body{
    /* background: url(../img/bg.png) no-repeat center center; */
    background:  no-repeat center center;
    background-size: 100% 100%;
    overflow: hidden;
    overflow-y: auto;
}
.main_div{
    width: 1176px;
    height: 667px;
    margin:0 auto;
    margin-top: -354px;
    box-sizing: border-box;
    position: relative;
    top: 50%;
    /* background: url(../img/bg2.png) no-repeat center center; */
    background: #fff no-repeat left center;
    background-size: 800px 100%;
    overflow: hidden;
    transform: scale(1);
    border-radius: 10px;
}
.logo{
    position: absolute;
    top: 24px;
    width: 60px;
    height: 60px;
    left: 0px
}
.logo img{
    /* width: 240px; */
    height: 60px
}
iframe{
    width: 375px;
    height: 100%;
    float: right;
    border: 0;
}
.footer{
    position: absolute;
    top:  50%;
    margin-top: 354px;
    color: #fff;
    font-size: 14px;
    letter-spacing: 1px;
    text-align: center;
    width: 100%;
}
.footer p:last-child{
    margin: 5px;
}