@media screen and (max-width: 765px) {
            .xiangxi img {
                width: 100%;
                margin: 0 auto !important;
                padding: 0;
            }
        }
@media screen and (max-width:1111px) {
.zi_nav {
    display: none;
}
}
.dw_address {
    width: 100%;
    max-width: 1200px;
    height: 34px;
    line-height: 34px;
    border-bottom: 1px dashed #ccc;
    margin: 0 auto;
    padding-left: 30px;
    box-sizing: border-box;
    margin-bottom:50px;
    background:  7px no-repeat;
}
.shorttitle{
font-family: 'microsoft yahei';
    line-height: 60px;
    font-size: 18px;
    color: #474747;
}
.zi_nav {
    width: 180px;
    padding: 0;
    color:#fff;
    float: left;
    background-color: #ab0000;
    margin-right: 50px;
    margin-left:20px;
}
.zi_nav li {
    border-bottom: 1px solid #fff;
    box-sizing: border-box;
}
.zi_nav>li>a {
    display: block;
    width: 100%;
    height:46px;
    color:#fff;
    font-family: microsoft yahei;
    font-size: 14px;
    line-height: 46px;
    padding-left: 60px;
    background:  no-repeat 20px;
}