.about-main {

}
.about-mt {
    min-width: 1200px;
}

.about-mt-cont {
    height: 772px;
}
.about-mt-l {
    float: left;
    width: 50%;
    height: 100%;
    background: url(../images/about_mtl.jpg) no-repeat right top;
}
.about-mt-lt {
    width: 342px;
    height: 346px;
    margin: 0 auto 86px;
    padding-top: 138px;
    font-family: Arial;
    font-size: 72px;
    font-weight: 900;
    line-height: 80px;
    color: #fff;
    text-align: center;
    border: 1px solid #bab9b9;
    border-top: none;
}
.about-mt-lt span {
    display: block;
    font-size: 18px;
    font-weight: normal;
    line-height: 36px;
    color: #fff;
}

.about-mt-r {
    float: right;
    width: 50%;
    height: 100%;
    padding-top: 138px;
    background: url(../images/about_mtr.jpg) no-repeat left top;
}
.about-mt-rt {
    margin-bottom: 135px;
    font-size: 72px;
    font-weight: 900;
    line-height: 80px;
    color: #fff;
    text-align: center;
}
.about-mp {
    width: 600px;
    margin: 0 auto 24px;
    font-size: 14px;
    line-height: 24px;
    color: #fff;
    text-align: center;
}

.about-mb {
    padding: 142px 0 150px;
    overflow: hidden;
}
.about-mb-cont {
    width: 1212px;
    padding-top: 140px;
}
.about-mb-cont a {
    float: left;
    width: 291px;
    margin-right: 12px;
}