:root{font-family:"Microsoft YaHei",system-ui,sans-serif;color:#18344b;background:#f2f6f8}*{box-sizing:border-box}body{margin:0;min-height:100vh;display:grid;place-items:center;padding:24px}main{width:min(100%,460px);background:#fff;border:1px solid #dce5ec;border-radius:14px;padding:38px}.brand{font-size:30px;font-weight:800;color:#067f7f;display:flex;gap:14px;align-items:center}.brand span{font-size:14px;font-weight:500;color:#607789}h1{font-size:25px;margin:32px 0 12px}p{font-size:14px;line-height:1.8;color:#607789}label{display:block;font-size:14px;margin:20px 0}input{display:block;width:100%;margin-top:8px;padding:12px;border:1px solid #cbd8e2;border-radius:6px;font:inherit}input:focus{outline:2px solid #29a5a0;outline-offset:2px}button{border:0;border-radius:6px;background:#087f7b;color:white;font:inherit;padding:13px 20px;cursor:pointer;width:100%;margin:8px 0 20px}a{font-size:14px;color:#087f7b}.error{color:#9c3d21;background:#fff0e9;padding:10px}.help{font-size:12px}footer{margin-top:36px;font-size:11px;line-height:1.8;color:#8092a0}