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v3.25.2

Summary of Significant Accounting Policies - Additional Information (Details) | 12 Months Ended |  |  |
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Feb. 28, 2025 CNY (¥) Segment | Feb. 28, 2025 USD ($) Segment | Feb. 29, 2024 CNY (¥) Segment | Feb. 29, 2024 USD ($) Segment | Feb. 28, 2023 CNY (¥) Segment | Feb. 28, 2023 USD ($) Segment | Feb. 28, 2025 USD ($) | Feb. 29, 2024 USD ($) | Feb. 28, 2022 CNY (¥)
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |
Cash and cash equivalents and restricted cash denominated in RMB | ¥ 339,295,000 |  | ¥ 302,246,000 |  | ¥ 177,058,000 |  | $ 46,589,000 | $ 41,501,000 | ¥ 272,702,000
Foreign currency translation exchange rate | 7.2828 |  |  |  |  |  | 7.2828 |  |
Cash and cash equivalents | ¥ 210,771,000 |  | 180,198,000 |  | 175,696,000 |  | $ 28,941,000 |  |
Unrealized holding gain (loss) in investments | 2,022,000 | $ 278,000 | 3,910,000 |  | (3,794,000) |  |  |  |
Realized gain (loss) in investments | (3,062,000) | (420,000) | 3,207,000 |  | 1,867,000 |  |  |  |
Impairment loss for equity investments without readily determinable fair value | 0 |  | 500,000 |  | 0 |  |  |  |
Impairment loss on intangible asset | 0 |  | 0 |  | 0 |  |  |  |
Impairment loss of property and equipment recognized | 0 |  | 3,674,000 |  | 0 |  |  |  |
Loss from goodwill impairment | 0 |  | 0 |  | 0 |  |  |  |
Refund liability | 1,039,000 |  | 454,000 |  |  |  | 143,000 |  |
Contract assets | 0 |  | 0 |  |  |  |  |  |
Contract liabilities | 27,941,000 |  | 18,023,000 |  |  |  | 3,837,000 |  |
Deferred revenue recognized |  |  | 18,023,000 |  | 7,269,000 |  |  | $ 2,475,000 | ¥ 6,492,000
Advertising expenses | ¥ 7,129,000 | $ 979,000 | 4,417,000 |  | 2,708,000 |  |  |  |
Operating lease, option to extend | The Group’s leases have lease terms of up to eight years, which includes lessee options to extend the lease, only to the extent it is reasonably certain that the Group will exercise such extension options. | The Group’s leases have lease terms of up to eight years, which includes lessee options to extend the lease, only to the extent it is reasonably certain that the Group will exercise such extension options. |  |  |  |  |  |  |
Operating lease impairment | ¥ 0 | $ 0 | 0 | $ 0 | 0 | $ 0 |  |  |
Income recognized from government subsidies | ¥ 1,413,000 | $ 194,000 | ¥ 728,000 |  | ¥ 1,412,000 |  |  |  |
Description of uncertain income tax position | An uncertain income tax position will not be recognized if it has less than a 50% likelihood of being sustained. | An uncertain income tax position will not be recognized if it has less than a 50% likelihood of being sustained. |  |  |  |  |  |  |
Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration] | srt:BoardOfDirectorsChairmanMember, srt:ChiefExecutiveOfficerMember | srt:BoardOfDirectorsChairmanMember, srt:ChiefExecutiveOfficerMember |  |  |  |  |  |  |
Number of operating segments | Segment | 3 | 3 | 3 | 3 | 3 | 3 |  |  |
Restricted Cash Frozen in Relation to a Legal Case |  |  |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |
Restricted cash | ¥ 496,000 |  | ¥ 0 |  |  |  | 68,000 |  |
Restricted Cash under Government Regulations |  |  |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |
Restricted cash | 579,000 |  | 576,000 |  |  |  | 80,000 |  |
Restricted Cash as Guarantee Deposits for Long-term Borrowings |  |  |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |
Restricted cash | ¥ 127,449,000 |  | 121,472,000 |  |  |  | $ 17,500,000 |  |
Maximum |  |  |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |
Operating lease, lease term | 12 months |  |  |  |  |  | 12 months |  |
Amount Due from Related Parties and Other Non-current Assets |  |  |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts | ¥ 652,000 | $ 501,000 | ¥ 4,755,000 |  |  |  |  |  |
VIEs |  |  |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |
Percentage of revenue contributed of consolidated revenue | 99.80% | 99.80% | 99.30% | 99.30% | 97.60% | 97.60% |  |  |
Percentage of assets accounted of audited consolidated assets | 33.60% |  | 13.60% |  |  |  | 33.60% | 13.60% |
Percentage of liabilities accounted of audited consolidated liabilities | 95.80% |  | 65.00% |  |  |  | 95.80% | 65.00% |
Assets held only to settle obligations | ¥ 0 |  |  |  |  |  |  |  |
Cash and cash equivalents and restricted cash denominated in RMB | ¥ 103,875,000 |  | ¥ 102,503,000 |  |  |  | $ 14,263,000 |  |

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