:root{color-scheme:light dark;--bg:#fff;--fg:#111113;--muted:#5d5d63;--card:#f4f4f5;--line:#e4e4e7;--accent:#8a6a00}
@media (prefers-color-scheme:dark){:root{--bg:#0b0b0c;--fg:#f2f2f3;--muted:#a1a1a8;--card:#17171a;--line:#27272b;--accent:#ffd60a}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:17px/1.65 -apple-system,BlinkMacSystemFont,"SF Pro Text","PingFang SC","PingFang TC","Hiragino Sans","Apple SD Gothic Neo","Noto Sans","Helvetica Neue",Arial,sans-serif;-webkit-text-size-adjust:100%}
main{max-width:680px;margin:0 auto;padding:48px 20px 40px}
a{color:var(--accent)}
.brand{display:flex;align-items:center;gap:12px;color:var(--fg);text-decoration:none;font-weight:600}
.brand img{width:36px;height:36px;border-radius:22.4%}
h1{font-size:30px;line-height:1.25;margin:28px 0 8px;text-wrap:balance}
:lang(zh) h1,:lang(ja) h1,:lang(ko) h1{text-wrap:wrap}
h2{font-size:19px;margin:28px 0 6px}
h2.group{font-size:22px;margin-top:36px;padding-top:24px;border-top:1px solid var(--line)}
h2.after{margin-top:36px;padding-top:24px;border-top:1px solid var(--line)}
h3{font-size:17px;margin:22px 0 4px}
p{margin:0 0 10px}
.muted{color:var(--muted);font-size:15px}
.langs{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0 4px;padding:0;list-style:none}
.langs a{display:inline-block;padding:5px 12px;border:1px solid var(--line);border-radius:999px;color:var(--fg);text-decoration:none;font-size:14px}
.langs a[aria-current=true]{background:var(--fg);color:var(--bg);border-color:var(--fg)}
section[data-lang]{border-top:1px solid var(--line);margin-top:28px;padding-top:4px}
.js section[data-lang]{border-top:0;margin-top:8px}
section ul{margin:0 0 10px;padding-left:1.25em}
section li{margin:0 0 4px}
footer{max-width:680px;margin:0 auto;padding:24px 20px 48px;border-top:1px solid var(--line);color:var(--muted);font-size:14px;display:flex;flex-wrap:wrap;gap:6px 18px}
footer a{color:var(--muted)}