Borrowings (Details) - CNY (¥) ¥ in Millions |
6 Months Ended | 12 Months Ended | |
|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Dec. 31, 2025 |
|
| Borrowings | |||
| Borrowings, interest rate | 3.00% | 3.00% | |
| Borrowing facilities (in Yuan Renminbi) | ¥ 98.0 | ¥ 98.0 | |
| Borrowings amount (in Yuan Renminbi) | ¥ 519.1 | ||
| Borrowings comprised (in Yuan Renminbi) | ¥ 54.4 | ||
| Within 1 year [Member] | Bottom of range [member] | |||
| Borrowings | |||
| Borrowings, interest rate | 3.00% | 3.00% | |
| Within 1 year [Member] | Top of range [member] | |||
| Borrowings | |||
| Borrowings, interest rate | 6.50% | 6.50% | |