:root { color-scheme: light dark; --bg:#f6f7fb; --card:#fff; --ink:#1c1c28; --muted:#6b6b80; --rule:#e6e6ef; --accent:#5b5bd6; }
@media (prefers-color-scheme: dark) { :root { --bg:#111118; --card:#1a1a24; --ink:#ececf2; --muted:#9a9aae; --rule:#2a2a38; --accent:#8f8ff0; } }
* { box-sizing: border-box; }
body { margin:0; background:var(--bg); color:var(--ink); font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif; }
main { max-width:720px; margin:0 auto; padding:40px 20px 80px; }
.card { background:var(--card); border-radius:18px; padding:32px 28px; }
h1 { font-size:26px; line-height:1.25; margin:0 0 4px; }
h2 { font-size:18px; margin:32px 0 8px; }
h3 { font-size:15px; margin:20px 0 6px; }
.updated { color:var(--muted); font-size:14px; margin:0 0 24px; }
p, li { color:var(--ink); }
ul { padding-left:20px; }
li { margin:6px 0; }
a { color:var(--accent); }
table { width:100%; border-collapse:collapse; margin:12px 0; font-size:15px; display:block; overflow-x:auto; }
th, td { text-align:left; padding:8px 10px; border-bottom:1px solid var(--rule); vertical-align:top; }
th { font-weight:600; }
.muted { color:var(--muted); font-size:14px; }
.nav { margin:0 0 20px; font-size:14px; }
.nav a { margin-right:14px; }
footer { margin-top:28px; padding-top:16px; border-top:1px solid var(--rule); color:var(--muted); font-size:13px; }