do i need visa for China?

heloo
good day
i don know is that a good way to get information from you or not, if not please forgive me for disturbing you wit this mail.

I am a nepali guy living in Japan. soon i am paling to travel my country soon. i book for transit flight from china Guangzhou Baiyan International airport . its a long time transit,about 24 hr. so i like to saty in any hotel for a night.

is that possible to saty in a airport hotel without visa?
is there any hotel in Guangzahou Baiyan International airport for guest like me?
if i need one, which type should I apply?
it will be very thankful for me if u have time to reply for me.