.bb {
    position: absolute;
    left: 50%;
    bottom: 0;
    text-align: center;
    transform: translateX(-50%);
    color: #94070a;
    font-size: 36px;
    cursor: pointer;
    opacity: 0;
    font-family: icon;
    padding: 0 10px;
    animation: bb 2s linear 0s infinite;
    font-weight: bold;
    z-index:999;}
@keyframes bb {
    0% {
        transform: translate(-50%,0);
        opacity: 0;}

    20% {
        transform: translate(-50%,3px);
        opacity: 1;}

    80% {
        transform: translate(-50%,10px);
        opacity: 1;}

    90% {
        transform: translate(-50%,10px);
        opacity: 0;}

    100% {
        transform: translate(-50%,10px);
        opacity: 0;}
}
.bb.hide {
    display:none;}
.news-banner .slick-prev,.news-banner .slick-next{width: 50px;
    height: 50px;
    position:absolute;
    right: 80px;
    z-index: 999;
    bottom: 0px;
    background: #01478d;}
.news-banner .slick-next{right: 0px;}
.news-banner .slick-prev:after,.news-banner .slick-next:after{width: 50px;
    height: 50px;line-height: 45px;color:#fff;}