#nav {
    width: 1280px;
    height: 50px;
    background-color: #009999;
    text-align: center;
    margin-bottom: 10px;;
}
#banner {
    background: url("../img/banner.jpg") no-repeat;
    height: 263px;
}
#nav ul {
    margin: 0 auto;
}
#nav ul li {
    display: inline-block;
}
#nav ul li a {
    display: block;
    text-decoration: none;
    font-size: 14px;
    color: #fff;
    font-family: "微软雅黑";
    margin-right: 8px;
    line-height: 50px;
    text-align: center;
}
#nav ul li a.current{background-color: #003366;padding: 0 5px;}
ul, li {
    list-style: none;
}
body {
    margin: 0;
    padding: 0;
    font-size: 12px;
}
#main {
    width: 1280px;
    margin: 0 auto;
}