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Summary of Significant Accounting Policies - Schedule of Revenue Type (Details) ¥ in Thousands, $ in Thousands	6 Months Ended
	Jun. 30, 2025 CNY (¥)	Jun. 30, 2025 USD ($)	Jun. 30, 2024 CNY (¥)
Revenue type:
Total revenue	¥ 413,922	$ 57,781	¥ 448,839
Out of Home Advertising [Member]
Revenue type:
Total revenue	356,893		302,376
Local Life - Retail Sales [Member]
Revenue type:
Total revenue	56,640		145,374
Local Life (non-retail) [Member]
Revenue type:
Total revenue	22		127
Others [Member]
Revenue type:
Total revenue	¥ 367		¥ 962

X

- 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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