* {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
      }
      .loader-index-box {
        width: 100%;
        height: 100%;
        position: fixed;
        display: flex;
        justify-content: center;
        align-items: center;
      }
      .loader-index-box.is-hide {
        display: none;
      }
      .line-scale > div {
        width: 6px;
        height: 60px;
        margin: 10px;
        border-radius: 4px;
        display: inline-block;
        background-color: #1890ff;
        animation-fill-mode: both;
      }
      .line-scale > div:first-child {
        animation: line-scale 1s 0.1s infinite cubic-bezier(0.2, 0.68, 0.18, 1.08);
      }
      .line-scale > div:nth-child(2) {
        animation: line-scale 1s 0.2s infinite cubic-bezier(0.2, 0.68, 0.18, 1.08);
      }
      .line-scale > div:nth-child(3) {
        animation: line-scale 1s 0.3s infinite cubic-bezier(0.2, 0.68, 0.18, 1.08);
      }
      .line-scale > div:nth-child(4) {
        animation: line-scale 1s 0.4s infinite cubic-bezier(0.2, 0.68, 0.18, 1.08);
      }
      .line-scale > div:nth-child(5) {
        animation: line-scale 1s 0.5s infinite cubic-bezier(0.2, 0.68, 0.18, 1.08);
      }
      @-webkit-keyframes line-scale {
        0% {
          transform: scaley(1);
        }
        50% {
          transform: scaley(0.4);
        }
        to {
          transform: scaley(1);
        }
      }
      @keyframes line-scale {
        0% {
          transform: scaley(1);
        }
        50% {
          transform: scaley(0.4);
        }
        to {
          transform: scaley(1);
        }
      }