:root{color-scheme:light;font-family:system-ui,"Microsoft JhengHei",sans-serif;color:#213b32;background:#f5f7f4}body{margin:0;font-size:16px;line-height:1.85}main{max-width:760px;margin:48px auto;padding:40px;background:white;border:1px solid #dce5de;border-radius:18px}nav{display:flex;gap:24px;flex-wrap:wrap;padding-bottom:24px;border-bottom:1px solid #e4ebe5}a{color:#186849;text-underline-offset:4px}h1{font-size:32px;line-height:1.35}h2{font-size:21px;margin-top:28px}.eyebrow{font-size:14px;color:#63796d;letter-spacing:.05em;margin-top:32px}.action{display:inline-block;background:#215e45;color:white;padding:10px 22px;border-radius:8px;text-decoration:none}footer{border-top:1px solid #e4ebe5;margin-top:32px;padding-top:16px;font-size:14px;color:#63796d}@media(max-width:640px){main{margin:16px;padding:24px}h1{font-size:28px}nav{gap:16px}}