*{box-sizing:border-box}body{margin:0;min-height:100vh;display:grid;place-items:center;background:#eef2f6;color:#122d44;font:16px system-ui,'Microsoft YaHei',sans-serif}main{width:min(440px,90vw);background:#fff;border-top:5px solid #153951;border-radius:12px;padding:42px;box-shadow:0 18px 60px #122d4412}h1{font-size:28px;margin:0 0 12px}p{color:#617284}label{display:grid;gap:10px;margin:30px 0 20px}input{width:100%;padding:12px;border:1px solid #c8d3dc;border-radius:7px;font:inherit}button{width:100%;padding:12px;background:#173e5b;color:white;border:0;border-radius:7px;font:inherit;cursor:pointer}#error{color:#b53535;font-size:14px}