.banner{width:100%;}
.banner img{width:100%;}

.productlist{width:1000px;margin:0 auto;overflow:hidden;margin-top:40px;margin-bottom:50px;}
.leftnav{float:left;}
.leftnavul{background:#333333;color:#fff;width:250px;}

.leftnavul .link {
    border-bottom: 1px solid #474747;
    cursor: pointer;
    display: block;
    font-size: 16px;
    padding: 15px;
    position: relative;
    transition: all 0.4s ease 0s;
}

.location {
    border-bottom: 1px solid #ddd;
    margin-bottom: 15px;
    overflow: hidden;
    padding-bottom: 15px;
}
.location a{color:#000;}
.location ul li {
    color: #333;
    float: left;
    padding: 0 5px;
}
.rightcon{float:right;width:710px;}
.leftnavul .link a{color:#fff;font-size:16px;}
.productitemcon li{float:left;margin-right:10px;}
.ptitle{height:30px;line-height:30px;text-align:center;}

.about{width:100%;}