Consideration for acquisition of crypto asset in the form of tether crypto currency.

No definition available.

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- Definition

Number of restricted and unrestricted crypto asset units increased from purchase.

+ References

No definition available.

+ Details

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- Definition

Number of restricted and unrestricted crypto asset units sold. Excludes crypto asset units held for platform user.

+ References

No definition available.

+ Details

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- Definition

Value of restricted and unrestricted crypto asset units sold. Excludes crypto asset units held for platform user.

+ References

No definition available.

+ Details

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- Definition

Number of units of crypto asset received.

+ References

No definition available.

+ Details

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- Definition

The percentage of ownership under cost method investments.

+ References

No definition available.

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- Definition

Amount of cash outflow for license fees.

+ References

No definition available.

+ Details

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Balance Type:	credit
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- Definition

The percentage of ownership of common stock or equity participation under equity method investment returned.

+ References

No definition available.

+ Details

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- Definition

Prepaid And Other Current Assets [Line Items]

+ References

No definition available.

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- Definition

Prepayments And Deposits

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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- Definition

Amount of cash consideration received from disposal of crypto asset. Excludes crypto asset held for platform user.

+ References

No definition available.

+ Details

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- Definition

Value of shares received as a consideration from disposal of crypto asset. Excludes crypto asset held for platform user.

+ References

No definition available.

+ Details

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- Definition

Amount of cash inflow from restricted shares returned.

+ References

No definition available.

+ Details

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Balance Type:	debit
Period Type:	duration

- Definition

Amount yet to be received from returning the restricted shares.

+ References

No definition available.

+ Details

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- Definition

Amount of fair value of shares returned to the designated holders under tripartite share transfer and purchase agreement.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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- Definition

Number of shares returned to the designated holder under tripartite share transfer and purchase agreement.

+ References

No definition available.

+ Details

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- Definition

Percentage of shares returned to the designated holders under share transfer and purchase agreement.

+ References

No definition available.

+ Details

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- Definition

Amount of accounts receivable, classified as noncurrent, on nonaccrual status.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 16
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-16

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Data Type:	xbrli:monetaryItemType
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- Definition

Amount of allowance for credit loss on receivable, classified as other and current.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(3)(a)(4))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 825
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 28
-Subparagraph (f)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482907/825-10-50-28

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 323
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481687/323-10-50-3

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- Definition

Amount, after allowance, of receivables classified as other, due within one year or the operating cycle, if longer.

+ References

No definition available.

+ Details

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- Definition

Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(9))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

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- Definition

Carrying amount as of the balance sheet date of value added taxes due either from customers arising from sales on credit terms, or as previously overpaid to tax authorities. For classified balance sheets, represents the current amount receivable, that is amounts expected to be collected within one year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(3)(a)(4))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

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- Details

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PREPAYMENTS AND OTHER CURRENT ASSETS, NET (Details) ¥ in Thousands		1 Months Ended					12 Months Ended
	Jul. 30, 2025	Mar. 31, 2026 item	Nov. 30, 2025 USD ($) item shares	Jul. 31, 2025 USD ($) shares	Jun. 30, 2024	Mar. 31, 2024 USD ($) item	Dec. 31, 2025 CNY (¥)	Dec. 31, 2025 USD ($)	Dec. 31, 2025 USD ($)	Dec. 31, 2024 CNY (¥)	May 31, 2020
Prepayments and other current assets
Employee advances							¥ 3,710		$ 530,000	¥ 620
Input VAT recoverable							5,179		741,000	3,767
Prepayments and deposits							4,798		686,000	18,327
Amounts due from intercompany \| ¥										600
Other receivables, credit losses							40,773		5,700,000	39,577
Payment for license fees							720	$ 100,000
EUFT Tokens
Prepayments and other current assets
Purchase of cryptocurrencies \| item			100,000,000
Consideration for acquisition of crypto asset							¥ 3,510	$ 500,000
EUFT Tokens \| Subsequent event
Prepayments and other current assets
Crypto assets, Number of units, Received \| item		100,000,000
Beijing Naonao
Prepayments and other current assets
Percentage of shares acquired				30.00%		21.6969%					30.00%
Percentage of shares acquired returned				21.70%
Proceeds from returning the restricted shares				$ 300,000
Percentage of equity interest	8.30%						8.30%	8.30%
WeiXian
Prepayments and other current assets
Percentage of equity interest			3.33%		19.00%		3.33%	3.33%
Receivables from returning the restricted shares			$ 0.3
Class A ordinary shares \| Beijing Naonao
Prepayments and other current assets
Number of shares returned \| shares				238,725,975
Fair value of shares returned				$ 300,000
Percentage of shares returned				21.70%
Class A ordinary shares \| WeiXian
Prepayments and other current assets
Number of shares returned \| shares			157,100,240
Fair value of shares returned			$ 300,000
Percentage of shares returned			15.67%
SMI CS PTE LTD
Prepayments and other current assets
Crypto asset, number of units sold \| item						200
Crypto asset, sale value of units						$ 200,000
Cash consideration received from disposal of crypto asset						20,000
Value of shares received as a consideration from disposal of crypto asset						$ 180,000
Related party
Prepayments and other current assets
Prepayments and other current assets							¥ 515		74,000
Related party \| Shanghai ZSHX
Prepayments and other current assets
Amounts due from intercompany							500		70,000.00
Employee
Prepayments and other current assets
Amounts due from intercompany							5,856		837,000	3,333
Nonrelated party
Prepayments and other current assets
Prepayments and other current assets							¥ 19,543		$ 2,794,000	¥ 26,047