:root{font-family:Inter,-apple-system,"Segoe UI",sans-serif;color:#172d2a;background:#f3f5f1}body{margin:0}main{max-width:720px;margin:0 auto;padding:40px 16px}h1{font-size:clamp(28px,5vw,40px);line-height:1.15;letter-spacing:-1px}h2{margin-top:32px}p,li{line-height:1.65;color:#2f423c}a{color:#15564a}.card{background:#fff;border:1px solid #cdd8ca;border-radius:10px;padding:20px;margin:20px 0}.btn{display:inline-block;background:#15332e;color:#fff;padding:12px 18px;border-radius:7px;text-decoration:none}.btn[aria-disabled=true]{background:#8a9a94;pointer-events:none}.note{font-size:13px;color:#52665f}