/* roulang page: index */
:root {
            --color-primary: #D4A017;
            --color-primary-dark: #A87C0E;
            --color-primary-soft: #F5E6C4;
            --color-accent: #2F4A3C;
            --color-accent-dark: #1E3228;
            --color-bg: #FDFBF5;
            --color-surface: #FFFFFF;
            --color-text: #2B2B2B;
            --color-text-secondary: #6B6B6B;
            --color-border: #E8DEC8;
            --color-highlight: #E8B423;
            --radius-lg: 12px;
            --radius-full: 9999px;
            --shadow-sm: 0 1px 3px rgba(0,0,0,.06);
            --shadow-md: 0 6px 20px rgba(0,0,0,.08);
            --transition: .25s ease;
        }
        
        body {
            background-color: var(--color-bg);
            color: var(--color-text);
            font-family: system-ui, "PingFang SC", "Microsoft YaHei", sans-serif;
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
        }

        img { max-width: 100%; display: block; }
        a { text-decoration: none; color: inherit; }
        button { border: none; background: none; cursor: pointer; }
        .container-site { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

        /* ===== 导航 ===== */
        .site-header { background: var(--color-surface); border-bottom: 1px solid var(--color-border); position: sticky; top: 0; z-index: 50; }
        .brand-row { display: flex; align-items: center; justify-content: space-between; padding: 12px 24px; max-width: 1200px; margin: 0 auto; }
        .brand-logo { display: flex; align-items: center; gap: 10px; }
        .brand-logo img { width: 40px; height: 40px; border-radius: 50%; background: var(--color-primary-soft); }
        .brand-name { font-size: 22px; font-weight: 800; letter-spacing: .04em; color: var(--color-accent-dark); }
        .brand-sub { font-size: 12px; color: var(--color-text-secondary); letter-spacing: .02em; margin-top: -2px; display: block; }
        .brand-right { display: flex; align-items: center; gap: 16px; }
        .search-link { display: flex; align-items: center; gap: 6px; font-size: 14px; color: var(--color-text-secondary); padding: 8px 14px; border-radius: var(--radius-full); transition: var(--transition); }
        .search-link:hover { background: var(--color-bg); color: var(--color-primary-dark); }
        .search-link:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }
        .nav-cta { background: var(--color-primary); color: #fff; font-size: 14px; font-weight: 600; padding: 8px 22px; border-radius: var(--radius-full); transition: var(--transition); box-shadow: var(--shadow-sm); }
        .nav-cta:hover { background: var(--color-primary-dark); transform: translateY(-1px); box-shadow: var(--shadow-md); }
        .nav-cta:active { transform: scale(.97); }
        .nav-cta:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }

        .channel-nav { border-top: 1px solid var(--color-border); background: var(--color-surface); }
        .channel-list { display: flex; gap: 4px; max-width: 1200px; margin: 0 auto; padding: 0 16px; overflow-x: auto; scrollbar-width: none; }
        .channel-list::-webkit-scrollbar { display: none; }
        .channel-link { display: block; padding: 10px 18px; font-size: 14px; color: var(--color-text-secondary); border-bottom: 2px solid transparent; white-space: nowrap; transition: var(--transition); font-weight: 500; }
        .channel-link:hover { color: var(--color-primary-dark); }
        .channel-link.active { color: var(--color-primary-dark); border-bottom-color: var(--color-primary); font-weight: 600; }
        .channel-link:focus-visible { outline: 2px solid var(--color-primary); outline-offset: -2px; }

        .mobile-menu-btn { display: none; width: 44px; height: 44px; align-items: center; justify-content: center; border-radius: 10px; transition: var(--transition); }
        .mobile-menu-btn:hover { background: var(--color-bg); }
        .mobile-menu-btn:focus-visible { outline: 2px solid var(--color-primary); }
        .mobile-menu { display: none; background: var(--color-surface); border-top: 1px solid var(--color-border); }
        .mobile-menu.open { display: block; }
        .mobile-menu a { display: flex; align-items: center; min-height: 48px; padding: 0 24px; font-size: 15px; color: var(--color-text); border-bottom: 1px solid #f0ebe0; }
        .mobile-menu a.active { color: var(--color-primary-dark); background: var(--color-primary-soft); font-weight: 600; }

        @media (max-width: 768px) {
            .brand-row { padding: 10px 16px; }
            .brand-sub { display: none; }
            .channel-nav { display: none; }
            .mobile-menu-btn { display: flex; }
            .search-link span { display: none; }
            .search-link { padding: 8px 10px; }
            .brand-name { font-size: 19px; }
        }

        /* ===== Hero ===== */
        .hero { position: relative; background: url('/assets/images/backpic/back-1.jpg') center/cover no-repeat; }
        .hero::before { content: ''; position: absolute; inset: 0; background: linear-gradient(100deg, rgba(253,251,245,.97) 30%, rgba(253,251,245,.82) 60%, rgba(245,230,196,.35)); }
        .hero-content { position: relative; z-index: 1; padding: 90px 0 80px; max-width: 640px; }
        .hero h1 { font-size: 44px; line-height: 1.2; font-weight: 800; color: var(--color-accent-dark); letter-spacing: -0.01em; animation: fadeUp .5s ease both; }
        .hero .hero-sub { font-size: 17px; color: var(--color-text-secondary); margin: 20px 0 28px; line-height: 1.9; animation: fadeUp .5s .12s ease both; }
        .hero-actions { display: flex; gap: 14px; flex-wrap: wrap; animation: fadeUp .5s .2s ease both; }
        .btn-primary { background: var(--color-primary); color: #fff; padding: 12px 32px; border-radius: var(--radius-full); font-size: 15px; font-weight: 600; display: inline-flex; align-items: center; gap: 8px; transition: var(--transition); box-shadow: var(--shadow-sm); }
        .btn-primary:hover { background: var(--color-primary-dark); transform: translateY(-2px); box-shadow: var(--shadow-md); }
        .btn-primary:active { transform: scale(.97); }
        .btn-outline { border: 1.5px solid var(--color-accent); color: var(--color-accent); padding: 10px 30px; border-radius: var(--radius-full); font-size: 15px; font-weight: 600; display: inline-flex; align-items: center; gap: 8px; background: transparent; transition: var(--transition); }
        .btn-outline:hover { background: var(--color-accent); color: #fff; transform: translateY(-2px); }
        .btn-outline:active { transform: scale(.97); }
        .hero-data { display: flex; gap: 36px; margin-top: 40px; padding-top: 28px; border-top: 1px solid rgba(0,0,0,.08); animation: fadeUp .5s .3s ease both; }
        .hero-data-item .num { font-size: 28px; font-weight: 800; color: var(--color-primary-dark); line-height: 1.2; }
        .hero-data-item .label { font-size: 13px; color: var(--color-text-secondary); }

        @keyframes fadeUp { from { opacity: 0; transform: translateY(14px);} to { opacity: 1; transform: translateY(0);} }

        @media (max-width: 768px) {
            .hero { background-position: 70% center; }
            .hero-content { padding: 60px 0 56px; }
            .hero h1 { font-size: 32px; }
            .hero .hero-sub { font-size: 15px; }
            .hero-data { gap: 20px; flex-wrap: wrap; }
        }

        /* ===== 通用区块标题 ===== */
        .section-title-wrap { margin-bottom: 42px; }
        .section-eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600; color: var(--color-primary-dark); background: var(--color-primary-soft); padding: 5px 14px; border-radius: var(--radius-full); letter-spacing: .04em; margin-bottom: 16px; }
        .section-title { font-size: 30px; font-weight: 700; color: var(--color-accent-dark); line-height: 1.3; letter-spacing: -0.01em; }
        .section-desc { font-size: 15px; color: var(--color-text-secondary); margin-top: 12px; max-width: 520px; line-height: 1.8; }
        @media (max-width: 768px) { .section-title { font-size: 24px; } }

        /* ===== 核心卖点 / 服务 ===== */
        .features-section { padding: 72px 0; }
        .features-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
        .features-list { margin-top: 24px; display: flex; flex-direction: column; gap: 16px; }
        .features-list li { display: flex; gap: 12px; align-items: flex-start; font-size: 15px; color: var(--color-text); }
        .features-list .dot { flex: none; width: 20px; height: 20px; border-radius: 50%; background: var(--color-primary); color: #fff; font-size: 12px; display: flex; align-items: center; justify-content: center; margin-top: 3px; }
        .features-image { position: relative; border-radius: 16px; overflow: hidden; box-shadow: var(--shadow-md); }
        .features-image img { width: 100%; height: 380px; object-fit: cover; }
        .features-image .brand-note { position: absolute; left: 20px; bottom: 20px; background: rgba(255,255,255,.95); padding: 14px 20px; border-radius: 12px; font-size: 14px; font-weight: 600; color: var(--color-accent-dark); max-width: 280px; box-shadow: var(--shadow-md); line-height: 1.6; }
        @media (max-width: 992px) { .features-grid { grid-template-columns: 1fr; gap: 32px; } .features-image img { height: 300px; } }

        /* ===== 优势数据 ===== */
        .stats-section { background: var(--color-accent-dark); padding: 60px 0; position: relative; }
        .stats-section::before { content: ''; position: absolute; inset: 0; background: radial-gradient(rgba(255,255,255,.04) 1px, transparent 1px); background-size: 20px 20px; }
        .stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; position: relative; z-index: 1; }
        .stat-item { text-align: center; padding: 12px; }
        .stat-num { font-size: 44px; font-weight: 800; color: var(--color-primary); line-height: 1.2; }
        .stat-unit { font-size: 16px; color: var(--color-primary-soft); margin-left: 2px; }
        .stat-desc { font-size: 14px; color: rgba(255,255,255,.8); margin-top: 8px; }
        @media (max-width: 768px) { .stats-grid { grid-template-columns: repeat(2, 1fr); } .stat-num { font-size: 32px; } }

        /* ===== 案例区块 ===== */
        .stories-section { padding: 72px 0; }
        .stories-grid { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 20px; }
        .story-card { border-radius: 14px; overflow: hidden; background: var(--color-surface); box-shadow: var(--shadow-sm); transition: var(--transition); position: relative; }
        .story-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
        .story-card .img-wrap { overflow: hidden; aspect-ratio: 4/3; }
        .story-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
        .story-card:hover img { transform: scale(1.05); }
        .story-card .badge { position: absolute; top: 14px; left: 14px; background: var(--color-primary); color: #fff; font-size: 12px; font-weight: 600; padding: 3px 12px; border-radius: var(--radius-full); }
        .story-card .badge-dark { background: var(--color-accent); }
        .story-card .card-body { padding: 18px 20px 22px; }
        .story-card h3 { font-size: 16px; font-weight: 700; color: var(--color-text); margin-bottom: 6px; transition: var(--transition); }
        .story-card:hover h3 { color: var(--color-primary-dark); }
        .story-card .story-summary { font-size: 13px; color: var(--color-text-secondary); line-height: 1.7; }
        .story-card.large { grid-row: span 2; }
        .story-card.large .img-wrap { aspect-ratio: 3/3.2; }
        .story-card.large h3 { font-size: 19px; }
        @media (max-width: 992px) { .stories-grid { grid-template-columns: 1fr 1fr; } }
        @media (max-width: 640px) { .stories-grid { grid-template-columns: 1fr; } .story-card.large { grid-row: auto; } }

        /* ===== 方案步骤 ===== */
        .process-section { background: var(--color-bg); padding: 72px 0; }
        .timeline { position: relative; max-width: 720px; margin: 0 auto; padding-left: 20px; }
        .timeline::before { content: ''; position: absolute; left: 29px; top: 8px; bottom: 8px; width: 2px; background: var(--color-border); }
        .timeline-item { position: relative; padding: 0 0 32px 56px; }
        .timeline-item:last-child { padding-bottom: 0; }
        .step-num { position: absolute; left: 0; top: 0; width: 60px; height: 60px; border-radius: 50%; background: var(--color-surface); border: 2px solid var(--color-primary); display: flex; align-items: center; justify-content: center; font-size: 16px; font-weight: 700; color: var(--color-primary-dark); }
        .timeline-item h3 { font-size: 17px; font-weight: 700; color: var(--color-accent-dark); margin-bottom: 4px; }
        .timeline-item p { font-size: 14px; color: var(--color-text-secondary); line-height: 1.7; }
        .process-more { text-align: center; margin-top: 36px; }
        .btn-outline-light { border-color: var(--color-primary); color: var(--color-primary-dark); padding: 10px 30px; border-radius: var(--radius-full); font-size: 14px; font-weight: 600; display: inline-block; border: 1.5px solid var(--color-primary); transition: var(--transition); }
        .btn-outline-light:hover { background: var(--color-primary); color: #fff; transform: translateY(-2px); }
        @media (max-width: 640px) { .timeline-item { padding-left: 46px; } .step-num { width: 48px; height: 48px; font-size: 14px; } .timeline::before { left: 24px; } }

        /* ===== 资讯列表 ===== */
        .news-section { padding: 72px 0; }
        .news-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 40px; }
        .news-list { display: flex; flex-direction: column; }
        .news-item { display: flex; gap: 16px; padding: 18px 0; border-bottom: 1px solid var(--color-border); transition: var(--transition); }
        .news-item:hover { background: var(--color-primary-soft); padding-left: 12px; padding-right: 12px; border-radius: 10px; border-bottom-color: transparent; }
        .news-item .date { flex: none; text-align: center; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: 10px; padding: 6px 12px; min-width: 56px; }
        .news-item .date .d { font-size: 20px; font-weight: 700; color: var(--color-primary-dark); line-height: 1.2; }
        .news-item .date .m { font-size: 12px; color: var(--color-text-secondary); }
        .news-item .title { font-size: 15px; font-weight: 600; color: var(--color-text); line-height: 1.5; transition: var(--transition); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
        .news-item:hover .title { color: var(--color-primary-dark); }
        .news-item .summary { font-size: 13px; color: var(--color-text-secondary); margin-top: 4px; line-height: 1.6; }
        .news-sidebar { display: flex; flex-direction: column; gap: 16px; }
        .news-sidebar .card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: 14px; padding: 24px; }
        .news-sidebar .card h3 { font-size: 16px; font-weight: 700; color: var(--color-accent-dark); margin-bottom: 12px; }
        .news-sidebar .card ul { list-style: none; }
        .news-sidebar .card li { padding: 8px 0; border-bottom: 1px dashed var(--color-border); font-size: 14px; color: var(--color-text); transition: var(--transition); }
        .news-sidebar .card li:last-child { border-bottom: none; }
        .news-sidebar .card li:hover { color: var(--color-primary-dark); padding-left: 6px; }
        @media (max-width: 992px) { .news-grid { grid-template-columns: 1fr; } }

        /* ===== FAQ ===== */
        .faq-section { padding: 72px 0; background: var(--color-surface); }
        .faq-list { max-width: 780px; margin: 0 auto; }
        .faq-item { border-bottom: 1px solid var(--color-border); }
        .faq-item summary { display: flex; justify-content: space-between; align-items: center; padding: 20px 4px; font-size: 15px; font-weight: 600; color: var(--color-text); cursor: pointer; list-style: none; transition: var(--transition); border-radius: 8px; }
        .faq-item summary::-webkit-details-marker { display: none; }
        .faq-item summary:hover { color: var(--color-primary-dark); background: var(--color-bg); padding-left: 12px; }
        .faq-item summary:focus-visible { outline: 2px solid var(--color-primary); }
        .faq-item .icon-plus { font-size: 22px; color: var(--color-primary); transition: transform .3s ease; font-weight: 300; }
        .faq-item[open] .icon-plus { transform: rotate(45deg); }
        .faq-item .answer { padding: 0 20px 20px 20px; color: var(--color-text-secondary); font-size: 14px; line-height: 1.9; }
        .faq-cta-note { text-align: center; margin-top: 28px; font-size: 14px; color: var(--color-text-secondary); }
        .faq-cta-note a { color: var(--color-primary-dark); font-weight: 600; text-decoration: underline; text-underline-offset: 3px; }

        /* ===== 联系 CTA ===== */
        .contact-cta { background: var(--color-primary-soft); padding: 64px 0; position: relative; overflow: hidden; }
        .contact-cta::after { content: ''; position: absolute; right: -60px; top: -60px; width: 200px; height: 200px; border-radius: 50%; background: rgba(212,160,23,.12); }
        .contact-inner { display: flex; flex-direction: column; align-items: center; text-align: center; position: relative; z-index: 1; }
        .contact-inner h2 { font-size: 28px; font-weight: 700; color: var(--color-accent-dark); margin-bottom: 12px; }
        .contact-inner > p { font-size: 15px; color: var(--color-text-secondary); max-width: 480px; margin-bottom: 28px; }
        .contact-cta .btn-primary { font-size: 16px; padding: 14px 40px; }
        .contact-meta { display: flex; gap: 28px; margin-top: 32px; font-size: 14px; color: var(--color-text-secondary); flex-wrap: wrap; justify-content: center; }
        .contact-meta span { display: flex; align-items: center; gap: 6px; }

        /* ===== 浮动转化条 ===== */
        .sticky-cta-bar { position: fixed; left: 0; right: 0; bottom: 0; z-index: 40; background: var(--color-surface); border-top: 1px solid var(--color-border); padding: 12px 24px; display: none; justify-content: center; align-items: center; gap: 16px; box-shadow: 0 -4px 20px rgba(0,0,0,.06); }
        .sticky-cta-bar .text { font-size: 14px; font-weight: 600; color: var(--color-accent-dark); }
        .sticky-cta-bar .btn-primary { padding: 8px 24px; font-size: 14px; }
        @media (max-width: 768px) { .sticky-cta-bar { display: flex; } }

        /* ===== 页脚 ===== */
        .site-footer { background: var(--color-accent-dark); color: rgba(255,255,255,.85); padding: 56px 0 24px; }
        .footer-top { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
        .footer-brand p { font-size: 13px; line-height: 1.8; color: rgba(255,255,255,.7); margin-top: 14px; max-width: 300px; }
        .footer-column h4 { font-size: 14px; font-weight: 600; color: #fff; margin-bottom: 16px; }
        .footer-column ul { list-style: none; }
        .footer-column li { margin-bottom: 10px; }
        .footer-column a { font-size: 13px; color: rgba(255,255,255,.7); transition: var(--transition); }
        .footer-column a:hover { color: var(--color-primary); padding-left: 4px; }
        .footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding-top: 22px; font-size: 12px; color: rgba(255,255,255,.5); display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
        @media (max-width: 992px) { .footer-top { grid-template-columns: 1fr 1fr; } }
        @media (max-width: 640px) { .footer-top { grid-template-columns: 1fr; gap: 28px; } }

        /* ===== 通用动画 ===== */
        .reveal { opacity: 0; transform: translateY(20px); transition: opacity .5s ease, transform .5s ease; }
        .reveal.visible { opacity: 1; transform: translateY(0); }

        /* focus */
        a:focus-visible, button:focus-visible, input:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }
        
        /* 图片加载失败占位 */
        img { background: var(--color-primary-soft); }

/* roulang page: category1 */
:root {
  --color-primary: #D4A017;
  --color-primary-dark: #A87C0E;
  --color-primary-soft: #F5E6C4;
  --color-accent: #2F4A3C;
  --color-accent-dark: #1E3228;
  --color-bg: #FDFBF5;
  --color-surface: #FFFFFF;
  --color-text: #2B2B2B;
  --color-text-secondary: #6B6B6B;
  --color-border: #E8DEC8;
  --color-highlight: #E8B423;
  --radius-lg: 12px;
  --radius-full: 9999px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.06);
  --shadow-md: 0 6px 20px rgba(0,0,0,.08);
  --transition: .25s ease;
}

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

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: system-ui, "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
button { border: none; background: none; cursor: pointer; }
input, select { font: inherit; }
.container-site { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ===== 导航 ===== */
.site-header { background: var(--color-surface); border-bottom: 1px solid var(--color-border); position: sticky; top: 0; z-index: 50; }
.brand-row { display: flex; align-items: center; justify-content: space-between; padding: 12px 24px; max-width: 1200px; margin: 0 auto; }
.brand-logo { display: flex; align-items: center; gap: 10px; }
.brand-logo img { width: 40px; height: 40px; border-radius: 50%; background: var(--color-primary-soft); object-fit: cover; }
.brand-name { font-size: 22px; font-weight: 800; letter-spacing: .04em; color: var(--color-accent-dark); }
.brand-sub { font-size: 12px; color: var(--color-text-secondary); letter-spacing: .02em; margin-top: -2px; display: block; }
.brand-right { display: flex; align-items: center; gap: 16px; }
.search-link { display: flex; align-items: center; gap: 6px; font-size: 14px; color: var(--color-text-secondary); padding: 8px 14px; border-radius: var(--radius-full); transition: var(--transition); }
.search-link:hover { background: var(--color-bg); color: var(--color-primary-dark); }
.search-link:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }
.nav-cta { background: var(--color-primary); color: #fff; font-size: 14px; font-weight: 600; padding: 8px 22px; border-radius: var(--radius-full); transition: var(--transition); box-shadow: var(--shadow-sm); }
.nav-cta:hover { background: var(--color-primary-dark); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.nav-cta:active { transform: scale(.97); }
.nav-cta:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }
.channel-nav { border-top: 1px solid var(--color-border); background: var(--color-surface); }
.channel-list { display: flex; gap: 4px; max-width: 1200px; margin: 0 auto; padding: 0 16px; overflow-x: auto; scrollbar-width: none; }
.channel-list::-webkit-scrollbar { display: none; }
.channel-link { display: inline-flex; align-items: center; padding: 11px 18px; font-size: 14px; font-weight: 500; color: var(--color-text-secondary); border-bottom: 2px solid transparent; transition: var(--transition); white-space: nowrap; }
.channel-link:hover { color: var(--color-accent); background: var(--color-bg); }
.channel-link.active { color: var(--color-primary-dark); font-weight: 600; border-bottom-color: var(--color-primary); }
.channel-link:focus-visible { outline: 2px solid var(--color-primary); outline-offset: -2px; }
.mobile-menu-btn { display: none; width: 44px; height: 44px; align-items: center; justify-content: center; border-radius: 10px; transition: var(--transition); }
.mobile-menu-btn:hover { background: var(--color-bg); }
.mobile-menu-btn:focus-visible { outline: 2px solid var(--color-primary); }
.mobile-menu { display: none; background: var(--color-surface); border-top: 1px solid var(--color-border); }
.mobile-menu.open { display: block; }
.mobile-menu a { display: flex; align-items: center; min-height: 48px; padding: 0 24px; font-size: 15px; color: var(--color-text); border-bottom: 1px solid #f0ebe0; }
.mobile-menu a.active { color: var(--color-primary-dark); background: var(--color-primary-soft); font-weight: 600; }

@media (max-width: 768px) {
  .brand-row { padding: 10px 16px; }
  .brand-sub { display: none; }
  .channel-nav { display: none; }
  .mobile-menu-btn { display: flex; }
  .search-link span { display: none; }
  .search-link { padding: 8px 10px; }
  .brand-name { font-size: 19px; }
}

/* ===== 通用按钮与标题 ===== */
.btn-primary { background: var(--color-primary); color: #fff; padding: 12px 32px; border-radius: var(--radius-full); font-size: 15px; font-weight: 600; display: inline-flex; align-items: center; gap: 8px; transition: var(--transition); box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--color-primary-dark); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-primary:active { transform: scale(.97); }
.btn-primary:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 3px; }
.btn-outline { border: 1.5px solid var(--color-accent); color: var(--color-accent); padding: 10px 30px; border-radius: var(--radius-full); font-size: 15px; font-weight: 600; display: inline-flex; align-items: center; gap: 8px; background: transparent; transition: var(--transition); }
.btn-outline:hover { background: var(--color-accent); color: #fff; transform: translateY(-2px); }
.btn-outline:active { transform: scale(.97); }
.btn-outline:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 3px; }
.section-title-wrap { margin-bottom: 42px; }
.section-eyebrow { display: inline-block; background: var(--color-primary-soft); color: var(--color-primary-dark); font-size: 13px; font-weight: 600; padding: 4px 16px; border-radius: var(--radius-full); letter-spacing: .03em; margin-bottom: 14px; }
.section-title-wrap h2 { font-size: 30px; font-weight: 800; color: var(--color-accent-dark); letter-spacing: -0.01em; line-height: 1.3; margin-bottom: 10px; }
.section-title-wrap p { font-size: 15px; color: var(--color-text-secondary); max-width: 560px; }

/* ===== 分类页 Hero ===== */
.category-hero { position: relative; background: url('/assets/images/backpic/back-1.jpg') center/cover no-repeat; }
.category-hero::before { content: ''; position: absolute; inset: 0; background: linear-gradient(100deg, rgba(253,251,245,.97) 32%, rgba(253,251,245,.84) 62%, rgba(245,230,196,.38)); }
.category-hero .hero-inner { position: relative; z-index: 1; padding: 76px 0 68px; }
.breadcrumb { font-size: 13px; color: var(--color-text-secondary); margin-bottom: 22px; display: flex; align-items: center; gap: 6px; }
.breadcrumb a { color: var(--color-primary-dark); transition: var(--transition); }
.breadcrumb a:hover { color: var(--color-accent); text-decoration: underline; }
.category-hero h1 { font-size: 42px; line-height: 1.2; font-weight: 800; color: var(--color-accent-dark); letter-spacing: -0.01em; margin-bottom: 16px; }
.category-hero .hero-desc { font-size: 17px; color: var(--color-text-secondary); max-width: 560px; line-height: 1.9; margin-bottom: 30px; }
.hero-features { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 32px; }
.hero-feature-item { display: inline-flex; align-items: center; gap: 6px; background: rgba(255,255,255,.85); border: 1px solid var(--color-border); padding: 6px 16px; border-radius: var(--radius-full); font-size: 13px; color: var(--color-accent); font-weight: 500; box-shadow: var(--shadow-sm); }
.hero-feature-item svg { width: 14px; height: 14px; color: var(--color-primary-dark); }
.hero-slot-card { margin-top: 20px; background: rgba(255,255,255,.92); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: 24px; box-shadow: var(--shadow-md); backdrop-filter: blur(4px); }
.hero-slot-card .slot-title { font-size: 15px; font-weight: 700; color: var(--color-accent-dark); margin-bottom: 12px; display: flex; align-items: center; gap: 8px; }
.slot-list { display: flex; flex-direction: column; gap: 8px; margin-bottom: 16px; }
.slot-option { display: flex; align-items: center; gap: 10px; padding: 10px 14px; border: 1px solid var(--color-border); border-radius: 10px; background: var(--color-bg); font-size: 14px; color: var(--color-text); transition: var(--transition); }
.slot-option:hover { border-color: var(--color-primary); background: var(--color-primary-soft); }
.slot-option .slot-time { font-weight: 600; color: var(--color-accent-dark); }
.slot-option .slot-hint { font-size: 12px; color: var(--color-text-secondary); margin-left: auto; }
.slot-option .radio-dot { width: 16px; height: 16px; border-radius: 50%; border: 2px solid var(--color-border); background: #fff; flex-shrink: 0; }
.slot-option.active { border-color: var(--color-primary); background: var(--color-primary-soft); }
.slot-option.active .radio-dot { border-color: var(--color-primary); background: var(--color-primary); box-shadow: inset 0 0 0 3px #fff; }

@media (max-width: 768px) {
  .category-hero h1 { font-size: 30px; }
  .category-hero .hero-desc { font-size: 15px; }
  .category-hero .hero-inner { padding: 52px 0 48px; }
}

/* ===== 筛选标签 ===== */
.filter-section { border-bottom: 1px solid var(--color-border); background: var(--color-surface); }
.filter-tags { display: flex; gap: 10px; overflow-x: auto; padding: 18px 0; scrollbar-width: none; }
.filter-tags::-webkit-scrollbar { display: none; }
.filter-tag { flex-shrink: 0; padding: 7px 22px; border-radius: var(--radius-full); font-size: 14px; font-weight: 500; background: var(--color-bg); border: 1px solid var(--color-border); color: var(--color-text-secondary); transition: var(--transition); }
.filter-tag:hover { border-color: var(--color-primary); color: var(--color-primary-dark); background: var(--color-primary-soft); }
.filter-tag.active { background: var(--color-primary); border-color: var(--color-primary); color: #fff; font-weight: 600; }
.filter-tag:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }

/* ===== 产品卡片 ===== */
.product-section { padding: 64px 0 30px; }
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.product-card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm); transition: var(--transition); display: flex; flex-direction: column; }
.product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: rgba(212,160,23,.4); }
.product-card .card-img-wrap { position: relative; aspect-ratio: 4/3; overflow: hidden; background: var(--color-primary-soft); }
.product-card .card-img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.product-card:hover .card-img-wrap img { transform: scale(1.05); }
.product-card .card-badge { position: absolute; top: 14px; left: 14px; background: var(--color-accent); color: #fff; font-size: 12px; font-weight: 600; padding: 3px 12px; border-radius: var(--radius-full); letter-spacing: .02em; }
.product-card .card-badge.gold { background: var(--color-primary); }
.product-card .card-body { padding: 20px 20px 18px; display: flex; flex-direction: column; flex: 1; }
.product-card .card-body h3 { font-size: 17px; font-weight: 700; color: var(--color-accent-dark); margin-bottom: 8px; line-height: 1.4; transition: var(--transition); }
.product-card:hover .card-body h3 { color: var(--color-primary-dark); }
.product-card .card-body p { font-size: 14px; color: var(--color-text-secondary); line-height: 1.7; flex: 1; }
.product-card .card-footer { display: flex; align-items: center; justify-content: space-between; margin-top: 16px; padding-top: 14px; border-top: 1px solid #f0ebe0; }
.product-card .card-price { font-size: 16px; font-weight: 700; color: var(--color-primary-dark); }
.product-card .card-price .unit { font-size: 12px; font-weight: 400; color: var(--color-text-secondary); margin-left: 4px; }
.product-card .card-view { display: inline-flex; align-items: center; gap: 5px; font-size: 14px; font-weight: 600; color: var(--color-accent); transition: var(--transition); }
.product-card .card-view:hover { color: var(--color-primary-dark); gap: 8px; }
.product-card:focus-within { outline: 2px solid var(--color-primary); outline-offset: 2px; }

@media (max-width: 992px) {
  .product-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 576px) {
  .product-grid { grid-template-columns: 1fr; }
  .product-section { padding: 48px 0 20px; }
}

/* ===== 分页 ===== */
.pagination { display: flex; justify-content: center; align-items: center; gap: 8px; padding: 36px 0 0; }
.page-btn { width: 40px; height: 40px; display: inline-flex; align-items: center; justify-content: center; border-radius: var(--radius-full); font-size: 14px; font-weight: 600; color: var(--color-text-secondary); background: var(--color-bg); border: 1px solid var(--color-border); transition: var(--transition); }
.page-btn:hover { border-color: var(--color-primary); color: var(--color-primary-dark); background: var(--color-primary-soft); }
.page-btn.active { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }
.page-btn:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }
.page-arrow { font-size: 18px; line-height: 1; }

/* ===== 优势数据 ===== */
.stats-section { background: var(--color-accent-dark); padding: 56px 0; position: relative; overflow: hidden; }
.stats-section::before { content: ''; position: absolute; inset: 0; background: radial-gradient(rgba(255,255,255,.04) 1px, transparent 1px); background-size: 24px 24px; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; position: relative; z-index: 1; }
.stat-item { text-align: center; padding: 16px 8px; }
.stat-item .num { font-size: 44px; font-weight: 800; color: var(--color-highlight); line-height: 1.2; letter-spacing: -0.01em; }
.stat-item .num .unit { font-size: 20px; font-weight: 600; margin-left: 2px; }
.stat-item .label { font-size: 14px; color: rgba(255,255,255,.72); margin-top: 6px; }
@media (max-width: 768px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .stat-item .num { font-size: 34px; }
}

/* ===== 适用场景 ===== */
.scenario-section { padding: 64px 0; }
.scenario-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.scenario-card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: 26px 22px; box-shadow: var(--shadow-sm); transition: var(--transition); }
.scenario-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: rgba(212,160,23,.35); }
.scenario-card .icon-wrap { width: 46px; height: 46px; border-radius: 12px; background: var(--color-primary-soft); display: flex; align-items: center; justify-content: center; margin-bottom: 16px; color: var(--color-primary-dark); }
.scenario-card h3 { font-size: 16px; font-weight: 700; color: var(--color-accent-dark); margin-bottom: 8px; }
.scenario-card p { font-size: 14px; color: var(--color-text-secondary); line-height: 1.7; }
.scenario-card:focus-within { outline: 2px solid var(--color-primary); outline-offset: 2px; }
@media (max-width: 768px) { .scenario-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .scenario-grid { grid-template-columns: 1fr; } }

/* ===== 流程时间线 ===== */
.process-section { padding: 24px 0 64px; }
.process-timeline { position: relative; max-width: 720px; margin: 0 auto; padding-left: 44px; }
.process-timeline::before { content: ''; position: absolute; left: 14px; top: 8px; bottom: 8px; width: 2px; background: linear-gradient(to bottom, var(--color-primary), var(--color-primary-soft)); }
.process-step { position: relative; margin-bottom: 36px; }
.process-step:last-child { margin-bottom: 0; }
.process-step .step-dot { position: absolute; left: -44px; top: 4px; width: 28px; height: 28px; border-radius: 50%; background: var(--color-primary); border: 4px solid var(--color-primary-soft); display: flex; align-items: center; justify-content: center; color: #fff; font-size: 12px; font-weight: 700; }
.process-step h3 { font-size: 17px; font-weight: 700; color: var(--color-accent-dark); margin-bottom: 6px; }
.process-step p { font-size: 14px; color: var(--color-text-secondary); line-height: 1.7; }

/* ===== FAQ ===== */
.faq-section { padding: 64px 0; background: var(--color-surface); border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }
.faq-list { max-width: 760px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--color-border); }
.faq-item:first-child { border-top: 1px solid var(--color-border); }
.faq-item summary { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 20px 4px; cursor: pointer; font-size: 16px; font-weight: 600; color: var(--color-accent-dark); list-style: none; transition: var(--transition); }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: var(--color-primary-dark); }
.faq-item summary:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 4px; border-radius: 4px; }
.faq-item summary .faq-icon { width: 28px; height: 28px; border-radius: 50%; background: var(--color-primary-soft); display: inline-flex; align-items: center; justify-content: center; font-size: 18px; font-weight: 400; color: var(--color-primary-dark); flex-shrink: 0; transition: transform .3s ease, background .3s ease; }
.faq-item[open] summary .faq-icon { transform: rotate(135deg); background: var(--color-primary); color: #fff; }
.faq-item .faq-answer { padding: 0 4px 20px; font-size: 15px; color: var(--color-text-secondary); line-height: 1.8; max-width: 640px; }

/* ===== CTA ===== */
.cta-banner { background: var(--color-primary-soft); padding: 60px 0; }
.cta-banner .cta-inner { text-align: center; max-width: 560px; margin: 0 auto; }
.cta-banner h2 { font-size: 30px; font-weight: 800; color: var(--color-accent-dark); letter-spacing: -0.01em; margin-bottom: 10px; }
.cta-banner p { font-size: 15px; color: var(--color-text-secondary); margin-bottom: 26px; }
.cta-banner .btn-primary { background: var(--color-primary); }
.cta-banner .btn-primary:hover { background: var(--color-primary-dark); }
.cta-contact { display: flex; justify-content: center; flex-wrap: wrap; gap: 24px; margin-top: 30px; font-size: 14px; color: var(--color-text-secondary); }
.cta-contact span { display: inline-flex; align-items: center; gap: 6px; }
.cta-contact svg { width: 16px; height: 16px; color: var(--color-primary-dark); }

/* ===== 页脚 ===== */
.site-footer { background: var(--color-accent-dark); color: rgba(255,255,255,.7); padding: 56px 0 0; }
.footer-top { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,.1); }
.footer-brand .brand-logo { margin-bottom: 16px; }
.footer-brand .brand-name { color: #fff; }
.footer-brand .brand-sub { color: rgba(255,255,255,.6); }
.footer-brand p { font-size: 14px; line-height: 1.8; max-width: 360px; }
.footer-column h4 { font-size: 15px; font-weight: 600; color: #fff; margin-bottom: 16px; }
.footer-column ul { list-style: none; }
.footer-column ul li { margin-bottom: 10px; }
.footer-column ul a { font-size: 14px; color: rgba(255,255,255,.6); transition: var(--transition); }
.footer-column ul a:hover { color: var(--color-highlight); }
.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; padding: 22px 0; font-size: 13px; color: rgba(255,255,255,.45); }
@media (max-width: 768px) {
  .footer-top { grid-template-columns: 1fr; gap: 30px; }
}

/* ===== 动效 ===== */
@keyframes fadeUp { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }
.fade-up { animation: fadeUp .5s ease both; }
.fade-up-delay-1 { animation: fadeUp .5s .12s ease both; }
.fade-up-delay-2 { animation: fadeUp .5s .2s ease both; }