:root{--ink:#17253a;--muted:#68768a;--line:#dbe3ec;--line2:#e9eef4;--panel:#fff;--canvas:#f3f6fa;--blue:#176bc1;--blue2:#0e5aa7;--blue-soft:#eaf4ff;--teal:#0c8b83;--orange:#e9842e;--shadow:0 12px 32px rgba(32,55,81,.10);font-family:"Microsoft YaHei","PingFang SC",system-ui,sans-serif;color:var(--ink);background:var(--canvas)}*{box-sizing:border-box}body{margin:0;min-width:1100px;background:var(--canvas)}button,input,select,textarea{font:inherit;color:inherit}button{cursor:pointer}.hidden{display:none!important}.eyebrow{margin:0 0 8px;color:var(--blue);font-size:12px;font-weight:800;letter-spacing:.12em}.login-shell{min-height:100vh;display:grid;grid-template-columns:minmax(480px,1.1fr) minmax(460px,.9fr)}.login-brand{padding:10vh 11%;color:white;background:linear-gradient(145deg,rgba(8,43,80,.96),rgba(13,102,153,.9)),radial-gradient(circle at 65% 20%,#5ac7c0,transparent 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