I will arrive at shenzhen airport at 8.00 p.m and want to go straight to hotel at luohu strict.

According to your arrival time, you can take shuttle bus no.330 to get to West Square of Luohu Railway Station. It belongs to Luohu District. This bus route operates from 06:30 to the arrival of the last flight. It costs CNY 20 per person. After that, you can take a cab to the destination.