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INCOME TAXES - Summary of principle components of deferred tax assets and deferred taxes liability (Detail) - CNY (¥)
¥ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Deferred tax assets        
Deductible temporary difference related to advertising expenses ¥ 893,927 ¥ 786,469    
Net operating loss carrying forwards 782,319 827,031    
Transfer of intangible assets 833 1,002    
Accrued liabilities 1,904 1,891    
Total deferred tax assets 1,678,983 1,616,393    
Less: valuation allowance (1,678,983) (1,616,393) ¥ (1,397,121) ¥ (1,351,067)
Deferred tax assets, net 0 0    
Deferred tax liabilities        
Building and land use right 63,906 65,706    
Intangible assets 10,589 4,475    
Unrecognized gains of investments 753 423    
Total deferred tax liabilities ¥ 75,248 ¥ 70,604