If the amount is too large, call the police. The person who asked you to buy the number wants you to enter the platform, saying that trading on the platform is safe.
Then the website deliberately changed your bank card number and lied to you about unfreezing it with the same money.
The person who asked you to buy the number got your ID number and threatened to call the police to solve the problem as soon as possible.
You shouldn't get the money after recharging.