.about1{
    background: #f9f9f9;
    width: 100%;
    overflow: hidden;
    padding-top: 75px;
    padding-bottom: 50px;
}
.a1title{
    font-size: 70px;
    color: #00bcaf;
}
.a1title span{
    font-size: 42px;
    color: #b1b1b1;
}
.a1txt{
    font-size: 14px;
    text-align: center;
    margin:0 auto;
    color: #5c5c5c;
    line-height: 40px;
    margin-top: 60px;
}
.a1img{
    margin-top: 87px;
}
.about2{
    background: url(../images/about4.jpg) top center no-repeat;
    width: 100%;
    overflow: hidden;
    height: 528px;
    margin-top: 50px;
}
.about3{
    padding:160px 0 220px;
    background: url(../images/about3bg.jpg) right center no-repeat;
}
.a3title{
    color: #b9b9b9;
    font-size: 42px;
    text-transform: uppercase;
}
.a3title span{
    color: #00bcaf;
}
.a3img{
    margin-top: 160px;
}
.foot{
    margin-top: 0;
}