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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+ Details

- 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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+ Details

Segments - Schedule of Disaggregated Information of Revenues by Geographic Locations (Details)	6 Months Ended
	Jun. 30, 2026 USD ($)	Jun. 30, 2026 CNY (¥)	Jun. 30, 2025 CNY (¥)
Schedule of Disaggregated Information of Revenues by Geographic Locations [Line Items]
Total revenues	$ 20,080,135	¥ 136,763,790	¥ 188,240,855
Operating Segments [Member]
Schedule of Disaggregated Information of Revenues by Geographic Locations [Line Items]
Total revenues	20,080,135	136,763,790	188,240,855
Mainland PRC revenues [Member] \| Operating Segments [Member]
Schedule of Disaggregated Information of Revenues by Geographic Locations [Line Items]
Total revenues	10,911,501	74,317,144	142,929,032
Hong Kong revenues [Member] \| Operating Segments [Member]
Schedule of Disaggregated Information of Revenues by Geographic Locations [Line Items]
Total revenues	9,168,634	62,446,646	45,311,823
International revenues [Member] \| Operating Segments [Member]
Schedule of Disaggregated Information of Revenues by Geographic Locations [Line Items]
Total revenues