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v3.22.1

Condensed Financial Information of the Parent Company - Condensed Balance Sheets (Detail) | Dec. 31, 2021 CNY (¥) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 CNY (¥) | Dec. 31, 2019 CNY (¥) | Jan. 01, 2019 CNY (¥) | Dec. 31, 2018 CNY (¥)
--- | --- | --- | --- | --- | --- | ---
Current assets |  |  |  |  |  |
Cash and cash equivalents | ¥ 1,434,806,922 | $ 225,152,516 | ¥ 1,426,899,576 | ¥ 2,002,314,688 |  |
Short-term investments | 2,598,935,704 | 407,829,725 | 4,342,356,612 |  |  |
Other current assets | 18,857,709 | 2,959,187 | 24,467,956 |  |  |
Total current assets | 7,607,930,351 | 1,193,850,290 | 8,899,049,546 |  |  |
Non-current assets |  |  |  |  |  |
Total non-current assets | 3,339,173,681 | 523,989,217 | 3,246,883,053 |  |  |
TOTAL ASSETS | 10,947,104,032 | 1,717,839,507 | 12,145,932,599 |  |  |
Current liabilities |  |  |  |  |  |
Other current liabilities | 50,495,262 | 7,923,811 | 27,255,779 |  |  |
Total current liabilities | 3,417,702,889 | 536,312,164 | 2,457,296,626 |  |  |
Total liabilities | 3,956,537,211 | 620,867,027 | 3,770,723,462 |  |  |
Shareholders' equity |  |  |  |  |  |
Treasury shares | 485,263,213 | 76,148,387 | 56,419,225 |  |  |
Additional paid-in capital | 4,671,769,821 | 733,102,630 | 4,591,455,557 |  |  |
Accumulated other comprehensive income | (187,517,110) | (29,425,526) | (115,386,427) |  |  |
Retained earnings | 2,991,373,063 | 469,411,710 | 3,955,354,972 |  |  |
Total shareholders' equity | 6,990,566,821 | 1,096,972,480 | 8,375,209,137 | ¥ 5,491,660,291 | ¥ 17,585,853 | ¥ 5,255,366,828
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY | 10,947,104,032 | 1,717,839,507 | 12,145,932,599 |  |  |
Common Class A [Member] |  |  |  |  |  |
Shareholders' equity |  |  |  |  |  |
Ordinary shares | 154,483 | 24,242 | 154,483 |  |  |
Common Class B [Member] |  |  |  |  |  |
Shareholders' equity |  |  |  |  |  |
Ordinary shares | 49,777 | 7,811 | 49,777 |  |  |
Parent Company [Member] |  |  |  |  |  |
Current assets |  |  |  |  |  |
Cash and cash equivalents | 857,888,496 | 134,621,425 | 114,892,815 |  |  |
Short-term investments | 1,679,107,862 | 263,488,664 | 4,045,157,224 |  |  |
Short-term amounts due from related parties | 738,960,885 | 115,959,088 | 619,608,050 |  |  |
Other current assets | 1,964,886 | 308,333 | 3,578,607 |  |  |
Total current assets | 3,277,922,129 | 514,377,510 | 4,783,236,696 |  |  |
Non-current assets |  |  |  |  |  |
Investments in subsidiaries, VIE and VIE's subsidiaries | 3,717,140,362 | 583,300,439 | 3,596,657,570 |  |  |
Total non-current assets | 3,717,140,362 | 583,300,439 | 3,596,657,570 |  |  |
TOTAL ASSETS | 6,995,062,491 | 1,097,677,949 | 8,379,894,266 |  |  |
Current liabilities |  |  |  |  |  |
Other current liabilities | 4,495,670 | 705,469 | 4,685,129 |  |  |
Total current liabilities | 4,495,670 | 705,469 | 4,685,129 |  |  |
Total liabilities | 4,495,670 | 705,469 | 4,685,129 |  |  |
Shareholders' equity |  |  |  |  |  |
Treasury shares | (485,263,213) | (76,148,387) | (56,419,225) |  |  |
Additional paid-in capital | 4,671,769,821 | 733,102,630 | 4,591,455,557 |  |  |
Accumulated other comprehensive income | (187,517,110) | (29,425,526) | (115,386,427) |  |  |
Retained earnings | 2,991,373,063 | 469,411,710 | 3,955,354,972 |  |  |
Total shareholders' equity | 6,990,566,821 | 1,096,972,480 | 8,375,209,137 |  |  |
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY | 6,995,062,491 | 1,097,677,949 | 8,379,894,266 |  |  |
Parent Company [Member] | Common Class A [Member] |  |  |  |  |  |
Shareholders' equity |  |  |  |  |  |
Ordinary shares | 154,483 | 24,242 | 154,483 |  |  |
Parent Company [Member] | Common Class B [Member] |  |  |  |  |  |
Shareholders' equity |  |  |  |  |  |
Ordinary shares | ¥ 49,777 | $ 7,811 | ¥ 49,777 |  |  |

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