:root{--ink:#06182b;--navy:#041426;--navy-2:#09243c;--cyan:#00a9d6;--yellow:#ffd000;--red:#e31b23;--paper:#f3f6f8;--line:#dce4ea;--muted:#637384;--white:#fff;--shadow:0 24px 60px rgba(2,20,38,.16)}*{box-sizing:border-box}html{font-family:Arial,"Noto Sans SC",sans-serif;color:var(--ink);background:var(--paper)}body{margin:0}button,input,select,textarea{font:inherit}button,a{cursor:pointer}.login-shell{min-height:100vh;display:grid;grid-template-columns:1.08fr .92fr;background:var(--navy)}.login-brand{position:relative;display:flex;flex-direction:column;justify-content:center;padding:10vw;color:#fff;overflow:hidden;background:radial-gradient(circle at 80% 18%,rgba(0,169,214,.2),transparent 30%),linear-gradient(145deg,#061a2f,#020b14)}.login-brand:before,.login-brand:after{content:"";position:absolute;border:1px solid rgba(0,169,214,.18);border-radius:50%;width:46vw;height:46vw;right:-17vw;top:-18vw}.login-brand:after{width:28vw;height:28vw;right:-8vw;top:-5vw}.login-brand 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