What is the difference between isolated margin and cross margin?

Isolated margin: The position margin is independent and fixed from the contract account balance. Adjusting the margin requires manual operation, and the maximum loss in the event of a liquidation is the margin portion of the position.

Cross margin: All balances in the contract account are used as margin. If multiple cross margin positions are held, the account margin will be shared, and the loss in the event of a liquidation is the entire balance of the contract account.