:root{--bg:#f6f7fb;--card:#fff;--text:#1d2433;--muted:#667085;--brand:#c94f3d;--brand2:#1f6f8b;--line:#e7e9ef;--shadow:0 12px 34px rgba(31,42,68,.08)}
*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.72}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto;display:block}.wrap{width:min(1180px,92vw);margin:auto}.topbar{background:#111827;color:#fff;font-size:13px}.topbar .wrap{display:flex;justify-content:space-between;gap:16px;padding:8px 0;flex-wrap:wrap}.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:18px 0}.logo{display:flex;align-items:center;gap:12px;font-weight:900;font-size:28px;color:var(--brand)}.logo-mark{width:42px;height:42px;border-radius:13px;background:linear-gradient(135deg,var(--brand),#f3b047);display:grid;place-items:center;color:#fff;box-shadow:var(--shadow)}.nav{display:flex;gap:16px;flex-wrap:wrap;font-weight:700}.nav a{padding:8px 10px;border-radius:999px}.nav a:hover{background:#fff1ee;color:var(--brand)}.search-band{background:linear-gradient(90deg,#fff,#fff7f2);border-bottom:1px solid var(--line);padding:14px 0}.search-form{display:flex;gap:10px}.search-form input{flex:1;border:1px solid var(--line);border-radius:999px;padding:13px 18px;font-size:15px}.btn{border:0;border-radius:999px;background:var(--brand);color:#fff;padding:12px 20px;font-weight:800;cursor:pointer}.notice{font-size:13px;color:var(--muted);margin-top:7px}.hero{padding:28px 0}.grid{display:grid;gap:20px}.hero-grid{grid-template-columns:1.4fr .8fr}.card{background:var(--card);border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);overflow:hidden}.pad{padding:22px}.eyebrow{color:var(--brand);font-weight:900;font-size:14px}.headline{font-size:34px;line-height:1.25;margin:10px 0}.summary{color:var(--muted);margin:8px 0 16px}.meta{display:flex;gap:12px;flex-wrap:wrap;color:#667085;font-size:13px}.section{padding:18px 0}.section-title{display:flex;align-items:end;justify-content:space-between;gap:12px;margin-bottom:14px}.section-title h2{margin:0;font-size:26px}.more{color:var(--brand2);font-weight:800}.news-grid{grid-template-columns:repeat(3,1fr)}.two-grid{grid-template-columns:2fr 1fr}.video-card{position:relative}.thumb{position:relative;overflow:hidden;background:#d9dee8}.thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s ease}.play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%) scale(.8);width:68px;height:68px;border-radius:50%;background:rgba(0,0,0,.62);display:grid;place-items:center;opacity:0;transition:.25s}.play:before{content:"";border-left:21px solid white;border-top:13px solid transparent;border-bottom:13px solid transparent;margin-left:5px}.video-card:hover .thumb img{transform:scale(1.06)}.video-card:hover .play{opacity:1;transform:translate(-50%,-50%) scale(1)}.badge{position:absolute;left:12px;top:12px;background:rgba(201,79,61,.92);color:#fff;border-radius:999px;padding:5px 10px;font-size:12px;font-weight:800}.stat{display:flex;gap:10px;flex-wrap:wrap;font-size:13px;color:#667085;margin-top:10px}.tag{display:inline-block;background:#eef7f7;color:#1f6f8b;border-radius:999px;padding:5px 10px;font-size:12px;font-weight:700;margin:4px 5px 0 0}.list{display:grid;gap:12px}.list-item{padding:14px;border:1px solid var(--line);border-radius:18px;background:#fff}.rank{font-size:22px;color:var(--brand);font-weight:900;margin-right:8px}.authors{grid-template-columns:repeat(4,1fr)}.author{text-align:center}.avatar{width:74px;height:74px;border-radius:50%;background:linear-gradient(135deg,#ffe0d8,#dbf4ef);display:grid;place-items:center;margin:0 auto 10px;color:var(--brand);font-weight:900;font-size:24px}.faq details{background:#fff;border:1px solid var(--line);border-radius:16px;padding:14px 16px}.faq details+details{margin-top:10px}.faq summary{font-weight:900;cursor:pointer}.comments{grid-template-columns:repeat(2,1fr)}.comment{border-left:4px solid var(--brand);padding:14px 16px;background:#fff;border-radius:14px}.footer{margin-top:30px;background:#111827;color:#d1d5db}.footer .wrap{padding:30px 0}.footer-logo{color:#fff;font-weight:900;font-size:24px}.foot-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:20px}.domain-pill{display:inline-block;padding:6px 10px;border:1px solid rgba(255,255,255,.18);border-radius:999px;margin-top:10px}.breadcrumb{font-size:13px;color:#667085;margin:18px 0}.article-body{font-size:17px}.article-body h2{margin-top:28px}.figure-desc{font-size:13px;color:#667085;margin:8px 0 0}.share-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}@media(max-width:900px){.hero-grid,.news-grid,.two-grid,.authors,.comments,.foot-grid{grid-template-columns:1fr}.header-inner{align-items:flex-start;flex-direction:column}.headline{font-size:28px}.nav{gap:6px}.search-form{flex-direction:column}.btn{width:100%}}