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Consolidated Statements of Changes in Shareholders' (Deficit)/Equity (Parenthetical) - shares |  | 12 Months Ended
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Aug. 15, 2024 | Dec. 31, 2024
Ordinary shares [Member] |  |  |
Re-designation of ordinary shares into Class A and Class B ordinary shares upon IPO, shares | [1] |  | (48,253,425)
Class B ordinary shares [Member] | Ordinary shares [Member] |  |  |
Re-designation of ordinary shares into Class A and Class B ordinary shares upon IPO, shares | [1] |  | 16,931,824
Class A ordinary shares [Member] |  |  |
Re-designation of ordinary shares into Class A and Class B ordinary shares upon IPO, shares |  | 125,154,172 |
Class A ordinary shares [Member] | Ordinary shares [Member] |  |  |
Re-designation of ordinary shares into Class A and Class B ordinary shares upon IPO, shares | [1] |  | 31,321,601
[1] | Redesignation of ordinary shares into Class A and Class B ordinary shares upon IPO includes (i) re-designation of 16,931,824 ordinary shares held by Unicentury Holdings Limited beneficially owned by Mr. Xiaoyan Lu into Class B ordinary shares on a one-for-one basis; (ii) re-designation of all of 31,321,601 outstanding ordinary shares into Class A ordinary shares on a one-for-one basis

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- Definition The number of shares converted in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482913/230-10-50-4 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482913/230-10-50-3 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482913/230-10-50-5 + Details
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