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Summary of Significant Accounting Policies - Schedule of Customer Accounts Receivable and Contract Assets (Details) - Accounts receivable and contract assets - Concentration of Credit Risk - CNY (¥) ¥ in Thousands | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023
Customer C |  |
Significant Risk and Uncertainties |  |
Accounts receivable and contract Assets |  | ¥ 168,394
Concentration Risk, Percentage |  | 12.02%
Customer D |  |
Significant Risk and Uncertainties |  |
Accounts receivable and contract Assets | ¥ 234,744 |
Concentration Risk, Percentage | 15.76% |

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