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Bank Borrowings (Details)
¥ in Thousands, $ in Thousands
12 Months Ended
Dec. 31, 2025
CNY (¥)
Dec. 31, 2025
USD ($)
Feb. 21, 2025
CNY (¥)
Bank Borrowings [Line Items]      
Short-term bank borrowing | $   $ 4,000  
Youxu Zibo [Member]      
Bank Borrowings [Line Items]      
Bank borrowing ¥ 700    
Youpin Shandong [Member]      
Bank Borrowings [Line Items]      
Short-term bank borrowing     ¥ 2,000
Youpin Shandong [Member] | Working Capital [Member]      
Bank Borrowings [Line Items]      
Short-term interest rate     3.10%