:root{--bg:#F4EEE4;--ink:#2A2420;--muted:#7A6E64;--accent:#C9604E;--card:#FFFDF9}
@media (prefers-color-scheme:dark){:root{--bg:#1C1916;--ink:#F1E9DE;--muted:#A99C90;--accent:#E8A08A;--card:#26221E}}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.7 -apple-system,BlinkMacSystemFont,"PingFang TC","Noto Sans TC",sans-serif}
main{max-width:720px;margin:0 auto;padding:48px 20px 80px}
header{display:flex;align-items:center;gap:14px;margin-bottom:32px}header img{width:56px;height:56px;border-radius:13px}
header a{color:inherit;text-decoration:none;font-weight:700;font-size:22px;letter-spacing:.01em}
h1{font-size:32px;line-height:1.25;margin:0 0 8px}h2{font-size:20px;margin:32px 0 6px}
p,li{color:var(--ink)}.muted{color:var(--muted);font-size:15px}a{color:var(--accent)}
.card{background:var(--card);border-radius:18px;padding:20px 22px;margin:20px 0}
nav{display:flex;gap:18px;margin-top:40px;font-size:15px}hr{border:0;border-top:1px solid rgba(127,110,100,.25);margin:40px 0}