page {
  background: #000;
}  
.swiper-tab {
  width: 100%;
  text-align: center;
  line-height: 80rpx;
}

.swiper-tab-list {
  font-size: 30rpx;
  display: inline-block;
  width: 30%;
  color: #777;
}

.on {
  color: #D81E06;
  border-bottom: 5rpx solid #D81E06;
}

.swiper-box {
  display: block;
  height: 100%;
  width: 100%;
  overflow: hidden;
  color: #fff;
}

.swiper-box .swiper-box-view {
 display: flex;
 overflow:scroll;
 justify-content: space-between;
 border-bottom: 1rpx slategray solid;
}
ec-canvas {
  width: 100%;
  height: 100%;
  }

  .swiper-box .swiper-box-view .container {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  box-sizing: border-box;
}