Transport from Luoping-Kunming-Lijiang

I have plan to discover Yunnan, begins from Luoping-Kunming-LJ-Shangrila
What time I should leave Luoping to LJ.. My plan I leave aroud 02.00 pm
What time bus from Luiping to Kunming (no direct bus from Luiping to LJ right??)? distance about 4 hour right??
Which better using bus or train from Kunming to LJ??
Please give me price and the time
If I choose train soft sleeper, where I can book ticket and how much..
Tahnkyou very much