/* roulang page: index */
/* ===== Design Variables ===== */
        :root {
            --primary: #1a2a6c;
            --primary-light: #2d4a8e;
            --primary-dark: #0f1a4a;
            --accent: #e8b830;
            --accent-light: #f0d060;
            --accent-dark: #c9a020;
            --bg-body: #f8f9fc;
            --bg-white: #ffffff;
            --bg-card: #ffffff;
            --bg-light: #f0f2f8;
            --bg-dark: #1a2a6c;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a6a;
            --text-light: #8a8aaa;
            --text-white: #ffffff;
            --border: #e4e7f0;
            --border-light: #f0f2f8;
            --shadow-sm: 0 2px 8px rgba(26, 42, 108, 0.06);
            --shadow-md: 0 8px 30px rgba(26, 42, 108, 0.10);
            --shadow-lg: 0 20px 60px rgba(26, 42, 108, 0.15);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --container: 1200px;
            --header-h: 72px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-body);
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: var(--primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--primary-light); }
        button, input, textarea { font-family: inherit; font-size: inherit; outline: none; }
        ul, ol { margin: 0; padding: 0; list-style: none; }
        h1, h2, h3, h4, h5, h6 {
            margin: 0;
            line-height: 1.3;
            font-weight: 700;
            color: var(--text-primary);
        }
        p { margin: 0 0 1em 0; color: var(--text-secondary); }
        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }
        .container-fluid { width: 100%; padding: 0 24px; }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 15px;
            line-height: 1.4;
            border: 2px solid transparent;
            cursor: pointer;
            transition: var(--transition);
            text-align: center;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--primary);
            color: var(--text-white);
            border-color: var(--primary);
        }
        .btn-primary:hover {
            background: var(--primary-light);
            border-color: var(--primary-light);
            color: var(--text-white);
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(26, 42, 108, 0.25);
        }
        .btn-accent {
            background: var(--accent);
            color: var(--primary-dark);
            border-color: var(--accent);
        }
        .btn-accent:hover {
            background: var(--accent-light);
            border-color: var(--accent-light);
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(232, 184, 48, 0.35);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: var(--text-white);
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(26, 42, 108, 0.15);
        }
        .btn-white {
            background: var(--text-white);
            color: var(--primary);
            border-color: var(--text-white);
        }
        .btn-white:hover {
            background: var(--bg-light);
            border-color: var(--bg-light);
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(255,255,255,0.25);
        }
        .btn-sm { padding: 8px 18px; font-size: 13px; border-radius: 6px; }
        .btn-lg { padding: 16px 36px; font-size: 17px; border-radius: var(--radius-md); }
        .btn i { font-size: 1.1em; }

        /* ===== Tags / Badges ===== */
        .tag {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 100px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.3px;
            background: var(--bg-light);
            color: var(--primary);
            transition: var(--transition);
        }
        .tag-accent {
            background: rgba(232, 184, 48, 0.15);
            color: var(--accent-dark);
        }
        .tag-green {
            background: rgba(34, 197, 94, 0.12);
            color: #16a34a;
        }
        .tag-red {
            background: rgba(239, 68, 68, 0.12);
            color: #dc2626;
        }
        .tag-blue {
            background: rgba(59, 130, 246, 0.12);
            color: #2563eb;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 2px 12px;
            border-radius: 100px;
            font-size: 12px;
            font-weight: 600;
            background: var(--accent);
            color: var(--primary-dark);
        }
        .badge i { font-size: 10px; }

        /* ===== Cards ===== */
        .card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: var(--transition);
            overflow: hidden;
        }
        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .card-img {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            display: block;
        }
        .card-body { padding: 20px 24px 24px; }
        .card-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .card-text {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: var(--text-light);
            margin-top: 12px;
            padding-top: 12px;
            border-top: 1px solid var(--border-light);
        }
        .card-meta i { margin-right: 4px; }

        /* ===== Section Spacing ===== */
        .section { padding: 80px 0; }
        .section-sm { padding: 48px 0; }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header h2 {
            font-size: 36px;
            font-weight: 800;
            margin-bottom: 12px;
            color: var(--text-primary);
        }
        .section-header p {
            font-size: 17px;
            color: var(--text-secondary);
            max-width: 680px;
            margin: 0 auto;
        }
        .section-header .tag { margin-bottom: 16px; }

        /* ===== Grid ===== */
        .grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
        .grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 28px; }
        .grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

        /* ===== Header & Navigation ===== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255,255,255,0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            height: var(--header-h);
            transition: var(--transition);
        }
        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.5px;
        }
        .header-logo img { height: 36px; width: auto; }
        .header-logo span { background: linear-gradient(135deg, var(--primary), var(--primary-light)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .header-nav {
            display: flex;
            align-items: center;
            gap: 32px;
        }
        .header-nav a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            position: relative;
            padding: 4px 0;
        }
        .header-nav a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: var(--transition);
        }
        .header-nav a:hover { color: var(--primary); }
        .header-nav a:hover::after { width: 100%; }
        .header-nav a.active { color: var(--primary); font-weight: 600; }
        .header-nav a.active::after { width: 100%; }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .header-search {
            display: flex;
            align-items: center;
            background: var(--bg-light);
            border-radius: 100px;
            padding: 0 16px;
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .header-search:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(26, 42, 108, 0.08);
        }
        .header-search input {
            border: none;
            background: transparent;
            padding: 10px 8px;
            font-size: 14px;
            color: var(--text-primary);
            width: 160px;
        }
        .header-search input::placeholder { color: var(--text-light); }
        .header-search i { color: var(--text-light); font-size: 14px; }
        .menu-toggle { display: none; background: none; border: none; font-size: 24px; color: var(--text-primary); cursor: pointer; padding: 8px; }

        /* ===== Hero ===== */
        .hero {
            margin-top: var(--header-h);
            min-height: 600px;
            display: flex;
            align-items: center;
            position: relative;
            background: var(--primary-dark);
            overflow: hidden;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.25;
            z-index: 0;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15,26,74,0.88) 0%, rgba(26,42,108,0.70) 50%, rgba(45,74,142,0.50) 100%);
            z-index: 1;
        }
        .hero .container {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 80px 24px;
        }
        .hero-tag {
            display: inline-block;
            padding: 6px 20px;
            border-radius: 100px;
            background: rgba(232,184,48,0.20);
            color: var(--accent);
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 20px;
            border: 1px solid rgba(232,184,48,0.25);
        }
        .hero h1 {
            font-size: 56px;
            font-weight: 900;
            color: var(--text-white);
            line-height: 1.15;
            margin-bottom: 16px;
            letter-spacing: -1px;
        }
        .hero h1 .highlight { color: var(--accent); }
        .hero p {
            font-size: 20px;
            color: rgba(255,255,255,0.75);
            max-width: 700px;
            margin: 0 auto 32px;
            line-height: 1.6;
        }
        .hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
        .hero-stats {
            display: flex;
            justify-content: center;
            gap: 48px;
            margin-top: 56px;
            flex-wrap: wrap;
        }
        .hero-stat { text-align: center; }
        .hero-stat-num {
            font-size: 36px;
            font-weight: 800;
            color: var(--text-white);
        }
        .hero-stat-label {
            font-size: 14px;
            color: rgba(255,255,255,0.55);
            margin-top: 4px;
        }

        /* ===== Info Bar ===== */
        .info-bar {
            background: var(--text-white);
            border-bottom: 1px solid var(--border);
            padding: 12px 0;
        }
        .info-bar .container {
            display: flex;
            align-items: center;
            gap: 24px;
            flex-wrap: wrap;
        }
        .info-bar-label {
            display: flex;
            align-items: center;
            gap: 6px;
            font-weight: 700;
            font-size: 14px;
            color: var(--primary);
        }
        .info-bar-label i { color: var(--accent); }
        .info-bar-ticker {
            flex: 1;
            font-size: 14px;
            color: var(--text-secondary);
            overflow: hidden;
            white-space: nowrap;
            text-overflow: ellipsis;
        }
        .info-bar-ticker a { color: var(--text-secondary); }
        .info-bar-ticker a:hover { color: var(--primary); }
        .info-bar-more { font-size: 13px; color: var(--text-light); white-space: nowrap; }

        /* ===== Announcement List Section ===== */
        .announcement-list { background: var(--bg-body); }
        .announcement-card {
            display: flex;
            gap: 24px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 24px 28px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            align-items: flex-start;
        }
        .announcement-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .announcement-card-icon {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            background: var(--bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--primary);
        }
        .announcement-card-content { flex: 1; }
        .announcement-card-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 6px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .announcement-card-title a { color: var(--text-primary); }
        .announcement-card-title a:hover { color: var(--primary); }
        .announcement-card-desc {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .announcement-card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: var(--text-light);
        }
        .announcement-card-meta i { margin-right: 4px; }

        /* ===== Category Cards ===== */
        .category-grid { background: var(--bg-white); }
        .cat-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .cat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-5px);
        }
        .cat-card-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            display: block;
        }
        .cat-card-body { padding: 20px 24px 24px; }
        .cat-card-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .cat-card-title a { color: var(--text-primary); }
        .cat-card-title a:hover { color: var(--primary); }
        .cat-card-text {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 14px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .cat-card-tags { display: flex; gap: 8px; flex-wrap: wrap; }

        /* ===== Feature / Process ===== */
        .feature-grid { background: var(--bg-light); }
        .feature-item {
            text-align: center;
            padding: 32px 20px;
            border-radius: var(--radius-md);
            background: var(--bg-card);
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .feature-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .feature-icon {
            width: 64px;
            height: 64px;
            border-radius: var(--radius-md);
            background: var(--bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 28px;
            color: var(--primary);
        }
        .feature-item h3 { font-size: 18px; margin-bottom: 8px; }
        .feature-item p { font-size: 14px; color: var(--text-secondary); margin: 0; }

        /* ===== Timeline ===== */
        .timeline { background: var(--bg-white); }
        .timeline-list { position: relative; padding-left: 32px; }
        .timeline-list::before {
            content: '';
            position: absolute;
            left: 10px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--border);
        }
        .timeline-item {
            position: relative;
            padding: 0 0 32px 28px;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -26px;
            top: 6px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--primary);
            border: 3px solid var(--bg-white);
            box-shadow: 0 0 0 2px var(--primary);
        }
        .timeline-item:last-child { padding-bottom: 0; }
        .timeline-date {
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-dark);
            margin-bottom: 4px;
        }
        .timeline-title { font-size: 17px; font-weight: 700; margin-bottom: 4px; }
        .timeline-text { font-size: 14px; color: var(--text-secondary); margin: 0; }

        /* ===== FAQ ===== */
        .faq-section { background: var(--bg-light); }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { border-color: var(--primary-light); }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            cursor: pointer;
            font-weight: 600;
            font-size: 16px;
            color: var(--text-primary);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
        }
        .faq-question:hover { color: var(--primary); }
        .faq-question i { font-size: 18px; color: var(--text-light); transition: var(--transition); }
        .faq-item.active .faq-question i { transform: rotate(180deg); color: var(--primary); }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 24px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--primary-dark);
            position: relative;
            overflow: hidden;
        }
        .cta-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.15;
            z-index: 0;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
            text-align: center;
            padding: 80px 24px;
        }
        .cta-section h2 {
            font-size: 38px;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 16px;
        }
        .cta-section p {
            font-size: 18px;
            color: rgba(255,255,255,0.70);
            max-width: 600px;
            margin: 0 auto 32px;
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--primary-dark);
            border-top: 1px solid rgba(255,255,255,0.06);
            padding: 48px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255,255,255,0.06);
            margin-bottom: 24px;
        }
        .footer-brand .header-logo { color: var(--text-white); margin-bottom: 12px; }
        .footer-brand .header-logo span { -webkit-text-fill-color: var(--text-white); background: none; }
        .footer-brand p {
            font-size: 14px;
            color: rgba(255,255,255,0.50);
            max-width: 360px;
            margin: 0;
        }
        .footer h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 16px;
        }
        .footer ul li { margin-bottom: 10px; }
        .footer ul li a {
            font-size: 14px;
            color: rgba(255,255,255,0.55);
            transition: var(--transition);
        }
        .footer ul li a:hover { color: var(--accent); }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(255,255,255,0.35);
        }
        .footer-bottom a { color: rgba(255,255,255,0.35); }
        .footer-bottom a:hover { color: var(--accent); }

        /* ===== Empty State ===== */
        .empty-state {
            text-align: center;
            padding: 60px 24px;
            color: var(--text-light);
        }
        .empty-state i { font-size: 48px; margin-bottom: 16px; opacity: 0.5; }
        .empty-state p { font-size: 16px; margin: 0; color: var(--text-light); }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .grid-4 { grid-template-columns: 1fr 1fr; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .hero h1 { font-size: 42px; }
        }
        @media (max-width: 768px) {
            .header-nav { display: none; }
            .header-nav.mobile-open {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: var(--header-h);
                left: 0;
                right: 0;
                background: var(--bg-white);
                padding: 20px 24px;
                gap: 16px;
                box-shadow: var(--shadow-lg);
                border-bottom: 1px solid var(--border);
            }
            .header-search { display: none; }
            .menu-toggle { display: block; }
            .hero { min-height: 480px; }
            .hero h1 { font-size: 32px; }
            .hero p { font-size: 16px; }
            .hero-stats { gap: 24px; }
            .hero-stat-num { font-size: 28px; }
            .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
            .section { padding: 48px 0; }
            .section-header h2 { font-size: 28px; }
            .section-header { margin-bottom: 32px; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .announcement-card { flex-direction: column; padding: 18px 20px; }
            .announcement-card-icon { width: 40px; height: 40px; font-size: 16px; }
            .timeline-list { padding-left: 20px; }
            .cta-section h2 { font-size: 28px; }
            .info-bar .container { gap: 12px; }
            .info-bar-ticker { white-space: normal; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .hero h1 { font-size: 26px; }
            .hero-actions { flex-direction: column; align-items: center; }
            .btn-lg { padding: 14px 28px; font-size: 15px; }
            .header-logo { font-size: 18px; }
            .section-header h2 { font-size: 24px; }
            .cat-card-body { padding: 16px 18px 20px; }
            .card-body { padding: 16px 18px 20px; }
        }

/* roulang page: article */
/* ===== 设计变量 ===== */
        :root {
            --primary: #1a56db;
            --primary-dark: #1243af;
            --primary-light: #e8f0fe;
            --accent: #f59e0b;
            --accent-dark: #d97706;
            --accent-light: #fef3c7;
            --bg-body: #f8fafc;
            --bg-white: #ffffff;
            --bg-card: #ffffff;
            --bg-dark: #0f172a;
            --text-primary: #0f172a;
            --text-secondary: #475569;
            --text-muted: #94a3b8;
            --text-white: #ffffff;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
            --shadow-lg: 0 12px 40px rgba(0,0,0,0.10);
            --shadow-xl: 0 20px 60px rgba(0,0,0,0.12);
            --transition: 0.25s cubic-bezier(0.4,0,0.2,1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            --container: 1200px;
            --nav-height: 72px;
            --gap: 24px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-body);
        }
        a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
        a:hover { color: var(--primary-dark); }
        img { max-width: 100%; height: auto; display: block; }
        button, input, textarea { font-family: inherit; font-size: inherit; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--text-primary); }

        /* ===== Container ===== */
        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 var(--gap);
        }

        /* ===== Header & Nav ===== */
        .header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            height: var(--nav-height);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 var(--gap);
        }
        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.3px;
            white-space: nowrap;
        }
        .header-logo i { font-size: 26px; color: var(--accent); }
        .header-logo span { background: linear-gradient(135deg, var(--primary), var(--accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .header-nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .header-nav a {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition);
            position: relative;
        }
        .header-nav a:hover { color: var(--primary); background: var(--primary-light); }
        .header-nav a.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
        }
        .header-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 60%;
            height: 3px;
            background: var(--primary);
            border-radius: 3px 3px 0 0;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg-body);
            border: 1px solid var(--border);
            border-radius: 50px;
            padding: 0 16px;
            transition: all var(--transition);
        }
        .search-box:focus-within { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(26,86,219,0.12); }
        .search-box i { color: var(--text-muted); font-size: 14px; }
        .search-box input {
            border: none;
            background: transparent;
            padding: 10px 10px 10px 8px;
            width: 160px;
            outline: none;
            font-size: 14px;
            color: var(--text-primary);
        }
        .search-box input::placeholder { color: var(--text-muted); }
        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            color: #fff;
            border: none;
            border-radius: 50px;
            font-weight: 600;
            font-size: 14px;
            cursor: pointer;
            transition: all var(--transition);
            box-shadow: 0 4px 14px rgba(245,158,11,0.30);
            white-space: nowrap;
        }
        .btn-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(245,158,11,0.40); color: #fff; }
        .btn-cta i { font-size: 14px; }
        .menu-toggle { display: none; background: none; border: none; font-size: 26px; color: var(--text-primary); cursor: pointer; padding: 4px; }

        /* ===== Hero Banner (内页小尺寸) ===== */
        .page-hero {
            position: relative;
            min-height: 300px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            background: linear-gradient(135deg, var(--bg-dark) 0%, #1e293b 100%);
            overflow: hidden;
            padding: 60px 0;
        }
        .page-hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.20;
            pointer-events: none;
        }
        .page-hero .container { position: relative; z-index: 1; }
        .page-hero h1 {
            font-size: 40px;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .page-hero p {
            font-size: 18px;
            color: rgba(255,255,255,0.75);
            max-width: 600px;
            margin: 0 auto;
        }
        .page-hero .breadcrumb {
            margin-top: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255,255,255,0.55);
        }
        .page-hero .breadcrumb a { color: rgba(255,255,255,0.75); }
        .page-hero .breadcrumb a:hover { color: var(--accent); }
        .page-hero .breadcrumb i { font-size: 12px; }

        /* ===== 文章主体 ===== */
        .article-section {
            padding: 60px 0 80px;
        }
        .article-wrapper {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 48px;
            align-items: start;
        }
        .article-main {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            overflow: hidden;
        }
        .article-header {
            padding: 40px 40px 0;
        }
        .article-category {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent-light);
            color: var(--accent-dark);
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 16px;
        }
        .article-header h1 {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: -0.3px;
        }
        .article-meta {
            display: flex;
            align-items: center;
            gap: 20px;
            color: var(--text-muted);
            font-size: 14px;
            padding-bottom: 20px;
            border-bottom: 1px solid var(--border);
            flex-wrap: wrap;
        }
        .article-meta i { margin-right: 6px; font-size: 13px; }
        .article-meta span { display: inline-flex; align-items: center; }
        .article-body {
            padding: 40px;
            font-size: 17px;
            line-height: 1.85;
            color: var(--text-secondary);
        }
        .article-body p { margin-bottom: 20px; }
        .article-body h2 { font-size: 24px; margin: 36px 0 16px; color: var(--text-primary); }
        .article-body h3 { font-size: 20px; margin: 28px 0 12px; color: var(--text-primary); }
        .article-body ul, .article-body ol { margin-bottom: 20px; padding-left: 24px; }
        .article-body li { margin-bottom: 8px; list-style: disc; }
        .article-body ol li { list-style: decimal; }
        .article-body blockquote {
            border-left: 4px solid var(--primary);
            background: var(--primary-light);
            padding: 16px 24px;
            margin: 24px 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-primary);
        }
        .article-body img {
            border-radius: var(--radius-md);
            margin: 24px 0;
            box-shadow: var(--shadow-sm);
        }
        .article-body a { color: var(--primary); text-decoration: underline; }
        .article-body a:hover { color: var(--primary-dark); }
        .article-footer {
            padding: 24px 40px 40px;
            border-top: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
        }
        .article-tags {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .article-tags span {
            background: var(--bg-body);
            color: var(--text-secondary);
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 13px;
            border: 1px solid var(--border);
        }
        .article-share {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .article-share a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--bg-body);
            border: 1px solid var(--border);
            color: var(--text-secondary);
            transition: all var(--transition);
        }
        .article-share a:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

        /* ===== 侧边栏 ===== */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 32px;
        }
        .sidebar-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            padding: 24px;
        }
        .sidebar-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card h3 i { color: var(--accent); }
        .sidebar-list li {
            padding: 10px 0;
            border-bottom: 1px solid var(--border-light);
        }
        .sidebar-list li:last-child { border-bottom: none; }
        .sidebar-list a {
            display: flex;
            flex-direction: column;
            gap: 4px;
            color: var(--text-secondary);
            transition: color var(--transition);
        }
        .sidebar-list a:hover { color: var(--primary); }
        .sidebar-list .post-title { font-weight: 600; font-size: 15px; color: var(--text-primary); }
        .sidebar-list .post-date { font-size: 13px; color: var(--text-muted); }
        .sidebar-cta {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            border-radius: var(--radius-md);
            padding: 28px 24px;
            text-align: center;
        }
        .sidebar-cta h3 { color: #fff; font-size: 20px; margin-bottom: 8px; }
        .sidebar-cta p { color: rgba(255,255,255,0.75); font-size: 14px; margin-bottom: 20px; }
        .sidebar-cta .btn-cta { background: var(--accent); box-shadow: 0 4px 14px rgba(245,158,11,0.35); }
        .sidebar-cta .btn-cta:hover { box-shadow: 0 8px 28px rgba(245,158,11,0.45); }

        /* ===== 相关文章 ===== */
        .related-section {
            padding: 0 0 60px;
        }
        .related-section h2 {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 32px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .related-section h2 i { color: var(--accent); }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--gap);
        }
        .related-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: all var(--transition);
        }
        .related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
        .related-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .related-card-body {
            padding: 20px;
        }
        .related-card-body .tag {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            padding: 2px 12px;
            border-radius: 50px;
            font-size: 12px;
            font-weight: 600;
            margin-bottom: 10px;
        }
        .related-card-body h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .related-card-body h3 a { color: var(--text-primary); }
        .related-card-body h3 a:hover { color: var(--primary); }
        .related-card-body p {
            font-size: 14px;
            color: var(--text-muted);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card-body .meta {
            margin-top: 12px;
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 12px;
        }

        /* ===== 内容未找到 ===== */
        .not-found-box {
            text-align: center;
            padding: 80px 20px;
        }
        .not-found-box i {
            font-size: 64px;
            color: var(--text-muted);
            margin-bottom: 24px;
        }
        .not-found-box h2 {
            font-size: 28px;
            margin-bottom: 12px;
        }
        .not-found-box p {
            color: var(--text-secondary);
            margin-bottom: 24px;
        }
        .not-found-box .btn-cta { display: inline-flex; }

        /* ===== Footer ===== */
        .footer {
            background: var(--bg-dark);
            color: rgba(255,255,255,0.7);
            padding: 60px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }
        .footer-brand .header-logo { color: #fff; margin-bottom: 16px; }
        .footer-brand .header-logo span { -webkit-text-fill-color: #fff; background: none; }
        .footer-brand p { font-size: 14px; line-height: 1.7; max-width: 320px; }
        .footer h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .footer ul li { margin-bottom: 10px; }
        .footer ul a {
            color: rgba(255,255,255,0.55);
            font-size: 14px;
            transition: color var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer ul a:hover { color: var(--accent); }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 0;
            font-size: 13px;
            color: rgba(255,255,255,0.35);
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-bottom a { color: rgba(255,255,255,0.45); }
        .footer-bottom a:hover { color: var(--accent); }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .article-wrapper { grid-template-columns: 1fr; }
            .related-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            :root { --nav-height: 64px; --gap: 16px; }
            .header-nav { display: none; }
            .header-nav.open { display: flex; flex-direction: column; position: absolute; top: var(--nav-height); left: 0; right: 0; background: var(--bg-white); border-bottom: 1px solid var(--border); box-shadow: var(--shadow-md); padding: 16px; gap: 4px; }
            .header-nav.open a { padding: 12px 16px; border-radius: var(--radius-sm); }
            .header-nav.open a.active::after { display: none; }
            .menu-toggle { display: block; }
            .search-box input { width: 100px; }
            .btn-cta span { display: none; }
            .page-hero { min-height: 200px; padding: 40px 0; }
            .page-hero h1 { font-size: 28px; }
            .page-hero p { font-size: 15px; }
            .article-header { padding: 24px 24px 0; }
            .article-header h1 { font-size: 24px; }
            .article-body { padding: 24px; font-size: 16px; }
            .article-footer { padding: 16px 24px 24px; flex-direction: column; align-items: flex-start; }
            .related-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .header-actions .btn-cta { padding: 8px 16px; font-size: 13px; }
            .article-meta { gap: 12px; font-size: 13px; }
        }
        @media (max-width: 520px) {
            .header-logo span { font-size: 18px; }
            .header-logo i { font-size: 20px; }
            .search-box input { width: 70px; }
            .page-hero h1 { font-size: 22px; }
            .article-header h1 { font-size: 20px; }
            .article-body { font-size: 15px; padding: 16px; }
            .sidebar-card { padding: 16px; }
            .related-card img { height: 140px; }
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
    :root {
        --primary: #1e3a5f;
        --primary-light: #2d5a8e;
        --primary-dark: #0f2440;
        --accent: #e8850c;
        --accent-light: #f59e0b;
        --bg: #f5f7fa;
        --bg-card: #ffffff;
        --bg-dark: #0f172a;
        --text: #0f172a;
        --text-secondary: #475569;
        --text-muted: #94a3b8;
        --border: #e2e8f0;
        --border-light: #f1f5f9;
        --radius-sm: 8px;
        --radius: 12px;
        --radius-lg: 20px;
        --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
        --shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
        --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
        --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
        --container: 1200px;
        --header-h: 72px;
    }

    /* ===== Reset & Base ===== */
    *,
    *::before,
    *::after {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }
    html {
        scroll-behavior: smooth;
        -webkit-text-size-adjust: 100%;
    }
    body {
        font-family: var(--font-sans);
        font-size: 16px;
        line-height: 1.6;
        color: var(--text);
        background: var(--bg);
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
    a {
        color: var(--primary);
        text-decoration: none;
        transition: color var(--transition);
    }
    a:hover {
        color: var(--accent);
    }
    img {
        max-width: 100%;
        height: auto;
        display: block;
    }
    button,
    input,
    textarea {
        font-family: inherit;
        font-size: inherit;
        border: none;
        outline: none;
        background: none;
    }
    button {
        cursor: pointer;
    }
    ul,
    ol {
        list-style: none;
    }
    h1,
    h2,
    h3,
    h4,
    h5,
    h6 {
        line-height: 1.25;
        font-weight: 700;
        color: var(--text);
    }
    h1 {
        font-size: 2.5rem;
    }
    h2 {
        font-size: 2rem;
    }
    h3 {
        font-size: 1.5rem;
    }
    h4 {
        font-size: 1.125rem;
    }
    p {
        color: var(--text-secondary);
        margin-bottom: 1rem;
    }
    p:last-child {
        margin-bottom: 0;
    }

    /* ===== 容器 ===== */
    .container {
        max-width: var(--container);
        margin: 0 auto;
        padding: 0 24px;
    }

    /* ===== 头部导航 ===== */
    .header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        height: var(--header-h);
        background: rgba(255, 255, 255, 0.97);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border-bottom: 1px solid var(--border);
        z-index: 1000;
        transition: box-shadow var(--transition);
    }
    .header.scrolled {
        box-shadow: var(--shadow);
    }
    .header .container {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 100%;
    }
    .header-logo {
        display: flex;
        align-items: center;
        gap: 10px;
        flex-shrink: 0;
    }
    .header-logo i {
        font-size: 26px;
        color: var(--accent);
    }
    .header-logo span {
        font-size: 1.25rem;
        font-weight: 700;
        color: var(--primary);
        letter-spacing: -0.01em;
    }
    .header-nav {
        display: flex;
        align-items: center;
        gap: 6px;
    }
    .header-nav a {
        display: inline-flex;
        align-items: center;
        padding: 8px 18px;
        border-radius: var(--radius-sm);
        font-size: 0.95rem;
        font-weight: 500;
        color: var(--text-secondary);
        transition: background var(--transition), color var(--transition);
        position: relative;
    }
    .header-nav a:hover {
        color: var(--primary);
        background: rgba(30, 58, 95, 0.06);
    }
    .header-nav a.active {
        color: var(--primary);
        background: rgba(30, 58, 95, 0.08);
        font-weight: 600;
    }
    .header-nav a.active::after {
        content: '';
        position: absolute;
        bottom: 2px;
        left: 50%;
        transform: translateX(-50%);
        width: 20px;
        height: 3px;
        border-radius: 2px;
        background: var(--accent);
    }
    .header-actions {
        display: flex;
        align-items: center;
        gap: 12px;
        flex-shrink: 0;
    }
    .header-search {
        display: flex;
        align-items: center;
        background: var(--bg);
        border: 1px solid var(--border);
        border-radius: 50px;
        padding: 0 14px;
        height: 40px;
        min-width: 200px;
        transition: border-color var(--transition), box-shadow var(--transition);
    }
    .header-search:focus-within {
        border-color: var(--primary-light);
        box-shadow: 0 0 0 3px rgba(30, 58, 95, 0.1);
    }
    .header-search i {
        color: var(--text-muted);
        font-size: 0.9rem;
        margin-right: 8px;
    }
    .header-search input {
        flex: 1;
        background: transparent;
        color: var(--text);
        font-size: 0.9rem;
        padding: 8px 0;
        border: none;
        outline: none;
    }
    .header-search input::placeholder {
        color: var(--text-muted);
    }
    .btn-header-cta {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: var(--primary);
        color: #fff;
        padding: 10px 22px;
        border-radius: 50px;
        font-size: 0.9rem;
        font-weight: 600;
        transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
        white-space: nowrap;
    }
    .btn-header-cta:hover {
        background: var(--primary-light);
        color: #fff;
        transform: translateY(-1px);
        box-shadow: 0 4px 14px rgba(30, 58, 95, 0.25);
    }
    .btn-header-cta:active {
        transform: translateY(0);
    }
    .mobile-toggle {
        display: none;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        width: 40px;
        height: 40px;
        border-radius: var(--radius-sm);
        background: transparent;
        transition: background var(--transition);
    }
    .mobile-toggle span {
        display: block;
        width: 22px;
        height: 2px;
        background: var(--text);
        border-radius: 2px;
        transition: all var(--transition);
        margin: 3px 0;
    }
    .mobile-toggle:hover {
        background: var(--border-light);
    }

    /* ===== Hero / Banner ===== */
    .page-hero {
        position: relative;
        padding: 120px 0 80px;
        margin-top: var(--header-h);
        background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
        overflow: hidden;
        min-height: 320px;
        display: flex;
        align-items: center;
    }
    .page-hero::before {
        content: '';
        position: absolute;
        inset: 0;
        background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
        opacity: 0.18;
        mix-blend-mode: overlay;
    }
    .page-hero::after {
        content: '';
        position: absolute;
        inset: 0;
        background: radial-gradient(ellipse at 30% 50%, rgba(232, 133, 12, 0.12) 0%, transparent 70%);
    }
    .page-hero .container {
        position: relative;
        z-index: 2;
        text-align: center;
    }
    .page-hero h1 {
        font-size: 2.8rem;
        color: #fff;
        margin-bottom: 16px;
        letter-spacing: -0.02em;
        text-shadow: 0 2px 20px rgba(0, 0, 0, 0.15);
    }
    .page-hero p {
        font-size: 1.15rem;
        color: rgba(255, 255, 255, 0.85);
        max-width: 680px;
        margin: 0 auto 24px;
        line-height: 1.7;
    }
    .hero-stats {
        display: flex;
        justify-content: center;
        gap: 40px;
        flex-wrap: wrap;
        margin-top: 16px;
    }
    .hero-stat-item {
        text-align: center;
        color: #fff;
    }
    .hero-stat-item .num {
        font-size: 2rem;
        font-weight: 700;
        color: var(--accent-light);
        display: block;
        line-height: 1.2;
    }
    .hero-stat-item .label {
        font-size: 0.85rem;
        color: rgba(255, 255, 255, 0.7);
        margin-top: 4px;
    }

    /* ===== 通用板块 ===== */
    .section {
        padding: 80px 0;
    }
    .section-alt {
        background: var(--bg-card);
    }
    .section-header {
        text-align: center;
        margin-bottom: 48px;
    }
    .section-header h2 {
        font-size: 2rem;
        color: var(--text);
        margin-bottom: 12px;
    }
    .section-header p {
        font-size: 1.05rem;
        color: var(--text-secondary);
        max-width: 600px;
        margin: 0 auto;
    }
    .section-header .badge-group {
        display: flex;
        justify-content: center;
        gap: 10px;
        flex-wrap: wrap;
        margin-top: 16px;
    }

    /* ===== 标签 / 徽章 ===== */
    .tag {
        display: inline-flex;
        align-items: center;
        padding: 4px 14px;
        border-radius: 50px;
        font-size: 0.8rem;
        font-weight: 500;
        background: var(--border-light);
        color: var(--text-secondary);
        transition: all var(--transition);
        cursor: default;
    }
    .tag-accent {
        background: rgba(232, 133, 12, 0.12);
        color: var(--accent);
    }
    .tag-blue {
        background: rgba(30, 58, 95, 0.1);
        color: var(--primary);
    }
    .tag-green {
        background: rgba(16, 185, 129, 0.12);
        color: #0d9488;
    }
    .tag-red {
        background: rgba(239, 68, 68, 0.12);
        color: #dc2626;
    }
    .tag-clickable {
        cursor: pointer;
    }
    .tag-clickable:hover {
        background: var(--primary);
        color: #fff;
    }
    .tag-clickable.active {
        background: var(--primary);
        color: #fff;
    }
    .badge {
        display: inline-flex;
        align-items: center;
        padding: 2px 10px;
        border-radius: 50px;
        font-size: 0.7rem;
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 0.04em;
        background: var(--accent);
        color: #fff;
    }
    .badge-hot {
        background: #ef4444;
    }
    .badge-new {
        background: #0d9488;
    }

    /* ===== 分类标签筛选 ===== */
    .filter-tabs {
        display: flex;
        justify-content: center;
        gap: 10px;
        flex-wrap: wrap;
        margin-bottom: 40px;
    }
    .filter-tab {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 8px 20px;
        border-radius: 50px;
        font-size: 0.9rem;
        font-weight: 500;
        background: var(--bg-card);
        border: 1px solid var(--border);
        color: var(--text-secondary);
        transition: all var(--transition);
        cursor: pointer;
    }
    .filter-tab:hover {
        border-color: var(--primary-light);
        color: var(--primary);
        background: rgba(30, 58, 95, 0.04);
    }
    .filter-tab.active {
        background: var(--primary);
        border-color: var(--primary);
        color: #fff;
        box-shadow: 0 4px 12px rgba(30, 58, 95, 0.2);
    }
    .filter-tab i {
        font-size: 0.85rem;
    }

    /* ===== 卡片网格 ===== */
    .card-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 28px;
    }
    .card {
        background: var(--bg-card);
        border-radius: var(--radius);
        overflow: hidden;
        border: 1px solid var(--border);
        transition: transform var(--transition), box-shadow var(--transition);
        display: flex;
        flex-direction: column;
    }
    .card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-lg);
    }
    .card-img {
        position: relative;
        aspect-ratio: 16 / 10;
        overflow: hidden;
        background: var(--border-light);
    }
    .card-img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.5s ease;
    }
    .card:hover .card-img img {
        transform: scale(1.05);
    }
    .card-img .badge {
        position: absolute;
        top: 12px;
        left: 12px;
        z-index: 2;
    }
    .card-img .date-overlay {
        position: absolute;
        bottom: 12px;
        right: 12px;
        background: rgba(0, 0, 0, 0.6);
        backdrop-filter: blur(6px);
        color: #fff;
        font-size: 0.75rem;
        padding: 4px 12px;
        border-radius: 50px;
        display: flex;
        align-items: center;
        gap: 6px;
    }
    .card-body {
        padding: 20px 22px 24px;
        flex: 1;
        display: flex;
        flex-direction: column;
    }
    .card-body .tag {
        align-self: flex-start;
        margin-bottom: 10px;
    }
    .card-body h3 {
        font-size: 1.1rem;
        font-weight: 600;
        margin-bottom: 8px;
        line-height: 1.4;
        color: var(--text);
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    .card-body h3 a {
        color: inherit;
    }
    .card-body h3 a:hover {
        color: var(--primary);
    }
    .card-body p {
        font-size: 0.9rem;
        color: var(--text-secondary);
        line-height: 1.6;
        flex: 1;
        display: -webkit-box;
        -webkit-line-clamp: 3;
        -webkit-box-orient: vertical;
        overflow: hidden;
        margin-bottom: 12px;
    }
    .card-footer {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding-top: 12px;
        border-top: 1px solid var(--border-light);
        font-size: 0.8rem;
        color: var(--text-muted);
    }
    .card-footer a {
        font-weight: 500;
        color: var(--primary);
        display: inline-flex;
        align-items: center;
        gap: 4px;
    }
    .card-footer a i {
        font-size: 0.7rem;
        transition: transform var(--transition);
    }
    .card-footer a:hover i {
        transform: translateX(3px);
    }

    /* ===== 置顶公告 ===== */
    .featured-announce {
        background: var(--bg-card);
        border-radius: var(--radius-lg);
        overflow: hidden;
        border: 1px solid var(--border);
        display: grid;
        grid-template-columns: 1fr 1fr;
        min-height: 320px;
        transition: box-shadow var(--transition);
    }
    .featured-announce:hover {
        box-shadow: var(--shadow-lg);
    }
    .featured-announce .featured-img {
        position: relative;
        overflow: hidden;
        min-height: 280px;
        background: var(--border-light);
    }
    .featured-announce .featured-img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.5s ease;
    }
    .featured-announce:hover .featured-img img {
        transform: scale(1.03);
    }
    .featured-announce .featured-img .badge {
        position: absolute;
        top: 16px;
        left: 16px;
        font-size: 0.8rem;
        padding: 4px 16px;
    }
    .featured-announce .featured-body {
        padding: 36px 40px;
        display: flex;
        flex-direction: column;
        justify-content: center;
    }
    .featured-announce .featured-body .tag {
        margin-bottom: 12px;
    }
    .featured-announce .featured-body h3 {
        font-size: 1.5rem;
        font-weight: 700;
        margin-bottom: 12px;
        line-height: 1.3;
    }
    .featured-announce .featured-body p {
        font-size: 0.95rem;
        color: var(--text-secondary);
        line-height: 1.7;
        margin-bottom: 20px;
    }
    .featured-announce .featured-body .btn-text {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-weight: 600;
        color: var(--primary);
        font-size: 0.95rem;
    }
    .featured-announce .featured-body .btn-text i {
        transition: transform var(--transition);
    }
    .featured-announce .featured-body .btn-text:hover i {
        transform: translateX(4px);
    }

    /* ===== 介绍区块 ===== */
    .intro-block {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 60px;
        align-items: center;
    }
    .intro-block .intro-text h2 {
        font-size: 1.8rem;
        margin-bottom: 16px;
    }
    .intro-block .intro-text p {
        font-size: 1rem;
        line-height: 1.7;
        margin-bottom: 16px;
    }
    .intro-block .intro-text ul {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 12px;
        margin-top: 20px;
    }
    .intro-block .intro-text ul li {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 0.9rem;
        color: var(--text-secondary);
    }
    .intro-block .intro-text ul li i {
        color: var(--accent);
        font-size: 0.85rem;
        width: 20px;
        text-align: center;
    }
    .intro-block .intro-img {
        border-radius: var(--radius-lg);
        overflow: hidden;
        box-shadow: var(--shadow);
    }
    .intro-block .intro-img img {
        width: 100%;
        height: auto;
        display: block;
    }

    /* ===== FAQ ===== */
    .faq-list {
        max-width: 800px;
        margin: 0 auto;
        display: flex;
        flex-direction: column;
        gap: 12px;
    }
    .faq-item {
        background: var(--bg-card);
        border: 1px solid var(--border);
        border-radius: var(--radius);
        overflow: hidden;
        transition: box-shadow var(--transition);
    }
    .faq-item:hover {
        box-shadow: var(--shadow-sm);
    }
    .faq-question {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 18px 24px;
        font-weight: 600;
        font-size: 1rem;
        color: var(--text);
        cursor: pointer;
        transition: background var(--transition);
        user-select: none;
        gap: 16px;
    }
    .faq-question:hover {
        background: var(--border-light);
    }
    .faq-question i {
        font-size: 0.85rem;
        color: var(--text-muted);
        transition: transform var(--transition);
        flex-shrink: 0;
    }
    .faq-item.open .faq-question i {
        transform: rotate(180deg);
    }
    .faq-answer {
        padding: 0 24px 18px;
        font-size: 0.95rem;
        color: var(--text-secondary);
        line-height: 1.7;
        display: none;
    }
    .faq-item.open .faq-answer {
        display: block;
    }

    /* ===== CTA ===== */
    .cta-section {
        background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
        padding: 80px 0;
        position: relative;
        overflow: hidden;
    }
    .cta-section::before {
        content: '';
        position: absolute;
        inset: 0;
        background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
        opacity: 0.1;
        mix-blend-mode: overlay;
    }
    .cta-section .container {
        position: relative;
        z-index: 2;
        text-align: center;
    }
    .cta-section h2 {
        font-size: 2rem;
        color: #fff;
        margin-bottom: 12px;
    }
    .cta-section p {
        font-size: 1.05rem;
        color: rgba(255, 255, 255, 0.8);
        max-width: 560px;
        margin: 0 auto 32px;
    }
    .cta-form {
        display: flex;
        justify-content: center;
        gap: 12px;
        flex-wrap: wrap;
        max-width: 520px;
        margin: 0 auto;
    }
    .cta-form input[type="email"] {
        flex: 1;
        min-width: 200px;
        padding: 14px 20px;
        border-radius: 50px;
        border: 1px solid rgba(255, 255, 255, 0.2);
        background: rgba(255, 255, 255, 0.1);
        backdrop-filter: blur(8px);
        color: #fff;
        font-size: 0.95rem;
        transition: border-color var(--transition), background var(--transition);
    }
    .cta-form input[type="email"]::placeholder {
        color: rgba(255, 255, 255, 0.5);
    }
    .cta-form input[type="email"]:focus {
        border-color: var(--accent-light);
        background: rgba(255, 255, 255, 0.18);
    }
    .btn-cta {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 14px 34px;
        border-radius: 50px;
        background: var(--accent);
        color: #fff;
        font-weight: 600;
        font-size: 0.95rem;
        transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
        white-space: nowrap;
    }
    .btn-cta:hover {
        background: var(--accent-light);
        color: #fff;
        transform: translateY(-2px);
        box-shadow: 0 8px 24px rgba(232, 133, 12, 0.35);
    }
    .btn-cta:active {
        transform: translateY(0);
    }

    /* ===== 页脚 ===== */
    .footer {
        background: var(--bg-dark);
        color: rgba(255, 255, 255, 0.8);
        padding: 60px 0 30px;
    }
    .footer .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1fr;
        gap: 40px;
        margin-bottom: 40px;
    }
    .footer .footer-brand .header-logo span {
        color: #fff;
    }
    .footer .footer-brand p {
        font-size: 0.9rem;
        color: rgba(255, 255, 255, 0.55);
        margin-top: 12px;
        line-height: 1.7;
    }
    .footer h4 {
        font-size: 1rem;
        font-weight: 600;
        color: #fff;
        margin-bottom: 16px;
    }
    .footer ul li {
        margin-bottom: 10px;
    }
    .footer ul li a {
        color: rgba(255, 255, 255, 0.55);
        font-size: 0.9rem;
        transition: color var(--transition);
        display: inline-flex;
        align-items: center;
        gap: 6px;
    }
    .footer ul li a:hover {
        color: var(--accent-light);
    }
    .footer ul li a i {
        font-size: 0.8rem;
        width: 16px;
        text-align: center;
    }
    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.08);
        padding-top: 24px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        flex-wrap: wrap;
        gap: 12px;
        font-size: 0.85rem;
        color: rgba(255, 255, 255, 0.4);
    }
    .footer-bottom a {
        color: rgba(255, 255, 255, 0.4);
    }
    .footer-bottom a:hover {
        color: var(--accent-light);
    }

    /* ===== 响应式 ===== */
    @media (max-width: 1024px) {
        .card-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .footer .footer-grid {
            grid-template-columns: 1fr 1fr;
        }
        .featured-announce {
            grid-template-columns: 1fr;
        }
        .featured-announce .featured-img {
            min-height: 220px;
        }
        .featured-announce .featured-body {
            padding: 28px 32px;
        }
        .intro-block {
            grid-template-columns: 1fr;
            gap: 40px;
        }
        .intro-block .intro-img {
            order: -1;
        }
        .header-search {
            min-width: 140px;
        }
        .page-hero h1 {
            font-size: 2.2rem;
        }
    }

    @media (max-width: 768px) {
        :root {
            --header-h: 64px;
        }
        .header-nav {
            display: none;
            position: absolute;
            top: var(--header-h);
            left: 0;
            right: 0;
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(12px);
            flex-direction: column;
            padding: 16px 24px;
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow);
            gap: 4px;
        }
        .header-nav.open {
            display: flex;
        }
        .header-nav a {
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            width: 100%;
        }
        .header-nav a.active::after {
            display: none;
        }
        .header-nav a.active {
            background: rgba(30, 58, 95, 0.08);
        }
        .mobile-toggle {
            display: flex;
        }
        .header-actions .btn-header-cta {
            padding: 8px 16px;
            font-size: 0.8rem;
        }
        .header-actions .btn-header-cta span {
            display: none;
        }
        .header-search {
            min-width: 40px;
            width: 40px;
            padding: 0 10px;
        }
        .header-search input {
            display: none;
        }
        .header-search:focus-within {
            width: 180px;
        }
        .header-search:focus-within input {
            display: block;
        }
        .page-hero {
            padding: 100px 0 60px;
            min-height: 260px;
        }
        .page-hero h1 {
            font-size: 1.8rem;
        }
        .page-hero p {
            font-size: 1rem;
        }
        .hero-stats {
            gap: 24px;
        }
        .hero-stat-item .num {
            font-size: 1.5rem;
        }
        .section {
            padding: 56px 0;
        }
        .section-header h2 {
            font-size: 1.6rem;
        }
        .card-grid {
            grid-template-columns: 1fr;
            gap: 20px;
        }
        .featured-announce .featured-body {
            padding: 24px 20px;
        }
        .featured-announce .featured-body h3 {
            font-size: 1.25rem;
        }
        .intro-block .intro-text ul {
            grid-template-columns: 1fr;
        }
        .footer .footer-grid {
            grid-template-columns: 1fr;
            gap: 28px;
        }
        .footer-bottom {
            flex-direction: column;
            text-align: center;
        }
        .cta-section {
            padding: 56px 0;
        }
        .cta-section h2 {
            font-size: 1.5rem;
        }
        .cta-form {
            flex-direction: column;
            align-items: center;
        }
        .cta-form input[type="email"] {
            width: 100%;
        }
        .filter-tabs {
            gap: 8px;
        }
        .filter-tab {
            padding: 6px 14px;
            font-size: 0.8rem;
        }
    }

    @media (max-width: 520px) {
        .container {
            padding: 0 16px;
        }
        .page-hero h1 {
            font-size: 1.5rem;
        }
        .page-hero p {
            font-size: 0.9rem;
        }
        .hero-stats {
            gap: 16px;
        }
        .hero-stat-item .num {
            font-size: 1.25rem;
        }
        .section-header h2 {
            font-size: 1.35rem;
        }
        .card-body {
            padding: 16px 18px 20px;
        }
        .card-body h3 {
            font-size: 1rem;
        }
        .filter-tab {
            padding: 4px 12px;
            font-size: 0.75rem;
        }
        .faq-question {
            padding: 14px 16px;
            font-size: 0.9rem;
        }
        .faq-answer {
            padding: 0 16px 14px;
            font-size: 0.85rem;
        }
    }