/* roulang page: index */
:root {
            --primary: #16324F;
            --primary-hover: #1D4268;
            --accent: #00B4D8;
            --highlight: #3DDC84;
            --bg: #F6F8FB;
            --card: #FFFFFF;
            --border: #E2E8F0;
            --text: #0F172A;
            --text-secondary: #475569;
            --text-muted: #94A3B8;
            --radius-card: 12px;
            --radius-btn: 8px;
            --shadow-sm: 0 2px 12px rgba(15, 23, 42, 0.06);
            --shadow-hover: 0 8px 24px rgba(15, 23, 42, 0.10);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.8;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease, transform 0.15s ease;
        }

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
        }

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }

        @media (min-width: 768px) {
            .container {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        /* 导航栏 */
        .site-header {
            background-color: var(--primary);
            position: sticky;
            top: 0;
            z-index: 50;
            box-shadow: 0 2px 16px rgba(15, 23, 42, 0.18);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 1.5rem;
            flex-wrap: nowrap;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            color: #FFFFFF;
            font-weight: 700;
            font-size: 1.25rem;
            letter-spacing: -0.5px;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .logo-link .logo-icon {
            width: 28px;
            height: 28px;
            background-color: var(--accent);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            color: #FFFFFF;
            flex-shrink: 0;
        }

        .nav-list-desktop {
            display: none;
            align-items: center;
            gap: 2rem;
            list-style: none;
            white-space: nowrap;
        }

        @media (min-width: 1024px) {
            .nav-list-desktop {
                display: flex;
            }
        }

        .nav-list-desktop>li {
            position: relative;
            display: flex;
            align-items: center;
        }

        .nav-list-desktop>li>a {
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.875rem;
            font-weight: 500;
            padding: 0.5rem 0;
            display: inline-block;
            transition: color 0.2s ease;
            letter-spacing: 0.2px;
        }

        .nav-list-desktop>li>a:hover,
        .nav-list-desktop>li>a.active {
            color: #FFFFFF;
        }

        .nav-list-desktop>li>a.active::after {
            content: "";
            display: block;
            width: 100%;
            height: 2px;
            background-color: var(--accent);
            margin-top: 2px;
            border-radius: 2px;
        }

        /* 下拉面板 */
        .dropdown-panel {
            position: absolute;
            top: calc(100% + 8px);
            left: 50%;
            transform: translateX(-50%);
            background: #FFFFFF;
            border-radius: var(--radius-card);
            box-shadow: 0 16px 40px rgba(15, 23, 42, 0.16);
            padding: 0.75rem 1rem;
            min-width: 220px;
            opacity: 0;
            visibility: hidden;
            pointer-events: none;
            transition: opacity 0.22s ease, visibility 0.22s ease, transform 0.22s ease;
            z-index: 60;
            transform-origin: top center;
            transform: translateX(-50%) translateY(6px);
        }

        .nav-list-desktop>li:hover .dropdown-panel,
        .nav-list-desktop>li:focus-within .dropdown-panel {
            opacity: 1;
            visibility: visible;
            pointer-events: auto;
            transform: translateX(-50%) translateY(0);
        }

        .dropdown-panel a {
            display: block;
            padding: 0.55rem 0.75rem;
            font-size: 0.8rem;
            color: var(--text-secondary);
            border-radius: 6px;
            transition: background-color 0.2s ease, color 0.2s ease;
        }

        .dropdown-panel a:hover {
            background-color: rgba(0, 180, 216, 0.08);
            color: var(--primary);
        }

        /* 移动端导航 */
        .menu-toggle {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            color: #FFFFFF;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.2);
            cursor: pointer;
            transition: background-color 0.2s ease;
            flex-shrink: 0;
        }

        .menu-toggle:hover {
            background-color: rgba(255, 255, 255, 0.1);
        }

        .menu-toggle i {
            font-size: 1.1rem;
        }

        .mobile-menu-checkbox {
            display: none;
        }

        @media (max-width: 1023px) {
            .mobile-menu-checkbox:checked~.mobile-nav-overlay {
                display: block;
            }

            .mobile-menu-checkbox:checked~.mobile-nav-panel {
                max-height: 480px;
                opacity: 1;
                pointer-events: auto;
            }
        }

        .mobile-nav-overlay {
            display: none;
            position: fixed;
            inset: 64px 0 0 0;
            background: rgba(15, 23, 42, 0.5);
            z-index: 40;
        }

        .mobile-nav-panel {
            display: none;
            position: absolute;
            top: 64px;
            left: 0;
            right: 0;
            background: #FFFFFF;
            z-index: 45;
            max-height: 0;
            opacity: 0;
            pointer-events: none;
            overflow-y: auto;
            transition: max-height 0.3s ease, opacity 0.25s ease;
            box-shadow: 0 20px 40px rgba(15, 23, 42, 0.15);
            border-top: 1px solid var(--border);
        }

        @media (max-width: 1023px) {
            .mobile-nav-panel {
                display: block;
            }
        }

        .mobile-nav-panel ul {
            list-style: none;
            padding: 0.5rem 1rem 1rem;
        }

        .mobile-nav-panel li {
            border-bottom: 1px solid var(--border);
        }

        .mobile-nav-panel li:last-child {
            border-bottom: none;
        }

        .mobile-nav-panel a {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.8rem 0.25rem;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text);
            border-radius: 6px;
            transition: color 0.2s ease;
        }

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

        .mobile-nav-panel .mobile-submenu {
            padding-left: 1rem;
            background-color: #F8FAFC;
            border-left: 3px solid var(--accent);
            margin-bottom: 0.3rem;
        }

        .mobile-nav-panel .mobile-submenu a {
            font-size: 0.85rem;
            font-weight: 400;
            color: var(--text-secondary);
            padding: 0.5rem 0.25rem;
        }

        /* 板块通用样式 */
        .section {
            padding: 3.5rem 1rem;
            position: relative;
        }

        @media (min-width: 768px) {
            .section {
                padding: 5rem 2rem;
            }
        }

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

        .section-heading {
            margin-bottom: 2.5rem;
        }

        .section-heading .kicker {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 1.5px;
            text-transform: uppercase;
            color: var(--accent);
            margin-bottom: 0.4rem;
        }

        .section-heading h2 {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.3px;
            line-height: 1.3;
            margin-bottom: 0.5rem;
        }

        @media (min-width: 768px) {
            .section-heading h2 {
                font-size: 2rem;
            }
        }

        .section-heading .subtitle {
            font-size: 0.95rem;
            color: var(--text-secondary);
            max-width: 640px;
            line-height: 1.7;
        }

        /* 按钮 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.7rem 1.4rem;
            border-radius: var(--radius-btn);
            font-size: 0.9rem;
            font-weight: 500;
            letter-spacing: 0.2px;
            cursor: pointer;
            transition: all 0.2s ease;
            border: none;
            white-space: nowrap;
            flex-shrink: 0;
        }

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

        .btn-primary:hover {
            background-color: var(--primary-hover);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(22, 50, 79, 0.3);
        }

        .btn-primary:active {
            transform: scale(0.96);
        }

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

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

        .btn-accent {
            background-color: var(--accent);
            color: #FFFFFF;
        }

        .btn-accent:hover {
            background-color: #0098B8;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(0, 180, 216, 0.3);
        }

        /* 卡片 */
        .card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: box-shadow 0.25s ease, transform 0.2s ease;
        }

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

        .card-img-wrap {
            width: 100%;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background-color: #F1F5F9;
            position: relative;
        }

        .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }

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

        .card-body {
            padding: 1.25rem 1.4rem;
        }

        .card-title {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text);
            line-height: 1.4;
            margin-bottom: 0.4rem;
        }

        .card-summary {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--accent);
            margin-top: 0.8rem;
            transition: gap 0.2s ease;
        }

        .card-link:hover {
            gap: 0.55rem;
        }

        .badge {
            display: inline-block;
            padding: 0.2rem 0.65rem;
            border-radius: 999px;
            font-size: 0.72rem;
            font-weight: 500;
            letter-spacing: 0.3px;
            background-color: rgba(0, 180, 216, 0.1);
            color: #007A94;
        }

        .badge-green {
            background-color: rgba(61, 220, 132, 0.15);
            color: #1A8A50;
        }

        .badge-blue {
            background-color: rgba(22, 50, 79, 0.08);
            color: var(--primary);
        }

        /* 数据带 */
        .data-band {
            background-color: var(--primary);
            color: #FFFFFF;
        }

        .data-band .stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: #FFFFFF;
            line-height: 1.2;
            letter-spacing: -0.5px;
        }

        @media (min-width: 768px) {
            .data-band .stat-number {
                font-size: 2.4rem;
            }
        }

        .data-band .stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 0.2rem;
        }

        /* 页面背景块 */
        .img-placeholder {
            background-color: #E8EDF4;
            border-radius: var(--radius-card);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            color: var(--text-muted);
            letter-spacing: 1px;
            min-height: 120px;
            width: 100%;
            overflow: hidden;
        }

        .img-placeholder img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-card);
        }

        /* FAQ */
        .faq-item {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            margin-bottom: 0.8rem;
            overflow: hidden;
            transition: box-shadow 0.25s ease;
        }

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

        .faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1rem 1.25rem;
            cursor: pointer;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text);
            list-style: none;
            gap: 1rem;
            transition: color 0.2s ease;
        }

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

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

        .faq-item summary .faq-arrow {
            flex-shrink: 0;
            font-size: 0.8rem;
            color: var(--text-muted);
            transition: transform 0.25s ease;
        }

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

        .faq-item .faq-answer {
            padding: 0 1.25rem 1.1rem;
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        /* 页脚 */
        .site-footer {
            background-color: var(--primary);
            color: rgba(255, 255, 255, 0.8);
            padding: 3rem 1rem 1.5rem;
        }

        @media (min-width: 768px) {
            .site-footer {
                padding: 4rem 2rem 1.5rem;
            }
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            max-width: 1200px;
            margin: 0 auto;
        }

        @media (min-width: 768px) {
            .site-footer .footer-grid {
                grid-template-columns: 1.4fr 1fr 1fr;
            }
        }

        .site-footer h3 {
            color: #FFFFFF;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 1rem;
            letter-spacing: 0.3px;
        }

        .site-footer p {
            font-size: 0.85rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.65);
        }

        .site-footer .footer-link {
            display: block;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.65);
            padding: 0.25rem 0;
            transition: color 0.2s ease;
        }

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

        .site-footer .footer-bottom {
            max-width: 1200px;
            margin: 2rem auto 0;
            padding-top: 1.2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.5);
            text-align: center;
        }

        /* 杂项 */
        .divider-line {
            width: 56px;
            height: 4px;
            background-color: var(--accent);
            border-radius: 2px;
            margin-bottom: 0.8rem;
        }

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

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

/* roulang page: category1 */
:root {
            --primary: #16324F;
            --primary-hover: #1D4268;
            --accent: #00B4D8;
            --highlight: #3DDC84;
            --bg: #F6F8FB;
            --card: #FFFFFF;
            --border: #E2E8F0;
            --text: #0F172A;
            --text-secondary: #475569;
            --text-muted: #94A3B8;
            --radius-card: 12px;
            --radius-btn: 8px;
            --shadow-sm: 0 2px 12px rgba(15, 23, 42, 0.06);
            --shadow-hover: 0 8px 24px rgba(15, 23, 42, 0.10);
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.8;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease, transform 0.15s ease;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
        }
        button:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: 4px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }
        @media (min-width: 768px) {
            .container {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }
        .site-header {
            background-color: var(--primary);
            position: sticky;
            top: 0;
            z-index: 50;
            box-shadow: 0 2px 16px rgba(15, 23, 42, 0.18);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 1.5rem;
            flex-wrap: nowrap;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            color: #FFFFFF;
            font-weight: 700;
            font-size: 1.25rem;
            letter-spacing: -0.5px;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .logo-link .logo-icon {
            width: 28px;
            height: 28px;
            background-color: var(--accent);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            color: #FFFFFF;
            flex-shrink: 0;
        }
        .nav-list-desktop {
            display: none;
            align-items: center;
            gap: 2rem;
            list-style: none;
            white-space: nowrap;
        }
        @media (min-width: 1024px) {
            .nav-list-desktop {
                display: flex;
            }
        }
        .nav-list-desktop>li {
            position: relative;
            display: flex;
            align-items: center;
        }
        .nav-list-desktop>li>a {
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.875rem;
            font-weight: 500;
            padding: 0.5rem 0;
            display: inline-block;
            transition: color 0.2s ease;
            letter-spacing: 0.2px;
        }
        .nav-list-desktop>li>a:hover,
        .nav-list-desktop>li>a.active {
            color: #FFFFFF;
        }
        .nav-list-desktop>li>a.active::after {
            content: "";
            display: block;
            width: 100%;
            height: 2px;
            background-color: var(--accent);
            margin-top: 2px;
            border-radius: 2px;
        }
        .dropdown-panel {
            position: absolute;
            top: 100%;
            left: 50%;
            transform: translateX(-50%) translateY(8px);
            background: #FFFFFF;
            border-radius: 8px;
            box-shadow: var(--shadow-hover);
            padding: 0.75rem;
            min-width: 180px;
            opacity: 0;
            visibility: hidden;
            pointer-events: none;
            transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease;
            z-index: 60;
        }
        .nav-list-desktop>li:hover .dropdown-panel,
        .nav-list-desktop>li:focus-within .dropdown-panel {
            opacity: 1;
            visibility: visible;
            pointer-events: auto;
            transform: translateX(-50%) translateY(0);
        }
        .dropdown-panel a {
            display: block;
            padding: 0.55rem 0.75rem;
            font-size: 0.8rem;
            color: var(--text-secondary);
            border-radius: 6px;
            transition: background-color 0.2s ease, color 0.2s ease;
        }
        .dropdown-panel a:hover {
            background-color: rgba(0, 180, 216, 0.08);
            color: var(--primary);
        }
        .menu-toggle {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            color: #FFFFFF;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.2);
            cursor: pointer;
            transition: background-color 0.2s ease;
            flex-shrink: 0;
        }
        @media (min-width: 1024px) {
            .menu-toggle {
                display: none;
            }
        }
        .menu-toggle:hover {
            background-color: rgba(255, 255, 255, 0.1);
        }
        .menu-toggle i {
            font-size: 1.1rem;
        }
        .mobile-menu-checkbox {
            display: none;
        }
        .mobile-menu-checkbox:checked~.mobile-nav-overlay {
            display: block;
        }
        .mobile-menu-checkbox:checked~.mobile-nav-panel {
            max-height: 480px;
            opacity: 1;
            pointer-events: auto;
        }
        .mobile-nav-overlay {
            display: none;
            position: fixed;
            inset: 64px 0 0 0;
            background: rgba(15, 23, 42, 0.5);
            z-index: 40;
        }
        .mobile-nav-panel {
            display: none;
            position: absolute;
            top: 64px;
            left: 0;
            right: 0;
            background: #FFFFFF;
            z-index: 45;
            max-height: 0;
            opacity: 0;
            pointer-events: none;
            overflow-y: auto;
            transition: max-height 0.3s ease, opacity 0.25s ease;
            box-shadow: 0 20px 40px rgba(15, 23, 42, 0.15);
            border-top: 1px solid var(--border);
        }
        @media (max-width: 1023px) {
            .mobile-nav-panel {
                display: block;
            }
        }
        .mobile-nav-panel ul {
            list-style: none;
            padding: 0.5rem 1rem 1rem;
        }
        .mobile-nav-panel li {
            border-bottom: 1px solid var(--border);
        }
        .mobile-nav-panel li>a {
            display: block;
            padding: 0.75rem 0;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text);
        }
        .mobile-submenu {
            padding-left: 1rem;
            padding-bottom: 0.5rem;
        }
        .mobile-submenu a {
            display: block;
            padding: 0.4rem 0;
            font-size: 0.82rem;
            color: var(--text-secondary);
        }
        .btn-primary {
            background-color: var(--primary);
            color: #FFFFFF;
            padding: 0.75rem 1.25rem;
            border-radius: var(--radius-btn);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            border: none;
            cursor: pointer;
            transition: background-color 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
        }
        .btn-primary:hover {
            background-color: var(--primary-hover);
            box-shadow: var(--shadow-hover);
        }
        .btn-primary:active {
            transform: scale(0.95);
        }
        .btn-secondary {
            border: 1px solid var(--primary);
            color: var(--primary);
            padding: 0.75rem 1.25rem;
            border-radius: var(--radius-btn);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: transparent;
            cursor: pointer;
            transition: background-color 0.2s ease, color 0.2s ease, transform 0.15s ease;
        }
        .btn-secondary:hover {
            background-color: var(--primary);
            color: #FFFFFF;
        }
        .btn-secondary:active {
            transform: scale(0.95);
        }
        .card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            transition: box-shadow 0.25s ease, transform 0.2s ease;
            overflow: hidden;
        }
        .card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            padding: 0.25rem 0.75rem;
            border-radius: 9999px;
            font-size: 0.75rem;
            font-weight: 500;
            line-height: 1.5;
        }
        .badge-accent {
            background-color: rgba(0, 180, 216, 0.12);
            color: var(--accent);
        }
        .badge-highlight {
            background-color: rgba(61, 220, 132, 0.15);
            color: #1a9c5a;
        }
        .badge-primary {
            background-color: rgba(22, 50, 79, 0.1);
            color: var(--primary);
        }
        .section-padding {
            padding-top: 3rem;
            padding-bottom: 3rem;
        }
        @media (min-width: 768px) {
            .section-padding {
                padding-top: 4rem;
                padding-bottom: 4rem;
            }
        }
        .section-title {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.5px;
        }
        @media (min-width: 768px) {
            .section-title {
                font-size: 1.85rem;
            }
        }
        .section-subtitle {
            color: var(--text-secondary);
            font-size: 0.95rem;
            max-width: 640px;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.82rem;
            color: var(--text-muted);
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--accent);
            font-weight: 500;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb .separator {
            color: var(--text-muted);
        }
        .filter-tag {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.4rem 0.9rem;
            border-radius: 9999px;
            font-size: 0.8rem;
            font-weight: 500;
            background: var(--card);
            border: 1px solid var(--border);
            color: var(--text-secondary);
            cursor: pointer;
            transition: all 0.2s ease;
            white-space: nowrap;
        }
        .filter-tag:hover,
        .filter-tag.active {
            background-color: rgba(0, 180, 216, 0.1);
            border-color: var(--accent);
            color: var(--primary);
        }
        .filter-tag.active {
            font-weight: 600;
        }
        .data-stat {
            text-align: center;
            padding: 1.25rem 1rem;
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
        }
        .data-stat-value {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }
        .data-stat-value.accent {
            color: var(--accent);
        }
        .data-stat-label {
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-top: 0.4rem;
        }
        .match-card-link {
            display: block;
            height: 100%;
        }
        .match-card-link .card {
            height: 100%;
        }
        .match-card-link .card:hover {
            border-color: rgba(0, 180, 216, 0.4);
        }
        .line-clamp-2 {
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .footer-link {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            font-size: 0.85rem;
            transition: color 0.2s ease;
        }
        .footer-link:hover {
            color: #FFFFFF;
        }
        .section-alt {
            background: #FFFFFF;
        }
        .section-default {
            background: var(--bg);
        }

/* roulang page: category2 */
:root {
            --primary: #16324F;
            --primary-hover: #1D4268;
            --accent: #00B4D8;
            --highlight: #3DDC84;
            --bg: #F6F8FB;
            --card: #FFFFFF;
            --border: #E2E8F0;
            --text: #0F172A;
            --text-secondary: #475569;
            --text-muted: #94A3B8;
            --radius-card: 12px;
            --radius-btn: 8px;
            --shadow-sm: 0 2px 12px rgba(15, 23, 42, 0.06);
            --shadow-hover: 0 8px 24px rgba(15, 23, 42, 0.10);
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.8;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease, transform 0.15s ease;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
        }
        button:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: 4px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 2rem;
            padding-right: 2rem;
        }
        @media (max-width: 640px) {
            .container {
                padding-left: 1rem;
                padding-right: 1rem;
            }
        }

        /* 导航栏 */
        .site-header {
            background-color: var(--primary);
            position: sticky;
            top: 0;
            z-index: 50;
            box-shadow: 0 2px 16px rgba(15, 23, 42, 0.18);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 1.5rem;
            flex-wrap: nowrap;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            color: #FFFFFF;
            font-weight: 700;
            font-size: 1.25rem;
            letter-spacing: -0.5px;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .logo-link .logo-icon {
            width: 28px;
            height: 28px;
            background-color: var(--accent);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            color: #FFFFFF;
            flex-shrink: 0;
        }
        .nav-list-desktop {
            display: none;
            align-items: center;
            gap: 2rem;
            list-style: none;
            white-space: nowrap;
        }
        @media (min-width: 768px) {
            .nav-list-desktop {
                display: flex;
            }
        }
        .nav-list-desktop>li {
            position: relative;
            display: flex;
            align-items: center;
        }
        .nav-list-desktop>li>a {
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.875rem;
            font-weight: 500;
            padding: 0.5rem 0;
            display: inline-block;
            transition: color 0.2s ease;
            letter-spacing: 0.2px;
        }
        .nav-list-desktop>li>a:hover,
        .nav-list-desktop>li>a.active {
            color: #FFFFFF;
        }
        .nav-list-desktop>li>a.active::after {
            content: "";
            display: block;
            width: 100%;
            height: 2px;
            background-color: var(--accent);
            margin-top: 2px;
            border-radius: 2px;
        }
        .nav-dropdown {
            position: absolute;
            top: 100%;
            left: 50%;
            transform: translateX(-50%) translateY(8px);
            background: #FFFFFF;
            border-radius: 8px;
            box-shadow: 0 12px 32px rgba(15, 23, 42, 0.14);
            padding: 0.75rem 0;
            min-width: 150px;
            opacity: 0;
            visibility: hidden;
            pointer-events: none;
            transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease;
            z-index: 60;
        }
        .nav-list-desktop>li:hover .nav-dropdown,
        .nav-list-desktop>li:focus-within .nav-dropdown {
            opacity: 1;
            visibility: visible;
            pointer-events: auto;
            transform: translateX(-50%) translateY(0);
        }
        .nav-dropdown a {
            display: block;
            padding: 0.55rem 0.75rem;
            font-size: 0.8rem;
            color: var(--text-secondary);
            border-radius: 6px;
            transition: background-color 0.2s ease, color 0.2s ease;
            white-space: nowrap;
        }
        .nav-dropdown a:hover {
            background-color: rgba(0, 180, 216, 0.08);
            color: var(--primary);
        }

        /* 移动端导航 */
        .menu-toggle {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            color: #FFFFFF;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.2);
            cursor: pointer;
            transition: background-color 0.2s ease;
            flex-shrink: 0;
        }
        .menu-toggle:hover {
            background-color: rgba(255, 255, 255, 0.1);
        }
        .menu-toggle i {
            font-size: 1.1rem;
        }
        @media (min-width: 768px) {
            .menu-toggle {
                display: none;
            }
        }
        .mobile-menu-checkbox {
            display: none;
        }
        .mobile-menu-checkbox:checked~.mobile-nav-overlay {
            display: block;
        }
        .mobile-menu-checkbox:checked~.mobile-nav-panel {
            max-height: 480px;
            opacity: 1;
            pointer-events: auto;
        }
        .mobile-nav-overlay {
            display: none;
            position: fixed;
            inset: 64px 0 0 0;
            background: rgba(15, 23, 42, 0.5);
            z-index: 40;
        }
        .mobile-nav-panel {
            display: block;
            position: absolute;
            top: 64px;
            left: 0;
            right: 0;
            background: #FFFFFF;
            z-index: 45;
            max-height: 0;
            opacity: 0;
            pointer-events: none;
            overflow-y: auto;
            transition: max-height 0.3s ease, opacity 0.25s ease;
            box-shadow: 0 20px 40px rgba(15, 23, 42, 0.15);
            border-top: 1px solid var(--border);
        }
        .mobile-nav-panel ul {
            list-style: none;
            padding: 0.5rem 1rem 1rem;
        }
        .mobile-nav-panel li {
            border-bottom: 1px solid var(--border);
        }
        .mobile-nav-panel li>a {
            display: block;
            padding: 0.8rem 0.5rem;
            font-weight: 600;
            color: var(--text);
            font-size: 0.9rem;
        }
        .mobile-submenu {
            padding: 0 0.5rem 0.75rem;
            display: flex;
            flex-direction: column;
            gap: 0.25rem;
        }
        .mobile-submenu a {
            font-size: 0.8rem;
            color: var(--text-secondary);
            padding: 0.4rem 0.5rem;
            border-radius: 6px;
        }
        .mobile-submenu a:hover {
            background-color: rgba(0, 180, 216, 0.08);
            color: var(--primary);
        }

        /* 面包屑 */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.8rem;
            color: var(--text-muted);
            flex-wrap: wrap;
            margin-bottom: 0.6rem;
        }
        .breadcrumb a {
            color: var(--accent);
            transition: color 0.2s;
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .separator {
            color: var(--border);
        }
        .breadcrumb .current {
            color: var(--text-secondary);
            font-weight: 500;
        }

        /* 分类页 H1 */
        .category-h1 {
            font-size: clamp(1.8rem, 4vw, 2.6rem);
            font-weight: 700;
            letter-spacing: -0.5px;
            color: var(--text);
            line-height: 1.3;
            margin-bottom: 0.75rem;
        }
        .category-intro {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.9;
            max-width: 780px;
        }

        /* 板块标题 */
        .section-title {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.3px;
            margin-bottom: 0.5rem;
        }
        .section-subtitle {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 680px;
        }
        .section-head {
            margin-bottom: 2rem;
        }

        /* 板块通用 */
        .section-alt {
            background-color: #FFFFFF;
        }
        .section-plain {
            background-color: var(--bg);
        }
        .section-padding {
            padding-top: 3.5rem;
            padding-bottom: 3.5rem;
        }
        @media (min-width: 768px) {
            .section-padding {
                padding-top: 4.5rem;
                padding-bottom: 4.5rem;
            }
        }

        /* 筛选工具条 */
        .filter-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem;
        }
        .filter-tag {
            padding: 0.45rem 1rem;
            border-radius: 50px;
            border: 1px solid var(--border);
            background-color: #FFFFFF;
            color: var(--text-secondary);
            font-size: 0.82rem;
            font-weight: 500;
            cursor: default;
            transition: border-color 0.2s, color 0.2s, background-color 0.2s;
        }
        .filter-tag:hover {
            border-color: var(--accent);
            color: var(--primary);
            background-color: rgba(0, 180, 216, 0.05);
        }
        .filter-tag.tag-active {
            background-color: var(--primary);
            color: #FFFFFF;
            border-color: var(--primary);
        }

        /* 攻略卡片 */
        .guide-card {
            background-color: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: box-shadow 0.2s ease, transform 0.15s ease;
            display: flex;
            flex-direction: column;
        }
        .guide-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .guide-card .card-image-wrapper {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background-color: #E9EEF4;
        }
        .guide-card .card-image-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }
        .guide-card:hover .card-image-wrapper img {
            transform: scale(1.03);
        }
        .guide-card .card-body {
            padding: 1rem 1rem 1.2rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .guide-card .card-title {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 0.45rem;
            line-height: 1.4;
        }
        .guide-card .card-title a {
            transition: color 0.2s;
        }
        .guide-card:hover .card-title a {
            color: var(--accent);
            text-decoration: underline;
            text-decoration-thickness: 1px;
            text-underline-offset: 3px;
        }
        .guide-card .card-summary {
            font-size: 0.83rem;
            color: var(--text-secondary);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 0.75rem;
        }
        .guide-card .card-meta {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: auto;
            flex-wrap: wrap;
        }
        .guide-card .card-meta .meta-tag {
            background-color: rgba(0, 180, 216, 0.08);
            color: var(--primary);
            padding: 0.2rem 0.6rem;
            border-radius: 50px;
            font-weight: 500;
            font-size: 0.7rem;
        }
        .guide-card .card-meta .meta-date {
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }

        /* 查看更多 */
        .view-more-link {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            color: var(--accent);
            font-size: 0.85rem;
            font-weight: 500;
            padding: 0.6rem 1.2rem;
            border: 1px solid var(--accent);
            border-radius: var(--radius-btn);
            transition: background-color 0.2s, color 0.2s;
            white-space: nowrap;
        }
        .view-more-link:hover {
            background-color: var(--accent);
            color: #FFFFFF;
        }

        /* 数据速览条 */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1rem;
        }
        @media (min-width: 768px) {
            .stats-row {
                grid-template-columns: repeat(4, 1fr);
                gap: 1.5rem;
            }
        }
        .stat-card {
            background-color: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 1.2rem 1rem;
            text-align: center;
        }
        .stat-card .stat-number {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.3;
        }
        .stat-card .stat-number.highlight {
            color: var(--accent);
        }
        .stat-card .stat-label {
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-top: 0.3rem;
        }

        /* 本周热门专题 */
        .topic-card {
            background-color: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: box-shadow 0.2s ease;
        }
        .topic-card:hover {
            box-shadow: var(--shadow-hover);
        }
        .topic-card .topic-image {
            aspect-ratio: 16 / 7;
            overflow: hidden;
            background-color: #E9EEF4;
        }
        .topic-card .topic-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .topic-card .topic-body {
            padding: 1rem 1rem 1.2rem;
        }
        .topic-card .topic-title {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 0.4rem;
            line-height: 1.4;
        }
        .topic-card .topic-summary {
            font-size: 0.82rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* 支撑内容 */
        .support-card {
            background-color: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            padding: 1.5rem;
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        @media (min-width: 768px) {
            .support-card {
                flex-direction: row;
                align-items: flex-start;
                gap: 2rem;
            }
        }
        .support-card .support-left {
            flex-shrink: 0;
        }
        .support-card .support-title {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 0.3rem;
        }
        .support-card .support-right {
            flex: 1;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.9;
        }

        /* 相关专题延伸 */
        .related-card {
            background-color: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            padding: 1.2rem 1rem;
            text-align: left;
            transition: box-shadow 0.2s ease, transform 0.15s ease;
        }
        .related-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .related-card .related-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background-color: rgba(0, 180, 216, 0.1);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            margin-bottom: 0.7rem;
        }
        .related-card .related-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 0.3rem;
        }
        .related-card .related-desc {
            font-size: 0.78rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* CTA条 */
        .cta-bar {
            background-color: var(--primary);
            border-radius: var(--radius-card);
            padding: 2rem 1.5rem;
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
            align-items: center;
            text-align: center;
        }
        @media (min-width: 768px) {
            .cta-bar {
                flex-direction: row;
                justify-content: space-between;
                text-align: left;
                padding: 2.2rem 2.5rem;
            }
        }
        .cta-bar .cta-text h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 0.3rem;
        }
        .cta-bar .cta-text p {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.7;
        }
        .btn-primary {
            background-color: var(--primary);
            color: #FFFFFF;
            padding: 0.7rem 1.5rem;
            border-radius: var(--radius-btn);
            font-weight: 500;
            font-size: 0.9rem;
            border: none;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            transition: background-color 0.2s, transform 0.15s;
            white-space: nowrap;
        }
        .btn-primary:hover {
            background-color: var(--primary-hover);
        }
        .btn-primary:active {
            transform: scale(0.95);
        }
        .btn-outline-white {
            background-color: transparent;
            color: #FFFFFF;
            padding: 0.7rem 1.5rem;
            border-radius: var(--radius-btn);
            font-weight: 500;
            font-size: 0.9rem;
            border: 1px solid rgba(255, 255, 255, 0.5);
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            transition: background-color 0.2s, color 0.2s;
            white-space: nowrap;
        }
        .btn-outline-white:hover {
            background-color: rgba(255, 255, 255, 0.1);
            color: #FFFFFF;
        }
        .btn-accent {
            background-color: var(--accent);
            color: #FFFFFF;
            padding: 0.7rem 1.5rem;
            border-radius: var(--radius-btn);
            font-weight: 500;
            font-size: 0.9rem;
            border: none;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            transition: background-color 0.2s, transform 0.15s;
            white-space: nowrap;
        }
        .btn-accent:hover {
            background-color: #009BBF;
        }
        .btn-accent:active {
            transform: scale(0.95);
        }

        /* 页脚样式 */
        .site-footer {
            background-color: var(--primary);
            padding: 2.5rem 1rem 1.5rem;
            color: #FFFFFF;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            text-align: left;
        }
        @media (min-width: 768px) {
            .site-footer .footer-grid {
                grid-template-columns: 1.3fr 1fr 1fr;
                gap: 2.5rem;
            }
        }
        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 0.8rem;
        }
        .site-footer .footer-brand i {
            color: var(--accent);
        }
        .site-footer .footer-desc {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.7;
            max-width: 260px;
        }
        .site-footer h4 {
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 0.8rem;
            color: #FFFFFF;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            display: grid;
            gap: 0.5rem;
        }
        .site-footer ul a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.85rem;
            transition: color 0.2s;
        }
        .site-footer ul a:hover {
            color: var(--accent);
        }
        .site-footer .footer-contact {
            font-size: 0.83rem;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.7;
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            margin-top: 2rem;
            padding-top: 1.2rem;
            text-align: center;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.55);
        }

/* roulang page: category4 */
:root {
            --primary: #16324F;
            --primary-hover: #1D4268;
            --accent: #00B4D8;
            --highlight: #3DDC84;
            --bg: #F6F8FB;
            --card: #FFFFFF;
            --border: #E2E8F0;
            --text: #0F172A;
            --text-secondary: #475569;
            --text-muted: #94A3B8;
            --radius-card: 12px;
            --radius-btn: 8px;
            --shadow-sm: 0 2px 12px rgba(15, 23, 42, 0.06);
            --shadow-hover: 0 8px 24px rgba(15, 23, 42, 0.10);
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.8;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease, transform 0.15s ease;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
        }
        button:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: 4px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 2rem;
            padding-right: 2rem;
        }
        /* 导航栏 */
        .site-header {
            background-color: var(--primary);
            position: sticky;
            top: 0;
            z-index: 50;
            box-shadow: 0 2px 16px rgba(15, 23, 42, 0.18);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 1.5rem;
            flex-wrap: nowrap;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            color: #FFFFFF;
            font-weight: 700;
            font-size: 1.25rem;
            letter-spacing: -0.5px;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .logo-link .logo-icon {
            width: 28px;
            height: 28px;
            background-color: var(--accent);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            color: #FFFFFF;
            flex-shrink: 0;
        }
        .nav-list-desktop {
            display: none;
            align-items: center;
            gap: 2rem;
            list-style: none;
            white-space: nowrap;
        }
        @media (min-width: 1024px) {
            .nav-list-desktop {
                display: flex;
            }
        }
        .nav-list-desktop>li {
            position: relative;
            display: flex;
            align-items: center;
        }
        .nav-list-desktop>li>a {
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.875rem;
            font-weight: 500;
            padding: 0.5rem 0;
            display: inline-block;
            transition: color 0.2s ease;
            letter-spacing: 0.2px;
        }
        .nav-list-desktop>li:hover>a,
        .nav-list-desktop>li>a.active {
            color: #FFFFFF;
        }
        .nav-list-desktop>li>a.active::after {
            content: "";
            display: block;
            width: 100%;
            height: 2px;
            background-color: var(--accent);
            margin-top: 2px;
            border-radius: 2px;
        }
        .dropdown-panel {
            position: absolute;
            top: 100%;
            left: 50%;
            transform: translateX(-50%) translateY(8px);
            background: #FFFFFF;
            border-radius: 8px;
            box-shadow: 0 12px 32px rgba(15, 23, 42, 0.18);
            padding: 0.75rem;
            min-width: 180px;
            opacity: 0;
            visibility: hidden;
            pointer-events: none;
            transition: all 0.2s ease;
            z-index: 55;
            border: 1px solid var(--border);
        }
        .nav-list-desktop>li:hover .dropdown-panel,
        .nav-list-desktop>li:focus-within .dropdown-panel {
            opacity: 1;
            visibility: visible;
            pointer-events: auto;
            transform: translateX(-50%) translateY(0);
        }
        .dropdown-panel a {
            display: block;
            padding: 0.55rem 0.75rem;
            font-size: 0.8rem;
            color: var(--text-secondary);
            border-radius: 6px;
            transition: background-color 0.2s ease, color 0.2s ease;
        }
        .dropdown-panel a:hover {
            background-color: rgba(0, 180, 216, 0.08);
            color: var(--primary);
        }
        /* 移动端导航 */
        .menu-toggle {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            color: #FFFFFF;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.2);
            cursor: pointer;
            transition: background-color 0.2s ease;
            flex-shrink: 0;
        }
        .menu-toggle:hover {
            background-color: rgba(255, 255, 255, 0.1);
        }
        .menu-toggle i {
            font-size: 1.1rem;
        }
        .mobile-menu-checkbox {
            display: none;
        }
        .mobile-menu-checkbox:checked~.mobile-nav-overlay {
            display: block;
        }
        .mobile-menu-checkbox:checked~.mobile-nav-panel {
            max-height: 480px;
            opacity: 1;
            pointer-events: auto;
        }
        .mobile-nav-overlay {
            display: none;
            position: fixed;
            inset: 64px 0 0 0;
            background: rgba(15, 23, 42, 0.5);
            z-index: 40;
        }
        .mobile-nav-panel {
            display: block;
            position: absolute;
            top: 64px;
            left: 0;
            right: 0;
            background: #FFFFFF;
            z-index: 45;
            max-height: 0;
            opacity: 0;
            pointer-events: none;
            overflow-y: auto;
            transition: max-height 0.3s ease, opacity 0.25s ease;
            box-shadow: 0 20px 40px rgba(15, 23, 42, 0.15);
            border-top: 1px solid var(--border);
        }
        .mobile-nav-panel ul {
            list-style: none;
            padding: 0.5rem 1rem 1rem;
        }
        .mobile-nav-panel li {
            border-bottom: 1px solid var(--border);
        }
        .mobile-nav-panel li:last-child {
            border-bottom: none;
        }
        .mobile-nav-panel>ul>li>a {
            display: block;
            padding: 0.75rem 0.25rem;
            font-weight: 600;
            color: var(--text);
            font-size: 0.95rem;
        }
        .mobile-submenu {
            padding: 0.25rem 0.5rem 0.5rem;
            display: flex;
            flex-wrap: wrap;
            gap: 0.35rem;
        }
        .mobile-submenu a {
            font-size: 0.78rem;
            color: var(--text-secondary);
            background: var(--bg);
            padding: 0.35rem 0.6rem;
            border-radius: 6px;
            font-weight: 400;
        }
        .mobile-submenu a:hover {
            color: var(--accent);
            background: rgba(0, 180, 216, 0.08);
        }

        /* 通用板块样式 */
        .section-box {
            padding: 3.5rem 0;
        }
        @media (min-width: 768px) {
            .section-box {
                padding: 4rem 0;
            }
        }
        .card-hover {
            transition: box-shadow 0.2s ease, transform 0.15s ease;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
        }
        .card-hover:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .btn-primary {
            background-color: var(--primary);
            color: #FFFFFF;
            padding: 0.75rem 1.25rem;
            border-radius: var(--radius-btn);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            transition: all 0.2s ease;
            border: 1px solid var(--primary);
        }
        .btn-primary:hover {
            background-color: var(--primary-hover);
            border-color: var(--primary-hover);
            box-shadow: 0 4px 14px rgba(22, 50, 79, 0.25);
        }
        .btn-primary:active {
            transform: scale(0.97);
        }
        .btn-outline {
            border: 1px solid var(--primary);
            color: var(--primary);
            padding: 0.75rem 1.25rem;
            border-radius: var(--radius-btn);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            transition: all 0.2s ease;
            background: transparent;
        }
        .btn-outline:hover {
            background-color: var(--primary);
            color: #FFFFFF;
        }
        .badge-tag {
            display: inline-flex;
            align-items: center;
            font-size: 0.75rem;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 999px;
            padding: 0.3rem 0.7rem;
            transition: all 0.2s ease;
        }
        .badge-tag:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: rgba(0, 180, 216, 0.05);
        }
        .badge-highlight {
            background: rgba(61, 220, 132, 0.12);
            color: #1a9e58;
            border: 1px solid rgba(61, 220, 132, 0.3);
            border-radius: 999px;
            padding: 0.25rem 0.7rem;
            font-size: 0.7rem;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }
        .text-accent {
            color: var(--accent);
        }
        .text-highlight {
            color: #1a9e58;
        }
        .bg-primary {
            background-color: var(--primary);
        }
        .bg-card {
            background-color: var(--card);
        }
        .bg-soft {
            background-color: var(--bg);
        }
        .stat-number {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }
        .stat-number-accent {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
        }
        .section-title {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.3px;
        }
        .section-subtitle {
            font-size: 0.95rem;
            color: var(--text-secondary);
            max-width: 680px;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.8rem;
            color: var(--text-muted);
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-secondary);
            transition: color 0.2s ease;
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }
        .breadcrumb .sep {
            color: var(--text-muted);
            font-size: 0.7rem;
        }
        .breadcrumb .current {
            color: var(--text);
            font-weight: 500;
        }
        .filter-tag {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            padding: 0.45rem 0.9rem;
            border-radius: 999px;
            font-size: 0.8rem;
            font-weight: 500;
            background: #FFFFFF;
            border: 1px solid var(--border);
            color: var(--text-secondary);
            transition: all 0.2s ease;
            cursor: pointer;
            white-space: nowrap;
        }
        .filter-tag:hover,
        .filter-tag.active {
            border-color: var(--accent);
            color: var(--primary);
            background: rgba(0, 180, 216, 0.06);
        }
        .filter-tag.active {
            border-color: var(--accent);
            color: var(--primary);
        }
        .filter-tag .count {
            font-size: 0.7rem;
            color: var(--text-muted);
            background: var(--bg);
            border-radius: 999px;
            padding: 0.1rem 0.5rem;
        }
        .info-item {
            display: flex;
            align-items: flex-start;
            gap: 0.6rem;
            color: var(--text-secondary);
            font-size: 0.85rem;
            line-height: 1.6;
        }
        .info-item i {
            color: var(--accent);
            margin-top: 0.2rem;
            flex-shrink: 0;
        }
        .divider-light {
            height: 1px;
            background: var(--border);
            border: none;
            margin: 1.5rem 0;
        }

        /* 选手数据页特有 */
        .player-card-img {
            aspect-ratio: 16/9;
            background-color: #e8edf3;
            width: 100%;
            border-radius: var(--radius-card) var(--radius-card) 0 0;
            overflow: hidden;
        }
        .player-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .player-stat-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.35rem 0;
            border-bottom: 1px dashed var(--border);
            font-size: 0.8rem;
            color: var(--text-secondary);
        }
        .player-stat-row:last-child {
            border-bottom: none;
        }
        .player-stat-row .label {
            color: var(--text-muted);
        }
        .player-stat-row .value {
            font-weight: 700;
            color: var(--text);
        }
        .trend-up {
            color: #1a9e58;
            font-weight: 600;
        }
        .trend-down {
            color: #dc2626;
            font-weight: 600;
        }

/* roulang page: category3 */
:root {
            --primary: #16324F;
            --primary-hover: #1D4268;
            --accent: #00B4D8;
            --highlight: #3DDC84;
            --bg: #F6F8FB;
            --card: #FFFFFF;
            --border: #E2E8F0;
            --text: #0F172A;
            --text-secondary: #475569;
            --text-muted: #94A3B8;
            --radius-card: 12px;
            --radius-btn: 8px;
            --shadow-sm: 0 2px 12px rgba(15, 23, 42, 0.06);
            --shadow-hover: 0 8px 24px rgba(15, 23, 42, 0.10);
        }
        
        html {
            scroll-behavior: smooth;
        }
        
        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.8;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        
        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease, transform 0.15s ease;
        }
        
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
        }
        
        button:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: 4px;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 2rem;
            padding-right: 2rem;
        }
        
        /* 导航栏 */
        .site-header {
            background-color: var(--primary);
            position: sticky;
            top: 0;
            z-index: 50;
            box-shadow: 0 2px 16px rgba(15, 23, 42, 0.18);
        }
        
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 1.5rem;
            flex-wrap: nowrap;
        }
        
        .logo-link {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            color: #FFFFFF;
            font-weight: 700;
            font-size: 1.25rem;
            letter-spacing: -0.5px;
            white-space: nowrap;
            flex-shrink: 0;
        }
        
        .logo-link .logo-icon {
            width: 28px;
            height: 28px;
            background-color: var(--accent);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            color: #FFFFFF;
            flex-shrink: 0;
        }
        
        .nav-list-desktop {
            display: none;
            align-items: center;
            gap: 2rem;
            list-style: none;
            white-space: nowrap;
            margin: 0;
            padding: 0;
        }
        
        @media (min-width: 768px) {
            .nav-list-desktop {
                display: flex;
            }
        }
        
        .nav-list-desktop>li {
            position: relative;
            display: flex;
            align-items: center;
        }
        
        .nav-list-desktop>li>a {
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.875rem;
            font-weight: 500;
            padding: 0.5rem 0;
            display: inline-block;
            transition: color 0.2s ease;
            letter-spacing: 0.2px;
        }
        
        .nav-list-desktop>li>a:hover,
        .nav-list-desktop>li>a.active {
            color: #FFFFFF;
        }
        
        .nav-list-desktop>li>a.active::after {
            content: "";
            display: block;
            width: 100%;
            height: 2px;
            background-color: var(--accent);
            margin-top: 2px;
            border-radius: 2px;
        }
        
        .nav-list-desktop .dropdown-panel {
            position: absolute;
            top: 100%;
            left: 50%;
            transform: translateX(-50%) translateY(8px);
            background: #FFFFFF;
            border-radius: 8px;
            box-shadow: 0 12px 32px rgba(15, 23, 42, 0.14);
            padding: 0.75rem;
            min-width: 180px;
            opacity: 0;
            visibility: hidden;
            pointer-events: none;
            transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s;
            z-index: 60;
        }
        
        .nav-list-desktop>li:hover .dropdown-panel,
        .nav-list-desktop>li:focus-within .dropdown-panel {
            opacity: 1;
            visibility: visible;
            pointer-events: auto;
            transform: translateX(-50%) translateY(0);
        }
        
        .dropdown-panel a {
            display: block;
            padding: 0.55rem 0.75rem;
            font-size: 0.8rem;
            color: var(--text-secondary);
            border-radius: 6px;
            transition: background-color 0.2s ease, color 0.2s ease;
            white-space: nowrap;
        }
        
        .dropdown-panel a:hover {
            background-color: rgba(0, 180, 216, 0.08);
            color: var(--primary);
        }
        
        /* 移动端导航 */
        .menu-toggle {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            color: #FFFFFF;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.2);
            cursor: pointer;
            transition: background-color 0.2s ease;
            flex-shrink: 0;
        }
        
        @media (min-width: 768px) {
            .menu-toggle {
                display: none;
            }
        }
        
        .menu-toggle:hover {
            background-color: rgba(255, 255, 255, 0.1);
        }
        
        .menu-toggle i {
            font-size: 1.1rem;
        }
        
        .mobile-menu-checkbox {
            display: none;
        }
        
        .mobile-menu-checkbox:checked~.mobile-nav-overlay {
            display: block;
        }
        
        .mobile-menu-checkbox:checked~.mobile-nav-panel {
            max-height: 600px;
            opacity: 1;
            pointer-events: auto;
        }
        
        .mobile-nav-overlay {
            display: none;
            position: fixed;
            inset: 64px 0 0 0;
            background: rgba(15, 23, 42, 0.5);
            z-index: 40;
        }
        
        .mobile-nav-panel {
            display: block;
            position: absolute;
            top: 64px;
            left: 0;
            right: 0;
            background: #FFFFFF;
            z-index: 45;
            max-height: 0;
            opacity: 0;
            pointer-events: none;
            overflow-y: auto;
            transition: max-height 0.35s ease, opacity 0.28s ease;
            box-shadow: 0 20px 40px rgba(15, 23, 42, 0.15);
            border-top: 1px solid var(--border);
        }
        
        .mobile-nav-panel ul {
            list-style: none;
            padding: 0.5rem 1rem 1.5rem;
            margin: 0;
        }
        
        .mobile-nav-panel>ul>li {
            border-bottom: 1px solid var(--border);
        }
        
        .mobile-nav-panel>ul>li>a {
            display: block;
            padding: 0.8rem 0.25rem;
            font-weight: 600;
            color: var(--text);
            font-size: 0.95rem;
        }
        
        .mobile-nav-panel>ul>li>a.active {
            color: var(--accent);
        }
        
        .mobile-nav-panel .mobile-submenu {
            padding: 0 0 0.75rem 0.5rem;
            display: flex;
            flex-direction: column;
            gap: 0.15rem;
        }
        
        .mobile-nav-panel .mobile-submenu a {
            display: block;
            padding: 0.5rem 0.5rem;
            font-size: 0.82rem;
            color: var(--text-secondary);
            border-radius: 4px;
            transition: background-color 0.2s ease, color 0.2s ease;
        }
        
        .mobile-nav-panel .mobile-submenu a:hover {
            background-color: rgba(0, 180, 216, 0.06);
            color: var(--primary);
        }
        
        /* 板块通用样式 */
        section {
            padding: 4rem 0;
        }
        
        @media (min-width: 768px) {
            section {
                padding: 6rem 0;
            }
        }
        
        .section-alt {
            background-color: #FFFFFF;
        }
        
        .section-bg {
            background-color: var(--bg);
        }
        
        .section-label {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--accent);
            margin-bottom: 0.5rem;
        }
        
        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.5px;
            line-height: 1.3;
            margin-bottom: 0.75rem;
        }
        
        @media (min-width: 768px) {
            .section-title {
                font-size: 2rem;
            }
        }
        
        .section-subtitle {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.75;
        }
        
        /* 卡片 */
        .card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: box-shadow 0.25s ease, transform 0.2s ease, border-color 0.2s ease;
        }
        
        .card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
            border-color: rgba(0, 180, 216, 0.3);
        }
        
        .card-image {
            aspect-ratio: 16/9;
            overflow: hidden;
            background-color: #EDF2F7;
        }
        
        .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.35s ease;
        }
        
        .card:hover .card-image img {
            transform: scale(1.03);
        }
        
        .card-body {
            padding: 1.25rem;
        }
        
        .card-title {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 0.4rem;
            line-height: 1.4;
        }
        
        .card-text {
            font-size: 0.86rem;
            color: var(--text-secondary);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        
        .card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem;
            margin-top: 0.8rem;
        }
        
        .card-tag {
            display: inline-flex;
            align-items: center;
            gap: 0.25rem;
            font-size: 0.72rem;
            color: var(--accent);
            background-color: rgba(0, 180, 216, 0.08);
            padding: 0.2rem 0.6rem;
            border-radius: 999px;
            font-weight: 500;
        }
        
        .card-tag.highlight-tag {
            color: var(--highlight);
            background-color: rgba(61, 220, 132, 0.1);
        }
        
        /* 按钮 */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 500;
            border-radius: var(--radius-btn);
            transition: all 0.2s ease;
            cursor: pointer;
            font-size: 0.9rem;
            line-height: 1.2;
            padding: 0.75rem 1.25rem;
            border: none;
        }
        
        .btn-primary {
            background-color: var(--primary);
            color: #FFFFFF;
        }
        
        .btn-primary:hover {
            background-color: var(--primary-hover);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(22, 50, 79, 0.2);
        }
        
        .btn-primary:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        
        .btn-primary:active {
            transform: scale(0.98);
        }
        
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
        }
        
        .btn-outline:hover {
            background-color: var(--primary);
            color: #FFFFFF;
            transform: translateY(-1px);
        }
        
        .btn-outline:active {
            transform: scale(0.98);
        }
        
        .btn-accent {
            background-color: var(--accent);
            color: #FFFFFF;
        }
        
        .btn-accent:hover {
            background-color: #0098B8;
            transform: translateY(-1px);
        }
        
        /* 面包屑 */
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.5rem;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 0.75rem;
        }
        
        .breadcrumb a {
            color: var(--text-secondary);
            transition: color 0.2s ease;
        }
        
        .breadcrumb a:hover {
            color: var(--accent);
        }
        
        .breadcrumb .separator {
            color: var(--text-muted);
            font-size: 0.7rem;
        }
        
        /* H1 */
        .page-h1 {
            font-size: clamp(1.8rem, 4vw, 2.5rem);
            font-weight: 700;
            color: var(--text);
            letter-spacing: -0.5px;
            line-height: 1.25;
            margin-top: 0;
            margin-bottom: 0.75rem;
        }
        
        /* 筛选条 */
        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem;
            align-items: center;
        }
        
        .filter-chip {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            font-size: 0.8rem;
            font-weight: 500;
            color: var(--text-secondary);
            background-color: var(--card);
            border: 1px solid var(--border);
            padding: 0.45rem 0.9rem;
            border-radius: 999px;
            cursor: pointer;
            transition: all 0.2s ease;
            white-space: nowrap;
        }
        
        .filter-chip:hover {
            border-color: var(--accent);
            color: var(--accent);
            background-color: rgba(0, 180, 216, 0.04);
        }
        
        .filter-chip.active-chip {
            background-color: var(--primary);
            color: #FFFFFF;
            border-color: var(--primary);
        }
        
        /* 数据速览 */
        .stat-mini-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 1.25rem;
            text-align: center;
            transition: box-shadow 0.25s ease;
        }
        
        .stat-mini-card:hover {
            box-shadow: var(--shadow-sm);
        }
        
        .stat-mini-value {
            font-size: 1.85rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }
        
        .stat-mini-value.accent-value {
            color: var(--accent);
        }
        
        .stat-mini-label {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-top: 0.3rem;
        }
        
        /* 专题卡 */
        .topic-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: box-shadow 0.25s ease, transform 0.2s ease;
        }
        
        .topic-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        
        .topic-card .card-image {
            aspect-ratio: 16/7;
        }
        
        .topic-card .card-body {
            padding: 1.25rem 1.5rem 1.5rem;
        }
        
        .topic-card .card-title {
            font-size: 1.1rem;
            margin-bottom: 0.4rem;
        }
        
        .topic-card .card-text {
            -webkit-line-clamp: 3;
        }
        
        /* 支撑内容区 */
        .support-block {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            padding: 2rem;
        }
        
        .support-block .support-title {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 0.8rem;
        }
        
        .support-block .support-text {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.75;
        }
        
        /* CTA条 */
        .cta-bar {
            background: linear-gradient(135deg, var(--primary) 0%, #1D4268 100%);
            border-radius: 12px;
            padding: 2rem 1.5rem;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 1rem;
            text-align: center;
            color: #FFFFFF;
        }
        
        @media (min-width: 768px) {
            .cta-bar {
                flex-direction: row;
                justify-content: space-between;
                text-align: left;
                padding: 2rem 2.5rem;
                gap: 1.5rem;
            }
        }
        
        .cta-bar .cta-title {
            font-size: 1.5rem;
            font-weight: 700;
            color: #FFFFFF;
            letter-spacing: -0.5px;
        }
        
        .cta-bar .cta-subtitle {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 0.2rem;
        }
        
        /* 相关延伸小卡 */
        .related-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 1.25rem;
            box-shadow: var(--shadow-sm);
            transition: box-shadow 0.25s ease, transform 0.2s ease;
        }
        
        .related-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        
        .related-card .related-title {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 0.4rem;
        }
        
        .related-card .related-text {
            font-size: 0.82rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }
        
        /* 页面header区域 */
        .page-header {
            padding: 2.5rem 0 1rem;
            background-color: #FFFFFF;
            border-bottom: 1px solid var(--border);
        }
        
        .page-header .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 2rem;
            padding-right: 2rem;
        }
        
        .page-header .page-intro {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 760px;
            line-height: 1.8;
            margin-top: 0.5rem;
        }
        
        /* 序号徽章 */
        .badge-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            background-color: var(--primary);
            color: #FFFFFF;
            border-radius: 50%;
            font-size: 0.8rem;
            font-weight: 700;
            flex-shrink: 0;
        }
        
        /* 响应式网格 */
        @media (max-width: 767px) {
            .container {
                padding-left: 1rem;
                padding-right: 1rem;
            }
            .page-header .container {
                padding-left: 1rem;
                padding-right: 1rem;
            }
        }
        
        /* 页脚链接 */
        footer a:hover {
            color: var(--accent) !important;
        }

/* roulang page: category5 */
:root {
      --primary: #16324F;
      --primary-hover: #1D4268;
      --accent: #00B4D8;
      --highlight: #3DDC84;
      --bg: #F6F8FB;
      --card: #FFFFFF;
      --border: #E2E8F0;
      --text: #0F172A;
      --text-secondary: #475569;
      --text-muted: #94A3B8;
      --radius-card: 12px;
      --radius-btn: 8px;
      --shadow-sm: 0 2px 12px rgba(15, 23, 42, 0.06);
      --shadow-hover: 0 8px 24px rgba(15, 23, 42, 0.10);
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      background-color: var(--bg);
      color: var(--text);
      line-height: 1.8;
      font-size: 15px;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }

    a {
      text-decoration: none;
      color: inherit;
      transition: color 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease, transform 0.15s ease;
    }

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

    button,
    input,
    select,
    textarea {
      font-family: inherit;
      font-size: inherit;
      outline: none;
    }

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

    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding-left: 2rem;
      padding-right: 2rem;
    }

    @media (max-width: 768px) {
      .container {
        padding-left: 1rem;
        padding-right: 1rem;
      }
    }

    /* 导航栏 */
    .site-header {
      background-color: var(--primary);
      position: sticky;
      top: 0;
      z-index: 50;
      box-shadow: 0 2px 16px rgba(15, 23, 42, 0.18);
    }

    .site-header .container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 64px;
      gap: 1.5rem;
      flex-wrap: nowrap;
    }

    .logo-link {
      display: flex;
      align-items: center;
      gap: 0.5rem;
      color: #FFFFFF;
      font-weight: 700;
      font-size: 1.25rem;
      letter-spacing: -0.5px;
      white-space: nowrap;
      flex-shrink: 0;
    }

    .logo-link .logo-icon {
      width: 28px;
      height: 28px;
      background-color: var(--accent);
      border-radius: 6px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.85rem;
      color: #FFFFFF;
      flex-shrink: 0;
    }

    .nav-list-desktop {
      display: none;
      align-items: center;
      gap: 2rem;
      list-style: none;
      white-space: nowrap;
    }

    @media (min-width: 768px) {
      .nav-list-desktop {
        display: flex;
      }
    }

    .nav-list-desktop>li {
      position: relative;
      display: flex;
      align-items: center;
    }

    .nav-list-desktop>li>a {
      color: rgba(255, 255, 255, 0.85);
      font-size: 0.875rem;
      font-weight: 500;
      padding: 0.5rem 0;
      display: inline-block;
      transition: color 0.2s ease;
      letter-spacing: 0.2px;
    }

    .nav-list-desktop>li>a:hover,
    .nav-list-desktop>li>a.active {
      color: #FFFFFF;
    }

    .nav-list-desktop>li>a.active::after {
      content: "";
      display: block;
      width: 100%;
      height: 2px;
      background-color: var(--accent);
      margin-top: 2px;
      border-radius: 2px;
    }

    .nav-dropdown {
      display: none;
      position: absolute;
      top: calc(100% + 8px);
      left: 50%;
      transform: translateX(-50%);
      background: #FFFFFF;
      min-width: 200px;
      border-radius: 12px;
      box-shadow: 0 12px 30px rgba(15, 23, 42, 0.12);
      padding: 0.75rem;
      z-index: 100;
    }

    .nav-list-desktop>li:hover .nav-dropdown {
      display: block;
    }

    .nav-dropdown a {
      display: block;
      padding: 0.55rem 0.75rem;
      font-size: 0.8rem;
      color: var(--text-secondary);
      border-radius: 6px;
      transition: background-color 0.2s ease, color 0.2s ease;
    }

    .nav-dropdown a:hover {
      background-color: rgba(0, 180, 216, 0.08);
      color: var(--primary);
    }

    /* 移动端导航 */
    .menu-toggle {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 40px;
      height: 40px;
      border-radius: 8px;
      color: #FFFFFF;
      background: transparent;
      border: 1px solid rgba(255, 255, 255, 0.2);
      cursor: pointer;
      transition: background-color 0.2s ease;
      flex-shrink: 0;
    }

    .menu-toggle:hover {
      background-color: rgba(255, 255, 255, 0.1);
    }

    .menu-toggle i {
      font-size: 1.1rem;
    }

    @media (min-width: 768px) {
      .menu-toggle {
        display: none;
      }
    }

    .mobile-menu-checkbox {
      display: none;
    }

    .mobile-nav-overlay {
      display: none;
      position: fixed;
      inset: 64px 0 0 0;
      background: rgba(15, 23, 42, 0.5);
      z-index: 40;
    }

    .mobile-nav-panel {
      display: none;
      position: absolute;
      top: 64px;
      left: 0;
      right: 0;
      background: #FFFFFF;
      z-index: 45;
      max-height: 0;
      opacity: 0;
      pointer-events: none;
      overflow-y: auto;
      transition: max-height 0.3s ease, opacity 0.25s ease;
      box-shadow: 0 20px 40px rgba(15, 23, 42, 0.15);
      border-top: 1px solid var(--border);
    }

    @media (max-width: 767px) {
      .mobile-nav-panel {
        display: block;
      }
    }

    .mobile-menu-checkbox:checked~.mobile-nav-overlay {
      display: block;
    }

    .mobile-menu-checkbox:checked~.mobile-nav-panel {
      max-height: 480px;
      opacity: 1;
      pointer-events: auto;
    }

    .mobile-nav-panel ul {
      list-style: none;
      padding: 0.5rem 1rem 1rem;
    }

    .mobile-nav-panel li {
      border-bottom: 1px solid var(--border);
    }

    .mobile-nav-panel li>a {
      display: block;
      padding: 0.7rem 0;
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text);
    }

    .mobile-nav-panel .mobile-submenu a {
      font-weight: 400;
      color: var(--text-secondary);
      padding-left: 0.75rem;
      font-size: 0.85rem;
    }

    /* 通用 section */
    .section {
      padding: 4.5rem 0;
    }

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

    .section-header {
      margin-bottom: 2rem;
      text-align: center;
    }

    .section-kicker {
      display: inline-block;
      font-size: 0.75rem;
      font-weight: 700;
      letter-spacing: 0.15em;
      color: var(--accent);
      text-transform: uppercase;
      margin-bottom: 0.5rem;
    }

    .section-title {
      font-size: 1.75rem;
      font-weight: 700;
      color: var(--primary);
      letter-spacing: -0.5px;
      margin-bottom: 0.5rem;
    }

    .section-subtitle {
      color: var(--text-secondary);
      font-size: 0.95rem;
      max-width: 700px;
      margin: 0 auto;
    }

    /* 页面头部 */
    .page-hero {
      padding: 3rem 0 2rem;
      background: #FFFFFF;
      border-bottom: 1px solid var(--border);
    }

    .breadcrumb {
      display: flex;
      align-items: center;
      gap: 0.5rem;
      font-size: 0.8rem;
      color: var(--text-muted);
      margin-bottom: 1rem;
    }

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

    .page-hero h1 {
      font-size: 2.25rem;
      font-weight: 700;
      color: var(--text);
      letter-spacing: -0.5px;
      margin-bottom: 1rem;
    }

    .page-intro {
      font-size: 1rem;
      color: var(--text-secondary);
      max-width: 860px;
      line-height: 1.9;
    }

    /* 筛选工具条 */
    .filter-bar {
      display: flex;
      flex-wrap: wrap;
      gap: 0.75rem;
      align-items: center;
    }

    .chip {
      padding: 0.45rem 0.9rem;
      border-radius: 999px;
      border: 1px solid var(--border);
      background: #FFFFFF;
      color: var(--text-secondary);
      font-size: 0.8rem;
      font-weight: 500;
      transition: all 0.2s ease;
      cursor: default;
    }

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

    .chip.active {
      background: var(--primary);
      border-color: var(--primary);
      color: #FFFFFF;
    }

    /* 卡片 */
    .card-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 1.5rem;
    }

    @media (min-width: 768px) {
      .card-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (min-width: 1024px) {
      .card-grid {
        grid-template-columns: repeat(3, 1fr);
      }
    }

    .card {
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: var(--radius-card);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: box-shadow 0.2s ease, transform 0.15s ease;
      display: flex;
      flex-direction: column;
    }

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

    .card-link {
      display: flex;
      flex-direction: column;
      height: 100%;
      color: inherit;
    }

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

    .card-img {
      aspect-ratio: 16/9;
      overflow: hidden;
      background: #F1F5F9;
    }

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

    .card-body {
      padding: 1.25rem;
      display: flex;
      flex-direction: column;
      flex: 1;
    }

    .card-title {
      font-size: 1.05rem;
      font-weight: 600;
      color: var(--text);
      margin-bottom: 0.5rem;
      transition: color 0.2s ease;
    }

    .card-summary {
      font-size: 0.85rem;
      color: var(--text-secondary);
      line-height: 1.7;
      margin-bottom: 1rem;
      flex: 1;
    }

    .card-meta {
      display: flex;
      align-items: center;
      gap: 0.5rem;
      flex-wrap: wrap;
    }

    .badge {
      background: rgba(0, 180, 216, 0.08);
      color: var(--accent);
      padding: 0.2rem 0.6rem;
      border-radius: 999px;
      font-size: 0.7rem;
      font-weight: 600;
    }

    .date {
      font-size: 0.75rem;
      color: var(--text-muted);
    }

    .more-link {
      text-align: center;
      margin-top: 2rem;
    }

    .more-link a {
      color: var(--accent);
      font-weight: 600;
      font-size: 0.9rem;
    }

    .more-link a:hover {
      text-decoration: underline;
    }

    /* 热门专题 */
    .topic-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 1.5rem;
    }

    @media (min-width: 768px) {
      .topic-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (min-width: 1024px) {
      .topic-grid {
        grid-template-columns: repeat(3, 1fr);
      }
    }

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

    .topic-card img {
      aspect-ratio: 16/9;
      width: 100%;
      object-fit: cover;
    }

    .topic-body {
      padding: 1.25rem;
      flex: 1;
      display: flex;
      flex-direction: column;
    }

    .topic-title {
      font-size: 1.1rem;
      font-weight: 600;
      color: var(--text);
      margin-bottom: 0.4rem;
    }

    .topic-summary {
      font-size: 0.85rem;
      color: var(--text-secondary);
      line-height: 1.7;
      margin-bottom: 1rem;
      flex: 1;
    }

    .text-link {
      color: var(--accent);
      font-weight: 500;
      font-size: 0.8rem;
    }

    .text-link:hover {
      text-decoration: underline;
    }

    /* 数据速览 */
    .data-strip {
      display: grid;
      grid-template-columns: 1fr;
      gap: 1rem;
    }

    @media (min-width: 768px) {
      .data-strip {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (min-width: 1024px) {
      .data-strip {
        grid-template-columns: repeat(4, 1fr);
      }
    }

    .data-item {
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: var(--radius-card);
      padding: 1.25rem;
      text-align: center;
      box-shadow: var(--shadow-sm);
    }

    .data-value {
      font-size: 2rem;
      font-weight: 800;
      color: var(--primary);
      line-height: 1.2;
    }

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

    .data-label {
      font-size: 0.8rem;
      color: var(--text-muted);
      margin-top: 0.3rem;
    }

    /* 支撑内容 */
    .support-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 1.5rem;
      align-items: start;
    }

    @media (min-width: 768px) {
      .support-grid {
        grid-template-columns: 1fr 1.5fr;
      }
    }

    .support-left h3 {
      font-size: 1.5rem;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 0.5rem;
    }

    .support-left p {
      color: var(--text-secondary);
      font-size: 0.9rem;
      line-height: 1.8;
    }

    .support-right {
      background: var(--bg);
      border: 1px solid var(--border);
      border-radius: var(--radius-card);
      padding: 1.5rem;
      line-height: 1.9;
      color: var(--text-secondary);
    }

    .support-right strong {
      color: var(--text);
    }

    /* 相关专题延伸 */
    .related-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 1.5rem;
    }

    @media (min-width: 768px) {
      .related-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (min-width: 1024px) {
      .related-grid {
        grid-template-columns: repeat(3, 1fr);
      }
    }

    .related-card {
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: var(--radius-card);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }

    .related-card img {
      aspect-ratio: 16/9;
      width: 100%;
      object-fit: cover;
    }

    .related-body {
      padding: 1.25rem;
    }

    .related-title {
      font-size: 1rem;
      font-weight: 600;
      color: var(--text);
      margin-bottom: 0.4rem;
    }

    .related-summary {
      font-size: 0.8rem;
      color: var(--text-secondary);
      line-height: 1.7;
    }

    /* CTA 条 */
    .cta-bar {
      background: var(--primary);
      border-radius: var(--radius-card);
      padding: 2rem;
      display: flex;
      flex-direction: column;
      gap: 1.5rem;
      align-items: center;
      text-align: center;
      color: #FFFFFF;
    }

    @media (min-width: 768px) {
      .cta-bar {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
      }
    }

    .cta-title {
      font-size: 1.5rem;
      font-weight: 700;
    }

    .cta-subtitle {
      color: rgba(255, 255, 255, 0.7);
      font-size: 0.9rem;
      margin-top: 0.5rem;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      padding: 0.7rem 1.4rem;
      border-radius: var(--radius-btn);
      font-weight: 500;
      font-size: 0.9rem;
      transition: all 0.2s ease;
      cursor: pointer;
    }

    .btn-primary {
      background: var(--primary);
      color: #FFFFFF;
      border: 1px solid var(--primary);
    }

    .btn-primary:hover {
      background: var(--primary-hover);
      border-color: var(--primary-hover);
    }

    .btn-outline {
      border: 1px solid var(--primary);
      color: var(--primary);
      background: transparent;
    }

    .btn-outline:hover {
      background: var(--primary);
      color: #FFFFFF;
    }

    .btn-light {
      background: #FFFFFF;
      color: var(--primary);
      border: 1px solid #FFFFFF;
    }

    .btn-light:hover {
      background: var(--accent);
      color: #FFFFFF;
      border-color: var(--accent);
    }

    .btn-accent {
      background: var(--accent);
      color: #FFFFFF;
      border: 1px solid var(--accent);
    }

    .btn-accent:hover {
      background: #0097B3;
      border-color: #0097B3;
    }

    /* 页脚 */
    .site-footer {
      background: #16324F;
      color: #FFFFFF;
      padding: 2.5rem 1rem 1.5rem;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 2rem;
      text-align: left;
    }

    @media (min-width: 768px) {
      .footer-grid {
        grid-template-columns: 2fr 1fr 1.5fr;
      }
    }

    .footer-brand {
      display: flex;
      align-items: center;
      gap: 0.5rem;
      font-size: 1.2rem;
      font-weight: 700;
      margin-bottom: 0.8rem;
    }

    .footer-brand i {
      color: #00B4D8;
    }

    .footer-text {
      font-size: 0.85rem;
      color: rgba(255, 255, 255, 0.65);
      line-height: 1.7;
      max-width: 260px;
    }

    .footer-heading {
      font-size: 0.9rem;
      font-weight: 600;
      margin-bottom: 0.8rem;
      color: #FFFFFF;
    }

    .footer-list {
      list-style: none;
      padding: 0;
      display: grid;
      gap: 0.5rem;
    }

    .footer-list a {
      color: rgba(255, 255, 255, 0.7);
      text-decoration: none;
      font-size: 0.85rem;
    }

    .footer-list a:hover {
      color: #FFFFFF;
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.15);
      margin-top: 2rem;
      padding-top: 1.25rem;
      text-align: center;
      font-size: 0.75rem;
      color: rgba(255, 255, 255, 0.5);
    }

/* roulang page: category6 */
:root {
            --primary: #16324F;
            --primary-hover: #1D4268;
            --accent: #00B4D8;
            --highlight: #3DDC84;
            --bg: #F6F8FB;
            --card: #FFFFFF;
            --border: #E2E8F0;
            --text: #0F172A;
            --text-secondary: #475569;
            --text-muted: #94A3B8;
            --radius-card: 12px;
            --radius-btn: 8px;
            --shadow-sm: 0 2px 12px rgba(15, 23, 42, 0.06);
            --shadow-hover: 0 8px 24px rgba(15, 23, 42, 0.10);
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.8;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease, transform 0.15s ease;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
        }
        button:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: 4px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 2rem;
            padding-right: 2rem;
        }
        @media (max-width: 767px) {
            .container {
                padding-left: 1rem;
                padding-right: 1rem;
            }
        }
        /* 导航栏 */
        .site-header {
            background-color: var(--primary);
            position: sticky;
            top: 0;
            z-index: 50;
            box-shadow: 0 2px 16px rgba(15, 23, 42, 0.18);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 1.5rem;
            flex-wrap: nowrap;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            color: #FFFFFF;
            font-weight: 700;
            font-size: 1.25rem;
            letter-spacing: -0.5px;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .logo-link .logo-icon {
            width: 28px;
            height: 28px;
            background-color: var(--accent);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            color: #FFFFFF;
            flex-shrink: 0;
        }
        .nav-list-desktop {
            display: none;
            align-items: center;
            gap: 1.75rem;
            list-style: none;
            white-space: nowrap;
            margin: 0;
            padding: 0;
        }
        @media (min-width: 1024px) {
            .nav-list-desktop {
                display: flex;
            }
        }
        .nav-list-desktop>li {
            position: relative;
            display: flex;
            align-items: center;
        }
        .nav-list-desktop>li>a {
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.875rem;
            font-weight: 500;
            padding: 0.5rem 0;
            display: inline-block;
            transition: color 0.2s ease;
            letter-spacing: 0.2px;
        }
        .nav-list-desktop>li>a:hover,
        .nav-list-desktop>li>a.active {
            color: #FFFFFF;
        }
        .nav-list-desktop>li>a.active::after {
            content: "";
            display: block;
            width: 100%;
            height: 2px;
            background-color: var(--accent);
            margin-top: 2px;
            border-radius: 2px;
        }
        .dropdown-panel {
            position: absolute;
            top: 100%;
            left: 50%;
            transform: translateX(-50%) translateY(8px);
            background: #FFFFFF;
            border-radius: var(--radius-card);
            box-shadow: 0 12px 32px rgba(15, 23, 42, 0.18);
            padding: 0.75rem;
            min-width: 180px;
            opacity: 0;
            visibility: hidden;
            pointer-events: none;
            transition: opacity 0.25s ease, visibility 0.25s ease, transform 0.25s ease;
            z-index: 60;
            border: 1px solid var(--border);
        }
        .nav-list-desktop li.has-dropdown:hover .dropdown-panel,
        .nav-list-desktop li.has-dropdown:focus-within .dropdown-panel {
            opacity: 1;
            visibility: visible;
            pointer-events: auto;
            transform: translateX(-50%) translateY(0);
        }
        .dropdown-panel a {
            display: block;
            padding: 0.55rem 0.75rem;
            font-size: 0.8rem;
            color: var(--text-secondary);
            border-radius: 6px;
            transition: background-color 0.2s ease, color 0.2s ease;
            line-height: 1.4;
        }
        .dropdown-panel a:hover {
            background-color: rgba(0, 180, 216, 0.08);
            color: var(--primary);
        }
        /* 移动端导航 */
        .menu-toggle {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            color: #FFFFFF;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.2);
            cursor: pointer;
            transition: background-color 0.2s ease;
            flex-shrink: 0;
        }
        @media (min-width: 1024px) {
            .menu-toggle {
                display: none;
            }
        }
        .menu-toggle:hover {
            background-color: rgba(255, 255, 255, 0.1);
        }
        .menu-toggle i {
            font-size: 1.1rem;
        }
        .mobile-menu-checkbox {
            display: none;
        }
        .mobile-menu-checkbox:checked~.mobile-nav-overlay {
            display: block;
        }
        .mobile-menu-checkbox:checked~.mobile-nav-panel {
            max-height: 520px;
            opacity: 1;
            pointer-events: auto;
        }
        .mobile-nav-overlay {
            display: none;
            position: fixed;
            inset: 64px 0 0 0;
            background: rgba(15, 23, 42, 0.5);
            z-index: 40;
        }
        .mobile-nav-panel {
            display: none;
            position: absolute;
            top: 64px;
            left: 0;
            right: 0;
            background: #FFFFFF;
            z-index: 45;
            max-height: 0;
            opacity: 0;
            pointer-events: none;
            overflow-y: auto;
            transition: max-height 0.3s ease, opacity 0.25s ease;
            box-shadow: 0 20px 40px rgba(15, 23, 42, 0.15);
            border-top: 1px solid var(--border);
        }
        @media (max-width: 1023px) {
            .mobile-nav-panel {
                display: block;
            }
        }
        .mobile-nav-panel ul {
            list-style: none;
            padding: 0.5rem 1rem 1rem;
            margin: 0;
        }
        .mobile-nav-panel li {
            border-bottom: 1px solid var(--border);
            padding: 0.25rem 0;
        }
        .mobile-nav-panel li:last-child {
            border-bottom: none;
        }
        .mobile-nav-panel a {
            display: block;
            padding: 0.6rem 0.5rem;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text);
        }
        .mobile-nav-panel a:hover,
        .mobile-nav-panel a.mobile-active {
            color: var(--primary);
            background-color: rgba(0, 180, 216, 0.06);
            border-radius: 6px;
        }
        .mobile-submenu {
            padding-left: 1rem;
            border-left: 2px solid var(--border);
            margin-left: 0.5rem;
        }
        .mobile-submenu a {
            font-size: 0.8rem;
            font-weight: 400;
            color: var(--text-secondary);
            padding: 0.4rem 0.5rem;
        }
        /* 区块与卡片基础 */
        section {
            padding-top: 4rem;
            padding-bottom: 4rem;
        }
        @media (min-width: 768px) {
            section {
                padding-top: 5rem;
                padding-bottom: 5rem;
            }
        }
        .section-alt {
            background-color: #FFFFFF;
        }
        .card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            transition: box-shadow 0.25s ease, transform 0.15s ease;
        }
        .card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .card-img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            border-radius: var(--radius-card) var(--radius-card) 0 0;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background-color: var(--primary);
            color: #FFFFFF;
            padding: 0.75rem 1.25rem;
            border-radius: var(--radius-btn);
            font-weight: 500;
            font-size: 0.9rem;
            border: none;
            cursor: pointer;
            transition: background-color 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
        }
        .btn-primary:hover {
            background-color: var(--primary-hover);
            box-shadow: 0 4px 16px rgba(22, 50, 79, 0.25);
        }
        .btn-primary:active {
            transform: scale(0.97);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            border: 1px solid var(--primary);
            color: var(--primary);
            padding: 0.75rem 1.25rem;
            border-radius: var(--radius-btn);
            font-weight: 500;
            font-size: 0.9rem;
            background: transparent;
            cursor: pointer;
            transition: background-color 0.2s ease, color 0.2s ease, transform 0.15s ease;
        }
        .btn-secondary:hover {
            background-color: var(--primary);
            color: #FFFFFF;
        }
        .btn-secondary:active {
            transform: scale(0.97);
        }
        .tag {
            display: inline-block;
            padding: 0.25rem 0.75rem;
            font-size: 0.75rem;
            font-weight: 500;
            border-radius: 9999px;
            background-color: rgba(0, 180, 216, 0.1);
            color: var(--accent);
            letter-spacing: 0.2px;
        }
        .tag-dark {
            background-color: rgba(22, 50, 79, 0.08);
            color: var(--primary);
        }
        .tag-green {
            background-color: rgba(61, 220, 132, 0.12);
            color: #1a9d5a;
        }
        .section-title {
            font-size: 1.65rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.3px;
            line-height: 1.3;
            margin-bottom: 0.75rem;
        }
        @media (min-width: 768px) {
            .section-title {
                font-size: 1.9rem;
            }
        }
        .section-sub {
            font-size: 0.9rem;
            color: var(--text-secondary);
            max-width: 640px;
            line-height: 1.7;
        }
        .eyebrow {
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--accent);
            margin-bottom: 0.5rem;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.5rem;
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 1rem;
        }
        .breadcrumb a {
            color: var(--primary);
            transition: color 0.2s ease;
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }
        .breadcrumb .separator {
            color: var(--text-muted);
            font-size: 0.7rem;
        }
        .breadcrumb .current {
            color: var(--text-secondary);
            font-weight: 500;
        }
        /* 卡片分类页 */
        .news-card .card-body {
            padding: 1.1rem 1.25rem 1.25rem;
        }
        .news-card .card-title {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text);
            line-height: 1.45;
            margin-bottom: 0.5rem;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card .card-summary {
            font-size: 0.82rem;
            color: var(--text-secondary);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 0.75rem;
        }
        .news-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.75rem;
            color: var(--text-muted);
        }
        .news-card .card-link {
            font-size: 0.8rem;
            font-weight: 500;
            color: var(--accent);
            transition: color 0.2s ease;
        }
        .news-card .card-link:hover {
            color: var(--primary);
        }
        .news-card:hover .card-link {
            text-decoration: underline;
            text-decoration-color: var(--accent);
        }
        /* 筛选标签 */
        .filter-tag {
            display: inline-block;
            padding: 0.4rem 1rem;
            font-size: 0.8rem;
            font-weight: 500;
            border-radius: 9999px;
            border: 1px solid var(--border);
            background-color: #FFFFFF;
            color: var(--text-secondary);
            cursor: pointer;
            transition: all 0.2s ease;
            white-space: nowrap;
        }
        .filter-tag:hover,
        .filter-tag.filter-active {
            border-color: var(--primary);
            background-color: var(--primary);
            color: #FFFFFF;
        }
        /* 数据条 */
        .stat-data-bar {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1rem;
        }
        @media (min-width: 768px) {
            .stat-data-bar {
                grid-template-columns: repeat(4, 1fr);
                gap: 1.5rem;
            }
        }
        .stat-data-item {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 1.25rem 1rem;
            text-align: center;
            box-shadow: var(--shadow-sm);
        }
        .stat-data-item .stat-num {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            letter-spacing: -0.5px;
        }
        .stat-data-item .stat-label {
            font-size: 0.78rem;
            color: var(--text-secondary);
            margin-top: 0.35rem;
        }
        /* 热门专题 */
        .topic-card {
            display: flex;
            flex-direction: column;
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: box-shadow 0.25s ease, transform 0.15s ease;
        }
        .topic-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .topic-card img {
            width: 100%;
            aspect-ratio: 21/9;
            object-fit: cover;
        }
        .topic-card .topic-body {
            padding: 1.1rem 1.25rem;
        }
        .topic-card .topic-title {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 0.4rem;
        }
        .topic-card .topic-desc {
            font-size: 0.82rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        /* 支撑内容区 */
        .support-block {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 1.75rem;
            box-shadow: var(--shadow-sm);
        }
        @media (min-width: 768px) {
            .support-block {
                grid-template-columns: 0.8fr 1.2fr;
                padding: 2rem;
                gap: 2.5rem;
                align-items: center;
            }
        }
        .support-block img {
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
            border-radius: 8px;
        }
        .support-block .support-title {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 0.6rem;
        }
        .support-block .support-text {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.75;
        }
        /* CTA条 */
        .cta-bar {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            justify-content: space-between;
            gap: 1rem;
            background: var(--primary);
            border-radius: var(--radius-card);
            padding: 2rem 1.5rem;
            color: #FFFFFF;
        }
        @media (min-width: 768px) {
            .cta-bar {
                flex-direction: row;
                align-items: center;
                padding: 2rem 2.5rem;
            }
        }
        .cta-bar .cta-title {
            font-size: 1.25rem;
            font-weight: 700;
            letter-spacing: -0.3px;
        }
        .cta-bar .cta-sub {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 0.25rem;
        }
        .cta-bar .btn-white {
            background-color: #FFFFFF;
            color: var(--primary);
            padding: 0.7rem 1.4rem;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.85rem;
            white-space: nowrap;
            transition: background-color 0.2s ease, transform 0.15s ease;
        }
        .cta-bar .btn-white:hover {
            background-color: var(--accent);
            color: #FFFFFF;
        }
        /* 页脚 */
        .site-footer {
            background-color: var(--primary);
            padding: 2.5rem 1rem 1.5rem;
            color: #FFFFFF;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            text-align: left;
        }
        @media (min-width: 768px) {
            .site-footer .footer-grid {
                grid-template-columns: 1.2fr 1fr 1fr;
            }
        }
        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 0.8rem;
        }
        .site-footer .footer-brand i {
            color: var(--accent);
        }
        .site-footer .footer-desc {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.7;
            max-width: 260px;
        }
        .site-footer h4 {
            font-size: 0.88rem;
            font-weight: 600;
            margin-bottom: 0.8rem;
            color: #FFFFFF;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            display: grid;
            gap: 0.5rem;
            margin: 0;
        }
        .site-footer ul a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            font-size: 0.82rem;
            transition: color 0.2s ease;
        }
        .site-footer ul a:hover {
            color: #FFFFFF;
        }
        .site-footer .footer-contact {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.7;
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            margin-top: 2rem;
            padding-top: 1.25rem;
            text-align: center;
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.55);
        }