:root{--nav:#10272d;--nav-soft:#17363d;--green:#118173;--mint:#69d8c2;--ink:#1b2d33;--muted:#7f8d91;--line:#e1e8e6;--soft:#f5f8f7;--danger:#c9484f}*{box-sizing:border-box}body{margin:0;color:var(--ink);background:#f6f8f7;font-family:"Noto Sans SC",sans-serif}.login-shell{display:grid;grid-template-columns:minmax(420px,46%) 1fr;min-height:100vh}.login-brand-panel{position:relative;overflow:hidden;padding:38px 48px;color:#fff;background:radial-gradient(circle at 80% 22%,#2d746c88,transparent 35%),linear-gradient(145deg,#0e242a,#183b42 66%,#102a30)}.login-brand-panel:after{content:"";position:absolute;right:-130px;bottom:-170px;width:420px;height:420px;border:1px solid #75dfca22;border-radius:50%;box-shadow:0 0 0 55px #75dfca0b,0 0 0 110px #75dfca08}.login-brand,.mobile-brand{display:flex;align-items:center;gap:11px}.login-brand>span,.mobile-brand>span{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:var(--mint);color:#123238;font:800 18px 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10px;border-radius:6px;background:#fff0ef;color:#b64249;font-size:10px}.login-error.show{display:block}.login-button{width:100%;height:45px;margin-top:4px;padding:0 15px;border:0;border-radius:8px;background:var(--green);color:#fff;font:700 12px "Noto Sans SC";cursor:pointer;display:flex;justify-content:center;align-items:center;gap:9px;box-shadow:0 7px 18px #11817320}.login-button:hover{background:#0c6f63}.login-button:disabled{cursor:wait;opacity:.65}.login-button i{font-style:normal}.invite-button{width:100%;height:42px;margin-top:12px;border:1px solid #dce5e2;border-radius:8px;background:white;color:#637377;font:600 10px "Noto Sans SC";cursor:pointer}.invite-button>span{margin-right:6px;color:#16816f}.secure-note{display:flex;align-items:center;gap:9px;margin-top:23px;padding-top:19px;border-top:1px solid #edf1f0;color:#218170}.secure-note>span{font-size:18px}.secure-note p{margin:0}.secure-note b,.secure-note small{display:block}.secure-note b{color:#52656a;font-size:9px}.secure-note small{margin-top:3px;color:#99a4a7;font-size:8px}.login-footer{margin:25px 0 0;color:#9aa5a7;font-size:9px}.login-toast{position:fixed;left:50%;bottom:26px;z-index:10;transform:translate(-50%,20px);padding:10px 15px;border-radius:7px;background:#17343a;color:white;font-size:10px;opacity:0;pointer-events:none;transition:.25s}.login-toast.show{opacity:1;transform:translate(-50%,0)}@media(max-width:850px){.login-shell{display:block}.login-brand-panel{display:none}.login-form-panel{min-height:100vh;padding:28px 18px}.mobile-brand{display:flex;width:min(430px,100%);margin-bottom:28px}.mobile-brand strong{color:#17333a}.login-card{padding:30px 25px}.login-footer{text-align:center}}@media(max-width:390px){.login-tabs{grid-template-columns:1fr}.login-tabs button:nth-child(2){display:none}}