:root { --brand: #1e88e5; --fg: #1f2933; --muted: #616e7c; --bg: #ffffff; --soft: #f4f6f8; --line: #e4e7eb; }
@media (prefers-color-scheme: dark) { :root { --fg: #e4e7eb; --muted: #9aa5b1; --bg: #111418; --soft: #1b2027; --line: #2a313a; } }
* { box-sizing: border-box; }
body { margin: 0; font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; color: var(--fg); background: var(--bg); }
header { background: var(--brand); color: #fff; padding: 18px 16px; }
header a { color: #fff; text-decoration: none; font-weight: 800; font-size: 22px; letter-spacing: .3px; }
nav { max-width: 760px; margin: 0 auto; display: flex; gap: 18px; align-items: baseline; flex-wrap: wrap; }
nav .links a { font-size: 14px; font-weight: 600; opacity: .9; margin-right: 14px; }
main { max-width: 760px; margin: 0 auto; padding: 28px 16px 60px; }
h1 { font-size: 30px; line-height: 1.2; margin: 0 0 6px; }
h2 { font-size: 20px; margin: 30px 0 8px; }
.updated { color: var(--muted); font-size: 14px; margin-bottom: 24px; }
a { color: var(--brand); }
ul { padding-left: 22px; }
.card { background: var(--soft); border: 1px solid var(--line); border-radius: 14px; padding: 16px 18px; margin: 16px 0; }
footer { border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; text-align: center; padding: 20px 16px 36px; }