/* roulang page: index */
:root {
            --primary: #1a6b5a;
            --primary-light: #2c8a75;
            --primary-lighter: #e8f5f1;
            --primary-dark: #0f4d3f;
            --primary-soft: #d4ede6;
            --accent: #c8963e;
            --accent-light: #e8c97a;
            --accent-soft: #fdf6ea;
            --bg: #f6f7f9;
            --bg-alt: #eef1f4;
            --surface: #ffffff;
            --surface-hover: #fafbfc;
            --text: #1a1a2e;
            --text-secondary: #4a4f5c;
            --text-light: #6b7280;
            --text-muted: #9ca3af;
            --border: #e2e5ea;
            --border-light: #eef0f3;
            --border-focus: #1a6b5a;
            --radius-sm: 6px;
            --radius: 10px;
            --radius-lg: 14px;
            --radius-xl: 20px;
            --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
            --shadow: 0 4px 16px rgba(0,0,0,0.07), 0 1px 4px rgba(0,0,0,0.05);
            --shadow-lg: 0 12px 36px rgba(0,0,0,0.10), 0 2px 8px rgba(0,0,0,0.05);
            --shadow-xl: 0 20px 50px rgba(0,0,0,0.12), 0 4px 12px rgba(0,0,0,0.06);
            --transition-fast: 0.15s ease;
            --transition: 0.25s ease;
            --transition-slow: 0.35s ease;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --font-mono: 'SF Mono', 'Cascadia Code', 'Consolas', 'Monaco', monospace;
            --header-top-height: 38px;
            --header-nav-height: 66px;
            --header-total-height: 104px;
            --container-max: 1240px;
            --container-narrow: 960px;
            --section-gap: 72px;
            --section-gap-sm: 48px;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.65;
            color: var(--text);
            background-color: var(--bg);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--primary-dark);
        }
        a:focus-visible {
            outline: 2px solid var(--border-focus);
            outline-offset: 3px;
            border-radius: 3px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        button:focus-visible {
            outline: 2px solid var(--border-focus);
            outline-offset: 2px;
            border-radius: 4px;
        }

        ul, ol {
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        .container-narrow {
            max-width: var(--container-narrow);
        }

        /* ========== HEADER TOP BAR ========== */
        .header-top {
            background: #111827;
            color: #c9cdd4;
            font-size: 13px;
            height: var(--header-top-height);
            line-height: var(--header-top-height);
            position: relative;
            z-index: 1001;
        }
        .header-top .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .header-top-left {
            display: flex;
            align-items: center;
            gap: 18px;
            white-space: nowrap;
        }
        .header-top-left .top-domain {
            color: #9ca3af;
            font-family: var(--font-mono);
            font-size: 12px;
            letter-spacing: 0.3px;
        }
        .header-top-left .top-badge {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            font-size: 11px;
            padding: 2px 10px;
            border-radius: 20px;
            line-height: 1.5;
            font-weight: 600;
            letter-spacing: 0.5px;
        }
        .header-top-right {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .header-top-right a {
            color: #c9cdd4;
            font-size: 13px;
            transition: color var(--transition-fast);
        }
        .header-top-right a:hover {
            color: #fff;
        }
        .top-hotline {
            color: var(--accent-light);
            font-weight: 500;
        }

        /* ========== HEADER MAIN NAV ========== */
        .header-nav {
            background: var(--surface);
            height: var(--header-nav-height);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow-xs);
        }
        .header-nav .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 700;
            color: var(--primary-dark);
            letter-spacing: 0.5px;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .nav-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 800;
            flex-shrink: 0;
        }
        .nav-logo:hover {
            color: var(--primary);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 10px 18px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .nav-links a:hover {
            color: var(--primary);
            background: var(--primary-lighter);
        }
        .nav-links a.active {
            color: var(--primary);
            background: var(--primary-lighter);
            font-weight: 600;
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 18px;
            right: 18px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            padding: 9px 20px;
            background: var(--primary);
            color: #fff !important;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 600;
            transition: all var(--transition-fast);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .nav-cta:hover {
            background: var(--primary-dark);
            color: #fff !important;
            box-shadow: var(--shadow);
        }
        .nav-hamburger {
            display: none;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            background: var(--surface);
            flex-shrink: 0;
        }
        .nav-hamburger span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text);
            position: relative;
            transition: all var(--transition);
        }
        .nav-hamburger span::before,
        .nav-hamburger span::after {
            content: '';
            position: absolute;
            width: 20px;
            height: 2px;
            background: var(--text);
            transition: all var(--transition);
            left: 0;
        }
        .nav-hamburger span::before { top: -6px; }
        .nav-hamburger span::after { top: 6px; }
        .nav-hamburger.open span { background: transparent; }
        .nav-hamburger.open span::before { top: 0; transform: rotate(45deg); }
        .nav-hamburger.open span::after { top: 0; transform: rotate(-45deg); }

        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--header-total-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--surface);
            z-index: 999;
            flex-direction: column;
            padding: 20px 24px;
            gap: 4px;
            overflow-y: auto;
            border-top: 1px solid var(--border);
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu a {
            display: block;
            padding: 14px 18px;
            border-radius: var(--radius);
            font-size: 16px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            border: 1px solid transparent;
        }
        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--primary);
            background: var(--primary-lighter);
            border-color: var(--primary-soft);
        }
        .mobile-menu .mobile-cta {
            margin-top: 12px;
            background: var(--primary);
            color: #fff !important;
            text-align: center;
            font-weight: 600;
            border: none;
        }
        .mobile-menu .mobile-cta:hover {
            background: var(--primary-dark);
            color: #fff !important;
        }

        /* ========== HERO ========== */
        .hero {
            position: relative;
            background: linear-gradient(180deg, #0d2a22 0%, #14382d 40%, #1a4d3c 100%);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            color: #fff;
            padding: 80px 0 90px;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(160deg, rgba(13,42,34,0.82) 0%, rgba(20,56,45,0.78) 40%, rgba(26,77,60,0.85) 100%);
            z-index: 1;
        }
        .hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: linear-gradient(to top, var(--bg) 0%, transparent 100%);
            z-index: 2;
        }
        .hero .container {
            position: relative;
            z-index: 3;
        }
        .hero-content {
            max-width: 680px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255,255,255,0.12);
            border: 1px solid rgba(255,255,255,0.25);
            border-radius: 30px;
            padding: 6px 16px;
            font-size: 14px;
            font-weight: 500;
            color: rgba(255,255,255,0.9);
            margin-bottom: 24px;
            letter-spacing: 0.5px;
            backdrop-filter: blur(4px);
        }
        .hero-badge .dot {
            width: 8px;
            height: 8px;
            background: #4ade80;
            border-radius: 50%;
            animation: pulse-dot 2s infinite;
        }
        @keyframes pulse-dot {
            0%,100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.5); }
        }
        .hero h1 {
            font-size: 48px;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: 0.5px;
            margin-bottom: 18px;
            color: #fff;
        }
        .hero h1 .highlight {
            color: var(--accent-light);
            position: relative;
        }
        .hero-desc {
            font-size: 18px;
            line-height: 1.7;
            color: rgba(255,255,255,0.78);
            margin-bottom: 32px;
            max-width: 560px;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: var(--radius);
            font-size: 15px;
            font-weight: 600;
            transition: all var(--transition);
            letter-spacing: 0.3px;
            white-space: nowrap;
            cursor: pointer;
            border: 2px solid transparent;
        }
        .btn-primary {
            background: var(--accent);
            color: #1a1a2e;
            border-color: var(--accent);
        }
        .btn-primary:hover {
            background: #d4a046;
            border-color: #d4a046;
            box-shadow: 0 8px 24px rgba(200,150,62,0.35);
            transform: translateY(-1px);
            color: #1a1a2e;
        }
        .btn-outline {
            background: transparent;
            color: #fff;
            border-color: rgba(255,255,255,0.45);
        }
        .btn-outline:hover {
            background: rgba(255,255,255,0.1);
            border-color: rgba(255,255,255,0.7);
            color: #fff;
            transform: translateY(-1px);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
            border-radius: var(--radius-sm);
        }
        .btn-lg {
            padding: 16px 34px;
            font-size: 17px;
            border-radius: var(--radius-lg);
        }

        /* ========== SECTIONS ========== */
        .section {
            padding: var(--section-gap) 0;
        }
        .section-sm {
            padding: var(--section-gap-sm) 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 44px;
        }
        .section-header .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            color: var(--primary);
            margin-bottom: 10px;
            background: var(--primary-lighter);
            padding: 5px 14px;
            border-radius: 20px;
        }
        .section-header h2 {
            font-size: 34px;
            font-weight: 700;
            color: var(--text);
            letter-spacing: 0.3px;
            margin-bottom: 10px;
        }
        .section-header .section-subtitle {
            font-size: 16px;
            color: var(--text-light);
            max-width: 560px;
            margin: 0 auto;
        }
        .section-header-left {
            text-align: left;
            margin-bottom: 36px;
        }
        .section-header-left .section-subtitle {
            margin: 0;
        }

        /* ========== KPI DASHBOARD ========== */
        .kpi-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }
        .kpi-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 26px 24px;
            text-align: center;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }
        .kpi-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 20px;
            right: 20px;
            height: 3px;
            background: var(--primary-soft);
            border-radius: 0 0 4px 4px;
            transition: all var(--transition);
        }
        .kpi-card:hover {
            box-shadow: var(--shadow-lg);
            border-color: var(--primary-soft);
            transform: translateY(-2px);
        }
        .kpi-card:hover::before {
            background: var(--primary);
        }
        .kpi-number {
            font-size: 44px;
            font-weight: 800;
            color: var(--primary-dark);
            letter-spacing: -1px;
            line-height: 1;
            margin-bottom: 8px;
            font-family: var(--font-mono);
        }
        .kpi-number .kpi-unit {
            font-size: 20px;
            font-weight: 600;
            color: var(--primary);
            margin-left: 2px;
        }
        .kpi-label {
            font-size: 14px;
            color: var(--text-light);
            font-weight: 500;
            letter-spacing: 0.3px;
        }
        .kpi-trend {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            color: #16a34a;
            margin-top: 8px;
            background: #f0fdf4;
            padding: 3px 10px;
            border-radius: 12px;
        }

        /* ========== CATEGORY CARDS ========== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 22px;
        }
        .category-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            overflow: hidden;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .category-card:hover {
            box-shadow: var(--shadow-lg);
            border-color: var(--primary-soft);
            transform: translateY(-3px);
        }
        .category-card-img {
            width: 100%;
            height: 220px;
            object-fit: cover;
            border-bottom: 1px solid var(--border-light);
        }
        .category-card-body {
            padding: 24px 26px 28px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .category-card-body h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            letter-spacing: 0.3px;
        }
        .category-card-body p {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.6;
            margin-bottom: 18px;
            flex: 1;
        }
        .category-card-body .btn {
            align-self: flex-start;
        }
        .category-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-lighter);
            padding: 4px 12px;
            border-radius: 14px;
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }

        /* ========== NEWS LIST ========== */
        .news-list {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            overflow: hidden;
        }
        .news-list-header {
            padding: 20px 26px;
            border-bottom: 1px solid var(--border-light);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .news-list-header h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
        }
        .news-list-header .view-all {
            font-size: 14px;
            font-weight: 500;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .news-list-header .view-all:hover {
            color: var(--primary-dark);
        }
        .news-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 17px 26px;
            border-bottom: 1px solid var(--border-light);
            transition: background var(--transition-fast);
        }
        .news-item:last-child {
            border-bottom: none;
        }
        .news-item:hover {
            background: var(--surface-hover);
        }
        .news-item-index {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 700;
            color: var(--text-light);
            flex-shrink: 0;
        }
        .news-item:nth-child(1) .news-item-index,
        .news-item:nth-child(2) .news-item-index,
        .news-item:nth-child(3) .news-item-index {
            background: var(--primary-lighter);
            color: var(--primary);
            font-weight: 800;
        }
        .news-item-info {
            flex: 1;
            min-width: 0;
        }
        .news-item-info .news-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.4;
            display: block;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .news-item-info .news-title:hover {
            color: var(--primary);
        }
        .news-item-meta {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 4px;
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .news-item-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .news-empty {
            padding: 40px 26px;
            text-align: center;
            color: var(--text-muted);
            font-size: 15px;
        }

        /* ========== FEATURES ========== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        .feature-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 30px 26px;
            transition: all var(--transition);
            text-align: center;
        }
        .feature-card:hover {
            box-shadow: var(--shadow);
            border-color: var(--primary-soft);
            transform: translateY(-2px);
        }
        .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius);
            background: var(--primary-lighter);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            font-size: 26px;
            color: var(--primary);
            transition: all var(--transition);
        }
        .feature-card:hover .feature-icon {
            background: var(--primary);
            color: #fff;
        }
        .feature-card h4 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }
        .feature-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.6;
        }

        /* ========== PROCESS / TIMELINE ========== */
        .process-list {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .process-step {
            flex: 1;
            min-width: 200px;
            max-width: 260px;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            text-align: center;
            position: relative;
            transition: all var(--transition);
        }
        .process-step:hover {
            box-shadow: var(--shadow);
            border-color: var(--primary-soft);
        }
        .process-step-num {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-size: 18px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
        }
        .process-step h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
        }
        .process-step p {
            font-size: 13px;
            color: var(--text-light);
            line-height: 1.5;
        }
        .process-arrow {
            display: flex;
            align-items: center;
            font-size: 22px;
            color: var(--primary-soft);
            flex-shrink: 0;
            align-self: center;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: 10px;
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--primary-soft);
        }
        .faq-question {
            width: 100%;
            padding: 18px 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            text-align: left;
            gap: 12px;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: var(--text-light);
            flex-shrink: 0;
            transition: all var(--transition);
        }
        .faq-item.open .faq-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-answer {
            padding: 0 22px 18px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(160deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
            color: #fff;
            text-align: center;
            padding: 64px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 280px;
            height: 280px;
            background: rgba(255,255,255,0.04);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -60px;
            width: 200px;
            height: 200px;
            background: rgba(255,255,255,0.03);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: 32px;
            font-weight: 800;
            letter-spacing: 0.4px;
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 17px;
            color: rgba(255,255,255,0.75);
            margin-bottom: 28px;
            max-width: 520px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-section .btn {
            background: #fff;
            color: var(--primary-dark);
            border-color: #fff;
            font-weight: 700;
        }
        .cta-section .btn:hover {
            background: #f0f0f0;
            border-color: #f0f0f0;
            box-shadow: 0 8px 28px rgba(0,0,0,0.2);
            transform: translateY(-2px);
        }

        /* ========== FOOTER ========== */
        .footer {
            background: #111827;
            color: #c9cdd4;
            padding: 50px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }
        .footer-brand {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: 0.4px;
        }
        .footer-brand-desc {
            font-size: 14px;
            color: #9ca3af;
            line-height: 1.6;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
            text-transform: uppercase;
        }
        .footer-col a {
            display: block;
            font-size: 14px;
            color: #9ca3af;
            padding: 5px 0;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 22px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: #6b7280;
        }
        .footer-bottom a {
            color: #9ca3af;
        }
        .footer-bottom a:hover {
            color: #fff;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .kpi-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .hero h1 {
                font-size: 38px;
            }
            .section-header h2 {
                font-size: 28px;
            }
        }
        @media (max-width: 768px) {
            :root {
                --section-gap: 48px;
                --section-gap-sm: 32px;
                --header-nav-height: 56px;
                --header-total-height: 94px;
            }
            .header-top {
                font-size: 11px;
                height: 32px;
                line-height: 32px;
            }
            .header-top-left .top-domain {
                font-size: 10px;
            }
            .header-top-left .top-badge {
                font-size: 10px;
                padding: 1px 8px;
            }
            .header-top-right {
                gap: 10px;
                font-size: 11px;
            }
            .header-top-right a {
                font-size: 11px;
            }
            .nav-links {
                display: none;
            }
            .nav-cta {
                display: none;
            }
            .nav-hamburger {
                display: flex;
            }
            .nav-logo {
                font-size: 18px;
            }
            .nav-logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 15px;
            }
            .hero {
                padding: 50px 0 60px;
            }
            .hero h1 {
                font-size: 30px;
            }
            .hero-desc {
                font-size: 15px;
            }
            .hero-actions {
                flex-direction: column;
                gap: 10px;
            }
            .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }
            .kpi-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .kpi-number {
                font-size: 34px;
            }
            .category-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .category-card-img {
                height: 180px;
            }
            .features-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .process-list {
                flex-direction: column;
                align-items: center;
            }
            .process-arrow {
                transform: rotate(90deg);
            }
            .process-step {
                max-width: 100%;
                min-width: auto;
                width: 100%;
            }
            .news-item {
                padding: 14px 16px;
                gap: 10px;
            }
            .news-list-header {
                padding: 16px;
            }
            .news-list-header h3 {
                font-size: 16px;
            }
            .section-header h2 {
                font-size: 24px;
            }
            .section {
                padding: var(--section-gap) 0;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 22px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .cta-section h2 {
                font-size: 26px;
            }
            .cta-section p {
                font-size: 15px;
            }
            .faq-question {
                font-size: 15px;
                padding: 15px 16px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
            .hero h1 {
                font-size: 25px;
            }
            .hero-desc {
                font-size: 14px;
            }
            .kpi-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .kpi-card {
                padding: 20px 16px;
            }
            .kpi-number {
                font-size: 30px;
            }
            .section-header h2 {
                font-size: 22px;
            }
            .category-card-body {
                padding: 18px 16px 20px;
            }
            .category-card-body h3 {
                font-size: 18px;
            }
            .btn {
                padding: 11px 20px;
                font-size: 14px;
            }
            .feature-card {
                padding: 22px 18px;
            }
            .header-top-left .top-domain {
                display: none;
            }
        }

/* roulang page: category1 */
/* ========== 设计变量 ========== */
        :root {
            --color-primary: #2c7a7a;
            --color-primary-light: #3d9b9b;
            --color-primary-dark: #1a5c5c;
            --color-primary-pale: #e8f4f4;
            --color-accent: #d4a843;
            --color-accent-light: #e8c56d;
            --color-bg: #f7f8f9;
            --color-surface: #ffffff;
            --color-text: #1e293b;
            --color-text-secondary: #475569;
            --color-text-muted: #64748b;
            --color-border: #e2e8f0;
            --color-border-light: #f1f5f9;
            --color-live: #dc2626;
            --color-upcoming: #f59e0b;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.07);
            --shadow-lg: 0 8px 20px rgba(0, 0, 0, 0.09);
            --shadow-xl: 0 12px 32px rgba(0, 0, 0, 0.12);
            --transition-fast: 0.18s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.35s ease;
        }

        /* ========== 基础 Reset ========== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

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

        body {
            font-family: "Inter", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
            font-size: 16px;
            line-height: 1.6;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
        }

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

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

        button,
        input {
            font-family: inherit;
            font-size: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        ul,
        ol {
            list-style: none;
        }

        /* ========== 顶部信息条 ========== */
        .top-bar {
            background: #1a3c3c;
            color: #c8d6d6;
            font-size: 0.8rem;
            padding: 6px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            position: relative;
            z-index: 1001;
        }
        .top-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }
        .top-bar-left {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .top-bar-right {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .top-bar a {
            color: #b8cccc;
            transition: color var(--transition-fast);
            white-space: nowrap;
            font-size: 0.78rem;
        }
        .top-bar a:hover {
            color: #ffffff;
        }
        .top-bar .live-dot {
            display: inline-block;
            width: 7px;
            height: 7px;
            background: #ef4444;
            border-radius: 50%;
            margin-right: 6px;
            animation: pulse-dot 1.6s ease-in-out infinite;
            vertical-align: middle;
            position: relative;
            top: -1px;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.6);
            }
            50% {
                box-shadow: 0 0 0 7px rgba(239, 68, 68, 0);
            }
        }
        .top-bar .top-divider {
            width: 1px;
            height: 14px;
            background: rgba(255, 255, 255, 0.2);
            display: inline-block;
            vertical-align: middle;
        }

        /* ========== 主导航 ========== */
        .main-header {
            background: #ffffff;
            border-bottom: 1px solid var(--color-border);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow-xs);
        }
        .main-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 12px;
            padding-bottom: 12px;
            gap: 16px;
        }
        .header-brand {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-primary-dark);
            letter-spacing: 0.02em;
            white-space: nowrap;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .header-brand i {
            color: var(--color-primary);
            font-size: 1.4rem;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: var(--radius-md);
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
            letter-spacing: 0.01em;
        }
        .nav-links a:hover {
            color: var(--color-primary);
            background: var(--color-primary-pale);
        }
        .nav-links a.active {
            color: #ffffff;
            background: var(--color-primary);
            font-weight: 600;
            box-shadow: 0 2px 6px rgba(44, 122, 122, 0.3);
        }
        .nav-links a.active:hover {
            background: var(--color-primary-dark);
            color: #ffffff;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 18px;
            background: var(--color-accent);
            color: #1a1a1a;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.88rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.01em;
        }
        .btn-nav-cta:hover {
            background: var(--color-accent-light);
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.6rem;
            color: var(--color-text);
            cursor: pointer;
            padding: 6px;
            line-height: 1;
        }

        /* ========== 容器 ========== */
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        .container-narrow {
            max-width: 960px;
        }

        /* ========== 板块间距 ========== */
        .section {
            padding: 52px 0;
        }
        .section-sm {
            padding: 36px 0;
        }
        .section-lg {
            padding: 64px 0;
        }
        .section-title {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
            letter-spacing: 0.01em;
        }
        .section-subtitle {
            font-size: 0.95rem;
            color: var(--color-text-muted);
            margin-bottom: 32px;
            line-height: 1.5;
        }
        .section-header {
            margin-bottom: 28px;
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .section-header .section-title {
            margin-bottom: 0;
        }
        .section-header-link {
            font-size: 0.88rem;
            color: var(--color-primary);
            font-weight: 500;
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: color var(--transition-fast);
        }
        .section-header-link:hover {
            color: var(--color-primary-dark);
        }

        /* ========== Hero Banner ========== */
        .category-hero {
            position: relative;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            padding: 70px 0;
            min-height: 280px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg,
                    rgba(26, 60, 60, 0.88) 0%,
                    rgba(26, 50, 50, 0.78) 40%,
                    rgba(20, 40, 40, 0.85) 100%);
            z-index: 1;
        }
        .category-hero .container {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 32px;
            flex-wrap: wrap;
        }
        .category-hero-content {
            flex: 1;
            min-width: 260px;
        }
        .category-hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.12);
            color: #e0f0f0;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.82rem;
            margin-bottom: 14px;
            border: 1px solid rgba(255, 255, 255, 0.18);
            backdrop-filter: blur(4px);
        }
        .category-hero-badge .dot {
            width: 8px;
            height: 8px;
            background: #ef4444;
            border-radius: 50%;
            animation: pulse-dot 1.6s ease-in-out infinite;
        }
        .category-hero h1 {
            font-size: 2.4rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 10px;
            letter-spacing: 0.02em;
            line-height: 1.25;
        }
        .category-hero p {
            font-size: 1.05rem;
            color: #c0d4d4;
            line-height: 1.6;
            max-width: 520px;
            margin-bottom: 20px;
        }
        .category-hero-stats {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
        }
        .category-hero-stat {
            display: flex;
            align-items: center;
            gap: 8px;
            color: #d8e8e8;
            font-size: 0.9rem;
        }
        .category-hero-stat strong {
            font-size: 1.35rem;
            color: #ffffff;
            font-weight: 700;
        }
        .category-hero-stat i {
            color: var(--color-accent-light);
            font-size: 1.1rem;
        }

        /* ========== 直播卡片 ========== */
        .live-card {
            background: #ffffff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            overflow: hidden;
            transition: all var(--transition-base);
            position: relative;
            box-shadow: var(--shadow-xs);
        }
        .live-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: #cbd5e1;
        }
        .live-card-img {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: #e8eded;
        }
        .live-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .live-card:hover .live-card-img img {
            transform: scale(1.04);
        }
        .live-card-badge {
            position: absolute;
            top: 10px;
            left: 10px;
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.02em;
            z-index: 2;
        }
        .badge-live {
            background: #dc2626;
            color: #fff;
            animation: badge-pulse 2s ease-in-out infinite;
        }
        @keyframes badge-pulse {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.75;
            }
        }
        .badge-upcoming {
            background: #f59e0b;
            color: #1a1a1a;
        }
        .badge-replay {
            background: #64748b;
            color: #fff;
        }
        .live-card-viewers {
            position: absolute;
            top: 10px;
            right: 10px;
            background: rgba(0, 0, 0, 0.65);
            color: #fff;
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 0.75rem;
            font-weight: 500;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 5px;
        }
        .live-card-body {
            padding: 16px 18px;
        }
        .live-card-league {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            margin-bottom: 6px;
            letter-spacing: 0.03em;
            text-transform: uppercase;
        }
        .live-card-matchup {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 4px;
            line-height: 1.35;
        }
        .live-card-score {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--color-primary-dark);
            letter-spacing: 0.04em;
            font-family: "JetBrains Mono", "SF Mono", "Consolas", monospace;
            margin: 6px 0;
        }
        .live-card-score.upcoming-score {
            color: #94a3b8;
            font-size: 1.1rem;
        }
        .live-card-meta {
            font-size: 0.82rem;
            color: var(--color-text-muted);
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }
        .live-card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* ========== KPI 仪表盘 ========== */
        .kpi-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .kpi-card {
            background: #ffffff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 20px 22px;
            transition: all var(--transition-fast);
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-xs);
        }
        .kpi-card:hover {
            box-shadow: var(--shadow-md);
            border-color: #cbd5e1;
        }
        .kpi-card::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 60px;
            height: 60px;
            background: var(--color-primary-pale);
            border-radius: 0 0 0 50px;
            opacity: 0.5;
            transition: all var(--transition-base);
        }
        .kpi-card:hover::after {
            width: 80px;
            height: 80px;
            opacity: 0.7;
        }
        .kpi-card-icon {
            font-size: 1.3rem;
            color: var(--color-primary);
            margin-bottom: 8px;
            position: relative;
            z-index: 1;
        }
        .kpi-card-value {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-text);
            letter-spacing: -0.02em;
            position: relative;
            z-index: 1;
            font-family: "JetBrains Mono", "SF Mono", "Consolas", monospace;
        }
        .kpi-card-label {
            font-size: 0.82rem;
            color: var(--color-text-muted);
            margin-top: 2px;
            position: relative;
            z-index: 1;
        }
        .kpi-card-trend {
            font-size: 0.78rem;
            margin-top: 4px;
            position: relative;
            z-index: 1;
            display: inline-flex;
            align-items: center;
            gap: 3px;
        }
        .kpi-trend-up {
            color: #16a34a;
        }
        .kpi-trend-stable {
            color: #64748b;
        }

        /* ========== 赛事时间表（表格风格） ========== */
        .schedule-table-wrap {
            background: #ffffff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-xs);
        }
        .schedule-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.9rem;
        }
        .schedule-table thead th {
            background: #f8fafb;
            color: var(--color-text-muted);
            font-weight: 600;
            font-size: 0.78rem;
            text-transform: uppercase;
            letter-spacing: 0.04em;
            padding: 14px 16px;
            text-align: left;
            border-bottom: 2px solid #e2e8f0;
            white-space: nowrap;
        }
        .schedule-table tbody td {
            padding: 13px 16px;
            border-bottom: 1px solid var(--color-border-light);
            vertical-align: middle;
        }
        .schedule-table tbody tr {
            transition: background var(--transition-fast);
        }
        .schedule-table tbody tr:hover {
            background: #f8fafb;
        }
        .schedule-table tbody tr:last-child td {
            border-bottom: none;
        }
        .schedule-table .team-cell {
            font-weight: 600;
            color: var(--color-text);
        }
        .schedule-table .time-cell {
            font-family: "JetBrains Mono", "SF Mono", "Consolas", monospace;
            font-weight: 500;
            color: var(--color-primary-dark);
            white-space: nowrap;
        }
        .schedule-status {
            display: inline-block;
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .schedule-status.live-now {
            background: #fef2f2;
            color: #dc2626;
        }
        .schedule-status.coming {
            background: #fffbeb;
            color: #d97706;
        }
        .schedule-status.ended {
            background: #f1f5f9;
            color: #64748b;
        }

        /* ========== 热门排行 ========== */
        .hot-rank-list {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .hot-rank-item {
            display: flex;
            align-items: center;
            gap: 14px;
            background: #ffffff;
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            padding: 13px 16px;
            transition: all var(--transition-fast);
        }
        .hot-rank-item:hover {
            box-shadow: var(--shadow-sm);
            border-color: #cbd5e1;
        }
        .hot-rank-num {
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.05rem;
            border-radius: var(--radius-sm);
            flex-shrink: 0;
            font-family: "JetBrains Mono", "SF Mono", "Consolas", monospace;
        }
        .hot-rank-num.top-1 {
            background: #fef3c7;
            color: #b45309;
        }
        .hot-rank-num.top-2 {
            background: #e2e8f0;
            color: #475569;
        }
        .hot-rank-num.top-3 {
            background: #fef2e4;
            color: #c2410c;
        }
        .hot-rank-num.default-rank {
            background: #f8fafb;
            color: #94a3b8;
        }
        .hot-rank-info {
            flex: 1;
            min-width: 0;
        }
        .hot-rank-title {
            font-weight: 500;
            color: var(--color-text);
            font-size: 0.9rem;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .hot-rank-heat {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            display: flex;
            align-items: center;
            gap: 4px;
            flex-shrink: 0;
            white-space: nowrap;
        }

        /* ========== CTA 板块 ========== */
        .cta-section {
            background: linear-gradient(135deg, #1a3c3c 0%, #1e4a4a 50%, #1a3c3c 100%);
            padding: 52px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.03);
            z-index: 0;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -30px;
            left: -30px;
            width: 150px;
            height: 150px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.025);
            z-index: 0;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: 1.75rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 8px;
            letter-spacing: 0.02em;
        }
        .cta-section p {
            color: #b8cccc;
            font-size: 0.95rem;
            max-width: 500px;
            margin: 0 auto 24px;
            line-height: 1.55;
        }
        .btn-cta-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            background: var(--color-accent);
            color: #1a1a1a;
            border-radius: var(--radius-md);
            font-weight: 700;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
            box-shadow: 0 4px 14px rgba(212, 168, 67, 0.35);
        }
        .btn-cta-primary:hover {
            background: var(--color-accent-light);
            box-shadow: 0 6px 20px rgba(212, 168, 67, 0.5);
            transform: translateY(-2px);
        }
        .btn-cta-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            background: transparent;
            color: #ffffff;
            border: 2px solid rgba(255, 255, 255, 0.35);
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
        }
        .btn-cta-outline:hover {
            border-color: #ffffff;
            background: rgba(255, 255, 255, 0.08);
        }

        /* ========== 页脚 ========== */
        .footer {
            background: #1a2634;
            color: #c0ccd4;
            padding: 44px 0 24px;
            font-size: 0.88rem;
            border-top: 3px solid var(--color-primary);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 30px;
            margin-bottom: 30px;
        }
        .footer-brand {
            font-size: 1.2rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 8px;
            letter-spacing: 0.02em;
        }
        .footer-brand-desc {
            font-size: 0.82rem;
            color: #8899a4;
            line-height: 1.6;
            max-width: 280px;
        }
        .footer-col h4 {
            font-size: 0.85rem;
            font-weight: 600;
            color: #d0d8de;
            margin-bottom: 12px;
            letter-spacing: 0.03em;
            text-transform: uppercase;
        }
        .footer-col a {
            display: block;
            color: #8a9aa6;
            padding: 5px 0;
            font-size: 0.82rem;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: #ffffff;
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            padding-top: 18px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.78rem;
            color: #6a7a86;
        }
        .footer-bottom a {
            color: #8a9aa6;
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: #ffffff;
        }

        /* ========== 辅助 class ========== */
        .text-primary {
            color: var(--color-primary);
        }
        .text-muted {
            color: var(--color-text-muted);
        }
        .text-accent {
            color: var(--color-accent);
        }
        .bg-surface {
            background: #ffffff;
        }
        .bg-alt {
            background: var(--color-bg);
        }
        .border-light {
            border: 1px solid var(--color-border-light);
        }
        .rounded-lg {
            border-radius: var(--radius-lg);
        }
        .shadow-sm-custom {
            box-shadow: var(--shadow-sm);
        }
        .gap-row {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .kpi-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .category-hero h1 {
                font-size: 2rem;
            }
            .schedule-table thead th,
            .schedule-table tbody td {
                padding: 10px 10px;
                font-size: 0.8rem;
            }
        }

        @media (max-width: 768px) {
            .top-bar {
                display: none;
            }
            .nav-links {
                gap: 2px;
            }
            .nav-links a {
                padding: 7px 12px;
                font-size: 0.82rem;
            }
            .header-brand {
                font-size: 1.15rem;
            }
            .btn-nav-cta {
                padding: 7px 12px;
                font-size: 0.78rem;
                gap: 4px;
            }
            .category-hero {
                padding: 44px 0;
                min-height: 200px;
            }
            .category-hero h1 {
                font-size: 1.6rem;
            }
            .category-hero p {
                font-size: 0.9rem;
            }
            .category-hero-stats {
                gap: 12px;
            }
            .kpi-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .kpi-card {
                padding: 14px 16px;
            }
            .kpi-card-value {
                font-size: 1.5rem;
            }
            .schedule-table-wrap {
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
            }
            .schedule-table {
                min-width: 600px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-brand-desc {
                max-width: 100%;
            }
            .section {
                padding: 36px 0;
            }
            .section-lg {
                padding: 44px 0;
            }
            .header-actions .btn-nav-cta span {
                display: none;
            }
            .header-actions .btn-nav-cta i {
                margin: 0;
            }
            .hot-rank-item {
                padding: 10px 12px;
                gap: 10px;
            }
            .hot-rank-num {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 12px;
                padding-right: 12px;
            }
            .main-header .container {
                padding-top: 8px;
                padding-bottom: 8px;
                gap: 8px;
            }
            .nav-links a {
                padding: 6px 9px;
                font-size: 0.76rem;
            }
            .header-brand {
                font-size: 1rem;
            }
            .header-actions {
                gap: 4px;
            }
            .btn-nav-cta {
                padding: 6px 9px;
                font-size: 0.72rem;
            }
            .category-hero {
                padding: 32px 0;
                min-height: 160px;
            }
            .category-hero h1 {
                font-size: 1.35rem;
            }
            .kpi-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .kpi-card-value {
                font-size: 1.3rem;
            }
            .kpi-card-label {
                font-size: 0.72rem;
            }
            .live-card-matchup {
                font-size: 0.95rem;
            }
            .live-card-score {
                font-size: 1.3rem;
            }
            .cta-section h2 {
                font-size: 1.3rem;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .hot-rank-title {
                font-size: 0.8rem;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                font-size: 0.72rem;
            }
        }

/* roulang page: article */
:root {
            --color-primary: #1B3A5C;
            --color-primary-light: #264D73;
            --color-accent: #2C7A7B;
            --color-accent-light: #3B9C9D;
            --color-accent-muted: #E8F4F4;
            --color-bg: #F5F6F9;
            --color-surface: #FFFFFF;
            --color-text: #1A202C;
            --color-text-secondary: #4A5568;
            --color-text-muted: #718096;
            --color-text-light: #A0AEC0;
            --color-border: #E2E8F0;
            --color-border-light: #EDF2F7;
            --color-success: #38A169;
            --color-warning: #D69E2E;
            --color-danger: #E53E3E;
            --color-tag-bg: #EBF4F5;
            --color-tag-text: #1B5C5D;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-xs: 0 1px 3px rgba(0,0,0,0.04);
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.05);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.07);
            --shadow-lg: 0 8px 32px rgba(0,0,0,0.09);
            --shadow-xl: 0 16px 48px rgba(0,0,0,0.11);
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
            --font-mono: "SF Mono", "Fira Code", "Consolas", monospace;
            --transition-fast: 0.15s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.35s ease;
            --max-width: 1200px;
            --max-width-article: 780px;
            --nav-height: 64px;
            --topbar-height: 34px;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

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

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

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

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .container-narrow {
            max-width: 860px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== TOP BAR ========== */
        .topbar {
            background-color: var(--color-primary);
            color: rgba(255,255,255,0.9);
            font-size: 13px;
            height: var(--topbar-height);
            line-height: var(--topbar-height);
            display: flex;
            align-items: center;
            z-index: 1001;
            position: relative;
        }
        .topbar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }
        .topbar-left {
            display: flex;
            align-items: center;
            gap: 18px;
            white-space: nowrap;
        }
        .topbar-left span {
            display: flex;
            align-items: center;
            gap: 5px;
        }
        .topbar-left .dot-live {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #48BB78;
            animation: pulse-dot 1.8s infinite;
            display: inline-block;
            flex-shrink: 0;
        }
        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.5); }
        }
        .topbar-right {
            display: flex;
            align-items: center;
            gap: 16px;
            white-space: nowrap;
        }
        .topbar-right a {
            color: rgba(255,255,255,0.85);
            font-size: 13px;
            transition: color var(--transition-fast);
        }
        .topbar-right a:hover {
            color: #fff;
        }

        /* ========== HEADER / NAV ========== */
        .header {
            background: var(--color-surface);
            border-bottom: 1px solid var(--color-border-light);
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--nav-height);
            box-shadow: var(--shadow-xs);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            gap: 24px;
        }
        .logo {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
            flex-shrink: 0;
            transition: color var(--transition-fast);
        }
        .logo:hover {
            color: var(--color-accent);
        }
        .logo-icon {
            display: inline-block;
            width: 34px;
            height: 34px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
            border-radius: var(--radius-sm);
            margin-right: 8px;
            vertical-align: middle;
            position: relative;
        }
        .logo-icon::after {
            content: '';
            position: absolute;
            inset: 4px;
            border-radius: 3px;
            border: 2px solid rgba(255,255,255,0.7);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .nav-links a:hover {
            color: var(--color-primary);
            background: var(--color-accent-muted);
        }
        .nav-links a.active {
            color: var(--color-accent);
            background: var(--color-accent-muted);
            font-weight: 600;
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 18px;
            right: 18px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 2px 2px 0 0;
        }
        .mobile-menu-btn {
            display: none;
            width: 40px;
            height: 40px;
            background: transparent;
            border-radius: var(--radius-sm);
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            padding: 0;
            cursor: pointer;
            transition: background var(--transition-fast);
        }
        .mobile-menu-btn:hover {
            background: var(--color-accent-muted);
        }
        .mobile-menu-btn span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--color-text);
            border-radius: 2px;
            transition: all var(--transition-base);
        }
        .mobile-menu-btn.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .mobile-menu-btn.open span:nth-child(2) {
            opacity: 0;
        }
        .mobile-menu-btn.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ========== MOBILE NAV DRAWER ========== */
        .mobile-nav-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0,0,0,0.45);
            z-index: 999;
            opacity: 0;
            transition: opacity var(--transition-base);
        }
        .mobile-nav-overlay.show {
            opacity: 1;
        }
        .mobile-nav-drawer {
            display: none;
            position: fixed;
            top: 0;
            right: -300px;
            width: 280px;
            height: 100vh;
            background: var(--color-surface);
            z-index: 1000;
            padding: 80px 24px 24px;
            transition: right var(--transition-slow);
            box-shadow: var(--shadow-xl);
            overflow-y: auto;
        }
        .mobile-nav-drawer.open {
            right: 0;
        }
        .mobile-nav-drawer a {
            display: block;
            padding: 14px 16px;
            font-size: 16px;
            font-weight: 500;
            color: var(--color-text-secondary);
            border-radius: var(--radius-sm);
            margin-bottom: 4px;
            transition: all var(--transition-fast);
        }
        .mobile-nav-drawer a:hover,
        .mobile-nav-drawer a.active {
            color: var(--color-accent);
            background: var(--color-accent-muted);
            font-weight: 600;
        }

        /* ========== ARTICLE BANNER ========== */
        .article-banner {
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            position: relative;
            padding: 48px 0;
            min-height: 180px;
            display: flex;
            align-items: center;
        }
        .article-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(27,58,92,0.85) 0%, rgba(27,58,92,0.6) 50%, rgba(44,122,123,0.5) 100%);
        }
        .article-banner .container {
            position: relative;
            z-index: 1;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            font-size: 14px;
            color: rgba(255,255,255,0.85);
        }
        .breadcrumb a {
            color: rgba(255,255,255,0.9);
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: #fff;
        }
        .breadcrumb .sep {
            display: inline-block;
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: rgba(255,255,255,0.5);
            flex-shrink: 0;
        }
        .breadcrumb .current {
            color: #fff;
            font-weight: 500;
        }

        /* ========== MAIN LAYOUT ========== */
        .main-content {
            flex: 1;
            padding: 40px 0 60px;
        }
        .content-layout {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 36px;
            align-items: start;
        }
        .article-main {
            min-width: 0;
        }
        .article-sidebar {
            position: sticky;
            top: calc(var(--nav-height) + 28px);
        }

        /* ========== ARTICLE CARD ========== */
        .article-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
        }
        .article-cover-wrap {
            position: relative;
            overflow: hidden;
            background: #e9ecef;
            max-height: 420px;
        }
        .article-cover-wrap img {
            width: 100%;
            height: auto;
            object-fit: cover;
            display: block;
        }
        .article-cover-wrap .cover-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: linear-gradient(to top, rgba(0,0,0,0.25), transparent);
            pointer-events: none;
        }
        .article-body {
            padding: 32px 36px 40px;
        }
        .article-meta-row {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 16px;
        }
        .article-category-tag {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            background: var(--color-tag-bg);
            color: var(--color-tag-text);
            font-size: 13px;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: 20px;
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .article-date {
            font-size: 13px;
            color: var(--color-text-muted);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .article-stats {
            display: flex;
            gap: 16px;
            margin-left: auto;
            font-size: 13px;
            color: var(--color-text-muted);
        }
        .article-stats .stat-item {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .article-stats .stat-num {
            font-weight: 600;
            color: var(--color-text-secondary);
            font-variant-numeric: tabular-nums;
            font-family: var(--font-mono);
        }
        .article-title-h1 {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--color-text);
            margin-bottom: 20px;
            letter-spacing: 0.01em;
        }
        .article-divider {
            border: none;
            border-top: 1px solid var(--color-border-light);
            margin: 20px 0 24px;
        }
        .article-content {
            font-size: 16px;
            line-height: 1.85;
            color: var(--color-text-secondary);
            word-break: break-word;
        }
        .article-content h2 {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-text);
            margin: 32px 0 14px;
            line-height: 1.4;
        }
        .article-content h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--color-text);
            margin: 24px 0 10px;
            line-height: 1.4;
        }
        .article-content p {
            margin-bottom: 16px;
        }
        .article-content ul, .article-content ol {
            margin: 12px 0 16px 20px;
        }
        .article-content li {
            margin-bottom: 8px;
        }
        .article-content blockquote {
            border-left: 3px solid var(--color-accent);
            background: var(--color-accent-muted);
            margin: 20px 0;
            padding: 14px 18px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--color-text-secondary);
            font-style: italic;
        }
        .article-content img {
            border-radius: var(--radius-md);
            margin: 20px 0;
            max-width: 100%;
        }
        .article-content a {
            color: var(--color-accent);
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .article-content a:hover {
            color: var(--color-accent-light);
        }
        .article-content strong {
            color: var(--color-text);
        }
        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0;
            font-size: 14px;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            overflow: hidden;
        }
        .article-content th {
            background: var(--color-primary);
            color: #fff;
            padding: 10px 14px;
            text-align: left;
            font-weight: 600;
            font-size: 13px;
        }
        .article-content td {
            padding: 9px 14px;
            border-bottom: 1px solid var(--color-border-light);
            color: var(--color-text-secondary);
        }
        .article-content tr:last-child td {
            border-bottom: none;
        }
        .article-content tr:nth-child(even) td {
            background: #fafbfc;
        }

        /* ========== SIDEBAR ========== */
        .sidebar-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 24px;
            border: 1px solid var(--color-border-light);
            margin-bottom: 20px;
        }
        .sidebar-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--color-accent-muted);
            letter-spacing: 0.01em;
        }
        .sidebar-post-list {
            list-style: none;
        }
        .sidebar-post-list li {
            padding: 10px 0;
            border-bottom: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
        }
        .sidebar-post-list li:last-child {
            border-bottom: none;
        }
        .sidebar-post-list a {
            display: block;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-secondary);
            line-height: 1.5;
            transition: color var(--transition-fast);
        }
        .sidebar-post-list a:hover {
            color: var(--color-accent);
        }
        .sidebar-post-list .post-date {
            font-size: 12px;
            color: var(--color-text-light);
            margin-top: 3px;
        }
        .sidebar-kpi-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
            margin-top: 8px;
        }
        .sidebar-kpi {
            background: var(--color-accent-muted);
            border-radius: var(--radius-sm);
            padding: 14px 12px;
            text-align: center;
            border: 1px solid transparent;
            transition: border-color var(--transition-fast);
        }
        .sidebar-kpi:hover {
            border-color: var(--color-accent);
        }
        .sidebar-kpi .kpi-num {
            font-size: 24px;
            font-weight: 700;
            color: var(--color-primary);
            font-variant-numeric: tabular-nums;
            font-family: var(--font-mono);
        }
        .sidebar-kpi .kpi-label {
            font-size: 12px;
            color: var(--color-text-muted);
            margin-top: 2px;
        }
        .sidebar-cta-box {
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            text-align: center;
            color: #fff;
        }
        .sidebar-cta-box h3 {
            color: #fff;
            border-bottom-color: rgba(255,255,255,0.25);
            font-size: 16px;
        }
        .sidebar-cta-box p {
            font-size: 13px;
            color: rgba(255,255,255,0.85);
            margin-bottom: 14px;
            line-height: 1.6;
        }
        .sidebar-cta-box .btn-cta-side {
            display: inline-block;
            background: #fff;
            color: var(--color-primary);
            padding: 9px 20px;
            border-radius: 20px;
            font-weight: 600;
            font-size: 14px;
            transition: all var(--transition-fast);
        }
        .sidebar-cta-box .btn-cta-side:hover {
            background: var(--color-accent-muted);
            color: var(--color-accent);
            box-shadow: 0 4px 14px rgba(0,0,0,0.15);
        }

        /* ========== RELATED POSTS ========== */
        .related-section {
            margin-top: 48px;
        }
        .related-section h2 {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 24px;
            padding-left: 14px;
            border-left: 4px solid var(--color-accent);
            letter-spacing: 0.01em;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .related-card {
            background: var(--color-surface);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--color-accent);
        }
        .related-card-img {
            height: 140px;
            background-size: cover;
            background-position: center;
            position: relative;
            overflow: hidden;
            flex-shrink: 0;
        }
        .related-card-img .related-tag {
            position: absolute;
            top: 10px;
            left: 10px;
            background: var(--color-accent);
            color: #fff;
            font-size: 11px;
            font-weight: 600;
            padding: 3px 9px;
            border-radius: 12px;
            letter-spacing: 0.03em;
        }
        .related-card-body {
            padding: 14px 16px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .related-card-body h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text);
            line-height: 1.5;
            margin-bottom: 8px;
            flex: 1;
        }
        .related-card-body h4 a {
            color: inherit;
            transition: color var(--transition-fast);
        }
        .related-card-body h4 a:hover {
            color: var(--color-accent);
        }
        .related-card-body .related-date {
            font-size: 12px;
            color: var(--color-text-light);
        }

        /* ========== NOT FOUND STATE ========== */
        .not-found-card {
            text-align: center;
            padding: 60px 30px;
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
        }
        .not-found-icon {
            font-size: 56px;
            margin-bottom: 16px;
            opacity: 0.6;
        }
        .not-found-card h2 {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 10px;
        }
        .not-found-card p {
            color: var(--color-text-muted);
            margin-bottom: 24px;
        }
        .btn-back {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--color-accent);
            color: #fff;
            padding: 11px 24px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 14px;
            transition: all var(--transition-fast);
        }
        .btn-back:hover {
            background: var(--color-accent-light);
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }

        /* ========== FOOTER ========== */
        .footer {
            background: var(--color-primary);
            color: rgba(255,255,255,0.8);
            padding: 50px 0 0;
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255,255,255,0.12);
        }
        .footer-brand {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }
        .footer-brand-desc {
            font-size: 13px;
            line-height: 1.7;
            color: rgba(255,255,255,0.65);
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }
        .footer-col a {
            display: block;
            font-size: 13px;
            color: rgba(255,255,255,0.7);
            padding: 5px 0;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: #fff;
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding: 16px 0;
            font-size: 12px;
            color: rgba(255,255,255,0.5);
        }
        .footer-bottom a {
            color: rgba(255,255,255,0.6);
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: rgba(255,255,255,0.9);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .content-layout {
                grid-template-columns: 1fr 280px;
                gap: 24px;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .article-body {
                padding: 24px 20px 32px;
            }
            .article-title-h1 {
                font-size: 24px;
            }
        }

        @media (max-width: 768px) {
            .topbar {
                display: none;
            }
            .content-layout {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .article-sidebar {
                position: static;
                top: auto;
            }
            .nav-links {
                display: none;
            }
            .mobile-menu-btn {
                display: flex;
            }
            .mobile-nav-overlay {
                display: block;
                pointer-events: none;
            }
            .mobile-nav-overlay.show {
                pointer-events: auto;
            }
            .mobile-nav-drawer {
                display: block;
            }
            .article-banner {
                min-height: 140px;
                padding: 32px 0;
            }
            .article-body {
                padding: 20px 16px 28px;
            }
            .article-title-h1 {
                font-size: 21px;
            }
            .article-content {
                font-size: 15px;
                line-height: 1.75;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .related-card-img {
                height: 110px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .article-stats {
                margin-left: 0;
                margin-top: 6px;
            }
            .article-meta-row {
                gap: 10px;
            }
            .container {
                padding: 0 16px;
            }
            .container-narrow {
                padding: 0 16px;
            }
            .sidebar-kpi-row {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 520px) {
            .article-banner {
                min-height: 120px;
                padding: 24px 0;
            }
            .breadcrumb {
                font-size: 12px;
                gap: 5px;
            }
            .article-body {
                padding: 16px 12px 24px;
            }
            .article-title-h1 {
                font-size: 19px;
            }
            .article-content h2 {
                font-size: 18px;
            }
            .article-content h3 {
                font-size: 16px;
            }
            .related-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .related-card {
                flex-direction: row;
            }
            .related-card-img {
                width: 100px;
                height: auto;
                min-height: 80px;
                flex-shrink: 0;
            }
            .related-card-body {
                padding: 10px 12px;
            }
            .sidebar-kpi-row {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .sidebar-kpi .kpi-num {
                font-size: 20px;
            }
            .logo {
                font-size: 18px;
            }
            .logo-icon {
                width: 28px;
                height: 28px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #1a6b5a;
            --primary-hover: #145547;
            --primary-light: #e8f5f1;
            --primary-soft: #f0f9f6;
            --accent: #2c9d82;
            --accent-light: #d4f0e8;
            --bg: #f8fafb;
            --surface: #ffffff;
            --surface-alt: #f1f5f6;
            --text: #1a1d23;
            --text-secondary: #5a6070;
            --text-muted: #88909e;
            --text-weak: #a8b0bd;
            --border: #e2e7ec;
            --border-light: #eef1f5;
            --border-subtle: #f2f5f7;
            --radius-sm: 6px;
            --radius: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow: 0 2px 8px rgba(0, 0, 0, 0.06), 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 8px 28px rgba(0, 0, 0, 0.1), 0 3px 10px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 12px 40px rgba(0, 0, 0, 0.12), 0 4px 14px rgba(0, 0, 0, 0.06);
            --transition-fast: 0.15s ease;
            --transition: 0.25s ease;
            --transition-slow: 0.35s ease;
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --container-max: 1240px;
            --container-narrow: 1080px;
            --section-gap: 72px;
            --section-gap-sm: 48px;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.7;
            color: var(--text);
            background-color: var(--bg);
            min-height: 100vh;
        }

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

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

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

        input,
        select {
            font-family: inherit;
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        .container-narrow {
            max-width: var(--container-narrow);
        }

        /* ========== 顶部信息条 ========== */
        .top-bar {
            background: #1a1d23;
            color: #bcc2cc;
            font-size: 13px;
            padding: 8px 0;
            letter-spacing: 0.02em;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .top-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }
        .top-bar-msg {
            display: flex;
            align-items: center;
            gap: 8px;
            color: #c8ced8;
        }
        .top-bar-msg .dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: #3dd68c;
            animation: pulse-dot 2s infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                box-shadow: 0 0 0 0 rgba(61, 214, 140, 0.5);
            }
            50% {
                opacity: 0.7;
                box-shadow: 0 0 0 6px rgba(61, 214, 140, 0);
            }
        }
        .top-bar-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .top-bar-actions a {
            color: #bcc2cc;
            font-size: 13px;
            transition: color var(--transition-fast);
        }
        .top-bar-actions a:hover {
            color: #ffffff;
        }
        .top-bar-actions .sep {
            color: #444a55;
        }
        .top-bar-actions .btn-top {
            background: var(--primary);
            color: #fff;
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            transition: background var(--transition-fast), transform var(--transition-fast);
            letter-spacing: 0.03em;
        }
        .top-bar-actions .btn-top:hover {
            background: var(--primary-hover);
            transform: translateY(-1px);
            color: #fff;
        }

        /* ========== 主导航 ========== */
        .header {
            background: var(--surface);
            border-bottom: 1px solid var(--border-light);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: var(--shadow-sm);
        }
        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 0;
            padding-bottom: 0;
            height: 62px;
        }
        .logo {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.04em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .logo-icon {
            width: 34px;
            height: 34px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--primary), var(--accent));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            font-weight: 800;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: 24px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: var(--primary);
            background: var(--primary-soft);
        }
        .nav-links a.active {
            color: #fff;
            background: var(--primary);
            font-weight: 600;
            box-shadow: 0 2px 8px rgba(26, 107, 90, 0.3);
        }
        .nav-search {
            display: flex;
            align-items: center;
            gap: 0;
            background: var(--surface-alt);
            border-radius: 24px;
            padding: 0 6px 0 16px;
            border: 1px solid var(--border-light);
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        .nav-search:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(26, 107, 90, 0.08);
        }
        .nav-search input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 14px;
            color: var(--text);
            width: 160px;
            padding: 8px 0;
        }
        .nav-search input::placeholder {
            color: var(--text-weak);
        }
        .nav-search button {
            background: var(--primary);
            border: none;
            color: #fff;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            transition: background var(--transition-fast);
            flex-shrink: 0;
        }
        .nav-search button:hover {
            background: var(--primary-hover);
        }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--text);
            padding: 6px;
        }

        /* ========== 面包屑 ========== */
        .breadcrumb-bar {
            background: var(--surface);
            border-bottom: 1px solid var(--border-subtle);
            padding: 12px 0;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .sep {
            color: var(--text-weak);
        }
        .breadcrumb .current {
            color: var(--text);
            font-weight: 600;
        }

        /* ========== 分类Banner ========== */
        .category-banner {
            position: relative;
            background: linear-gradient(135deg, #1a3c34 0%, #1a5c4d 40%, #1a6b5a 100%);
            padding: 60px 0 64px;
            overflow: hidden;
            color: #fff;
        }
        .category-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.25;
            z-index: 0;
        }
        .category-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(26, 60, 52, 0.3) 0%, rgba(26, 107, 90, 0.65) 100%);
            z-index: 0;
        }
        .category-banner .container {
            position: relative;
            z-index: 1;
        }
        .category-banner-content {
            display: flex;
            align-items: center;
            gap: 40px;
            flex-wrap: wrap;
        }
        .category-banner-text {
            flex: 1;
            min-width: 280px;
        }
        .category-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.18);
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: #fff;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 16px;
            backdrop-filter: blur(4px);
        }
        .category-banner h1 {
            font-size: 42px;
            font-weight: 800;
            letter-spacing: 0.02em;
            line-height: 1.2;
            margin-bottom: 12px;
        }
        .category-banner p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
            max-width: 560px;
        }
        .category-stats-row {
            display: flex;
            gap: 32px;
            margin-top: 20px;
            flex-wrap: wrap;
        }
        .category-stat-item {
            text-align: center;
        }
        .category-stat-item .stat-num {
            font-size: 30px;
            font-weight: 800;
            letter-spacing: 0.03em;
            color: #fff;
            line-height: 1;
        }
        .category-stat-item .stat-label {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
            letter-spacing: 0.04em;
        }
        .category-banner-visual {
            flex-shrink: 0;
            width: 280px;
            height: 200px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-xl);
            border: 2px solid rgba(255, 255, 255, 0.25);
        }
        .category-banner-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* ========== 主内容区 ========== */
        .main-content {
            padding: var(--section-gap) 0;
        }
        .main-content .container {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 40px;
            align-items: start;
        }

        /* ========== 筛选标签 ========== */
        .filter-bar {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 28px;
            padding-bottom: 20px;
            border-bottom: 1px solid var(--border-light);
        }
        .filter-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            margin-right: 4px;
            white-space: nowrap;
        }
        .filter-tag {
            display: inline-flex;
            align-items: center;
            padding: 7px 16px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--surface);
            border: 1px solid var(--border);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .filter-tag:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-soft);
        }
        .filter-tag.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            font-weight: 600;
        }

        /* ========== 资讯卡片网格 ========== */
        .articles-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .article-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .article-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--border);
        }
        .article-card-img {
            position: relative;
            height: 200px;
            overflow: hidden;
            background: var(--surface-alt);
        }
        .article-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .article-card:hover .article-card-img img {
            transform: scale(1.04);
        }
        .article-card-img .card-category-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--primary);
            color: #fff;
            padding: 4px 12px;
            border-radius: 14px;
            font-size: 11px;
            font-weight: 600;
            letter-spacing: 0.03em;
            z-index: 1;
        }
        .article-card-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .article-card-body h3 {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--text);
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color var(--transition-fast);
        }
        .article-card:hover .article-card-body h3 {
            color: var(--primary);
        }
        .article-card-body .card-excerpt {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
            margin-bottom: 12px;
        }
        .article-card-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 12px;
            color: var(--text-weak);
            padding-top: 12px;
            border-top: 1px solid var(--border-subtle);
        }
        .article-card-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .article-card-meta .meta-icon {
            font-size: 13px;
        }

        /* ========== 精选大卡片 ========== */
        .featured-article {
            grid-column: 1 / -1;
            background: var(--surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-light);
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            transition: all var(--transition);
            margin-bottom: 4px;
        }
        .featured-article:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .featured-article-img {
            height: 280px;
            overflow: hidden;
            background: var(--surface-alt);
        }
        .featured-article-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .featured-article:hover .featured-article-img img {
            transform: scale(1.03);
        }
        .featured-article-body {
            padding: 28px 28px 24px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .featured-article-body .featured-badge {
            display: inline-block;
            background: #fef3c7;
            color: #b45309;
            padding: 4px 10px;
            border-radius: 12px;
            font-size: 11px;
            font-weight: 700;
            letter-spacing: 0.04em;
            margin-bottom: 10px;
            width: fit-content;
        }
        .featured-article-body h2 {
            font-size: 22px;
            font-weight: 800;
            line-height: 1.35;
            color: var(--text);
            margin-bottom: 8px;
            transition: color var(--transition-fast);
        }
        .featured-article:hover .featured-article-body h2 {
            color: var(--primary);
        }
        .featured-article-body .featured-excerpt {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .featured-article-body .featured-meta {
            font-size: 12px;
            color: var(--text-weak);
            display: flex;
            gap: 16px;
            align-items: center;
        }

        /* ========== 侧边栏 ========== */
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
            position: sticky;
            top: 80px;
        }
        .sidebar-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            padding: 20px 22px;
        }
        .sidebar-card h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--primary-light);
            letter-spacing: 0.02em;
        }
        .hot-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .hot-list li {
            border-bottom: 1px solid var(--border-subtle);
        }
        .hot-list li:last-child {
            border-bottom: none;
        }
        .hot-list a {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 10px 0;
            transition: all var(--transition-fast);
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.5;
        }
        .hot-list a:hover {
            color: var(--primary);
        }
        .hot-list .rank {
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: var(--surface-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 11px;
            font-weight: 700;
            color: var(--text-muted);
            flex-shrink: 0;
        }
        .hot-list li:nth-child(1) .rank {
            background: #e74c3c;
            color: #fff;
        }
        .hot-list li:nth-child(2) .rank {
            background: #f39c12;
            color: #fff;
        }
        .hot-list li:nth-child(3) .rank {
            background: #2c9d82;
            color: #fff;
        }
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .tag-cloud a {
            display: inline-block;
            padding: 5px 14px;
            border-radius: 16px;
            font-size: 12px;
            color: var(--text-secondary);
            background: var(--surface-alt);
            border: 1px solid var(--border-light);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .tag-cloud a:hover {
            background: var(--primary-soft);
            color: var(--primary);
            border-color: var(--primary);
        }
        .subscribe-box {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            border-radius: var(--radius-lg);
            padding: 24px 22px;
            text-align: center;
        }
        .subscribe-box h4 {
            color: #fff;
            border-bottom-color: rgba(255, 255, 255, 0.2);
            margin-bottom: 12px;
            padding-bottom: 12px;
        }
        .subscribe-box p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 16px;
            line-height: 1.6;
        }
        .subscribe-box input {
            width: 100%;
            padding: 10px 14px;
            border-radius: 20px;
            border: 1px solid rgba(255, 255, 255, 0.3);
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            font-size: 13px;
            outline: none;
            margin-bottom: 10px;
            transition: border-color var(--transition-fast);
        }
        .subscribe-box input::placeholder {
            color: rgba(255, 255, 255, 0.55);
        }
        .subscribe-box input:focus {
            border-color: #fff;
        }
        .subscribe-box button {
            width: 100%;
            padding: 10px;
            border-radius: 20px;
            border: none;
            background: #fff;
            color: var(--primary);
            font-weight: 700;
            font-size: 14px;
            cursor: pointer;
            transition: all var(--transition-fast);
            letter-spacing: 0.03em;
        }
        .subscribe-box button:hover {
            background: #e8f5f1;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
        }

        /* ========== KPI数据区 ========== */
        .kpi-section {
            background: var(--surface);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
            padding: 44px 0;
        }
        .kpi-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }
        .kpi-item {
            padding: 16px;
        }
        .kpi-item .kpi-value {
            font-size: 36px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.03em;
            line-height: 1;
        }
        .kpi-item .kpi-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 6px;
            letter-spacing: 0.03em;
        }
        .kpi-item .kpi-sub {
            font-size: 11px;
            color: var(--text-weak);
            margin-top: 3px;
        }

        /* ========== 分页 ========== */
        .pagination {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            margin-top: 36px;
            padding-top: 24px;
            border-top: 1px solid var(--border-light);
        }
        .pagination a,
        .pagination span {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            font-size: 14px;
            font-weight: 500;
            transition: all var(--transition-fast);
        }
        .pagination a {
            color: var(--text-secondary);
            background: var(--surface);
            border: 1px solid var(--border-light);
        }
        .pagination a:hover {
            background: var(--primary-soft);
            color: var(--primary);
            border-color: var(--primary);
        }
        .pagination .current {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            font-weight: 700;
        }
        .pagination .dots {
            color: var(--text-weak);
            border: none;
            background: transparent;
        }
        .pagination .prev-next {
            width: auto;
            padding: 0 16px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
        }

        /* ========== FAQ区 ========== */
        .faq-section {
            padding: var(--section-gap) 0;
            background: var(--surface);
        }
        .section-header {
            text-align: center;
            margin-bottom: 40px;
        }
        .section-header h2 {
            font-size: 28px;
            font-weight: 800;
            color: var(--text);
            letter-spacing: 0.02em;
            margin-bottom: 8px;
        }
        .section-header p {
            font-size: 15px;
            color: var(--text-muted);
        }
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .faq-item {
            background: var(--bg);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--border);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            padding: 16px 20px;
            font-weight: 600;
            font-size: 15px;
            color: var(--text);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            user-select: none;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question .faq-arrow {
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: var(--surface);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            color: var(--text-muted);
            transition: all var(--transition-fast);
            flex-shrink: 0;
            border: 1px solid var(--border-light);
        }
        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .faq-answer {
            padding: 0 20px 16px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }

        /* ========== CTA区 ========== */
        .cta-section {
            padding: var(--section-gap) 0;
            background: linear-gradient(135deg, #1a3c34 0%, #1a5c4d 50%, #1a6b5a 100%);
            color: #fff;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            opacity: 0.2;
            z-index: 0;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: 30px;
            font-weight: 800;
            letter-spacing: 0.02em;
            margin-bottom: 10px;
        }
        .cta-section p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 24px;
            max-width: 520px;
            margin-left: auto;
            margin-right: auto;
        }
        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 32px;
            background: #fff;
            color: var(--primary);
            font-weight: 700;
            font-size: 15px;
            border-radius: 28px;
            letter-spacing: 0.03em;
            transition: all var(--transition);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
            border: none;
            cursor: pointer;
        }
        .btn-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.3);
            background: #e8f5f1;
        }
        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 14px;
            border-radius: 28px;
            letter-spacing: 0.03em;
            transition: all var(--transition);
            border: 2px solid rgba(255, 255, 255, 0.5);
            cursor: pointer;
            margin-left: 12px;
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
        }

        /* ========== 页脚 ========== */
        .footer {
            background: #1a1d23;
            color: #bcc2cc;
            padding: 52px 0 28px;
            font-size: 14px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }
        .footer-brand {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: 0.04em;
        }
        .footer-brand-desc {
            color: #88909e;
            line-height: 1.7;
            font-size: 13px;
            max-width: 280px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }
        .footer-col a {
            display: block;
            color: #88909e;
            font-size: 13px;
            padding: 5px 0;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: #fff;
        }
        .footer-bottom {
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12px;
            color: #6b7280;
        }
        .footer-bottom a {
            color: #88909e;
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: #fff;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .main-content .container {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .sidebar {
                position: static;
                display: grid;
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .sidebar .subscribe-box {
                grid-column: 1 / -1;
            }
            .category-banner h1 {
                font-size: 34px;
            }
            .category-banner-visual {
                width: 220px;
                height: 160px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .nav-search input {
                width: 120px;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 62px;
                left: 0;
                right: 0;
                background: var(--surface);
                flex-direction: column;
                padding: 12px 20px 20px;
                border-bottom: 1px solid var(--border-light);
                box-shadow: var(--shadow-md);
                z-index: 99;
                gap: 2px;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                padding: 10px 16px;
                border-radius: var(--radius-sm);
                font-size: 15px;
            }
            .mobile-menu-btn {
                display: block;
            }
            .nav-search {
                display: none;
            }
            .articles-grid {
                grid-template-columns: 1fr;
            }
            .featured-article {
                grid-template-columns: 1fr;
            }
            .featured-article-img {
                height: 200px;
            }
            .category-banner-content {
                flex-direction: column;
                text-align: center;
            }
            .category-banner h1 {
                font-size: 28px;
            }
            .category-banner p {
                max-width: 100%;
            }
            .category-stats-row {
                justify-content: center;
            }
            .category-banner-visual {
                width: 100%;
                max-width: 300px;
                height: 180px;
            }
            .kpi-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .kpi-item .kpi-value {
                font-size: 28px;
            }
            .sidebar {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .section-header h2 {
                font-size: 24px;
            }
            .cta-section h2 {
                font-size: 24px;
            }
            .btn-outline-light {
                margin-left: 0;
                margin-top: 10px;
            }
            .top-bar .container {
                justify-content: center;
                text-align: center;
            }
            .top-bar-actions {
                justify-content: center;
            }
            .breadcrumb {
                font-size: 12px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .category-banner {
                padding: 40px 0 44px;
            }
            .category-banner h1 {
                font-size: 24px;
            }
            .category-stats-row {
                gap: 18px;
            }
            .category-stat-item .stat-num {
                font-size: 24px;
            }
            .filter-bar {
                gap: 6px;
            }
            .filter-tag {
                padding: 5px 12px;
                font-size: 12px;
            }
            .article-card-body h3 {
                font-size: 15px;
            }
            .featured-article-body h2 {
                font-size: 18px;
            }
            .kpi-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .pagination a,
            .pagination span {
                width: 32px;
                height: 32px;
                font-size: 12px;
            }
            .pagination .prev-next {
                padding: 0 10px;
                font-size: 11px;
            }
            .logo {
                font-size: 17px;
            }
            .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 13px;
            }
        }