:root { --bg:#F3F7FD; --card:#FFFFFF; --text:#0F1B2D; --muted:#5E6B80; --accent:#1570EF; --line:#E3EAF5; }
@media (prefers-color-scheme: dark) { :root { --bg:#0B1220; --card:#131C2E; --text:#EEF4FF; --muted:#8A9BB5; --accent:#6FB1FF; --line:#22304A; } }
* { box-sizing: border-box; }
body { margin:0; background:var(--bg); color:var(--text); font: 17px/1.6 -apple-system, BlinkMacSystemFont, "SF Pro Text", system-ui, sans-serif; }
main { max-width: 720px; margin: 0 auto; padding: 48px 20px 80px; }
.brand { font: 800 30px/1.1 ui-rounded, -apple-system, system-ui, sans-serif; letter-spacing:-0.5px; text-decoration:none; color:var(--text); }
.brand span { color: var(--accent); }
h1 { font: 800 40px/1.1 ui-rounded, -apple-system, system-ui, sans-serif; letter-spacing:-1px; margin: 32px 0 8px; }
h2 { font: 800 21px/1.3 ui-rounded, -apple-system, system-ui, sans-serif; margin: 36px 0 8px; }
.updated { color: var(--muted); margin: 0 0 24px; }
.card { background: var(--card); border:1px solid var(--line); border-radius: 22px; padding: 8px 24px 20px; }
a { color: var(--accent); }
li { margin: 4px 0; }
footer { color: var(--muted); font-size: 14px; margin-top: 32px; }