.newsletter-list{
    margin: 0 -17px;
}
.newsletter-list .item{
    width: 25%;
    padding: 0 17px;
}
.newsletter-list .item:nth-child(4n+1) {
    clear: left;
}

.newsletter-list .text_top {
    display: flex;
    padding-top: 18px;
    padding-bottom: 16px;
    justify-content: space-between;
    align-items: center;
}

.newsletter-list .item .date{
    font-family: Cormorant Garamond;
    font-weight: bold;
    color: #00517E;
    font-size: 20px;
    margin: 10px 0;
    display: block;
}

.newsletter-list .page {
    color: #1F1F1F;
    font-size: 15px;
}

.newsletter-list .item .name{
    color: #444444;
    font-size: 20px;
    font-weight: bold;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    display: block;
    border-bottom: solid 1px transparent;
    transition: all ease .3s;
    line-height: 20px;
    margin-bottom: 14px;
}
.newsletter-list .item .box:hover .name{
    border-bottom: solid 1px #444444;
}
.newsletter-list .item:nth-child(even){
    /* margin-top: 60px; */
}
.newsletter-list .item .description{
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    color: #858585;
    font-size: 14px;
    height: 46px;
}
.newsletter-list .box {
    display: block;
    position: relative;
    max-width: 350px;
    margin:0 auto 0px;
}
.newsletter-list .box .pic .tag{
    position: absolute;
    bottom: 0;
    right: 0;
    line-height: 41px;
    width: 102px;
    font-size: 16px;
    color: #fff;
}
.newsletter-list .box .pic .tag1{
    background: #B71A39;

}
.newsletter-list .box .pic .tag2{
    background: #F5AB00;
    
}
.newsletter-list .box .pic .tag3{
    background: #BEA679;
    
}

.newsletter-list .item a.cover{
    font-size: 0;
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    height: 100%;
    z-index:30;
}
/*detail*/
.news-header,
.news-detail {
    max-width: 1280px;
    margin: 0 auto;
}
.news-header .title {
    color: #000;
    font-size: 24px;
    font-weight: normal;
    text-align: center;
    line-height: 1.75;
    padding: 20px 0 15px;
    margin: 0;
}
.news-header .bottom_box{
    display: flex;
    justify-content: space-between;
    max-width: 320px;
    border-top: 5px solid #144F78;
    margin: 0 auto 45px;
    padding-top: 15px;
}
.news-header .date span,
.news-header .author{
    color: #134E78;
}
.news-header .date span{
    display: inline-block;
    margin-right: 18px;
}
.news-header .date {
    display: block;
    color: #868686;
    text-align: center;
}
.news-detail {
    padding: 0 60px 45px;
    border-bottom: 1px solid #ddd;
}
.news-detail article{
    max-width: 950px;
    margin: auto;
}
/*video*/
.video_box{
    max-width: 950px;
    margin:0 auto 30px;
}
@media screen and (max-width: 1440px) {
    .news-detail {
        padding: 0 15px 30px;
        margin: 0 -15px;
    }
 
}
@media screen and (max-width: 1000px) {
    .newsletter-list .item{
        width: 50%;
    }
    .newsletter-list .item:nth-child(n) {
        clear: none;
        margin-top: 0;
    }
    .newsletter-list .item:nth-child(2n+1) {
        clear: left;
    }
    .newsletter-list .box {
        margin-bottom: 30px;
    }
}
@media screen and (max-width: 767px) {
    .news-header .title {
        font-size: 20px;
        padding: 0 0 25px;
    }
}
@media screen and (max-width: 600px) {
    .newsletter-list .item{
        width: 100%;
    }
   
}