/* roulang page: index */
/* ===== Design Variables ===== */
        :root {
            --primary: #1a3a6b;
            --primary-light: #2a5a9e;
            --primary-dark: #0f2650;
            --accent: #e8542a;
            --accent-light: #f0704a;
            --accent-dark: #c4411e;
            --bg-light: #f8f9fc;
            --bg-card: #ffffff;
            --bg-dark: #0f1a2e;
            --text-dark: #1a2332;
            --text-body: #3a4250;
            --text-muted: #7a8290;
            --text-light: #f0f2f5;
            --border: #e2e6ed;
            --radius: 14px;
            --radius-sm: 8px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 8px 30px rgba(0,0,0,0.08);
            --shadow-lg: 0 20px 50px rgba(0,0,0,0.12);
            --shadow-xl: 0 30px 70px rgba(0,0,0,0.16);
            --spacing-xs: 0.4rem;
            --spacing-sm: 0.8rem;
            --spacing-md: 1.6rem;
            --spacing-lg: 3.2rem;
            --spacing-xl: 5.6rem;
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --font-weight-normal: 400;
            --font-weight-medium: 500;
            --font-weight-semibold: 600;
            --font-weight-bold: 700;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
        }

        /* ===== 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-weight: var(--font-weight-normal);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-body);
            background: var(--bg-light);
        }
        a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
        a:hover { color: var(--accent); }
        a:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
        img { max-width: 100%; height: auto; display: block; }
        button, input, textarea { font-family: inherit; font-size: inherit; border: none; outline: none; }
        button { cursor: pointer; background: none; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { color: var(--text-dark); font-weight: var(--font-weight-bold); line-height: 1.3; }
        h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); }
        h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); }
        h3 { font-size: clamp(1.3rem, 2.5vw, 1.8rem); }
        h4 { font-size: 1.2rem; }

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

        /* ===== Button ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            padding: 0.8rem 2rem;
            border-radius: 50px;
            font-weight: var(--font-weight-semibold);
            font-size: 0.95rem;
            transition: all var(--transition);
            border: 2px solid transparent;
            line-height: 1.4;
            justify-content: center;
        }
        .btn-primary {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
        }
        .btn-primary:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(232,84,42,0.35);
        }
        .btn-primary:active { transform: translateY(0); box-shadow: 0 2px 8px rgba(232,84,42,0.3); }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(26,58,107,0.25);
        }
        .btn-outline-light {
            background: transparent;
            color: #fff;
            border-color: rgba(255,255,255,0.5);
        }
        .btn-outline-light:hover {
            background: rgba(255,255,255,0.15);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-lg { padding: 1rem 2.8rem; font-size: 1.05rem; }
        .btn-sm { padding: 0.5rem 1.4rem; font-size: 0.85rem; }
        .btn .fa-solid, .btn .fa-regular { font-size: 0.9em; }

        /* ===== Badge / Tag ===== */
        .badge {
            display: inline-block;
            padding: 0.25rem 0.9rem;
            border-radius: 50px;
            font-size: 0.78rem;
            font-weight: var(--font-weight-semibold);
            background: var(--primary);
            color: #fff;
            letter-spacing: 0.3px;
        }
        .badge-accent { background: var(--accent); }
        .badge-light { background: rgba(26,58,107,0.1); color: var(--primary); }
        .badge-outline { background: transparent; border: 1.5px solid var(--border); color: var(--text-muted); }

        /* ===== Section ===== */
        .section { padding: var(--spacing-xl) 0; }
        .section-title {
            text-align: center;
            margin-bottom: var(--spacing-lg);
        }
        .section-title h2 { margin-bottom: 0.6rem; }
        .section-title p {
            color: var(--text-muted);
            max-width: 640px;
            margin: 0 auto;
            font-size: 1.05rem;
        }
        .section-title .badge { margin-bottom: 0.8rem; }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255,255,255,0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 1px 6px rgba(0,0,0,0.04);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.7rem var(--spacing-md);
            max-width: var(--max-width);
            margin: 0 auto;
            gap: 1rem;
        }
        .logo {
            font-size: 1.25rem;
            font-weight: var(--font-weight-bold);
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 0.5rem;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .logo:hover { color: var(--primary); }
        .logo i { color: var(--accent); font-size: 1.3em; }
        .nav-main {
            display: flex;
            align-items: center;
            gap: 0.2rem;
        }
        .nav-main a {
            padding: 0.5rem 1.2rem;
            border-radius: 50px;
            font-weight: var(--font-weight-medium);
            color: var(--text-body);
            font-size: 0.92rem;
            transition: all var(--transition);
            position: relative;
        }
        .nav-main a:hover { color: var(--primary); background: rgba(26,58,107,0.06); }
        .nav-main a.active {
            color: var(--primary);
            background: rgba(26,58,107,0.1);
            font-weight: var(--font-weight-semibold);
        }
        .nav-right {
            display: flex;
            align-items: center;
            gap: 0.8rem;
            flex-shrink: 0;
        }
        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg-light);
            border: 1.5px solid var(--border);
            border-radius: 50px;
            padding: 0.3rem 0.3rem 0.3rem 1.2rem;
            transition: all var(--transition);
            min-width: 180px;
        }
        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(26,58,107,0.08);
        }
        .search-box input {
            background: transparent;
            border: none;
            padding: 0.4rem 0;
            font-size: 0.88rem;
            color: var(--text-dark);
            width: 100%;
            outline: none;
        }
        .search-box input::placeholder { color: var(--text-muted); }
        .search-box button {
            background: var(--primary);
            color: #fff;
            border-radius: 50px;
            padding: 0.45rem 1rem;
            font-size: 0.82rem;
            font-weight: var(--font-weight-medium);
            transition: background var(--transition);
            white-space: nowrap;
        }
        .search-box button:hover { background: var(--primary-light); }
        .nav-cta .btn { padding: 0.5rem 1.6rem; font-size: 0.88rem; }
        .mobile-toggle { display: none; flex-direction: column; gap: 4px; cursor: pointer; padding: 4px; }
        .mobile-toggle span { width: 26px; height: 3px; background: var(--text-dark); border-radius: 4px; transition: all var(--transition); }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            padding: var(--spacing-xl) 0;
            min-height: 70vh;
            display: flex;
            align-items: center;
            overflow: hidden;
            background: var(--bg-dark);
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.35;
            z-index: 0;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15,26,46,0.88) 0%, rgba(15,26,46,0.6) 50%, rgba(26,58,107,0.5) 100%);
            z-index: 1;
        }
        .hero .container { position: relative; z-index: 2; }
        .hero-content { max-width: 700px; }
        .hero-content .badge { margin-bottom: 1rem; background: var(--accent); }
        .hero-content h1 { color: #fff; margin-bottom: 1.2rem; }
        .hero-content p {
            color: rgba(255,255,255,0.8);
            font-size: 1.1rem;
            line-height: 1.8;
            margin-bottom: 2rem;
            max-width: 580px;
        }
        .hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }
        .hero-stats {
            display: flex;
            gap: 2.5rem;
            margin-top: 3rem;
            padding-top: 2rem;
            border-top: 1px solid rgba(255,255,255,0.15);
        }
        .hero-stat h3 { color: #fff; font-size: 1.8rem; }
        .hero-stat p { color: rgba(255,255,255,0.6); font-size: 0.9rem; margin: 0; }

        /* ===== Features / Core ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: var(--spacing-md);
        }
        .feature-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: var(--spacing-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }
        .feature-card .icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: rgba(26,58,107,0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--primary);
            margin-bottom: 1rem;
            transition: background var(--transition);
        }
        .feature-card:hover .icon { background: var(--primary); color: #fff; }
        .feature-card h3 { margin-bottom: 0.5rem; }
        .feature-card p { color: var(--text-muted); font-size: 0.95rem; }

        /* ===== Category Section ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: var(--spacing-md);
        }
        .category-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .category-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }
        .category-card .card-img {
            height: 200px;
            background: var(--bg-dark);
            position: relative;
            overflow: hidden;
        }
        .category-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .category-card:hover .card-img img { transform: scale(1.05); }
        .category-card .card-img .overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 1rem;
            background: linear-gradient(transparent, rgba(0,0,0,0.5));
        }
        .category-card .card-img .badge { font-size: 0.75rem; }
        .category-card .card-body { padding: 1.4rem; flex: 1; display: flex; flex-direction: column; }
        .category-card .card-body h3 { margin-bottom: 0.5rem; font-size: 1.2rem; }
        .category-card .card-body p { color: var(--text-muted); font-size: 0.92rem; flex: 1; }
        .category-card .card-body .btn { margin-top: 1rem; align-self: flex-start; }

        /* ===== News / CMS List ===== */
        .news-list { display: flex; flex-direction: column; gap: 1rem; }
        .news-item {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 1.2rem 1.6rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: all var(--transition);
            display: flex;
            align-items: center;
            gap: 1.2rem;
        }
        .news-item:hover {
            box-shadow: var(--shadow-md);
            border-color: transparent;
            transform: translateX(4px);
        }
        .news-item .num {
            font-size: 1.4rem;
            font-weight: var(--font-weight-bold);
            color: var(--primary);
            opacity: 0.3;
            min-width: 36px;
        }
        .news-item .content { flex: 1; }
        .news-item .content h4 { font-size: 1rem; font-weight: var(--font-weight-semibold); margin-bottom: 0.2rem; }
        .news-item .content h4 a { color: var(--text-dark); }
        .news-item .content h4 a:hover { color: var(--accent); }
        .news-item .content .meta {
            display: flex;
            gap: 1rem;
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .news-item .content .meta .cat { color: var(--accent); font-weight: var(--font-weight-medium); }
        .news-item .badge { flex-shrink: 0; }
        .news-empty {
            text-align: center;
            padding: 2.4rem;
            background: var(--bg-card);
            border-radius: var(--radius);
            color: var(--text-muted);
            border: 1px dashed var(--border);
        }

        /* ===== Stats / Data ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: var(--spacing-md);
            text-align: center;
        }
        .stat-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: var(--spacing-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .stat-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
        .stat-card .num { font-size: 2.4rem; font-weight: var(--font-weight-bold); color: var(--primary); }
        .stat-card .label { color: var(--text-muted); font-size: 0.9rem; margin-top: 0.3rem; }
        .stat-card .icon { font-size: 1.8rem; color: var(--accent); margin-bottom: 0.6rem; }

        /* ===== Process / Steps ===== */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: var(--spacing-lg);
            position: relative;
        }
        .process-step {
            text-align: center;
            position: relative;
        }
        .process-step .step-num {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: var(--font-weight-bold);
            font-size: 1.2rem;
            margin: 0 auto 1rem;
        }
        .process-step h4 { margin-bottom: 0.4rem; }
        .process-step p { color: var(--text-muted); font-size: 0.9rem; }

        /* ===== FAQ ===== */
        .faq-list { max-width: 780px; margin: 0 auto; display: flex; flex-direction: column; gap: 0.6rem; }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover { border-color: var(--primary); box-shadow: var(--shadow-sm); }
        .faq-question {
            padding: 1.2rem 1.6rem;
            font-weight: var(--font-weight-semibold);
            color: var(--text-dark);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            transition: background var(--transition);
            font-size: 1rem;
        }
        .faq-question:hover { background: rgba(26,58,107,0.02); }
        .faq-question i { color: var(--accent); transition: transform var(--transition); font-size: 0.85rem; }
        .faq-item.open .faq-question i { transform: rotate(180deg); }
        .faq-answer {
            padding: 0 1.6rem 1.2rem;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-answer { display: block; }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--primary);
            position: relative;
            overflow: hidden;
            border-radius: var(--radius-lg);
            margin: 0 var(--spacing-md);
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.1;
            z-index: 0;
        }
        .cta-inner {
            position: relative;
            z-index: 1;
            padding: var(--spacing-xl) var(--spacing-md);
            text-align: center;
            color: #fff;
        }
        .cta-inner h2 { color: #fff; margin-bottom: 0.8rem; }
        .cta-inner p { color: rgba(255,255,255,0.8); max-width: 560px; margin: 0 auto 1.6rem; }
        .cta-inner .btn-primary { background: #fff; color: var(--primary); border-color: #fff; }
        .cta-inner .btn-primary:hover { background: var(--accent); color: #fff; border-color: var(--accent); box-shadow: 0 8px 24px rgba(0,0,0,0.2); }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255,255,255,0.7);
            padding: var(--spacing-lg) 0 var(--spacing-md);
            margin-top: var(--spacing-xl);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--spacing-lg);
            padding-bottom: var(--spacing-md);
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        .footer-brand .logo { color: #fff; margin-bottom: 0.8rem; font-size: 1.1rem; }
        .footer-brand p { font-size: 0.88rem; max-width: 320px; }
        .footer-col h4 { color: #fff; font-size: 0.95rem; margin-bottom: 1rem; }
        .footer-col a {
            display: block;
            color: rgba(255,255,255,0.6);
            font-size: 0.88rem;
            padding: 0.3rem 0;
            transition: color var(--transition);
        }
        .footer-col a:hover { color: #fff; }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: var(--spacing-md);
            font-size: 0.82rem;
            color: rgba(255,255,255,0.4);
            flex-wrap: wrap;
            gap: 0.8rem;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .nav-main { display: none; }
            .nav-main.open { display: flex; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0; background: rgba(255,255,255,0.98); backdrop-filter: blur(12px); padding: 1rem; border-bottom: 1px solid var(--border); box-shadow: var(--shadow-md); gap: 0.3rem; }
            .nav-main.open a { padding: 0.8rem 1.2rem; border-radius: var(--radius-sm); }
            .mobile-toggle { display: flex; }
            .search-box { min-width: 140px; }
            .search-box input { width: 80px; }
            .nav-cta .btn { padding: 0.4rem 1rem; font-size: 0.82rem; }
            .hero { min-height: 60vh; padding: var(--spacing-lg) 0; }
            .hero-stats { flex-wrap: wrap; gap: 1.2rem; }
            .hero-stat h3 { font-size: 1.4rem; }
            .features-grid { grid-template-columns: 1fr 1fr; }
            .category-grid { grid-template-columns: 1fr; }
            .stats-grid { grid-template-columns: 1fr 1fr; }
            .process-grid { grid-template-columns: 1fr 1fr; gap: var(--spacing-md); }
            .footer-grid { grid-template-columns: 1fr; gap: var(--spacing-md); }
            .footer-bottom { flex-direction: column; text-align: center; }
            .section { padding: var(--spacing-lg) 0; }
            .cta-section { margin: 0 1rem; border-radius: var(--radius); }
            .news-item { flex-direction: column; align-items: flex-start; gap: 0.5rem; }
            .news-item .num { display: none; }
        }
        @media (max-width: 520px) {
            .header-inner { padding: 0.5rem 1rem; gap: 0.5rem; }
            .logo { font-size: 1rem; }
            .logo span { display: none; }
            .search-box { min-width: 100px; }
            .search-box input { width: 60px; }
            .nav-cta .btn { padding: 0.35rem 0.8rem; font-size: 0.78rem; }
            .features-grid { grid-template-columns: 1fr; }
            .stats-grid { grid-template-columns: 1fr; }
            .process-grid { grid-template-columns: 1fr; }
            .hero-actions { flex-direction: column; }
            .hero-content h1 { font-size: 1.8rem; }
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #e74c3c;
            --primary-dark: #c0392b;
            --primary-light: #fadbd8;
            --secondary: #2c3e50;
            --secondary-light: #34495e;
            --accent: #f39c12;
            --accent-light: #fdebd0;
            --bg-body: #f8f9fa;
            --bg-white: #ffffff;
            --bg-dark: #1a1a2e;
            --bg-card: #ffffff;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a6a;
            --text-muted: #8888a0;
            --text-white: #ffffff;
            --border-light: #e8e8f0;
            --border-radius: 12px;
            --border-radius-sm: 8px;
            --border-radius-lg: 20px;
            --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, 0.15);
            --shadow-hover: 0 16px 48px rgba(231, 76, 60, 0.18);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', 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-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-body);
            padding-top: var(--header-height);
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        ul,
        ol {
            list-style: none;
        }

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

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.5px;
            white-space: nowrap;
        }
        .logo i {
            font-size: 1.6rem;
            color: var(--accent);
        }
        .logo a {
            color: inherit;
        }
        .logo a:hover {
            color: var(--primary-dark);
        }

        .nav-main {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-main a {
            padding: 8px 18px;
            border-radius: 50px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
            position: relative;
        }
        .nav-main a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .nav-main a.active {
            color: var(--text-white);
            background: var(--primary);
            box-shadow: 0 4px 16px rgba(231, 76, 60, 0.30);
        }
        .nav-main a.active:hover {
            color: var(--text-white);
            background: var(--primary-dark);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg-body);
            border-radius: 50px;
            padding: 0 16px;
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(231, 76, 60, 0.12);
        }
        .search-box input {
            border: none;
            background: transparent;
            padding: 8px 0;
            width: 160px;
            outline: none;
            color: var(--text-primary);
            font-size: 0.88rem;
        }
        .search-box input::placeholder {
            color: var(--text-muted);
        }
        .search-box i {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-right: 6px;
        }
        .btn-cta-nav {
            padding: 8px 22px;
            border-radius: 50px;
            background: var(--primary);
            color: var(--text-white);
            font-weight: 600;
            font-size: 0.88rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .btn-cta-nav:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(231, 76, 60, 0.30);
            color: var(--text-white);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text-primary);
            cursor: pointer;
            padding: 4px;
        }

        /* ===== Banner / Hero 内页 ===== */
        .page-banner {
            position: relative;
            padding: 80px 0 60px;
            background: linear-gradient(135deg, var(--secondary) 0%, var(--bg-dark) 100%);
            overflow: hidden;
            min-height: 280px;
            display: flex;
            align-items: center;
        }
        .page-banner .banner-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            opacity: 0.25;
            mix-blend-mode: overlay;
        }
        .page-banner .banner-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 46, 0.85) 0%, rgba(44, 62, 80, 0.70) 100%);
        }
        .page-banner .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .page-banner h1 {
            font-size: 3rem;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: -1px;
            line-height: 1.2;
            margin-bottom: 16px;
            text-shadow: 0 4px 30px rgba(0, 0, 0, 0.30);
        }
        .page-banner .banner-sub {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 640px;
            margin: 0 auto 24px;
            line-height: 1.7;
        }
        .page-banner .banner-tags {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 10px;
        }
        .page-banner .banner-tags span {
            padding: 6px 18px;
            border-radius: 50px;
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(4px);
            color: var(--text-white);
            font-size: 0.85rem;
            font-weight: 500;
            border: 1px solid rgba(255, 255, 255, 0.20);
        }

        /* ===== 通用板块 ===== */
        .section {
            padding: 80px 0;
        }
        .section-alt {
            background: var(--bg-white);
        }
        .section-dark {
            background: var(--bg-dark);
            color: var(--text-white);
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            letter-spacing: -0.5px;
            margin-bottom: 12px;
            color: var(--text-primary);
            line-height: 1.3;
        }
        .section-alt .section-title {
            color: var(--text-primary);
        }
        .section-dark .section-title {
            color: var(--text-white);
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 600px;
            margin-bottom: 48px;
            line-height: 1.7;
        }
        .section-dark .section-subtitle {
            color: rgba(255, 255, 255, 0.70);
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== 分类卡片网格 ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .category-card {
            background: var(--bg-card);
            border-radius: var(--border-radius);
            padding: 32px 24px 28px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            cursor: default;
        }
        .category-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary-light);
        }
        .category-card .card-icon {
            width: 64px;
            height: 64px;
            border-radius: 16px;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            font-size: 1.8rem;
            color: var(--primary);
            transition: var(--transition);
        }
        .category-card:hover .card-icon {
            background: var(--primary);
            color: var(--text-white);
            transform: scale(1.05);
        }
        .category-card h3 {
            font-size: 1.2rem;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text-primary);
        }
        .category-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
        }
        .category-card .card-badge {
            display: inline-block;
            margin-top: 14px;
            padding: 4px 14px;
            border-radius: 50px;
            background: var(--accent-light);
            color: var(--accent);
            font-size: 0.78rem;
            font-weight: 600;
        }

        /* ===== 特色区块 ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .feature-item {
            background: var(--bg-card);
            border-radius: var(--border-radius);
            padding: 32px 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .feature-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .feature-item .f-icon {
            font-size: 2rem;
            color: var(--primary);
            margin-bottom: 16px;
        }
        .feature-item h4 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 10px;
            color: var(--text-primary);
        }
        .feature-item p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ===== 资讯卡片列表 ===== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .news-card {
            background: var(--bg-card);
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .news-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
        .news-card .card-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            display: block;
            background: var(--border-light);
        }
        .news-card .card-body {
            padding: 20px 22px 24px;
        }
        .news-card .card-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 50px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 0.75rem;
            font-weight: 600;
            margin-bottom: 10px;
        }
        .news-card .card-body h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.5;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card .card-body p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-top: 14px;
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .news-card .card-meta i {
            margin-right: 4px;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--border-radius-sm);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--primary-light);
        }
        .faq-question {
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-primary);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
            gap: 12px;
        }
        .faq-question i {
            color: var(--primary);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 24px;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        /* ===== CTA ===== */
        .cta-box {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            border-radius: var(--border-radius-lg);
            padding: 56px 48px;
            text-align: center;
            color: var(--text-white);
            position: relative;
            overflow: hidden;
        }
        .cta-box::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iNjAwIiBoZWlnaHQ9IjYwMCIgdmlld0JveD0iMCAwIDYwMCA2MDAiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyI+PGNpcmNsZSBjeD0iMzAwIiBjeT0iMzAwIiByPSIyODAiIGZpbGw9Im5vbmUiIHN0cm9rZT0icmdiYSgyNTUsMjU1LDI1NSwwLjA1KSIgc3Ryb2tlLXdpZHRoPSI0MCIvPjwvc3ZnPg==');
            background-size: cover;
            opacity: 0.3;
        }
        .cta-box h3 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 14px;
            position: relative;
            z-index: 1;
        }
        .cta-box p {
            font-size: 1.05rem;
            opacity: 0.92;
            max-width: 560px;
            margin: 0 auto 28px;
            position: relative;
            z-index: 1;
            line-height: 1.7;
        }
        .cta-box .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 36px;
            border-radius: 50px;
            background: var(--text-white);
            color: var(--primary);
            font-weight: 700;
            font-size: 1rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            position: relative;
            z-index: 1;
        }
        .cta-box .btn-cta:hover {
            background: var(--accent);
            color: var(--text-white);
            transform: translateY(-3px);
            box-shadow: 0 12px 36px rgba(0, 0, 0, 0.20);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.80);
            padding: 56px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }
        .footer-brand .logo {
            color: var(--text-white);
            margin-bottom: 16px;
            font-size: 1.25rem;
        }
        .footer-brand .logo i {
            color: var(--accent);
        }
        .footer-brand p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.60);
            line-height: 1.7;
            max-width: 340px;
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-white);
            margin-bottom: 18px;
        }
        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.60);
            font-size: 0.9rem;
            padding: 4px 0;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-col a i {
            width: 20px;
            margin-right: 6px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.10);
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.50);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .page-banner h1 {
                font-size: 2.4rem;
            }
        }

        @media (max-width: 768px) {
            .nav-main {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 16px 24px;
                gap: 4px;
                border-bottom: 1px solid var(--border-light);
                box-shadow: var(--shadow-md);
            }
            .nav-main.open {
                display: flex;
            }
            .nav-main a {
                padding: 12px 18px;
                width: 100%;
                border-radius: var(--border-radius-sm);
            }
            .mobile-toggle {
                display: block;
            }
            .search-box input {
                width: 100px;
            }
            .btn-cta-nav span {
                display: none;
            }

            .page-banner {
                padding: 60px 0 40px;
                min-height: 220px;
            }
            .page-banner h1 {
                font-size: 1.9rem;
            }
            .page-banner .banner-sub {
                font-size: 1rem;
            }

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

            .category-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .category-card {
                padding: 24px 16px 20px;
            }

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

            .cta-box {
                padding: 40px 24px;
            }
            .cta-box h3 {
                font-size: 1.5rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            :root {
                --header-height: 64px;
            }
            .header-inner {
                padding: 0 16px;
            }
            .logo {
                font-size: 1.1rem;
            }
            .logo i {
                font-size: 1.3rem;
            }
            .search-box input {
                width: 80px;
                font-size: 0.8rem;
            }
            .btn-cta-nav {
                padding: 6px 14px;
                font-size: 0.8rem;
            }

            .page-banner h1 {
                font-size: 1.6rem;
            }
            .page-banner .banner-sub {
                font-size: 0.9rem;
            }

            .section-title {
                font-size: 1.4rem;
            }
            .section-subtitle {
                font-size: 0.92rem;
            }

            .category-grid {
                grid-template-columns: 1fr;
            }
            .category-card .card-icon {
                width: 52px;
                height: 52px;
                font-size: 1.4rem;
            }

            .news-card .card-body {
                padding: 16px 18px 20px;
            }

            .cta-box h3 {
                font-size: 1.3rem;
            }
            .cta-box p {
                font-size: 0.92rem;
            }
            .cta-box .btn-cta {
                padding: 12px 28px;
                font-size: 0.9rem;
            }
        }

/* roulang page: article */
/* ===== Design Variables ===== */
        :root {
            --primary: #1e3a5f;
            --primary-light: #2a5080;
            --primary-dark: #142740;
            --secondary: #c9a84c;
            --secondary-light: #dbbf6a;
            --secondary-dark: #a88d3a;
            --accent: #e85d3a;
            --accent-light: #f07a5a;
            --bg: #f5f6fa;
            --bg-card: #ffffff;
            --bg-dark: #142740;
            --text: #1a1a2e;
            --text-weak: #6c7a8d;
            --text-light: #ffffff;
            --border: #e2e5ed;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 20px;
            --shadow: 0 4px 20px rgba(30, 58, 95, 0.08);
            --shadow-hover: 0 12px 40px rgba(30, 58, 95, 0.16);
            --shadow-btn: 0 4px 14px rgba(201, 168, 76, 0.35);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --max-width: 1200px;
            --nav-height: 72px;
        }

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

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

        body {
            font-family: var(--font);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--secondary);
        }

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

        ul,
        ol {
            list-style: none;
        }

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

        /* ===== Header & Navigation ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .logo {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: -0.3px;
            white-space: nowrap;
        }
        .logo i {
            color: var(--secondary);
            font-size: 1.5rem;
        }
        .logo:hover {
            color: var(--primary);
        }

        .nav-main {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-main a {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-weak);
            transition: all var(--transition);
            position: relative;
        }
        .nav-main a:hover {
            color: var(--primary);
            background: rgba(30, 58, 95, 0.06);
        }
        .nav-main a.active {
            color: var(--primary);
            background: rgba(30, 58, 95, 0.1);
            font-weight: 600;
        }
        .nav-main a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--secondary);
            border-radius: 4px;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .nav-actions .search-box {
            display: flex;
            align-items: center;
            background: var(--bg);
            border-radius: 40px;
            padding: 0 16px;
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .nav-actions .search-box:focus-within {
            border-color: var(--secondary);
            box-shadow: 0 0 0 3px rgba(201, 168, 76, 0.15);
        }
        .nav-actions .search-box input {
            background: transparent;
            padding: 8px 8px 8px 4px;
            font-size: 0.9rem;
            width: 160px;
            color: var(--text);
        }
        .nav-actions .search-box input::placeholder {
            color: var(--text-weak);
        }
        .nav-actions .search-box button {
            background: transparent;
            color: var(--text-weak);
            cursor: pointer;
            padding: 6px;
            font-size: 0.95rem;
            transition: color var(--transition);
        }
        .nav-actions .search-box button:hover {
            color: var(--secondary);
        }

        .btn-cta {
            background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
            color: var(--text-light) !important;
            padding: 10px 24px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.9rem;
            box-shadow: var(--shadow-btn);
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }
        .btn-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(201, 168, 76, 0.45);
            color: var(--text-light) !important;
        }
        .btn-cta:active {
            transform: translateY(0);
        }

        /* Mobile Menu Toggle */
        .menu-toggle {
            display: none;
            background: transparent;
            font-size: 1.5rem;
            color: var(--primary);
            cursor: pointer;
            padding: 6px;
            border-radius: 6px;
            transition: background var(--transition);
        }
        .menu-toggle:hover {
            background: rgba(30, 58, 95, 0.06);
        }

        /* ===== Article Banner ===== */
        .article-banner {
            position: relative;
            padding: 100px 0 80px;
            background: var(--primary-dark);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            color: var(--text-light);
            overflow: hidden;
        }
        .article-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(20, 39, 64, 0.88) 0%, rgba(30, 58, 95, 0.72) 100%);
            z-index: 1;
        }
        .article-banner .container {
            position: relative;
            z-index: 2;
        }
        .article-banner .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 28px;
        }
        .article-banner .breadcrumb a {
            color: rgba(255, 255, 255, 0.8);
            transition: color var(--transition);
        }
        .article-banner .breadcrumb a:hover {
            color: var(--secondary);
        }
        .article-banner .breadcrumb span {
            color: var(--secondary-light);
        }
        .article-banner .breadcrumb i {
            font-size: 0.7rem;
        }

        .article-banner .category-tag {
            display: inline-block;
            background: var(--secondary);
            color: var(--text-light);
            padding: 4px 18px;
            border-radius: 40px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .article-banner h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.25;
            max-width: 800px;
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }
        .article-banner .meta {
            display: flex;
            align-items: center;
            gap: 24px;
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.75);
        }
        .article-banner .meta i {
            margin-right: 6px;
            color: var(--secondary-light);
        }

        /* ===== Article Content ===== */
        .article-section {
            padding: 60px 0 80px;
        }
        .article-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 48px;
        }

        .article-main {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 48px 52px;
            box-shadow: var(--shadow);
        }

        .article-body {
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--text);
        }
        .article-body h2 {
            font-size: 1.6rem;
            font-weight: 700;
            margin: 40px 0 16px;
            color: var(--primary);
        }
        .article-body h3 {
            font-size: 1.25rem;
            font-weight: 600;
            margin: 32px 0 12px;
            color: var(--primary-light);
        }
        .article-body p {
            margin-bottom: 18px;
        }
        .article-body ul,
        .article-body ol {
            margin: 16px 0 20px;
            padding-left: 24px;
        }
        .article-body ul li {
            list-style: disc;
            margin-bottom: 8px;
        }
        .article-body ol li {
            list-style: decimal;
            margin-bottom: 8px;
        }
        .article-body img {
            border-radius: var(--radius);
            margin: 28px 0;
            box-shadow: var(--shadow);
        }
        .article-body blockquote {
            border-left: 4px solid var(--secondary);
            background: rgba(201, 168, 76, 0.08);
            padding: 18px 24px;
            margin: 24px 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
            color: var(--primary);
        }
        .article-body a {
            color: var(--secondary-dark);
            border-bottom: 1px solid transparent;
            transition: border-color var(--transition);
        }
        .article-body a:hover {
            border-color: var(--secondary-dark);
        }

        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 40px;
            padding-top: 32px;
            border-top: 1px solid var(--border);
        }
        .article-tags .tag {
            display: inline-block;
            background: var(--bg);
            color: var(--text-weak);
            padding: 6px 18px;
            border-radius: 40px;
            font-size: 0.85rem;
            font-weight: 500;
            transition: all var(--transition);
            border: 1px solid var(--border);
        }
        .article-tags .tag:hover {
            background: var(--secondary);
            color: var(--text-light);
            border-color: var(--secondary);
        }

        .article-share {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-top: 24px;
            padding-top: 20px;
            border-top: 1px solid var(--border);
        }
        .article-share span {
            font-size: 0.9rem;
            color: var(--text-weak);
            font-weight: 500;
        }
        .article-share a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--bg);
            color: var(--text-weak);
            font-size: 1.1rem;
            transition: all var(--transition);
            border: 1px solid var(--border);
        }
        .article-share a:hover {
            background: var(--secondary);
            color: var(--text-light);
            border-color: var(--secondary);
            transform: translateY(-2px);
        }

        /* ===== Sidebar ===== */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 32px;
        }
        .sidebar-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 28px 24px;
            box-shadow: var(--shadow);
        }
        .sidebar-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--secondary);
        }
        .sidebar-card .side-link {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid var(--border);
            transition: all var(--transition);
            color: var(--text);
        }
        .sidebar-card .side-link:last-child {
            border-bottom: none;
        }
        .sidebar-card .side-link:hover {
            color: var(--secondary);
            padding-left: 6px;
        }
        .sidebar-card .side-link i {
            color: var(--secondary);
            font-size: 0.9rem;
            width: 20px;
        }
        .sidebar-card .side-link span {
            font-size: 0.92rem;
        }

        .sidebar-cta {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: var(--text-light);
            border-radius: var(--radius);
            padding: 32px 24px;
            text-align: center;
            box-shadow: var(--shadow);
        }
        .sidebar-cta h4 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .sidebar-cta p {
            font-size: 0.9rem;
            opacity: 0.85;
            margin-bottom: 20px;
            line-height: 1.6;
        }
        .sidebar-cta .btn-cta {
            display: inline-flex;
        }

        /* ===== Related Posts ===== */
        .related-section {
            padding: 60px 0;
            background: var(--bg-card);
        }
        .related-section .section-title {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary);
            text-align: center;
            margin-bottom: 12px;
        }
        .related-section .section-sub {
            text-align: center;
            color: var(--text-weak);
            margin-bottom: 40px;
            font-size: 1rem;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .related-card {
            background: var(--bg);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all var(--transition);
            border: 1px solid var(--border);
        }
        .related-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
        .related-card .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }
        .related-card .card-body {
            padding: 20px 22px 24px;
        }
        .related-card .card-body .cat {
            font-size: 0.8rem;
            color: var(--secondary);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .related-card .card-body h4 {
            font-size: 1.1rem;
            font-weight: 600;
            margin: 8px 0 10px;
            color: var(--text);
            line-height: 1.4;
        }
        .related-card .card-body p {
            font-size: 0.9rem;
            color: var(--text-weak);
            line-height: 1.6;
        }
        .related-card .card-body .read-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 14px;
            font-weight: 600;
            color: var(--primary);
            font-size: 0.9rem;
            transition: gap var(--transition);
        }
        .related-card .card-body .read-more:hover {
            gap: 12px;
            color: var(--secondary);
        }

        /* ===== FAQ Section ===== */
        .faq-section {
            padding: 70px 0;
            background: var(--bg);
        }
        .faq-section .section-title {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary);
            text-align: center;
            margin-bottom: 12px;
        }
        .faq-section .section-sub {
            text-align: center;
            color: var(--text-weak);
            margin-bottom: 44px;
            font-size: 1rem;
        }
        .faq-grid {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: box-shadow var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow);
        }
        .faq-question {
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text);
            transition: color var(--transition);
            user-select: none;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question i {
            color: var(--secondary);
            transition: transform var(--transition);
            font-size: 0.9rem;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 24px;
            color: var(--text-weak);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            padding: 80px 0;
            background: var(--primary-dark);
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            color: var(--text-light);
            text-align: center;
            position: relative;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(20, 39, 64, 0.9) 0%, rgba(30, 58, 95, 0.8) 100%);
            z-index: 1;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 16px;
            letter-spacing: -0.3px;
        }
        .cta-section p {
            font-size: 1.05rem;
            opacity: 0.85;
            max-width: 600px;
            margin: 0 auto 32px;
            line-height: 1.7;
        }
        .cta-section .btn-cta {
            font-size: 1.05rem;
            padding: 14px 36px;
        }
        .cta-section .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--text-light);
            border: 2px solid rgba(255, 255, 255, 0.3);
            padding: 12px 28px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition);
            margin-left: 14px;
        }
        .cta-section .btn-outline:hover {
            border-color: var(--secondary);
            background: var(--secondary);
            color: var(--text-light);
            transform: translateY(-2px);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 60px 0 32px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo {
            color: var(--text-light);
            font-size: 1.3rem;
            margin-bottom: 16px;
        }
        .footer-brand .logo i {
            color: var(--secondary);
        }
        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            opacity: 0.75;
            max-width: 320px;
        }
        .footer-col h4 {
            color: var(--text-light);
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 18px;
            letter-spacing: 0.3px;
        }
        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.9rem;
            padding: 5px 0;
            transition: all var(--transition);
        }
        .footer-col a:hover {
            color: var(--secondary);
            padding-left: 4px;
        }
        .footer-col a i {
            width: 20px;
            margin-right: 6px;
            color: var(--secondary);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.85rem;
            opacity: 0.6;
        }

        /* ===== Not Found ===== */
        .not-found-box {
            text-align: center;
            padding: 80px 20px;
        }
        .not-found-box i {
            font-size: 4rem;
            color: var(--secondary);
            margin-bottom: 20px;
        }
        .not-found-box h2 {
            font-size: 1.8rem;
            color: var(--primary);
            margin-bottom: 12px;
        }
        .not-found-box p {
            color: var(--text-weak);
            margin-bottom: 24px;
        }
        .not-found-box .btn-cta {
            display: inline-flex;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr;
            }
            .article-sidebar {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .article-banner h1 {
                font-size: 2rem;
            }
        }

        @media (max-width: 768px) {
            :root {
                --nav-height: 64px;
            }
            .nav-main {
                position: fixed;
                top: var(--nav-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 20px 40px rgba(0, 0, 0, 0.1);
                transform: translateY(-120%);
                opacity: 0;
                transition: all 0.4s ease;
                border-radius: 0 0 var(--radius) var(--radius);
                z-index: 999;
            }
            .nav-main.open {
                transform: translateY(0);
                opacity: 1;
            }
            .nav-main a {
                padding: 12px 16px;
                width: 100%;
                border-radius: var(--radius-sm);
            }
            .nav-main a.active::after {
                display: none;
            }
            .menu-toggle {
                display: block;
            }
            .nav-actions .search-box input {
                width: 120px;
            }
            .nav-actions .btn-cta span {
                display: none;
            }

            .article-banner {
                padding: 70px 0 50px;
            }
            .article-banner h1 {
                font-size: 1.6rem;
            }
            .article-banner .meta {
                flex-wrap: wrap;
                gap: 12px;
                font-size: 0.85rem;
            }
            .article-main {
                padding: 28px 20px;
            }
            .article-body {
                font-size: 0.98rem;
            }
            .article-body h2 {
                font-size: 1.3rem;
            }

            .article-sidebar {
                grid-template-columns: 1fr;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }
            .cta-section .btn-outline {
                margin-left: 0;
                margin-top: 12px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .header-inner {
                padding: 0 16px;
            }
            .nav-actions .search-box input {
                width: 90px;
                font-size: 0.8rem;
            }
            .article-banner h1 {
                font-size: 1.35rem;
            }
            .article-main {
                padding: 20px 16px;
            }
            .related-card .card-img {
                height: 170px;
            }
            .faq-question {
                font-size: 0.92rem;
                padding: 14px 16px;
            }
            .faq-answer {
                font-size: 0.88rem;
            }
            .sidebar-card {
                padding: 20px 18px;
            }
            .cta-section {
                padding: 60px 0;
            }
            .cta-section h2 {
                font-size: 1.35rem;
            }
            .cta-section p {
                font-size: 0.92rem;
            }
            .section-title {
                font-size: 1.4rem !important;
            }
        }