header{
    position: fixed;
    top: 0;
    z-index: 9999;
    width: 100%;
    height: 89px;
    font-family: 'Microsoft YaHei';
    color: #333;background: #fff;
}
#logo{
    width: 1200px;
    height: 89px;
    margin: 0 auto;
    position:relative;
}
#logo img{
    height: 45px;
    margin-top: 20px;
}
/*菜单*/
#logo ul{
    height: 69px;
    width: auto;
    margin-top:20px;
}
#logo li{
    float: left;
}
#logo li a{
    width: 90px;height: 69px;
    line-height: 69px;
    text-align: center;
    color: #555;
    display: block;
    font-size: 16px;
}
#logo li a.active{
    color:#0694cb;
    border-bottom: 3px solid #0694cb;
}
#logo li a:hover{
    color:#0694cb;
    border-bottom: 3px solid #0694cb;
}
.stock{
    position:absolute;
    right:0;
    top:5px;
    font-weight: 600;
}