/* roulang page: index */
/* ========== Design Variables ========== */
        :root {
            --primary: #1B2A4A;
            --primary-light: #2D4A7A;
            --primary-dark: #0F1A2E;
            --accent: #C8A96E;
            --accent-light: #E0C88A;
            --accent-dark: #A8884E;
            --bg-light: #F5F7FA;
            --bg-white: #FFFFFF;
            --text-primary: #1B2A4A;
            --text-secondary: #6B7A8D;
            --text-muted: #9AABBB;
            --border-color: #E8ECF0;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(27,42,74,0.06);
            --shadow-md: 0 8px 30px rgba(27,42,74,0.10);
            --shadow-lg: 0 20px 60px rgba(27,42,74,0.12);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --nav-height: 72px;
            --container-padding: 24px;
        }

        /* ========== Reset / Base ========== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font-sans);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-white);
        }
        a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
        a:hover { color: var(--accent); }
        img { max-width: 100%; height: auto; display: block; }
        button, input, textarea { font-family: inherit; font-size: inherit; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.25; font-weight: 600; color: var(--text-primary); }
        h1 { font-size: 2.8rem; letter-spacing: -0.02em; }
        h2 { font-size: 2.2rem; letter-spacing: -0.01em; }
        h3 { font-size: 1.5rem; }
        p { color: var(--text-secondary); margin-bottom: 1rem; }

        /* ========== Container ========== */
        .container { max-width: 1200px; margin: 0 auto; padding: 0 var(--container-padding); }

        /* ========== Navigation ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255,255,255,0.96);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-color);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .logo {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.01em;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .logo i { color: var(--accent); font-size: 1.2rem; }
        .logo:hover { color: var(--primary); opacity: 0.9; }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
        }
        .nav-links a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            position: relative;
            padding: 4px 0;
            transition: color var(--transition);
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: width var(--transition);
        }
        .nav-links a:hover { color: var(--primary); }
        .nav-links a:hover::after { width: 100%; }
        .nav-links a.active { color: var(--primary); font-weight: 600; }
        .nav-links a.active::after { width: 100%; }
        .nav-cta {
            background: var(--primary);
            color: #fff !important;
            padding: 10px 24px !important;
            border-radius: 50px;
            font-weight: 500;
            font-size: 0.9rem;
            transition: background var(--transition), transform var(--transition);
        }
        .nav-cta:hover { background: var(--primary-light); color: #fff !important; transform: translateY(-1px); }
        .nav-cta::after { display: none !important; }
        .nav-toggle { display: none; background: none; border: none; font-size: 1.6rem; color: var(--primary); cursor: pointer; padding: 4px 8px; }

        /* ========== Hero ========== */
        .hero {
            position: relative;
            min-height: 88vh;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, #0F1A2E 0%, #1B2A4A 60%, #2D4A7A 100%);
            overflow: hidden;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.25;
            mix-blend-mode: overlay;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(200,169,110,0.08) 0%, transparent 70%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 780px;
            padding: 80px 0;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(200,169,110,0.18);
            color: var(--accent-light);
            padding: 8px 20px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 24px;
            border: 1px solid rgba(200,169,110,0.25);
        }
        .hero h1 {
            font-size: 3.4rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.15;
            margin-bottom: 20px;
            letter-spacing: -0.02em;
        }
        .hero h1 span { color: var(--accent); }
        .hero p {
            font-size: 1.2rem;
            color: rgba(255,255,255,0.78);
            line-height: 1.7;
            margin-bottom: 36px;
            max-width: 640px;
        }
        .hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--accent);
            color: var(--primary-dark);
            padding: 14px 36px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            border: none;
            transition: all var(--transition);
        }
        .btn-primary-custom:hover { background: var(--accent-light); color: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 12px 40px rgba(200,169,110,0.30); }
        .btn-outline-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            padding: 14px 36px;
            border-radius: 50px;
            font-weight: 500;
            font-size: 1rem;
            border: 1.5px solid rgba(255,255,255,0.30);
            transition: all var(--transition);
        }
        .btn-outline-custom:hover { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.55); color: #fff; }

        /* ========== Section ========== */
        .section { padding: 100px 0; }
        .section-alt { background: var(--bg-light); }
        .section-dark { background: var(--primary); }
        .section-dark h2, .section-dark h3 { color: #fff; }
        .section-dark p { color: rgba(255,255,255,0.72); }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.12em;
            color: var(--accent);
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 2.4rem;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }
        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 680px;
            margin: 0 auto 48px;
        }

        /* ========== Cards ========== */
        .card-custom {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 32px 28px;
            transition: all var(--transition);
            height: 100%;
        }
        .card-custom:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: transparent; }
        .card-custom .icon-wrap {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-sm);
            background: rgba(200,169,110,0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            font-size: 1.6rem;
            color: var(--accent);
        }
        .card-custom h3 { font-size: 1.25rem; font-weight: 600; margin-bottom: 10px; }
        .card-custom p { font-size: 0.95rem; color: var(--text-secondary); margin-bottom: 0; }

        /* ========== Feature / Coverage ========== */
        .feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 28px; }

        /* ========== About Block ========== */
        .about-block { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
        .about-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .about-image img { width: 100%; height: 100%; object-fit: cover; min-height: 360px; }
        .about-text h2 { margin-bottom: 20px; }
        .about-text ul { margin-top: 20px; }
        .about-text ul li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            margin-bottom: 14px;
            font-size: 1rem;
            color: var(--text-secondary);
        }
        .about-text ul li i { color: var(--accent); font-size: 1.1rem; margin-top: 4px; }

        /* ========== CMS List ========== */
        .cms-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; }
        .cms-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 24px 24px 20px;
            transition: all var(--transition);
        }
        .cms-card:hover { box-shadow: var(--shadow-md); border-color: transparent; transform: translateY(-3px); }
        .cms-card .meta { display: flex; align-items: center; gap: 14px; font-size: 0.82rem; color: var(--text-muted); margin-bottom: 10px; }
        .cms-card .meta .tag { background: rgba(200,169,110,0.12); color: var(--accent-dark); padding: 2px 12px; border-radius: 50px; font-weight: 500; }
        .cms-card h4 { font-size: 1.1rem; font-weight: 600; margin-bottom: 8px; }
        .cms-card h4 a { color: var(--text-primary); }
        .cms-card h4 a:hover { color: var(--accent); }
        .cms-card p { font-size: 0.9rem; color: var(--text-secondary); margin-bottom: 0; }

        /* ========== Process ========== */
        .process-steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 32px; counter-reset: step; }
        .step-item {
            text-align: center;
            padding: 32px 20px;
            background: rgba(255,255,255,0.04);
            border-radius: var(--radius-md);
            border: 1px solid rgba(255,255,255,0.08);
            position: relative;
            transition: all var(--transition);
        }
        .step-item:hover { background: rgba(255,255,255,0.08); border-color: rgba(200,169,110,0.25); }
        .step-item .step-num {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--accent);
            color: var(--primary-dark);
            font-weight: 700;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
        }
        .step-item h4 { color: #fff; font-size: 1.15rem; font-weight: 600; margin-bottom: 8px; }
        .step-item p { font-size: 0.9rem; color: rgba(255,255,255,0.65); margin-bottom: 0; }

        /* ========== Stats ========== */
        .stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 32px; text-align: center; }
        .stat-item .stat-number { font-size: 2.8rem; font-weight: 700; color: var(--accent); line-height: 1.2; }
        .stat-item .stat-label { font-size: 0.95rem; color: var(--text-secondary); margin-top: 4px; }

        /* ========== FAQ ========== */
        .faq-list { max-width: 800px; margin: 0 auto; }
        .faq-item {
            border-bottom: 1px solid var(--border-color);
            padding: 20px 0;
        }
        .faq-item:first-child { border-top: 1px solid var(--border-color); }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-primary);
            cursor: pointer;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            padding: 4px 0;
            transition: color var(--transition);
        }
        .faq-question:hover { color: var(--accent); }
        .faq-question i { font-size: 1.1rem; color: var(--text-muted); transition: transform var(--transition); }
        .faq-question[aria-expanded="true"] i { transform: rotate(180deg); }
        .faq-answer {
            font-size: 0.95rem;
            color: var(--text-secondary);
            padding-top: 12px;
            line-height: 1.7;
        }

        /* ========== CTA ========== */
        .cta-block {
            background: linear-gradient(135deg, #1B2A4A 0%, #2D4A7A 100%);
            border-radius: var(--radius-lg);
            padding: 72px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-block::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
            opacity: 0.08;
            mix-blend-mode: overlay;
        }
        .cta-block h2 { color: #fff; font-size: 2.2rem; margin-bottom: 16px; position: relative; }
        .cta-block p { color: rgba(255,255,255,0.75); font-size: 1.1rem; max-width: 560px; margin: 0 auto 32px; position: relative; }
        .cta-block .btn-primary-custom { font-size: 1.05rem; padding: 16px 44px; }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--primary-dark);
            padding: 60px 0 32px;
            border-top: 1px solid rgba(255,255,255,0.06);
        }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
        .footer-brand .logo { color: #fff; margin-bottom: 16px; }
        .footer-brand p { font-size: 0.9rem; color: rgba(255,255,255,0.55); max-width: 320px; }
        .footer-col h5 { color: #fff; font-size: 1rem; font-weight: 600; margin-bottom: 18px; }
        .footer-col a {
            display: block;
            font-size: 0.9rem;
            color: rgba(255,255,255,0.55);
            margin-bottom: 10px;
            transition: color var(--transition);
        }
        .footer-col a:hover { color: var(--accent); }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.06);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.4);
        }
        .footer-bottom a { color: rgba(255,255,255,0.4); }
        .footer-bottom a:hover { color: var(--accent); }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            h1 { font-size: 2.4rem; }
            h2 { font-size: 1.9rem; }
            .hero h1 { font-size: 2.8rem; }
            .about-block { grid-template-columns: 1fr; gap: 40px; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .nav-links { display: none; }
            .nav-links.open { display: flex; flex-direction: column; position: absolute; top: var(--nav-height); left: 0; right: 0; background: rgba(255,255,255,0.98); backdrop-filter: blur(16px); padding: 24px 32px; border-bottom: 1px solid var(--border-color); gap: 20px; align-items: flex-start; }
            .nav-toggle { display: block; }
            .hero { min-height: 70vh; }
            .hero h1 { font-size: 2.2rem; }
            .hero p { font-size: 1rem; }
            .section { padding: 64px 0; }
            .section-title { font-size: 1.8rem; }
            .cta-block { padding: 48px 24px; }
            .cta-block h2 { font-size: 1.7rem; }
            .process-steps { grid-template-columns: 1fr 1fr; }
            .footer-grid { grid-template-columns: 1fr; gap: 28px; }
            .stats-grid { grid-template-columns: 1fr 1fr; }
            .hero-actions { flex-direction: column; align-items: flex-start; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            h1 { font-size: 1.9rem; }
            .hero h1 { font-size: 1.8rem; }
            .section-title { font-size: 1.5rem; }
            .process-steps { grid-template-columns: 1fr; }
            .stats-grid { grid-template-columns: 1fr; }
            .feature-grid { grid-template-columns: 1fr; }
            .cms-list { grid-template-columns: 1fr; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .hero-badge { font-size: 0.75rem; padding: 6px 14px; }
            .btn-primary-custom, .btn-outline-custom { padding: 12px 28px; font-size: 0.9rem; }
        }

        /* ========== Utility ========== */
        .text-accent { color: var(--accent); }
        .text-center { text-align: center; }
        .mb-0 { margin-bottom: 0; }
        .mb-16 { margin-bottom: 16px; }
        .mb-32 { margin-bottom: 32px; }
        .mt-16 { margin-top: 16px; }
        .gap-8 { gap: 8px; }
        .d-flex { display: flex; }
        .align-center { align-items: center; }
        .justify-between { justify-content: space-between; }
        .flex-wrap { flex-wrap: wrap; }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #1a2a4a;
            --primary-light: #2c4a7c;
            --primary-dark: #0f1a30;
            --accent: #c8a86e;
            --accent-light: #e0c99a;
            --accent-dark: #a8884e;
            --bg-light: #f8f6f3;
            --bg-white: #ffffff;
            --bg-dark: #0f1a30;
            --text-dark: #1a1a1a;
            --text-muted: #6b6b6b;
            --text-light: #f8f6f3;
            --border: #e5e0d8;
            --border-light: #f0ece6;
            --radius: 16px;
            --radius-sm: 8px;
            --radius-lg: 24px;
            --shadow: 0 8px 32px rgba(26, 42, 74, 0.08);
            --shadow-hover: 0 16px 48px rgba(26, 42, 74, 0.14);
            --shadow-dark: 0 8px 32px rgba(0, 0, 0, 0.25);
            --transition: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --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-sans);
            font-size: 1rem;
            line-height: 1.6;
            color: var(--text-dark);
            background: var(--bg-white);
            padding-top: var(--nav-height);
        }

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

        a:hover {
            color: var(--accent);
        }

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

        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        /* ===== 容器 ===== */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            height: var(--nav-height);
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
            transition: var(--transition);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.02em;
            text-decoration: none;
            transition: var(--transition);
            white-space: nowrap;
        }

        .logo i {
            color: var(--accent);
            font-size: 1.3rem;
        }

        .logo:hover {
            color: var(--primary-light);
            text-decoration: none;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-links a {
            padding: 8px 18px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-muted);
            border-radius: var(--radius-sm);
            transition: var(--transition);
            position: relative;
            text-decoration: none;
            letter-spacing: 0.01em;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%) scaleX(0);
            width: 60%;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
            transition: var(--transition);
        }

        .nav-links a:hover {
            color: var(--primary);
            background: rgba(26, 42, 74, 0.04);
            text-decoration: none;
        }

        .nav-links a:hover::after {
            transform: translateX(-50%) scaleX(1);
        }

        .nav-links a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-links a.active::after {
            transform: translateX(-50%) scaleX(1);
        }

        .nav-links a.nav-cta {
            background: var(--primary);
            color: #fff;
            border-radius: 50px;
            padding: 8px 24px;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 6px;
            margin-left: 8px;
        }

        .nav-links a.nav-cta::after {
            display: none;
        }

        .nav-links a.nav-cta:hover {
            background: var(--primary-light);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(26, 42, 74, 0.2);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--primary);
            cursor: pointer;
            padding: 4px 8px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }

        .nav-toggle:hover {
            background: rgba(26, 42, 74, 0.06);
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            min-height: 80vh;
            display: flex;
            align-items: center;
            background: var(--bg-dark);
            overflow: hidden;
            padding: 80px 0;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.35;
            transform: scale(1.05);
            animation: heroZoom 20s ease-in-out infinite alternate;
        }

        @keyframes heroZoom {
            0% {
                transform: scale(1.05);
            }
            100% {
                transform: scale(1.15);
            }
        }

        .hero-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 26, 48, 0.92) 0%, rgba(26, 42, 74, 0.80) 50%, rgba(15, 26, 48, 0.88) 100%);
            z-index: 1;
        }

        .hero-section .container {
            position: relative;
            z-index: 2;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(200, 168, 110, 0.18);
            backdrop-filter: blur(4px);
            border: 1px solid rgba(200, 168, 110, 0.25);
            color: var(--accent-light);
            padding: 8px 20px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 500;
            letter-spacing: 0.03em;
            margin-bottom: 28px;
        }

        .hero-badge i {
            font-size: 0.75rem;
        }

        .hero-title {
            font-size: clamp(2.4rem, 6vw, 4.2rem);
            font-weight: 800;
            color: #fff;
            line-height: 1.12;
            letter-spacing: -0.03em;
            margin-bottom: 24px;
            max-width: 800px;
        }

        .hero-title .highlight {
            color: var(--accent);
            background: linear-gradient(135deg, var(--accent-light), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-sub {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 600px;
            line-height: 1.7;
            margin-bottom: 36px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }

        .btn-hero {
            padding: 16px 36px;
            font-size: 1rem;
            font-weight: 600;
            border-radius: 50px;
            border: none;
            background: var(--accent);
            color: var(--primary-dark);
            transition: var(--transition);
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-hero:hover {
            background: var(--accent-light);
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(200, 168, 110, 0.3);
            color: var(--primary-dark);
        }

        .btn-hero-outline {
            padding: 16px 36px;
            font-size: 1rem;
            font-weight: 600;
            border-radius: 50px;
            border: 2px solid rgba(255, 255, 255, 0.25);
            background: transparent;
            color: #fff;
            transition: var(--transition);
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-hero-outline:hover {
            border-color: var(--accent);
            background: rgba(200, 168, 110, 0.1);
            color: var(--accent-light);
            transform: translateY(-2px);
        }

        .hero-stats {
            display: flex;
            gap: 40px;
            margin-top: 60px;
            padding-top: 40px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .hero-stat-item {
            text-align: left;
        }

        .hero-stat-item .number {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            letter-spacing: -0.02em;
        }

        .hero-stat-item .number .accent {
            color: var(--accent);
        }

        .hero-stat-item .label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 4px;
        }

        /* ===== 通用板块 ===== */
        .section-padding {
            padding: 100px 0;
        }

        .section-padding-sm {
            padding: 70px 0;
        }

        .section-title {
            font-size: clamp(1.8rem, 3.5vw, 2.8rem);
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.02em;
            line-height: 1.2;
            margin-bottom: 16px;
        }

        .section-sub {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 640px;
            line-height: 1.7;
        }

        .section-divider {
            width: 48px;
            height: 3px;
            background: var(--accent);
            border-radius: 4px;
            margin: 20px 0 28px;
        }

        .bg-light-section {
            background: var(--bg-light);
        }

        /* ===== 优势卡片 ===== */
        .advantage-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 28px;
        }

        .advantage-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            padding: 36px 28px;
            border: 1px solid var(--border-light);
            transition: var(--transition);
            box-shadow: 0 2px 12px rgba(26, 42, 74, 0.04);
        }

        .advantage-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: var(--accent);
        }

        .advantage-card .icon-wrap {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: linear-gradient(135deg, var(--bg-light), #f0ece6);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--accent);
            margin-bottom: 20px;
            transition: var(--transition);
        }

        .advantage-card:hover .icon-wrap {
            background: var(--primary);
            color: var(--accent-light);
        }

        .advantage-card h4 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
        }

        .advantage-card p {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0;
        }

        /* ===== 方案卡片 ===== */
        .plan-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 28px;
            margin-top: 20px;
        }

        .plan-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            padding: 40px 32px;
            transition: var(--transition);
            box-shadow: 0 2px 12px rgba(26, 42, 74, 0.04);
            position: relative;
            overflow: hidden;
        }

        .plan-card.featured {
            border-color: var(--accent);
            box-shadow: 0 8px 32px rgba(200, 168, 110, 0.12);
        }

        .plan-card.featured::before {
            content: '推荐方案';
            position: absolute;
            top: 16px;
            right: -32px;
            background: var(--accent);
            color: var(--primary-dark);
            padding: 4px 40px;
            font-size: 0.75rem;
            font-weight: 700;
            transform: rotate(45deg);
            letter-spacing: 0.04em;
        }

        .plan-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: var(--accent);
        }

        .plan-card .plan-name {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 6px;
        }

        .plan-card .plan-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 20px;
        }

        .plan-card .plan-price {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 4px;
            letter-spacing: -0.02em;
        }

        .plan-card .plan-price .unit {
            font-size: 0.9rem;
            font-weight: 400;
            color: var(--text-muted);
        }

        .plan-card ul {
            list-style: none;
            padding: 0;
            margin: 20px 0 28px;
        }

        .plan-card ul li {
            padding: 8px 0;
            font-size: 0.9rem;
            color: var(--text-dark);
            display: flex;
            align-items: center;
            gap: 10px;
            border-bottom: 1px solid var(--border-light);
        }

        .plan-card ul li:last-child {
            border-bottom: none;
        }

        .plan-card ul li i {
            color: var(--accent);
            font-size: 0.8rem;
            width: 18px;
            text-align: center;
        }

        .btn-plan {
            display: block;
            width: 100%;
            padding: 14px;
            font-size: 0.95rem;
            font-weight: 600;
            border-radius: 50px;
            border: 2px solid var(--primary);
            background: transparent;
            color: var(--primary);
            transition: var(--transition);
            cursor: pointer;
            text-align: center;
        }

        .btn-plan:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-plan.featured {
            background: var(--accent);
            border-color: var(--accent);
            color: var(--primary-dark);
        }

        .btn-plan.featured:hover {
            background: var(--accent-light);
            border-color: var(--accent-light);
            box-shadow: 0 8px 24px rgba(200, 168, 110, 0.3);
        }

        /* ===== 场景卡片 ===== */
        .scene-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
        }

        .scene-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            padding: 28px 24px;
            border: 1px solid var(--border-light);
            text-align: center;
            transition: var(--transition);
            box-shadow: 0 2px 8px rgba(26, 42, 74, 0.04);
        }

        .scene-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow);
            border-color: var(--accent);
        }

        .scene-card .icon-scene {
            font-size: 2rem;
            color: var(--accent);
            margin-bottom: 16px;
        }

        .scene-card h5 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 6px;
        }

        .scene-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.6;
        }

        /* ===== 流程 ===== */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 24px;
            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;
            font-size: 1.1rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            transition: var(--transition);
        }

        .process-step:hover .step-num {
            background: var(--accent);
            color: var(--primary-dark);
            transform: scale(1.08);
        }

        .process-step h5 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 6px;
        }

        .process-step p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.6;
            max-width: 220px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--border-light);
            padding: 20px 0;
        }

        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--primary);
            padding: 4px 0;
            transition: var(--transition);
            user-select: none;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
        }

        .faq-question:hover {
            color: var(--accent);
        }

        .faq-question i {
            transition: var(--transition);
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        .faq-question[aria-expanded="true"] i {
            transform: rotate(180deg);
            color: var(--accent);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0;
        }

        .faq-answer.open {
            max-height: 300px;
            padding: 12px 0 4px;
        }

        .faq-answer p {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.8;
            margin: 0;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--bg-dark);
            position: relative;
            overflow: hidden;
            padding: 100px 0;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
            opacity: 0.15;
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
            text-align: center;
        }

        .cta-title {
            font-size: clamp(1.8rem, 3.5vw, 2.8rem);
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }

        .cta-sub {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.65);
            max-width: 560px;
            margin: 0 auto 36px;
            line-height: 1.7;
        }

        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }

        .btn-cta {
            padding: 18px 44px;
            font-size: 1.05rem;
            font-weight: 600;
            border-radius: 50px;
            border: none;
            background: var(--accent);
            color: var(--primary-dark);
            transition: var(--transition);
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-cta:hover {
            background: var(--accent-light);
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(200, 168, 110, 0.25);
            color: var(--primary-dark);
        }

        .btn-cta-outline {
            padding: 18px 44px;
            font-size: 1.05rem;
            font-weight: 600;
            border-radius: 50px;
            border: 2px solid rgba(255, 255, 255, 0.2);
            background: transparent;
            color: #fff;
            transition: var(--transition);
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-cta-outline:hover {
            border-color: var(--accent);
            background: rgba(200, 168, 110, 0.1);
            color: var(--accent-light);
            transform: translateY(-2px);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 60px 0 30px;
            font-size: 0.9rem;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .site-footer .footer-brand .logo {
            color: #fff;
            font-size: 1.2rem;
            margin-bottom: 14px;
            display: inline-flex;
        }

        .site-footer .footer-brand .logo i {
            color: var(--accent);
        }

        .site-footer .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.5);
            max-width: 300px;
            margin-top: 12px;
        }

        .site-footer .footer-col h5 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .site-footer .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.5);
            padding: 5px 0;
            font-size: 0.88rem;
            transition: var(--transition);
            text-decoration: none;
        }

        .site-footer .footer-col a:hover {
            color: var(--accent-light);
            padding-left: 4px;
        }

        .site-footer .footer-col a i {
            width: 20px;
            margin-right: 4px;
        }

        .site-footer .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 24px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.35);
        }

        .site-footer .footer-bottom a {
            color: rgba(255, 255, 255, 0.45);
            text-decoration: none;
        }

        .site-footer .footer-bottom a:hover {
            color: var(--accent-light);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .hero-title {
                font-size: clamp(2rem, 5vw, 3.2rem);
            }
            .hero-stats {
                gap: 24px;
                flex-wrap: wrap;
            }
            .plan-grid {
                grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            }
        }

        @media (max-width: 768px) {
            :root {
                --nav-height: 64px;
            }
            .nav-links {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(12px);
                -webkit-backdrop-filter: blur(12px);
                flex-direction: column;
                padding: 16px 24px;
                gap: 4px;
                border-bottom: 1px solid var(--border-light);
                transform: translateY(-120%);
                opacity: 0;
                transition: var(--transition);
                box-shadow: 0 16px 32px rgba(0, 0, 0, 0.06);
                pointer-events: none;
            }
            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-links a {
                width: 100%;
                padding: 12px 16px;
                font-size: 1rem;
            }
            .nav-links a.nav-cta {
                margin-left: 0;
                margin-top: 8px;
                justify-content: center;
            }
            .nav-links a::after {
                display: none;
            }
            .nav-links a.active {
                background: rgba(26, 42, 74, 0.06);
                border-radius: var(--radius-sm);
            }
            .nav-toggle {
                display: block;
            }
            .hero-section {
                min-height: 70vh;
                padding: 60px 0;
            }
            .hero-title {
                font-size: clamp(1.8rem, 6vw, 2.6rem);
            }
            .hero-sub {
                font-size: 1rem;
            }
            .hero-stats {
                gap: 16px;
                margin-top: 40px;
                padding-top: 28px;
            }
            .hero-stat-item .number {
                font-size: 1.6rem;
            }
            .section-padding {
                padding: 60px 0;
            }
            .section-padding-sm {
                padding: 44px 0;
            }
            .advantage-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .scene-grid {
                grid-template-columns: 1fr 1fr;
            }
            .process-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .cta-section {
                padding: 60px 0;
            }
            .btn-hero,
            .btn-hero-outline {
                padding: 14px 28px;
                font-size: 0.9rem;
            }
            .btn-cta,
            .btn-cta-outline {
                padding: 14px 32px;
                font-size: 0.95rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .hero-title {
                font-size: 1.6rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .btn-hero,
            .btn-hero-outline {
                justify-content: center;
            }
            .advantage-grid {
                grid-template-columns: 1fr;
            }
            .scene-grid {
                grid-template-columns: 1fr;
            }
            .process-grid {
                grid-template-columns: 1fr;
            }
            .plan-grid {
                grid-template-columns: 1fr;
            }
            .hero-stats {
                flex-direction: column;
                gap: 12px;
            }
            .hero-stat-item {
                display: flex;
                justify-content: space-between;
                align-items: center;
            }
            .hero-stat-item .number {
                font-size: 1.4rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .faq-question {
                font-size: 0.95rem;
            }
        }

        /* ===== 滚动动画 ===== */
        .reveal {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.7s ease, transform 0.7s ease;
        }

        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ===== 辅助类 ===== */
        .text-accent {
            color: var(--accent);
        }
        .text-primary {
            color: var(--primary);
        }
        .fw-700 {
            font-weight: 700;
        }
        .gap-16 {
            gap: 16px;
        }
        .mb-0 {
            margin-bottom: 0;
        }

/* roulang page: article */
:root {
            --primary: #0f2b4a;
            --primary-light: #1a3f66;
            --accent: #c9a84c;
            --accent-hover: #b8963a;
            --bg-body: #ffffff;
            --bg-light: #f6f8fc;
            --bg-dark: #0a1a2e;
            --text-dark: #121e2d;
            --text-body: #2d3a4a;
            --text-muted: #6b7a8a;
            --border-color: #e2e8f0;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --shadow-sm: 0 2px 8px rgba(15, 43, 74, 0.06);
            --shadow-md: 0 8px 32px rgba(15, 43, 74, 0.10);
            --shadow-lg: 0 16px 48px rgba(15, 43, 74, 0.14);
            --transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --container-max: 1200px;
            --content-max: 780px;
        }
        *, *::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: 1rem;
            line-height: 1.7;
            color: var(--text-body);
            background: var(--bg-body);
        }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
        a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
        a:hover { color: var(--accent); }
        ul, ol { list-style: none; padding: 0; margin: 0; }
        .container { max-width: var(--container-max); margin: 0 auto; padding: 0 24px; }
        @media (max-width: 768px) { .container { padding: 0 16px; } }

        /* ===== Header & Nav ===== */
        .site-header {
            position: fixed; top: 0; left: 0; right: 0; z-index: 1050;
            background: rgba(255,255,255,0.94); backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-color);
            box-shadow: 0 1px 4px rgba(15,43,74,0.04);
            height: 68px;
            transition: background var(--transition), box-shadow var(--transition);
        }
        .site-header .container {
            display: flex; align-items: center; justify-content: space-between;
            height: 68px;
        }
        .logo {
            display: flex; align-items: center; gap: 10px;
            font-size: 1.3rem; font-weight: 700; color: var(--primary);
            letter-spacing: -0.02em;
            text-decoration: none !important;
        }
        .logo i { color: var(--accent); font-size: 1.4rem; }
        .logo:hover { color: var(--primary); }
        .nav-links { display: flex; align-items: center; gap: 6px; }
        .nav-links a {
            display: inline-flex; align-items: center; gap: 6px;
            padding: 8px 18px; border-radius: 40px;
            font-size: 0.925rem; font-weight: 500;
            color: var(--text-body);
            transition: background var(--transition), color var(--transition);
            text-decoration: none;
            position: relative;
        }
        .nav-links a:hover { background: var(--bg-light); color: var(--primary); }
        .nav-links a.active {
            background: var(--primary); color: #fff;
        }
        .nav-links a.nav-cta {
            background: var(--accent); color: #fff;
            padding: 8px 22px; font-weight: 600;
            border-radius: 40px;
        }
        .nav-links a.nav-cta:hover { background: var(--accent-hover); color: #fff; transform: translateY(-1px); box-shadow: 0 4px 16px rgba(201,168,76,0.35); }
        .nav-toggle { display: none; background: none; border: none; font-size: 1.6rem; color: var(--primary); cursor: pointer; padding: 4px 8px; }
        @media (max-width: 820px) {
            .nav-toggle { display: block; }
            .nav-links {
                display: none; flex-direction: column; gap: 4px;
                position: absolute; top: 68px; left: 0; right: 0;
                background: rgba(255,255,255,0.98); backdrop-filter: blur(14px);
                border-bottom: 1px solid var(--border-color);
                padding: 16px 24px 24px;
                box-shadow: var(--shadow-md);
            }
            .nav-links.open { display: flex; }
            .nav-links a { padding: 12px 18px; border-radius: var(--radius-sm); width: 100%; justify-content: center; }
            .nav-links a.nav-cta { margin-top: 6px; }
        }
        @media (max-width: 480px) {
            .logo { font-size: 1.05rem; gap: 6px; }
            .logo i { font-size: 1.1rem; }
        }

        /* ===== Article Banner ===== */
        .article-banner {
            position: relative;
            margin-top: 68px;
            padding: 80px 0 60px;
            background: var(--bg-dark) url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            min-height: 320px;
            display: flex; align-items: center;
        }
        .article-banner::before {
            content: '';
            position: absolute; inset: 0;
            background: linear-gradient(135deg, rgba(10,26,46,0.82) 0%, rgba(15,43,74,0.70) 100%);
        }
        .article-banner .container { position: relative; z-index: 2; width: 100%; }
        .article-banner .post-meta-top {
            display: flex; flex-wrap: wrap; align-items: center; gap: 12px 20px;
            margin-bottom: 18px;
            color: rgba(255,255,255,0.75);
            font-size: 0.85rem;
        }
        .article-banner .post-meta-top .badge-cat {
            display: inline-block;
            background: var(--accent); color: #fff;
            padding: 4px 16px; border-radius: 40px;
            font-size: 0.78rem; font-weight: 600;
            letter-spacing: 0.02em;
        }
        .article-banner .post-meta-top span i { margin-right: 6px; }
        .article-banner h1 {
            font-size: 2.6rem; font-weight: 800; line-height: 1.25;
            color: #fff;
            max-width: 860px;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }
        .article-banner .post-desc {
            font-size: 1.1rem; color: rgba(255,255,255,0.78);
            max-width: 700px;
            line-height: 1.6;
        }
        @media (max-width: 992px) {
            .article-banner { padding: 60px 0 48px; min-height: 260px; }
            .article-banner h1 { font-size: 2.0rem; }
        }
        @media (max-width: 768px) {
            .article-banner { padding: 48px 0 36px; min-height: 220px; }
            .article-banner h1 { font-size: 1.6rem; }
            .article-banner .post-desc { font-size: 0.95rem; }
        }
        @media (max-width: 480px) {
            .article-banner h1 { font-size: 1.35rem; }
        }

        /* ===== Article Content ===== */
        .article-main-wrap {
            padding: 48px 0 40px;
            background: var(--bg-body);
        }
        .article-inner {
            max-width: var(--content-max);
            margin: 0 auto;
        }
        .article-featured-img {
            margin-bottom: 32px;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .article-featured-img img { width: 100%; border-radius: var(--radius-md); }
        .article-content {
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--text-body);
        }
        .article-content p { margin-bottom: 1.4rem; }
        .article-content h2, .article-content h3, .article-content h4 {
            color: var(--text-dark);
            font-weight: 700;
            margin-top: 2rem; margin-bottom: 1rem;
        }
        .article-content h2 { font-size: 1.6rem; }
        .article-content h3 { font-size: 1.3rem; }
        .article-content ul, .article-content ol { list-style: disc; padding-left: 1.6rem; margin-bottom: 1.4rem; }
        .article-content ul li { margin-bottom: 0.4rem; }
        .article-content blockquote {
            border-left: 4px solid var(--accent);
            background: var(--bg-light);
            padding: 18px 24px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 1.6rem 0;
            font-style: italic;
            color: var(--text-muted);
        }
        .article-content a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
        .article-content a:hover { color: var(--accent-hover); }
        .article-content img { border-radius: var(--radius-md); margin: 1.6rem 0; box-shadow: var(--shadow-sm); }
        .article-not-found {
            text-align: center;
            padding: 60px 20px;
            background: var(--bg-light);
            border-radius: var(--radius-md);
        }
        .article-not-found i { font-size: 3rem; color: var(--text-muted); margin-bottom: 16px; }
        .article-not-found h3 { font-size: 1.5rem; color: var(--text-dark); }
        .article-not-found p { color: var(--text-muted); }
        .article-not-found .btn-home { margin-top: 20px; }
        @media (max-width: 768px) {
            .article-content { font-size: 0.98rem; }
            .article-content h2 { font-size: 1.35rem; }
        }

        /* ===== Article Tags & Share ===== */
        .article-tags-share {
            padding: 28px 0 12px;
            border-top: 1px solid var(--border-color);
            margin-top: 36px;
            display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px;
        }
        .article-tags { display: flex; flex-wrap: wrap; gap: 8px; }
        .article-tags .tag {
            display: inline-block;
            background: var(--bg-light);
            color: var(--text-body);
            padding: 4px 14px;
            border-radius: 40px;
            font-size: 0.8rem;
            font-weight: 500;
            border: 1px solid var(--border-color);
            transition: background var(--transition), color var(--transition);
        }
        .article-tags .tag:hover { background: var(--primary); color: #fff; border-color: var(--primary); }
        .article-share { display: flex; align-items: center; gap: 10px; }
        .article-share span { font-size: 0.85rem; color: var(--text-muted); }
        .article-share a {
            display: inline-flex; align-items: center; justify-content: center;
            width: 36px; height: 36px;
            border-radius: 50%;
            background: var(--bg-light);
            color: var(--text-body);
            border: 1px solid var(--border-color);
            transition: background var(--transition), color var(--transition), transform var(--transition);
        }
        .article-share a:hover { background: var(--primary); color: #fff; transform: translateY(-2px); border-color: var(--primary); }

        /* ===== Related Posts ===== */
        .related-section {
            padding: 60px 0 48px;
            background: var(--bg-light);
        }
        .related-section .section-title {
            text-align: center;
            margin-bottom: 40px;
        }
        .related-section .section-title h2 {
            font-size: 2rem; font-weight: 700; color: var(--text-dark);
            margin-bottom: 8px;
        }
        .related-section .section-title p {
            color: var(--text-muted); font-size: 1rem;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background: #fff;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .related-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
        .related-card .card-img {
            width: 100%; height: 200px; object-fit: cover;
            border-radius: 0;
        }
        .related-card .card-body {
            padding: 20px 22px 24px;
        }
        .related-card .card-body h3 {
            font-size: 1.1rem; font-weight: 700; color: var(--text-dark);
            margin-bottom: 8px; line-height: 1.4;
        }
        .related-card .card-body p {
            font-size: 0.9rem; color: var(--text-muted);
            line-height: 1.6; margin-bottom: 12px;
        }
        .related-card .card-body .card-meta {
            font-size: 0.78rem; color: var(--text-muted);
            display: flex; align-items: center; gap: 12px;
        }
        .related-card .card-body .card-meta i { margin-right: 4px; }
        @media (max-width: 992px) {
            .related-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 600px) {
            .related-grid { grid-template-columns: 1fr; }
            .related-section .section-title h2 { font-size: 1.5rem; }
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 60px 0 48px;
            background: var(--bg-body);
        }
        .faq-section .section-title {
            text-align: center;
            margin-bottom: 40px;
        }
        .faq-section .section-title h2 {
            font-size: 2rem; font-weight: 700; color: var(--text-dark);
            margin-bottom: 8px;
        }
        .faq-section .section-title p {
            color: var(--text-muted); font-size: 1rem;
        }
        .faq-list { max-width: 780px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
        .faq-item {
            background: var(--bg-light);
            border-radius: var(--radius-md);
            padding: 0 24px;
            border: 1px solid var(--border-color);
            transition: box-shadow var(--transition);
        }
        .faq-item:hover { box-shadow: var(--shadow-sm); }
        .faq-question {
            display: flex; align-items: center; justify-content: space-between;
            padding: 18px 0;
            cursor: pointer;
            font-weight: 600; font-size: 1rem; color: var(--text-dark);
            gap: 16px;
            user-select: none;
        }
        .faq-question i { color: var(--accent); transition: transform var(--transition); font-size: 1.1rem; }
        .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;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 0 20px;
        }
        @media (max-width: 768px) {
            .faq-section .section-title h2 { font-size: 1.5rem; }
            .faq-question { font-size: 0.95rem; }
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 60px 0 64px;
            background: var(--bg-dark) url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
            position: relative;
        }
        .cta-section::before {
            content: '';
            position: absolute; inset: 0;
            background: linear-gradient(135deg, rgba(10,26,46,0.82) 0%, rgba(15,43,74,0.72) 100%);
        }
        .cta-section .container { position: relative; z-index: 2; text-align: center; }
        .cta-section h2 {
            font-size: 2.2rem; font-weight: 800; color: #fff;
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 1.1rem; color: rgba(255,255,255,0.78);
            max-width: 640px; margin: 0 auto 28px;
        }
        .cta-btns { display: flex; flex-wrap: wrap; justify-content: center; gap: 16px; }
        .cta-btns .btn {
            display: inline-flex; align-items: center; gap: 8px;
            padding: 14px 34px; border-radius: 60px;
            font-weight: 600; font-size: 1rem;
            transition: transform var(--transition), box-shadow var(--transition);
            border: none; cursor: pointer; text-decoration: none;
        }
        .cta-btns .btn-primary-custom {
            background: var(--accent); color: #fff;
        }
        .cta-btns .btn-primary-custom:hover { background: var(--accent-hover); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 28px rgba(201,168,76,0.35); }
        .cta-btns .btn-outline-custom {
            background: transparent; color: #fff;
            border: 2px solid rgba(255,255,255,0.5);
        }
        .cta-btns .btn-outline-custom:hover { background: rgba(255,255,255,0.12); color: #fff; border-color: #fff; transform: translateY(-2px); }
        @media (max-width: 768px) {
            .cta-section { padding: 48px 0 52px; }
            .cta-section h2 { font-size: 1.6rem; }
            .cta-section p { font-size: 0.95rem; }
            .cta-btns .btn { padding: 12px 24px; font-size: 0.9rem; }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255,255,255,0.72);
            padding: 56px 0 28px;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .site-footer .footer-brand .logo {
            color: #fff; font-size: 1.2rem; margin-bottom: 12px;
        }
        .site-footer .footer-brand .logo i { color: var(--accent); }
        .site-footer .footer-brand p { font-size: 0.88rem; line-height: 1.7; max-width: 260px; }
        .site-footer .footer-col h5 {
            color: #fff; font-size: 0.95rem; font-weight: 700;
            margin-bottom: 16px;
        }
        .site-footer .footer-col a {
            display: block; color: rgba(255,255,255,0.65);
            font-size: 0.88rem; margin-bottom: 10px;
            transition: color var(--transition);
            text-decoration: none;
        }
        .site-footer .footer-col a:hover { color: var(--accent); }
        .site-footer .footer-col a i { width: 20px; margin-right: 4px; }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 20px;
            display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center;
            gap: 12px;
            font-size: 0.8rem;
        }
        .site-footer .footer-bottom a { color: var(--accent); text-decoration: none; }
        .site-footer .footer-bottom a:hover { text-decoration: underline; }
        @media (max-width: 992px) {
            .site-footer .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 600px) {
            .site-footer .footer-grid { grid-template-columns: 1fr; }
            .site-footer .footer-bottom { flex-direction: column; text-align: center; }
        }

        /* ===== Utility ===== */
        .btn-back-home {
            display: inline-flex; align-items: center; gap: 8px;
            padding: 10px 28px;
            background: var(--primary); color: #fff;
            border-radius: 60px;
            font-weight: 600;
            transition: background var(--transition), transform var(--transition);
            text-decoration: none;
        }
        .btn-back-home:hover { background: var(--primary-light); color: #fff; transform: translateY(-2px); }
        .text-center { text-align: center; }
        .mt-16 { margin-top: 16px; }
        .mb-8 { margin-bottom: 8px; }
        .mb-16 { margin-bottom: 16px; }
        .mb-24 { margin-bottom: 24px; }
        .mb-32 { margin-bottom: 32px; }

        /* ===== Scrollbar ===== */
        ::-webkit-scrollbar { width: 6px; }
        ::-webkit-scrollbar-track { background: var(--bg-light); }
        ::-webkit-scrollbar-thumb { background: var(--text-muted); border-radius: 10px; }
        ::-webkit-scrollbar-thumb:hover { background: var(--primary); }

        /* ===== Keyframes ===== */
        @keyframes fadeUp {
            from { opacity: 0; transform: translateY(24px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .animate-fade-up { animation: fadeUp 0.6s ease forwards; }
        .animate-delay-1 { animation-delay: 0.1s; }
        .animate-delay-2 { animation-delay: 0.2s; }
        .animate-delay-3 { animation-delay: 0.3s; }