If online banking is enabled on the payroll card, you can log in and query directly through the personal online banking interface in official website. If online banking is not enabled on the payroll card, you can log in and inquire about the fund details through this interface, but you cannot conduct online transactions. The password may be your bank card password.
Just download the security certificate before logging in.
If your salary is really paid by credit card, you can check the details through the interface of credit card inquiry or login.