v3.26.3
Trade receivables, net - Schedule of Trade Receivables (Details)
¥ in Thousands, $ in Thousands
Jun. 30, 2026
CNY (¥)
Jun. 30, 2026
USD ($)
Dec. 31, 2025
CNY (¥)
Trade receivables, net - Schedule of Trade Receivables (Details) [Line Items]      
Current trade receivables ¥ 18,266 $ 2,692 ¥ 21,714
Aggregate continuing and discontinued operations [member]      
Trade receivables, net - Schedule of Trade Receivables (Details) [Line Items]      
Current trade receivables 18,266   21,714
Included in assets classified as held for sale [Member]      
Trade receivables, net - Schedule of Trade Receivables (Details) [Line Items]      
Current trade receivables 0   0
Trade receivables [Member] | Aggregate continuing and discontinued operations [member]      
Trade receivables, net - Schedule of Trade Receivables (Details) [Line Items]      
Current trade receivables 84,284   104,965
Loss allowance [Member] | Aggregate continuing and discontinued operations [member]      
Trade receivables, net - Schedule of Trade Receivables (Details) [Line Items]      
Current trade receivables ¥ (66,018)   ¥ (83,251)