/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0f1b2d;
            --primary-light: #1a2d4a;
            --primary-mid: #243b5e;
            --accent: #c9a84c;
            --accent-light: #e0c878;
            --accent-dark: #a88b2e;
            --bg-light: #f8f7f4;
            --bg-card: #ffffff;
            --text-dark: #0f1b2d;
            --text-body: #2d3748;
            --text-light: #6b7280;
            --text-white: #f9fafb;
            --border: #e5e7eb;
            --border-light: #f0f0f0;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 8px 30px rgba(0,0,0,0.10);
            --shadow-lg: 0 20px 60px rgba(0,0,0,0.14);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --header-height: 76px;
        }

        /* ===== 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-body);
            background: var(--bg-light);
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: inherit; text-decoration: none; transition: var(--transition); }
        button { cursor: pointer; font-family: inherit; border: none; background: none; }
        input, textarea { font-family: inherit; outline: none; border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 10px 16px; font-size: 15px; transition: var(--transition); }
        input:focus, textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(201, 168, 76, 0.15); }
        ul { list-style: none; }

        /* ===== 容器 ===== */
        .container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
        .container-narrow { max-width: 880px; margin: 0 auto; padding: 0 24px; }

        /* ===== 排版 ===== */
        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            line-height: 1.25;
            color: var(--text-dark);
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-light);
            max-width: 600px;
            line-height: 1.6;
        }
        .section-header {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header .section-subtitle { margin-top: 8px; }
        .accent-line {
            width: 48px;
            height: 3px;
            background: var(--accent);
            border-radius: 4px;
            margin-top: 12px;
        }
        .accent-line-left { margin-left: 0; }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(15, 27, 45, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255,255,255,0.06);
            transition: var(--transition);
        }
        .site-header.scrolled { background: rgba(15, 27, 45, 0.98); box-shadow: 0 4px 30px rgba(0,0,0,0.25); }
        .header-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }
        .nav-left, .nav-right {
            display: flex;
            align-items: center;
            gap: 32px;
            flex: 1;
        }
        .nav-left { justify-content: flex-start; }
        .nav-right { justify-content: flex-end; }
        .nav-link {
            font-size: 0.92rem;
            font-weight: 500;
            color: rgba(255,255,255,0.75);
            padding: 6px 0;
            position: relative;
            transition: var(--transition);
            letter-spacing: 0.3px;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
            transition: var(--transition);
        }
        .nav-link:hover { color: #fff; }
        .nav-link:hover::after { width: 100%; }
        .nav-link.active { color: var(--accent); }
        .nav-link.active::after { width: 100%; background: var(--accent); }

        .logo-wrap {
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            padding: 0 28px;
        }
        .logo-text {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.04em;
            background: linear-gradient(135deg, #fff 40%, var(--accent-light) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .logo-text .accent { color: var(--accent); -webkit-text-fill-color: var(--accent); }

        /* 移动端菜单按钮 */
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 6px;
            background: none;
            border: none;
            cursor: pointer;
            z-index: 1001;
        }
        .menu-toggle span {
            display: block;
            width: 26px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: var(--transition);
        }
        .menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
        .menu-toggle.active span:nth-child(2) { opacity: 0; }
        .menu-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 92vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--primary);
            overflow: hidden;
            padding-top: var(--header-height);
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.35;
            transform: scale(1.05);
            animation: heroZoom 20s ease-in-out infinite alternate;
        }
        @keyframes heroZoom {
            0% { transform: scale(1.05); }
            100% { transform: scale(1.15); }
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15,27,45,0.82) 0%, rgba(15,27,45,0.45) 60%, rgba(15,27,45,0.70) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 60px 24px;
            max-width: 820px;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(201, 168, 76, 0.18);
            border: 1px solid rgba(201, 168, 76, 0.30);
            color: var(--accent-light);
            font-size: 0.82rem;
            font-weight: 600;
            padding: 6px 20px;
            border-radius: 40px;
            letter-spacing: 1px;
            margin-bottom: 28px;
            backdrop-filter: blur(4px);
        }
        .hero-title {
            font-size: 4rem;
            font-weight: 800;
            line-height: 1.1;
            color: #fff;
            letter-spacing: -0.03em;
            margin-bottom: 20px;
        }
        .hero-title .highlight {
            background: linear-gradient(135deg, var(--accent-light), #f0d68a);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-desc {
            font-size: 1.2rem;
            color: rgba(255,255,255,0.75);
            max-width: 580px;
            margin: 0 auto 36px;
            line-height: 1.7;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: var(--primary);
            font-weight: 600;
            font-size: 0.98rem;
            padding: 14px 32px;
            border-radius: 50px;
            transition: var(--transition);
            box-shadow: 0 4px 20px rgba(201, 168, 76, 0.35);
            border: 1px solid transparent;
        }
        .btn-primary:hover {
            background: var(--accent-light);
            transform: translateY(-3px);
            box-shadow: 0 8px 30px rgba(201, 168, 76, 0.45);
        }
        .btn-primary:active { transform: translateY(-1px); }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 0.98rem;
            padding: 14px 32px;
            border-radius: 50px;
            border: 1.5px solid rgba(255,255,255,0.30);
            transition: var(--transition);
        }
        .btn-outline:hover {
            border-color: var(--accent);
            color: var(--accent-light);
            background: rgba(201, 168, 76, 0.08);
            transform: translateY(-3px);
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            justify-content: center;
            margin-top: 50px;
            padding-top: 40px;
            border-top: 1px solid rgba(255,255,255,0.08);
        }
        .hero-stat-item { text-align: center; }
        .hero-stat-num {
            font-size: 2.4rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.2;
        }
        .hero-stat-num .accent { color: var(--accent-light); }
        .hero-stat-label {
            font-size: 0.85rem;
            color: rgba(255,255,255,0.55);
            margin-top: 4px;
        }

        /* ===== 板块间距 ===== */
        .section-block { padding: 80px 0; }
        .section-block-alt { background: #fff; }

        /* ===== About 板块 ===== */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }
        .about-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }
        .about-image img { width: 100%; height: 400px; object-fit: cover; transition: var(--transition); }
        .about-image:hover img { transform: scale(1.03); }
        .about-text .lead {
            font-size: 1.15rem;
            font-weight: 500;
            color: var(--text-dark);
            margin-bottom: 16px;
        }
        .about-text p { margin-bottom: 16px; color: var(--text-body); }

        /* ===== 核心优势 / 特点卡片 ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .feature-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 36px 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            text-align: center;
        }
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: rgba(201, 168, 76, 0.20);
        }
        .feature-icon {
            width: 60px;
            height: 60px;
            background: rgba(201, 168, 76, 0.10);
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            font-size: 1.6rem;
            color: var(--accent);
            transition: var(--transition);
        }
        .feature-card:hover .feature-icon { background: var(--accent); color: #fff; }
        .feature-title { font-size: 1.15rem; font-weight: 600; color: var(--text-dark); margin-bottom: 10px; }
        .feature-desc { font-size: 0.92rem; color: var(--text-light); line-height: 1.6; }

        /* ===== 分类入口 ===== */
        .categories-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }
        .category-card {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            aspect-ratio: 16 / 9;
            display: flex;
            align-items: flex-end;
        }
        .category-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
        .category-card img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .category-card:hover img { transform: scale(1.06); }
        .category-card-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(0deg, rgba(15,27,45,0.80) 0%, rgba(15,27,45,0.15) 60%, transparent 100%);
        }
        .category-card-body {
            position: relative;
            z-index: 2;
            padding: 28px 24px;
            width: 100%;
        }
        .category-card-title {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
        }
        .category-card-desc {
            font-size: 0.88rem;
            color: rgba(255,255,255,0.75);
            max-width: 320px;
        }
        .category-card-tag {
            display: inline-block;
            background: var(--accent);
            color: var(--primary);
            font-size: 0.72rem;
            font-weight: 600;
            padding: 3px 12px;
            border-radius: 20px;
            margin-top: 10px;
            letter-spacing: 0.3px;
        }

        /* ===== 发展历程 / 时间线 ===== */
        .timeline-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }
        .timeline-grid::before {
            content: '';
            position: absolute;
            top: 32px;
            left: 10%;
            right: 10%;
            height: 2px;
            background: var(--border);
            z-index: 0;
        }
        .timeline-item {
            position: relative;
            z-index: 1;
            text-align: center;
            padding: 0 8px;
        }
        .timeline-dot {
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: var(--bg-light);
            border: 3px solid var(--accent);
            margin: 0 auto 16px;
            box-shadow: 0 0 0 4px rgba(201, 168, 76, 0.12);
            transition: var(--transition);
        }
        .timeline-item:hover .timeline-dot { background: var(--accent); }
        .timeline-step {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--accent);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 6px;
        }
        .timeline-title {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 6px;
        }
        .timeline-desc {
            font-size: 0.85rem;
            color: var(--text-light);
            line-height: 1.5;
        }

        /* ===== 资讯列表 ===== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }
        .news-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
        .news-card-image {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }
        .news-card-body { padding: 22px 24px; flex: 1; display: flex; flex-direction: column; }
        .news-card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 10px;
            font-size: 0.78rem;
            color: var(--text-light);
        }
        .news-card-category {
            display: inline-block;
            background: rgba(201, 168, 76, 0.12);
            color: var(--accent-dark);
            font-weight: 600;
            padding: 2px 12px;
            border-radius: 12px;
            font-size: 0.72rem;
        }
        .news-card-title {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-dark);
            line-height: 1.4;
            margin-bottom: 10px;
            flex: 1;
        }
        .news-card-title a { color: inherit; }
        .news-card-title a:hover { color: var(--accent-dark); }
        .news-card-excerpt {
            font-size: 0.88rem;
            color: var(--text-light);
            line-height: 1.6;
            margin-bottom: 14px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card-link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent-dark);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            align-self: flex-start;
        }
        .news-card-link:hover { color: var(--primary); gap: 10px; }
        .news-empty {
            grid-column: 1 / -1;
            text-align: center;
            padding: 48px 20px;
            color: var(--text-light);
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px dashed var(--border);
            font-size: 1rem;
        }

        /* ===== FAQ ===== */
        .faq-list { max-width: 780px; margin: 0 auto; }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-light);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { border-color: rgba(201, 168, 76, 0.20); }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-dark);
            cursor: pointer;
            background: none;
            width: 100%;
            text-align: left;
            gap: 16px;
            transition: var(--transition);
        }
        .faq-question:hover { color: var(--accent-dark); }
        .faq-question .icon {
            flex-shrink: 0;
            font-size: 0.9rem;
            color: var(--accent);
            transition: var(--transition);
        }
        .faq-item.open .faq-question .icon { transform: rotate(45deg); }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 24px;
            color: var(--text-body);
            font-size: 0.92rem;
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        /* ===== CTA ===== */
        .cta-block {
            background: var(--primary);
            border-radius: var(--radius-lg);
            padding: 64px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-block::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.10;
        }
        .cta-block > * { position: relative; z-index: 1; }
        .cta-title {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-desc {
            font-size: 1.05rem;
            color: rgba(255,255,255,0.70);
            max-width: 520px;
            margin: 0 auto 28px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary);
            color: rgba(255,255,255,0.70);
            padding: 48px 0 28px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }
        .footer-brand .logo-text { font-size: 1.3rem; display: inline-block; margin-bottom: 12px; }
        .footer-brand p { font-size: 0.88rem; line-height: 1.7; max-width: 320px; }
        .footer-col-title {
            font-size: 0.92rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-links { display: flex; flex-direction: column; gap: 10px; }
        .footer-links a {
            font-size: 0.88rem;
            color: rgba(255,255,255,0.60);
            transition: var(--transition);
        }
        .footer-links a:hover { color: var(--accent-light); padding-left: 4px; }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            padding-top: 20px;
            font-size: 0.82rem;
            color: rgba(255,255,255,0.40);
        }

        /* ===== 移动端导航 ===== */
        .mobile-nav {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            background: rgba(15, 27, 45, 0.98);
            backdrop-filter: blur(20px);
            padding: 20px 24px;
            flex-direction: column;
            gap: 12px;
            z-index: 999;
            border-bottom: 1px solid rgba(255,255,255,0.06);
            transform: translateY(-110%);
            transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .mobile-nav.open { transform: translateY(0); }
        .mobile-nav .nav-link {
            font-size: 1.05rem;
            padding: 10px 0;
            border-bottom: 1px solid rgba(255,255,255,0.05);
        }
        .mobile-nav .nav-link:last-child { border-bottom: none; }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .hero-title { font-size: 3.2rem; }
            .about-grid { gap: 36px; }
            .features-grid { gap: 20px; }
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
            .timeline-grid::before { display: none; }
        }
        @media (max-width: 768px) {
            :root { --header-height: 64px; }
            .nav-left, .nav-right { display: none; }
            .menu-toggle { display: flex; }
            .mobile-nav { display: flex; }
            .header-inner { justify-content: space-between; }
            .logo-wrap { padding: 0; }
            .logo-text { font-size: 1.25rem; }

            .hero { min-height: 80vh; }
            .hero-title { font-size: 2.4rem; }
            .hero-desc { font-size: 1rem; }
            .hero-stats { gap: 24px; }
            .hero-stat-num { font-size: 1.8rem; }

            .section-block { padding: 56px 0; }
            .section-title { font-size: 1.7rem; }

            .about-grid { grid-template-columns: 1fr; }
            .about-image img { height: 260px; }

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

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

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

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

            .cta-block { padding: 40px 24px; }
            .cta-title { font-size: 1.5rem; }

            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
        }
        @media (max-width: 480px) {
            .hero-title { font-size: 1.8rem; }
            .hero-actions { flex-direction: column; align-items: center; }
            .btn-primary, .btn-outline { width: 100%; justify-content: center; }
            .hero-stats { gap: 16px; flex-direction: column; }
            .section-title { font-size: 1.4rem; }
            .timeline-grid { grid-template-columns: 1fr; }
            .news-card-image { height: 160px; }
            .faq-question { font-size: 0.92rem; padding: 14px 16px; }
            .faq-answer { font-size: 0.85rem; }
        }

        /* ===== 实用辅助 ===== */
        .text-accent { color: var(--accent); }
        .text-accent-dark { color: var(--accent-dark); }
        .fw-600 { font-weight: 600; }
        .gap-8 { gap: 8px; }
        .gap-12 { gap: 12px; }
        .mt-16 { margin-top: 16px; }
        .mt-24 { margin-top: 24px; }
        .mb-8 { margin-bottom: 8px; }
        .mb-16 { margin-bottom: 16px; }

/* roulang page: article */
/* ===== Design Variables ===== */
        :root {
            --primary: #1a2a6c;
            --primary-light: #2d4a8e;
            --primary-dark: #0f1a4a;
            --accent: #e8b830;
            --accent-light: #f0d060;
            --accent-dark: #c89a20;
            --bg-body: #f8f9fc;
            --bg-card: #ffffff;
            --bg-dark: #0f1a4a;
            --bg-section-alt: #eef1f8;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a6a;
            --text-light: #8a8aaa;
            --text-white: #ffffff;
            --border-color: #e0e4f0;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(26,42,108,0.06);
            --shadow-md: 0 6px 24px rgba(26,42,108,0.10);
            --shadow-lg: 0 16px 48px rgba(26,42,108,0.14);
            --transition: 0.25s ease;
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --container-max: 1200px;
            --header-h: 72px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-body);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-top: var(--header-h);
        }
        a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
        a:hover { color: var(--primary-light); }
        img { max-width: 100%; height: auto; display: block; }
        button, input, textarea { font-family: inherit; font-size: inherit; }
        ul, ol { list-style: none; }

        /* ===== Container ===== */
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container { padding: 0 16px; }
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: var(--header-h);
            background: rgba(255,255,255,0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            z-index: 1000;
            box-shadow: 0 1px 4px rgba(0,0,0,0.04);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            gap: 16px;
        }
        .logo-text {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .logo-text:hover { color: var(--primary-dark); }
        .nav-left, .nav-right {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-link {
            padding: 6px 18px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 20px;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .nav-link:hover {
            color: var(--primary);
            background: rgba(26,42,108,0.06);
        }
        .nav-link.active {
            color: var(--text-white);
            background: var(--primary);
            box-shadow: 0 2px 8px rgba(26,42,108,0.20);
        }
        .nav-link.active:hover {
            background: var(--primary-light);
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.4rem;
            color: var(--primary);
            cursor: pointer;
            padding: 4px 8px;
            border-radius: var(--radius-sm);
        }
        .mobile-toggle:focus { outline: 2px solid var(--primary); outline-offset: 2px; }

        /* Mobile nav */
        @media (max-width: 768px) {
            .nav-left, .nav-right {
                display: none;
                flex-direction: column;
                position: absolute;
                top: var(--header-h);
                left: 0;
                width: 100%;
                background: rgba(255,255,255,0.98);
                backdrop-filter: blur(12px);
                border-bottom: 1px solid var(--border-color);
                padding: 12px 24px 20px;
                gap: 6px;
                box-shadow: var(--shadow-md);
            }
            .nav-left.open, .nav-right.open { display: flex; }
            .nav-link {
                padding: 10px 16px;
                width: 100%;
                border-radius: var(--radius-sm);
            }
            .mobile-toggle { display: block; }
            .header-inner { flex-wrap: wrap; }
        }
        @media (max-width: 520px) {
            .header-inner { padding: 0 12px; }
            .logo-text { font-size: 1.15rem; }
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-wrap {
            background: var(--bg-section-alt);
            padding: 16px 0 12px;
            border-bottom: 1px solid var(--border-color);
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px 10px;
            font-size: 0.85rem;
            color: var(--text-light);
        }
        .breadcrumb a {
            color: var(--text-secondary);
        }
        .breadcrumb a:hover { color: var(--primary); }
        .breadcrumb span { color: var(--text-primary); font-weight: 500; }

        /* ===== Article Main ===== */
        .article-main {
            padding: 48px 0 64px;
        }
        .article-header {
            margin-bottom: 40px;
            max-width: 840px;
            margin-left: auto;
            margin-right: auto;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px 20px;
            margin-bottom: 16px;
            font-size: 0.85rem;
            color: var(--text-light);
        }
        .article-meta .badge {
            background: var(--accent);
            color: var(--primary-dark);
            padding: 2px 14px;
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.75rem;
            letter-spacing: 0.3px;
        }
        .article-meta .date {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .article-title {
            font-size: 2.2rem;
            font-weight: 800;
            line-height: 1.3;
            color: var(--primary-dark);
            margin-bottom: 16px;
        }
        .article-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 720px;
        }

        .article-body {
            max-width: 840px;
            margin: 0 auto;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 40px 48px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
        }
        .article-body p {
            margin-bottom: 1.2em;
            font-size: 1rem;
            line-height: 1.85;
            color: var(--text-primary);
        }
        .article-body h2 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-top: 2em;
            margin-bottom: 0.6em;
            color: var(--primary-dark);
        }
        .article-body h3 {
            font-size: 1.2rem;
            font-weight: 600;
            margin-top: 1.5em;
            margin-bottom: 0.4em;
            color: var(--primary);
        }
        .article-body ul, .article-body ol {
            margin-bottom: 1.2em;
            padding-left: 1.6em;
        }
        .article-body li {
            margin-bottom: 0.4em;
            line-height: 1.7;
        }
        .article-body ul li { list-style: disc; }
        .article-body ol li { list-style: decimal; }
        .article-body blockquote {
            border-left: 4px solid var(--accent);
            padding: 12px 20px;
            margin: 1.2em 0;
            background: var(--bg-section-alt);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-secondary);
            font-style: italic;
        }
        .article-body a { color: var(--primary); text-decoration: underline; }
        .article-body img {
            border-radius: var(--radius-md);
            margin: 1.5em 0;
            box-shadow: var(--shadow-sm);
        }
        .article-body .highlight-box {
            background: var(--bg-section-alt);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            margin: 1.2em 0;
            border-left: 4px solid var(--primary);
        }

        .article-footer {
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px solid var(--border-color);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
        }
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .article-tags .tag {
            background: var(--bg-section-alt);
            color: var(--text-secondary);
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 500;
            transition: all var(--transition);
        }
        .article-tags .tag:hover {
            background: var(--primary);
            color: var(--text-white);
        }
        .article-share {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.85rem;
            color: var(--text-light);
        }
        .article-share a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--bg-section-alt);
            color: var(--text-secondary);
            transition: all var(--transition);
            font-size: 0.9rem;
        }
        .article-share a:hover {
            background: var(--primary);
            color: var(--text-white);
            transform: translateY(-2px);
        }

        /* ===== Not Found ===== */
        .not-found-box {
            text-align: center;
            padding: 80px 24px;
            max-width: 600px;
            margin: 0 auto;
        }
        .not-found-box .icon-big {
            font-size: 3.5rem;
            color: var(--text-light);
            margin-bottom: 20px;
        }
        .not-found-box h2 {
            font-size: 1.8rem;
            color: var(--primary-dark);
            margin-bottom: 12px;
        }
        .not-found-box p {
            color: var(--text-secondary);
            margin-bottom: 24px;
        }
        .btn-back {
            display: inline-block;
            padding: 12px 32px;
            background: var(--primary);
            color: var(--text-white);
            border-radius: 30px;
            font-weight: 600;
            transition: all var(--transition);
        }
        .btn-back:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
            color: var(--text-white);
        }

        /* ===== Related Posts (manual static) ===== */
        .related-section {
            padding: 48px 0 64px;
            background: var(--bg-section-alt);
        }
        .related-section .section-title {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 32px;
            text-align: center;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            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 .card-body {
            padding: 18px 20px 22px;
        }
        .related-card .card-body .badge-sm {
            display: inline-block;
            background: var(--accent);
            color: var(--primary-dark);
            padding: 2px 12px;
            border-radius: 12px;
            font-size: 0.7rem;
            font-weight: 600;
            margin-bottom: 8px;
        }
        .related-card .card-body h3 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .related-card .card-body p {
            font-size: 0.85rem;
            color: var(--text-light);
            line-height: 1.5;
        }
        .related-card .card-body a {
            color: inherit;
        }
        .related-card .card-body a:hover h3 {
            color: var(--primary);
        }
        @media (max-width: 768px) {
            .related-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 520px) {
            .related-grid { grid-template-columns: 1fr; }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255,255,255,0.85);
            padding: 52px 0 28px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .footer-brand .logo-text {
            color: var(--text-white);
            font-size: 1.3rem;
        }
        .footer-brand p {
            font-size: 0.88rem;
            line-height: 1.7;
            color: rgba(255,255,255,0.55);
            margin-top: 12px;
        }
        .footer-col-title {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-white);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-links a {
            color: rgba(255,255,255,0.55);
            font-size: 0.85rem;
            transition: all var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 12px;
            font-size: 0.8rem;
            color: rgba(255,255,255,0.35);
        }
        @media (max-width: 768px) {
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px 24px; }
            .footer-brand { grid-column: 1 / -1; }
        }
        @media (max-width: 520px) {
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; text-align: center; }
        }

        /* ===== Article body responsive ===== */
        @media (max-width: 768px) {
            .article-title { font-size: 1.6rem; }
            .article-body { padding: 24px 20px; }
            .article-header { margin-bottom: 28px; }
            .article-main { padding: 32px 0 48px; }
        }
        @media (max-width: 520px) {
            .article-title { font-size: 1.3rem; }
            .article-body { padding: 18px 14px; border-radius: var(--radius-md); }
            .article-desc { font-size: 0.92rem; }
        }

        /* ===== Utility ===== */
        .text-center { text-align: center; }
        .mt-8 { margin-top: 8px; }
        .mb-8 { margin-bottom: 8px; }

/* roulang page: category1 */
/* ===== Design Tokens ===== */
        :root {
            --primary: #1a2a6c;
            --primary-light: #2d4a8e;
            --primary-dark: #0f1a42;
            --accent: #c9a84c;
            --accent-light: #e0c06a;
            --accent-dark: #a88830;
            --bg-body: #f8f7f4;
            --bg-white: #ffffff;
            --bg-light: #f0ede8;
            --bg-dark: #0f1a42;
            --text-dark: #1a1a2e;
            --text-body: #2d2d3f;
            --text-light: #6b6b7a;
            --text-white: #f5f3ef;
            --border: #e0ddd6;
            --border-light: #efede8;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
            --shadow-md: 0 8px 30px rgba(0,0,0,0.06);
            --shadow-lg: 0 20px 60px rgba(0,0,0,0.08);
            --shadow-hover: 0 16px 48px rgba(0,0,0,0.10);
            --transition: all 0.30s cubic-bezier(0.25,0.46,0.45,0.94);
            --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', serif;
            --max-width: 1200px;
            --header-height: 76px;
            --spacer-section: 100px;
            --spacer-section-mobile: 60px;
        }
        /* ===== 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-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-body);
            background: var(--bg-body);
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: inherit; text-decoration: none; transition: var(--transition); }
        button { cursor: pointer; font-family: inherit; border: none; background: none; }
        input, textarea { font-family: inherit; font-size: 1rem; border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 12px 18px; outline: none; transition: var(--transition); background: var(--bg-white); color: var(--text-body); }
        input:focus, textarea:focus { border-color: var(--primary-light); box-shadow: 0 0 0 3px rgba(26,42,108,0.08); }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { font-family: var(--font-heading); color: var(--text-dark); line-height: 1.25; font-weight: 600; }
        h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); letter-spacing: -0.02em; }
        h2 { font-size: clamp(1.6rem, 3.2vw, 2.3rem); letter-spacing: -0.01em; }
        h3 { font-size: clamp(1.15rem, 1.8vw, 1.5rem); }
        h4 { font-size: 1.1rem; }
        p { margin-bottom: 1em; }
        .container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
        .section-padding { padding: var(--spacer-section) 0; }
        @media (max-width:768px) { .section-padding { padding: var(--spacer-section-mobile) 0; } }
        .section-title { text-align: center; margin-bottom: 56px; }
        .section-title h2 { position: relative; display: inline-block; }
        .section-title h2::after { content: ''; display: block; width: 60px; height: 3px; background: var(--accent); margin: 16px auto 0; border-radius: 4px; }
        .section-title p { max-width: 620px; margin: 16px auto 0; color: var(--text-light); font-size: 1.05rem; }
        .tag { display: inline-block; padding: 4px 14px; border-radius: 50px; font-size: 0.75rem; font-weight: 500; letter-spacing: 0.3px; background: var(--bg-light); color: var(--text-light); border: 1px solid var(--border-light); }
        .tag-accent { background: rgba(201,168,76,0.12); color: var(--accent-dark); border-color: rgba(201,168,76,0.20); }
        .tag-primary { background: rgba(26,42,108,0.06); color: var(--primary); border-color: rgba(26,42,108,0.10); }
        .badge { display: inline-flex; align-items: center; gap: 6px; padding: 6px 16px; border-radius: 50px; font-size: 0.8rem; font-weight: 500; background: var(--bg-white); border: 1px solid var(--border); box-shadow: var(--shadow-sm); }
        .badge i { color: var(--accent); font-size: 0.7rem; }
        .btn {
            display: inline-flex; align-items: center; gap: 10px; padding: 14px 32px; border-radius: 50px; font-size: 0.95rem; font-weight: 500; letter-spacing: 0.2px; transition: var(--transition); border: none; cursor: pointer; background: var(--primary); color: var(--text-white);
        }
        .btn:hover { background: var(--primary-light); transform: translateY(-2px); box-shadow: var(--shadow-md); }
        .btn:active { transform: translateY(0); }
        .btn-accent { background: var(--accent); color: var(--text-dark); }
        .btn-accent:hover { background: var(--accent-light); color: var(--text-dark); }
        .btn-outline { background: transparent; color: var(--primary); border: 2px solid var(--primary); }
        .btn-outline:hover { background: var(--primary); color: var(--text-white); }
        .btn-white { background: var(--bg-white); color: var(--primary); }
        .btn-white:hover { background: var(--bg-light); color: var(--primary-dark); }
        .btn-sm { padding: 10px 22px; font-size: 0.85rem; }
        /* ===== Header & Navigation ===== */
        .site-header {
            position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
            background: rgba(255,255,255,0.88); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(224,221,214,0.40); height: var(--header-height);
            transition: var(--transition);
        }
        .site-header .container { display: flex; align-items: center; justify-content: center; height: 100%; position: relative; }
        .logo-text {
            font-size: 1.45rem; font-weight: 700; color: var(--primary); letter-spacing: -0.5px;
            position: absolute; left: 24px; top: 50%; transform: translateY(-50%);
            white-space: nowrap;
        }
        .logo-text span { color: var(--accent); }
        .nav-wrapper { display: flex; align-items: center; gap: 8px; }
        .nav-left, .nav-right { display: flex; align-items: center; gap: 4px; }
        .nav-link {
            padding: 8px 18px; border-radius: 50px; font-size: 0.92rem; font-weight: 500;
            color: var(--text-light); transition: var(--transition); white-space: nowrap;
        }
        .nav-link:hover { color: var(--primary); background: rgba(26,42,108,0.04); }
        .nav-link.active { color: var(--primary); background: rgba(26,42,108,0.06); font-weight: 600; }
        .nav-cta { background: var(--primary); color: var(--text-white) !important; padding: 8px 22px; border-radius: 50px; font-weight: 500; }
        .nav-cta:hover { background: var(--primary-light); color: var(--text-white) !important; transform: translateY(-1px); }
        .menu-toggle { display: none; background: none; border: none; font-size: 1.4rem; color: var(--text-dark); padding: 8px 12px; border-radius: 8px; cursor: pointer; position: absolute; right: 16px; top: 50%; transform: translateY(-50%); z-index: 1001; }
        .menu-toggle:hover { background: rgba(0,0,0,0.04); }
        @media (max-width:900px) {
            .logo-text { position: static; transform: none; }
            .site-header .container { justify-content: space-between; }
            .nav-wrapper { display: none; position: fixed; top: var(--header-height); left: 0; width: 100%; background: rgba(255,255,255,0.98); backdrop-filter: blur(20px); flex-direction: column; padding: 20px 24px 32px; gap: 6px; border-bottom: 1px solid var(--border); box-shadow: var(--shadow-lg); }
            .nav-wrapper.open { display: flex; }
            .nav-left, .nav-right { flex-direction: column; width: 100%; gap: 2px; }
            .nav-link { width: 100%; padding: 12px 18px; border-radius: var(--radius-sm); }
            .menu-toggle { display: block; }
        }
        /* ===== Hero / Banner (内页横幅) ===== */
        .page-banner {
            padding: 140px 0 80px; margin-top: var(--header-height);
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
            position: relative; overflow: hidden;
        }
        .page-banner::before {
            content: ''; position: absolute; inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover; background-position: center; opacity: 0.12; mix-blend-mode: overlay;
        }
        .page-banner .container { position: relative; z-index: 2; text-align: center; }
        .page-banner h1 { color: var(--text-white); margin-bottom: 16px; }
        .page-banner p { color: rgba(255,255,255,0.75); font-size: 1.15rem; max-width: 640px; margin: 0 auto 24px; }
        .page-banner .breadcrumbs { display: flex; justify-content: center; gap: 8px; font-size: 0.85rem; color: rgba(255,255,255,0.50); margin-bottom: 24px; }
        .page-banner .breadcrumbs a { color: rgba(255,255,255,0.65); }
        .page-banner .breadcrumbs a:hover { color: var(--accent); }
        .page-banner .breadcrumbs .sep { color: rgba(255,255,255,0.30); }
        /* ===== Cards ===== */
        .card {
            background: var(--bg-white); border-radius: var(--radius-md); box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light); overflow: hidden; transition: var(--transition);
        }
        .card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
        .card-img { width: 100%; aspect-ratio: 16/9; object-fit: cover; display: block; }
        .card-body { padding: 28px 24px; }
        .card-body h3 { margin-bottom: 8px; }
        .card-body p { font-size: 0.92rem; color: var(--text-light); margin-bottom: 16px; }
        .card-meta { display: flex; align-items: center; gap: 16px; font-size: 0.8rem; color: var(--text-light); }
        .card-meta i { margin-right: 4px; }
        .card-link { font-weight: 500; color: var(--primary); display: inline-flex; align-items: center; gap: 6px; }
        .card-link:hover { color: var(--primary-light); gap: 10px; }
        /* ===== Grid ===== */
        .grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 28px; }
        .grid-2 { display: grid; grid-template-columns: repeat(2,1fr); gap: 28px; }
        .grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; }
        @media (max-width:1024px) { .grid-4 { grid-template-columns: repeat(2,1fr); } }
        @media (max-width:768px) { .grid-3, .grid-2, .grid-4 { grid-template-columns: 1fr; } .grid-3.responsive-2 { grid-template-columns: repeat(2,1fr); } }
        @media (max-width:520px) { .grid-3.responsive-2 { grid-template-columns: 1fr; } }
        /* ===== Timeline ===== */
        .timeline { position: relative; padding-left: 40px; }
        .timeline::before { content: ''; position: absolute; left: 16px; top: 8px; bottom: 8px; width: 2px; background: linear-gradient(to bottom, var(--accent), var(--primary-light)); border-radius: 4px; }
        .timeline-item { position: relative; padding-bottom: 48px; }
        .timeline-item:last-child { padding-bottom: 0; }
        .timeline-dot { position: absolute; left: -32px; top: 4px; width: 16px; height: 16px; border-radius: 50%; background: var(--bg-white); border: 3px solid var(--accent); box-shadow: 0 0 0 4px rgba(201,168,76,0.15); }
        .timeline-dot.current { background: var(--accent); box-shadow: 0 0 0 6px rgba(201,168,76,0.20); }
        .timeline-content { background: var(--bg-white); border-radius: var(--radius-md); padding: 28px 32px; box-shadow: var(--shadow-sm); border: 1px solid var(--border-light); }
        .timeline-content h4 { color: var(--primary); margin-bottom: 6px; }
        .timeline-content .tl-date { font-size: 0.8rem; color: var(--accent-dark); font-weight: 500; letter-spacing: 0.5px; margin-bottom: 8px; }
        .timeline-content p { font-size: 0.92rem; color: var(--text-light); margin-bottom: 0; }
        /* ===== Stats / 数据 ===== */
        .stats-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; text-align: center; }
        .stat-item { padding: 32px 16px; background: rgba(255,255,255,0.06); border-radius: var(--radius-md); border: 1px solid rgba(255,255,255,0.08); backdrop-filter: blur(4px); }
        .stat-number { font-size: 2.6rem; font-weight: 700; color: var(--accent); line-height: 1.1; margin-bottom: 4px; }
        .stat-label { font-size: 0.85rem; color: rgba(255,255,255,0.65); letter-spacing: 0.3px; }
        @media (max-width:768px) { .stats-grid { grid-template-columns: repeat(2,1fr); } }
        /* ===== Featured / 图文区块 ===== */
        .feature-block { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
        .feature-block.reverse { direction: rtl; }
        .feature-block.reverse > * { direction: ltr; }
        .feature-image { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-md); }
        .feature-image img { width: 100%; height: 400px; object-fit: cover; }
        .feature-text h3 { margin-bottom: 16px; }
        .feature-text p { color: var(--text-light); font-size: 1rem; }
        .feature-text .feature-list { margin-top: 20px; display: flex; flex-direction: column; gap: 12px; }
        .feature-text .feature-list li { display: flex; align-items: flex-start; gap: 12px; font-size: 0.92rem; }
        .feature-text .feature-list li i { color: var(--accent); font-size: 0.8rem; margin-top: 4px; }
        @media (max-width:768px) { .feature-block, .feature-block.reverse { grid-template-columns: 1fr; gap: 32px; direction: ltr; } .feature-image img { height: 240px; } }
        /* ===== FAQ ===== */
        .faq-grid { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
        .faq-item { background: var(--bg-white); border-radius: var(--radius-sm); border: 1px solid var(--border-light); overflow: hidden; transition: var(--transition); }
        .faq-item:hover { border-color: var(--border); }
        .faq-question { padding: 20px 24px; display: flex; justify-content: space-between; align-items: center; cursor: pointer; font-weight: 500; color: var(--text-dark); font-size: 1rem; }
        .faq-question i { color: var(--text-light); transition: var(--transition); font-size: 0.85rem; }
        .faq-item.open .faq-question i { transform: rotate(180deg); color: var(--accent); }
        .faq-answer { padding: 0 24px 20px; font-size: 0.92rem; color: var(--text-light); display: none; line-height: 1.7; }
        .faq-item.open .faq-answer { display: block; }
        /* ===== CTA ===== */
        .cta-section { background: linear-gradient(135deg, var(--primary-dark), var(--primary)); position: relative; overflow: hidden; padding: 80px 0; }
        .cta-section::before { content: ''; position: absolute; inset: 0; background-image: url('/assets/images/backpic/back-3.png'); background-size: cover; background-position: center; opacity: 0.08; mix-blend-mode: overlay; }
        .cta-section .container { position: relative; z-index: 2; text-align: center; }
        .cta-section h2 { color: var(--text-white); margin-bottom: 16px; }
        .cta-section p { color: rgba(255,255,255,0.70); max-width: 560px; margin: 0 auto 32px; font-size: 1.05rem; }
        .cta-buttons { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
        /* ===== 分类标签云 ===== */
        .topic-tags { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-top: 24px; }
        .topic-tags a { padding: 8px 20px; border-radius: 50px; font-size: 0.85rem; font-weight: 500; background: var(--bg-white); border: 1px solid var(--border); color: var(--text-light); transition: var(--transition); }
        .topic-tags a:hover { background: var(--primary); color: var(--text-white); border-color: var(--primary); transform: translateY(-2px); box-shadow: var(--shadow-sm); }
        /* ===== 内容列表 ===== */
        .content-list { display: flex; flex-direction: column; gap: 20px; }
        .content-row { display: grid; grid-template-columns: 220px 1fr; gap: 28px; align-items: start; background: var(--bg-white); border-radius: var(--radius-md); padding: 20px; border: 1px solid var(--border-light); transition: var(--transition); }
        .content-row:hover { box-shadow: var(--shadow-sm); border-color: var(--border); }
        .content-row img { width: 100%; height: 140px; object-fit: cover; border-radius: var(--radius-sm); }
        .content-row .cr-body h4 { margin-bottom: 6px; }
        .content-row .cr-body p { font-size: 0.9rem; color: var(--text-light); margin-bottom: 10px; }
        .content-row .cr-meta { font-size: 0.78rem; color: var(--text-light); display: flex; gap: 16px; }
        @media (max-width:768px) { .content-row { grid-template-columns: 1fr; } .content-row img { height: 200px; } }
        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark); color: rgba(255,255,255,0.70); padding: 60px 0 0;
            border-top: 3px solid var(--accent);
        }
        .site-footer a { color: rgba(255,255,255,0.60); }
        .site-footer a:hover { color: var(--accent); }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 40px; margin-bottom: 40px; }
        .footer-brand .logo-text { font-size: 1.3rem; position: static; transform: none; color: var(--text-white); }
        .footer-brand p { font-size: 0.88rem; margin-top: 12px; color: rgba(255,255,255,0.50); line-height: 1.7; }
        .footer-col-title { font-size: 0.9rem; font-weight: 600; color: var(--text-white); margin-bottom: 16px; letter-spacing: 0.5px; }
        .footer-links { display: flex; flex-direction: column; gap: 10px; }
        .footer-links a { font-size: 0.85rem; }
        .footer-bottom { border-top: 1px solid rgba(255,255,255,0.06); padding: 24px 0; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; font-size: 0.82rem; color: rgba(255,255,255,0.35); }
        @media (max-width:768px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; } }
        @media (max-width:520px) { .footer-grid { grid-template-columns: 1fr; } .footer-bottom { flex-direction: column; text-align: center; } }
        /* ===== 动画 ===== */
        .fade-up { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease, transform 0.6s ease; }
        .fade-up.visible { opacity: 1; transform: translateY(0); }
        /* ===== 响应式微调 ===== */
        @media (max-width:768px) { .page-banner { padding: 110px 0 56px; } .page-banner h1 { font-size: 1.8rem; } .page-banner p { font-size: 0.95rem; } }
        /* ===== 分割线 ===== */
        .divider { width: 60px; height: 3px; background: var(--accent); border-radius: 4px; margin: 0 auto 24px; }
        /* ===== 背景深色区块 ===== */
        .section-dark { background: var(--bg-dark); color: rgba(255,255,255,0.75); }
        .section-dark h2, .section-dark h3, .section-dark h4 { color: var(--text-white); }
        .section-dark .tag { background: rgba(255,255,255,0.06); color: rgba(255,255,255,0.60); border-color: rgba(255,255,255,0.08); }