v3.26.1
Share-Based Compensation (Schedule of Restricted Share Units Activities) (Details)
12 Months Ended
Dec. 31, 2025
¥ / shares
shares
Dec. 31, 2025
$ / shares
shares
Dec. 31, 2024
¥ / shares
shares
Dec. 31, 2023
shares
Number of restricted share units        
Granted | shares 0 0 0 0
Weighted-Average Grant-Date Fair Value        
Vested | $ / shares   $ 0.83    
Forfeited | ¥ / shares ¥ 0.84      
Restricted share units | 2015 Plan        
Number of restricted share units        
Outstanding, beginning balance | shares 3,272,202 3,272,202    
Granted | shares 129,000 129,000    
Vested | shares (1,114,722) (1,114,722)    
Forfeited | shares (1,204,680) (1,204,680)    
Outstanding, ending balance | shares 1,081,800 1,081,800 3,272,202  
Weighted-Average Grant-Date Fair Value        
Outstanding, beginning balance | ¥ / shares ¥ 15.12      
Granted | ¥ / shares 8.98      
Vested | ¥ / shares 22.53      
Forfeited | ¥ / shares 11.04      
Outstanding, ending balance | ¥ / shares ¥ 11.3   ¥ 15.12