }

        .off-canvas .close-btn {
            font-size: 28px;
            color: var(--muted);
            background: none;
            border: none;
            cursor: pointer;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            justify-content: flex-end;
            width: 100%;
        }

        .off-canvas nav a {
            display: flex;
            align-items: center;
            min-height: 48px;
            font-size: 16px;
            color: var(--ink);
            border-bottom: 1px solid var(--line);
            font-weight: 500;
            padding: 0 4px;
            transition: color var(--transition), background-color var(--transition);
        }

        .off-canvas nav a:hover {
            color: var(--primary);
            background: var(--bg);
        }

        .off-canvas nav a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .off-canvas .off-canvas-brand {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
        }

        /* ============ 面包屑 ============ */
        .breadcrumb-bar {
            background: var(--white);
            border-bottom: 1px solid var(--line);
            padding: 12px 0;
        }

        .breadcrumb {
            font-size: 14px;
            color: var(--muted);
            margin: 0;
            list-style: none;
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
        }

        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .breadcrumb li:not(:last-child)::after {
            content: "/";
            color: var(--muted-light);
            font-size: 13px;
        }

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

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

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

        /* ============ 分类头部 ============ */
        .category-hero {
            background: var(--white);
            border-bottom: 1px solid var(--line);
            padding: 48px 0 40px;
        }

        .category-hero .container {
            max-width: 1200px;
        }

        .category-hero h1 {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.25;
            color: var(--ink);
            margin: 0 0 12px;
            letter-spacing: -0.01em;
        }

        .category-hero .cat-desc {
            font-size: 16px;
            color: var(--muted);
            max-width: 720px;
            line-height: 1.75;
            margin: 0;
        }

        .cat-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 16px;
        }

        .cat-tag {
            display: inline-flex;
            align-items: center;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            background: #EFF6FF;
            color: var(--primary-dark);
            font-size: 13px;
            font-weight: 500;
        }

        /* ============ 头条复盘卡 ============ */
        .block-featured-review {
            background: var(--bg);
            padding-top: 48px;
        }

        .featured-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--line);
            transition: box-shadow var(--transition);
        }

        .featured-card:hover {
            box-shadow: var(--shadow-lg);
        }

        .featured-card .featured-image {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
            border-radius: var(--radius-lg) var(--radius-lg) 0 0;
        }

        .featured-card .featured-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
        }

        .featured-badge {
            position: absolute;
            top: 16px;
            left: 16px;
            background: var(--primary);
            color: #fff;
            padding: 5px 16px;
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.01em;
        }

        .featured-card .featured-body {
            padding: 28px 32px 32px;
        }

        .featured-card .featured-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: var(--muted-light);
            margin-bottom: 12px;
        }

        .featured-card .featured-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .featured-card h2 {
            font-size: 26px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--ink);
            margin: 0 0 12px;
        }

        .featured-card .featured-excerpt {
            font-size: 15px;
            color: var(--muted);
            line-height: 1.75;
            margin: 0;
        }

        /* ============ 复盘列表 ============ */
        .block-review-list {
            background: var(--bg);
        }

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

        .section-head h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--ink);
            margin: 0 0 8px;
            letter-spacing: -0.01em;
            line-height: 1.3;
        }

        .section-head p {
            font-size: 15px;
            color: var(--muted);
            margin: 0;
            max-width: 680px;
        }

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

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

        .review-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }

        .review-card .review-image {
            aspect-ratio: 16/9;
            overflow: hidden;
            border-radius: 0;
        }

        .review-card .review-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
        }

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

        .review-card .review-date {
            font-size: 13px;
            color: var(--muted-light);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .review-card h3 {
            font-size: 19px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--ink);
            margin: 0 0 10px;
        }

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

        .review-list-footer {
            margin-top: 28px;
            text-align: center;
        }

        .btn-text {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--primary);
            font-weight: 500;
            font-size: 15px;
            padding: 10px 20px;
            border-radius: var(--radius-pill);
            transition: background-color var(--transition), color var(--transition);
        }

        .btn-text:hover {
            background: #EFF6FF;
            color: var(--primary-dark);
        }

        /* ============ 纠错清单 ============ */
        .block-correction-list {
            background: var(--white);
            border-top: 1px solid var(--line);
            border-bottom: 1px solid var(--line);
        }

        .correction-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .correction-content h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--ink);
            margin: 0 0 12px;
            line-height: 1.3;
        }

        .correction-content .correction-lead {
            font-size: 15px;
            color: var(--muted);
            margin: 0 0 24px;
            line-height: 1.75;
        }

        .correction-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .correction-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 15px;
            color: var(--ink);
            line-height: 1.6;
            padding: 14px 18px;
            background: var(--bg);
            border-radius: var(--radius-sm);
            border: 1px solid var(--line);
            transition: border-color var(--transition);
        }

        .correction-list li:hover {
            border-color: var(--primary);
        }

        .correction-list li .correction-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: #EFF6FF;
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 700;
            margin-top: 2px;
        }

        .correction-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            aspect-ratio: 4/3;
        }

        .correction-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
        }

        /* ============ 数据复审提示条 ============ */
        .block-data-review {
            background: var(--bg);
        }

        .review-alert {
            background: var(--white);
            border-radius: var(--radius-md);
            border: 1px solid var(--line);
            border-left: 4px solid var(--primary);
            box-shadow: var(--shadow-sm);
            padding: 28px 32px;
            display: flex;
            align-items: flex-start;
            gap: 20px;
        }

        .review-alert .alert-icon {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: #EFF6FF;
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
        }

        .review-alert .alert-body h2 {
            font-size: 22px;
            font-weight: 700;
            color: var(--ink);
            margin: 0 0 8px;
            line-height: 1.35;
        }

        .review-alert .alert-body p {
            font-size: 15px;
            color: var(--muted);
            margin: 0;
            line-height: 1.75;
        }

        /* ============ 免责与风险提示块 ============ */
        .block-risk-disclaimer {
            background: var(--white);
            border-top: 1px solid var(--line);
            border-bottom: 1px solid var(--line);
        }

        .disclaimer-card {
            background: #FFFBEB;
            border: 1px solid #FDE68A;
            border-radius: var(--radius-md);
            padding: 28px 32px;
            display: flex;
            align-items: flex-start;
            gap: 16px;
        }

        .disclaimer-card .disclaimer-icon {
            flex-shrink: 0;
            font-size: 22px;
            color: #D97706;
            margin-top: 2px;
        }

        .disclaimer-card h2 {
            font-size: 20px;
            font-weight: 700;
            color: #92400E;
            margin: 0 0 8px;
            line-height: 1.35;
        }

        .disclaimer-card p {
            font-size: 14px;
            color: #78350F;
            margin: 0;
            line-height: 1.75;
        }

        /* ============ 订阅/CTA 板块 ============ */
        .block-subscribe-cta {
            background: var(--bg);
        }

        .subscribe-panel {
            background: var(--ink-2);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            box-shadow: var(--shadow-md);
        }

        .subscribe-info h2 {
            color: #fff;
            font-size: 28px;
            font-weight: 700;
            margin: 0 0 12px;
            line-height: 1.3;
        }

        .subscribe-info p {
            color: #CBD5E1;
            font-size: 15px;
            margin: 0;
            line-height: 1.75;
        }

        .subscribe-form {
            background: var(--white);
            border-radius: var(--radius-md);
            padding: 28px 32px;
            box-shadow: var(--shadow-sm);
        }

        .subscribe-form label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--ink);
            margin-bottom: 8px;
        }

        .subscribe-form input[type="email"] {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--line);
            border-radius: 8px;
            font-size: 15px;
            background: #F1F3F5;
            color: var(--ink);
            margin-bottom: 16px;
            transition: border-color var(--transition), background-color var(--transition);
            min-height: 44px;
        }

        .subscribe-form input[type="email"]:focus {
            border-color: var(--primary);
            background: var(--white);
            outline: none;
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
        }

        .subscribe-form button[type="submit"] {
            width: 100%;
            padding: 12px 24px;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-pill);
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            min-height: 44px;
            transition: background-color var(--transition), transform var(--transition);
        }

        .subscribe-form button[type="submit"]:hover {
            background: var(--primary-dark);
        }

        .subscribe-form button[type="submit"]:active {
            transform: translateY(2px);
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: var(--ink-2);
            color: #CBD5E1;
            padding: 56px 0 24px;
            margin-top: 0;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 32px;
        }

        .footer-brand h3 {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 12px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-brand h3 .brand-mark {
            width: 8px;
            height: 8px;
            background: var(--primary);
            border-radius: 50%;
            display: inline-block;
        }

        .footer-brand p {
            font-size: 14px;
            color: #CBD5E1;
            line-height: 1.7;
            margin: 0;
            max-width: 340px;
        }

        .footer-channels h4,
        .footer-contact h4 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 14px;
            line-height: 1.4;
        }

        .footer-channels ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-channels ul a {
            color: #CBD5E1;
            font-size: 14px;
            transition: color var(--transition);
        }

        .footer-channels ul a:hover {
            color: #93C5FD;
        }

        .footer-contact p {
            font-size: 14px;
            color: #CBD5E1;
            line-height: 1.7;
            margin: 0 0 8px;
        }

        .footer-bottom {
            border-top: 1px solid #1E293B;
            padding-top: 20px;
            text-align: center;
        }

        .footer-bottom p {
            font-size: 13px;
            color: #94A3B8;
            margin: 0;
        }

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

            .correction-layout {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .subscribe-panel {
                grid-template-columns: 1fr;
                gap: 28px;
                padding: 36px 28px;
            }
        }

        @media (max-width: 768px) {
            .nav-channels {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .off-canvas {
                display: block;
            }

            .brand a {
                font-size: 22px;
            }

            .brand-mark {
                width: 8px;
                height: 8px;
                margin-right: 6px;
            }

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

            .featured-card h2 {
                font-size: 21px;
            }

            .featured-card .featured-body {
                padding: 20px 22px 24px;
            }

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

            .correction-content h2 {
                font-size: 24px;
            }

            .review-alert {
                flex-direction: column;
                gap: 16px;
                padding: 22px 24px;
            }

            .disclaimer-card {
                flex-direction: column;
                gap: 12px;
                padding: 22px 24px;
            }

            .subscribe-info h2 {
                font-size: 24px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 520px) {
            .featured-card .featured-body {
                padding: 16px 18px 20px;
            }

            .featured-card h2 {
                font-size: 19px;
            }

            .featured-card .featured-meta {
                flex-wrap: wrap;
                gap: 8px;
            }

            .review-card .review-body {
                padding: 16px 18px 20px;
            }

            .review-card h3 {
                font-size: 17px;
            }

            .correction-list li {
                font-size: 14px;
                padding: 12px 14px;
            }

            .review-alert .alert-body h2 {
                font-size: 19px;
            }

            .disclaimer-card h2 {
                font-size: 18px;
            }

            .subscribe-panel {
                padding: 28px 20px;
            }

            .subscribe-form {
                padding: 20px 22px;
            }

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

            .cat-tag {
                font-size: 12px;
                padding: 3px 10px;
            }
        }