/*班友信息科技（Copyright © 2017 Banu Information Technology Co.,Ltd.）*/
body,a {font-family:SegoeUI,"Helvetica Neue",Helvetica,Arial,sans-serif;font-weight:300;}
::selection {background:#473f50;color:#fff;}
::-moz-selection {background:#473f50;color:#fff;}
::-webkit-selection {background:#473f50;color:#fff;}
.commonTab {position:fixed;left:0;top:30%;z-index:9;}
.commonTab li a {display:block;padding:20px;background:#fff;font-size:14px;color:#555;}
.commonTab li a.active,.commonTab li a:hover {background:#473f50;color:#fff;}
@media (max-width:759px) {.commonTab {position:fixed;left:0;top:60px;width:100%;z-index:9;background:white;}
    .commonTab li {float:left;width:25%;box-sizing:border-box;}
    .commonTab li a {padding:0;height:40px;line-height:40px;font-size:14px;text-align:center;}
    article section:first-child {margin-top:40px;}
}
@media screen and (min-width:900px) and (max-width:1139px) {.commonTab {position:fixed;left:0;top:60px;width:100%;z-index:9;background:white;}
    .commonTab li {float:left;width:25%;box-sizing:border-box;}
    .commonTab li a {padding:0;height:40px;line-height:40px;font-size:14px;text-align:center;}
    article {padding-top:40px;}
}
@media screen and (min-width:760px) and (max-width:899px) {.commonTab {position:fixed;left:0;top:60px;width:100%;z-index:9;background:white;}
    .commonTab li {float:left;width:25%;box-sizing:border-box;}
    .commonTab li a {padding:0;height:40px;line-height:40px;font-size:14px;text-align:center;}
    article {margin-top:40px;}
}