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Leases - Schedule of Leases (Details) - CNY (¥)
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Schedule of Leases [Absract]    
Operating lease cost ¥ 229,718,169 ¥ 279,526,257
Variable lease cost 20,286,865 22,664,025
Short-term lease cost 200,917
Total rental expense 250,005,034 302,391,199
Operating lease right-of-use assets 493,308,393 785,437,497
Current operating lease liabilities 178,115,199 189,834,647
Non-current operating lease liabilities 380,075,128 653,658,810
Total operating lease liabilities 558,190,327 843,493,457
Cash paid for amounts included in the measurement of lease liabilities 204,719,215 256,087,221
Right-of-use assets obtained in exchange for new lease liabilities ¥ 16,855,171 ¥ 151,906,824
Weighted-average remaining lease term (years) 3 years 5 months 12 days 4 years 3 months 29 days
Weighted-average discount rate 6.01% 6.23%