:root{--bg:#0d1428;--panel:#131e3a;--panel-2:#182646;--line:#293858;--text:#f4f6ff;--muted:#8794b3;--mint:#57ddbd;--coral:#ff786d}*{box-sizing:border-box}html{scroll-behavior:smooth}body{color:var(--text);background:#080e1d;margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Noto Sans SC,PingFang SC,sans-serif}button,input,textarea{font:inherit}button{color:inherit}button,a{-webkit-tap-highlight-color:transparent}.app-shell{background:radial-gradient(circle at 100% 0,#36538f33,transparent 300px),var(--bg);width:min(100%,480px);min-height:100vh;margin:0 auto;padding:0 16px 96px;position:relative;box-shadow:0 0 60px #00000057}.topbar{justify-content:space-between;align-items:center;height:70px;display:flex}.brand{text-align:left;cursor:pointer;background:0 0;border:0;padding:0}.brand strong{letter-spacing:.08em;font-size:19px;font-weight:720;display:block}.brand 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