What is the easiest way to travel from HK to Dongguan?

1. MTR and Metro
A. HK Downtown → Lo Wu on HK MTR East Rail Line → Luohu Port → Luohu on SZ Metro Line 1 → SZ Downtown

2. High Speed Train
A. HK West Kowloon Station - Futian Railway Station / SZ North railway Station

Which option better? And from Luohu or Futian, what is the best way to Dongguan, say Hyatt Hotel?