:root { --bg:#fbf9fa; --ink:#1f1a21; --muted:#5f5564; --line:#e7dfe3; --accent:#c8324f; }
@media (prefers-color-scheme: dark) { :root { --bg:#141115; --ink:#f2ecef; --muted:#b3a8b7; --line:#352e38; --accent:#ff6f8a; } }
* { box-sizing: border-box }
body { margin:0; background:var(--bg); color:var(--ink); font:16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
main { max-width:720px; margin:0 auto; padding:40px 20px 80px }
h1 { font-size:30px; line-height:1.2; margin:0 0 6px } h2 { font-size:19px; margin:36px 0 8px } h3 { font-size:16px; margin:22px 0 4px }
p, li { color:var(--ink) } .meta { color:var(--muted); font-size:14px; margin:0 0 28px }
a { color:var(--accent) } ul { padding-left:20px } li { margin:4px 0 }
.box { border:1px solid var(--line); border-radius:14px; padding:14px 16px; margin:18px 0 }
table { border-collapse:collapse; width:100%; font-size:14.5px } td, th { text-align:left; vertical-align:top; border-top:1px solid var(--line); padding:8px 8px 8px 0 }
th { color:var(--muted); font-weight:600 }