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Short-term Investments (Tables) | 12 Months Ended
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Dec. 31, 2024
Short-term Investments |
Summary of Short-term Investments | ​
​ | ​ | ​ | ​ | ​
​ |  | As of December 31,
​ | ​ | 2023 |  | 2024
​ | ​ | RMB | ​ | RMB
Held-to-maturity investments |  | 1,327,977 |  | 1,027,846
Investments under fair value option | ​ | 1,668,550 | ​ | 584,773
Total |  | 2,996,527 |  | 1,612,619

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