/* 置灰样式start */
     /* html,
      body {
        -webkit-filter: grayscale(100%);
        -moz-filter: grayscale(100%);
        -ms-filter: grayscale(100%);
        -o-filter: grayscale(100%);
        filter: grayscale(100%);
        filter: gray;
        filter: progid:DXImageTransform.Microsoft.BasicImage(grayscale=1);
      } */
      /* * { */
        /* filter: gray; IE7-9，如有未变灰样式，请单独再复写下 */
      /* } */
       /* 置灰样式end */
      html,
      body,
      #app {
        height: 100%;
        margin: 0px;
        padding: 0px;
      }

      .vx-home {
        background-color: #303133;
        position: fixed;
        left: 0;
        right: 0;
        top: 0;
        bottom: 0;
        display: flex;
        justify-content: center;
        align-items: center;
      }

      .vx-home__loading {
        height: 32px;
        width: 32px;
        margin-bottom: 20px;
      }