.banner-info-box{
    width: 1200px;
    max-width: 100%;
    display: block;
    margin: 0 auto;
    font-size: 0;
    position: relative;
    padding-bottom: 90px;
    box-sizing: border-box;
}

.banner-info-img-box{
    width: 100%;
    display: block;
    height: 500px;
}
.banner-info-img-box a{
    width: 100%;
    display: block;
    height: 500px;
}
.banner-info-img-box .slick-prev::before,
.banner-info-img-box .slick-next::before{
    color: #000;
}