    .details {
        width: 1200px;
        height: 1889px;
        margin: 0 auto;
        /* background-color: pink; */
        box-sizing: border-box;
        padding: 123px 0;
        display: flex;
        flex-direction: column;
    }
    /* .details>div {
        flex: 1;
    } */
    
    .details>div>div {
        display: flex;
        align-items: center;
        justify-content: space-between;
    }
    
    body {
        background-color: #f2f6ff;
    }
    
    .item1 {
        height: 449px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-bottom: 85px;
    }
    
    .item1>div:nth-child(2) {
        width: 547px;
    }
    
    .item1>div:nth-child(2)>div:nth-child(1) {
        font-size: 34px;
        font-weight: 500;
        margin-bottom: 24px;
    }
    
    .item1>div:nth-child(2)>div:nth-child(2) {
        font-size: 18px;
        line-height: 30px;
    }
    
    .item {
        padding-left: 40px;
        margin-top: 82px;
        margin-bottom: 70px;
    }
    
    .item>div:nth-child(1) {
        width: 554px;
    }
    
    .item>div:nth-child(1)>div:nth-child(1) {
        font-size: 32px;
        font-weight: 500;
        margin-bottom: 30px;
    }
    
    .item>div:nth-child(1)>div:nth-child(2) {
        font-size: 18px;
        line-height: 30px;
    }
    
    .item>div:nth-child(1)>div:nth-child(2)>p:nth-child(1) {
        margin-bottom: 45px;
    }
    
    .tupians {
        width: 547px;
        height: 350px;
        background-color: #fff;
        position: relative;
    }
    
    .tupians2 {
        width: 511px;
        height: 428px;
        background-color: #fff;
        position: relative;
    }
    
    .tupians1 {
        width: 507px;
        height: 449px;
        background-color: #fff;
        position: relative;
    }
    
    .gu {
        position: absolute;
        width: 100%;
        height: 100%;
        left: 0;
        bottom: 0;
        top: 0;
        right: 0;
    }
    
    .tiao {
        position: absolute;
        width: 200px;
        height: 319px;
        background: url('../image/ce.png') no-repeat;
        background-size: 100% 100%;
        z-index: 999;
        right: -32px;
        bottom: 145px;
        box-sizing: border-box;
        padding: 29px 24px;
        display: flex;
        justify-content: space-between;
        flex-direction: column;
    }
    
    .tiao1 {
        position: absolute;
        width: 200px;
        height: 319px;
        background: url('../image/ce.png') no-repeat;
        background-size: 100% 100%;
        z-index: 999;
        right: -94px;
        bottom: 73px;
        box-sizing: border-box;
        padding: 29px 10px;
        display: flex;
        justify-content: space-between;
        flex-direction: column;
    }
    
    .tiao2 {
        position: absolute;
        width: 200px;
        height: 319px;
        background: url('../image/ce.png') no-repeat;
        background-size: 100% 100%;
        z-index: 999;
        left: -60px;
        bottom: -138px;
        box-sizing: border-box;
        padding: 29px 24px;
        display: flex;
        justify-content: space-between;
        flex-direction: column;
    }
    
    .tiao>div {
        font-size: 19px;
        line-height: 30px;
        color: #fff;
    }
    
    .tiao1>div {
        font-size: 19px;
        line-height: 30px;
        color: #fff;
    }
    
    .tiao2>div {
        font-size: 19px;
        line-height: 30px;
        color: #fff;
    }