:root{--bg:#f4f5f7;--card:#fff;--ink:#202124;--muted:#667085;--brand:#b5122b;--line:#e4e7ec;--soft:#fff1f3}*{box-sizing:border-box}body{background:var(--bg);color:var(--ink);margin:0;font-family:Inter,Arial,Helvetica,sans-serif;line-height:1.65}main{border:1px solid var(--line);background:var(--card);border-radius:22px;width:min(900px,100% - 28px);margin:28px auto;overflow:hidden;box-shadow:0 18px 55px #10182814}header{background:linear-gradient(135deg, var(--brand), #7f0b1d);color:#fff;padding:32px clamp(20px,5vw,48px)}h1{margin:0;font-size:clamp(28px,5vw,44px);line-height:1.1}header p{color:#ffe1e6;margin:10px 0 0;font-weight:700}article{padding:30px clamp(20px,5vw,48px) 44px}h2{color:var(--brand);margin:30px 0 8px;font-size:21px}p,li{font-size:15.5px}ul{padding-left:22px}.notice{background:var(--soft);color:#5f0b19;border:1px solid #ffc7d0;border-radius:14px;padding:16px 18px;font-weight:650}.meta{grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:10px;margin:20px 0;display:grid}.meta div{border:1px solid var(--line);border-radius:12px;padding:13px}.meta b{color:var(--muted);text-transform:uppercase;font-size:12px;display:block}code{font-size:13px}a{color:var(--brand);font-weight:700}hr{border:0;border-top:1px solid var(--line);margin:42px 0}footer{border-top:1px solid var(--line);color:var(--muted);text-align:center;padding:18px 24px;font-size:13px}@media (width<=560px){main{border:0;border-radius:0;width:100%;margin:0}}@media (prefers-color-scheme:dark){:root{--bg:#111318;--card:#1b1e24;--ink:#f3f4f6;--muted:#aab0bb;--line:#343945;--soft:#35151c}.notice{color:#ffd9df;border-color:#6f2635}}