:root { --ink:#14181f; --muted:#5b6472; --green:#22c58b; --line:#e6e9ee; --bg:#ffffff; }
* { box-sizing:border-box; }
body { margin:0; background:var(--bg); color:var(--ink);
  font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,Helvetica,Arial,sans-serif; }
.wrap { max-width:760px; margin:0 auto; padding:40px 22px 80px; }
header { display:flex; align-items:center; gap:12px; padding-bottom:22px; border-bottom:1px solid var(--line); margin-bottom:32px; }
.logo { width:38px; height:38px; border-radius:9px; background:var(--green); color:#fff; font-weight:700;
  display:flex; align-items:center; justify-content:center; font-size:20px; }
.brand { font-weight:700; font-size:19px; letter-spacing:-.01em; }
h1 { font-size:30px; line-height:1.2; letter-spacing:-.02em; margin:0 0 6px; }
.updated { color:var(--muted); font-size:14px; margin:0 0 34px; }
h2 { font-size:19px; margin:34px 0 10px; letter-spacing:-.01em; }
p, li { color:#2a3341; }
ul { padding-left:20px; }
li { margin:6px 0; }
a { color:#0f9b6c; }
.box { background:#f6f8fa; border:1px solid var(--line); border-radius:10px; padding:16px 18px; margin:22px 0; }
footer { margin-top:48px; padding-top:22px; border-top:1px solid var(--line); color:var(--muted); font-size:14px; }
@media (prefers-color-scheme: dark) {
  :root { --ink:#e9edf3; --muted:#9aa4b2; --line:#232a34; --bg:#0f1319; }
  body { background:var(--bg); color:var(--ink); }
  p, li { color:#c7cedb; }
  .box { background:#151b23; }
  a { color:#4bd3a0; }
}