Other gains, net (Details) ¥ in Thousands, $ in Thousands	12 Months Ended
Dec. 31, 2024 CNY (¥)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 CNY (¥)	Dec. 31, 2022 CNY (¥)
Other gains, net
Non-operating income	¥ 22,730		¥ 24,416	¥ 7,617
Non-operating expenses	(1,802)		(333)	(300)
Total	¥ 20,928	$ 2,867	¥ 24,083	¥ 7,317

The gains (losses) that the entity does not separately disclose in the same statement or note.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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