.product_box {
    width: 100%;
    padding: calc(8px + 3rem) 0;
}

.product {
    max-width: 1640px;
    width: 90%;
    margin: auto;
    display: flex;
    justify-content: space-between;
}

.product_left {
    width: 24.0244%;
}

.product_search {
    width: 100%;
    height: calc(8px + 3rem);
    background: #F9FAFB;
    border: 1px solid #D8D8D8;
    display: flex;
    justify-content: space-between;
    margin-bottom: calc(6px + 1rem);
}

.search_btn {
    width: calc(8px + 3rem);
    height: 100%;
    background: #0054AC;
    display: flex;
    justify-content: center;
    align-items: center;
}

.product_search input {
    flex: 1;
    height: 100%;
    border: none;
    outline: medium;
    font-family: Source Han Sans, Source Han Sans;
    font-weight: 500;
    font-size: calc(8px + 0.5rem);
    color: #152A3F;
    line-height: 1;
    padding: 0 calc(10px + 1.5rem);
}

.product_search input::placeholder {
    font-family: Source Han Sans, Source Han Sans;
    font-weight: 500;
    font-size: calc(8px + 0.5rem);
    color: #152A3F;
    line-height: 1;
}

.search_btn img {
    width: calc(4px + 1rem);
}

.product_nav_title {
    width: 100%;
    height: calc(12px + 3rem);
    background: #0054AC;
    border-radius: calc(10px + 0.5rem) 0px 0px 0px;
    font-family: Source Han Sans, Source Han Sans;
    font-weight: 500;
    font-size: calc(2px + 1rem);
    color: #FFFFFF;
    line-height: 1;
    display: flex;
    justify-content: flex-start;
    align-items: center;
    padding-left: calc(10px + 1.5rem);

}

.product_nav_item {
    padding: calc(8px + 1rem) calc(9px + 1.5rem);
    border: 1px solid #D8D8D8;
    border-top: none;
}

.product_nav_1 {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;

}

.product_nav_1 img {
    width: calc(10px + 0.5rem);
    transition: .5s;
}

.product_nav_1 .p1 {
    font-family: Source Han Sans, Source Han Sans;
    font-weight: 500;
    font-size: calc(6px + 0.5rem);
    color: #0054AC;
    line-height: calc(10px + 1rem);
}

.product_nav_2 {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    gap: calc(5px + 1rem);
    max-height: 0;
    overflow: hidden;
    transition: .5s;
}

.product_nav_2 .p2 {
    font-family: Source Han Sans, Source Han Sans;
    font-weight: 350;
    font-size: calc(6px + 0.5rem);
    color: #666666;
    line-height: calc(10px + 1rem);
}

.product_nav_2 .p2_act {
    color: #152A3F;
}

.product_nav_item_act {
    background-color: #F9FAFB;
}

.product_nav_item_act .product_nav_2 {
    max-height: calc(200px + 20rem);
    margin-top: calc(3px + 1rem);

}

.product_nav_item_act .product_nav_1 img {
    transform: rotate(90deg);
}

.product_contact {
    width: 100%;
    background: #F9FAFB;
    border: 1px solid #D8D8D8;
    padding: calc(4px + 1.5rem) calc(7px + 1rem);
}

.product_contact label {
    display: none;
}

.product_contact .form-group input {
    width: 100% !important;
    height: calc(8px + 2rem);
    background: #FFFFFF;
    border-radius: calc(2px + 0.1rem);
    border: 1px solid #D8D8D8;
    padding: 0 calc(5px + 0.5rem);
}

.product_contact .form-group:nth-of-type(4) input {
    height: calc(5px + 5rem);
}

.product_contact .fc-form-body {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    gap: calc(5px + 0.25rem);
}

.product_right {
    width: 71.0976%;
    padding-top: calc(10px + 0.5rem);
}

.product_right .p1 {
    font-family: Source Han Sans, Source Han Sans;
    font-weight: 500;
    font-size: calc(4px + 1rem);
    color: #152A3F;
    line-height: 1;
}

.product_list {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    row-gap: calc(7px + 1rem);
    margin-top: calc(11px + 2rem);
}

.product_list_item {
    width: 31.7324%;
}

.product_list_item_pic {
    width: 100%;
    height: calc(70px + 15rem);
    border: calc(0px + 0.1rem) solid #F0F0F0;
    overflow: hidden;
}

.product_list_item_pic img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: .5s;
}

.product_list_item .p2 {
    height: calc(7px + 2rem);
    font-family: Source Han Sans, Source Han Sans;
    font-weight: 350;
    font-size: calc(6px + 0.5rem);
    color: #152A3F;
    line-height: calc(9px + 1rem);
    text-align: center;
    margin-top: calc(2px + 1rem);
}

.product_list_item:hover .product_list_item_pic img {
    transform: scale(1.1);
}

@media screen and (max-width: 1100px) {
    .product{
        flex-direction: column;
        justify-content: flex-start;
        gap: calc(10px + 1rem);
    }
    .product_left{
        width: 100%;
    }
    .product_search {
        height: calc(20px + 3rem);
    }
    .product_search input{
        font-size: calc(10px + 1rem);
    }
    .product_search input::placeholder{
        font-size: calc(10px + 1rem);
    }
    .search_btn {
        width: calc(20px + 3rem);
    }
    .search_btn img {
        width: calc(9px + 1rem);
    }
    .product_nav_title{
        font-size: calc(12px + 1rem);
        height: calc(28px + 3rem);
    }
    .product_nav_1 .p1{
        font-size: calc(10px + 1rem);
    }
    .product_nav_2 .p2{
        font-size: calc(10px + 1rem);
    }
    .product_nav_2 {
        gap: calc(12px + 1rem);
    }
    .product_nav_item_act .product_nav_2 {
        margin-top: calc(16px + 1rem);
    }
    .product_nav_1 img {
        width: calc(18px + 0.5rem);
    }
    .product_contact .form-group input {
        height: calc(29px + 2rem);
       
    }
    .product_contact .form-group:nth-of-type(4) input {
        height: calc(12px + 20rem);
    }
    .product_contact {
        padding: calc(20px + 1.5rem) calc(7px + 1rem);
    }
    .product_right{
        width: 100%;
    }
    .product_right .p1{
        font-size: calc(12px + 1rem);
        line-height: 1.5;
    }
    .product_list_item{
        width: 48.5%;
    }
    .product_list_item_pic {
 
        height: calc(70px + 25rem);
      
    }
    .product_list_item .p2{
        font-size: calc(10px + 1rem);
    }
}