.@{d-prefix}-demo-item--layout {
  .@{prefix}-layout__header {
    text-align: center;
    color: rgba(255, 255, 255, 90%);
  }

  .@{prefix}-layout__content {
    height: 600px;
    text-align: center;
    padding: 24px 24px 0;

    & > div {
      background: #fff;
      height: 100%;
      display: flex;
      align-items: center;
      justify-content: center;
      overflow: auto;
      word-wrap: break-word;
    }
  }

  .@{prefix}-layout__footer {
    min-height: 46px;
    text-align: center;
    color: @text-color-placeholder;
  }

  .@{prefix}-layout__sider {
    text-align: center;
  }

  --bg-color-demo: var(--bg-color-page);
}

[class*="@{d-prefix}-demo-item--layout-base"] {
  .@{d-prefix}-demo-item--base > div:not(:first-child) {
    margin-top: 24px;
  }

  .@{d-prefix}-demo-item__body {
    font-weight: 500;
    font-size: @font-size-l;
    background: @bg-color-secondarycontainer;
  }

  .@{prefix}-layout__header {
    text-align: center;
    color: #fff;
    background-color: @brand-color-4;
    font-size: @font-size-l;
    line-height: 64px;

    .t-layout__header {
      color: #fff;
      background: #266fe8;
    }
  }

  .@{prefix}-layout__sider {
    background-color: @brand-color-6;
    color: #fff;
    font-size: @font-size-l;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .@{prefix}-layout__content {
    text-align: center;
    color: #fff;
    background: @brand-color-5;
    height: 100px;
    font-size: @font-size-l;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .@{prefix}-layout__footer {
    min-height: 46px;
    text-align: center;
    color: #fff;
    background: @brand-color-4;
    font-size: @font-size-l;
  }

  .@{prefix}-layout__sider {
    text-align: center;
    font-size: @font-size-l;
  }
}