*{margin:0;padding:0;box-sizing:border-box}body,html{height:100%;width:100%;overflow-x:hidden}body{font-family:'Microsoft YaHei','PingFang SC',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;background:linear-gradient(135deg,#667eea 0,#764ba2 100%);background-attachment:fixed;min-height:100vh;height:100vh;display:flex;align-items:center;justify-content:center;position:relative;margin:0;padding:20px 15px;overflow:hidden}#loginApp{width:100%;max-width:600px;position:relative;z-index:10;display:flex;flex-direction:column;align-items:center}.background-decoration{position:fixed;top:0;left:0;width:100vw;height:100vh;overflow:hidden;z-index:1;pointer-events:none}.decoration-circle{position:absolute;border-radius:50%;background:rgba(255,255,255,.06);animation:float 12s ease-in-out 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(max-height:700px){body{align-items:flex-start;padding-top:40px}}