Description of Business and Organization - Schedule of Consolidated Assets and Liabilities Information (Details) ¥ in Thousands, $ in Thousands |
Dec. 31, 2025
USD ($)
|
Dec. 31, 2025
CNY (¥)
|
Dec. 31, 2024
CNY (¥)
|
||||
|---|---|---|---|---|---|---|---|
| Current assets | |||||||
| Cash | $ 3,500 | ¥ 21,593 | |||||
| Accounts receivable, net | 135 | 945 | ¥ 733 | ||||
| Prepayments and other current assets | 5,438 | 38,026 | 40,040 | ||||
| Inventory | 329 | 2,301 | 237 | ||||
| Total current assets | 22,038 | 154,115 | 47,218 | ||||
| Property and equipment | 112 | 782 | 1,060 | ||||
| Operating lease right-of-use assets | 520 | 3,635 | 9,589 | ||||
| Other non-current assets | 368 | 2,569 | 3,156 | ||||
| Total non-current assets | 1,000 | 6,986 | 13,805 | ||||
| Total assets | 23,038 | 161,101 | 61,023 | ||||
| CURRENT LIABILITIES | |||||||
| Accounts payable | 745 | 5,213 | 4,398 | ||||
| Contract liabilities, current | 10,828 | 75,718 | 88,103 | ||||
| Shareholder loans, at amortized cost | 9,495 | 66,404 | 248,643 | ||||
| Accrued expenses and other current liabilities | 13,715 | 95,913 | 89,224 | ||||
| Operating lease liabilities, current | 332 | 2,319 | 4,961 | ||||
| Total current liabilities | 44,307 | 309,851 | 479,398 | ||||
| Contract liabilities, non-current | 1,874 | 13,104 | 12,223 | ||||
| Operating lease liabilities, non-current | 52 | 364 | 4,042 | ||||
| Total non-current liabilities | 1,926 | 13,468 | 16,265 | ||||
| Total liabilities | 46,233 | 323,319 | 495,663 | ||||
| VIEs [Member] | |||||||
| Current assets | |||||||
| Cash | 175 | 1,224 | 1,537 | ||||
| Accounts receivable, net | 135 | 945 | 730 | ||||
| Intercompany receivable from parent company | [1] | 771 | 5,394 | 5,394 | |||
| Intercompany receivable from subsidiaries | [1] | 1,648 | 11,527 | 10,898 | |||
| Prepayments and other current assets | 3,387 | 23,685 | 23,190 | ||||
| Inventory | 329 | 2,301 | 27 | ||||
| Total current assets | 6,445 | 45,076 | 41,776 | ||||
| Property and equipment | 39 | 276 | 1,021 | ||||
| Operating lease right-of-use assets | 297 | 2,078 | 6,450 | ||||
| Other non-current assets | 307 | 2,150 | 2,782 | ||||
| Total non-current assets | 643 | 4,504 | 10,253 | ||||
| Total assets | 7,088 | 49,580 | 52,029 | ||||
| CURRENT LIABILITIES | |||||||
| Accounts payable | 713 | 4,987 | 4,077 | ||||
| Contract liabilities, current | 10,828 | 75,718 | 87,989 | ||||
| Short-term borrowings | 1,484 | 10,375 | 5,000 | ||||
| Shareholder loans, at amortized cost | 5,005 | 35,000 | 35,000 | ||||
| Intercompany payable to parent company | [2] | 7,276 | 50,884 | 50,884 | |||
| Intercompany payable to WFOE | [2] | 14,105 | 98,644 | 75,840 | |||
| intercompany payable to subsidiaries | [2] | 4,032 | 28,196 | 28,900 | |||
| Accrued expenses and other current liabilities | 6,489 | 45,379 | 46,172 | ||||
| Operating lease liabilities, current | 202 | 1,414 | 3,614 | ||||
| Total current liabilities | 50,134 | 350,597 | 337,476 | ||||
| Contract liabilities, non-current | 1,874 | 13,104 | 12,223 | ||||
| Operating lease liabilities, non-current | 2,458 | ||||||
| Total non-current liabilities | 1,874 | 13,104 | 14,681 | ||||
| Total liabilities | $ 52,008 | ¥ 363,701 | ¥ 352,157 | ||||
| |||||||
| X | ||||||||||
- Definition Amount of liabilities incurred to vendors for goods and services received, and accrued liabilities classified as other, payable within one year or the normal operating cycle, if longer. No definition available.
|
| X | ||||||||||
- Definition Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Amount of asset recognized for present right to economic benefit. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of asset recognized for present right to economic benefit, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Sum of the carrying amounts as of the balance sheet date of all assets that are expected to be realized in cash, sold or consumed after one year or beyond the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Excludes cash and cash equivalents within disposal group and discontinued operation. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| 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/disclosureRef
|
| X | ||||||||||
- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as noncurrent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Amount of liability recognized for present obligation requiring transfer or otherwise providing economic benefit to others. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Total obligations incurred as part of normal operations that are expected to be paid during the following twelve months or within one business cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount of obligation due after one year or beyond the normal operating cycle, if longer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Present value of lessee's discounted obligation for lease payments from operating lease, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of lessee's right to use underlying asset under operating lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of noncurrent assets classified as other. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of long-term loans classified as other, payable within one year or the operating cycle, if longer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- 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. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition The amount of intercompany payable to parent company. No definition available.
|
| X | ||||||||||
- Definition The amount of intercompany payable to subsidiaries. No definition available.
|
| X | ||||||||||
- Definition The amount of Intercompany payable to WFOE. No definition available.
|
| X | ||||||||||
- Definition Amount of Intercompany receivable from parent company No definition available.
|
| X | ||||||||||
- Definition Amount of intercompany receivable from subsidiaries. No definition available.
|
| X | ||||||||||
- Details
|