v3.26.1
Trade receivables, net - Schedule of Trade Receivables (Details)
¥ in Thousands, $ in Thousands
Dec. 31, 2025
CNY (¥)
Dec. 31, 2025
USD ($)
Dec. 31, 2024
CNY (¥)
Trade receivables, net - Schedule of Trade Receivables (Details) [Line Items]      
Current trade receivables ¥ 21,714 $ 3,105 ¥ 44,506
Aggregate continuing and discontinued operations [member]      
Trade receivables, net - Schedule of Trade Receivables (Details) [Line Items]      
Current trade receivables 21,714   78,920
Included in assets classified as held for sale [Member]      
Trade receivables, net - Schedule of Trade Receivables (Details) [Line Items]      
Current trade receivables 0   34,414
Trade receivables [Member] | Aggregate continuing and discontinued operations [member]      
Trade receivables, net - Schedule of Trade Receivables (Details) [Line Items]      
Current trade receivables 104,965   148,057
Loss allowance [Member] | Aggregate continuing and discontinued operations [member]      
Trade receivables, net - Schedule of Trade Receivables (Details) [Line Items]      
Current trade receivables ¥ (83,251)   ¥ (69,137)