/* roulang page: index */
:root {
            --color-primary: #2D5B88;
            --color-primary-dark: #1E3A57;
            --color-primary-light: #E8F0F7;
            --color-accent: #D9A441;
            --color-accent-dark: #C08A2E;
            --color-bg-body: #F7F9FB;
            --color-bg-card: #FFFFFF;
            --color-text-main: #1A2B3C;
            --color-text-sub: #5B6B7C;
            --color-line-border: #E4EAF0;
            --shadow-card: 0 4px 16px rgba(29, 45, 64, 0.06);
            --shadow-card-hover: 0 8px 24px rgba(29, 45, 64, 0.10);
            --radius-lg: 12px;
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
            background: var(--color-bg-body);
            color: var(--color-text-main);
            line-height: 1.6;
            margin: 0;
            -webkit-font-smoothing: antialiased;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            background: var(--color-primary);
            color: #fff;
            border-radius: 10px;
            font-weight: 500;
            font-size: 15px;
            transition: all 0.2s ease;
            cursor: pointer;
            border: 2px solid transparent;
        }
        .btn-primary:hover {
            background: #24496E;
            transform: translateY(-1px);
        }
        .btn-primary:focus-visible {
            outline: none;
            box-shadow: 0 0 0 4px rgba(45, 91, 136, 0.2);
        }
        .btn-primary:active {
            transform: scale(0.97);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            background: transparent;
            color: var(--color-primary);
            border: 1.5px solid var(--color-primary);
            border-radius: 10px;
            font-weight: 500;
            font-size: 15px;
            transition: all 0.2s ease;
            cursor: pointer;
        }
        .btn-outline:hover {
            background: var(--color-primary-light);
        }
        .btn-outline:focus-visible {
            outline: none;
            box-shadow: 0 0 0 4px rgba(45, 91, 136, 0.15);
        }
        .btn-outline:active {
            transform: scale(0.97);
        }

        .btn-accent {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            background: var(--color-accent);
            color: #fff;
            border-radius: 10px;
            font-weight: 500;
            font-size: 15px;
            transition: all 0.2s ease;
            cursor: pointer;
        }
        .btn-accent:hover {
            background: var(--color-accent-dark);
            transform: translateY(-1px);
        }
        .btn-accent:focus-visible {
            outline: none;
            box-shadow: 0 0 0 4px rgba(217, 164, 65, 0.25);
        }
        .btn-accent:active {
            transform: scale(0.97);
        }

        .nav-side {
            position: fixed;
            inset: 0 auto 0 0;
            width: 232px;
            background: #fff;
            border-right: 1px solid var(--color-line-border);
            display: none;
            flex-direction: column;
            z-index: 50;
            box-shadow: 4px 0 20px rgba(29, 45, 64, 0.03);
        }

        .nav-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 13px 20px;
            margin: 2px 12px;
            color: var(--color-text-sub);
            font-size: 15px;
            font-weight: 500;
            border-left: 3px solid transparent;
            border-radius: 0 8px 8px 0;
            transition: all 0.2s ease;
        }
        .nav-item:hover {
            background: var(--color-primary-light);
            color: var(--color-primary);
        }
        .nav-item.active {
            border-left-color: var(--color-accent);
            color: var(--color-primary);
            font-weight: 600;
            background: var(--color-primary-light);
        }
        .nav-item:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: -2px;
        }
        .nav-item i {
            width: 20px;
            text-align: center;
            font-size: 14px;
        }

        .card-hover {
            transition: box-shadow 0.3s ease, transform 0.3s ease;
        }
        .card-hover:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .stat-num {
            font-feature-settings: "tnum";
            font-variant-numeric: tabular-nums;
        }

        details.faq-item summary::-webkit-details-marker {
            display: none;
        }
        details.faq-item summary {
            list-style: none;
            cursor: pointer;
        }
        details.faq-item[open] .faq-icon {
            transform: rotate(180deg);
        }
        details.faq-item .faq-icon {
            transition: transform 0.3s ease;
        }

        .hero-bg {
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.08;
        }

        @media (max-width: 1023px) {
            .nav-side {
                display: none !important;
            }
        }

        @media (min-width: 1024px) {
            .nav-side {
                display: flex !important;
            }
        }

        .line-clamp-2 {
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .line-clamp-3 {
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .footer-link {
            color: rgba(255, 255, 255, 0.7);
            transition: color 0.2s ease, padding-left 0.2s ease;
        }
        .footer-link:hover {
            color: #fff;
            padding-left: 4px;
        }
        .footer-link:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

/* roulang page: category1 */
:root {
            --color-primary: #2D5B88;
            --color-primary-dark: #1E3A57;
            --color-primary-light: #E8F0F7;
            --color-accent: #D9A441;
            --color-accent-dark: #C08A2E;
            --color-bg-body: #F7F9FB;
            --color-bg-card: #FFFFFF;
            --color-text-main: #1A2B3C;
            --color-text-sub: #5B6B7C;
            --color-line-border: #E4EAF0;
            --shadow-card: 0 4px 16px rgba(29, 45, 64, 0.06);
            --shadow-card-hover: 0 8px 24px rgba(29, 45, 64, 0.10);
            --radius-xl: 12px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
            background-color: var(--color-bg-body);
            color: var(--color-text-main);
            line-height: 1.7;
            font-size: 15px;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: all 0.25s ease;
        }

        button {
            cursor: pointer;
            transition: all 0.25s ease;
        }

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

        /* ===== 左侧竖向导航 ===== */
        .sidebar-layout {
            display: flex;
            min-height: 100vh;
        }

        .sidebar-nav {
            width: 232px;
            position: sticky;
            top: 0;
            height: 100vh;
            background: #FFFFFF;
            border-right: 1px solid var(--color-line-border);
            display: flex;
            flex-direction: column;
            flex-shrink: 0;
            z-index: 50;
        }

        .sidebar-brand {
            height: 64px;
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 0 20px;
            border-bottom: 1px solid #F0F3F7;
        }

        .brand-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--color-accent);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .brand-name {
            font-size: 15px;
            font-weight: 700;
            color: var(--color-primary-dark);
            white-space: nowrap;
        }

        .sidebar-nav .nav-menu {
            flex: 1;
            padding: 16px 0;
            overflow-y: auto;
        }

        .nav-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 11px 20px;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-sub);
            border-left: 3px solid transparent;
            transition: all 0.2s ease;
        }

        .nav-item i {
            width: 18px;
            text-align: center;
            font-size: 15px;
        }

        .nav-item:hover {
            background: var(--color-primary-light);
            color: var(--color-primary);
        }

        .nav-item.active {
            background: #EDF3F9;
            color: var(--color-primary);
            font-weight: 700;
            border-left-color: var(--color-accent);
        }

        .sidebar-copyright {
            padding: 16px 20px;
            border-top: 1px solid #F0F3F7;
            font-size: 11px;
            color: #9AA8B6;
            line-height: 1.6;
        }

        .sidebar-copyright .domain {
            color: var(--color-text-sub);
        }

        /* ===== 主内容区 ===== */
        .main-content {
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
        }

        /* ===== 移动端顶部导航 ===== */
        .mobile-topbar {
            display: none;
            position: sticky;
            top: 0;
            z-index: 60;
            background: #ffffff;
            border-bottom: 1px solid var(--color-line-border);
            height: 60px;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
            box-shadow: 0 2px 8px rgba(29, 45, 64, 0.04);
        }

        .mobile-topbar .brand-name {
            font-size: 15px;
        }

        .mobile-menu-btn {
            width: 42px;
            height: 42px;
            border-radius: 10px;
            border: 1px solid var(--color-line-border);
            background: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--color-primary);
        }

        .mobile-menu-btn:hover {
            background: var(--color-primary-light);
        }

        .mobile-menu-btn:focus-visible {
            outline: 3px solid rgba(--var(--color-primary), 0.3);
        }

        .mobile-dropdown {
            display: none;
            position: fixed;
            top: 60px;
            left: 0;
            right: 0;
            background: #fff;
            border-bottom: 1px solid var(--color-line-border);
            padding: 12px 0;
            box-shadow: 0 12px 32px rgba(29, 45, 64, 0.10);
            z-index: 59;
        }

        .mobile-dropdown.open {
            display: block;
        }

        .mobile-dropdown .nav-item {
            padding: 14px 24px;
            border-left: none;
            border-bottom: 1px solid #F4F7FA;
        }

        .mobile-dropdown .nav-item:last-child {
            border-bottom: none;
        }

        /* ===== Hero 区 ===== */
        .category-hero {
            position: relative;
            background-color: var(--color-primary-dark);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            color: #fff;
            padding: 72px 0 80px;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(30, 58, 87, 0.92) 0%, rgba(30, 58, 87, 0.78) 45%, rgba(30, 58, 87, 0.45) 100%);
        }

        .category-hero .hero-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.75);
        }

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

        .breadcrumb .sep {
            color: rgba(255, 255, 255, 0.35);
        }

        .category-hero h1 {
            font-size: 40px;
            line-height: 1.2;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 16px;
            color: #fff;
        }

        .category-hero h1 .highlight {
            color: var(--color-accent);
        }

        .category-hero .hero-desc {
            font-size: 16px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.82);
            margin-bottom: 28px;
            max-width: 640px;
        }

        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-primary);
            color: #fff;
            padding: 12px 28px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 15px;
            border: 2px solid var(--color-primary);
            transition: all 0.25s ease;
        }

        .btn-primary:hover {
            background: #24496E;
            border-color: #24496E;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(36, 73, 110, 0.3);
            color: #fff;
        }

        .btn-primary:active {
            transform: scale(0.97);
        }

        .btn-ghost-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            padding: 12px 24px;
            border-radius: 10px;
            font-weight: 500;
            font-size: 15px;
            border: 1px solid rgba(255, 255, 255, 0.3);
            backdrop-filter: blur(4px);
            transition: all 0.25s ease;
        }

        .btn-ghost-light:hover {
            background: rgba(255, 255, 255, 0.2);
            border-color: rgba(255, 255, 255, 0.5);
            color: #fff;
        }

        .btn-ghost-light:active {
            transform: scale(0.97);
        }

        /* ===== 区块通用 ===== */
        .section {
            padding: 72px 0;
        }

        .section-alt {
            background: #fff;
        }

        .section-header {
            max-width: 640px;
            margin-bottom: 44px;
        }

        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-primary);
            background: var(--color-primary-light);
            padding: 4px 14px;
            border-radius: 20px;
            letter-spacing: 0.03em;
            margin-bottom: 14px;
        }

        .section-title {
            font-size: 28px;
            line-height: 1.3;
            font-weight: 800;
            color: var(--color-primary-dark);
            letter-spacing: -0.01em;
            margin-bottom: 12px;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--color-text-sub);
            line-height: 1.8;
        }

        /* ===== 数据覆盖范围卡片 ===== */
        .coverage-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .coverage-card {
            background: #fff;
            border: 1px solid var(--color-line-border);
            border-radius: var(--radius-xl);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .coverage-card::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--color-accent), transparent);
            opacity: 0;
            transition: opacity 0.3s ease;
        }

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

        .coverage-card:hover::after {
            opacity: 1;
        }

        .coverage-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: var(--color-primary-light);
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 18px;
        }

        .coverage-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-primary-dark);
            margin-bottom: 8px;
        }

        .coverage-card p {
            font-size: 14px;
            color: var(--color-text-sub);
            line-height: 1.7;
        }

        /* ===== 核心特点 ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .feature-item {
            background: #F2F6FA;
            border-radius: 14px;
            padding: 26px 20px;
            transition: all 0.3s ease;
        }

        .feature-item:hover {
            background: #EAF0F6;
            transform: translateY(-3px);
        }

        .feature-item i {
            font-size: 24px;
            color: var(--color-primary);
            margin-bottom: 14px;
        }

        .feature-item h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--color-primary-dark);
            margin-bottom: 6px;
        }

        .feature-item p {
            font-size: 13px;
            color: var(--color-text-sub);
            line-height: 1.6;
        }

        /* ===== 流程时间线 ===== */
        .process-section {
            background: var(--color-primary-dark);
            color: #fff;
        }

        .process-section .section-title {
            color: #fff;
        }

        .process-section .section-subtitle {
            color: rgba(255, 255, 255, 0.65);
        }

        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-top: 48px;
            position: relative;
        }

        .process-steps::before {
            content: '';
            position: absolute;
            top: 32px;
            left: 60px;
            right: 60px;
            height: 2px;
            background: rgba(255, 255, 255, 0.12);
        }

        .step-item {
            text-align: center;
            position: relative;
            z-index: 2;
        }

        .step-number {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: var(--color-accent);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            font-weight: 800;
            margin: 0 auto 16px;
            border: 4px solid rgba(255, 255, 255, 0.2);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
        }

        .step-item h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
            color: #fff;
        }

        .step-item p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.6;
        }

        /* ===== 数据面板 ===== */
        .data-panel {
            background: #fff;
            border-radius: 16px;
            border: 1px solid var(--color-line-border);
            box-shadow: var(--shadow-card);
            overflow: hidden;
        }

        .data-panel-header {
            background: var(--color-primary-light);
            padding: 16px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-bottom: 1px solid #DCE6EF;
        }

        .data-panel-header h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-primary-dark);
        }

        .data-panel-header .badge {
            font-size: 12px;
            background: var(--color-accent);
            color: #fff;
            padding: 3px 12px;
            border-radius: 20px;
            font-weight: 600;
        }

        .data-table {
            width: 100%;
            border-collapse: collapse;
        }

        .data-table th {
            background: #F7F9FB;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-text-sub);
            padding: 12px 16px;
            text-align: left;
            border-bottom: 1px solid var(--color-line-border);
            white-space: nowrap;
        }

        .data-table td {
            padding: 14px 16px;
            font-size: 14px;
            color: var(--color-text-main);
            border-bottom: 1px solid #F0F3F7;
        }

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

        .data-table tr:hover td {
            background: #F8FAFC;
        }

        .num-badge {
            display: inline-flex;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: var(--color-primary-light);
            color: var(--color-primary);
            font-size: 13px;
            font-weight: 700;
            align-items: center;
            justify-content: center;
            margin: 0 3px;
        }

        .num-badge.hot {
            background: #FDECF0;
            color: #D64545;
        }

        /* ===== FAQ 手风琴 ===== */
        .faq-wrap {
            max-width: 780px;
            margin: 0 auto;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--color-line-border);
            border-radius: 12px;
            margin-bottom: 14px;
            overflow: hidden;
            box-shadow: 0 2px 8px rgba(29, 45, 64, 0.03);
            transition: all 0.3s ease;
        }

        .faq-item:hover {
            border-color: #C8D4E0;
        }

        .faq-item.active {
            border-color: var(--color-primary);
            box-shadow: 0 4px 16px rgba(45, 91, 136, 0.08);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-primary-dark);
            background: transparent;
            border: none;
            text-align: left;
            gap: 16px;
        }

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

        .faq-question:focus-visible {
            outline: 3px solid rgba(45, 91, 136, 0.25);
            outline-offset: -2px;
        }

        .faq-icon {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--color-primary-light);
            color: var(--color-primary);
            font-size: 13px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: transform 0.3s ease;
        }

        .faq-item.active .faq-icon {
            transform: rotate(180deg);
            background: var(--color-primary);
            color: #fff;
        }

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

        .faq-answer-inner {
            padding: 0 22px 20px;
            font-size: 14px;
            color: var(--color-text-sub);
            line-height: 1.8;
            border-top: 1px solid #F0F3F7;
            padding-top: 16px;
        }

        /* ===== CTA 区 ===== */
        .cta-section {
            background: linear-gradient(135deg, #FBF3E2 0%, #F5E6C8 100%);
            border-radius: 20px;
            padding: 56px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            background: rgba(217, 164, 65, 0.12);
        }

        .cta-section h2 {
            font-size: 30px;
            font-weight: 800;
            color: var(--color-primary-dark);
            margin-bottom: 12px;
            position: relative;
        }

        .cta-section p {
            color: var(--color-text-sub);
            font-size: 15px;
            margin-bottom: 28px;
            position: relative;
        }

        .cta-actions {
            display: flex;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
            position: relative;
        }

        /* ===== 页脚 ===== */
        .footer-section {
            background: var(--color-primary-dark);
            padding: 56px 0 32px;
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 44px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-brand .brand-icon {
            width: 36px;
            height: 36px;
            font-size: 14px;
        }

        .footer-brand-name {
            color: #fff;
            font-weight: 700;
            font-size: 16px;
        }

        .footer-desc {
            color: rgba(255, 255, 255, 0.55);
            font-size: 13px;
            line-height: 1.8;
            margin-top: 16px;
            max-width: 320px;
        }

        .footer-heading {
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 16px;
        }

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

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 14px;
            transition: all 0.2s ease;
        }

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

        .footer-contact p {
            color: rgba(255, 255, 255, 0.55);
            font-size: 14px;
            line-height: 1.8;
            margin-bottom: 4px;
        }

        .footer-bottom {
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            text-align: center;
            color: rgba(255, 255, 255, 0.35);
            font-size: 13px;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.45);
        }

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

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .sidebar-nav {
                display: none;
            }

            .mobile-topbar {
                display: flex;
            }

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

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

            .process-steps {
                grid-template-columns: repeat(2, 1fr);
                gap: 40px 24px;
            }

            .process-steps::before {
                display: none;
            }

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

        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }

            .category-hero {
                padding: 48px 0 56px;
            }

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

            .category-hero .hero-desc {
                font-size: 15px;
            }

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

            .coverage-grid,
            .features-grid,
            .process-steps {
                grid-template-columns: 1fr;
            }

            .process-steps .step-item {
                max-width: 320px;
                margin: 0 auto;
            }

            .cta-section {
                padding: 36px 20px;
                border-radius: 14px;
            }

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

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

            .data-panel-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .data-table-container {
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
            }
        }

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

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

            .hero-cta-group {
                flex-direction: column;
                align-items: stretch;
            }

            .hero-cta-group .btn-primary,
            .hero-cta-group .btn-ghost-light {
                justify-content: center;
            }

            .coverage-card {
                padding: 20px 16px;
            }

            .faq-question {
                padding: 16px;
                font-size: 14px;
            }

            .faq-answer-inner {
                padding: 0 16px 16px;
            }
        }

/* roulang page: article */
:root {
            --color-primary: #2D5B88;
            --color-primary-dark: #1E3A57;
            --color-primary-light: #E8F0F7;
            --color-accent: #D9A441;
            --color-accent-dark: #C08A2E;
            --color-bg-body: #F7F9FB;
            --color-bg-card: #FFFFFF;
            --color-text-main: #1A2B3C;
            --color-text-sub: #5B6B7C;
            --color-line-border: #E4EAF0;
            --shadow-card: 0 4px 16px rgba(29, 45, 64, 0.06);
            --shadow-card-hover: 0 8px 24px rgba(29, 45, 64, 0.10);
            --radius-xl: 12px;
            --nav-w: 232px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
            background: var(--color-bg-body);
            color: var(--color-text-main);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            text-decoration: none;
            color: inherit;
        }

        button {
            cursor: pointer;
            font-family: inherit;
        }

        /* 导航组件 */
        .nav-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 16px;
            margin: 3px 12px;
            border-radius: 8px;
            font-size: 14px;
            color: var(--color-text-sub);
            border-left: 3px solid transparent;
            transition: all 0.2s ease;
        }

        .nav-item:hover {
            background: var(--color-primary-light);
            color: var(--color-primary);
        }

        .nav-item.active {
            background: var(--color-primary-light);
            color: var(--color-primary);
            font-weight: 600;
            border-left-color: var(--color-accent);
        }

        .nav-item i {
            width: 20px;
            text-align: center;
            font-size: 15px;
        }

        .footer-link {
            color: rgba(255, 255, 255, 0.6);
            transition: color 0.2s ease;
        }

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

        /* 文章正文排版 */
        .article-content {
            font-size: 16px;
            line-height: 1.85;
            color: var(--color-text-main);
            word-break: break-word;
        }

        .article-content p {
            margin-bottom: 1.25rem;
        }

        .article-content h2 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-top: 2.25rem;
            margin-bottom: 1rem;
            color: var(--color-text-main);
            line-height: 1.4;
        }

        .article-content h3 {
            font-size: 1.25rem;
            font-weight: 600;
            margin-top: 1.75rem;
            margin-bottom: 0.75rem;
            color: var(--color-text-main);
        }

        .article-content ul,
        .article-content ol {
            margin: 0 0 1.25rem 1.5rem;
        }

        .article-content li {
            margin-bottom: 0.4rem;
        }

        .article-content blockquote {
            border-left: 3px solid var(--color-accent);
            padding: 0.75rem 1rem;
            margin: 1.5rem 0;
            color: var(--color-text-sub);
            background: #FBF6EA;
            border-radius: 0 8px 8px 0;
            font-style: normal;
        }

        .article-content img {
            border-radius: var(--radius-xl);
            border: 1px solid var(--color-line-border);
            margin: 1.5rem auto;
        }

        .article-content a {
            color: var(--color-primary);
            text-decoration: underline;
            text-underline-offset: 3px;
            word-break: break-all;
        }

        .article-content a:hover {
            color: var(--color-accent-dark);
        }

        .article-content code {
            background: #F1F3F5;
            padding: 2px 8px;
            border-radius: 5px;
            font-size: 0.875em;
            font-family: "SF Mono", Consolas, "Courier New", monospace;
        }

        .article-content pre {
            background: #F7F9FB;
            padding: 1.25rem;
            border-radius: var(--radius-xl);
            border: 1px solid var(--color-line-border);
            overflow-x: auto;
            margin: 1.5rem 0;
            line-height: 1.6;
        }

        .article-content pre code {
            background: transparent;
            padding: 0;
            border-radius: 0;
        }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            font-size: 0.925rem;
        }

        .article-content th,
        .article-content td {
            border: 1px solid var(--color-line-border);
            padding: 0.6rem 0.8rem;
            text-align: left;
        }

        .article-content th {
            background: var(--color-primary-light);
            font-weight: 600;
        }

        /* 空态样式 */
        .empty-state {
            text-align: center;
            padding: 3.5rem 1.5rem;
            background: var(--color-bg-body);
            border-radius: var(--radius-xl);
            border: 1px dashed var(--color-line-border);
        }

        .empty-state .icon {
            font-size: 3rem;
            margin-bottom: 0.75rem;
            opacity: 0.4;
        }

        .empty-state h2 {
            font-size: 1.35rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: var(--color-text-main);
        }

        .empty-state p {
            color: var(--color-text-sub);
            margin-bottom: 1.5rem;
            font-size: 14px;
        }

        /* 卡片 hover */
        .card-hover {
            transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
        }

        .card-hover:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
            border-color: rgba(45, 91, 136, 0.2);
        }

        /* 焦点可见性 */
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
        }

        /* 移动端菜单动画 */
        .mobile-menu {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }

        .mobile-menu.open {
            max-height: 500px;
        }

/* roulang page: category2 */
:root {
  --color-primary: #2D5B88;
  --color-primary-dark: #1E3A57;
  --color-primary-light: #E8F0F7;
  --color-accent: #D9A441;
  --color-accent-dark: #C08A2E;
  --color-bg-body: #F7F9FB;
  --color-bg-card: #FFFFFF;
  --color-text-main: #1A2B3C;
  --color-text-sub: #5B6B7C;
  --color-line: #E4EAF0;
  --shadow-card: 0 4px 16px rgba(29,45,64,0.06);
  --shadow-card-hover: 0 8px 24px rgba(29,45,64,0.10);
  --radius-xl: 12px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
  background-color: #F7F9FB;
  color: #1A2B3C;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: color 0.2s ease; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; }

.container { width: 100%; max-width: 1280px; margin: 0 auto; padding: 0 1.25rem; }
@media (min-width: 768px) {
  .container { padding: 0 2rem; }
}

/* Side navigation */
.side-nav {
  position: fixed;
  inset: 0 auto 0 0;
  width: 232px;
  background: #FFFFFF;
  border-right: 1px solid #E4EAF0;
  display: flex;
  flex-direction: column;
  z-index: 50;
  transform: translateX(-100%);
  transition: transform 0.3s ease;
}
.side-nav.open { transform: translateX(0); }
.side-nav .brand { height: 64px; display: flex; align-items: center; gap: 10px; padding: 0 20px; border-bottom: 1px solid #E4EAF0; flex-shrink: 0; }
.side-nav .brand .brand-icon { width: 36px; height: 36px; border-radius: 10px; background: #D9A441; color: #fff; display: flex; align-items: center; justify-content: center; font-size: 14px; font-weight: 700; }
.side-nav .brand .brand-text { font-size: 16px; font-weight: 700; color: #1A2B3C; letter-spacing: 0.01em; }
.side-nav nav { flex: 1; padding: 20px 0; overflow-y: auto; }
.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  border-left: 3px solid transparent;
  color: #5B6B7C;
  font-size: 15px;
  font-weight: 500;
  transition: all 0.2s ease;
}
.nav-item i { width: 20px; text-align: center; font-size: 15px; color: #5B6B7C; transition: color 0.2s ease; }
.nav-item:hover { background: #E8F0F7; color: #2D5B88; }
.nav-item:hover i { color: #2D5B88; }
.nav-item.active { border-left-color: #D9A441; background: #E8F0F7; color: #2D5B88; font-weight: 600; }
.nav-item.active i { color: #2D5B88; }
.side-nav .side-footer { padding: 16px 20px; border-top: 1px solid #E4EAF0; font-size: 12px; color: #9AA5B1; flex-shrink: 0; }

/* Mobile header */
.mobile-header {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
  padding: 0 16px;
  background: #FFFFFF;
  border-bottom: 1px solid #E4EAF0;
  box-shadow: 0 2px 8px rgba(29,45,64,0.04);
}
.mobile-header .m-brand { display: flex; align-items: center; gap: 8px; }
.mobile-header .m-brand .m-icon { width: 32px; height: 32px; border-radius: 8px; background: #D9A441; color: #fff; display: flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 700; }
.mobile-header .m-brand .m-text { font-size: 16px; font-weight: 700; color: #1A2B3C; }
.mobile-burger { width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; border-radius: 8px; color: #2D5B88; font-size: 18px; transition: background 0.2s; }
.mobile-burger:hover { background: #E8F0F7; }
.mobile-menu {
  position: fixed;
  inset: 60px 0 auto 0;
  background: #FFFFFF;
  border-bottom: 1px solid #E4EAF0;
  box-shadow: 0 8px 24px rgba(29,45,64,0.08);
  transform: translateY(-100%);
  transition: transform 0.25s ease;
  z-index: 45;
  max-height: calc(100vh - 60px);
  overflow-y: auto;
}
.mobile-menu.open { transform: translateY(0); }
.mobile-menu a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  border-bottom: 1px solid #F2F5F8;
  color: #1A2B3C;
  font-size: 15px;
  font-weight: 500;
}
.mobile-menu a:hover { background: #E8F0F7; }
.mobile-menu a.active { color: #2D5B88; font-weight: 600; background: #E8F0F7; border-left: 3px solid #D9A441; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  transition: all 0.2s ease;
  text-align: center;
  border: 2px solid transparent;
}
.btn-primary {
  background: #2D5B88;
  color: #FFFFFF;
  box-shadow: 0 4px 12px rgba(45,91,136,0.2);
}
.btn-primary:hover { background: #24496E; box-shadow: 0 6px 18px rgba(45,91,136,0.28); transform: translateY(-1px); }
.btn-primary:active { transform: scale(0.98); }
.btn-primary:focus { outline: none; box-shadow: 0 0 0 4px rgba(45,91,136,0.18); }
.btn-outline {
  background: transparent;
  color: #2D5B88;
  border-color: #2D5B88;
}
.btn-outline:hover { background: #E8F0F7; border-color: #24496E; color: #24496E; }
.btn-outline:active { transform: scale(0.98); }
.btn-outline:focus { outline: none; box-shadow: 0 0 0 4px rgba(45,91,136,0.15); }
.btn-accent {
  background: #D9A441;
  color: #FFFFFF;
  box-shadow: 0 4px 12px rgba(217,164,65,0.3);
}
.btn-accent:hover { background: #C08A2E; box-shadow: 0 6px 18px rgba(217,164,65,0.35); transform: translateY(-1px); }
.btn-accent:active { transform: scale(0.98); }
.btn-accent:focus { outline: none; box-shadow: 0 0 0 4px rgba(217,164,65,0.2); }
.btn-sm { padding: 8px 16px; font-size: 14px; }

/* Cards */
.card {
  background: #FFFFFF;
  border-radius: 12px;
  border: 1px solid #E4EAF0;
  box-shadow: 0 4px 16px rgba(29,45,64,0.06);
  transition: box-shadow 0.3s ease, transform 0.3s ease;
  overflow: hidden;
}
.card:hover { box-shadow: 0 8px 24px rgba(29,45,64,0.10); transform: translateY(-3px); }
.card .card-body { padding: 20px; }

/* Badge */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: 9999px;
  font-size: 12px;
  font-weight: 600;
  line-height: 1.6;
}
.badge-gold { background: #FBF3E2; color: #C08A2E; }
.badge-blue { background: #E8F0F7; color: #2D5B88; }

/* Breadcrumb */
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 14px; color: #5B6B7C; flex-wrap: wrap; }
.breadcrumb a { color: #2D5B88; transition: color 0.2s; }
.breadcrumb a:hover { color: #24496E; }
.breadcrumb .sep { color: #C0CBD6; font-size: 12px; }

/* Section */
.section { padding: 64px 0; }
.section-title { font-size: 28px; font-weight: 700; line-height: 1.3; letter-spacing: -0.01em; color: #1A2B3C; }
.section-subtitle { color: #5B6B7C; font-size: 16px; margin-top: 8px; }

/* Feature icon */
.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #E8F0F7;
  color: #2D5B88;
  font-size: 20px;
  flex-shrink: 0;
}

/* Steps */
.step-num {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #2D5B88;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 16px;
  flex-shrink: 0;
}

/* FAQ */
.faq-item { background: #fff; border: 1px solid #E4EAF0; border-radius: 12px; margin-bottom: 14px; transition: box-shadow 0.2s; }
.faq-item:hover { box-shadow: 0 4px 12px rgba(29,45,64,0.05); }
.faq-item.active { box-shadow: 0 6px 16px rgba(29,45,64,0.07); }
.faq-btn { display: flex; align-items: center; justify-content: space-between; width: 100%; padding: 18px 20px; text-align: left; font-size: 15px; font-weight: 600; color: #1A2B3C; }
.faq-btn i { color: #2D5B88; font-size: 14px; transition: transform 0.3s ease; }
.faq-item.active .faq-btn i { transform: rotate(180deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
.faq-answer p { padding: 0 20px 18px; font-size: 14px; color: #5B6B7C; line-height: 1.75; }

/* Stats dark band */
.stats-band { background: #1E3A57; position: relative; }
.stats-band .stat-num { font-size: 44px; font-weight: 800; color: #D9A441; line-height: 1.1; }

/* CTA band */
.cta-band {
  background: linear-gradient(135deg, #FBF3E2 0%, #F5E6C8 100%);
  border-radius: 16px;
}

/* Footer */
.footer-link { color: rgba(255,255,255,0.6); transition: color 0.2s; }
.footer-link:hover { color: #D9A441; }

/* Image hover */
.img-hover { overflow: hidden; }
.img-hover img { transition: transform 0.5s ease; }
.img-hover:hover img { transform: scale(1.05); }

/* Hero */
.hero-section {
  position: relative;
  background: url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  border-radius: 16px;
  overflow: hidden;
}
.hero-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.95) 0%, rgba(255,255,255,0.88) 45%, rgba(255,255,255,0.65) 100%);
}
.hero-content { position: relative; z-index: 2; padding: 56px 48px; }

/* Responsive */
@media (min-width: 1024px) {
  .side-nav { transform: translateX(0); }
  .mobile-header { display: none; }
  .lg-pl-nav { padding-left: 232px; }
}

@media (max-width: 1023px) {
  .hero-content { padding: 36px 24px; }
  .section { padding: 48px 0; }
}

@media (max-width: 640px) {
  .hero-content { padding: 28px 20px; }
  .section-title { font-size: 22px; }
  .stats-band .stat-num { font-size: 32px; }
}

/* roulang page: category3 */
:root {
            --color-primary: #2D5B88;
            --color-primary-dark: #1E3A57;
            --color-primary-light: #E8F0F7;
            --color-accent: #D9A441;
            --color-accent-dark: #C08A2E;
            --color-bg-body: #F7F9FB;
            --color-bg-card: #FFFFFF;
            --color-text-main: #1A2B3C;
            --color-text-sub: #5B6B7C;
            --color-line-border: #E4EAF0;
            --shadow-card: 0 4px 16px rgba(29, 45, 64, 0.06);
            --shadow-card-lg: 0 8px 24px rgba(29, 45, 64, 0.10);
            --radius-xl: 12px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
            background: var(--color-bg-body);
            color: var(--color-text-main);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        img {
            max-width: 100%;
            display: block;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
            font-family: inherit;
        }

        /* 左侧导航 */
        .nav-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 11px 20px;
            color: var(--color-text-sub);
            font-size: 14px;
            font-weight: 500;
            border-left: 3px solid transparent;
            transition: all 0.25s ease;
            outline: none;
        }
        .nav-item:hover {
            color: var(--color-primary);
            background: var(--color-primary-light);
        }
        .nav-item:focus-visible {
            color: var(--color-primary);
            background: var(--color-primary-light);
        }
        .nav-item.active {
            color: var(--color-primary);
            background: var(--color-primary-light);
            border-left-color: var(--color-accent);
            font-weight: 600;
        }
        .nav-item i {
            width: 20px;
            text-align: center;
            font-size: 15px;
        }

        /* 移动端导航 */
        .mobile-nav-link {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 14px;
            color: var(--color-text-sub);
            font-size: 15px;
            border-radius: 8px;
            transition: all 0.2s ease;
        }
        .mobile-nav-link:hover {
            background: var(--color-primary-light);
            color: var(--color-primary);
        }
        .mobile-nav-link.active {
            background: var(--color-primary-light);
            color: var(--color-primary);
            font-weight: 600;
        }

        /* 页脚 */
        .footer-link {
            color: rgba(255, 255, 255, 0.6);
            transition: color 0.2s ease;
        }
        .footer-link:hover {
            color: var(--color-accent);
        }

        /* 卡片阴影 */
        .shadow-card {
            box-shadow: var(--shadow-card);
        }
        .shadow-card-lg {
            box-shadow: var(--shadow-card-lg);
        }
        .card-hover {
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .card-hover:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-lg);
        }

        /* 图片缩放 */
        .img-zoom {
            transition: transform 0.5s ease;
        }
        .img-zoom:hover {
            transform: scale(1.05);
        }

        /* FAQ 手风琴 */
        .faq-item {
            background: #fff;
            border: 1px solid var(--color-line-border);
            border-radius: 12px;
            padding: 20px 24px;
            transition: box-shadow 0.3s ease;
        }
        .faq-item:hover {
            box-shadow: var(--shadow-card);
        }
        .faq-icon i {
            transition: transform 0.3s ease;
            font-size: 14px;
            color: var(--color-accent);
        }
        details[open] .faq-icon i {
            transform: rotate(180deg);
        }
        .faq-answer {
            margin-top: 14px;
            padding-left: 2px;
            color: var(--color-text-sub);
            font-size: 14px;
            line-height: 1.8;
            border-left: 3px solid var(--color-accent);
            padding-left: 16px;
        }

        /* 按钮 */
        .btn-primary {
            background: var(--color-primary);
            color: #fff;
            padding: 12px 28px;
            border-radius: 8px;
            font-weight: 500;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all 0.25s ease;
            box-shadow: 0 2px 8px rgba(45, 91, 136, 0.18);
        }
        .btn-primary:hover {
            background: #24496E;
            box-shadow: 0 4px 14px rgba(45, 91, 136, 0.26);
            transform: translateY(-1px);
        }
        .btn-primary:focus-visible {
            outline: 4px solid #DBEAFE;
            outline-offset: 2px;
        }
        .btn-primary:active {
            transform: scale(0.98);
        }
        .btn-accent {
            background: var(--color-accent);
            color: #fff;
            padding: 12px 28px;
            border-radius: 8px;
            font-weight: 500;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all 0.25s ease;
            box-shadow: 0 2px 8px rgba(217, 164, 65, 0.2);
        }
        .btn-accent:hover {
            background: var(--color-accent-dark);
            box-shadow: 0 4px 14px rgba(217, 164, 65, 0.3);
            transform: translateY(-1px);
        }
        .btn-accent:focus-visible {
            outline: 4px solid #FEF3C7;
            outline-offset: 2px;
        }
        .btn-accent:active {
            transform: scale(0.98);
        }
        .btn-outline-light {
            border: 1px solid rgba(255, 255, 255, 0.35);
            color: #fff;
            padding: 12px 28px;
            border-radius: 8px;
            font-weight: 500;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all 0.25s ease;
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.6);
        }
        .btn-outline-light:focus-visible {
            outline: 4px solid rgba(255, 255, 255, 0.2);
            outline-offset: 2px;
        }

        /* 数字 tabular */
        .tabular-nums {
            font-variant-numeric: tabular-nums;
            font-feature-settings: "tnum";
        }

        /* 统计数字 */
        .stat-num {
            font-variant-numeric: tabular-nums;
            letter-spacing: -0.02em;
        }

        /* 面包屑 */
        .breadcrumb-link {
            transition: color 0.2s ease;
        }
        .breadcrumb-link:hover {
            color: #fff;
        }