Material accounting policies - Summary of Useful Lives of Property Plant and Equipment (Details) |
12 Months Ended |
|---|---|
Dec. 31, 2024 | |
| Electronic equipment | |
| Material accounting policies | |
| Useful life measured as period of time, property, plant and equipment | 5 years |
| Office equipment | |
| Material accounting policies | |
| Useful life measured as period of time, property, plant and equipment | 3 years |