@charset "utf-8";
/* CSS Document */

.overview-site-header{width:100%;margin:0 auto;background:rgba(225,225,225,0.2);height:50px;position: absolute;top:70px;}
.overview-menu{ width:500px; margin:auto;}
.overview-menu li { display:inline-block; margin-right:20px; margin-left:30px;}
.overview-menu li a{ padding:10px 5px; font-size:16px; color:#666666; font-family:Microsoft YaHei; text-decoration:none; line-height:50px;}
.overview-menu li a:hover {border-bottom:5px solid #fd9706; color:#fd9706}
.overview-menu li a.active_a{border-bottom: 5px solid #fd9706; color:#fd9706}
.overview-menu li a.active_a{border-bottom: 5px solid #fd9706; color:#fd9706}
.what{ width:900px; margin:auto; padding-top:50px;padding-bottom:80px;}
.what-img{ height:620px; width:1500px; margin:auto; padding-top:80px;background: url(computer-overview.webp) center no-repeat; background-size:80% 80%; padding-bottom:100px;}
.p-why{ width:900px; padding-bottom:80px; margin:auto;}
.u-p-why{ width:900px; height:50px;}
.img-why{ padding-right:60px; float:left;}
.u-p-why p{color:#333333; font-family:Microsoft YaHei; }
.d-p-why{ padding-top:0px; padding-left:120px; line-height:28px; color:#666666; font-family:Microsoft YaHei; font-size:16px; text-indent:2em;}
/*.overview{ padding-bottom:100px;}*/

.grey{
    background: #f2f5fa;
}
.product_bannerbg{
    width: 100%;
    height: 600px;
    background: #f3f9ff;
    
}
.product_banner{
    width: 1000px;
    height: 400px;
  margin: auto;
    background: url(genggai1.png) right no-repeat;
}
.product_banner_t{
    font-size: 34px;
    color: #2c8bea;
    font-family: 微软雅黑 bold;
text-align: center;
    line-height: 180px;
    height: 160px;
    width: 1000px;
    margin: auto;
    
    
    
}
.product_banner_p{
    font-size: 26px;
    color: #595959;
    padding-top: 130px;
    
    font-family: 微软雅黑 light;
    text-align: left;
    line-height: 60px;
}
.product_banner_bg{
    
    width: 100%;
    height: auto;
    padding: 35px 0;
    
}
.aligcenter{
   clear: both;
    display: block;
    margin: auto;
    padding: 55px 0;
}
.product-next{text-align: center;
    font-size: 24px;
    font-family: Microsoft YaHei;}
.product-next a{text-decoration: none;
    cursor: pointer;
    color: #666666;}