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Prepaid Expense and Other Assets - Summary of Prepaid Expense and Other Assets (Details) ¥ in Thousands, $ in Thousands | Dec. 31, 2024 CNY (¥) | Dec. 31, 2024 USD ($) | Dec. 31, 2023 CNY (¥) | Dec. 31, 2022 CNY (¥)
--- | --- | --- | --- | ---
Prepaid Expense and Other Assets |  |  |  |
Prepayments and deposits | ¥ 86,043 |  | ¥ 87,444 |
Fund receivable from external payment network providers | 50,781 |  | 59,929 |
Advances to suppliers | 30,897 |  | 40,982 |
Value-added tax recoverable | 20,507 |  | 14,607 |
Option exercise proceeds receivable and withholding IIT | 9,926 |  | 6,477 |
Others | 39,141 |  | 35,386 |
Total | 237,295 |  | 244,825 |
Less: impairment provision | (40,000) |  | (40,000) | ¥ (39,372)
Less: allowance for doubtful accounts | (14,654) |  | (14,979) | ¥ (12,635)
Prepaid expense and other assets, net | ¥ 182,641 | $ 25,020 | ¥ 189,846 |

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