The concept of the project comes from the changing relationship of light in the building. In the space, light will change into different attitudes with different architectural structures, just like a dancer, sometimes quiet and sometimes warm. The interior is elegantly and simply decorated with wood, stone and concrete. The design language is presented by means of array, repetition and interpenetration.The lighting atmosphere in the entrance hall is elegant, and the arc elements show the dynamic spirit of the space.In the same sales office space, we can see four different spatial relations.