v3.26.3
Short-Term Investment - Schedule of Short-Term Investment (Details)
6 Months Ended 12 Months Ended
Jun. 30, 2026
CNY (¥)
Dec. 31, 2025
CNY (¥)
Jun. 30, 2026
USD ($)
Short-Term Investment [Abstract]      
Cost ¥ 121,549,685 ¥ 121,549,685  
Unrealized gain 7,877,910 8,850,627  
Aggregate fair value ¥ 129,427,595 ¥ 130,400,312 $ 19,075,267