.product_box {
    width: 100%;
    padding-top: calc(17px + 2rem);
    padding-bottom: calc(20px + 3rem);
}

.product {
    max-width: 1740px;
    width: 90%;
    margin: auto;
    display: flex;
    justify-content: space-between;
}

.pro_title {
    font-family: Source Han Sans, Source Han Sans;
    font-weight: 500;
    font-size: calc(10px + 0.5rem);
    color: #333333;
    line-height: calc(9px + 1rem);
    border-bottom: 1px #D8D8D8 solid;
    padding-bottom: calc(5px + 1rem);

}

.product_right {
    width: 74.7126%;
    padding-top: calc(4px + 0.5rem);
}

.p_title {
    font-family: Source Han Sans, Source Han Sans;
    font-weight: 500;
    font-size: calc(6px + 1.5rem);
    color: #333333;
    line-height: calc(12px + 2rem);
    border-bottom: 1px #D8D8D8 solid;
    padding-bottom: calc(3px + 0.5rem);
}

.product_list {
    display: flex;
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: calc(1px + 1rem);
    row-gap: calc(5px + 2rem);
    margin-top: calc(4px + 1rem);
}

.product_list_item {
    width: 32.1538%;
    cursor: pointer;
}

.product_pic {
    width: 100%;
    height: calc(18px + 20rem);
    border: calc(2px + 0.1rem) solid #F2F4F5;
    position: relative;
}

.product_pic .img1 {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product_list_item .p1 {
    font-family: Source Han Sans, Source Han Sans;
    font-weight: 400;
    font-size: calc(8px + 0.5rem);
    color: #333333;
    line-height: calc(6px + 1rem);
    text-align: center;
    margin-top: calc(8px + 1rem);
    transition: .3s;
}
.product_mask{
    width: 100%;
    height: 100%;
    background: rgba(255,255,255,0.6);
    position: absolute;
    top: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: .3s;
}

.product_list_item:hover .product_mask{
    opacity: 1;
}
.product_list_item:hover .p1{
    color: #007BA3;
}

@media screen and (max-width: 1100px) {
    .product{
        flex-direction: column;
        justify-content: flex-start;
        gap: calc(10px + 1rem);
    }
    .collage_left{
        width: 100%;
    }
    .pro_title{
        font-size: calc(12px + 1rem);
        line-height: 1.5;
    }
    .p_title{
        font-size: calc(16px + 1rem);
        line-height: 1.5;
    }
    .product_right{
        width: 100%;
    }
    .product_list_item{
        width: 48.5%;
    }
    .product_pic {
        width: 100%;
        height: calc(18px + 37rem);
    }
    .product_list_item .p1{
        font-size: calc(10px + 1rem);
    }
}