Summary of Significant Accounting Policies (Details) |
6 Months Ended | ||||
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Jun. 30, 2026
CNY (¥)
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Jun. 30, 2025
CNY (¥)
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Jun. 30, 2026
USD ($)
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Jun. 30, 2026
CNY (¥)
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Dec. 31, 2025
CNY (¥)
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| Summary of Significant Accounting Policies [Line Items] | |||||
| Cash and cash equivalents | $ 1,315,173 | ¥ 8,957,513 | ¥ 8,502,357 | ||
| Restricted cash | 1,347,795 | ||||
| Impairment of long-lived assets | |||||
| Allowance for sales | |||||
| Contract liabilities | 63,000,107 | 69,314,154 | |||
| Revenue recognized | 398,418 | 2,481,345 | |||
| Advertising and promotion cost | 1,176,089 | 650,802 | |||
| Shipping and handling costs | ¥ 82,345 | ¥ 67,285 | |||
| Segment Reporting, Expense Information Used by CODM, Description | The Company’s CODM has been identified as the chief executive officer of the Company who reviews financial information of operating segments based on U.S. GAAP. The CODM now reviews results analyzed by revenue streams. | ||||
| Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration] | Chief Executive Officer | ||||
| Operating segment | 1 | ||||
| Cryptocurrencies, non-current | $ 38,141,836 | ¥ 259,780,228 | ¥ 424,743,318 | ||
| RMB [Member] | |||||
| Summary of Significant Accounting Policies [Line Items] | |||||
| Exchange rates | 6.8109 | 6.8109 | |||
| X | ||||||||||
- Definition Shipping and handling costs. No definition available.
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| X | ||||||||||
- Definition Amount of cash and cash equivalent. 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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition 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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- 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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Fair value of crypto asset classified as noncurrent. Excludes crypto asset held for platform user. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Foreign exchange rate used to translate amounts denominated in functional currency to reporting currency. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of impairment loss for long-lived asset held and used. Includes, but is not limited to, impairment loss for long-lived asset to be disposed of other than by sale. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The total expense recognized in the period for promotion, public relations, and brand or product advertising. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- 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. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of cash restricted as to withdrawal or usage, classified as current. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of allowance for credit loss on net investment in sales-type lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Indicates title and position of individual or name of group identified as chief operating decision maker (CODM) for segment reporting. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Description of nature of expense information used by chief operating decision maker (CODM) to manage operation when segment expense information by category is not disclosed. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Details
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