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Taxation - Schedule of Tax effects of temporary differences that give rise to the deferred tax asset (Detail) - CNY (¥) ¥ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Deferred tax assets |  |
Net accumulated losses-carry forward | ¥ 452,178 | ¥ 522,038
Accounts receivables allowance | 259 | 325
Fair value change of long-term investment | 4,141 | 1,972
Total deferred tax assets | 456,578 | 524,335
Less: valuation allowance | (456,578) | (521,462)
Total deferred tax assets, net of valuation allowance | 0 | 2,873
Amounts offset by deferred tax liabilities | 0 | (2,873)
Total deferred tax assets, net | 0 | 0
Deferred tax liabilities |  |
Intangible assets, net | 0 | 1,909
Prepaid expenses | 0 | 964
Total deferred tax liabilities | 0 | 2,873
Amounts offset by deferred tax assets | 0 | (2,873)
Total deferred tax liabilities, net | ¥ 0 | ¥ 0

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