/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #1a2a6c;
            --primary-light: #2d4a9c;
            --primary-dark: #0f1a4a;
            --accent: #f0a500;
            --accent-light: #ffc440;
            --accent-dark: #d48f00;
            --bg: #f8f9fc;
            --bg-alt: #eef0f7;
            --bg-card: #ffffff;
            --text: #1a2332;
            --text-light: #6b7a8f;
            --text-white: #ffffff;
            --border: #dce0e8;
            --border-light: #e8ecf3;
            --radius: 14px;
            --radius-sm: 8px;
            --radius-lg: 20px;
            --shadow: 0 4px 24px rgba(26, 42, 108, 0.08);
            --shadow-lg: 0 12px 48px rgba(26, 42, 108, 0.12);
            --shadow-hover: 0 20px 60px rgba(26, 42, 108, 0.18);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --container-max: 1200px;
            --header-height: 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: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a { color: var(--primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--primary-light); }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
        button, input, textarea, select { font-family: inherit; font-size: inherit; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; color: var(--primary-dark); font-weight: 700; }
        h1 { font-size: clamp(2rem, 5vw, 3.2rem); }
        h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); margin-bottom: 1rem; }
        h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); }
        p { margin-bottom: 1rem; color: var(--text-light); }
        .container { max-width: var(--container-max); margin: 0 auto; padding: 0 24px; }
        .section { padding: 80px 0; }
        .section-title { text-align: center; margin-bottom: 3rem; }
        .section-title h2 { position: relative; display: inline-block; }
        .section-title h2::after { content: ''; display: block; width: 60px; height: 4px; background: var(--accent); border-radius: 2px; margin: 12px auto 0; }
        .section-title p { max-width: 640px; margin: 1rem auto 0; font-size: 1.1rem; }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
            height: var(--header-height);
            background: rgba(255, 255, 255, 0.82);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(220, 224, 232, 0.5);
            transition: var(--transition);
        }
        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.96);
            box-shadow: 0 2px 32px rgba(26, 42, 108, 0.1);
            border-bottom-color: var(--border);
        }
        .header-inner {
            display: flex; align-items: center; justify-content: space-between;
            height: 100%; max-width: var(--container-max); margin: 0 auto; padding: 0 24px;
        }
        .site-logo {
            font-size: 1.3rem; font-weight: 800; color: var(--primary);
            letter-spacing: -0.02em; display: flex; align-items: center; gap: 8px;
        }
        .site-logo i { color: var(--accent); font-size: 1.5rem; }
        .site-logo:hover { color: var(--primary); opacity: 0.9; }
        .main-nav { display: flex; align-items: center; gap: 8px; }
        .main-nav a {
            padding: 8px 18px; border-radius: var(--radius-sm);
            font-weight: 500; font-size: 0.95rem; color: var(--text-light);
            transition: var(--transition); position: relative;
        }
        .main-nav a:hover { color: var(--primary); background: rgba(26, 42, 108, 0.06); }
        .main-nav a.active { color: var(--primary); background: rgba(26, 42, 108, 0.08); font-weight: 600; }
        .main-nav a.active::after { content: ''; position: absolute; bottom: 2px; left: 50%; transform: translateX(-50%); width: 20px; height: 3px; background: var(--accent); border-radius: 2px; }
        .nav-cta {
            background: var(--primary); color: var(--text-white) !important;
            padding: 10px 24px !important; border-radius: var(--radius-sm) !important;
            font-weight: 600 !important; box-shadow: 0 4px 14px rgba(26, 42, 108, 0.25);
        }
        .nav-cta:hover { background: var(--primary-light) !important; transform: translateY(-1px); box-shadow: 0 6px 20px rgba(26, 42, 108, 0.35) !important; }
        .nav-toggle { display: none; background: none; border: none; font-size: 1.6rem; color: var(--primary); cursor: pointer; padding: 4px; }

        /* ===== Hero ===== */
        .hero {
            min-height: 100vh; display: flex; align-items: center; justify-content: center;
            background: linear-gradient(135deg, rgba(26, 42, 108, 0.88) 0%, rgba(15, 26, 74, 0.92) 100%), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            color: var(--text-white); text-align: center; padding: 120px 24px 80px; position: relative; overflow: hidden;
        }
        .hero::before { content: ''; position: absolute; top: -50%; left: -50%; width: 200%; height: 200%; background: radial-gradient(circle at 30% 40%, rgba(240, 165, 0, 0.08) 0%, transparent 60%); pointer-events: none; }
        .hero-content { max-width: 820px; position: relative; z-index: 2; }
        .hero-badge {
            display: inline-block; padding: 6px 20px; background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(6px); border-radius: 40px; font-size: 0.85rem; font-weight: 500;
            border: 1px solid rgba(255, 255, 255, 0.2); margin-bottom: 1.5rem; letter-spacing: 0.04em;
        }
        .hero h1 { color: var(--text-white); font-size: clamp(2.4rem, 6vw, 3.8rem); font-weight: 800; letter-spacing: -0.02em; line-height: 1.15; margin-bottom: 1.2rem; }
        .hero h1 span { color: var(--accent); }
        .hero p { color: rgba(255, 255, 255, 0.85); font-size: clamp(1rem, 2vw, 1.2rem); max-width: 640px; margin: 0 auto 2rem; line-height: 1.8; }
        .hero-actions { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }
        .btn { display: inline-flex; align-items: center; gap: 8px; padding: 14px 32px; border-radius: var(--radius-sm); font-weight: 600; font-size: 1rem; transition: var(--transition); cursor: pointer; border: none; }
        .btn-primary { background: var(--accent); color: var(--primary-dark); box-shadow: 0 8px 28px rgba(240, 165, 0, 0.35); }
        .btn-primary:hover { background: var(--accent-light); transform: translateY(-2px); box-shadow: 0 12px 36px rgba(240, 165, 0, 0.45); color: var(--primary-dark); }
        .btn-outline { background: transparent; color: var(--text-white); border: 2px solid rgba(255, 255, 255, 0.4); }
        .btn-outline:hover { border-color: var(--text-white); background: rgba(255, 255, 255, 0.1); transform: translateY(-2px); color: var(--text-white); }
        .hero-stats { display: flex; flex-wrap: wrap; gap: 32px; justify-content: center; margin-top: 3rem; padding-top: 2.5rem; border-top: 1px solid rgba(255, 255, 255, 0.12); }
        .hero-stat { text-align: center; }
        .hero-stat .num { font-size: 2rem; font-weight: 800; color: var(--accent); display: block; }
        .hero-stat .label { font-size: 0.85rem; color: rgba(255, 255, 255, 0.7); }

        /* ===== 核心说明 ===== */
        .intro-section { background: var(--bg); }
        .intro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
        .intro-image { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); }
        .intro-image img { width: 100%; height: 400px; object-fit: cover; }
        .intro-text h2 { margin-bottom: 1.2rem; }
        .intro-text p { font-size: 1.05rem; margin-bottom: 1.2rem; }
        .intro-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 1.5rem; }
        .tag {
            display: inline-flex; align-items: center; gap: 6px; padding: 6px 16px;
            background: var(--bg-alt); border-radius: 40px; font-size: 0.85rem; font-weight: 500;
            color: var(--primary); border: 1px solid var(--border-light); transition: var(--transition);
        }
        .tag i { color: var(--accent); font-size: 0.75rem; }
        .tag:hover { background: var(--primary); color: var(--text-white); border-color: var(--primary); }
        .tag:hover i { color: var(--accent); }

        /* ===== 分类入口 ===== */
        .category-section { background: var(--bg-alt); }
        .category-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
        .category-card {
            background: var(--bg-card); border-radius: var(--radius); overflow: hidden;
            box-shadow: var(--shadow); transition: var(--transition); border: 1px solid var(--border-light);
            cursor: pointer; display: block; color: inherit;
        }
        .category-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); color: inherit; }
        .category-card .card-img { width: 100%; height: 200px; object-fit: cover; }
        .category-card .card-body { padding: 24px; }
        .category-card .card-body h3 { margin-bottom: 8px; font-size: 1.2rem; }
        .category-card .card-body p { font-size: 0.92rem; margin-bottom: 0; color: var(--text-light); }
        .category-card .card-tag { display: inline-block; padding: 4px 12px; background: rgba(240, 165, 0, 0.12); color: var(--accent-dark); border-radius: 40px; font-size: 0.78rem; font-weight: 600; margin-bottom: 10px; }

        /* ===== 最新信息 ===== */
        .news-section { background: var(--bg); }
        .news-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 24px; }
        .news-card {
            background: var(--bg-card); border-radius: var(--radius); overflow: hidden;
            box-shadow: var(--shadow); transition: var(--transition); border: 1px solid var(--border-light);
            display: flex; flex-direction: column;
        }
        .news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
        .news-card .card-top { padding: 20px 24px 0; display: flex; align-items: center; gap: 10px; }
        .news-card .card-cat { font-size: 0.78rem; font-weight: 600; color: var(--accent-dark); background: rgba(240, 165, 0, 0.1); padding: 2px 12px; border-radius: 40px; }
        .news-card .card-date { font-size: 0.8rem; color: var(--text-light); }
        .news-card .card-body { padding: 16px 24px 24px; flex: 1; display: flex; flex-direction: column; }
        .news-card .card-body h3 { font-size: 1.1rem; margin-bottom: 8px; line-height: 1.4; }
        .news-card .card-body h3 a { color: inherit; }
        .news-card .card-body h3 a:hover { color: var(--primary); }
        .news-card .card-body p { font-size: 0.9rem; margin-bottom: 0; color: var(--text-light); flex: 1; }
        .news-card .card-foot { padding: 12px 24px; border-top: 1px solid var(--border-light); display: flex; justify-content: space-between; align-items: center; font-size: 0.85rem; }
        .news-card .card-foot a { color: var(--primary); font-weight: 500; display: inline-flex; align-items: center; gap: 4px; }
        .news-empty { text-align: center; padding: 48px 24px; color: var(--text-light); font-size: 1.1rem; grid-column: 1 / -1; }
        .news-empty i { font-size: 2.4rem; color: var(--border); display: block; margin-bottom: 16px; }

        /* ===== 数据/流程 ===== */
        .process-section { background: var(--primary-dark); color: var(--text-white); position: relative; overflow: hidden; }
        .process-section::before { content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat; opacity: 0.06; pointer-events: none; }
        .process-section .section-title h2 { color: var(--text-white); }
        .process-section .section-title h2::after { background: var(--accent); }
        .process-section .section-title p { color: rgba(255, 255, 255, 0.7); }
        .process-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 32px; position: relative; z-index: 2; }
        .process-step { text-align: center; padding: 32px 20px; background: rgba(255, 255, 255, 0.06); border-radius: var(--radius); border: 1px solid rgba(255, 255, 255, 0.08); backdrop-filter: blur(4px); transition: var(--transition); }
        .process-step:hover { background: rgba(255, 255, 255, 0.1); transform: translateY(-4px); }
        .process-step .step-icon { width: 60px; height: 60px; background: rgba(240, 165, 0, 0.15); border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 16px; font-size: 1.6rem; color: var(--accent); }
        .process-step .step-num { font-size: 0.78rem; font-weight: 700; color: var(--accent); letter-spacing: 0.06em; margin-bottom: 6px; }
        .process-step h3 { color: var(--text-white); font-size: 1.1rem; margin-bottom: 8px; }
        .process-step p { color: rgba(255, 255, 255, 0.7); font-size: 0.9rem; margin-bottom: 0; }

        /* ===== FAQ ===== */
        .faq-section { background: var(--bg); }
        .faq-list { max-width: 780px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
        .faq-item { background: var(--bg-card); border-radius: var(--radius-sm); border: 1px solid var(--border-light); overflow: hidden; transition: var(--transition); }
        .faq-item:hover { border-color: var(--border); box-shadow: var(--shadow); }
        .faq-question { padding: 18px 24px; display: flex; justify-content: space-between; align-items: center; cursor: pointer; font-weight: 600; font-size: 1rem; color: var(--text); transition: var(--transition); background: none; border: none; width: 100%; text-align: left; }
        .faq-question i { color: var(--accent); transition: var(--transition); font-size: 0.9rem; }
        .faq-item.open .faq-question i { transform: rotate(180deg); }
        .faq-answer { padding: 0 24px; max-height: 0; overflow: hidden; transition: all 0.35s ease; }
        .faq-item.open .faq-answer { padding: 0 24px 18px; max-height: 300px; }
        .faq-answer p { font-size: 0.95rem; color: var(--text-light); margin-bottom: 0; }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            text-align: center; padding: 80px 24px; position: relative; overflow: hidden;
        }
        .cta-section::before { content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat; opacity: 0.08; pointer-events: none; }
        .cta-content { max-width: 640px; margin: 0 auto; position: relative; z-index: 2; }
        .cta-content h2 { color: var(--text-white); font-size: clamp(1.8rem, 4vw, 2.6rem); margin-bottom: 1rem; }
        .cta-content p { color: rgba(255, 255, 255, 0.8); font-size: 1.1rem; margin-bottom: 2rem; }
        .cta-content .btn-primary { font-size: 1.1rem; padding: 16px 40px; }

        /* ===== 页脚 ===== */
        .site-footer { background: var(--primary-dark); color: rgba(255, 255, 255, 0.75); padding: 48px 0 24px; }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; margin-bottom: 32px; }
        .footer-brand .site-logo { color: var(--text-white); font-size: 1.2rem; margin-bottom: 12px; }
        .footer-brand p { font-size: 0.9rem; max-width: 360px; color: rgba(255, 255, 255, 0.6); }
        .footer-col h4 { color: var(--text-white); font-size: 0.95rem; margin-bottom: 16px; font-weight: 600; }
        .footer-col a { display: block; color: rgba(255, 255, 255, 0.6); font-size: 0.9rem; padding: 4px 0; transition: var(--transition); }
        .footer-col 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; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; font-size: 0.85rem; color: rgba(255, 255, 255, 0.5); }
        .footer-bottom a { color: rgba(255, 255, 255, 0.6); }
        .footer-bottom a:hover { color: var(--accent); }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .intro-grid { grid-template-columns: 1fr; gap: 32px; }
            .intro-image img { height: 280px; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .section { padding: 56px 0; }
            .hero { min-height: 80vh; padding: 100px 20px 60px; }
            .nav-toggle { display: block; }
            .main-nav {
                position: fixed; top: var(--header-height); left: 0; right: 0;
                background: rgba(255, 255, 255, 0.98); backdrop-filter: blur(16px);
                flex-direction: column; padding: 16px 24px; gap: 4px;
                box-shadow: 0 12px 40px rgba(26, 42, 108, 0.12);
                transform: translateY(-120%); opacity: 0; pointer-events: none;
                transition: all 0.4s ease; border-bottom: 1px solid var(--border);
            }
            .main-nav.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
            .main-nav a { width: 100%; padding: 12px 16px; border-radius: var(--radius-sm); }
            .main-nav a.active::after { display: none; }
            .nav-cta { text-align: center; margin-top: 4px; }
            .hero-stats { gap: 20px; }
            .hero-stat .num { font-size: 1.6rem; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .news-grid { grid-template-columns: 1fr; }
            .category-grid { grid-template-columns: 1fr; }
            .process-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 520px) {
            .hero { min-height: 70vh; padding: 80px 16px 40px; }
            .hero h1 { font-size: 1.8rem; }
            .hero-actions { flex-direction: column; align-items: center; }
            .btn { width: 100%; justify-content: center; }
            .process-grid { grid-template-columns: 1fr; }
            .intro-image img { height: 200px; }
            .section-title p { font-size: 0.95rem; }
            .faq-question { font-size: 0.95rem; padding: 14px 18px; }
        }

        /* ===== 工具类 ===== */
        .text-center { text-align: center; }
        .mt-2 { margin-top: 2rem; }
        .mb-2 { margin-bottom: 2rem; }
        .gap-1 { gap: 1rem; }
        .flex-center { display: flex; align-items: center; justify-content: center; }

/* roulang page: category1 */
/* ===== :root 设计变量 ===== */
        :root {
            --primary: #1a73e8;
            --primary-dark: #0d47a1;
            --primary-light: #e8f0fe;
            --accent: #f9a825;
            --accent-dark: #f57f17;
            --bg: #f8fafc;
            --bg-card: #ffffff;
            --bg-dark: #0b1a2f;
            --text: #1e293b;
            --text-weak: #64748b;
            --text-light: #f1f5f9;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius: 16px;
            --radius-sm: 10px;
            --radius-xs: 6px;
            --shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.10);
            --shadow-glass: 0 8px 32px rgba(0, 0, 0, 0.08);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
            --max-width: 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);
            font-size: 16px;
            line-height: 1.6;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
        }
        button {
            cursor: pointer;
            background: none;
        }
        ul,
        ol {
            list-style: none;
        }

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

        /* ===== Header / 玻璃导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            height: var(--header-h);
            background: rgba(255, 255, 255, 0.72);
            backdrop-filter: blur(16px) saturate(180%);
            -webkit-backdrop-filter: blur(16px) saturate(180%);
            border-bottom: 1px solid rgba(255, 255, 255, 0.30);
            box-shadow: 0 1px 12px rgba(0, 0, 0, 0.04);
            transition: var(--transition);
        }
        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.92);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
        }
        .header-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary-dark);
            letter-spacing: -0.3px;
            white-space: nowrap;
        }
        .site-logo i {
            color: var(--accent);
            font-size: 1.6rem;
        }
        .site-logo:hover {
            color: var(--primary);
        }

        /* 导航 */
        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .main-nav a {
            padding: 8px 18px;
            border-radius: var(--radius-xs);
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text);
            transition: var(--transition);
            position: relative;
            display: flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
        }
        .main-nav a i {
            font-size: 0.9rem;
            color: var(--text-weak);
        }
        .main-nav a:hover {
            background: var(--primary-light);
            color: var(--primary);
        }
        .main-nav a:hover i {
            color: var(--primary);
        }
        .main-nav a.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(26, 115, 232, 0.28);
        }
        .main-nav a.active i {
            color: #fff;
        }
        .main-nav a.nav-cta {
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            color: #fff;
            border-radius: var(--radius-xs);
            padding: 8px 22px;
            font-weight: 600;
            box-shadow: 0 4px 14px rgba(249, 168, 37, 0.30);
        }
        .main-nav a.nav-cta i {
            color: #fff;
        }
        .main-nav a.nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(249, 168, 37, 0.40);
        }

        .nav-toggle {
            display: none;
            font-size: 1.6rem;
            color: var(--text);
            padding: 6px 10px;
            border-radius: var(--radius-xs);
            background: rgba(255, 255, 255, 0.6);
            backdrop-filter: blur(4px);
            border: 1px solid var(--border);
        }
        .nav-toggle:hover {
            background: var(--primary-light);
            color: var(--primary);
        }

        /* ===== Hero / Banner ===== */
        .page-banner {
            position: relative;
            padding: 140px 0 80px;
            margin-top: var(--header-h);
            background: linear-gradient(135deg, rgba(11, 26, 47, 0.82), rgba(13, 71, 161, 0.78)), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            color: var(--text-light);
            text-align: center;
            overflow: hidden;
            min-height: 380px;
            display: flex;
            align-items: center;
        }
        .page-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 80px;
            background: linear-gradient(to top, var(--bg), transparent);
        }
        .page-banner .banner-content {
            position: relative;
            z-index: 2;
            max-width: 780px;
            margin: 0 auto;
        }
        .page-banner h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.25);
        }
        .page-banner h1 i {
            color: var(--accent);
            margin-right: 10px;
        }
        .page-banner p {
            font-size: 1.15rem;
            opacity: 0.92;
            max-width: 620px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }
        .page-banner .banner-cta {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--accent);
            color: #1e293b;
            font-weight: 700;
            padding: 14px 36px;
            border-radius: var(--radius-sm);
            font-size: 1.05rem;
            box-shadow: 0 8px 28px rgba(249, 168, 37, 0.35);
            transition: var(--transition);
        }
        .page-banner .banner-cta:hover {
            background: var(--accent-dark);
            transform: translateY(-3px);
            box-shadow: 0 12px 36px rgba(249, 168, 37, 0.45);
            color: #1e293b;
        }
        .breadcrumb {
            display: flex;
            justify-content: center;
            gap: 6px;
            font-size: 0.9rem;
            margin-bottom: 16px;
            opacity: 0.75;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-light);
            opacity: 0.8;
        }
        .breadcrumb a:hover {
            opacity: 1;
            color: var(--accent);
        }
        .breadcrumb span {
            color: var(--accent);
            font-weight: 500;
        }

        /* ===== 通用板块 ===== */
        .section {
            padding: 72px 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header h2 {
            font-size: 2.0rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }
        .section-header h2 i {
            color: var(--primary);
            margin-right: 8px;
        }
        .section-header p {
            font-size: 1.05rem;
            color: var(--text-weak);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.7;
        }
        .section-header .divider {
            width: 48px;
            height: 4px;
            background: var(--accent);
            border-radius: 4px;
            margin: 14px auto 0;
        }

        /* ===== 卡片网格 ===== */
        .card-grid {
            display: grid;
            gap: 28px;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        }
        .card {
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 32px 28px;
            transition: var(--transition);
            border: 1px solid var(--border-light);
            display: flex;
            flex-direction: column;
        }
        .card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .card .card-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            margin-bottom: 18px;
        }
        .card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text);
        }
        .card p {
            font-size: 0.95rem;
            color: var(--text-weak);
            line-height: 1.7;
            flex: 1;
        }
        .card .card-tag {
            margin-top: 16px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
            padding: 4px 14px;
            border-radius: 20px;
            background: var(--primary-light);
            align-self: flex-start;
        }

        /* ===== 步骤/流程 ===== */
        .steps-grid {
            display: grid;
            gap: 32px;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            counter-reset: step;
        }
        .step-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 32px 28px;
            text-align: center;
            transition: var(--transition);
            border: 1px solid var(--border-light);
            position: relative;
        }
        .step-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .step-card .step-num {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            font-weight: 700;
            margin: 0 auto 18px;
            box-shadow: 0 4px 16px rgba(26, 115, 232, 0.22);
        }
        .step-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text);
        }
        .step-card p {
            font-size: 0.93rem;
            color: var(--text-weak);
            line-height: 1.7;
        }
        .step-card .step-img {
            border-radius: var(--radius-sm);
            margin-top: 16px;
            width: 100%;
            height: 140px;
            object-fit: cover;
            background: var(--border-light);
        }

        /* ===== 安全提示区块 ===== */
        .safety-block {
            background: var(--bg-dark);
            color: var(--text-light);
            border-radius: var(--radius);
            padding: 48px 40px;
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
            align-items: center;
            justify-content: space-between;
            box-shadow: var(--shadow);
        }
        .safety-block .safety-text {
            flex: 2;
            min-width: 260px;
        }
        .safety-block .safety-text h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .safety-block .safety-text h3 i {
            color: var(--accent);
        }
        .safety-block .safety-text p {
            color: rgba(255, 255, 255, 0.78);
            line-height: 1.8;
            font-size: 0.98rem;
        }
        .safety-block .safety-list {
            flex: 1;
            min-width: 200px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .safety-block .safety-list li {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.95rem;
            background: rgba(255, 255, 255, 0.06);
            padding: 10px 16px;
            border-radius: var(--radius-xs);
            border-left: 3px solid var(--accent);
        }
        .safety-block .safety-list li i {
            color: var(--accent);
            font-size: 1.1rem;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 720px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item summary {
            padding: 18px 24px;
            font-size: 1.02rem;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text);
            list-style: none;
            transition: var(--transition);
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 0.85rem;
            color: var(--text-weak);
            transition: var(--transition);
        }
        .faq-item[open] summary::after {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-item summary:hover {
            background: var(--primary-light);
        }
        .faq-item .faq-answer {
            padding: 0 24px 18px;
            color: var(--text-weak);
            line-height: 1.8;
            font-size: 0.95rem;
        }

        /* ===== CTA ===== */
        .cta-block {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: var(--radius);
            padding: 56px 40px;
            text-align: center;
            color: #fff;
            box-shadow: 0 12px 40px rgba(13, 71, 161, 0.28);
        }
        .cta-block h2 {
            font-size: 2.0rem;
            font-weight: 700;
            margin-bottom: 14px;
        }
        .cta-block p {
            font-size: 1.05rem;
            opacity: 0.92;
            max-width: 540px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }
        .cta-block .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--accent);
            color: #1e293b;
            font-weight: 700;
            padding: 14px 38px;
            border-radius: var(--radius-sm);
            font-size: 1.05rem;
            box-shadow: 0 6px 24px rgba(249, 168, 37, 0.35);
            transition: var(--transition);
        }
        .cta-block .cta-btn:hover {
            background: #fff;
            color: var(--primary);
            transform: translateY(-3px);
            box-shadow: 0 10px 32px rgba(0, 0, 0, 0.15);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.80);
            padding: 48px 0 24px;
            margin-top: 16px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }
        .footer-brand .site-logo {
            color: #fff;
            margin-bottom: 14px;
            font-size: 1.4rem;
        }
        .footer-brand .site-logo i {
            color: var(--accent);
        }
        .footer-brand p {
            font-size: 0.92rem;
            opacity: 0.72;
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: #fff;
        }
        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.72);
            font-size: 0.92rem;
            padding: 5px 0;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--accent);
            padding-left: 6px;
        }
        .footer-col a i {
            margin-right: 8px;
            width: 18px;
            text-align: center;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.85rem;
            opacity: 0.60;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 992px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .page-banner h1 {
                font-size: 2.2rem;
            }
            .safety-block {
                flex-direction: column;
                text-align: center;
                padding: 36px 28px;
            }
            .safety-block .safety-list li {
                justify-content: center;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                padding: 0 16px;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(16px);
                position: absolute;
                top: var(--header-h);
                left: 0;
                width: 100%;
                padding: 16px 20px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow);
                gap: 4px;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 12px 16px;
                border-radius: var(--radius-xs);
                font-size: 1rem;
            }
            .main-nav a.nav-cta {
                margin-top: 6px;
                text-align: center;
            }
            .nav-toggle {
                display: block;
            }
            .page-banner {
                padding: 120px 0 60px;
                min-height: 300px;
            }
            .page-banner h1 {
                font-size: 1.8rem;
            }
            .page-banner p {
                font-size: 1rem;
            }
            .section {
                padding: 48px 0;
            }
            .section-header h2 {
                font-size: 1.6rem;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .cta-block {
                padding: 40px 24px;
            }
            .cta-block h2 {
                font-size: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .safety-block {
                padding: 28px 20px;
            }
        }

        @media (max-width: 520px) {
            .page-banner h1 {
                font-size: 1.5rem;
            }
            .page-banner .banner-cta {
                padding: 12px 24px;
                font-size: 0.95rem;
            }
            .section-header h2 {
                font-size: 1.35rem;
            }
            .card {
                padding: 24px 20px;
            }
            .step-card {
                padding: 24px 20px;
            }
            .faq-item summary {
                padding: 14px 18px;
                font-size: 0.95rem;
            }
            .faq-item .faq-answer {
                padding: 0 18px 14px;
            }
            .cta-block {
                padding: 32px 18px;
            }
            .cta-block h2 {
                font-size: 1.3rem;
            }
            .cta-block .cta-btn {
                padding: 12px 26px;
                font-size: 0.95rem;
            }
        }

        /* ===== 工具类 ===== */
        .mt-16 {
            margin-top: 16px;
        }
        .mt-24 {
            margin-top: 24px;
        }
        .text-center {
            text-align: center;
        }
        .flex-center {
            display: flex;
            justify-content: center;
            align-items: center;
        }
        .gap-8 {
            gap: 8px;
        }

/* roulang page: article */
:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #3b82f6;
  --accent: #f59e0b;
  --accent-dark: #d97706;
  --bg-dark: #0f172a;
  --bg-white: #ffffff;
  --bg-light: #f1f5f9;
  --bg-card: #ffffff;
  --text-primary: #1e293b;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --border: #e2e8f0;
  --radius: 16px;
  --radius-sm: 8px;
  --radius-lg: 24px;
  --shadow: 0 4px 24px rgba(0,0,0,0.06);
  --shadow-lg: 0 12px 48px rgba(0,0,0,0.10);
  --shadow-hover: 0 20px 60px rgba(37,99,235,0.15);
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
  --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --max-width: 1200px;
  --nav-height: 72px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--text-primary);background:var(--bg-light);line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:var(--primary);text-decoration:none;transition:var(--transition)}
a:hover{color:var(--primary-dark)}
img{max-width:100%;height:auto;display:block}
.container{width:100%;max-width:var(--max-width);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%;z-index:1000;height:var(--nav-height);transition:var(--transition);background:rgba(255,255,255,0.08);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid rgba(255,255,255,0.12)}
.site-header.scrolled{background:rgba(255,255,255,0.92);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border-bottom:1px solid var(--border);box-shadow:0 4px 30px rgba(0,0,0,0.06)}
.header-inner{max-width:var(--max-width);margin:0 auto;padding:0 24px;height:100%;display:flex;align-items:center;justify-content:space-between;gap:32px}
.site-logo{font-size:1.5rem;font-weight:800;color:var(--bg-white);display:flex;align-items:center;gap:10px;letter-spacing:-0.5px;white-space:nowrap;transition:var(--transition)}
.site-logo i{color:var(--accent);font-size:1.4rem}
.scrolled .site-logo{color:var(--text-primary)}
.main-nav{display:flex;align-items:center;gap:8px}
.main-nav a{color:rgba(255,255,255,0.85);padding:8px 18px;border-radius:var(--radius-sm);font-size:0.95rem;font-weight:500;transition:var(--transition);display:flex;align-items:center;gap:8px;white-space:nowrap}
.main-nav a:hover,.main-nav a.active{background:rgba(255,255,255,0.15);color:#fff}
.scrolled .main-nav a{color:var(--text-secondary)}
.scrolled .main-nav a:hover,.scrolled .main-nav a.active{background:var(--bg-light);color:var(--primary)}
.main-nav a.nav-cta{background:var(--accent);color:#1e293b!important;font-weight:700;padding:8px 24px;border-radius:50px;box-shadow:0 4px 16px rgba(245,158,11,0.35)}
.main-nav a.nav-cta:hover{background:var(--accent-dark);transform:translateY(-2px);box-shadow:0 8px 24px rgba(245,158,11,0.45)}
.nav-toggle{display:none;background:none;border:none;font-size:1.6rem;color:var(--bg-white);cursor:pointer;padding:8px;transition:var(--transition)}
.scrolled .nav-toggle{color:var(--text-primary)}
@media(max-width:900px){
  .nav-toggle{display:block}
  .main-nav{display:none;position:absolute;top:var(--nav-height);left:0;width:100%;background:rgba(15,23,42,0.98);backdrop-filter:blur(24px);flex-direction:column;padding:20px 24px;gap:6px;border-bottom:1px solid rgba(255,255,255,0.08)}
  .main-nav.open{display:flex}
  .scrolled .main-nav{background:rgba(255,255,255,0.98);border-bottom:1px solid var(--border)}
  .main-nav a{width:100%;justify-content:center;padding:14px 18px;font-size:1.05rem}
  .main-nav a.nav-cta{margin-top:8px}
}

/* Hero Banner */
.article-hero{position:relative;padding:140px 0 80px;background:linear-gradient(135deg, #0f172a 0%, #1e3a5f 50%, #0f172a 100%);overflow:hidden;min-height:360px;display:flex;align-items:center}
.article-hero::before{content:'';position:absolute;inset:0;background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;opacity:0.25;mix-blend-mode:overlay}
.article-hero::after{content:'';position:absolute;inset:0;background:linear-gradient(135deg, rgba(15,23,42,0.85) 0%, rgba(30,58,95,0.70) 100%)}
.article-hero .container{position:relative;z-index:2}
.article-breadcrumb{display:flex;align-items:center;gap:10px;font-size:0.9rem;color:rgba(255,255,255,0.6);margin-bottom:18px;flex-wrap:wrap}
.article-breadcrumb a{color:rgba(255,255,255,0.7);transition:var(--transition)}
.article-breadcrumb a:hover{color:var(--accent)}
.article-breadcrumb i{font-size:0.75rem;color:rgba(255,255,255,0.4)}
.article-hero h1{font-size:2.6rem;font-weight:800;color:#fff;line-height:1.25;margin-bottom:16px;max-width:900px;letter-spacing:-0.5px}
.article-meta-hero{display:flex;flex-wrap:wrap;gap:20px;align-items:center;font-size:0.95rem;color:rgba(255,255,255,0.7)}
.article-meta-hero .tag{display:inline-flex;align-items:center;gap:6px;padding:4px 16px;background:rgba(255,255,255,0.10);border-radius:50px;font-size:0.85rem;color:rgba(255,255,255,0.85);border:1px solid rgba(255,255,255,0.10)}
.article-meta-hero .tag i{color:var(--accent)}
@media(max-width:768px){
  .article-hero{padding:120px 0 56px;min-height:280px}
  .article-hero h1{font-size:1.8rem}
  .article-meta-hero{gap:12px;font-size:0.85rem}
}

/* Main Content */
.article-main{padding:60px 0 80px}
.article-layout{display:grid;grid-template-columns:1fr 320px;gap:48px;align-items:start}
@media(max-width:960px){.article-layout{grid-template-columns:1fr;gap:40px}}

.article-body{background:var(--bg-card);border-radius:var(--radius);box-shadow:var(--shadow);padding:48px;overflow:hidden}
@media(max-width:768px){.article-body{padding:24px;border-radius:12px}}
.article-body .featured-image{border-radius:var(--radius-sm);overflow:hidden;margin-bottom:32px;box-shadow:var(--shadow)}
.article-body .featured-image img{width:100%;height:auto;max-height:500px;object-fit:cover;transition:var(--transition)}
.article-body .featured-image:hover img{transform:scale(1.02)}
.article-content{font-size:1.05rem;line-height:1.9;color:var(--text-primary)}
.article-content p{margin-bottom:1.4em}
.article-content h2,.article-content h3{margin-top:1.8em;margin-bottom:0.6em;font-weight:700;color:var(--text-primary);line-height:1.3}
.article-content h2{font-size:1.6rem}
.article-content h3{font-size:1.25rem}
.article-content ul,.article-content ol{padding-left:1.5em;margin-bottom:1.4em}
.article-content li{margin-bottom:0.4em}
.article-content a{color:var(--primary);font-weight:500;border-bottom:1px solid transparent}
.article-content a:hover{border-bottom-color:var(--primary)}
.article-content blockquote{border-left:4px solid var(--accent);background:var(--bg-light);padding:16px 24px;margin:1.4em 0;border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:var(--text-secondary)}
.article-content img{border-radius:var(--radius-sm);margin:1.4em 0;box-shadow:var(--shadow)}
.article-content code{background:var(--bg-light);padding:2px 10px;border-radius:4px;font-size:0.9em;color:var(--primary-dark)}
.article-footer-info{display:flex;flex-wrap:wrap;gap:16px;margin-top:40px;padding-top:24px;border-top:1px solid var(--border)}
.article-footer-info .info-item{display:flex;align-items:center;gap:8px;font-size:0.9rem;color:var(--text-secondary)}
.article-footer-info .info-item i{color:var(--primary);width:18px}

/* Sidebar */
.article-sidebar{display:flex;flex-direction:column;gap:32px}
.sidebar-card{background:var(--bg-card);border-radius:var(--radius);box-shadow:var(--shadow);padding:28px}
.sidebar-card h3{font-size:1.15rem;font-weight:700;margin-bottom:18px;display:flex;align-items:center;gap:10px;color:var(--text-primary)}
.sidebar-card h3 i{color:var(--accent)}
.sidebar-related{display:flex;flex-direction:column;gap:16px}
.sidebar-related-item{display:flex;gap:14px;align-items:flex-start;padding:12px;border-radius:var(--radius-sm);transition:var(--transition);border:1px solid transparent}
.sidebar-related-item:hover{background:var(--bg-light);border-color:var(--border);transform:translateX(4px)}
.sidebar-related-item img{width:72px;height:56px;object-fit:cover;border-radius:6px;flex-shrink:0;background:var(--bg-light)}
.sidebar-related-item .related-info{flex:1;min-width:0}
.sidebar-related-item .related-title{font-size:0.9rem;font-weight:600;color:var(--text-primary);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.4;margin-bottom:4px;transition:var(--transition)}
.sidebar-related-item:hover .related-title{color:var(--primary)}
.sidebar-related-item .related-date{font-size:0.8rem;color:var(--text-muted)}

.sidebar-cta{background:linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);border-radius:var(--radius);padding:32px 28px;text-align:center;color:#fff}
.sidebar-cta h3{color:#fff!important;justify-content:center;margin-bottom:12px}
.sidebar-cta p{font-size:0.95rem;opacity:0.9;margin-bottom:20px}
.sidebar-cta .btn{background:var(--accent);color:#1e293b;padding:12px 32px;border-radius:50px;font-weight:700;display:inline-flex;align-items:center;gap:8px;transition:var(--transition);box-shadow:0 4px 20px rgba(245,158,11,0.4)}
.sidebar-cta .btn:hover{background:#fff;transform:translateY(-3px);box-shadow:0 8px 28px rgba(245,158,11,0.5)}

/* Related Posts Section */
.related-section{padding:60px 0;background:var(--bg-white)}
.related-section .section-title{font-size:1.8rem;font-weight:800;text-align:center;margin-bottom:40px;color:var(--text-primary)}
.related-section .section-title i{color:var(--accent);margin-right:12px}
.related-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
@media(max-width:960px){.related-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.related-grid{grid-template-columns:1fr}}
.related-card{background:var(--bg-card);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:var(--transition);border:1px solid var(--border)}
.related-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:transparent}
.related-card .card-img{width:100%;height:180px;object-fit:cover;transition:var(--transition)}
.related-card:hover .card-img{transform:scale(1.05)}
.related-card .card-body{padding:20px}
.related-card .card-cat{display:inline-flex;align-items:center;gap:4px;font-size:0.8rem;color:var(--primary);font-weight:600;margin-bottom:8px}
.related-card .card-cat i{font-size:0.7rem}
.related-card .card-title{font-size:1rem;font-weight:700;color:var(--text-primary);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.4;margin-bottom:8px;transition:var(--transition)}
.related-card:hover .card-title{color:var(--primary)}
.related-card .card-excerpt{font-size:0.9rem;color:var(--text-secondary);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.5;margin-bottom:12px}
.related-card .card-meta{font-size:0.8rem;color:var(--text-muted);display:flex;align-items:center;gap:12px}

/* CTA Section */
.cta-section{padding:80px 0;background:linear-gradient(135deg, #0f172a 0%, #1e3a5f 100%);position:relative;overflow:hidden}
.cta-section::before{content:'';position:absolute;inset:0;background:url('/assets/images/backpic/back-3.png') center/cover no-repeat;opacity:0.10;mix-blend-mode:overlay}
.cta-section .container{position:relative;z-index:2;text-align:center}
.cta-section h2{font-size:2.2rem;font-weight:800;color:#fff;margin-bottom:16px}
.cta-section p{font-size:1.1rem;color:rgba(255,255,255,0.75);max-width:600px;margin:0 auto 32px}
.cta-section .btn-group{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.cta-section .btn-primary{background:var(--accent);color:#1e293b;padding:16px 40px;border-radius:50px;font-weight:700;font-size:1.05rem;display:inline-flex;align-items:center;gap:10px;transition:var(--transition);box-shadow:0 8px 32px rgba(245,158,11,0.35)}
.cta-section .btn-primary:hover{transform:translateY(-3px);box-shadow:0 12px 40px rgba(245,158,11,0.5);background:#fff}
.cta-section .btn-secondary{background:rgba(255,255,255,0.10);color:#fff;padding:16px 40px;border-radius:50px;font-weight:600;font-size:1.05rem;display:inline-flex;align-items:center;gap:10px;transition:var(--transition);border:1px solid rgba(255,255,255,0.20)}
.cta-section .btn-secondary:hover{background:rgba(255,255,255,0.20);transform:translateY(-3px)}
@media(max-width:768px){
  .cta-section h2{font-size:1.6rem}
  .cta-section p{font-size:0.95rem}
}

/* Footer */
.site-footer{background:#0b1120;color:rgba(255,255,255,0.7);padding:60px 0 30px;border-top:1px solid rgba(255,255,255,0.05)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:48px;margin-bottom:40px}
@media(max-width:768px){.footer-grid{grid-template-columns:1fr;gap:32px}}
.footer-brand .site-logo{color:#fff;font-size:1.4rem;margin-bottom:16px}
.footer-brand p{font-size:0.95rem;line-height:1.7;color:rgba(255,255,255,0.55);max-width:400px}
.footer-col h4{font-size:1rem;font-weight:700;color:#fff;margin-bottom:18px;letter-spacing:0.5px}
.footer-col a{display:block;color:rgba(255,255,255,0.55);font-size:0.9rem;padding:6px 0;transition:var(--transition);display:flex;align-items:center;gap:8px}
.footer-col a:hover{color:var(--accent);transform:translateX(4px)}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.06);padding-top:24px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:0.85rem;color:rgba(255,255,255,0.35)}
@media(max-width:520px){.footer-bottom{flex-direction:column;text-align:center}}

/* Not Found */
.not-found{text-align:center;padding:48px 24px}
.not-found i{font-size:3rem;color:var(--text-muted);margin-bottom:16px}
.not-found h2{font-size:1.6rem;font-weight:700;color:var(--text-primary);margin-bottom:12px}
.not-found p{color:var(--text-secondary);margin-bottom:20px}
.not-found .btn{display:inline-flex;align-items:center;gap:8px;padding:12px 32px;background:var(--primary);color:#fff;border-radius:50px;font-weight:600;transition:var(--transition)}
.not-found .btn:hover{background:var(--primary-dark);transform:translateY(-2px)}

/* Empty State */
.empty-state{text-align:center;padding:40px 20px;color:var(--text-muted)}
.empty-state i{font-size:2.4rem;margin-bottom:12px;display:block}
.empty-state p{font-size:1rem}

/* Responsive */
@media(max-width:520px){
  .article-hero h1{font-size:1.5rem}
  .article-body{padding:16px}
  .article-content{font-size:0.95rem}
  .sidebar-card{padding:20px}
  .related-section .section-title{font-size:1.4rem}
}