Long-term investments, net - Categories of long-term investments (Details) ¥ in Thousands, $ in Thousands |
Dec. 31, 2025
CNY (¥)
|
Dec. 31, 2025
USD ($)
|
Dec. 31, 2024
CNY (¥)
|
Dec. 31, 2023
CNY (¥)
|
|---|---|---|---|---|
| Long-term investments, net | ||||
| Equity securities without readily determinable fair value | ¥ 140,959 | ¥ 51,176 | ¥ 44,621 | |
| Debt investments accounted for at fair value | 17,521 | |||
| Total | ¥ 158,480 | $ 22,662 | ¥ 51,176 |