/* roulang page: index */
:root {
            --primary: #1A5CFF;
            --primary-dark: #0E3FB8;
            --primary-light: #EAF0FF;
            --secondary: #00C896;
            --secondary-dark: #00A57C;
            --secondary-light: #E6FAF4;
            --dark: #0B1120;
            --bg: #F7F9FC;
            --bg-soft: #F0F4FA;
            --text: #1A2233;
            --text-weak: #5A6478;
            --text-light: #8A93A8;
            --border: #E6EAF2;
            --radius: 18px;
            --radius-sm: 12px;
            --radius-xs: 8px;
            --shadow: 0 10px 30px rgba(11, 17, 32, 0.06);
            --shadow-lg: 0 24px 60px rgba(11, 17, 32, 0.12);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Inter', 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section {
            padding: 96px 0;
        }

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

        .section-head {
            max-width: 640px;
            margin-bottom: 56px;
        }

        .section-head-center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        .section-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 1.5px;
            color: var(--primary);
            background: var(--primary-light);
            padding: 6px 16px;
            border-radius: 999px;
            margin-bottom: 16px;
        }

        .section-title {
            font-size: 36px;
            font-weight: 800;
            line-height: 1.3;
            color: var(--dark);
            letter-spacing: -0.02em;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-weak);
            margin-top: 14px;
            line-height: 1.8;
        }

        /* ===== Top Bar ===== */
        .topbar {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.85);
            font-size: 13px;
            padding: 8px 0;
        }

        .topbar-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
        }

        .topbar-domain {
            color: rgba(255, 255, 255, 0.55);
            font-family: 'SF Mono', 'Consolas', monospace;
        }

        .topbar-tip {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .topbar-tip i {
            color: var(--secondary);
        }

        .topbar-right {
            display: flex;
            align-items: center;
            gap: 20px;
        }

        .topbar-right a {
            color: rgba(255, 255, 255, 0.8);
        }

        .topbar-right a:hover {
            color: #fff;
        }

        /* ===== Header ===== */
        .main-header {
            background: #ffffff;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 24px rgba(11, 17, 32, 0.04);
        }

        .header-inner {
            display: flex;
            align-items: center;
            height: 76px;
            gap: 32px;
        }

        .brand-logo {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
            flex-shrink: 0;
        }

        .brand-logo .logo-main {
            font-size: 22px;
            font-weight: 800;
            color: var(--dark);
            letter-spacing: -0.02em;
        }

        .brand-logo .logo-main span {
            color: var(--primary);
        }

        .brand-logo .logo-sub {
            font-size: 11px;
            color: var(--text-light);
            letter-spacing: 2px;
            font-weight: 500;
        }

        .main-nav {
            display: flex;
            gap: 4px;
            flex: 1;
        }

        .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-weak);
            padding: 10px 18px;
            border-radius: 10px;
            position: relative;
        }

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

        .nav-link.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary);
            border-radius: 999px;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            padding: 12px 24px;
            border-radius: 12px;
            transition: var(--transition);
            cursor: pointer;
            border: 2px solid transparent;
            line-height: 1;
            text-align: center;
        }

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

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 12px 24px rgba(26, 92, 255, 0.25);
        }

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

        .btn-secondary:hover {
            background: var(--secondary-dark);
            transform: translateY(-2px);
            box-shadow: 0 12px 24px rgba(0, 200, 150, 0.25);
        }

        .btn-outline-light {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.5);
            color: #fff;
            backdrop-filter: blur(8px);
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: #fff;
        }

        .btn-outline {
            background: transparent;
            border-color: var(--border);
            color: var(--text);
        }

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

        .btn-lg {
            padding: 16px 32px;
            font-size: 15px;
            border-radius: 14px;
        }

        .btn:focus-visible {
            outline: 3px solid rgba(26, 92, 255, 0.4);
            outline-offset: 2px;
        }

        .mobile-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: 8px;
            cursor: pointer;
        }

        .mobile-toggle span {
            width: 22px;
            height: 2px;
            background: var(--dark);
            border-radius: 2px;
            transition: var(--transition);
        }

        .mobile-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .mobile-toggle.active span:nth-child(2) {
            opacity: 0;
        }

        .mobile-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 560px;
            background-size: cover;
            background-position: center;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(11, 17, 32, 0.85) 0%, rgba(11, 17, 32, 0.65) 50%, rgba(11, 17, 32, 0.3) 100%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            padding: 100px 0;
            width: 100%;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(0, 200, 150, 0.15);
            border: 1px solid rgba(0, 200, 150, 0.4);
            color: #5dffce;
            font-size: 13px;
            font-weight: 600;
            padding: 8px 18px;
            border-radius: 999px;
            margin-bottom: 24px;
            backdrop-filter: blur(8px);
        }

        .hero h1 {
            font-size: 52px;
            font-weight: 800;
            color: #fff;
            line-height: 1.15;
            letter-spacing: -0.02em;
            margin-bottom: 20px;
            max-width: 640px;
        }

        .hero h1 .accent {
            color: #6ee7ff;
        }

        .hero-sub {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 560px;
            line-height: 1.8;
            margin-bottom: 36px;
        }

        .hero-buttons {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 40px;
        }

        .hero-meta {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
        }

        .hero-meta-item {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .hero-meta-item i {
            color: var(--secondary);
            font-size: 16px;
        }

        /* ===== Ticker ===== */
        .ticker {
            background: #fff;
            border-bottom: 1px solid var(--border);
            padding: 12px 0;
        }

        .ticker-inner {
            display: flex;
            align-items: center;
            gap: 16px;
            overflow: hidden;
            white-space: nowrap;
        }

        .ticker-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--secondary-light);
            color: var(--secondary-dark);
            font-size: 13px;
            font-weight: 700;
            padding: 6px 14px;
            border-radius: 999px;
            flex-shrink: 0;
        }

        .ticker-label i {
            font-size: 12px;
        }

        .ticker-items {
            display: flex;
            gap: 32px;
            overflow: hidden;
            flex: 1;
        }

        .ticker-item {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-weak);
            animation: tickerScroll 24s linear infinite;
        }

        .ticker-item i {
            color: var(--primary);
            font-size: 12px;
        }

        @keyframes tickerScroll {
            0% {
                transform: translateX(0);
            }
            100% {
                transform: translateX(-100%);
            }
        }

        /* ===== Feature Cards ===== */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .feature-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 36px 30px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            opacity: 0;
            transition: var(--transition);
        }

        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }

        .feature-card:hover::before {
            opacity: 1;
        }

        .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 24px;
            background: var(--primary-light);
            color: var(--primary);
        }

        .feature-card:nth-child(2) .feature-icon {
            background: var(--secondary-light);
            color: var(--secondary-dark);
        }

        .feature-card:nth-child(3) .feature-icon {
            background: #FFF4E5;
            color: #F5A623;
        }

        .feature-card:nth-child(4) .feature-icon {
            background: #F0ECFE;
            color: #7C5CFC;
        }

        .feature-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 10px;
        }

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

        /* ===== Category Cards ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .category-card {
            border-radius: var(--radius);
            overflow: hidden;
            background: #fff;
            border: 1px solid var(--border);
            transition: var(--transition);
            position: relative;
        }

        .category-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
        }

        .category-card-img {
            height: 220px;
            overflow: hidden;
            position: relative;
        }

        .category-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .category-card:hover .category-card-img img {
            transform: scale(1.05);
        }

        .category-card-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 0%, rgba(11, 17, 32, 0.15) 100%);
        }

        .category-card-body {
            padding: 28px;
        }

        .category-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            color: var(--primary);
            background: var(--primary-light);
            padding: 5px 12px;
            border-radius: 999px;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        .category-card h3 {
            font-size: 21px;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 8px;
        }

        .category-card p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.7;
            margin-bottom: 18px;
        }

        .category-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
        }

        .category-link:hover {
            color: var(--primary-dark);
            gap: 12px;
        }

        .category-link i {
            font-size: 12px;
        }

        /* ===== News Section ===== */
        .news-layout {
            display: grid;
            grid-template-columns: 1.6fr 1fr;
            gap: 48px;
            align-items: start;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .news-item {
            display: flex;
            gap: 20px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 18px;
            transition: var(--transition);
        }

        .news-item:hover {
            border-color: transparent;
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .news-thumb {
            width: 180px;
            height: 130px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
        }

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

        .news-item:hover .news-thumb img {
            transform: scale(1.05);
        }

        .news-info {
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .news-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 8px;
        }

        .news-cat {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--secondary-dark);
            background: var(--secondary-light);
            padding: 3px 10px;
            border-radius: 999px;
        }

        .news-cat.primary {
            color: var(--primary);
            background: var(--primary-light);
        }

        .news-date {
            font-size: 13px;
            color: var(--text-light);
        }

        .news-info h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 6px;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-info p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-empty {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 60px 30px;
            text-align: center;
            color: var(--text-weak);
            font-size: 15px;
        }

        /* Sidebar */
        .news-sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .sidebar-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 28px;
        }

        .sidebar-card-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .sidebar-card-title i {
            color: var(--primary);
        }

        .sidebar-rank {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .rank-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px dashed var(--border);
        }

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

        .rank-num {
            font-size: 15px;
            font-weight: 800;
            color: var(--primary);
            background: var(--primary-light);
            width: 32px;
            height: 32px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .rank-item:nth-child(2) .rank-num {
            color: var(--secondary-dark);
            background: var(--secondary-light);
        }

        .rank-item:nth-child(3) .rank-num {
            color: #F5A623;
            background: #FFF4E5;
        }

        .rank-item a {
            font-size: 14px;
            color: var(--text);
            line-height: 1.5;
            flex: 1;
        }

        .rank-item a:hover {
            color: var(--primary);
        }

        .sidebar-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag-chip {
            font-size: 13px;
            color: var(--text-weak);
            background: var(--bg);
            padding: 6px 14px;
            border-radius: 999px;
            border: 1px solid var(--border);
            transition: var(--transition);
        }

        .tag-chip:hover {
            color: var(--primary);
            border-color: var(--primary);
            background: var(--primary-light);
        }

        /* ===== Stats ===== */
        .stats-section {
            background: var(--dark);
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }

        .stats-section::before {
            content: '';
            position: absolute;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(26, 92, 255, 0.3) 0%, transparent 70%);
            top: -100px;
            right: -100px;
            border-radius: 50%;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            position: relative;
            z-index: 2;
        }

        .stat-block {
            text-align: center;
            padding: 32px 20px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius);
            backdrop-filter: blur(8px);
        }

        .stat-num {
            font-size: 42px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            font-family: 'SF Mono', 'Consolas', monospace;
            background: linear-gradient(135deg, #6ee7ff, #00c896);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 8px;
        }

        /* ===== Feature Panel ===== */
        .feature-panel {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
        }

        .feature-panel-img {
            border-radius: var(--radius);
            overflow: hidden;
            position: relative;
            box-shadow: var(--shadow-lg);
        }

        .feature-panel-img img {
            width: 100%;
            height: 480px;
            object-fit: cover;
        }

        .feature-panel-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 0%, rgba(11, 17, 32, 0.2) 100%);
        }

        .feature-panel-content .section-title {
            margin-bottom: 18px;
        }

        .feature-panel-content .section-subtitle {
            margin-bottom: 32px;
        }

        .panel-list {
            display: flex;
            flex-direction: column;
            gap: 18px;
            margin-bottom: 36px;
        }

        .panel-list-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
        }

        .panel-list-icon {
            width: 32px;
            height: 32px;
            border-radius: 10px;
            background: var(--secondary-light);
            color: var(--secondary-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            flex-shrink: 0;
            margin-top: 2px;
        }

        .panel-list-item h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 4px;
        }

        .panel-list-item p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.7;
        }

        /* ===== Process ===== */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            counter-reset: process;
        }

        .process-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 36px 28px;
            position: relative;
            text-align: center;
            transition: var(--transition);
        }

        .process-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }

        .process-num {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            box-shadow: 0 8px 20px rgba(26, 92, 255, 0.25);
        }

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

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

        /* ===== FAQ ===== */
        .faq-layout {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(26, 92, 255, 0.3);
        }

        .faq-item details {
            padding: 24px 28px;
        }

        .faq-item summary {
            font-size: 16px;
            font-weight: 600;
            color: var(--dark);
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }

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

        .faq-item summary::after {
            content: '+';
            font-size: 24px;
            font-weight: 400;
            color: var(--primary);
            transition: var(--transition);
            flex-shrink: 0;
        }

        .faq-item details[open] summary::after {
            transform: rotate(45deg);
        }

        .faq-item details p {
            font-size: 15px;
            color: var(--text-weak);
            line-height: 1.8;
            margin-top: 16px;
            padding-top: 16px;
            border-top: 1px dashed var(--border);
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            padding: 96px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.12) 0%, transparent 70%);
            top: -150px;
            right: -100px;
            border-radius: 50%;
        }

        .cta-content {
            text-align: center;
            position: relative;
            z-index: 2;
            max-width: 640px;
            margin: 0 auto;
        }

        .cta-content h2 {
            font-size: 38px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }

        .cta-content p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 36px;
            line-height: 1.8;
        }

        .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 72px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 48px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand .brand-logo {
            margin-bottom: 18px;
        }

        .footer-brand .brand-logo .logo-main {
            color: #fff;
            font-size: 20px;
        }

        .footer-brand .brand-logo .logo-sub {
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.55);
            max-width: 320px;
        }

        .footer-title {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 12px;
        }

        .footer-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 24px;
            height: 2px;
            background: var(--secondary);
            border-radius: 2px;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

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

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

        .footer-contact {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-contact-item {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
        }

        .footer-contact-item i {
            color: var(--secondary);
            width: 16px;
            text-align: center;
        }

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

        .footer-bottom {
            padding: 24px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.35);
        }

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

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

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

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

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

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

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

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

            .feature-panel-img img {
                height: 360px;
            }

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

        @media (max-width: 768px) {
            .section {
                padding: 64px 0;
            }

            .section-title {
                font-size: 28px;
            }

            .hero h1 {
                font-size: 34px;
            }

            .hero-sub {
                font-size: 15px;
            }

            .main-header {
                position: sticky;
            }

            .header-inner {
                height: 64px;
            }

            .main-nav {
                position: fixed;
                top: 0;
                right: -320px;
                width: 280px;
                height: 100vh;
                background: #fff;
                flex-direction: column;
                padding: 80px 24px 24px;
                gap: 8px;
                transition: right 0.3s ease;
                z-index: 1001;
                box-shadow: -8px 0 40px rgba(0, 0, 0, 0.1);
            }

            .main-nav.open {
                right: 0;
            }

            .nav-link {
                font-size: 16px;
                padding: 14px 18px;
                border-radius: 12px;
            }

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

            .mobile-toggle {
                display: flex;
            }

            .hero-content {
                padding: 72px 0;
            }

            .ticker-items {
                overflow: hidden;
                flex-wrap: nowrap;
            }

            .ticker-item {
                font-size: 13px;
            }

            .category-card-img {
                height: 180px;
            }

            .news-item {
                flex-direction: column;
            }

            .news-thumb {
                width: 100%;
                height: 180px;
            }

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

        @media (max-width: 520px) {
            .container {
                padding-left: 18px;
                padding-right: 18px;
            }

            .topbar-tip {
                display: none;
            }

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

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

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }

            .stat-num {
                font-size: 30px;
            }

            .stat-block {
                padding: 20px 12px;
            }

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

            .hero-buttons .btn {
                width: 100%;
            }

            .hero-meta {
                flex-direction: column;
                gap: 12px;
            }

            .cta-content h2 {
                font-size: 28px;
            }

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

        :focus-visible {
            outline: 3px solid rgba(26, 92, 255, 0.4);
            outline-offset: 2px;
        }

/* roulang page: category1 */
:root {
            --primary: #0a2540;
            --primary-light: #163a5f;
            --accent: #00c896;
            --accent-dark: #00a87b;
            --accent-2: #ff6b35;
            --bg: #f4f7fb;
            --bg-white: #ffffff;
            --text-main: #1a2332;
            --text-weak: #64748b;
            --border-soft: #e5eaf0;
            --radius-lg: 18px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-card: 0 8px 30px rgba(10, 37, 64, 0.07);
            --shadow-hover: 0 16px 40px rgba(10, 37, 64, 0.13);
            --shadow-banner: 0 20px 60px rgba(10, 37, 64, 0.25);
        }

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

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background: var(--bg);
            color: var(--text-main);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
        }

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

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color .25s ease, background .25s ease, box-shadow .25s ease, transform .25s ease;
        }

        button,
        input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }

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

        /* ===== 顶部信息条 ===== */
        .topbar {
            background: var(--primary);
            color: rgba(255, 255, 255, 0.82);
            font-size: 13px;
            letter-spacing: .3px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .topbar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 36px;
            padding-top: 4px;
            padding-bottom: 4px;
            flex-wrap: wrap;
            gap: 4px 16px;
        }

        .topbar-welcome {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .topbar-welcome i {
            color: var(--accent);
        }

        .topbar-links {
            display: flex;
            align-items: center;
            gap: 20px;
        }

        .topbar-links a {
            color: rgba(255, 255, 255, 0.82);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

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

        /* ===== 主导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            box-shadow: 0 1px 0 var(--border-soft), 0 8px 30px rgba(10, 37, 64, 0.04);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 74px;
            gap: 24px;
            position: relative;
        }

        .brand-logo {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
            flex-shrink: 0;
        }

        .logo-main {
            font-size: 24px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: .5px;
        }

        .logo-main span {
            color: var(--accent);
        }

        .logo-sub {
            font-size: 10px;
            letter-spacing: 3px;
            color: var(--text-weak);
            text-transform: uppercase;
            font-weight: 600;
            margin-top: 2px;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 15px;
            font-weight: 500;
            color: #3a4a5c;
            padding: 10px 18px;
            border-radius: 999px;
            transition: background .25s ease, color .25s ease, transform .2s ease;
            position: relative;
        }

        .nav-link:hover {
            color: var(--primary);
            background: rgba(0, 200, 150, 0.08);
        }

        .nav-link.active {
            color: var(--primary);
            font-weight: 600;
            background: linear-gradient(135deg, rgba(0, 200, 150, 0.16), rgba(0, 200, 150, 0.06));
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            left: 18px;
            right: 18px;
            bottom: 4px;
            height: 2px;
            border-radius: 2px;
            background: var(--accent);
        }

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

        .btn-header {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            padding: 10px 20px;
            border-radius: 999px;
            box-shadow: 0 6px 18px rgba(0, 200, 150, 0.3);
            transition: transform .25s ease, box-shadow .25s ease;
        }

        .btn-header:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 26px rgba(0, 200, 150, 0.4);
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--bg);
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--primary);
            cursor: pointer;
            border: 1px solid var(--border-soft);
        }

        /* ===== 分类页 Hero ===== */
        .cat-hero {
            position: relative;
            background: linear-gradient(135deg, rgba(10, 37, 64, 0.92), rgba(10, 37, 64, 0.72)),
                url('/assets/images/backpic/back-2.png') center / cover no-repeat;
            padding: 88px 0 84px;
            color: #fff;
        }

        .cat-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 60%, var(--bg) 100%);
            pointer-events: none;
        }

        .cat-hero-inner {
            position: relative;
            z-index: 2;
            max-width: 820px;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 18px;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.7);
            transition: color .2s;
        }

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

        .breadcrumb .sep {
            color: rgba(255, 255, 255, 0.4);
        }

        .cat-hero h1 {
            font-size: 44px;
            font-weight: 800;
            line-height: 1.25;
            margin: 0 0 16px;
            letter-spacing: .5px;
        }

        .cat-hero h1 span {
            color: var(--accent);
        }

        .cat-hero-desc {
            font-size: 17px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.82);
            max-width: 680px;
            margin-bottom: 24px;
        }

        .cat-hero-meta {
            display: flex;
            align-items: center;
            gap: 28px;
            flex-wrap: wrap;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.78);
        }

        .cat-hero-meta i {
            color: var(--accent);
            margin-right: 6px;
        }

        .cat-hero-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
            margin-top: 44px;
            max-width: 560px;
        }

        .cat-hero-stat {
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(8px);
            border-radius: var(--radius-md);
            padding: 18px 22px;
            text-align: center;
        }

        .cat-hero-stat strong {
            display: block;
            font-size: 28px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }

        .cat-hero-stat strong em {
            font-style: normal;
            color: var(--accent);
        }

        .cat-hero-stat span {
            display: block;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
        }

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

        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            margin-bottom: 36px;
            flex-wrap: wrap;
        }

        .section-title-wrap {
            max-width: 620px;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-dark);
            background: rgba(0, 200, 150, 0.1);
            padding: 5px 14px;
            border-radius: 999px;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 30px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.3;
            margin: 0;
            letter-spacing: .5px;
        }

        .section-title em {
            font-style: normal;
            color: var(--accent-dark);
        }

        .section-desc {
            font-size: 15px;
            color: var(--text-weak);
            line-height: 1.7;
            margin-top: 10px;
        }

        .section-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            padding: 10px 22px;
            border: 1px solid var(--border-soft);
            border-radius: 999px;
            background: #fff;
            box-shadow: var(--shadow-card);
            transition: all .25s ease;
        }

        .section-link:hover {
            border-color: var(--accent);
            color: var(--accent-dark);
            transform: translateY(-2px);
        }

        /* ===== 精选推荐卡片 ===== */
        .featured-grid {
            display: grid;
            grid-template-columns: 1.15fr 1fr;
            gap: 28px;
            align-items: stretch;
        }

        .featured-main {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            min-height: 420px;
            box-shadow: var(--shadow-card);
            display: flex;
            align-items: flex-end;
            background: var(--primary);
        }

        .featured-main img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }

        .featured-main:hover img {
            transform: scale(1.04);
        }

        .featured-main::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 37, 64, 0) 30%, rgba(10, 37, 64, 0.88) 100%);
        }

        .featured-main-content {
            position: relative;
            z-index: 2;
            padding: 30px 30px 32px;
            color: #fff;
        }

        .featured-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.16);
            border: 1px solid rgba(255, 255, 255, 0.2);
            backdrop-filter: blur(6px);
            font-size: 12px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 999px;
            color: #fff;
            margin-bottom: 14px;
        }

        .featured-main h3 {
            font-size: 25px;
            font-weight: 700;
            line-height: 1.4;
            margin: 0 0 12px;
        }

        .featured-main p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.7;
            margin: 0 0 16px;
        }

        .featured-meta {
            display: flex;
            gap: 18px;
            align-items: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
        }

        .featured-meta i {
            color: var(--accent);
            margin-right: 4px;
        }

        .featured-side {
            display: grid;
            grid-template-rows: 1fr 1fr;
            gap: 28px;
        }

        .featured-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            min-height: 196px;
            box-shadow: var(--shadow-card);
            background: var(--primary);
            display: flex;
            align-items: flex-end;
        }

        .featured-card img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }

        .featured-card:hover img {
            transform: scale(1.05);
        }

        .featured-card::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(10, 37, 64, 0.85) 100%);
        }

        .featured-card-content {
            position: relative;
            z-index: 2;
            padding: 22px 24px;
            color: #fff;
            width: 100%;
        }

        .featured-card h4 {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.45;
            margin: 0 0 10px;
        }

        .featured-card .featured-meta {
            font-size: 12px;
        }

        /* ===== 新闻列表 + 侧栏 ===== */
        .news-layout {
            display: grid;
            grid-template-columns: 1fr 360px;
            gap: 36px;
            align-items: start;
        }

        .news-list {
            display: grid;
            gap: 28px;
        }

        .news-card {
            display: grid;
            grid-template-columns: 280px 1fr;
            gap: 24px;
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-soft);
            padding: 20px;
            box-shadow: var(--shadow-card);
            transition: box-shadow .3s ease, transform .3s ease;
            align-items: center;
        }

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

        .news-card-img {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            aspect-ratio: 4 / 3;
            background: var(--border-soft);
        }

        .news-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }

        .news-card:hover .news-card-img img {
            transform: scale(1.05);
        }

        .news-card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(6px);
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            padding: 4px 12px;
            border-radius: 999px;
        }

        .news-card-body {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .news-card-title {
            font-size: 19px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.5;
            margin: 0;
            transition: color .2s ease;
        }

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

        .news-card-excerpt {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.7;
            margin: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card-meta {
            display: flex;
            align-items: center;
            gap: 18px;
            font-size: 13px;
            color: #8a94a3;
        }

        .news-card-meta i {
            color: var(--accent);
            margin-right: 4px;
        }

        .news-card-meta .views {
            margin-left: auto;
        }

        /* ===== 侧栏 ===== */
        .sidebar {
            display: grid;
            gap: 28px;
            position: sticky;
            top: 96px;
        }

        .side-card {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-soft);
            box-shadow: var(--shadow-card);
            padding: 26px;
        }

        .side-card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--primary);
            margin: 0 0 18px;
            padding-bottom: 14px;
            border-bottom: 2px solid var(--accent);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .side-card-title i {
            color: var(--accent-dark);
        }

        .hot-rank-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 14px 0;
            border-bottom: 1px solid var(--border-soft);
        }

        .hot-rank-item:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .hot-rank-num {
            font-size: 20px;
            font-weight: 800;
            font-style: italic;
            color: var(--border-soft);
            line-height: 1;
            min-width: 34px;
            font-family: Georgia, serif;
            margin-top: 4px;
            transition: color .2s;
        }

        .hot-rank-item:nth-child(-n+2) .hot-rank-num {
            color: var(--accent);
        }

        .hot-rank-item:hover .hot-rank-num {
            color: var(--accent-2);
        }

        .hot-rank-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
            line-height: 1.55;
            margin: 0 0 6px;
            transition: color .2s;
        }

        .hot-rank-title:hover {
            color: var(--accent-dark);
        }

        .hot-rank-views {
            font-size: 12px;
            color: #9aa3af;
        }

        .hot-rank-views i {
            color: var(--accent);
            margin-right: 4px;
        }

        /* ===== 资讯快讯条 ===== */
        .ticker-section {
            background: var(--primary);
            color: #fff;
            padding: 20px 0;
            border-radius: 0;
        }

        .ticker-inner {
            display: flex;
            align-items: center;
            gap: 24px;
            flex-wrap: wrap;
        }

        .ticker-label {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: rgba(255, 255, 255, 0.12);
            padding: 8px 20px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 14px;
            white-space: nowrap;
            border: 1px solid rgba(255, 255, 255, 0.14);
        }

        .ticker-label i {
            color: var(--accent);
        }

        .ticker-items {
            display: flex;
            gap: 28px;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            flex: 1;
            padding: 4px 0;
        }

        .ticker-items::-webkit-scrollbar {
            display: none;
        }

        .ticker-item {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.82);
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .ticker-item i {
            font-size: 6px;
            color: var(--accent);
        }

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

        /* ===== 专题标签 ===== */
        .tag-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }

        .tag-card {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-soft);
            padding: 26px 26px 24px;
            box-shadow: var(--shadow-card);
            transition: all .3s ease;
            display: flex;
            align-items: flex-start;
            gap: 18px;
        }

        .tag-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(0, 200, 150, 0.35);
        }

        .tag-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(0, 200, 150, 0.18), rgba(0, 200, 150, 0.06));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--accent-dark);
            flex-shrink: 0;
        }

        .tag-card-body {
            flex: 1;
        }

        .tag-card-title {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 17px;
            font-weight: 700;
            color: var(--primary);
            margin: 0 0 8px;
        }

        .tag-count {
            font-size: 12px;
            font-weight: 600;
            background: rgba(0, 200, 150, 0.1);
            color: var(--accent-dark);
            padding: 2px 10px;
            border-radius: 999px;
        }

        .tag-card p {
            font-size: 13.5px;
            color: var(--text-weak);
            line-height: 1.6;
            margin: 0 0 12px;
        }

        .tag-card-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-dark);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .tag-card-link:hover {
            color: var(--primary);
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, #163a5f 60%, #0d2b46 100%);
            border-radius: 24px;
            padding: 60px 56px;
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 36px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            background: rgba(0, 200, 150, 0.12);
            top: -120px;
            right: -80px;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(255, 107, 53, 0.08);
            bottom: -70px;
            left: 20%;
        }

        .cta-content {
            position: relative;
            z-index: 2;
            max-width: 560px;
        }

        .cta-content h2 {
            font-size: 28px;
            font-weight: 800;
            margin: 0 0 14px;
            line-height: 1.35;
        }

        .cta-content h2 span {
            color: var(--accent);
        }

        .cta-content p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.7;
            margin: 0;
        }

        .cta-action {
            position: relative;
            z-index: 2;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .btn-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            background: var(--accent);
            color: var(--primary);
            font-weight: 700;
            font-size: 16px;
            padding: 14px 34px;
            border-radius: 999px;
            box-shadow: 0 12px 30px rgba(0, 200, 150, 0.35);
            transition: all .25s ease;
        }

        .btn-cta:hover {
            transform: translateY(-3px);
            box-shadow: 0 16px 38px rgba(0, 200, 150, 0.45);
            background: #00dca4;
        }

        .btn-cta-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            border: 1px solid rgba(255, 255, 255, 0.35);
            color: #fff;
            font-weight: 600;
            font-size: 14px;
            padding: 12px 28px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.06);
            transition: all .25s ease;
        }

        .btn-cta-ghost:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: rgba(0, 200, 150, 0.1);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #0d1b2a;
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            padding: 60px 0 28px;
            margin-top: 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand .brand-logo {
            margin-bottom: 16px;
        }

        .footer-brand .logo-main {
            color: #fff;
        }

        .footer-brand .logo-sub {
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-brand p {
            font-size: 13.5px;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.55);
            max-width: 320px;
            margin: 0;
        }

        .footer-title {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 18px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-title::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 32px;
            height: 3px;
            border-radius: 2px;
            background: linear-gradient(90deg, var(--accent), transparent);
        }

        .footer-links {
            display: grid;
            gap: 10px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: color .2s, padding-left .2s;
        }

        .footer-links a::before {
            content: '';
            width: 5px;
            height: 5px;
            border-radius: 50%;
            background: var(--accent);
            opacity: .5;
            transition: opacity .2s;
        }

        .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }

        .footer-links a:hover::before {
            opacity: 1;
        }

        .footer-contact {
            display: grid;
            gap: 14px;
        }

        .footer-contact-item {
            display: flex;
            align-items: center;
            gap: 10px;
            color: rgba(255, 255, 255, 0.55);
            font-size: 13.5px;
        }

        .footer-contact-item i {
            width: 34px;
            height: 34px;
            border-radius: 10px;
            background: rgba(0, 200, 150, 0.1);
            border: 1px solid rgba(0, 200, 150, 0.16);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 13px;
            flex-shrink: 0;
        }

        .footer-contact-item a {
            color: inherit;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .news-layout {
                grid-template-columns: 1fr;
            }

            .sidebar {
                position: static;
                grid-template-columns: 1fr 1fr;
            }

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

            .featured-side {
                grid-template-columns: 1fr 1fr;
                grid-template-rows: none;
            }

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

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

        @media (max-width: 768px) {
            .container {
                padding-left: 18px;
                padding-right: 18px;
            }

            .topbar-inner {
                justify-content: center;
                min-height: 32px;
            }

            .topbar-links {
                display: none;
            }

            .site-header .header-inner {
                min-height: 64px;
            }

            .logo-main {
                font-size: 20px;
            }

            .logo-sub {
                font-size: 9px;
            }

            .nav-toggle {
                display: flex;
            }

            .main-nav {
                position: fixed;
                top: 0;
                right: 0;
                bottom: 0;
                width: 280px;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                justify-content: flex-start;
                padding: 80px 24px 30px;
                gap: 6px;
                box-shadow: -20px 0 50px rgba(10, 37, 64, 0.16);
                transform: translateX(100%);
                transition: transform .35s ease;
                z-index: 200;
            }

            .main-nav.open {
                transform: translateX(0);
            }

            .nav-link {
                padding: 14px 18px;
                border-radius: 12px;
                font-size: 16px;
                width: 100%;
            }

            .nav-link.active::after {
                display: none;
            }

            .nav-link.active {
                background: rgba(0, 200, 150, 0.14);
            }

            .nav-overlay {
                position: fixed;
                inset: 0;
                background: rgba(10, 37, 64, 0.5);
                backdrop-filter: blur(3px);
                z-index: 190;
                opacity: 0;
                pointer-events: none;
                transition: opacity .3s;
            }

            .nav-overlay.show {
                opacity: 1;
                pointer-events: auto;
            }

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

            .cat-hero {
                padding: 56px 0 60px;
            }

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

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

            .cat-hero-stats {
                grid-template-columns: repeat(3, 1fr);
                gap: 12px;
            }

            .cat-hero-stat strong {
                font-size: 22px;
            }

            .section-block {
                padding: 52px 0;
            }

            .section-title {
                font-size: 24px;
            }

            .featured-main {
                min-height: 320px;
            }

            .featured-main h3 {
                font-size: 20px;
            }

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

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

            .news-card-img {
                aspect-ratio: 16 / 9;
            }

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

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

            .cta-section {
                padding: 40px 28px;
                border-radius: 20px;
            }

            .cta-section::before,
            .cta-section::after {
                display: none;
            }

            .cta-content h2 {
                font-size: 22px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .footer-bottom {
                justify-content: center;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .cat-hero h1 {
                font-size: 26px;
            }

            .cat-hero-meta {
                gap: 14px;
            }

            .cat-hero-stats {
                grid-template-columns: 1fr 1fr;
            }

            .featured-main-content {
                padding: 22px;
            }

            .featured-meta {
                flex-wrap: wrap;
                gap: 10px;
            }

            .ticker-inner {
                gap: 12px;
            }

            .section-header {
                align-items: flex-start;
                flex-direction: column;
            }

            .section-link {
                align-self: flex-start;
            }
        }

/* roulang page: article */
:root {
    --color-primary: #0b1f3a;
    --color-primary-light: #132f52;
    --color-accent: #00c896;
    --color-accent-dark: #00a87a;
    --color-bg: #f4f7fb;
    --color-surface: #ffffff;
    --color-text: #1e293b;
    --color-text-sub: #64748b;
    --color-border: #e6ecf2;
    --color-dark: #081528;
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 22px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,.05);
    --shadow-md: 0 8px 28px rgba(0,0,0,.08);
    --shadow-lg: 0 18px 50px rgba(0,0,0,.12);
    --container: 1200px;
    --ts: .25s ease;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'PingFang SC','Hiragino Sans GB','Microsoft YaHei','Helvetica Neue',Arial,sans-serif;background:var(--color-bg);color:var(--color-text);line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button,input{font-family:inherit;font-size:inherit;border:none;outline:none;background:none}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 30px;border-radius:50px;font-weight:600;font-size:15px;line-height:1.4;transition:all var(--ts);cursor:pointer;border:2px solid transparent}
.btn-primary{background:linear-gradient(135deg,var(--color-accent),#00b388);color:#fff;box-shadow:0 8px 24px rgba(0,200,150,.3)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 34px rgba(0,200,150,.4);background:linear-gradient(135deg,#00b388,var(--color-accent))}
.btn-outline{border-color:var(--color-accent);color:var(--color-accent);background:rgba(0,200,150,.08)}
.btn-outline:hover{background:var(--color-accent);color:#fff;transform:translateY(-2px);box-shadow:0 10px 28px rgba(0,200,150,.3)}
.btn-white{background:#fff;color:var(--color-primary)}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 14px 34px rgba(0,0,0,.18)}
.btn:focus-visible,.nav-link:focus-visible,a:focus-visible{outline:3px solid rgba(0,200,150,.5);outline-offset:2px}
/* === Header === */
.site-header{background:var(--color-surface);position:sticky;top:0;z-index:100;box-shadow:var(--shadow-sm)}
.top-bar{background:var(--color-primary);color:rgba(255,255,255,.9);font-size:13px;padding:7px 0}
.top-bar-inner{display:flex;justify-content:space-between;align-items:center;gap:16px}
.top-bar-text{display:inline-flex;align-items:center;gap:6px}
.top-bar-text i,.top-bar-contact i{color:var(--color-accent)}
.top-bar-contact{display:inline-flex;align-items:center;gap:6px}
.header-main{background:var(--color-surface)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:16px 24px}
.brand-logo{display:inline-flex;flex-direction:column;line-height:1.25;flex-shrink:0}
.logo-main{font-size:24px;font-weight:800;color:var(--color-primary);letter-spacing:.5px}
.logo-main .logo-accent{color:var(--color-accent)}
.logo-sub{font-size:11px;letter-spacing:2.5px;color:var(--color-text-sub);font-weight:600;margin-top:2px}
.main-nav{display:flex;align-items:center;gap:6px}
.nav-link{padding:9px 18px;border-radius:50px;font-size:14.5px;font-weight:500;color:var(--color-text-sub);transition:all var(--ts);position:relative}
.nav-link:hover{color:var(--color-primary);background:rgba(0,200,150,.08)}
.nav-link.active{color:var(--color-accent-dark);background:rgba(0,200,150,.12);font-weight:600}
.header-actions{display:flex;align-items:center;gap:14px}
.search-box{display:flex;align-items:center;background:var(--color-bg);border:1px solid var(--color-border);border-radius:50px;padding:7px 8px 7px 16px;width:210px;transition:border-color var(--ts),box-shadow var(--ts)}
.search-box:focus-within{border-color:var(--color-accent);box-shadow:0 0 0 3px rgba(0,200,150,.15)}
.search-box input{flex:1;font-size:13.5px;color:var(--color-text);min-width:0}
.search-box input::placeholder{color:#9aa8b7}
.search-box button{width:30px;height:30px;border-radius:50%;background:linear-gradient(135deg,var(--color-accent),#00b388);color:#fff;display:flex;align-items:center;justify-content:center;font-size:12px;transition:transform var(--ts)}
.search-box button:hover{transform:scale(1.08)}
.nav-toggle{display:none;width:40px;height:40px;border-radius:10px;background:var(--color-bg);color:var(--color-primary);font-size:18px;align-items:center;justify-content:center;cursor:pointer}
/* === Article Hero === */
.article-hero{position:relative;background-size:cover;background-position:center;padding:88px 0 76px;color:#fff;overflow:hidden}
.article-hero::before{content:'';position:absolute;inset:0;background:linear-gradient(120deg,rgba(8,21,40,.95) 0%,rgba(11,31,58,.82) 48%,rgba(0,200,150,.28) 100%);z-index:0}
.article-hero .container{position:relative;z-index:1}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.72);margin-bottom:18px;flex-wrap:wrap}
.breadcrumb a{transition:color var(--ts)}
.breadcrumb a:hover{color:var(--color-accent)}
.breadcrumb-sep{opacity:.5}
.article-badge{display:inline-flex;align-items:center;gap:6px;background:rgba(0,200,150,.18);border:1px solid rgba(0,200,150,.5);color:var(--color-accent);padding:6px 16px;border-radius:50px;font-size:13px;font-weight:600;margin-bottom:18px;backdrop-filter:blur(4px)}
.article-hero h1{font-size:36px;font-weight:800;line-height:1.35;max-width:880px;margin-bottom:22px;letter-spacing:.3px}
.article-meta{display:flex;flex-wrap:wrap;gap:20px;font-size:13.5px;color:rgba(255,255,255,.82)}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta i{color:var(--color-accent)}
/* === Article Body === */
.article-section{padding:60px 0 70px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:40px;align-items:start}
.article-main{min-width:0}
.article-content-card{background:var(--color-surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);padding:48px 48px 40px;border:1px solid var(--color-border)}
.article-body{font-size:16px;line-height:1.9;color:#334155}
.article-body h2{font-size:25px;font-weight:800;color:var(--color-primary);margin:34px 0 16px;padding:14px 0 14px 18px;border-left:4px solid var(--color-accent);background:linear-gradient(90deg,rgba(0,200,150,.07),transparent);border-radius:0 10px 10px 0}
.article-body h3{font-size:20px;font-weight:700;color:var(--color-primary-light);margin:28px 0 12px}
.article-body p{margin-bottom:18px}
.article-body img{border-radius:var(--radius-md);margin:22px 0;box-shadow:var(--shadow-md)}
.article-body ul,.article-body ol{margin:16px 0 20px;padding-left:4px}
.article-body ul li,.article-body ol li{position:relative;padding-left:26px;margin-bottom:9px}
.article-body ul li::before{content:'\f138';font-family:'Font Awesome 6 Free';font-weight:900;position:absolute;left:0;top:1px;font-size:15px;color:var(--color-accent)}
.article-body ol{counter-reset:art}
.article-body ol li{counter-increment:art}
.article-body ol li::before{content:counter(art) '.';position:absolute;left:2px;top:0;font-weight:800;color:var(--color-accent)}
.article-body blockquote{border-left:4px solid var(--color-accent);background:#f8fdfb;padding:18px 24px;border-radius:0 12px 12px 0;margin:22px 0;color:#475569;font-style:italic}
.article-body a{color:var(--color-accent-dark);font-weight:500;text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--color-accent)}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:14.5px}
.article-body th{background:var(--color-primary);color:#fff;padding:11px 14px;text-align:left}
.article-body td{padding:10px 14px;border-bottom:1px solid var(--color-border)}
.article-body tr:hover td{background:#f8fafc}
.article-tags{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:38px;padding-top:26px;border-top:1px solid var(--color-border)}
.tags-label{font-size:14px;font-weight:700;color:var(--color-primary);display:inline-flex;gap:6px;align-items:center}
.tag{padding:6px 15px;border-radius:50px;background:var(--color-bg);border:1px solid var(--color-border);font-size:13px;color:var(--color-text-sub);transition:all var(--ts)}
.tag:hover{border-color:var(--color-accent);color:var(--color-accent-dark);background:rgba(0,200,150,.08)}
/* Sidebar */
.article-sidebar{display:flex;flex-direction:column;gap:28px;position:sticky;top:112px}
.sidebar-card{background:var(--color-surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);padding:28px;border:1px solid var(--color-border)}
.sidebar-title{font-size:17px;font-weight:800;color:var(--color-primary);margin-bottom:20px;display:flex;align-items:center;gap:10px;padding-bottom:14px;border-bottom:2px solid var(--color-border)}
.sidebar-title i{color:var(--color-accent)}
.sidebar-cat-list{display:flex;flex-direction:column;gap:10px}
.sidebar-cat-list a{display:flex;align-items:center;gap:14px;padding:13px 16px;border-radius:var(--radius-md);background:var(--color-bg);border:1px solid transparent;transition:all var(--ts)}
.sidebar-cat-list a:hover{background:#fff;border-color:var(--color-accent);box-shadow:var(--shadow-sm);transform:translateX(4px)}
.cat-icon{width:38px;height:38px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:15px;color:#fff;background:linear-gradient(135deg,var(--color-primary),var(--color-primary-light));flex-shrink:0}
.sidebar-cat-list a:nth-child(2) .cat-icon{background:linear-gradient(135deg,var(--color-accent),#00b388)}
.sidebar-cat-list a:nth-child(3) .cat-icon{background:linear-gradient(135deg,#f59e0b,#d97706)}
.cat-name{flex:1;font-size:14.5px;font-weight:600;color:var(--color-text)}
.cat-arrow{color:#b0bdcd;font-size:12px;transition:transform var(--ts)}
.sidebar-cat-list a:hover .cat-arrow{transform:translateX(3px);color:var(--color-accent)}
.sidebar-offer{position:relative;border-radius:var(--radius-md);overflow:hidden;margin-top:4px}
.sidebar-offer img{width:100%;height:150px;object-fit:cover}
.sidebar-offer-overlay{position:absolute;inset:0;background:linear-gradient(to top,rgba(8,21,40,.88),rgba(8,21,40,.15));display:flex;flex-direction:column;justify-content:flex-end;padding:18px;color:#fff}
.sidebar-offer-overlay span{font-size:12px;color:var(--color-accent);font-weight:600;margin-bottom:4px}
.sidebar-offer-overlay strong{font-size:16px;font-weight:700}
.sidebar-contact-box{background:linear-gradient(135deg,var(--color-primary),var(--color-primary-light));border-radius:var(--radius-md);padding:22px;color:#fff;text-align:center}
.sidebar-contact-box i{font-size:28px;color:var(--color-accent);margin-bottom:10px}
.sidebar-contact-box h4{font-size:16px;font-weight:700;margin-bottom:6px}
.sidebar-contact-box p{font-size:13px;color:rgba(255,255,255,.75);margin-bottom:14px}
/* Article Empty */
.article-empty{background:var(--color-surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);padding:80px 40px;text-align:center;border:1px solid var(--color-border)}
.empty-icon{font-size:52px;color:var(--color-accent);margin-bottom:20px;display:inline-block;opacity:.7}
.article-empty h2{font-size:28px;font-weight:800;color:var(--color-primary);margin-bottom:12px}
.article-empty p{color:var(--color-text-sub);max-width:440px;margin:0 auto 26px;font-size:15.5px}
/* Related */
.related-section{padding:70px 0;background:var(--color-surface)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:38px;flex-wrap:wrap}
.section-head h2{font-size:30px;font-weight:800;color:var(--color-primary);position:relative;padding-bottom:12px}
.section-head h2::after{content:'';position:absolute;bottom:0;left:0;width:46px;height:4px;border-radius:4px;background:linear-gradient(90deg,var(--color-accent),#00b388)}
.section-head p{color:var(--color-text-sub);font-size:14.5px;max-width:460px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.related-card{background:var(--color-bg);border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--color-border);transition:all var(--ts);display:flex;flex-direction:column}
.related-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:rgba(0,200,150,.3)}
.related-media{position:relative;height:180px;overflow:hidden}
.related-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.related-card:hover .related-media img{transform:scale(1.06)}
.related-media::after{content:'';position:absolute;inset:0;background:linear-gradient(to top,rgba(8,21,40,.35),transparent)}
.related-tag{position:absolute;top:14px;left:14px;z-index:2;background:rgba(0,200,150,.9);color:#fff;font-size:12px;font-weight:600;padding:4px 12px;border-radius:50px;backdrop-filter:blur(4px)}
.related-body{padding:22px;flex:1;display:flex;flex-direction:column}
.related-body h3{font-size:17px;font-weight:700;color:var(--color-primary);line-height:1.45;margin-bottom:8px}
.related-body p{font-size:13.5px;color:var(--color-text-sub);line-height:1.7;flex:1}
.related-link{margin-top:16px;display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:600;color:var(--color-accent-dark);transition:gap var(--ts)}
.related-link:hover{gap:10px}
/* FAQ */
.faq-section{padding:70px 0}
.faq-grid{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{background:var(--color-surface);border-radius:var(--radius-md);border:1px solid var(--color-border);padding:22px 28px;transition:border-color var(--ts),box-shadow var(--ts)}
.faq-item:hover{border-color:rgba(0,200,150,.35);box-shadow:var(--shadow-sm)}
.faq-item h3{font-size:16.5px;font-weight:700;color:var(--color-primary);display:flex;gap:12px;align-items:flex-start;margin-bottom:8px}
.faq-item h3 i{color:var(--color-accent);margin-top:3px}
.faq-item p{font-size:14.5px;color:var(--color-text-sub);line-height:1.75;padding-left:28px}
/* CTA */
.cta-section{position:relative;padding:80px 0;background-size:cover;background-position:center;color:#fff;overflow:hidden}
.cta-section::before{content:'';position:absolute;inset:0;background:linear-gradient(120deg,rgba(8,21,40,.94),rgba(11,31,58,.86),rgba(0,200,150,.3));z-index:0}
.cta-inner{position:relative;z-index:1;text-align:center;max-width:720px;margin:0 auto}
.cta-inner h2{font-size:32px;font-weight:800;margin-bottom:14px}
.cta-inner p{font-size:16px;color:rgba(255,255,255,.85);margin-bottom:30px}
.cta-btns{display:flex;justify-content:center;gap:16px;flex-wrap:wrap}
/* Footer */
.site-footer{background:var(--color-dark);color:#cbd5e1;padding:70px 0 0;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:44px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.08)}
.footer-brand .brand-logo{margin-bottom:18px}
.footer-brand .logo-main{color:#fff}
.footer-brand p{line-height:1.8;color:#94a3b8;font-size:13.5px}
.footer-title{color:#fff;font-size:16px;font-weight:700;margin-bottom:18px;position:relative;padding-bottom:10px}
.footer-title::after{content:'';position:absolute;left:0;bottom:0;width:28px;height:3px;border-radius:3px;background:var(--color-accent)}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{color:#94a3b8;transition:color var(--ts),padding-left var(--ts)}
.footer-links a:hover{color:var(--color-accent);padding-left:5px}
.footer-contact{display:flex;flex-direction:column;gap:12px}
.footer-contact-item{display:flex;align-items:center;gap:10px;color:#94a3b8;font-size:13.5px}
.footer-contact-item i{width:20px;color:var(--color-accent)}
.footer-contact-item a{color:#94a3b8;transition:color var(--ts)}
.footer-contact-item a:hover{color:var(--color-accent)}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding:22px 0;gap:12px;flex-wrap:wrap;color:#64748b;font-size:13px}
/* Responsive */
@media (max-width:1024px){
    .header-inner{flex-wrap:wrap;padding:14px 20px}
    .main-nav{order:3;width:100%;justify-content:center;border-top:1px solid var(--color-border);margin-top:10px;padding-top:10px;flex-wrap:wrap}
    .article-layout{grid-template-columns:1fr;gap:32px}
    .article-sidebar{position:static;flex-direction:row;flex-wrap:wrap;align-items:stretch}
    .sidebar-card{width:calc(50% - 14px)}
    .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:768px){
    .top-bar-contact{display:none}
    .search-box{display:none}
    .nav-toggle{display:flex}
    .main-nav{display:none;position:absolute;top:100%;left:0;right:0;background:var(--color-surface);box-shadow:var(--shadow-lg);flex-direction:column;padding:18px;order:unset;width:100%;margin:0;border-radius:0 0 20px 20px;gap:8px}
    .main-nav.open{display:flex}
    .nav-link{width:100%;text-align:center;padding:13px}
    .container{padding:0 18px}
    .article-hero{padding:60px 0 56px}
    .article-hero h1{font-size:26px}
    .article-section{padding:42px 0 50px}
    .article-content-card{padding:28px 22px}
    .article-body{font-size:15px;line-height:1.85}
    .sidebar-card{width:100%}
    .related-grid{grid-template-columns:1fr}
    .related-media{height:200px}
    .section-head h2{font-size:26px}
    .cta-inner h2{font-size:26px}
    .faq-section{padding:50px 0}
    .footer-grid{grid-template-columns:1fr}
    .footer-bottom{flex-direction:column;text-align:center}
}
@media (max-width:520px){
    .top-bar-text span{display:none}
    .logo-main{font-size:20px}
    .header-inner{padding:12px 16px}
    .article-hero h1{font-size:22px}
    .article-meta{gap:12px}
    .article-body{padding:0}
    .article-content-card{padding:22px 16px}
    .related-grid{gap:18px}
    .cta-btns{flex-direction:column;align-items:center}
    .btn{width:100%;max-width:320px}
    .article-empty{padding:60px 24px}
}

/* roulang page: category2 */
:root {
        --primary: #1a3a6b;
        --primary-dark: #12284c;
        --accent: #00c896;
        --accent-dark: #00a37a;
        --bg: #ffffff;
        --bg-light: #f4f7fb;
        --bg-dark: #0e1c33;
        --text: #16233a;
        --text-muted: #5c6b82;
        --border: #e3e9f1;
        --radius: 16px;
        --radius-sm: 10px;
        --shadow-sm: 0 2px 10px rgba(14, 28, 51, 0.06);
        --shadow: 0 8px 30px rgba(14, 28, 51, 0.1);
        --shadow-lg: 0 18px 50px rgba(14, 28, 51, 0.14);
    }

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

    html {
        scroll-behavior: smooth;
    }

    body {
        font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        color: var(--text);
        background: var(--bg);
        line-height: 1.7;
        -webkit-font-smoothing: antialiased;
    }

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

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

    button, input {
        font-family: inherit;
    }

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

    /* ===== 顶部信息条 ===== */
    .top-info-bar {
        background: var(--bg-dark);
        color: rgba(255,255,255,0.82);
        font-size: 13px;
        padding: 8px 0;
        border-bottom: 1px solid rgba(255,255,255,0.08);
    }

    .top-info-bar .container {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        flex-wrap: wrap;
    }

    .top-info-bar a {
        color: rgba(255,255,255,0.82);
        transition: color 0.25s;
    }

    .top-info-bar a:hover {
        color: var(--accent);
    }

    .top-info-left {
        display: flex;
        align-items: center;
        gap: 10px;
    }

    .top-info-left i {
        color: var(--accent);
        font-size: 13px;
    }

    .top-info-right {
        display: flex;
        align-items: center;
        gap: 16px;
    }

    .top-info-right .top-link {
        display: inline-flex;
        align-items: center;
        gap: 6px;
    }

    /* ===== 主导航 ===== */
    .site-header {
        background: #ffffff;
        box-shadow: var(--shadow-sm);
        position: sticky;
        top: 0;
        z-index: 1000;
        border-bottom: 1px solid var(--border);
    }

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

    .brand-logo {
        display: flex;
        flex-direction: column;
        gap: 2px;
        line-height: 1.3;
        flex-shrink: 0;
    }

    .logo-main {
        font-size: 22px;
        font-weight: 800;
        letter-spacing: 0.5px;
        color: var(--primary);
    }

    .logo-main span {
        color: var(--accent);
    }

    .logo-sub {
        font-size: 10px;
        letter-spacing: 3px;
        color: var(--text-muted);
        font-weight: 600;
    }

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

    .nav-link {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 9px 18px;
        border-radius: 50px;
        font-size: 15px;
        font-weight: 500;
        color: var(--text);
        background: transparent;
        border: 1px solid transparent;
        transition: all 0.25s ease;
    }

    .nav-link i {
        font-size: 14px;
        opacity: 0.8;
    }

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

    .nav-link.active {
        background: var(--primary);
        color: #ffffff;
        box-shadow: 0 4px 14px rgba(26, 58, 107, 0.25);
    }

    .nav-link.active:hover {
        background: var(--primary-dark);
        color: #ffffff;
    }

    .header-cta {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 10px 22px;
        border-radius: 50px;
        background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
        color: #ffffff;
        font-size: 14px;
        font-weight: 700;
        box-shadow: 0 4px 16px rgba(0, 200, 150, 0.3);
        transition: all 0.25s ease;
        flex-shrink: 0;
    }

    .header-cta:hover {
        transform: translateY(-2px);
        box-shadow: 0 6px 20px rgba(0, 200, 150, 0.38);
        color: #ffffff;
    }

    .mobile-toggle {
        display: none;
        width: 42px;
        height: 42px;
        border-radius: 10px;
        background: var(--bg-light);
        border: 1px solid var(--border);
        color: var(--primary);
        font-size: 18px;
        cursor: pointer;
        align-items: center;
        justify-content: center;
        transition: all 0.2s;
    }

    .mobile-toggle:hover {
        background: var(--primary);
        color: #ffffff;
    }

    /* ===== Hero / Banner ===== */
    .page-hero {
        position: relative;
        background-image: url('/assets/images/backpic/back-2.png');
        background-size: cover;
        background-position: center;
        padding: 100px 0 90px;
        text-align: center;
    }

    .page-hero::before {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(135deg, rgba(14, 28, 51, 0.78) 0%, rgba(26, 58, 107, 0.68) 60%, rgba(0, 200, 150, 0.45) 100%);
        z-index: 1;
    }

    .page-hero .container {
        position: relative;
        z-index: 2;
    }

    .hero-badge {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: rgba(255,255,255,0.16);
        backdrop-filter: blur(8px);
        border: 1px solid rgba(255,255,255,0.3);
        color: #ffffff;
        font-size: 13px;
        font-weight: 600;
        padding: 8px 18px;
        border-radius: 50px;
        letter-spacing: 1px;
    }

    .hero-badge i {
        color: var(--accent);
    }

    .page-hero h1 {
        font-size: 46px;
        font-weight: 900;
        line-height: 1.25;
        color: #ffffff;
        margin: 20px 0 16px;
        letter-spacing: 1px;
        text-shadow: 0 4px 20px rgba(0,0,0,0.2);
    }

    .page-hero h1 span {
        color: var(--accent);
    }

    .page-hero p {
        font-size: 17px;
        color: rgba(255,255,255,0.88);
        max-width: 660px;
        margin: 0 auto 30px;
        line-height: 1.8;
    }

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

    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 13px 32px;
        border-radius: 50px;
        font-size: 15px;
        font-weight: 700;
        border: none;
        cursor: pointer;
        transition: all 0.25s ease;
    }

    .btn-primary {
        background: var(--accent);
        color: #ffffff;
        box-shadow: 0 6px 20px rgba(0, 200, 150, 0.35);
    }

    .btn-primary:hover {
        background: var(--accent-dark);
        transform: translateY(-2px);
        color: #ffffff;
        box-shadow: 0 8px 28px rgba(0, 200, 150, 0.42);
    }

    .btn-outline-light {
        background: transparent;
        color: #ffffff;
        border: 1px solid rgba(255,255,255,0.6);
    }

    .btn-outline-light:hover {
        background: rgba(255,255,255,0.12);
        border-color: #ffffff;
        color: #ffffff;
        transform: translateY(-2px);
    }

    /* ===== 板块通用 ===== */
    .section {
        padding: 80px 0;
    }

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

    .section-dark {
        background: var(--bg-dark);
        color: #ffffff;
    }

    .section-head {
        text-align: center;
        max-width: 720px;
        margin: 0 auto 50px;
    }

    .section-tag {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: 13px;
        font-weight: 700;
        color: var(--accent-dark);
        letter-spacing: 2px;
        text-transform: uppercase;
        padding: 6px 16px;
        border-radius: 50px;
        background: rgba(0, 200, 150, 0.1);
        border: 1px solid rgba(0, 200, 150, 0.2);
    }

    .section-head h2 {
        font-size: 34px;
        font-weight: 800;
        color: var(--primary);
        margin: 14px 0 12px;
        line-height: 1.3;
    }

    .section-head p {
        color: var(--text-muted);
        font-size: 16px;
        line-height: 1.8;
    }

    .section-dark .section-head h2 {
        color: #ffffff;
    }

    .section-dark .section-head p {
        color: rgba(255,255,255,0.75);
    }

    .section-dark .section-tag {
        color: var(--accent);
        background: rgba(0, 200, 150, 0.14);
        border-color: rgba(0, 200, 150, 0.3);
    }

    /* ===== 数据卡 ===== */
    .stats-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 20px;
        margin-top: 40px;
    }

    .stat-card {
        background: #ffffff;
        border-radius: var(--radius);
        padding: 28px 20px;
        text-align: center;
        box-shadow: var(--shadow-sm);
        border: 1px solid var(--border);
        transition: all 0.3s ease;
    }

    .stat-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow);
        border-color: rgba(0, 200, 150, 0.3);
    }

    .stat-card .stat-num {
        font-size: 38px;
        font-weight: 900;
        color: var(--primary);
        line-height: 1.2;
    }

    .stat-card .stat-num span {
        color: var(--accent);
    }

    .stat-card .stat-label {
        font-size: 14px;
        color: var(--text-muted);
        margin-top: 8px;
    }

    /* ===== 分类入口 ===== */
    .category-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }

    .category-card {
        background: #ffffff;
        border-radius: var(--radius);
        padding: 34px 28px;
        border: 1px solid var(--border);
        box-shadow: var(--shadow-sm);
        transition: all 0.3s ease;
        position: relative;
        overflow: hidden;
    }

    .category-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 4px;
        background: linear-gradient(90deg, var(--primary), var(--accent));
        transform: scaleX(0);
        transform-origin: left;
        transition: transform 0.35s ease;
    }

    .category-card:hover::before {
        transform: scaleX(1);
    }

    .category-card:hover {
        transform: translateY(-6px);
        box-shadow: var(--shadow);
    }

    .category-icon {
        width: 54px;
        height: 54px;
        border-radius: 14px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 22px;
        background: rgba(26, 58, 107, 0.08);
        color: var(--primary);
        margin-bottom: 18px;
    }

    .category-card h3 {
        font-size: 19px;
        font-weight: 700;
        color: var(--primary);
        margin-bottom: 10px;
    }

    .category-card p {
        font-size: 14px;
        color: var(--text-muted);
        line-height: 1.7;
        margin-bottom: 16px;
    }

    .category-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
    }

    .badge {
        display: inline-flex;
        align-items: center;
        gap: 5px;
        font-size: 12px;
        font-weight: 600;
        padding: 4px 12px;
        border-radius: 50px;
        background: var(--bg-light);
        color: var(--primary);
        border: 1px solid var(--border);
        transition: all 0.25s;
    }

    .badge:hover {
        background: var(--primary);
        color: #ffffff;
        border-color: var(--primary);
    }

    .badge-accent {
        background: rgba(0, 200, 150, 0.1);
        color: var(--accent-dark);
        border-color: rgba(0, 200, 150, 0.25);
    }

    .badge-accent:hover {
        background: var(--accent);
        color: #ffffff;
        border-color: var(--accent);
    }

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

    .event-card {
        background: #ffffff;
        border-radius: var(--radius);
        overflow: hidden;
        border: 1px solid var(--border);
        box-shadow: var(--shadow-sm);
        transition: all 0.35s ease;
        display: flex;
        flex-direction: column;
    }

    .event-card:hover {
        transform: translateY(-6px);
        box-shadow: var(--shadow-lg);
        border-color: rgba(26, 58, 107, 0.15);
    }

    .event-cover {
        position: relative;
        height: 190px;
        overflow: hidden;
    }

    .event-cover img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.5s ease;
    }

    .event-card:hover .event-cover img {
        transform: scale(1.06);
    }

    .event-cover .cover-mask {
        position: absolute;
        inset: 0;
        background: linear-gradient(180deg, transparent 30%, rgba(14, 28, 51, 0.65) 100%);
    }

    .event-date-badge {
        position: absolute;
        top: 16px;
        left: 16px;
        background: rgba(255,255,255,0.92);
        backdrop-filter: blur(6px);
        border-radius: 12px;
        padding: 8px 14px;
        text-align: center;
        line-height: 1.2;
        box-shadow: var(--shadow-sm);
        z-index: 2;
    }

    .event-date-badge .day {
        font-size: 20px;
        font-weight: 900;
        color: var(--primary);
        display: block;
    }

    .event-date-badge .month {
        font-size: 11px;
        font-weight: 700;
        color: var(--text-muted);
        letter-spacing: 1px;
        text-transform: uppercase;
    }

    .event-status {
        position: absolute;
        top: 16px;
        right: 16px;
        z-index: 2;
        font-size: 12px;
        font-weight: 700;
        color: #ffffff;
        background: rgba(0, 200, 150, 0.9);
        padding: 5px 14px;
        border-radius: 50px;
        backdrop-filter: blur(4px);
    }

    .event-status.hot {
        background: rgba(255, 90, 90, 0.92);
    }

    .event-body {
        padding: 22px;
        display: flex;
        flex-direction: column;
        flex: 1;
    }

    .event-body h3 {
        font-size: 18px;
        font-weight: 700;
        color: var(--primary);
        margin-bottom: 8px;
        line-height: 1.4;
    }

    .event-meta {
        display: flex;
        align-items: center;
        gap: 14px;
        font-size: 13px;
        color: var(--text-muted);
        margin-bottom: 12px;
        flex-wrap: wrap;
    }

    .event-meta span {
        display: inline-flex;
        align-items: center;
        gap: 5px;
    }

    .event-meta i {
        color: var(--accent);
        font-size: 12px;
    }

    .event-desc {
        font-size: 14px;
        color: var(--text-muted);
        line-height: 1.7;
        margin-bottom: 18px;
        flex: 1;
    }

    .event-footer {
        display: flex;
        align-items: center;
        justify-content: space-between;
        border-top: 1px solid var(--border);
        padding-top: 14px;
    }

    .event-footer .btn-sm {
        padding: 7px 18px;
        font-size: 13px;
    }

    .event-footer .tag {
        font-size: 12px;
        color: var(--text-muted);
        font-weight: 600;
    }

    .text-link {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        color: var(--accent-dark);
        font-weight: 600;
        font-size: 14px;
    }

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

    /* ===== 流程步骤 ===== */
    .steps-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 24px;
    }

    .step-card {
        background: rgba(255,255,255,0.05);
        border: 1px solid rgba(255,255,255,0.12);
        border-radius: var(--radius);
        padding: 30px 24px;
        position: relative;
        transition: all 0.3s ease;
    }

    .step-card:hover {
        background: rgba(255,255,255,0.1);
        border-color: rgba(0, 200, 150, 0.4);
        transform: translateY(-4px);
    }

    .step-num {
        width: 46px;
        height: 46px;
        border-radius: 50%;
        background: var(--accent);
        color: #ffffff;
        font-size: 18px;
        font-weight: 800;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 18px;
        box-shadow: 0 6px 16px rgba(0, 200, 150, 0.35);
    }

    .step-card h3 {
        font-size: 17px;
        font-weight: 700;
        color: #ffffff;
        margin-bottom: 8px;
    }

    .step-card p {
        font-size: 14px;
        color: rgba(255,255,255,0.7);
        line-height: 1.7;
    }

    /* ===== 赛事日历 ===== */
    .calendar-list {
        background: #ffffff;
        border-radius: var(--radius);
        border: 1px solid var(--border);
        box-shadow: var(--shadow-sm);
        overflow: hidden;
    }

    .calendar-item {
        display: flex;
        align-items: center;
        gap: 20px;
        padding: 20px 24px;
        border-bottom: 1px solid var(--border);
        transition: background 0.2s;
    }

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

    .calendar-item:hover {
        background: var(--bg-light);
    }

    .calendar-date {
        min-width: 68px;
        text-align: center;
        padding: 10px 12px;
        border-radius: 12px;
        background: var(--bg-light);
        border: 1px solid var(--border);
    }

    .calendar-date .date-day {
        display: block;
        font-size: 24px;
        font-weight: 800;
        color: var(--primary);
        line-height: 1.2;
    }

    .calendar-date .date-month {
        font-size: 12px;
        color: var(--text-muted);
        font-weight: 600;
        letter-spacing: 1px;
    }

    .calendar-info {
        flex: 1;
    }

    .calendar-info h4 {
        font-size: 16px;
        font-weight: 700;
        color: var(--primary);
        margin-bottom: 3px;
    }

    .calendar-info p {
        font-size: 13px;
        color: var(--text-muted);
        display: flex;
        align-items: center;
        gap: 6px;
        flex-wrap: wrap;
    }

    .calendar-type {
        font-size: 12px;
        padding: 4px 12px;
        border-radius: 50px;
        font-weight: 600;
        flex-shrink: 0;
    }

    .calendar-type.type-pro {
        background: rgba(26, 58, 107, 0.08);
        color: var(--primary);
        border: 1px solid rgba(26, 58, 107, 0.15);
    }

    .calendar-type.type-amateur {
        background: rgba(0, 200, 150, 0.1);
        color: var(--accent-dark);
        border: 1px solid rgba(0, 200, 150, 0.2);
    }

    .calendar-type.type-youth {
        background: rgba(255, 165, 0, 0.12);
        color: #b26a00;
        border: 1px solid rgba(255, 165, 0, 0.25);
    }

    /* ===== 专题列表 ===== */
    .feature-list {
        display: flex;
        flex-direction: column;
        gap: 24px;
    }

    .feature-item {
        display: flex;
        align-items: stretch;
        background: #ffffff;
        border-radius: var(--radius);
        overflow: hidden;
        border: 1px solid var(--border);
        box-shadow: var(--shadow-sm);
        transition: all 0.3s ease;
    }

    .feature-item:hover {
        box-shadow: var(--shadow);
        transform: translateX(4px);
    }

    .feature-img {
        width: 220px;
        flex-shrink: 0;
        position: relative;
        min-height: 150px;
    }

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

    .feature-body {
        padding: 24px 28px;
        flex: 1;
    }

    .feature-body .feature-tags {
        display: flex;
        gap: 8px;
        margin-bottom: 10px;
        flex-wrap: wrap;
    }

    .feature-body h3 {
        font-size: 19px;
        font-weight: 700;
        color: var(--primary);
        margin-bottom: 8px;
    }

    .feature-body p {
        font-size: 14px;
        color: var(--text-muted);
        line-height: 1.75;
        margin-bottom: 12px;
    }

    .feature-meta {
        display: flex;
        align-items: center;
        gap: 14px;
        font-size: 13px;
        color: var(--text-muted);
    }

    /* ===== FAQ ===== */
    .faq-wrap {
        max-width: 850px;
        margin: 0 auto;
        display: flex;
        flex-direction: column;
        gap: 14px;
    }

    .faq-item {
        background: #ffffff;
        border-radius: var(--radius-sm);
        border: 1px solid var(--border);
        padding: 0;
        overflow: hidden;
        box-shadow: var(--shadow-sm);
    }

    .faq-question {
        width: 100%;
        text-align: left;
        padding: 20px 24px;
        font-size: 16px;
        font-weight: 700;
        color: var(--primary);
        background: transparent;
        border: none;
        cursor: pointer;
        display: flex;
        align-items: center;
        gap: 14px;
        transition: background 0.2s;
    }

    .faq-question:hover {
        background: var(--bg-light);
    }

    .faq-question i {
        width: 28px;
        height: 28px;
        border-radius: 50%;
        background: rgba(0, 200, 150, 0.12);
        color: var(--accent-dark);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 13px;
        flex-shrink: 0;
    }

    .faq-answer {
        padding: 0 24px 20px;
        padding-left: 66px;
        font-size: 14px;
        color: var(--text-muted);
        line-height: 1.8;
        display: none;
    }

    .faq-item.open .faq-answer {
        display: block;
    }

    .faq-item.open .faq-question i {
        transform: rotate(45deg);
        background: var(--accent);
        color: #ffffff;
    }

    /* ===== CTA ===== */
    .cta-section {
        background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
        position: relative;
        padding: 70px 0;
        overflow: hidden;
    }

    .cta-section::before {
        content: '';
        position: absolute;
        top: -60px;
        right: -60px;
        width: 260px;
        height: 260px;
        border-radius: 50%;
        background: rgba(0, 200, 150, 0.18);
        filter: blur(40px);
    }

    .cta-section::after {
        content: '';
        position: absolute;
        bottom: -80px;
        left: -40px;
        width: 220px;
        height: 220px;
        border-radius: 50%;
        background: rgba(255,255,255,0.08);
        filter: blur(40px);
    }

    .cta-inner {
        position: relative;
        z-index: 2;
        text-align: center;
        max-width: 700px;
        margin: 0 auto;
    }

    .cta-inner h2 {
        font-size: 32px;
        font-weight: 800;
        color: #ffffff;
        margin-bottom: 14px;
    }

    .cta-inner p {
        color: rgba(255,255,255,0.8);
        font-size: 16px;
        margin-bottom: 28px;
    }

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

    /* ===== 页脚 ===== */
    .site-footer {
        background: var(--bg-dark);
        color: rgba(255,255,255,0.7);
        padding-top: 60px;
        border-top: 4px solid var(--accent);
    }

    .footer-grid {
        display: grid;
        grid-template-columns: 1.6fr 1fr 1fr 1.3fr;
        gap: 40px;
        padding-bottom: 40px;
    }

    .footer-brand .brand-logo {
        margin-bottom: 16px;
    }

    .footer-brand .logo-main {
        color: #ffffff;
    }

    .footer-brand p {
        font-size: 14px;
        line-height: 1.8;
        color: rgba(255,255,255,0.6);
        max-width: 320px;
    }

    .footer-title {
        font-size: 16px;
        font-weight: 700;
        color: #ffffff;
        margin-bottom: 18px;
        letter-spacing: 1px;
    }

    .footer-links {
        display: flex;
        flex-direction: column;
        gap: 10px;
    }

    .footer-links a {
        font-size: 14px;
        color: rgba(255,255,255,0.65);
        transition: all 0.2s;
    }

    .footer-links a:hover {
        color: var(--accent);
        padding-left: 4px;
    }

    .footer-contact {
        display: flex;
        flex-direction: column;
        gap: 12px;
    }

    .footer-contact-item {
        display: flex;
        align-items: center;
        gap: 12px;
        font-size: 14px;
        color: rgba(255,255,255,0.65);
    }

    .footer-contact-item i {
        width: 30px;
        height: 30px;
        border-radius: 8px;
        background: rgba(0, 200, 150, 0.15);
        color: var(--accent);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 13px;
    }

    .footer-contact-item a {
        color: rgba(255,255,255,0.65);
    }

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

    .footer-bottom {
        border-top: 1px solid rgba(255,255,255,0.1);
        padding: 20px 0;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        flex-wrap: wrap;
        font-size: 13px;
        color: rgba(255,255,255,0.5);
    }

    .footer-bottom a {
        color: rgba(255,255,255,0.5);
    }

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

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

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

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

        .footer-grid {
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }

        .page-hero h1 {
            font-size: 38px;
        }
    }

    @media (max-width: 768px) {
        .main-nav {
            display: none;
            width: 100%;
            flex-direction: column;
            align-items: stretch;
            background: #ffffff;
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow);
            padding: 12px;
            border: 1px solid var(--border);
            margin-top: 4px;
            gap: 4px;
        }

        .main-nav.open {
            display: flex;
        }

        .nav-link {
            padding: 12px 16px;
            border-radius: 10px;
            width: 100%;
        }

        .nav-link.active {
            background: var(--primary);
            color: #ffffff;
        }

        .mobile-toggle {
            display: flex;
        }

        .header-cta {
            display: none;
        }

        .section {
            padding: 56px 0;
        }

        .section-head h2 {
            font-size: 28px;
        }

        .page-hero {
            padding: 70px 0 60px;
        }

        .page-hero h1 {
            font-size: 32px;
        }

        .page-hero p {
            font-size: 15px;
        }

        .event-grid, .category-grid, .steps-grid, .stats-grid {
            grid-template-columns: 1fr;
        }

        .feature-item {
            flex-direction: column;
        }

        .feature-img {
            width: 100%;
            height: 180px;
        }

        .calendar-item {
            flex-wrap: wrap;
            gap: 12px;
        }

        .calendar-date {
            min-width: 56px;
        }

        .footer-grid {
            grid-template-columns: 1fr;
            gap: 30px;
        }

        .footer-bottom {
            flex-direction: column;
            text-align: center;
            justify-content: center;
        }
    }

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

        .top-info-right .top-link:last-child {
            display: none;
        }

        .logo-main {
            font-size: 18px;
        }

        .logo-sub {
            font-size: 9px;
        }

        .page-hero h1 {
            font-size: 27px;
        }

        .hero-actions .btn {
            padding: 12px 22px;
            font-size: 14px;
        }

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

        .cta-inner h2 {
            font-size: 26px;
        }

        .calendar-info p {
            font-size: 12px;
        }

        .event-meta {
            gap: 8px;
            font-size: 12px;
        }

        .faq-answer {
            padding-left: 24px;
        }
    }

/* roulang page: category3 */
:root {
            --primary: #0a1e2e;
            --secondary: #00c896;
            --accent: #0e3a5c;
            --bg: #f3f6f9;
            --text: #1e2a37;
            --text-light: #67788a;
            --border: #e3e8ef;
            --radius: 18px;
            --shadow: 0 10px 34px rgba(10, 30, 46, .08);
            --shadow-hover: 0 18px 42px rgba(10, 30, 46, .14);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Segoe UI', Roboto, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            margin: 0;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color .25s ease;
        }

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

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

        /* ===== 顶部信息条 ===== */
        .topbar {
            background: #081726;
            color: #aebdc9;
            font-size: 13px;
            border-bottom: 1px solid rgba(255, 255, 255, .06);
        }

        .topbar-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 42px;
        }

        .topbar-left,
        .topbar-right {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .topbar-left i {
            color: var(--secondary);
            margin-right: 4px;
        }

        .topbar-divider {
            width: 1px;
            height: 14px;
            background: rgba(255, 255, 255, .15);
            margin: 0 10px;
        }

        .topbar-link {
            color: #aebdc9;
            padding: 0 8px;
            font-size: 13px;
            transition: color .25s ease;
        }

        .topbar-link:hover,
        .topbar-link.active {
            color: var(--secondary);
        }

        .topbar-link+.topbar-link {
            border-left: 1px solid rgba(255, 255, 255, .1);
        }

        @media (max-width: 640px) {
            .topbar .hidden-sm {
                display: none;
            }
            .topbar-inner {
                height: 38px;
            }
        }

        /* ===== 主导航 ===== */
        .main-nav {
            background: #0b1d2e;
            position: sticky;
            top: 0;
            z-index: 100;
            border-bottom: 1px solid rgba(255, 255, 255, .06);
        }

        .nav-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 76px;
            gap: 20px;
        }

        .brand-logo {
            display: inline-flex;
            flex-direction: column;
            line-height: 1.2;
            flex-shrink: 0;
        }

        .logo-main {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            letter-spacing: .5px;
        }

        .logo-sub {
            font-size: 10px;
            letter-spacing: 3px;
            color: #5f7b90;
            text-transform: uppercase;
            margin-top: 3px;
        }

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

        .nav-link {
            color: #c7d3dd;
            font-size: 16px;
            font-weight: 500;
            padding: 10px 18px;
            border-radius: 40px;
            transition: background .25s ease, color .25s ease;
            white-space: nowrap;
        }

        .nav-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, .08);
        }

        .nav-link.active {
            color: #0b1d2e;
            background: linear-gradient(135deg, #00d4a6, #00c896);
            font-weight: 700;
            box-shadow: 0 4px 18px rgba(0, 200, 150, .35);
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(255, 255, 255, .08);
            color: #fff;
            font-size: 18px;
            align-items: center;
            justify-content: center;
            transition: background .25s ease;
        }

        .nav-toggle:hover {
            background: rgba(255, 255, 255, .16);
        }

        /* ===== Hero ===== */
        .wiki-hero {
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            color: #fff;
            position: relative;
            padding: 80px 0 64px;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, .7);
            margin-bottom: 30px;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, .7);
        }

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

        .breadcrumb i {
            font-size: 10px;
            color: rgba(255, 255, 255, .35);
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(0, 200, 150, .15);
            border: 1px solid rgba(0, 200, 150, .35);
            color: #7df0d2;
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 50px;
            margin-bottom: 18px;
            letter-spacing: .5px;
        }

        .wiki-hero h1 {
            font-size: clamp(36px, 5vw, 56px);
            font-weight: 900;
            line-height: 1.2;
            margin: 0 0 16px;
            letter-spacing: 1px;
        }

        .wiki-hero .lead {
            font-size: 17px;
            line-height: 1.8;
            color: rgba(255, 255, 255, .8);
            max-width: 620px;
            margin-bottom: 28px;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 26px;
            border-radius: 50px;
            font-size: 15px;
            font-weight: 600;
            transition: all .25s ease;
        }

        .btn-primary {
            background: linear-gradient(135deg, #00d4a6, #00c896);
            color: #0b1d2e;
            box-shadow: 0 6px 22px rgba(0, 200, 150, .35);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(0, 200, 150, .5);
        }

        .btn-outline {
            background: rgba(255, 255, 255, .06);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, .25);
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, .14);
            border-color: rgba(255, 255, 255, .45);
            transform: translateY(-2px);
        }

        .hero-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            margin-top: 56px;
            padding-top: 32px;
            border-top: 1px solid rgba(255, 255, 255, .12);
        }

        .hero-stat {
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .1);
            border-radius: 16px;
            padding: 18px 20px;
            text-align: center;
            backdrop-filter: blur(6px);
        }

        .hero-stat-num {
            font-size: 30px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 2px;
        }

        .hero-stat-num span {
            color: var(--secondary);
        }

        .hero-stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, .65);
        }

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

        .section-alt {
            background: #fff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .section-head {
            text-align: center;
            max-width: 640px;
            margin: 0 auto 48px;
        }

        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 1.5px;
            text-transform: uppercase;
            color: var(--secondary);
            background: rgba(0, 200, 150, .1);
            padding: 5px 16px;
            border-radius: 50px;
            margin-bottom: 12px;
        }

        .section-head h2 {
            font-size: clamp(26px, 3.2vw, 36px);
            font-weight: 800;
            color: var(--primary);
            margin: 0 0 10px;
            line-height: 1.25;
        }

        .section-head p {
            color: var(--text-light);
            font-size: 15px;
            margin: 0;
        }

        /* ===== 知识体系 ===== */
        .topics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .topic-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 30px 24px;
            box-shadow: var(--shadow);
            transition: transform .3s ease, box-shadow .3s ease;
            position: relative;
            overflow: hidden;
        }

        .topic-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--secondary), #00e0b0);
            opacity: 0;
            transition: opacity .3s ease;
        }

        .topic-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }

        .topic-card:hover::before {
            opacity: 1;
        }

        .topic-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: linear-gradient(135deg, rgba(0, 200, 150, .12), rgba(0, 200, 150, .06));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--secondary);
            margin-bottom: 18px;
        }

        .topic-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--primary);
            margin: 0 0 10px;
        }

        .topic-card p {
            font-size: 14px;
            color: var(--text-light);
            margin: 0 0 14px;
            line-height: 1.6;
        }

        .topic-card ul {
            list-style: none;
            padding: 0;
            margin: 0 0 16px;
        }

        .topic-card ul li {
            font-size: 13px;
            color: var(--text);
            padding-left: 18px;
            position: relative;
            margin-bottom: 5px;
        }

        .topic-card ul li::before {
            content: '›';
            position: absolute;
            left: 0;
            color: var(--secondary);
            font-weight: 700;
        }

        .text-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
        }

        .text-link:hover {
            color: var(--secondary);
        }

        .text-link i {
            font-size: 12px;
            transition: transform .25s ease;
        }

        .text-link:hover i {
            transform: translateX(4px);
        }

        /* ===== 热门百科卡片 ===== */
        .wiki-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .wiki-card {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: transform .3s ease, box-shadow .3s ease;
            display: flex;
            flex-direction: column;
        }

        .wiki-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }

        .wiki-card-img {
            position: relative;
            height: 190px;
            overflow: hidden;
        }

        .wiki-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }

        .wiki-card:hover .wiki-card-img img {
            transform: scale(1.05);
        }

        .wiki-card-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to bottom, transparent 55%, rgba(10, 30, 46, .35));
        }

        .wiki-card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            z-index: 2;
            background: rgba(0, 200, 150, .9);
            color: #0b1d2e;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 50px;
            letter-spacing: .3px;
        }

        .wiki-card-body {
            padding: 22px 22px 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .wiki-card-body h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            margin: 0 0 8px;
        }

        .wiki-card-body p {
            font-size: 14px;
            color: var(--text-light);
            margin: 0 0 16px;
            line-height: 1.65;
            flex: 1;
        }

        .wiki-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: var(--text-light);
            border-top: 1px solid var(--border);
            padding-top: 14px;
        }

        .wiki-card-meta .dot {
            color: var(--secondary);
            margin-right: 4px;
        }

        /* ===== 数据区 ===== */
        .stats-section {
            background: linear-gradient(115deg, #0a1e2e 0%, #0e3a5c 100%);
            padding: 64px 0;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .stats-section::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(0, 200, 150, .2), transparent 70%);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
            z-index: 2;
        }

        .stat-item {
            text-align: center;
            padding: 28px 20px;
            border: 1px solid rgba(255, 255, 255, .1);
            border-radius: 20px;
            background: rgba(255, 255, 255, .04);
            transition: background .3s ease, transform .3s ease;
        }

        .stat-item:hover {
            background: rgba(255, 255, 255, .08);
            transform: translateY(-4px);
        }

        .stat-item i {
            font-size: 26px;
            color: var(--secondary);
            margin-bottom: 10px;
        }

        .stat-item .num {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.2;
        }

        .stat-item .label {
            font-size: 14px;
            color: rgba(255, 255, 255, .7);
            margin-top: 4px;
        }

        /* ===== 文章列表 ===== */
        .article-panel {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            overflow: hidden;
        }

        .article-item {
            display: flex;
            align-items: flex-start;
            gap: 20px;
            padding: 24px 28px;
            border-bottom: 1px solid var(--border);
            transition: background .25s ease;
        }

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

        .article-item:hover {
            background: #fafcfd;
        }

        .article-rank {
            font-size: 28px;
            font-weight: 800;
            color: transparent;
            -webkit-text-stroke: 1.5px #b9c7d3;
            line-height: 1;
            flex-shrink: 0;
            min-width: 34px;
            font-style: italic;
        }

        .article-item:nth-child(1) .article-rank {
            color: var(--secondary);
            -webkit-text-stroke: 0;
        }

        .article-item:nth-child(2) .article-rank {
            color: #4a8fbf;
            -webkit-text-stroke: 0;
        }

        .article-item:nth-child(3) .article-rank {
            color: #9b8adb;
            -webkit-text-stroke: 0;
        }

        .article-info {
            flex: 1;
        }

        .article-info h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--primary);
            margin: 0 0 6px;
            line-height: 1.4;
        }

        .article-info h3:hover {
            color: var(--secondary);
        }

        .article-info p {
            font-size: 14px;
            color: var(--text-light);
            margin: 0 0 8px;
        }

        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            align-items: center;
        }

        .badge {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            padding: 3px 12px;
            border-radius: 50px;
            background: rgba(0, 200, 150, .1);
            color: #0a9c75;
        }

        .badge-hot {
            background: rgba(255, 120, 80, .12);
            color: #e8684f;
        }

        .article-date {
            font-size: 13px;
            color: #9aabb8;
            white-space: nowrap;
        }

        /* ===== 专题图文 ===== */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .feature-card {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            overflow: hidden;
            box-shadow: var(--shadow);
            display: flex;
            transition: transform .3s ease, box-shadow .3s ease;
        }

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

        .feature-img {
            width: 42%;
            min-height: 220px;
            background-size: cover;
            background-position: center;
            flex-shrink: 0;
        }

        .feature-body {
            padding: 24px;
            display: flex;
            flex-direction: column;
        }

        .feature-body h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            margin: 0 0 8px;
        }

        .feature-body p {
            font-size: 14px;
            color: var(--text-light);
            margin: 0 0 14px;
            flex: 1;
        }

        .feature-body .feature-meta {
            font-size: 12px;
            color: #9aabb8;
        }

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

        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 14px;
            margin-bottom: 12px;
            padding: 0;
            box-shadow: 0 2px 10px rgba(10, 30, 46, .04);
            transition: border-color .25s ease, box-shadow .25s ease;
            overflow: hidden;
        }

        .faq-item:hover {
            border-color: rgba(0, 200, 150, .4);
            box-shadow: 0 6px 18px rgba(10, 30, 46, .08);
        }

        .faq-question {
            width: 100%;
            padding: 18px 22px;
            font-size: 15px;
            font-weight: 600;
            color: var(--primary);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 14px;
            text-align: left;
        }

        .faq-question .faq-icon {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: rgba(0, 200, 150, .1);
            color: var(--secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            flex-shrink: 0;
            transition: all .3s ease;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--secondary);
            color: #0b1d2e;
        }

        .faq-answer {
            display: none;
            padding: 0 22px 18px;
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(120deg, #0e3a5c, #0a1e2e);
            padding: 64px 0;
            text-align: center;
            color: #fff;
        }

        .cta-section h2 {
            font-size: clamp(24px, 3vw, 32px);
            font-weight: 800;
            margin-bottom: 10px;
        }

        .cta-section p {
            color: rgba(255, 255, 255, .75);
            max-width: 560px;
            margin: 0 auto 26px;
        }

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

        /* ===== 页脚 ===== */
        .site-footer {
            background: #081726;
            color: #aebdc9;
            padding: 56px 0 24px;
        }

        .site-footer .container {
            max-width: 1200px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 36px;
            margin-bottom: 36px;
        }

        .brand-logo {
            display: inline-flex;
            flex-direction: column;
        }

        .brand-logo .logo-main {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
        }

        .brand-logo .logo-sub {
            font-size: 10px;
            letter-spacing: 3px;
            color: #5f7b90;
            text-transform: uppercase;
            margin-top: 3px;
        }

        .footer-brand p {
            font-size: 13px;
            line-height: 1.7;
            color: #8fa1b1;
            margin: 14px 0 0;
        }

        .footer-title {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: .5px;
        }

        .footer-links {
            display: grid;
            gap: 4px;
        }

        .footer-links a {
            font-size: 13px;
            color: #8fa1b1;
            padding: 3px 0;
        }

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

        .footer-contact {
            display: grid;
            gap: 6px;
        }

        .footer-contact-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: #8fa1b1;
        }

        .footer-contact-item i {
            color: var(--secondary);
            width: 16px;
            text-align: center;
        }

        .footer-contact-item a {
            color: #8fa1b1;
        }

        .footer-contact-item a:hover {
            color: var(--secondary);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding-top: 22px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 12px;
            color: #6d7f8c;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .topics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .wiki-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .hero-stats {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 76px;
                left: 0;
                right: 0;
                background: #0b1d2e;
                flex-direction: column;
                padding: 16px 20px 20px;
                gap: 8px;
                border-bottom: 1px solid rgba(255, 255, 255, .1);
                box-shadow: 0 20px 30px rgba(0, 0, 0, .3);
            }
            .nav-links.open {
                display: flex;
            }
            .nav-link {
                width: 100%;
                text-align: center;
                padding: 12px;
            }
            .nav-inner {
                height: 76px;
            }
            .ui-hero {
                padding: 48px 0;
            }
            .hero-stats {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .topics-grid,
            .wiki-grid {
                grid-template-columns: 1fr;
            }
            .article-item {
                flex-wrap: wrap;
                gap: 10px;
                padding: 18px;
            }
            .article-date {
                white-space: normal;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .hero-stats {
                grid-template-columns: 1fr 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
            .feature-card {
                flex-direction: column;
            }
            .feature-img {
                width: 100%;
                min-height: 170px;
            }
            .hero-actions {
                flex-direction: column;
            }
            .hero-actions .btn {
                justify-content: center;
            }
        }