v3.26.1
Share-based compensation - Summary of Total Compensation Costs Recognized (Details)
¥ in Thousands, $ in Thousands
12 Months Ended
Dec. 31, 2025
CNY (¥)
Dec. 31, 2025
USD ($)
Dec. 31, 2024
CNY (¥)
Dec. 31, 2023
CNY (¥)
Share-based compensation        
Total ¥ 3,684 $ 527 ¥ 4,225 ¥ 11,574
Cost of revenue        
Share-based compensation        
Total     2 3
Research and development        
Share-based compensation        
Total 407 58 731 2,764
Sales and marketing        
Share-based compensation        
Total 1,323 189 138 850
General and administrative        
Share-based compensation        
Total ¥ 1,954 $ 280 ¥ 3,354 ¥ 7,957