Is it better to have a high floor in Feng Shui room or a high floor in living room?

On feng shui, the bedroom is king, the living room kitchen is minister, and the living room is higher than other rooms in the bedroom. The living room shouldn't be above the bedroom? In geomantic omen, it is best to pay attention to the flat land. It is better for all parties to lie in the living room equally ... If necessary, the bedroom floor can be higher than the living room.