v3.26.1
Restricted Net Assets (Tables)
12 Months Ended
Dec. 31, 2025
Restricted Net Assets [Abstract]  
Schedule of Restricted Net Assets Amounts restricted include paid-in capital, additional paid-in capital, and the statutory reserves of the Company’s PRC subsidiaries.
   As of December 31, 
   2024   2025 
   RMB   RMB   US$ 
Additional paid-in-capital   203,150    203,150    29,050 
Statutory reserve   32,647    32,647    4,668 
    235,797    235,797    33,718