Prepayments and Other Assets, Net (Details) - CNY (¥) ¥ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2024 |
Jun. 30, 2025 |
|
| Prepayments and Other Assets, Net [Line Items] | ||
| Allowance for doubtful accounts | ¥ 32,035 | ¥ 32,035 |
| Other deposits | ¥ 3,959 | ¥ 3,959 |
| Minimum [Member] | ||
| Prepayments and Other Assets, Net [Line Items] | ||
| Original term | 1 day | |
| Interest rates | 6.50% |