iPad can't login to launch page of playcanvas

I am pretty sure my email and password is correct

but when i try to login for access launch.playcanvas.com/?debug=true using safari
it redirect me to login page, and then keep showing invalid request with error code 403

iPad 7
iOS 15.5


and it’s only happen on Safari , when use google chrome, its fine

Try logging in from playcanvas.com instead