.xn_c_sv_3_wrap{width:100%;margin:45px auto;overflow: hidden;}
.xn_c_sv_3_box{width: 660px;float: left;}
.xn_c_sv_3_name{font-size: 18px;line-height: 58px;font-weight: bold;color: #515151;margin-bottom: 20px;}
.xn_c_sv_3_cont{width: 660px;font-size: 14px;line-height: 30px;}
.xn_c_sv_3_imgbox{float: right;width: 445px;height: 230px;margin: 20px 14px 0 0;box-shadow: 0 0 15px #d1d1d1;}
.xn_c_sv_3_imgbox img{width: 100%;height: 100%;}
@media (max-width: 767px) {
    .xn_c_sv_3_wrap{width:100%;margin:20px auto;overflow: inherit;}
    .xn_c_sv_3_box,.xn_c_sv_3_cont{width: 100%;float: none;}
    .xn_c_sv_3_imgbox{display: none;width: 100%;height: auto;margin: 0.2666667rem 0rem;box-shadow: 0 0 0.2rem #d1d1d1;}
    .xn_c_sv_3_imgbox img{width: 100%;height: 100%;}
}

.xn_c_sv_20_wrap{width:100%; margin: 0px auto 90px;}
.xn_c_sv_20_out{height: 38px;line-height: 38px; width: 100%;margin-bottom: 12px; }
.xn_c_sv_20_top{float: left;font-size: 14px;color: #1d4092;}
.xn_c_sv_20_btn{float: right;height: 38px;overflow: hidden;}
.xn_c_sv_20_btn>div{width: 36px;height: 38px;border: 1px solid #dbdedc;margin-left: 10px;float: left;cursor: pointer;}
.xn_c_sv_20_left{background: url("../images/left_btn.png") no-repeat center;}
.xn_c_sv_20_left:hover{background: url("../images/left_btn_hover.png") no-repeat center #1d4092;border-color: #1d4092;}
.xn_c_sv_20_right{background: url("../images/right_btn.png") no-repeat center;}
.xn_c_sv_20_right:hover{background: url("../images/right_btn_hover.png") no-repeat center #1d4092;border-color: #1d4092;}
.xn_c_sv_20_cont{height: 164px; width: 100%;overflow: hidden;}
.xn_c_sv_20_ul{height: 164px; width: 100%!important;}
.xn_c_sv_20_li{height: 164px; width: 23%; float: left;margin-right: 3%;border: 1px solid #d2d2d2;padding: 1px;}
.xn_c_sv_20_li img{height: 100%; width: 100%; cursor: pointer;}
@media (max-width: 767px) {
    .xn_c_sv_20_wrap{width:9.44rem;margin:0.6rem auto;overflow: inherit;}
    .xn_c_sv_20_out{height: 0.5066667rem;line-height: 0.5066667rem; width: 100%;margin-bottom: 0.16rem; }
    .xn_c_sv_20_top{float: left;font-size: 0.32rem;color: #1d4092;}
    .xn_c_sv_20_btn{float: right;height: 0.5066667rem;overflow: hidden;}
    .xn_c_sv_20_btn>div{width: 0.48rem;height: 0.5066667rem;border: 1px solid #dbdedc;margin-left: 0.1333333rem;float: left;cursor: pointer;background-size:0.09333333rem 0.1466667rem;}
    .xn_c_sv_20_cont{height: auto; width: 100%;overflow: hidden;}
    .xn_c_sv_20_ul{height: 6.666667rem; width: 100% !important;overflow:hidden;}
    .xn_c_sv_20_li{height: 2.75rem; width: 4.4rem; float: left;margin-right: 0rem;margin-bottom:0.6666667rem; border: 1px solid #d2d2d2;padding: 1px;}
    .xn_c_sv_20_li:nth-child(2n){float:right;}
    .xn_c_sv_20_li img{height: 100%; width: 100%; cursor: pointer;}
}