body{
    margin:auto;
    padding: 0;
}
.header {
    width:100%;
    min-width: 1300px;
}
.header-top {
    height:90px;
    width:90%;
    margin:auto;
}
.header-top-left {
    float: left;

}
.shuffling {
    width:100%;
    margin:auto;
    height:600px;
}
.header-top-left p {
    margin-top:22px;
    font-size: 28px;
    font-weight: bold;
    letter-spacing: 3px;
    color:#1E50AE;
}
.header-top-right {
    float:right;
    margin-top:5px;
}
.header-top-right .fwrx {
    margin:10px;
    float:left;
}
.header-top-right .lxwm {
    margin:10px;
    float:right;
}
.header-top-right img {
    width:50px;
    margin-left: 3px;
    margin-bottom: 5px;
}
.header-nav {
    width:100%;
    margin:0 auto 0 auto;
    height: 40px;
    background-color: #1E50AE;
}
.header-nav-child {
    margin :auto;
    width:90%;
}
.header-nav-child-a{
    width:73px;
    height: 40px;
    background-color: #1E50AE;
    margin-left: 4%;
    margin-right: 2%;
    line-height: 42px;
    float: left;
}
.header-nav-child-a:hover {
    background-color: #ffffff;
}
.header-nav-child-a:hover a{
    color: #1E50AE;
}
.header-nav a {
    font-size: 18px;
    font-weight: bold;
    color: #ffffff;
    text-decoration: none;
    cursor: pointer;

}
.showus {
    display: none;
    width: 500px;
    height: 520px;
    z-index: 1000;
    background-color: #ffffff;
    position: absolute;
    top:27%;
    left: 35%;
    opacity: 1;
    border: 2px solid #eee;
}
.zhizhao {
    display: none;
    min-width: 1300px;
    position: absolute;
    top:0;
    left: 0;
    width: 100%;
    height: 1430px;
    z-index: 500;
    background-color: rgba(58, 58, 58, 0.92);
    opacity: 0.6;
}
.showus-top {
    width:80%;
    margin: 40px auto 20px auto;
}
.showus-top p {
    text-align: center;
    font-family: 微软雅黑;
    font-size: 18px;
    font-weight: bold;
}
.showus-bottom {
    width:60%;
    margin: 10px auto 10px auto;
}
.showus-bottom img {
    width:100%;
    height: 300px;
}