html,body{overflow-x:hidden}
:root {--brand:#0d6b72;--accent:#b84a39;--bg:#f5fbfa;--ink:#18212c;--muted:#5c6a78;--line:#dbe2e8;--panel:#fff;--radius:8px;}
*{box-sizing:border-box}body{margin:0;font-family:Arial, Microsoft YaHei, sans-serif;color:var(--ink);background:var(--bg);line-height:1.72}a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%;height:auto}.wrap{width:min(1120px,calc(100% - 32px));margin:auto}.site-header{background:#fff;border-bottom:1px solid var(--line)}.topbar{min-height:74px;display:flex;align-items:center;justify-content:space-between;gap:18px}.brand{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--ink)}.brand img{width:40px;height:40px;border-radius:var(--radius)}.nav{display:flex;flex-wrap:wrap;gap:14px;font-size:15px}.hero{padding:38px 0;border-bottom:1px solid var(--line);background:linear-gradient(180deg,#fff,var(--bg))}.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:center}h1{font-size:clamp(30px,5vw,46px);line-height:1.16;margin:0 0 12px;letter-spacing:0}.lead{font-size:18px;color:var(--muted);margin:0}.hero-images{display:grid;grid-template-columns:1fr 1fr;gap:10px}.hero-images img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius);border:1px solid var(--line)}.section{padding:34px 0}.section-title{font-size:24px;margin:0 0 18px}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.card,.article-body,.side-box{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius)}.card{padding:16px}.card h2,.card h3{margin:0 0 8px;font-size:19px}.card p{margin:0 0 12px;color:var(--muted)}.thumb{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius);margin-bottom:10px;background:#eef2f5}.layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:22px;align-items:start}.article-body{padding:28px}.article-body h1{font-size:34px}.article-body h2{font-size:22px;margin-top:28px}.breadcrumb,.meta{font-size:14px;color:var(--muted)}.tag-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}.tag-list a{padding:4px 10px;border-radius:99px;background:#eef5f4}.side-box{padding:16px;margin-bottom:16px}.side-box ul{margin:0;padding-left:18px}.pager{display:flex;justify-content:space-between;gap:14px;margin-top:24px;padding-top:18px;border-top:1px solid var(--line)}.risk{border-left:4px solid var(--accent);padding:12px 14px;background:#fff8f6;margin-top:22px}.video-box{position:relative;aspect-ratio:16/9;background:#1f2933;color:#fff;border-radius:var(--radius);display:grid;place-items:center;padding:20px}.site-footer{border-top:1px solid var(--line);padding:26px 0;margin-top:30px;background:#fff;color:var(--muted)}.site-footer .wrap{display:flex;gap:14px;flex-wrap:wrap}@media(max-width:820px){.topbar,.hero-grid,.layout{display:grid;grid-template-columns:1fr}.grid,.hero-images{grid-template-columns:1fr}.nav{gap:10px}.article-body{padding:20px}.pager{flex-direction:column}}