@charset "utf-8";
img{
  object-fit: cover;
}
.banner_b {
    width: 650px;
    height: 350px;
    margin-bottom: 20px;
    float: left;
  }
   .banner_b .swiper-container {
    width: 100%;
    height: 100%;
    margin: 0 auto;
    overflow: hidden;
    position: relative;
  }
   .banner_b .swiper-container .swiper-pagination {
    position: absolute;
    text-align: right;
    bottom: 0;
    height: 30px;
  }
   .banner_b .swiper-container .swiper-pagination-bullet {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: initial;
    background: #CED0CF;
    margin: 0 3px;
    cursor: pointer;
    opacity: 1;
  }
   .banner_b .swiper-container .swiper-pagination-bullet-active {
    background-color: #FE2200;
  }
   .banner_b .swiper-container .swiper-button {
    position: absolute;
    top: 50%;
    margin-top: -42.5px;
    width: 45px;
    height: 85px;
    z-index: 99;
  }
   .banner_b .swiper-container .swiper-button-next {
    background: url(../images/banner_arrow.png) no-repeat right top;
    right: 0 !important;
  }
   .banner_b .swiper-container .swiper-button-prev {
    background: url(../images/banner_arrow.png) no-repeat left top;
    left: 0;
  }
   .banner_b .swiper-container img {
    width: 100%;
    height: 100%;
  }
   .banner_b .swiper-container .desc {
    position: absolute;
    padding: 0 10px;
    bottom: 0;
    left: 0;
    height: 40px;
    text-align: left;
    line-height: 40px;
    color: white;
    font-size: 14px;
    background-color: rgba(0, 0, 0, 0.5);
    padding-right: 40px;
    display: inline-block;
    width: 100%;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
  }