Convertible Loans and Shareholder Loans - Schedule of Convertible Loans and Shareholder Loans Measured at Amortized Cost (Details) - CNY (¥) |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| January 2019 Shareholder Loan [Member] | ||
| Debt Conversion [Line Items] | ||
| At fair value, Current | ||
| November 2020 Shareholder Loan [Member] | ||
| Debt Conversion [Line Items] | ||
| At fair value, Current | ||
| February 2021 Shareholders Loan [Member] | ||
| Debt Conversion [Line Items] | ||
| At fair value, Current | ||
| At fair value, Non-current | ||
| Subtotal [Member] | ||
| Debt Conversion [Line Items] | ||
| At fair value, Current | ||
| Convertible Loans and Shareholder Loans [Member] | ||
| Debt Conversion [Line Items] | ||
| At fair value, Current | ||
| Subtotal [Member] | ||
| Debt Conversion [Line Items] | ||
| At fair value, Current | ||
| July 2025 Convertible Loans [Member] | ||
| Debt Conversion [Line Items] | ||
| At fair value, Non-current | ||
| Subtotal [Member] | ||
| Debt Conversion [Line Items] | ||
| At fair value, Non-current | 137,501,657 | |
| Non-current Total [Member] | ||
| Debt Conversion [Line Items] | ||
| At fair value, Non-current | ¥ 153,985,233 |