Second, like all Citigroup companies, there are generally three rounds of interviews, written (or operational), personnel interviews and professional interviews. Sometimes they can be merged;
I don't know which round of interview you attended. If it is technical, it will be soon, usually 5-7 days, and the interview notice will pass. If there is no news, I'm sorry, I guess you failed;
The interview is hard to say, it depends on whether you interview alone and the position you are applying for.
Good luck!