Investments - Schedule of Unrealized and Realized Gains and Losses of Investments in Equity Securities in Current Assets (Details) |
12 Months Ended | |||
|---|---|---|---|---|
|
Dec. 31, 2025
CNY (¥)
|
Dec. 31, 2025
USD ($)
|
Dec. 31, 2024
CNY (¥)
|
Dec. 31, 2023
CNY (¥)
|
|
| Schedule of Unrealized and Realized Gains and Losses of Investments in Equity Securities in Current Assets [Line Items] | ||||
| Total net loss recognized | ¥ (2,544,834) | ¥ (15,344,616) | ||
| Less: Net realized loss on equity securities sold | (1,245,632) | |||
| Net unrealized loss recognized on equity securities held | ¥ (1,299,202) | ¥ (15,344,616) | ||