.social-share .icon-weibo {
    color: #288ece !important;
        border-color:  #288ece  !important;
}
.social-share .social-share-icon {
    border: 1px solid #288ece !important;
}
.social-share .icon-weibo:hover {
    background: #288ece !important;
}
.return-btn a:nth-child(2){
    width: 52px;
    height: 52px;
}
.nav {
    margin-top: 34px;
    margin-left: 374px;
    /* background-color: aqua; */
    height: 38px;
    border-bottom: 1px solid #595959;

}

.nav ul li {
    float: left;
    margin-right: 50px;
    
}
.nav ul li:nth-child(4) a{
    color:#288ece;}
   
    
    .nav ul li:nth-child(4)  {
        border-bottom: 1px solid #288ece;
    }
.nav ul li a {
    color: #c5c6c5;
    font-size: 16px;

}
/* .nav ul li:hover a {
    color:#288ece;
} */
.nav ul li {
    height:38px ;
}
/* .nav ul li:hover{

    border-bottom: 1px solid #288ece;

} */
.nav ul li:nth-last-child(1){
   
    font-weight: 700;
    margin-right: 0;
}
.nav ul li:nth-last-child(1) a {
    color: #288ece;
}



.synopsis {
    position: relative;
    height: 1800px;
/*   
    background: url(../images/beibei_02.jpg) no-repeat;
    background-position: left 400px; */
}

.navigation ul {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    top: -50px;
}
.navigation ul li{
    float: left;
    width: 150px;
    height: 50px;
    font-size: 16px;
    margin-right: 1px;
    background-color: #aab0b7;
    opacity: 0.7;
    text-align: center;
    line-height: 50px;
    font-size: 16px;
    color: #fff;

}
.navigation ul li:nth-child(1){
    height: 48px;
    margin-right: 11px;
    background-color: #fff;
   
    opacity: 1;
    border-top:2px solid #288ece;
}
.navigation ul li:nth-child(1) a{
    color: black;
}
.news-d {
    width: 1200px;
    margin: 0 auto;
 
    
    overflow: hidden;
}
.news-d-top {
    text-align: center;
    height: 115px;
    border-bottom: 1px solid #e8e8e8;
}
.news-d-top>h2 {
    margin-top: 120px;
    font-size: 40px;
    font-weight: 400;
  
}
.news-d-top>p {
    font-size: 12px;
    color: #d3d3d3;
    margin-top: 20px;
    
}

.news-d-content>p:nth-child(1){
    font-size: 14px;
    line-height: 30px;
    margin-top: 50px;
    height: 184px;
    color: #b8b8b8;

}
.d-content-bottom {
    padding-top: 50px;
    /*height: 544px;*/
    width: 1200px;
    /* background-color: black; */
    border-bottom: 1px solid #e6e6e6;
}

.d-content-bottom p{
 margin-bottom: 50px;
 font-size: 14px;
 color: #171717;
}
.news-bottom {
    position: relative;
    height: 295px;
    padding-top: 41px;

}
.news-bottom>p {
    position: relative;
    width: 700px;
    height:87px;
    border-bottom: 1px solid #e6e6e6;
    line-height: 87px;
    color: #c2c2c2;
}
.news-bottom>p span{
    position: absolute;
    right: 0;
    left: auto;
    font-size: 12px;
    color: #cccccc;
}
.return-btn {
    position: absolute;
    right: 0;
    top: 80px;
}
.return-btn a {
    
    display: block;
    float: left;
    width: 50px;
    height: 50px;
    margin-right: 20px;
    background-color:#288ece ;
    text-align: center;
    line-height: 50px;

}
.return-btn a:nth-last-child(1){
    margin-right: 0;
    
}
.return-btn a>span {
    font-size: 20px;
    color: #fff;
    
}
.return-btn a:nth-child(1)>span {
    font-size: 20px;
    color: #fff;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);
}

.return-btn .social-share  {
    display: none;
  
  
}
.icon-weibo:before {
    display: none;
}
.social-share .social-share-icon {
    width: 50px !important;
    height: 50px !important;
   border-radius:0 !important;
}