.ear-banner {
    position: relative;
    width: 100%;
    max-width: 1920px;
    margin: 0 auto;
    overflow: hidden;
    line-height: 0;
  }

  .ear-banner picture,
  .ear-banner img {
    display: block;
    width: 100%;
    height: auto;
  }

  .ear-click {
    position: absolute;
    display: block;
    z-index: 10;
    cursor: pointer;
    text-decoration: none;
  }

  /* 电脑端：1920×790 图片按钮位置 */
  .ear-shop {
    left: 8.3%;
    top: 58%;
    width: 11.8%;
    height: 10%;
  }

  .ear-video {
    left: 20.4%;
    top: 58%;
    width: 14.5%;
    height: 10%;
  }

  /* 手机端：750×600 比例图片按钮位置 */
  @media (max-width: 768px) {
    .ear-banner {
      max-width: 750px;
    }

    .ear-shop {
      left: 9.5%;
      top: 51%;
      width: 23.5%;
      height: 10%;
    }

    .ear-video {
      left: 33.5%;
      top: 51%;
      width: 28%;
      height: 10%;
    }
  }