html,body,ul,li,span,div,p{
    padding: 0;
    margin: 0;
    font-size: 16px;
    list-style: none;
    box-sizing: border-box;
}
*{
    box-sizing: border-box;
}
body{
   background-color: #f6f6f6;;
}
.news_list_sfd{
    width: 100%;
    height: auto;
    /* padding: 10px; */
    box-sizing: border-box;
    overflow: hidden;
    margin: 10px 0 20px; 
}
.news_list_sfd li{
    width: calc(25% - 20px);
    height: 320px;
    margin: 0 10px;
    float: left;
    font-size: 14px;
}
.news_list_sfd li .news_content_sfd{
    width: 100%;
    height: 100%;
    background: #fff;
    position: relative;
}
.overtext{
    overflow: hidden;
    text-overflow: ellipsis;
    word-break: break-all;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    box-sizing: border-box;
}
.news_list_sfd li .news_content_sfd h2{
    margin: 0;
    font-size: 24px;
    color: #901C1F;
    height: 90px;
    line-height: 41px;
    -webkit-line-clamp: 2;
    padding: 8px 15px 0;
    box-sizing: border-box;
    font-weight: bold !important;
}
.news_list_sfd li .news_content_sfd .text{
    font-size: 16px;
    height: calc(100% - 150px);
    width: 100%;
    color: #666;
    opacity: 0.5;
    /* -webkit-line-clamp: 6; */
    padding: 2px 15px;
    line-height: 1.75;
    visibility: visible;
}
.news_list_sfd li .news_content_sfd .news_time{
    display: inline-block;
    color: #333;
    position: absolute;
    z-index: 0;
    left: 0;
    bottom: 0;
}
.picture_box{
    width: 100%;
    height: calc(100% - 90px);
    overflow: hidden;
    position: relative;
}
.picture_box img{
    width: 100%;
    height: 100%;
}
.picture_box .pic_time{
    position: absolute;
    z-index: 0;
    left: 0;
    bottom: 0;
    color: #fff;
    background: rgba(0,0,0,0.5);
}
.time_sfd{
    width: 100%;
    height: 35px;
    line-height: 35px;
    text-align: right;
    padding-right: 25px;
    box-sizing: border-box;
    font-size: 12px;
}
/* 鼠标移入 */
.news_list_sfd li:hover .news_content_sfd .text{
    opacity:0.8;
}
.news_list_sfd li:hover .news_content_sfd .picture_box img{
    transform:scale(1.1,1.1);
    -webkit-transition: all .8s ease;
}
@media (max-width: 1024px) {
    .news_list_sfd li{
        height: 170;
    }
    .news_list_sfd li .news_content_sfd h2{
        font-size: 12px;
        height: 50px;
        line-height: 21px;
    }
    .news_list_sfd li .news_content_sfd .text{
        height: calc(100% - 100px);
    }
    .picture_box{
        height: calc(100% - 50px);
    }
}
@media (min-width: 1080px) {
    .news_list_sfd li{
        height: 180;
    }
    .news_list_sfd li .news_content_sfd h2{
        font-size: 12px;
        height: 50px;
        line-height: 21px;
    }
    .news_list_sfd li .news_content_sfd .text{
        height: calc(100% - 100px);
    }
    .picture_box{
        height: calc(100% - 50px);
    }
}
@media (min-width: 1152px) {
    .news_list_sfd li{
        height: 192px;
    }
    
    .news_list_sfd li .news_content_sfd h2{
        font-size: 12px;
        height: 50px;
        line-height: 21px;
    }
    .news_list_sfd li .news_content_sfd .text{
        height: calc(100% - 100px);
    }
    .picture_box{
        height: calc(100% - 50px);
    }
}
@media (min-width: 1366px) {
    .news_list_sfd li{
        height: 228px;
    }
    .news_list_sfd li .news_content_sfd h2{
        font-size: 18px;
        height: 68px;
        line-height: 30px;
    }
    .news_list_sfd li .news_content_sfd .text{
        height: calc(100% - 120px);
    }
    .picture_box{
        height: calc(100% - 68px);
    }
}
@media (min-width: 1440px) {
    .news_list_sfd li{
        height: 240px;
    }
    .news_list_sfd li .news_content_sfd h2{
        font-size: 18px;
        height: 68px;
        line-height: 30px;
    }
    .news_list_sfd li .news_content_sfd .text{
        height: calc(100% - 120px);
    }
    .picture_box{
        height: calc(100% - 68px);
    }
}
@media (min-width: 1920px) {
    .news_list_sfd li{
        height: 320px;
    }
    .news_list_sfd li .news_content_sfd h2{
        font-size: 24px;
        height: 90px;
        line-height: 41px;
    }
    .news_list_sfd li .news_content_sfd .text{
        height: calc(100% - 150px);
    }
    .picture_box{
        height: calc(100% - 90px);
    }
}
@media (min-width: 2160px) {
    .news_list_sfd li{
        height: 360px;
    }
    .news_list_sfd li .news_content_sfd h2{
        font-size: 24px;
        height: 90px;
        line-height: 41px;
    }
    .news_list_sfd li .news_content_sfd .text{
        height: calc(100% - 150px);
    }
    .picture_box{
        height: calc(100% - 90px);
    }
}