What train from Hong Kong Airport goes directly to Luohu Port?

There is no direct bus from Hong Kong Airport to Luohu Port. Generally, there are:

There are transit buses from Hong Kong Airport to Shenzhen, Huanggang, etc., or to Zhongshan, Guangzhou, etc. The main stops are hotels, but It costs $180 and takes about 1 hour and 30 minutes. 2)

Take the A43 bus at the airport for 2 stops and get off at Sheung Shui MTR station, then transfer to the MTR and take 1 stop to Luo Wu Port