iboss_wx_app/components/dkbase/dk-tip/dk-tip.wxss

.tip { 
  min-height: 80rpx;
  color: white;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  padding: 8rpx 16rpx;
  background: rgba(0, 0, 0, 0.8);
  position: absolute; 
  border-radius: 12rpx; 
}

.tip:after {
  content:"\00a0";
  width:0;
  height:0;
  display:block;
  border-style:solid;
  border-width: 8rpx;
  border-color:transparent transparent rgba(0, 0, 0, 0.8) transparent;
  position:absolute;
  z-index: 1;
  top: -14rpx;
  left: 10rpx;
} 
.container {  
  display: flex;  
  flex-direction: column; /* 设置为列方向，这样子元素会垂直排列 */  
  align-items: center; /* 在交叉轴（这里是水平轴）上居中对齐 */  
  justify-content: center; /* 在主轴（这里是垂直轴）上居中对齐 */   
}