:root{--bg:#F7F8F4;--ink:#141B18;--muted:#5F6964;--line:#DADFD8;--accent:#B8730E;--del:#1F8A53}
@media (prefers-color-scheme:dark){:root{--bg:#121614;--ink:#EDF1EE;--muted:#97A29C;--line:#28302C;--accent:#EDB04B;--del:#4CC985}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 -apple-system,"Segoe UI",system-ui,sans-serif;padding:0 18px}
main{max-width:680px;margin:0 auto;padding:40px 0 64px}
header{display:flex;justify-content:space-between;align-items:baseline;gap:12px;flex-wrap:wrap;border-bottom:1px solid var(--line);padding-bottom:14px;margin-bottom:28px}
.brand{font-weight:800;font-size:26px;letter-spacing:-.02em;color:var(--ink);text-decoration:none}
.brand span{color:var(--accent)}
nav{display:flex;gap:16px;font-size:14px}
nav a{color:var(--muted)}
h1{font-size:32px;line-height:1.15;letter-spacing:-.02em;margin:0 0 6px}
h2{font-size:20px;margin:32px 0 8px}
p,li{color:var(--ink)}
.muted{color:var(--muted);font-size:14px}
a{color:var(--del)}
footer{margin-top:48px;border-top:1px solid var(--line);padding-top:14px;font-size:13px;color:var(--muted)}