https://developers.weixin.qq.com/miniprogram/dev/component/cover-view.html

<cover-view class="watermark">
    <cover-view class="watermark-info-box">
      <cover-view class="watermark-info-top">
        <cover-view class="watermark-info-time">09:58</cover-view>
        <cover-view wx:if="{{currentTime}}" class="watermark-info-line"></cover-view>
        <cover-view>
          <cover-view class="watermark-info-date">2025-05-16</cover-view>
          <cover-view>星期五</cover-view>
        </cover-view>
      </cover-view>
        <cover-view class="watermark-address">地址信息·地址信息</cover-view>
      </cover-view>
    </cover-view>
  
  
  
  
.camera-area {
  width: 100%;
height: 80vh;
background: #000;
}


.watermark {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
  width: 100%;
  height: 80vh;
  font-size: 16px;
  color: #fff;
}


.watermark-info-box {
  position: absolute;
  bottom: 32rpx;
  left: 0;
  box-sizing: border-box;
  width: 100%;
  padding: 0 32rpx;
  font-size: 28rpx;
}


.watermark-info-top {
  display: flex;
  align-items: center;
}


.watermark-info-time {
  position: relative;
  font-size: 60rpx;
  font-weight: bold;
}


.watermark-info-line {
  width: 4rpx;
  height: 60rpx;
  margin: 0 16rpx;
  background-color: #e79913;
}


.watermark-info-date {
  margin-bottom: 14rpx;
}


.watermark-address {
  display: block;
  width: 100%;
  margin-top: 10rpx;
  font-size: 28rpx;
  line-height: 36rpx;
  word-wrap: break-word;
  white-space: normal;
}

8字被遮挡, 但是如果是12:18就不会