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v3.25.3

Contingencies (Details) $ in Thousands |  |  | 1 Months Ended | 9 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | --- | ---
Apr. 13, 2022 USD ($) | Apr. 13, 2022 CNY (¥) | Jun. 28, 2021 USD ($) | Jun. 28, 2021 CNY (¥) | Nov. 30, 2024 CNY (¥) | Sep. 30, 2025 USD ($) | Sep. 30, 2025 CNY (¥) | Dec. 31, 2024 USD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2022 CNY (¥) | Jun. 28, 2021 CNY (¥)
Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Settlement paid | $ 37,580 | ¥ 261,000,000 |  |  |  |  |  |  |  |  |
Balance from litigation |  |  |  |  |  | $ 2,200 | ¥ 14,204,317 |  |  |  |
Accrued litigation expense | $ |  |  |  |  |  |  |  | $ 2,100 |  |  |
Principal loan amount |  |  | $ 11,060 |  |  |  |  |  |  |  | ¥ 77,000,000
Loan interest |  |  | 350 | ¥ 2,418,449 |  |  |  |  |  |  |
Additional fees |  |  |  |  |  |  |  |  | $ 11,530 | ¥ 80,288,184 |
Enforcement Fee [Member] |  |  |  |  |  |  |  |  |  |  |
Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Additional fees |  |  | 11,530 | 80,288,184 |  |  |  |  |  |  |
Late Fee [Member] |  |  |  |  |  |  |  |  |  |  |
Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Additional fees |  |  | 11,530 | 80,288,184 |  |  |  |  |  |  |
Other Fee [Member] |  |  |  |  |  |  |  |  |  |  |
Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Additional fees |  |  | $ 11,530 | ¥ 80,288,184 |  |  |  |  |  |  |
Yuan [Member] |  |  |  |  |  |  |  |  |  |  |
Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Additional fees | ¥ |  |  |  |  | ¥ 77,000,000 |  |  |  |  |  |

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