v3.26.1
Prepayment and Other Assets, Net - Schedule of Prepayments and Other Assets (Details)
¥ in Thousands, $ in Thousands
Dec. 31, 2025
CNY (¥)
Dec. 31, 2025
USD ($)
Dec. 31, 2024
CNY (¥)
Dec. 31, 2024
USD ($)
Dec. 31, 2023
CNY (¥)
Schedule of Prepayments and Other Assets [Abstract]          
Security deposit ¥ 2,515 $ 358 ¥ 2,660    
Prepaid advertising and promotion expenses [1] 9,091 1,300    
Prepaid financial consulting expenses [1] 13,986 2,000    
Prepaid legal expenses 315 45    
Technology transfer license fee 7,000 1,001 18,100    
Others 26 5 1,485    
Prepayments and other assets 32,933 4,709 22,245    
Less: other receivable- a related party (738)    
Less: long-term prepayments (7,014) (1,003) (18,698)    
Less: allowance for credit losses (252) (36) (183) $ (26) ¥ (223)
Prepayments and other current assets, net ¥ 25,667 $ 3,670 ¥ 2,626    
[1] As the business was not carried out, these prepaid expenses were fully refunded on April 24, 2026.