v3.25.4
Intangible assets - Schedule of Intangible Assets (Details)
¥ in Thousands, $ in Thousands
Dec. 31, 2024
CNY (¥)
Dec. 31, 2024
USD ($)
Dec. 31, 2023
CNY (¥)
Intangible assets      
Carrying amount ¥ 2,335 $ 320 ¥ 13,320
Gross carrying amount [member]      
Intangible assets      
Carrying amount 3,717   15,045
Gross carrying amount [member] | Software [Member]      
Intangible assets      
Carrying amount 3,717   3,717
Gross carrying amount [member] | Customer contracts [Member]      
Intangible assets      
Carrying amount 0   11,328
Accumulated amortization [Member]      
Intangible assets      
Carrying amount ¥ (1,382)   ¥ (1,725)