.box {
    width: 100%;
    height: auto;
    position: relative;
}
.us-box .h3 {
    padding: 0 4px;
    font-size: 18px;
    color: #333;
    line-height: 55px;
}
.content {
    width: 1200px;
    margin: 0 auto;
}
.us-title {
    margin: 40px 1px;
    position: relative;
    border-left: 5px solid #0094fb;
}
.us-title .h3 {
    font-size: 18px;
    font-weight: bold;
    color: #333;
    padding-left:15px;
}
.us-title .h4 {
    font-size: 14px;
    color: #666;
    padding-left:15px;
}
.clearfix {
    *zoom: 1;
}
.mb50 {
    margin-bottom: 50px;
}
.lf {
    float: left;
}
.us-box {
    padding: 4px;
    margin-right: 20px;
}
.us-box img {
    max-width: 100%;
    height: auto;
}
.box-sizing, .submit-btn {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    -o-box-sizing: border-box;
    -ms-box-sizing: border-box;
    box-sizing: border-box;
}
.us-box .txt {
    padding: 5px 4px;
    font-size: 14px;
    color: #6d717d;
}
.map-box {
    height: 450px;
    background: url("../media/map.jpg") left top no-repeat; }