Which#of bus that I can take from H.K. airport to Regal Riverside Hotel in Shatin after midnight?

I will arrive in H.K. airport around 11:45pm. Is there any bus that I can take to Regal Riverside Hotel after midnight. How much it cost for adult and children? What is the bus lastest departure time from airport?
What is nearest bus stop station call to get off the bus to the hotel?

Thanks for your favorable reply.