.cent-box{
    margin-top: 80px;
    margin-bottom: 80px;
}
.box-frame{
    width: 1200px;
    margin: 0 auto;
    position: relative;
}
.aboutus-title{
    color: #00a0ea;
    font-size: 16px;
    margin-top: 48px;
    line-height: 28px;
}
.aboutus-txt{
    color: #333333;
    font-size: 14px;
    line-height: 24px;
}
.banner{
    height: 280px;
    background: url("../img/about-us/banner.jpg") no-repeat center;
}
/*新添加*/
.cantact{
    width: 1200px;
    margin: 30px auto;
    margin-top: 60px;
}
.cantactTitle{
    text-align: center;
    width: 100%;
    height: 28px;
    border-bottom: 1px solid #eee;
}
.cantactBt{
    margin-top: 60px;
    line-height: 48px;
    display: flex;
    flex-direction: column;
    color: #333;
    font-size: 14px;
}
.cantactBtTop{
    display: flex;
    flex-direction: row;
}
.mright{
    margin-right: 160px;
}