:root{--bg:#E6EBF2;--nav:#F5F7FB;--blue:#289CFF;--text:#243447;--muted:#66788A;--soft:#8A9AAF;--line:rgba(40,156,255,.16);--shadow:0 14px 36px rgba(56,92,138,.12);--grad:linear-gradient(180deg,#32D1F6 0%,#27B9F4 35%,#249BFF 100%)}
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