:root{font-family:system-ui,-apple-system,"Segoe UI",sans-serif;color:#242338;background:#f7f7fc;line-height:1.8}body{margin:0}main{max-width:720px;margin:40px auto;padding:32px;background:white;border:1px solid #e5e4ef;border-radius:20px}a{color:#6050ce}h1{font-size:30px;line-height:1.3}h2{font-size:19px;margin-top:30px}.muted,footer{color:#737184;font-size:14px}footer{margin-top:32px;border-top:1px solid #e5e4ef;padding-top:20px}@media(max-width:600px){main{margin:12px;padding:24px 20px}h1{font-size:26px}}