html, body, div, span, applet, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, pre, a, abbr, acronym, address, big, cite, code, del, dfn, em, img, ins, kbd, q, s, samp, small, strike, strong, sub, sup, tt, var, b, u, i, center, dl, dt, dd, ol, ul, li, fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, td, article, aside, canvas, details, embed, figure, figcaption, footer, header, hgroup, menu, nav, output, ruby, section, summary, time, mark, audio, video {
    margin: 0;
    padding: 0;
    border: 0;
    font-size: 100%;
    vertical-align: baseline;
}
ol, ul {
    list-style: none;
}
li {
    list-style: none;
}
a {
    color: #333;
    text-decoration: none;
}
.clearfix{
    clear: both;
}
/* 中间部分 */
.main{
    min-height:calc(100vh - 180px) !important;
    width: 1200px;
    margin: 0 auto;
    margin-top:88px;
}
/* 头部 start */
.header_div .nav {
    height: 68px;
    line-height: 68px;
    width: 100%;
    color: #ffffff;
    background-color: #384377;
    position: fixed !important;
    top: 0;
    z-index: 999999;
}
.header_div .nav .center{
    display: flex;
    justify-content: space-between;
    background-color: #384377;
    width: 1200px;
    height: 100%;
    margin: 0 auto;
}
.header_div .nav h3 {
    white-space: nowrap;
    font-size: 1.5rem;
    font-weight: 700;
    color: #ffffff;
}
.header_div .nav h3 a{
    color: #ffffff;
}
.header_div .nav .center ul {
    display: flex;
    margin-right: 20px;
}
.header_div .nav .center ul li {
    width: 72px;
    margin-left: 28px;
    text-align: center;
    white-space: nowrap;
}
.header_div .nav .center ul li a {
    font-size: 18px;
    color: #ffffff;
    text-decoration: none;
}
.header_div .nav .center ul li .active {
    display: inline-block;
    border-bottom: 2px #fff solid;
    height: 51px;
}
.header_div .nav .center ul li a:hover{
    display: inline-block;
    border-bottom: 2px #fff solid;
    height: 51px;
}
/* 头部 end */
/* 文章 start */
.article-nav {
    position: relative;
    background: #fff;
    box-sizing: border-box;
}
.article-nav .view_active{
    border-bottom: 4px solid #00a1ff;
    display: inline-block;
    font-size: 20px;
    height: 34px;
}
.article-list{
    height: 100%;
}
.article-list .article-item{
    color: inherit;
    text-decoration: none;
    background: #fff;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px dashed #9e9e9e;
}
.article-list .article-item:hover{
    background: #f5f5f5;
}
.article-list .article-item .article-img{
    max-width: 160px;
    max-height: 160px;
    border-radius: 15px;
}
.article-list .article-item .article_info{
    width: calc(100% - 160px);
    margin-left: 20px;
    display: inline-block;
}
.article-list .article-item .article_info .article_title{
    font-size: 18px;
    width: 100%;
    color: #00a1ff;
    word-break: break-all;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 1;
    overflow: hidden;
    font-weight: bold;
}
.article-list .article-item .article_info .article_provider{
    font-size: 15px;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
    display: inline-block;
    padding: 20px 0 5px 0;
}
.article-list .article-item .article_info .article_des{
    font-size: 15px;
    width: 100%;
    word-break: break-all;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
    color: #9e9e9e;
}
/* 文章 end */
/* 分页 start */
.page_div{
    padding: 50px 0 120px 0;
    text-align: center;
}
.page_div a{
    text-decoration: none;
    padding: 10px 20px;
    margin: 0 20px;
    font-size: 16px;
    background: #384377;
    border: 1px solid #c7c9ca;
    border-radius: 5px;
    color: #ffff;
}
/* 分页 end */