:root{--bg: #f5efe4;--surface: rgba(255, 251, 245, .92);--surface-strong: #fffdf8;--line: rgba(69, 53, 42, .12);--text: #1e1a17;--muted: #6b5d50;--brand: #8c3d2b;--brand-deep: #5f261b;--brand-soft: rgba(140, 61, 43, .12);--olive: #526144;--gold: #c88a2d;--danger: #b4473a;--shadow: 0 20px 60px rgba(64, 42, 20, .12)}*{box-sizing:border-box}html,body,#root{min-height:100%}body{margin:0;color:var(--text);font-family:PingFang SC,Microsoft YaHei,Helvetica Neue,sans-serif;background:radial-gradient(circle at top left,rgba(246,197,124,.34),transparent 24%),radial-gradient(circle at right 20%,rgba(140,61,43,.15),transparent 22%),linear-gradient(160deg,#fff9f1,#f5efe4 56%,#f0e6d7)}button,input,textarea,select{font:inherit}button{cursor:pointer}.loading-screen,.login-shell{min-height:100vh;display:grid;place-items:center;padding:24px}.loading-card,.login-panel{width:min(1040px,100%);background:var(--surface);border:1px solid 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