*{box-sizing:border-box}body{margin:0;color:#263c58;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif}.login-layout{min-height:100vh;display:grid;grid-template-columns:1fr 1.15fr}.intro{padding:54px 12%;display:flex;flex-direction:column;justify-content:space-between;background:linear-gradient(145deg,#edf5ff,#dceaff);position:relative;overflow:hidden}.intro:after{content:"";position:absolute;width:520px;height:520px;border:80px solid #ffffff45;border-radius:50%;right:-300px;bottom:-160px;pointer-events:none}.brand{font-size:19px;font-weight:600;color:#2e5e9d;text-decoration:none;display:flex;align-items:center;gap:12px}.brand span{font-size:28px;color:#2879e8}.eyebrow{font-size:13px;letter-spacing:3px;color:#5f86b4}.intro h1{font-weight:600;font-size:40px;line-height:1.6;letter-spacing:1px}.intro p{color:#7090b6;font-size:15px;line-height:2}.intro small{color:#8fa8c5;font-size:11px}.form-side{padding:55px 30px;display:flex;align-items:center;justify-content:center;background:#fbfcff}.login-card{width:100%;max-width:370px}.lock{display:flex;width:50px;height:50px;border-radius:14px;background:#eaf2ff;color:#2879e8;align-items:center;justify-content:center;font-size:28px}.login-card h2{font-size:27px;margin:25px 0 10px}.login-card>p{color:#9ba7b8;font-size:13px;margin-bottom:35px}label{display:block;margin:22px 0 10px;font-size:13px}input{width:100%;padding:15px;border:1px solid #dfe6f0;border-radius:9px;font:inherit;font-size:14px;background:white;color:#31465e;outline:none}input:focus{border-color:#2879e8;box-shadow:0 0 0 3px #2879e815}button{width:100%;padding:16px;border:0;border-radius:9px;background:#2879e8;color:white;font-size:15px;cursor:pointer;margin-top:13px;display:flex;justify-content:space-between}button:disabled{opacity:.6;cursor:wait}.return{display:block;margin-top:25px;text-align:center;color:#7a90aa;text-decoration:none;font-size:12px}#login-error{color:#c34d4d;line-height:1.8;font-size:12px;min-height:24px;margin-top:14px}@media(max-width:700px){.login-layout{display:block}.intro{padding:28px 25px}.intro>div{padding:22px 0}.intro h1{font-size:25px;line-height:1.45;margin:12px 0}.intro p{font-size:12px;margin:6px 0}.intro small{display:none}.brand{font-size:16px}.form-side{padding:36px 25px}.lock{display:none}.login-card h2{font-size:23px;margin-top:0}.login-card>p{margin-bottom:22px}.intro:after{width:300px;height:300px;right:-220px}}