* {
    margin: 0;
    padding: 0;
    font-family: "microsoft yahei";
}
img {
    border: none;
}
a {
    text-decoration: none;
}
ol, ul {
    list-style: none;
}
div {
    display: block;
}
.w1200 {
    width: 1140px;
    margin: 0 auto;
    position: relative;
}
.page-header{margin:0}
.case_box {
    background: url(../images/case_bg.jpg) no-repeat center top;
    min-height: auto;
    height: auto;
}
.case_box h3 {
    color: #081232;
    font-weight: normal;
    font-size: 42px;
    padding-top: 80px;
    padding-bottom: 60px;
    text-align: center;
}
.case_box h4 {
    color: #081232;
    font-weight: normal;
    font-size: 36px;
    padding-top: 20px;
    padding-bottom: 10px;
    text-align: center;
}
.tutu img{
    float: left; margin-right: 15px; max-width: 100%; }
.tutu2 img{
    float: right; margin-left: 15px;max-width: 100%; }
.case_box .category ul {
    margin-top: 40px;
    padding-left: 50px;
    padding-bottom: 40px;
    display: block;
    height: auto;
    overflow: hidden;
}
.case_box .category ul li {
    float: left;
    font-size: 20px;
    text-align: center;
    width: 180px;
    height: 58px;
    line-height: 58px;
    color: #939aac;
    border-radius: 5px;
    cursor: pointer;
}
.case_box .pcontent{float: left; }
.case_box .category .shu{ float: right;}
.case_box .shu ul li{width:90%;}
.case_box .shu ul li a{ color: #939aac;}
.case_box .shu ul li.active a{color: #ffffff;}
.case_box .category ul li.active {
    color: #fff;
    background: #002e58;
}
.case_box .content {
    padding-left: 50px;
}
.case_box .content .cont {
    /*height: 650px;*/
    display: none;
}
.case_box .content .cont.active {
    display: block;
    overflow: hidden;
}
.conti{float: left; margin-bottom:35px; width: 100%;}
.ileft{float: left;width: 520px;}
.case_box .content .cont .info {
    /*position: absolute;*/
    float: left;
    width: 520px;
    height: 340px;
    background: #fff;
    box-shadow: 0px 0px 70px rgba(157, 179, 208, 0.4);
/*    left: 0;
    top: 120px;*/
    padding: 10px 40px 0;
    margin-top: 58px;
    border-radius: 10px;
}
.case_box .content .cont img.bg {
   /* position: absolute;*/
    border: 1px solid #E3E3E3;
    right: 0;
    top: 0;
    float: left;
    width:600px;
    height: 450px;
}
.case_box .content .cont .info .more{float: right;margin-right: 5px;}
.case_box .content .cont .info .title .logo {
    float: left;
    padding-right: 25px;
}
.case_box .content .cont .info .title:after {
    content: "";
    display: block;
    width: 0;
    height: 0;
    clear: both;
}
.case_box .content .cont .info .title h4 {
    float: left;
    padding-top: 30px;
    font-size: 24px;
    color: #707070;
}
.case_box .content .cont .info p {
    font-size: 16px;
    line-height: 32px;
   /* padding-top: 10px;*/
    color: #828b9f;
}
.case_box .content .cont .info p img{width:80px; height: 80px; padding-right: 35px;}
.single-news-img img{text-align: center; padding-bottom: 15px;width: 100%; height: auto;}
.img-fluid {
    max-width: 100%;
    height: auto;
}
.gray90{width: 100%; margin: 0 auto; background-color: #f9f9f9; padding: 20px; margin-bottom: 15px;}
.clearfix{clear: both;}
.mb-0{font-weight: 600;}
.cla{float: right;}
@media screen and (max-width:1280px) {
    .w1200{width:1003px;}
    .case_box .content .cont img.bg{
        width:520px;
        height: 350px;
    }
    .ileft {
        float: left;
        width: 450px;
    }
    .case_box .content .cont .info{width:450px;}
    .case_box .category ul li{width:158px; font-size: 18px;}
    .case_box .content .cont .info p{line-height:22px;}
    .case_box{height: auto;}
    .case_box .content .cont .info .title h4 {
       font-weight:600;
        font-size: 20px;

    }
}
@media screen and (max-width:800px){
    .w1200{width:90%;}
.cla{float: left;}
    .case_box .content .cont img.bg{
        width:100%;
        height:auto;
    }
    .ileft{width:100%}
    .case_box .content .cont .info {
        width: 100%;margin-top: 28px;height: auto;
    }
    .case_box .category ul li{width:100%;}
    .case_box .content .cont .info .title h4{font-size: 18px;}
    .case_box .content .cont .info p{font-size: 14px;}
    .case_box h4{font-size: 20px;}
    .case_box .category ul{margin: 0 auto;margin-top: 10px;padding-left:0;padding-bottom:10px; }
}