*{box-sizing:border-box}
:root{--bg:#f0f5ff;--card:#fff;--ink:#0f172a;--muted:#64748b;--line:#e5e5ea;--brand:#6366f1}
@media(prefers-color-scheme:dark){:root{--bg:#0a0a1e;--card:#12122c;--ink:#e8ecf8;--muted:#9aa4bf;--line:#26264a}}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
.wrap{max-width:760px;margin:0 auto;padding:32px 20px 72px}
header{display:flex;align-items:center;gap:12px;margin-bottom:28px}
.logo{width:38px;height:38px;border-radius:11px;background:linear-gradient(135deg,#6366f1,#8b5cf6);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:19px}
.brand{font-weight:800;letter-spacing:.5px}
nav{margin-left:auto;display:flex;gap:16px;font-size:14px}
nav a{color:var(--muted);text-decoration:none}
nav a:hover{color:var(--brand)}
main{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:32px 30px}
h1{font-size:30px;font-weight:800;margin:0 0 6px}
.updated{color:var(--muted);font-size:14px;margin:0 0 26px}
h2{font-size:19px;font-weight:750;margin:30px 0 10px;padding-top:18px;border-top:1px solid var(--line)}
h3{font-size:16px;font-weight:700;margin:20px 0 8px}
p,li{color:var(--ink)}
ul{padding-left:22px}
li{margin:6px 0}
code{background:rgba(127,127,160,.16);padding:2px 6px;border-radius:5px;font-size:.9em;word-break:break-all}
a{color:var(--brand)}
footer{margin-top:26px;text-align:center;color:var(--muted);font-size:13px}