:root { color-scheme: light dark; --fg: #1d1d1f; --muted: #6e6e73; --bg: #ffffff; --line: #d2d2d7; --link: #0066cc; }
@media (prefers-color-scheme: dark) { :root { --fg: #f5f5f7; --muted: #a1a1a6; --bg: #000000; --line: #424245; --link: #2997ff; } }
body { margin: 0; background: var(--bg); color: var(--fg); font: 17px/1.6 -apple-system, BlinkMacSystemFont, "PingFang HK", "Noto Sans TC", "Segoe UI", sans-serif; }
main { max-width: 760px; margin: 0 auto; padding: 24px 16px 64px; }
h1 { font-size: 1.8em; margin: 0.6em 0 0.2em; }
h2 { font-size: 1.2em; margin-top: 1.8em; }
h3 { font-size: 1em; margin-bottom: 0.2em; }
.meta, .lang-switch { color: var(--muted); font-size: 0.9em; }
a { color: var(--link); }
table { border-collapse: collapse; width: 100%; }
th, td { border: 1px solid var(--line); padding: 8px; text-align: left; vertical-align: top; }
hr { border: 0; border-top: 1px solid var(--line); margin: 48px 0; }