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v3.21.1

Subsequent events (Details) ¥ / shares in Units, ¥ in Millions |  |  |  | 13 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Jan. 27, 2021 CNY (¥) | Jan. 21, 2021 ¥ / shares shares | Nov. 20, 2018 $ / shares shares | Aug. 31, 2020 shares | Jan. 31, 2021 CNY (¥) | Sep. 03, 2018 CNY (¥)
Subsequent Event [Line Items] |  |  |  |  |  |
Number of shares issued | shares |  |  |  | 80,000 |  |
Class A ordinary shares |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |
Number of shares issued | shares |  |  | 10,400,000 |  |  |
Share price per ADS | $ / shares |  |  | $ 7.80 |  |  |
Subsequent events | Class A ordinary shares |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |
Number of shares issued | shares |  | 16 |  |  |  |
Share price per ADS | ¥ / shares |  | ¥ 4.25 |  |  |  |
Fat Magpie (Beijing) technology Co., Ltd. ("Fat Magpie") | Subsequent events |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |
Consideration for disposal of equity investments without readily determinable fair values | ¥ | ¥ 5.4 |  |  |  |  |
Shanghai Three Drivers Culture Media Co Limited [Member] |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |
Investment in cash | ¥ |  |  |  |  |  | ¥ 4.0
Equity Method Investment, Ownership Percentage |  |  |  |  |  | 40.00%
Shanghai Three Drivers Culture Media Co Limited [Member] | Subsequent events |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |
Investment in cash | ¥ |  |  |  |  | ¥ 2.3 |
Percentage of additional equity interest |  |  |  |  | 9 |
Equity Method Investment, Ownership Percentage |  |  |  |  | 49.00% |

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