/* roulang page: index */
/* ===== Design Variables ===== */
        :root {
            --primary: #1B2A4A;
            --primary-light: #2C3E7A;
            --primary-dark: #0F1A30;
            --accent: #C8952E;
            --accent-light: #E0B04E;
            --accent-dark: #A67B1E;
            --bg: #F7F8FA;
            --bg-alt: #EDEEF2;
            --bg-white: #FFFFFF;
            --text: #1A1A2E;
            --text-light: #6B7280;
            --text-muted: #9CA3AF;
            --border: #E5E7EB;
            --border-light: #F0F1F3;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
            --shadow-lg: 0 12px 40px rgba(0,0,0,0.10);
            --shadow-xl: 0 24px 60px rgba(0,0,0,0.12);
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            --container-max: 1200px;
            --header-h: 72px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
        }
        a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
        a:hover, a:focus { color: var(--accent); }
        a:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; border-radius: 2px; }
        img { max-width: 100%; height: auto; display: block; }
        button, input, select, textarea { font-family: inherit; font-size: inherit; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.25; font-weight: 700; color: var(--primary-dark); }
        h1 { font-size: clamp(2rem, 5vw, 3.2rem); }
        h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); margin-bottom: 0.5em; }
        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; }

        /* ===== Foundation Overrides ===== */
        .grid-container { max-width: var(--container-max); padding-left: 24px; padding-right: 24px; }
        .grid-x { margin-left: -12px; margin-right: -12px; }
        .cell { padding-left: 12px; padding-right: 12px; }

        /* ===== Header & Navigation ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            height: var(--header-h);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled { box-shadow: var(--shadow-md); }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            gap: 20px;
        }
        .site-logo {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .site-logo span { color: var(--accent); }
        .site-logo:hover { color: var(--primary); opacity: 0.9; }

        /* Search Bar (Nav Center) */
        .nav-search {
            flex: 1;
            max-width: 480px;
            margin: 0 16px;
            position: relative;
        }
        .nav-search form { display: flex; align-items: center; width: 100%; }
        .nav-search input[type="text"] {
            width: 100%;
            padding: 10px 44px 10px 18px;
            border: 2px solid var(--border);
            border-radius: 100px;
            background: var(--bg);
            font-size: 0.9rem;
            color: var(--text);
            outline: none;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .nav-search input[type="text"]:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 4px rgba(200, 149, 46, 0.12);
            background: var(--bg-white);
        }
        .nav-search input[type="text"]::placeholder { color: var(--text-muted); }
        .nav-search button {
            position: absolute;
            right: 6px;
            top: 50%;
            transform: translateY(-50%);
            background: var(--accent);
            border: none;
            color: #fff;
            width: 34px;
            height: 34px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: background var(--transition), transform var(--transition);
        }
        .nav-search button:hover { background: var(--accent-dark); transform: translateY(-50%) scale(1.05); }
        .nav-search button i { font-size: 0.85rem; }

        /* Nav Links */
        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }
        .nav-links a {
            padding: 8px 16px;
            border-radius: 100px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-light);
            transition: background var(--transition), color var(--transition);
        }
        .nav-links a:hover { background: var(--bg-alt); color: var(--primary); }
        .nav-links a.active { background: var(--primary); color: #fff; }
        .nav-links a.active:hover { background: var(--primary-light); }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.4rem;
            color: var(--primary);
            padding: 8px;
            cursor: pointer;
            border-radius: var(--radius-sm);
            transition: background var(--transition);
        }
        .nav-toggle:hover { background: var(--bg-alt); }

        /* Mobile Nav Panel */
        .mobile-nav-panel {
            display: none;
            position: fixed;
            top: var(--header-h);
            left: 0;
            right: 0;
            background: var(--bg-white);
            border-bottom: 2px solid var(--border);
            box-shadow: var(--shadow-lg);
            padding: 16px 24px;
            z-index: 999;
            flex-direction: column;
            gap: 8px;
            transform: translateY(-10px);
            opacity: 0;
            transition: transform 0.3s ease, opacity 0.3s ease;
            pointer-events: none;
        }
        .mobile-nav-panel.open {
            transform: translateY(0);
            opacity: 1;
            pointer-events: auto;
        }
        .mobile-nav-panel a {
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            font-size: 1rem;
            font-weight: 500;
            color: var(--text);
            transition: background var(--transition);
        }
        .mobile-nav-panel a:hover { background: var(--bg-alt); }
        .mobile-nav-panel a.active { background: var(--primary); color: #fff; }
        .mobile-nav-panel .mobile-search { margin-bottom: 8px; }
        .mobile-nav-panel .mobile-search input {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid var(--border);
            border-radius: 100px;
            background: var(--bg);
            font-size: 0.95rem;
            outline: none;
        }
        .mobile-nav-panel .mobile-search input:focus { border-color: var(--accent); }

        /* ===== Hero Section ===== */
        .hero {
            position: relative;
            min-height: 580px;
            display: flex;
            align-items: center;
            background: var(--primary-dark);
            overflow: hidden;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
            opacity: 0.35;
            z-index: 0;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(27,42,74,0.92) 0%, rgba(27,42,74,0.70) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 780px;
            margin: 0 auto;
            padding: 80px 24px;
            text-align: center;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(200, 149, 46, 0.18);
            color: var(--accent-light);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 6px 18px;
            border-radius: 100px;
            letter-spacing: 0.05em;
            margin-bottom: 24px;
            border: 1px solid rgba(200, 149, 46, 0.25);
            backdrop-filter: blur(4px);
        }
        .hero h1 {
            color: #fff;
            font-size: clamp(2.2rem, 5.5vw, 3.6rem);
            font-weight: 800;
            line-height: 1.15;
            margin-bottom: 20px;
            letter-spacing: -0.01em;
            text-shadow: 0 2px 20px rgba(0,0,0,0.2);
        }
        .hero h1 span { color: var(--accent-light); }
        .hero p {
            color: rgba(255,255,255,0.8);
            font-size: clamp(1rem, 2vw, 1.2rem);
            line-height: 1.7;
            max-width: 620px;
            margin: 0 auto 32px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 32px;
            border-radius: 100px;
            font-weight: 600;
            font-size: 0.95rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            text-decoration: none;
        }
        .btn-primary {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 16px rgba(200, 149, 46, 0.30);
        }
        .btn-primary:hover { background: var(--accent-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 28px rgba(200, 149, 46, 0.35); }
        .btn-secondary {
            background: rgba(255,255,255,0.10);
            color: #fff;
            border: 1px solid rgba(255,255,255,0.20);
            backdrop-filter: blur(4px);
        }
        .btn-secondary:hover { background: rgba(255,255,255,0.18); color: #fff; transform: translateY(-2px); }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--border);
        }
        .btn-outline:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); box-shadow: var(--shadow-md); }

        /* ===== Section Shared ===== */
        .section { padding: 80px 0; }
        .section-alt { background: var(--bg-alt); }
        .section-white { background: var(--bg-white); }
        .section-title {
            text-align: center;
            margin-bottom: 56px;
        }
        .section-title h2 { margin-bottom: 12px; }
        .section-title p {
            max-width: 600px;
            margin: 0 auto;
            color: var(--text-light);
            font-size: 1.05rem;
        }
        .section-title .title-tag {
            display: inline-block;
            background: rgba(200, 149, 46, 0.10);
            color: var(--accent);
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: 100px;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        /* ===== Feature Cards ===== */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 28px;
        }
        .feature-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 32px 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            text-align: center;
        }
        .feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: rgba(200,149,46,0.15); }
        .feature-card .icon-wrap {
            width: 60px;
            height: 60px;
            margin: 0 auto 18px;
            background: rgba(200, 149, 46, 0.08);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--accent);
            transition: background var(--transition), transform var(--transition);
        }
        .feature-card:hover .icon-wrap { background: rgba(200, 149, 46, 0.15); transform: scale(1.05); }
        .feature-card h3 { font-size: 1.2rem; margin-bottom: 8px; }
        .feature-card p { font-size: 0.92rem; color: var(--text-light); margin-bottom: 0; }

        /* ===== Cover Cards (图文卡片) ===== */
        .cover-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 28px;
        }
        .cover-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .cover-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
        .cover-card .cover-img {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            display: block;
        }
        .cover-card .cover-body {
            padding: 22px 24px 26px;
        }
        .cover-card .cover-body h3 {
            font-size: 1.1rem;
            margin-bottom: 6px;
        }
        .cover-card .cover-body p {
            font-size: 0.9rem;
            color: var(--text-light);
            margin-bottom: 12px;
        }
        .cover-card .cover-tag {
            display: inline-block;
            background: rgba(27,42,74,0.06);
            color: var(--primary);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 100px;
        }

        /* ===== Stats / Social Proof ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: 32px;
            text-align: center;
        }
        .stat-item .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.1;
            letter-spacing: -0.02em;
        }
        .stat-item .stat-number span { color: var(--accent); }
        .stat-item .stat-label {
            font-size: 0.9rem;
            color: var(--text-light);
            margin-top: 6px;
        }

        /* ===== Steps / Process ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 24px;
            counter-reset: step;
        }
        .step-card {
            text-align: center;
            padding: 32px 20px;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            position: relative;
        }
        .step-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
        .step-card::before {
            counter-increment: step;
            content: counter(step);
            display: block;
            width: 44px;
            height: 44px;
            margin: 0 auto 16px;
            background: var(--primary);
            color: #fff;
            font-size: 1.1rem;
            font-weight: 700;
            border-radius: 50%;
            line-height: 44px;
            transition: background var(--transition);
        }
        .step-card:hover::before { background: var(--accent); }
        .step-card h4 { font-size: 1.05rem; margin-bottom: 6px; }
        .step-card p { font-size: 0.88rem; color: var(--text-light); margin-bottom: 0; }

        /* ===== FAQ ===== */
        .faq-list { max-width: 760px; margin: 0 auto; }
        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
            background: var(--bg-white);
            transition: box-shadow var(--transition);
        }
        .faq-item:hover { box-shadow: var(--shadow-sm); }
        .faq-question {
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            transition: background var(--transition), color var(--transition);
        }
        .faq-question:hover { background: var(--bg-alt); }
        .faq-question::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 0.8rem;
            color: var(--text-muted);
            transition: transform var(--transition);
        }
        .faq-item.open .faq-question::after { transform: rotate(180deg); }
        .faq-item.open .faq-question { color: var(--primary); }
        .faq-answer {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }
        .faq-answer p { font-size: 0.92rem; color: var(--text-light); margin-bottom: 0; }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--primary);
            padding: 80px 0;
            text-align: center;
        }
        .cta-section h2 { color: #fff; margin-bottom: 12px; }
        .cta-section p { color: rgba(255,255,255,0.75); max-width: 560px; margin: 0 auto 28px; font-size: 1.05rem; }
        .cta-section .btn-primary { background: var(--accent); box-shadow: 0 6px 24px rgba(200,149,46,0.35); }
        .cta-section .btn-primary:hover { background: var(--accent-light); transform: translateY(-2px); box-shadow: 0 10px 36px rgba(200,149,46,0.40); }

        /* ===== CMS List ===== */
        .cms-list { display: grid; grid-template-columns: 1fr; gap: 16px; }
        .cms-item {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            background: var(--bg-white);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            gap: 12px;
        }
        .cms-item:hover { box-shadow: var(--shadow-md); transform: translateX(4px); border-color: rgba(200,149,46,0.15); }
        .cms-item .cms-info { flex: 1; min-width: 200px; }
        .cms-item .cms-title { font-size: 1rem; font-weight: 600; color: var(--text); margin-bottom: 2px; }
        .cms-item .cms-title a { color: var(--text); }
        .cms-item .cms-title a:hover { color: var(--accent); }
        .cms-item .cms-summary { font-size: 0.85rem; color: var(--text-light); }
        .cms-item .cms-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .cms-item .cms-cat {
            font-size: 0.75rem;
            background: rgba(27,42,74,0.06);
            color: var(--primary);
            padding: 4px 12px;
            border-radius: 100px;
            font-weight: 500;
        }
        .cms-item .cms-date {
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .cms-empty {
            text-align: center;
            padding: 48px 24px;
            color: var(--text-muted);
            font-size: 1rem;
            background: var(--bg-white);
            border-radius: var(--radius-sm);
            border: 1px dashed var(--border);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary-dark);
            padding: 56px 0 28px;
            color: rgba(255,255,255,0.6);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .site-logo { color: #fff; font-size: 1.25rem; margin-bottom: 12px; display: inline-block; }
        .footer-brand p { font-size: 0.88rem; color: rgba(255,255,255,0.5); max-width: 320px; }
        .footer-col h5 { color: #fff; font-size: 0.95rem; font-weight: 700; margin-bottom: 16px; }
        .footer-col a {
            display: block;
            color: rgba(255,255,255,0.5);
            font-size: 0.88rem;
            padding: 4px 0;
            transition: color var(--transition);
        }
        .footer-col a:hover { color: var(--accent-light); }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 12px;
            font-size: 0.82rem;
            color: rgba(255,255,255,0.35);
        }
        .footer-bottom a { color: rgba(255,255,255,0.35); }
        .footer-bottom a:hover { color: var(--accent-light); }

        /* ===== Responsive ===== */
        @media (max-width: 900px) {
            .nav-search { max-width: 320px; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .footer-brand { grid-column: 1 / -1; }
        }
        @media (max-width: 768px) {
            :root { --header-h: 64px; }
            .nav-search { display: none; }
            .nav-links { display: none; }
            .nav-toggle { display: block; }
            .mobile-nav-panel { display: flex; }
            .hero { min-height: 460px; }
            .hero-content { padding: 60px 20px; }
            .section { padding: 56px 0; }
            .feature-grid { grid-template-columns: 1fr 1fr; }
            .cover-grid { grid-template-columns: 1fr 1fr; }
            .steps-grid { grid-template-columns: 1fr 1fr; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr; gap: 28px; }
            .cms-item { flex-direction: column; align-items: flex-start; }
        }
        @media (max-width: 520px) {
            .feature-grid { grid-template-columns: 1fr; }
            .cover-grid { grid-template-columns: 1fr; }
            .steps-grid { grid-template-columns: 1fr; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
            .stat-item .stat-number { font-size: 2rem; }
            .hero h1 { font-size: 1.8rem; }
            .hero-actions { flex-direction: column; align-items: center; }
            .btn { width: 100%; justify-content: center; }
            .section-title { margin-bottom: 36px; }
            .footer-bottom { flex-direction: column; text-align: center; }
        }

        /* ===== Accessibility ===== */
        @media (prefers-reduced-motion: reduce) {
            *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
        }
        .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

        /* ===== Utility ===== */
        .text-center { text-align: center; }
        .mt-1 { margin-top: 12px; }
        .mt-2 { margin-top: 24px; }
        .mb-1 { margin-bottom: 12px; }
        .mb-2 { margin-bottom: 24px; }
        .gap-sm { gap: 8px; }
        .gap-md { gap: 16px; }

/* roulang page: article */
:root {
            --primary: #e53935;
            --primary-dark: #b71c1c;
            --primary-light: #ffebee;
            --secondary: #ff8f00;
            --accent: #1565c0;
            --bg: #fafafa;
            --bg-alt: #f5f5f5;
            --bg-dark: #1a1a2e;
            --text: #212121;
            --text-light: #616161;
            --text-white: #ffffff;
            --border: #e0e0e0;
            --radius: 12px;
            --radius-sm: 8px;
            --shadow: 0 4px 20px rgba(0,0,0,0.08);
            --shadow-hover: 0 12px 40px rgba(0,0,0,0.15);
            --transition: 0.3s ease;
            --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --max-width: 1200px;
        }

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

        html { scroll-behavior: smooth; }

        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

        /* ===== Header / Nav ===== */
        .site-header {
            background: #ffffff;
            box-shadow: 0 2px 16px rgba(0,0,0,0.06);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid var(--border);
        }

        .header-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            gap: 24px;
            height: 70px;
        }

        .site-logo {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.5px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 2px;
        }
        .site-logo span { color: var(--text); font-weight: 300; }
        .site-logo:hover { color: var(--primary-dark); }
        .site-logo:hover span { color: var(--text); }

        .nav-search {
            flex: 1;
            max-width: 480px;
            margin: 0 auto;
        }
        .nav-search form {
            display: flex;
            background: var(--bg-alt);
            border-radius: 50px;
            border: 1px solid var(--border);
            overflow: hidden;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .nav-search form:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(229,57,53,0.15);
        }
        .nav-search input {
            flex: 1;
            padding: 10px 18px;
            border: none;
            background: transparent;
            font-size: 0.95rem;
            outline: none;
            color: var(--text);
        }
        .nav-search input::placeholder { color: var(--text-light); }
        .nav-search button {
            background: transparent;
            border: none;
            padding: 0 18px;
            color: var(--text-light);
            cursor: pointer;
            font-size: 1rem;
            transition: color var(--transition);
        }
        .nav-search button:hover { color: var(--primary); }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }
        .nav-links a {
            padding: 8px 18px;
            border-radius: 50px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text);
            transition: background var(--transition), color var(--transition);
        }
        .nav-links a:hover { background: var(--primary-light); color: var(--primary); }
        .nav-links a.active { background: var(--primary); color: #fff; }
        .nav-links a.active:hover { background: var(--primary-dark); }

        .nav-toggle { display: none; background: none; border: none; font-size: 1.5rem; color: var(--text); cursor: pointer; padding: 8px; }

        /* ===== Article Hero ===== */
        .article-hero {
            position: relative;
            padding: 80px 0 60px;
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
            color: var(--text-white);
            overflow: hidden;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.15;
            z-index: 0;
        }
        .article-hero .container { position: relative; z-index: 1; }
        .article-hero .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 0.9rem;
            color: rgba(255,255,255,0.7);
            margin-bottom: 24px;
        }
        .article-hero .breadcrumb a { color: rgba(255,255,255,0.8); }
        .article-hero .breadcrumb a:hover { color: #fff; }
        .article-hero .breadcrumb span { color: rgba(255,255,255,0.5); }
        .article-hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.25;
            max-width: 880px;
            margin-bottom: 20px;
        }
        .article-hero .meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            font-size: 0.95rem;
            color: rgba(255,255,255,0.75);
        }
        .article-hero .meta i { margin-right: 6px; }
        .article-hero .meta .category-tag {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            padding: 4px 16px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
        }

        /* ===== Article Content ===== */
        .article-main {
            padding: 60px 0 80px;
        }
        .article-layout {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 48px;
        }
        .article-body {
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 48px 40px;
            font-size: 1.05rem;
            line-height: 1.9;
        }
        .article-body h2 { font-size: 1.6rem; margin-top: 36px; margin-bottom: 16px; color: var(--text); font-weight: 700; }
        .article-body h3 { font-size: 1.25rem; margin-top: 28px; margin-bottom: 12px; color: var(--text); font-weight: 600; }
        .article-body p { margin-bottom: 18px; color: var(--text); }
        .article-body ul, .article-body ol { margin-bottom: 18px; padding-left: 24px; }
        .article-body li { margin-bottom: 8px; }
        .article-body a { color: var(--accent); text-decoration: underline; }
        .article-body a:hover { color: var(--primary); }
        .article-body img { border-radius: var(--radius-sm); margin: 24px 0; }
        .article-body blockquote {
            border-left: 4px solid var(--primary);
            background: var(--primary-light);
            padding: 16px 24px;
            margin: 24px 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
            color: var(--text-light);
        }

        .article-not-found {
            text-align: center;
            padding: 80px 20px;
        }
        .article-not-found i { font-size: 4rem; color: var(--text-light); margin-bottom: 20px; }
        .article-not-found h2 { font-size: 1.8rem; color: var(--text); margin-bottom: 12px; }
        .article-not-found p { color: var(--text-light); margin-bottom: 24px; }
        .article-not-found .btn { display: inline-block; }

        /* ===== Sidebar ===== */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 32px;
        }
        .sidebar-card {
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 28px 24px;
        }
        .sidebar-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .sidebar-card h4 i { color: var(--primary); }
        .sidebar-card ul { list-style: none; padding: 0; }
        .sidebar-card ul li { margin-bottom: 12px; }
        .sidebar-card ul li a {
            color: var(--text-light);
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: color var(--transition);
        }
        .sidebar-card ul li a:hover { color: var(--primary); }
        .sidebar-card ul li a i { width: 16px; color: var(--primary); font-size: 0.8rem; }
        .sidebar-cta {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            border-radius: var(--radius);
            padding: 32px 24px;
            text-align: center;
        }
        .sidebar-cta h4 { color: #fff; font-size: 1.2rem; margin-bottom: 12px; }
        .sidebar-cta p { color: rgba(255,255,255,0.85); font-size: 0.95rem; margin-bottom: 20px; }
        .sidebar-cta .btn {
            background: #fff;
            color: var(--primary);
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 700;
            display: inline-block;
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .sidebar-cta .btn:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.2); }

        /* ===== Related Posts ===== */
        .related-section {
            background: var(--bg-alt);
            padding: 60px 0;
        }
        .related-section h2 {
            text-align: center;
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .related-section .subtitle {
            text-align: center;
            color: var(--text-light);
            margin-bottom: 40px;
            font-size: 1.05rem;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .related-card {
            background: #fff;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .related-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
        .related-card .card-img {
            height: 200px;
            background: var(--bg-alt);
            overflow: hidden;
        }
        .related-card .card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
        .related-card:hover .card-img img { transform: scale(1.05); }
        .related-card .card-body { padding: 24px; }
        .related-card .card-body h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; line-height: 1.4; }
        .related-card .card-body h3 a { color: var(--text); }
        .related-card .card-body h3 a:hover { color: var(--primary); }
        .related-card .card-body p { font-size: 0.9rem; color: var(--text-light); margin-bottom: 12px; }
        .related-card .card-body .meta { font-size: 0.8rem; color: var(--text-light); display: flex; align-items: center; gap: 16px; }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 60px 0;
            background: #fff;
        }
        .faq-section h2 {
            text-align: center;
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .faq-section .subtitle {
            text-align: center;
            color: var(--text-light);
            margin-bottom: 40px;
        }
        .faq-grid {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-alt);
            border-radius: var(--radius-sm);
            padding: 20px 24px;
            border: 1px solid var(--border);
            transition: border-color var(--transition);
        }
        .faq-item:hover { border-color: var(--primary); }
        .faq-item summary {
            font-weight: 600;
            font-size: 1.05rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text);
        }
        .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(--primary);
            transition: transform 0.3s ease;
        }
        .faq-item[open] summary::after { transform: rotate(180deg); }
        .faq-item .faq-answer {
            padding-top: 16px;
            color: var(--text-light);
            line-height: 1.7;
            font-size: 0.95rem;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 60px 0;
            background: linear-gradient(135deg, #1a1a2e, #16213e);
            color: #fff;
            text-align: center;
        }
        .cta-section h2 { font-size: 2rem; font-weight: 700; margin-bottom: 16px; }
        .cta-section p { font-size: 1.1rem; color: rgba(255,255,255,0.8); max-width: 600px; margin: 0 auto 32px; }
        .cta-section .btn-group { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
        .cta-section .btn {
            padding: 14px 36px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.05rem;
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .cta-section .btn-primary { background: var(--primary); color: #fff; }
        .cta-section .btn-primary:hover { background: var(--primary-dark); transform: translateY(-3px); box-shadow: 0 8px 24px rgba(229,57,53,0.4); }
        .cta-section .btn-outline { border: 2px solid rgba(255,255,255,0.3); color: #fff; background: transparent; }
        .cta-section .btn-outline:hover { border-color: #fff; transform: translateY(-3px); }

        /* ===== Footer ===== */
        .site-footer {
            background: #111;
            color: rgba(255,255,255,0.7);
            padding: 60px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        .footer-brand .site-logo { font-size: 1.5rem; margin-bottom: 16px; display: inline-block; }
        .footer-brand .site-logo span { color: rgba(255,255,255,0.6); }
        .footer-brand p { font-size: 0.95rem; line-height: 1.7; max-width: 360px; color: rgba(255,255,255,0.6); }
        .footer-col h5 { color: #fff; font-size: 1.05rem; margin-bottom: 20px; font-weight: 700; }
        .footer-col a { display: block; color: rgba(255,255,255,0.6); font-size: 0.95rem; margin-bottom: 12px; transition: color var(--transition); }
        .footer-col a:hover { color: var(--primary); }
        .footer-bottom {
            padding: 24px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.4);
        }
        .footer-bottom span a { color: rgba(255,255,255,0.5); }
        .footer-bottom span a:hover { color: var(--primary); }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            text-decoration: none;
        }
        .btn-primary { background: var(--primary); color: #fff; }
        .btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(229,57,53,0.3); }
        .btn-outline { border: 2px solid var(--primary); color: var(--primary); background: transparent; }
        .btn-outline:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }
        .btn-sm { padding: 8px 20px; font-size: 0.85rem; }

        /* ===== 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); }
        }

        @media (max-width: 768px) {
            .header-inner { gap: 12px; height: 60px; }
            .site-logo { font-size: 1.3rem; }
            .nav-search { max-width: 200px; }
            .nav-search input { padding: 8px 12px; font-size: 0.85rem; }
            .nav-search button { padding: 0 12px; }
            .nav-links { display: none; }
            .nav-links.open { display: flex; flex-direction: column; position: absolute; top: 60px; left: 0; right: 0; background: #fff; padding: 16px 24px; box-shadow: 0 8px 24px rgba(0,0,0,0.1); gap: 4px; }
            .nav-links.open a { padding: 12px 18px; border-radius: var(--radius-sm); }
            .nav-toggle { display: block; }

            .article-hero { padding: 48px 0 40px; }
            .article-hero h1 { font-size: 1.8rem; }
            .article-hero .meta { gap: 12px; font-size: 0.85rem; }

            .article-body { padding: 24px 20px; font-size: 1rem; }
            .article-body h2 { font-size: 1.3rem; }
            .article-body h3 { font-size: 1.1rem; }

            .article-sidebar { grid-template-columns: 1fr; }

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

            .footer-grid { grid-template-columns: 1fr; gap: 32px; }
            .footer-bottom { flex-direction: column; text-align: center; }

            .cta-section h2 { font-size: 1.5rem; }
        }

        @media (max-width: 520px) {
            .header-inner { gap: 8px; }
            .site-logo { font-size: 1.1rem; }
            .nav-search { max-width: 120px; }
            .nav-search input { padding: 6px 10px; font-size: 0.8rem; }
            .nav-search button { padding: 0 8px; font-size: 0.85rem; }
            .article-hero h1 { font-size: 1.4rem; }
            .article-body { padding: 16px; }
            .article-body h2 { font-size: 1.15rem; }
            .related-card .card-img { height: 160px; }
            .cta-section .btn { width: 100%; justify-content: center; }
            .faq-item { padding: 16px; }
            .faq-item summary { font-size: 0.95rem; }
        }

        /* Foundation overrides */
        .grid-container { max-width: var(--max-width); padding-left: 24px; padding-right: 24px; }
        .cell { margin-bottom: 0; }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #1a73e8;
            --primary-dark: #0d47a1;
            --primary-light: #4a9eff;
            --secondary: #ff6f00;
            --secondary-light: #ffa040;
            --accent: #00bcd4;
            --bg-body: #f5f7fc;
            --bg-white: #ffffff;
            --bg-card: #ffffff;
            --bg-dark: #0b1a2e;
            --bg-dark-soft: #132d4a;
            --text-dark: #1a2332;
            --text-body: #3d4a5c;
            --text-light: #7b8a9e;
            --text-white: #f0f4ff;
            --border-light: #e2e8f0;
            --border-focus: #1a73e8;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.07);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.10);
            --shadow-hover: 0 20px 50px rgba(0, 0, 0, 0.14);
            --transition: 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-sans: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --container-max: 1200px;
            --nav-height: 72px;
            --footer-bg: #0b1a2e;
        }

        /* ===== Base Reset ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; font-size: 16px; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font-sans);
            background: var(--bg-body);
            color: var(--text-body);
            line-height: 1.65;
            min-height: 100vh;
            padding-top: var(--nav-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; border-radius: var(--radius-md); }
        ul, ol { list-style: none; padding: 0; margin: 0; }
        h1, h2, h3, h4, h5, h6 { color: var(--text-dark); font-weight: 700; line-height: 1.3; letter-spacing: 0.01em; }
        p { margin-bottom: 0.75rem; }
        .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }
        .container { max-width: var(--container-max); margin: 0 auto; padding: 0 24px; }
        .section-pad { padding: 5rem 0; }
        @media (max-width: 768px) { .section-pad { padding: 3rem 0; } .container { padding: 0 16px; } }

        /* ===== Foundation Overrides ===== */
        .grid-container { max-width: var(--container-max); padding-left: 20px; padding-right: 20px; }
        .cell { margin-bottom: 1.5rem; }
        .button { border-radius: var(--radius-sm); font-weight: 600; transition: var(--transition); border: none; font-family: var(--font-sans); }
        .button:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
        .button.primary { background: var(--primary); }
        .button.primary:hover { background: var(--primary-dark); }
        .button.secondary { background: var(--secondary); }
        .button.secondary:hover { background: #e65100; }
        .badge { background: var(--primary-light); color: #fff; padding: 0.2rem 0.8rem; border-radius: 20px; font-size: 0.75rem; font-weight: 500; display: inline-block; }

        /* ===== Header / Navigation ===== */
        .site-header {
            position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
            height: var(--nav-height); background: rgba(255,255,255,0.92);
            backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255,255,255,0.25);
            box-shadow: 0 1px 20px rgba(0,0,0,0.05);
            transition: var(--transition);
        }
        .header-inner {
            max-width: var(--container-max); margin: 0 auto; padding: 0 24px;
            display: flex; align-items: center; height: 100%; gap: 1.2rem;
        }
        .site-logo {
            font-size: 1.5rem; font-weight: 800; color: var(--primary-dark);
            letter-spacing: -0.02em; white-space: nowrap;
        }
        .site-logo span { color: var(--secondary); }
        .site-logo:hover { color: var(--primary); }
        .nav-search {
            flex: 1; max-width: 420px; margin: 0 auto;
        }
        .nav-search form {
            display: flex; align-items: center;
            background: var(--bg-body); border-radius: 40px;
            border: 1px solid var(--border-light);
            transition: var(--transition); overflow: hidden;
        }
        .nav-search form:focus-within { border-color: var(--border-focus); box-shadow: 0 0 0 3px rgba(26,115,232,0.12); }
        .nav-search input {
            flex: 1; border: none; background: transparent;
            padding: 0.6rem 1.2rem; font-size: 0.9rem;
            outline: none; font-family: var(--font-sans); color: var(--text-dark);
        }
        .nav-search input::placeholder { color: var(--text-light); font-weight: 300; }
        .nav-search button {
            background: transparent; border: none; padding: 0.6rem 1.2rem;
            color: var(--text-light); cursor: pointer; font-size: 1rem;
            transition: var(--transition);
        }
        .nav-search button:hover { color: var(--primary); }
        .nav-links { display: flex; align-items: center; gap: 0.4rem; flex-shrink: 0; }
        .nav-links a {
            padding: 0.5rem 1rem; border-radius: 30px;
            font-size: 0.9rem; font-weight: 500; color: var(--text-body);
            transition: var(--transition); white-space: nowrap;
        }
        .nav-links a:hover { background: rgba(26,115,232,0.08); color: var(--primary); }
        .nav-links a.active { background: var(--primary); color: #fff; box-shadow: 0 2px 12px rgba(26,115,232,0.25); }
        .nav-toggle { display: none; background: transparent; border: none; font-size: 1.5rem; color: var(--text-dark); cursor: pointer; padding: 0.3rem 0.6rem; border-radius: var(--radius-sm); }
        .nav-toggle:hover { background: rgba(0,0,0,0.04); }

        @media (max-width: 868px) {
            .nav-search { max-width: 200px; }
            .nav-links a { padding: 0.4rem 0.7rem; font-size: 0.82rem; }
        }
        @media (max-width: 768px) {
            .header-inner { padding: 0 12px; gap: 0.6rem; }
            .nav-search { order: 3; flex: 0 1 auto; max-width: 140px; }
            .nav-search input { padding: 0.5rem 0.8rem; font-size: 0.8rem; }
            .nav-search button { padding: 0.5rem 0.6rem; }
            .nav-links { display: none; position: absolute; top: var(--nav-height); left: 0; right: 0; background: rgba(255,255,255,0.98); backdrop-filter: blur(12px); flex-direction: column; padding: 1rem 1.5rem; border-bottom: 1px solid var(--border-light); box-shadow: var(--shadow-md); }
            .nav-links.open { display: flex; }
            .nav-links a { width: 100%; padding: 0.7rem 1rem; border-radius: var(--radius-sm); }
            .nav-toggle { display: block; }
        }
        @media (max-width: 520px) {
            .site-logo { font-size: 1.2rem; }
            .nav-search { max-width: 100px; }
            .nav-search input { padding: 0.4rem 0.6rem; font-size: 0.72rem; }
        }

        /* ===== Hero Banner ===== */
        .category-hero {
            position: relative;
            background: linear-gradient(135deg, #0b1a2e 0%, #132d4a 50%, #1a3a5c 100%);
            padding: 5rem 0 4rem;
            overflow: hidden;
            min-height: 420px;
            display: flex; align-items: center;
        }
        .category-hero::before {
            content: '';
            position: absolute; inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
            opacity: 0.15;
            mix-blend-mode: overlay;
        }
        .category-hero .hero-content { position: relative; z-index: 2; color: var(--text-white); }
        .category-hero h1 { font-size: 2.8rem; font-weight: 900; color: #fff; margin-bottom: 1rem; letter-spacing: -0.01em; }
        .category-hero h1 span { color: var(--secondary-light); }
        .category-hero .hero-sub { font-size: 1.15rem; color: rgba(255,255,255,0.78); max-width: 700px; margin-bottom: 2rem; font-weight: 300; }
        .hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }
        .hero-actions .button { padding: 0.85rem 2.2rem; font-size: 1rem; border-radius: 40px; }
        .hero-actions .button.outline { background: transparent; border: 2px solid rgba(255,255,255,0.5); color: #fff; }
        .hero-actions .button.outline:hover { background: rgba(255,255,255,0.1); border-color: #fff; }
        .hero-stats { display: flex; gap: 2.5rem; margin-top: 2.5rem; flex-wrap: wrap; }
        .hero-stats .stat-item { text-align: center; }
        .hero-stats .stat-num { font-size: 1.8rem; font-weight: 800; color: #fff; line-height: 1.2; }
        .hero-stats .stat-label { font-size: 0.85rem; color: rgba(255,255,255,0.6); font-weight: 300; }
        @media (max-width: 768px) {
            .category-hero { padding: 3.5rem 0 2.5rem; min-height: 320px; }
            .category-hero h1 { font-size: 1.8rem; }
            .category-hero .hero-sub { font-size: 0.95rem; }
            .hero-stats { gap: 1.5rem; }
            .hero-stats .stat-num { font-size: 1.4rem; }
        }
        @media (max-width: 520px) {
            .category-hero h1 { font-size: 1.5rem; }
            .hero-actions .button { padding: 0.6rem 1.4rem; font-size: 0.85rem; }
        }

        /* ===== Section Titles ===== */
        .section-title { font-size: 2rem; font-weight: 800; color: var(--text-dark); margin-bottom: 0.6rem; letter-spacing: -0.01em; }
        .section-sub { font-size: 1rem; color: var(--text-light); max-width: 600px; margin-bottom: 2.5rem; font-weight: 300; }
        .section-title-center { text-align: center; }
        .section-sub-center { margin-left: auto; margin-right: auto; text-align: center; }
        @media (max-width: 768px) { .section-title { font-size: 1.5rem; } .section-sub { font-size: 0.9rem; } }

        /* ===== Cards ===== */
        .card-modern {
            background: var(--bg-card); border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm); padding: 1.8rem 1.5rem;
            transition: var(--transition); border: 1px solid rgba(255,255,255,0.6);
            height: 100%; display: flex; flex-direction: column;
        }
        .card-modern:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: transparent; }
        .card-modern .card-icon { font-size: 2.2rem; color: var(--primary); margin-bottom: 1rem; }
        .card-modern .card-icon .icon-bg { display: inline-flex; width: 60px; height: 60px; background: rgba(26,115,232,0.08); border-radius: 16px; align-items: center; justify-content: center; font-size: 1.8rem; }
        .card-modern h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 0.6rem; }
        .card-modern p { font-size: 0.92rem; color: var(--text-light); flex: 1; }
        .card-modern .card-tag { margin-top: 1rem; display: flex; gap: 0.4rem; flex-wrap: wrap; }
        .card-modern .card-tag span { background: var(--bg-body); padding: 0.2rem 0.8rem; border-radius: 20px; font-size: 0.72rem; color: var(--text-light); }

        /* ===== 流程步骤 ===== */
        .steps-wrap { display: flex; gap: 2rem; flex-wrap: wrap; justify-content: center; counter-reset: step; }
        .step-item { flex: 1 1 180px; max-width: 220px; text-align: center; position: relative; padding-top: 1.5rem; }
        .step-item::before { counter-increment: step; content: counter(step); position: absolute; top: -0.2rem; left: 50%; transform: translateX(-50%); width: 40px; height: 40px; background: var(--primary); color: #fff; font-weight: 800; font-size: 1.1rem; border-radius: 50%; display: flex; align-items: center; justify-content: center; box-shadow: 0 4px 16px rgba(26,115,232,0.25); }
        .step-item .step-icon { font-size: 2.4rem; color: var(--primary); margin-bottom: 0.6rem; }
        .step-item h4 { font-size: 1.05rem; font-weight: 700; margin-bottom: 0.3rem; }
        .step-item p { font-size: 0.85rem; color: var(--text-light); }

        /* ===== 场景卡片 ===== */
        .scene-card { position: relative; border-radius: var(--radius-lg); overflow: hidden; height: 280px; background: var(--bg-dark-soft); display: flex; align-items: flex-end; cursor: pointer; transition: var(--transition); }
        .scene-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0.5; transition: var(--transition); }
        .scene-card:hover img { opacity: 0.3; transform: scale(1.05); }
        .scene-card .scene-overlay { position: relative; z-index: 2; padding: 1.5rem; background: linear-gradient(transparent 20%, rgba(0,0,0,0.7)); width: 100%; }
        .scene-card h4 { color: #fff; font-size: 1.2rem; font-weight: 700; margin-bottom: 0.2rem; }
        .scene-card p { color: rgba(255,255,255,0.7); font-size: 0.85rem; }

        /* ===== FAQ ===== */
        .faq-list { max-width: 800px; margin: 0 auto; }
        .faq-item { border-bottom: 1px solid var(--border-light); padding: 1.2rem 0; }
        .faq-question { font-weight: 600; color: var(--text-dark); cursor: pointer; display: flex; justify-content: space-between; align-items: center; font-size: 1.05rem; }
        .faq-question i { color: var(--text-light); transition: var(--transition); font-size: 0.9rem; }
        .faq-question.open i { transform: rotate(180deg); }
        .faq-answer { padding-top: 0.8rem; color: var(--text-body); font-size: 0.92rem; display: none; line-height: 1.7; }
        .faq-answer.show { display: block; }

        /* ===== CTA ===== */
        .cta-section { background: linear-gradient(135deg, #0b1a2e, #1a3a5c); color: #fff; text-align: center; padding: 4rem 0; position: relative; overflow: hidden; }
        .cta-section::before { content: ''; position: absolute; inset: 0; background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat; opacity: 0.08; }
        .cta-section .container { position: relative; z-index: 2; }
        .cta-section h2 { font-size: 2rem; font-weight: 800; color: #fff; margin-bottom: 0.6rem; }
        .cta-section p { color: rgba(255,255,255,0.7); font-size: 1.05rem; max-width: 600px; margin: 0 auto 2rem; }
        .cta-section .button { padding: 0.9rem 2.8rem; font-size: 1.1rem; border-radius: 40px; background: var(--secondary); }
        .cta-section .button:hover { background: #e65100; transform: translateY(-3px); }

        /* ===== Footer ===== */
        .site-footer { background: var(--footer-bg); color: rgba(255,255,255,0.7); padding: 3.5rem 0 1.5rem; }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 2.5rem; margin-bottom: 2rem; }
        .footer-brand .site-logo { font-size: 1.4rem; color: #fff; }
        .footer-brand .site-logo span { color: var(--secondary-light); }
        .footer-brand p { font-size: 0.88rem; color: rgba(255,255,255,0.5); margin-top: 0.8rem; max-width: 340px; }
        .footer-col h5 { color: #fff; font-size: 0.95rem; font-weight: 600; margin-bottom: 1rem; }
        .footer-col a { display: block; color: rgba(255,255,255,0.55); font-size: 0.85rem; padding: 0.3rem 0; transition: var(--transition); }
        .footer-col a:hover { color: #fff; padding-left: 4px; }
        .footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding-top: 1.5rem; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 0.8rem; font-size: 0.8rem; color: rgba(255,255,255,0.35); }
        @media (max-width: 768px) { .footer-grid { grid-template-columns: 1fr; gap: 1.5rem; } .footer-bottom { flex-direction: column; text-align: center; } }

        /* ===== Misc ===== */
        .bg-soft { background: var(--bg-body); }
        .bg-white { background: #fff; }
        .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; }
        .img-rounded { border-radius: var(--radius-lg); }

        /* ===== 响应式微调 ===== */
        @media (max-width: 520px) {
            .hero-stats .stat-item { flex: 1 1 80px; }
            .step-item { flex: 1 1 140px; max-width: 160px; }
            .scene-card { height: 200px; }
        }