:root{
  --bg:#f6f8fb;--card:#ffffff;--line:#e5e7eb;--text:#111827;--muted:#4b5563;--brand:#d97706;--soft:#fff7ed;--shadow:0 12px 32px rgba(17,24,39,.08);--radius:20px;--max:1180px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;color:var(--text);background:linear-gradient(180deg,#f9fafb 0%,#f6f8fb 100%);line-height:1.75;font-size:16px}
img{max-width:100%;display:block}a{color:inherit;text-decoration:none}
.wrap{width:min(var(--max),calc(100% - 32px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:40;backdrop-filter:saturate(180%) blur(18px);background:rgba(255,255,255,.92);border-bottom:1px solid rgba(229,231,235,.9)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:14px 0}
.logo{display:flex;align-items:center;gap:12px;min-width:0}
.logo-mark{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg,#f59e0b,#d97706);color:#fff;font-weight:800;font-size:20px;box-shadow:var(--shadow)}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text strong{font-size:18px}.logo-text em{font-style:normal;color:var(--muted);font-size:12px;margin-top:4px}
.site-nav{display:flex;flex-wrap:wrap;gap:10px 8px;justify-content:center}
.site-nav a{padding:9px 14px;border-radius:999px;color:var(--muted);transition:.2s ease;background:transparent}
.site-nav a:hover,.site-nav a.is-current{background:#111827;color:#fff}
.cta{display:inline-flex;align-items:center;justify-content:center;padding:12px 18px;border-radius:999px;background:var(--brand);color:#fff;font-weight:700;box-shadow:0 8px 22px rgba(217,119,6,.25);border:0}
.cta.secondary{background:#fff;color:#111827;border:1px solid var(--line);box-shadow:none}
.cta.ghost{background:#fff;color:#111827;border:1px solid var(--line);box-shadow:none}
.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;color:var(--muted);font-size:14px;padding:16px 0 6px}
.breadcrumb .sep{color:#9ca3af}
.hero{padding:34px 0 8px;display:grid;grid-template-columns:1.05fr .95fr;gap:24px;align-items:center}
.eyebrow{display:inline-flex;padding:8px 12px;border-radius:999px;background:var(--soft);color:#9a5b00;font-weight:700;font-size:13px;margin:0 0 12px}
.hero h1{font-size:40px;line-height:1.18;margin:0 0 16px}.lead{font-size:17px;color:var(--muted);margin:0 0 20px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-media{position:relative;border-radius:28px;overflow:hidden;box-shadow:var(--shadow);min-height:360px;background:#ddd}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(17,24,39,.18),rgba(17,24,39,.5))}
.hero-media figcaption{position:absolute;inset:auto 20px 22px 20px;z-index:2;color:#fff;font-size:clamp(24px,3vw,40px);font-weight:800;line-height:1.2;text-shadow:0 4px 16px rgba(0,0,0,.28)}
main{padding:8px 0 50px}.grid-2{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:24px;align-items:start}
.card{background:var(--card);border:1px solid rgba(229,231,235,.9);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
.article-section+.article-section{margin-top:18px}
.article-section h2,.card h2,.faq h2{font-size:26px;line-height:1.3;margin:0 0 12px}
.article-section p,.card p{margin:0 0 14px;color:var(--muted)}
.article-section:last-child p:last-child,.card p:last-child{margin-bottom:0}
.feature-grid,.cat-grid,.article-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.cat-card,.post-card{background:var(--card);border:1px solid rgba(229,231,235,.95);border-radius:18px;padding:22px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:12px}
.cat-card span,.post-card span{font-size:13px;color:#9ca3af}.cat-card h3,.post-card h3{font-size:22px;line-height:1.3;margin:0}
.cat-card p,.post-card p{color:var(--muted);margin:0;flex:1}
.post-card a.more,.cat-card a.more{display:inline-flex;align-items:center;gap:8px;font-weight:700;color:#9a5b00}
.mini-list{display:grid;gap:14px}
.mini-list a{display:flex;justify-content:space-between;gap:12px;padding:14px 0;border-bottom:1px dashed var(--line)}
.mini-list a:last-child{border-bottom:0;padding-bottom:0}.mini-list strong{font-size:17px}.mini-list span{color:var(--muted);font-size:14px}
.section-block{margin-top:28px}.toc ol{margin:0;padding-left:22px}.toc li+li{margin-top:10px}.toc a{color:var(--muted)}.toc a:hover{color:#111827}
.related ul{margin:0;padding-left:20px}.related li+li{margin-top:10px}
.faq details{background:#fff7ed;border:1px solid #fed7aa;border-radius:16px;padding:14px 16px}.faq details+details{margin-top:12px}.faq summary{cursor:pointer;font-weight:700}.faq p{margin:10px 0 0}
.cta-panel{margin:24px 0 0;padding:24px;border-radius:24px;box-shadow:var(--shadow);border:1px solid rgba(229,231,235,.95);background:linear-gradient(135deg,#fff 0%,#fff7ed 100%);display:flex;justify-content:space-between;gap:20px;align-items:center}
.cta-panel h2{margin:0 0 8px;font-size:28px}.cta-panel p{margin:0;color:var(--muted)}.cta-panel-actions{display:flex;flex-wrap:wrap;gap:12px}
.site-footer{background:#0f172a;color:#e5e7eb;padding:46px 0 30px;margin-top:40px}
.footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:24px}.site-footer h3{margin:0 0 10px;font-size:18px}.site-footer p{margin:0;color:#cbd5e1}
.footer-links{line-height:2}.footer-bottom{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-top:26px;padding-top:16px;border-top:1px solid rgba(148,163,184,.25);font-size:13px;color:#94a3b8}
.float-chat{position:fixed;right:18px;bottom:18px;z-index:45}.float-chat a{display:inline-flex;align-items:center;justify-content:center;min-width:120px;padding:14px 18px;border-radius:999px;background:#111827;color:#fff;font-weight:800;box-shadow:0 14px 30px rgba(17,24,39,.28)}
.info-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-top:18px}
.info-item{background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px;box-shadow:var(--shadow)}.info-item strong{display:block;font-size:17px;margin-bottom:8px}.info-item p{margin:0;color:var(--muted)}
.hub-intro{background:#fff;border:1px solid var(--line);border-radius:24px;padding:24px;box-shadow:var(--shadow)}
.note{font-size:14px;color:#6b7280;background:#f9fafb;border:1px dashed var(--line);padding:14px 16px;border-radius:16px}
@media (max-width:1040px){.hero{grid-template-columns:1fr}.grid-2{grid-template-columns:1fr}.feature-grid,.cat-grid,.article-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-grid{grid-template-columns:1fr}}
@media (max-width:760px){.header-inner{padding:12px 0}.logo-text strong{font-size:16px}.site-nav{display:none}.hero{padding-top:20px}.hero h1{font-size:30px}.hero-media{min-height:250px}.hero-media figcaption{font-size:clamp(22px,7vw,30px)}.feature-grid,.cat-grid,.article-grid,.info-strip{grid-template-columns:1fr}.card,.post-card,.cat-card,.hub-intro{padding:18px}.article-section h2,.card h2,.faq h2{font-size:24px}.cta-panel{padding:20px;flex-direction:column;align-items:flex-start}.float-chat a{min-width:auto}}