body {
    background-color: #f5f5f5;
}

.solution_left .category {
    position: relative;
}

.solution_left ul li {
    background-color: #c6a062;
    display: block;
    color: #fff;
    width: 100%;
    height: 60px;
    line-height: 60px;
    cursor: pointer;
}

.solution_left ul li:hover {
    background-color: #9a7c4a;
}

.solution_left .tab_bar {
    background-color: #9a7c4a;
}

.solution_right .img_box {
    margin: 0;
}

.solution_right h2 {
    letter-spacing: normal;
    font-size: 18px;
}

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

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

.news_banner .content_top {
    position: absolute;
    top: 0;
    left: 50%;
    margin-left: -600px;
    width: 1200px;
}

.news_banner .content_top p {
    width: 500px;
    padding-top: 150px;
    font-size: 16px;
    color: #fff;
}

.products {
    width: 100%;
}

.products_content ul {
    display: flex;
    flex-wrap: wrap;
}

.products_content ul li {
    position: relative;
    width: 260px;
    height: 200px;
    margin-bottom: 20px;
    margin-right: 20px;
    box-sizing: border-box;
    text-align: center;
    font-size: 0;
    overflow: hidden;
    align-items: center;
    transition-duration: 0.2s;
    box-shadow: 0 3px 30px rgba(0, 0, 0, 0.1);
    cursor: pointer;
}
.products_content ul li:nth-child(4n){
    margin-right: 0;
}
.products_content ul li:hover .li_content {
    top: -44px;
    box-shadow: 0 3px 30px rgba(0, 0, 0, .1);
    transition-duration: 0.2s;
}

.products_content ul li .li_content {
    width: 100%;
    position: absolute;
    left: 0;
    top: 0;
    transition-duration: 0.2s;
}

.products_content ul li .img_box {
    width: 100%;
    height: 199px;
    margin: 0 auto;
    font-size: 0;
    overflow: hidden;
    transition-duration: 0.2s;
}

.products_content ul li .img_box img {
    width: 100%;
    height: 100%;
}

.section ul li span {
    display: inline-block;
    width: 100%;
    box-sizing: border-box;
    padding: 10px 10px;
    font-size: 16px;
    text-align: center;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.section h3 {
    display: inline-block;

}

.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;
}

.solution_right {
    width: 1100px;
}
.solution_right h2 {
    font-size: 24px;
    letter-spacing: 2.4px;
    font-weight: 400;
    color: #000;
    margin-bottom: 40px;
}
.solution_right p {
    font-size: 14px;
}

.solution_right .img_box {
    margin-top: 40px;
}
.solution_left .news_nav {
    display: none;
    position: absolute;
    top: 0;
    left: 155px;
    width: 200px;
    z-index: 1;
}

.solution_left .news_nav ul li {
    color: #fff;
    background-color: #c6a062;
    height: 60px;
    line-height: 60px;
    cursor: pointer;
}

.solution_left .news_nav ul li:hover {
    background-color: #0085cdaa;
}
.book_search ul li {
    width: 500px;
    padding: 0 50px;
}

.solution_content {
    width: 1100px;
    margin: 60px auto 80px;
    display: flex;
}

.solution_left {
    width: 200px;
    margin-right: 80px;
    text-align: center;
}