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Concentration of Risk (Details) ¥ in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2024 CNY (¥)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 CNY (¥)	Dec. 31, 2022	Dec. 31, 2024 HKD ($)
Concentration of Risk [Line Items]
Credit risk financial instruments	¥ 242,359	$ 33,203	¥ 199,822
Deposit insurance \| ¥	¥ 500,000
Bank deposits \| $					$ 500,000
Customer Concentration Risk [Member] \| One Customer [Member] \| Total Revenue [Member]
Concentration of Risk [Line Items]
Percentage of total revenue				11.20%
Customer Concentration Risk [Member] \| One Vendor [Member] \| Purchases [Member]
Concentration of Risk [Line Items]
Percentage of total revenue			10.00%
Customer Concentration Risk [Member] \| One Vendor [Member] \| Accounts Payable [Member]
Concentration of Risk [Line Items]
Percentage of total revenue			11.10%