:root{--bg:#fff;--fg:#151922;--sub:#5b6472;--line:#e4e7ec;--accent:#1d4ed8}
@media (prefers-color-scheme:dark){:root{--bg:#0f1218;--fg:#eef1f6;--sub:#a4adba;--line:#2a303a;--accent:#8ab4ff}}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.7 -apple-system,"Apple SD Gothic Neo","Malgun Gothic",sans-serif;word-break:keep-all}
main{max-width:720px;margin:0 auto;padding:56px 20px 72px}h1{font-size:30px;line-height:1.3;margin:0 0 8px}h2{font-size:19px;margin:32px 0 8px}p,li{color:var(--sub)}a{color:var(--accent)}
.info{margin:32px 0 0;border-top:1px solid var(--line)}.info div{display:grid;grid-template-columns:130px 1fr;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}.info dt{color:var(--sub)}.info dd{margin:0}
nav{margin-top:32px;display:flex;gap:18px;flex-wrap:wrap}