#login_win .web-login-mask{position:fixed;display:flex;align-items:center;justify-content:center;width:100%;height:100%;top:0;left:0;background-color:rgba(0, 0, 0, 0.5);z-index:9999}#login_win .login-dialog-wrapper{position:fixed;width:auto;top:50%;left:50%;transform:translate(-50%, -50%);z-index:10001;mask-image:radial-gradient(white, black);-webkit-mask-image:-webkit-radial-gradient(white, black)}