nav#menu {
    width: 1200px;
    font-size: 12px;
    background-image: url('/Files/App_002/images/menu_back.png')no-repeat;
    margin: 0 auto;
    height:100px;
    border-bottom: 1px solid #aeb4c0;

}
.logo {
    width: 255px;
    top: 15px;
    left: 5px;
    position: absolute;
    z-index: 999999;
}
span.home {
    background: url('/Files/App_002/images/home.png')no-repeat center;
    height: 75px;
    width: 50px;
    position: absolute;
    top: 15px;
    left: 255px;
}
.nav ul {
    margin: 0;
    padding: 0;
    list-style: none;
    font-weight: 300;
}

.nav li span {
    display: block;
}

.nav a {
    display: block;
    color: rgba(249, 249, 249, .9);
    text-decoration: none;
}


.nav1 {
    width: 1200px;
    font-size: 12px;
    height: 40px;
    background: url('/Files/App_002/images/first_nav.png')no-repeat;
    margin: 0 auto;
    margin-top: 20px;
}
.first_header {
    width: 800px;
    float: right;
    position: relative;
    top: 5px;
    right: 10px;
}
.nav li {
    float: left;
    text-align: center;
    background-repeat: no-repeat;
    height: 100px;
}

.menu {
    background: url('/Files/App_002/images/header.jpg');
    background-repeat: no-repeat;
    height: 110px;
    border-bottom: 1px solid #aeb4c0;
    position:relative;
    width: 1200px;
    margin: 0 auto;
}