Amount of principal refund.

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Share of gain (loss) in equity method investees.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

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The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.

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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.

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Long Term Investments (Details) ¥ in Thousands, $ in Thousands				6 Months Ended			12 Months Ended
	Mar. 14, 2024 CNY (¥)	Sep. 06, 2023 USD ($)	Jul. 19, 2023 CNY (¥)	Jun. 30, 2025 CNY (¥)	Jun. 30, 2025 USD ($)	Jun. 30, 2024 CNY (¥)	Dec. 31, 2024 CNY (¥)	Jun. 18, 2025 CNY (¥)	Apr. 21, 2025 CNY (¥)	Mar. 12, 2024 CNY (¥)	Sep. 06, 2023 CNY (¥)	Sep. 06, 2023 USD ($)	Jul. 03, 2023 CNY (¥)	Jan. 17, 2023 CNY (¥)	Dec. 19, 2022 CNY (¥)	Dec. 09, 2022 CNY (¥)	Dec. 23, 2021 CNY (¥)	Oct. 09, 2021 CNY (¥)	May 27, 2021 CNY (¥)	Dec. 31, 2020 CNY (¥)
Long Term Investments [Line Items]
Principal refund				¥ 888
Shares of loss				(971)	$ (136)		¥ (5,742)
Zhejiang Qusu Technology Co., Ltd [Member]
Long Term Investments [Line Items]
Investment for equity interest																				¥ 5,000
Equity interest, ownership percentage																				1.70%
Qingdao Weilai JingChanye Investment Fund LP [Member]
Long Term Investments [Line Items]
Investment for equity interest																			¥ 10,000
Equity interest, ownership percentage																			4.44%
Chengdu Tianfu Yuanhe Jingu Venture Capital Center LP [Member]
Long Term Investments [Line Items]
Investment for equity interest																¥ 5,000
Equity interest, ownership percentage																1.12%
Banyou Century (Hangzhou) Technology Co., Ltd [Member]
Long Term Investments [Line Items]
Investment for equity interest															¥ 25,000
Equity interest, ownership percentage													19.2308%		7.6923%
Qingdao Sixiang Zhuohong Private Equity LP [Member]
Long Term Investments [Line Items]
Equity interest, ownership percentage										6.00%			11.5385%
Investment amount under agreement										¥ 13,500			¥ 37,500					¥ 150,000
Payments for purchase of equity interest	¥ 13,500		¥ 37,500
Shares of loss				747	105	¥ 742
Hainan Jiuhe Huiyuan No.1 Fund Partnership [Member]
Long Term Investments [Line Items]
Investment for equity interest									¥ 5,000					¥ 3,500
Equity interest, ownership percentage																		3.26%
Investment amount under agreement																		¥ 8,500
Shenzhen Leyishang E-commerce Co., Ltd [Member]
Long Term Investments [Line Items]
Investment for equity interest																	¥ 2,000
Equity interest, ownership percentage								2.25%									10.00%
Investment amount under agreement								¥ 1,000
Shenzhen Leyishang [Member]
Long Term Investments [Line Items]
Equity interest, ownership percentage								12.25%
DVCC TECHNOLOGY L.L.C [Member]
Long Term Investments [Line Items]
Equity interest, ownership percentage											30.00%	30.00%
Investment amount under agreement											¥ 21,384	$ 3,000
Shares of loss				¥ 224	$ 31	¥ 2,814
Tranches [Member] \| DVCC TECHNOLOGY L.L.C [Member]
Long Term Investments [Line Items]
Payments for purchase of equity interest \| $		$ 1,000
One Tranches [Member] \| DVCC TECHNOLOGY L.L.C [Member]
Long Term Investments [Line Items]
Payments for purchase of equity interest \| $		$ 2,000