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Principal accounting policies - Schedule of Amortization of Finite-Lived Intangible Assets Computed Using the Straight-Line Method Over the Following Estimated Useful Lives (Details) | Dec. 31, 2025
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Copyrights of video content | Minimum |
Indefinite-lived Intangible Assets |
Estimated useful lives | 1 year
Copyrights of video content | Maximum |
Indefinite-lived Intangible Assets |
Estimated useful lives | 4 years
License |
Indefinite-lived Intangible Assets |
Estimated useful lives | 15 years
Software | Minimum |
Indefinite-lived Intangible Assets |
Estimated useful lives | 1 year
Software | Maximum |
Indefinite-lived Intangible Assets |
Estimated useful lives | 10 years
Domain names |
Indefinite-lived Intangible Assets |
Estimated useful lives | 15 years
Trademarks | Minimum |
Indefinite-lived Intangible Assets |
Estimated useful lives | 5 years
Trademarks | Maximum |
Indefinite-lived Intangible Assets |
Estimated useful lives | 11 years
Platform content |
Indefinite-lived Intangible Assets |
Estimated useful lives | 7 years
Technology |
Indefinite-lived Intangible Assets |
Estimated useful lives | 4 years

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