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Concentrations and Risks (Details) ¥ in Thousands	12 Months Ended
	Dec. 31, 2024 CNY (¥) item	Dec. 31, 2023 CNY (¥) item	Dec. 31, 2022 item
Accounts receivable | Customer A
Concentrations and Risks
Accounts receivable | ¥	¥ 168,503	¥ 235,125
Telecommunications service provider
Concentrations and Risks
Total number of telecommunications service providers | item	115	116	153
Telecommunications service provider | Servers and bandwidth expenditure
Concentrations and Risks
Number of service providers providing 10% or more of the Group's servers and bandwidth expenditure | item	4	2	3
Telecommunications service provider | 10% or greater service providers | Servers and bandwidth expenditure
Concentrations and Risks
Concentration risk percentage	53.00%	23.00%	45.00%
Credit risk | Distribution channel A
Concentrations and Risks
Accounts receivable | ¥	¥ 192,405	¥ 236,549
Credit risk | Minimum | Accounts receivable | Distribution channel
Concentrations and Risks
Concentration risk percentage	10.00%	10.00%
Distribution channel risk
Concentrations and Risks
Number of distribution channel concentration over ten percent benchmark	0	0	0
Mobile games
Concentrations and Risks
Number of mobile games concentration over ten percent benchmark	0	0	0
Mobile games | Mobile games | Net revenues
Concentrations and Risks
Concentration risk percentage	21.00%	18.00%	23.00%

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