.container{
    padding-right: 15px;
    padding-left: 15px;
    margin-right: auto;
    margin-left: auto;   
}
.black-box {
    background:url('/frontend/web/images/activity/black/bg.jpg');
}

.black-div-f img{
    width:100%;
}

.black-div-f .black-banner{
    margin-top:40px;
}

.black-div-f .manu-box{
    margin-top:30px;
    margin-bottom:80px;
}
.black-div-f .help-remind{
    text-align:center;
    margin-top:70px;
    margin-bottom:90px;
}
.black-div-f .help-remind img{
    width:50%;
}
.black-div-f .brand{
    text-align:center;
}
.black-div-f .brand>img{
    width:50%;
}
.black-div-f ul>li {
    margin-bottom:15px;
}
#department{
    margin-bottom:80px;
}

@media (max-width:768px) {
    .black-div-f .help-remind{
        text-align:center;
        margin-top:30px;
        margin-bottom:30px;
    }
    .black-div-f .help-remind img{
        width:70%;
    }
    .black-div-f .manu-box{
        margin-top:30px;
        margin-bottom:40px;
    }
}