.about-us {
    width: 100%;
}
body {
    background-color:#f2f2f2;
}
.about-us .about-us-title {
    height: 50px;
    line-height: 50px;
    text-align: center;
    background-color: #fff;
}
.about-us .about-us-title span {
    font-size: 17px;
    margin-left: -10px;
}
#about-us-back {
    float: left;
    margin: 13px 0 0 10px;
    width: 12px;
    height: 24px;
}

.about-us-content {
    margin-top:44px;
    display: -webkit-box;
    overflow: hidden;
    width: 100%;
    border-top: 1px solid #bfbfbf;
}

.about-us-content .about-us-list {
    display: block;
    padding-top: 74px;
    border-right: 1px solid #bfbfbf;
    width: 83px;
    position: fixed;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 1000;
    background-color: #fff;
}

.about-us-content .about-us-list li {
    display: block;
    /*background-color:#fff;*/
    font-size: 14px;
    color: #333;
    text-align: center;
    width: 83px;
    height: 50px;
    line-height: 50px;
}

.about-us-content .about-us-detail {
    display: none;
    overflow: auto;
    background-color: #f2f2f2;
    position: absolute;
    margin-left:84px;
    padding:15px;

}
.about-us-content .about-us-detail p:first-child {
    margin-top: 20px;
}

.about-us-content .about-us-detail img {
    width: 200px;
    height: 105px;
    margin: 30px 40px;
}

.about-us-content .about-us-detail h3 {
    display: block;
    width: 100%;
    text-align: center;
    font-size: 15px;
    color: #333;
    margin: 20px 0 10px 0;
}

.about-us-content .about-us-detail p b {
    font-size: 13px;
}
.about-us-content .about-us-detail span {
 
}
.bgcolor {
    background-color: #f2f2f2;
    width:82px!important;
}