.about{
    width: 100%;
}
.a-index{
    width: 1150px;
    margin: 0 auto;
    overflow: hidden;
    padding: 30px 0 60px 0;
}
.lft {
    width: 260px;
    float: left;
}
.side_manu {
    margin-bottom: 15px;
}
.side_title {
    color: #fff;
    font-weight: normal;
}
.side_title {
    display: block;
    height: 82px;
    background:#fe2a00;
    color: #fff;
    padding: 0 10px;
    font-weight: normal;
}
.side_title i {

    display: block;
    width: 50px;
    height: 82px;
    line-height: 82px;
    font-size: 53px;
    text-transform: uppercase;
    float: left;
    text-align: center;

}
.side_title span {
    display: block;
    height: 82px;
    font-size: 24px;
    margin: 0 0 0 60px;
    padding-top: 20px;
}
.side_title span em {
    display: block;
    height: 20px;
    line-height: 20px;
    font-size: 14px;
}
.side_manu ul {
    border: 1px solid
    #ddd;
    display: block;
    margin: 0px;
    padding: 10px;
}
.side_manu ul li {
    height: 35px;
    line-height: 35px;
    background:#eee url(../images/side_nav.png) no-repeat 10px center;
    margin-bottom: 6px;
}
.side_manu ul li a {
    font-size: 15px;
    font-family: "微软雅黑";
    display: block;
    padding-left: 30px;
    color:black;
}
.lxwm li{
    font-size: 14px;
    line-height: 22px;
}
.lxwm ul{
    width: 250px;
    border: 1px solid #ddd;
    margin-top: -1px;
    padding-bottom: 10px;
    padding-top: 7px;
    padding-left: 6px;
}
.riht {
    width: 865px;
    float: right;
    font-family: "微软雅黑";
}
.title_2 {
    display: block;
    height: 60px;
    line-height: 60px;
    border-bottom: 1px solid#ddd;
    font-size: 24px;
    color:#fe2a00;
    padding: 0;
    font-weight: normal;
}
.title_2 span {
    display: block;
    width: 500px;
    height: 60px;
    float: right;
    text-align: right;
    font-size: 12px;
    color:#999;
}
.riht ul {
    font-size: 14px;
    line-height: 25px;
    padding-top: 10px;
    font-family: "微软雅黑";
    padding-top: 15px;
}
@media screen and (max-width: 1024px) and (min-width: 0px) {
    .a-index{
        width: 90%;
        margin: 0 auto;
    }
    .lft {
        width: 100%;
        float: left;
    }
    .lxwm img{
        width: 100%;
        height: auto;
    }
    .lxwm ul {
        width: auto;
        border: 1px solid #ddd;
        margin-top: -1px;
        padding-bottom: 10px;
        padding-top: 7px;
        padding-left: 6px;
    }
    .riht {
        width: 100%;
        float: right;
        font-family: "微软雅黑";
    }
    .title_2 span {
        display: block;
        width: auto;
        height: 60px;
        float: right;
        text-align: right;
        font-size: 12px;
        color: #999;
    }

}