.news_banner {
    width: 100%;
    position: relative;
}

.news_banner:first-child {
    width: 100%;
}

.img_box img {
    width: 100%;
}

.solution_left ul li:nth-child(1) a {
    background-color: #006aa4;
}

.solution_left .category:hover .news_nav {
    display: block;
}

.solution_left .category {
    position: relative;
}

.solution_left .news_nav {
    display: none;
    position: absolute;
    top: 0;
    left: 200px;
    width: 200px;
    z-index: 1;
}

.solution_left .news_nav ul li {
    color: #fff;
    background-color: #0085cd;
    height: 60px;
    line-height: 60px;
    cursor: pointer;
}

.solution_left .news_nav ul li:hover {
    background-color: #006aa4;
}

.product_list {
    display: flex;
    overflow: hidden;
}



.product_list ul li {
    float: left;
    background-color: #fff;
    width: 258px;
    position: relative;
    cursor: pointer;
    border: 1px solid #fff;
    margin-right: 20px;
    margin-bottom: 20px;
}

.product_list ul li:nth-child(3n) {
    margin: 0;
}

.product_list ul li:hover {
    border: 1px solid #006aa4;
}

.product_list ul li:hover span,
.product_list ul li:hover p {
    color: #0085cd;
}

.product_list ul li .img_box img {
    height: 100%;

}

.product_list ul li div {
    width: 258px;
    padding: 40px;
    box-sizing: border-box;
    display: table-cell;
    vertical-align: middle;
    height: 258px;
    overflow: hidden;
}

.product_list ul li p {
    text-align: center;
    font-size: 12px;
    padding-bottom: 30px;
}

.product_list ul li div img {
    width: 100%;
}

.product_list ul li span {
    display: block;
    width: 100%;
    text-align: center;
    font-size: 14px;
}

.paging {
    width: 100%;
}

.paging_box {
    display: flex;
    justify-content: center;
    padding: 60px;
}

.paging_box span {
    display: inline-block;
    text-align: center;
    width: 100px;
    height: 40px;
    line-height: 40px;
    background-color: #fff;
    border-radius: 20px;
    color: #999;
    cursor: pointer;
}

.paging_box p {
    background-color: #f5f5f5;
    width: 40px;
    height: 40px;
    line-height: 40px;
    border-radius: 50% 50%;
    text-align: center;
    color: #fff;
    margin: 0 20px;
    font-size: 18px;
}

.paging_box .set_color {
    background-color: #0085cd;
}