/* roulang page: index */
:root {
            --bg-page: #F4F2EE;
            --bg-soft: #FFFCF8;
            --bg-deep: #0E3B2E;
            --primary: #135C45;
            --primary-dark: #0B4232;
            --primary-soft: #E3EFEA;
            --accent: #C9A45C;
            --accent-dark: #B08D3F;
            --accent-soft: #F3E9D6;
            --ink-1: #22231F;
            --ink-2: #54564F;
            --ink-3: #8E9087;
            --border: #D9D6CE;
            --border-strong: #B8B4A9;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-full: 999px;
            --shadow-1: 0 6px 18px rgba(22,35,28,0.08);
            --shadow-2: 0 16px 40px rgba(22,35,28,0.12);
            --shadow-3: 0 28px 64px rgba(22,35,28,0.18);
            --transition: all 0.25s ease;
            --font-sans: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Helvetica Neue", system-ui, sans-serif;
        }
        *, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body { font-family: var(--font-sans); background: var(--bg-page); color: var(--ink-1); line-height: 1.6; -webkit-font-smoothing: antialiased; }
        img { max-width: 100%; display: block; }
        a { text-decoration: none; color: inherit; transition: var(--transition); }
        button { font-family: inherit; cursor: pointer; border: none; background: none; }
        input { font-family: inherit; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
        .kicker { font-size: 0.75rem; font-weight: 700; letter-spacing: 0.08em; color: var(--accent); text-transform: uppercase; display: flex; align-items: center; gap: 8px; margin-bottom: 12px; }
        .kicker::before { content: ""; display: inline-block; width: 16px; height: 2px; background: var(--accent); }
        .section-title { font-size: clamp(1.5rem, 2.5vw, 2.25rem); font-weight: 700; line-height: 1.3; color: var(--ink-1); margin-bottom: 12px; }
        .section-desc { font-size: 1rem; color: var(--ink-2); line-height: 1.8; max-width: 720px; }
        .btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 28px; border-radius: var(--radius-md); font-size: 0.9375rem; font-weight: 600; line-height: 1.4; transition: var(--transition); white-space: nowrap; }
        .btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
        .btn-primary { background: var(--primary); color: #fff; }
        .btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: var(--shadow-2); }
        .btn-accent { background: var(--accent); color: #1E2A24; }
        .btn-accent:hover { background: var(--accent-dark); color: #fff; box-shadow: var(--shadow-2); transform: translateY(-2px); }
        .btn-outline { border: 1px solid var(--border-strong); color: var(--ink-1); background: transparent; }
        .btn-outline:hover { background: var(--primary-soft); border-color: var(--primary); }
        .btn-light { background: rgba(255,255,255,0.1); color: #fff; border: 1px solid rgba(255,255,255,0.6); backdrop-filter: blur(4px); }
        .btn-light:hover { background: rgba(255,255,255,0.2); transform: translateY(-2px); }
        .btn-block { width: 100%; }
        /* Header */
        .site-header { position: sticky; top: 0; z-index: 100; background: #fff; border-bottom: 1px solid var(--border); }
        .header-main { display: flex; align-items: center; justify-content: space-between; height: 80px; gap: 20px; }
        .logo { display: flex; align-items: center; gap: 10px; font-size: 1.5rem; font-weight: 800; color: var(--primary); white-space: nowrap; }
        .logo-icon { width: 36px; height: 36px; border-radius: 10px; background: var(--primary); display: flex; align-items: center; justify-content: center; color: #fff; font-size: 1rem; }
        .nav-center { flex: 1; display: flex; justify-content: center; }
        .search-box { position: relative; width: min(560px, 40vw); }
        .search-box input { width: 100%; height: 44px; border-radius: var(--radius-full); border: 1px solid var(--border); background: var(--bg-page); padding: 0 48px 0 42px; font-size: 0.9375rem; color: var(--ink-1); transition: var(--transition); }
        .search-box input::placeholder { color: var(--ink-3); }
        .search-box input:hover { border-color: var(--border-strong); }
        .search-box input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-soft); background: #fff; }
        .search-icon { position: absolute; left: 15px; top: 50%; transform: translateY(-50%); color: var(--ink-3); font-size: 0.875rem; pointer-events: none; }
        .search-kbd { position: absolute; right: 14px; top: 50%; transform: translateY(-50%); font-size: 0.6875rem; color: var(--ink-3); background: #fff; border: 1px solid var(--border); border-radius: 4px; padding: 2px 8px; font-weight: 600; pointer-events: none; }
        .nav-actions { display: flex; align-items: center; gap: 12px; }
        .btn-login { background: var(--primary); color: #fff; font-size: 0.875rem; font-weight: 600; padding: 10px 24px; border-radius: var(--radius-md); transition: var(--transition); }
        .btn-login:hover { background: var(--primary-dark); transform: translateY(-1px); box-shadow: var(--shadow-1); }
        .hamburger { display: none; font-size: 1.25rem; color: var(--ink-1); width: 42px; height: 42px; border-radius: 10px; align-items: center; justify-content: center; border: 1px solid var(--border); background: #fff; }
        .sub-nav-wrap { border-top: 1px solid var(--border); background: #fff; }
        .sub-nav { display: flex; align-items: center; gap: 4px; padding: 0; list-style: none; }
        .sub-nav li a { display: block; padding: 14px 16px; font-size: 0.875rem; font-weight: 500; color: var(--ink-2); border-bottom: 2px solid transparent; transition: var(--transition); white-space: nowrap; }
        .sub-nav li a:hover { color: var(--primary); background: var(--primary-soft); border-bottom-color: var(--primary); }
        .sub-nav li a.active { color: var(--primary); font-weight: 700; border-bottom-color: var(--primary); }
        /* Hero */
        .hero { position: relative; background: url('/assets/images/backpic/back-1.png') center/cover no-repeat; padding: 100px 0; }
        .hero::before { content: ""; position: absolute; inset: 0; background: linear-gradient(120deg, rgba(14,59,46,0.92) 0%, rgba(14,59,46,0.75) 55%, rgba(14,59,46,0.5) 100%); }
        .hero-inner { position: relative; display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 60px; align-items: center; }
        .hero-content { color: #fff; }
        .hero-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.25); border-radius: var(--radius-full); padding: 6px 18px; font-size: 0.8125rem; color: rgba(255,255,255,0.9); margin-bottom: 24px; backdrop-filter: blur(6px); }
        .hero-badge i { color: var(--accent); }
        .hero h1 { font-size: clamp(2.25rem, 4vw, 3.25rem); font-weight: 800; line-height: 1.18; letter-spacing: -0.02em; margin-bottom: 20px; color: #fff; }
        .hero h1 .accent-text { color: var(--accent); }
        .hero-sub { font-size: 1.125rem; line-height: 1.8; color: rgba(255,255,255,0.85); max-width: 480px; margin-bottom: 32px; }
        .hero-btns { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 48px; }
        .hero-stats { display: flex; gap: 16px; flex-wrap: wrap; }
        .stat-block { background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.25); border-radius: 16px; padding: 18px 28px; min-width: 130px; text-align: center; backdrop-filter: blur(6px); }
        .stat-block strong { display: block; font-size: 1.75rem; font-weight: 800; color: var(--accent); line-height: 1.2; font-variant-numeric: tabular-nums; }
        .stat-block span { font-size: 0.8125rem; color: rgba(255,255,255,0.8); }
        .hero-media { position: relative; border-radius: 24px; overflow: hidden; box-shadow: var(--shadow-3); }
        .hero-media img { width: 100%; height: 420px; object-fit: cover; }
        .hero-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgba(14,59,46,0.35) 0%, transparent 60%); }
        /* Pain Section */
        .section { padding: 88px 0; }
        .section-alt { background: var(--bg-soft); }
        .pain-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 48px; }
        .pain-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 28px; transition: var(--transition); }
        .pain-card:hover { box-shadow: var(--shadow-2); transform: translateY(-4px); }
        .pain-icon { width: 56px; height: 56px; border-radius: 16px; display: flex; align-items: center; justify-content: center; font-size: 1.25rem; margin-bottom: 20px; }
        .pain-icon.bg-green { background: var(--primary-soft); color: var(--primary); }
        .pain-icon.bg-gold { background: var(--accent-soft); color: var(--accent); }
        .pain-card h3 { font-size: 1.125rem; font-weight: 600; margin-bottom: 10px; color: var(--ink-1); }
        .pain-card p { font-size: 0.9375rem; color: var(--ink-2); line-height: 1.7; }
        /* Solution Section */
        .solution-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 24px; margin-top: 48px; }
        .solution-main { background: #fff; border-radius: var(--radius-lg); box-shadow: var(--shadow-1); overflow: hidden; position: relative; }
        .solution-main::before { content: ""; display: block; height: 4px; background: var(--accent); }
        .solution-main .body { padding: 36px 36px 32px; }
        .solution-main h3 { font-size: 1.375rem; font-weight: 600; margin-bottom: 16px; }
        .feature-list { list-style: none; margin: 20px 0 24px; }
        .feature-list li { display: flex; align-items: flex-start; gap: 12px; padding: 8px 0; font-size: 0.9375rem; color: var(--ink-2); line-height: 1.6; }
        .feature-list li i { color: var(--accent); font-size: 0.875rem; margin-top: 4px; }
        .more-link { display: inline-flex; align-items: center; gap: 8px; color: var(--primary); font-size: 0.875rem; font-weight: 600; transition: var(--transition); }
        .more-link:hover { color: var(--accent); gap: 12px; }
        .solution-side { display: flex; flex-direction: column; gap: 24px; }
        .solution-sub { flex: 1; background: #fff; border-radius: var(--radius-lg); box-shadow: var(--shadow-1); padding: 28px; display: flex; flex-direction: column; justify-content: space-between; position: relative; transition: var(--transition); }
        .solution-sub:hover { box-shadow: var(--shadow-2); transform: translateY(-3px); }
        .solution-sub .sub-icon { position: absolute; top: 20px; right: 20px; width: 40px; height: 40px; border-radius: 10px; background: var(--primary-soft); color: var(--primary); display: flex; align-items: center; justify-content: center; font-size: 0.9375rem; }
        .solution-sub h4 { font-size: 1.125rem; font-weight: 600; margin-bottom: 8px; color: var(--ink-1); margin-top: 10px; }
        .solution-sub p { font-size: 0.875rem; color: var(--ink-2); line-height: 1.7; }
        /* Proof Band */
        .proof-band { background: var(--bg-deep); padding: 64px 0; position: relative; }
        .proof-band::before { content: ""; position: absolute; inset: 0; background-image: radial-gradient(circle at 25% 50%, rgba(201,164,92,0.08) 0%, transparent 50%), radial-gradient(circle at 70% 30%, rgba(255,255,255,0.04) 0%, transparent 40%); }
        .proof-band .container { position: relative; }
        .proof-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
        .proof-item { text-align: center; padding: 20px 24px; border-right: 1px solid rgba(255,255,255,0.12); }
        .proof-item:last-child { border-right: none; }
        .proof-item strong { display: block; font-size: 2rem; font-weight: 800; color: var(--accent); margin-bottom: 6px; font-variant-numeric: tabular-nums; }
        .proof-item span { font-size: 0.875rem; color: rgba(255,255,255,0.7); }
        /* Testimonials */
        .testimonial-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 44px; }
        .testimonial-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 28px; transition: var(--transition); }
        .testimonial-card:hover { border-color: var(--border-strong); box-shadow: var(--shadow-1); }
        .quote-icon { width: 40px; height: 40px; border-radius: 12px; background: var(--accent-soft); color: var(--accent); display: flex; align-items: center; justify-content: center; font-size: 1rem; margin-bottom: 16px; }
        .testimonial-card blockquote { font-size: 0.9375rem; color: var(--ink-2); line-height: 1.75; margin-bottom: 20px; border: none; }
        .author-row { display: flex; align-items: center; gap: 12px; border-top: 1px solid var(--border); padding-top: 16px; }
        .author-avatar { width: 40px; height: 40px; border-radius: 50%; background: var(--primary); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 0.8125rem; font-weight: 700; }
        .author-name { font-size: 0.875rem; font-weight: 600; color: var(--ink-1); }
        .author-role { font-size: 0.75rem; color: var(--ink-3); }
        /* CMS News */
        .news-section { background: var(--bg-soft); }
        .news-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 36px; }
        .news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
        .news-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; transition: var(--transition); display: flex; flex-direction: column; }
        .news-card:hover { box-shadow: var(--shadow-2); transform: translateY(-4px); }
        .news-cover { aspect-ratio: 16/9; overflow: hidden; border-radius: 14px 14px 0 0; }
        .news-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
        .news-card:hover .news-cover img { transform: scale(1.05); }
        .news-body { padding: 22px 24px 20px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
        .news-tag { display: inline-block; padding: 4px 14px; background: var(--primary-soft); color: var(--primary); font-size: 0.75rem; font-weight: 600; border-radius: var(--radius-full); align-self: flex-start; }
        .news-card h3 { font-size: 1.125rem; font-weight: 600; line-height: 1.45; color: var(--ink-1); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
        .news-card p { font-size: 0.875rem; color: var(--ink-2); line-height: 1.7; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
        .news-meta { margin-top: auto; display: flex; align-items: center; justify-content: space-between; font-size: 0.8125rem; color: var(--ink-3); }
        .news-meta a { color: var(--primary); font-weight: 500; display: inline-flex; align-items: center; gap: 4px; }
        .news-meta a:hover { color: var(--accent); }
        .news-empty { grid-column: 1 / -1; border: 2px dashed var(--border-strong); border-radius: var(--radius-lg); padding: 60px 24px; text-align: center; background: #fff; }
        .news-empty i { font-size: 2.5rem; color: var(--ink-3); display: block; margin-bottom: 14px; opacity: 0.5; }
        .news-empty p { font-size: 0.9375rem; color: var(--ink-3); }
        /* FAQ */
        .faq-list { max-width: 900px; margin: 40px auto 0; }
        .faq-item { background: #fff; border: 1px solid var(--border); border-radius: 16px; margin-bottom: 14px; overflow: hidden; transition: var(--transition); }
        .faq-item.open { border-color: var(--primary); box-shadow: var(--shadow-1); }
        .faq-question { display: flex; align-items: center; justify-content: space-between; padding: 22px 28px; cursor: pointer; font-size: 1rem; font-weight: 600; color: var(--ink-1); }
        .faq-question .faq-icon { width: 24px; height: 24px; border-radius: 50%; border: 2px solid var(--border); display: flex; align-items: center; justify-content: center; font-size: 0.75rem; color: var(--ink-3); transition: var(--transition); flex-shrink: 0; }
        .faq-item.open .faq-icon { transform: rotate(45deg); border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }
        .faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
        .faq-answer .inner { padding: 0 28px 24px 52px; font-size: 0.9375rem; color: var(--ink-2); line-height: 1.75; }
        /* CTA */
        .cta-band { padding: 88px 0; }
        .cta-card { background: var(--bg-deep); border-radius: 24px; padding: 80px 48px; text-align: center; position: relative; overflow: hidden; }
        .cta-card::before { content: ""; position: absolute; inset: 0; background: url('/assets/images/backpic/back-2.png') center/cover no-repeat; opacity: 0.12; }
        .cta-card .content { position: relative; z-index: 1; max-width: 680px; margin: 0 auto; }
        .cta-card h2 { font-size: clamp(1.5rem, 2.5vw, 2.25rem); font-weight: 700; color: #fff; line-height: 1.3; margin-bottom: 16px; }
        .cta-card p { font-size: 1rem; color: rgba(255,255,255,0.8); line-height: 1.8; margin-bottom: 32px; }
        /* Footer */
        .site-footer { background: #1C1F1B; color: rgba(255,255,255,0.7); padding: 64px 0 32px; }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
        .footer-brand .logo { color: #fff; margin-bottom: 14px; }
        .footer-brand p { font-size: 0.875rem; line-height: 1.8; max-width: 360px; }
        .footer-title { font-size: 0.9375rem; font-weight: 600; color: #fff; margin-bottom: 18px; }
        .footer-links { list-style: none; }
        .footer-links li { margin-bottom: 10px; }
        .footer-links a { font-size: 0.875rem; color: rgba(255,255,255,0.6); transition: var(--transition); }
        .footer-links a:hover { color: var(--accent); padding-left: 4px; }
        .footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 24px; text-align: center; font-size: 0.8125rem; color: rgba(255,255,255,0.4); }
        /* Scrollbar */
        ::-webkit-scrollbar { width: 8px; }
        ::-webkit-scrollbar-track { background: var(--bg-page); }
        ::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
        ::-webkit-scrollbar-thumb:hover { background: var(--border-strong); }
        /* Responsive */
        @media (max-width: 1023px) {
            .hero-inner { grid-template-columns: 1fr; gap: 40px; }
            .hero-media img { height: 320px; }
            .pain-grid { grid-template-columns: repeat(2, 1fr); }
            .solution-grid { grid-template-columns: 1fr; }
            .testimonial-grid { grid-template-columns: repeat(2, 1fr); }
            .news-grid { grid-template-columns: repeat(2, 1fr); }
            .proof-grid { grid-template-columns: repeat(4, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .nav-center { order: 3; flex-basis: 100%; padding: 12px 0; }
            .nav-center .search-box { width: 100%; max-width: none; }
            .header-main { flex-wrap: wrap; height: auto; padding: 12px 0; }
            .hamburger { display: flex; }
            .nav-actions .btn-login { display: none; }
            .sub-nav-wrap { display: none; }
            .sub-nav-wrap.mobile-open { display: block; }
            .sub-nav { flex-wrap: nowrap; overflow-x: auto; -webkit-overflow-scrolling: touch; padding: 8px 0; }
            .sub-nav li a { padding: 10px 16px; border-bottom: none; border-radius: var(--radius-full); }
            .sub-nav li a.active { background: var(--primary-soft); color: var(--primary); }
            .sub-nav li a:hover { background: var(--primary-soft); border-bottom-color: transparent; }
        }
        @media (max-width: 767px) {
            .section { padding: 48px 0 56px; }
            .hero { padding: 64px 0; }
            .hero h1 { font-size: 2.25rem; }
            .hero-sub { font-size: 1rem; }
            .hero-stats { gap: 12px; }
            .stat-block { flex: 1 1 calc(50% - 12px); min-width: auto; padding: 14px 16px; }
            .stat-block strong { font-size: 1.5rem; }
            .pain-grid { grid-template-columns: 1fr; }
            .testimonial-grid { grid-template-columns: 1fr; }
            .news-grid { grid-template-columns: 1fr; }
            .proof-grid { grid-template-columns: repeat(2, 1fr); }
            .proof-item { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.12); }
            .proof-item:nth-child(odd) { border-right: 1px solid rgba(255,255,255,0.12); }
            .cta-card { padding: 48px 24px; }
            .cta-card h2 { font-size: 1.5rem; }
            .footer-grid { grid-template-columns: 1fr; gap: 32px; }
            .btn-block-mobile { width: 100%; }
            .sub-nav li a { font-size: 0.75rem; padding: 8px 12px; }
            .hero-btns .btn { flex: 1 1 100%; }
            .solution-main .body { padding: 28px 20px 24px; }
            .solution-sub { padding: 22px 20px; }
            .faq-question { padding: 18px 20px; font-size: 0.9375rem; }
            .faq-answer .inner { padding: 0 20px 20px 42px; }
        }
        @media (hover: none) {
            .btn:hover, .pain-card:hover, .news-card:hover, .testimonial-card:hover, .solution-sub:hover { transform: none; }
        }

/* roulang page: category1 */
:root {
    --bg-page: #F4F2EE;
    --bg-soft: #FFFCF8;
    --bg-deep: #0E3B2E;
    --primary: #135C45;
    --primary-soft: #E3EFEA;
    --accent: #C9A45C;
    --accent-soft: #F3E9D6;
    --ink-1: #22231F;
    --ink-2: #54564F;
    --ink-3: #8E9087;
    --border: #D9D6CE;
    --border-strong: #B8B4A9;
    --radius-lg: 20px;
    --radius-md: 14px;
    --radius-full: 999px;
    --shadow-1: 0 6px 18px rgba(22, 35, 28, 0.08);
    --shadow-2: 0 16px 40px rgba(22, 35, 28, 0.12);
    --shadow-3: 0 28px 64px rgba(22, 35, 28, 0.18);
    --transition: all 0.25s ease;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Helvetica Neue", system-ui, sans-serif;
    background: var(--bg-page);
    color: var(--ink-1);
    line-height: 1.8;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary); }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input { font-family: inherit; outline: none; }
ul { list-style: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: #fff;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-1);
}
.header-main {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    height: 80px;
}
.logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--ink-1);
    letter-spacing: -0.01em;
    white-space: nowrap;
}
.logo:hover { color: var(--primary); }
.logo-icon {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: var(--primary);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.05rem;
    flex-shrink: 0;
}
.nav-center { flex: 1; display: flex; justify-content: center; }
.search-box {
    position: relative;
    width: min(560px, 40vw);
    height: 44px;
    background: var(--bg-page);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    padding: 0 16px;
    gap: 10px;
    transition: var(--transition);
}
.search-box:hover { border-color: var(--border-strong); }
.search-box:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-soft);
    background: #fff;
}
.search-icon { color: var(--ink-3); font-size: 0.9rem; flex-shrink: 0; }
.search-box input {
    flex: 1;
    border: none;
    background: transparent;
    font-size: 0.9375rem;
    color: var(--ink-1);
    height: 100%;
}
.search-box input::placeholder { color: var(--ink-3); }
.search-kbd {
    font-size: 0.75rem;
    color: var(--ink-3);
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 2px 7px;
    line-height: 1.4;
    flex-shrink: 0;
}
.nav-actions { display: flex; align-items: center; gap: 12px; }
.btn-login {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    color: #fff;
    font-size: 0.9375rem;
    font-weight: 600;
    padding: 10px 22px;
    border-radius: var(--radius-md);
    transition: var(--transition);
    white-space: nowrap;
}
.btn-login:hover { background: #0F4B38; color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-2); }
.btn-login:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.hamburger {
    display: none;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: #fff;
    color: var(--ink-1);
    font-size: 1.1rem;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}
.hamburger:hover { background: var(--primary-soft); }
.sub-nav-wrap {
    border-top: 1px solid var(--border);
    background: #fff;
}
.sub-nav {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 6px 0;
    overflow-x: auto;
    scrollbar-width: none;
}
.sub-nav::-webkit-scrollbar { display: none; }
.sub-nav a {
    display: inline-block;
    padding: 8px 18px;
    font-size: 0.906rem;
    font-weight: 500;
    color: var(--ink-2);
    border-radius: var(--radius-full);
    white-space: nowrap;
    transition: var(--transition);
}
.sub-nav a:hover { color: var(--primary); background: var(--primary-soft); }
.sub-nav a.active { color: var(--primary); font-weight: 700; background: var(--primary-soft); }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 0.9375rem;
    font-weight: 600;
    padding: 13px 30px;
    border-radius: var(--radius-md);
    transition: var(--transition);
    white-space: nowrap;
}
.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.btn-accent { background: var(--accent); color: #22231F; }
.btn-accent:hover { background: #B8934A; color: #22231F; transform: translateY(-2px); box-shadow: var(--shadow-2); }
.btn-outline-light { background: transparent; color: #fff; border: 1px solid rgba(255, 255, 255, 0.7); }
.btn-outline-light:hover { background: rgba(255, 255, 255, 0.12); color: #fff; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: #0F4B38; color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-2); }

/* Hero */
.category-hero {
    position: relative;
    background: linear-gradient(115deg, rgba(14, 59, 46, 0.95), rgba(19, 92, 69, 0.88)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
    padding: 88px 0 84px;
    color: #fff;
}
.hero-breadcrumb {
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.68);
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 20px;
}
.hero-breadcrumb a { color: rgba(255, 255, 255, 0.82); }
.hero-breadcrumb a:hover { color: #fff; }
.hero-breadcrumb span { margin: 0 4px; }
.hero-title {
    font-size: clamp(2.25rem, 4vw, 3.25rem);
    font-weight: 800;
    line-height: 1.18;
    letter-spacing: -0.02em;
    max-width: 760px;
    margin-bottom: 18px;
}
.hero-sub {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.86);
    max-width: 640px;
    margin-bottom: 34px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 44px; }
.hero-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}
.stat-badge {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.22);
    border-radius: 16px;
    padding: 14px 22px;
    backdrop-filter: blur(4px);
}
.stat-badge .num {
    display: block;
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--accent);
    font-variant-numeric: tabular-nums;
    line-height: 1.2;
}
.stat-badge .label {
    display: block;
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.72);
    margin-top: 2px;
}

/* Section common */
.section { padding: 92px 0; }
.section-alt { background: var(--bg-soft); }
.section-head {
    max-width: 720px;
    margin-bottom: 48px;
}
.kicker {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: var(--accent);
    margin-bottom: 12px;
    text-transform: uppercase;
}
.kicker::before {
    content: '';
    width: 16px;
    height: 2px;
    background: var(--accent);
    border-radius: 2px;
    display: inline-block;
}
.section-title {
    font-size: clamp(1.5rem, 2.5vw, 2.25rem);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 12px;
}
.section-desc {
    font-size: 1rem;
    color: var(--ink-2);
    line-height: 1.8;
}
.section-head.center { text-align: center; margin-left: auto; margin-right: auto; }
.section-head.center .kicker { justify-content: center; }
.section-head.center .kicker::before { display: none; }

/* Prep cards */
.card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.prep-card {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 0 0 28px;
    box-shadow: var(--shadow-1);
    border: 1px solid var(--border);
    overflow: hidden;
    transition: var(--transition);
}
.prep-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-2); border-color: var(--border-strong); }
.prep-img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
}
.prep-body { padding: 24px 28px 0; }
.card-icon {
    width: 52px;
    height: 52px;
    border-radius: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    margin-bottom: 14px;
    background: var(--primary-soft);
    color: var(--primary);
}
.card-icon.gold { background: var(--accent-soft); color: var(--accent); }
.prep-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 10px;
}
.prep-card p {
    font-size: 0.9375rem;
    color: var(--ink-2);
    line-height: 1.75;
}

/* Scenario */
.scenario-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 24px;
}
.scenario-main {
    background: #fff;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-1);
    padding: 34px 34px 30px;
    position: relative;
    border-top: 4px solid var(--accent);
    transition: var(--transition);
}
.scenario-main:hover { box-shadow: var(--shadow-2); transform: translateY(-4px); }
.scenario-main h3 {
    font-size: 1.375rem;
    font-weight: 700;
    margin-bottom: 12px;
}
.scenario-main > p {
    font-size: 0.9375rem;
    color: var(--ink-2);
    line-height: 1.8;
    margin-bottom: 20px;
}
.feature-list { display: flex; flex-direction: column; gap: 10px; margin-bottom: 20px; }
.feature-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9375rem;
    color: var(--ink-2);
}
.feature-list li i {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--primary-soft);
    color: var(--primary);
    font-size: 0.7rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.link-arrow {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: 600;
    font-size: 0.9375rem;
    color: var(--primary);
}
.link-arrow i { transition: var(--transition); }
.link-arrow:hover i { transform: translateX(4px); }
.scenario-stack { display: flex; flex-direction: column; gap: 24px; }
.scenario-sub {
    background: #fff;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-1);
    padding: 28px 30px;
    flex: 1;
    display: flex;
    gap: 18px;
    align-items: flex-start;
    transition: var(--transition);
}
.scenario-sub:hover { box-shadow: var(--shadow-2); transform: translateY(-4px); border-color: var(--border-strong); }
.scenario-sub-icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: var(--accent-soft);
    color: var(--accent);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    flex-shrink: 0;
}
.scenario-sub h3 { font-size: 1.125rem; font-weight: 600; margin-bottom: 6px; }
.scenario-sub p { font-size: 0.875rem; color: var(--ink-2); line-height: 1.7; }

/* Flow */
.flow-section { background: var(--bg-deep); color: #fff; }
.flow-section .section-title { color: #fff; }
.flow-section .section-desc { color: rgba(255, 255, 255, 0.7); }
.flow-section .kicker { color: var(--accent); }
.flow-section .kicker::before { background: var(--accent); }
.flow-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 4px;
}
.step-item {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-lg);
    padding: 30px 26px;
    transition: var(--transition);
    position: relative;
}
.step-item:hover { background: rgba(255, 255, 255, 0.1); transform: translateY(-4px); }
.step-num {
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 0.08em;
    margin-bottom: 14px;
    display: inline-block;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    background: rgba(201, 164, 92, 0.16);
}
.step-item h3 { font-size: 1.125rem; font-weight: 600; margin-bottom: 8px; color: #fff; }
.step-item p { font-size: 0.875rem; color: rgba(255, 255, 255, 0.7); line-height: 1.7; }

/* Stats band */
.stats-band { background: var(--bg-deep); }
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
}
.stat-item {
    text-align: center;
    padding: 12px 20px;
    position: relative;
}
.stat-item + .stat-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 48px;
    background: rgba(255, 255, 255, 0.12);
}
.stat-item .num {
    font-size: clamp(2rem, 3vw, 2.75rem);
    font-weight: 800;
    font-variant-numeric: tabular-nums;
    color: var(--accent);
    line-height: 1.2;
}
.stat-item .label {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 6px;
}

/* FAQ */
.faq-list { max-width: 860px; margin: 0 auto; }
.faq-item {
    background: #fff;
    border-radius: 16px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-1);
    margin-bottom: 16px;
    overflow: hidden;
    transition: var(--transition);
}
.faq-item:hover { border-color: var(--border-strong); }
.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 22px 26px;
    text-align: left;
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--ink-1);
    line-height: 1.5;
}
.faq-question .faq-toggle {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--primary-soft);
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    flex-shrink: 0;
    transition: var(--transition);
}
.faq-item.open .faq-toggle { transform: rotate(45deg); background: var(--accent-soft); color: var(--accent); }
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
    padding: 0 26px;
}
.faq-answer-inner {
    padding: 0 0 24px 24px;
    border-left: 2px solid var(--accent);
    margin-left: 10px;
    font-size: 0.9375rem;
    color: var(--ink-2);
    line-height: 1.8;
}

/* CTA */
.cta-section { padding-bottom: 96px; }
.cta-card {
    position: relative;
    background: linear-gradient(115deg, rgba(14, 59, 46, 0.94), rgba(19, 92, 69, 0.86)), url('/assets/images/coverpic/cover-1.png') center/cover no-repeat;
    border-radius: 24px;
    text-align: center;
    padding: 72px 40px;
    color: #fff;
    overflow: hidden;
}
.cta-card h2 {
    font-size: clamp(1.5rem, 2.5vw, 2.25rem);
    font-weight: 700;
    margin-bottom: 14px;
}
.cta-card p {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.78);
    max-width: 560px;
    margin: 0 auto 32px;
    line-height: 1.8;
}
.cta-card .btn { min-width: 160px; }

/* Footer */
.site-footer {
    background: var(--bg-deep);
    color: rgba(255, 255, 255, 0.72);
    padding: 68px 0 0;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 44px;
}
.footer-brand .logo { color: #fff; margin-bottom: 16px; }
.footer-brand .logo-icon { background: var(--accent); color: var(--ink-1); }
.footer-brand p {
    font-size: 0.875rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.6);
    max-width: 320px;
}
.footer-title {
    font-size: 0.9375rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 16px;
}
.footer-links li { margin-bottom: 10px; }
.footer-links a {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.62);
    transition: var(--transition);
}
.footer-links a:hover { color: var(--accent); }
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 22px 0;
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.46);
}

/* Responsive */
@media (max-width: 1023px) {
    .header-main { height: auto; flex-wrap: wrap; padding: 12px 0; }
    .nav-center { order: 3; flex-basis: 100%; justify-content: stretch; }
    .search-box { width: 100%; max-width: none; }
    .nav-actions { order: 2; }
    .hamburger { display: inline-flex; }
    .sub-nav-wrap { display: none; }
    .sub-nav-wrap.open { display: block; }
    .sub-nav { flex-wrap: nowrap; padding: 8px 0; }
    .sub-nav a { flex-shrink: 0; }
    .card-grid { grid-template-columns: repeat(2, 1fr); }
    .scenario-grid { grid-template-columns: 1fr; }
    .flow-grid { grid-template-columns: repeat(2, 1fr); }
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
    .stat-item + .stat-item::before { display: none; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 767px) {
    .header-main { height: auto; }
    .btn-login { display: none; }
    .section { padding: 56px 0; }
    .category-hero { padding: 56px 0 52px; }
    .hero-stats { flex-direction: column; width: 100%; }
    .stat-badge { width: 100%; }
    .hero-actions .btn { width: 100%; }
    .card-grid { grid-template-columns: 1fr; }
    .flow-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .footer-brand p { max-width: none; }
    .cta-card { padding: 48px 24px; }
    .cta-card .btn { width: 100%; }
}
@media (max-width: 520px) {
    .container { padding: 0 18px; }
    .sub-nav a { padding: 7px 14px; font-size: 0.875rem; }
    .scenario-main, .scenario-sub { padding: 24px 20px; }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { transition: none !important; scroll-behavior: auto !important; }
}

/* roulang page: article */
/* ============ 设计令牌 ============ */
:root {
  --bg-page: #F4F2EE;
  --bg-soft: #FFFCF8;
  --bg-deep: #0E3B2E;
  --primary: #135C45;
  --primary-soft: #E3EFEA;
  --accent: #C9A45C;
  --accent-soft: #F3E9D6;
  --ink-1: #22231F;
  --ink-2: #54564F;
  --ink-3: #8E9087;
  --border: #D9D6CE;
  --border-strong: #B8B4A9;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-full: 999px;
  --shadow-1: 0 6px 18px rgba(22,35,28,0.08);
  --shadow-2: 0 16px 40px rgba(22,35,28,0.12);
  --shadow-3: 0 28px 64px rgba(22,35,28,0.18);
  --transition: all 0.25s ease;
  --font-main: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Helvetica Neue", system-ui, sans-serif;
}

/* ============ Reset & Base ============ */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-main);
  background: var(--bg-page);
  color: var(--ink-2);
  line-height: 1.8;
  font-size: 1rem;
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: var(--primary);
  text-decoration: none;
  transition: var(--transition);
}
a:hover {
  color: #0E4634;
}
ul,
ol {
  list-style: none;
}
button,
input {
  font-family: inherit;
  border: none;
  outline: none;
  background: none;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ============ 滚动条 ============ */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-track {
  background: transparent;
}

/* ============ 头部导航 ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #fff;
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
.site-header.scrolled {
  box-shadow: var(--shadow-1);
}
.header-main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 80px;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--ink-1);
  letter-spacing: -0.01em;
  white-space: nowrap;
}
.logo:hover {
  color: var(--primary);
}
.logo-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary);
  color: #fff;
  border-radius: 12px;
  font-size: 1.1rem;
}
.nav-center {
  flex: 1;
  display: flex;
  justify-content: center;
}
.search-box {
  display: flex;
  align-items: center;
  width: min(560px, 40vw);
  height: 44px;
  background: var(--bg-page);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  padding: 0 16px;
  gap: 10px;
  transition: var(--transition);
}
.search-box:hover {
  border-color: var(--border-strong);
}
.search-box:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-soft);
  background: #fff;
}
.search-icon {
  color: var(--ink-3);
  font-size: 0.9rem;
}
.search-box input {
  flex: 1;
  height: 100%;
  font-size: 0.95rem;
  color: var(--ink-1);
  background: transparent;
}
.search-box input::placeholder {
  color: var(--ink-3);
}
.search-kbd {
  padding: 2px 8px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.75rem;
  color: var(--ink-3);
  line-height: 1.6;
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}
.btn-login {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 42px;
  padding: 0 24px;
  background: var(--primary);
  color: #fff;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: var(--transition);
}
.btn-login:hover {
  background: #0E4634;
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-1);
}
.hamburger {
  display: none;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: #fff;
  color: var(--ink-1);
  font-size: 1.1rem;
  cursor: pointer;
  transition: var(--transition);
}
.hamburger:hover {
  background: var(--primary-soft);
}

/* 副导航行 */
.sub-nav-wrap {
  background: #fff;
  border-top: 1px solid var(--border);
}
.sub-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 10px 0;
  overflow-x: auto;
  scrollbar-width: none;
}
.sub-nav::-webkit-scrollbar {
  display: none;
}
.sub-nav a {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--ink-2);
  border-radius: var(--radius-full);
  white-space: nowrap;
  transition: var(--transition);
}
.sub-nav a:hover {
  color: var(--primary);
  background: var(--primary-soft);
}
.sub-nav a.active {
  color: var(--primary);
  font-weight: 700;
  background: var(--primary-soft);
  box-shadow: inset 0 -2px 0 var(--primary);
}

/* 移动端导航 */
@media (max-width: 1023px) {
  .header-main {
    flex-wrap: wrap;
    height: auto;
    padding: 16px 0;
    gap: 12px;
  }
  .nav-center {
    order: 3;
    width: 100%;
    flex: none;
  }
  .search-box {
    width: 100%;
  }
  .nav-actions .btn-login {
    display: none;
  }
  .hamburger {
    display: inline-flex;
  }
  .sub-nav-wrap {
    display: none;
  }
  .sub-nav-wrap.open {
    display: block;
  }
  .sub-nav {
    flex-wrap: nowrap;
    gap: 8px;
    padding: 12px 0;
  }
  .sub-nav a {
    padding: 8px 16px;
    background: var(--bg-page);
    border-radius: var(--radius-full);
  }
  .sub-nav a.active {
    background: var(--primary-soft);
  }
}

@media (max-width: 767px) {
  .container {
    padding: 0 16px;
  }
  .logo {
    font-size: 1.2rem;
  }
  .logo-icon {
    width: 36px;
    height: 36px;
    font-size: 0.95rem;
  }
}

/* ============ 文章页主体 ============ */
.article-main {
  padding: 48px 0 0;
  min-height: 70vh;
}

/* 面包屑 */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.8125rem;
  color: var(--ink-3);
  margin-bottom: 32px;
}
.breadcrumb a {
  color: var(--ink-3);
  transition: var(--transition);
}
.breadcrumb a:hover {
  color: var(--primary);
}
.breadcrumb .sep {
  color: var(--border-strong);
  font-size: 0.75rem;
}
.breadcrumb .crumb-current {
  color: var(--ink-1);
  font-weight: 600;
  max-width: 260px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* 文章头部 */
.article-head {
  margin-bottom: 36px;
}
.category-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  margin-bottom: 18px;
}
.article-title {
  font-size: clamp(1.75rem, 3vw, 2.375rem);
  font-weight: 800;
  line-height: 1.25;
  color: var(--ink-1);
  letter-spacing: -0.02em;
  max-width: 860px;
  margin-bottom: 20px;
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  align-items: center;
  color: var(--ink-3);
  font-size: 0.875rem;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}
.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.meta-item i {
  font-size: 0.85rem;
  color: var(--primary);
}

/* 封面图 */
.article-cover {
  margin: 36px 0 40px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-2);
}
.article-cover img {
  width: 100%;
  aspect-ratio: 21 / 9;
  object-fit: cover;
}

/* 正文排版 */
.article-body {
  max-width: 860px;
  margin: 0 auto;
  font-size: 1.05rem;
  line-height: 1.9;
  color: var(--ink-2);
}
.article-body p {
  margin-bottom: 1.5em;
  line-height: 1.9;
}
.article-body h2 {
  font-size: clamp(1.35rem, 2.2vw, 1.8rem);
  font-weight: 700;
  color: var(--ink-1);
  margin-top: 48px;
  margin-bottom: 18px;
  line-height: 1.35;
  letter-spacing: -0.01em;
  padding-top: 8px;
  border-top: 3px solid var(--accent);
  padding-top: 20px;
}
.article-body h3 {
  font-size: clamp(1.15rem, 1.8vw, 1.4rem);
  font-weight: 600;
  color: var(--ink-1);
  margin-top: 32px;
  margin-bottom: 14px;
  line-height: 1.45;
}
.article-body ul,
.article-body ol {
  margin: 0 0 1.5em 0;
  padding-left: 1.2em;
}
.article-body ul li,
.article-body ol li {
  margin-bottom: 0.6em;
  padding-left: 0.4em;
  position: relative;
  line-height: 1.8;
}
.article-body ul li::before {
  content: "";
  position: absolute;
  left: -1.1em;
  top: 0.85em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}
.article-body ol {
  counter-reset: article-ol;
  padding-left: 1.4em;
}
.article-body ol li {
  counter-increment: article-ol;
  list-style: none;
}
.article-body ol li::before {
  content: counter(article-ol) ".";
  position: absolute;
  left: -1.6em;
  font-weight: 700;
  color: var(--primary);
}
.article-body a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-color: rgba(19, 92, 69, 0.3);
}
.article-body a:hover {
  text-decoration-color: var(--accent);
  color: var(--primary);
}
.article-body blockquote {
  margin: 1.8em 0;
  padding: 20px 28px;
  background: var(--accent-soft);
  border-left: 4px solid var(--accent);
  border-radius: 12px;
  color: var(--ink-1);
  font-style: normal;
  line-height: 1.8;
}
.article-body blockquote p:last-child {
  margin-bottom: 0;
}
.article-body img {
  max-width: 100%;
  border-radius: 16px;
  margin: 24px 0;
  box-shadow: var(--shadow-1);
}
.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 0.95rem;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}
.article-body table th,
.article-body table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  text-align: left;
}
.article-body table th {
  background: var(--primary-soft);
  color: var(--ink-1);
  font-weight: 700;
  border-bottom: 2px solid var(--border-strong);
}
.article-body table tr:last-child td {
  border-bottom: none;
}
.article-body code {
  background: var(--bg-page);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 2px 8px;
  font-size: 0.9em;
  color: var(--primary);
}
.article-body pre {
  background: var(--bg-deep);
  color: #e8e6e1;
  border-radius: 12px;
  padding: 24px;
  overflow-x: auto;
  margin: 24px 0;
  line-height: 1.7;
  font-size: 0.9rem;
}
.article-body pre code {
  background: transparent;
  border: none;
  padding: 0;
  color: inherit;
  font-size: inherit;
}

/* 内容未找到 */
.not-found {
  text-align: center;
  padding: 120px 24px;
  background: var(--bg-soft);
  border-radius: var(--radius-lg);
  border: 2px dashed var(--border-strong);
  margin: 48px 0;
}
.not-found i {
  font-size: 3rem;
  color: var(--border-strong);
  margin-bottom: 20px;
}
.not-found h2 {
  font-size: 1.8rem;
  color: var(--ink-1);
  margin-bottom: 12px;
}
.not-found p {
  color: var(--ink-3);
  margin-bottom: 28px;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  background: var(--primary);
  color: #fff;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: var(--transition);
}
.btn-primary:hover {
  background: #0E4634;
  transform: translateY(-2px);
  box-shadow: var(--shadow-2);
}

/* ============ 标签区 ============ */
.article-tags {
  max-width: 860px;
  margin: 40px auto 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}
.tag {
  display: inline-flex;
  align-items: center;
  padding: 6px 16px;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 500;
  border-radius: var(--radius-full);
  transition: var(--transition);
}
.tag:hover {
  background: var(--primary);
  color: #fff;
}

/* ============ 上下篇导航 ============ */
.article-pagination {
  max-width: 860px;
  margin: 40px auto 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.pager-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 24px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: var(--transition);
}
.pager-card:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-2);
  transform: translateY(-3px);
}
.pager-label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--ink-3);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.pager-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink-1);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.pager-card.next {
  text-align: right;
}

/* ============ 相关推荐 ============ */
.related-section {
  padding: 88px 0 64px;
  background: var(--bg-soft);
  margin-top: 72px;
  border-top: 1px solid var(--border);
}
.section-head {
  margin-bottom: 40px;
}
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.kicker::before {
  content: "";
  width: 16px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}
.section-head h2 {
  font-size: clamp(1.5rem, 2.5vw, 2.25rem);
  font-weight: 700;
  color: var(--ink-1);
  line-height: 1.3;
  letter-spacing: -0.01em;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.related-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  transition: var(--transition);
}
.related-card:hover {
  box-shadow: var(--shadow-2);
  transform: translateY(-4px);
  border-color: var(--border-strong);
}
.related-cover {
  border-radius: 14px;
  overflow: hidden;
  margin-bottom: 18px;
  aspect-ratio: 16 / 9;
}
.related-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.related-card:hover .related-cover img {
  transform: scale(1.05);
}
.card-badge {
  align-self: flex-start;
  display: inline-flex;
  padding: 4px 14px;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  margin-bottom: 14px;
}
.related-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--ink-1);
  line-height: 1.5;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.related-card p {
  font-size: 0.9375rem;
  color: var(--ink-2);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 16px;
  flex: 1;
}
.related-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8125rem;
  color: var(--ink-3);
  border-top: 1px solid var(--border);
  padding-top: 14px;
}

/* ============ CTA ============ */
.cta-section {
  padding: 88px 0;
}
.cta-card {
  background-size: cover;
  background-position: center;
  border-radius: 24px;
  padding: 72px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-card h2 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
  line-height: 1.3;
}
.cta-card p {
  color: rgba(255, 255, 255, 0.75);
  font-size: 1rem;
  margin-bottom: 32px;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}
.btn-accent {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 36px;
  background: var(--accent);
  color: #22231F;
  font-size: 1rem;
  font-weight: 700;
  border-radius: var(--radius-md);
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(201, 164, 92, 0.35);
}
.btn-accent:hover {
  background: #b08d47;
  color: #22231F;
  transform: translateY(-2px);
  box-shadow: var(--shadow-3);
}

/* ============ 页脚 ============ */
.site-footer {
  background: var(--bg-deep);
  color: rgba(255, 255, 255, 0.85);
  padding: 72px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}
.footer-brand .logo {
  color: #fff;
  margin-bottom: 18px;
}
.footer-brand .logo-icon {
  background: var(--accent);
  color: var(--bg-deep);
}
.footer-brand p {
  font-size: 0.9375rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.65);
  max-width: 360px;
}
.footer-title {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}
.footer-links li {
  margin-bottom: 12px;
}
.footer-links a {
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.9375rem;
  transition: var(--transition);
}
.footer-links a:hover {
  color: var(--accent);
  padding-left: 4px;
}
.footer-bottom {
  padding: 24px 0;
  text-align: center;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.45);
}
.footer-bottom p {
  margin: 0;
}

/* ============ 响应式 ============ */
@media (max-width: 1023px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .footer-brand {
    grid-column: span 2;
  }
  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 767px) {
  .article-main {
    padding-top: 32px;
  }
  .breadcrumb {
    margin-bottom: 24px;
  }
  .article-title {
    font-size: 1.6rem;
  }
  .article-meta {
    gap: 12px;
  }
  .article-cover img {
    aspect-ratio: 16 / 10;
  }
  .article-body {
    font-size: 1rem;
  }
  .article-pagination {
    grid-template-columns: 1fr;
  }
  .related-section {
    padding: 56px 0 40px;
    margin-top: 48px;
  }
  .related-grid {
    grid-template-columns: 1fr;
  }
  .cta-section {
    padding: 56px 0;
  }
  .cta-card {
    padding: 48px 24px;
    border-radius: 16px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-brand {
    grid-column: auto;
  }
  .footer-bottom {
    font-size: 0.8125rem;
  }
}

@media (hover: hover) {
  .related-card,
  .pager-card,
  .btn-login,
  .btn-accent,
  .btn-primary {
    transition: var(--transition);
  }
}

/* roulang page: category2 */
:root {
    --bg-page: #F4F2EE;
    --bg-soft: #FFFCF8;
    --bg-deep: #0E3B2E;
    --primary: #135C45;
    --primary-soft: #E3EFEA;
    --accent: #C9A45C;
    --accent-soft: #F3E9D6;
    --ink-1: #22231F;
    --ink-2: #54564F;
    --ink-3: #8E9087;
    --border: #D9D6CE;
    --border-strong: #B8B4A9;
    --radius-lg: 20px;
    --radius-md: 14px;
    --radius-pill: 999px;
    --shadow-1: 0 6px 18px rgba(22,35,28,0.08);
    --shadow-2: 0 16px 40px rgba(22,35,28,0.12);
    --shadow-3: 0 28px 64px rgba(22,35,28,0.18);
    --transition: all 0.25s ease;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Helvetica Neue", system-ui, sans-serif;
    background: var(--bg-page);
    color: var(--ink-2);
    font-size: 1rem;
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: var(--primary); transition: var(--transition); }
a:hover { color: #0D4736; }
button { font-family: inherit; border: none; cursor: pointer; }
input { font-family: inherit; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, p { margin: 0; }
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}
.section { padding: 88px 0; }
.section-head {
    max-width: 720px;
    margin: 0 auto 48px;
    text-align: center;
}
.kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: var(--accent);
    text-transform: uppercase;
}
.kicker::before {
    content: "";
    width: 16px;
    height: 2px;
    background: var(--accent);
    border-radius: 2px;
}
.section-head h2 {
    font-size: clamp(1.5rem, 2.5vw, 2.25rem);
    font-weight: 700;
    line-height: 1.3;
    color: var(--ink-1);
    margin-top: 12px;
}
.section-head p {
    margin-top: 12px;
    color: var(--ink-2);
    font-size: 1rem;
}
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.4;
    transition: var(--transition);
    border: 1px solid transparent;
}
.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.btn-accent {
    background: var(--accent);
    color: var(--ink-1);
    box-shadow: 0 4px 14px rgba(201,164,92,0.35);
}
.btn-accent:hover {
    background: #B8924A;
    color: var(--ink-1);
    transform: translateY(-2px);
    box-shadow: var(--shadow-2);
}
.btn-primary {
    background: var(--primary);
    color: #fff;
}
.btn-primary:hover {
    background: #0D4736;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: var(--shadow-2);
}
.btn-outline-light {
    background: transparent;
    border-color: rgba(255,255,255,0.7);
    color: #fff;
}
.btn-outline-light:hover {
    background: rgba(255,255,255,0.12);
    border-color: #fff;
    color: #fff;
}
.btn-outline {
    background: transparent;
    border-color: var(--border-strong);
    color: var(--ink-1);
}
.btn-outline:hover {
    background: var(--primary-soft);
    border-color: var(--primary);
    color: var(--primary);
}

/* ===== Header ===== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: #fff;
    box-shadow: var(--shadow-1);
}
.header-main {
    display: flex;
    align-items: center;
    gap: 24px;
    height: 80px;
}
.logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--ink-1);
    font-size: 1.375rem;
    font-weight: 800;
    letter-spacing: -0.01em;
    white-space: nowrap;
}
.logo:hover { color: var(--primary); }
.logo-icon {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: var(--primary);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.125rem;
    flex-shrink: 0;
}
.nav-center { flex: 1; display: flex; justify-content: center; }
.search-box {
    position: relative;
    width: min(560px, 40vw);
    height: 44px;
}
.search-box .search-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--ink-3);
    font-size: 0.875rem;
    pointer-events: none;
}
.search-box input {
    width: 100%;
    height: 100%;
    border: 1px solid var(--border);
    border-radius: var(--radius-pill);
    background: var(--bg-page);
    padding: 0 48px 0 44px;
    font-size: 0.9375rem;
    color: var(--ink-1);
    transition: var(--transition);
}
.search-box input::placeholder { color: var(--ink-3); }
.search-box input:hover { border-color: var(--border-strong); }
.search-box input:focus {
    outline: none;
    border-color: var(--primary);
    background: #fff;
    box-shadow: 0 0 0 3px var(--primary-soft);
}
.search-box .search-kbd {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.75rem;
    color: var(--ink-3);
    background: var(--bg-soft);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 0 6px;
    pointer-events: none;
}
.nav-actions { display: flex; align-items: center; gap: 12px; }
.btn-login {
    background: var(--primary);
    color: #fff;
    padding: 10px 22px;
    border-radius: var(--radius-md);
    font-size: 0.9375rem;
    font-weight: 600;
    white-space: nowrap;
}
.btn-login:hover { background: #0D4736; color: #fff; transform: translateY(-1px); box-shadow: var(--shadow-1); }
.hamburger {
    display: none;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: var(--bg-page);
    color: var(--ink-1);
    font-size: 1.125rem;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}
.hamburger:hover { background: var(--primary-soft); color: var(--primary); }
.sub-nav-wrap {
    border-top: 1px solid var(--border);
    background: #fff;
}
.sub-nav {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 0;
    min-height: 52px;
}
.sub-nav a {
    display: inline-flex;
    align-items: center;
    padding: 10px 18px;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--ink-2);
    border-radius: var(--radius-pill);
    white-space: nowrap;
    position: relative;
    transition: var(--transition);
}
.sub-nav a:hover { color: var(--primary); background: var(--primary-soft); }
.sub-nav a.active {
    color: var(--primary);
    font-weight: 600;
    background: var(--primary-soft);
}
.sub-nav a.active::after {
    content: "";
    position: absolute;
    left: 18px;
    right: 18px;
    bottom: 2px;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
}

/* ===== Hero ===== */
.page-hero {
    position: relative;
    background: var(--bg-deep);
    background-size: cover;
    background-position: center;
    padding: 100px 0;
    overflow: hidden;
}
.page-hero .hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(100deg, rgba(14,59,46,0.92) 0%, rgba(14,59,46,0.72) 55%, rgba(14,59,46,0.4) 100%);
}
.hero-content {
    position: relative;
    z-index: 2;
    max-width: 680px;
}
.hero-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8125rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: var(--accent);
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(201,164,92,0.4);
    border-radius: var(--radius-pill);
    padding: 6px 16px;
    margin-bottom: 24px;
}
.hero-content h1 {
    font-size: clamp(2.25rem, 4vw, 3.25rem);
    font-weight: 800;
    line-height: 1.18;
    letter-spacing: -0.02em;
    color: #fff;
    margin: 0 0 20px;
}
.hero-content h1 span {
    color: var(--accent);
}
.hero-subtitle {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: rgba(255,255,255,0.82);
    margin-bottom: 32px;
    max-width: 560px;
}
.hero-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 48px;
}
.hero-stats {
    display: flex;
    gap: 0;
    flex-wrap: wrap;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.16);
    border-radius: 16px;
    padding: 20px 0;
    backdrop-filter: blur(6px);
    max-width: 560px;
}
.stat-item {
    flex: 1;
    min-width: 140px;
    text-align: center;
    padding: 0 16px;
    position: relative;
}
.stat-item + .stat-item::before {
    content: "";
    position: absolute;
    left: 0;
    top: 25%;
    bottom: 25%;
    width: 1px;
    background: rgba(255,255,255,0.14);
}
.stat-num {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--accent);
    font-variant-numeric: tabular-nums;
    line-height: 1.2;
}
.stat-label {
    font-size: 0.8125rem;
    color: rgba(255,255,255,0.72);
    margin-top: 4px;
}

/* ===== Grids ===== */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.card-item {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: var(--transition);
}
.card-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-2);
    border-color: var(--border-strong);
}
.card-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--primary-soft);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.375rem;
    color: var(--primary);
    margin-bottom: 18px;
}
.card-item:nth-child(2) .card-icon { background: var(--accent-soft); color: #A8843C; }
.card-item:nth-child(3) .card-icon { background: var(--primary-soft); color: var(--primary); }
.card-item h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--ink-1);
    margin-bottom: 10px;
    line-height: 1.45;
}
.card-item p {
    font-size: 0.9375rem;
    color: var(--ink-2);
}

/* ===== Protection asym section ===== */
.protection-section { background: var(--bg-soft); }
.asym-grid {
    display: grid;
    grid-template-columns: 1.35fr 1fr;
    gap: 24px;
    align-items: stretch;
}
.protect-main {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-1);
}
.protect-main::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--accent);
}
.protect-main h3 {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--ink-1);
    margin-bottom: 8px;
}
.protect-main .p-desc {
    font-size: 0.9375rem;
    color: var(--ink-2);
    margin-bottom: 20px;
}
.feature-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 9px 0;
    font-size: 0.9375rem;
    color: var(--ink-1);
    border-bottom: 1px solid rgba(217,214,206,0.5);
}
.feature-list li:last-child { border-bottom: none; }
.feature-list .check-icon {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--accent-soft);
    color: #9C7B3C;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    flex-shrink: 0;
}
.protect-main .more-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 16px;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--primary);
}
.protect-main .more-link:hover { gap: 10px; color: #0D4736; }
.sub-stack {
    display: grid;
    grid-template-rows: 1fr 1fr;
    gap: 24px;
}
.protect-sub-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
    display: flex;
    gap: 18px;
    align-items: flex-start;
    transition: var(--transition);
}
.protect-sub-card:hover { box-shadow: var(--shadow-2); border-color: var(--border-strong); }
.protect-sub-card .sub-icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: var(--primary-soft);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.125rem;
    flex-shrink: 0;
}
.protect-sub-card:nth-child(2) .sub-icon { background: var(--accent-soft); color: #A8843C; }
.protect-sub-card h4 {
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--ink-1);
    margin-bottom: 6px;
}
.protect-sub-card p { font-size: 0.875rem; color: var(--ink-2); }

/* ===== Scenario cards ===== */
.scene-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
}
.scene-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-2);
    border-color: var(--border-strong);
}
.scene-cover {
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--primary-soft);
}
.scene-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.scene-card:hover .scene-cover img { transform: scale(1.04); }
.scene-content { padding: 24px 28px 28px; }
.scene-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--ink-1);
    margin-bottom: 10px;
}
.scene-content p {
    font-size: 0.9375rem;
    color: var(--ink-2);
    margin-bottom: 16px;
}
.arrow-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--primary);
}
.arrow-link:hover { gap: 10px; color: #0D4736; }

/* ===== Tag cloud ===== */
.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-top: 40px;
}
.tag-item {
    display: inline-flex;
    align-items: center;
    padding: 8px 20px;
    background: var(--primary-soft);
    color: var(--primary);
    border-radius: var(--radius-pill);
    font-size: 0.875rem;
    font-weight: 500;
    transition: var(--transition);
    border: 1px solid transparent;
}
.tag-item:hover {
    background: transparent;
    border-color: var(--primary);
    color: var(--primary);
}

/* ===== Steps ===== */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    position: relative;
}
.step-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    text-align: center;
    position: relative;
    transition: var(--transition);
}
.step-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-2); }
.step-num {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--bg-deep);
    color: var(--accent);
    font-size: 1.25rem;
    font-weight: 800;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
    font-variant-numeric: tabular-nums;
}
.step-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--ink-1);
    margin-bottom: 10px;
}
.step-card p {
    font-size: 0.875rem;
    color: var(--ink-2);
}
.step-line {
    position: absolute;
    top: 48px;
    left: calc(50% + 24px);
    width: calc(100% - 48px);
    height: 1px;
    background: var(--border);
    z-index: 0;
}
.step-card { z-index: 1; }

/* ===== Data band ===== */
.data-band {
    background: var(--bg-deep);
    padding: 72px 0;
    position: relative;
    overflow: hidden;
}
.data-band::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(201,164,92,0.12) 1px, transparent 1px);
    background-size: 24px 24px;
}
.data-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    position: relative;
    z-index: 2;
}
.data-item {
    text-align: center;
    padding: 12px 20px;
    position: relative;
}
.data-item + .data-item::before {
    content: "";
    position: absolute;
    left: 0;
    top: 20%;
    bottom: 20%;
    width: 1px;
    background: rgba(255,255,255,0.12);
}
.data-num {
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1.2;
    font-variant-numeric: tabular-nums;
}
.data-label {
    font-size: 0.875rem;
    color: rgba(255,255,255,0.72);
    margin-top: 6px;
}

/* ===== FAQ ===== */
.faq-section { background: var(--bg-soft); }
.faq-list {
    max-width: 820px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.faq-item {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 0;
    overflow: hidden;
    transition: var(--transition);
}
.faq-item:hover { border-color: var(--border-strong); box-shadow: var(--shadow-1); }
.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    background: transparent;
    padding: 20px 24px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--ink-1);
    text-align: left;
    cursor: pointer;
    transition: var(--transition);
}
.faq-question:hover { color: var(--primary); }
.faq-icon {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--primary-soft);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    color: var(--primary);
    flex-shrink: 0;
    transition: transform 0.3s ease, background 0.3s ease;
}
.faq-item.open .faq-icon {
    transform: rotate(45deg);
    background: var(--accent);
    color: #fff;
}
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
}
.faq-answer-inner {
    padding: 0 24px 20px;
    color: var(--ink-2);
    font-size: 0.9375rem;
    line-height: 1.75;
    border-top: 1px solid transparent;
}
.faq-item.open .faq-answer-inner {
    border-top-color: var(--border);
    padding-top: 16px;
}

/* ===== CTA ===== */
.cta-section { padding: 72px 0 96px; }
.cta-card {
    background: var(--bg-deep);
    border-radius: 24px;
    padding: 64px 40px;
    text-align: center;
    position: relative;
    overflow: hidden;
    background-image: url('/assets/images/backpic/back-3.png');
    background-size: cover;
    background-position: center;
}
.cta-card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(160deg, rgba(14,59,46,0.94) 0%, rgba(14,59,46,0.82) 100%);
}
.cta-card > * { position: relative; z-index: 2; }
.cta-card h2 {
    font-size: clamp(1.5rem, 2.5vw, 2.125rem);
    font-weight: 700;
    color: #fff;
    margin-bottom: 14px;
    line-height: 1.3;
}
.cta-card p {
    font-size: 1rem;
    color: rgba(255,255,255,0.78);
    max-width: 480px;
    margin: 0 auto 28px;
}
.cta-card .btn-accent {
    background: var(--accent);
    color: var(--bg-deep);
    font-weight: 700;
    padding: 14px 36px;
}
.cta-card .btn-accent:hover {
    background: #D7B46E;
    box-shadow: 0 8px 24px rgba(201,164,92,0.35);
}

/* ===== Footer ===== */
.site-footer {
    background: #1B1D19;
    color: rgba(255,255,255,0.7);
    padding: 64px 0 0;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand .logo {
    color: #fff;
    margin-bottom: 16px;
}
.footer-brand .logo-icon {
    background: var(--accent);
    color: var(--bg-deep);
}
.footer-brand p {
    font-size: 0.9375rem;
    line-height: 1.8;
    color: rgba(255,255,255,0.62);
    max-width: 360px;
}
.footer-title {
    font-size: 1rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 16px;
}
.footer-links li { margin-bottom: 10px; }
.footer-links a {
    color: rgba(255,255,255,0.62);
    font-size: 0.9375rem;
    transition: var(--transition);
}
.footer-links a:hover { color: var(--accent); padding-left: 6px; }
.footer-bottom {
    padding: 20px 0 28px;
    text-align: center;
    font-size: 0.875rem;
    color: rgba(255,255,255,0.42);
}

/* ===== Responsive ===== */
@media (max-width: 1023px) {
    .section { padding: 64px 0; }
    .hamburger { display: inline-flex; }
    .btn-login { display: none; }
    .header-main { flex-wrap: wrap; height: auto; padding: 12px 0; }
    .nav-center { order: 3; width: 100%; margin-top: 10px; }
    .search-box { width: 100%; max-width: none; }
    .sub-nav-wrap {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }
    .sub-nav-wrap.open { max-height: 320px; }
    .sub-nav {
        flex-wrap: nowrap;
        overflow-x: auto;
        gap: 4px;
        padding: 12px 4px;
        -webkit-overflow-scrolling: touch;
    }
    .sub-nav::-webkit-scrollbar { display: none; }
    .sub-nav a { flex-shrink: 0; }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
    .asym-grid { grid-template-columns: 1fr; }
    .sub-stack { grid-template-rows: 1fr; grid-template-columns: 1fr 1fr; }
    .data-grid { grid-template-columns: repeat(2, 1fr); gap: 24px 0; }
    .data-item:nth-child(3)::before { display: none; }
    .steps-grid { gap: 16px; }
    .step-line { display: none; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 767px) {
    .section { padding: 48px 0; }
    .section-head { margin-bottom: 36px; }
    .grid-3 { grid-template-columns: 1fr; }
    .sub-stack { grid-template-columns: 1fr; }
    .steps-grid { grid-template-columns: 1fr; }
    .data-grid { grid-template-columns: 1fr 1fr; }
    .hero-stats { flex-direction: column; }
    .stat-item + .stat-item::before { display: none; }
    .stat-item { padding: 12px 0; }
    .hero-actions .btn { width: 100%; }
    .page-hero { padding: 64px 0; }
    .hero-content h1 { font-size: 2.25rem; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .cta-card { padding: 40px 24px; }
    .faq-question { padding: 16px 18px; font-size: 0.9375rem; }
    .faq-answer-inner { padding: 0 18px 16px; }
}

/* roulang page: category3 */
:root {
  --bg-page: #F4F2EE;
  --bg-soft: #FFFCF8;
  --bg-deep: #0E3B2E;
  --primary: #135C45;
  --primary-soft: #E3EFEA;
  --accent: #C9A45C;
  --accent-soft: #F3E9D6;
  --ink-1: #22231F;
  --ink-2: #54564F;
  --ink-3: #8E9087;
  --border: #D9D6CE;
  --border-strong: #B8B4A9;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-full: 999px;
  --shadow-1: 0 6px 18px rgba(22,35,28,0.08);
  --shadow-2: 0 16px 40px rgba(22,35,28,0.12);
  --shadow-3: 0 28px 64px rgba(22,35,28,0.18);
  --transition: all 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Helvetica Neue", system-ui, sans-serif;
  background: var(--bg-page);
  color: var(--ink-1);
  line-height: 1.7;
  font-size: 1rem;
  -webkit-font-smoothing: antialiased;
}

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

a:hover {
  color: #0e4734;
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input {
  font-family: inherit;
}

ul {
  list-style: none;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

.section {
  padding: 88px 0;
}

.section-head {
  max-width: 720px;
  margin-bottom: 48px;
}

.kicker {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}

.kicker::before {
  content: "";
  width: 16px;
  height: 2px;
  background: var(--accent);
  display: inline-block;
}

.section-title {
  font-size: clamp(1.5rem, 2.5vw, 2.25rem);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--ink-1);
}

.section-desc {
  margin-top: 12px;
  color: var(--ink-2);
  font-size: 1rem;
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.9375rem;
  line-height: 1;
  transition: var(--transition);
  border: 1px solid transparent;
}

.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.btn-accent {
  background: var(--accent);
  color: #1f2a25;
}

.btn-accent:hover {
  background: #b18e4b;
  color: #1f2a25;
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(201, 164, 92, 0.35);
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

.btn-primary:hover {
  background: #0e4734;
  color: #fff;
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.7);
  color: #fff;
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: #fff;
  color: #fff;
}

.btn-secondary {
  background: transparent;
  border-color: var(--border-strong);
  color: var(--ink-1);
}

.btn-secondary:hover {
  background: var(--primary-soft);
  border-color: var(--primary);
  color: var(--primary);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #fff;
  box-shadow: 0 2px 12px rgba(22, 35, 28, 0.06);
}

.header-main {
  display: flex;
  align-items: center;
  gap: 24px;
  height: 80px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink-1);
  font-weight: 800;
  font-size: 1.25rem;
  white-space: nowrap;
}

.logo:hover {
  color: var(--primary);
}

.logo-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-full);
  background: var(--primary-soft);
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.0625rem;
}

.nav-center {
  flex: 1;
  display: flex;
  justify-content: center;
}

.search-box {
  width: min(560px, 40vw);
  height: 44px;
  display: flex;
  align-items: center;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  padding: 0 16px;
  gap: 10px;
  transition: var(--transition);
}

.search-box:hover {
  border-color: var(--border-strong);
}

.search-box:focus-within {
  border-color: var(--primary);
  background: #fff;
  box-shadow: 0 0 0 3px var(--primary-soft);
}

.search-icon {
  color: var(--ink-3);
  font-size: 0.9rem;
}

.search-box input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  font-size: 0.875rem;
  color: var(--ink-1);
}

.search-box input::placeholder {
  color: var(--ink-3);
}

.search-kbd {
  font-size: 0.75rem;
  color: var(--ink-3);
  background: var(--bg-page);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 2px 8px;
  font-weight: 600;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-login {
  padding: 9px 22px;
  border-radius: var(--radius-md);
  background: var(--primary);
  color: #fff;
  font-weight: 600;
  font-size: 0.875rem;
  transition: var(--transition);
}

.btn-login:hover {
  background: #0e4734;
  color: #fff;
}

.hamburger {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 1.125rem;
  align-items: center;
  justify-content: center;
}

.sub-nav-wrap {
  border-top: 1px solid var(--border);
  background: #fff;
}

.sub-nav {
  display: flex;
  align-items: center;
  gap: 30px;
  min-height: 48px;
  overflow-x: auto;
  scrollbar-width: none;
}

.sub-nav::-webkit-scrollbar {
  display: none;
}

.sub-nav a {
  position: relative;
  font-size: 0.9063rem;
  font-weight: 500;
  color: var(--ink-2);
  padding: 12px 2px;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
}

.sub-nav a:hover {
  color: var(--primary);
}

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

/* Hero */
.hero {
  background: linear-gradient(135deg, rgba(14, 59, 46, 0.92), rgba(14, 59, 46, 0.78)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  padding: 88px 0 72px;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}

.hero-content .kicker {
  color: var(--accent);
}

.hero-title {
  font-size: clamp(2.25rem, 4vw, 3.25rem);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: #fff;
  margin: 12px 0 18px;
}

.hero-sub {
  max-width: 520px;
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.0625rem;
  line-height: 1.8;
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 40px;
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.stat-badge {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 16px;
  padding: 14px 24px;
  display: flex;
  flex-direction: column;
  backdrop-filter: blur(4px);
}

.stat-badge strong {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.stat-badge span {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.78);
  margin-top: 2px;
}

.hero-visual {
  position: relative;
}

.hero-visual img {
  width: 100%;
  border-radius: 24px;
  box-shadow: var(--shadow-3);
  border: 1px solid rgba(255, 255, 255, 0.22);
}

/* 痛点区 */
.pain-section {
  background: var(--bg-soft);
}

.pain-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.pain-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 28px;
  border: 1px solid var(--border);
  transition: var(--transition);
}

.pain-card:hover {
  box-shadow: var(--shadow-2);
  transform: translateY(-4px);
}

.pain-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  background: var(--primary-soft);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3125rem;
  margin-bottom: 18px;
}

.pain-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--ink-1);
}

.pain-card p {
  color: var(--ink-2);
  font-size: 0.9075rem;
  line-height: 1.75;
}

/* 解决方案 */
.solution-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 24px;
}

.solution-main {
  background: #fff;
  border-radius: var(--radius-lg);
  border-top: 4px solid var(--accent);
  box-shadow: var(--shadow-1);
  padding: 32px;
  position: relative;
}

.solution-main .icon-wrap {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-lg);
  background: var(--primary-soft);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  margin-bottom: 16px;
}

.solution-main h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.solution-main p {
  color: var(--ink-2);
  margin-bottom: 18px;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 20px;
}

.feature-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink-1);
  font-size: 0.9375rem;
}

.feature-list li i {
  width: 24px;
  height: 24px;
  flex: none;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
}

.solution-link {
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.solution-link:hover {
  color: #0e4734;
  gap: 10px;
}

.solution-side {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.side-card {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  position: relative;
  flex: 1;
  transition: var(--transition);
}

.side-card:hover {
  box-shadow: var(--shadow-1);
}

.side-card .corner-icon {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--primary-soft);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

.side-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.side-card p {
  font-size: 0.875rem;
  color: var(--ink-2);
  line-height: 1.7;
  padding-right: 40px;
}

/* 流程 */
.process-section {
  background: var(--bg-soft);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.process-card {
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: 28px 24px;
  position: relative;
  transition: var(--transition);
}

.process-card:hover {
  box-shadow: var(--shadow-2);
  transform: translateY(-4px);
}

.process-num {
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
  opacity: 0.35;
  line-height: 1;
  margin-bottom: 12px;
  font-variant-numeric: tabular-nums;
}

.process-card h3 {
  font-size: 1.0625rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.process-card p {
  font-size: 0.875rem;
  color: var(--ink-2);
  line-height: 1.7;
}

/* 场景 */
.scenario-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.scenario-card {
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: var(--transition);
}

.scenario-card:hover {
  box-shadow: var(--shadow-2);
  transform: translateY(-4px);
}

.scenario-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.scenario-body {
  padding: 24px;
}

.scenario-body h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.scenario-body p {
  font-size: 0.875rem;
  color: var(--ink-2);
  line-height: 1.7;
}

/* 数据带 */
.data-band {
  background: var(--bg-deep);
  padding: 72px 0;
  position: relative;
  overflow: hidden;
}

.data-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  opacity: 0.12;
}

.data-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  border-left: 1px solid rgba(255, 255, 255, 0.12);
}

.data-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 24px 8px;
  border-right: 1px solid rgba(255, 255, 255, 0.12);
}

.data-item strong {
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.data-item span {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.875rem;
  margin-top: 6px;
}

/* 标签云 */
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.tag {
  padding: 8px 18px;
  border-radius: var(--radius-full);
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 0.875rem;
  font-weight: 500;
  transition: var(--transition);
}

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

/* FAQ */
.faq-wrap {
  max-width: 820px;
}

.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  margin-bottom: 14px;
  padding: 0 24px;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: var(--border-strong);
}

.faq-item.active {
  border-color: var(--primary);
  box-shadow: var(--shadow-1);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  text-align: left;
  padding: 18px 0;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--ink-1);
}

.faq-question i {
  flex: none;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--primary-soft);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8125rem;
  transition: transform 0.25s ease;
}

.faq-item.active .faq-question i {
  transform: rotate(45deg);
  background: var(--accent-soft);
  color: var(--accent);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.32s ease;
}

.faq-item.active .faq-answer {
  max-height: 320px;
}

.faq-answer p {
  padding: 0 0 20px 24px;
  color: var(--ink-2);
  font-size: 0.925rem;
  line-height: 1.75;
  border-top: 1px dashed var(--border);
  padding-top: 16px;
  margin-top: -2px;
}

/* CTA */
.cta-band {
  background: var(--bg-deep);
  border-radius: 24px;
  background-image: linear-gradient(120deg, rgba(14, 59, 46, 0.92), rgba(14, 59, 46, 0.82)), url('/assets/images/backpic/back-3.png');
  background-size: cover;
  background-position: center;
  text-align: center;
  padding: 72px 48px;
  color: #fff;
}

.cta-band h2 {
  font-size: clamp(1.5rem, 2.5vw, 2.125rem);
  font-weight: 700;
  margin-bottom: 12px;
}

.cta-band p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1rem;
  max-width: 560px;
  margin: 0 auto 32px;
  line-height: 1.8;
}

/* Footer */
.site-footer {
  background: var(--bg-deep);
  color: rgba(255, 255, 255, 0.75);
  padding-top: 64px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-brand .logo {
  color: #fff;
  margin-bottom: 14px;
}

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

.footer-brand p {
  font-size: 0.875rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.6);
  max-width: 320px;
}

.footer-title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 16px;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.875rem;
  transition: var(--transition);
}

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

.footer-bottom {
  padding: 24px 0;
  text-align: center;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.45);
}

/* Responsive */
@media (max-width: 1023px) {
  .section {
    padding: 56px 0;
  }

  .header-main {
    display: grid;
    grid-template-columns: auto 1fr auto;
    height: auto;
    padding: 14px 0;
    gap: 12px;
  }

  .nav-center {
    grid-column: 1 / -1;
    order: 3;
  }

  .search-box {
    width: 100%;
  }

  .nav-actions {
    justify-self: end;
  }

  .hamburger {
    display: flex;
  }

  .sub-nav-wrap {
    display: none;
    border-top: 1px solid var(--border);
  }

  .site-header.nav-open .sub-nav-wrap {
    display: block;
  }

  .sub-nav {
    display: flex;
    gap: 12px;
    padding: 12px 0;
    overflow-x: auto;
  }

  .sub-nav a {
    padding: 8px 16px;
    border-radius: var(--radius-full);
    background: var(--primary-soft);
    color: var(--primary);
    font-size: 0.8125rem;
    font-weight: 500;
    white-space: nowrap;
    border-bottom: none;
  }

  .sub-nav a.active {
    background: var(--primary);
    color: #fff;
    font-weight: 600;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-visual {
    max-width: 640px;
  }

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

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

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

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

  .data-grid {
    grid-template-columns: 1fr 1fr;
    border-left: none;
  }

  .data-item {
    border-right: none;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 16px;
  }

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

@media (max-width: 767px) {
  .section {
    padding: 48px 0;
  }

  .container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .hero {
    padding: 56px 0 56px;
  }

  .hero-title {
    font-size: 2.25rem;
  }

  .hero-stats {
    flex-wrap: wrap;
  }

  .stat-badge {
    padding: 12px 18px;
  }

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

  .solution-main,
  .solution-side {
    padding: 24px;
  }

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

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

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

  .cta-band {
    padding: 48px 24px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .hero-actions .btn {
    flex: 1;
    justify-content: center;
  }
}

@media (hover: none) {
  .btn:hover,
  .btn-accent:hover,
  .btn-primary:hover,
  .pain-card:hover,
  .scenario-card:hover,
  .process-card:hover {
    transform: none;
    box-shadow: none;
  }
}

@media (max-width: 520px) {
  .header-main {
    grid-template-columns: 1fr auto;
  }

  .logo {
    font-size: 1.0625rem;
  }

  .btn-login {
    display: none;
  }

  .nav-actions {
    gap: 8px;
  }

  .hamburger {
    display: flex;
  }

  .sub-nav-wrap {
    display: none;
  }

  .site-header.nav-open .sub-nav-wrap {
    display: block;
  }
}

/* roulang page: category4 */
:root {
            --bg-page: #F4F2EE;
            --bg-soft: #FFFCF8;
            --bg-deep: #0E3B2E;
            --primary: #135C45;
            --primary-dark: #0C4635;
            --primary-soft: #E3EFEA;
            --accent: #C9A45C;
            --accent-dark: #B08F45;
            --accent-soft: #F3E9D6;
            --ink-1: #22231F;
            --ink-2: #54564F;
            --ink-3: #8E9087;
            --border: #D9D6CE;
            --border-strong: #B8B4A9;
            --white: #FFFFFF;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 10px;
            --shadow-1: 0 6px 18px rgba(22,35,28,0.08);
            --shadow-2: 0 16px 40px rgba(22,35,28,0.12);
            --shadow-3: 0 28px 64px rgba(22,35,28,0.18);
            --transition: all 0.25s ease;
            --container-w: 1200px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Helvetica Neue", system-ui, sans-serif;
            background: var(--bg-page);
            color: var(--ink-1);
            line-height: 1.8;
            font-size: 1rem;
            -webkit-font-smoothing: antialiased;
        }

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

        a:hover {
            color: var(--primary-dark);
        }

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

        ul,
        ol {
            list-style: none;
        }

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

        button {
            cursor: pointer;
        }

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

        .kicker {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            color: var(--accent);
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .kicker::before {
            content: "";
            width: 16px;
            height: 2px;
            background: var(--accent);
            border-radius: 999px;
            flex-shrink: 0;
        }

        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 48px;
        }

        .section-head .kicker {
            justify-content: center;
        }

        .section-head h2 {
            font-size: clamp(1.5rem, 2.5vw, 2.25rem);
            font-weight: 700;
            line-height: 1.3;
            color: var(--ink-1);
            margin-bottom: 12px;
        }

        .section-head p {
            color: var(--ink-2);
            font-size: 1rem;
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--white);
            box-shadow: var(--shadow-1);
        }

        .header-main {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            height: 80px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            font-size: 1.375rem;
            font-weight: 800;
            color: var(--ink-1);
            letter-spacing: -0.01em;
        }

        .logo:hover {
            color: var(--ink-1);
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.125rem;
            flex-shrink: 0;
        }

        .nav-center {
            flex: 1;
            display: flex;
            justify-content: center;
            max-width: 640px;
            margin: 0 auto;
        }

        .search-box {
            display: flex;
            align-items: center;
            gap: 12px;
            width: min(560px, 40vw);
            height: 44px;
            border: 1px solid var(--border);
            border-radius: 999px;
            padding: 0 16px;
            background: var(--bg-page);
            transition: var(--transition);
        }

        .search-box:hover {
            border-color: var(--border-strong);
        }

        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px var(--primary-soft);
            background: var(--white);
        }

        .search-icon {
            color: var(--ink-3);
            font-size: 0.875rem;
        }

        .search-box input {
            flex: 1;
            height: 100%;
            background: transparent;
            color: var(--ink-1);
            font-size: 0.875rem;
        }

        .search-box input::placeholder {
            color: var(--ink-3);
        }

        .search-kbd {
            font-size: 0.75rem;
            color: var(--ink-3);
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: 6px;
            padding: 0 8px;
            line-height: 24px;
            font-weight: 600;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .btn-login {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 44px;
            padding: 0 28px;
            border-radius: 14px;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: 0.9375rem;
            transition: var(--transition);
        }

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

        .hamburger {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 14px;
            border: 1px solid var(--border);
            align-items: center;
            justify-content: center;
            font-size: 1.125rem;
            color: var(--ink-1);
            background: var(--white);
        }

        .sub-nav-wrap {
            border-top: 1px solid var(--border);
            background: var(--white);
        }

        .sub-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            height: 56px;
            overflow-x: auto;
            scrollbar-width: none;
        }

        .sub-nav::-webkit-scrollbar {
            display: none;
        }

        .sub-nav li {
            flex-shrink: 0;
        }

        .sub-nav a {
            display: flex;
            align-items: center;
            height: 40px;
            padding: 0 16px;
            border-radius: 999px;
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--ink-2);
            background: var(--bg-soft);
            border: 1px solid transparent;
            transition: var(--transition);
        }

        .sub-nav a:hover {
            color: var(--primary);
            background: var(--primary-soft);
        }

        .sub-nav a.active {
            color: var(--primary);
            background: var(--primary-soft);
            box-shadow: inset 0 -2px 0 var(--primary);
        }

        /* ===== Hero ===== */
        .page-hero {
            position: relative;
            padding: 100px 0 88px;
            background: linear-gradient(135deg, rgba(14, 59, 46, 0.92), rgba(19, 92, 69, 0.82)), url('/assets/images/backpic/back-2.png') center / cover no-repeat;
            color: #fff;
        }

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

        .page-hero .kicker {
            color: var(--accent);
        }

        .page-hero .kicker::before {
            background: var(--accent);
        }

        .page-hero h1 {
            font-size: clamp(2.25rem, 4vw, 3.25rem);
            font-weight: 800;
            line-height: 1.18;
            letter-spacing: -0.02em;
            max-width: 720px;
            margin-bottom: 20px;
        }

        .page-hero .hero-desc {
            font-size: 1.125rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.88);
            max-width: 640px;
            margin-bottom: 36px;
        }

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

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 48px;
            padding: 0 32px;
            border-radius: 14px;
            background: var(--accent);
            color: #22231f;
            font-weight: 700;
            font-size: 1rem;
            transition: var(--transition);
        }

        .btn-primary:hover {
            background: var(--accent-dark);
            color: #22231f;
            transform: translateY(-2px);
            box-shadow: var(--shadow-2);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 48px;
            padding: 0 32px;
            border-radius: 14px;
            border: 1.5px solid rgba(255, 255, 255, 0.85);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            transform: translateY(-2px);
        }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 48px;
        }

        .hero-stat {
            flex: 1;
            min-width: 160px;
            padding: 20px 24px;
            border-radius: 16px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            backdrop-filter: blur(8px);
        }

        .hero-stat strong {
            display: block;
            font-size: 1.75rem;
            font-weight: 800;
            color: var(--accent);
            font-variant-numeric: tabular-nums;
            line-height: 1.3;
        }

        .hero-stat span {
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.78);
        }

        /* ===== Section base ===== */
        .section {
            padding: 88px 0;
        }

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

        /* ===== Service scopes ===== */
        .scope-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .scope-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-1);
            transition: var(--transition);
        }

        .scope-card:hover {
            box-shadow: var(--shadow-2);
            transform: translateY(-4px);
        }

        .scope-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: var(--primary-soft);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.375rem;
            margin-bottom: 20px;
        }

        .scope-card h3 {
            font-size: 1.125rem;
            font-weight: 600;
            line-height: 1.45;
            color: var(--ink-1);
            margin-bottom: 10px;
        }

        .scope-card p {
            font-size: 0.9375rem;
            color: var(--ink-2);
            line-height: 1.75;
        }

        /* ===== Process ===== */
        .process-section {
            background: var(--bg-soft);
        }

        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: process;
        }

        .process-item {
            position: relative;
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 36px 28px 28px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-1);
            transition: var(--transition);
        }

        .process-item:hover {
            box-shadow: var(--shadow-2);
            transform: translateY(-4px);
        }

        .process-item::before {
            counter-increment: process;
            content: "0" counter(process);
            position: absolute;
            top: 24px;
            right: 24px;
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-soft);
            font-variant-numeric: tabular-nums;
            line-height: 1;
        }

        .process-item .process-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: var(--accent-soft);
            color: var(--accent-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.125rem;
            margin-bottom: 18px;
        }

        .process-item h3 {
            font-size: 1.125rem;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--ink-1);
        }

        .process-item p {
            font-size: 0.875rem;
            color: var(--ink-2);
            line-height: 1.7;
        }

        /* ===== Scenarios ===== */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .scenario-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-1);
            transition: var(--transition);
        }

        .scenario-card:hover {
            box-shadow: var(--shadow-2);
            transform: translateY(-4px);
        }

        .scenario-card .card-img {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
        }

        .scenario-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .scenario-card:hover .card-img img {
            transform: scale(1.04);
        }

        .scenario-card .card-body {
            padding: 24px;
        }

        .scenario-card .tag {
            display: inline-flex;
            align-items: center;
            height: 28px;
            padding: 0 14px;
            border-radius: 999px;
            background: var(--primary-soft);
            color: var(--primary);
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 12px;
        }

        .scenario-card h3 {
            font-size: 1.25rem;
            font-weight: 600;
            line-height: 1.45;
            margin-bottom: 10px;
            color: var(--ink-1);
        }

        .scenario-card p {
            font-size: 0.9375rem;
            color: var(--ink-2);
            line-height: 1.75;
        }

        .scenario-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 16px;
            font-size: 0.9375rem;
            font-weight: 600;
            color: var(--primary);
        }

        .scenario-link i {
            font-size: 0.75rem;
            transition: var(--transition);
        }

        .scenario-link:hover i {
            transform: translateX(4px);
        }

        /* ===== Data band ===== */
        .data-band {
            background: var(--bg-deep);
            padding: 72px 0;
            position: relative;
        }

        .data-band::before {
            content: "";
            position: absolute;
            inset: 0;
            background: radial-gradient(rgba(255,255,255,0.04) 1px, transparent 1px);
            background-size: 24px 24px;
        }

        .data-band .container {
            position: relative;
            z-index: 2;
        }

        .data-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 0;
        }

        .data-item {
            text-align: center;
            padding: 24px;
            border-left: 1px solid rgba(255, 255, 255, 0.12);
        }

        .data-item:first-child {
            border-left: none;
        }

        .data-item strong {
            display: block;
            font-size: 1.75rem;
            font-weight: 800;
            color: var(--accent);
            font-variant-numeric: tabular-nums;
            line-height: 1.3;
            margin-bottom: 6px;
        }

        .data-item span {
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.7);
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: 16px;
            margin-bottom: 16px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: var(--border-strong);
        }

        .faq-item.open {
            box-shadow: var(--shadow-1);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
            padding: 22px 28px;
            text-align: left;
            font-size: 1.0625rem;
            font-weight: 600;
            color: var(--ink-1);
            background: transparent;
        }

        .faq-question .faq-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--primary-soft);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 0.875rem;
            transition: var(--transition);
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--accent-soft);
            color: var(--accent-dark);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
        }

        .faq-answer p {
            padding: 0 28px 24px;
            color: var(--ink-2);
            line-height: 1.75;
            font-size: 0.9375rem;
            border-top: 1px solid var(--border);
            padding-top: 20px;
            margin-top: 0;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 88px 0;
        }

        .cta-card {
            position: relative;
            border-radius: 24px;
            padding: 72px 48px;
            background: linear-gradient(135deg, rgba(14, 59, 46, 0.94), rgba(19, 92, 69, 0.86)), url('/assets/images/backpic/back-3.png') center / cover no-repeat;
            text-align: center;
            color: #fff;
            overflow: hidden;
        }

        .cta-card h2 {
            font-size: clamp(1.5rem, 2.5vw, 2.25rem);
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 14px;
        }

        .cta-card p {
            color: rgba(255, 255, 255, 0.82);
            max-width: 560px;
            margin: 0 auto 32px;
            font-size: 1rem;
            line-height: 1.8;
        }

        .cta-card .btn-call {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 52px;
            padding: 0 40px;
            border-radius: 14px;
            background: var(--accent);
            color: #22231f;
            font-weight: 700;
            font-size: 1rem;
            transition: var(--transition);
        }

        .cta-card .btn-call:hover {
            background: var(--accent-dark);
            color: #22231f;
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(201, 164, 92, 0.35);
        }

        .cta-card .btn-service {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 52px;
            padding: 0 32px;
            border-radius: 14px;
            border: 1.5px solid rgba(255, 255, 255, 0.8);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            margin-left: 12px;
            transition: var(--transition);
        }

        .cta-card .btn-service:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-deep);
            color: #fff;
            padding: 64px 0 0;
        }

        .site-footer .logo {
            color: #fff;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
        }

        .footer-brand p {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.9375rem;
            margin-top: 18px;
            max-width: 420px;
            line-height: 1.8;
        }

        .footer-title {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 18px;
            color: #fff;
        }

        .footer-links li {
            margin-bottom: 12px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9375rem;
            transition: var(--transition);
        }

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

        .footer-bottom {
            padding: 24px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }

        .footer-bottom p {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.8125rem;
        }

        /* ===== Focus ===== */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        @media (hover: hover) {
            .scope-card:hover .scope-icon,
            .process-item:hover .process-icon {
                background: var(--accent-soft);
                color: var(--accent-dark);
            }
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .nav-center {
                order: 3;
                width: 100%;
                max-width: none;
            }

            .header-main {
                flex-wrap: wrap;
                height: auto;
                padding: 14px 0;
                gap: 12px;
            }

            .search-box {
                width: 100%;
                max-width: none;
            }

            .sub-nav-wrap {
                display: none;
            }

            .sub-nav-wrap.show {
                display: block;
            }

            .sub-nav {
                height: auto;
                padding: 12px 0;
                flex-wrap: nowrap;
                overflow-x: auto;
            }

            .hamburger {
                display: flex;
            }

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

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

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

            .data-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }

            .data-item {
                border-left: none;
            }
        }

        @media (max-width: 767px) {
            .section {
                padding: 56px 0;
            }

            .header-main {
                height: auto;
                padding: 12px 0;
            }

            .nav-actions .btn-login {
                display: none;
            }

            .logo {
                font-size: 1.125rem;
            }

            .logo-icon {
                width: 36px;
                height: 36px;
                font-size: 1rem;
            }

            .page-hero {
                padding: 64px 0 56px;
            }

            .page-hero h1 {
                font-size: clamp(2rem, 9vw, 2.5rem);
            }

            .hero-actions .btn-primary,
            .hero-actions .btn-outline {
                width: 100%;
            }

            .hero-stats {
                flex-direction: column;
            }

            .hero-stat {
                min-width: 0;
            }

            .section-head {
                margin-bottom: 32px;
            }

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

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

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

            .data-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }

            .data-item {
                padding: 16px;
            }

            .data-item strong {
                font-size: 1.5rem;
            }

            .cta-card {
                padding: 48px 24px;
            }

            .cta-card .btn-call,
            .cta-card .btn-service {
                width: 100%;
                margin-left: 0;
                margin-bottom: 12px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .footer-bottom {
                justify-content: center;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 18px;
                padding-right: 18px;
            }

            .data-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .data-item strong {
                font-size: 1.25rem;
            }

            .faq-question {
                padding: 18px 20px;
                font-size: 0.9375rem;
            }

            .faq-answer p {
                padding: 16px 20px 20px;
            }
        }