.nav{
    position: relative;
}

.swiper-container {
    width: 100%;
    height: 100%;
}
.swiper-slide {
    text-align: center;
    background: #fff;

    /* 垂直居中滑动文字 */
    display: -webkit-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    -webkit-justify-content: center;
    justify-content: center;
    -webkit-box-align: center;
    -ms-flex-align: center;
    -webkit-align-items: center;
    align-items: center;
}

.swiper-slide img{
    width:8.9rem;
    height:4.31rem;
}

.swiper-pagination{
    left:46%;
    bottom:0.4rem;
}

.swiper-pagination-bullet{
    background:#fff;
    margin-right:0.2rem;
} 

.swiper-pagination-bullet-active{
    background: #FFCC36 !important;
}