:root{
  --bg:#f7f4ef;
  --panel:#ffffff;
  --ink:#20242a;
  --muted:#65717f;
  --brand:#cf3f2e;
  --brand-dark:#8b1e18;
  --line:#e7ddd0;
  --soft:#fff8ef;
  --shadow:0 18px 45px rgba(32,36,42,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;line-height:1.72}
a{color:inherit;text-decoration:none}
img,video{max-width:100%;display:block}
.site-header{background:linear-gradient(135deg,#fff 0%,#fff8ef 100%);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;box-shadow:0 8px 24px rgba(0,0,0,.04)}
.header-inner{max-width:1180px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:22px;padding:18px 20px 12px}
.brand-logo,.footer-logo{display:flex;align-items:center;gap:12px;font-weight:800}
.brand-mark{width:42px;height:42px;border-radius:14px;background:var(--brand);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-weight:900;box-shadow:0 10px 20px rgba(207,63,46,.24)}
.brand-copy{display:flex;flex-direction:column;line-height:1.2}.brand-copy strong{font-size:22px}.brand-copy em{font-style:normal;color:var(--muted);font-size:13px}.main-nav{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:flex-end}.main-nav a{padding:9px 12px;border-radius:999px;color:#3f4652;font-weight:700;font-size:14px}.main-nav a:hover,.main-nav a.active{background:var(--brand);color:#fff}.domain-strip{padding:8px 20px;text-align:center;background:#291c19;color:#fff;font-size:14px}.search-box{max-width:980px;margin:12px auto 16px;display:grid;grid-template-columns:auto 1fr auto;gap:10px;align-items:center;padding:0 20px}.search-box label{font-weight:800;color:var(--brand-dark)}.search-box input{border:1px solid var(--line);border-radius:14px;padding:12px 14px;font-size:15px;background:#fff}.search-box button,.btn,.share-btn{border:0;border-radius:14px;background:var(--ink);color:#fff;font-weight:800;padding:12px 18px;cursor:pointer}.search-note{grid-column:2/4;margin:0;color:var(--muted);font-size:13px}.container{max-width:1180px;margin:auto;padding:28px 20px}.hero{display:grid;grid-template-columns:1.18fr .82fr;gap:22px;align-items:stretch}.hero-card,.panel,.article-card,.video-card,.author-card,.faq-item,.comment-card{background:var(--panel);border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow)}.hero-card{padding:30px;display:grid;grid-template-columns:1fr .88fr;gap:24px;align-items:center}.eyebrow{display:inline-flex;gap:8px;align-items:center;background:#ffe5dc;color:var(--brand-dark);border-radius:999px;padding:6px 12px;font-size:13px;font-weight:900}.hero h1{font-size:42px;line-height:1.14;margin:18px 0 12px}.lead{color:#4f5a66;font-size:17px}.meta-row,.tag-row,.stat-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}.meta-row span,.tag,.stat-row span{background:var(--soft);border:1px solid var(--line);border-radius:999px;padding:6px 10px;color:#4e5965;font-size:13px}.hero-aside{display:grid;gap:16px}.panel{padding:22px}.panel h2,.section-title h2{margin:0 0 12px;font-size:24px}.hot-list{list-style:none;margin:0;padding:0;display:grid;gap:12px}.hot-list li{display:grid;grid-template-columns:auto 1fr;gap:12px;align-items:start}.rank{background:#20242a;color:#fff;border-radius:10px;padding:2px 8px;font-weight:900}.section-title{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin:36px 0 16px}.section-title p{margin:0;color:var(--muted)}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.article-card,.video-card,.author-card,.comment-card{overflow:hidden}.card-body{padding:18px}.article-card h3,.video-card h3,.author-card h3{margin:0 0 10px;font-size:20px;line-height:1.35}.article-card p,.video-card p,.author-card p,.comment-card p{color:#56616f;margin:0}.domain-aware-image{margin:0}.domain-aware-image figcaption{font-size:12px;color:#717b88;padding:8px 2px 0}.video-shell{position:relative;background:#111;overflow:hidden;border-radius:20px 20px 0 0}.video-shell video,.video-shell img{width:100%;aspect-ratio:16/9;object-fit:cover;opacity:.94}.play-btn{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%) scale(.86);width:62px;height:62px;border-radius:50%;border:0;background:rgba(207,63,46,.94);color:#fff;font-size:26px;display:flex;align-items:center;justify-content:center;opacity:0;transition:.22s ease;box-shadow:0 14px 34px rgba(0,0,0,.28)}.video-card:hover .play-btn,.video-card:focus-within .play-btn,.video-card.is-hover .play-btn{opacity:1;transform:translate(-50%,-50%) scale(1)}.video-badge{position:absolute;left:12px;top:12px;background:rgba(255,255,255,.92);border-radius:999px;padding:5px 10px;font-size:12px;font-weight:900;color:var(--brand-dark)}.module-json{background:#1d232b;color:#eef5ff;border-radius:20px;padding:18px;overflow:auto;font-size:13px;line-height:1.55}.module-json code{white-space:pre}.topic-strip{display:flex;gap:12px;overflow:auto;padding-bottom:8px}.topic-strip a{min-width:max-content;background:#fff;border:1px solid var(--line);border-radius:16px;padding:10px 14px;font-weight:800}.faq-list{display:grid;gap:12px}.faq-item{padding:18px}.faq-item summary{cursor:pointer;font-weight:900;color:#29313a}.faq-item p{margin:10px 0 0;color:#56616f}.author-card{padding:20px;display:flex;gap:16px}.avatar{width:58px;height:58px;border-radius:18px;background:linear-gradient(135deg,#cf3f2e,#20242a);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:900;flex:0 0 auto}.comment-card{padding:18px}.quote-mark{font-size:26px;color:var(--brand);font-weight:900}.share-box{display:flex;gap:12px;flex-wrap:wrap;align-items:center;background:#fff;border:1px solid var(--line);border-radius:20px;padding:16px}.bread{color:#65717f;font-size:14px;margin-bottom:14px}.bread a{color:var(--brand-dark);font-weight:800}.page-title{background:#fff;border:1px solid var(--line);border-radius:24px;padding:28px;box-shadow:var(--shadow);margin-bottom:22px}.page-title h1{margin:0 0 10px;font-size:36px;line-height:1.2}.page-title p{margin:0;color:#586270}.site-footer{margin-top:48px;background:#211715;color:#fff}.footer-grid{max-width:1180px;margin:auto;padding:34px 20px;display:grid;grid-template-columns:1.2fr .8fr 1fr;gap:24px}.footer-grid p{color:#d6cbc6}.footer-grid h2{font-size:18px}.footer-grid a{display:block;color:#fff;margin:8px 0}.footer-bottom{border-top:1px solid rgba(255,255,255,.16);max-width:1180px;margin:auto;padding:16px 20px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;color:#eee}.notice{border-left:4px solid var(--brand);background:#fff7f2;padding:14px;border-radius:14px;color:#5b3a34}.contact-form{display:grid;gap:12px}.contact-form input,.contact-form textarea,.contact-form select{width:100%;border:1px solid var(--line);border-radius:14px;padding:12px;background:#fff;font:inherit}.contact-form textarea{min-height:130px}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:14px}.toc{background:#fff;border:1px solid var(--line);border-radius:20px;padding:18px}.toc a{display:inline-flex;margin:6px 8px 6px 0;padding:7px 12px;border-radius:999px;background:#f5eee8;color:#51302d;font-weight:800}.video-seo-note{background:#fdfbf8;border:1px dashed #d9c6b6;border-radius:18px;padding:16px;color:#4c5966}.mobile-only-note{font-size:13px;color:#67717e}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media (max-width:980px){.hero,.hero-card,.grid-3,.grid-2,.footer-grid,.two-col{grid-template-columns:1fr}.hero h1{font-size:34px}.header-inner{align-items:flex-start;flex-direction:column}.main-nav{justify-content:flex-start}.search-box{grid-template-columns:1fr}.search-note{grid-column:auto}.search-box label{display:none}}@media (max-width:560px){.container{padding:18px 14px}.hero-card,.page-title{padding:20px}.hero h1,.page-title h1{font-size:28px}.section-title{display:block}.brand-copy strong{font-size:19px}.main-nav a{font-size:13px;padding:8px 10px}.footer-bottom{display:block}.article-card h3,.video-card h3{font-size:18px}}