PageResponseItemTrendSummary

{
    "success": true,
    "errorCode": "string",
    "errorMessage": "string",
    "data": [
        {
            "site": "tw",
            "itemName": "2026新款夏季连衣裙",
            "itemId": 1234567890,
            "ctime": "2025-01-01",
            "price": 199,
            "sales": 500,
            "gmv": 50000,
            "totalSales": 500000,
            "ratingStar": 4.8,
            "likeCount": 5000,
            "commentCount": 10000,
            "timest": "2026-05-26"
        }
    ],
    "total": 100,
    "pageNo": 1,
    "pageSize": 20
}