:root{font:16px/1.6 system-ui,sans-serif;color:#203225;background:#eef4ef}body{margin:0}header{background:#0d4d2b;color:#fff;padding:54px 24px}.hero{display:flex;align-items:center;gap:24px;max-width:900px;margin:auto}.hero img{width:128px;height:128px}.hero h1{margin:0;font-size:38px}.hero p{margin:8px 0 0;color:#dcecdf}main{box-sizing:border-box;max-width:900px;margin:28px auto;padding:32px;background:#fff;border:1px solid #cbd9cd;border-radius:12px}h2{margin-top:28px;color:#285d38}a{color:#176033;font-weight:700}.notice{padding:14px;border-left:4px solid #d5a719;background:#fff8dc}.updated{color:#66756a}footer{max-width:900px;margin:24px auto 50px;padding:0 24px;color:#66756a}@media(max-width:640px){.hero{align-items:flex-start}.hero img{width:82px;height:82px}.hero h1{font-size:27px}main{margin:0;border:0;border-radius:0;padding:24px}}