v3.26.3
Concentration and Risk (Details)
¥ in Thousands, $ in Thousands
6 Months Ended
Jun. 30, 2026
CNY (¥)
Jun. 30, 2025
Jun. 30, 2026
HKD ($)
Dec. 31, 2025
CNY (¥)
Concentration and Risk [Line Items]        
Cash and cash equivalents and restricted cash ¥ 17,760     ¥ 32,659
PRC [Member]        
Concentration and Risk [Line Items]        
Cash and cash equivalents and restricted cash 17,760      
Bank deposits 500      
Hong Kong [Member]        
Concentration and Risk [Line Items]        
Cash and cash equivalents and restricted cash ¥ 17,760      
Bank deposits | $     $ 500  
Customer Concentration Risk [Member] | Customers One [Member] | Revenue Benchmark [Member]        
Concentration and Risk [Line Items]        
Total revenue percentage 21.00% 30.00%    
Customer Concentration Risk [Member] | Customers Two [Member] | Revenue Benchmark [Member]        
Concentration and Risk [Line Items]        
Total revenue percentage 15.00% 18.00%    
Customer Concentration Risk [Member] | Customer Three [Member] | Revenue Benchmark [Member]        
Concentration and Risk [Line Items]        
Total revenue percentage   15.00%