v3.26.1
Goodwill (Details)
12 Months Ended
Dec. 31, 2025
CNY (¥)
Dec. 31, 2025
USD ($)
Dec. 31, 2024
CNY (¥)
Dec. 31, 2023
CNY (¥)
Dec. 31, 2023
USD ($)
Goodwill [Abstract]          
Impairment loss ¥ 66,491,000 $ 9,508,087 ¥ 81,008,000