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CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (DEFICIT) (Parenthetical) ¥ in Thousands | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2021 CNY (¥) | Dec. 31, 2023 $ / shares | Dec. 31, 2022 $ / shares | Dec. 31, 2021 $ / shares
Class A Ordinary Shares |  |  |  |
Ordinary stock, par value |  | $ 0.001 | $ 0.001 | $ 0.001
Class B Ordinary Shares |  |  |  |
Ordinary stock, par value |  | 0.001 | 0.001 | 0.001
Class C Ordinary Shares |  |  |  |
Ordinary stock, par value |  | 0.001 | 0.001 | 0.001
IPO |  |  |  |
Issuance costs | ¥ | ¥ 46,931 |  |  |
Ordinary Shares |  |  |  |
Ordinary stock, par value |  | $ 0.001 | $ 0.001 | $ 0.001

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