Unaudited Consolidated Statements of Changes in Shareholders’ Equity |
ordinary shares
Class A
CNY (¥)
shares
|
ordinary shares
Class A
USD ($)
shares
|
ordinary shares
Class B
CNY (¥)
shares
|
ordinary shares
Class B
USD ($)
shares
|
Convertible preferred shares
CNY (¥)
shares
|
Convertible preferred shares
USD ($)
shares
|
Subscription receivable for ordinary shares
CNY (¥)
|
Subscription receivable for ordinary shares
USD ($)
|
Additional paid-in capital
CNY (¥)
|
Additional paid-in capital
USD ($)
|
Accumulated deficit
CNY (¥)
|
Accumulated deficit
USD ($)
|
Accumulated other comprehensive interest
CNY (¥)
|
Accumulated other comprehensive interest
USD ($)
|
Total DDC shareholders’ equity/(deficit)
CNY (¥)
|
Total DDC shareholders’ equity/(deficit)
USD ($)
|
Non-redeemable non-controlling interest
CNY (¥)
|
Non-redeemable non-controlling interest
USD ($)
|
CNY (¥) |
USD ($) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Balance (in Dollars) | ¥ 8,984,639 | ¥ 96,589 | ¥ 1,984,763,325 | ¥ (1,814,578,760) | ¥ (131,840,166) | ¥ 47,425,627 | ¥ 34,845,487 | ¥ 82,271,114 | ||||||||||||
| Balance at Dec. 31, 2024 | ¥ 8,984,639 | ¥ 96,589 | 1,984,763,325 | (1,814,578,760) | (131,840,166) | 47,425,627 | 34,845,487 | 82,271,114 | ||||||||||||
| Balance (in Shares) at Dec. 31, 2024 | shares | 3,150,169 | 3,150,169 | 875,000 | 875,000 | ||||||||||||||||
| Issuance of class A ordinary shares | ¥ 9,976,779 | (123,772,226) | 200,409,497 | 86,614,050 | 86,614,050 | |||||||||||||||
| Issuance of class A ordinary shares (in Shares) | shares | 4,044,866 | 4,044,866 | ||||||||||||||||||
| Certain liabilities transferred to class A ordinary shares | ¥ 1,488,989 | 9,678,427 | 11,167,416 | 11,167,416 | ||||||||||||||||
| Certain liabilities transferred to class A ordinary shares (in Shares) | shares | 600,000 | 600,000 | ||||||||||||||||||
| Shareholder Loan transfer to class A ordinary shares | ¥ 1,267,210 | 22,859,685 | 24,126,895 | 24,126,895 | ||||||||||||||||
| Shareholder Loan transfer to class A ordinary shares (in Shares) | shares | 512,548 | 512,548 | ||||||||||||||||||
| Share-based compensation | 3,151,323 | 3,151,323 | 3,151,323 | |||||||||||||||||
| Net income/(loss) | 28,143,307 | 28,143,307 | 8,990,337 | 37,133,644 | ||||||||||||||||
| Foreign currency translation adjustment, net of nil income taxes | 4,151,520 | 4,151,520 | 4,151,520 | |||||||||||||||||
| Balance at Jun. 30, 2025 | ¥ 21,717,617 | ¥ 96,589 | (123,772,226) | 2,220,862,257 | (1,786,435,453) | (127,688,646) | 204,780,138 | 43,835,824 | 248,615,962 | |||||||||||
| Balance (in Shares) at Jun. 30, 2025 | shares | 8,307,583 | 8,307,583 | 875,000 | 875,000 | ||||||||||||||||
| Balance at Dec. 31, 2024 | ¥ 8,984,639 | ¥ 96,589 | 1,984,763,325 | (1,814,578,760) | (131,840,166) | 47,425,627 | 34,845,487 | 82,271,114 | ||||||||||||
| Balance (in Shares) at Dec. 31, 2024 | shares | 3,150,169 | 3,150,169 | 875,000 | 875,000 | ||||||||||||||||
| Balance at Dec. 31, 2025 | ¥ 65,584,619 | ¥ 196,479 | ¥ 230,544,640 | (881,552,096) | 3,380,325,431 | (2,171,283,787) | (125,758,629) | 498,056,657 | 53,547,302 | 551,603,959 | ||||||||||
| Balance (in Shares) at Dec. 31, 2025 | shares | 23,281,620 | 23,281,620 | 1,750,000 | 1,750,000 | 16,000,000 | 16,000,000 | ||||||||||||||
| Balance (in Dollars) | ¥ 21,717,617 | ¥ 96,589 | (123,772,226) | 2,220,862,257 | (1,786,435,453) | (127,688,646) | 204,780,138 | 43,835,824 | 248,615,962 | |||||||||||
| Balance (in Dollars) | 65,584,619 | 196,479 | ¥ 230,544,640 | (881,552,096) | 3,380,325,431 | (2,171,283,787) | (125,758,629) | 498,056,657 | 53,547,302 | 551,603,959 | ||||||||||
| Issuance of class A ordinary shares | ¥ 15,332,347 | 80,111,519 | 95,443,866 | 95,443,866 | ||||||||||||||||
| Issuance of class A ordinary shares (in Shares) | shares | 5,627,871 | 5,627,871 | ||||||||||||||||||
| Convertible Preferred Shares transferred to class A ordinary shares | ¥ 27,038,178 | ¥ (230,544,640) | 203,506,462 | |||||||||||||||||
| Convertible Preferred Shares transferred to class A ordinary shares (in Shares) | shares | 9,924,598 | 9,924,598 | (16,000,000) | (16,000,000) | ||||||||||||||||
| Convertible Notes transferred to class A ordinary shares | ¥ 3,534,563 | 13,472,087 | 17,006,650 | 17,006,650 | ||||||||||||||||
| Convertible Notes transferred to class A ordinary shares (in Shares) | shares | 1,297,392 | 1,297,392 | ||||||||||||||||||
| Certain liabilities transferred to class A ordinary shares | ¥ 384,312 | 875,705 | 1,260,017 | 1,260,017 | ||||||||||||||||
| Certain liabilities transferred to class A ordinary shares (in Shares) | shares | 191,065 | 191,065 | ||||||||||||||||||
| Exercise of warrants | ¥ 14,452,897 | (14,452,897) | ||||||||||||||||||
| Exercise of warrants (in Shares) | shares | 5,305,061 | 5,305,061 | ||||||||||||||||||
| Collection of subscription receivable for ordinary shares | 871,571,200 | 871,571,200 | 871,571,200 | |||||||||||||||||
| Share-based compensation | 21,754,719 | 21,754,719 | 21,754,719 | |||||||||||||||||
| Net income/(loss) | (269,390,059) | (269,390,059) | 8,745,872 | (260,644,187) | $ (38,414,200) | |||||||||||||||
| Foreign currency translation adjustment, net of nil income taxes | (8,888,973) | (8,888,973) | (8,888,973) | |||||||||||||||||
| Balance at Jun. 30, 2026 | ¥ 126,326,916 | $ 18,618,284 | ¥ 196,479 | $ 28,957 | (9,980,896) | $ (1,471,002) | 3,685,593,026 | $ 543,189,198 | (2,440,673,846) | $ (359,710,814) | (134,647,602) | $ (19,844,601) | 1,226,814,077 | $ 180,810,022 | 62,293,174 | $ 9,180,878 | 1,289,107,251 | 189,990,900 | ||
| Balance (in Shares) at Jun. 30, 2026 | shares | 45,627,607 | 45,627,607 | 1,750,000 | 1,750,000 | ||||||||||||||||
| Balance (in Dollars) | ¥ 126,326,916 | $ 18,618,284 | ¥ 196,479 | $ 28,957 | ¥ (9,980,896) | $ (1,471,002) | ¥ 3,685,593,026 | $ 543,189,198 | ¥ (2,440,673,846) | $ (359,710,814) | ¥ (134,647,602) | $ (19,844,601) | ¥ 1,226,814,077 | $ 180,810,022 | ¥ 62,293,174 | $ 9,180,878 | ¥ 1,289,107,251 | $ 189,990,900 |
| X | ||||||||||
- Definition Certain liabilities transferred to class A ordinary shares. No definition available.
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| X | ||||||||||
- Definition Certain liabilities transferred to class A ordinary shares. No definition available.
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| X | ||||||||||
- Definition Shareholder Loan transfer to class A ordinary shares. No definition available.
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| X | ||||||||||
- Definition The number of exercise of warrants share. No definition available.
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| X | ||||||||||
- Definition The amount of value of shares issued during the period to collection of subscription receivable for ordinary shares. No definition available.
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| X | ||||||||||
- Definition Amount of increase to additional paid-in capital (APIC) for recognition of cost for option under share-based payment arrangement. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount after tax, before reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Number of shares issued which are neither cancelled nor held in the treasury. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Value of preferred stock and warrants for common stock issued. No definition available.
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| X | ||||||||||
- Definition The number of shares issued during the period upon the conversion of units. An example of a convertible unit is an umbrella partnership real estate investment trust unit (UPREIT unit). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Number of new stock issued during the period. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Number of shares of stock issued attributable to transactions classified as other. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition The gross value of stock issued during the period upon the conversion of convertible securities. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Value of stock issued during the period upon the conversion of units. An example of a convertible unit is an umbrella partnership real estate investment trust unit (UPREIT unit). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Value of shares of stock issued attributable to transactions classified as other. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of equity (deficit) attributable to parent and noncontrolling interest. Excludes temporary equity. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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