:root{--bg:#f4f6f9;--panel:#fff;--ink:#172033;--muted:#667085;--line:#e7eaf0;--nav:#111827;--blue:#2563eb;--blue2:#1d4ed8;--green:#0f9f6e;--amber:#d97706;--red:#dc2626;--shadow:0 16px 42px rgba(20,30,55,.08);font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;color:var(--ink);background:var(--bg)}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:var(--bg)}button,input,select{font:inherit}.hidden{display:none!important}.login-layout{min-height:100vh;display:grid;grid-template-columns:minmax(420px,1.15fr) minmax(420px,.85fr);background:#fff}.login-brand{position:relative;overflow:hidden;padding:72px max(7vw,64px);display:flex;flex-direction:column;justify-content:center;color:white;background:radial-gradient(circle at 70% 20%,rgba(59,130,246,.55),transparent 30%),linear-gradient(145deg,#0b1220 0%,#172554 56%,#1d4ed8 130%)}.login-brand:after{content:"";position:absolute;width:520px;height:520px;border:1px solid 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