:root { color-scheme: light; font-family: -apple-system,BlinkMacSystemFont,"Noto Sans TC",sans-serif; background:#f8f5ef; color:#343d37; }
* { box-sizing:border-box; }
body { margin:0; }
main { max-width:680px; margin:auto; padding:72px 28px 48px; }
.eyebrow { font-size:12px; letter-spacing:.22em; color:#647463; }
h1 { font-size:clamp(34px,7vw,48px); line-height:1.45; font-weight:550; letter-spacing:-.03em; margin:26px 0; }
.intro { font-size:18px; color:#677167; line-height:1.9; margin-bottom:56px; }
section { padding:24px 0; border-top:1px solid #dce0d5; }
h2 { font-size:17px; margin:0 0 14px; }
p { font-size:15px; line-height:1.95; }
code { color:#456850; background:#eaf0e6; padding:2px 5px; border-radius:4px; overflow-wrap:anywhere; }
footer { border-top:1px solid #dce0d5; padding-top:28px; font-size:12px; color:#727a70; line-height:1.9; }