/* roulang page: index */
:root {
            --brand-blue: #1B6EC2;
            --brand-blue-hover: #155A9C;
            --brand-blue-light: #2D7BCB;
            --brand-deep: #0F4C8C;
            --bg-light: #F5F8FB;
            --bg-blue-soft: #E9F0F7;
            --bg-blue-soft-2: #F4F8FC;
            --text-primary: #1A2733;
            --text-secondary: #5A6B7C;
            --border-light: #E1E9F2;
            --border-input: #D2DEEA;
            --accent-yellow: #F0A428;
            --white: #FFFFFF;
            --shadow-card: 0 8px 24px rgba(27, 110, 194, 0.08);
            --shadow-card-hover: 0 12px 32px rgba(27, 110, 194, 0.14);
            --radius-card: 14px;
            --radius-btn: 10px;
            --radius-input: 8px;
            --radius-panel: 18px;
            --section-padding: 72px 0;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-num: "Inter", "Roboto", "Oswald", sans-serif;
            --transition-base: all 0.25s ease;
        }

        * {
            box-sizing: border-box;
        }

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

        body {
            font-family: var(--font-sans);
            color: var(--text-primary);
            background: var(--white);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a:hover {
            text-decoration: none;
            color: var(--brand-blue);
        }

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

        button,
        input,
        select,
        textarea {
            font-family: var(--font-sans);
        }

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

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

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid #E5EDF5;
            transition: var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: 0 2px 16px rgba(27, 110, 194, 0.06);
        }

        .navbar {
            padding: 14px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: nowrap;
        }

        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--brand-blue);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .navbar-brand .brand-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--brand-blue) 0%, var(--brand-deep) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.05rem;
            flex-shrink: 0;
        }

        .navbar-brand-text {
            font-size: 1.18rem;
            letter-spacing: 0.5px;
            color: var(--text-primary);
            font-weight: 700;
        }

        .navbar-brand-text span {
            color: var(--brand-blue);
        }

        .navbar-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .navbar-nav::-webkit-scrollbar {
            display: none;
        }

        .nav-item {
            white-space: nowrap;
            flex-shrink: 0;
        }

        .nav-link {
            display: block;
            padding: 8px 14px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 8px;
            transition: var(--transition-base);
            white-space: nowrap;
        }

        .nav-link:hover {
            color: var(--brand-blue);
            background: var(--bg-blue-soft);
        }

        .nav-link.active {
            color: var(--brand-blue);
            background: var(--bg-blue-soft);
            font-weight: 600;
        }

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

        .nav-search {
            display: flex;
            align-items: center;
            background: var(--white);
            border: 1px solid var(--border-input);
            border-radius: 24px;
            padding: 7px 16px;
            gap: 8px;
            cursor: pointer;
            transition: var(--transition-base);
            min-width: 180px;
        }

        .nav-search:hover {
            border-color: var(--brand-blue);
            box-shadow: 0 0 0 3px rgba(27, 110, 194, 0.08);
        }

        .nav-search i {
            color: var(--text-secondary);
            font-size: 0.85rem;
        }

        .nav-search span {
            font-size: 0.85rem;
            color: var(--text-secondary);
            white-space: nowrap;
        }

        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 20px;
            border-radius: var(--radius-btn);
            background: var(--brand-blue);
            color: var(--white);
            font-size: 0.88rem;
            font-weight: 600;
            border: none;
            white-space: nowrap;
            transition: var(--transition-base);
        }

        .btn-nav-cta:hover {
            background: var(--brand-blue-hover);
            color: var(--white);
            box-shadow: 0 4px 14px rgba(27, 110, 194, 0.28);
        }

        .navbar-toggler {
            display: none;
            border: 1px solid var(--border-light);
            border-radius: 8px;
            padding: 6px 10px;
            background: var(--white);
            color: var(--text-primary);
            font-size: 1.2rem;
            cursor: pointer;
        }

        .mobile-menu {
            display: none;
            background: var(--white);
            border-top: 1px solid #E5EDF5;
            padding: 16px 0;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }

        .mobile-menu.open {
            max-height: 480px;
        }

        .mobile-menu .nav-link {
            padding: 10px 24px;
            font-size: 0.95rem;
            display: block;
        }

        /* ===== Hero ===== */
        .hero-section {
            padding: 130px 0 80px;
            background: linear-gradient(160deg, #F4F8FC 0%, #E9F0F7 40%, #FFFFFF 100%);
            position: relative;
            overflow: hidden;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -80px;
            right: -60px;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            background: rgba(27, 110, 194, 0.04);
            pointer-events: none;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .hero-left {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            align-self: flex-start;
            padding: 5px 14px;
            border-radius: 20px;
            background: var(--brand-blue);
            color: var(--white);
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 1px;
        }

        .hero-tag i {
            font-size: 0.7rem;
        }

        .hero-title {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-primary);
            margin: 0;
            letter-spacing: -0.5px;
        }

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

        .hero-title .highlight::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 0;
            right: 0;
            height: 8px;
            background: rgba(27, 110, 194, 0.12);
            border-radius: 2px;
            z-index: -1;
        }

        .hero-subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
            max-width: 540px;
        }

        .hero-desc {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0;
            max-width: 520px;
        }

        .hero-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-top: 8px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: var(--radius-btn);
            background: var(--brand-blue);
            color: var(--white);
            font-size: 0.95rem;
            font-weight: 600;
            border: 2px solid var(--brand-blue);
            transition: var(--transition-base);
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: var(--brand-blue-hover);
            border-color: var(--brand-blue-hover);
            color: var(--white);
            box-shadow: 0 6px 20px rgba(27, 110, 194, 0.3);
            transform: translateY(-2px);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 24px;
            border-radius: var(--radius-btn);
            background: transparent;
            color: var(--brand-blue);
            font-size: 0.95rem;
            font-weight: 600;
            border: 2px solid var(--brand-blue);
            transition: var(--transition-base);
            white-space: nowrap;
        }

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

        .hero-stats-mini {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            margin-top: 12px;
        }

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

        .hero-stat-mini .num {
            font-family: var(--font-num);
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--brand-blue);
            line-height: 1.2;
        }

        .hero-stat-mini .lbl {
            font-size: 0.78rem;
            color: var(--text-secondary);
        }

        .hero-right {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .hero-data-card {
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 24px 28px;
            transition: var(--transition-base);
        }

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

        .hero-data-card .card-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 14px;
        }

        .hero-data-card .card-head-tag {
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--brand-blue);
            background: var(--bg-blue-soft);
            padding: 3px 12px;
            border-radius: 16px;
        }

        .hero-data-card .card-head-date {
            font-size: 0.8rem;
            color: var(--text-secondary);
        }

        .match-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 0;
            border-bottom: 1px dashed var(--border-light);
        }

        .match-row:last-child {
            border-bottom: none;
        }

        .match-team {
            font-weight: 600;
            font-size: 0.92rem;
            color: var(--text-primary);
            min-width: 70px;
        }

        .match-score {
            font-family: var(--font-num);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--brand-deep);
            background: var(--bg-blue-soft-2);
            padding: 4px 12px;
            border-radius: 8px;
            letter-spacing: 1px;
        }

        .match-time {
            font-size: 0.78rem;
            color: var(--text-secondary);
        }

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

        .hero-data-mini {
            background: var(--bg-blue-soft-2);
            border-radius: 12px;
            padding: 14px 16px;
            text-align: center;
        }

        .hero-data-mini .num {
            font-family: var(--font-num);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--brand-blue);
            line-height: 1.2;
        }

        .hero-data-mini .lbl {
            font-size: 0.78rem;
            color: var(--text-secondary);
            margin-top: 4px;
        }

        /* ===== Section 通用 ===== */
        .section {
            padding: var(--section-padding);
        }

        .section-bg-light {
            background: var(--bg-light);
        }

        .section-bg-white {
            background: var(--white);
        }

        .section-header {
            text-align: center;
            max-width: 780px;
            margin: 0 auto 48px;
        }

        .section-header h2 {
            font-size: 1.9rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 16px;
            letter-spacing: -0.3px;
        }

        .section-header p {
            font-size: 0.98rem;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0;
        }

        .section-header.left {
            text-align: left;
            margin-left: 0;
        }

        /* ===== 品牌介绍 ===== */
        .brand-intro {
            max-width: 820px;
            margin: 0 auto;
            text-align: center;
            padding: 0 24px;
        }

        .brand-intro p {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.9;
            margin-bottom: 16px;
            text-align: justify;
        }

        .brand-intro .divider {
            width: 56px;
            height: 3px;
            background: var(--brand-blue);
            border-radius: 2px;
            margin: 32px auto;
        }

        /* ===== 功能卡片 ===== */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .feature-card {
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 28px;
            transition: var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .feature-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: rgba(27, 110, 194, 0.25);
        }

        .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: var(--bg-blue-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--brand-blue);
            flex-shrink: 0;
        }

        .feature-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0;
        }

        .feature-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.75;
            margin: 0;
            flex-grow: 1;
        }

        .feature-link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--brand-blue);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .feature-link:hover {
            color: var(--brand-blue-hover);
            gap: 10px;
        }

        /* ===== 场景图文 ===== */
        .scene-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            margin-bottom: 56px;
        }

        .scene-row:last-child {
            margin-bottom: 0;
        }

        .scene-row.reverse .scene-text {
            order: 2;
        }

        .scene-row.reverse .scene-img {
            order: 1;
        }

        .scene-text h3 {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 12px;
        }

        .scene-text p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.85;
            margin: 0 0 16px;
        }

        .scene-condition {
            background: var(--bg-blue-soft-2);
            border: 1px solid var(--border-light);
            border-radius: 12px;
            padding: 16px 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
        }

        .scene-condition .cond-item {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.82rem;
            color: var(--text-secondary);
            background: var(--white);
            padding: 4px 12px;
            border-radius: 20px;
            border: 1px solid var(--border-light);
        }

        .scene-condition .cond-item i {
            color: var(--brand-blue);
            font-size: 0.7rem;
        }

        .scene-img {
            background: var(--bg-blue-soft);
            border-radius: var(--radius-panel);
            overflow: hidden;
            min-height: 220px;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }

        .scene-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
        }

        .scene-img-overlay {
            position: relative;
            z-index: 1;
            text-align: center;
            padding: 24px;
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            text-shadow: 0 1px 4px rgba(0,0,0,0.4);
        }

        /* ===== 演示面板 ===== */
        .demo-panel {
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-panel);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            max-width: 900px;
            margin: 0 auto;
        }

        .demo-panel-header {
            background: var(--bg-blue-soft-2);
            padding: 18px 28px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-bottom: 1px solid var(--border-light);
        }

        .demo-panel-header h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0;
        }

        .demo-panel-header .badge-live {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--brand-blue);
            background: var(--white);
            padding: 4px 12px;
            border-radius: 16px;
            border: 1px solid var(--border-light);
        }

        .demo-panel-body {
            padding: 28px;
        }

        .demo-table {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 16px;
        }

        .demo-table-item {
            background: var(--bg-blue-soft-2);
            border-radius: 12px;
            padding: 16px;
            text-align: center;
        }

        .demo-table-item .num {
            font-family: var(--font-num);
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--brand-blue);
            line-height: 1.3;
        }

        .demo-table-item .lbl {
            font-size: 0.78rem;
            color: var(--text-secondary);
            margin-top: 6px;
        }

        /* ===== 案例卡片 ===== */
        .case-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .case-card {
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 24px 28px;
            transition: var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

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

        .case-card-top {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }

        .case-tag {
            font-size: 0.72rem;
            font-weight: 600;
            color: var(--brand-blue);
            background: var(--bg-blue-soft);
            padding: 3px 10px;
            border-radius: 14px;
        }

        .case-date {
            font-size: 0.78rem;
            color: var(--text-secondary);
        }

        .case-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0;
        }

        .case-card p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.75;
            margin: 0;
            flex-grow: 1;
        }

        /* ===== 套餐/方案 ===== */
        .plan-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .plan-card {
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 28px;
            transition: var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .plan-card.featured {
            border: 2px solid var(--brand-blue);
            background: var(--bg-blue-soft-2);
            position: relative;
        }

        .plan-card.featured::before {
            content: '推荐';
            position: absolute;
            top: -12px;
            right: 24px;
            background: var(--brand-blue);
            color: #fff;
            font-size: 0.72rem;
            font-weight: 600;
            padding: 3px 12px;
            border-radius: 12px;
            letter-spacing: 1px;
        }

        .plan-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0;
        }

        .plan-price {
            font-family: var(--font-num);
            font-size: 2rem;
            font-weight: 800;
            color: var(--brand-blue);
            line-height: 1.1;
        }

        .plan-price span {
            font-size: 0.9rem;
            font-weight: 400;
            color: var(--text-secondary);
        }

        .plan-desc {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.75;
            margin: 0;
        }

        .plan-features {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
            flex-grow: 1;
        }

        .plan-features li {
            font-size: 0.85rem;
            color: var(--text-secondary);
            display: flex;
            align-items: flex-start;
            gap: 8px;
            line-height: 1.6;
        }

        .plan-features li i {
            color: var(--brand-blue);
            font-size: 0.75rem;
            margin-top: 4px;
            flex-shrink: 0;
        }

        /* ===== 评价墙 ===== */
        .review-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .review-card {
            background: var(--bg-blue-soft-2);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 20px 22px;
            transition: var(--transition-base);
        }

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

        .review-stars {
            color: var(--accent-yellow);
            font-size: 0.8rem;
            display: flex;
            gap: 2px;
            margin-bottom: 8px;
        }

        .review-card p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0 0 10px;
            font-style: italic;
        }

        .review-user {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--text-primary);
        }

        /* ===== 口碑统计 ===== */
        .reputation-row {
            display: grid;
            grid-template-columns: 220px 1fr;
            gap: 48px;
            align-items: center;
        }

        .rep-score {
            text-align: center;
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-panel);
            padding: 32px 24px;
            box-shadow: var(--shadow-card);
        }

        .rep-score .big-num {
            font-family: var(--font-num);
            font-size: 3rem;
            font-weight: 800;
            color: var(--brand-blue);
            line-height: 1.1;
        }

        .rep-score .lbl {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-top: 6px;
        }

        .rep-quotes {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .rep-quote {
            background: var(--bg-blue-soft-2);
            border-radius: 12px;
            padding: 16px 20px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            border-left: 3px solid var(--brand-blue);
        }

        .rep-quote strong {
            color: var(--text-primary);
            font-weight: 600;
        }

        /* ===== 资讯列表 ===== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .news-item {
            display: grid;
            grid-template-columns: 120px 1fr 120px;
            gap: 20px;
            align-items: center;
            padding: 16px 20px;
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: 12px;
            transition: var(--transition-base);
        }

        .news-item:hover {
            box-shadow: var(--shadow-card);
            border-color: rgba(27, 110, 194, 0.2);
            transform: translateY(-2px);
        }

        .news-thumb {
            width: 120px;
            height: 80px;
            border-radius: 8px;
            overflow: hidden;
            background: var(--bg-blue-soft);
        }

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

        .news-info h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 6px;
        }

        .news-info p {
            font-size: 0.82rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.6;
        }

        .news-meta {
            text-align: right;
            display: flex;
            flex-direction: column;
            gap: 6px;
            align-items: flex-end;
        }

        .news-date {
            font-size: 0.78rem;
            color: var(--text-secondary);
        }

        .news-tag {
            font-size: 0.72rem;
            font-weight: 600;
            color: var(--brand-blue);
            background: var(--bg-blue-soft);
            padding: 2px 10px;
            border-radius: 12px;
            display: inline-block;
        }

        /* ===== CTA 板块 ===== */
        .cta-panel {
            background: var(--bg-blue-soft);
            border-radius: var(--radius-panel);
            padding: 48px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-panel::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(27, 110, 194, 0.08);
            pointer-events: none;
        }

        .cta-panel h2 {
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 12px;
            position: relative;
            z-index: 1;
        }

        .cta-panel p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto 24px;
            line-height: 1.8;
            position: relative;
            z-index: 1;
        }

        .cta-panel .btn-primary {
            position: relative;
            z-index: 1;
        }

        /* ===== 快速入口 ===== */
        .quick-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .quick-card {
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 22px;
            text-align: center;
            transition: var(--transition-base);
            cursor: pointer;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 10px;
        }

        .quick-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(27, 110, 194, 0.25);
        }

        .quick-card .quick-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: var(--bg-blue-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--brand-blue);
        }

        .quick-card h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0;
        }

        .quick-card p {
            font-size: 0.8rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.5;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }

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

        .faq-item:hover {
            border-color: rgba(27, 110, 194, 0.2);
            box-shadow: var(--shadow-card);
        }

        .faq-question {
            width: 100%;
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            background: none;
            border: none;
            cursor: pointer;
            font-family: var(--font-sans);
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-primary);
            text-align: left;
            transition: var(--transition-base);
        }

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

        .faq-question i {
            font-size: 0.8rem;
            color: var(--brand-blue);
            transition: var(--transition-base);
            flex-shrink: 0;
        }

        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }

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

        .faq-answer-inner {
            padding: 0 24px 20px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.75;
        }

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

        /* ===== 联赛标签墙 ===== */
        .league-wall {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            max-width: 800px;
            margin: 0 auto;
        }

        .league-tag {
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: 20px;
            padding: 8px 18px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition-base);
        }

        .league-tag:hover {
            border-color: var(--brand-blue);
            color: var(--brand-blue);
            background: var(--bg-blue-soft);
            transform: translateY(-2px);
        }

        .league-tag.highlight {
            background: var(--brand-blue);
            color: var(--white);
            border-color: var(--brand-blue);
            font-weight: 600;
        }

        /* ===== 时间线 ===== */
        .timeline {
            position: relative;
            max-width: 720px;
            margin: 0 auto;
            padding-left: 32px;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 10px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--border-light);
        }

        .timeline-item {
            position: relative;
            margin-bottom: 28px;
            padding-left: 24px;
        }

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

        .timeline-dot {
            position: absolute;
            left: -28px;
            top: 6px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--brand-blue);
            border: 3px solid var(--white);
            box-shadow: 0 0 0 3px var(--bg-blue-soft);
        }

        .timeline-item h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 6px;
        }

        .timeline-item p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.7;
        }

        .timeline-date {
            font-size: 0.78rem;
            color: var(--brand-blue);
            font-weight: 600;
            display: block;
            margin-bottom: 4px;
        }

        /* ===== 底部引导 ===== */
        .bottom-guide {
            text-align: center;
            padding: 64px 0;
            background: var(--bg-blue-soft-2);
            border-radius: var(--radius-panel);
            margin-bottom: -40px;
        }

        .bottom-guide h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 12px;
        }

        .bottom-guide p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            max-width: 520px;
            margin: 0 auto 24px;
            line-height: 1.7;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #1A2733;
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 0 0;
            margin-top: 80px;
        }

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

        .footer-brand h4 {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 12px;
        }

        .footer-brand h4 span {
            color: var(--brand-blue-light);
        }

        .footer-brand p {
            font-size: 0.85rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            max-width: 280px;
            margin: 0;
        }

        .footer-col h5 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 16px;
            letter-spacing: 0.5px;
        }

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

        .footer-col ul a {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.6);
            transition: var(--transition-base);
        }

        .footer-col ul a:hover {
            color: var(--brand-blue-light);
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 18px 0;
            text-align: center;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.45);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1200px) {
            .review-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .quick-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 992px) {
            :root {
                --section-padding: 56px 0;
            }
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .hero-right {
                max-width: 500px;
            }
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .plan-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .plan-card.featured {
                grid-column: span 2;
            }
            .scene-row {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .scene-row.reverse .scene-text {
                order: 1;
            }
            .scene-row.reverse .scene-img {
                order: 2;
            }
            .reputation-row {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .case-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .navbar-nav {
                display: none;
            }
            .nav-search {
                display: none;
            }
            .navbar-toggler {
                display: block;
            }
            .mobile-menu {
                display: block;
            }
            .hero-title {
                font-size: 2rem;
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .plan-grid {
                grid-template-columns: 1fr;
            }
            .plan-card.featured {
                grid-column: span 1;
            }
            .review-grid {
                grid-template-columns: 1fr;
            }
            .quick-grid {
                grid-template-columns: 1fr;
            }
            .news-item {
                grid-template-columns: 80px 1fr;
                gap: 12px;
            }
            .news-thumb {
                width: 80px;
                height: 60px;
            }
            .news-meta {
                grid-column: span 2;
                flex-direction: row;
                justify-content: space-between;
                align-items: center;
                text-align: left;
            }
            .demo-table {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .section {
                padding: 48px 0;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .cta-panel {
                padding: 32px 20px;
            }
            .bottom-guide {
                padding: 40px 20px;
            }
            .hero-section {
                padding: 100px 0 48px;
            }
            .hero-data-mini-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .hero-title {
                font-size: 1.65rem;
            }
            .hero-subtitle {
                font-size: 0.95rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
                gap: 10px;
            }
            .btn-primary,
            .btn-secondary {
                justify-content: center;
                width: 100%;
                padding: 12px 20px;
                font-size: 0.88rem;
            }
            .brand-intro p {
                font-size: 0.9rem;
                text-align: left;
            }
            .demo-panel-body {
                padding: 16px;
            }
            .timeline {
                padding-left: 20px;
            }
            .timeline-item {
                padding-left: 16px;
            }
            .timeline-dot {
                left: -22px;
                width: 10px;
                height: 10px;
            }
        }

/* roulang page: category1 */
:root {
    --brand-blue: #1B6EC2;
    --brand-blue-hover: #155A9C;
    --brand-blue-light: #2D7BCB;
    --brand-deep: #0F4C8C;
    --bg-light: #F5F8FB;
    --bg-blue-soft: #E9F0F7;
    --bg-blue-soft-2: #F4F8FC;
    --text-primary: #1A2733;
    --text-secondary: #5A6B7C;
    --border-light: #E1E9F2;
    --border-input: #D2DEEA;
    --accent-yellow: #F0A428;
    --white: #FFFFFF;
    --shadow-card: 0 8px 24px rgba(27, 110, 194, 0.08);
    --shadow-card-hover: 0 12px 32px rgba(27, 110, 194, 0.14);
    --radius-card: 14px;
    --radius-btn: 10px;
    --radius-input: 8px;
    --radius-panel: 18px;
    --section-padding: 72px 0;
    --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    --font-num: "Inter", "Roboto", "Oswald", sans-serif;
    --transition-base: all 0.25s ease;
}

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

body {
    font-family: var(--font-sans);
    color: var(--text-primary);
    background: var(--white);
    line-height: 1.7;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a:hover {
    text-decoration: none;
    color: var(--brand-blue);
}

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

button,
input,
select,
textarea {
    font-family: var(--font-sans);
}

button:focus,
input:focus,
select:focus,
textarea:focus,
.btn:focus,
.nav-link:focus,
.navbar-toggler:focus {
    outline: 2px solid var(--brand-blue);
    outline-offset: 2px;
}

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

/* ===== 导航 ===== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1050;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid #E5EDF5;
    transition: var(--transition-base);
}

.site-header.scrolled {
    box-shadow: 0 2px 16px rgba(27, 110, 194, 0.06);
}

.navbar {
    padding: 14px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: nowrap;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--brand-blue);
    white-space: nowrap;
    flex-shrink: 0;
}

.navbar-brand .brand-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--brand-blue) 0%, var(--brand-deep) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.05rem;
    flex-shrink: 0;
}

.navbar-brand-text {
    font-size: 1.18rem;
    letter-spacing: 0.5px;
    color: var(--text-primary);
    font-weight: 700;
}

.navbar-brand-text span {
    color: var(--brand-blue);
}

.navbar-nav {
    display: flex;
    align-items: center;
    gap: 4px;
    list-style: none;
    margin: 0;
    padding: 0;
    flex-wrap: nowrap;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.navbar-nav::-webkit-scrollbar {
    display: none;
}

.nav-item {
    white-space: nowrap;
    flex-shrink: 0;
}

.nav-link {
    display: block;
    padding: 8px 14px;
    font-size: 0.92rem;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: 8px;
    transition: var(--transition-base);
    white-space: nowrap;
}

.nav-link:hover {
    color: var(--brand-blue);
    background: var(--bg-blue-soft);
}

.nav-link.active {
    color: var(--brand-blue);
    background: var(--bg-blue-soft);
    font-weight: 600;
}

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

.nav-search {
    display: flex;
    align-items: center;
    background: var(--white);
    border: 1px solid var(--border-input);
    border-radius: 24px;
    padding: 7px 16px;
    gap: 8px;
    cursor: pointer;
    transition: var(--transition-base);
    min-width: 180px;
}

.nav-search:hover {
    border-color: var(--brand-blue);
    box-shadow: 0 0 0 3px rgba(27, 110, 194, 0.08);
}

.nav-search i {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.nav-search span {
    font-size: 0.85rem;
    color: var(--text-secondary);
    white-space: nowrap;
}

.btn-nav-cta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 20px;
    border-radius: var(--radius-btn);
    background: var(--brand-blue);
    color: var(--white);
    font-weight: 600;
    font-size: 0.9rem;
    border: none;
    transition: var(--transition-base);
    white-space: nowrap;
}

.btn-nav-cta:hover {
    background: var(--brand-blue-hover);
    color: var(--white);
    box-shadow: 0 4px 14px rgba(27, 110, 194, 0.25);
}

.navbar-toggler {
    display: none;
    background: transparent;
    border: 1px solid var(--border-light);
    border-radius: 8px;
    padding: 8px 12px;
    color: var(--text-primary);
    font-size: 1.1rem;
    cursor: pointer;
    transition: var(--transition-base);
}

.navbar-toggler:hover {
    background: var(--bg-blue-soft);
    border-color: var(--brand-blue);
}

.mobile-menu {
    display: none;
    padding: 16px 0 20px;
    background: var(--white);
    border-top: 1px solid var(--border-light);
    flex-direction: column;
    gap: 4px;
}

.mobile-menu .nav-link {
    padding: 10px 16px;
    font-size: 0.95rem;
    border-radius: 8px;
}

.mobile-menu .nav-link.active {
    background: var(--bg-blue-soft);
    color: var(--brand-blue);
    font-weight: 600;
}

.mobile-menu.show {
    display: flex;
}

/* ===== 通用板块 ===== */
.section-padding {
    padding: var(--section-padding);
}

.section-padding-sm {
    padding: 48px 0;
}

.bg-light-section {
    background: var(--bg-light);
}

.bg-white-section {
    background: var(--white);
}

.bg-soft-blue-section {
    background: var(--bg-blue-soft-2);
}

.section-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--brand-blue);
    background: var(--bg-blue-soft);
    border-radius: 20px;
    padding: 5px 14px;
    margin-bottom: 12px;
}

.section-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
    line-height: 1.4;
}

.section-desc {
    font-size: 1rem;
    color: var(--text-secondary);
    max-width: 720px;
    line-height: 1.8;
}

/* ===== 面包屑 ===== */
.breadcrumb-wrap {
    padding-top: 90px;
    background: var(--bg-light);
    border-bottom: 1px solid var(--border-light);
}

.breadcrumb-custom {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    padding: 14px 0;
    list-style: none;
    margin: 0;
    flex-wrap: wrap;
}

.breadcrumb-custom a {
    color: var(--text-secondary);
    transition: var(--transition-base);
}

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

.breadcrumb-custom .separator {
    color: #B8C5D2;
    font-size: 0.7rem;
}

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

/* ===== 分类H1区 ===== */
.category-hero {
    background: var(--bg-light);
    padding: 32px 0 40px;
    border-bottom: 1px solid var(--border-light);
}

.category-hero-content {
    max-width: 800px;
}

.category-hero h1 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
    line-height: 1.35;
}

.category-hero-desc {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 0;
}

/* ===== 筛选/条件控制条 ===== */
.filter-bar-section {
    padding: 24px 0;
    background: var(--white);
    border-bottom: 1px solid var(--border-light);
    position: sticky;
    top: 68px;
    z-index: 500;
}

.filter-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.filter-btn-group {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.filter-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 8px 18px;
    border-radius: 20px;
    border: 1px solid var(--border-input);
    background: var(--white);
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-base);
    white-space: nowrap;
}

.filter-btn:hover {
    border-color: var(--brand-blue);
    color: var(--brand-blue);
    background: var(--bg-blue-soft-2);
}

.filter-btn.active {
    background: var(--brand-blue);
    border-color: var(--brand-blue);
    color: var(--white);
    font-weight: 600;
}

.filter-date-input {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: 8px;
    border: 1px solid var(--border-input);
    background: var(--white);
    color: var(--text-secondary);
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition-base);
}

.filter-date-input:hover {
    border-color: var(--brand-blue);
}

.filter-date-input i {
    color: var(--brand-blue);
}

.filter-count {
    font-size: 0.82rem;
    color: var(--text-secondary);
    margin-left: auto;
    white-space: nowrap;
}

/* ===== 列表/卡片主体 ===== */
.list-section {
    padding: 48px 0 56px;
    background: var(--white);
}

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

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

.list-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-card-hover);
    border-color: #CBD9E8;
}

.list-card-img {
    position: relative;
    height: 180px;
    overflow: hidden;
    background: var(--bg-blue-soft);
}

.list-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-base);
}

.list-card:hover .list-card-img img {
    transform: scale(1.03);
}

.list-card-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: var(--brand-blue);
    color: var(--white);
    font-size: 0.72rem;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 14px;
    letter-spacing: 0.3px;
}

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

.list-card-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
    line-height: 1.45;
    transition: var(--transition-base);
}

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

.list-card-summary {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 14px;
    flex: 1;
}

.list-card-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.78rem;
    color: var(--text-secondary);
    border-top: 1px solid var(--border-light);
    padding-top: 12px;
    flex-wrap: wrap;
}

.list-card-meta .meta-date {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.list-card-meta .meta-date i {
    color: var(--brand-blue);
    font-size: 0.72rem;
}

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

.meta-tag {
    display: inline-block;
    background: var(--bg-blue-soft);
    color: var(--brand-blue);
    font-size: 0.72rem;
    padding: 2px 10px;
    border-radius: 10px;
    font-weight: 500;
}

.list-card-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--brand-blue);
    margin-top: 10px;
    transition: var(--transition-base);
}

.list-card-link:hover {
    color: var(--brand-blue-hover);
    gap: 8px;
}

/* ===== 查看更多 ===== */
.more-section {
    padding: 0 0 56px;
    background: var(--white);
    text-align: center;
}

.btn-more {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 32px;
    border-radius: var(--radius-btn);
    border: 1px solid var(--brand-blue);
    background: transparent;
    color: var(--brand-blue);
    font-weight: 600;
    font-size: 0.92rem;
    cursor: pointer;
    transition: var(--transition-base);
}

.btn-more:hover {
    background: var(--brand-blue);
    color: var(--white);
    box-shadow: 0 6px 18px rgba(27, 110, 194, 0.2);
}

/* ===== 支撑数据/统计板块 ===== */
.stats-section {
    padding: 56px 0;
    background: var(--bg-light);
}

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

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

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

.stat-number {
    font-family: var(--font-num);
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--brand-blue);
    line-height: 1.2;
    margin-bottom: 6px;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* ===== 相关专题/栏目推荐 ===== */
.related-section {
    padding: 56px 0;
    background: var(--white);
}

.related-card-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
    margin-top: 24px;
}

.related-card {
    background: var(--bg-blue-soft-2);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    padding: 18px 16px;
    text-align: center;
    transition: var(--transition-base);
    cursor: pointer;
}

.related-card:hover {
    border-color: var(--brand-blue);
    background: var(--bg-blue-soft);
    transform: translateY(-2px);
    box-shadow: var(--shadow-card);
}

.related-card-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--brand-blue);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    margin: 0 auto 10px;
}

.related-card-title {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.related-card-desc {
    font-size: 0.72rem;
    color: var(--text-secondary);
}

/* ===== 轻量FAQ ===== */
.faq-section {
    padding: 56px 0;
    background: var(--bg-light);
}

.faq-accordion .accordion-item {
    border: 1px solid var(--border-light);
    border-radius: 12px;
    margin-bottom: 12px;
    background: var(--white);
    box-shadow: 0 2px 8px rgba(27, 110, 194, 0.04);
    overflow: hidden;
}

.faq-accordion .accordion-button {
    font-weight: 600;
    color: var(--text-primary);
    background: var(--white);
    padding: 18px 22px;
    font-size: 0.95rem;
    border: none;
    box-shadow: none;
    transition: var(--transition-base);
}

.faq-accordion .accordion-button:not(.collapsed) {
    background: var(--bg-blue-soft-2);
    color: var(--brand-blue);
    box-shadow: none;
}

.faq-accordion .accordion-button:focus {
    outline: 2px solid var(--brand-blue);
    outline-offset: -2px;
    box-shadow: none;
}

.faq-accordion .accordion-button::after {
    filter: hue-rotate(180deg) saturate(0.6);
    transition: var(--transition-base);
}

.faq-accordion .accordion-body {
    padding: 0 22px 18px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ===== 订阅/关注CTA ===== */
.cta-section {
    padding: 56px 0;
    background: var(--white);
}

.cta-panel {
    max-width: 760px;
    margin: 0 auto;
    background: var(--bg-blue-soft-2);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-panel);
    padding: 40px 36px;
    text-align: center;
    box-shadow: var(--shadow-card);
}

.cta-panel h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.cta-panel p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.cta-form {
    display: flex;
    gap: 10px;
    max-width: 460px;
    margin: 0 auto;
    flex-wrap: wrap;
    justify-content: center;
}

.cta-form input {
    flex: 1;
    min-width: 200px;
    padding: 11px 18px;
    border-radius: var(--radius-input);
    border: 1px solid var(--border-input);
    background: var(--white);
    font-size: 0.9rem;
    transition: var(--transition-base);
}

.cta-form input:focus {
    border-color: var(--brand-blue);
    box-shadow: 0 0 0 3px rgba(27, 110, 194, 0.1);
    outline: none;
}

.btn-cta-primary {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 11px 24px;
    border-radius: var(--radius-btn);
    background: var(--brand-blue);
    color: var(--white);
    font-weight: 600;
    font-size: 0.9rem;
    border: none;
    cursor: pointer;
    transition: var(--transition-base);
    white-space: nowrap;
}

.btn-cta-primary:hover {
    background: var(--brand-blue-hover);
    box-shadow: 0 6px 18px rgba(27, 110, 194, 0.25);
}

/* ===== 页脚 ===== */
.site-footer {
    background: #F0F4F9;
    border-top: 1px solid var(--border-light);
    padding: 56px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1fr;
    gap: 32px;
    padding-bottom: 32px;
}

.footer-brand h4 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.footer-brand h4 span {
    color: var(--brand-blue);
}

.footer-brand p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 0;
}

.footer-col h5 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 14px;
}

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

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

.footer-col ul li a {
    font-size: 0.85rem;
    color: var(--text-secondary);
    transition: var(--transition-base);
}

.footer-col ul li a:hover {
    color: var(--brand-blue);
}

.footer-bottom {
    border-top: 1px solid var(--border-light);
    padding: 18px 0;
    text-align: center;
    font-size: 0.78rem;
    color: var(--text-secondary);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
    .list-card-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

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

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

    .navbar-toggler {
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    .nav-search {
        display: none;
    }

    .btn-nav-cta {
        display: none;
    }

    .category-hero h1 {
        font-size: 1.6rem;
    }

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

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

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

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

@media (max-width: 520px) {
    .container {
        padding: 0 16px;
    }

    .section-padding {
        padding: 44px 0;
    }

    .section-title {
        font-size: 1.35rem;
    }

    .filter-bar {
        gap: 8px;
    }

    .filter-btn-group {
        gap: 6px;
    }

    .filter-btn {
        padding: 6px 12px;
        font-size: 0.78rem;
    }

    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }

    .stat-number {
        font-size: 1.7rem;
    }

    .related-card-grid {
        grid-template-columns: 1fr;
    }

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

    .cta-form input {
        min-width: auto;
        width: 100%;
    }

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

    .list-card-img {
        height: 150px;
    }
}

/* roulang page: category2 */
:root {
            --brand-blue: #1B6EC2;
            --brand-blue-hover: #155A9C;
            --brand-blue-light: #2D7BCB;
            --brand-deep: #0F4C8C;
            --bg-light: #F5F8FB;
            --bg-blue-soft: #E9F0F7;
            --bg-blue-soft-2: #F4F8FC;
            --text-primary: #1A2733;
            --text-secondary: #5A6B7C;
            --border-light: #E1E9F2;
            --border-input: #D2DEEA;
            --accent-yellow: #F0A428;
            --white: #FFFFFF;
            --shadow-card: 0 8px 24px rgba(27, 110, 194, 0.08);
            --shadow-card-hover: 0 12px 32px rgba(27, 110, 194, 0.14);
            --radius-card: 14px;
            --radius-btn: 10px;
            --radius-input: 8px;
            --radius-panel: 18px;
            --section-padding: 56px 0;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-num: "Inter", "Roboto", "Oswald", sans-serif;
            --transition-base: all 0.25s ease;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            color: var(--text-primary);
            background: var(--white);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition-base);
        }
        a:hover {
            text-decoration: none;
            color: var(--brand-blue);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: var(--font-sans);
        }
        button:focus,
        input:focus,
        select:focus,
        textarea:focus {
            outline: 2px solid var(--brand-blue);
            outline-offset: 2px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid #E5EDF5;
            transition: var(--transition-base);
        }
        .site-header.scrolled {
            box-shadow: 0 2px 16px rgba(27, 110, 194, 0.06);
        }
        .navbar {
            padding: 14px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: nowrap;
        }
        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--brand-blue);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .navbar-brand .brand-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--brand-blue) 0%, var(--brand-deep) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.05rem;
            flex-shrink: 0;
        }
        .navbar-brand-text {
            font-size: 1.18rem;
            letter-spacing: 0.5px;
            color: var(--text-primary);
            font-weight: 700;
        }
        .navbar-brand-text span {
            color: var(--brand-blue);
        }
        .navbar-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .navbar-nav::-webkit-scrollbar {
            display: none;
        }
        .nav-item {
            white-space: nowrap;
            flex-shrink: 0;
        }
        .nav-link {
            display: block;
            padding: 8px 14px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 8px;
            transition: var(--transition-base);
            white-space: nowrap;
        }
        .nav-link:hover {
            color: var(--brand-blue);
            background: var(--bg-blue-soft);
        }
        .nav-link.active {
            color: var(--brand-blue);
            background: var(--bg-blue-soft);
            font-weight: 600;
        }
        .navbar-right {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .nav-search {
            display: flex;
            align-items: center;
            background: var(--white);
            border: 1px solid var(--border-input);
            border-radius: 24px;
            padding: 7px 16px;
            gap: 8px;
            cursor: pointer;
            transition: var(--transition-base);
            min-width: 170px;
        }
        .nav-search:hover {
            border-color: var(--brand-blue);
            box-shadow: 0 0 0 3px rgba(27, 110, 194, 0.08);
        }
        .nav-search i {
            color: var(--text-secondary);
            font-size: 0.85rem;
        }
        .nav-search span {
            font-size: 0.85rem;
            color: var(--text-secondary);
            white-space: nowrap;
        }
        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 20px;
            border-radius: var(--radius-btn);
            background: var(--brand-blue);
            color: #fff;
            font-size: 0.9rem;
            font-weight: 600;
            border: none;
            transition: var(--transition-base);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .btn-nav-cta:hover {
            background: var(--brand-blue-hover);
            color: #fff;
            box-shadow: 0 4px 14px rgba(27, 110, 194, 0.25);
        }
        .navbar-toggler {
            display: none;
            border: 1px solid var(--border-light);
            background: var(--white);
            border-radius: 8px;
            padding: 8px 12px;
            color: var(--text-primary);
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition-base);
        }
        .navbar-toggler:hover {
            background: var(--bg-blue-soft);
        }
        .mobile-menu {
            display: none;
            padding: 8px 0 16px;
            border-top: 1px solid var(--border-light);
        }
        .mobile-menu .nav-link {
            display: block;
            padding: 10px 8px;
            font-size: 1rem;
            border-radius: 8px;
        }

        /* ===== 页面头部 ===== */
        .page-header {
            padding: 110px 0 40px;
            background: linear-gradient(180deg, var(--bg-light) 0%, var(--white) 100%);
            border-bottom: 1px solid var(--border-light);
        }
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .breadcrumb-nav a {
            color: var(--text-secondary);
        }
        .breadcrumb-nav a:hover {
            color: var(--brand-blue);
        }
        .breadcrumb-nav i {
            font-size: 0.7rem;
            color: #B0C2D4;
        }
        .page-header-content {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 32px;
            align-items: center;
        }
        .page-header-left h1 {
            font-size: 2.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 14px;
            letter-spacing: -0.5px;
            line-height: 1.3;
        }
        .page-header-left .header-desc {
            font-size: 1rem;
            color: var(--text-secondary);
            margin: 0 0 20px;
            line-height: 1.8;
            max-width: 600px;
        }
        .header-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 16px;
        }
        .header-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 12px;
            border-radius: 20px;
            background: var(--bg-blue-soft);
            color: var(--brand-blue);
            font-size: 0.8rem;
            font-weight: 500;
        }
        .header-tag i {
            font-size: 0.7rem;
        }

        /* 倒计时闪购条 */
        .countdown-panel {
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-panel);
            padding: 22px 24px;
            box-shadow: var(--shadow-card);
        }
        .countdown-panel .cp-label {
            font-size: 0.8rem;
            color: var(--text-secondary);
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .countdown-panel .cp-label i {
            color: var(--accent-yellow);
            font-size: 0.9rem;
        }
        .countdown-panel .cp-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .countdown-panel .cp-desc {
            font-size: 0.88rem;
            color: var(--text-secondary);
            margin-bottom: 16px;
        }
        .countdown-timer {
            display: flex;
            gap: 10px;
            margin-bottom: 16px;
        }
        .countdown-timer .timer-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            background: var(--bg-light);
            border-radius: 10px;
            padding: 8px 14px;
            min-width: 56px;
        }
        .countdown-timer .timer-item span {
            font-family: var(--font-num);
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--brand-deep);
            line-height: 1.2;
        }
        .countdown-timer .timer-item small {
            font-size: 0.68rem;
            color: var(--text-secondary);
            font-weight: 500;
        }
        .btn-grab {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 24px;
            border-radius: var(--radius-btn);
            background: var(--brand-blue);
            color: #fff;
            font-size: 0.9rem;
            font-weight: 600;
            border: none;
            transition: var(--transition-base);
        }
        .btn-grab:hover {
            background: var(--brand-blue-hover);
            color: #fff;
            box-shadow: 0 4px 14px rgba(27, 110, 194, 0.25);
        }

        /* ===== 筛选条 ===== */
        .filter-bar-section {
            background: var(--white);
            padding: 18px 0;
            border-bottom: 1px solid var(--border-light);
            position: relative;
            z-index: 10;
        }
        .filter-bar {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }
        .filter-btn {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 7px 16px;
            border-radius: 24px;
            border: 1px solid var(--border-light);
            background: var(--white);
            color: var(--text-secondary);
            font-size: 0.85rem;
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition-base);
            white-space: nowrap;
        }
        .filter-btn:hover {
            border-color: var(--brand-blue);
            color: var(--brand-blue);
            background: var(--bg-blue-soft-2);
        }
        .filter-btn.active {
            background: var(--brand-blue);
            color: #fff;
            border-color: var(--brand-blue);
        }
        .filter-btn i {
            font-size: 0.7rem;
        }

        /* ===== 列表主体 ===== */
        .list-section {
            padding: 48px 0 56px;
            background: var(--bg-light);
        }
        .list-section .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 28px;
            flex-wrap: wrap;
            gap: 12px;
        }
        .list-section .section-head h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0;
        }
        .list-section .section-head .head-note {
            font-size: 0.85rem;
            color: var(--text-secondary);
        }
        .article-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .article-card {
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .article-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(27, 110, 194, 0.2);
        }
        .article-card .card-cover {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--bg-blue-soft-2);
        }
        .article-card .card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition-base);
        }
        .article-card:hover .card-cover img {
            transform: scale(1.04);
        }
        .article-card .card-cover::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 40%;
            background: linear-gradient(180deg, transparent 0%, rgba(26, 39, 51, 0.35) 100%);
            pointer-events: none;
        }
        .article-card .card-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .article-card .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.78rem;
            color: var(--text-secondary);
            margin-bottom: 10px;
        }
        .article-card .card-meta .meta-tag {
            display: inline-block;
            padding: 2px 10px;
            border-radius: 12px;
            background: var(--bg-blue-soft);
            color: var(--brand-blue);
            font-weight: 500;
        }
        .article-card .card-title {
            font-size: 1.08rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 10px;
            line-height: 1.5;
        }
        .article-card .card-title a {
            color: inherit;
        }
        .article-card .card-title a:hover {
            color: var(--brand-blue);
        }
        .article-card .card-excerpt {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 14px;
            flex: 1;
        }
        .article-card .card-readmore {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--brand-blue);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: var(--transition-base);
        }
        .article-card .card-readmore:hover {
            color: var(--brand-blue-hover);
            gap: 8px;
        }

        /* ===== 查看更多 ===== */
        .load-more-section {
            text-align: center;
            padding: 0 0 48px;
            background: var(--bg-light);
        }
        .btn-load-more {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            background: var(--brand-blue);
            color: #fff;
            font-size: 0.9rem;
            font-weight: 600;
            border: none;
            transition: var(--transition-base);
        }
        .btn-load-more:hover {
            background: var(--brand-blue-hover);
            color: #fff;
            box-shadow: 0 4px 14px rgba(27, 110, 194, 0.25);
        }

        /* ===== 统计板块 ===== */
        .stats-section {
            padding: 52px 0;
            background: var(--white);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }
        .stats-section .section-head {
            text-align: center;
            margin-bottom: 32px;
        }
        .stats-section .section-head h2 {
            font-size: 1.45rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 8px;
        }
        .stats-section .section-head p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin: 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-card {
            background: var(--bg-light);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            text-align: center;
            transition: var(--transition-base);
        }
        .stat-card:hover {
            background: var(--bg-blue-soft-2);
            border-color: rgba(27, 110, 194, 0.2);
        }
        .stat-card .stat-num {
            font-family: var(--font-num);
            font-size: 2rem;
            font-weight: 700;
            color: var(--brand-deep);
            line-height: 1.3;
            margin-bottom: 4px;
        }
        .stat-card .stat-label {
            font-size: 0.82rem;
            color: var(--text-secondary);
            font-weight: 500;
        }

        /* ===== 相关专题推荐 ===== */
        .related-section {
            padding: 52px 0;
            background: var(--bg-light);
        }
        .related-section .section-head {
            margin-bottom: 26px;
        }
        .related-section .section-head h2 {
            font-size: 1.45rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .related-card {
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 18px 16px;
            transition: var(--transition-base);
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .related-card:hover {
            border-color: rgba(27, 110, 194, 0.25);
            box-shadow: var(--shadow-card);
            transform: translateY(-2px);
        }
        .related-card .rc-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: var(--bg-blue-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--brand-blue);
            font-size: 1rem;
            flex-shrink: 0;
        }
        .related-card .rc-info h3 {
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0 0 4px;
        }
        .related-card .rc-info p {
            font-size: 0.76rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.5;
        }

        /* ===== FAQ 小知识 ===== */
        .faq-mini-section {
            padding: 52px 0;
            background: var(--white);
            border-top: 1px solid var(--border-light);
        }
        .faq-mini-section .section-head {
            text-align: center;
            margin-bottom: 28px;
        }
        .faq-mini-section .section-head h2 {
            font-size: 1.45rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 6px;
        }
        .faq-mini-section .section-head p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin: 0;
        }
        .faq-mini-list {
            max-width: 780px;
            margin: 0 auto;
        }
        .faq-mini-item {
            border: 1px solid var(--border-light);
            border-radius: 12px;
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition-base);
        }
        .faq-mini-item:hover {
            border-color: rgba(27, 110, 194, 0.2);
        }
        .faq-mini-item .faq-q {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 16px 20px;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-primary);
            cursor: pointer;
            background: var(--white);
            transition: var(--transition-base);
            margin: 0;
            border: none;
            width: 100%;
            text-align: left;
        }
        .faq-mini-item .faq-q i {
            color: var(--brand-blue);
            font-size: 0.8rem;
            transition: var(--transition-base);
        }
        .faq-mini-item.open .faq-q i {
            transform: rotate(90deg);
        }
        .faq-mini-item .faq-a {
            display: none;
            padding: 0 20px 18px 50px;
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.8;
        }
        .faq-mini-item.open .faq-a {
            display: block;
        }

        /* ===== 订阅 CTA ===== */
        .subscribe-section {
            padding: 52px 0;
            background: var(--bg-light);
            border-top: 1px solid var(--border-light);
        }
        .subscribe-panel {
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-panel);
            padding: 36px 32px;
            text-align: center;
            box-shadow: var(--shadow-card);
        }
        .subscribe-panel h2 {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 8px;
        }
        .subscribe-panel p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin: 0 auto 22px;
            max-width: 480px;
            line-height: 1.7;
        }
        .subscribe-form {
            display: flex;
            gap: 10px;
            max-width: 420px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }
        .subscribe-form input {
            flex: 1;
            min-width: 200px;
            padding: 10px 16px;
            border: 1px solid var(--border-input);
            border-radius: var(--radius-input);
            font-size: 0.88rem;
            color: var(--text-primary);
            transition: var(--transition-base);
        }
        .subscribe-form input:focus {
            border-color: var(--brand-blue);
            box-shadow: 0 0 0 3px rgba(27, 110, 194, 0.08);
            outline: none;
        }
        .btn-subscribe {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 24px;
            border-radius: var(--radius-btn);
            background: var(--brand-blue);
            color: #fff;
            font-size: 0.88rem;
            font-weight: 600;
            border: none;
            transition: var(--transition-base);
            cursor: pointer;
        }
        .btn-subscribe:hover {
            background: var(--brand-blue-hover);
            box-shadow: 0 4px 14px rgba(27, 110, 194, 0.25);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-light);
            border-top: 1px solid var(--border-light);
            padding: 48px 0 24px;
            color: var(--text-primary);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand h4 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 12px;
        }
        .footer-brand h4 span {
            color: var(--brand-blue);
        }
        .footer-brand p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }
        .footer-col h5 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0 0 14px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 0.85rem;
            color: var(--text-secondary);
            transition: var(--transition-base);
        }
        .footer-col ul li a:hover {
            color: var(--brand-blue);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-light);
            padding-top: 20px;
            text-align: center;
            font-size: 0.82rem;
            color: var(--text-secondary);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .page-header-content {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
        }
        @media (max-width: 768px) {
            .navbar-toggler {
                display: block;
            }
            .navbar-nav {
                display: none;
            }
            .mobile-menu {
                display: block;
            }
            .mobile-menu.open {
                display: block;
            }
            .nav-search {
                display: none;
            }
            .article-list {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .related-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .filter-bar {
                gap: 6px;
            }
            .filter-btn {
                padding: 6px 12px;
                font-size: 0.78rem;
            }
            .page-header {
                padding: 96px 0 32px;
            }
            .page-header-left h1 {
                font-size: 1.6rem;
            }
            .countdown-panel {
                padding: 16px 18px;
            }
            .countdown-timer .timer-item {
                min-width: 44px;
                padding: 6px 10px;
            }
            .countdown-timer .timer-item span {
                font-size: 1.1rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .subscribe-form {
                flex-direction: column;
                align-items: center;
            }
            .subscribe-form input {
                width: 100%;
            }
        }
        @media (max-width: 576px) {
            .container {
                padding: 0 16px;
            }
            .stats-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .article-card .card-body {
                padding: 14px 16px 18px;
            }
            .article-card .card-title {
                font-size: 0.98rem;
            }
            .page-header-content {
                gap: 18px;
            }
            .header-tag {
                font-size: 0.75rem;
                padding: 3px 8px;
            }
            .countdown-timer {
                gap: 6px;
            }
            .countdown-timer .timer-item {
                min-width: 38px;
            }
            .btn-grab,
            .btn-subscribe {
                width: 100%;
                justify-content: center;
            }
        }

/* roulang page: category3 */
:root {
            --brand-blue: #1B6EC2;
            --brand-blue-hover: #155A9C;
            --brand-blue-light: #2D7BCB;
            --brand-deep: #0F4C8C;
            --bg-light: #F5F8FB;
            --bg-blue-soft: #E9F0F7;
            --bg-blue-soft-2: #F4F8FC;
            --text-primary: #1A2733;
            --text-secondary: #5A6B7C;
            --border-light: #E1E9F2;
            --border-input: #D2DEEA;
            --accent-yellow: #F0A428;
            --white: #FFFFFF;
            --shadow-card: 0 8px 24px rgba(27, 110, 194, 0.08);
            --shadow-card-hover: 0 12px 32px rgba(27, 110, 194, 0.14);
            --radius-card: 14px;
            --radius-btn: 10px;
            --radius-input: 8px;
            --radius-panel: 18px;
            --section-padding: 72px 0;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-num: "Inter", "Roboto", "Oswald", sans-serif;
            --transition-base: all 0.25s ease;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            color: var(--text-primary);
            background: var(--white);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition-base);
        }
        a:hover {
            text-decoration: none;
            color: var(--brand-blue);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: var(--font-sans);
        }
        button:focus,
        input:focus,
        select:focus,
        textarea:focus {
            outline: 2px solid var(--brand-blue);
            outline-offset: 2px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid #E5EDF5;
            transition: var(--transition-base);
        }
        .site-header.scrolled {
            box-shadow: 0 2px 16px rgba(27, 110, 194, 0.06);
        }
        .navbar {
            padding: 14px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: nowrap;
        }
        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--brand-blue);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .navbar-brand .brand-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--brand-blue) 0%, var(--brand-deep) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.05rem;
            flex-shrink: 0;
        }
        .navbar-brand-text {
            font-size: 1.18rem;
            letter-spacing: 0.5px;
            color: var(--text-primary);
            font-weight: 700;
        }
        .navbar-brand-text span {
            color: var(--brand-blue);
        }
        .navbar-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .navbar-nav::-webkit-scrollbar {
            display: none;
        }
        .nav-item {
            white-space: nowrap;
            flex-shrink: 0;
        }
        .nav-link {
            display: block;
            padding: 8px 14px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 8px;
            transition: var(--transition-base);
            white-space: nowrap;
        }
        .nav-link:hover {
            color: var(--brand-blue);
            background: var(--bg-blue-soft);
        }
        .nav-link.active {
            color: var(--brand-blue);
            background: var(--bg-blue-soft);
            font-weight: 600;
        }
        .navbar-right {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .nav-search {
            display: flex;
            align-items: center;
            background: var(--white);
            border: 1px solid var(--border-input);
            border-radius: 24px;
            padding: 7px 16px;
            gap: 8px;
            cursor: pointer;
            transition: var(--transition-base);
            min-width: 180px;
        }
        .nav-search:hover {
            border-color: var(--brand-blue);
            box-shadow: 0 0 0 3px rgba(27, 110, 194, 0.08);
        }
        .nav-search i {
            color: var(--text-secondary);
            font-size: 0.85rem;
        }
        .nav-search span {
            font-size: 0.85rem;
            color: var(--text-secondary);
            white-space: nowrap;
        }
        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 20px;
            border-radius: var(--radius-btn);
            background: var(--brand-blue);
            color: var(--white);
            font-size: 0.9rem;
            font-weight: 600;
            border: none;
            cursor: pointer;
            white-space: nowrap;
            transition: var(--transition-base);
        }
        .btn-nav-cta:hover {
            background: var(--brand-blue-hover);
            color: var(--white);
            box-shadow: 0 4px 12px rgba(27, 110, 194, 0.25);
        }
        .navbar-toggler {
            display: none;
            background: none;
            border: 1px solid var(--border-input);
            border-radius: 8px;
            padding: 8px 12px;
            color: var(--text-primary);
            cursor: pointer;
            font-size: 1.1rem;
            align-items: center;
            justify-content: center;
        }
        .mobile-menu {
            display: none;
            background: var(--white);
            border-top: 1px solid var(--border-light);
            padding: 12px 0;
            flex-direction: column;
            gap: 4px;
        }
        .mobile-menu .nav-link {
            padding: 10px 16px;
            display: block;
            font-size: 1rem;
        }

        /* ===== 面包屑 ===== */
        .breadcrumb-bar {
            padding: 32px 0 20px;
            margin-top: 68px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            border-bottom: 1px solid var(--border-light);
        }
        .breadcrumb-bar a {
            color: var(--brand-blue);
        }
        .breadcrumb-bar a:hover {
            text-decoration: underline;
        }
        .breadcrumb-sep {
            margin: 0 8px;
            color: #B0BFCC;
        }

        /* ===== 分类页 ===== */
        .category-hero {
            padding: 48px 0 28px;
            background: linear-gradient(180deg, var(--bg-blue-soft-2) 0%, var(--white) 100%);
        }
        .category-hero h1 {
            font-size: 2.3rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .category-hero .cat-desc {
            font-size: 1.06rem;
            color: var(--text-secondary);
            max-width: 780px;
            line-height: 1.85;
            margin-bottom: 0;
        }
        .category-hero .cat-stats-inline {
            display: inline-flex;
            gap: 20px;
            flex-wrap: wrap;
            font-size: 0.88rem;
            color: var(--text-secondary);
            margin-top: 18px;
        }
        .category-hero .cat-stats-inline span {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .category-hero .cat-stats-inline i {
            color: var(--brand-blue);
        }

        /* 筛选条 */
        .filter-bar {
            padding: 16px 0;
            border-bottom: 1px solid var(--border-light);
            background: var(--white);
        }
        .filter-bar .filter-row {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
        }
        .filter-bar .filter-label {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--text-primary);
            white-space: nowrap;
        }
        .filter-bar .filter-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 20px;
            border: 1px solid var(--border-input);
            background: var(--white);
            font-size: 0.85rem;
            color: var(--text-secondary);
            cursor: pointer;
            transition: var(--transition-base);
            white-space: nowrap;
        }
        .filter-bar .filter-btn:hover {
            border-color: var(--brand-blue);
            color: var(--brand-blue);
            background: var(--bg-blue-soft);
        }
        .filter-bar .filter-btn.active {
            background: var(--brand-blue);
            border-color: var(--brand-blue);
            color: var(--white);
            font-weight: 500;
        }
        .filter-bar .filter-select {
            border: 1px solid var(--border-input);
            border-radius: 8px;
            padding: 7px 12px;
            font-size: 0.85rem;
            color: var(--text-secondary);
            background: var(--white);
            cursor: pointer;
            transition: var(--transition-base);
            min-width: 130px;
        }
        .filter-bar .filter-select:hover {
            border-color: var(--brand-blue);
            box-shadow: 0 0 0 3px rgba(27, 110, 194, 0.08);
        }

        /* 列表主体 */
        .list-section {
            padding: 48px 0 20px;
            background: var(--bg-light);
        }
        .list-section .section-heading-row {
            display: flex;
            align-items: baseline;
            justify-content: space-between;
            margin-bottom: 28px;
            flex-wrap: wrap;
            gap: 12px;
        }
        .list-section .section-heading-row h2 {
            font-size: 1.45rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0;
        }
        .list-section .section-heading-row .count-hint {
            font-size: 0.88rem;
            color: var(--text-secondary);
        }
        .info-list-card {
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 22px 24px;
            margin-bottom: 18px;
            display: flex;
            gap: 20px;
            transition: var(--transition-base);
            cursor: pointer;
        }
        .info-list-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: #C8D9EC;
        }
        .info-list-card .card-thumb {
            width: 140px;
            min-width: 140px;
            height: 96px;
            border-radius: 10px;
            overflow: hidden;
            flex-shrink: 0;
            background: var(--bg-blue-soft);
        }
        .info-list-card .card-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .info-list-card .card-body-content {
            flex: 1;
            min-width: 0;
        }
        .info-list-card .card-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.5;
            transition: var(--transition-base);
        }
        .info-list-card:hover .card-title {
            color: var(--brand-blue);
        }
        .info-list-card .card-excerpt {
            font-size: 0.92rem;
            color: var(--text-secondary);
            margin-bottom: 12px;
            line-height: 1.65;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .info-list-card .card-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
        }
        .info-list-card .card-tag {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 12px;
            font-size: 0.76rem;
            font-weight: 600;
            background: var(--bg-blue-soft);
            color: var(--brand-blue);
            letter-spacing: 0.3px;
        }
        .info-list-card .card-tag.hot {
            background: #FFF5E0;
            color: #C77A10;
        }
        .info-list-card .card-date {
            font-size: 0.82rem;
            color: #8CA0B3;
            white-space: nowrap;
        }
        .info-list-card .card-read-more {
            font-size: 0.88rem;
            color: var(--brand-blue);
            font-weight: 500;
            white-space: nowrap;
            margin-left: auto;
        }

        /* 查看更多按钮区 */
        .load-more-section {
            padding: 16px 0 56px;
            background: var(--bg-light);
            text-align: center;
        }
        .btn-load-more {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            border-radius: var(--radius-btn);
            background: var(--white);
            border: 1px solid var(--border-input);
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--brand-blue);
            cursor: pointer;
            transition: var(--transition-base);
        }
        .btn-load-more:hover {
            background: var(--bg-blue-soft);
            border-color: var(--brand-blue);
            box-shadow: 0 4px 12px rgba(27, 110, 194, 0.12);
        }

        /* 统计板块 */
        .stats-section {
            padding: 56px 0;
            background: var(--white);
        }
        .stats-section .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stats-section .stats-card {
            background: var(--bg-blue-soft-2);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 24px 22px;
            text-align: center;
            transition: var(--transition-base);
        }
        .stats-section .stats-card:hover {
            box-shadow: var(--shadow-card);
        }
        .stats-section .stats-number {
            font-family: var(--font-num);
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--brand-blue);
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .stats-section .stats-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            font-weight: 500;
        }

        /* 相关专题 */
        .related-section {
            padding: 56px 0;
            background: var(--bg-light);
        }
        .related-section .section-heading {
            font-size: 1.45rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 24px;
        }
        .related-section .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .related-section .related-card {
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 20px 22px;
            transition: var(--transition-base);
            display: block;
        }
        .related-section .related-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .related-section .related-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .related-section .related-card p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            margin-bottom: 0;
            line-height: 1.6;
        }
        .related-section .related-card .card-arrow {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.86rem;
            color: var(--brand-blue);
            font-weight: 500;
            margin-top: 10px;
        }

        /* FAQ */
        .faq-section {
            padding: 56px 0;
            background: var(--white);
        }
        .faq-section .section-heading {
            font-size: 1.45rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 24px;
        }
        .faq-section .accordion-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: none;
        }
        .faq-section .accordion-button {
            background: var(--white);
            color: var(--text-primary);
            font-weight: 600;
            font-size: 0.98rem;
            padding: 18px 22px;
            border: none;
            box-shadow: none;
        }
        .faq-section .accordion-button:not(.collapsed) {
            background: var(--bg-blue-soft-2);
            color: var(--brand-blue);
            box-shadow: none;
        }
        .faq-section .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(27, 110, 194, 0.12);
            border: none;
        }
        .faq-section .accordion-body {
            font-size: 0.93rem;
            color: var(--text-secondary);
            line-height: 1.75;
            padding: 16px 22px 22px;
        }

        /* CTA */
        .cta-section {
            padding: 56px 0;
            background: linear-gradient(135deg, var(--bg-blue-soft) 0%, var(--bg-blue-soft-2) 100%);
        }
        .cta-section .cta-panel {
            background: var(--white);
            border-radius: var(--radius-panel);
            padding: 36px 32px;
            text-align: center;
            box-shadow: var(--shadow-card);
            max-width: 720px;
            margin: 0 auto;
        }
        .cta-section .cta-panel h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
        }
        .cta-section .cta-panel p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 24px;
        }
        .cta-section .cta-form {
            display: flex;
            gap: 12px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .cta-section .cta-input {
            padding: 11px 18px;
            border: 1px solid var(--border-input);
            border-radius: var(--radius-input);
            font-size: 0.92rem;
            min-width: 280px;
            background: var(--white);
            transition: var(--transition-base);
        }
        .cta-section .cta-input:focus {
            border-color: var(--brand-blue);
            box-shadow: 0 0 0 3px rgba(27, 110, 194, 0.08);
            outline: none;
        }
        .cta-section .btn-cta-primary {
            padding: 11px 28px;
            border-radius: var(--radius-btn);
            background: var(--brand-blue);
            color: var(--white);
            font-size: 0.95rem;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--transition-base);
            white-space: nowrap;
        }
        .cta-section .btn-cta-primary:hover {
            background: var(--brand-blue-hover);
            box-shadow: 0 4px 12px rgba(27, 110, 194, 0.25);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #F1F5FA;
            border-top: 1px solid var(--border-light);
            padding: 52px 0 24px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 36px;
        }
        .footer-brand h4 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--brand-blue);
            margin-bottom: 12px;
        }
        .footer-brand h4 span {
            color: var(--brand-blue);
        }
        .footer-brand p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
            max-width: 300px;
        }
        .footer-col h5 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 0.87rem;
            color: var(--text-secondary);
            transition: var(--transition-base);
        }
        .footer-col ul li a:hover {
            color: var(--brand-blue);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-light);
            padding-top: 20px;
            font-size: 0.82rem;
            color: var(--text-secondary);
            text-align: center;
            letter-spacing: 0.3px;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 992px) {
            .navbar-nav {
                display: none;
            }
            .navbar-toggler {
                display: flex;
            }
            .mobile-menu.show {
                display: flex;
            }
            .nav-search {
                min-width: auto;
                padding: 7px 12px;
            }
            .nav-search span {
                display: none;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .stats-section .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .related-section .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .category-hero h1 {
                font-size: 1.9rem;
            }
        }
        @media (max-width: 768px) {
            .navbar-right .btn-nav-cta {
                display: none;
            }
            .filter-bar .filter-row {
                gap: 8px;
            }
            .filter-bar .filter-btn {
                padding: 7px 12px;
                font-size: 0.8rem;
            }
            .info-list-card {
                flex-direction: column;
                padding: 18px 16px;
                gap: 14px;
            }
            .info-list-card .card-thumb {
                width: 100%;
                min-width: auto;
                height: 170px;
            }
            .info-list-card .card-read-more {
                margin-left: 0;
            }
            .category-hero {
                padding: 32px 0 20px;
            }
            .category-hero h1 {
                font-size: 1.6rem;
            }
            .stats-section .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .stats-section .stats-number {
                font-size: 1.8rem;
            }
            .cta-section .cta-form {
                flex-direction: column;
                align-items: center;
            }
            .cta-section .cta-input {
                min-width: auto;
                width: 100%;
                max-width: 380px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .navbar {
                gap: 12px;
            }
            .navbar-brand-text {
                font-size: 1.02rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .related-section .related-grid {
                grid-template-columns: 1fr;
            }
            .stats-section .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stats-section .stats-card {
                padding: 16px 12px;
            }
            .stats-section .stats-number {
                font-size: 1.5rem;
            }
            .category-hero h1 {
                font-size: 1.4rem;
            }
            .category-hero .cat-desc {
                font-size: 0.95rem;
            }
            .filter-bar .filter-btn {
                padding: 6px 10px;
                font-size: 0.76rem;
            }
            .filter-bar .filter-label {
                font-size: 0.8rem;
            }
            .info-list-card .card-thumb {
                height: 140px;
            }
            .info-list-card .card-title {
                font-size: 1rem;
            }
            .cta-section .cta-panel {
                padding: 24px 18px;
            }
            .cta-section .cta-panel h2 {
                font-size: 1.25rem;
            }
        }

/* roulang page: category4 */
:root {
            --brand-blue: #1B6EC2;
            --brand-blue-hover: #155A9C;
            --brand-blue-light: #2D7BCB;
            --brand-deep: #0F4C8C;
            --bg-light: #F5F8FB;
            --bg-blue-soft: #E9F0F7;
            --bg-blue-soft-2: #F4F8FC;
            --text-primary: #1A2733;
            --text-secondary: #5A6B7C;
            --border-light: #E1E9F2;
            --border-input: #D2DEEA;
            --accent-yellow: #F0A428;
            --white: #FFFFFF;
            --shadow-card: 0 8px 24px rgba(27, 110, 194, 0.08);
            --shadow-card-hover: 0 12px 32px rgba(27, 110, 194, 0.14);
            --radius-card: 14px;
            --radius-btn: 10px;
            --radius-input: 8px;
            --radius-panel: 18px;
            --section-padding: 56px 0;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-num: "Inter", "Roboto", "Oswald", sans-serif;
            --transition-base: all 0.25s ease;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            color: var(--text-primary);
            background: var(--white);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition-base);
        }
        a:hover {
            text-decoration: none;
            color: var(--brand-blue);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, select, textarea {
            font-family: var(--font-sans);
        }
        button:focus, input:focus, select:focus, textarea:focus {
            outline: 2px solid var(--brand-blue);
            outline-offset: 2px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid #E5EDF5;
            transition: var(--transition-base);
        }
        .site-header.scrolled {
            box-shadow: 0 2px 16px rgba(27, 110, 194, 0.06);
        }
        .navbar {
            padding: 14px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: nowrap;
        }
        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--brand-blue);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .navbar-brand .brand-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--brand-blue) 0%, var(--brand-deep) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.05rem;
            flex-shrink: 0;
        }
        .navbar-brand-text {
            font-size: 1.18rem;
            letter-spacing: 0.5px;
            color: var(--text-primary);
            font-weight: 700;
        }
        .navbar-brand-text span {
            color: var(--brand-blue);
        }
        .navbar-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .navbar-nav::-webkit-scrollbar {
            display: none;
        }
        .nav-item {
            white-space: nowrap;
            flex-shrink: 0;
        }
        .nav-link {
            display: block;
            padding: 8px 14px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 8px;
            transition: var(--transition-base);
            white-space: nowrap;
        }
        .nav-link:hover {
            color: var(--brand-blue);
            background: var(--bg-blue-soft);
        }
        .nav-link.active {
            color: var(--brand-blue);
            background: var(--bg-blue-soft);
            font-weight: 600;
        }
        .navbar-right {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .nav-search {
            display: flex;
            align-items: center;
            background: var(--white);
            border: 1px solid var(--border-input);
            border-radius: 24px;
            padding: 7px 16px;
            gap: 8px;
            cursor: pointer;
            transition: var(--transition-base);
            min-width: 180px;
        }
        .nav-search:hover {
            border-color: var(--brand-blue);
            box-shadow: 0 0 0 3px rgba(27, 110, 194, 0.08);
        }
        .nav-search i {
            color: var(--text-secondary);
            font-size: 0.85rem;
        }
        .nav-search span {
            font-size: 0.85rem;
            color: var(--text-secondary);
            white-space: nowrap;
        }
        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 20px;
            border-radius: var(--radius-btn);
            background: var(--brand-blue);
            color: #fff;
            font-size: 0.9rem;
            font-weight: 500;
            white-space: nowrap;
            transition: var(--transition-base);
            border: none;
            cursor: pointer;
        }
        .btn-nav-cta:hover {
            background: var(--brand-blue-hover);
            color: #fff;
            box-shadow: 0 4px 14px rgba(27, 110, 194, 0.25);
        }
        .navbar-toggler {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.3rem;
            cursor: pointer;
            padding: 6px 10px;
            border-radius: 8px;
            transition: var(--transition-base);
        }
        .navbar-toggler:hover {
            background: var(--bg-blue-soft);
            color: var(--brand-blue);
        }
        .mobile-menu {
            display: none;
            padding: 12px 0 20px;
            background: #fff;
            border-top: 1px solid var(--border-light);
            flex-direction: column;
            gap: 4px;
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu .nav-link {
            display: block;
            padding: 10px 16px;
            font-size: 0.95rem;
        }

        /* ===== 面包屑 ===== */
        .breadcrumb-section {
            padding: 96px 0 16px;
            background: var(--bg-light);
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin: 0;
            padding: 0;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb li + li::before {
            content: "/";
            color: var(--border-light);
            font-size: 0.8rem;
        }
        .breadcrumb a {
            color: var(--text-secondary);
            transition: var(--transition-base);
        }
        .breadcrumb a:hover {
            color: var(--brand-blue);
        }
        .breadcrumb .current {
            color: var(--brand-blue);
            font-weight: 500;
        }

        /* ===== H1区 ===== */
        .category-hero {
            background: var(--bg-light);
            padding: 24px 0 48px;
        }
        .category-hero-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .category-hero-text h1 {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 16px;
            line-height: 1.3;
        }
        .category-hero-text h1 span {
            color: var(--brand-blue);
        }
        .category-hero-desc {
            color: var(--text-secondary);
            font-size: 1rem;
            line-height: 1.8;
            margin: 0 0 24px;
        }
        .category-hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            color: var(--text-secondary);
            font-size: 0.9rem;
        }
        .category-hero-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .category-hero-meta i {
            color: var(--brand-blue);
        }
        .category-hero-card {
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-panel);
            box-shadow: var(--shadow-card);
            padding: 24px;
            display: flex;
            flex-direction: column;
            gap: 18px;
        }
        .category-hero-card .hero-card-label {
            font-size: 0.8rem;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: var(--brand-blue);
            font-weight: 600;
        }
        .hero-score-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: var(--bg-blue-soft-2);
            border-radius: var(--radius-card);
            padding: 16px 18px;
        }
        .hero-score-team {
            text-align: center;
            flex: 1;
        }
        .hero-score-team .team-name {
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--text-primary);
            font-size: 0.95rem;
        }
        .hero-score-team .team-goals {
            font-family: var(--font-num);
            font-size: 2rem;
            font-weight: 700;
            color: var(--brand-deep);
            line-height: 1.2;
        }
        .hero-score-divider {
            padding: 0 12px;
            color: var(--text-secondary);
            font-size: 0.85rem;
            text-align: center;
        }
        .hero-card-footer {
            display: flex;
            justify-content: space-between;
            font-size: 0.85rem;
            color: var(--text-secondary);
            border-top: 1px dashed var(--border-light);
            padding-top: 14px;
        }

        /* ===== 筛选控制条 ===== */
        .filter-section {
            padding: 28px 0 12px;
            background: var(--white);
            border-bottom: 1px solid var(--border-light);
        }
        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
        }
        .filter-label {
            font-weight: 600;
            color: var(--text-primary);
            margin-right: 4px;
            white-space: nowrap;
        }
        .filter-group {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .filter-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 999px;
            border: 1px solid var(--border-input);
            background: var(--white);
            color: var(--text-secondary);
            font-size: 0.85rem;
            cursor: pointer;
            transition: var(--transition-base);
            white-space: nowrap;
        }
        .filter-btn:hover {
            border-color: var(--brand-blue);
            color: var(--brand-blue);
            background: var(--bg-blue-soft-2);
        }
        .filter-btn.active {
            background: var(--brand-blue);
            border-color: var(--brand-blue);
            color: #fff;
            font-weight: 500;
            box-shadow: 0 4px 10px rgba(27, 110, 194, 0.2);
        }
        .filter-btn i {
            font-size: 0.8rem;
        }

        /* ===== 列表卡片 ===== */
        .list-section {
            padding: 40px 0;
            background: var(--bg-light);
        }
        .list-card-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 20px;
        }
        .list-card {
            grid-column: span 2;
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .list-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(27, 110, 194, 0.25);
        }
        .list-card-img {
            position: relative;
            height: 160px;
            background: var(--bg-blue-soft);
            overflow: hidden;
        }
        .list-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .list-card:hover .list-card-img img {
            transform: scale(1.03);
        }
        .list-card-img .badge-overlay {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(255,255,255,0.92);
            color: var(--brand-blue);
            border-radius: 6px;
            padding: 4px 10px;
            font-size: 0.75rem;
            font-weight: 600;
            backdrop-filter: blur(4px);
        }
        .list-card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .list-card-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
            line-height: 1.5;
            transition: var(--transition-base);
        }
        .list-card-title:hover {
            color: var(--brand-blue);
        }
        .list-card-desc {
            color: var(--text-secondary);
            font-size: 0.88rem;
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }
        .list-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.78rem;
            color: var(--text-secondary);
            border-top: 1px solid var(--border-light);
            padding-top: 12px;
            gap: 12px;
            flex-wrap: wrap;
        }
        .list-card-meta .date {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .list-card-meta .read-link {
            color: var(--brand-blue);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            white-space: nowrap;
        }
        .list-card-meta .read-link:hover {
            color: var(--brand-blue-hover);
        }

        /* ===== 查看更多区 ===== */
        .more-section {
            padding: 16px 0 48px;
            background: var(--bg-light);
            text-align: center;
        }
        .btn-outline-brand {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 28px;
            border-radius: var(--radius-btn);
            border: 1px solid var(--brand-blue);
            background: transparent;
            color: var(--brand-blue);
            font-weight: 500;
            transition: var(--transition-base);
            cursor: pointer;
        }
        .btn-outline-brand:hover {
            background: var(--bg-blue-soft-2);
            border-color: var(--brand-blue-hover);
            color: var(--brand-blue-hover);
            box-shadow: 0 4px 12px rgba(27,110,194,0.1);
        }

        /* ===== 统计卡 ===== */
        .stats-section {
            padding: 48px 0;
            background: var(--white);
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-card {
            background: var(--bg-blue-soft-2);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 24px 18px;
            text-align: center;
        }
        .stat-number {
            font-family: var(--font-num);
            font-size: 2rem;
            font-weight: 700;
            color: var(--brand-deep);
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .stat-label {
            font-size: 0.85rem;
            color: var(--text-secondary);
        }

        /* ===== 相关专题 ===== */
        .related-section {
            padding: 48px 0;
            background: var(--bg-light);
        }
        .related-card {
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 16px;
            transition: var(--transition-base);
            display: flex;
            gap: 14px;
            align-items: center;
        }
        .related-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(27,110,194,0.25);
            transform: translateY(-2px);
        }
        .related-card-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: var(--bg-blue-soft);
            color: var(--brand-blue);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .related-card-text h6 {
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--text-primary);
        }
        .related-card-text p {
            font-size: 0.8rem;
            color: var(--text-secondary);
            margin: 0;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 48px 0;
            background: var(--white);
        }
        .faq-accordion .accordion-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            background: var(--white);
            margin-bottom: 12px;
            overflow: hidden;
        }
        .faq-accordion .accordion-header {
            margin: 0;
        }
        .faq-accordion .accordion-button {
            background: var(--white);
            color: var(--text-primary);
            font-weight: 600;
            padding: 18px 20px;
            border: none;
            box-shadow: none;
            border-radius: 0;
            font-size: 0.95rem;
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            background: var(--bg-blue-soft-2);
            color: var(--brand-deep);
            box-shadow: none;
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: none;
            outline: 2px solid var(--brand-blue);
            outline-offset: -2px;
        }
        .faq-accordion .accordion-body {
            padding: 16px 20px;
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.8;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 48px 0 64px;
            background: var(--bg-light);
        }
        .cta-panel {
            background: var(--bg-blue-soft-2);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-panel);
            padding: 36px 32px;
            box-shadow: var(--shadow-card);
        }
        .cta-title {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
        }
        .cta-desc {
            color: var(--text-secondary);
            font-size: 0.95rem;
            margin-bottom: 20px;
        }
        .btn-primary-brand {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            border-radius: var(--radius-btn);
            background: var(--brand-blue);
            border: none;
            color: #fff;
            font-weight: 500;
            transition: var(--transition-base);
            cursor: pointer;
        }
        .btn-primary-brand:hover {
            background: var(--brand-blue-hover);
            color: #fff;
            box-shadow: 0 4px 14px rgba(27,110,194,0.25);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-light);
            border-top: 1px solid var(--border-light);
            padding: 48px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 32px;
        }
        .footer-brand h4 {
            font-size: 1.05rem;
            margin-bottom: 12px;
            color: var(--text-primary);
        }
        .footer-brand h4 span {
            color: var(--brand-blue);
        }
        .footer-brand p {
            color: var(--text-secondary);
            font-size: 0.85rem;
            line-height: 1.7;
            margin: 0;
        }
        .footer-col h5 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: var(--text-secondary);
            font-size: 0.85rem;
            transition: var(--transition-base);
        }
        .footer-col ul li a:hover {
            color: var(--brand-blue);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-light);
            padding: 16px 0;
            text-align: center;
            color: var(--text-secondary);
            font-size: 0.8rem;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .list-card-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .list-card {
                grid-column: span 1;
            }
            .stat-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .category-hero-inner {
                grid-template-columns: 1fr;
            }
            .category-hero-card {
                order: -1;
            }
        }
        @media (max-width: 768px) {
            .navbar-nav {
                display: none;
            }
            .navbar-toggler {
                display: inline-flex;
            }
            .nav-search {
                display: none;
            }
            .category-hero-inner {
                gap: 24px;
            }
            .category-hero-text h1 {
                font-size: 1.7rem;
            }
            .list-card-grid {
                grid-template-columns: 1fr;
            }
            .stat-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .filter-bar {
                flex-direction: column;
                align-items: flex-start;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .stat-grid {
                grid-template-columns: 1fr;
            }
            .category-hero-text h1 {
                font-size: 1.4rem;
            }
            .hero-score-team .team-goals {
                font-size: 1.5rem;
            }
            .btn-nav-cta {
                padding: 8px 14px;
                font-size: 0.8rem;
            }
            .list-card-img {
                height: 130px;
            }
            .related-card {
                flex-direction: column;
                align-items: flex-start;
            }
        }

/* roulang page: category5 */
:root {
            --brand-blue: #1B6EC2;
            --brand-blue-hover: #155A9C;
            --brand-blue-light: #2D7BCB;
            --brand-deep: #0F4C8C;
            --bg-light: #F5F8FB;
            --bg-blue-soft: #E9F0F7;
            --bg-blue-soft-2: #F4F8FC;
            --text-primary: #1A2733;
            --text-secondary: #5A6B7C;
            --border-light: #E1E9F2;
            --border-input: #D2DEEA;
            --accent-yellow: #F0A428;
            --white: #FFFFFF;
            --shadow-card: 0 8px 24px rgba(27, 110, 194, 0.08);
            --shadow-card-hover: 0 12px 32px rgba(27, 110, 194, 0.14);
            --radius-card: 14px;
            --radius-btn: 10px;
            --radius-input: 8px;
            --radius-panel: 18px;
            --section-padding: 56px 0;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-num: "Inter", "Roboto", "Oswald", sans-serif;
            --transition-base: all 0.25s ease;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            color: var(--text-primary);
            background: var(--white);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition-base);
        }
        a:hover {
            text-decoration: none;
            color: var(--brand-blue);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: var(--font-sans);
        }
        button:focus,
        input:focus,
        select:focus,
        textarea:focus {
            outline: 2px solid var(--brand-blue);
            outline-offset: 2px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid #E5EDF5;
            transition: var(--transition-base);
        }
        .site-header.scrolled {
            box-shadow: 0 2px 16px rgba(27, 110, 194, 0.06);
        }
        .navbar {
            padding: 14px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: nowrap;
        }
        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--brand-blue);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .navbar-brand .brand-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--brand-blue) 0%, var(--brand-deep) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.05rem;
            flex-shrink: 0;
        }
        .navbar-brand-text {
            font-size: 1.18rem;
            letter-spacing: 0.5px;
            color: var(--text-primary);
            font-weight: 700;
        }
        .navbar-brand-text span {
            color: var(--brand-blue);
        }
        .navbar-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .navbar-nav::-webkit-scrollbar {
            display: none;
        }
        .nav-item {
            white-space: nowrap;
            flex-shrink: 0;
        }
        .nav-link {
            display: block;
            padding: 8px 14px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 8px;
            transition: var(--transition-base);
            white-space: nowrap;
        }
        .nav-link:hover {
            color: var(--brand-blue);
            background: var(--bg-blue-soft);
        }
        .nav-link.active {
            color: var(--brand-blue);
            background: var(--bg-blue-soft);
            font-weight: 600;
        }
        .navbar-right {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .nav-search {
            display: flex;
            align-items: center;
            background: var(--white);
            border: 1px solid var(--border-input);
            border-radius: 24px;
            padding: 7px 16px;
            gap: 8px;
            cursor: pointer;
            transition: var(--transition-base);
            min-width: 180px;
        }
        .nav-search:hover {
            border-color: var(--brand-blue);
            box-shadow: 0 0 0 3px rgba(27, 110, 194, 0.08);
        }
        .nav-search i {
            color: var(--text-secondary);
            font-size: 0.85rem;
        }
        .nav-search span {
            font-size: 0.85rem;
            color: var(--text-secondary);
            white-space: nowrap;
        }
        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 20px;
            border-radius: var(--radius-btn);
            background: var(--brand-blue);
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            border: none;
            white-space: nowrap;
            transition: var(--transition-base);
        }
        .btn-nav-cta:hover {
            background: var(--brand-blue-hover);
            color: #fff;
            box-shadow: 0 6px 16px rgba(27, 110, 194, 0.25);
        }
        .navbar-toggler {
            display: none;
            background: none;
            border: none;
            font-size: 1.4rem;
            color: var(--text-primary);
            cursor: pointer;
        }
        .mobile-menu {
            display: none;
            flex-direction: column;
            gap: 4px;
            padding: 8px 0 16px;
            border-top: 1px solid var(--border-light);
        }
        .mobile-menu .nav-link {
            padding: 10px 12px;
            font-size: 0.95rem;
        }
        /* ===== 面包屑 ===== */
        .breadcrumb-wrap {
            padding: 100px 0 0;
            background: var(--bg-light);
        }
        .breadcrumb-nav {
            font-size: 0.85rem;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .breadcrumb-nav a {
            color: var(--text-secondary);
        }
        .breadcrumb-nav a:hover {
            color: var(--brand-blue);
        }
        .breadcrumb-nav .separator {
            color: #B0C0CE;
        }
        .breadcrumb-nav .current {
            color: var(--brand-blue);
            font-weight: 600;
        }
        /* ===== 分类H1区 ===== */
        .category-hero {
            padding: 32px 0 40px;
            background: var(--bg-light);
            border-bottom: 1px solid var(--border-light);
        }
        .category-hero h1 {
            font-size: 2.1rem;
            font-weight: 700;
            color: var(--brand-deep);
            margin: 0 0 12px;
            line-height: 1.3;
        }
        .category-hero p {
            font-size: 1.02rem;
            color: var(--text-secondary);
            margin: 0;
            max-width: 780px;
            line-height: 1.8;
        }
        /* ===== 筛选条 ===== */
        .filter-bar {
            padding: 22px 0 12px;
            background: var(--white);
            border-bottom: 1px solid var(--border-light);
            position: sticky;
            top: 68px;
            z-index: 100;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }
        .filter-group {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            margin: 0;
            padding: 0;
            list-style: none;
        }
        .filter-btn {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 7px 16px;
            border-radius: 20px;
            border: 1px solid var(--border-input);
            background: var(--white);
            color: var(--text-secondary);
            font-size: 0.88rem;
            cursor: pointer;
            transition: var(--transition-base);
            white-space: nowrap;
        }
        .filter-btn:hover {
            border-color: var(--brand-blue);
            color: var(--brand-blue);
            background: var(--bg-blue-soft);
        }
        .filter-btn.active {
            background: var(--brand-blue);
            color: #fff;
            border-color: var(--brand-blue);
            box-shadow: 0 4px 12px rgba(27, 110, 194, 0.2);
        }
        .filter-label {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-right: 4px;
            font-weight: 500;
        }
        /* ===== 卡片列表 ===== */
        .article-list-section {
            padding: 40px 0 48px;
            background: var(--white);
        }
        .article-card {
            display: grid;
            grid-template-columns: 220px 1fr;
            gap: 20px;
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 20px;
            margin-bottom: 18px;
            transition: var(--transition-base);
        }
        .article-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-card-hover);
            border-color: #C8D9EA;
        }
        .article-card-img {
            width: 100%;
            height: 150px;
            border-radius: 10px;
            overflow: hidden;
            background: var(--bg-blue-soft);
            flex-shrink: 0;
        }
        .article-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition-base);
        }
        .article-card:hover .article-card-img img {
            transform: scale(1.04);
        }
        .article-card-body {
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 8px;
        }
        .article-card-tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }
        .article-tag {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 12px;
            font-size: 0.75rem;
            background: var(--bg-blue-soft);
            color: var(--brand-blue);
            font-weight: 500;
        }
        .article-card-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0;
            line-height: 1.45;
        }
        .article-card-title a:hover {
            color: var(--brand-blue);
        }
        .article-card-excerpt {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .article-card-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 0.8rem;
            color: var(--text-secondary);
        }
        .article-card-meta i {
            color: var(--brand-blue-light);
            margin-right: 3px;
        }
        .article-card-readmore {
            align-self: flex-start;
            font-size: 0.87rem;
            color: var(--brand-blue);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .article-card-readmore:hover {
            color: var(--brand-blue-hover);
        }
        /* ===== 查看更多 ===== */
        .load-more-section {
            padding: 0 0 48px;
            background: var(--white);
            text-align: center;
        }
        .btn-load-more {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            border-radius: var(--radius-btn);
            border: 1px solid var(--brand-blue);
            background: var(--white);
            color: var(--brand-blue);
            font-weight: 600;
            font-size: 0.95rem;
            transition: var(--transition-base);
        }
        .btn-load-more:hover {
            background: var(--bg-blue-soft);
            color: var(--brand-blue-hover);
            box-shadow: 0 6px 16px rgba(27, 110, 194, 0.12);
        }
        /* ===== 统计板块 ===== */
        .stats-section {
            padding: var(--section-padding);
            background: var(--bg-light);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-card {
            background: var(--white);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-card);
            padding: 24px 20px;
            text-align: center;
            transition: var(--transition-base);
        }
        .stat-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-card-hover);
        }
        .stat-number {
            font-family: var(--font-num);
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--brand-blue);
            line-height: 1.2;
        }
        .stat-label {
            font-size: 0.88rem;
            color: var(--text-secondary);
            margin-top: 6px;
        }
        /* ===== 相关专题 ===== */
        .related-section {
            padding: var(--section-padding);
            background: var(--white);
        }
        .section-title {
            font-size: 1.55rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 20px;
            line-height: 1.35;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }
        .related-card {
            background: var(--bg-blue-soft-2);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 18px 16px;
            text-align: center;
            transition: var(--transition-base);
        }
        .related-card:hover {
            background: var(--white);
            box-shadow: var(--shadow-card);
            border-color: #C8D9EA;
            transform: translateY(-2px);
        }
        .related-card i {
            font-size: 1.5rem;
            color: var(--brand-blue);
            margin-bottom: 8px;
        }
        .related-card h5 {
            font-size: 0.98rem;
            font-weight: 700;
            margin: 6px 0 4px;
            color: var(--text-primary);
        }
        .related-card p {
            font-size: 0.8rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.6;
        }
        /* ===== FAQ ===== */
        .faq-section {
            padding: var(--section-padding);
            background: var(--bg-light);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }
        .accordion-item {
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: 0 2px 8px rgba(27, 110, 194, 0.04);
        }
        .accordion-button {
            background: var(--white);
            font-weight: 600;
            color: var(--text-primary);
            font-size: 0.98rem;
            padding: 18px 20px;
            border: none;
            width: 100%;
            text-align: left;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            transition: var(--transition-base);
        }
        .accordion-button:hover {
            color: var(--brand-blue);
            background: var(--bg-blue-soft-2);
        }
        .accordion-button:not(.collapsed) {
            color: var(--brand-blue);
            background: var(--bg-blue-soft);
        }
        .accordion-button i {
            transition: var(--transition-base);
            font-size: 0.85rem;
            color: var(--text-secondary);
        }
        .accordion-button:not(.collapsed) i {
            transform: rotate(180deg);
            color: var(--brand-blue);
        }
        .accordion-body {
            padding: 16px 20px 20px;
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.8;
        }
        /* ===== 订阅CTA ===== */
        .cta-section {
            padding: var(--section-padding);
            background: var(--white);
        }
        .cta-panel {
            background: linear-gradient(135deg, var(--bg-blue-soft) 0%, var(--bg-blue-soft-2) 100%);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-panel);
            padding: 40px 32px;
            text-align: center;
            box-shadow: var(--shadow-card);
        }
        .cta-panel h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--brand-deep);
            margin: 0 0 10px;
        }
        .cta-panel p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            max-width: 540px;
            margin: 0 auto 20px;
            line-height: 1.7;
        }
        .cta-form {
            display: flex;
            gap: 10px;
            justify-content: center;
            flex-wrap: wrap;
            max-width: 480px;
            margin: 0 auto;
        }
        .cta-form input {
            flex: 1;
            min-width: 220px;
            padding: 12px 16px;
            border-radius: var(--radius-input);
            border: 1px solid var(--border-input);
            background: var(--white);
            font-size: 0.9rem;
            transition: var(--transition-base);
        }
        .cta-form input:focus {
            border-color: var(--brand-blue);
            box-shadow: 0 0 0 3px rgba(27, 110, 194, 0.12);
            outline: none;
        }
        .btn-cta-primary {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            background: var(--brand-blue);
            color: #fff;
            font-weight: 600;
            font-size: 0.92rem;
            border: none;
            cursor: pointer;
            transition: var(--transition-base);
            white-space: nowrap;
        }
        .btn-cta-primary:hover {
            background: var(--brand-blue-hover);
            color: #fff;
            box-shadow: 0 8px 20px rgba(27, 110, 194, 0.25);
        }
        /* ===== 页脚 ===== */
        .site-footer {
            background: #F0F5FA;
            border-top: 1px solid var(--border-light);
            padding: 52px 0 28px;
            color: var(--text-secondary);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand h4 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--brand-blue);
            margin: 0 0 12px;
        }
        .footer-brand h4 span {
            color: var(--brand-deep);
        }
        .footer-brand p {
            font-size: 0.87rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }
        .footer-col h5 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 14px;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 0.87rem;
            color: var(--text-secondary);
        }
        .footer-col ul li a:hover {
            color: var(--brand-blue);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-light);
            padding-top: 18px;
            text-align: center;
            font-size: 0.8rem;
            color: var(--text-secondary);
        }
        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .navbar-nav {
                max-width: 420px;
            }
            .nav-search {
                min-width: 140px;
            }
            .nav-search span {
                font-size: 0.78rem;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .navbar-nav {
                display: none;
            }
            .navbar-toggler {
                display: block;
            }
            .mobile-menu {
                display: flex;
            }
            .nav-search {
                display: none;
            }
            .category-hero h1 {
                font-size: 1.7rem;
            }
            .article-card {
                grid-template-columns: 1fr;
                gap: 14px;
                padding: 16px;
            }
            .article-card-img {
                height: 180px;
            }
            .related-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .stat-number {
                font-size: 1.8rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .section-title {
                font-size: 1.35rem;
            }
            .cta-panel {
                padding: 28px 20px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .navbar {
                padding: 10px 0;
                gap: 8px;
            }
            .navbar-brand-text {
                font-size: 1.05rem;
            }
            .btn-nav-cta {
                padding: 7px 14px;
                font-size: 0.8rem;
            }
            .navbar-toggler {
                font-size: 1.2rem;
            }
            .category-hero h1 {
                font-size: 1.5rem;
            }
            .category-hero p {
                font-size: 0.92rem;
            }
            .filter-btn {
                padding: 6px 12px;
                font-size: 0.8rem;
            }
            .article-card-img {
                height: 160px;
            }
            .article-card-title {
                font-size: 1.05rem;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-number {
                font-size: 1.6rem;
            }
            .stat-label {
                font-size: 0.78rem;
            }
            .cta-form {
                flex-direction: column;
            }
            .cta-form input {
                min-width: 100%;
            }
            .btn-cta-primary {
                width: 100%;
                justify-content: center;
            }
        }

/* roulang page: category6 */
:root {
            --brand-blue: #1B6EC2;
            --brand-blue-hover: #155A9C;
            --brand-blue-light: #2D7BCB;
            --brand-deep: #0F4C8C;
            --bg-light: #F5F8FB;
            --bg-blue-soft: #E9F0F7;
            --bg-blue-soft-2: #F4F8FC;
            --text-primary: #1A2733;
            --text-secondary: #5A6B7C;
            --border-light: #E1E9F2;
            --border-input: #D2DEEA;
            --accent-yellow: #F0A428;
            --white: #FFFFFF;
            --shadow-card: 0 8px 24px rgba(27, 110, 194, 0.08);
            --shadow-card-hover: 0 12px 32px rgba(27, 110, 194, 0.14);
            --radius-card: 14px;
            --radius-btn: 10px;
            --radius-input: 8px;
            --radius-panel: 18px;
            --section-padding: 72px 0;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-num: "Inter", "Roboto", "Oswald", sans-serif;
            --transition-base: all 0.25s ease;
        }

        :root {
            --section-padding: 56px 0;
        }

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

        body {
            font-family: var(--font-sans);
            color: var(--text-primary);
            background: var(--white);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a:hover {
            text-decoration: none;
            color: var(--brand-blue);
        }

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

        button,
        input,
        select,
        textarea {
            font-family: var(--font-sans);
        }

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

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

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid #E5EDF5;
            transition: var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: 0 2px 16px rgba(27, 110, 194, 0.06);
        }

        .navbar {
            padding: 14px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: nowrap;
        }

        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--brand-blue);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .navbar-brand .brand-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--brand-blue) 0%, var(--brand-deep) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.05rem;
            flex-shrink: 0;
        }

        .navbar-brand-text {
            font-size: 1.18rem;
            letter-spacing: 0.5px;
            color: var(--text-primary);
            font-weight: 700;
        }

        .navbar-brand-text span {
            color: var(--brand-blue);
        }

        .navbar-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .navbar-nav::-webkit-scrollbar {
            display: none;
        }

        .nav-item {
            white-space: nowrap;
            flex-shrink: 0;
        }

        .nav-link {
            display: block;
            padding: 8px 14px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 8px;
            transition: var(--transition-base);
            white-space: nowrap;
        }

        .nav-link:hover {
            color: var(--brand-blue);
            background: var(--bg-blue-soft);
        }

        .nav-link.active {
            color: var(--brand-blue);
            background: var(--bg-blue-soft);
            font-weight: 600;
        }

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

        .nav-search {
            display: flex;
            align-items: center;
            background: var(--white);
            border: 1px solid var(--border-input);
            border-radius: 24px;
            padding: 7px 16px;
            gap: 8px;
            cursor: pointer;
            transition: var(--transition-base);
            min-width: 180px;
        }

        .nav-search:hover {
            border-color: var(--brand-blue);
            box-shadow: 0 0 0 3px rgba(27, 110, 194, 0.08);
        }

        .nav-search i {
            color: var(--text-secondary);
            font-size: 0.85rem;
        }

        .nav-search span {
            font-size: 0.85rem;
            color: var(--text-secondary);
            white-space: nowrap;
        }

        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 20px;
            border-radius: var(--radius-btn);
            background: var(--brand-blue);
            color: var(--white);
            font-size: 0.9rem;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--transition-base);
            white-space: nowrap;
        }

        .btn-nav-cta:hover {
            background: var(--brand-blue-hover);
            color: #fff;
            box-shadow: 0 4px 12px rgba(27, 110, 194, 0.25);
        }

        .navbar-toggler {
            display: none;
            background: transparent;
            border: none;
            font-size: 1.4rem;
            color: var(--text-secondary);
            cursor: pointer;
            padding: 6px 8px;
            border-radius: 8px;
            transition: var(--transition-base);
        }

        .navbar-toggler:hover {
            background: var(--bg-blue-soft);
            color: var(--brand-blue);
        }

        .mobile-menu {
            display: none;
            padding: 12px 0 16px;
            border-top: 1px solid var(--border-light);
            flex-direction: column;
            gap: 2px;
            background: rgba(255, 255, 255, 0.98);
        }

        .mobile-menu.show {
            display: flex;
        }

        .mobile-menu .nav-link {
            padding: 12px 16px;
            font-size: 0.95rem;
            border-radius: 8px;
        }

        /* ===== 分类 H1 区 ===== */
        .category-hero {
            padding: 128px 0 40px;
            background: var(--bg-light);
            border-bottom: 1px solid var(--border-light);
        }

        .breadcrumb-bar {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-bottom: 20px;
        }

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

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

        .breadcrumb-bar .separator {
            color: #B0BECB;
        }

        .category-hero h1 {
            font-size: clamp(1.8rem, 3.2vw, 2.5rem);
            color: var(--text-primary);
            margin-bottom: 14px;
            font-weight: 700;
            letter-spacing: 0.5px;
        }

        .category-hero .category-desc {
            font-size: 1.02rem;
            color: var(--text-secondary);
            max-width: 760px;
            line-height: 1.8;
            margin-bottom: 0;
        }

        /* ===== 筛选控制条 ===== */
        .filter-bar-section {
            padding: 32px 0;
            background: var(--white);
            border-bottom: 1px solid var(--border-light);
        }

        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            align-items: center;
        }

        .filter-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 22px;
            border-radius: 24px;
            background: var(--white);
            border: 1px solid var(--border-input);
            color: var(--text-secondary);
            font-size: 0.88rem;
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition-base);
            white-space: nowrap;
        }

        .filter-btn:hover {
            border-color: var(--brand-blue);
            color: var(--brand-blue);
            background: var(--bg-blue-soft-2);
        }

        .filter-btn.is-active {
            background: var(--brand-blue);
            border-color: var(--brand-blue);
            color: #fff;
            font-weight: 600;
            box-shadow: 0 4px 12px rgba(27, 110, 194, 0.2);
        }

        .filter-btn .filter-count {
            font-size: 0.72rem;
            background: rgba(0, 0, 0, 0.08);
            border-radius: 10px;
            padding: 1px 8px;
            font-weight: 400;
        }

        .filter-btn.is-active .filter-count {
            background: rgba(255, 255, 255, 0.22);
        }

        /* ===== 列表主体 ===== */
        .qa-list-section {
            padding: 56px 0;
            background: var(--bg-light);
        }

        .qa-list {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .qa-card {
            display: flex;
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: var(--transition-base);
            cursor: pointer;
        }

        .qa-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: #CBD9E8;
        }

        .qa-card-thumb {
            flex: 0 0 220px;
            min-height: 100%;
            position: relative;
            overflow: hidden;
        }

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

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

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

        .qa-card-category {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--brand-blue);
            background: var(--bg-blue-soft);
            border-radius: 20px;
            padding: 3px 12px;
            width: fit-content;
            margin-bottom: 10px;
        }

        .qa-card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.5;
        }

        .qa-card-body .qa-summary {
            font-size: 0.93rem;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 12px;
        }

        .qa-card-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 0.82rem;
            color: #8B9BAC;
        }

        .qa-card-meta .qa-date {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .qa-card-meta .qa-tag {
            background: var(--bg-light);
            border-radius: 4px;
            padding: 2px 10px;
            font-size: 0.75rem;
            color: var(--text-secondary);
        }

        /* ===== 查看更多 ===== */
        .load-more-section {
            padding: 40px 0;
            background: var(--white);
            text-align: center;
        }

        .btn-load-more {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 36px;
            border-radius: var(--radius-btn);
            background: var(--white);
            border: 1px solid var(--brand-blue);
            color: var(--brand-blue);
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition-base);
        }

        .btn-load-more:hover {
            background: var(--bg-blue-soft);
            box-shadow: 0 4px 12px rgba(27, 110, 194, 0.12);
        }

        /* ===== 统计板块 ===== */
        .stats-section {
            padding: 56px 0;
            background: linear-gradient(135deg, var(--brand-blue) 0%, var(--brand-deep) 100%);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
        }

        .stat-card {
            text-align: center;
            padding: 20px 16px;
            border-radius: var(--radius-card);
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
            border: 1px solid rgba(255, 255, 255, 0.15);
        }

        .stat-number {
            font-family: var(--font-num);
            font-size: 2.2rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.2;
            letter-spacing: 0.5px;
        }

        .stat-label {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.82);
            margin-top: 4px;
        }

        /* ===== 相关专题推荐 ===== */
        .related-topics-section {
            padding: 56px 0;
            background: var(--bg-light);
            border-top: 1px solid var(--border-light);
        }

        .section-title-wrap {
            margin-bottom: 28px;
        }

        .section-title-wrap h2 {
            font-size: 1.45rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .section-title-wrap .section-subtitle {
            font-size: 0.9rem;
            color: var(--text-secondary);
        }

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

        .topic-card {
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 20px 18px;
            display: flex;
            align-items: flex-start;
            gap: 14px;
            transition: var(--transition-base);
            cursor: pointer;
        }

        .topic-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: #CBD9E8;
        }

        .topic-card .topic-icon {
            flex-shrink: 0;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: var(--bg-blue-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--brand-blue);
            font-size: 1.15rem;
        }

        .topic-card .topic-info h3 {
            font-size: 0.98rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .topic-card .topic-info p {
            font-size: 0.82rem;
            color: var(--text-secondary);
            margin-bottom: 0;
            line-height: 1.55;
        }

        /* ===== 轻量 FAQ ===== */
        .mini-faq-section {
            padding: 56px 0;
            background: var(--white);
            border-top: 1px solid var(--border-light);
        }

        .mini-faq-list {
            max-width: 820px;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .mini-faq-item {
            background: var(--bg-blue-soft-2);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 18px 22px;
            transition: var(--transition-base);
            cursor: pointer;
        }

        .mini-faq-item:hover {
            border-color: #CBD9E8;
            background: var(--bg-blue-soft);
        }

        .mini-faq-item .faq-q {
            font-weight: 700;
            color: var(--text-primary);
            font-size: 0.98rem;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 6px;
        }

        .mini-faq-item .faq-q i {
            color: var(--brand-blue);
            font-size: 0.9rem;
        }

        .mini-faq-item .faq-a {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.75;
            padding-left: 24px;
        }

        /* ===== 订阅 CTA ===== */
        .subscribe-cta-section {
            padding: 56px 0;
            background: var(--bg-blue-soft-2);
            border-top: 1px solid var(--border-light);
        }

        .subscribe-cta-panel {
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-panel);
            padding: 40px 36px;
            text-align: center;
            box-shadow: var(--shadow-card);
            max-width: 700px;
            margin: 0 auto;
        }

        .subscribe-cta-panel h2 {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
        }

        .subscribe-cta-panel p {
            font-size: 0.94rem;
            color: var(--text-secondary);
            margin-bottom: 22px;
            line-height: 1.75;
        }

        .subscribe-form {
            display: flex;
            gap: 10px;
            max-width: 460px;
            margin: 0 auto;
        }

        .subscribe-form input {
            flex: 1;
            padding: 11px 16px;
            border: 1px solid var(--border-input);
            border-radius: var(--radius-input);
            font-size: 0.9rem;
            transition: var(--transition-base);
            background: var(--white);
            color: var(--text-primary);
        }

        .subscribe-form input:focus {
            border-color: var(--brand-blue);
            box-shadow: 0 0 0 3px rgba(27, 110, 194, 0.1);
            outline: none;
        }

        .btn-subscribe {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 11px 26px;
            border-radius: var(--radius-btn);
            background: var(--brand-blue);
            color: #fff;
            font-size: 0.92rem;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--transition-base);
            white-space: nowrap;
        }

        .btn-subscribe:hover {
            background: var(--brand-blue-hover);
            box-shadow: 0 4px 12px rgba(27, 110, 194, 0.25);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #fff;
            border-top: 1px solid var(--border-light);
            padding: 48px 0 28px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.4fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
        }

        .footer-brand h4 span {
            color: var(--brand-blue);
        }

        .footer-brand p {
            font-size: 0.87rem;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 0;
        }

        .footer-col h5 {
            font-size: 0.92rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
        }

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

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

        .footer-col ul li a {
            font-size: 0.87rem;
            color: var(--text-secondary);
            transition: var(--transition-base);
        }

        .footer-col ul li a:hover {
            color: var(--brand-blue);
        }

        .footer-bottom {
            border-top: 1px solid var(--border-light);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.8rem;
            color: #8B9BAC;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1200px) {
            .container {
                padding: 0 20px;
            }
        }

        @media (max-width: 992px) {
            .navbar-nav {
                display: none;
            }

            .nav-search {
                min-width: auto;
                padding: 7px 12px;
            }

            .nav-search span {
                display: none;
            }

            .navbar-toggler {
                display: block;
            }

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

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

            .qa-card {
                flex-direction: column;
            }

            .qa-card-thumb {
                flex: 0 0 auto;
                height: 180px;
                width: 100%;
            }

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

        @media (max-width: 768px) {
            .category-hero {
                padding: 110px 0 32px;
            }

            .category-hero h1 {
                font-size: 1.55rem;
            }

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

            .qa-card-body h3 {
                font-size: 1.05rem;
            }

            .filter-bar {
                gap: 8px;
            }

            .filter-btn {
                padding: 7px 16px;
                font-size: 0.82rem;
            }

            .subscribe-cta-panel {
                padding: 30px 20px;
            }

            .subscribe-form {
                flex-direction: column;
                gap: 10px;
            }

            .btn-subscribe {
                justify-content: center;
            }
        }

        @media (max-width: 576px) {
            .container {
                padding: 0 16px;
            }

            .navbar {
                padding: 10px 0;
                gap: 10px;
            }

            .navbar-brand {
                gap: 8px;
            }

            .navbar-brand .brand-icon {
                width: 30px;
                height: 30px;
                border-radius: 8px;
                font-size: 0.9rem;
            }

            .navbar-brand-text {
                font-size: 1.05rem;
            }

            .btn-nav-cta {
                padding: 7px 14px;
                font-size: 0.82rem;
            }

            .nav-search {
                padding: 6px 10px;
            }

            .category-hero {
                padding: 100px 0 28px;
            }

            .category-hero h1 {
                font-size: 1.4rem;
            }

            .category-hero .category-desc {
                font-size: 0.93rem;
            }

            .breadcrumb-bar {
                font-size: 0.78rem;
            }

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }

            .stat-number {
                font-size: 1.7rem;
            }

            .stat-label {
                font-size: 0.78rem;
            }

            .related-topics-grid {
                grid-template-columns: 1fr;
            }

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

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }

            .qa-card-thumb {
                height: 150px;
            }

            .qa-card-body h3 {
                font-size: 0.98rem;
            }

            .qa-card-body .qa-summary {
                font-size: 0.86rem;
            }

            .qa-card-meta {
                flex-wrap: wrap;
                gap: 8px;
                font-size: 0.75rem;
            }
        }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}