/* roulang page: index */
/* ===== Design Variables ===== */
        :root {
            --primary: #1e3a5f;
            --primary-light: #2b5a8c;
            --primary-dark: #0f2440;
            --accent: #d9772b;
            --accent-light: #ed9b4a;
            --accent-dark: #b85e1a;
            --bg: #f6f9fc;
            --bg-card: #ffffff;
            --bg-soft: #eef3f8;
            --text: #1e293b;
            --text-light: #5a6e85;
            --text-muted: #8a9bb0;
            --border: #dce3ec;
            --shadow-sm: 0 2px 8px rgba(30, 58, 95, 0.06);
            --shadow-md: 0 8px 24px rgba(30, 58, 95, 0.08);
            --shadow-lg: 0 20px 48px rgba(30, 58, 95, 0.12);
            --radius: 12px;
            --radius-lg: 20px;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.6;
        }
        a { color: inherit; text-decoration: none; transition: color var(--transition); }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius); }
        button, input, select, textarea { font-family: inherit; font-size: 1rem; outline: none; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
        .section-padding { padding: 80px 0; }
        .section-title { font-size: 2.25rem; font-weight: 700; color: var(--primary); margin-bottom: 1rem; letter-spacing: -0.02em; }
        .section-subtitle { font-size: 1.125rem; color: var(--text-light); max-width: 640px; margin: 0 auto 3rem; line-height: 1.7; }
        .text-center { text-align: center; }

        /* ===== Header / Nav ===== */
        .site-header {
            background: rgba(255,255,255,0.92);
            backdrop-filter: blur(20px) saturate(180%);
            -webkit-backdrop-filter: blur(20px) saturate(180%);
            border-bottom: 1px solid rgba(220,227,236,0.5);
            position: sticky; top: 0; z-index: 100;
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled { box-shadow: var(--shadow-sm); }
        .nav-inner {
            display: flex; align-items: center; justify-content: center;
            height: 72px; gap: 2rem;
            position: relative;
        }
        .nav-logo {
            position: absolute; left: 50%; transform: translateX(-50%);
            font-size: 1.375rem; font-weight: 700; color: var(--primary);
            letter-spacing: -0.01em; white-space: nowrap;
        }
        .nav-logo span { color: var(--accent); }
        .nav-links { display: flex; align-items: center; gap: 2rem; list-style: none; }
        .nav-links a {
            font-size: 0.95rem; font-weight: 500; color: var(--text-light);
            padding: 0.375rem 0; position: relative; transition: color var(--transition);
        }
        .nav-links a::after {
            content: ''; position: absolute; left: 0; bottom: -2px;
            width: 0; height: 2px; background: var(--accent);
            transition: width var(--transition); border-radius: 2px;
        }
        .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%; background: var(--accent); }

        /* Hamburger */
        .hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; background: none; border: none; z-index: 110; }
        .hamburger span { display: block; width: 26px; height: 2.5px; background: var(--primary); border-radius: 4px; transition: var(--transition); }
        .hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
        .hamburger.open span:nth-child(2) { opacity: 0; }
        .hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

        /* Mobile menu */
        .mobile-menu {
            display: none;
            position: fixed; inset: 0; background: rgba(255,255,255,0.98);
            backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px);
            z-index: 105; flex-direction: column; align-items: center; justify-content: center;
            gap: 2rem; opacity: 0; pointer-events: none; transition: opacity 0.4s ease;
        }
        .mobile-menu.open { display: flex; opacity: 1; pointer-events: auto; }
        .mobile-menu a { font-size: 1.5rem; font-weight: 600; color: var(--primary); }
        .mobile-menu a:hover { color: var(--accent); }

        /* ===== Hero ===== */
        .hero {
            position: relative; min-height: 88vh;
            display: flex; align-items: center; justify-content: center;
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
            overflow: hidden;
        }
        .hero-bg {
            position: absolute; inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover; background-position: center; background-blend-mode: overlay;
            opacity: 0.25; pointer-events: none;
        }
        .hero-overlay {
            position: absolute; inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(217,119,43,0.15) 0%, transparent 70%);
            pointer-events: none;
        }
        .hero-content { position: relative; z-index: 2; text-align: center; padding: 40px 24px; max-width: 900px; }
        .hero-badge {
            display: inline-block; background: rgba(217,119,43,0.2); border: 1px solid rgba(217,119,43,0.3);
            color: var(--accent-light); font-size: 0.85rem; font-weight: 600; padding: 0.4rem 1.2rem;
            border-radius: 40px; letter-spacing: 0.02em; margin-bottom: 1.5rem;
            backdrop-filter: blur(8px);
        }
        .hero h1 {
            font-size: 3.75rem; font-weight: 800; line-height: 1.15; color: #fff;
            letter-spacing: -0.03em; margin-bottom: 1.2rem;
        }
        .hero h1 span { color: var(--accent-light); }
        .hero p {
            font-size: 1.25rem; color: rgba(255,255,255,0.8); max-width: 620px;
            margin: 0 auto 2.2rem; line-height: 1.7;
        }
        .hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: center; }
        .btn {
            display: inline-flex; align-items: center; gap: 0.5rem;
            padding: 0.85rem 2.2rem; font-weight: 600; font-size: 1rem;
            border-radius: 60px; border: none; cursor: pointer;
            transition: all var(--transition); white-space: nowrap;
        }
        .btn-primary {
            background: var(--accent); color: #fff;
            box-shadow: 0 8px 24px rgba(217,119,43,0.35);
        }
        .btn-primary:hover { background: var(--accent-dark); transform: translateY(-2px); box-shadow: 0 12px 32px rgba(217,119,43,0.4); }
        .btn-primary:focus-visible { outline: 3px solid rgba(217,119,43,0.5); outline-offset: 2px; }
        .btn-outline-light {
            background: transparent; color: #fff; border: 2px solid rgba(255,255,255,0.4);
        }
        .btn-outline-light:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.7); transform: translateY(-2px); }
        .btn-outline-light:focus-visible { outline: 3px solid rgba(255,255,255,0.3); outline-offset: 2px; }
        .btn-secondary {
            background: var(--primary-light); color: #fff;
            box-shadow: 0 6px 18px rgba(43,90,140,0.25);
        }
        .btn-secondary:hover { background: var(--primary); transform: translateY(-2px); box-shadow: 0 10px 28px rgba(43,90,140,0.3); }

        /* ===== Features / Cards ===== */
        .features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
        .feature-card {
            background: var(--bg-card); border-radius: var(--radius-lg);
            padding: 2.2rem 1.8rem; box-shadow: var(--shadow-sm);
            border: 1px solid var(--border); transition: all var(--transition);
        }
        .feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: rgba(217,119,43,0.2); }
        .feature-icon {
            width: 60px; height: 60px; border-radius: 16px;
            display: flex; align-items: center; justify-content: center;
            font-size: 1.6rem; color: #fff; margin-bottom: 1.2rem;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
        }
        .feature-card h3 { font-size: 1.25rem; font-weight: 700; color: var(--primary); margin-bottom: 0.5rem; }
        .feature-card p { font-size: 0.95rem; color: var(--text-light); line-height: 1.7; }

        /* ===== Showcase (图文区块) ===== */
        .showcase-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
        .showcase-image { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-md); }
        .showcase-image img { width: 100%; height: 360px; object-fit: cover; transition: transform 0.6s ease; }
        .showcase-image:hover img { transform: scale(1.03); }
        .showcase-text h3 { font-size: 1.75rem; font-weight: 700; color: var(--primary); margin-bottom: 1rem; }
        .showcase-text p { font-size: 1.05rem; color: var(--text-light); line-height: 1.8; margin-bottom: 1.2rem; }
        .tag-list { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-top: 1.2rem; }
        .tag {
            display: inline-block; background: var(--bg-soft); color: var(--primary);
            font-size: 0.8rem; font-weight: 500; padding: 0.3rem 0.9rem;
            border-radius: 40px; border: 1px solid var(--border); transition: var(--transition);
        }
        .tag:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

        /* ===== Steps / 使用指南 ===== */
        .steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
        .step-card {
            background: var(--bg-card); border-radius: var(--radius-lg);
            padding: 2rem 1.5rem; text-align: center; box-shadow: var(--shadow-sm);
            border: 1px solid var(--border); position: relative; transition: var(--transition);
        }
        .step-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
        .step-number {
            width: 48px; height: 48px; border-radius: 50%;
            background: linear-gradient(135deg, var(--accent), var(--accent-light));
            color: #fff; font-size: 1.2rem; font-weight: 700;
            display: flex; align-items: center; justify-content: center;
            margin: 0 auto 1rem;
        }
        .step-card h4 { font-size: 1.1rem; font-weight: 700; color: var(--primary); margin-bottom: 0.4rem; }
        .step-card p { font-size: 0.9rem; color: var(--text-light); line-height: 1.6; }

        /* ===== Latest Posts (CMS) ===== */
        .posts-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
        .post-card {
            background: var(--bg-card); border-radius: var(--radius-lg);
            overflow: hidden; box-shadow: var(--shadow-sm); border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .post-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
        .post-card-image { height: 200px; overflow: hidden; }
        .post-card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
        .post-card:hover .post-card-image img { transform: scale(1.05); }
        .post-card-body { padding: 1.5rem; }
        .post-category {
            display: inline-block; background: var(--bg-soft); color: var(--primary-light);
            font-size: 0.75rem; font-weight: 600; padding: 0.2rem 0.8rem;
            border-radius: 30px; margin-bottom: 0.6rem; border: 1px solid var(--border);
        }
        .post-card h3 { font-size: 1.1rem; font-weight: 700; color: var(--primary); margin-bottom: 0.4rem; line-height: 1.4; }
        .post-card h3 a { color: inherit; }
        .post-card h3 a:hover { color: var(--accent); }
        .post-card p { font-size: 0.9rem; color: var(--text-light); line-height: 1.6; margin-bottom: 0.8rem; }
        .post-meta { font-size: 0.8rem; color: var(--text-muted); display: flex; align-items: center; gap: 0.5rem; }

        /* ===== Stats ===== */
        .stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
        .stat-card {
            background: var(--bg-card); border-radius: var(--radius-lg);
            padding: 2rem 1rem; text-align: center; box-shadow: var(--shadow-sm);
            border: 1px solid var(--border); transition: var(--transition);
        }
        .stat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
        .stat-number { font-size: 2.5rem; font-weight: 800; color: var(--primary); line-height: 1.2; }
        .stat-label { font-size: 0.95rem; color: var(--text-light); margin-top: 0.3rem; }

        /* ===== FAQ ===== */
        .faq-list { max-width: 800px; margin: 0 auto; }
        .faq-item {
            background: var(--bg-card); border-radius: var(--radius);
            border: 1px solid var(--border); margin-bottom: 12px;
            overflow: hidden; 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: 1.2rem 1.6rem; cursor: pointer; font-weight: 600;
            color: var(--primary); font-size: 1.05rem; transition: background var(--transition);
            user-select: none;
        }
        .faq-question:hover { background: var(--bg-soft); }
        .faq-question i { transition: transform var(--transition); color: var(--accent); font-size: 0.9rem; }
        .faq-item.open .faq-question i { transform: rotate(180deg); }
        .faq-answer {
            max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 1.6rem; color: var(--text-light); line-height: 1.7; font-size: 0.95rem;
        }
        .faq-item.open .faq-answer { max-height: 300px; padding: 0 1.6rem 1.2rem; }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
            border-radius: var(--radius-lg); padding: 60px 48px; text-align: center;
            position: relative; overflow: hidden;
        }
        .cta-section::before {
            content: ''; position: absolute; inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover; background-position: center;
            opacity: 0.1; pointer-events: none;
        }
        .cta-content { position: relative; z-index: 2; }
        .cta-section h2 { font-size: 2rem; font-weight: 700; color: #fff; margin-bottom: 0.8rem; }
        .cta-section p { font-size: 1.1rem; color: rgba(255,255,255,0.8); max-width: 560px; margin: 0 auto 2rem; }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary-dark); color: rgba(255,255,255,0.7);
            padding: 48px 0 24px; margin-top: 60px;
        }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; }
        .footer-brand .nav-logo { position: static; transform: none; color: #fff; font-size: 1.3rem; margin-bottom: 0.8rem; display: inline-block; }
        .footer-brand .nav-logo span { color: var(--accent-light); }
        .footer-brand p { font-size: 0.9rem; line-height: 1.7; margin-top: 0.6rem; max-width: 300px; }
        .footer-col h4 { font-size: 1rem; font-weight: 600; color: #fff; margin-bottom: 1rem; }
        .footer-col ul { list-style: none; }
        .footer-col ul li { margin-bottom: 0.5rem; }
        .footer-col ul a { font-size: 0.9rem; color: rgba(255,255,255,0.6); transition: color var(--transition); }
        .footer-col ul a:hover { color: var(--accent-light); }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            margin-top: 32px; padding-top: 20px;
            display: flex; justify-content: space-between; align-items: center;
            flex-wrap: wrap; gap: 1rem; font-size: 0.85rem;
        }
        .footer-bottom a { color: rgba(255,255,255,0.5); }
        .footer-bottom a:hover { color: var(--accent-light); }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .features-grid { grid-template-columns: repeat(2, 1fr); }
            .steps-grid { grid-template-columns: repeat(2, 1fr); }
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .showcase-grid { grid-template-columns: 1fr; gap: 32px; }
            .posts-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .hero h1 { font-size: 3rem; }
        }

        @media (max-width: 768px) {
            .nav-links { display: none; }
            .hamburger { display: flex; }
            .nav-logo { position: static; transform: none; }
            .nav-inner { justify-content: space-between; }
            .hero { min-height: 70vh; }
            .hero h1 { font-size: 2.4rem; }
            .hero p { font-size: 1.05rem; }
            .section-padding { padding: 56px 0; }
            .section-title { font-size: 1.8rem; }
            .features-grid { grid-template-columns: 1fr; }
            .steps-grid { grid-template-columns: 1fr; }
            .stats-grid { grid-template-columns: 1fr 1fr; }
            .footer-grid { grid-template-columns: 1fr; gap: 28px; }
            .cta-section { padding: 40px 24px; }
            .cta-section h2 { font-size: 1.5rem; }
            .hero-actions .btn { width: 100%; justify-content: center; }
            .stat-number { font-size: 2rem; }
        }

        @media (max-width: 520px) {
            .hero h1 { font-size: 1.8rem; }
            .section-title { font-size: 1.5rem; }
            .stats-grid { grid-template-columns: 1fr; }
            .container { padding: 0 16px; }
            .post-card-image { height: 160px; }
            .feature-card { padding: 1.5rem; }
        }

        /* ===== Utility ===== */
        .bg-soft { background: var(--bg-soft); }
        .gap-2 { gap: 0.5rem; }
        .gap-3 { gap: 0.75rem; }
        .gap-4 { gap: 1rem; }
        .mt-2 { margin-top: 0.5rem; }
        .mt-4 { margin-top: 1rem; }
        .mb-2 { margin-bottom: 0.5rem; }
        .mb-4 { margin-bottom: 1rem; }
        .flex-wrap { flex-wrap: wrap; }
        .items-center { align-items: center; }
        .justify-center { justify-content: center; }
        .text-accent { color: var(--accent); }
        .text-muted { color: var(--text-muted); }

        /* focus-visible for accessibility */
        a:focus-visible, button:focus-visible, .faq-question:focus-visible {
            outline: 3px solid rgba(217,119,43,0.5);
            outline-offset: 2px;
            border-radius: 4px;
        }

/* roulang page: category1 */
:root {
            --primary: #2A7DE1;
            --primary-light: #5A9EF4;
            --primary-dark: #1A5CB0;
            --primary-bg: #EFF6FF;
            --accent: #F59E0B;
            --accent-light: #FBBF24;
            --accent-dark: #D97706;
            --accent-bg: #FFFBEB;
            --bg-body: #FFFFFF;
            --text-body: #262626;
            --text-weak: #737373;
            --border-color: #E5E5E5;
            --radius: 0.75rem;
            --radius-lg: 1rem;
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 12px 36px rgba(0, 0, 0, 0.10);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        *,
        *::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: 'Inter', 'Noto Sans SC', system-ui, sans-serif;
            color: var(--text-body);
            background: var(--bg-body);
            line-height: 1.6;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            transition: var(--transition);
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width:640px) {
            .container {
                padding: 0 16px;
            }
        }
        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(229, 229, 229, 0.6);
            transition: var(--transition);
        }
        .site-header.scrolled {
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            height: 68px;
            position: relative;
        }
        .nav-logo {
            font-size: 1.5rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            color: var(--primary-dark);
            white-space: nowrap;
            transition: var(--transition);
        }
        .nav-logo span {
            color: var(--accent);
        }
        .nav-logo:hover {
            opacity: 0.8;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
        }
        .nav-links li a {
            display: block;
            padding: 6px 14px;
            border-radius: 9999px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-weak);
            transition: var(--transition);
            white-space: nowrap;
        }
        .nav-links li a:hover {
            color: var(--primary);
            background: var(--primary-bg);
        }
        .nav-links li a.active {
            color: #fff;
            background: var(--primary);
            box-shadow: 0 2px 12px rgba(42, 125, 225, 0.30);
        }
        .hamburger {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            width: 40px;
            height: 40px;
            background: none;
            border: none;
            cursor: pointer;
            gap: 5px;
            padding: 6px;
            border-radius: 8px;
            z-index: 1001;
        }
        .hamburger span {
            display: block;
            width: 22px;
            height: 2.5px;
            background: var(--text-body);
            border-radius: 4px;
            transition: var(--transition);
        }
        .hamburger.active span:nth-child(1) {
            transform: translateY(7.5px) rotate(45deg);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }
        .hamburger.active span:nth-child(3) {
            transform: translateY(-7.5px) rotate(-45deg);
        }
        .mobile-menu {
            display: none;
            flex-direction: column;
            background: #fff;
            border-top: 1px solid var(--border-color);
            padding: 12px 24px 24px;
            gap: 6px;
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu a {
            display: block;
            padding: 10px 16px;
            border-radius: 10px;
            font-size: 1rem;
            font-weight: 500;
            color: var(--text-weak);
            transition: var(--transition);
        }
        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--primary);
            background: var(--primary-bg);
        }
        .mobile-menu a.active {
            color: #fff;
            background: var(--primary);
        }
        @media (max-width:860px) {
            .nav-links {
                display: none;
            }
            .hamburger {
                display: flex;
                position: absolute;
                left: 4px;
                top: 50%;
                transform: translateY(-50%);
            }
            .nav-logo {
                margin: 0 auto;
            }
            .nav-inner {
                justify-content: center;
            }
        }
        @media (min-width:861px) {
            .mobile-menu {
                display: none !important;
            }
        }
        /* ===== Hero / Banner ===== */
        .page-banner {
            padding: 120px 0 72px;
            background: linear-gradient(135deg, var(--primary-bg) 0%, #fff 60%);
            position: relative;
            overflow: hidden;
        }
        .page-banner .bg-cover {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.08;
            pointer-events: none;
        }
        .page-banner .container {
            position: relative;
            z-index: 2;
        }
        .banner-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(42, 125, 225, 0.12);
            color: var(--primary);
            padding: 4px 14px;
            border-radius: 9999px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            margin-bottom: 16px;
        }
        .page-banner h1 {
            font-size: clamp(2rem, 4.5vw, 3.2rem);
            font-weight: 800;
            line-height: 1.2;
            color: var(--primary-dark);
            letter-spacing: -0.02em;
            max-width: 720px;
        }
        .page-banner p {
            font-size: 1.1rem;
            color: var(--text-weak);
            max-width: 560px;
            margin-top: 16px;
            line-height: 1.7;
        }
        @media (max-width:640px) {
            .page-banner {
                padding: 100px 0 48px;
            }
            .page-banner h1 {
                font-size: 1.75rem;
            }
            .page-banner p {
                font-size: 0.95rem;
            }
        }
        /* ===== Section spacing ===== */
        .section {
            padding: 80px 0;
        }
        .section-sm {
            padding: 48px 0;
        }
        @media (max-width:768px) {
            .section {
                padding: 48px 0;
            }
            .section-sm {
                padding: 32px 0;
            }
        }
        .section-title {
            font-size: clamp(1.5rem, 2.8vw, 2.2rem);
            font-weight: 700;
            color: var(--primary-dark);
            letter-spacing: -0.01em;
            margin-bottom: 8px;
        }
        .section-subtitle {
            color: var(--text-weak);
            font-size: 1.05rem;
            max-width: 600px;
            margin-bottom: 40px;
        }
        .text-center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }
        /* ===== Cards ===== */
        .card {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(229, 229, 229, 0.5);
            transition: var(--transition);
            overflow: hidden;
        }
        .card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .card-img {
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
            display: block;
        }
        .card-body {
            padding: 24px;
        }
        .card-body h3 {
            font-size: 1.15rem;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--primary-dark);
        }
        .card-body p {
            color: var(--text-weak);
            font-size: 0.92rem;
            line-height: 1.6;
        }
        .card-tag {
            display: inline-block;
            padding: 2px 10px;
            border-radius: 9999px;
            font-size: 0.75rem;
            font-weight: 600;
            background: var(--primary-bg);
            color: var(--primary);
            margin-bottom: 8px;
        }
        /* ===== Steps ===== */
        .step-item {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            padding: 20px 0;
            border-bottom: 1px solid var(--border-color);
        }
        .step-item:last-child {
            border-bottom: none;
        }
        .step-num {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
        }
        .step-content h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--primary-dark);
        }
        .step-content p {
            color: var(--text-weak);
            font-size: 0.92rem;
            margin-top: 4px;
        }
        /* ===== FAQ ===== */
        .faq-item {
            border-bottom: 1px solid var(--border-color);
            padding: 20px 0;
        }
        .faq-item:last-child {
            border-bottom: none;
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--primary-dark);
            gap: 16px;
            user-select: none;
        }
        .faq-question i {
            color: var(--primary);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-question.open i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            color: var(--text-weak);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .faq-answer.open {
            max-height: 300px;
            padding-top: 12px;
        }
        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark) 0%, #1A4B8A 100%);
            color: #fff;
            border-radius: var(--radius-lg);
            padding: 56px 48px;
            text-align: center;
        }
        .cta-section h2 {
            font-size: clamp(1.4rem, 2.4vw, 2rem);
            font-weight: 700;
        }
        .cta-section p {
            opacity: 0.85;
            max-width: 540px;
            margin: 12px auto 28px;
            font-size: 1.05rem;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            border-radius: 9999px;
            font-weight: 600;
            font-size: 0.95rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            background: #fff;
            color: var(--primary-dark);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
        }
        .btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.18);
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--primary-dark);
        }
        .btn-outline {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.35);
            box-shadow: none;
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            box-shadow: none;
        }
        @media (max-width:640px) {
            .cta-section {
                padding: 36px 24px;
            }
            .btn {
                padding: 10px 24px;
                font-size: 0.9rem;
            }
        }
        /* ===== Footer ===== */
        .site-footer {
            background: #1a1a2e;
            color: rgba(255, 255, 255, 0.75);
            padding: 60px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand .nav-logo {
            color: #fff;
            font-size: 1.4rem;
        }
        .footer-brand p {
            margin-top: 12px;
            font-size: 0.9rem;
            line-height: 1.7;
            opacity: 0.7;
            max-width: 320px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 16px;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.88rem;
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: #fff;
            padding-left: 4px;
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 24px 0;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.45);
            flex-wrap: wrap;
            gap: 8px;
        }
        .footer-bottom a {
            color: var(--accent-light);
        }
        .footer-bottom a:hover {
            color: #fff;
        }
        @media (max-width:860px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px 24px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width:520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        /* ===== Utility ===== */
        .text-primary {
            color: var(--primary);
        }
        .bg-primary-soft {
            background: var(--primary-bg);
        }
        .bg-accent-soft {
            background: var(--accent-bg);
        }
        .rounded-2xl {
            border-radius: var(--radius-lg);
        }
        .shadow-card {
            box-shadow: var(--shadow-card);
        }
        .gap-4 {
            gap: 1rem;
        }
        .gap-6 {
            gap: 1.5rem;
        }
        .gap-8 {
            gap: 2rem;
        }
        .grid-2 {
            display: grid;
            grid-template-columns: 1fr 1fr;
        }
        .grid-3 {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
        }
        @media (max-width:860px) {
            .grid-3 {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width:640px) {
            .grid-2,
            .grid-3 {
                grid-template-columns: 1fr;
            }
        }
        /* ===== Topic intro ===== */
        .topic-intro-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .topic-intro-wrap .intro-img {
            border-radius: var(--radius-lg);
            object-fit: cover;
            width: 100%;
            height: 340px;
            box-shadow: var(--shadow-card);
        }
        @media (max-width:768px) {
            .topic-intro-wrap {
                grid-template-columns: 1fr;
            }
            .topic-intro-wrap .intro-img {
                height: 220px;
            }
        }
        /* ===== Resource list ===== */
        .resource-item {
            display: flex;
            gap: 16px;
            padding: 18px 0;
            border-bottom: 1px solid var(--border-color);
            align-items: center;
        }
        .resource-item:last-child {
            border-bottom: none;
        }
        .resource-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--primary-bg);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            flex-shrink: 0;
        }
        .resource-info {
            flex: 1;
        }
        .resource-info h4 {
            font-weight: 600;
            font-size: 1rem;
            color: var(--primary-dark);
        }
        .resource-info p {
            color: var(--text-weak);
            font-size: 0.88rem;
            margin-top: 2px;
        }
        .resource-info .badge {
            display: inline-block;
            padding: 1px 10px;
            border-radius: 9999px;
            font-size: 0.7rem;
            font-weight: 600;
            background: var(--accent-bg);
            color: var(--accent-dark);
            margin-top: 4px;
        }
        /* ===== Quick nav grid ===== */
        .quick-nav-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .quick-nav-item {
            background: #fff;
            border-radius: var(--radius);
            padding: 20px 16px;
            text-align: center;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            cursor: pointer;
        }
        .quick-nav-item:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-card);
            transform: translateY(-2px);
        }
        .quick-nav-item i {
            font-size: 1.6rem;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .quick-nav-item span {
            display: block;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--primary-dark);
        }
        @media (max-width:768px) {
            .quick-nav-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width:420px) {
            .quick-nav-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

/* roulang page: article */
:root {
            --primary: #2563eb;
            --primary-dark: #1e40af;
            --accent: #eab308;
            --accent-dark: #a16207;
            --bg-body: #f8fafc;
            --text-body: #1e293b;
            --text-muted: #64748b;
            --border-light: #e2e8f0;
            --radius-card: 1rem;
            --shadow-card: 0 4px 24px rgba(0,0,0,0.06);
            --shadow-hover: 0 12px 40px rgba(0,0,0,0.10);
            --transition: 0.25s cubic-bezier(0.4,0,0.2,1);
        }
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body { font-family: 'Inter', 'Noto Sans SC', system-ui, -apple-system, sans-serif; background: var(--bg-body); color: var(--text-body); line-height: 1.7; }
        a { color: inherit; text-decoration: none; transition: var(--transition); }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-card); }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
        /* header */
        .site-header { background: #ffffff; border-bottom: 1px solid var(--border-light); position: sticky; top: 0; z-index: 100; backdrop-filter: blur(12px); background: rgba(255,255,255,0.92); }
        .nav-inner { display: flex; align-items: center; justify-content: center; gap: 1rem; padding: 0.75rem 0; position: relative; }
        .nav-logo { font-size: 1.5rem; font-weight: 700; letter-spacing: -0.02em; color: var(--primary); transition: var(--transition); white-space: nowrap; }
        .nav-logo span { color: var(--accent); }
        .nav-logo:hover { opacity: 0.8; }
        .nav-links { display: flex; gap: 0.25rem; list-style: none; align-items: center; }
        .nav-links li a { padding: 0.5rem 1rem; border-radius: 2rem; font-size: 0.95rem; font-weight: 500; color: var(--text-muted); transition: var(--transition); white-space: nowrap; }
        .nav-links li a:hover { background: var(--primary); color: #fff; }
        .nav-links li a.active { background: var(--primary); color: #fff; }
        .hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 8px; border-radius: 8px; transition: var(--transition); }
        .hamburger span { display: block; width: 26px; height: 2.5px; background: var(--text-body); border-radius: 4px; transition: var(--transition); }
        .hamburger:hover { background: var(--border-light); }
        .hamburger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
        .hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
        .hamburger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }
        .mobile-menu { display: none; flex-direction: column; gap: 0.5rem; padding: 1rem 1.5rem 1.5rem; background: #fff; border-top: 1px solid var(--border-light); }
        .mobile-menu.open { display: flex; }
        .mobile-menu a { padding: 0.75rem 1rem; border-radius: 1rem; font-size: 1rem; font-weight: 500; color: var(--text-muted); transition: var(--transition); }
        .mobile-menu a:hover { background: var(--primary); color: #fff; }
        .mobile-menu a.active { background: var(--primary); color: #fff; }
        /* footer */
        .site-footer { background: #0f172a; color: #cbd5e1; padding: 3.5rem 0 0; }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 2.5rem; margin-bottom: 2.5rem; }
        .footer-brand .nav-logo { font-size: 1.3rem; display: inline-block; margin-bottom: 1rem; }
        .footer-brand p { font-size: 0.95rem; line-height: 1.7; color: #94a3b8; max-width: 32rem; }
        .footer-col h4 { font-size: 1rem; font-weight: 600; color: #f1f5f9; margin-bottom: 1.25rem; }
        .footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 0.7rem; }
        .footer-col ul li a { color: #94a3b8; font-size: 0.95rem; transition: var(--transition); }
        .footer-col ul li a:hover { color: var(--accent); }
        .footer-bottom { border-top: 1px solid #1e293b; padding: 1.5rem 0; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 0.75rem; font-size: 0.9rem; color: #64748b; }
        .footer-bottom a { color: var(--accent); }
        .footer-bottom a:hover { color: #fff; }
        /* article specific */
        .article-hero { position: relative; min-height: 42vh; display: flex; align-items: center; justify-content: center; text-align: center; padding: 4rem 1.5rem; background-size: cover; background-position: center; border-radius: 0 0 2.5rem 2.5rem; overflow: hidden; }
        .article-hero::before { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(15,23,42,0.82) 0%, rgba(30,58,138,0.70) 100%); }
        .article-hero-content { position: relative; z-index: 2; max-width: 800px; }
        .article-hero .category-badge { display: inline-block; background: var(--accent); color: #1e293b; padding: 0.35rem 1.2rem; border-radius: 2rem; font-size: 0.85rem; font-weight: 600; letter-spacing: 0.02em; margin-bottom: 1.25rem; }
        .article-hero h1 { font-size: clamp(1.8rem, 5vw, 3.2rem); font-weight: 800; color: #fff; line-height: 1.25; margin-bottom: 1rem; text-shadow: 0 2px 12px rgba(0,0,0,0.15); }
        .article-hero .meta { font-size: 0.95rem; color: #cbd5e1; display: flex; justify-content: center; gap: 1.5rem; flex-wrap: wrap; }
        .article-hero .meta i { margin-right: 0.4rem; }
        .article-body { padding: 3rem 1.5rem 2rem; }
        .article-body .content { max-width: 780px; margin: 0 auto; font-size: 1.08rem; line-height: 1.9; color: #1e293b; }
        .article-body .content p { margin-bottom: 1.5rem; }
        .article-body .content h2 { font-size: 1.6rem; font-weight: 700; margin-top: 2.5rem; margin-bottom: 1rem; color: #0f172a; }
        .article-body .content h3 { font-size: 1.3rem; font-weight: 600; margin-top: 2rem; margin-bottom: 0.75rem; color: #1e293b; }
        .article-body .content ul, .article-body .content ol { margin-bottom: 1.5rem; padding-left: 1.8rem; }
        .article-body .content li { margin-bottom: 0.5rem; }
        .article-body .content img { border-radius: 1rem; margin: 2rem auto; box-shadow: var(--shadow-card); }
        .article-body .content blockquote { border-left: 4px solid var(--primary); background: #f1f5f9; padding: 1.2rem 1.8rem; margin: 1.8rem 0; border-radius: 0 1rem 1rem 0; color: #334155; font-style: italic; }
        .article-body .content a { color: var(--primary); border-bottom: 1px solid transparent; }
        .article-body .content a:hover { border-bottom-color: var(--primary); }
        .article-tags { max-width: 780px; margin: 1.5rem auto 0; display: flex; gap: 0.75rem; flex-wrap: wrap; padding-top: 1.5rem; border-top: 1px solid var(--border-light); }
        .article-tags .tag { background: #e2e8f0; padding: 0.3rem 1rem; border-radius: 2rem; font-size: 0.85rem; color: #475569; transition: var(--transition); }
        .article-tags .tag:hover { background: var(--primary); color: #fff; }
        .article-share { max-width: 780px; margin: 1.5rem auto 0; display: flex; gap: 0.75rem; align-items: center; padding-top: 1rem; }
        .article-share span { font-size: 0.95rem; color: var(--text-muted); font-weight: 500; }
        .article-share a { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: 50%; background: #f1f5f9; color: #475569; transition: var(--transition); font-size: 1.1rem; }
        .article-share a:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }
        .article-nav { max-width: 780px; margin: 2.5rem auto 0; display: flex; justify-content: space-between; gap: 1.5rem; flex-wrap: wrap; }
        .article-nav a { display: flex; align-items: center; gap: 0.6rem; padding: 0.75rem 1.5rem; border-radius: 2rem; background: #f1f5f9; color: var(--text-body); font-size: 0.95rem; font-weight: 500; transition: var(--transition); }
        .article-nav a:hover { background: var(--primary); color: #fff; }
        .related-section { padding: 3.5rem 1.5rem; background: #f1f5f9; }
        .related-section .section-title { text-align: center; font-size: 1.8rem; font-weight: 700; margin-bottom: 2.5rem; color: #0f172a; }
        .related-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1.8rem; }
        .related-card { background: #fff; border-radius: var(--radius-card); overflow: hidden; box-shadow: var(--shadow-card); transition: var(--transition); }
        .related-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
        .related-card img { width: 100%; height: 180px; object-fit: cover; border-radius: var(--radius-card) var(--radius-card) 0 0; }
        .related-card .card-body { padding: 1.25rem 1.5rem 1.5rem; }
        .related-card .card-body h3 { font-size: 1.1rem; font-weight: 600; margin-bottom: 0.5rem; color: #0f172a; }
        .related-card .card-body p { font-size: 0.9rem; color: var(--text-muted); line-height: 1.6; }
        .related-card .card-body .meta { font-size: 0.8rem; color: #94a3b8; margin-top: 0.75rem; display: flex; gap: 1rem; }
        .cta-section { padding: 3.5rem 1.5rem; text-align: center; background: #ffffff; }
        .cta-section h2 { font-size: 1.8rem; font-weight: 700; color: #0f172a; margin-bottom: 0.75rem; }
        .cta-section p { color: var(--text-muted); max-width: 560px; margin: 0 auto 1.8rem; font-size: 1.05rem; }
        .cta-section .btn-group { display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap; }
        .btn { display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.75rem 2rem; border-radius: 2rem; font-size: 1rem; font-weight: 600; border: none; cursor: pointer; transition: var(--transition); }
        .btn-primary { background: var(--primary); color: #fff; }
        .btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(37,99,235,0.30); }
        .btn-outline { background: transparent; color: var(--primary); border: 2px solid var(--primary); }
        .btn-outline:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }
        .not-found { text-align: center; padding: 5rem 1.5rem; }
        .not-found h2 { font-size: 2.2rem; font-weight: 700; color: #0f172a; margin-bottom: 1rem; }
        .not-found p { color: var(--text-muted); font-size: 1.1rem; margin-bottom: 2rem; }
        .not-found a { color: var(--primary); font-weight: 600; border-bottom: 1px solid transparent; }
        .not-found a:hover { border-bottom-color: var(--primary); }
        @media (max-width: 1024px) {
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
            .nav-links { display: none; }
            .hamburger { display: flex; }
            .nav-inner { justify-content: space-between; }
            .nav-logo { order: 1; }
            .hamburger { order: 0; }
            .nav-inner .nav-links:last-child { display: none; }
            .mobile-menu.open + .nav-inner .nav-links { display: none; }
        }
        @media (max-width: 768px) {
            .container { padding: 0 1rem; }
            .article-hero { min-height: 32vh; padding: 3rem 1rem; border-radius: 0 0 1.8rem 1.8rem; }
            .article-hero h1 { font-size: 1.6rem; }
            .article-body { padding: 2rem 1rem 1.5rem; }
            .article-body .content { font-size: 1rem; }
            .related-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; gap: 1.8rem; }
            .footer-bottom { flex-direction: column; align-items: center; text-align: center; }
            .article-nav { flex-direction: column; align-items: stretch; }
            .article-nav a { justify-content: center; }
            .cta-section h2 { font-size: 1.4rem; }
            .btn { width: 100%; justify-content: center; }
        }
        @media (max-width: 520px) {
            .article-hero { min-height: 28vh; padding: 2rem 1rem; }
            .article-hero h1 { font-size: 1.3rem; }
            .article-body .content { font-size: 0.95rem; }
            .related-card img { height: 160px; }
            .nav-logo { font-size: 1.2rem; }
            .site-header { padding: 0 0.5rem; }
        }
        @media (min-width: 1025px) {
            .mobile-menu { display: none !important; }
        }