:root{font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:#172921;background:#fafbf8;font-synthesis:none;--muted:#6d776e;--line:#e2e7df;--accent:#236744}*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration:none}a:hover{color:var(--accent)}.site-header,main,footer{width:min(100% - 48px,1000px);margin:auto}.site-header{height:90px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line)}.brand{font-weight:750;letter-spacing:-.04em;font-size:21px}nav{display:flex;gap:26px;color:var(--muted);font-size:14px}main{min-height:65vh}.hero{padding:100px 0 80px;max-width:800px}.eyebrow{font-size:12px;letter-spacing:.15em;text-transform:uppercase;color:var(--accent);font-weight:650}h1{font-size:clamp(36px,6vw,66px);letter-spacing:-.055em;line-height:1.13;margin:22px 0}h2{font-size:27px;letter-spacing:-.025em;margin:44px 0 20px}h3{font-size:20px;line-height:1.45}p,li{line-height:1.95}.lead{font-size:18px;max-width:700px;color:#5b695f}.button{display:inline-block;margin-top:20px;border:1px solid var(--line);background:#fff;padding:11px 18px;border-radius:6px;font-size:14px}.section{border-top:1px solid var(--line);padding:34px 0 56px}.section-head{display:flex;justify-content:space-between;align-items:baseline}.section-head h2{margin:0 0 28px}.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.card{display:block;border:1px solid var(--line);border-radius:10px;background:#fff;padding:28px}.card h3{margin:8px 0 10px}.card p{font-size:14px;color:var(--muted);margin:0}.meta{font-size:12px;color:var(--muted)}article{max-width:760px;padding:60px 0 80px;margin:auto}article h1{font-size:clamp(30px,5vw,48px);line-height:1.3}article a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}article img{max-width:100%;height:auto;border-radius:8px;margin:20px 0}article h2{margin-top:42px}article code{background:#edf1e9;padding:2px 5px;border-radius:3px}article ul{padding-left:23px}.sources{border-top:1px solid var(--line);padding-top:20px;margin-top:40px;font-size:14px}.crumb{color:var(--muted);font-size:13px}.empty{padding:36px 0;color:var(--muted);font-size:14px}footer{border-top:1px solid var(--line);padding:26px 0;display:flex;justify-content:space-between;font-size:12px;color:var(--muted)}@media(max-width:640px){.site-header,main,footer{width:calc(100% - 32px)}.site-header{height:74px}.hero{padding:64px 0}.cards{grid-template-columns:1fr}.card{padding:23px}nav{gap:15px}.brand{font-size:18px}article{padding-top:38px}}