Where do I transfer from Chengdu Line 3 to Line 2?

Chunxi Road is located at the intersection of Liansheng Lane and Hongxing Road in Dongjinjiang Street. Line 2 is an east-west island platform, and Line 3 is a north-south side platform. The underground structure of the station is ***4 floors, of which the second floor is the lobby floor of Line 2 and Line 3, the third floor is the main equipment area of the station and the platform floor of Line 3, and the fourth floor is the platform floor of Line 2.