.cdn_bg {
    background: url(../images/cdnad.png) no-repeat center top;
    background-size: cover;
    height: 300px;
}
/*.s-bg{
    background: url(../images/bg.png) no-repeat center top;
    background-size: cover;
    height: 200px;
}

.s-bg1{
    background: url(../images/bg1.png) no-repeat center top;
    background-size: cover;
    height: 200px;
}*/


.cdn-title{
    color: #2176da;
    font-size: 30px
}

#cdn_about{
    margin-top: 60px;
}

#cdn_about h1,
#cdn_solution h1{
    text-align: center;
    margin-bottom: 36px;
}

#cdn_about .cdn_about_bg{
    background: url(../images/cdn01.png) no-repeat center top;
    background-size: cover;
    height: 357px;
}

#cdn_detail{
    background: #dff3f6;
    padding: 70px 0;
    position: relative;
}

#cdn_solution{
    position: relative;
    padding: 70px 0;
}

#solution{
    padding-bottom: 50px;
}

#cdn_detail .cdn_box_icon,
#cdn_solution .cdn_box_icon,
#solution .cdn_box_icon{
    float: left;
    margin-top: 40px;
}

#cdn_detail p,#cdn_solution p{
    font-size: 12px;
}

#cdn_detail .cdn_box_text,
#cdn_solution .cdn_box_text,
#solution .cdn_box_text{
    margin-left: 100px;
    margin-top: 45px;
}

#solution .cdn_box_text p{
    color: #444;
    font-size: 12px;
    line-height: 2em;
}

.cdn-menu li{
    border: 1px solid #dbdbdb;
    border-bottom: none;
    display: inline-block;
    height: 54px;
    line-height: 54px;
    padding-left: 20px;
    width: 218px;
}

.cdn-menu li.cdn-menu-title{
    height: 64px;
    line-height: 64px;
    padding-left: 0px;
    text-align: center;
}

.cdn-menu .cdntitle{
    font-size: 24px;
    display: inline-block;
}

.cdn-menu .active{
    color:#2176da;
    font-size: 14px;
}

.cdn-menu a{
    font-size: 14px;
}

.cdn-menu .last{
    border-bottom: 1px solid #dbdbdb;
}

.cdn-block{
    padding: 15px 0;
    text-align: center;
}

.cdn-block .btn{
    border: 1px solid #2176da;
    color: #2176da;
    display: inline-block;
    width: 170px;
    height: 45px;
    padding: 0;
    line-height: 45px;
}

.cdn-block .btn:hover{
    background: #FFF;
}

#solution h4{
    color: #666;
}