Restricted cash - Summary of Restricted cash (Details) - CNY (¥) ¥ in Thousands |
Jun. 30, 2025 |
Dec. 31, 2024 |
||
|---|---|---|---|---|
| Non-Current | ||||
| Deposits for renting office | [1] | ¥ 6,607 | ¥ 6,635 | |
| Deposits for others | 5,535 | 3,034 | ||
| Restricted cash and cash equivalents | 12,142 | 9,669 | ||
| Current | ||||
| Credit card and other deposits | 3,273 | 4,814 | ||
| Restricted cash and cash equivalents | ¥ 3,273 | ¥ 4,814 | ||
| ||||