Operations and Principal Activities - major subsidiaries and VIE (Details) ¥ in Millions	Dec. 31, 2025 $ / shares	Apr. 30, 2024 CNY (¥) director
Shareholders of the VIE
Operations and Principal Activities
Purchase price \| $ / shares	$ 10
Equity interest shareholders pledge (in percentage)	100.00%
VIE \| Beijing Zhizhe Tianxia Technology Co, Ltd
Operations and Principal Activities
Minority investment \| ¥		¥ 0.2
Minority shareholder right to appoint number of directors		1
Number of directors of variable interest entity		3
Beijing Radio And Television Station \| VIE \| Beijing Zhizhe Tianxia Technology Co, Ltd
Operations and Principal Activities
Percentage of Non controlling ownership		1.00%

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

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- Definition

Portion of equity (net assets) in a variable interest entity (VIE) not attributable, directly or indirectly, to the parent entity. That is, this is the portion of equity in a VIE that is attributable to the noncontrolling interest (previously referred to as minority interest).

+ References

No definition available.

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- Definition

Price of a single share of a number of saleable stocks of a company.

+ References

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 810
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481203/810-10-50-3

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 810
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-Name Accounting Standards Codification
-Section 45
-Paragraph 25
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481231/810-10-45-25

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 810
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-Name Accounting Standards Codification
-Section 50
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481203/810-10-50-3

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 810
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-Name Accounting Standards Codification
-Section 45
-Paragraph 25
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481231/810-10-45-25

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 860
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 1A
-Subparagraph (b)(1)(i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481420/860-30-50-1A

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
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-URI https://asc.fasb.org/1943274/2147481420/860-30-50-1A

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481420/860-30-50-1A

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- Definition

The percentage of equity interest of shareholders pledged.

+ References

No definition available.

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- Definition

The number of directors can be appointed by the noncontrolling interest of the variable interest entity.

+ References

No definition available.

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- Definition

Represents the total number of directors in the variable interest entity.

+ References

No definition available.

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