/* banner start */
 .banner_content {
    width: 100%;
    min-width: 1180px;
    height: 450px;
    position: relative;
    overflow: hidden;
  }

  .banner_content .swiper-container {
    width: 1920px;
    position: absolute;
    top: 0;
    left: 50%;
    margin-left: -960px;
  }

  .banner_content .swiper-container .el-carousel {
    z-index: 1;
  }

  .banner_content .swiper-container .el-carousel__button {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: #99a9bf;
  }

  .banner_content .swiper-container .is-active .el-carousel__button {
    background-color: #ffffff;
  }

  .banner_content .swiper-container img {
    cursor: pointer;
  }

  /* banner end */