:root{color-scheme:light dark;--bg:#eeece6;--ink:#1c2b30;--muted:#58636a;--card:#f4f3ee}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.8 system-ui,-apple-system,sans-serif}main{max-width:800px;margin:auto;padding:48px 24px 80px}nav{display:flex;flex-wrap:wrap;gap:18px;font-size:14px}a{color:inherit;text-underline-offset:4px}header{margin:44px 0}header img{width:72px;border-radius:14px}h1{font-size:clamp(30px,6vw,44px);line-height:1.3;letter-spacing:-1px}h2{font-size:23px;font-weight:650;line-height:1.5;margin-top:32px}h3{font-size:18px}p,li{overflow-wrap:anywhere}.muted,footer{color:var(--muted)}section{margin:30px 0;padding:28px;background:var(--card);border-radius:0;border-top:2px solid var(--ink);border-bottom:1px solid #8884}section>:first-child{margin-top:0}footer{border-top:1px solid #8884;padding-top:24px;font-size:14px}details{margin-top:32px}summary{cursor:pointer;font-weight:600}@media(prefers-color-scheme:dark){:root{--bg:#17232b;--ink:#f6f3ec;--muted:#adbcc5;--card:#22323d}}@media(max-width:480px){main{padding:24px 18px 48px}section{padding:22px}}