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v3.25.1

Taxation - Deferred tax assets and liabilities (Details) - CNY (¥) ¥ in Thousands | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Deferred tax assets: |  |  |  |
Deferred revenue |  | ¥ 265,876 | ¥ 280,872 |
Net operating tax loss carry forwards |  | 3,490,177 | 3,542,650 |
Accruals and others | [1] | 940,900 | 667,180 |
Total deferred tax assets |  | 4,696,953 | 4,490,702 |
Less: valuation allowance |  | (4,561,822) | (4,444,111) | ¥ (3,657,467)
Net deferred tax assets |  | 135,131 | 46,591 |
Deferred tax liabilities |  |  |  |
Acquired intangible assets |  | (66,969) | (88,547) |
Total deferred tax liabilities |  | (66,969) | (88,547) |
Movement of the aggregate valuation allowances for deferred tax assets |  |  |  |
Balance at January 1 |  | (4,444,111) | (3,657,467) | (2,122,077)
Re-measurement due to applicable preferential tax rate for HNTE |  |  | (18,437) |
Addition |  | (129,769) | (822,414) | (1,543,301)
Expiration of loss carry forward and impact of disposal/close of subsidiaries |  | 12,058 | 54,207 | 7,911
Balance at December 31 |  | ¥ (4,561,822) | ¥ (4,444,111) | ¥ (3,657,467)
[1] | Accrued and others primary represent accrued expenses which are not deductible until paid under PRC laws, as well as non-deductible advertising expenses.

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