:root { color-scheme: light dark; --fg: #1d2330; --muted: #5b6475; --bg: #ffffff; --panel: #f4f6fa; --line: #d8dde6; --accent: #0b6bcb; }
@media (prefers-color-scheme: dark) {
  :root { --fg: #e6e9ef; --muted: #a3abba; --bg: #14171d; --panel: #1d222b; --line: #333a46; --accent: #6cb4ff; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.7 system-ui, -apple-system, "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif; }
header, main, footer { max-width: 960px; margin: 0 auto; padding: 0 16px; }
header { padding-top: 32px; border-bottom: 1px solid var(--line); }
h1 { font-size: 1.8rem; margin: 0 0 8px; }
h2 { margin-top: 40px; padding-bottom: 4px; border-bottom: 1px solid var(--line); }
h3 { margin-top: 24px; }
nav { display: flex; flex-wrap: wrap; gap: 4px 16px; padding: 12px 0 16px; }
a { color: var(--accent); }
code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 0.9em; overflow-wrap: anywhere; }
pre { background: var(--panel); border: 1px solid var(--line); border-radius: 6px; padding: 12px; overflow-x: auto; }
pre code { overflow-wrap: normal; }
table { width: 100%; border-collapse: collapse; margin: 12px 0; display: block; overflow-x: auto; }
th, td { border: 1px solid var(--line); padding: 6px 10px; text-align: left; vertical-align: top; }
thead th { background: var(--panel); }
footer { color: var(--muted); padding-top: 24px; padding-bottom: 32px; }