Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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Amount of realized loss from sale of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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Amount of unrealized gain (loss) on investment in marketable security.

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Amount of revenue and income classified as other.

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Short-term investments - Additional Information (Details) ¥ in Thousands, $ in Thousands			12 Months Ended
	Jul. 01, 2024 CNY (¥)	Jul. 01, 2024 USD ($)	Dec. 31, 2024 CNY (¥)	Dec. 31, 2023 CNY (¥)	Dec. 31, 2022 CNY (¥)
Short-term investments
Loss on fair value change of the investments	¥ 6,308	$ 864
Other (loss)/income, net
Short-term investments
(Loss) and gain on fair value change of the investment in fund				¥ 5,507	¥ (47,487)
Structured Notes
Short-term investments
Other income			¥ 0	¥ 2,386	¥ 3,411