v3.26.3
Inventories (Details)
6 Months Ended 12 Months Ended
Jun. 30, 2026
CNY (¥)
Jun. 30, 2026
USD ($)
Jun. 30, 2025
CNY (¥)
Dec. 31, 2025
CNY (¥)
Inventories [Abstract]        
Inventories in cost of revenues