#slider_nav_box{
    width:100%;
    height:0;
    padding-bottom: 22%;
    margin-top:30px;
    overflow: hidden;
    /* background-color: aqua */
}
#slider_nav ul li{
    text-align: center;
}
#slider_nav ul li img{
    display: block;
    width:65%;
    margin:0 auto 5px;
}
#slider_nav ul li a{
    display: block;
    width:100%;
    height:0;
    padding-bottom: 120%;
    color:#1B1B1B;
    position: relative;
}
#slider_nav ul li a span{
    display: block;
    width:100%;
    padding-bottom: 120px;
    position: absolute;
    left:0;
    top:0%;
    line-height: 140px;
}
#slider_nav_ul{
    overflow: visible;
    margin-left:-10%;
}
.index_pro{
    /* width:94.66667%; */
    margin-top:20px;
}
.index_pro ul{
    width:100%;
    height:0;
    position: relative;
    padding-bottom:122.2676%;
}
.index_pro_min ul{
    padding-bottom: 111.2676%;
}
.index_pro ul li{
    width:48.6%;
    position: absolute;
}
.index_pro ul li:nth-child(1){
    top:0;
    left:0;
}
.index_pro ul li:nth-child(2){
    top:0;
    right:0;
}
.index_pro ul li:nth-child(3){
    bottom:0;
    left:0;
}
.index_pro ul li:nth-child(4){
    bottom:0;
    right:0;
}
.index_pro ul li img{
    width:100%;
}
.index_pro ul li p{
    line-height: 35px;
    height:35px;
    background-color:rgba(243,243,243,0.6);
    border-radius:0px 0px 4px 4px;
}
.index_pro ul li p span{
    font-size:16px;
    display: block;
    float:left;
    margin-left:10px;
}
.index_pro ul li p a{
    line-height: 35px;
    display: block;
    float: right;
    font-size: 14px;
    color: rgba(27,27,27,1);
    opacity: 0.6;
    padding-right: 15px;
    background-image: url(../img/index_arrow_down.png);
    background-size: 18px 35px;
    background-position: 26px 1px;
    background-repeat: no-repeat;

}
.news_img{
    width:29.2%;
    float:left;
}
.news_img img{
    width:100%;
}
.news_con{
    width:67.4%;
    float:right;
}
#index_news_ul li{
    width:100%;
    clear: both;
    height:0;
    padding-bottom: 32.225%;
}
.news_con p:first-child{
    font-size: 16px;
    font-weight: bold;
    line-height:30px;
    height:30px;
    overflow: hidden;
}
.news_con p:nth-child(2){
    font-size: 14px;
    color:rgba(27,27,27,1);
    line-height:20px;
    opacity:0.8;
    height:60px;
    overflow: hidden;
}
.news_con p:nth-child(3){
    /* font-size:13px; */
    margin-top:5px;
    color:rgba(27,27,27,0.8);
    line-height:35px;
    opacity:0.8;    
}
.news_con p:nth-child(3) a{
    color:rgba(27,27,27,0.8);
    line-height:30px;
    opacity:0.8;  
    display: block;
    float:right;
    font-size: 13px;
    padding-right: 24px;
    background-image: url(../img/index_arrow_down.png);
    background-size: 18px 35px;
    background-position: 30px -3px;
    background-repeat: no-repeat;
}
.news_con p:nth-child(3) span{
    display: block;
    float: left;
}
.line{
    clear: both;
    width:100%;
    height:1px;
    background:rgba(217,217,217,1);
    margin:12px auto;
}