.block-line>view {
  width: 50%;
  text-align: center;
  color: #fff;
  height: 200rpx;
}

.block-line:first-child>view:first-child {
  background: purple;
}

.block-line:first-child>view:last-child {
  background: red;
}

.block-line:last-child>view:first-child {
  background: blue;
}

.block-line:last-child>view:last-child {
  background: green;
}

.block-line>view>view:first-child {
  margin-top: 40rpx;
  margin-bottom: 30rpx;
}


.block-line>view>view:last-child {}