/* banner图 */
.banner {
    position: relative;
    width: 100%;
    height: 7rem;
  }
  .banner .banner-icon {
    position: absolute;
    left: 0;
    /* bottom: .015rem; */
    /* bottom: -0.04rem; */
    width: 100%;
    height: 100%;
  }
  .banner .banner-box {
    position: absolute;
    top: 1rem;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    text-align: center;
    color: white;
  }
  .banner .banner-box .banner-box-title {
    width: 100%;
    font-size: .4rem;
    line-height: .7rem;
    text-align: center;
    font-family:PingFang-SC-Medium;
    /* font-weight:bold; */
  }
  .banner .banner-box .banner-box-desc {
    width: 100%;
    font-size: .24rem;
    text-align: center;
    opacity: .9;
    margin-top: .2rem;
    font-family:PingFang-SC-Medium;
    font-weight:500;
  }
  .banner .banner-box .down {
    margin-top: .58rem;
    background:linear-gradient(90deg,rgba(231,40,40,1),rgba(243,98,98,1));
    width: 3.2rem;
    border: none;
    outline: none;
    height: .6rem;
    border-radius: .3rem;
    font-size: .3rem;
    font-family: PingFang-SC-Medium;
    font-weight: 500;
    color: #fff;
  }