Summary of Significant Principal Accounting Policies (Schedule of Consolidated Balances and Transactions) (Details) ¥ in Thousands, $ in Thousands |
12 Months Ended | ||||
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Dec. 31, 2025
CNY (¥)
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Dec. 31, 2025
USD ($)
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Dec. 31, 2024
CNY (¥)
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Dec. 31, 2023
CNY (¥)
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Dec. 31, 2025
USD ($)
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| Summary of Significant Principal Accounting Policies | |||||
| Cash and cash equivalent | ¥ 907,335 | ¥ 1,289,323 | ¥ 2,149,531 | $ 129,747 | |
| Accounts receivable, net | 2,173,163 | 2,033,778 | 310,758 | ||
| Inventories | 879,421 | 1,117,439 | 125,756 | ||
| Advance to suppliers | 366,671 | 404,353 | 52,433 | ||
| Amounts due from related parties | 6,235 | 7,021 | 892 | ||
| Prepayments and other current assets | 575,984 | 724,091 | 82,365 | ||
| Property and equipment, net | 758,703 | 822,229 | 108,493 | ||
| Intangible assets, net | 322,924 | 357,307 | 46,178 | ||
| TOTAL ASSETS | 9,691,116 | 10,207,001 | 1,385,812 | ||
| Short-term loans | 1,207,773 | 1,220,957 | 172,709 | ||
| Accounts payable | 466,081 | 620,679 | 66,649 | ||
| Notes payable | 335,171 | 461,179 | 47,929 | ||
| Income tax payables | 35,506 | 26,559 | 5,077 | ||
| Accrued expenses and other current liabilities | 1,359,389 | 1,169,547 | 194,394 | ||
| Total liabilities | 4,199,524 | 4,426,422 | $ 600,528 | ||
| Net revenues | 9,945,483 | $ 1,422,186 | 9,422,229 | 8,812,013 | |
| Net income | (199,580) | (28,541) | (138,384) | (222,776) | |
| Cash provided by operating activities | 420,434 | 60,121 | 101,278 | 448,255 | |
| Net cash used in investing activities | (898,586) | (128,497) | (817,606) | (340,372) | |
| Net cash provided by (used in) financing activities | (107,491) | $ (15,371) | (19,737) | (8,033) | |
| Related Party | |||||
| Summary of Significant Principal Accounting Policies | |||||
| Net revenues | 14,039 | 92,330 | 113,288 | ||
| VIE | |||||
| Summary of Significant Principal Accounting Policies | |||||
| Cash and cash equivalent | 4,696 | 10,842 | |||
| Accounts receivable, net | 132,175 | 145,144 | |||
| Inventories | 21 | 15 | |||
| Advance to suppliers | 8,117 | 1,827 | |||
| Prepayments and other current assets | 453 | 2,877 | |||
| Property and equipment, net | 763 | 286 | |||
| Intangible assets, net | 27,189 | 23,378 | |||
| TOTAL ASSETS | 173,414 | 184,369 | |||
| Short-term loans | 77,000 | 99,694 | |||
| Accounts payable | 1,977 | 2,350 | |||
| Notes payable | 35,077 | 82,817 | |||
| Income tax payables | 5,351 | 3,983 | |||
| Accrued expenses and other current liabilities | 27,709 | 28,988 | |||
| Total liabilities | 147,114 | 217,832 | |||
| Net revenues | 436,180 | 529,902 | 548,439 | ||
| Net income | 361,737 | 421,398 | 431,026 | ||
| Cash provided by operating activities | 277,902 | 301,818 | 530,391 | ||
| Net cash used in investing activities | (11,316) | ¥ (2,504) | |||
| Net cash provided by (used in) financing activities | ¥ (25,636) | ¥ 98,077 | |||
| X | ||||||||||
- Definition Amount of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including accrued expenses, advances from customer, deferred revenue and other costs not separately disclosed in the balance sheet that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. No definition available.
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- Definition Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Carrying amount as of the balance sheet date of the unpaid sum of the known and estimated amounts payable to satisfy all currently due domestic and foreign income tax obligations. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of asset recognized for present right to economic benefit. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of cash and cash equivalent. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of liability recognized for present obligation requiring transfer or otherwise providing economic benefit to others. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of cash inflow (outflow) from financing activity, including, but not limited to, discontinued operation. Financing activity includes, but is not limited to, obtaining resource from owner and providing return on, and return of, their investment; borrowing money and repaying amount borrowed, or settling obligation; and obtaining and paying for other resource obtained from creditor on long-term credit. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of cash inflow (outflow) from investing activity, including, but not limited to, discontinued operation. Investing activity includes, but is not limited to, making and collecting loan, acquiring and disposing of debt and equity instruments, property, plant, and equipment, and other productive assets. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of cash inflow (outflow) from operating activity, including, but not limited to, discontinued operation. Operating activity includes, but is not limited to, transaction, adjustment, and change in value not defined as investing or financing activity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Sum of the carrying values as of the balance sheet date of the portions of long-term notes payable due within one year or the operating cycle if longer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount, after allowance, of receivables classified as other, due within one year or the operating cycle, if longer. No definition available.
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- Definition Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- 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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- Definition Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of consideration paid in advance for supplies that provide economic benefits within a future period of one year or the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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