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 | ||