效果展示：

支持背景颜色自定义

<view class="hl_steps"><view class="hl_steps_item" wx:for="{{steps}}" wx:key="id"><view class="hl_steps_item_circle_out" style="background-color: {{color[index%color.length][0]}};"><view class="hl_steps_item_circle_in" style="background-color: {{color[index%color.length][1]}};"></view></view><view class="hl_steps_item_box" style="background-color: {{color[index%color.length][0]}};"><view class="step_item_line" style="border-color: {{color[index%color.length][1]}};"></view><view class="hl_steps_item_title">{{item.title}}</view><view class="hl_steps_item_desc">{{item.desc}}</view></view></view>
</view>

.hl_steps{overflow: hidden;
}.hl_steps_item {display: flex;margin: 30rpx;box-sizing: border-box;position: relative;
}.hl_steps_item_circle_out {width: 44rpx;height: 44rpx;border-radius: 50%;display: flex;align-items: center;justify-content: center;flex-shrink: 0;
}.hl_steps_item_circle_in {width: 22rpx;height: 22rpx;border-radius: 50%;flex-shrink: 0;
}.hl_steps_item_box {box-sizing: border-box;width: 100%;margin-left: 20rpx;padding: 16rpx 24rpx;border-radius: 12rpx;position: relative;
}.step_item_line {height: 100%;position: absolute;left: -42rpx;top: 38rpx;border-left: 2rpx dashed;
}.hl_steps_item:nth-last-of-type(1) .step_item_line {border: none;
}.hl_steps_item_title {font-size: 28rpx;font-family: PingFangSC-Regular, PingFang SC;font-weight: 400;color: #363A44;line-height: 40rpx;
}.hl_steps_item_desc {margin-top: 10rpx;font-size: 28rpx;font-family: PingFangSC-Regular, PingFang SC;font-weight: 400;color: #363A44;line-height: 40rpx;
}

// components/bottom-pop/index.js
Component({/*** 组件的属性列表*/properties: {color: {type: Array,value: [["rgba(254, 192, 48, .2)", "rgba(254, 192, 48, 1)"],["rgba(147, 165, 164, .2)", "rgba(147, 165, 164, 1)"],["rgba(0, 78, 204, .2)", "rgba(0, 78, 204, 1)"],["rgba(79, 192, 141, .2)", "rgba(79, 192, 141, 1)"],]},steps: {type: Array,value:[]}},/*** 组件的初始数据*/data: {isIphoneX: false,animationData: {}},/*** 组件的方法列表*/methods: {},pageLifetimes: {show: function () {// 页面被展示},hide: function () {// 页面被隐藏},resize: function (size) {// 页面尺寸变化}},
})