Share-Based Compensation (Tables)
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12 Months Ended |
Dec. 31, 2024 |
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| Share-Based Compensation |
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| Schedule of assumptions used to estimate the fair value of options |
| | | | | | | | | For the years ended December 31, | | | 2022 | | 2023 | | 2024 | | | | | | | | Risk-free interest rates | | 1.52%-4.08% | | 3.81%-5.13% | | 4.14%-4.85% | Expected volatility | | 46.29%-50.26% | | 50.31%-50.55% | | 50.22%-50.39% | Expected dividend yield | | 0% | | 0% | | 0% | Exercise multiple | | 2.80 | | 2.80 | | 2.80 | Post-vesting forfeit rate | | 0% | | 0% | | 0% | Fair value of underlying ordinary shares | | $10.6625-$17.8550 | | $17.1475-$36.3175 | | $24.0275-$36.4100 | Fair value of share option | | $10.6560-$17.8485 | | $17.1425-$36.3127 | | $24.0226-$36.4051 |
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| Schedule of recognized share-based compensation expenses |
| | | | | | | | | | | For the years ended December 31, | | | 2022 | | 2023 | | 2024 | | 2024 | | | RMB | | RMB | | RMB | | US$ | Costs of revenues | | 33,788 | | 132,470 | | 412,721 | | 56,543 | Sales and marketing expenses | | 2,158,676 | | 2,354,097 | | 2,216,792 | | 303,699 | General and administrative expenses | | 3,004,327 | | 2,289,272 | | 4,742,816 | | 649,763 | Research and development expenses | | 2,521,574 | | 2,302,955 | | 2,511,235 | | 344,038 | | | 7,718,365 | | 7,078,794 | | 9,883,564 | | 1,354,043 |
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| Employee Stock Option |
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| Share-Based Compensation |
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| Schedule of share-based compensation activities |
| | | | | | | | | | | | | | | | | | | | | Weighted | | | | | Weighted | | Weighted | | | | average | | | | | average | | average | | Aggregate | | remaining | | | Number of | | exercise | | grant date | | intrinsic | | contractual | | | share options | | price | | fair value | | value | | term | | | | | US$ | | US$ | | US$ | | Years | Outstanding as of December 31, 2023 | | 415,445,632 | | 0.0065 | | 10.4340 | | 15,193,262 | | 15.71 | Granted | | 11,047,000 | | 0.0065 | | 30.9747 | | | | | Forfeited | | (8,614,000) | | 0.0065 | | 7.9589 | | | | | Exercised | | (27,456,108) | | 0.0065 | | 4.5281 | | | | | Outstanding as of December 31, 2024 | | 390,422,524 | | 0.0065 | | 11.4851 | | 9,464,232 | | 14.93 | Vested and expected to vest as of December 31, 2024 | | 390,422,524 | | 0.0065 | | 11.4851 | | 9,464,232 | | 14.93 | Exercisable as of December 31, 2024 | | 291,135,489 | | 0.0065 | | 7.0678 | | 7,057,415 | | 13.70 |
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| RSUs |
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| Share-Based Compensation |
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| Schedule of share-based compensation activities |
| | | | | | | | | Weighted | | | | | average grant | | | Number of RSUs | | date fair value | | | | | US$ | Outstanding as of December 31, 2023 | | 88,462,616 | | 18.8600 | Granted | | 12,748,476 | | 30.6378 | Vested | | (28,508,800) | | 18.7268 | Forfeited | | (4,960,944) | | 18.3092 | Outstanding as of December 31, 2024 | | 67,741,348 | | 21.1730 |
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