互斥工具飞行，添加动画实体

liuyg

2021-06-19 c2a0f87ace207301984c1b305444cc019616af5a

1
.nano-background {background-color: #000; position: absolute; z-index: 9999998;}.nano-image {cursor: pointer; position: absolute; top: 0; left: 0; z-index: 9999999; border: 10px solid #fff;}.nano-image-hidden {visibility: hidden;}