Taobao keeps getting restricted when logging in from the UK? I spent two weeks finding the fix

Last month, when I was in my London apartment trying to stock up on some cultural and creative tapes from China, I entered my Taobao account password and immediately got a verification pop-up. After completing the slider puzzle, it asked me to bind a domestic Chinese phone number, but my domestic number has been suspended for safekeeping for ages, so I couldn't receive the verification code. I messed around for almost half an hour and still couldn't log in. At first I thought there was something wrong with my account, but after asking a few classmates around me, I found that everyone has encountered similar situations to varying degrees: some people always get \