v3.26.1
Property and equipment, net - Additional information (Details)
¥ in Thousands, $ in Thousands
12 Months Ended
Dec. 31, 2025
CNY (¥)
Dec. 31, 2025
USD ($)
Dec. 31, 2024
CNY (¥)
Dec. 31, 2023
CNY (¥)
Property and equipment, net        
Impairment loss on property and equipment ¥ 0   ¥ 0 ¥ 0
Depreciation expense ¥ 931 $ 133 ¥ 1,309 ¥ 5,301