@include c(panel) {
  @include e(head) {
    @include text--middle(px2rpx(100px));

    position: relative;
    margin-left: px2rpx(30px);
    border-bottom: 1px solid map-get($colors, gray2);
  }

  @include e(extra) {
    @include position--absolute(50%, px2rpx(20px));

    transform: translateY(-50%);
    display: inline-block;
    padding: px2rpx(10px);
    line-height: 100%;

    @include c(icon) {
      @include position--absolute(50%, px2rpx(10px));

      transform: translateY(-50%);
    }

    @include s(has-icon) {
      padding-right: px2rpx(30px);
    }
  }

  @include e(body) {
    &.m30 {
      margin: px2rpx(30px);
    }
  }
}