body{margin:0;background:#f5f7fb;color:#172b4d;font:14px system-ui}main{max-width:360px;margin:12vh auto;padding:32px;background:white;border:1px solid #e0e7f2;border-radius:12px}h1{color:#3165ef;margin:0 0 28px}h2{font-size:20px}.note{color:#71819b;font-size:12px}a{color:#3165ef}