.nav{
    height: 60px;
    margin-top: -6px;
    border-bottom:1px solid #ddd;
}
.nav .nav_detail li{
    padding: 0px 0px;
    margin: 0 20px;
    line-height:60px;
}
.nav .nav_detail li{
    float:left;
}
.nav .nav_detail li.active{
    border-bottom:2px solid #cc1424;
}
.nav .nav_detail li.active a{
    color:#cc1424;
}
.solution-img{float:left;}
.solution-img img{width:230px;height:140px;}
.solution-base{height:140px;margin-left:270px;}
.solution-title{font-size:24px;padding-top:20px;}
.solution-tag{padding-top:15px;}
.solution-tag a{background-color: #39424F;color: #ffffff;padding:9px 20px;float:left;border-radius:4px;margin-right:20px;line-height:14px;}
.solution-content{color:#666666;}
.border_ddd{
    border-bottom:1px solid #ddd;
}
.detail_content .get_more{
    width:140px;
    height:42px;
    line-height:42px;
    text-align:center;
    font-size:14px;
    color:#fff;
    background-color:#39424F;
    border-radius:24px;
    margin-left: 44%;
    margin-top: 100px;
    cursor: pointer;
}
.contact_title{
    margin-left:42%;
}
.cantact_us span.title{
    display:block;
    padding:10px 0px;
    font-size:24px;
    color:#333;
}
.cantact_us .title_line{
    display:block;
    width:40px;
    border-bottom:2px solid #39424F;
    margin-left: 28px;
}
#msgForm{
    margin-left:14%;
}
#msgForm li {
    margin-top:20px;
    position: relative;
}
#msgForm li input{
    width:780px;
    height:60px;
    line-height:60px;
    border-width:0px;
    border:1px solid #ddd;
    border-color:#ddd;
}
#msgForm li span{
    position: absolute;
    top: 20px;
    left: 18px;
}
#msgForm .submit{
    background-color:#39424F;
    color:#fff;
    letter-spacing: 4px;
}
#msgForm ul li:first-child{
    margin-top:40px;
}
.cantact_us{
    display:none;
    margin-top: 130px;
}
.content_show