:root{--bg:#fff;--panel:#f6f7f6;--line:#e2e5e2;--ink:#14201c;--muted:#5d6b66;--brand:#2f6f5e}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#0e1412;--panel:#151d1a;--line:#25302c;--ink:#e8efec;--muted:#95a5a0;--brand:#5aa88f}}
:root[data-theme="dark"]{--bg:#0e1412;--panel:#151d1a;--line:#25302c;--ink:#e8efec;--muted:#95a5a0;--brand:#5aa88f}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.7 ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}
.wrap{max-width:760px;margin:0 auto;padding:0 16px}
a{color:var(--brand);text-underline-offset:3px}
header{border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;height:62px}
.logo{display:flex;align-items:center;gap:9px;font-weight:650;letter-spacing:-.02em;text-decoration:none;color:var(--ink)}
.mark{width:26px;height:26px;border-radius:7px;background:var(--brand);display:grid;place-items:center;flex:0 0 auto}
h1{font-size:clamp(26px,4.5vw,36px);letter-spacing:-.02em;margin:48px 0 6px;line-height:1.2}
h2{font-size:18px;letter-spacing:-.01em;margin:36px 0 8px}
p,li{color:var(--muted)}
p{margin:12px 0}
ul{padding-left:20px;display:grid;gap:8px}
.upd{color:var(--muted);font-size:14px;margin:0 0 8px}
.box{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px 20px;margin:26px 0}
.box p{margin:0}
footer{border-top:1px solid var(--line);margin-top:56px;padding:32px 0;color:var(--muted);font-size:14px}
footer nav{display:flex;gap:18px;margin-top:8px}
footer a{color:var(--muted);text-decoration:none}