微信小程序swiper小程序轮播图小圆点样式修改

<swiper class="swiper-box" indicator-dots="{
  
  {true}}" autoplay="{
  
  {true}}" circular="{
  
  {true}}">
  <block wx:for="{
  
  {['red', 'blue', 'purple']}}" wx:key="*this">
    <swiper-item style="background-color: {
  
  {item}}">
      <view class="swiper-item {
  
  {item}}"></view>
    </swiper-item>
  </block>
</swiper>


.swiper-box .wx-swiper-dots.wx-swiper-dots-horizontal{
  margin-bottom: 20rpx;
}

.swiper-box .wx-swiper-dot{
 width:40rpx;
 height: 10rpx;
 margin-left: 0 10rpx;
 
 display: inline-flex;
 justify-content:space-between;
}

.swiper-box .wx-swiper-dot::before{
 content: '';
 flex-grow: 1; 
 background: rgba(255,255,255,0.8);
 border-radius: 8rpx
}

.swiper-box .wx-swiper-dot-active::before{
 background:rgba(255,255,255,1);   
}