.w1200 {
    width: 1200px;
    margin: 0 auto;
}

.w1250 {
    width: 1250px;
    margin: 0 auto;
}

.top_nav {
    width: 100%;
    min-width: 1250px;
    background: url(../image/top-nav.png);
    height: 53px;
    position: relative;
    top: 24px;
}

.top_nav img {
    width: 215px;
    float: left;
    margin-top: -36px;
    margin-left: -12px;
}

.top_nav ul {
    float: left;
    margin-left: 0px;
    margin-top: 14px;
}

.top_nav li {
    float: left;
    text-align: center;
    width: 110px;
    color: #d5d5d5;
    border-right: 2px solid #d5d5d5;
    box-sizing: border-box;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    padding: 0;

}
.top_nav li:hover a{
    background: url("../image/news-hover.png") no-repeat;
    background-size: 100% 100%;
}
.top_nav li a {
    color: #d5d5d5;
    font-size: 16px;
    font-weight: bold;
    width: 100px;
    margin: 0 auto;
    display: inline-block;
}

.top_nav li:last-child {
    border-right: 0;
}


.footer {
    color: #999;
    width: 1200px;
    height: 140px;
    padding: 30px 0;
}

.foot {
    width: 1000px;
    font-size: 12px;
    margin: 0 auto;
}

.foot img {
    float: left;
}

.footinf {
    float: left;
    width: 700px;
}

.foot a {
    color: #999;
    font-size: 14px;
    padding: 0 10px;
}

.foot a:hover {
    color: #fff;
}

.m20 {
    margin: 0 40px;
}

.foot p {
    padding: 10px 10px 0 10px;
}

.wx{
    position: relative;

}

.wx .ercord{
    position: absolute;
    width:180px;
    top:35px;
    left: -15px;
    background: #ffffff;
    display: none;
}
.wx:hover .ercord{
     display: block;
 }
.wx .ercord img{
    margin: 0;
    width: 100%;
}
.wx .ercord p{
    width: 100%;
    text-align: center;
    font-size: 14px;
    line-height: 2;
    margin: 5px 0;
    color: #333333;
}