Apple Developer Login Error Resolution
Recently found that my Apple Developer account couldn’t log in at https://developer.apple.com.
Logging in always shows this image:

Later, initially thought it was a company network issue, then tried at home, on colleague’s computer, Chrome, Safari, still didn’t work.
Found online that someone encountered a similar issue, called Apple support and resolved it.
So found the phone number,

Called 4006 701 855, Mandarin service, waited a few minutes, and it was resolved.
Finally, asked if I had any other questions, I said “Can I know the reason?”, they said “Cannot tell you.”
I asked “Will using VPN normally have any impact?”, they said “No impact.”
Alright, resolved.