v3.26.1
Income taxes - Summary of Composition of Income Tax Expense (Details)
¥ in Thousands, $ in Thousands
12 Months Ended
Dec. 31, 2025
CNY (¥)
Dec. 31, 2025
USD ($)
Dec. 31, 2024
CNY (¥)
Dec. 31, 2023
CNY (¥)
Income taxes        
Current income tax expense ¥ (1,125) $ (160) ¥ (104) ¥ (3)
Deferred tax benefit/(expense) 1,052 150 (6) 1,889
Total income tax benefit/(expense) ¥ (73) $ (10) ¥ (110) ¥ 1,886