.w1200 {
    width: 1100px;
    margin: 0 auto;
    position: relative;
}
.case_box {
    height: 734px;
    margin-top: 60px
}
.case_box h3 {
    color: #006fa1;
    font-weight: normal;
    font-size: 42px;
    padding-top: 80px;
    padding-bottom: 60px;
    text-align: center;
}
.case_box .category ul {
    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: 215px;
    height: 58px;
    line-height: 58px;
    color: #006fa1;
    border-radius: 5px;
    cursor: pointer;
    width: 49%;
    border: 2px solid #006fa1;
}
.case_box .category ul li.active {
    color: #fff;
    background: #006fa1;
    font-weight: bold;
}
.case_box .content {
    padding-left: 50px;
}
.case_box .content .cont {
    height: 650px;
    display: none;
}
.case_box .content .cont.active {
    display: block;
    
}

.case_box .content .cont .info {
    position: absolute;
    width: 380px;
    height: 240px;
    background: #fff;
    box-shadow: 0px 0px 70px rgba(157, 179, 208, 0.4);
    left: 0;
    top: 150px;
    padding: 20px 40px 0;
    border-radius: 10px;
}

.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: 10px;
    font-size: 24px;
    color: #006fa1;
}
.case_box .content .cont .info p {
    font-size: 15px;
    line-height: 12px;
    padding-top: 30px;
    color: black;
}