:root{--bg:#fff;--surface:#F7F6F3;--ink:#2F2E2A;--muted:#6B6A64;--line:#E6E4DE;--hl:#FFF0A6;color-scheme:light dark}
@media(prefers-color-scheme:dark){:root{--bg:#10141C;--surface:#171C26;--ink:#ECEAE4;--muted:#A3A7B0;--line:#2A3140;--hl:#4A4420}}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI",system-ui,sans-serif}
main{max-width:720px;margin:0 auto;padding:40px 20px 80px}
h1,h2{font-family:"New York",ui-serif,Georgia,serif;font-weight:600;letter-spacing:-.3px}h1{font-size:44px;margin:.2em 0}h2{font-size:24px;margin-top:2em}
a{color:var(--ink)}nav{display:flex;gap:18px;flex-wrap:wrap;padding-bottom:18px;border-bottom:1px solid var(--line)}nav a{text-decoration:none;color:var(--muted)}
.card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:18px 20px;margin:18px 0}
mark{background:var(--hl);color:inherit;padding:0 3px}.muted{color:var(--muted)}.lang{margin-top:3em;padding-top:1.5em;border-top:1px solid var(--line)}