...the platform has been inactive for 15 days, it is impossible to reach them by email, 100 emails in 15 days, I guess the project is dead..
I think that you will not be able to get your money back. Nevertheless, I am interested in the question, for what reason did you choose this exchange? That they offered you that you entrusted them with your money, while there are many centralized and decentralized exchanges with a good reputation.