.banner-show{
    width: 100%;
    max-height: 300px;
}

.us-intro{
    width: 100%;
    max-width: 1200px;
    margin: 60px auto;
    font-family: Arial, Helvetica, sans-serif;
}

.us-intro h2{
    font-size: 22px;
    font-weight: bold;
    color: #000;
    line-height: 1.5em;
    margin-bottom: 30px;
    letter-spacing: 1px;
}

.us-intro .us-left{
    width: 40%;
    float: left;
}
.us-intro .us-right{
    width: 40%;
    float: left;
}

.us-intro span{
    font-size: 14px;
    line-height: 2em;
    color: #5e5e5e;
}

.us-intro img{
    width: 100%;
    margin-top: 30px;
}