html,body {
    margin: 0 auto;
    padding: 0;
    font-size: 16px;
    -moz-user-select: none;
    -webkit-user-select: none;
    -ms-user-select: none;
    font-family: 'arial', '黑体';
    height: 100%;
    background: url(../images/index/beijing.jpg) no-repeat;
    background-repeat: repeat-y;
    background-size: cover;
    background-position: 0 0;
    color: #ffffff;
    background-color: #111527;
    animation: step 160s linear infinite;
}
@keyframes step{
    0% {
        background-position: 0 0;
    }
    100% {
        background-position: 0 -3067px;
    }
}
a,a:hover { 
    text-decoration:none; 
    color:#fff;
}

header {
    height: 80px;
    margin: auto;
    width: 1000px;
}
header .logo {
    margin-top: 15px;
    float: left;
}
header .nav-list {
    float: right;
}
header .nav-list .nav {
    float: left;
    width: 110px;
    height: 80px;
}
header .nav-list .hover {
    background-image: linear-gradient(to top, rgba(49,152,252, 0.2) 0%, rgba(49,152,252, .8) 100%);
}
header .nav-list .nav a {
    color: #2084c4;
    display: block;
    text-decoration: none;
    text-align: center;
    height: 80px;
}
header .nav-list .hover a{
    color: #fff;
}
header .nav-list .nav a .cn {
    padding-top: 18px;
    font-size: 18px;
    display: block;
}
header .nav-list .nav a .en {
    font-size: 12px;
    display: block;
    margin-top: 5px;
}

.body .op {
    height: 5px;
    background-image: linear-gradient(to bottom, rgba(255,255,255, 0) 0%, rgba(41,68,155, .7) 50%, rgba(255,255,255, 0) 100%);
    position: relative;
    top: -6px;
}

footer {
    margin-top: 40px;    
    clear: both;
}
footer .shadow {
    height: 56px;
    background-image: linear-gradient(to bottom, rgba(255,255,255, 0) 0%, rgba(41,68,155, 0.7) 100%);
    position: relative;
}
footer .text {
    text-align: center;
    background-color: #111527;
    padding: 25px;
    line-height: 25px;
    font-size: 16px;
    color: #696969;
}
footer .text span {
    display: block;
}
footer .text .copy {
    font-size: 14px;
    margin-top: 15px;
}
footer .text .pass {
    font-size: 14px;
}