.contain {
    width: 100%;
    height: 100%;
    background: #ffffff;
}

/* banner */
.banner-product {
    display: flex;
    align-items: center;
    background-image: url("/static/img/m/internet_industry/banner.png");
    background-size: 100% 100%;
}
/*简介 */
.overview-intro {
    padding-bottom: 40px;
}
/* 解决方案 */
.method {
    background: #F8F9FA;
}
.photo {
    padding: 20px 20px 0;
}

.photo img {
    width: 100%;
    height: 194px;
}
/* 方案优势 */
.sub-contain{
margin-top: 20px;
}