v3.26.3
Taxation (Details)
¥ in Thousands, $ in Thousands
6 Months Ended 12 Months Ended
Jun. 30, 2026
USD ($)
Jun. 30, 2026
CNY (¥)
Jun. 30, 2025
CNY (¥)
Dec. 31, 2025
Dec. 31, 2024
Taxation [Line Items]          
Tax expense $ 694 ¥ 4,728 ¥ 12,045    
Hong Kong [Member]          
Taxation [Line Items]          
Income tax rate percentage 16.50% 16.50%      
PRC [Member]          
Taxation [Line Items]          
Income tax rate percentage 25.00% 25.00%      
PRC [Member] | High and New Technology Enterprise [Member]          
Taxation [Line Items]          
Preferential corporate income tax rate       25.00% 15.00%
Minimum [Member] | PRC [Member]          
Taxation [Line Items]          
Preferential corporate income tax rate       2.50% 2.50%
Maximum [Member] | PRC [Member]          
Taxation [Line Items]          
Preferential corporate income tax rate       5.00% 5.00%