:root{font-family:"Microsoft YaHei","PingFang SC",sans-serif;color:#15233b;background:#eef3fa}*{box-sizing:border-box}body{margin:0}.authBody{min-height:100vh;background:linear-gradient(135deg,#eef4fb 0,#f9fbfe 55%,#e5eefb 100%)}.loginShell{min-height:100vh;display:grid;grid-template-columns:minmax(360px,46%) 1fr}.brandPanel{position:relative;overflow:hidden;padding:clamp(48px,8vw,110px);display:flex;flex-direction:column;justify-content:center;color:white;background:linear-gradient(145deg,#102b55,#0868c9)}.brandPanel:after{content:"";position:absolute;width:420px;height:420px;border:90px solid #ffffff10;border-radius:50%;right:-210px;bottom:-170px}.brandPanel img{width:72px;height:72px;object-fit:contain;border-radius:18px;background:#ffffff18;padding:9px}.brandPanel>span{margin-top:24px;color:#bfdbfe;font-size:14px;letter-spacing:2px}.brandPanel h1{font-size:clamp(34px,4vw,56px);margin:14px 0 12px}.brandPanel p{max-width:520px;margin:0;color:#dbeafe;font-size:18px;line-height:1.8}.brandNote{margin-top:48px;font-size:13px;color:#a9cff7}.loginPanel{display:grid;place-items:center;padding:36px}.loginCard{width:min(430px,100%);padding:42px;background:white;border:1px solid #dbe5f1;border-radius:22px;box-shadow:0 26px 70px #244a7d1b}.loginCard h2{font-size:28px;margin:0 0 8px}.loginCard>p{margin:0 0 30px;color:#718096}.loginCard label{display:block;margin:18px 0;color:#475569;font-size:14px}.loginCard input{display:block;width:100%;margin-top:8px;padding:14px 15px;border:1px solid #cad6e5;border-radius:10px;font-size:16px;outline:none}.loginCard input:focus{border-color:#1769d2;box-shadow:0 0 0 3px #1769d21a}.loginCard button{width:100%;margin-top:8px;padding:14px;border:0;border-radius:10px;background:#1769d2;color:white;font-size:16px;font-weight:700;cursor:pointer}.loginCard button:disabled{opacity:.6}.formError{min-height:22px;margin-top:14px;color:#b42318;font-size:13px;line-height:1.6}@media(max-width:820px){.loginShell{grid-template-columns:1fr}.brandPanel{min-height:280px;padding:42px}.brandPanel h1{font-size:36px}.brandPanel p{font-size:15px}.brandNote{margin-top:22px}.loginPanel{padding:24px}.loginCard{padding:30px}}