Share-based compensation (Tables)
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12 Months Ended |
Dec. 31, 2024 |
| Share-based compensation |
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| Schedule of allocation of share-based compensation |
| | | | | | | | | Year Ended December 31, | | | 2022 | | 2023 | | 2024 | | | RMB | | RMB | | RMB | Cost of revenues | | 30,499 | | 12,591 | | 22,692 | Selling, general and administrative | | 59,913 | | 50,812 | | 448,559 | Research and development | | 120,796 | | 72,246 | | 605,333 | Total | | 211,208 | | 135,649 | | 1,076,584 |
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| Summary of activities of RSUs |
| | | | | | | | | Weighted average | | | Number of | | grant date | | | restricted share | | fair value | | | units | | per share | | | | | RMB | Unvested at January 1, 2022 | | 52,964,800 | | 11.4 | Granted | | 37,957,156 | | 19.1 | Vested | | — | | — | Forfeited | | 4,894,880 | | 11.4 | Unvested at January 1, 2023 | | 86,027,076 | | 14.8 | Granted | | 17,955,300 | | 32.2 | Vested | | — | | — | Forfeited | | 10,970,645 | | 16.3 | Unvested at January 1, 2024 | | 93,011,731 | | 17.9 | Granted | | 31,771,808 | | 14.9 | Vested | | 45,555,414 | | 15.1 | Forfeited | | 14,594,231 | | 18.3 | Unvested at December 31, 2024 | | 64,633,894 | | 18.2 | Expected to vest at December 31, 2024 | | 46,955,547 | | 18.3 |
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| Schedule of assumptions used to estimate the fair value of the share options granted |
| | | | | | | | Year ended | | Year ended | | | | December 31, 2021 | | December 31, 2023 | | Grant date fair value of the underlying share (HKD per share) | | 31.2 | | 9.34 | | Exercise price (HKD per share) | | 32.7 | | 9.56 | | Expected term | | 7 years | | 8 years | | Expected volatility | | 48.66 | % | 46.20 | % | Expected dividend yield | | 2 | % | 1.49 | % | Risk free rate | | 0.55 | % | 3.74 | % | Exercise multiple | | 2.8 | | 1.5 | | Expected forfeit rate | | 8.3 | % | 7.0 | % |
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| Summary of activities of the service-based options |
| | | | | | | | | | | | | | | | | Weighted | | Weighted | | | | | | | Weighted | | average | | average | | | | | Number of | | average exercise | | remaining | | grant date | | Aggregate | | | options | | price | | contractual term | | fair value | | intrinsic value | | | | | RMB | | Years | | RMB | | RMB | Outstanding at January 1, 2022 | | 56,420,000 | | 27.3 | | 6.0 | | 10.0 | | — | Granted | | — | | — | | | | | | | Transferred | | 5,330,000 | | 27.3 | | | | 10.0 | | | Exercised | | — | | — | | | | | | | Forfeited | | 8,320,000 | | 27.3 | | | | 10.0 | | | Outstanding at January 1, 2023 | | 53,430,000 | | 27.3 | | 5.0 | | 10.0 | | — | Granted | | 9,300,000 | | 8.7 | | | | 3.9 | | | Transferred | | 1,495,000 | | 26.1 | | | | 9.6 | | | Exercised | | — | | — | | | | | | | Forfeited | | 2,150,000 | | 27.3 | | | | 10.0 | | | Outstanding at January 1, 2024 | | 62,075,000 | | 24.5 | | 4.6 | | 9.1 | | — | Granted | | — | | — | | | | | | | Transferred | | 1,570,000 | | 10.5 | | | | 4.5 | | | Exercised | | 117,750 | | 8.7 | | | | 3.9 | | | Forfeited | | 1,610,000 | | 19.2 | | | | 7.3 | | | Outstanding at December 31, 2024 | | 61,917,250 | | 24.3 | | 3.6 | | 9.0 | | 51,221,400 | | | | | | | | | | | | Expected to vest at December 31, 2024 | | 57,621,519 | | 24.3 | | 3.6 | | 8.9 | | 47,609,041 | Exercisable at December 31, 2024 | | 22,217,500 | | 26.1 | | 3.2 | | 9.6 | | 7,159,939 |
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| Summary of activities of the performance-based RSUs |
| | | | | | | Number of | | Weighted average | | | restricted share | | grant date | | | units | | fair value per share | | | | | RMB | Unvested at January 1, 2022 | | 8,395,805 | | 22.3 | Granted | | — | | — | Transferred | | 2,224,000 | | 22.3 | Vested | | 2,411,489 | | 22.3 | Forfeited | | 720,316 | | 22.3 | Unvested at January 1, 2023 | | 7,488,000 | | 22.3 | Granted | | — | | — | Transferred | | 178,000 | | 22.3 | Vested | | 503,000 | | 22.3 | Forfeited | | 2,309,000 | | 22.3 | Unvested at January 1, 2024 | | 4,854,000 | | 22.3 | Granted | | — | | — | Transferred | | 221,250 | | 22.3 | Vested | | 477,450 | | 22.3 | Forfeited | | 2,152,800 | | 22.3 | Unvested at December 31, 2024 | | 2,445,000 | | 22.3 | Expected to vest at December 31, 2024 | | 443,378 | | 22.3 |
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