/*主体内容开始*/
.main-bg{
    background: url("../img/architec/main-bg.jpg") no-repeat;
    background-size: 100% 100%;
    width: 100%;
    height: 100%;
    padding-bottom: 288px;
}
.main .floor1{
    text-align: left;
    margin-left: 20px;
}
.main .floor1 .floor1-item1{
    color:#cecece;
    font-size: 32px;
    margin-bottom: 24px;
}
.main .floor1 .floor1-item2{
    font-size: 20px;
    color: black;
    font-weight: bolder;
}
.main .floor2{
    margin-top: 46px;
}
.main .floor2 img{
    width: 1083px;
    height:494pxs;
}
/*主体内容结束*/