v3.26.1
Revenue from Contracts with Customers - Schedule of Current or Non Current Liabilities (Details)
Dec. 31, 2025
CNY (¥)
Dec. 31, 2025
USD ($)
Dec. 31, 2024
CNY (¥)
Schedule of Current or Non Current Liabilities [Abstract]      
Advance from customers ¥ 21,946,599 $ 3,138,322 ¥ 25,684,437
Deferred revenue-current 169,139,889 24,186,682 175,046,178
Deferred revenue-non-current 134,414,010 19,220,948 176,353,919
Total contract liabilities ¥ 325,500,498 $ 46,545,952 ¥ 377,084,534