antd-mobile/es/tab-bar/style/index.less

基于 React 的移动设计规范实现

@import '../../style/themes/default';
@import '../../style/mixins';

@tabbar-prefix-cls: am-tab-bar;

.@{tabbar-prefix-cls} {
  overflow: hidden;

  &-bar {
    box-sizing: border-box;
    height: @tab-bar-height;
    border-top: @border-width-sm solid @border-color-base;
    position: fixed;
    bottom: 0;
    width: 100%;
    display: flex;
    transition: bottom .2s;
    z-index: 100;

    &&-hidden {
      bottom: -@tab-bar-height;
    }

    .@{tabbar-prefix-cls}-tab {
      flex: 1;
      display: flex;
      justify-content: center;
      align-items: center;
      flex-direction: column;
      text-align: center;

      &-image {
        width: @icon-size-md;
        height: @icon-size-md;
        vertical-align: middle;
      }

      &-title {
        font-size: @font-size-icontext;
        margin: @v-spacing-xs 0 0 0;
        line-height: @line-height-base;
      }

      &-icon {
        display: flex;
        justify-content: center;

        .tab-badge {
          :last-child {
            margin-top: 8px;
            left: @icon-size-md;
          }
        }

        .tab-dot {
          :last-child {
            margin-top: 8px;
            left: @icon-size-md;
          }
        }
      }
    }
  }

  &-content {
    zoom: 1;

    .@{tabbar-prefix-cls}-tabpane {
      overflow: auto;
    }

    &-animated {
      transition: transform .3s @ease-in-out-quint;
      display: flex;
      will-change: transform;

      .@{tabbar-prefix-cls}-tabpane {
        box-sizing: border-box;
        width: 100%;
        flex-shrink: 0;
      }
    }

    &-no-animated {
      .@{tabbar-prefix-cls}-tabpane-inactive {
        display: none;
      }
    }
  }
}