Consolidated Statements of Changes in Shareholders’ Deficit (Unaudited) ¥ in Thousands, $ in Thousands |
Ordinary shares
Class B
shares
|
Ordinary shares
USD ($)
shares
|
Ordinary shares
CNY (¥)
shares
|
Additional paid-in capital
USD ($)
|
Additional paid-in capital
CNY (¥)
|
Accumulated other comprehensive loss
USD ($)
|
Accumulated other comprehensive loss
CNY (¥)
|
Accumulated deficit
USD ($)
|
Accumulated deficit
CNY (¥)
|
Total shareholders’ deficit to ordinary shareholders
USD ($)
|
Total shareholders’ deficit to ordinary shareholders
CNY (¥)
|
Non- controlling interests
USD ($)
|
Non- controlling interests
CNY (¥)
|
USD ($) |
CNY (¥) |
||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Balance at Dec. 31, 2022 | ¥ 27 | ¥ (77,397) | ¥ (1,411,227) | ¥ (1,488,597) | ¥ 265 | ¥ (1,488,332) | |||||||||||||
| Balance (in shares) at Dec. 31, 2022 | shares | 396,547,016 | 396,547,016 | |||||||||||||||||
| Net loss | (105,610) | (105,610) | (11) | (105,621) | |||||||||||||||
| Issuance of ordinary shares | ¥ 4 | 51,432 | 51,436 | 51,436 | |||||||||||||||
| Issuance of ordinary shares (in Shares) | shares | 63,600,043 | 63,600,043 | |||||||||||||||||
| Deemed dividend to Series C-2 Redeemable Convertible Preferred Shareholders | (2,872) | (2,872) | (2,872) | ||||||||||||||||
| Deemed dividend to Series D Redeemable Convertible Preferred Shareholders | (915) | (915) | (915) | ||||||||||||||||
| Accretion of redeemable convertible preferred shares | (4,426) | (71,735) | (76,161) | (76,161) | |||||||||||||||
| Fair value changes of financial liabilities due to instrument- specific credit risk, net of nil income taxes | 781 | 781 | 781 | ||||||||||||||||
| Reclassification adjustment for gains on financial liabilities in net income, net of nil income taxes | 1,953 | 1,953 | 1,953 | ||||||||||||||||
| Foreign currency translation adjustment, net of nil income taxes | (24,300) | (24,300) | (24,300) | ||||||||||||||||
| Balance at Dec. 31, 2023 | ¥ 31 | 47,006 | (98,963) | (1,592,359) | (1,644,285) | 254 | (1,644,031) | ||||||||||||
| Balance (in shares) at Dec. 31, 2023 | shares | 460,147,059 | 460,147,059 | |||||||||||||||||
| Net loss | (34,900) | (34,900) | (41) | (34,941) | |||||||||||||||
| Capital contribution from non-controlling interest | 30,000 | 30,000 | |||||||||||||||||
| Deemed dividend to Series C-2 Redeemable Convertible Preferred Shareholders | |||||||||||||||||||
| Deemed dividend to Series D Redeemable Convertible Preferred Shareholders | |||||||||||||||||||
| Accretion of redeemable convertible preferred shares | (88,277) | (88,277) | (88,277) | ||||||||||||||||
| Foreign currency translation adjustment, net of nil income taxes | (432) | (432) | (432) | ||||||||||||||||
| Balance at Dec. 31, 2024 | ¥ 31 | [1] | 47,006 | (99,395) | (1,715,536) | (1,767,894) | 30,213 | (1,737,681) | |||||||||||
| Balance (in shares) at Dec. 31, 2024 | shares | [1] | 460,147,059 | 460,147,059 | ||||||||||||||||
| Net loss | [1] | (46,644) | (46,644) | (733) | $ (6,775) | (47,377) | |||||||||||||
| Share Capital Reclassification | [1] | ||||||||||||||||||
| Share Capital Reclassification (in shares) | shares | [1] | 342,773,160 | (342,773,160) | (342,773,160) | |||||||||||||||
| Conversion of Preferred Shares into Ordinary Shares | ¥ 162 | [1] | 1,505,315 | 1,505,477 | 1,505,477 | ||||||||||||||
| Conversion of Preferred Shares into Ordinary Shares (in shares) | shares | [1] | 2,286,229,707 | 2,286,229,707 | ||||||||||||||||
| Purchase of shares from non-controlling interests | [1] | 118 | 118 | (272) | (154) | ||||||||||||||
| Deemed dividend to Series C-2 Redeemable Convertible Preferred Shareholders | |||||||||||||||||||
| Deemed dividend to Series D Redeemable Convertible Preferred Shareholders | |||||||||||||||||||
| Issuance of common stocks-cash | ¥ 8 | [1] | 116,026 | 116,034 | 116,034 | ||||||||||||||
| Issuance of common stocks-cash (in shares) | shares | [1] | 113,050,000 | 113,050,000 | ||||||||||||||||
| Foreign currency translation adjustment, net of nil income taxes | [1] | 1,483 | 1,483 | 1,483 | |||||||||||||||
| Balance at Dec. 31, 2025 | $ 29 | [1] | ¥ 201 | [1] | $ 238,588 | ¥ 1,668,465 | $ (14,001) | ¥ (97,912) | $ (251,988) | ¥ (1,762,180) | $ (27,372) | ¥ (191,426) | $ 4,177 | ¥ 29,208 | $ (23,195) | ¥ (162,218) | |||
| Balance (in shares) at Dec. 31, 2025 | shares | [1] | 342,773,160 | 2,516,653,606 | 2,516,653,606 | |||||||||||||||
| |||||||||||||||||||
| X | ||||||||||
- Definition Amount of increase in noncontrolling interest from subsidiary issuance of equity interests to noncontrolling interest holders. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Number of shares issued which are neither cancelled nor held in the treasury. No definition available.
|
| X | ||||||||||
- Definition Number of new stock issued during the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Number of shares of stock issued attributable to transactions classified as other. No definition available.
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| X | ||||||||||
- Definition Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Value of shares of stock issued attributable to transactions classified as other. No definition available.
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| X | ||||||||||
- Definition Amount of equity (deficit) attributable to parent and noncontrolling interest. Excludes temporary equity. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Accretion of redeemable convertible preferred share. No definition available.
|
| X | ||||||||||
- Definition Amount of Deemed dividend to Series C Redeemable Convertible Preferred Shareholders. No definition available.
|
| X | ||||||||||
- Definition Amount of Deemed dividend to Series D Redeemable Convertible Preferred Shareholders. No definition available.
|
| X | ||||||||||
- Definition Amount of Fair value changes of financial liabilities due to instrument- specific credit risk, net of nil income taxes. No definition available.
|
| X | ||||||||||
- Definition Amount of Purchase of shares from noncontrolling interests No definition available.
|
| X | ||||||||||
- Definition Amount of Reclassification adjustment for gains on financial liabilities in net income, net of nil income taxes No definition available.
|
| X | ||||||||||
- Definition Represents the Share Capital Reclassification. No definition available.
|
| X | ||||||||||
- Definition Represents the amount of Share Capital Reclassification. No definition available.
|
| X | ||||||||||
- Definition Value of shares of stock issued attributable to conversion of preferred shares into ordinary shares No definition available.
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| X | ||||||||||
- Definition Number of shares of stock issued attributable to transactions classified as other. No definition available.
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