:root{--bg:#fbfaf7;--fg:#1f1d1a;--muted:#6b665e;--line:#e4e0d8;--accent:#3d6b5a}
@media (prefers-color-scheme:dark){:root{--bg:#161514;--fg:#ece8e1;--muted:#a19b91;--line:#2c2a27;--accent:#8cc2ad}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.75 -apple-system,BlinkMacSystemFont,"PingFang TC","Noto Sans TC",sans-serif}
main{max-width:680px;margin:0 auto;padding:56px 16px 80px}
h1{font-size:1.6rem;margin:0 0 4px}
h2{font-size:1.05rem;margin:2rem 0 .4rem}
p,li{margin:.4rem 0}
.meta{color:var(--muted);font-size:.9rem;margin-bottom:2rem}
a{color:var(--accent)}
hr{border:0;border-top:1px solid var(--line);margin:2.5rem 0}
footer{color:var(--muted);font-size:.85rem;margin-top:3rem}