:root{--bg:#fff;--fg:#1f2328;--muted:#59636e;--line:#e4e6ea;--card:#f6f7f9;--a:#5b5bd6}
@media (prefers-color-scheme:dark){:root{--bg:#16161a;--fg:#ececf1;--muted:#a1a1aa;--line:#2c2c33;--card:#1e1e24;--a:#8b8bf0}}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.6 -apple-system,system-ui,"Segoe UI",sans-serif}
main{max-width:720px;margin:0 auto;padding:40px 16px 64px}a{color:var(--a)}
header{display:flex;align-items:center;gap:12px}header img{width:44px;height:44px;border-radius:10px}header a{color:var(--fg);text-decoration:none;font-weight:600}
h1{font-size:34px;line-height:1.2;margin:28px 0 12px;letter-spacing:-.02em}h2{margin:40px 0 12px;font-size:22px}
.lead{font-size:18px;color:var(--muted)}
ol,ul{padding-left:22px}li{margin:6px 0}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px 20px;margin:20px 0}
.card p{margin:0}.card p+p{margin-top:8px}
figure{margin:24px 0}figure img{width:100%;border:1px solid var(--line);border-radius:10px;display:block}figcaption{font-size:14px;color:var(--muted);margin-top:6px}
table{border-collapse:collapse;width:100%;font-size:15px}th,td{text-align:left;border-bottom:1px solid var(--line);padding:8px 6px;vertical-align:top}
.small{font-size:14px;color:var(--muted)}
footer{margin-top:56px;padding-top:20px;border-top:1px solid var(--line);font-size:14px;color:var(--muted)}
footer a{margin-right:16px}