Zillion Network

Upgrade to v6.5.0-beta quickly, this version finally resolves the issue of high CPU usage.

I encountered the [same problem](https://lightningcss.dev/playground/index.html#%7B%22minify%22%3Atrue%2C%22customMedia%22%3Atrue%2C%22cssModules%22%3Afalse%2C%22analyzeDependencies%22%3Afalse%2C%22targets%22%3A%7B%22chrome%22%3A7929856%2C%22firefox%22%3A1310720%2C%22safari%22%3A262144%2C%22opera%22%3A262144%2C%22edge%22%3A7929856%2C%22ie%22%3A262144%2C%22ios_saf%22%3A1114112%2C%22android%22%3A131072%2C%22samsung%22%3A196608%7D%2C%22include%22%3A0%2C%22exclude%22%3A0%2C%22source%22%3A%22.foo%20%7B%5Cn%20%20backdrop-filter%3A%20blur(10px)%3B%5Cn%20%20-webkit-backdrop-filter%3A%20blur(10px)%3B%5Cn%7D%5Cn%22%2C%22visitorEnabled%22%3Afalse%2C%22visitor%22%3A%22%7B%5Cn%20%20Color(color)%20%7B%5Cn%20%20%20%20if%20(color.type%20%3D%3D%3D%20'rgb')%20%7B%5Cn%20%20%20%20%20%20color.g%20%3D%200%3B%5Cn%20%20%20%20%20%20return%20color%3B%5Cn%20%20%20%20%7D%5Cn%20%20%7D%5Cn%7D%22%2C%22unusedSymbols%22%3A%5B%5D%2C%22version%22%3A%22local%22%7D). Input: ```css .foo { backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); } ``` Output: ```css .foo{-webkit-backdrop-filter:blur(10px)} ``` Not work in Firefox and Chrome. Here is we expect: ```css...