Opodo Prime Charged €88.99 Without My Consent, My Bank Unhelpful

I was shocked to see that Opodo Prime charged €88.99 for a yearly membership that I never requested or authorized. I immediately contacted Garanti Bank, expecting them to take preventive action, but instead, they told me that once the money is taken, it's gone, and offered me a new credit card as a solution. This is unacceptable! The bank should have measures in place to stop unauthorized charges, not just suggest a card replacement. I demand a refund from Opodo and better protection from Garanti Bank. I will no longer use their credit cards if this issue isn’t resolved. This experience has been incredibly frustrating!