/* roulang page: index */
:root {
            --primary-blue: #1F5FA8;
            --primary-blue-dark: #174A85;
            --primary-blue-light: #2E6FBA;
            --bg-light-blue: #E8F1FB;
            --bg-page: #F8FAFC;
            --text-heading: #102A43;
            --text-body: #52606D;
            --text-muted: #7B8794;
            --card-white: #FFFFFF;
            --border-light: #E1E8F0;
            --shadow-sm: 0 2px 8px rgba(16, 42, 58, 0.08);
            --shadow-md: 0 8px 20px rgba(16, 42, 58, 0.12);
            --shadow-lg: 0 12px 32px rgba(16, 42, 58, 0.16);
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 10px;
            --radius-xl: 14px;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 60px;
            --spacing-xxl: 80px;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', Arial, sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', Arial, sans-serif;
            --transition-fast: 0.15s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.35s ease;
        }

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

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

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-body);
            background-color: var(--bg-page);
            overflow-x: hidden;
        }

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

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

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

        a:focus-visible {
            outline: 2px solid var(--primary-blue);
            outline-offset: 2px;
            border-radius: 2px;
        }

        button,
        input,
        select,
        textarea {
            font-family: var(--font-body);
            font-size: 15px;
        }

        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--primary-blue);
            outline-offset: 2px;
        }

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

        .section-padding {
            padding-top: var(--spacing-xl);
            padding-bottom: var(--spacing-xl);
        }

        .section-padding-lg {
            padding-top: var(--spacing-xxl);
            padding-bottom: var(--spacing-xxl);
        }

        .section-title {
            font-family: var(--font-heading);
            font-size: 28px;
            font-weight: 700;
            color: var(--text-heading);
            line-height: 1.4;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.5px;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: var(--spacing-lg);
            max-width: 720px;
        }

        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary-blue);
            background: var(--bg-light-blue);
            border-radius: 20px;
            padding: 4px 14px;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.5px;
        }

        .text-heading {
            color: var(--text-heading);
        }
        .text-body-color {
            color: var(--text-body);
        }
        .text-muted {
            color: var(--text-muted);
        }
        .text-primary {
            color: var(--primary-blue);
        }
        .text-white {
            color: #fff;
        }
        .font-heading {
            font-family: var(--font-heading);
        }
        .fw-600 {
            font-weight: 600;
        }
        .fw-700 {
            font-weight: 700;
        }

        /* ============ 导航 ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.72);
            backdrop-filter: blur(14px) saturate(160%);
            -webkit-backdrop-filter: blur(14px) saturate(160%);
            border-bottom: 1px solid rgba(255, 255, 255, 0.5);
            box-shadow: 0 1px 12px rgba(16, 42, 58, 0.06);
            transition: background var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
        }

        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.96);
            box-shadow: 0 2px 16px rgba(16, 42, 58, 0.1);
            border-bottom: 1px solid var(--border-light);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

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

        .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--primary-blue);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            letter-spacing: 0;
            flex-shrink: 0;
        }

        .logo-text {
            font-family: var(--font-heading);
            font-size: 18px;
            font-weight: 700;
            color: var(--text-heading);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

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

        .nav-links a {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-heading);
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.3px;
        }

        .nav-links a:hover {
            color: var(--primary-blue);
            background: rgba(31, 95, 168, 0.06);
        }

        .nav-links a.active {
            color: var(--primary-blue);
            background: rgba(31, 95, 168, 0.1);
            font-weight: 600;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .search-trigger {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            border: 1px solid var(--border-light);
            background: var(--card-white);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-heading);
            cursor: pointer;
            font-size: 14px;
            transition: all var(--transition-fast);
        }

        .search-trigger:hover {
            border-color: var(--primary-blue);
            color: var(--primary-blue);
            box-shadow: var(--shadow-sm);
        }

        .btn-nav-cta {
            font-size: 13px;
            font-weight: 600;
            background: var(--primary-blue);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            padding: 9px 18px;
            cursor: pointer;
            letter-spacing: 0.5px;
            transition: background var(--transition-fast);
            white-space: nowrap;
        }

        .btn-nav-cta:hover {
            background: var(--primary-blue-dark);
            color: #fff;
        }

        .mobile-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            background: var(--card-white);
            cursor: pointer;
            align-items: center;
            justify-content: center;
            color: var(--text-heading);
            font-size: 18px;
            transition: all var(--transition-fast);
        }

        .mobile-toggle:hover {
            border-color: var(--primary-blue);
            color: var(--primary-blue);
        }

        /* ============ Hero ============ */
        .hero-section {
            position: relative;
            min-height: 82vh;
            display: flex;
            align-items: center;
            background: linear-gradient(160deg, #E8F1FB 0%, #F8FAFC 55%, #FFFFFF 100%);
            padding-top: 80px;
            padding-bottom: 60px;
            overflow: hidden;
        }

        .hero-bg-img {
            position: absolute;
            top: 0;
            right: 0;
            width: 52%;
            height: 100%;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center right;
            opacity: 0.18;
            pointer-events: none;
            z-index: 0;
        }

        .hero-inner {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-xl);
            align-items: center;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }

        .hero-left {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary-blue);
            background: rgba(31, 95, 168, 0.1);
            border-radius: 20px;
            padding: 6px 16px;
            width: fit-content;
            letter-spacing: 0.5px;
        }

        .hero-badge .dot {
            width: 6px;
            height: 6px;
            background: var(--primary-blue);
            border-radius: 50%;
            animation: pulse-dot 2s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.4); }
        }

        .hero-title {
            font-family: var(--font-heading);
            font-size: 38px;
            font-weight: 700;
            color: var(--text-heading);
            line-height: 1.35;
            letter-spacing: 0.8px;
            margin: 0;
        }

        .hero-title .highlight {
            color: var(--primary-blue);
            position: relative;
        }

        .hero-title .highlight::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 0;
            right: 0;
            height: 4px;
            background: rgba(31, 95, 168, 0.2);
            border-radius: 2px;
        }

        .hero-desc {
            font-size: 16px;
            color: var(--text-body);
            line-height: 1.9;
            max-width: 520px;
        }

        .hero-cta-group {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-top: 4px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            background: var(--primary-blue);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            padding: 13px 28px;
            cursor: pointer;
            letter-spacing: 0.5px;
            transition: all var(--transition-fast);
            box-shadow: 0 2px 8px rgba(31, 95, 168, 0.2);
        }

        .btn-primary:hover {
            background: var(--primary-blue-dark);
            box-shadow: 0 4px 16px rgba(31, 95, 168, 0.3);
            color: #fff;
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(31, 95, 168, 0.2);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            background: transparent;
            color: var(--primary-blue);
            border: 1.5px solid var(--primary-blue);
            border-radius: var(--radius-sm);
            padding: 11.5px 24px;
            cursor: pointer;
            letter-spacing: 0.5px;
            transition: all var(--transition-fast);
        }

        .btn-secondary:hover {
            background: rgba(31, 95, 168, 0.06);
            border-color: var(--primary-blue-dark);
            color: var(--primary-blue-dark);
        }

        .hero-data-points {
            display: flex;
            gap: 28px;
            margin-top: 8px;
            flex-wrap: wrap;
        }

        .hero-data-item {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .hero-data-num {
            font-family: var(--font-heading);
            font-size: 20px;
            font-weight: 700;
            color: var(--text-heading);
        }

        .hero-data-label {
            font-size: 12px;
            color: var(--text-muted);
            letter-spacing: 0.3px;
        }

        .hero-right {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .hero-visual-card {
            background: var(--card-white);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-md);
            padding: 28px;
            width: 100%;
            max-width: 460px;
            border: 1px solid var(--border-light);
        }

        .hero-visual-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 18px;
        }

        .hero-visual-title {
            font-family: var(--font-heading);
            font-size: 15px;
            font-weight: 600;
            color: var(--text-heading);
        }

        .hero-visual-badge {
            font-size: 11px;
            font-weight: 600;
            color: var(--primary-blue);
            background: var(--bg-light-blue);
            border-radius: 12px;
            padding: 3px 10px;
        }

        .mini-chart {
            display: flex;
            align-items: flex-end;
            gap: 6px;
            height: 100px;
            margin-bottom: 18px;
        }

        .mini-chart-bar {
            flex: 1;
            background: rgba(31, 95, 168, 0.2);
            border-radius: 3px 3px 0 0;
            min-height: 20px;
            transition: background var(--transition-fast);
            position: relative;
        }

        .mini-chart-bar:nth-child(odd) {
            background: rgba(31, 95, 168, 0.32);
        }
        .mini-chart-bar:nth-child(3n) {
            background: rgba(31, 95, 168, 0.5);
        }
        .mini-chart-bar:nth-child(5n) {
            background: rgba(31, 95, 168, 0.7);
        }
        .mini-chart-bar:hover {
            background: var(--primary-blue);
        }

        .hero-visual-footer {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 10px;
            padding-top: 14px;
            border-top: 1px solid var(--border-light);
        }

        .hero-mini-stat {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .hero-mini-stat-num {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-heading);
            font-family: var(--font-heading);
        }
        .hero-mini-stat-label {
            font-size: 11px;
            color: var(--text-muted);
        }

        /* ============ 指标看板 ============ */
        .kpi-section {
            background: var(--card-white);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }

        .kpi-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 0;
        }

        .kpi-card {
            padding: 28px 22px;
            text-align: center;
            border-right: 1px solid var(--border-light);
            transition: background var(--transition-fast);
        }

        .kpi-card:last-child {
            border-right: none;
        }

        .kpi-card:hover {
            background: var(--bg-light-blue);
        }

        .kpi-num {
            font-family: var(--font-heading);
            font-size: 34px;
            font-weight: 700;
            color: var(--primary-blue);
            line-height: 1.2;
            letter-spacing: 1px;
        }

        .kpi-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-heading);
            margin-top: 6px;
            letter-spacing: 0.5px;
        }

        .kpi-desc {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 4px;
            line-height: 1.6;
        }

        /* ============ 开奖速览 ============ */
        .draw-section {
            background: var(--bg-page);
        }

        .draw-tabs {
            display: flex;
            gap: 8px;
            margin-bottom: var(--spacing-md);
            flex-wrap: wrap;
        }

        .draw-tab {
            font-size: 13px;
            font-weight: 600;
            padding: 8px 18px;
            border-radius: 20px;
            border: 1px solid var(--border-light);
            background: var(--card-white);
            color: var(--text-body);
            cursor: pointer;
            transition: all var(--transition-fast);
            letter-spacing: 0.3px;
        }

        .draw-tab:hover {
            border-color: var(--primary-blue);
            color: var(--primary-blue);
        }
        .draw-tab.active {
            background: var(--primary-blue);
            border-color: var(--primary-blue);
            color: #fff;
        }

        .draw-table-wrap {
            background: var(--card-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            overflow: hidden;
        }

        .draw-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 14px;
        }

        .draw-table th {
            font-family: var(--font-heading);
            font-size: 13px;
            font-weight: 600;
            color: var(--text-heading);
            background: var(--bg-light-blue);
            padding: 14px 16px;
            text-align: left;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .draw-table td {
            padding: 14px 16px;
            color: var(--text-body);
            border-bottom: 1px solid var(--border-light);
            vertical-align: middle;
        }

        .draw-table tr:last-child td {
            border-bottom: none;
        }
        .draw-table tr:nth-child(even) td {
            background: #FAFBFC;
        }

        .draw-ball-group {
            display: flex;
            gap: 5px;
            flex-wrap: wrap;
        }

        .draw-ball {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 700;
            font-family: var(--font-heading);
        }

        .draw-ball.red {
            background: #E74C3C;
            color: #fff;
        }
        .draw-ball.blue {
            background: #1F5FA8;
            color: #fff;
        }
        .draw-ball.green {
            background: #27AE60;
            color: #fff;
        }

        /* ============ 服务矩阵 ============ */
        .service-section {
            background: var(--card-white);
        }

        .service-non-uniform {
            display: grid;
            grid-template-columns: 1.2fr 1fr 1fr;
            grid-template-rows: auto auto;
            gap: 20px;
        }

        .service-card {
            background: var(--bg-page);
            border-radius: var(--radius-lg);
            padding: 26px 22px;
            border: 1px solid var(--border-light);
            transition: all var(--transition-base);
            cursor: default;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .service-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: rgba(31, 95, 168, 0.25);
            background: #FFFFFF;
        }

        .service-card.wide {
            grid-row: span 2;
            padding: 32px 28px;
            background: linear-gradient(150deg, #F0F6FD 0%, #E8F1FB 100%);
        }

        .service-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-md);
            background: var(--bg-light-blue);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--primary-blue);
            flex-shrink: 0;
        }

        .service-card.wide .service-icon {
            width: 52px;
            height: 52px;
            font-size: 24px;
            background: rgba(31, 95, 168, 0.12);
        }

        .service-name {
            font-family: var(--font-heading);
            font-size: 17px;
            font-weight: 700;
            color: var(--text-heading);
            letter-spacing: 0.5px;
        }

        .service-card.wide .service-name {
            font-size: 20px;
        }

        .service-desc {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.8;
            flex: 1;
        }

        .service-meta {
            font-size: 12px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
            letter-spacing: 0.3px;
        }

        /* ============ 结果对比 ============ */
        .compare-section {
            background: var(--bg-page);
        }

        .compare-intro {
            max-width: 800px;
            margin-bottom: var(--spacing-lg);
            font-size: 15px;
            line-height: 1.9;
            color: var(--text-body);
        }

        .compare-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-bottom: var(--spacing-lg);
        }

        .compare-card {
            background: var(--card-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            padding: 24px 20px;
            transition: all var(--transition-base);
        }

        .compare-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .compare-card.highlight {
            border: 2px solid var(--primary-blue);
            background: #F7F9FC;
        }

        .compare-card-header {
            font-family: var(--font-heading);
            font-size: 17px;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .compare-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 9px 0;
            border-bottom: 1px solid var(--border-light);
            font-size: 13px;
        }

        .compare-item:last-child {
            border-bottom: none;
        }
        .compare-item-label {
            color: var(--text-muted);
        }
        .compare-item-value {
            font-weight: 600;
            color: var(--text-heading);
        }
        .compare-item-value.good {
            color: #27AE60;
        }

        .compare-table-full {
            background: var(--card-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .compare-full-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 14px;
        }

        .compare-full-table th {
            font-family: var(--font-heading);
            font-size: 13px;
            font-weight: 600;
            color: var(--text-heading);
            padding: 14px 16px;
            text-align: left;
            background: var(--bg-light-blue);
            letter-spacing: 0.5px;
        }

        .compare-full-table td {
            padding: 13px 16px;
            color: var(--text-body);
            border-bottom: 1px solid var(--border-light);
            vertical-align: middle;
        }
        .compare-full-table tr:nth-child(even) td {
            background: #FAFBFC;
        }

        /* ============ 深度内容区 ============ */
        .deep-section {
            background: var(--card-white);
        }

        .deep-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-lg);
            align-items: center;
            margin-bottom: var(--spacing-xl);
            padding-bottom: var(--spacing-xl);
            border-bottom: 1px solid var(--border-light);
        }
        .deep-block:last-child {
            margin-bottom: 0;
            padding-bottom: 0;
            border-bottom: none;
        }

        .deep-text h3 {
            font-family: var(--font-heading);
            font-size: 22px;
            font-weight: 700;
            color: var(--text-heading);
            line-height: 1.45;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.5px;
        }

        .deep-text p {
            font-size: 15px;
            line-height: 1.9;
            color: var(--text-body);
            margin-bottom: 12px;
        }

        .deep-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
        }

        .deep-img img {
            width: 100%;
            object-fit: cover;
            aspect-ratio: 16/10;
        }

        /* ============ 品牌介绍 ============ */
        .brand-section {
            background: linear-gradient(160deg, #E8F1FB 0%, #F8FAFC 100%);
        }

        .brand-card {
            background: var(--card-white);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
            padding: 36px 32px;
            max-width: 900px;
            margin: 0 auto;
        }

        .brand-card p {
            font-size: 15px;
            line-height: 2;
            color: var(--text-body);
            margin-bottom: 12px;
        }
        .brand-card p:last-child {
            margin-bottom: 0;
        }

        /* ============ 新闻中心 ============ */
        .news-section {
            background: var(--bg-page);
        }

        .news-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-lg);
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .news-list-item {
            display: flex;
            align-items: baseline;
            gap: 14px;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            background: transparent;
            cursor: pointer;
            transition: all var(--transition-fast);
            border: 1px solid transparent;
        }

        .news-list-item:hover,
        .news-list-item.active {
            background: var(--card-white);
            border-color: var(--border-light);
            box-shadow: var(--shadow-sm);
        }

        .news-date {
            font-size: 13px;
            color: var(--text-muted);
            white-space: nowrap;
            font-weight: 500;
            letter-spacing: 0.3px;
        }

        .news-title-list {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-heading);
            line-height: 1.5;
        }

        .news-detail-card {
            background: var(--card-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            padding: 28px 24px;
            display: flex;
            flex-direction: column;
            gap: 14px;
            min-height: 320px;
        }

        .news-detail-date {
            font-size: 13px;
            color: var(--text-muted);
            letter-spacing: 0.5px;
        }

        .news-detail-title {
            font-family: var(--font-heading);
            font-size: 20px;
            font-weight: 700;
            color: var(--text-heading);
            line-height: 1.5;
            letter-spacing: 0.5px;
        }

        .news-detail-desc {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.9;
            flex: 1;
        }

        .btn-read-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary-blue);
            background: transparent;
            border: 1px solid var(--primary-blue);
            border-radius: var(--radius-sm);
            padding: 8px 16px;
            cursor: pointer;
            transition: all var(--transition-fast);
            width: fit-content;
            letter-spacing: 0.3px;
        }

        .btn-read-more:hover {
            background: var(--primary-blue);
            color: #fff;
        }

        /* ============ 口碑气泡 ============ */
        .testimonial-section {
            background: var(--card-white);
        }

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

        .testimonial-card {
            background: var(--bg-page);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            padding: 22px 20px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            transition: all var(--transition-base);
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .testimonial-avatar {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: var(--bg-light-blue);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: var(--primary-blue);
            font-weight: 700;
            font-family: var(--font-heading);
            flex-shrink: 0;
        }

        .testimonial-top {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .testimonial-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-heading);
        }
        .testimonial-tag {
            font-size: 11px;
            color: var(--text-muted);
        }
        .testimonial-quote {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.8;
            flex: 1;
        }

        /* ============ 内容日历 ============ */
        .calendar-section {
            background: var(--bg-page);
        }

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

        .calendar-card {
            background: var(--card-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            padding: 18px 16px;
            display: flex;
            flex-direction: column;
            gap: 6px;
            transition: all var(--transition-fast);
        }
        .calendar-card:hover {
            box-shadow: var(--shadow-sm);
            border-color: rgba(31, 95, 168, 0.3);
        }

        .calendar-date {
            font-family: var(--font-heading);
            font-size: 15px;
            font-weight: 700;
            color: var(--primary-blue);
            letter-spacing: 0.5px;
        }
        .calendar-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-heading);
        }
        .calendar-desc {
            font-size: 12px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ============ FAQ ============ */
        .faq-section {
            background: var(--card-white);
        }

        .accordion-custom {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .accordion-item {
            background: var(--bg-page);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .accordion-item:hover {
            border-color: rgba(31, 95, 168, 0.3);
        }
        .accordion-item.open {
            border-color: var(--primary-blue);
            box-shadow: var(--shadow-sm);
        }

        .accordion-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 16px 20px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-heading);
            font-family: var(--font-heading);
            letter-spacing: 0.3px;
            transition: all var(--transition-fast);
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
        }

        .accordion-header:hover {
            color: var(--primary-blue);
        }

        .accordion-icon {
            font-size: 14px;
            color: var(--text-muted);
            transition: transform var(--transition-base);
            flex-shrink: 0;
        }
        .accordion-item.open .accordion-icon {
            transform: rotate(180deg);
            color: var(--primary-blue);
        }

        .accordion-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 20px;
        }
        .accordion-item.open .accordion-body {
            max-height: 400px;
            padding-bottom: 18px;
        }
        .accordion-body p {
            font-size: 15px;
            line-height: 1.85;
            color: var(--text-body);
            margin: 0;
        }

        /* ============ 转化表单 ============ */
        .cta-section {
            background: linear-gradient(160deg, #E8F1FB 0%, #D6E4F5 100%);
        }

        .cta-card {
            background: var(--card-white);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
            padding: 36px 32px;
            max-width: 720px;
            margin: 0 auto;
        }

        .cta-card h3 {
            font-family: var(--font-heading);
            font-size: 22px;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 8px;
            letter-spacing: 0.5px;
        }

        .cta-card p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 20px;
            line-height: 1.8;
        }

        .form-group-custom {
            display: flex;
            flex-direction: column;
            gap: 6px;
            margin-bottom: 16px;
        }

        .form-group-custom label {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-heading);
            letter-spacing: 0.3px;
        }

        .form-input {
            font-size: 14px;
            padding: 11px 14px;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            background: var(--bg-page);
            color: var(--text-heading);
            transition: all var(--transition-fast);
            width: 100%;
        }

        .form-input:focus {
            border-color: var(--primary-blue);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(31, 95, 168, 0.1);
        }

        .form-select {
            font-size: 14px;
            padding: 11px 14px;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            background: var(--bg-page);
            color: var(--text-heading);
            width: 100%;
            appearance: none;
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .form-select:focus {
            border-color: var(--primary-blue);
            box-shadow: 0 0 0 3px rgba(31, 95, 168, 0.1);
        }

        .form-row-duo {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px;
        }

        .form-trust {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 12px;
            line-height: 1.7;
            letter-spacing: 0.3px;
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: #0F1E2E;
            padding: 40px 0 28px;
            color: #A9B8C8;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }

        .footer-brand .logo-text {
            color: #fff;
            font-size: 18px;
            margin-bottom: 10px;
        }
        .footer-brand p {
            font-size: 13px;
            line-height: 1.8;
            color: #A9B8C8;
            max-width: 300px;
        }

        .footer-links h4 {
            font-family: var(--font-heading);
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .footer-links a {
            display: block;
            font-size: 13px;
            color: #A9B8C8;
            padding: 4px 0;
            transition: color var(--transition-fast);
        }
        .footer-links a:hover {
            color: #fff;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            font-size: 12px;
        }

        .footer-bottom a {
            color: #A9B8C8;
            font-size: 12px;
        }
        .footer-bottom a:hover {
            color: #fff;
        }

        .footer-divider {
            color: rgba(255, 255, 255, 0.3);
            margin: 0 8px;
        }

        /* ============ 响应式 ============ */
        @media (max-width: 1024px) {
            .kpi-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .kpi-card:nth-child(3) {
                border-right: none;
            }
            .kpi-card:nth-child(-n+3) {
                border-bottom: 1px solid var(--border-light);
            }
            .service-non-uniform {
                grid-template-columns: 1fr 1fr;
                grid-template-rows: auto;
            }
            .service-card.wide {
                grid-row: span 1;
                grid-column: span 2;
            }
            .hero-inner {
                grid-template-columns: 1fr;
                text-align: left;
            }
            .hero-bg-img {
                width: 100%;
                opacity: 0.1;
            }
            .hero-right {
                justify-content: flex-start;
            }
            .hero-visual-card {
                max-width: 100%;
            }
            .news-layout {
                grid-template-columns: 1fr;
            }
            .calendar-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .compare-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .deep-block {
                grid-template-columns: 1fr;
            }
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                height: 56px;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 56px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 16px 20px;
                gap: 4px;
                border-bottom: 1px solid var(--border-light);
                box-shadow: var(--shadow-md);
                z-index: 999;
            }
            .nav-links.mobile-open {
                display: flex;
            }
            .nav-links a {
                padding: 10px 12px;
                font-size: 15px;
                width: 100%;
            }
            .mobile-toggle {
                display: flex;
            }
            .header-actions .btn-nav-cta {
                display: none;
            }
            .hero-section {
                min-height: auto;
                padding-top: 100px;
                padding-bottom: 40px;
            }
            .hero-title {
                font-size: 28px;
            }
            .hero-cta-group {
                gap: 10px;
            }
            .btn-primary,
            .btn-secondary {
                font-size: 14px;
                padding: 11px 20px;
            }
            .kpi-grid {
                grid-template-columns: 1fr 1fr;
            }
            .kpi-card {
                border-right: 1px solid var(--border-light);
                border-bottom: 1px solid var(--border-light);
            }
            .kpi-card:nth-child(even) {
                border-right: none;
            }
            .kpi-card:nth-child(5) {
                grid-column: span 2;
                border-bottom: none;
            }
            .service-non-uniform {
                grid-template-columns: 1fr;
            }
            .service-card.wide {
                grid-column: span 1;
            }
            .compare-grid {
                grid-template-columns: 1fr;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .calendar-grid {
                grid-template-columns: 1fr;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .form-row-duo {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .section-title {
                font-size: 24px;
            }
            .deep-text h3 {
                font-size: 19px;
            }
            .cta-card {
                padding: 24px 20px;
            }
            .brand-card {
                padding: 24px 20px;
            }
        }

        @media (max-width: 520px) {
            .section-padding,
            .section-padding-lg {
                padding-top: var(--spacing-lg);
                padding-bottom: var(--spacing-lg);
            }
            .hero-title {
                font-size: 24px;
                letter-spacing: 0.3px;
            }
            .hero-desc {
                font-size: 14px;
            }
            .hero-data-points {
                gap: 16px;
            }
            .kpi-grid {
                grid-template-columns: 1fr;
            }
            .kpi-card {
                border-right: none;
                border-bottom: 1px solid var(--border-light);
            }
            .kpi-card:nth-child(5) {
                grid-column: span 1;
            }
            .kpi-card:last-child {
                border-bottom: none;
            }
            .kpi-card:nth-child(even) {
                border-right: none;
            }
            .section-title {
                font-size: 22px;
            }
            .draw-table {
                font-size: 12px;
            }
            .draw-table th,
            .draw-table td {
                padding: 10px 8px;
            }
            .draw-ball {
                width: 24px;
                height: 24px;
                font-size: 11px;
            }
            .news-detail-title {
                font-size: 17px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

/* roulang page: category3 */
:root {
            --primary-blue: #1F5FA8;
            --primary-blue-dark: #174A85;
            --primary-blue-light: #2E6FBA;
            --bg-light-blue: #E8F1FB;
            --bg-page: #F8FAFC;
            --text-heading: #102A43;
            --text-body: #52606D;
            --text-muted: #7B8794;
            --card-white: #FFFFFF;
            --border-light: #E1E8F0;
            --shadow-sm: 0 2px 8px rgba(16, 42, 58, 0.08);
            --shadow-md: 0 8px 20px rgba(16, 42, 58, 0.12);
            --shadow-lg: 0 12px 32px rgba(16, 42, 58, 0.16);
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 10px;
            --radius-xl: 14px;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 60px;
            --spacing-xxl: 80px;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', Arial, sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', Arial, sans-serif;
            --transition-fast: 0.15s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.35s ease;
        }

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

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

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-body);
            background-color: var(--bg-page);
            overflow-x: hidden;
        }

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

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

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

        a:focus-visible {
            outline: 2px solid var(--primary-blue);
            outline-offset: 2px;
            border-radius: 2px;
        }

        button,
        input,
        select,
        textarea {
            font-family: var(--font-body);
            font-size: 15px;
        }

        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--primary-blue);
            outline-offset: 2px;
        }

        h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-heading);
            color: var(--text-heading);
            line-height: 1.4;
            font-weight: 700;
            margin: 0 0 12px;
        }

        h1 { font-size: 36px; }
        h2 { font-size: 28px; }
        h3 { font-size: 20px; }
        h4 { font-size: 17px; }
        p { margin-bottom: 16px; }

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

        .section-padding {
            padding-top: var(--spacing-xl);
            padding-bottom: var(--spacing-xl);
        }
        .section-padding-lg {
            padding-top: var(--spacing-xxl);
            padding-bottom: var(--spacing-xxl);
        }
        .section-padding-sm {
            padding-top: var(--spacing-lg);
            padding-bottom: var(--spacing-lg);
        }

        .section-title {
            font-family: var(--font-heading);
            font-size: 28px;
            font-weight: 700;
            color: var(--text-heading);
            line-height: 1.4;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.5px;
        }
        .section-subtitle {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: var(--spacing-lg);
            max-width: 720px;
        }
        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary-blue);
            background: var(--bg-light-blue);
            border-radius: 20px;
            padding: 4px 14px;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.5px;
        }

        .text-heading { color: var(--text-heading); }
        .text-body-color { color: var(--text-body); }
        .text-muted { color: var(--text-muted); }
        .text-primary { color: var(--primary-blue); }
        .text-white { color: #fff; }
        .font-heading { font-family: var(--font-heading); }

        /* ============ 导航 ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.72);
            backdrop-filter: blur(14px) saturate(160%);
            -webkit-backdrop-filter: blur(14px) saturate(160%);
            border-bottom: 1px solid rgba(255, 255, 255, 0.5);
            box-shadow: 0 1px 12px rgba(16, 42, 58, 0.06);
            transition: background var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
        }
        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.96);
            box-shadow: 0 2px 16px rgba(16, 42, 58, 0.1);
            border-bottom: 1px solid var(--border-light);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--primary-blue);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .logo-text {
            font-family: var(--font-heading);
            font-size: 18px;
            font-weight: 700;
            color: var(--text-heading);
            letter-spacing: 0.5px;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 18px;
            flex-wrap: wrap;
        }
        .nav-links a {
            font-size: 15px;
            color: var(--text-body);
            font-weight: 500;
            padding: 6px 2px;
            position: relative;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }
        .nav-links a:hover {
            color: var(--primary-blue);
        }
        .nav-links a.active {
            color: var(--primary-blue);
            font-weight: 600;
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--primary-blue);
            border-radius: 2px;
        }
        .nav-cta {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .btn-primary-sm {
            background: var(--primary-blue);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            padding: 8px 16px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: background var(--transition-fast), box-shadow var(--transition-fast);
            white-space: nowrap;
        }
        .btn-primary-sm:hover {
            background: var(--primary-blue-dark);
            box-shadow: var(--shadow-sm);
            color: #fff;
        }
        .search-icon-btn {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            border: 1px solid var(--border-light);
            background: #fff;
            color: var(--text-body);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all var(--transition-fast);
            font-size: 14px;
        }
        .search-icon-btn:hover {
            border-color: var(--primary-blue);
            color: var(--primary-blue);
            background: var(--bg-light-blue);
        }
        .hamburger {
            display: none;
            width: 40px;
            height: 40px;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            background: #fff;
            color: var(--text-heading);
            font-size: 18px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: all var(--transition-fast);
        }
        .hamburger:hover {
            border-color: var(--primary-blue);
            color: var(--primary-blue);
        }

        /* ============ 按钮 ============ */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--primary-blue);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: background var(--transition-fast), box-shadow var(--transition-fast);
            white-space: nowrap;
        }
        .btn-primary:hover {
            background: var(--primary-blue-dark);
            box-shadow: var(--shadow-md);
            color: #fff;
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--primary-blue);
            border: 1px solid var(--primary-blue);
            border-radius: var(--radius-sm);
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: background var(--transition-fast), color var(--transition-fast);
            white-space: nowrap;
        }
        .btn-secondary:hover {
            background: var(--bg-light-blue);
            color: var(--primary-blue-dark);
        }

        /* ============ Hero ============ */
        .hero-category {
            background: linear-gradient(135deg, #FFFFFF 0%, var(--bg-light-blue) 55%, #D6E6F7 100%);
            padding-top: 120px;
            padding-bottom: var(--spacing-xl);
            min-height: 520px;
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
        }
        .hero-category::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -80px;
            width: 380px;
            height: 380px;
            border-radius: 50%;
            background: rgba(31, 95, 168, 0.06);
            pointer-events: none;
        }
        .hero-category::after {
            content: '';
            position: absolute;
            bottom: -120px;
            left: 20%;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(31, 95, 168, 0.04);
            pointer-events: none;
        }
        .hero-category .container-custom {
            position: relative;
            z-index: 2;
        }
        .hero-flex {
            display: flex;
            align-items: center;
            gap: var(--spacing-lg);
            flex-wrap: wrap;
        }
        .hero-text-area {
            flex: 1 1 520px;
            min-width: 0;
        }
        .hero-image-area {
            flex: 0 0 320px;
            max-width: 320px;
        }
        .hero-badge {
            display: inline-block;
            background: var(--primary-blue);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 20px;
            margin-bottom: var(--spacing-sm);
        }
        .hero-category h1 {
            font-size: 36px;
            margin-bottom: 14px;
            letter-spacing: 1px;
        }
        .hero-desc {
            font-size: 16px;
            color: var(--text-body);
            line-height: 1.9;
            max-width: 620px;
            margin-bottom: var(--spacing-md);
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            align-items: center;
        }
        .hero-image-area img {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            width: 100%;
            height: auto;
        }

        /* ============ 指标卡 ============ */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
            margin-top: -10px;
        }
        .stat-card {
            background: var(--card-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            padding: 22px 20px;
            text-align: center;
            transition: box-shadow var(--transition-base), transform var(--transition-base);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .stat-number {
            font-family: var(--font-heading);
            font-size: 32px;
            font-weight: 700;
            color: var(--primary-blue);
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .stat-label {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-heading);
            margin-bottom: 4px;
        }
        .stat-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ============ 内容列表 ============ */
        .content-list {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }
        .content-item {
            background: var(--card-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            padding: 20px 24px;
            display: flex;
            gap: 20px;
            align-items: flex-start;
            transition: box-shadow var(--transition-base), transform var(--transition-base);
        }
        .content-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }
        .content-date {
            flex-shrink: 0;
            width: 86px;
            text-align: center;
            background: var(--bg-light-blue);
            border-radius: var(--radius-sm);
            padding: 10px 6px;
            font-size: 13px;
            color: var(--primary-blue);
            font-weight: 600;
            line-height: 1.4;
        }
        .content-main {
            flex: 1;
            min-width: 0;
        }
        .content-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-heading);
            margin-bottom: 6px;
            line-height: 1.5;
        }
        .content-summary {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.8;
            margin-bottom: 8px;
        }
        .btn-read-more {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary-blue);
            background: none;
            border: none;
            cursor: pointer;
            padding: 0;
            transition: color var(--transition-fast);
        }
        .btn-read-more:hover {
            color: var(--primary-blue-dark);
        }

        /* ============ 深度内容 ============ */
        .deep-content-card {
            background: var(--card-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 32px 28px;
            margin-bottom: var(--spacing-md);
            transition: box-shadow var(--transition-base);
        }
        .deep-content-card:hover {
            box-shadow: var(--shadow-md);
        }
        .deep-content-card h2 {
            font-size: 24px;
            margin-bottom: 14px;
        }
        .deep-content-card p {
            font-size: 15px;
            line-height: 1.9;
            color: var(--text-body);
            margin-bottom: 14px;
        }
        .deep-content-card .coverpic {
            border-radius: var(--radius-md);
            margin: 16px 0;
            width: 100%;
            height: auto;
            object-fit: cover;
        }

        /* ============ 对比表格 ============ */
        .compare-table-wrap {
            overflow-x: auto;
            background: var(--card-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            padding: 24px;
        }
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 640px;
        }
        .compare-table th,
        .compare-table td {
            padding: 12px 16px;
            text-align: left;
            border-bottom: 1px solid var(--border-light);
            font-size: 14px;
        }
        .compare-table th {
            background: var(--bg-light-blue);
            color: var(--text-heading);
            font-weight: 600;
            font-size: 14px;
        }
        .compare-table tr:nth-child(even) td {
            background: #FAFBFD;
        }
        .compare-table tr:last-child td {
            border-bottom: none;
        }

        /* ============ FAQ ============ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .faq-item {
            background: var(--card-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: box-shadow var(--transition-base);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }
        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 18px 22px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-heading);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            text-align: left;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--primary-blue);
        }
        .faq-question i {
            font-size: 14px;
            color: var(--text-muted);
            transition: transform var(--transition-base);
        }
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
            color: var(--primary-blue);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-base);
            padding: 0 22px;
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.85;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding-bottom: 20px;
        }

        /* ============ CTA 表单 ============ */
        .cta-section {
            background: var(--bg-light-blue);
            border-radius: var(--radius-lg);
            padding: 40px 32px;
            margin-top: var(--spacing-md);
        }
        .cta-form {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            align-items: flex-end;
        }
        .form-group {
            flex: 1 1 200px;
            min-width: 180px;
        }
        .form-group label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-heading);
            margin-bottom: 6px;
        }
        .form-group input,
        .form-group select {
            width: 100%;
            padding: 10px 14px;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            background: #fff;
            font-size: 15px;
            color: var(--text-heading);
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        .form-group input:focus,
        .form-group select:focus {
            border-color: var(--primary-blue);
            box-shadow: 0 0 0 3px rgba(31, 95, 168, 0.1);
            outline: none;
        }
        .cta-note {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 12px;
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: #0F1E2E;
            color: #BCC8D6;
            padding: 48px 0 24px;
            margin-top: var(--spacing-xl);
        }
        .footer-top {
            display: flex;
            gap: var(--spacing-xl);
            flex-wrap: wrap;
            margin-bottom: var(--spacing-lg);
        }
        .footer-brand {
            flex: 1 1 320px;
            min-width: 280px;
        }
        .footer-brand p {
            font-size: 14px;
            color: #94A3B8;
            line-height: 1.8;
            margin-top: 10px;
        }
        .footer-links {
            flex: 1 1 160px;
            min-width: 140px;
        }
        .footer-links h4 {
            color: #fff;
            font-size: 16px;
            margin-bottom: 14px;
            font-weight: 600;
        }
        .footer-links a {
            display: block;
            color: #94A3B8;
            font-size: 14px;
            padding: 4px 0;
            transition: color var(--transition-fast);
        }
        .footer-links a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.12);
            padding-top: 20px;
            font-size: 13px;
            color: #7B8794;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-bottom a {
            color: #BCC8D6;
            font-size: 13px;
        }
        .footer-bottom a:hover {
            color: #fff;
        }
        .footer-divider {
            margin: 0 8px;
            opacity: 0.5;
        }

        /* ============ 响应式 ============ */
        @media (max-width: 1024px) {
            .hero-category h1 { font-size: 30px; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .hero-image-area { flex: 0 0 260px; max-width: 260px; }
        }
        @media (max-width: 768px) {
            .hamburger { display: flex; }
            .nav-links {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: flex-start;
                gap: 0;
                padding: 12px 20px;
                box-shadow: var(--shadow-md);
                border-bottom: 1px solid var(--border-light);
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                padding: 10px 0;
                border-bottom: 1px solid var(--border-light);
            }
            .nav-links a:last-child {
                border-bottom: none;
            }
            .nav-cta .btn-primary-sm {
                display: none;
            }
            .hero-category {
                padding-top: 100px;
                min-height: auto;
                padding-bottom: var(--spacing-lg);
            }
            .hero-flex { flex-direction: column; align-items: flex-start; }
            .hero-image-area { flex: 1 1 auto; max-width: 100%; width: 100%; }
            .hero-category h1 { font-size: 26px; }
            .section-title { font-size: 22px; }
            .stats-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
            .content-item { flex-direction: column; gap: 10px; }
            .content-date { width: 100%; text-align: left; padding: 6px 12px; }
            .deep-content-card { padding: 22px 18px; }
            .cta-section { padding: 28px 20px; }
            .footer-top { flex-direction: column; gap: var(--spacing-md); }
        }
        @media (max-width: 520px) {
            .stats-grid { grid-template-columns: 1fr; }
            .hero-category h1 { font-size: 22px; }
            .section-title { font-size: 20px; }
            .stat-number { font-size: 26px; }
            .cta-form { flex-direction: column; align-items: stretch; }
            .form-group { flex: 1 1 auto; min-width: 0; }
            .hero-actions { flex-direction: column; align-items: flex-start; }
            .deep-content-card h2 { font-size: 20px; }
            .compare-table-wrap { padding: 14px; }
        }

/* roulang page: category2 */
:root {
            --primary-blue: #1F5FA8;
            --primary-blue-dark: #174A85;
            --primary-blue-light: #2E6FBA;
            --bg-light-blue: #E8F1FB;
            --bg-page: #F8FAFC;
            --text-heading: #102A43;
            --text-body: #52606D;
            --text-muted: #7B8794;
            --card-white: #FFFFFF;
            --border-light: #E1E8F0;
            --shadow-sm: 0 2px 8px rgba(16, 42, 58, 0.08);
            --shadow-md: 0 8px 20px rgba(16, 42, 58, 0.12);
            --shadow-lg: 0 12px 32px rgba(16, 42, 58, 0.16);
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 10px;
            --radius-xl: 14px;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 60px;
            --spacing-xxl: 80px;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', Arial, sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', Arial, sans-serif;
            --transition-fast: 0.15s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.35s ease;
        }

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

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-body);
            background-color: var(--bg-page);
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

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

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

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

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

        a:focus-visible {
            outline: 2px solid var(--primary-blue);
            outline-offset: 2px;
            border-radius: 2px;
        }

        button,
        input,
        select,
        textarea {
            font-family: var(--font-body);
            font-size: 15px;
        }

        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--primary-blue);
            outline-offset: 2px;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            color: var(--text-heading);
            line-height: 1.4;
            margin: 0 0 16px 0;
            font-weight: 700;
        }

        p {
            margin: 0 0 16px 0;
        }

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

        .section-padding {
            padding-top: var(--spacing-xl);
            padding-bottom: var(--spacing-xl);
        }

        .section-padding-lg {
            padding-top: var(--spacing-xxl);
            padding-bottom: var(--spacing-xxl);
        }

        .section-title {
            font-family: var(--font-heading);
            font-size: 28px;
            font-weight: 700;
            color: var(--text-heading);
            line-height: 1.4;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.5px;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: var(--spacing-lg);
            max-width: 720px;
        }

        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary-blue);
            background: var(--bg-light-blue);
            border-radius: 20px;
            padding: 4px 14px;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.5px;
        }

        .text-heading {
            color: var(--text-heading);
        }

        .text-body-color {
            color: var(--text-body);
        }

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

        .text-primary {
            color: var(--primary-blue);
        }

        .text-white {
            color: #fff;
        }

        .font-heading {
            font-family: var(--font-heading);
        }

        /* ============ 导航 ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.72);
            backdrop-filter: blur(14px) saturate(160%);
            -webkit-backdrop-filter: blur(14px) saturate(160%);
            border-bottom: 1px solid rgba(255, 255, 255, 0.5);
            box-shadow: 0 1px 12px rgba(16, 42, 58, 0.06);
            transition: background var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
        }

        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.96);
            box-shadow: 0 2px 16px rgba(16, 42, 58, 0.1);
            border-bottom: 1px solid var(--border-light);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

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

        .logo-area a {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-heading);
        }

        .logo-area a:hover {
            color: var(--primary-blue);
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--primary-blue);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 14px;
            flex-shrink: 0;
        }

        .logo-text {
            font-family: var(--font-heading);
            font-size: 18px;
            font-weight: 700;
            letter-spacing: 0.3px;
        }

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

        .nav-links a {
            font-size: 15px;
            color: var(--text-heading);
            font-weight: 500;
            padding: 6px 12px;
            border-radius: var(--radius-sm);
            transition: color var(--transition-fast), background var(--transition-fast);
            white-space: nowrap;
        }

        .nav-links a:hover {
            color: var(--primary-blue);
            background: rgba(31, 95, 168, 0.08);
        }

        .nav-links a.active {
            color: var(--primary-blue);
            background: var(--bg-light-blue);
            font-weight: 600;
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 14px;
            padding: 10px 22px;
            border: none;
            cursor: pointer;
            transition: background var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
            line-height: 1.4;
            text-align: center;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--primary-blue);
            color: #fff;
        }

        .btn-primary:hover {
            background: var(--primary-blue-dark);
            color: #fff;
            box-shadow: var(--shadow-sm);
        }

        .btn-outline {
            background: transparent;
            color: var(--primary-blue);
            border: 1.5px solid var(--primary-blue);
        }

        .btn-outline:hover {
            background: var(--bg-light-blue);
            color: var(--primary-blue-dark);
            border-color: var(--primary-blue-dark);
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 13px;
        }

        .btn-lg {
            padding: 14px 32px;
            font-size: 16px;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-heading);
            font-size: 24px;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: var(--radius-sm);
            transition: color var(--transition-fast);
        }

        .nav-toggle:hover {
            color: var(--primary-blue);
        }

        /* ============ 面包屑 ============ */
        .breadcrumb-bar {
            padding-top: 76px;
            padding-bottom: 8px;
            background: var(--bg-page);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

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

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

        .breadcrumb .sep {
            color: var(--border-light);
        }

        .breadcrumb .current {
            color: var(--primary-blue);
            font-weight: 600;
        }

        /* ============ 分类 Hero ============ */
        .category-hero {
            background: linear-gradient(165deg, var(--bg-light-blue) 0%, #F2F7FD 55%, #FFFFFF 100%);
            padding-top: var(--spacing-lg);
            padding-bottom: var(--spacing-lg);
            position: relative;
            overflow: hidden;
            min-height: 420px;
            display: flex;
            align-items: center;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 320px;
            height: 320px;
            background: rgba(31, 95, 168, 0.06);
            border-radius: 50%;
            pointer-events: none;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -30px;
            width: 260px;
            height: 260px;
            background: rgba(31, 95, 168, 0.04);
            border-radius: 50%;
            pointer-events: none;
        }

        .category-hero .container-custom {
            position: relative;
            z-index: 1;
        }

        .category-hero h1 {
            font-size: 36px;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 12px;
            letter-spacing: 0.8px;
            line-height: 1.35;
        }

        .category-hero .hero-desc {
            font-size: 16px;
            color: var(--text-body);
            max-width: 760px;
            line-height: 1.9;
            margin-bottom: 20px;
        }

        .category-hero .hero-badge-group {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 24px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: 20px;
            padding: 5px 14px;
            font-size: 13px;
            color: var(--text-heading);
            font-weight: 500;
            box-shadow: var(--shadow-sm);
        }

        .hero-badge i {
            color: var(--primary-blue);
            font-size: 13px;
        }

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

        .hero-image-wrap {
            position: absolute;
            right: 0;
            top: 0;
            bottom: 0;
            width: 38%;
            max-width: 440px;
            background-size: cover;
            background-position: center;
            opacity: 0.75;
            pointer-events: none;
            mask-image: linear-gradient(to left, rgba(0, 0, 0, 0.9) 30%, rgba(0, 0, 0, 0) 100%);
            -webkit-mask-image: linear-gradient(to left, rgba(0, 0, 0, 0.9) 30%, rgba(0, 0, 0, 0) 100%);
        }

        /* ============ 数据小看板 ============ */
        .mini-dashboard {
            background: var(--card-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: var(--spacing-lg);
            border: 1px solid var(--border-light);
        }

        .mini-dashboard .dash-title {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: var(--spacing-md);
            flex-wrap: wrap;
            gap: 10px;
        }

        .mini-dashboard .dash-title h2 {
            font-size: 20px;
            margin: 0;
            color: var(--text-heading);
        }

        .dash-badge {
            font-size: 13px;
            color: var(--text-muted);
            background: var(--bg-page);
            border-radius: 20px;
            padding: 4px 14px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .dash-badge i {
            color: var(--primary-blue);
        }

        .dash-metrics {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .dash-metric-item {
            background: var(--bg-page);
            border-radius: var(--radius-md);
            padding: 20px 18px;
            text-align: center;
            border: 1px solid var(--border-light);
            transition: box-shadow var(--transition-fast), transform var(--transition-fast);
        }

        .dash-metric-item:hover {
            box-shadow: var(--shadow-sm);
            transform: translateY(-2px);
        }

        .dash-metric-item .metric-number {
            font-size: 30px;
            font-weight: 700;
            color: var(--primary-blue);
            font-family: var(--font-heading);
            line-height: 1.3;
            margin-bottom: 4px;
        }

        .dash-metric-item .metric-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-heading);
            margin-bottom: 4px;
        }

        .dash-metric-item .metric-desc {
            font-size: 12px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* ============ 走势图分析卡 ============ */
        .trend-chart-card {
            background: var(--card-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            padding: var(--spacing-lg);
            transition: box-shadow var(--transition-base);
        }

        .trend-chart-card:hover {
            box-shadow: var(--shadow-md);
        }

        .trend-table-wrap {
            overflow-x: auto;
            margin-top: var(--spacing-sm);
        }

        .trend-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 14px;
            min-width: 600px;
        }

        .trend-table th {
            background: var(--bg-light-blue);
            color: var(--text-heading);
            font-weight: 700;
            text-align: center;
            padding: 10px 8px;
            border: 1px solid var(--border-light);
            font-size: 13px;
            white-space: nowrap;
        }

        .trend-table td {
            text-align: center;
            padding: 9px 8px;
            border: 1px solid var(--border-light);
            color: var(--text-body);
            font-size: 13px;
            white-space: nowrap;
        }

        .trend-table tr:nth-child(even) td {
            background: var(--bg-page);
        }

        .trend-table .highlight-num {
            color: var(--primary-blue);
            font-weight: 700;
            font-family: var(--font-heading);
        }

        .trend-table .cold-num {
            color: var(--text-muted);
        }

        .trend-table .hot-num {
            color: var(--primary-blue);
            font-weight: 600;
        }

        .chart-legend {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: var(--spacing-md);
            font-size: 13px;
            color: var(--text-muted);
        }

        .chart-legend span {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .legend-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            display: inline-block;
        }

        .legend-dot.hot {
            background: var(--primary-blue);
        }

        .legend-dot.cold {
            background: var(--text-muted);
        }

        .legend-dot.medium {
            background: var(--primary-blue-light);
        }

        /* ============ 内容列表 ============ */
        .content-list-section {
            background: var(--bg-page);
        }

        .content-list-item {
            display: flex;
            gap: 20px;
            background: var(--card-white);
            border-radius: var(--radius-lg);
            padding: 20px 24px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-base), transform var(--transition-base);
            margin-bottom: 16px;
        }

        .content-list-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .content-list-item .item-date {
            flex-shrink: 0;
            min-width: 100px;
            font-size: 13px;
            color: var(--text-muted);
            padding-top: 4px;
            font-weight: 500;
        }

        .content-list-item .item-body {
            flex: 1;
        }

        .content-list-item .item-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 6px;
            line-height: 1.5;
        }

        .content-list-item .item-title:hover {
            color: var(--primary-blue);
        }

        .content-list-item .item-summary {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.8;
            margin-bottom: 12px;
        }

        .content-list-item .item-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary-blue);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap var(--transition-fast), color var(--transition-fast);
        }

        .content-list-item .item-link:hover {
            color: var(--primary-blue-dark);
            gap: 10px;
        }

        .item-thumb {
            flex-shrink: 0;
            width: 140px;
            height: 100px;
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--bg-light-blue);
        }

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

        /* ============ 彩种趋势工具 ============ */
        .lottery-tools-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

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

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

        .tool-card .tool-icon {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--bg-light-blue);
            color: var(--primary-blue);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin: 0 auto 14px;
        }

        .tool-card h3 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text-heading);
        }

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

        /* ============ FAQ ============ */
        .faq-section {
            background: var(--card-white);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }

        .faq-list {
            max-width: 840px;
            margin: 0 auto;
        }

        .faq-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            background: var(--bg-page);
            overflow: hidden;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            cursor: pointer;
            background: none;
            border: none;
            width: 100%;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-heading);
            font-family: var(--font-heading);
            text-align: left;
            gap: 12px;
            transition: color var(--transition-fast);
        }

        .faq-question:hover {
            color: var(--primary-blue);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg-light-blue);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--primary-blue);
            transition: transform var(--transition-base), background var(--transition-fast);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 20px;
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.85;
        }

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

        /* ============ CTA 表单 ============ */
        .cta-section {
            background: linear-gradient(180deg, var(--bg-page) 0%, var(--bg-light-blue) 100%);
        }

        .cta-card {
            background: var(--card-white);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-lg);
            padding: var(--spacing-lg);
            border: 1px solid var(--border-light);
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: var(--spacing-lg);
            align-items: center;
        }

        .cta-info h2 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-heading);
        }

        .cta-info p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 16px;
        }

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

        .cta-trust-list li {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-body);
            margin-bottom: 8px;
        }

        .cta-trust-list li i {
            color: var(--primary-blue);
            font-size: 13px;
        }

        .cta-form {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .form-group label {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-heading);
        }

        .form-group input,
        .form-group select {
            padding: 11px 14px;
            border: 1.5px solid var(--border-light);
            border-radius: var(--radius-sm);
            font-size: 14px;
            color: var(--text-heading);
            background: var(--bg-page);
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            width: 100%;
        }

        .form-group input:focus,
        .form-group select:focus {
            border-color: var(--primary-blue);
            box-shadow: 0 0 0 3px rgba(31, 95, 168, 0.1);
            outline: none;
            background: #fff;
        }

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

        .form-row-2 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px;
        }

        .form-note {
            font-size: 12px;
            color: var(--text-muted);
            line-height: 1.7;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .form-note i {
            color: var(--primary-blue);
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: var(--text-heading);
            color: rgba(255, 255, 255, 0.75);
            padding-top: var(--spacing-xl);
            padding-bottom: var(--spacing-md);
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr;
            gap: var(--spacing-lg);
            padding-bottom: var(--spacing-lg);
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
            margin-bottom: var(--spacing-md);
        }

        .footer-brand .logo-text {
            color: #fff;
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 18px;
            display: block;
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.65);
            margin: 0;
            max-width: 400px;
        }

        .footer-links h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            font-family: var(--font-heading);
        }

        .footer-links a {
            display: block;
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            margin-bottom: 8px;
            transition: color var(--transition-fast), padding-left var(--transition-fast);
        }

        .footer-links a:hover {
            color: #fff;
            padding-left: 4px;
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.75);
            font-size: 13px;
        }

        .footer-bottom a:hover {
            color: #fff;
        }

        .footer-divider {
            margin: 0 8px;
            color: rgba(255, 255, 255, 0.3);
        }

        /* ============ 响应式 ============ */
        @media (max-width: 1024px) {
            .dash-metrics {
                grid-template-columns: repeat(2, 1fr);
            }
            .lottery-tools-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-image-wrap {
                width: 32%;
                opacity: 0.5;
            }
            .cta-card {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .footer-top {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                padding: 12px 16px;
                border-bottom: 1px solid var(--border-light);
                box-shadow: var(--shadow-md);
                gap: 2px;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                padding: 10px 14px;
                font-size: 15px;
                border-radius: var(--radius-sm);
            }
            .nav-toggle {
                display: block;
            }
            .nav-cta .btn {
                display: none;
            }
            .nav-cta .btn.btn-sm {
                display: inline-flex;
                padding: 7px 14px;
                font-size: 12px;
            }
            .category-hero {
                min-height: 360px;
                padding-top: var(--spacing-md);
                padding-bottom: var(--spacing-md);
            }
            .category-hero h1 {
                font-size: 28px;
            }
            .category-hero .hero-desc {
                font-size: 14px;
            }
            .hero-image-wrap {
                width: 100%;
                height: 180px;
                position: relative;
                opacity: 0.6;
                margin-top: 20px;
                border-radius: var(--radius-md);
                mask-image: none;
                -webkit-mask-image: none;
            }
            .dash-metrics {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .dash-metric-item .metric-number {
                font-size: 24px;
            }
            .content-list-item {
                flex-direction: column;
                gap: 12px;
                padding: 16px 18px;
            }
            .content-list-item .item-date {
                min-width: auto;
            }
            .item-thumb {
                width: 100%;
                height: 160px;
            }
            .lottery-tools-grid {
                grid-template-columns: 1fr;
            }
            .form-row-2 {
                grid-template-columns: 1fr;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 6px;
            }
            .section-title {
                font-size: 24px;
            }
        }
        @media (max-width: 520px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
            .category-hero h1 {
                font-size: 24px;
            }
            .category-hero {
                min-height: 320px;
            }
            .dash-metrics {
                grid-template-columns: 1fr;
            }
            .btn-lg {
                padding: 12px 24px;
                font-size: 15px;
            }
            .cta-card {
                padding: 20px;
            }
            .mini-dashboard {
                padding: 18px;
            }
            .trend-chart-card {
                padding: 18px;
            }
        }

/* roulang page: category4 */
:root {
        --primary-blue: #1F5FA8;
        --primary-blue-dark: #174A85;
        --primary-blue-light: #2E6FBA;
        --bg-light-blue: #E8F1FB;
        --bg-page: #F8FAFC;
        --text-heading: #102A43;
        --text-body: #52606D;
        --text-muted: #7B8794;
        --card-white: #FFFFFF;
        --border-light: #E1E8F0;
        --shadow-sm: 0 2px 8px rgba(16, 42, 58, 0.08);
        --shadow-md: 0 8px 20px rgba(16, 42, 58, 0.12);
        --shadow-lg: 0 12px 32px rgba(16, 42, 58, 0.16);
        --radius-sm: 6px;
        --radius-md: 8px;
        --radius-lg: 10px;
        --radius-xl: 14px;
        --spacing-xs: 8px;
        --spacing-sm: 16px;
        --spacing-md: 24px;
        --spacing-lg: 40px;
        --spacing-xl: 60px;
        --spacing-xxl: 80px;
        --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', Arial, sans-serif;
        --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', Arial, sans-serif;
        --transition-fast: 0.15s ease;
        --transition-base: 0.25s ease;
        --transition-slow: 0.35s ease;
    }
    html {
        scroll-behavior: smooth;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
    body {
        font-family: var(--font-body);
        font-size: 16px;
        line-height: 1.85;
        color: var(--text-body);
        background-color: var(--bg-page);
        overflow-x: hidden;
    }
    img {
        max-width: 100%;
        height: auto;
        display: block;
    }
    a {
        color: var(--primary-blue);
        text-decoration: none;
        transition: color var(--transition-fast);
    }
    a:hover {
        color: var(--primary-blue-dark);
    }
    a:focus-visible {
        outline: 2px solid var(--primary-blue);
        outline-offset: 2px;
        border-radius: 2px;
    }
    button,
    input,
    select,
    textarea {
        font-family: var(--font-body);
        font-size: 15px;
    }
    button:focus-visible,
    input:focus-visible,
    select:focus-visible,
    textarea:focus-visible {
        outline: 2px solid var(--primary-blue);
        outline-offset: 2px;
    }
    .container-custom {
        max-width: 1200px;
        margin: 0 auto;
        padding-left: 20px;
        padding-right: 20px;
    }
    .section-padding {
        padding-top: var(--spacing-xl);
        padding-bottom: var(--spacing-xl);
    }
    .section-padding-lg {
        padding-top: var(--spacing-xxl);
        padding-bottom: var(--spacing-xxl);
    }
    .section-title {
        font-family: var(--font-heading);
        font-size: 28px;
        font-weight: 700;
        color: var(--text-heading);
        line-height: 1.4;
        margin-bottom: var(--spacing-sm);
        letter-spacing: 0.5px;
    }
    .section-subtitle {
        font-size: 15px;
        color: var(--text-muted);
        line-height: 1.8;
        margin-bottom: var(--spacing-lg);
        max-width: 720px;
    }
    .section-tag {
        display: inline-block;
        font-size: 13px;
        font-weight: 600;
        color: var(--primary-blue);
        background: var(--bg-light-blue);
        border-radius: 20px;
        padding: 4px 14px;
        margin-bottom: var(--spacing-sm);
        letter-spacing: 0.5px;
    }
    .text-heading {
        color: var(--text-heading);
    }
    .text-body-color {
        color: var(--text-body);
    }
    .text-muted {
        color: var(--text-muted);
    }
    .text-primary {
        color: var(--primary-blue);
    }
    .text-white {
        color: #fff;
    }
    .font-heading {
        font-family: var(--font-heading);
    }

    /* ============ 导航 ============ */
    .site-header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 1000;
        background: rgba(255, 255, 255, 0.72);
        backdrop-filter: blur(14px) saturate(160%);
        -webkit-backdrop-filter: blur(14px) saturate(160%);
        border-bottom: 1px solid rgba(255, 255, 255, 0.5);
        box-shadow: 0 1px 12px rgba(16, 42, 58, 0.06);
        transition: background var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
    }
    .site-header.scrolled {
        background: rgba(255, 255, 255, 0.96);
        box-shadow: 0 2px 16px rgba(16, 42, 58, 0.1);
        border-bottom: 1px solid var(--border-light);
    }
    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 64px;
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 20px;
    }
    .logo-area {
        display: flex;
        align-items: center;
        gap: 10px;
        flex-shrink: 0;
    }
    .logo-icon {
        width: 36px;
        height: 36px;
        background: var(--primary-blue);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        color: #fff;
        font-size: 16px;
        font-weight: 700;
        letter-spacing: 0;
        flex-shrink: 0;
    }
    .logo-text {
        font-family: var(--font-heading);
        font-size: 18px;
        font-weight: 700;
        color: var(--text-heading);
        letter-spacing: 0.5px;
        white-space: nowrap;
    }
    .nav-links {
        display: flex;
        align-items: center;
        gap: 20px;
        flex-wrap: wrap;
    }
    .nav-links a {
        font-size: 15px;
        color: var(--text-heading);
        font-weight: 500;
        padding: 6px 4px;
        position: relative;
        transition: color var(--transition-fast);
        white-space: nowrap;
    }
    .nav-links a:hover {
        color: var(--primary-blue);
    }
    .nav-links a.active {
        color: var(--primary-blue);
        font-weight: 600;
    }
    .nav-links a.active::after {
        content: '';
        position: absolute;
        left: 0;
        right: 0;
        bottom: 0;
        height: 2px;
        background: var(--primary-blue);
        border-radius: 1px;
    }
    .nav-cta {
        display: flex;
        align-items: center;
        gap: 12px;
        flex-shrink: 0;
    }
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 6px;
        border-radius: var(--radius-sm);
        font-weight: 600;
        font-size: 15px;
        padding: 10px 20px;
        border: none;
        cursor: pointer;
        transition: background var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
        text-decoration: none;
        line-height: 1.5;
    }
    .btn-primary {
        background: var(--primary-blue);
        color: #fff;
    }
    .btn-primary:hover {
        background: var(--primary-blue-dark);
        color: #fff;
        box-shadow: var(--shadow-md);
        transform: translateY(-1px);
    }
    .btn-outline {
        background: transparent;
        border: 1px solid var(--primary-blue);
        color: var(--primary-blue);
    }
    .btn-outline:hover {
        background: var(--bg-light-blue);
        color: var(--primary-blue-dark);
        transform: translateY(-1px);
    }
    .btn-sm {
        font-size: 14px;
        padding: 8px 16px;
    }
    .btn-lg {
        font-size: 16px;
        padding: 12px 28px;
    }
    .nav-toggle {
        display: none;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 4px;
        background: none;
        border: none;
        cursor: pointer;
        padding: 8px;
        color: var(--text-heading);
        font-size: 22px;
        width: auto;
        height: auto;
    }
    .nav-toggle:hover {
        color: var(--primary-blue);
    }
    .mobile-menu {
        display: none;
        background: #fff;
        border-bottom: 1px solid var(--border-light);
        padding: 12px 20px;
        box-shadow: var(--shadow-md);
    }
    .mobile-menu a {
        display: block;
        padding: 10px 8px;
        font-size: 15px;
        color: var(--text-heading);
        border-bottom: 1px solid var(--border-light);
    }
    .mobile-menu a:last-child {
        border-bottom: none;
    }
    .mobile-menu a:hover {
        color: var(--primary-blue);
    }
    .mobile-menu a.active {
        color: var(--primary-blue);
        font-weight: 600;
    }

    /* ============ Hero ============ */
    .category-hero {
        padding-top: 120px;
        padding-bottom: 40px;
        background: linear-gradient(180deg, var(--bg-light-blue) 0%, var(--bg-page) 100%);
    }
    .category-hero-content {
        display: flex;
        align-items: center;
        gap: 40px;
        flex-wrap: wrap;
    }
    .category-hero-text {
        flex: 1 1 480px;
    }
    .category-hero-image {
        flex: 1 1 400px;
        max-width: 480px;
        border-radius: var(--radius-lg);
        overflow: hidden;
        box-shadow: var(--shadow-lg);
    }
    .category-hero-image img {
        width: 100%;
        height: auto;
        object-fit: cover;
        aspect-ratio: 4/3;
    }
    .category-hero h1 {
        font-family: var(--font-heading);
        font-size: 36px;
        font-weight: 700;
        color: var(--text-heading);
        line-height: 1.35;
        margin-bottom: var(--spacing-sm);
        letter-spacing: 0.5px;
    }
    .category-hero p {
        font-size: 16px;
        color: var(--text-body);
        line-height: 1.85;
        margin-bottom: var(--spacing-md);
    }
    .hero-actions {
        display: flex;
        align-items: center;
        gap: 16px;
        flex-wrap: wrap;
    }

    /* ============ 数据小看板 ============ */
    .data-dashboard {
        background: var(--card-white);
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow-md);
        padding: var(--spacing-lg);
        margin-bottom: var(--spacing-lg);
        border: 1px solid var(--border-light);
    }
    .data-dashboard-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 12px;
        margin-bottom: var(--spacing-md);
    }
    .data-dashboard-title {
        font-family: var(--font-heading);
        font-size: 20px;
        font-weight: 700;
        color: var(--text-heading);
    }
    .data-badge {
        font-size: 13px;
        font-weight: 600;
        color: #fff;
        background: var(--primary-blue);
        border-radius: 20px;
        padding: 4px 12px;
        white-space: nowrap;
    }
    .dashboard-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
        gap: 16px;
    }
    .dashboard-item {
        background: var(--bg-page);
        border-radius: var(--radius-md);
        padding: 16px;
        text-align: center;
        border: 1px solid var(--border-light);
        transition: box-shadow var(--transition-fast);
    }
    .dashboard-item:hover {
        box-shadow: var(--shadow-sm);
    }
    .dashboard-value {
        font-family: var(--font-heading);
        font-size: 30px;
        font-weight: 700;
        color: var(--primary-blue);
        line-height: 1.3;
    }
    .dashboard-label {
        font-size: 13px;
        color: var(--text-muted);
        margin-top: 4px;
    }
    .dashboard-desc {
        font-size: 12px;
        color: var(--text-body);
        margin-top: 2px;
        line-height: 1.5;
    }

    /* ============ 内容列表 ============ */
    .content-list-section {
        padding-top: var(--spacing-md);
        padding-bottom: var(--spacing-lg);
    }
    .content-list {
        display: flex;
        flex-direction: column;
        gap: var(--spacing-md);
    }
    .content-item {
        background: var(--card-white);
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-sm);
        padding: 20px 24px;
        border: 1px solid var(--border-light);
        display: flex;
        gap: 16px;
        align-items: flex-start;
        transition: box-shadow var(--transition-base), transform var(--transition-base);
    }
    .content-item:hover {
        box-shadow: var(--shadow-md);
        transform: translateY(-2px);
    }
    .content-item-icon {
        flex-shrink: 0;
        width: 48px;
        height: 48px;
        border-radius: var(--radius-md);
        background: var(--bg-light-blue);
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--primary-blue);
        font-size: 20px;
    }
    .content-item-body {
        flex: 1;
    }
    .content-item-title {
        font-family: var(--font-heading);
        font-size: 17px;
        font-weight: 600;
        color: var(--text-heading);
        margin-bottom: 6px;
        line-height: 1.5;
    }
    .content-item-meta {
        font-size: 13px;
        color: var(--text-muted);
        margin-bottom: 8px;
        display: flex;
        align-items: center;
        gap: 8px;
        flex-wrap: wrap;
    }
    .content-item-summary {
        font-size: 14px;
        color: var(--text-body);
        line-height: 1.8;
        margin-bottom: 10px;
    }
    .content-item-link {
        font-size: 14px;
        font-weight: 600;
        color: var(--primary-blue);
        display: inline-flex;
        align-items: center;
        gap: 4px;
        transition: color var(--transition-fast), gap var(--transition-fast);
    }
    .content-item-link:hover {
        color: var(--primary-blue-dark);
        gap: 8px;
    }

    /* ============ 深度分析卡 ============ */
    .analysis-card {
        background: var(--card-white);
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow-md);
        padding: var(--spacing-lg);
        border: 1px solid var(--border-light);
        margin-bottom: var(--spacing-lg);
    }
    .analysis-card h2 {
        font-family: var(--font-heading);
        font-size: 22px;
        font-weight: 700;
        color: var(--text-heading);
        margin-bottom: var(--spacing-sm);
    }
    .analysis-card p {
        font-size: 15px;
        color: var(--text-body);
        line-height: 1.9;
        margin-bottom: var(--spacing-sm);
    }
    .analysis-card .highlight-box {
        background: var(--bg-light-blue);
        border-radius: var(--radius-sm);
        padding: 14px 18px;
        margin: var(--spacing-sm) 0;
        font-size: 14px;
        color: var(--text-heading);
        line-height: 1.8;
    }
    .chart-placeholder {
        width: 100%;
        height: 220px;
        background: linear-gradient(135deg, var(--bg-light-blue) 0%, #d6e4f5 100%);
        border-radius: var(--radius-md);
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--text-muted);
        font-size: 14px;
        margin: var(--spacing-sm) 0;
        border: 1px dashed var(--primary-blue-light);
    }

    /* ============ FAQ ============ */
    .faq-section {
        padding-top: var(--spacing-md);
        padding-bottom: var(--spacing-lg);
    }
    .faq-list {
        display: flex;
        flex-direction: column;
        gap: 12px;
    }
    .faq-item {
        background: var(--card-white);
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-sm);
        border: 1px solid var(--border-light);
        overflow: hidden;
        transition: box-shadow var(--transition-base);
    }
    .faq-item:hover {
        box-shadow: var(--shadow-md);
    }
    .faq-question {
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        padding: 16px 20px;
        background: none;
        border: none;
        cursor: pointer;
        font-size: 16px;
        font-weight: 600;
        color: var(--text-heading);
        font-family: var(--font-heading);
        text-align: left;
        line-height: 1.5;
        transition: color var(--transition-fast);
    }
    .faq-question:hover {
        color: var(--primary-blue);
    }
    .faq-question .faq-icon {
        flex-shrink: 0;
        color: var(--text-muted);
        transition: transform var(--transition-base);
        font-size: 14px;
    }
    .faq-item.open .faq-question .faq-icon {
        transform: rotate(180deg);
        color: var(--primary-blue);
    }
    .faq-answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition-slow), padding var(--transition-slow);
        font-size: 15px;
        color: var(--text-body);
        line-height: 1.85;
        padding: 0 20px;
    }
    .faq-item.open .faq-answer {
        max-height: 400px;
        padding: 0 20px 16px;
    }

    /* ============ CTA/表单 ============ */
    .cta-section {
        padding-top: var(--spacing-lg);
        padding-bottom: var(--spacing-xl);
    }
    .cta-card {
        background: var(--card-white);
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow-lg);
        padding: var(--spacing-xl);
        border: 1px solid var(--border-light);
        display: flex;
        gap: 40px;
        flex-wrap: wrap;
        align-items: center;
        background-image: linear-gradient(135deg, #ffffff 0%, var(--bg-light-blue) 100%);
    }
    .cta-text {
        flex: 1 1 380px;
    }
    .cta-text h2 {
        font-family: var(--font-heading);
        font-size: 24px;
        font-weight: 700;
        color: var(--text-heading);
        margin-bottom: var(--spacing-sm);
    }
    .cta-text p {
        font-size: 15px;
        color: var(--text-body);
        line-height: 1.85;
        margin-bottom: var(--spacing-sm);
    }
    .cta-form {
        flex: 1 1 360px;
        background: var(--card-white);
        border-radius: var(--radius-md);
        padding: var(--spacing-md);
        box-shadow: var(--shadow-sm);
    }
    .form-group {
        margin-bottom: var(--spacing-sm);
    }
    .form-group label {
        display: block;
        font-size: 14px;
        font-weight: 500;
        color: var(--text-heading);
        margin-bottom: 4px;
    }
    .form-group input,
    .form-group select {
        width: 100%;
        padding: 10px 14px;
        border: 1px solid var(--border-light);
        border-radius: var(--radius-sm);
        font-size: 15px;
        color: var(--text-heading);
        background: #fff;
        transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        line-height: 1.5;
    }
    .form-group input:focus,
    .form-group select:focus {
        border-color: var(--primary-blue);
        box-shadow: 0 0 0 3px rgba(31, 95, 168, 0.12);
        outline: none;
    }
    .form-trust {
        font-size: 12px;
        color: var(--text-muted);
        margin-top: 8px;
        line-height: 1.6;
    }

    /* ============ 页脚 ============ */
    .site-footer {
        background: var(--text-heading);
        color: rgba(255, 255, 255, 0.75);
        padding-top: var(--spacing-xl);
        padding-bottom: var(--spacing-md);
        margin-top: var(--spacing-lg);
    }
    .footer-top {
        display: flex;
        gap: 40px;
        flex-wrap: wrap;
        margin-bottom: var(--spacing-lg);
    }
    .footer-brand {
        flex: 1 1 320px;
    }
    .footer-brand p {
        font-size: 14px;
        line-height: 1.8;
        margin-top: 12px;
        color: rgba(255, 255, 255, 0.65);
    }
    .footer-links {
        flex: 1 1 160px;
        min-width: 140px;
    }
    .footer-links h4 {
        font-family: var(--font-heading);
        font-size: 15px;
        font-weight: 600;
        color: #fff;
        margin-bottom: 12px;
    }
    .footer-links a {
        display: block;
        color: rgba(255, 255, 255, 0.7);
        font-size: 14px;
        padding: 4px 0;
        transition: color var(--transition-fast);
    }
    .footer-links a:hover {
        color: var(--bg-light-blue);
    }
    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.15);
        padding-top: var(--spacing-md);
        display: flex;
        flex-wrap: wrap;
        gap: 12px;
        justify-content: space-between;
        align-items: center;
        font-size: 13px;
        color: rgba(255, 255, 255, 0.6);
    }
    .footer-bottom a {
        color: rgba(255, 255, 255, 0.75);
    }
    .footer-bottom a:hover {
        color: var(--bg-light-blue);
    }
    .footer-divider {
        margin: 0 8px;
        color: rgba(255, 255, 255, 0.3);
    }

    /* ============ 响应式 ============ */
    @media (max-width: 1024px) {
        .nav-links {
            gap: 12px;
        }
        .nav-links a {
            font-size: 14px;
        }
        .category-hero h1 {
            font-size: 30px;
        }
        .section-title {
            font-size: 24px;
        }
        .dashboard-value {
            font-size: 26px;
        }
    }
    @media (max-width: 768px) {
        .header-inner {
            height: 56px;
        }
        .nav-links {
            display: none;
        }
        .nav-cta .btn span {
            display: none;
        }
        .nav-cta .btn {
            padding: 8px 12px;
        }
        .nav-toggle {
            display: flex;
        }
        .mobile-menu {
            display: block;
        }
        .category-hero {
            padding-top: 100px;
            padding-bottom: 30px;
        }
        .category-hero-content {
            flex-direction: column;
            gap: 24px;
        }
        .category-hero-image {
            max-width: 100%;
        }
        .category-hero h1 {
            font-size: 26px;
        }
        .section-padding,
        .section-padding-lg {
            padding-top: 40px;
            padding-bottom: 40px;
        }
        .section-title {
            font-size: 22px;
        }
        .content-item {
            padding: 16px;
            flex-direction: column;
        }
        .content-item-icon {
            width: 40px;
            height: 40px;
            font-size: 18px;
        }
        .dashboard-grid {
            grid-template-columns: repeat(2, 1fr);
            gap: 10px;
        }
        .dashboard-value {
            font-size: 22px;
        }
        .cta-card {
            padding: var(--spacing-lg) var(--spacing-md);
            flex-direction: column;
        }
        .cta-form {
            width: 100%;
        }
        .footer-top {
            gap: 24px;
        }
        .footer-bottom {
            flex-direction: column;
            gap: 8px;
            text-align: center;
        }
        .analysis-card {
            padding: var(--spacing-md);
        }
        .chart-placeholder {
            height: 160px;
        }
    }
    @media (max-width: 520px) {
        .category-hero h1 {
            font-size: 22px;
        }
        .section-title {
            font-size: 20px;
        }
        .dashboard-grid {
            grid-template-columns: 1fr;
        }
        .content-item-summary {
            font-size: 13px;
        }
        .faq-question {
            font-size: 15px;
            padding: 14px 16px;
        }
        .faq-answer {
            font-size: 14px;
            padding: 0 16px;
        }
        .faq-item.open .faq-answer {
            padding: 0 16px 14px;
        }
        .btn-lg {
            font-size: 15px;
            padding: 10px 20px;
        }
        .logo-text {
            font-size: 16px;
        }
    }

/* roulang page: category5 */
:root {
            --primary-blue: #1F5FA8;
            --primary-blue-dark: #174A85;
            --primary-blue-light: #2E6FBA;
            --bg-light-blue: #E8F1FB;
            --bg-page: #F8FAFC;
            --text-heading: #102A43;
            --text-body: #52606D;
            --text-muted: #7B8794;
            --card-white: #FFFFFF;
            --border-light: #E1E8F0;
            --shadow-sm: 0 2px 8px rgba(16, 42, 58, 0.08);
            --shadow-md: 0 8px 20px rgba(16, 42, 58, 0.12);
            --shadow-lg: 0 12px 32px rgba(16, 42, 58, 0.16);
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 10px;
            --radius-xl: 14px;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 60px;
            --spacing-xxl: 80px;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', Arial, sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', Arial, sans-serif;
            --transition-fast: 0.15s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.35s ease;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-body);
            background-color: var(--bg-page);
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--primary-blue);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--primary-blue-dark);
        }
        a:focus-visible {
            outline: 2px solid var(--primary-blue);
            outline-offset: 2px;
            border-radius: 2px;
        }
        button,
        input,
        select,
        textarea {
            font-family: var(--font-body);
            font-size: 15px;
        }
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--primary-blue);
            outline-offset: 2px;
        }
        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        .section-padding {
            padding-top: var(--spacing-xl);
            padding-bottom: var(--spacing-xl);
        }
        .section-padding-lg {
            padding-top: var(--spacing-xxl);
            padding-bottom: var(--spacing-xxl);
        }
        .section-title {
            font-family: var(--font-heading);
            font-size: 28px;
            font-weight: 700;
            color: var(--text-heading);
            line-height: 1.4;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.5px;
        }
        .section-subtitle {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: var(--spacing-lg);
            max-width: 720px;
        }
        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary-blue);
            background: var(--bg-light-blue);
            border-radius: 20px;
            padding: 4px 14px;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.5px;
        }
        .text-heading {
            color: var(--text-heading);
        }
        .text-body-color {
            color: var(--text-body);
        }
        .text-muted {
            color: var(--text-muted);
        }
        .text-primary {
            color: var(--primary-blue);
        }
        .text-white {
            color: #fff;
        }
        .font-heading {
            font-family: var(--font-heading);
        }

        /* ============ 导航 ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.72);
            backdrop-filter: blur(14px) saturate(160%);
            -webkit-backdrop-filter: blur(14px) saturate(160%);
            border-bottom: 1px solid rgba(255, 255, 255, 0.5);
            box-shadow: 0 1px 12px rgba(16, 42, 58, 0.06);
            transition: background var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
        }
        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.96);
            box-shadow: 0 2px 16px rgba(16, 42, 58, 0.1);
            border-bottom: 1px solid var(--border-light);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--primary-blue);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            letter-spacing: 0;
            flex-shrink: 0;
        }
        .logo-text {
            font-family: var(--font-heading);
            font-size: 18px;
            font-weight: 700;
            color: var(--text-heading);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 6px 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-heading);
            border-radius: var(--radius-sm);
            transition: color var(--transition-fast), background var(--transition-fast);
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: var(--primary-blue);
            background: rgba(31, 95, 168, 0.06);
        }
        .nav-links a.active {
            color: var(--primary-blue);
            background: var(--bg-light-blue);
            font-weight: 600;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .header-search {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            border: 1px solid var(--border-light);
            background: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            cursor: pointer;
            transition: border-color var(--transition-fast), color var(--transition-fast);
        }
        .header-search:hover {
            border-color: var(--primary-blue);
            color: var(--primary-blue);
        }
        .btn-primary-sm {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            background: var(--primary-blue);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            transition: background var(--transition-fast), box-shadow var(--transition-fast);
            white-space: nowrap;
        }
        .btn-primary-sm:hover {
            background: var(--primary-blue-dark);
            color: #fff;
            box-shadow: 0 4px 14px rgba(31, 95, 168, 0.3);
        }
        .menu-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-light);
            background: #fff;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            color: var(--text-heading);
            font-size: 18px;
            transition: border-color var(--transition-fast), color var(--transition-fast);
        }
        .menu-toggle:hover {
            border-color: var(--primary-blue);
            color: var(--primary-blue);
        }

        /* ============ 按钮 ============ */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            background: var(--primary-blue);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            transition: background var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
            white-space: nowrap;
        }
        .btn-primary:hover {
            background: var(--primary-blue-dark);
            color: #fff;
            box-shadow: 0 6px 18px rgba(31, 95, 168, 0.3);
            transform: translateY(-1px);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            background: transparent;
            color: var(--primary-blue);
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            border: 1.5px solid var(--primary-blue);
            cursor: pointer;
            transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
            white-space: nowrap;
        }
        .btn-secondary:hover {
            background: var(--bg-light-blue);
            color: var(--primary-blue-dark);
            border-color: var(--primary-blue-dark);
        }
        .btn-outline-white {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 22px;
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            border: 1.5px solid rgba(255, 255, 255, 0.5);
            cursor: pointer;
            transition: background var(--transition-fast), border-color var(--transition-fast);
        }
        .btn-outline-white:hover {
            background: rgba(255, 255, 255, 0.28);
            color: #fff;
            border-color: #fff;
        }

        /* ============ 卡片 ============ */
        .stat-card {
            background: var(--card-white);
            border-radius: var(--radius-lg);
            padding: 22px 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: box-shadow var(--transition-base), transform var(--transition-base), border-color var(--transition-base);
            height: 100%;
        }
        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: rgba(31, 95, 168, 0.2);
        }
        .stat-number {
            font-family: var(--font-heading);
            font-size: 32px;
            font-weight: 700;
            color: var(--primary-blue);
            line-height: 1.3;
            margin-bottom: 4px;
            letter-spacing: 0.5px;
        }
        .stat-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-heading);
            margin-bottom: 6px;
        }
        .stat-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ============ Hero ============ */
        .hero-section {
            padding-top: 120px;
            padding-bottom: 60px;
            background: linear-gradient(135deg, var(--bg-light-blue) 0%, #f0f6fd 45%, #f8fafc 100%);
            position: relative;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(31, 95, 168, 0.05);
            pointer-events: none;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -60px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(46, 111, 186, 0.04);
            pointer-events: none;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary-blue);
            background: rgba(255, 255, 255, 0.7);
            border: 1px solid rgba(31, 95, 168, 0.2);
            border-radius: 20px;
            padding: 5px 16px;
            margin-bottom: var(--spacing-sm);
        }
        .hero-title {
            font-family: var(--font-heading);
            font-size: 36px;
            font-weight: 700;
            color: var(--text-heading);
            line-height: 1.35;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.5px;
            max-width: 720px;
        }
        .hero-subtitle {
            font-size: 16px;
            color: var(--text-body);
            line-height: 1.8;
            margin-bottom: var(--spacing-md);
            max-width: 620px;
        }
        .hero-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: var(--spacing-md);
        }
        .hero-status-bar {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--text-muted);
            background: rgba(255, 255, 255, 0.65);
            border-radius: var(--radius-md);
            padding: 12px 20px;
            border: 1px solid rgba(31, 95, 168, 0.12);
            max-width: 560px;
        }
        .hero-status-bar i {
            color: var(--primary-blue);
            font-size: 14px;
        }
        .hero-icon-grid {
            display: flex;
            gap: 18px;
            flex-wrap: wrap;
            margin-bottom: var(--spacing-md);
        }
        .hero-icon-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-heading);
            background: rgba(255, 255, 255, 0.7);
            border: 1px solid rgba(31, 95, 168, 0.15);
            border-radius: var(--radius-md);
            padding: 8px 16px;
            transition: border-color var(--transition-fast), background var(--transition-fast);
        }
        .hero-icon-item:hover {
            border-color: var(--primary-blue);
            background: #fff;
        }
        .hero-icon-item i {
            color: var(--primary-blue);
            font-size: 16px;
        }

        /* ============ 数据看板 ============ */
        .dashboard-card {
            background: var(--card-white);
            border-radius: var(--radius-xl);
            padding: 28px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
            margin-bottom: var(--spacing-md);
        }
        .dashboard-card h3 {
            font-family: var(--font-heading);
            font-size: 18px;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .dashboard-card h3 i {
            color: var(--primary-blue);
        }
        .hot-number-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .hot-number {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-heading);
            font-size: 18px;
            font-weight: 700;
            background: var(--bg-light-blue);
            color: var(--primary-blue);
            border: 2px solid rgba(31, 95, 168, 0.25);
            transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
        }
        .hot-number.hot {
            background: var(--primary-blue);
            color: #fff;
            border-color: var(--primary-blue);
        }
        .hot-number.cold {
            background: #f0f4f8;
            color: var(--text-muted);
            border-color: var(--border-light);
        }

        /* ============ 内容列表 ============ */
        .content-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .content-list-item {
            background: var(--card-white);
            border-radius: var(--radius-lg);
            padding: 20px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: box-shadow var(--transition-base), transform var(--transition-base), border-color var(--transition-base);
            display: flex;
            gap: 18px;
            align-items: flex-start;
        }
        .content-list-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
            border-color: rgba(31, 95, 168, 0.2);
        }
        .content-list-date {
            flex-shrink: 0;
            min-width: 90px;
            font-size: 13px;
            font-weight: 600;
            color: var(--text-muted);
            padding-top: 3px;
        }
        .content-list-body {
            flex: 1;
            min-width: 0;
        }
        .content-list-title {
            font-family: var(--font-heading);
            font-size: 16px;
            font-weight: 600;
            color: var(--text-heading);
            margin-bottom: 6px;
            line-height: 1.45;
        }
        .content-list-summary {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.75;
            margin-bottom: 10px;
        }
        .btn-read-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary-blue);
            padding: 0;
            background: none;
            border: none;
            cursor: pointer;
            transition: color var(--transition-fast);
        }
        .btn-read-more:hover {
            color: var(--primary-blue-dark);
        }
        .btn-read-more i {
            font-size: 12px;
            transition: transform var(--transition-fast);
        }
        .btn-read-more:hover i {
            transform: translateX(3px);
        }

        /* ============ 分析卡片 ============ */
        .analysis-panel {
            background: var(--bg-light-blue);
            border-radius: var(--radius-xl);
            padding: 28px;
            border: 1px solid rgba(31, 95, 168, 0.15);
        }
        .analysis-panel h3 {
            font-family: var(--font-heading);
            font-size: 18px;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 14px;
        }
        .dimension-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 14px;
        }
        .dimension-item {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 16px;
            text-align: center;
            border: 1px solid var(--border-light);
        }
        .dimension-item .dim-value {
            font-family: var(--font-heading);
            font-size: 22px;
            font-weight: 700;
            color: var(--primary-blue);
            line-height: 1.3;
        }
        .dimension-item .dim-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* ============ FAQ ============ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--card-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: box-shadow var(--transition-fast), border-color var(--transition-fast);
        }
        .faq-item:hover {
            border-color: rgba(31, 95, 168, 0.2);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-heading);
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--primary-blue);
        }
        .faq-question i {
            font-size: 14px;
            color: var(--text-muted);
            transition: transform var(--transition-base), color var(--transition-fast);
            flex-shrink: 0;
        }
        .faq-question.open {
            color: var(--primary-blue);
        }
        .faq-question.open i {
            transform: rotate(180deg);
            color: var(--primary-blue);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow);
            padding: 0 22px;
        }
        .faq-answer.open {
            max-height: 300px;
        }
        .faq-answer-inner {
            padding-bottom: 20px;
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.8;
        }

        /* ============ 表单 ============ */
        .cta-section {
            background: var(--bg-light-blue);
            border-radius: var(--radius-xl);
            padding: 40px 36px;
            border: 1px solid rgba(31, 95, 168, 0.12);
        }
        .cta-section h2 {
            font-family: var(--font-heading);
            font-size: 24px;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 8px;
        }
        .cta-section p {
            font-size: 15px;
            color: var(--text-body);
            margin-bottom: 24px;
        }
        .form-group {
            margin-bottom: 16px;
        }
        .form-group label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-heading);
            margin-bottom: 6px;
        }
        .form-group input,
        .form-group select {
            width: 100%;
            padding: 12px 16px;
            font-size: 15px;
            border: 1.5px solid var(--border-light);
            border-radius: var(--radius-sm);
            background: #fff;
            color: var(--text-heading);
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        .form-group input:focus,
        .form-group select:focus {
            border-color: var(--primary-blue);
            box-shadow: 0 0 0 3px rgba(31, 95, 168, 0.1);
            outline: none;
        }
        .form-trust {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 14px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .form-trust i {
            color: var(--primary-blue);
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: #0f1e2d;
            color: rgba(255, 255, 255, 0.75);
            padding-top: 48px;
            padding-bottom: 28px;
            margin-top: var(--spacing-xl);
        }
        .footer-top {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            margin-bottom: 32px;
        }
        .footer-brand {
            flex: 1 1 320px;
            max-width: 420px;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 12px;
        }
        .footer-links {
            flex: 1 1 160px;
            min-width: 140px;
        }
        .footer-links h4 {
            font-family: var(--font-heading);
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-links a {
            display: block;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 8px;
            transition: color var(--transition-fast);
        }
        .footer-links a:hover {
            color: #fff;
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            justify-content: space-between;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 13px;
        }
        .footer-bottom a:hover {
            color: #fff;
        }
        .footer-divider {
            margin: 0 8px;
            color: rgba(255, 255, 255, 0.3);
        }

        /* ============ 响应式 ============ */
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 32px;
            }
            .section-title {
                font-size: 24px;
            }
        }
        @media (max-width: 768px) {
            .menu-toggle {
                display: flex;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                flex-direction: column;
                align-items: flex-start;
                padding: 16px 20px;
                gap: 4px;
                border-bottom: 1px solid var(--border-light);
                box-shadow: 0 8px 20px rgba(16, 42, 58, 0.12);
                z-index: 999;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                padding: 10px 14px;
                font-size: 15px;
            }
            .header-actions .btn-primary-sm span {
                display: none;
            }
            .hero-section {
                padding-top: 100px;
                padding-bottom: 40px;
            }
            .hero-title {
                font-size: 26px;
                line-height: 1.4;
            }
            .hero-subtitle {
                font-size: 15px;
            }
            .content-list-item {
                flex-direction: column;
                gap: 8px;
                padding: 16px 18px;
            }
            .content-list-date {
                min-width: auto;
            }
            .section-padding {
                padding-top: 40px;
                padding-bottom: 40px;
            }
            .section-padding-lg {
                padding-top: 48px;
                padding-bottom: 48px;
            }
            .cta-section {
                padding: 28px 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .dashboard-card {
                padding: 20px;
            }
        }
        @media (max-width: 520px) {
            .hero-title {
                font-size: 22px;
            }
            .section-title {
                font-size: 20px;
            }
            .stat-number {
                font-size: 26px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .hero-status-bar {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .hot-number {
                width: 44px;
                height: 44px;
                font-size: 15px;
            }
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

/* roulang page: category1 */
:root {
            --primary-blue: #1F5FA8;
            --primary-blue-dark: #174A85;
            --primary-blue-light: #2E6FBA;
            --bg-light-blue: #E8F1FB;
            --bg-page: #F8FAFC;
            --text-heading: #102A43;
            --text-body: #52606D;
            --text-muted: #7B8794;
            --card-white: #FFFFFF;
            --border-light: #E1E8F0;
            --shadow-sm: 0 2px 8px rgba(16, 42, 58, 0.08);
            --shadow-md: 0 8px 20px rgba(16, 42, 58, 0.12);
            --shadow-lg: 0 12px 32px rgba(16, 42, 58, 0.16);
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 10px;
            --radius-xl: 14px;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 60px;
            --spacing-xxl: 80px;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', Arial, sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', Arial, sans-serif;
            --transition-fast: 0.15s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.35s ease;
        }

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

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-body);
            background-color: var(--bg-page);
            overflow-x: hidden;
        }

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

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

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

        a:focus-visible {
            outline: 2px solid var(--primary-blue);
            outline-offset: 2px;
            border-radius: 2px;
        }

        button,
        input,
        select,
        textarea {
            font-family: var(--font-body);
            font-size: 15px;
        }

        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--primary-blue);
            outline-offset: 2px;
        }

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

        .section-padding {
            padding-top: var(--spacing-xl);
            padding-bottom: var(--spacing-xl);
        }

        .section-padding-lg {
            padding-top: var(--spacing-xxl);
            padding-bottom: var(--spacing-xxl);
        }

        .section-title {
            font-family: var(--font-heading);
            font-size: 28px;
            font-weight: 700;
            color: var(--text-heading);
            line-height: 1.4;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.5px;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: var(--spacing-lg);
            max-width: 720px;
        }

        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary-blue);
            background: var(--bg-light-blue);
            border-radius: 20px;
            padding: 4px 14px;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.5px;
        }

        .text-heading {
            color: var(--text-heading);
        }
        .text-body-color {
            color: var(--text-body);
        }
        .text-muted {
            color: var(--text-muted);
        }
        .text-primary {
            color: var(--primary-blue);
        }
        .text-white {
            color: #fff;
        }
        .font-heading {
            font-family: var(--font-heading);
        }

        /* ============ 导航 ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.72);
            backdrop-filter: blur(14px) saturate(160%);
            -webkit-backdrop-filter: blur(14px) saturate(160%);
            border-bottom: 1px solid rgba(255, 255, 255, 0.5);
            box-shadow: 0 1px 12px rgba(16, 42, 58, 0.06);
            transition: background var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
        }

        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.96);
            box-shadow: 0 2px 16px rgba(16, 42, 58, 0.1);
            border-bottom: 1px solid var(--border-light);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

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

        .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--primary-blue);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 14px;
            font-weight: 700;
            letter-spacing: 0;
            flex-shrink: 0;
        }

        .logo-text {
            font-family: var(--font-heading);
            font-size: 18px;
            font-weight: 700;
            color: var(--text-heading);
            letter-spacing: 0.5px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 22px;
        }

        .nav-links a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-heading);
            padding: 4px 2px;
            position: relative;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }

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

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary-blue);
            transition: width var(--transition-base);
            border-radius: 2px;
        }

        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }

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

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .search-btn {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            border: 1px solid var(--border-light);
            background: #fff;
            color: var(--text-body);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            font-size: 14px;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-sm);
        }

        .search-btn:hover {
            border-color: var(--primary-blue);
            color: var(--primary-blue);
            box-shadow: var(--shadow-md);
        }

        .btn-nav-cta {
            display: inline-block;
            background: var(--primary-blue);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-nav-cta:hover {
            background: var(--primary-blue-dark);
            color: #fff;
            box-shadow: var(--shadow-md);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 4px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 6px;
        }

        .hamburger span {
            width: 22px;
            height: 2px;
            background: var(--text-heading);
            border-radius: 2px;
            transition: all var(--transition-base);
        }

        /* ============ Hero 分类横幅 ============ */
        .category-hero {
            position: relative;
            min-height: 480px;
            display: flex;
            align-items: center;
            padding-top: 100px;
            padding-bottom: var(--spacing-xl);
            background: linear-gradient(160deg, #E8F1FB 0%, #F8FAFC 55%, #FFFFFF 100%);
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 420px;
            height: 420px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(31,95,168,0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            bottom: -100px;
            left: -60px;
            width: 360px;
            height: 360px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(31,95,168,0.05) 0%, transparent 70%);
            pointer-events: none;
        }

        .category-hero .hero-content {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: var(--spacing-lg);
            flex-wrap: wrap;
        }

        .category-hero .hero-text {
            flex: 1 1 520px;
            min-width: 300px;
        }

        .category-hero .hero-image {
            flex: 0 1 420px;
            min-width: 280px;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            border: 4px solid #fff;
        }

        .category-hero .hero-image img {
            width: 100%;
            height: 260px;
            object-fit: cover;
        }

        .category-hero h1 {
            font-family: var(--font-heading);
            font-size: 36px;
            font-weight: 700;
            color: var(--text-heading);
            line-height: 1.35;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.5px;
        }

        .category-hero .hero-desc {
            font-size: 16px;
            color: var(--text-body);
            line-height: 1.85;
            max-width: 580px;
            margin-bottom: var(--spacing-md);
        }

        .hero-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: var(--spacing-md);
        }

        .hero-badges span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 500;
            color: var(--primary-blue);
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: 20px;
            padding: 5px 14px;
            box-shadow: var(--shadow-sm);
        }

        .hero-badges i {
            font-size: 12px;
        }

        .btn-primary {
            display: inline-block;
            background: var(--primary-blue);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            transition: all var(--transition-fast);
            letter-spacing: 0.5px;
        }

        .btn-primary:hover {
            background: var(--primary-blue-dark);
            color: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }

        .btn-secondary {
            display: inline-block;
            background: #fff;
            color: var(--primary-blue);
            font-size: 15px;
            font-weight: 600;
            padding: 11px 26px;
            border-radius: var(--radius-sm);
            border: 1.5px solid var(--primary-blue);
            cursor: pointer;
            transition: all var(--transition-fast);
            letter-spacing: 0.5px;
        }

        .btn-secondary:hover {
            background: var(--bg-light-blue);
            color: var(--primary-blue-dark);
            border-color: var(--primary-blue-dark);
            box-shadow: var(--shadow-sm);
            transform: translateY(-1px);
        }

        /* ============ 指标看板 ============ */
        .stats-board {
            margin-top: -40px;
            position: relative;
            z-index: 5;
            padding-bottom: 0;
        }

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

        .stat-card {
            background: var(--card-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 22px 20px;
            text-align: center;
            transition: all var(--transition-base);
            border: 1px solid var(--border-light);
        }

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

        .stat-card .stat-number {
            font-family: var(--font-heading);
            font-size: 32px;
            font-weight: 700;
            color: var(--text-heading);
            line-height: 1.2;
            margin-bottom: 6px;
            letter-spacing: -0.5px;
        }

        .stat-card .stat-number .unit {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-muted);
            margin-left: 2px;
        }

        .stat-card .stat-label {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-heading);
            margin-bottom: 4px;
        }

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

        /* ============ 开奖公告列表 ============ */
        .award-section {
            background: var(--bg-page);
        }

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

        .award-item-card {
            background: var(--card-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            padding: 22px;
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .award-item-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .award-item-top {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            margin-bottom: 14px;
            flex-wrap: wrap;
            gap: 8px;
        }

        .award-item-date {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .award-item-date i {
            font-size: 12px;
        }

        .award-type-badge {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary-blue);
            background: var(--bg-light-blue);
            border-radius: 16px;
            padding: 3px 12px;
            letter-spacing: 0.3px;
        }

        .award-item-title {
            font-family: var(--font-heading);
            font-size: 18px;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .award-numbers {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
            flex-wrap: wrap;
        }

        .number-ball {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: #fff;
            border: 2px solid var(--border-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            font-weight: 700;
            color: var(--text-heading);
            font-family: var(--font-heading);
        }

        .number-ball.blue-ball {
            background: var(--primary-blue);
            border-color: var(--primary-blue);
            color: #fff;
        }

        .number-ball.red-ball {
            background: #E85D4A;
            border-color: #E85D4A;
            color: #fff;
        }

        .award-item-summary {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.75;
            margin-bottom: 14px;
            flex-grow: 1;
        }

        .btn-read-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary-blue);
            background: none;
            border: none;
            padding: 0;
            cursor: pointer;
            transition: color var(--transition-fast);
            align-self: flex-start;
        }

        .btn-read-more:hover {
            color: var(--primary-blue-dark);
        }

        .btn-read-more i {
            font-size: 12px;
            transition: transform var(--transition-fast);
        }

        .btn-read-more:hover i {
            transform: translateX(3px);
        }

        /* ============ 数据可视化区 ============ */
        .data-visual-section {
            background: linear-gradient(180deg, #fff 0%, var(--bg-light-blue) 100%);
        }

        .data-visual-card {
            background: var(--card-white);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
            overflow: hidden;
            display: flex;
            flex-wrap: wrap;
        }

        .data-visual-image {
            flex: 1 1 380px;
            min-height: 280px;
            overflow: hidden;
        }

        .data-visual-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

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

        .data-visual-content {
            flex: 1 1 380px;
            padding: var(--spacing-lg);
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .data-visual-content h3 {
            font-family: var(--font-heading);
            font-size: 22px;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: var(--spacing-sm);
            line-height: 1.4;
        }

        .data-visual-content p {
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.85;
            margin-bottom: var(--spacing-sm);
        }

        .data-visual-content ul {
            list-style: none;
            padding: 0;
            margin: 0 0 var(--spacing-md);
        }

        .data-visual-content ul li {
            font-size: 14px;
            color: var(--text-body);
            padding: 6px 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .data-visual-content ul li i {
            color: var(--primary-blue);
            font-size: 13px;
            width: 16px;
        }

        /* ============ 开奖时间表 ============ */
        .schedule-section {
            background: var(--bg-page);
        }

        .schedule-table {
            background: var(--card-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            overflow: hidden;
            margin-top: var(--spacing-md);
        }

        .schedule-table table {
            width: 100%;
            border-collapse: collapse;
            margin: 0;
        }

        .schedule-table th {
            background: var(--bg-light-blue);
            font-family: var(--font-heading);
            font-size: 14px;
            font-weight: 600;
            color: var(--text-heading);
            padding: 14px 18px;
            text-align: left;
            border-bottom: 2px solid var(--border-light);
        }

        .schedule-table td {
            font-size: 14px;
            color: var(--text-body);
            padding: 13px 18px;
            border-bottom: 1px solid var(--border-light);
            text-align: left;
        }

        .schedule-table tbody tr:nth-child(even) {
            background: #FAFCFE;
        }

        .schedule-table tbody tr:hover {
            background: var(--bg-light-blue);
        }

        .schedule-table tbody tr:last-child td {
            border-bottom: none;
        }

        .schedule-table .highlight-cell {
            color: var(--primary-blue);
            font-weight: 600;
        }

        /* ============ 深度内容区 ============ */
        .deep-content-section {
            background: #fff;
        }

        .deep-content-block {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            padding: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }

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

        .deep-content-block h3 {
            font-family: var(--font-heading);
            font-size: 20px;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: var(--spacing-sm);
            line-height: 1.4;
        }

        .deep-content-block p {
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.9;
            margin-bottom: 12px;
        }

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

        /* ============ 表单区 ============ */
        .subscribe-form-section {
            background: linear-gradient(180deg, var(--bg-light-blue) 0%, #fff 100%);
        }

        .subscription-card {
            background: var(--card-white);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border-light);
            padding: var(--spacing-lg);
            max-width: 640px;
            margin: 0 auto;
        }

        .subscription-card h3 {
            font-family: var(--font-heading);
            font-size: 22px;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 8px;
            text-align: center;
        }

        .subscription-card .form-intro {
            font-size: 14px;
            color: var(--text-muted);
            text-align: center;
            margin-bottom: var(--spacing-md);
            line-height: 1.7;
        }

        .subscription-card form {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .form-group.full-width {
            grid-column: 1 / -1;
        }

        .form-group label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-heading);
        }

        .form-group input,
        .form-group select {
            height: 44px;
            border: 1.5px solid var(--border-light);
            border-radius: var(--radius-sm);
            padding: 0 14px;
            font-size: 15px;
            color: var(--text-heading);
            background: #fff;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            width: 100%;
        }

        .form-group input:focus,
        .form-group select:focus {
            border-color: var(--primary-blue);
            box-shadow: 0 0 0 3px rgba(31, 95, 168, 0.12);
            outline: none;
        }

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

        .form-submit-btn {
            grid-column: 1 / -1;
            background: var(--primary-blue);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            padding: 13px 24px;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            transition: all var(--transition-fast);
            letter-spacing: 0.5px;
            text-align: center;
            height: 48px;
        }

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

        .form-trust-note {
            grid-column: 1 / -1;
            font-size: 12px;
            color: var(--text-muted);
            text-align: center;
            line-height: 1.6;
        }

        .form-trust-note i {
            color: var(--primary-blue);
            margin-right: 4px;
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: #102A43;
            color: rgba(255, 255, 255, 0.75);
            padding-top: var(--spacing-lg);
            padding-bottom: var(--spacing-md);
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: var(--spacing-lg);
            padding-bottom: var(--spacing-lg);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            margin-top: 12px;
            max-width: 360px;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-links h4 {
            font-family: var(--font-heading);
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        .footer-links a {
            display: block;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            padding: 5px 0;
            transition: color var(--transition-fast);
        }

        .footer-links a:hover {
            color: #fff;
        }

        .footer-bottom {
            padding-top: var(--spacing-md);
            display: flex;
            flex-direction: column;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
            text-align: center;
        }

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

        .footer-bottom a:hover {
            color: #fff;
        }

        .footer-divider {
            margin: 0 8px;
            opacity: 0.5;
        }

        /* ============ 响应式 ============ */
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .award-list-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-md);
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                flex-direction: column;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(14px);
                -webkit-backdrop-filter: blur(14px);
                box-shadow: var(--shadow-lg);
                padding: 16px 20px;
                gap: 12px;
                border-bottom: 1px solid var(--border-light);
            }
            .nav-links.is-open {
                display: flex;
            }
            .nav-links a {
                font-size: 16px;
                padding: 8px 0;
                display: block;
                width: 100%;
            }
            .nav-links a::after {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .header-actions .btn-nav-cta {
                display: none;
            }
            .header-inner {
                height: 56px;
            }
            .category-hero {
                min-height: 380px;
                padding-top: 80px;
            }
            .category-hero h1 {
                font-size: 28px;
            }
            .category-hero .hero-image {
                flex: 1 1 100%;
            }
            .category-hero .hero-image img {
                height: 200px;
            }
            .stats-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .stat-card {
                padding: 16px;
            }
            .stat-card .stat-number {
                font-size: 26px;
            }
            .award-list-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .data-visual-card {
                flex-direction: column;
            }
            .data-visual-image {
                min-height: 200px;
            }
            .data-visual-content {
                padding: var(--spacing-md);
            }
            .subscription-card form {
                grid-template-columns: 1fr;
            }
            .form-group.full-width,
            .form-submit-btn,
            .form-trust-note {
                grid-column: 1 / -1;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            .footer-brand {
                grid-column: auto;
            }
            .section-title {
                font-size: 24px;
            }
            .award-numbers {
                gap: 6px;
            }
            .number-ball {
                width: 32px;
                height: 32px;
                font-size: 13px;
            }
            .schedule-table table {
                font-size: 12px;
            }
            .schedule-table th,
            .schedule-table td {
                padding: 10px 12px;
                font-size: 12px;
            }
        }

        @media (max-width: 520px) {
            .category-hero h1 {
                font-size: 24px;
            }
            .category-hero .hero-desc {
                font-size: 14px;
            }
            .btn-primary,
            .btn-secondary {
                font-size: 14px;
                padding: 10px 20px;
            }
            .section-padding {
                padding-top: var(--spacing-lg);
                padding-bottom: var(--spacing-lg);
            }
            .section-title {
                font-size: 21px;
            }
            .award-item-title {
                font-size: 16px;
            }
            .award-item-summary {
                font-size: 13px;
            }
            .data-visual-content h3 {
                font-size: 19px;
            }
            .data-visual-content p {
                font-size: 14px;
            }
            .deep-content-block {
                padding: var(--spacing-md);
            }
            .deep-content-block h3 {
                font-size: 18px;
            }
            .subscription-card {
                padding: var(--spacing-md);
            }
        }

/* roulang page: category6 */
:root {
            --primary-blue: #1F5FA8;
            --primary-blue-dark: #174A85;
            --primary-blue-light: #2E6FBA;
            --bg-light-blue: #E8F1FB;
            --bg-page: #F8FAFC;
            --text-heading: #102A43;
            --text-body: #52606D;
            --text-muted: #7B8794;
            --card-white: #FFFFFF;
            --border-light: #E1E8F0;
            --shadow-sm: 0 2px 8px rgba(16, 42, 58, 0.08);
            --shadow-md: 0 8px 20px rgba(16, 42, 58, 0.12);
            --shadow-lg: 0 12px 32px rgba(16, 42, 58, 0.16);
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 10px;
            --radius-xl: 14px;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 60px;
            --spacing-xxl: 80px;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', Arial, sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', Arial, sans-serif;
            --transition-fast: 0.15s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.35s ease;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-body);
            background-color: var(--bg-page);
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--primary-blue);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--primary-blue-dark);
        }
        a:focus-visible {
            outline: 2px solid var(--primary-blue);
            outline-offset: 2px;
            border-radius: 2px;
        }
        button,
        input,
        select,
        textarea {
            font-family: var(--font-body);
            font-size: 15px;
        }
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--primary-blue);
            outline-offset: 2px;
        }
        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        .section-padding {
            padding-top: var(--spacing-xl);
            padding-bottom: var(--spacing-xl);
        }
        .section-padding-lg {
            padding-top: var(--spacing-xxl);
            padding-bottom: var(--spacing-xxl);
        }
        .section-title {
            font-family: var(--font-heading);
            font-size: 28px;
            font-weight: 700;
            color: var(--text-heading);
            line-height: 1.4;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.5px;
        }
        .section-subtitle {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: var(--spacing-lg);
            max-width: 720px;
        }
        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary-blue);
            background: var(--bg-light-blue);
            border-radius: 20px;
            padding: 4px 14px;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.5px;
        }
        .text-heading {
            color: var(--text-heading);
        }
        .text-body-color {
            color: var(--text-body);
        }
        .text-muted {
            color: var(--text-muted);
        }
        .text-primary {
            color: var(--primary-blue);
        }
        .text-white {
            color: #fff;
        }
        .font-heading {
            font-family: var(--font-heading);
        }

        /* ============ 导航 ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.72);
            backdrop-filter: blur(14px) saturate(160%);
            -webkit-backdrop-filter: blur(14px) saturate(160%);
            border-bottom: 1px solid rgba(255, 255, 255, 0.5);
            box-shadow: 0 1px 12px rgba(16, 42, 58, 0.06);
            transition: background var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
        }
        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.96);
            box-shadow: 0 2px 16px rgba(16, 42, 58, 0.1);
            border-bottom: 1px solid var(--border-light);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--primary-blue);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            letter-spacing: 0;
            flex-shrink: 0;
        }
        .logo-text {
            font-family: var(--font-heading);
            font-size: 18px;
            font-weight: 700;
            color: var(--text-heading);
            letter-spacing: 0.5px;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }
        .nav-links a {
            display: inline-block;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-heading);
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            transition: color var(--transition-fast), background var(--transition-fast);
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: var(--primary-blue);
            background: var(--bg-light-blue);
        }
        .nav-links a.active {
            color: var(--primary-blue);
            font-weight: 700;
            background: var(--bg-light-blue);
            border-bottom: 2px solid var(--primary-blue);
            border-radius: var(--radius-sm) var(--radius-sm) 0 0;
        }
        .nav-cta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .nav-search-btn {
            width: 36px;
            height: 36px;
            background: transparent;
            border: 1px solid var(--border-light);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-body);
            font-size: 15px;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .nav-search-btn:hover {
            background: var(--bg-light-blue);
            color: var(--primary-blue);
            border-color: var(--primary-blue-light);
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-family: var(--font-body);
            font-size: 14px;
            font-weight: 600;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            transition: all var(--transition-fast);
            line-height: 1.4;
            letter-spacing: 0.3px;
        }
        .btn-primary {
            background: var(--primary-blue);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--primary-blue-dark);
            color: #fff;
            transform: translateY(-1px);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary-blue);
            border: 1px solid var(--primary-blue);
        }
        .btn-outline:hover {
            background: var(--bg-light-blue);
            color: var(--primary-blue-dark);
            transform: translateY(-1px);
        }
        .btn-sm {
            font-size: 13px;
            padding: 7px 16px;
        }
        .btn-lg {
            font-size: 16px;
            padding: 13px 30px;
        }
        .nav-toggle {
            display: none;
            background: transparent;
            border: none;
            font-size: 22px;
            color: var(--text-heading);
            cursor: pointer;
            padding: 4px 8px;
        }

        /* ============ Hero ============ */
        .page-hero {
            padding-top: 160px;
            padding-bottom: 70px;
            background: linear-gradient(165deg, #E8F1FB 0%, #F8FAFC 55%, #FFFFFF 100%);
            position: relative;
            overflow: hidden;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(31, 95, 168, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        .hero-content h1 {
            font-family: var(--font-heading);
            font-size: 38px;
            font-weight: 700;
            color: var(--text-heading);
            line-height: 1.35;
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }
        .hero-content .hero-subtitle {
            font-size: 17px;
            color: var(--text-body);
            line-height: 1.8;
            margin-bottom: 28px;
            max-width: 520px;
        }
        .hero-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .hero-image {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }
        .hero-image img {
            width: 100%;
            height: 380px;
            object-fit: cover;
            border-radius: var(--radius-xl);
        }
        .hero-image .image-badge {
            position: absolute;
            bottom: 18px;
            left: 18px;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(8px);
            border-radius: var(--radius-md);
            padding: 10px 16px;
            font-size: 13px;
            color: var(--text-heading);
            font-weight: 600;
            box-shadow: var(--shadow-sm);
        }

        /* ============ 指标看板 ============ */
        .stats-dashboard {
            margin-top: -40px;
            position: relative;
            z-index: 2;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
        }
        .stat-card {
            background: var(--card-white);
            border-radius: var(--radius-lg);
            padding: 22px 18px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition-base);
            text-align: center;
        }
        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .stat-number {
            font-family: var(--font-heading);
            font-size: 32px;
            font-weight: 700;
            color: var(--primary-blue);
            line-height: 1.2;
            margin-bottom: 6px;
            letter-spacing: 0.5px;
        }
        .stat-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-heading);
            margin-bottom: 4px;
        }
        .stat-desc {
            font-size: 12px;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* ============ 服务矩阵（非对称） ============ */
        .service-matrix {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 18px;
            margin-top: var(--spacing-md);
        }
        .service-card {
            background: var(--card-white);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .service-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .service-card.wide {
            grid-row: span 2;
            padding: 28px;
        }
        .service-card .service-icon {
            width: 44px;
            height: 44px;
            background: var(--bg-light-blue);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-blue);
            font-size: 20px;
            margin-bottom: 4px;
        }
        .service-card h3 {
            font-family: var(--font-heading);
            font-size: 18px;
            font-weight: 700;
            color: var(--text-heading);
            margin: 0;
            line-height: 1.4;
        }
        .service-card p {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.7;
            margin: 0;
        }
        .service-card.wide p {
            font-size: 15px;
        }
        .service-card .service-link {
            margin-top: auto;
            font-size: 13px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* ============ 对比面板 ============ */
        .compare-section {
            background: var(--bg-light-blue);
            border-radius: var(--radius-xl);
            padding: var(--spacing-lg);
            margin-top: var(--spacing-lg);
        }
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            background: var(--card-white);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            margin-top: var(--spacing-md);
        }
        .compare-table th {
            background: var(--primary-blue);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            padding: 14px 16px;
            text-align: left;
            white-space: nowrap;
        }
        .compare-table td {
            font-size: 14px;
            color: var(--text-body);
            padding: 13px 16px;
            border-bottom: 1px solid var(--border-light);
            vertical-align: middle;
        }
        .compare-table tr:nth-child(even) td {
            background: #F9FBFE;
        }
        .compare-table tr:hover td {
            background: var(--bg-light-blue);
        }
        .compare-table .highlight-cell {
            font-weight: 700;
            color: var(--primary-blue);
        }

        /* ============ 内容列表 ============ */
        .content-list-section {
            background: var(--card-white);
            border-radius: var(--radius-xl);
            padding: var(--spacing-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            margin-top: var(--spacing-lg);
        }
        .content-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .content-list-item {
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 20px;
            padding: 20px 0;
            border-bottom: 1px solid var(--border-light);
            align-items: start;
        }
        .content-list-item:last-child {
            border-bottom: none;
        }
        .content-list-item .item-date {
            font-size: 13px;
            color: var(--text-muted);
            font-weight: 500;
            white-space: nowrap;
            padding-top: 2px;
        }
        .content-list-item h4 {
            font-family: var(--font-heading);
            font-size: 17px;
            font-weight: 700;
            color: var(--text-heading);
            margin: 0 0 6px 0;
            line-height: 1.5;
        }
        .content-list-item p {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.7;
            margin: 0 0 8px 0;
        }
        .content-list-item .read-more {
            font-size: 13px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* ============ 深度内容区 ============ */
        .deep-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            margin-top: var(--spacing-lg);
        }
        .deep-content-card {
            background: var(--card-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition-base);
        }
        .deep-content-card:hover {
            box-shadow: var(--shadow-md);
        }
        .deep-content-card img {
            width: 100%;
            height: 220px;
            object-fit: cover;
        }
        .deep-content-card .deep-body {
            padding: 24px 28px 28px;
        }
        .deep-content-card h3 {
            font-family: var(--font-heading);
            font-size: 20px;
            font-weight: 700;
            color: var(--text-heading);
            margin: 0 0 12px 0;
            line-height: 1.4;
        }
        .deep-content-card p {
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.85;
            margin: 0 0 12px 0;
        }

        /* ============ FAQ ============ */
        .faq-list {
            max-width: 820px;
            margin: var(--spacing-md) auto 0;
        }
        .faq-item {
            background: var(--card-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-base);
            cursor: pointer;
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-heading);
            font-family: var(--font-heading);
            user-select: none;
            gap: 12px;
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--bg-light-blue);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-blue);
            font-size: 13px;
            transition: transform var(--transition-base);
        }
        .faq-item.open .faq-icon {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 20px;
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.8;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }

        /* ============ CTA表单 ============ */
        .cta-form-section {
            background: linear-gradient(140deg, var(--bg-light-blue) 0%, #F0F6FC 50%, #FFFFFF 100%);
            border-radius: var(--radius-xl);
            padding: var(--spacing-lg);
            margin-top: var(--spacing-lg);
            border: 1px solid var(--border-light);
        }
        .cta-form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .cta-form-info h2 {
            font-family: var(--font-heading);
            font-size: 24px;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 12px;
            line-height: 1.4;
        }
        .cta-form-info p {
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .cta-form-info .trust-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 6px;
        }
        .cta-form {
            background: var(--card-white);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-md);
        }
        .cta-form .form-group {
            margin-bottom: 16px;
        }
        .cta-form label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-heading);
            margin-bottom: 6px;
        }
        .cta-form input,
        .cta-form select {
            width: 100%;
            padding: 11px 14px;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            font-size: 14px;
            color: var(--text-heading);
            background: var(--bg-page);
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        .cta-form input:focus,
        .cta-form select:focus {
            border-color: var(--primary-blue);
            box-shadow: 0 0 0 3px rgba(31, 95, 168, 0.12);
            outline: none;
        }
        .cta-form .form-hint {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 10px;
            line-height: 1.5;
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: var(--text-heading);
            color: rgba(255, 255, 255, 0.75);
            padding: 60px 0 28px;
            margin-top: var(--spacing-xl);
        }
        .site-footer a {
            color: rgba(255, 255, 255, 0.75);
            transition: color var(--transition-fast);
        }
        .site-footer a:hover {
            color: #fff;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.15);
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            margin-top: 12px;
            max-width: 360px;
        }
        .footer-links h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-links a {
            display: block;
            font-size: 14px;
            line-height: 1.7;
            padding: 4px 0;
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 24px;
            font-size: 13px;
        }
        .footer-divider {
            margin: 0 8px;
            color: rgba(255, 255, 255, 0.3);
        }

        /* ============ 响应式 ============ */
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .service-matrix {
                grid-template-columns: 1fr 1fr;
            }
            .service-card.wide {
                grid-column: span 2;
                grid-row: auto;
            }
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-image img {
                height: 300px;
            }
            .deep-content {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .cta-form-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-top {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: flex-start;
                padding: 16px 20px;
                box-shadow: var(--shadow-md);
                border-bottom: 1px solid var(--border-light);
                gap: 4px;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                padding: 10px 12px;
                font-size: 15px;
            }
            .nav-cta .btn {
                display: none;
            }
            .nav-toggle {
                display: block;
            }
            .page-hero {
                padding-top: 130px;
                padding-bottom: 50px;
            }
            .hero-content h1 {
                font-size: 28px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .service-matrix {
                grid-template-columns: 1fr;
            }
            .service-card.wide {
                grid-column: auto;
            }
            .content-list-item {
                grid-template-columns: 1fr;
                gap: 4px;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .section-title {
                font-size: 23px;
            }
            .cta-form {
                padding: 20px;
            }
        }
        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .hero-content h1 {
                font-size: 23px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: flex-start;
            }
            .hero-image img {
                height: 220px;
            }
            .compare-table {
                font-size: 12px;
            }
            .compare-table th,
            .compare-table td {
                padding: 8px 10px;
                font-size: 12px;
            }
            .section-padding {
                padding-top: 40px;
                padding-bottom: 40px;
            }
            .deep-content-card .deep-body {
                padding: 18px 20px;
            }
        }

/* roulang page: category7 */
:root {
            --primary-blue: #1F5FA8;
            --primary-blue-dark: #174A85;
            --primary-blue-light: #2E6FBA;
            --bg-light-blue: #E8F1FB;
            --bg-page: #F8FAFC;
            --text-heading: #102A43;
            --text-body: #52606D;
            --text-muted: #7B8794;
            --card-white: #FFFFFF;
            --border-light: #E1E8F0;
            --shadow-sm: 0 2px 8px rgba(16, 42, 58, 0.08);
            --shadow-md: 0 8px 20px rgba(16, 42, 58, 0.12);
            --shadow-lg: 0 12px 32px rgba(16, 42, 58, 0.16);
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 10px;
            --radius-xl: 14px;
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 24px;
            --spacing-lg: 40px;
            --spacing-xl: 60px;
            --spacing-xxl: 80px;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', Arial, sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', Arial, sans-serif;
            --transition-fast: 0.15s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.35s ease;
        }

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

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

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-body);
            background-color: var(--bg-page);
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

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

        a {
            color: var(--primary-blue);
            text-decoration: none;
            transition: color var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast);
        }

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

        a:focus-visible {
            outline: 2px solid var(--primary-blue);
            outline-offset: 2px;
            border-radius: 2px;
        }

        button,
        input,
        select,
        textarea {
            font-family: var(--font-body);
            font-size: 15px;
        }

        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--primary-blue);
            outline-offset: 2px;
        }

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

        .section-padding {
            padding-top: var(--spacing-xl);
            padding-bottom: var(--spacing-xl);
        }

        .section-padding-lg {
            padding-top: var(--spacing-xxl);
            padding-bottom: var(--spacing-xxl);
        }

        .section-title {
            font-family: var(--font-heading);
            font-size: 28px;
            font-weight: 700;
            color: var(--text-heading);
            line-height: 1.4;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.5px;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: var(--spacing-lg);
            max-width: 720px;
        }

        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary-blue);
            background: var(--bg-light-blue);
            border-radius: 20px;
            padding: 4px 14px;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.5px;
        }

        .text-heading {
            color: var(--text-heading);
        }
        .text-body-color {
            color: var(--text-body);
        }
        .text-muted {
            color: var(--text-muted);
        }
        .text-primary {
            color: var(--primary-blue);
        }
        .text-white {
            color: #fff;
        }
        .font-heading {
            font-family: var(--font-heading);
        }

        /* ============ 导航 ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.72);
            backdrop-filter: blur(14px) saturate(160%);
            -webkit-backdrop-filter: blur(14px) saturate(160%);
            border-bottom: 1px solid rgba(255, 255, 255, 0.5);
            box-shadow: 0 1px 12px rgba(16, 42, 58, 0.06);
            transition: background var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
        }

        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.96);
            box-shadow: 0 2px 16px rgba(16, 42, 58, 0.1);
            border-bottom: 1px solid var(--border-light);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

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

        .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--primary-blue);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .logo-text {
            font-family: var(--font-heading);
            font-size: 18px;
            font-weight: 700;
            color: var(--text-heading);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 6px 12px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-heading);
            border-radius: 6px;
            transition: color var(--transition-fast), background var(--transition-fast);
            white-space: nowrap;
        }

        .nav-links a:hover {
            color: var(--primary-blue);
            background: var(--bg-light-blue);
        }

        .nav-links a.active {
            color: var(--primary-blue);
            font-weight: 600;
            background: var(--bg-light-blue);
        }

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

        .btn-search-icon {
            width: 38px;
            height: 38px;
            background: transparent;
            border: 1px solid var(--border-light);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-body);
            cursor: pointer;
            transition: all var(--transition-fast);
            font-size: 14px;
        }

        .btn-search-icon:hover {
            background: var(--bg-light-blue);
            border-color: var(--primary-blue);
            color: var(--primary-blue);
        }

        .btn-primary-sm {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary-blue);
            color: #fff;
            border: 1px solid var(--primary-blue);
            padding: 8px 16px;
            font-size: 14px;
            font-weight: 600;
            border-radius: 6px;
            cursor: pointer;
            transition: background var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
            white-space: nowrap;
        }

        .btn-primary-sm:hover {
            background: var(--primary-blue-dark);
            border-color: var(--primary-blue-dark);
            color: #fff;
            box-shadow: 0 4px 12px rgba(31, 95, 168, 0.25);
        }

        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            background: transparent;
            border: 1px solid var(--border-light);
            border-radius: 6px;
            font-size: 18px;
            color: var(--text-heading);
            cursor: pointer;
            align-items: center;
            justify-content: center;
        }

        /* ============ 按钮 ============ */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary-blue);
            color: #fff;
            border: 1px solid var(--primary-blue);
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 600;
            border-radius: 6px;
            cursor: pointer;
            transition: background var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: var(--primary-blue-dark);
            border-color: var(--primary-blue-dark);
            color: #fff;
            box-shadow: 0 6px 18px rgba(31, 95, 168, 0.28);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--primary-blue);
            border: 1px solid var(--primary-blue);
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 600;
            border-radius: 6px;
            cursor: pointer;
            transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
            white-space: nowrap;
        }

        .btn-secondary:hover {
            background: var(--bg-light-blue);
            border-color: var(--primary-blue-dark);
            color: var(--primary-blue-dark);
        }

        .btn-link-text {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary-blue);
            font-size: 15px;
            font-weight: 600;
            transition: color var(--transition-fast), gap var(--transition-fast);
            cursor: pointer;
        }

        .btn-link-text:hover {
            color: var(--primary-blue-dark);
            gap: 10px;
        }

        .btn-read-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary-blue);
            transition: color var(--transition-fast), gap var(--transition-fast);
            cursor: pointer;
        }

        .btn-read-more:hover {
            color: var(--primary-blue-dark);
            gap: 10px;
        }

        /* ============ Hero ============ */
        .page-hero {
            padding-top: 120px;
            padding-bottom: 60px;
            background: linear-gradient(180deg, #E8F1FB 0%, #F8FAFC 100%);
            position: relative;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 360px;
            height: 360px;
            background: radial-gradient(circle, rgba(31, 95, 168, 0.08) 0%, rgba(31, 95, 168, 0) 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            bottom: -120px;
            left: -60px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(31, 95, 168, 0.05) 0%, rgba(31, 95, 168, 0) 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .page-hero .container-custom {
            position: relative;
            z-index: 1;
        }

        .page-hero h1 {
            font-family: var(--font-heading);
            font-size: 36px;
            font-weight: 700;
            color: var(--text-heading);
            line-height: 1.4;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .page-hero .hero-desc {
            font-size: 16px;
            color: var(--text-body);
            line-height: 1.9;
            max-width: 720px;
            margin-bottom: 24px;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 24px;
            flex-wrap: wrap;
        }

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

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

        .breadcrumb .sep {
            color: var(--border-light);
        }

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

        .hero-cta-row {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .hero-cover {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
        }

        .hero-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 280px;
        }

        /* ============ 数据小看板 ============ */
        .mini-dashboard {
            background: var(--card-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            padding: var(--spacing-md);
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            justify-content: space-between;
        }

        .mini-dash-item {
            flex: 1 1 120px;
            min-width: 100px;
            text-align: center;
            padding: 8px 12px;
            border-right: 1px solid var(--border-light);
        }

        .mini-dash-item:last-child {
            border-right: none;
        }

        .mini-dash-value {
            font-family: var(--font-heading);
            font-size: 28px;
            font-weight: 700;
            color: var(--primary-blue);
            line-height: 1.3;
            margin-bottom: 4px;
        }

        .mini-dash-label {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* ============ 卡片通用 ============ */
        .card {
            background: var(--card-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: box-shadow var(--transition-base), transform var(--transition-base);
            overflow: hidden;
        }

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

        .card-body {
            padding: 20px;
        }

        .card-title {
            font-family: var(--font-heading);
            font-size: 18px;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 8px;
            line-height: 1.5;
        }

        .card-text {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.8;
            margin-bottom: 12px;
        }

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

        /* ============ 彩种列表 ============ */
        .lottery-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .lottery-list-item {
            background: var(--card-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            padding: 24px;
            display: flex;
            gap: 24px;
            transition: box-shadow var(--transition-base), transform var(--transition-base);
            position: relative;
        }

        .lottery-list-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .lottery-list-badge {
            flex-shrink: 0;
            width: 60px;
            height: 60px;
            background: var(--bg-light-blue);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--primary-blue);
            font-weight: 700;
        }

        .lottery-list-content {
            flex: 1;
            min-width: 0;
        }

        .lottery-list-content h3 {
            font-family: var(--font-heading);
            font-size: 18px;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 4px;
            line-height: 1.5;
        }

        .lottery-list-content .lottery-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 8px;
        }

        .lottery-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 500;
            color: var(--primary-blue);
            background: var(--bg-light-blue);
            border-radius: 4px;
            padding: 2px 10px;
        }

        .lottery-list-content p {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.8;
            margin-bottom: 10px;
        }

        .lottery-list-content .lottery-meta {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ============ 彩种对比表 ============ */
        .compare-table-wrap {
            overflow-x: auto;
            background: var(--card-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
        }

        .compare-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 14px;
            min-width: 720px;
        }

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

        .compare-table th {
            background: var(--bg-light-blue);
            color: var(--text-heading);
            font-weight: 700;
            font-family: var(--font-heading);
            font-size: 14px;
            white-space: nowrap;
        }

        .compare-table td {
            color: var(--text-body);
            line-height: 1.7;
        }

        .compare-table tbody tr:nth-child(even) {
            background: #FAFBFD;
        }

        .compare-table tbody tr:hover {
            background: #F3F7FC;
        }

        .compare-table tbody tr:last-child td {
            border-bottom: none;
        }

        .badge-recommend {
            display: inline-block;
            background: var(--primary-blue);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            border-radius: 4px;
            padding: 2px 10px;
        }

        /* ============ 深度内容区 ============ */
        .deep-content {
            background: var(--card-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            padding: 32px;
            margin-bottom: 24px;
        }

        .deep-content h2 {
            font-family: var(--font-heading);
            font-size: 24px;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 16px;
            line-height: 1.45;
        }

        .deep-content h3 {
            font-family: var(--font-heading);
            font-size: 18px;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 12px;
            line-height: 1.5;
        }

        .deep-content p {
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.9;
            margin-bottom: 14px;
        }

        .deep-content .cover-img {
            border-radius: var(--radius-md);
            overflow: hidden;
            margin-bottom: 16px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
        }

        .deep-content .cover-img img {
            width: 100%;
            height: auto;
            object-fit: cover;
            max-height: 360px;
        }

        /* ============ FAQ ============ */
        .faq-item {
            background: var(--card-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            margin-bottom: 12px;
            overflow: hidden;
            transition: box-shadow var(--transition-base);
        }

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 24px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-heading);
            font-family: var(--font-heading);
            line-height: 1.5;
            user-select: none;
            transition: color var(--transition-fast);
        }

        .faq-question:hover {
            color: var(--primary-blue);
        }

        .faq-icon {
            flex-shrink: 0;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--bg-light-blue);
            color: var(--primary-blue);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            transition: transform var(--transition-base), background var(--transition-base);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow);
        }

        .faq-answer-inner {
            padding: 0 24px 20px;
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.9;
        }

        .faq-item.active .faq-answer {
            max-height: 400px;
        }

        /* ============ 转化表单 ============ */
        .cta-form-section {
            background: var(--bg-light-blue);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            position: relative;
            overflow: hidden;
        }

        .cta-form-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 240px;
            height: 240px;
            background: radial-gradient(circle, rgba(31, 95, 168, 0.06) 0%, rgba(31, 95, 168, 0) 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-form-title {
            font-family: var(--font-heading);
            font-size: 24px;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 8px;
            line-height: 1.45;
        }

        .cta-form-desc {
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.8;
            margin-bottom: 24px;
        }

        .cta-form {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .form-field {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .form-field label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-heading);
        }

        .form-field input,
        .form-field select {
            padding: 12px 16px;
            border: 1px solid var(--border-light);
            border-radius: 6px;
            background: #fff;
            color: var(--text-heading);
            font-size: 15px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        .form-field input:focus,
        .form-field select:focus {
            border-color: var(--primary-blue);
            box-shadow: 0 0 0 3px rgba(31, 95, 168, 0.12);
            outline: none;
        }

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

        .form-actions {
            grid-column: 1 / -1;
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .form-trust {
            grid-column: 1 / -1;
            font-size: 12px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-top: 4px;
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: #102A43;
            color: #B8C6D4;
            padding-top: 48px;
            padding-bottom: 24px;
            margin-top: 0;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1.2fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            margin-bottom: 24px;
        }

        .footer-brand .logo-text {
            color: #fff !important;
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 18px;
            margin-bottom: 12px;
            display: block;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: #B8C6D4;
            max-width: 360px;
            margin: 0;
        }

        .footer-links h4 {
            font-family: var(--font-heading);
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            line-height: 1.4;
        }

        .footer-links a {
            display: block;
            font-size: 14px;
            color: #B8C6D4;
            margin-bottom: 10px;
            transition: color var(--transition-fast);
        }

        .footer-links a:hover {
            color: #fff;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: #8EA0B5;
        }

        .footer-bottom a {
            color: #8EA0B5;
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: #fff;
        }

        .footer-divider {
            margin: 0 8px;
            color: rgba(255, 255, 255, 0.2);
        }

        /* ============ 响应式 ============ */
        @media (max-width: 1024px) {
            .nav-links a {
                padding: 6px 8px;
                font-size: 13px;
            }

            .logo-text {
                font-size: 16px;
            }

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

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

        @media (max-width: 768px) {
            .nav-toggle {
                display: flex;
            }

            .nav-links {
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                padding: 12px 20px;
                gap: 2px;
                box-shadow: 0 8px 20px rgba(16, 42, 58, 0.12);
                border-bottom: 1px solid var(--border-light);
                display: none;
                max-height: 0;
                overflow: hidden;
                transition: max-height var(--transition-slow);
            }

            .nav-links.open {
                display: flex;
                max-height: 480px;
            }

            .nav-links a {
                padding: 12px 16px;
                font-size: 15px;
                border-radius: 6px;
            }

            .header-actions .btn-primary-sm {
                display: none;
            }

            .header-actions .btn-search-icon {
                width: 36px;
                height: 36px;
                font-size: 13px;
            }

            .page-hero {
                padding-top: 100px;
                padding-bottom: 40px;
            }

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

            .section-title {
                font-size: 22px;
            }

            .lottery-list-item {
                flex-direction: column;
                gap: 16px;
                padding: 20px;
            }

            .lottery-list-badge {
                width: 48px;
                height: 48px;
                font-size: 20px;
            }

            .deep-content {
                padding: 20px;
            }

            .cta-form-section {
                padding: 32px 24px;
            }

            .cta-form {
                grid-template-columns: 1fr;
            }

            .form-actions {
                grid-column: 1;
            }

            .form-trust {
                grid-column: 1;
            }

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

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

            .mini-dash-item {
                border-right: none;
                border-bottom: 1px solid var(--border-light);
                padding: 8px 4px;
            }

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

            .mini-dashboard {
                flex-direction: row;
                flex-wrap: wrap;
            }

            .mini-dash-item {
                flex: 1 1 45%;
                min-width: 45%;
            }
        }

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

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

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

            .hero-cta-row {
                flex-direction: column;
                align-items: stretch;
                gap: 10px;
            }

            .hero-cta-row .btn-primary,
            .hero-cta-row .btn-secondary {
                justify-content: center;
            }

            .section-padding {
                padding-top: 40px;
                padding-bottom: 40px;
            }

            .section-padding-lg {
                padding-top: 48px;
                padding-bottom: 48px;
            }

            .cta-form-section {
                padding: 24px 16px;
            }

            .compare-table th,
            .compare-table td {
                padding: 10px 12px;
                font-size: 13px;
            }

            .mini-dash-item {
                flex: 1 1 100%;
                min-width: 100%;
                border-right: none;
                border-bottom: 1px solid var(--border-light);
            }

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