:root{color-scheme:light;font-family:Inter,-apple-system,BlinkMacSystemFont,SF Pro Text,PingFang SC,Microsoft YaHei,Segoe UI,system-ui,sans-serif;--auth-bg: #f6f8fc;--auth-brand-bg: #eaf1ff;--auth-panel-bg: #ffffff;--auth-card-bg: #ffffff;--auth-soft-bg: #f4f6fb;--auth-line: #e4e8f0;--auth-line-strong: #d4dbe8;--auth-text: #111827;--auth-muted: #6b7280;--auth-faint: #9ca3af;--auth-blue: #335fe8;--auth-blue-strong: #2a4fd0;--auth-danger: #dc2626;--auth-radius: 20px;--auth-shadow: 0 28px 80px rgba(15, 23, 42, .12)}@media(prefers-color-scheme:dark){:root{color-scheme:dark;--auth-bg: #090b10;--auth-brand-bg: #101724;--auth-panel-bg: #0c0f14;--auth-card-bg: #11151c;--auth-soft-bg: #171c25;--auth-line: #26303d;--auth-line-strong: #344052;--auth-text: #f7f9fc;--auth-muted: #a5adbb;--auth-faint: #727d8d;--auth-blue: #4d7df7;--auth-blue-strong: #3f6ae0;--auth-shadow: 0 28px 90px rgba(0, 0, 0, .42)}}*{box-sizing:border-box}body{min-height:100vh;margin:0;background:var(--auth-bg);color:var(--auth-text)}button,input{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed}.login-shell{display:grid;width:100vw;min-height:100vh;grid-template-columns:minmax(600px,58vw) minmax(420px,42vw);overflow:hidden;background:var(--auth-panel-bg)}.auth-brand-panel{position:relative;display:flex;min-height:100vh;flex-direction:column;align-items:stretch;justify-content:flex-start;overflow:hidden;padding:clamp(44px,5.5vh,72px) clamp(56px,6vw,96px) clamp(34px,4vh,54px);background:radial-gradient(circle at 24% 16%,rgba(255,255,255,.46),transparent 34%),radial-gradient(circle at 58% 86%,rgba(51,95,232,.08),transparent 34%),linear-gradient(158deg,#335fe824,#5d8bff14 54%,#ffffff42),var(--auth-brand-bg);text-align:center}.auth-brand-panel:after{position:absolute;inset:0 -120px 0 auto;width:260px;content:"";background:linear-gradient(90deg,rgba(234,241,255,0),rgba(247,250,255,.76) 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