v3.26.1
Accrued expenses and other current liabilities - Schedule of accrued expenses and other current liabilities (Details)
Dec. 31, 2025
CNY (¥)
Dec. 31, 2025
USD ($)
Dec. 31, 2024
CNY (¥)
Accrued expenses and other current liabilities      
Accrued payroll and welfare ¥ 157,285,350   ¥ 147,072,840
Accrued marketing cost 17,874,361   26,351,904
Income tax and other tax payable 12,968,720   12,466,396
Professional service fees 8,140,491   9,152,452
Deposits 6,238,574   9,309,174
Others 16,413,316   38,164,335
Total ¥ 218,920,812 $ 31,305,260 ¥ 242,517,101