*{box-sizing:border-box}body{margin:0;font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;color:#18243a;background:#f4f7fb}.auth-shell{min-height:100vh;display:grid;grid-template-columns:1.05fr .95fr}.auth-brand{background:linear-gradient(145deg,#10213c,#1b4b91);color:white;padding:10vh 9vw;display:flex;flex-direction:column;justify-content:center;position:relative;overflow:hidden}.auth-brand:before,.auth-brand:after{content:"";position:absolute;border:60px solid #ffffff08;border-radius:50%}.auth-brand:before{width:330px;height:330px;right:-170px;top:-120px}.auth-brand:after{width:180px;height:180px;left:-100px;bottom:-100px}.brand-mark{width:52px;height:52px;border-radius:15px;background:#3679f4;display:grid;place-items:center;font-weight:bold;font-size:21px;box-shadow:0 12px 30px #07152b88;margin-bottom:26px}.brand-tag,.kicker{font-size:10px;letter-spacing:3px;color:#8eb7ff;font-weight:bold}.auth-brand h1{font-size:42px;line-height:1.35;margin:14px 0}.auth-brand>p{color:#bdd0ed;line-height:1.8}.brand-points{display:flex;gap:22px;margin-top:25px;color:#d6e3f6;font-size:13px}.auth-panel{display:grid;place-items:center;padding:30px}.login-card{width:min(400px,100%);background:white;padding:38px;border-radius:20px;box-shadow:0 22px 65px #1a355018}.login-card h2{font-size:25px;margin:9px 0}.subtitle{color:#8993a4;margin:0 0 26px}.auth-error{background:#fff0f1;color:#bc3541;border-radius:9px;padding:12px 14px;margin-bottom:18px;font-size:13px}.login-card label{display:flex;flex-direction:column;gap:8px;margin-bottom:17px}.login-card label span{font-size:12px;font-weight:bold;color:#566278}.login-card input{height:46px;border:1px solid #dfe5ed;border-radius:10px;padding:0 13px;font-family:inherit;font-size:14px;outline:none}.login-card input:focus{border-color:#6997f4;box-shadow:0 0 0 3px #2869f012}.login-card button{width:100%;height:47px;border:0;border-radius:10px;background:#2869f0;color:white;font-family:inherit;font-weight:bold;font-size:14px;cursor:pointer;display:flex;justify-content:center;align-items:center;gap:10px;box-shadow:0 8px 20px #2869f036}.login-card button:hover{background:#1855ce}.login-note{display:block;text-align:center;color:#9aa3b2;margin-top:20px}@media(max-width:760px){.auth-shell{grid-template-columns:1fr}.auth-brand{min-height:34vh;padding:42px 28px}.auth-brand h1{font-size:28px}.auth-brand>p,.brand-points{display:none}.brand-mark{margin-bottom:15px}.auth-panel{padding:24px;margin-top:-24px;position:relative}.login-card{padding:28px}}