v3.25.1
Leases (Details)
12 Months Ended
Dec. 31, 2024
CNY (¥)
Dec. 31, 2024
USD ($)
Dec. 31, 2023
CNY (¥)
Dec. 31, 2022
CNY (¥)
Leases [Abstract]        
Lease expense operating leases ¥ 258,421,629 $ 35,403,618 ¥ 279,301,541 ¥ 319,102,819