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- Definition

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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- Definition

The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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- Definition

Gross number of share options (or share units) granted during the period.

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- Definition

Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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- Definition

Number of options outstanding, including both vested and non-vested options.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
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-Section 50
-Paragraph 2
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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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No definition available.

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- Definition

Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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- References

No definition available.

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- Definition

Weighted average price at which option holders acquired shares when converting their stock options into shares.

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- Definition

Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

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- Definition

Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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- Definition

Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 718
-SubTopic 10
-Subparagraph (e)(1)
-Name Accounting Standards Codification
-Paragraph 2
-Section 50
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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- Definition

Number of share options (or share units) exercised during the current period.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-SubTopic 10
-Topic 505
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-Topic 210
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Share-based Compensation - Share options activities (Details) ¥ in Thousands	12 Months Ended
	Dec. 31, 2025 $ / shares	Dec. 31, 2025 CNY (¥) shares	Dec. 31, 2024 $ / shares	Dec. 31, 2024 CNY (¥) shares	Dec. 31, 2023 $ / shares	Dec. 31, 2023 CNY (¥) shares	Dec. 31, 2022 CNY (¥) shares	Dec. 31, 2025 CNY (¥) shares
the 2018 Plan
Share options activities
Granted (in shares)		0
Employee Stock Option [Member]
Share options activities
Beginning balance (in shares)		13,110,000		17,939,000		21,910,000
Exercised (in shares)		(1,660,000)		(3,696,000)		(2,211,000)
Forfeited (in shares)		(400,000)		(1,133,000)		(1,760,000)
Ending balance (in shares)		11,050,000		13,110,000		17,939,000	21,910,000
Exercisable (in shares)								8,880,000
Weighted Average Exercise Price
Beginning balance (in USD/shares) \| $ / shares	$ 1.6543		$ 2.4701		$ 2.0283
Exercised (in USD/shares) \| $ / shares	0.5527		0.3911		0.0001
Forfeited (in USD/shares) \| $ / shares	3.719		0.6909		0.1443
Ending balance (in USD/shares) \| $ / shares	1.7386		$ 1.6543		$ 2.4701
Exercisable (in USD/shares) \| $ / shares	$ 1.8711
Additional Disclosures
Weighted Average Remaining Contractual Life (In years)		1 year 10 months 13 days		2 years 10 months 6 days		3 years 9 months 14 days	4 years 8 months 12 days
Weighted Average Remaining Contractual Life, Exercisable (In years)		1 year 8 months 15 days
Aggregate Intrinsic Value, Beginning balance \| ¥		¥ 1,550,782		¥ 1,232,411		¥ 3,305,336
Aggregate Intrinsic Value, Ending balance \| ¥		¥ 1,774,828		¥ 1,550,782		¥ 1,232,411	¥ 3,305,336
Aggregate Intrinsic Value, Exercisable \| ¥								¥ 1,290,266
Employees \| Employee Stock Option [Member]
Share options activities
Beginning balance (in shares)		13,000,000		17,808,000		21,715,000
Exercised (in shares)		(1,634,000)		(3,689,000)		(2,147,000)
Forfeited (in shares)		(400,000)		(1,119,000)		(1,760,000)
Ending balance (in shares)		10,966,000		13,000,000		17,808,000	21,715,000
Exercisable (in shares)								8,821,000
Consultants \| Employee Stock Option [Member]
Share options activities
Beginning balance (in shares)		110,000		131,000		195,000
Exercised (in shares)		(26,000)		(7,000)		(64,000)
Forfeited (in shares)				(14,000)
Ending balance (in shares)		84,000		110,000		131,000	195,000
Exercisable (in shares)								59,000