The number of suppliers.

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- Definition

Percentage of depreciation of functional currency against reporting currency.

+ References

No definition available.

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Summary of significant accounting policies.

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No definition available.

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- Definition

Amount of cash and cash equivalent, and cash and cash equivalent restricted to withdrawal or usage; attributable to continuing operation. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate.

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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-Subparagraph (b)
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- Definition

Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.

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-Topic 606
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-Paragraph 8
-Subparagraph (b)
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- Definition

Cost of crypto asset. Excludes crypto asset held for platform user.

+ References

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-Topic 350
-SubTopic 60
-Name Accounting Standards Codification
-Section 50
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-Publisher FASB
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-SubTopic 60
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- Definition

Cost of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). Excludes equity method investment and investment in equity security without readily determinable fair value.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(1))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1

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- Definition

Foreign exchange rate used to translate amounts denominated in functional currency to reporting currency.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 830
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- Definition

Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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- Definition

Amount of transaction price allocated to performance obligation that has not been recognized as revenue.

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-Name Accounting Standards Codification
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- Definition

Period in which remaining performance obligation is expected to be recognized as revenue, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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- Definition

Amount of investments including trading securities, available-for-sale securities, held-to-maturity securities, and short-term investments classified as other and current.

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Summary of Significant Accounting Policies (Details) ¥ in Thousands, $ in Thousands	6 Months Ended			12 Months Ended
	Jun. 30, 2026 CNY (¥) segment item ¥ / $	Jun. 30, 2026 USD ($) segment	Jun. 30, 2025 item	Dec. 31, 2025 CNY (¥)	Jun. 30, 2026 USD ($) item ¥ / $	Dec. 31, 2025 USD ($)
Summary Of significant accounting policies
Foreign currency exchange rate \| ¥ / $	6.7851				6.7851
Aggregate cost of digital assets	¥ 571				$ 84
Revenue Recognized	65,647	$ 9,675		¥ 49,178
Unsatisfied performance obligation	¥ 78,993			83,544	11,642
Depreciation of the US$ against RMB (in percentage)	2.97%	2.97%
Number of operating segment	1	1
Number of reportable segment	1	1
Private equity fund	¥ 5,000			5,000	737
Short-term Investments.	10,062			5,090	1,483
Geographic Concentration Risk \| Cash, Geographic Area \| CHINA
Summary Of significant accounting policies
Aggregate amount of cash and cash equivalents, and restricted cash	124,938			¥ 134,120	18,415
Geographic Concentration Risk \| Cash, Geographic Area \| Outside China
Summary Of significant accounting policies
Aggregate amount of cash and cash equivalents, and restricted cash	¥ 41,826				$ 6,164	$ 5,621
Supplier Concentration Risk \| Number of Suppliers \| Three Suppliers
Summary Of significant accounting policies
Concentration risk, percentage	37.90%	37.90%	51.60%
Number of suppliers \| item	3		3		3
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-07-01
Summary Of significant accounting policies
Remaining performance obligations as revenues (in years)	2 years				2 years