/* 头部 */
div{
    box-sizing: border-box;
}
.banner{
    position: relative;
    z-index: 1;
    width: 100%;
    height: 450px;
    background: #f7f7f7;
    overflow: hidden;
   top: -90px;
}
.banner img {
    position: relative;
    width: 100%;
    z-index: 1;
    height: 450px;
    /* margin-left: -960px; */
    overflow: hidden;
}
.banner-text {
    position: absolute;
    top: 0;
    z-index: 9;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,.1);
}
.banner .banner-title {
    padding: 180px 0 30px;
    text-align: left;
}
.banner .banner-title h3 {
    width: 70%;
    font-size: 36px;
    line-height: 50px;
    letter-spacing: 6px;
    font-weight: 700;
    color: #fff;
}
.banner .banner-title > h5 {
    width: 70%;
    margin: 20px 0 30px;
    font-size: 16px;
    line-height: 24px;
    color: #fff;
    font-weight: 400;
}
.zixun-content{
    margin-top:-90px;
}
.news-title{
    width: 100%;
    text-align: center;
    font-size: 36px;
    line-height: 50px;
    letter-spacing: 6px;
    font-weight: 700;
    color: #343434;
    
}
.zixun-top .sub-item{
   margin-right: 20px;
}
.zixun-top .sub-item a{
    display: block;
    padding: 0 20px;
    height: 40px;
   line-height: 40px;
    color: #343434;
    border-radius: 18px;
}
.zixun-top .sub-item.active a,.zixun-top .sub-item:hover a{
    color: #fff;
    background: linear-gradient(right,#4e44f6, #656bfa,#7a8dfe);   
    background: -webkit-linear-gradient(right,#4e44f6, #656bfa,#7a8dfe);
    background: -o-linear-gradient(right, #4e44f6, #656bfa,#7a8dfe);
    background: -moz-linear-gradient(right,#4e44f6, #656bfa,#7a8dfe);
    background: -ms-linear-gradient(right,#4e44f6, #656bfa,#7a8dfe);
}

.zixun-list{
    margin-top: 40px;

}
.zixun-list .zixun-item{
    float: left;
    width: 380px;
    height: 380px;
    margin-right: 30px;
    margin-bottom: 20px;
    /* background: url(../images/case_bg.png) no-repeat left top;*/
       box-shadow: 0 5px 8px rgba(0,0,0,.5);
    -webkit-box-shadow: 0 5px 8px rgba(0,0,0,.5);
    -moz-box-shadow: 0 5px 8px rgba(0,0,0,.5);
    -o-box-shadow: 0 5px 8px rgba(0,0,0,.5);
    padding: 15px;
}
.zixun-list .zixun-item:nth-child(3n){
    margin-right:0px;
}
.zixun-item .img-box{
    width:100%;
    height: 215px;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.zixun-item .img-box img{
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    vertical-align: middle;
    transition: all .5s;
    -moz-transition: all .5s;
    -webkit-transition: all .5s;
    -o-transition: all .5s;
}
.zixun-item .img-box:hover img{
  transform: scale(1.2);
}
.zixun-list {
    width: 100%;
}
.zixun-bottom .zixun-title h4{
   color: #282828;
   font-size: 20px;
  padding: 15px 0;
  overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.zixun-desc p{
    font-size: 14px;
    color: #333;
    line-height:24px;
    text-align: justify;
    margin-bottom: 5px;
}
.zixun-date{
    justify-content: space-between;
}
.zixun-date .date-span{
    font-size: 0;
}
.date-span span{
display: inline-block;
 font-size: 12px;
 color: #989898;
}
.zixun-date .more img{
   width: 22px;
   height: auto;
}
@media (min-width: 1930px){
    .common-con{width: 80%;}
    .zixun-list .zixun-item{
        width: 23%;
        margin-bottom: 30px;
        padding: 20px;
        height: 425px;
    }
    .zixun-list .zixun-item:nth-child(3n){
    margin-right:30px;
}
.zixun-list .zixun-item:nth-child(4n){
    margin-right:0px;
}
    .zixun-item .img-box{
        width: 100%;
        height: 250px;
        margin:0 auto;
    }
    .date-span span{
        font-size: 14px;
    }
}
 @media screen and (max-width: 1199px) {
    .common-con {
        width:1000px;
        margin: 0 auto;
     }
}