#nav_down li{
    float:left;
    width:33.333%;
    height:150px;
    /* background-color: antiquewhite; */
    overflow: hidden;
}
#nav_down li p{
    width:67.7%;
    margin-left: 21.6667%;
}
#nav_down li p:first-child{
    font-size:26px;
    font-weight:500;
    color:rgba(1,1,1,1);
    margin-top: 30px;
}
#nav_down li p:last-child{
    font-size:18px;
    font-weight:200;
    color:rgba(0,0,0,1);
    opacity:0.8;
    margin-top: 15px;
}
#nav_down li:first-child{
    background-image: url(../img/nav_down1.png);
    background-size: 33px 25px;
    background-repeat: no-repeat;
    background-position: 10.4167% 35px;       
}
#nav_down li:nth-child(2){
    background-image: url(../img/nav_down2.png);
    background-size: 28px 27px;
    background-repeat: no-repeat;
    background-position: 10.4167% 34px;       
}
#nav_down li:last-child{
    background-image: url(../img/nav_down3.png);
    background-size: 28px 29px;
    background-repeat: no-repeat;
    background-position: 10.4167% 32px;       
}
#nav_down{
    height:150px;
}

.product_details_main_ul{
    width:100%;
}
.product_details_main_li{
    width:100%;
    height:0;
    padding-bottom: 43%;
    position: relative;
    margin-top:40px;
}
.pro_list_bg{
    background-size: 100% 100%;
    background-repeat: no-repeat;
    background-position: 0 0;     
    overflow: hidden; 
}
.pro_list_bg1{
    width:22.0138%;
    height:0;
    padding-bottom: 41.4583%;
    float:left;
    z-index: 98;
}
.product_details_main_ul li.product_details_main_li:nth-child(1) .pro_list_bg1{
    background-image: url(../img/pro_list1_bg1.png);    
}
.product_details_main_ul li.product_details_main_li:nth-child(2) .pro_list_bg1{
    background-image: url(../img/pro_list1_bg2.png);    
}
.product_details_main_ul li.product_details_main_li:nth-child(3) .pro_list_bg1{
    background-image: url(../img/pro_list1_bg3.png);    
}
.product_details_main_ul li.product_details_main_li:nth-child(4) .pro_list_bg1{
    background-image: url(../img/pro_list1_bg4.png);    
}
.product_details_main_ul li.product_details_main_li:nth-child(5) .pro_list_bg1{
    background-image: url(../img/pro_list1_bg5.png);    
}
.product_details_main_ul li.product_details_main_li:nth-child(6) .pro_list_bg1{
    background-image: url(../img/pro_list1_bg6.png);    
}
.pro_list_bg2{
    background-image: url(../img/pro_list_bg2.png);
    width:28.6388%;
    height:0;
    padding-bottom: 41.4583%;
    float:left;
    z-index: 99;
}
.pro_list_bg3{
    position: absolute;
    width:50%;
    height:0;
    padding-bottom: 41.4583%;
    top:0;
    right:0;
    z-index: 100;
    background:rgba(254,254,254,1);
    background-image: url(../img/index_list_bg.png);
    background-size: 100% 100%;
    background-repeat: no-repeat;
    background-position: 0px 0px;   
    box-shadow:0px 4px 8px 0px rgba(216,216,216,0.6);
    box-sizing: border-box; 
}
.pro_list_bg1_p1{
    font-size:30px;
    font-weight:500;
    color:rgba(41,127,214,1);
    text-align: center;
    margin-top: 65px;

}
.pro_list_bg1_p2{
    font-size:20px;
    font-weight:400;
    color:rgba(41,127,214,1);
    text-align: center;
    margin-top: 20px;
}
.pro_list_bg2 p,.pro_list_bg2 li{
    text-align: center;
    color:rgba(255,255,255,1);
}
.pro_list_bg2_title{
    font-size:22px;
    font-weight:400;
    margin-top:16%;
}
.pro_list_bg2_ul{
    width:100%;
    margin-top:60px;
    height:0px;
    padding-bottom: 80%;
}
.pro_list_bg2_ul li{
    width:50%;
    height:0;
    padding-bottom: 16.176%;
    float:left;
    font-size:18px;
    font-weight:400;
    color:rgba(255,255,255,1);
    /* line-height:66px; */
    vertical-align: middle;
}
.pro_list_bg2_details{
    width:150px;
    height:30px;
    border:1px solid rgba(255,255,255,1);
    border-radius:7px;    
    line-height: 30px;
    text-align: center;
    margin:4.5% auto;
}
.pro_list_bg2_details a{
    color:white;
}
.pro_list_bg3 ul{
    width:100%;
    height:0;
    padding-bottom:82.889%;
}
.pro_list_bg3 ul li{
    width:50%;
    height:0;
    padding-bottom: 41.4444%;
    float: left;
    background-size: 100% 85%;
    background-repeat: no-repeat;
    background-position: 0 20px;   
}


.product_details_main_ul li.product_details_main_li:nth-child(1) .pro_list_bg3 ul li:nth-child(1){
    background-image: url(../img/pro_list_bg3_ul_1.png);   
}
.product_details_main_ul li.product_details_main_li:nth-child(1) .pro_list_bg3 ul li:nth-child(2){
    background-image: url(../img/pro_list_bg3_ul_2.png);   
}
.product_details_main_ul li.product_details_main_li:nth-child(1) .pro_list_bg3 ul li:nth-child(3){
    background-image: url(../img/pro_list_bg3_ul_3.png);   
}
.product_details_main_ul li.product_details_main_li:nth-child(1) .pro_list_bg3 ul li:nth-child(4){
    background-image: url(../img/pro_list_bg3_ul_4.png);   
}

.product_details_main_ul li.product_details_main_li:nth-child(2) .pro_list_bg3 ul li:nth-child(1){
    background-image: url(../img/pro_list_bg3_ul_5.png);   
}
.product_details_main_ul li.product_details_main_li:nth-child(2) .pro_list_bg3 ul li:nth-child(2){
    background-image: url(../img/pro_list_bg3_ul_6.png);   
}
.product_details_main_ul li.product_details_main_li:nth-child(2) .pro_list_bg3 ul li:nth-child(3){
    background-image: url(../img/pro_list_bg3_ul_7.png);   
}
.product_details_main_ul li.product_details_main_li:nth-child(2) .pro_list_bg3 ul li:nth-child(4){
    background-image: url(../img/pro_list_bg3_ul_8.png);   
}

.product_details_main_ul li.product_details_main_li:nth-child(3) .pro_list_bg3 ul li:nth-child(1){
    background-image: url(../img/pro_list_bg3_ul_9.png);   
}
.product_details_main_ul li.product_details_main_li:nth-child(3) .pro_list_bg3 ul li:nth-child(2){
    background-image: url(../img/pro_list_bg3_ul_10.png);   
}
.product_details_main_ul li.product_details_main_li:nth-child(3) .pro_list_bg3 ul li:nth-child(3){
    background-image: url(../img/pro_list_bg3_ul_11.png);   
}
.product_details_main_ul li.product_details_main_li:nth-child(3) .pro_list_bg3 ul li:nth-child(4){
    background-image: url(../img/pro_list_bg3_ul_12.png);   
}

.product_details_main_ul li.product_details_main_li:nth-child(4) .pro_list_bg3 ul li:nth-child(1){
    background-image: url(../img/pro_list_bg3_ul_13.png);   
}
.product_details_main_ul li.product_details_main_li:nth-child(4) .pro_list_bg3 ul li:nth-child(2){
    background-image: url(../img/pro_list_bg3_ul_14.png);   
}
.product_details_main_ul li.product_details_main_li:nth-child(4) .pro_list_bg3 ul li:nth-child(3){
    background-image: url(../img/pro_list_bg3_ul_15.png);   
}
.product_details_main_ul li.product_details_main_li:nth-child(4) .pro_list_bg3 ul li:nth-child(4){
    background-image: url(../img/pro_list_bg3_ul_16.png);   
}

.product_details_main_ul li.product_details_main_li:nth-child(5) .pro_list_bg3 ul li:nth-child(1){
    background-image: url(../img/pro_list_bg3_ul_17.png);   
}
.product_details_main_ul li.product_details_main_li:nth-child(5) .pro_list_bg3 ul li:nth-child(2){
    background-image: url(../img/pro_list_bg3_ul_18.png);   
}
.product_details_main_ul li.product_details_main_li:nth-child(5) .pro_list_bg3 ul li:nth-child(3){
    background-image: url(../img/pro_list_bg3_ul_19.png);   
}
.product_details_main_ul li.product_details_main_li:nth-child(5) .pro_list_bg3 ul li:nth-child(4){
    background-image: url(../img/pro_list_bg3_ul_20.png);   
}

.product_details_main_ul li.product_details_main_li:nth-child(6) .pro_list_bg3 ul li:nth-child(1){
    background-image: url(../img/pro_list_bg3_ul_21.png);   
}
.product_details_main_ul li.product_details_main_li:nth-child(6) .pro_list_bg3 ul li:nth-child(2){
    background-image: url(../img/pro_list_bg3_ul_22.png);   
}
.product_details_main_ul li.product_details_main_li:nth-child(6) .pro_list_bg3 ul li:nth-child(3){
    background-image: url(../img/pro_list_bg3_ul_23.png);   
}
.product_details_main_ul li.product_details_main_li:nth-child(6) .pro_list_bg3 ul li:nth-child(4){
    background-image: url(../img/pro_list_bg3_ul_24.png);   
}




.pro_list_bg3 ul li p:first-child{
    font-size:26px;
    font-weight:500;
    color:rgba(42,127,214,1);
    margin-top:3%;
    text-align: center;
}
.pro_list_bg3 ul li p:last-child{
    margin-top:57.5%;
    text-align: center;
}
.pro_list_bg3 ul li p:last-child a{
    color:rgba(42,127,214,1);
}


.news_main{
    margin-top:30px;
}
.news_main_left{
    width:48.26%;
    float:left;
}
.news_main_left div{
    width:100%;
    overflow: hidden;
    height:50px;
    padding-bottom: 36.311%;
}
.news_main_left div img{
    width:100%;
    height:auto;
}
.news_main ul{
    width:46.26%;
    float:right;
    margin-right: 2%;    
}
#check_more_news{
    clear: both;
}
.news_title{
    font-size: 18px;
    line-height: 40px;
    font-weight:bold;
}
.news_title a{
    color:rgba(0,0,0,1);
}
.news_text{
    font-size:14px;
    font-weight:400;
    color:rgba(123,123,123,1);   
    line-height: 25px;
    height:100px;
    overflow: hidden;
}
.news_main ul li{
    width:100%;
    height:125px;
    border-bottom:1px solid rgba(221,221,221,1);
    overflow: hidden;
}
.news_main ul li:last-child{
    border: none;
}
.news_main ul li{
    margin-top:20px;
}
.news_main ul li:first-child{
    margin-top: 0;
}
.date{
    width:100px;
    height:100px;
    float:left;
    background:rgba(41,127,214,1);
    border-radius:3px;
    text-align: center;
    color:white;
}
.date p:first-child{
    font-size: 42px;
    line-height: 62px;
}
.date p:last-child{
    font-size: 20px; 
}
.news_con{
    width: calc(100% - 120px);
    float:right;
}
.news_main ul li .news_title{
    line-height: 88px;
}
.news_main ul li .news_text{
    height:50px;
}
.product_details_box_and_news{
    padding-top:60px;
    background:rgba(242,242,242,1);
    padding-bottom: 130px;
}
.bottom {
    margin-top:0!important;
}