Someone has stolen all my token on my wallet

hello everyone,
I have spoken with someone on telegram. I thought it wwas someone from pancakeswap support and he gave me THIS link → www.accountimport.c.o.m
I folloed the king and they ask me to write my 12 words and 5 hours later I return to my wallet, I discovered that all my token were vanished

How can I fix that. if someone knows ?

Your secret phrase is never meant to be used by anyone except yourself.
Read all the rules/advice in the blue text above.

Sorry, but your tokens are gone.