.serve_banner{
    width: 100%;
    height: 360px;
    margin-top: 75px;
    background-image: url("../img/cp_banner.png");
    background-position: center;
    background-size: cover;
    position: relative;
}
.serve_banner p{
    font-size: 70px;
    color: #ffffff;
    font-weight: lighter;
    position: absolute;
    left: 19%;
    bottom: 42%;
}
#header{
    margin: 0;
    padding: 0;
}
#serve_nav{
    height: 120px;
    background: #f5f5f5;
    width: 100%;
    text-align: center;
}
#serve_nav a{
    transition: background-color .3s;
    font-size: 20px;
    background: #f5f5f5;
    width: 280px;
    height: 84px;
    display: inline-block;
    border: 1px solid #999999;
    margin-top: 18px;
    line-height: 80px;
    cursor: pointer;
    margin-right: 16px;
}
#serve_nav a:hover{
    background: #90CAF9;
    color: #ffffff;
    border: 1px solid #90CAF9;
}
.active_serve_nav{
    background: #48befe !important;
    color: #ffffff;
    border: 1px solid #48befe !important;

}

.serve_text_title{
    font-weight: normal;
    font-size: 36px;
    font-weight: lighter;
}
.serve_text_content{
    font-size: 16px;
    line-height: 30px;
    width: 550px;
    font-weight: lighter;
    color: #666666;
    text-align:left;
}
.serve_img{
    margin-top: 20px;
}
.serve_page{
    margin-top: 80px;
    height: 560px;
    overflow: hidden;
}
.serve_page_bg{
    background: #ffffff;
    height: 560px;
    overflow: hidden;
    margin-bottom: 40px;
}
.page_bg .text{
    width: 540px;
}
.serve_active{
    background: #48befe;
    color: #ffffff;
    border: 1px solid #48befe;
}
.serve_page_bg img{
    margin-top: 20px;
}

.serve_page img{
    margin-top: 30px;
}

.center_text{
    text-align: center;
}
.center_text_title{
    margin-top: 70px;
    font-weight: lighter;
    font-size: 36px;
}
.center_text_content{
    font-size: 16px;
    line-height: 30px;
    margin-top: 70px;
    font-weight: lighter;
    color: #666666;
}
.serve_center_page img{
    float: none;
    width: 800px;
    margin: 80px 200px;
}

.active{
    background: #48befe;
    color: #888;
    border: 1px solid #48befe;
}
/*ÄÚÒ³Ò³Ãæ*/
#page1{
    display: block！;
}
#page2{
    display: none;
}
#page3{
    display: none;
}
#page4{
    display: none;
}
@media screen and (max-width:1200px){
    #serve_nav a{
        width: 180px;
        height: 64px;
        font-size: 12px;
        line-height: 64px;
    }
    #serve_nav{
        height: 100px;
    }
}