How to get from Guangzhou International Airport to Liwan Lake Garden Inn, Liwan District?

I would like to take the Airport Shuttle Bus from the Airport to Liwan Lake Garden Inn, No.175 Huangsha Main road, Liwan District, 510150. Which airport shuttle bus line i should take? How do get to my hotel when i get to downtown? Does the bus allow for luaggages? I am travelling and arriving on 26th November, 8pm.