:root{--bg:#FBF7F0;--fg:#2B2622;--muted:#6E655C;--accent:#E0533D;--line:#E8E0D4}
@media (prefers-color-scheme:dark){:root{--bg:#1C1917;--fg:#F3EEE7;--muted:#B5AA9D;--accent:#F0745F;--line:#3A332D}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.75 -apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans TC","PingFang TC","Microsoft JhengHei",sans-serif}
main{max-width:760px;margin:0 auto;padding:32px 16px 64px}
h1{font-size:28px;line-height:1.3;margin:8px 0 4px}
h2{font-size:20px;margin:32px 0 8px;padding-top:16px;border-top:1px solid var(--line)}
p,li{color:var(--fg)}
.meta{color:var(--muted);font-size:14px}
a{color:var(--accent)}
table{border-collapse:collapse;width:100%;font-size:15px}
th,td{border:1px solid var(--line);padding:8px;text-align:left;vertical-align:top}
nav{display:flex;gap:16px;flex-wrap:wrap;font-size:15px}
.brand{font-weight:700;font-size:18px}