.page-hear-img {
    margin-top: 25px;
    width: 1170px;
    height: 365px;
}
@media screen and (max-width: 768px) {
    .page-hear-img {
        margin-top: 50px;
        width: 385px;
        height: 110px;
    }
}
.page-hear-img>img {
    width: auto;
    height: auto;
    max-width: 100%;
    max-height: 100%;
}



.product-name,.product-content  {
    margin-top: 25px;
    line-height: 28px;
}

.product-name  .card,.product-content .card{
    box-sizing: border-box;
    padding: 15px,0,15px,0;
    border-radius: 5px;
}
    .product-name .card p {
        font-size: 18px;
    }

    .product-name .card .card-title, .page-header h4 {
        font-size: 24px;
        font-weight: bold;
    }

.list-info{
    margin-top: 25px;
}
.list-info> a{
    height: 85px;
}
.introduction-text {
    font-size: 16px;
    letter-spacing: 3px;
}