重装系统后登陆邮箱账号，书签全都不见了。我从2022年开始用火狐，积累了很多书签，出于对火狐的信任，重装系统前没有另外备份书签，正常来说，书签都会自动保存云端，登陆就有，可是这次完全没有。
After Windows crashed, I installed a new system and logged into Firefox using my account. But all my history, passwords, bookmarks were erased. I also went to my phone an… (read more)
After Windows crashed, I installed a new system and logged into Firefox using my account. But all my history, passwords, bookmarks were erased. I also went to my phone and everything was gone. I didn't erase anything myself. Is there any way to restore the previous state of the account? Are there any backups on the Firefox Sync server?
