body{margin:0;font-family:system-ui,-apple-system,"Noto Sans TC",sans-serif;background:#f6f9f8;color:#203a39;line-height:1.85}header,footer{background:#123d43;color:white;padding:20px max(5vw,20px)}a{color:#087b78}header a,footer a{color:#fff}main{max-width:920px;margin:40px auto;padding:0 22px}.hero{background:linear-gradient(120deg,#e2f3ee,#f9f5eb);padding:42px;border-radius:22px}h1{line-height:1.35;font-size:clamp(1.9rem,4vw,2.8rem)}section{background:white;margin:22px 0;padding:26px 32px;border-radius:18px;box-shadow:0 4px 18px #153e3b0a}p{max-width:74ch}nav a{margin-right:18px}a:focus-visible{outline:3px solid #eea64e;outline-offset:3px}@media(max-width:600px){.hero{padding:24px}section{padding:20px}}