v3.26.3
Short-Term Investments (Details)
6 Months Ended
Jun. 30, 2026
USD ($)
Jun. 30, 2026
CNY (¥)
Jun. 30, 2026
CNY (¥)
Dec. 31, 2025
CNY (¥)
Short-Term Investments [Abstract]        
Short-term investments $ 261,824,029   ¥ 1,783,257,278 ¥ 2,062,818,597
Fair value of unrealized investment loss 26,470,199 ¥ 180,285,879    
Fair value of realized investment loss $ 26,470,199 ¥ 180,285,879