Revenue - Schedule of Revenue (Details) ¥ in Thousands, $ in Thousands	12 Months Ended
Dec. 31, 2025 CNY (¥)	Dec. 31, 2025 USD ($)	Dec. 31, 2024 CNY (¥)	Dec. 31, 2023 CNY (¥)
Schedule of Revenue [Line Items]
Revenue	¥ 354,823	$ 50,739	¥ 339,104	¥ 284,957
Base commission from transactions [Member]
Schedule of Revenue [Line Items]
Revenue	331,623		320,757	269,640
Innovation initiatives and other value-added services [Member]
Schedule of Revenue [Line Items]
Revenue	¥ 23,200		¥ 18,347	¥ 15,317

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.

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- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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