.container-fluid{
    padding: 0;
    min-width: 1024px;
    margin-top: 70px;
}
.index-bg-1,
.index-bg-2{
    width: 76%;
    margin: 0 auto;
}
.index-bg-2{
    position: relative;
    margin-bottom: 20px;
}
.index-bg-1 img{
    width: 100%;
    height: auto;
}
.index-bg-2 img{
    width: 49.2%;
    height: auto;
}
.index-bg-2 img:nth-child(odd){
    position: absolute;
    left: 0;
}
.index-bg-2 img:nth-child(even){
    position: absolute;
    left: 50.8%;
}