.login-bg {
    background-image: url(../img/index_bg.png);
    background-size: auto;
    background-attachment: fixed;
    background-repeat: no-repeat;
    background-position: center top;
    margin-top: 96px;
    min-height: 630px;
} 

.container-1440{
    width: 100%;
    max-width: 1440px;
    margin: auto;
}

.or{
    background-color: #FFF;
    width: 100%;
    text-align: center;
    position: relative;
}
.or::after, .or::before{ 
    position: absolute; 
    width: 40%;
    height: 1px;
    background-color: #000;
    content: '';
    top: 15px;  
}
.or::after{
    left: 0;
}
.or::before{
    right: 0;
}
.web{display: block;}
.mob{
    display: none;
}
@media (max-width:1200px) {
    .login-bg {
        background-image: url(../img/index_bg_m.png);
        background-size: 100% 500px;
        margin-top: 73px;
        min-height: 630px;
    } 
    .web{display: none;}
    .mob{
        display: block;
        margin: auto;
    }
}