v3.26.1
Goodwill (Details)
¥ in Thousands, $ in Thousands
12 Months Ended
Dec. 31, 2025
CNY (¥)
Dec. 31, 2025
USD ($)
Dec. 31, 2024
CNY (¥)
Dec. 31, 2023
CNY (¥)
May 31, 2025
Dec. 31, 2022
CNY (¥)
Goodwill [Line Items]            
Goodwill impaired ¥ 621 $ 89 ¥ 454    
Goodwill amount       ¥ 454
Suzhou Tinghaozhu Technology Co., Ltd [Member]            
Goodwill [Line Items]            
Goodwill impaired ¥ 621          
Percentage of equity interest     30.00%   35.00%  
Goodwill amount     ¥ 621