/* roulang page: index */
:root {
            --primary: #1e3a8a;
            --primary-light: #3b82f6;
            --primary-dark: #0f172a;
            --accent: #d97706;
            --accent-gold: #b45309;
            --danger: #dc2626;
            --success: #16a34a;
            --text-main: #1e293b;
            --text-muted: #64748b;
            --bg-page: #f8fafc;
            --bg-card: #ffffff;
            --bg-alt: #f1f5f9;
            --border-light: #e2e8f0;
            --border-dark: #cbd5e1;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
            --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.06);
            --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.05);
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --font-serif: "Songti SC", "SimSun", "Noto Serif CJK SC", serif;
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
        }

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

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-page);
            color: var(--text-main);
            line-height: 1.68;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease;
        }

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

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 杂志刊头导航风格 */
        .masthead-header {
            background-color: #ffffff;
            border-bottom: 2px solid var(--primary-dark);
            padding-top: 12px;
        }

        .masthead-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 12px;
            color: var(--text-muted);
            border-bottom: 1px solid var(--border-light);
            padding-bottom: 8px;
            letter-spacing: 0.5px;
        }

        .masthead-brand-wrap {
            padding: 24px 0 16px;
            text-align: center;
        }

        .masthead-logo {
            font-family: var(--font-serif);
            font-size: 34px;
            font-weight: 900;
            color: var(--primary-dark);
            letter-spacing: 2px;
            display: inline-block;
            line-height: 1.2;
        }

        .masthead-tagline {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 6px;
            letter-spacing: 1px;
            text-transform: uppercase;
        }

        .masthead-nav {
            border-top: 1px solid var(--border-dark);
            background: #ffffff;
        }

        .nav-list {
            list-style: none;
            display: flex;
            justify-content: center;
            align-items: center;
            flex-wrap: wrap;
            margin: 0;
            padding: 0;
        }

        .nav-item {
            position: relative;
        }

        .nav-link {
            display: block;
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            border-right: 1px solid var(--border-light);
            transition: all 0.2s ease;
        }

        .nav-item:first-child .nav-link {
            border-left: 1px solid var(--border-light);
        }

        .nav-link:hover, .nav-link.active {
            color: var(--primary-light);
            background-color: var(--bg-alt);
        }

        /* 基础板块通式 */
        .section-block {
            padding: 56px 0;
            border-bottom: 1px solid var(--border-light);
        }

        .section-alt {
            background-color: #f1f5f9;
        }

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

        .section-eyebrow {
            font-size: 12px;
            text-transform: uppercase;
            font-weight: 700;
            color: var(--primary-light);
            letter-spacing: 1.5px;
            display: block;
            margin-bottom: 6px;
        }

        .section-title {
            font-family: var(--font-serif);
            font-size: 26px;
            font-weight: 800;
            color: var(--primary-dark);
            line-height: 1.35;
        }

        .section-intro {
            font-size: 15px;
            color: var(--text-muted);
            margin-top: 10px;
            max-width: 860px;
            line-height: 1.65;
        }

        /* Hero 拼团转化与长导语 */
        .hero-banner {
            background: linear-gradient(rgba(15, 23, 42, 0.88), rgba(15, 23, 42, 0.92)), url('/assets/images/f28cf9af50ba1951.webp') center/cover no-repeat;
            color: #ffffff;
            padding: 60px 0 70px;
        }

        .hero-layout {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
            align-items: center;
        }

        .hero-title-box h1 {
            font-family: var(--font-serif);
            font-size: 32px;
            line-height: 1.3;
            font-weight: 900;
            margin-bottom: 20px;
            color: #ffffff;
        }

        .hero-paragraphs p {
            font-size: 15px;
            line-height: 1.75;
            color: #cbd5e1;
            margin-bottom: 14px;
        }

        .hero-paragraphs p strong {
            color: #f8fafc;
        }

        .hero-action-box {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(8px);
            padding: 28px;
            border-radius: var(--radius-lg);
            text-align: center;
        }

        .group-status-badge {
            display: inline-block;
            background: #ef4444;
            color: #ffffff;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 700;
            margin-bottom: 14px;
            animation: pulse 2s infinite;
        }

        .group-counter {
            font-size: 20px;
            font-weight: 800;
            margin-bottom: 12px;
            color: #f8fafc;
        }

        .group-counter span {
            color: #f59e0b;
            font-size: 28px;
            margin: 0 4px;
        }

        .group-progress-wrap {
            background: rgba(255, 255, 255, 0.2);
            height: 10px;
            border-radius: 5px;
            overflow: hidden;
            margin: 16px 0 24px;
        }

        .group-progress-bar {
            width: 82%;
            background: #10b981;
            height: 100%;
        }

        .group-buttons {
            display: flex;
            gap: 12px;
            justify-content: center;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 700;
            border-radius: var(--radius-md);
            cursor: pointer;
            border: none;
            transition: all 0.25s ease;
            text-align: center;
        }

        .btn-primary {
            background-color: #2563eb;
            color: #ffffff;
        }

        .btn-primary:hover {
            background-color: #1d4ed8;
            transform: translateY(-1px);
        }

        .btn-secondary {
            background-color: #d97706;
            color: #ffffff;
        }

        .btn-secondary:hover {
            background-color: #b45309;
            transform: translateY(-1px);
        }

        /* 维度选择条 */
        .dimension-bar {
            background: #ffffff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            margin-bottom: 30px;
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            align-items: center;
        }

        .dimension-label {
            font-weight: 700;
            font-size: 13px;
            color: var(--primary-dark);
            margin-right: 8px;
        }

        .dim-tag {
            background: var(--bg-alt);
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 13px;
            color: var(--text-main);
            border: 1px solid transparent;
        }

        .dim-tag.active {
            background: #eff6ff;
            color: var(--primary-light);
            border-color: #bfdbfe;
            font-weight: 600;
        }

        /* 日历板块 */
        .calendar-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 16px;
        }

        .calendar-card {
            background: #ffffff;
            border: 1px solid var(--border-light);
            padding: 20px;
            border-radius: var(--radius-md);
            border-left: 4px solid var(--primary-light);
            box-shadow: var(--shadow-sm);
        }

        .calendar-phase {
            font-size: 12px;
            font-weight: 800;
            color: var(--primary-light);
            text-transform: uppercase;
        }

        .calendar-title {
            font-size: 17px;
            font-weight: 700;
            margin: 6px 0 10px;
            color: var(--primary-dark);
        }

        .calendar-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.55;
        }

        /* 热门专题 */
        .topics-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
            gap: 20px;
        }

        .topic-item {
            background: #ffffff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: transform 0.2s ease;
        }

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

        .topic-thumb {
            height: 160px;
            overflow: hidden;
            position: relative;
        }

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

        .topic-body {
            padding: 18px;
        }

        .topic-tag {
            display: inline-block;
            font-size: 11px;
            color: #d97706;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .topic-name {
            font-size: 17px;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 8px;
        }

        .topic-text {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* 榜单大卡 */
        .rankings-wrap {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .rank-card-large {
            background: #ffffff;
            border: 2px solid var(--border-dark);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-md);
            position: relative;
        }

        .rank-card-large.gold {
            border-color: #f59e0b;
            background: linear-gradient(180deg, #fffbeb 0%, #ffffff 15%);
        }

        .rank-card-large.silver {
            border-color: #94a3b8;
            background: linear-gradient(180deg, #f8fafc 0%, #ffffff 15%);
        }

        .rank-card-large.bronze {
            border-color: #d97706;
            background: linear-gradient(180deg, #fffbeb 0%, #ffffff 15%);
        }

        .rank-title-bar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-bottom: 1px solid var(--border-light);
            padding-bottom: 16px;
            margin-bottom: 18px;
            flex-wrap: wrap;
            gap: 12px;
        }

        .rank-heading {
            font-size: 20px;
            font-weight: 800;
            color: var(--primary-dark);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .rank-meta-info {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 14px;
            font-weight: 700;
        }

        .score-box {
            background: #eff6ff;
            color: #1d4ed8;
            padding: 4px 10px;
            border-radius: 4px;
            font-family: monospace;
            font-size: 16px;
        }

        .star-box {
            color: #f59e0b;
            letter-spacing: 2px;
        }

        .rank-details-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 24px;
        }

        .param-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .param-list li {
            font-size: 14px;
            margin-bottom: 8px;
            color: var(--text-main);
            display: flex;
            justify-content: space-between;
            border-bottom: 1px dashed var(--border-light);
            padding-bottom: 4px;
        }

        .param-label {
            color: var(--text-muted);
        }

        .suitability-box {
            background: var(--bg-alt);
            padding: 16px;
            border-radius: var(--radius-md);
            font-size: 13px;
            line-height: 1.6;
        }

        .suitability-item {
            margin-bottom: 8px;
        }

        .suitability-item strong {
            display: block;
            margin-bottom: 2px;
            font-size: 13px;
        }

        .suit-yes strong { color: #16a34a; }
        .suit-no strong { color: #dc2626; }

        .rank-horizontal-analysis {
            margin-top: 18px;
            padding-top: 14px;
            border-top: 1px solid var(--border-light);
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* 4-5名精简卡 */
        .rank-card-compact {
            background: #ffffff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            box-shadow: var(--shadow-sm);
            flex-wrap: wrap;
            gap: 12px;
        }

        /* 对比速览表 */
        .table-responsive {
            overflow-x: auto;
            background: #ffffff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 14px;
            text-align: left;
        }

        .comparison-table th, .comparison-table td {
            padding: 14px 18px;
            border-bottom: 1px solid var(--border-light);
        }

        .comparison-table th {
            background-color: #f8fafc;
            color: var(--primary-dark);
            font-weight: 700;
        }

        .comparison-table tbody tr:hover {
            background-color: #f1f5f9;
        }

        /* 观点解读 */
        .viewpoints-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 20px;
        }

        .viewpoint-card {
            background: #ffffff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: var(--shadow-sm);
        }

        .viewpoint-author {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 14px;
        }

        .author-avatar {
            width: 44px;
            height: 44px;
            background: #e2e8f0;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            color: var(--primary);
        }

        .author-info h4 {
            font-size: 15px;
            color: var(--primary-dark);
        }

        .author-info p {
            font-size: 12px;
            color: var(--text-muted);
        }

        .viewpoint-card blockquote {
            font-size: 14px;
            color: var(--text-main);
            line-height: 1.65;
            border-left: 3px solid var(--primary-light);
            padding-left: 12px;
            margin-bottom: 12px;
            font-style: italic;
        }

        /* 资讯列表 */
        .news-matrix {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .news-item {
            background: #ffffff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 18px;
            display: flex;
            gap: 16px;
            box-shadow: var(--shadow-sm);
        }

        .news-thumb {
            width: 140px;
            height: 100px;
            flex-shrink: 0;
            border-radius: var(--radius-sm);
            overflow: hidden;
        }

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

        .news-content {
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .news-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .news-summary {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.5;
        }

        .news-meta {
            font-size: 12px;
            color: #94a3b8;
            margin-top: 6px;
        }

        /* 媒体精选 */
        .media-quote-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 20px;
        }

        .media-card {
            background: #ffffff;
            border-top: 3px solid #3b82f6;
            border-left: 1px solid var(--border-light);
            border-right: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
            padding: 20px;
            border-radius: var(--radius-sm);
        }

        .media-source {
            font-size: 13px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
            text-transform: uppercase;
        }

        .media-text {
            font-size: 13px;
            color: var(--text-main);
            line-height: 1.6;
        }

        /* 数据分析 KPI */
        .kpi-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-bottom: 24px;
        }

        .kpi-card {
            background: #ffffff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
        }

        .kpi-val {
            font-size: 32px;
            font-weight: 900;
            color: var(--primary);
            font-family: monospace;
            line-height: 1.1;
        }

        .kpi-unit {
            font-size: 14px;
            font-weight: 600;
            color: var(--accent);
            margin-left: 2px;
        }

        .kpi-name {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 6px;
        }

        /* 平台保障图标条 */
        .assurance-strip {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
            background: #ffffff;
            border: 1px solid var(--border-light);
            padding: 24px;
            border-radius: var(--radius-md);
        }

        .assurance-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
        }

        .assurance-icon {
            width: 40px;
            height: 40px;
            background: #eff6ff;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            flex-shrink: 0;
        }

        .assurance-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 4px;
        }

        .assurance-sub {
            font-size: 12px;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* 线下活动签到与到场行动 */
        .event-checkin-block {
            background: #ffffff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            display: grid;
            grid-template-columns: 1fr 1fr;
            box-shadow: var(--shadow-sm);
        }

        .event-info-pane {
            padding: 36px;
        }

        .event-steps-pane {
            background: var(--bg-alt);
            padding: 36px;
            border-left: 1px solid var(--border-light);
        }

        .event-row {
            margin-bottom: 16px;
            font-size: 14px;
            color: var(--text-main);
        }

        .event-row strong {
            display: inline-block;
            width: 90px;
            color: var(--text-muted);
        }

        .checkin-step-list {
            list-style: none;
            position: relative;
            padding-left: 24px;
        }

        .checkin-step-list::before {
            content: "";
            position: absolute;
            left: 7px;
            top: 6px;
            bottom: 6px;
            width: 2px;
            background: var(--border-dark);
        }

        .checkin-step-item {
            position: relative;
            margin-bottom: 20px;
            font-size: 13px;
            line-height: 1.5;
        }

        .checkin-step-item::before {
            content: "";
            position: absolute;
            left: -24px;
            top: 4px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--primary-light);
            border: 2px solid #ffffff;
        }

        .checkin-step-title {
            font-weight: 700;
            color: var(--primary-dark);
            font-size: 14px;
            margin-bottom: 2px;
        }

        /* 订阅条 */
        .subscribe-panel {
            background: #1e293b;
            color: #ffffff;
            padding: 40px;
            border-radius: var(--radius-lg);
            text-align: center;
        }

        .subscribe-panel h3 {
            font-family: var(--font-serif);
            font-size: 24px;
            margin-bottom: 10px;
        }

        .subscribe-panel p {
            font-size: 14px;
            color: #94a3b8;
            max-width: 600px;
            margin: 0 auto 24px;
        }

        .subscribe-form {
            display: flex;
            max-width: 480px;
            margin: 0 auto;
            gap: 8px;
        }

        .sub-input {
            flex: 1;
            padding: 12px 16px;
            border-radius: var(--radius-md);
            border: 1px solid #475569;
            background: #0f172a;
            color: #ffffff;
            font-size: 14px;
        }

        .sub-input:focus {
            outline: none;
            border-color: #3b82f6;
        }

        /* 浮动转化条 */
        .floating-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: rgba(15, 23, 42, 0.95);
            color: #ffffff;
            border-top: 1px solid rgba(255,255,255,0.1);
            backdrop-filter: blur(8px);
            padding: 12px 20px;
            z-index: 999;
            display: flex;
            align-items: center;
            justify-content: space-between;
            box-shadow: 0 -4px 12px rgba(0,0,0,0.15);
        }

        .floating-cta-text {
            font-size: 14px;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .floating-badge {
            background: #ef4444;
            color: #ffffff;
            font-size: 11px;
            padding: 2px 8px;
            border-radius: 10px;
        }

        /* 页脚 */
        .site-footer {
            background: #0f172a;
            color: #94a3b8;
            padding: 50px 0 80px;
            font-size: 13px;
            border-top: 4px solid var(--primary-light);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 40px;
        }

        .footer-brand h4 {
            font-family: var(--font-serif);
            font-size: 20px;
            color: #ffffff;
            margin-bottom: 12px;
        }

        .footer-brand p {
            line-height: 1.6;
            margin-bottom: 16px;
        }

        .footer-nav-col h5 {
            color: #f8fafc;
            font-size: 14px;
            margin-bottom: 14px;
            font-weight: 700;
        }

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

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

        .footer-links a:hover {
            color: #ffffff;
            text-decoration: underline;
        }

        .footer-bottom {
            border-top: 1px solid #1e293b;
            padding-top: 24px;
            text-align: center;
            font-size: 12px;
            color: #64748b;
        }

        /* 响应式断点 */
        @media (max-width: 1024px) {
            .hero-layout {
                grid-template-columns: 1fr;
            }
            .kpi-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .rank-details-grid {
                grid-template-columns: 1fr;
            }
            .event-checkin-block {
                grid-template-columns: 1fr;
            }
            .event-steps-pane {
                border-left: none;
                border-top: 1px solid var(--border-light);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .masthead-logo {
                font-size: 24px;
            }
            .nav-link {
                padding: 10px 14px;
                font-size: 14px;
            }
            .news-matrix {
                grid-template-columns: 1fr;
            }
            .floating-cta-text span:last-child {
                display: none;
            }
            .subscribe-form {
                flex-direction: column;
            }
        }

        @media (max-width: 520px) {
            .kpi-row {
                grid-template-columns: 1fr;
            }
            .group-buttons {
                flex-direction: column;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .floating-cta-bar {
                flex-direction: column;
                gap: 8px;
                text-align: center;
            }
        }

/* roulang page: index */
:root {
      --primary: #0f172a;
      --primary-accent: #2563eb;
      --secondary: #d97706;
      --gold: #f59e0b;
      --silver: #94a3b8;
      --bronze: #b45309;
      --bg-base: #f8fafc;
      --bg-surface: #ffffff;
      --bg-alt: #f1f5f9;
      --text-main: #1e293b;
      --text-muted: #64748b;
      --border: #e2e8f0;
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-lg: 18px;
      --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
      --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
      --shadow-lg: 0 10px 25px -5px rgba(0,0,0,0.1);
      --container: 1200px;
    }
    * { box-sizing: border-box; margin: 0; padding: 0; }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-base);
      color: var(--text-main);
      line-height: 1.65;
      font-size: 16px;
      -webkit-font-smoothing: antialiased;
    }
    a { color: inherit; text-decoration: none; transition: color 0.2s ease; }
    img { max-width: 100%; height: auto; display: block; }
    .container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 20px; }
    
    /* 杂志刊头导航 */
    .magazine-header {
      background: var(--bg-surface);
      border-bottom: 2px solid var(--primary);
      position: sticky;
      top: 0;
      z-index: 100;
    }
    .header-top {
      padding: 18px 0 14px;
      display: flex;
      align-items: baseline;
      justify-content: space-between;
      border-bottom: 1px solid var(--border);
    }
    .brand-masthead {
      font-size: 26px;
      font-weight: 900;
      letter-spacing: -0.5px;
      color: var(--primary);
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .brand-masthead .badge-edition {
      font-size: 11px;
      background: var(--primary-accent);
      color: #fff;
      padding: 2px 8px;
      border-radius: 4px;
      font-weight: 600;
      letter-spacing: 0.5px;
      vertical-align: middle;
    }
    .header-meta {
      font-size: 13px;
      color: var(--text-muted);
      font-family: Georgia, serif;
      font-style: italic;
    }
    .header-nav {
      display: flex;
      align-items: center;
      gap: 0;
      overflow-x: auto;
      white-space: nowrap;
    }
    .header-nav a {
      padding: 12px 20px;
      font-size: 15px;
      font-weight: 600;
      color: var(--text-main);
      border-right: 1px solid var(--border);
      display: inline-block;
    }
    .header-nav a:first-child { padding-left: 0; }
    .header-nav a.active, .header-nav a:hover {
      color: var(--primary-accent);
      background: rgba(37, 99, 235, 0.04);
    }

    /* 通用板块样式 */
    section { padding: 60px 0; border-bottom: 1px solid var(--border); }
    .section-title-wrap {
      margin-bottom: 35px;
      border-left: 4px solid var(--primary-accent);
      padding-left: 16px;
    }
    .section-title {
      font-size: 26px;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 8px;
    }
    .section-subtitle {
      font-size: 15px;
      color: var(--text-muted);
      max-width: 900px;
      line-height: 1.6;
    }

    /* Hero: 榜单标题 + 长导语 + 拼团转化结构 */
    .hero-ranking-section {
      background: linear-gradient(180deg, #ffffff 0%, #f1f5f9 100%);
      padding: 50px 0 60px;
      border-bottom: 1px solid var(--border);
    }
    .hero-lead-box {
      background: var(--bg-surface);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-sm);
    }
    .hero-tag {
      display: inline-block;
      font-size: 13px;
      font-weight: 700;
      color: var(--primary-accent);
      background: #eff6ff;
      padding: 4px 12px;
      border-radius: 20px;
      margin-bottom: 15px;
      text-transform: uppercase;
    }
    .hero-title {
      font-size: 34px;
      line-height: 1.35;
      font-weight: 900;
      color: var(--primary);
      margin-bottom: 24px;
    }
    .hero-paragraphs {
      font-size: 16px;
      color: #334155;
      line-height: 1.8;
      display: flex;
      flex-direction: column;
      gap: 16px;
      margin-bottom: 30px;
    }
    .hero-paragraphs p {
      text-align: justify;
    }
    /* 拼团转化容器 */
    .group-action-bar {
      background: #fffbeb;
      border: 1px dashed var(--gold);
      border-radius: var(--radius-md);
      padding: 24px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
    }
    .group-info {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .avatar-stack {
      display: flex;
      position: relative;
    }
    .avatar-stack span {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: #cbd5e1;
      border: 2px solid #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 12px;
      font-weight: 700;
      color: var(--primary);
      margin-right: -10px;
    }
    .group-text h4 {
      font-size: 17px;
      color: #78350f;
      font-weight: 800;
    }
    .group-text p {
      font-size: 13px;
      color: #92400e;
    }
    .group-buttons {
      display: flex;
      gap: 12px;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 12px 24px;
      border-radius: var(--radius-sm);
      font-size: 15px;
      font-weight: 700;
      cursor: pointer;
      transition: all 0.2s ease;
      border: none;
    }
    .btn-primary {
      background: var(--primary-accent);
      color: #ffffff;
      box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
    }
    .btn-primary:hover { background: #1d4ed8; }
    .btn-secondary {
      background: #ffffff;
      color: var(--primary);
      border: 1px solid var(--border);
    }
    .btn-secondary:hover { background: #f8fafc; border-color: #cbd5e1; }

    /* 评选维度条 */
    .dimensions-strip {
      background: var(--primary);
      color: #ffffff;
      padding: 24px 0;
    }
    .dimensions-strip-header {
      font-size: 14px;
      color: #94a3b8;
      font-weight: 600;
      margin-bottom: 12px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }
    .dimensions-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
      gap: 15px;
    }
    .dimension-pill {
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.15);
      border-radius: var(--radius-sm);
      padding: 10px 14px;
      font-size: 13px;
      display: flex;
      flex-direction: column;
      gap: 4px;
    }
    .dimension-pill span:first-child { color: var(--gold); font-weight: 700; }
    .dimension-pill span:last-child { color: #cbd5e1; font-size: 12px; }

    /* 核心榜单列表 - 前三名加大卡 */
    .top-podium-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 25px;
      margin-bottom: 40px;
    }
    .podium-card {
      background: var(--bg-surface);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      padding: 28px;
      position: relative;
      display: flex;
      flex-direction: column;
      box-shadow: var(--shadow-sm);
      transition: transform 0.2s ease, box-shadow 0.2s ease;
    }
    .podium-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-lg);
    }
    .podium-card.gold-border { border-top: 6px solid var(--gold); }
    .podium-card.silver-border { border-top: 6px solid var(--silver); }
    .podium-card.bronze-border { border-top: 6px solid var(--bronze); }
    
    .podium-rank-header {
      display: flex;
      align-items: baseline;
      justify-content: space-between;
      margin-bottom: 15px;
      border-bottom: 1px solid var(--border);
      padding-bottom: 12px;
    }
    .rank-badge-title {
      font-size: 18px;
      font-weight: 800;
      color: var(--primary);
    }
    .score-circle {
      font-size: 20px;
      font-weight: 900;
      color: var(--primary-accent);
    }
    .stars-line {
      color: var(--gold);
      font-size: 14px;
      margin-bottom: 12px;
      letter-spacing: 2px;
    }
    .podium-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 18px;
    }
    .podium-checklist {
      list-style: none;
      font-size: 13px;
      color: #334155;
      margin-bottom: 20px;
      display: flex;
      flex-direction: column;
      gap: 8px;
      flex-grow: 1;
    }
    .podium-checklist li {
      position: relative;
      padding-left: 18px;
    }
    .podium-checklist li::before {
      content: "✔";
      position: absolute;
      left: 0;
      color: #10b981;
      font-size: 12px;
    }
    .target-scope {
      background: var(--bg-alt);
      border-radius: var(--radius-sm);
      padding: 12px;
      font-size: 12px;
      line-height: 1.5;
      color: #475569;
    }
    .target-scope strong { color: var(--primary); display: block; margin-bottom: 2px; }

    /* 前三名横向对比速览表 */
    .comparison-table-wrap {
      background: var(--bg-surface);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      overflow-x: auto;
      margin-top: 30px;
    }
    .comparison-table {
      width: 100%;
      border-collapse: collapse;
      font-size: 14px;
      text-align: left;
    }
    .comparison-table th, .comparison-table td {
      padding: 14px 18px;
      border-bottom: 1px solid var(--border);
    }
    .comparison-table th {
      background: #f8fafc;
      font-weight: 700;
      color: var(--primary);
    }
    .comparison-table tr:hover td {
      background: #fafafa;
    }

    /* 4-6 名紧凑行清单 */
    .compact-rank-list {
      display: flex;
      flex-direction: column;
      gap: 15px;
      margin-top: 30px;
    }
    .compact-rank-item {
      background: var(--bg-surface);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 18px 24px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 15px;
    }
    .compact-left {
      display: flex;
      align-items: center;
      gap: 20px;
      flex: 1;
      min-width: 280px;
    }
    .rank-number-box {
      font-size: 16px;
      font-weight: 800;
      color: var(--text-muted);
      width: 40px;
      height: 40px;
      background: var(--bg-alt);
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: var(--radius-sm);
    }
    .rank-meta-title h4 {
      font-size: 16px;
      font-weight: 700;
      color: var(--primary);
    }
    .rank-meta-title p {
      font-size: 13px;
      color: var(--text-muted);
    }
    .compact-right {
      display: flex;
      align-items: center;
      gap: 24px;
    }
    .compact-score {
      font-size: 16px;
      font-weight: 800;
      color: var(--primary-accent);
    }

    /* 区块顺序：内容日历 */
    .calendar-timeline {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
      gap: 20px;
    }
    .calendar-day-card {
      background: var(--bg-surface);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 20px;
    }
    .cal-badge {
      display: inline-block;
      font-size: 12px;
      font-weight: 700;
      color: #ffffff;
      background: var(--primary);
      padding: 3px 8px;
      border-radius: 4px;
      margin-bottom: 10px;
    }
    .calendar-day-card h4 {
      font-size: 16px;
      color: var(--primary);
      margin-bottom: 8px;
      font-weight: 700;
    }
    .calendar-day-card p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 区块顺序：热门专题 */
    .topics-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
      gap: 20px;
    }
    .topic-card {
      background: var(--bg-surface);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      overflow: hidden;
      display: flex;
      flex-direction: column;
    }
    .topic-card img {
      width: 100%;
      height: 160px;
      object-fit: cover;
    }
    .topic-card-body {
      padding: 18px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .topic-card-body h4 {
      font-size: 16px;
      color: var(--primary);
      margin-bottom: 8px;
      font-weight: 700;
    }
    .topic-card-body p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.5;
      margin-bottom: 12px;
    }

    /* 区块顺序：观点解读 */
    .viewpoints-split {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 30px;
    }
    .viewpoint-box {
      background: var(--bg-surface);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      padding: 30px;
      display: flex;
      flex-direction: column;
      gap: 15px;
    }
    .viewpoint-box.highlight {
      background: #eff6ff;
      border-color: #bfdbfe;
    }
    .vp-quote {
      font-size: 18px;
      font-weight: 800;
      color: var(--primary);
      line-height: 1.5;
    }
    .vp-desc {
      font-size: 14px;
      color: #475569;
      line-height: 1.7;
    }

    /* 区块顺序：资讯文章列表 */
    .news-list-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
      gap: 24px;
    }
    .news-card {
      background: var(--bg-surface);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 20px;
      display: flex;
      gap: 16px;
    }
    .news-card img {
      width: 110px;
      height: 85px;
      object-fit: cover;
      border-radius: var(--radius-sm);
      flex-shrink: 0;
    }
    .news-content h4 {
      font-size: 15px;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 6px;
      line-height: 1.4;
    }
    .news-content p {
      font-size: 12px;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 区块顺序：媒体精选 */
    .media-quotes-bar {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 20px;
    }
    .media-card {
      background: var(--bg-surface);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 22px;
      position: relative;
    }
    .media-source {
      font-size: 13px;
      font-weight: 700;
      color: var(--primary-accent);
      margin-bottom: 8px;
      text-transform: uppercase;
    }
    .media-snippet {
      font-size: 14px;
      color: #334155;
      line-height: 1.6;
    }

    /* 区块顺序：数据分析 */
    .analytics-panel {
      background: var(--primary);
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 40px;
    }
    .analytics-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      gap: 30px;
      text-align: center;
    }
    .metric-item .metric-number {
      font-size: 40px;
      font-weight: 900;
      color: var(--gold);
      line-height: 1.1;
      margin-bottom: 8px;
    }
    .metric-item .metric-label {
      font-size: 14px;
      color: #cbd5e1;
      line-height: 1.5;
    }

    /* 区块顺序：平台保障 */
    .guarantee-strip-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      gap: 24px;
    }
    .guarantee-box {
      background: var(--bg-surface);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 24px;
      text-align: center;
    }
    .guarantee-icon {
      font-size: 28px;
      margin-bottom: 12px;
      color: var(--primary-accent);
    }
    .guarantee-box h4 {
      font-size: 16px;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 6px;
    }
    .guarantee-box p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 区块顺序：线下活动签到（蓝图硬性组件） */
    .offline-checkin-block {
      background: #f8fafc;
      border: 2px dashed #94a3b8;
      border-radius: var(--radius-lg);
      padding: 35px;
    }
    .checkin-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 30px;
      margin-top: 20px;
    }
    .info-list-group {
      display: flex;
      flex-direction: column;
      gap: 12px;
      font-size: 14px;
      color: #334155;
    }
    .info-list-group strong {
      color: var(--primary);
    }
    .checkin-steps {
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .step-badge-line {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 14px;
      color: #1e293b;
    }
    .step-badge {
      width: 24px;
      height: 24px;
      background: var(--primary-accent);
      color: #ffffff;
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 12px;
      font-weight: 700;
    }

    /* 额外补充扩展板块：前后对比 Before / After */
    .comparison-ba-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
    }
    .ba-box {
      border-radius: var(--radius-md);
      padding: 26px;
      border: 1px solid var(--border);
    }
    .ba-box.before {
      background: #fef2f2;
      border-color: #fecaca;
    }
    .ba-box.after {
      background: #f0fdf4;
      border-color: #bbf7d0;
    }
    .ba-tag {
      font-weight: 800;
      font-size: 13px;
      margin-bottom: 12px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }
    .ba-box.before .ba-tag { color: #dc2626; }
    .ba-box.after .ba-tag { color: #16a34a; }
    .ba-list {
      list-style: none;
      font-size: 14px;
      line-height: 1.7;
      color: #334155;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    /* 额外补充扩展板块：演进里程碑 */
    .milestone-timeline {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      gap: 20px;
      position: relative;
    }
    .milestone-node {
      background: var(--bg-surface);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 20px;
      position: relative;
    }
    .milestone-year {
      font-size: 20px;
      font-weight: 900;
      color: var(--primary-accent);
      margin-bottom: 6px;
    }
    .milestone-node h4 {
      font-size: 15px;
      color: var(--primary);
      margin-bottom: 6px;
    }
    .milestone-node p {
      font-size: 12px;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 区块顺序：订阅条 */
    .subscribe-action-strip {
      background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
      color: #ffffff;
      padding: 50px 0;
      text-align: center;
    }
    .sub-form-wrap {
      max-width: 580px;
      margin: 24px auto 0;
      display: flex;
      gap: 10px;
    }
    .sub-input {
      flex: 1;
      padding: 14px 18px;
      border-radius: var(--radius-sm);
      border: 1px solid #475569;
      background: #334155;
      color: #ffffff;
      font-size: 14px;
      outline: none;
    }
    .sub-input::placeholder { color: #94a3b8; }
    .sub-input:focus { border-color: var(--primary-accent); }

    /* 页脚 */
    .site-footer {
      background: #0b1120;
      color: #94a3b8;
      padding: 60px 0 30px;
      font-size: 14px;
    }
    .footer-top-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 40px;
    }
    .footer-brand h3 {
      font-size: 20px;
      color: #ffffff;
      margin-bottom: 12px;
      font-weight: 800;
    }
    .footer-brand p {
      font-size: 13px;
      line-height: 1.7;
      color: #64748b;
      max-width: 360px;
    }
    .footer-col h5 {
      color: #ffffff;
      font-size: 15px;
      margin-bottom: 14px;
      font-weight: 700;
    }
    .footer-col ul {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }
    .footer-col ul a {
      color: #94a3b8;
      transition: color 0.2s ease;
    }
    .footer-col ul a:hover {
      color: #ffffff;
    }
    .footer-bottom {
      border-top: 1px solid #1e293b;
      padding-top: 25px;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 15px;
      font-size: 12px;
      color: #64748b;
    }

    /* 响应式断点适配 */
    @media (max-width: 1024px) {
      .top-podium-grid { grid-template-columns: 1fr; }
      .viewpoints-split, .comparison-ba-grid, .checkin-grid { grid-template-columns: 1fr; }
      .footer-top-grid { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 768px) {
      .hero-title { font-size: 26px; }
      .group-action-bar { flex-direction: column; align-items: flex-start; }
      .group-buttons { width: 100%; flex-direction: column; }
      .sub-form-wrap { flex-direction: column; }
      .footer-top-grid { grid-template-columns: 1fr; }
      .compact-left { flex-direction: column; align-items: flex-start; }
    }

/* roulang page: category2 */
:root {
      --primary: #1e3a8a;
      --primary-light: #3b82f6;
      --primary-dark: #0f172a;
      --accent: #d97706;
      --accent-gold: #b45309;
      --danger: #dc2626;
      --success: #16a34a;
      --text-main: #1e293b;
      --text-muted: #64748b;
      --bg-page: #f8fafc;
      --bg-card: #ffffff;
      --bg-alt: #f1f5f9;
      --border-light: #e2e8f0;
      --border-dark: #cbd5e1;
      --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
      --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.06);
      --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.05);
      --radius-sm: 4px;
      --radius-md: 8px;
      --radius-lg: 12px;
      --font-serif: "Songti SC", "SimSun", "Noto Serif CJK SC", serif;
      --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    }

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

    body {
      font-family: var(--font-sans);
      background-color: var(--bg-page);
      color: var(--text-main);
      line-height: 1.68;
      font-size: 16px;
      -webkit-font-smoothing: antialiased;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: all 0.2s ease;
    }

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

    .container {
      width: 100%;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
    }

    /* 刊头导航 */
    .magazine-header {
      background: #ffffff;
      border-bottom: 2px solid var(--primary-dark);
      box-shadow: var(--shadow-sm);
    }
    .header-top {
      padding: 24px 0 16px;
      display: flex;
      justify-content: space-between;
      align-items: flex-end;
      border-bottom: 1px solid var(--border-light);
    }
    .brand-masthead {
      font-family: var(--font-serif);
      font-size: 28px;
      font-weight: 900;
      color: var(--primary-dark);
      letter-spacing: 1px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .badge-edition {
      font-family: var(--font-sans);
      font-size: 11px;
      background: var(--accent);
      color: #fff;
      padding: 2px 8px;
      border-radius: var(--radius-sm);
      font-weight: 700;
      letter-spacing: 0;
    }
    .header-meta {
      font-size: 13px;
      color: var(--text-muted);
      font-weight: 500;
    }
    .header-nav {
      display: flex;
      gap: 4px;
      overflow-x: auto;
      white-space: nowrap;
      padding: 6px 0;
    }
    .header-nav a {
      display: block;
      padding: 10px 20px;
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
      border-radius: var(--radius-sm);
    }
    .header-nav a:hover,
    .header-nav a.active {
      background-color: var(--bg-alt);
      color: var(--primary-light);
    }

    /* 板块通用 */
    .section-block {
      padding: 64px 0;
      border-bottom: 1px solid var(--border-light);
    }
    .section-alt {
      background-color: var(--bg-alt);
    }
    .section-header {
      margin-bottom: 36px;
    }
    .section-eyebrow {
      font-size: 12px;
      text-transform: uppercase;
      font-weight: 800;
      color: var(--primary-light);
      letter-spacing: 1.5px;
      display: block;
      margin-bottom: 8px;
    }
    .section-title {
      font-family: var(--font-serif);
      font-size: 28px;
      font-weight: 800;
      color: var(--primary-dark);
      line-height: 1.35;
    }
    .section-intro {
      font-size: 15px;
      color: var(--text-muted);
      margin-top: 10px;
      max-width: 880px;
      line-height: 1.7;
    }

    /* Hero：自测选型短问卷视觉与长导语 */
    .hero-assessment {
      background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
      color: #ffffff;
      padding: 64px 0 76px;
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 40px;
      align-items: stretch;
    }
    .hero-content h1 {
      font-family: var(--font-serif);
      font-size: 34px;
      line-height: 1.35;
      font-weight: 900;
      margin-bottom: 20px;
      color: #ffffff;
    }
    .hero-lead-text {
      font-size: 15px;
      line-height: 1.8;
      color: #cbd5e1;
      margin-bottom: 16px;
    }
    .hero-lead-text strong {
      color: #38bdf8;
    }
    .hero-interactive-card {
      background: #ffffff;
      color: var(--text-main);
      border-radius: var(--radius-lg);
      padding: 30px;
      box-shadow: var(--shadow-lg);
      border: 1px solid var(--border-light);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .quiz-head {
      border-bottom: 1px solid var(--border-light);
      padding-bottom: 14px;
      margin-bottom: 18px;
    }
    .quiz-title {
      font-size: 18px;
      font-weight: 800;
      color: var(--primary-dark);
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .quiz-tag {
      font-size: 12px;
      background: #fee2e2;
      color: #b91c1c;
      padding: 2px 8px;
      border-radius: 4px;
      font-weight: 700;
    }
    .quiz-question {
      font-size: 14px;
      color: var(--text-muted);
      margin-top: 6px;
    }
    .quiz-options {
      display: grid;
      gap: 10px;
      margin-bottom: 20px;
    }
    .quiz-option-item {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 12px 14px;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      font-size: 14px;
      cursor: pointer;
      background: #fafafa;
      transition: all 0.2s;
    }
    .quiz-option-item:hover, .quiz-option-item.selected {
      border-color: var(--primary-light);
      background: #eff6ff;
      color: var(--primary);
    }
    .quiz-result-preview {
      background: var(--bg-alt);
      border-radius: var(--radius-md);
      padding: 14px;
      margin-bottom: 20px;
      border-left: 4px solid var(--accent);
    }
    .result-preview-title {
      font-size: 13px;
      font-weight: 800;
      color: var(--accent-gold);
      margin-bottom: 4px;
    }
    .result-preview-desc {
      font-size: 13px;
      color: var(--text-main);
      line-height: 1.5;
    }
    .btn-action-primary {
      display: block;
      width: 100%;
      text-align: center;
      background: var(--primary-light);
      color: #ffffff;
      padding: 14px;
      font-size: 15px;
      font-weight: 700;
      border-radius: var(--radius-md);
      box-shadow: 0 4px 10px rgba(59, 130, 246, 0.35);
    }
    .btn-action-primary:hover {
      background: #2563eb;
      color: #ffffff;
    }

    /* 评选维度横向条 */
    .metric-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .metric-card {
      background: var(--bg-card);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 24px 20px;
      box-shadow: var(--shadow-sm);
    }
    .metric-val {
      font-size: 26px;
      font-weight: 900;
      color: var(--primary);
      margin-bottom: 6px;
      font-family: var(--font-serif);
    }
    .metric-label {
      font-size: 15px;
      font-weight: 700;
      color: var(--primary-dark);
      margin-bottom: 6px;
    }
    .metric-desc {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.55;
    }

    /* 核心榜单列表大卡 */
    .rank-list-wrapper {
      display: grid;
      gap: 28px;
    }
    .rank-card-heroic {
      background: var(--bg-card);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: var(--shadow-md);
      position: relative;
    }
    .rank-card-heroic.gold-card {
      border-top: 4px solid #f59e0b;
    }
    .rank-card-heroic.silver-card {
      border-top: 4px solid #94a3b8;
    }
    .rank-card-heroic.bronze-card {
      border-top: 4px solid #b45309;
    }
    .rank-header-line {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
      margin-bottom: 18px;
      border-bottom: 1px solid var(--border-light);
      padding-bottom: 16px;
    }
    .rank-headline-left {
      font-size: 20px;
      font-weight: 800;
      color: var(--primary-dark);
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .rank-badge-status {
      font-size: 13px;
      font-weight: 700;
      color: #fff;
      padding: 4px 10px;
      border-radius: 4px;
    }
    .badge-gold { background: #d97706; }
    .badge-silver { background: #64748b; }
    .badge-bronze { background: #92400e; }
    
    .rank-rating-box {
      font-size: 14px;
      font-weight: 700;
      color: var(--accent-gold);
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .rank-score-num {
      background: #fef3c7;
      color: #92400e;
      padding: 3px 8px;
      border-radius: 4px;
      font-size: 13px;
    }

    .rank-body-grid {
      display: grid;
      grid-template-columns: 1fr 1.1fr;
      gap: 28px;
      align-items: center;
    }
    .rank-img-frame {
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }
    .rank-img-frame img {
      width: 100%;
      height: 240px;
      object-fit: cover;
    }
    .rank-details p {
      font-size: 14px;
      color: var(--text-main);
      margin-bottom: 12px;
      line-height: 1.7;
    }
    .rank-spec-list {
      list-style: none;
      margin: 14px 0;
      padding: 0;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 8px;
    }
    .rank-spec-list li {
      font-size: 13px;
      background: var(--bg-alt);
      padding: 6px 10px;
      border-radius: 4px;
      color: var(--text-main);
    }
    .rank-contrast-box {
      background: #f8fafc;
      border-left: 3px solid var(--primary-light);
      padding: 10px 14px;
      font-size: 13px;
      color: var(--text-muted);
      margin-top: 12px;
    }

    /* 对比速览表 */
    .compare-table-container {
      background: var(--bg-card);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-light);
      overflow-x: auto;
      box-shadow: var(--shadow-sm);
    }
    .custom-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 14px;
    }
    .custom-table th {
      background: var(--bg-alt);
      padding: 16px 20px;
      font-weight: 800;
      color: var(--primary-dark);
      border-bottom: 2px solid var(--border-dark);
    }
    .custom-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border-light);
      color: var(--text-main);
    }
    .custom-table tr:last-child td {
      border-bottom: none;
    }
    .custom-table tr:hover {
      background-color: #f8fafc;
    }
    .tag-match {
      display: inline-block;
      padding: 2px 8px;
      font-size: 12px;
      font-weight: 600;
      border-radius: 4px;
    }
    .tag-green { background: #dcfce7; color: #15803d; }
    .tag-yellow { background: #fef9c3; color: #a16207; }
    .tag-blue { background: #e0f2fe; color: #0369a1; }

    /* 机制图解与实证要领（双列交错） */
    .mechanism-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 36px;
      align-items: center;
      margin-bottom: 40px;
    }
    .mechanism-row:last-child {
      margin-bottom: 0;
    }
    .mechanism-media {
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-md);
    }
    .mechanism-media img {
      width: 100%;
      height: 260px;
      object-fit: cover;
    }
    .mechanism-info h3 {
      font-size: 22px;
      font-weight: 800;
      color: var(--primary-dark);
      margin-bottom: 14px;
    }
    .mechanism-info p {
      font-size: 15px;
      color: var(--text-muted);
      line-height: 1.75;
      margin-bottom: 14px;
    }
    .mechanism-points {
      list-style: none;
      display: grid;
      gap: 8px;
    }
    .mechanism-points li {
      font-size: 14px;
      display: flex;
      align-items: center;
      gap: 8px;
      color: var(--text-main);
      font-weight: 600;
    }
    .mechanism-points li::before {
      content: "•";
      color: var(--primary-light);
      font-size: 20px;
    }

    /* 误区警戒网格 */
    .danger-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .danger-box {
      background: var(--bg-card);
      border: 1px solid #fecaca;
      border-radius: var(--radius-md);
      padding: 24px;
      border-top: 4px solid var(--danger);
    }
    .danger-box h4 {
      font-size: 17px;
      font-weight: 800;
      color: #991b1b;
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .danger-box p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 紧急实录 FAQ */
    .faq-grid-custom {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
    }
    .faq-item-card {
      background: var(--bg-card);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 22px;
      box-shadow: var(--shadow-sm);
    }
    .faq-item-card h4 {
      font-size: 16px;
      font-weight: 800;
      color: var(--primary-dark);
      margin-bottom: 10px;
    }
    .faq-item-card p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 行动收口保障区 */
    .action-cta-section {
      background: linear-gradient(rgba(15, 23, 42, 0.94), rgba(15, 23, 42, 0.94)), url('/assets/images/634fb76be8d91a24.jpg') center/cover no-repeat;
      color: #fff;
      padding: 60px 0;
      text-align: center;
    }
    .cta-container-inner {
      max-width: 800px;
      margin: 0 auto;
    }
    .action-cta-section h2 {
      font-family: var(--font-serif);
      font-size: 30px;
      font-weight: 800;
      margin-bottom: 16px;
      color: #ffffff;
    }
    .action-cta-section p {
      font-size: 15px;
      color: #cbd5e1;
      margin-bottom: 28px;
      line-height: 1.8;
    }
    .cta-button-group {
      display: flex;
      justify-content: center;
      gap: 16px;
      flex-wrap: wrap;
    }
    .btn-cta-secondary {
      background: rgba(255,255,255,0.15);
      border: 1px solid rgba(255,255,255,0.3);
      color: #ffffff;
      padding: 12px 28px;
      border-radius: var(--radius-md);
      font-weight: 700;
      font-size: 15px;
    }
    .btn-cta-secondary:hover {
      background: rgba(255,255,255,0.25);
      color: #ffffff;
    }

    /* 页脚 */
    .site-footer {
      background-color: #0f172a;
      color: #94a3b8;
      padding: 60px 0 30px;
      font-size: 14px;
      border-top: 3px solid var(--primary-light);
    }
    .footer-top-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 40px;
    }
    .footer-brand h3 {
      font-family: var(--font-serif);
      font-size: 20px;
      font-weight: 800;
      color: #f8fafc;
      margin-bottom: 14px;
    }
    .footer-brand p {
      line-height: 1.7;
      color: #94a3b8;
      font-size: 13px;
    }
    .footer-col h5 {
      font-size: 15px;
      font-weight: 700;
      color: #f1f5f9;
      margin-bottom: 16px;
    }
    .footer-col ul {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    .footer-col ul li {
      margin-bottom: 10px;
    }
    .footer-col ul li a {
      color: #94a3b8;
      transition: color 0.2s;
    }
    .footer-col ul li a:hover {
      color: #ffffff;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 12px;
      font-size: 12px;
      color: #64748b;
    }

    /* 响应式断点 */
    @media (max-width: 1024px) {
      .hero-grid {
        grid-template-columns: 1fr;
      }
      .metric-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .rank-body-grid {
        grid-template-columns: 1fr;
      }
      .footer-top-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }
    @media (max-width: 768px) {
      .header-top {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
      }
      .mechanism-row {
        grid-template-columns: 1fr;
      }
      .danger-grid {
        grid-template-columns: 1fr;
      }
      .faq-grid-custom {
        grid-template-columns: 1fr;
      }
      .footer-top-grid {
        grid-template-columns: 1fr;
      }
      .footer-bottom {
        flex-direction: column;
      }
    }

/* roulang page: category1 */
:root {
  --primary: #1e3a8a;
  --primary-light: #3b82f6;
  --primary-dark: #0f172a;
  --accent: #d97706;
  --accent-gold: #b45309;
  --danger: #dc2626;
  --success: #16a34a;
  --text-main: #1e293b;
  --text-muted: #64748b;
  --bg-page: #f8fafc;
  --bg-card: #ffffff;
  --bg-alt: #f1f5f9;
  --border-light: #e2e8f0;
  --border-dark: #cbd5e1;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.05);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --font-serif: "Songti SC", "SimSun", "Noto Serif CJK SC", serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
body {
  font-family: var(--font-sans);
  background-color: var(--bg-page);
  color: var(--text-main);
  line-height: 1.68;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
a {
  color: inherit;
  text-decoration: none;
  transition: all 0.2s ease;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* 导航刊头样式 */
.magazine-header {
  background-color: #ffffff;
  border-bottom: 2px solid var(--primary-dark);
  padding-top: 12px;
}
.header-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  padding: 16px 0 14px;
  border-bottom: 1px solid var(--border-light);
}
.brand-masthead {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 900;
  color: var(--primary-dark);
  letter-spacing: 1.5px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.badge-edition {
  font-size: 12px;
  font-family: var(--font-sans);
  background-color: var(--accent);
  color: #ffffff;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  letter-spacing: 0.5px;
}
.header-meta {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 500;
}
.header-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 0;
  overflow-x: auto;
  white-space: nowrap;
}
.header-nav a {
  display: inline-block;
  padding: 10px 20px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  border-radius: var(--radius-sm);
}
.header-nav a:hover,
.header-nav a.active {
  color: var(--primary);
  background-color: var(--bg-alt);
  border-bottom: 2px solid var(--primary);
}

/* 分类专用 Hero - 竖屏视觉感 + 双列行动 */
.category-hero {
  background: linear-gradient(135deg, #0b1329 0%, #1e293b 100%);
  color: #ffffff;
  padding: 56px 0 64px;
  border-bottom: 1px solid var(--border-dark);
}
.hero-vertical-split {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 48px;
  align-items: center;
}
.hero-tagline-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(59, 130, 246, 0.2);
  border: 1px solid rgba(59, 130, 246, 0.4);
  color: #93c5fd;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 16px;
}
.category-hero h1 {
  font-family: var(--font-serif);
  font-size: 34px;
  line-height: 1.32;
  font-weight: 800;
  margin-bottom: 20px;
  color: #ffffff;
}
.hero-desc-lead {
  font-size: 16px;
  color: #cbd5e1;
  line-height: 1.8;
  margin-bottom: 28px;
}
.hero-feature-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 32px;
}
.hero-pill-item {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  color: #e2e8f0;
}
.hero-actions-row {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.btn-primary-glow {
  background-color: var(--accent);
  color: #ffffff;
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 700;
  border-radius: var(--radius-md);
  box-shadow: 0 4px 14px rgba(217, 119, 6, 0.4);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-primary-glow:hover {
  background-color: var(--accent-gold);
  color: #ffffff;
}
.btn-secondary-outline {
  border: 1px solid rgba(255, 255, 255, 0.4);
  color: #ffffff;
  padding: 12px 24px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
}
.btn-secondary-outline:hover {
  background: rgba(255, 255, 255, 0.12);
}

/* 竖屏视频卡片仿真交互视窗 */
.vertical-screen-mockup {
  position: relative;
  width: 100%;
  max-width: 330px;
  margin: 0 auto;
  aspect-ratio: 9 / 16;
  border-radius: 28px;
  overflow: hidden;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7), 0 0 0 1px rgba(255, 255, 255, 0.1);
  background: #000000;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}
.screen-bg-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.85;
}
.screen-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(0,0,0,0.1) 0%, rgba(0,0,0,0.85) 85%);
}
.screen-content {
  position: relative;
  z-index: 2;
  padding: 24px 20px;
}
.screen-live-tag {
  display: inline-block;
  background-color: var(--danger);
  color: #ffffff;
  font-size: 11px;
  font-weight: 800;
  padding: 3px 8px;
  border-radius: 4px;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.screen-title {
  color: #ffffff;
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.4;
}
.screen-stats-bar {
  display: flex;
  gap: 16px;
  font-size: 12px;
  color: #cbd5e1;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding-top: 10px;
  margin-top: 10px;
}

/* 通用板块 */
.section-block {
  padding: 56px 0;
  border-bottom: 1px solid var(--border-light);
}
.section-alt {
  background-color: #f1f5f9;
}
.section-header {
  margin-bottom: 36px;
}
.section-eyebrow {
  font-size: 12px;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--primary-light);
  letter-spacing: 1.5px;
  display: block;
  margin-bottom: 6px;
}
.section-title {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 800;
  color: var(--primary-dark);
  line-height: 1.35;
}
.section-intro {
  font-size: 15px;
  color: var(--text-muted);
  margin-top: 10px;
  max-width: 840px;
  line-height: 1.65;
}

/* 板块2: 生理调节机制打分排行榜 */
.ranking-matrix-wrap {
  display: grid;
  gap: 20px;
}
.rank-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  padding: 24px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.rank-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.rank-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  border-bottom: 1px solid var(--border-light);
  padding-bottom: 14px;
  margin-bottom: 16px;
}
.rank-badge-title {
  display: flex;
  align-items: center;
  gap: 12px;
}
.medal-tag {
  font-size: 14px;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  background: #fef3c7;
  color: #92400e;
  border: 1px solid #fde68a;
}
.medal-tag.silver {
  background: #f1f5f9;
  color: #334155;
  border-color: #cbd5e1;
}
.medal-tag.bronze {
  background: #ffedd5;
  color: #9a3412;
  border-color: #fed7aa;
}
.rank-method-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary-dark);
}
.rank-score-badge {
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
}
.rank-card-body {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 24px;
  align-items: center;
}
.rank-detail-p {
  font-size: 15px;
  color: #334155;
  line-height: 1.7;
}
.param-list {
  list-style: none;
  background: var(--bg-alt);
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  color: var(--text-muted);
}
.param-list li {
  display: flex;
  justify-content: space-between;
  margin-bottom: 6px;
}
.param-list li:last-child {
  margin-bottom: 0;
}
.param-list strong {
  color: var(--text-main);
}

/* 板块3: 极速五步降温动线流程 */
.flow-step-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}
.step-card {
  background: #ffffff;
  padding: 24px 20px;
  border-radius: var(--radius-md);
  border-top: 4px solid var(--primary-light);
  box-shadow: var(--shadow-sm);
  position: relative;
}
.step-number {
  font-size: 28px;
  font-weight: 900;
  color: #94a3b8;
  line-height: 1;
  margin-bottom: 12px;
}
.step-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 8px;
}
.step-desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* 板块4: 验证数据指标对比条 */
.metric-highlight-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.metric-box {
  background: #ffffff;
  padding: 24px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  text-align: center;
}
.metric-val {
  font-size: 34px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.1;
  margin-bottom: 6px;
}
.metric-label {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 4px;
}
.metric-note {
  font-size: 12px;
  color: var(--text-muted);
}

/* 板块5: 应急场景生理调节图文方案 */
.scenario-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.scenario-item {
  background: #ffffff;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}
.scenario-thumb {
  width: 100%;
  height: 180px;
  object-fit: cover;
}
.scenario-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}
.scenario-tag {
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 6px;
}
.scenario-name {
  font-size: 17px;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 8px;
}
.scenario-text {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 14px;
  flex-grow: 1;
}
.scenario-badge-rule {
  font-size: 12px;
  background: var(--bg-alt);
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  color: var(--primary-dark);
  font-weight: 600;
}

/* 板块6: 深度专题研究精选列表 */
.articles-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.article-row-card {
  display: flex;
  gap: 16px;
  background: #ffffff;
  padding: 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  align-items: center;
}
.article-row-card img {
  width: 110px;
  height: 90px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}
.article-row-info h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 6px;
  line-height: 1.4;
}
.article-row-info p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
}

/* 板块7: 常见生理失衡应急 FAQ */
.faq-accordion-group {
  display: grid;
  gap: 16px;
  max-width: 900px;
}
.faq-box {
  background: #ffffff;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  padding: 20px 24px;
}
.faq-q {
  font-size: 16px;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.faq-q::before {
  content: "Q";
  display: inline-block;
  background: var(--primary-light);
  color: #ffffff;
  font-size: 12px;
  font-weight: 800;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  text-align: center;
  line-height: 22px;
}
.faq-a {
  font-size: 14px;
  color: #475569;
  line-height: 1.7;
  padding-left: 30px;
}

/* 板块8: 底部转化保障卡 */
.cta-banner-strip {
  background: linear-gradient(90deg, #0f172a 0%, #1e3a8a 100%);
  color: #ffffff;
  padding: 48px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
}
.cta-text-area h3 {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 8px;
  color: #ffffff;
}
.cta-text-area p {
  font-size: 15px;
  color: #cbd5e1;
  max-width: 620px;
  line-height: 1.6;
}

/* 页脚样式 */
.site-footer {
  background-color: #0f172a;
  color: #94a3b8;
  padding: 60px 0 30px;
  border-top: 4px solid var(--primary);
  font-size: 14px;
}
.footer-top-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand h3 {
  color: #f8fafc;
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 14px;
  font-family: var(--font-serif);
}
.footer-brand p {
  line-height: 1.7;
  color: #94a3b8;
  font-size: 14px;
}
.footer-col h5 {
  color: #f8fafc;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 16px;
}
.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-col ul li {
  margin-bottom: 10px;
}
.footer-col ul li a {
  color: #94a3b8;
  transition: color 0.2s ease;
}
.footer-col ul li a:hover {
  color: #ffffff;
}
.footer-bottom {
  border-top: 1px solid #1e293b;
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 13px;
  color: #64748b;
}

/* 响应式断点适配 */
@media (max-width: 1024px) {
  .hero-vertical-split {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .vertical-screen-mockup {
    max-width: 280px;
  }
  .metric-highlight-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .scenario-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-top-grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 768px) {
  .rank-card-body {
    grid-template-columns: 1fr;
  }
  .scenario-grid {
    grid-template-columns: 1fr;
  }
  .articles-split {
    grid-template-columns: 1fr;
  }
  .cta-banner-strip {
    padding: 32px 24px;
    flex-direction: column;
    align-items: flex-start;
  }
  .header-top {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
}
@media (max-width: 520px) {
  .category-hero h1 {
    font-size: 26px;
  }
  .metric-highlight-grid {
    grid-template-columns: 1fr;
  }
  .footer-top-grid {
    grid-template-columns: 1fr;
  }
}

/* roulang page: category3 */
:root {
      --primary: #1e3a8a;
      --primary-light: #3b82f6;
      --primary-dark: #0f172a;
      --accent: #d97706;
      --accent-gold: #b45309;
      --danger: #dc2626;
      --success: #16a34a;
      --text-main: #1e293b;
      --text-muted: #64748b;
      --bg-page: #f8fafc;
      --bg-card: #ffffff;
      --bg-alt: #f1f5f9;
      --border-light: #e2e8f0;
      --border-dark: #cbd5e1;
      --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
      --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.06);
      --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.05);
      --radius-sm: 4px;
      --radius-md: 8px;
      --radius-lg: 12px;
      --font-serif: "Songti SC", "SimSun", "Noto Serif CJK SC", serif;
      --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    }
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    body {
      font-family: var(--font-sans);
      background-color: var(--bg-page);
      color: var(--text-main);
      line-height: 1.7;
      font-size: 16px;
      -webkit-font-smoothing: antialiased;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: color 0.2s ease;
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    .container {
      width: 100%;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
    }

    /* 刊头导航 */
    .magazine-header {
      background: #ffffff;
      border-bottom: 2px solid var(--primary-dark);
    }
    .header-top {
      padding: 24px 0 16px;
      display: flex;
      justify-content: space-between;
      align-items: flex-end;
      border-bottom: 1px solid var(--border-light);
    }
    .brand-masthead {
      font-family: var(--font-serif);
      font-size: 28px;
      font-weight: 900;
      color: var(--primary-dark);
      letter-spacing: 1px;
      display: inline-flex;
      align-items: center;
      gap: 12px;
    }
    .badge-edition {
      font-family: var(--font-sans);
      font-size: 12px;
      background: var(--accent);
      color: #ffffff;
      padding: 2px 8px;
      border-radius: var(--radius-sm);
      font-weight: 600;
      letter-spacing: 0.5px;
    }
    .header-meta {
      font-size: 13px;
      color: var(--text-muted);
      letter-spacing: 0.5px;
    }
    .header-nav {
      display: flex;
      gap: 32px;
      padding: 14px 0;
      overflow-x: auto;
    }
    .header-nav a {
      font-size: 15px;
      font-weight: 600;
      color: var(--text-main);
      position: relative;
      padding: 4px 0;
      white-space: nowrap;
    }
    .header-nav a:hover,
    .header-nav a.active {
      color: var(--primary-light);
    }
    .header-nav a.active::after {
      content: "";
      position: absolute;
      bottom: -14px;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--primary-light);
    }

    /* 面包屑与刊头副栏 */
    .page-subhead {
      background: #ffffff;
      border-bottom: 1px solid var(--border-light);
      padding: 14px 0;
      font-size: 14px;
      color: var(--text-muted);
    }
    .page-subhead a:hover {
      color: var(--primary);
    }

    /* 核心分栏 Hero */
    .journal-hero {
      background: #ffffff;
      border-bottom: 1px solid var(--border-light);
      padding: 48px 0;
    }
    .journal-hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 40px;
      align-items: center;
    }
    .journal-hero-main .tag-label {
      display: inline-block;
      font-size: 12px;
      font-weight: 700;
      color: var(--primary-light);
      background: #eff6ff;
      border: 1px solid #bfdbfe;
      padding: 4px 10px;
      border-radius: var(--radius-sm);
      margin-bottom: 16px;
      text-transform: uppercase;
      letter-spacing: 1px;
    }
    .journal-hero-main h1 {
      font-family: var(--font-serif);
      font-size: 32px;
      color: var(--primary-dark);
      line-height: 1.35;
      margin-bottom: 20px;
      font-weight: 800;
    }
    .journal-hero-main p {
      font-size: 15px;
      color: #334155;
      line-height: 1.8;
      margin-bottom: 14px;
    }
    .hero-feature-card {
      background: var(--bg-alt);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-lg);
      padding: 24px;
      box-shadow: var(--shadow-sm);
    }
    .hero-feature-card img {
      border-radius: var(--radius-md);
      margin-bottom: 16px;
      width: 100%;
      height: 220px;
      object-fit: cover;
    }
    .hero-feature-card h4 {
      font-size: 18px;
      font-weight: 700;
      color: var(--primary-dark);
      margin-bottom: 8px;
    }
    .hero-feature-card p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 板块通用 */
    .content-section {
      padding: 56px 0;
      border-bottom: 1px solid var(--border-light);
    }
    .content-section.bg-alt {
      background-color: var(--bg-alt);
    }
    .section-header {
      margin-bottom: 32px;
    }
    .section-eyebrow {
      font-size: 13px;
      text-transform: uppercase;
      font-weight: 700;
      color: var(--accent-gold);
      letter-spacing: 1.5px;
      display: block;
      margin-bottom: 6px;
    }
    .section-title {
      font-family: var(--font-serif);
      font-size: 26px;
      font-weight: 800;
      color: var(--primary-dark);
      line-height: 1.35;
    }
    .section-intro {
      font-size: 15px;
      color: var(--text-muted);
      margin-top: 8px;
      max-width: 820px;
      line-height: 1.7;
    }

    /* 板块2: 沟通断层分析网格 */
    .mismatch-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .mismatch-card {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      transition: transform 0.2s ease, box-shadow 0.2s ease;
    }
    .mismatch-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
    }
    .mismatch-header {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 14px;
    }
    .mismatch-badge {
      width: 32px;
      height: 32px;
      border-radius: 50%;
      background: #fee2e2;
      color: var(--danger);
      font-weight: 700;
      font-size: 14px;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .mismatch-title {
      font-size: 17px;
      font-weight: 700;
      color: var(--primary-dark);
    }
    .mismatch-card p {
      font-size: 14px;
      color: #475569;
      line-height: 1.65;
    }

    /* 板块3: 四步非暴力表达法 */
    .step-timeline {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .timeline-node {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-top: 4px solid var(--primary-light);
      border-radius: var(--radius-md);
      padding: 20px;
      box-shadow: var(--shadow-sm);
    }
    .node-num {
      font-size: 28px;
      font-weight: 900;
      color: var(--primary-light);
      font-family: var(--font-serif);
      line-height: 1;
      margin-bottom: 10px;
    }
    .node-title {
      font-size: 16px;
      font-weight: 700;
      color: var(--primary-dark);
      margin-bottom: 8px;
    }
    .node-desc {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 12px;
    }
    .node-script {
      background: var(--bg-alt);
      border-left: 2px solid var(--accent);
      padding: 8px 10px;
      font-size: 12px;
      color: #334155;
      font-style: italic;
    }

    /* 板块4: 冲突降温与分流对照表 */
    .table-container {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      overflow-x: auto;
      box-shadow: var(--shadow-sm);
    }
    .comparison-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 14px;
    }
    .comparison-table th, 
    .comparison-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border-light);
    }
    .comparison-table th {
      background: #f8fafc;
      color: var(--primary-dark);
      font-weight: 700;
    }
    .comparison-table tr:last-child td {
      border-bottom: none;
    }
    .bad-tag {
      color: var(--danger);
      background: #fef2f2;
      padding: 2px 8px;
      border-radius: 4px;
      font-size: 12px;
      font-weight: 600;
    }
    .good-tag {
      color: var(--success);
      background: #f0fdf4;
      padding: 2px 8px;
      border-radius: 4px;
      font-size: 12px;
      font-weight: 600;
    }

    /* 板块5: 身体语言与微反应观察 */
    .signal-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 30px;
      align-items: center;
    }
    .signal-image-wrap img {
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-md);
      width: 100%;
      height: 340px;
      object-fit: cover;
    }
    .signal-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .signal-item {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-sm);
      padding: 16px 20px;
      border-left: 4px solid var(--primary);
    }
    .signal-item h5 {
      font-size: 15px;
      font-weight: 700;
      color: var(--primary-dark);
      margin-bottom: 4px;
    }
    .signal-item p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.55;
    }

    /* 板块6: 伴侣双向节奏校准机制 */
    .sync-panel-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .sync-card {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-sm);
    }
    .sync-card h4 {
      font-size: 17px;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .sync-card ul {
      list-style: none;
    }
    .sync-card li {
      font-size: 14px;
      color: #334155;
      padding: 8px 0;
      border-bottom: 1px dashed var(--border-light);
    }
    .sync-card li:last-child {
      border-bottom: none;
    }

    /* 板块7: 突发场景危机干预清单 */
    .scenario-box {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }
    .scenario-item {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 22px;
    }
    .scenario-item h4 {
      font-size: 16px;
      font-weight: 700;
      color: var(--primary-dark);
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .scenario-item p {
      font-size: 14px;
      color: #475569;
      line-height: 1.65;
    }

    /* 板块8: 深度问答答疑区 */
    .qa-stack {
      display: flex;
      flex-direction: column;
      gap: 16px;
      max-width: 900px;
      margin: 0 auto;
    }
    .qa-item {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 20px 24px;
      box-shadow: var(--shadow-sm);
    }
    .qa-item h4 {
      font-size: 16px;
      font-weight: 700;
      color: var(--primary-dark);
      margin-bottom: 8px;
    }
    .qa-item p {
      font-size: 14px;
      color: #475569;
      line-height: 1.7;
    }

    /* 页脚 */
    .site-footer {
      background: #0f172a;
      color: #94a3b8;
      padding: 60px 0 30px;
      border-top: 1px solid #1e293b;
      font-size: 14px;
    }
    .footer-top-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 40px;
    }
    .footer-brand h3 {
      font-family: var(--font-serif);
      font-size: 20px;
      color: #ffffff;
      margin-bottom: 14px;
    }
    .footer-brand p {
      line-height: 1.8;
      color: #64748b;
      font-size: 13px;
    }
    .footer-col h5 {
      color: #ffffff;
      font-size: 15px;
      margin-bottom: 16px;
      font-weight: 600;
    }
    .footer-col ul {
      list-style: none;
    }
    .footer-col li {
      margin-bottom: 10px;
    }
    .footer-col a {
      color: #94a3b8;
      transition: color 0.2s ease;
    }
    .footer-col a:hover {
      color: #ffffff;
    }
    .footer-bottom {
      border-top: 1px solid #1e293b;
      padding-top: 24px;
      font-size: 12px;
      color: #475569;
      display: flex;
      flex-direction: column;
      gap: 8px;
      line-height: 1.6;
    }

    /* 响应式调整 */
    @media (max-width: 1024px) {
      .footer-top-grid {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
      }
      .journal-hero-grid {
        grid-template-columns: 1fr;
      }
      .step-timeline {
        grid-template-columns: repeat(2, 1fr);
      }
    }
    @media (max-width: 768px) {
      .header-top {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
      }
      .mismatch-grid,
      .sync-panel-grid,
      .scenario-box,
      .signal-grid {
        grid-template-columns: 1fr;
      }
      .step-timeline {
        grid-template-columns: 1fr;
      }
      .journal-hero-main h1 {
        font-size: 26px;
      }
      .section-title {
        font-size: 22px;
      }
    }
    @media (max-width: 520px) {
      .footer-top-grid {
        grid-template-columns: 1fr;
      }
      .header-nav {
        gap: 16px;
      }
    }

/* roulang page: category4 */
:root {
  --primary: #1e3a8a;
  --primary-light: #3b82f6;
  --primary-dark: #0f172a;
  --accent: #d97706;
  --accent-gold: #b45309;
  --danger: #dc2626;
  --success: #16a34a;
  --text-main: #1e293b;
  --text-muted: #64748b;
  --bg-page: #f8fafc;
  --bg-card: #ffffff;
  --bg-alt: #f1f5f9;
  --border-light: #e2e8f0;
  --border-dark: #cbd5e1;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.05);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --font-serif: "Songti SC", "SimSun", "Noto Serif CJK SC", serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
body {
  font-family: var(--font-sans);
  background-color: var(--bg-page);
  color: var(--text-main);
  line-height: 1.68;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
a {
  color: inherit;
  text-decoration: none;
  transition: all 0.2s ease;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* 杂志刊头导航风格 */
.magazine-header {
  background-color: #ffffff;
  border-bottom: 2px solid var(--primary-dark);
}
.header-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0 16px;
  border-bottom: 1px solid var(--border-light);
}
.brand-masthead {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 900;
  color: var(--primary-dark);
  letter-spacing: 1.5px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.badge-edition {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 700;
  background-color: var(--primary);
  color: #ffffff;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  letter-spacing: 0.5px;
}
.header-meta {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 500;
  letter-spacing: 0.5px;
}
.header-nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
}
.header-nav a {
  display: inline-block;
  padding: 14px 24px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  border-right: 1px solid var(--border-light);
}
.header-nav a:first-child {
  border-left: 1px solid var(--border-light);
}
.header-nav a:hover,
.header-nav a.active {
  color: var(--primary-light);
  background-color: var(--bg-alt);
}

/* 帮助中心式 Hero */
.doc-hero {
  background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 100%);
  color: #ffffff;
  padding: 60px 0 70px;
  text-align: center;
  position: relative;
}
.doc-hero-badge {
  display: inline-block;
  font-size: 12px;
  text-transform: uppercase;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.25);
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 16px;
  letter-spacing: 1px;
}
.doc-hero h1 {
  font-family: var(--font-serif);
  font-size: 34px;
  font-weight: 800;
  letter-spacing: 1px;
  margin-bottom: 14px;
  color: #ffffff;
}
.doc-hero-summary {
  max-width: 800px;
  margin: 0 auto 28px;
  font-size: 16px;
  color: #cbd5e1;
  line-height: 1.7;
}
.doc-search-wrapper {
  max-width: 660px;
  margin: 0 auto;
  position: relative;
}
.doc-search-input-box {
  display: flex;
  background: #ffffff;
  border-radius: var(--radius-md);
  padding: 6px;
  box-shadow: 0 12px 30px rgba(0,0,0,0.25);
}
.doc-search-input-box input {
  flex: 1;
  border: none;
  padding: 12px 18px;
  font-size: 15px;
  color: var(--text-main);
  outline: none;
  background: transparent;
}
.doc-search-btn {
  background: var(--primary-light);
  color: #ffffff;
  border: none;
  padding: 0 24px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background 0.2s ease;
}
.doc-search-btn:hover {
  background: #2563eb;
}
.hot-chips {
  margin-top: 18px;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}
.hot-chips span {
  font-size: 13px;
  color: #94a3b8;
}
.chip-item {
  font-size: 12px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.18);
  color: #e2e8f0;
  padding: 4px 12px;
  border-radius: 14px;
  transition: all 0.2s;
}
.chip-item:hover {
  background: rgba(255,255,255,0.2);
  color: #ffffff;
}

/* 通用 section */
.section-block {
  padding: 60px 0;
  border-bottom: 1px solid var(--border-light);
}
.section-alt {
  background-color: var(--bg-alt);
}
.section-heading-wrap {
  margin-bottom: 36px;
}
.section-eyebrow {
  font-size: 12px;
  font-weight: 700;
  color: var(--primary-light);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  display: block;
  margin-bottom: 6px;
}
.section-main-title {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 800;
  color: var(--primary-dark);
}
.section-subtext {
  font-size: 15px;
  color: var(--text-muted);
  margin-top: 8px;
  max-width: 820px;
}

/* 板块2: 生物学双机制对比 (不对称分栏) */
.mech-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}
.mech-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-sm);
}
.mech-icon-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 16px;
}
.pill-blue { background: #dbeafe; color: #1e40af; }
.pill-amber { background: #fef3c7; color: #92400e; }
.mech-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--primary-dark);
}
.mech-card p {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 20px;
}
.mech-factors {
  list-style: none;
  border-top: 1px solid var(--border-light);
  padding-top: 16px;
}
.mech-factors li {
  font-size: 14px;
  color: var(--text-main);
  margin-bottom: 8px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
.mech-factors li::before {
  content: "•";
  color: var(--primary-light);
  font-weight: bold;
}

/* 板块3: 榜单/方案梯队 (带评分与标签) */
.tier-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.tier-item {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  display: grid;
  grid-template-columns: 240px 1fr 180px;
  gap: 24px;
  align-items: center;
  transition: transform 0.2s, box-shadow 0.2s;
}
.tier-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-dark);
}
.tier-rank-info {
  display: flex;
  align-items: center;
  gap: 14px;
}
.tier-badge {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 900;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--bg-alt);
  color: var(--primary-dark);
}
.tier-top .tier-badge {
  background: #fef3c7;
  color: #b45309;
}
.tier-meta h4 {
  font-size: 17px;
  font-weight: 700;
  color: var(--primary-dark);
}
.tier-meta span {
  font-size: 12px;
  color: var(--text-muted);
}
.tier-body p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}
.tier-specs {
  display: flex;
  gap: 14px;
  margin-top: 8px;
}
.tier-specs span {
  font-size: 12px;
  background: var(--bg-alt);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  color: var(--text-main);
}
.tier-metrics {
  text-align: right;
  border-left: 1px solid var(--border-light);
  padding-left: 20px;
}
.tier-score {
  font-size: 24px;
  font-weight: 800;
  color: var(--accent-gold);
}
.tier-stars {
  font-size: 13px;
  color: #eab308;
  letter-spacing: 2px;
  margin: 2px 0 6px;
}
.tier-tag {
  font-size: 11px;
  font-weight: 600;
  color: var(--success);
  display: inline-block;
  background: #dcfce7;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
}

/* 板块4: 21天日程流 (横向时间线图文) */
.timeline-block {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 36px;
  align-items: center;
}
.timeline-cover {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-light);
}
.timeline-cover img {
  width: 100%;
  height: 380px;
  object-fit: cover;
}
.timeline-steps {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.t-step-card {
  background: var(--bg-card);
  border-left: 4px solid var(--primary-light);
  padding: 16px 20px;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  box-shadow: var(--shadow-sm);
  border-top: 1px solid var(--border-light);
  border-right: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}
.t-step-card.stage-2 { border-left-color: var(--accent); }
.t-step-card.stage-3 { border-left-color: var(--success); }
.t-step-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}
.t-step-head h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--primary-dark);
}
.t-step-day {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--bg-alt);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
}
.t-step-card p {
  font-size: 13.5px;
  color: var(--text-muted);
  line-height: 1.55;
}

/* 板块5: 环境隔离防线矩阵 (2x2卡片) */
.def-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.def-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: border-color 0.2s;
}
.def-card:hover {
  border-color: var(--primary-light);
}
.def-num {
  font-size: 13px;
  font-weight: 800;
  color: var(--primary-light);
  margin-bottom: 8px;
  display: block;
}
.def-card h4 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--primary-dark);
}
.def-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* 板块6: 突发熔断流程 (横向多步骤) */
.process-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.proc-box {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 20px;
  position: relative;
}
.proc-step-num {
  position: absolute;
  top: 16px;
  right: 16px;
  font-size: 24px;
  font-family: var(--font-serif);
  font-weight: 900;
  color: var(--border-dark);
  line-height: 1;
}
.proc-box h5 {
  font-size: 16px;
  font-weight: 700;
  color: var(--primary-dark);
  margin-bottom: 8px;
}
.proc-box p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.55;
}

/* 板块7: 长期指标量化表 */
.metrics-table-box {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow-x: auto;
}
.metrics-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 14px;
}
.metrics-table th, .metrics-table td {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border-light);
}
.metrics-table th {
  background: var(--bg-alt);
  font-weight: 700;
  color: var(--primary-dark);
}
.metrics-table tr:last-child td {
  border-bottom: none;
}
.tag-good {
  color: var(--success);
  font-weight: 600;
}
.tag-warn {
  color: var(--accent-gold);
  font-weight: 600;
}

/* 板块8: 深度知识收口与互助保障条 */
.knowledge-cta-box {
  background: linear-gradient(to right, #1e3a8a, #0f172a);
  border-radius: var(--radius-lg);
  padding: 40px 48px;
  color: #ffffff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 32px;
}
.cta-text h3 {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 8px;
}
.cta-text p {
  font-size: 15px;
  color: #cbd5e1;
  max-width: 680px;
}
.cta-actions {
  display: flex;
  gap: 16px;
  flex-shrink: 0;
}
.btn-doc {
  background: #ffffff;
  color: var(--primary-dark);
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 14px;
  display: inline-block;
}
.btn-doc:hover {
  background: #f1f5f9;
}
.btn-ghost {
  border: 1px solid rgba(255,255,255,0.4);
  color: #ffffff;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 14px;
  display: inline-block;
}
.btn-ghost:hover {
  background: rgba(255,255,255,0.1);
}

/* 页脚 */
.site-footer {
  background: #0f172a;
  color: #94a3b8;
  padding: 60px 0 30px;
  font-size: 14px;
  border-top: 4px solid var(--primary-light);
}
.footer-top-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand h3 {
  color: #ffffff;
  font-family: var(--font-serif);
  font-size: 20px;
  margin-bottom: 12px;
}
.footer-brand p {
  line-height: 1.65;
  color: #94a3b8;
  font-size: 13.5px;
}
.footer-col h5 {
  color: #ffffff;
  font-size: 15px;
  margin-bottom: 16px;
  font-weight: 600;
}
.footer-col ul {
  list-style: none;
}
.footer-col li {
  margin-bottom: 10px;
}
.footer-col a:hover {
  color: #ffffff;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 13px;
  color: #64748b;
}

/* 响应式断点 */
@media (max-width: 1024px) {
  .tier-item {
    grid-template-columns: 200px 1fr 140px;
    gap: 16px;
  }
  .def-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .process-strip {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-top-grid {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
  }
}
@media (max-width: 768px) {
  .header-top {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .header-nav {
    overflow-x: auto;
    white-space: nowrap;
    width: 100%;
  }
  .header-nav a {
    padding: 10px 16px;
    font-size: 14px;
  }
  .doc-hero h1 {
    font-size: 26px;
  }
  .mech-grid {
    grid-template-columns: 1fr;
  }
  .tier-item {
    grid-template-columns: 1fr;
  }
  .tier-metrics {
    text-align: left;
    border-left: none;
    border-top: 1px solid var(--border-light);
    padding-left: 0;
    padding-top: 14px;
  }
  .timeline-block {
    grid-template-columns: 1fr;
  }
  .def-grid {
    grid-template-columns: 1fr;
  }
  .process-strip {
    grid-template-columns: 1fr;
  }
  .knowledge-cta-box {
    flex-direction: column;
    align-items: flex-start;
    padding: 28px 24px;
  }
  .cta-actions {
    width: 100%;
    flex-direction: column;
  }
  .btn-doc, .btn-ghost {
    text-align: center;
  }
  .footer-top-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}