背景图看起来不像是完全固定不动的,它随着滚动而移动的。。
回复讨论(解决方案)
这种东西是看设计师设计的,可以去搜一搜视觉差~
实现起来也还好,在某个块(可以是div,可是是body)上记录鼠标的的位置,根据位置来决定后面背景图片的的位置,这样就会感觉有一个动画的效果。

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