其实小弟不是很懂网美们为何喜欢这个特效，不知道有没有大神们可以解惑
https://i.imgur.com/b7RVrrE.jpg
https://i.imgur.com/Mu93Q2h.jpg
https://i.imgur.com/UBocVer.jpg
https://i.imgur.com/Z7zEMOz.jpg
https://i.imgur.com/aBQdxrB.jpg
https://i.imgur.com/MfV2MTX.jpg
https://i.imgur.com/25UYUUS.jpg