/* roulang page: index */
:root {
            --primary: #1e3a5f;
            --primary-light: #2a5298;
            --primary-dark: #0f2440;
            --accent: #d4a843;
            --accent-light: #e8c56d;
            --accent-dark: #b8902e;
            --bg-light: #f8fafc;
            --bg-card: #ffffff;
            --text-dark: #0f172a;
            --text-muted: #64748b;
            --text-light: #94a3b8;
            --border-light: #e2e8f0;
            --radius: 12px;
            --radius-sm: 8px;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
            --shadow-md: 0 4px 20px rgba(0,0,0,0.08), 0 2px 6px rgba(0,0,0,0.04);
            --shadow-lg: 0 12px 40px rgba(0,0,0,0.12), 0 4px 12px rgba(0,0,0,0.06);
            --transition: 0.25s ease;
        }
        * { margin: 0; padding: 0; box-sizing: border-box; }
        body { font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; background: var(--bg-light); color: var(--text-dark); line-height: 1.6; }
        img { max-width: 100%; height: auto; display: block; }
        a { color: inherit; text-decoration: none; transition: color var(--transition); }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        .glass-header { position: fixed; top: 0; left: 0; width: 100%; z-index: 999; background: rgba(255,255,255,0.12); backdrop-filter: blur(18px) saturate(180%); -webkit-backdrop-filter: blur(18px) saturate(180%); border-bottom: 1px solid rgba(255,255,255,0.25); box-shadow: 0 2px 20px rgba(0,0,0,0.06); transition: background 0.4s ease, box-shadow 0.4s ease, border-color 0.4s ease; }
        .glass-header.scrolled { background: rgba(255,255,255,0.92); backdrop-filter: blur(20px) saturate(200%); -webkit-backdrop-filter: blur(20px) saturate(200%); border-bottom: 1px solid rgba(226,232,240,0.6); box-shadow: 0 4px 30px rgba(0,0,0,0.08); }
        .glass-header .nav-link { position: relative; font-weight: 500; font-size: 0.95rem; padding: 0.5rem 0; color: rgba(255,255,255,0.9); transition: color var(--transition); }
        .glass-header.scrolled .nav-link { color: var(--text-dark); }
        .glass-header .nav-link::after { content: ''; position: absolute; left: 0; bottom: -2px; width: 0; height: 2px; background: var(--accent); transition: width var(--transition); border-radius: 2px; }
        .glass-header .nav-link:hover::after, .glass-header .nav-link.active::after { width: 100%; }
        .glass-header .nav-link.active { color: var(--accent); }
        .glass-header.scrolled .nav-link.active { color: var(--accent); }
        .glass-header .nav-cta { background: var(--accent); color: #0f2440; font-weight: 600; padding: 0.5rem 1.5rem; border-radius: 50px; font-size: 0.9rem; transition: background var(--transition), transform var(--transition), box-shadow var(--transition); box-shadow: 0 2px 12px rgba(212,168,67,0.3); }
        .glass-header .nav-cta:hover { background: var(--accent-light); transform: translateY(-1px); box-shadow: 0 4px 20px rgba(212,168,67,0.4); }
        .glass-header.scrolled .nav-cta { box-shadow: 0 2px 12px rgba(212,168,67,0.3); }
        .hero-section { position: relative; min-height: 100vh; display: flex; align-items: center; justify-content: center; overflow: hidden; background: var(--primary-dark); }
        .hero-bg { position: absolute; inset: 0; background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat; opacity: 0.55; transform: scale(1.02); }
        .hero-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(15,36,64,0.75) 0%, rgba(30,58,95,0.55) 50%, rgba(15,36,64,0.7) 100%); }
        .hero-content { position: relative; z-index: 2; text-align: center; padding: 140px 20px 80px; max-width: 860px; }
        .hero-content h1 { font-size: clamp(2.2rem, 6vw, 3.6rem); font-weight: 800; line-height: 1.2; color: #fff; text-shadow: 0 2px 20px rgba(0,0,0,0.3); letter-spacing: -0.01em; }
        .hero-content .hero-sub { font-size: clamp(1.05rem, 2vw, 1.3rem); color: rgba(255,255,255,0.85); margin-top: 1.2rem; max-width: 680px; margin-left: auto; margin-right: auto; line-height: 1.7; text-shadow: 0 1px 8px rgba(0,0,0,0.2); }
        .hero-content .hero-badges { display: flex; flex-wrap: wrap; gap: 0.6rem 1rem; justify-content: center; margin-top: 1.8rem; }
        .hero-content .hero-badges span { background: rgba(255,255,255,0.15); backdrop-filter: blur(6px); border: 1px solid rgba(255,255,255,0.2); padding: 0.35rem 1.2rem; border-radius: 50px; font-size: 0.85rem; color: rgba(255,255,255,0.95); font-weight: 500; }
        .hero-content .hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: center; margin-top: 2.4rem; }
        .hero-content .btn-primary { background: var(--accent); color: #0f2440; font-weight: 700; padding: 0.9rem 2.8rem; border-radius: 50px; font-size: 1.05rem; border: none; cursor: pointer; transition: background var(--transition), transform var(--transition), box-shadow var(--transition); box-shadow: 0 4px 24px rgba(212,168,67,0.35); }
        .hero-content .btn-primary:hover { background: var(--accent-light); transform: translateY(-2px); box-shadow: 0 8px 32px rgba(212,168,67,0.45); }
        .hero-content .btn-outline { background: transparent; color: #fff; font-weight: 600; padding: 0.85rem 2.4rem; border-radius: 50px; font-size: 1.05rem; border: 2px solid rgba(255,255,255,0.4); cursor: pointer; transition: background var(--transition), border-color var(--transition), transform var(--transition); }
        .hero-content .btn-outline:hover { background: rgba(255,255,255,0.12); border-color: rgba(255,255,255,0.7); transform: translateY(-2px); }
        .section-title { font-size: clamp(1.6rem, 4vw, 2.2rem); font-weight: 700; color: var(--primary); margin-bottom: 0.6rem; letter-spacing: -0.01em; }
        .section-sub { font-size: 1.05rem; color: var(--text-muted); max-width: 680px; line-height: 1.7; }
        .section-padding { padding: 5rem 0; }
        .card-base { background: var(--bg-card); border-radius: var(--radius); box-shadow: var(--shadow-sm); border: 1px solid var(--border-light); transition: box-shadow var(--transition), transform var(--transition); }
        .card-base:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
        .badge-accent { display: inline-block; background: rgba(212,168,67,0.12); color: var(--accent-dark); font-weight: 600; font-size: 0.8rem; padding: 0.25rem 1rem; border-radius: 50px; border: 1px solid rgba(212,168,67,0.2); }
        .stat-number { font-size: clamp(2.2rem, 5vw, 3.2rem); font-weight: 800; color: var(--primary); line-height: 1.1; }
        .stat-label { font-size: 0.95rem; color: var(--text-muted); margin-top: 0.25rem; }
        .step-card { text-align: center; padding: 2rem 1.5rem; }
        .step-card .step-num { width: 48px; height: 48px; border-radius: 50%; background: var(--primary); color: #fff; font-weight: 700; font-size: 1.2rem; display: flex; align-items: center; justify-content: center; margin: 0 auto 1rem; }
        .faq-item { border-bottom: 1px solid var(--border-light); padding: 1.2rem 0; }
        .faq-item:last-child { border-bottom: none; }
        .faq-question { font-weight: 600; font-size: 1.05rem; color: var(--text-dark); cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
        .faq-question i { color: var(--accent); transition: transform 0.3s ease; font-size: 0.9rem; }
        .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-muted); line-height: 1.7; }
        .faq-answer.show { max-height: 400px; padding-top: 0.8rem; }
        .cta-section { background: var(--primary); position: relative; overflow: hidden; }
        .cta-section::before { content: ''; position: absolute; inset: 0; background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat; opacity: 0.08; }
        .cta-section .container { position: relative; z-index: 1; }
        .footer { background: var(--primary-dark); color: rgba(255,255,255,0.7); }
        .footer a { color: rgba(255,255,255,0.65); transition: color var(--transition); }
        .footer a:hover { color: var(--accent); }
        .footer .footer-title { color: #fff; font-weight: 600; font-size: 1rem; margin-bottom: 0.8rem; }
        .footer .copyright { border-top: 1px solid rgba(255,255,255,0.08); padding-top: 1.5rem; margin-top: 2.5rem; text-align: center; font-size: 0.85rem; color: rgba(255,255,255,0.4); }
        .content-list-item { padding: 1rem 1.4rem; border-bottom: 1px solid var(--border-light); transition: background var(--transition); }
        .content-list-item:last-child { border-bottom: none; }
        .content-list-item:hover { background: rgba(30,58,95,0.02); }
        .content-list-item .post-title { font-weight: 600; color: var(--text-dark); font-size: 1rem; transition: color var(--transition); }
        .content-list-item:hover .post-title { color: var(--primary-light); }
        .content-list-item .post-meta { font-size: 0.82rem; color: var(--text-light); margin-top: 0.2rem; }
        .content-list-item .post-excerpt { font-size: 0.9rem; color: var(--text-muted); margin-top: 0.3rem; line-height: 1.6; }
        .empty-state { padding: 2.5rem 1.5rem; text-align: center; color: var(--text-light); font-size: 1rem; }
        .empty-state i { font-size: 2.5rem; display: block; margin-bottom: 0.8rem; color: var(--border-light); }
        .mobile-menu-btn { display: none; background: none; border: none; font-size: 1.5rem; color: rgba(255,255,255,0.9); cursor: pointer; padding: 0.25rem; }
        .glass-header.scrolled .mobile-menu-btn { color: var(--text-dark); }
        .mobile-nav { display: none; position: absolute; top: 100%; left: 0; width: 100%; background: rgba(255,255,255,0.96); backdrop-filter: blur(20px); border-bottom: 1px solid var(--border-light); padding: 1rem 1.5rem; box-shadow: var(--shadow-md); }
        .mobile-nav.open { display: block; }
        .mobile-nav a { display: block; padding: 0.7rem 0; font-weight: 500; color: var(--text-dark); border-bottom: 1px solid var(--border-light); }
        .mobile-nav a:last-child { border-bottom: none; }
        @media (max-width: 768px) {
            .nav-links { display: none !important; }
            .mobile-menu-btn { display: block; }
            .section-padding { padding: 3.5rem 0; }
            .hero-content { padding: 120px 16px 60px; }
            .hero-content h1 { font-size: 1.9rem; }
            .hero-content .hero-actions { flex-direction: column; align-items: center; }
            .hero-content .btn-primary, .hero-content .btn-outline { width: 100%; max-width: 320px; text-align: center; }
            .stat-number { font-size: 2rem; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 14px; }
            .section-padding { padding: 2.5rem 0; }
            .hero-content h1 { font-size: 1.6rem; }
            .hero-content .hero-sub { font-size: 0.95rem; }
            .section-title { font-size: 1.4rem; }
            .content-list-item { padding: 0.8rem 1rem; }
            .step-card { padding: 1.5rem 1rem; }
        }
        .grid-gap { gap: 1.5rem; }
        @media (min-width: 769px) {
            .grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
            .grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
            .grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
        }
        @media (max-width: 768px) {
            .grid-3, .grid-2, .grid-4 { display: grid; gap: 1.2rem; }
            .grid-3 { grid-template-columns: 1fr; }
            .grid-2 { grid-template-columns: 1fr; }
            .grid-4 { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 480px) {
            .grid-4 { grid-template-columns: 1fr; }
        }
        .feature-icon { width: 52px; height: 52px; border-radius: var(--radius-sm); background: rgba(30,58,95,0.08); display: flex; align-items: center; justify-content: center; font-size: 1.4rem; color: var(--primary); flex-shrink: 0; }
        .feature-card { display: flex; gap: 1.2rem; padding: 1.5rem; align-items: flex-start; border-radius: var(--radius); background: var(--bg-card); border: 1px solid var(--border-light); transition: box-shadow var(--transition), transform var(--transition); }
        .feature-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
        .feature-card .fc-title { font-weight: 600; font-size: 1.05rem; color: var(--text-dark); margin-bottom: 0.3rem; }
        .feature-card .fc-desc { font-size: 0.9rem; color: var(--text-muted); line-height: 1.6; }
        .tag { display: inline-block; background: rgba(30,58,95,0.06); color: var(--text-muted); font-size: 0.75rem; padding: 0.15rem 0.7rem; border-radius: 4px; font-weight: 500; }
        .section-label { display: inline-block; background: rgba(212,168,67,0.1); color: var(--accent-dark); font-weight: 600; font-size: 0.8rem; padding: 0.2rem 1.2rem; border-radius: 50px; margin-bottom: 0.8rem; letter-spacing: 0.02em; border: 1px solid rgba(212,168,67,0.15); }
        .bg-soft-primary { background: rgba(30,58,95,0.04); }
        .rounded-xl { border-radius: var(--radius); }
        .shadow-card { box-shadow: var(--shadow-sm); }

/* roulang page: article */
:root {
            --primary: #e53e3e;
            --primary-dark: #c53030;
            --primary-light: #f56565;
            --accent: #f6ad55;
            --bg-dark: #0f0f1a;
            --bg-card: #1a1a2e;
            --bg-section: #12121f;
            --text-light: #f7fafc;
            --text-muted: #a0aec0;
            --border-glass: rgba(255, 255, 255, 0.08);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
            --radius-card: 1rem;
            --radius-btn: 0.75rem;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: 'Inter', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            background: var(--bg-dark);
            color: var(--text-light);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

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

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        .section-padding {
            padding: 4.5rem 0;
        }

        /* 导航 */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 999;
            padding: 0.75rem 0;
            background: rgba(15, 15, 26, 0.65);
            backdrop-filter: blur(18px) saturate(1.4);
            -webkit-backdrop-filter: blur(18px) saturate(1.4);
            border-bottom: 1px solid var(--border-glass);
            transition: var(--transition);
        }

        .header.scrolled {
            background: rgba(15, 15, 26, 0.92);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
        }

        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: nowrap;
        }

        .logo {
            font-size: 1.35rem;
            font-weight: 700;
            letter-spacing: 0.01em;
            background: linear-gradient(135deg, #f6ad55, #e53e3e);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            white-space: nowrap;
        }

        .logo i {
            -webkit-text-fill-color: initial;
            color: var(--accent);
            margin-right: 0.35rem;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 1.75rem;
            list-style: none;
        }

        .nav-link {
            font-size: 0.9rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.75);
            padding: 0.35rem 0;
            position: relative;
            transition: var(--transition);
            letter-spacing: 0.02em;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            border-radius: 4px;
            transition: var(--transition);
        }

        .nav-link:hover {
            color: #fff;
        }

        .nav-link:hover::after {
            width: 100%;
        }

        .nav-link.active {
            color: #fff;
        }

        .nav-link.active::after {
            width: 100%;
            background: var(--primary-light);
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff !important;
            font-size: 0.85rem;
            font-weight: 600;
            padding: 0.55rem 1.4rem;
            border-radius: var(--radius-btn);
            box-shadow: 0 4px 18px rgba(229, 62, 62, 0.35);
            transition: var(--transition);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .nav-cta:hover {
            transform: translateY(-2px) scale(1.02);
            box-shadow: 0 8px 28px rgba(229, 62, 62, 0.5);
        }

        .nav-cta:active {
            transform: scale(0.96);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.5rem;
            cursor: pointer;
            padding: 0.25rem;
        }

        /* Hero 文章 Banner */
        .article-hero {
            position: relative;
            min-height: 42vh;
            display: flex;
            align-items: flex-end;
            padding: 8rem 0 3.5rem;
            background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
            isolation: isolate;
        }

        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 15, 26, 0.3) 0%, rgba(15, 15, 26, 0.85) 70%, var(--bg-dark) 100%);
            z-index: 1;
        }

        .article-hero .container {
            position: relative;
            z-index: 2;
            width: 100%;
        }

        .article-hero .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.4rem 0.6rem;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.55);
            margin-bottom: 1.2rem;
        }

        .article-hero .breadcrumb a {
            color: rgba(255, 255, 255, 0.55);
            transition: var(--transition);
        }

        .article-hero .breadcrumb a:hover {
            color: var(--accent);
        }

        .article-hero .breadcrumb .sep {
            color: rgba(255, 255, 255, 0.25);
            font-size: 0.65rem;
        }

        .article-hero h1 {
            font-size: clamp(1.6rem, 4vw, 2.8rem);
            font-weight: 800;
            line-height: 1.25;
            max-width: 900px;
            color: #fff;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
            word-break: break-word;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.8rem 2rem;
            margin-top: 1.2rem;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
        }

        .article-meta .meta-item {
            display: flex;
            align-items: center;
            gap: 0.45rem;
        }

        .article-meta .meta-item i {
            font-size: 0.8rem;
            color: var(--accent);
        }

        .article-meta .category-tag {
            display: inline-block;
            background: rgba(229, 62, 62, 0.25);
            color: var(--primary-light);
            padding: 0.2rem 0.9rem;
            border-radius: 999px;
            font-size: 0.75rem;
            font-weight: 500;
            border: 1px solid rgba(229, 62, 62, 0.2);
        }

        /* 文章正文 */
        .article-body-wrap {
            background: var(--bg-section);
            padding: 3rem 0 4rem;
        }

        .article-body {
            max-width: 820px;
            margin: 0 auto;
            background: var(--bg-card);
            border-radius: var(--radius-card);
            padding: 2.5rem 2.8rem;
            border: 1px solid var(--border-glass);
            box-shadow: var(--shadow-card);
        }

        .article-body .content {
            font-size: 1.025rem;
            line-height: 1.9;
            color: rgba(255, 255, 255, 0.88);
        }

        .article-body .content p {
            margin-bottom: 1.25rem;
        }

        .article-body .content h2,
        .article-body .content h3 {
            font-weight: 700;
            color: #fff;
            margin-top: 2rem;
            margin-bottom: 0.8rem;
        }

        .article-body .content h2 {
            font-size: 1.5rem;
        }

        .article-body .content h3 {
            font-size: 1.2rem;
        }

        .article-body .content ul,
        .article-body .content ol {
            margin: 0.8rem 0 1.2rem 1.5rem;
        }

        .article-body .content li {
            margin-bottom: 0.4rem;
        }

        .article-body .content a {
            color: var(--primary-light);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .article-body .content a:hover {
            color: var(--accent);
        }

        .article-body .content img {
            border-radius: 0.75rem;
            margin: 1.5rem 0;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
        }

        .article-body .content blockquote {
            border-left: 4px solid var(--primary);
            padding: 0.8rem 1.2rem;
            margin: 1.5rem 0;
            background: rgba(229, 62, 62, 0.08);
            border-radius: 0 0.5rem 0.5rem 0;
            color: rgba(255, 255, 255, 0.75);
        }

        .article-body .content code {
            background: rgba(255, 255, 255, 0.08);
            padding: 0.15rem 0.5rem;
            border-radius: 0.35rem;
            font-size: 0.9em;
        }

        .article-body .content pre {
            background: rgba(0, 0, 0, 0.4);
            padding: 1.2rem;
            border-radius: 0.75rem;
            overflow-x: auto;
            margin: 1.5rem 0;
            border: 1px solid var(--border-glass);
        }

        .article-not-found {
            text-align: center;
            padding: 4rem 2rem;
            color: var(--text-muted);
        }

        .article-not-found i {
            font-size: 3rem;
            color: var(--primary-light);
            margin-bottom: 1rem;
            opacity: 0.6;
        }

        .article-not-found h3 {
            font-size: 1.4rem;
            color: #fff;
            margin-bottom: 0.5rem;
        }

        .article-not-found p {
            max-width: 400px;
            margin: 0 auto 1.5rem;
        }

        .article-not-found .back-home {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: var(--primary);
            color: #fff;
            padding: 0.6rem 1.6rem;
            border-radius: var(--radius-btn);
            font-weight: 600;
            transition: var(--transition);
        }

        .article-not-found .back-home:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
        }

        /* 标签分享 */
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.6rem;
            margin-top: 2.2rem;
            padding-top: 1.5rem;
            border-top: 1px solid var(--border-glass);
        }

        .article-tags .tag-label {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-right: 0.3rem;
        }

        .article-tags .tag-item {
            display: inline-block;
            background: rgba(255, 255, 255, 0.06);
            color: rgba(255, 255, 255, 0.7);
            padding: 0.25rem 0.85rem;
            border-radius: 999px;
            font-size: 0.75rem;
            border: 1px solid var(--border-glass);
            transition: var(--transition);
        }

        .article-tags .tag-item:hover {
            background: rgba(229, 62, 62, 0.2);
            color: var(--primary-light);
            border-color: var(--primary);
        }

        /* 相关推荐 */
        .related-section {
            background: var(--bg-dark);
            padding: 3.5rem 0;
        }

        .related-section .section-title {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 2rem;
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }

        .related-section .section-title i {
            color: var(--accent);
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .related-card {
            background: var(--bg-card);
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--border-glass);
            transition: var(--transition);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
        }

        .related-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
            border-color: rgba(229, 62, 62, 0.2);
        }

        .related-card .card-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            display: block;
        }

        .related-card .card-body {
            padding: 1.2rem 1.3rem 1.4rem;
        }

        .related-card .card-body h4 {
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 0.4rem;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-card .card-body p {
            font-size: 0.82rem;
            color: var(--text-muted);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-card .card-body .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 0.8rem;
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.35);
        }

        /* FAQ */
        .faq-section {
            background: var(--bg-section);
            padding: 3.5rem 0;
        }

        .faq-section .section-title {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 2rem;
            text-align: center;
        }

        .faq-grid {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }

        .faq-item {
            background: var(--bg-card);
            border-radius: 0.8rem;
            border: 1px solid var(--border-glass);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(229, 62, 62, 0.15);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1.1rem 1.4rem;
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            cursor: pointer;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
            gap: 1rem;
        }

        .faq-question i {
            color: var(--accent);
            font-size: 0.9rem;
            transition: var(--transition);
            flex-shrink: 0;
        }

        .faq-question.open i {
            transform: rotate(180deg);
        }

        .faq-answer {
            padding: 0 1.4rem 1.1rem;
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
            display: none;
        }

        .faq-answer.open {
            display: block;
        }

        /* CTA */
        .cta-section {
            padding: 4rem 0;
            background: linear-gradient(135deg, rgba(229, 62, 62, 0.08), rgba(246, 173, 85, 0.05));
            border-top: 1px solid var(--border-glass);
            border-bottom: 1px solid var(--border-glass);
        }

        .cta-box {
            max-width: 700px;
            margin: 0 auto;
            text-align: center;
        }

        .cta-box h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 0.8rem;
        }

        .cta-box p {
            color: var(--text-muted);
            font-size: 1rem;
            max-width: 520px;
            margin: 0 auto 1.8rem;
        }

        .cta-box .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            padding: 0.85rem 2.2rem;
            border-radius: var(--radius-btn);
            box-shadow: 0 6px 24px rgba(229, 62, 62, 0.35);
            transition: var(--transition);
        }

        .cta-box .cta-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 36px rgba(229, 62, 62, 0.5);
        }

        .cta-box .cta-btn:active {
            transform: scale(0.97);
        }

        /* 页脚 */
        .footer {
            background: var(--bg-dark);
            border-top: 1px solid var(--border-glass);
        }

        .footer .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
        }

        .footer .footer-title {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.8rem;
        }

        .footer ul {
            list-style: none;
            padding: 0;
        }

        .footer ul li {
            margin-bottom: 0.4rem;
        }

        .footer ul li a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.85rem;
            transition: var(--transition);
        }

        .footer ul li a:hover {
            color: var(--accent);
        }

        .footer .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid var(--border-glass);
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.3);
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .container {
                padding: 0 1.8rem;
            }

            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .section-padding {
                padding: 3rem 0;
            }

            .header .container {
                flex-wrap: wrap;
            }

            .mobile-toggle {
                display: block;
            }

            .nav-links {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                gap: 0.4rem;
                padding: 1rem 0 0.5rem;
                border-top: 1px solid var(--border-glass);
                margin-top: 0.75rem;
            }

            .nav-links.open {
                display: flex;
            }

            .nav-link {
                padding: 0.6rem 0;
                font-size: 0.95rem;
            }

            .nav-cta {
                justify-content: center;
                margin-top: 0.3rem;
                padding: 0.65rem 1.2rem;
                font-size: 0.9rem;
            }

            .article-hero {
                min-height: 32vh;
                padding: 6rem 0 2.5rem;
            }

            .article-hero h1 {
                font-size: 1.4rem;
            }

            .article-meta {
                gap: 0.5rem 1.2rem;
                font-size: 0.78rem;
            }

            .article-body {
                padding: 1.5rem 1.2rem;
                border-radius: 0.75rem;
            }

            .article-body .content {
                font-size: 0.95rem;
            }

            .related-grid {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }

            .related-card .card-img {
                aspect-ratio: 16 / 9;
            }

            .faq-question {
                font-size: 0.88rem;
                padding: 0.9rem 1.1rem;
            }

            .faq-answer {
                padding: 0 1.1rem 0.9rem;
                font-size: 0.84rem;
            }

            .cta-box h2 {
                font-size: 1.4rem;
            }

            .cta-box .cta-btn {
                font-size: 0.92rem;
                padding: 0.7rem 1.6rem;
            }

            .footer .grid-4 {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 1.2rem;
            }

            .section-padding {
                padding: 2.2rem 0;
            }

            .logo {
                font-size: 1.1rem;
            }

            .article-hero {
                min-height: 28vh;
                padding: 5rem 0 2rem;
            }

            .article-hero h1 {
                font-size: 1.2rem;
            }

            .article-body {
                padding: 1.2rem 0.9rem;
            }

            .article-body .content {
                font-size: 0.9rem;
                line-height: 1.75;
            }

            .article-body .content h2 {
                font-size: 1.2rem;
            }

            .article-body .content h3 {
                font-size: 1.05rem;
            }

            .footer .grid-4 {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }

            .footer .copyright {
                font-size: 0.7rem;
            }

            .related-section .section-title {
                font-size: 1.2rem;
            }

            .faq-section .section-title {
                font-size: 1.2rem;
            }

            .cta-box h2 {
                font-size: 1.2rem;
            }

            .cta-box p {
                font-size: 0.88rem;
            }
        }

        /* 工具类 */
        .text-gradient {
            background: linear-gradient(135deg, #f6ad55, #e53e3e);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .space-y-1-5>li+li {
            margin-top: 0.375rem;
        }

        .leading-relaxed {
            line-height: 1.7;
        }

        .text-sm {
            font-size: 0.85rem;
        }

        .text-lg {
            font-size: 1.05rem;
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #1a56db;
            --primary-dark: #1340a0;
            --primary-light: #3b82f6;
            --accent: #f59e0b;
            --accent-dark: #d97706;
            --bg-dark: #0b1120;
            --bg-section: #f8fafc;
            --bg-card: #ffffff;
            --text-main: #1e293b;
            --text-light: #64748b;
            --text-white: #f1f5f9;
            --border-light: #e2e8f0;
            --border-card: #eef2f6;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.1);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
        }

        /* ===== 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);
            color: var(--text-main);
            background: #ffffff;
            line-height: 1.6;
            font-size: 16px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        a:focus-visible,
        button:focus-visible {
            outline: 3px solid var(--primary-light);
            outline-offset: 2px;
        }
        ul {
            list-style: none;
        }

        /* ===== Container ===== */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== Section Padding ===== */
        .section-padding {
            padding: 5rem 0;
        }
        @media (max-width: 768px) {
            .section-padding {
                padding: 3rem 0;
            }
        }

        /* ===== Glass Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 0.75rem 0;
            background: rgba(11, 17, 32, 0.55);
            backdrop-filter: blur(16px) saturate(180%);
            -webkit-backdrop-filter: blur(16px) saturate(180%);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
            transition: background 0.4s, box-shadow 0.4s;
        }
        .site-header.scrolled {
            background: rgba(11, 17, 32, 0.88);
            box-shadow: 0 6px 28px rgba(0, 0, 0, 0.3);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .logo-text {
            font-size: 1.35rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.02em;
            background: linear-gradient(135deg, #fbbf24, #f59e0b);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            white-space: nowrap;
        }
        .logo-text i {
            -webkit-text-fill-color: initial;
            color: #fbbf24;
            margin-right: 6px;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 1.75rem;
        }
        .nav-links .nav-link {
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.9rem;
            font-weight: 500;
            padding: 0.3rem 0;
            position: relative;
            transition: var(--transition);
            letter-spacing: 0.01em;
        }
        .nav-links .nav-link::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
            transition: var(--transition);
        }
        .nav-links .nav-link:hover {
            color: #fff;
        }
        .nav-links .nav-link:hover::after {
            width: 100%;
        }
        .nav-links .nav-link.active {
            color: #fff;
        }
        .nav-links .nav-link.active::after {
            width: 100%;
            background: var(--accent);
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: linear-gradient(135deg, #f59e0b, #d97706);
            color: #0b1120 !important;
            font-weight: 600;
            font-size: 0.9rem;
            padding: 0.55rem 1.5rem;
            border-radius: 50px;
            transition: var(--transition);
            box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
            letter-spacing: 0.02em;
        }
        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 22px rgba(245, 158, 11, 0.5);
            background: linear-gradient(135deg, #fbbf24, #f59e0b);
        }
        .mobile-toggle {
            display: none;
            color: #fff;
            font-size: 1.5rem;
            background: none;
            border: none;
            cursor: pointer;
            padding: 0.2rem 0.4rem;
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                flex-direction: column;
                background: rgba(11, 17, 32, 0.96);
                backdrop-filter: blur(20px);
                padding: 1.2rem 1.5rem;
                gap: 1rem;
                border-bottom: 1px solid rgba(255, 255, 255, 0.06);
                box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
            }
            .nav-links.open {
                display: flex;
            }
            .mobile-toggle {
                display: block;
            }
            .nav-cta {
                margin-top: 0.2rem;
                justify-content: center;
                width: 100%;
            }
            .logo-text {
                font-size: 1.1rem;
            }
        }
        @media (max-width: 480px) {
            .header-inner {
                padding: 0 12px;
            }
            .logo-text {
                font-size: 1rem;
            }
            .nav-cta {
                font-size: 0.8rem;
                padding: 0.45rem 1.1rem;
            }
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 8rem 0 5rem;
            overflow: hidden;
            background: var(--bg-dark);
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
            opacity: 0.55;
            filter: brightness(0.6) saturate(1.1);
            z-index: 0;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(11, 17, 32, 0.3) 0%, rgba(11, 17, 32, 0.85) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 820px;
            padding: 0 20px;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(245, 158, 11, 0.18);
            color: #fbbf24;
            font-size: 0.8rem;
            font-weight: 600;
            padding: 0.4rem 1.2rem;
            border-radius: 50px;
            backdrop-filter: blur(4px);
            border: 1px solid rgba(245, 158, 11, 0.25);
            margin-bottom: 1.5rem;
            letter-spacing: 0.04em;
        }
        .hero h1 {
            font-size: 3.2rem;
            font-weight: 800;
            line-height: 1.2;
            color: #fff;
            margin-bottom: 1.2rem;
            letter-spacing: -0.01em;
        }
        .hero h1 span {
            background: linear-gradient(135deg, #fbbf24, #f59e0b);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero p {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.7);
            max-width: 650px;
            margin: 0 auto 2rem;
            line-height: 1.7;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            justify-content: center;
        }
        .hero-actions .btn-primary {
            background: linear-gradient(135deg, #f59e0b, #d97706);
            color: #0b1120;
            font-weight: 700;
            padding: 0.9rem 2.5rem;
            border-radius: 50px;
            font-size: 1.05rem;
            box-shadow: 0 6px 24px rgba(245, 158, 11, 0.35);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            border: none;
            cursor: pointer;
        }
        .hero-actions .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 34px rgba(245, 158, 11, 0.5);
            background: linear-gradient(135deg, #fbbf24, #f59e0b);
        }
        .hero-actions .btn-secondary {
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(6px);
            color: #fff;
            font-weight: 600;
            padding: 0.9rem 2.2rem;
            border-radius: 50px;
            font-size: 1.05rem;
            border: 1px solid rgba(255, 255, 255, 0.18);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
        }
        .hero-actions .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: rgba(255, 255, 255, 0.3);
            transform: translateY(-2px);
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 2.5rem;
            justify-content: center;
            margin-top: 3rem;
            padding-top: 2.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .hero-stats .stat-item {
            text-align: center;
        }
        .hero-stats .stat-number {
            font-size: 1.8rem;
            font-weight: 800;
            color: #fbbf24;
            line-height: 1.2;
        }
        .hero-stats .stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
            margin-top: 0.2rem;
        }
        @media (max-width: 768px) {
            .hero h1 {
                font-size: 2.2rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .hero-stats {
                gap: 1.5rem;
            }
            .hero-stats .stat-number {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 480px) {
            .hero h1 {
                font-size: 1.7rem;
            }
            .hero-actions .btn-primary,
            .hero-actions .btn-secondary {
                padding: 0.7rem 1.6rem;
                font-size: 0.9rem;
                width: 100%;
                justify-content: center;
            }
        }

        /* ===== Section Headings ===== */
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            text-align: center;
            margin-bottom: 0.6rem;
            color: var(--text-main);
            letter-spacing: -0.01em;
        }
        .section-subtitle {
            text-align: center;
            font-size: 1.05rem;
            color: var(--text-light);
            max-width: 620px;
            margin: 0 auto 3rem;
            line-height: 1.7;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 1.6rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
                margin-bottom: 2rem;
            }
        }

        /* ===== Card Grid ===== */
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.8rem;
        }
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.8rem;
        }
        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.8rem;
        }
        @media (max-width: 992px) {
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .grid-2,
            .grid-3,
            .grid-4 {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }
        }

        /* ===== Feature Card ===== */
        .feature-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 2rem 1.6rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-card);
            transition: var(--transition);
            text-align: center;
        }
        .feature-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: var(--primary-light);
        }
        .feature-card .icon-box {
            width: 60px;
            height: 60px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            margin: 0 auto 1rem;
            color: #fff;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
        }
        .feature-card .icon-box.gold {
            background: linear-gradient(135deg, #f59e0b, #d97706);
        }
        .feature-card .icon-box.teal {
            background: linear-gradient(135deg, #0ea5e9, #0369a1);
        }
        .feature-card .icon-box.rose {
            background: linear-gradient(135deg, #ec4899, #be185d);
        }
        .feature-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: var(--text-main);
        }
        .feature-card p {
            font-size: 0.92rem;
            color: var(--text-light);
            line-height: 1.6;
        }

        /* ===== Step Card ===== */
        .step-card {
            display: flex;
            gap: 1.2rem;
            align-items: flex-start;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 1.8rem 1.6rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-card);
            transition: var(--transition);
        }
        .step-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--primary-light);
        }
        .step-number {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.2rem;
        }
        .step-card .step-content h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 0.3rem;
        }
        .step-card .step-content p {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.6;
        }
        @media (max-width: 480px) {
            .step-card {
                flex-direction: column;
                align-items: center;
                text-align: center;
            }
        }

        /* ===== Scene Card ===== */
        .scene-card {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--bg-card);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-card);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .scene-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .scene-card .scene-img {
            height: 180px;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .scene-card .scene-img .scene-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(245, 158, 11, 0.9);
            color: #0b1120;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 0.2rem 0.8rem;
            border-radius: 50px;
        }
        .scene-card .scene-body {
            padding: 1.4rem 1.4rem 1.8rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .scene-card .scene-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 0.4rem;
        }
        .scene-card .scene-body p {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.6;
            flex: 1;
        }
        .scene-card .scene-body .scene-link {
            margin-top: 0.8rem;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }
        .scene-card .scene-body .scene-link:hover {
            color: var(--primary-dark);
            gap: 0.7rem;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-card);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--primary-light);
        }
        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 1.2rem 1.5rem;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-main);
            text-align: left;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            transition: var(--transition);
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question .faq-icon {
            font-size: 1.2rem;
            transition: var(--transition);
            color: var(--text-light);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 1.5rem;
            color: var(--text-light);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 1.5rem 1.2rem;
        }

        /* ===== Stats / Trust Bar ===== */
        .trust-bar {
            background: var(--bg-dark);
            color: #fff;
        }
        .trust-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
            text-align: center;
        }
        .trust-grid .trust-item .trust-num {
            font-size: 2.4rem;
            font-weight: 800;
            background: linear-gradient(135deg, #fbbf24, #f59e0b);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .trust-grid .trust-item .trust-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 0.3rem;
        }
        @media (max-width: 768px) {
            .trust-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.5rem;
            }
            .trust-grid .trust-item .trust-num {
                font-size: 1.8rem;
            }
        }
        @media (max-width: 480px) {
            .trust-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.2rem;
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--bg-dark) 0%, #151e34 100%);
            color: #fff;
            text-align: center;
            padding: 5rem 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.webp') center center / cover no-repeat;
            opacity: 0.08;
            z-index: 0;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: 2.4rem;
            font-weight: 800;
            margin-bottom: 0.8rem;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.6);
            max-width: 560px;
            margin: 0 auto 2rem;
        }
        .cta-section .btn-cta {
            background: linear-gradient(135deg, #f59e0b, #d97706);
            color: #0b1120;
            font-weight: 700;
            padding: 1rem 3rem;
            border-radius: 50px;
            font-size: 1.1rem;
            border: none;
            cursor: pointer;
            box-shadow: 0 6px 24px rgba(245, 158, 11, 0.3);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 0.7rem;
        }
        .cta-section .btn-cta:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 36px rgba(245, 158, 11, 0.45);
            background: linear-gradient(135deg, #fbbf24, #f59e0b);
        }
        @media (max-width: 768px) {
            .cta-section h2 {
                font-size: 1.8rem;
            }
            .cta-section .btn-cta {
                padding: 0.8rem 2rem;
                font-size: 1rem;
                width: 100%;
                justify-content: center;
            }
        }

        /* ===== Footer ===== */
        .footer {
            background: #0b1120;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer .footer-title {
            font-weight: 700;
            color: #fff;
            font-size: 1rem;
            margin-bottom: 0.8rem;
        }
        .footer ul li a {
            color: rgba(255, 255, 255, 0.45);
            transition: var(--transition);
        }
        .footer ul li a:hover {
            color: #fbbf24;
        }
        .footer .copyright {
            text-align: center;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 1.8rem;
            margin-top: 2.5rem;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.3);
        }
        @media (max-width: 768px) {
            .footer .grid-4 {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
        }
        @media (max-width: 480px) {
            .footer .grid-4 {
                grid-template-columns: 1fr;
                gap: 1.2rem;
            }
        }

        /* ===== Utility ===== */
        .bg-section-light {
            background: var(--bg-section);
        }
        .bg-white {
            background: #fff;
        }
        .text-center {
            text-align: center;
        }
        .mt-1 {
            margin-top: 0.5rem;
        }
        .mt-2 {
            margin-top: 1rem;
        }
        .mt-3 {
            margin-top: 1.5rem;
        }
        .mb-1 {
            margin-bottom: 0.5rem;
        }
        .mb-2 {
            margin-bottom: 1rem;
        }
        .gap-1 {
            gap: 0.5rem;
        }
        .gap-2 {
            gap: 1rem;
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .space-y-1\.5 > *+* {
            margin-top: 0.375rem;
        }

        /* ===== Responsive fine-tune ===== */
        @media (max-width: 1024px) {
            .hero h1 {
                font-size: 2.6rem;
            }
        }
        @media (max-width: 520px) {
            .hero h1 {
                font-size: 1.5rem;
            }
            .hero p {
                font-size: 0.9rem;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .feature-card {
                padding: 1.4rem 1rem;
            }
            .step-card {
                padding: 1.2rem 1rem;
            }
            .scene-card .scene-img {
                height: 140px;
            }
        }