v3.26.1
Leases (Details)
12 Months Ended
Dec. 31, 2025
CNY (¥)
Dec. 31, 2025
USD ($)
Dec. 31, 2024
CNY (¥)
Dec. 31, 2023
CNY (¥)
Leases [Abstract]        
Lease expense operating leases ¥ 246,116,497 $ 35,194,191 ¥ 258,421,629 ¥ 279,301,541