deepChartVueApp/pages/marketSituation/marketOverview.vue

<!-- @format -->

<template>
  <view class="main">
    <!-- 可滚动内容区域 -->
    <scroll-view class="content_scroll" scroll-y="true" :style="{ top: contentTopPosition + 'px' }">
      <view class="content">
        <view class="map">
          <image src="/static/marketSituation-image/map.png" mode="widthFix"></image>
        </view>
        <view class="global_index">
          <view class="global_index_title">
            {{ $t("marketSituation.globalIndex") }}
          </view>
          <view class="global_index_more" @click="goToGlobalIndex">
            <text>{{ $t("marketSituation.globalIndexMore") }}</text>
            <image src="/static/marketSituation-image/more.png" mode="aspectFit"></image>
          </view>
        </view>

        <!-- 卡片网格 -->
        <view class="cards_grid">
          <view v-for="(card, index) in marketSituationStore.cardData" :key="index" class="card_item">
            <IndexCard
              :market="card.market"
              :stockName="card.stockName"
              :currentPrice="card.currentPrice"
              :changeAmount="card.changeAmount"
              :changePercent="card.changePercent"
              :isRising="card.isRising"
              @click="viewIndexDetail(card, index)"
            />
          </view>
        </view>
        <view class="warn">
          <image src="/static/marketSituation-image/warn.png" mode="aspectFit"></image>
          <view class="warn_text_container">
            <text :class="warnTextClass">{{ $t("marketSituation.warn") }}</text>
          </view>
        </view>
        <!-- 底部安全区域，防止被导航栏遮挡 -->
        <view class="bottom_safe_area"></view>
      </view>
    </scroll-view>
  </view>
</template>

<script setup>
import { ref, onMounted, onUnmounted, watch, nextTick, computed } from "vue";
import { onShow, onHide } from "@dcloudio/uni-app";
import util from "../../common/util.js";
import IndexCard from "../../components/IndexCard.vue";
import { useMarketSituationStore } from "../../stores/modules/marketSituation.js";
const marketSituationStore = useMarketSituationStore();
import { getGlobalIndexAPI } from "../../api/marketSituation/marketSituation.js";

const iSMT = ref(0);
const searchValue = ref("");
const contentHeight = ref(0);
const headerHeight = ref(0); // 动态计算的header高度
const isWarnTextOverflow = ref(false); // warn文字是否溢出

const pageIndex = ref(0);
const scrollToView = ref("");

// 计算属性：精准计算content区域的top值
const contentTopPosition = computed(() => {
  const statusBarHeight = iSMT.value || 0;
  const currentHeaderHeight = headerHeight.value > 0 ? headerHeight.value : 140;
  return statusBarHeight + currentHeaderHeight;
});

// warn文字的class计算属性
const warnTextClass = computed(() => {
  return isWarnTextOverflow.value ? "warn_text scroll-active" : "warn_text";
});

const globalIndexArray = ref([]);

// 搜索输入事件
const onSearchInput = (e) => {
  searchValue.value = e.detail.value;
};

// 搜索确认事件
const onSearchConfirm = (e) => {
  console.log("搜索内容:", e.detail.value);
  // 这里可以添加搜索逻辑
  performSearch(e.detail.value);
};

// 搜索图标点击事件
const onSearchClick = () => {
  if (searchValue.value.trim()) {
    performSearch(searchValue.value);
  }
};

// 执行搜索
const performSearch = (keyword) => {
  if (!keyword.trim()) {
    uni.showToast({
      title: "请输入搜索内容",
      icon: "none",
    });
    return;
  }

  uni.showToast({
    title: `搜索: ${keyword}`,
    icon: "none",
  });
  // 这里添加实际的搜索逻辑
};

// 检测warn文字是否溢出
const checkWarnTextOverflow = () => {
  nextTick(() => {
    setTimeout(() => {
      const query = uni.createSelectorQuery();

      // 同时查询容器和文字元素
      query.select(".warn_text_container").boundingClientRect();
      query.select(".warn_text").boundingClientRect();
      query.exec((res) => {
        const containerRect = res[0];
        const textRect = res[1];

        if (!containerRect || !textRect) {
          return;
        }

        // 判断文字是否超出容器（留一些余量）
        const isOverflow = textRect.width > containerRect.width - 10;

        isWarnTextOverflow.value = isOverflow;
      });
    }, 500);
  });
};

// 方法：查看指数详情
const viewIndexDetail = (item, index) => {
  console.log("查看指数详情:", item.stockName);
  // uni.showToast({
  //     title: `查看 ${item.stockName} 详情`,
  //     icon: 'none',
  //     duration: 2000
  // })
  // 这里可以跳转到具体的指数详情页面
  uni.navigateTo({
    url: `/pages/marketSituation/marketCondition?stockInformation=${encodeURIComponent(JSON.stringify(item))}&index=${index}&from=marketOverview`,
  });
};

// 跳转到全球指数页面
const goToGlobalIndex = () => {
  uni.navigateTo({
    url: "/pages/marketSituation/globalIndex",
  });
};

const getGlobalIndex = async () => {
  try {
    const result = await getGlobalIndexAPI();
    globalIndexArray.value = result.data;
  } catch (e) {
    console.log("获取全球指数失败", e);
  }
};

// TCP相关响应式变量
import tcpConnection from "@/api/tcpConnection.js";
const tcpConnected = ref(false);
const connectionListener = ref(null);
const messageListener = ref(null);
// 初始化TCP监听器
const initTcpListeners = () => {
  // 创建连接状态监听器并保存引用
  connectionListener.value = (status, result) => {
    tcpConnected.value = status === "connected";
    console.log("TCP连接状态变化:", status, tcpConnected.value);

    // 如果连接，发送获取批量数据
    if (status === "connected") {
      sendTcpMessage("batch_real_time");
    }
  };

  // 创建消息监听器并保存引用
  messageListener.value = (type, message, parsedArray) => {
    const messageObj = {
      type: type,
      content: message,
      parsedArray: parsedArray,
      timestamp: new Date().toLocaleTimeString(),
      direction: "received",
    };

    // 解析股票数据
    parseStockData(message);
  };

  // 注册监听器
  tcpConnection.onConnectionChange(connectionListener.value);
  tcpConnection.onMessage(messageListener.value);
};

// 连接TCP服务器
const connectTcp = () => {
  console.log("开始连接TCP服务器...");
  tcpConnection.connect();
};

// 断开TCP连接
const disconnectTcp = () => {
  console.log("断开TCP连接...");
  tcpConnection.disconnect();
  tcpConnected.value = false;
};

// 发送TCP消息
const sendTcpMessage = (command) => {
  let messageData;
  let messageDataArray = [];
  if (command == "batch_real_time") {
    messageDataArray = globalIndexArray.value.map((item) => item.stockCode);
  }

  switch (command) {
    // 实时行情推送
    case "real_time":
      messageData = {
        command: "real_time",
        stock_code: "SH.000001",
      };
      break;
    // 初始化获取行情历史数据
    case "init_real_time":
      messageData = {
        command: "init_real_time",
        stock_code: "SH.000001",
      };
      break;
    case "stop_real_time":
      messageData = {
        command: "stop_real_time",
      };
      break;
    // 股票列表
    case "stock_list":
      messageData = {
        command: "stock_list",
      };
      break;
    case "batch_real_time":
      messageData = {
        command: "batch_real_time",
        stock_codes: messageDataArray,
      };
      break;
    case "help":
      messageData = {
        command: "help",
      };
      break;
  }
  if (!messageData) {
    return;
  } else {
    try {
      // 发送消息
      const success = tcpConnection.send(messageData);
      if (success) {
        console.log("home发送TCP消息:", messageData);
      }
    } catch (error) {
      console.error("发送TCP消息时出错:", error);
    }
  }
};

// 获取TCP连接状态
const getTcpStatus = () => {
  const status = tcpConnection.getConnectionStatus();
  uni.showModal({
    title: "TCP连接状态",
    content: `当前状态: ${status ? "已连接" : "未连接"}`,
    showCancel: false,
  });
};

let isMorePacket = {
  init_batch_real_time: false,
  batch_real_time: false,
};
let receivedMessage;

// 解析TCP股票数据
const parseStockData = (message) => {
  try {
    console.log("进入parseStockData, message类型:", typeof message);

    let parsedMessage;
    // 如果isMorePacket是true，说明正在接受分包数据，无条件接收
    // 如果message是字符串且以{开头，说明是JSON字符串，需要解析
    // 如果不属于以上两种情况，说明是普通字符串，不预解析
    if (message.includes("欢迎连接到股票数据服务器")) {
      console.log("服务器命令列表，不予处理");
      return;
    }
    if ((typeof message === "string" && message.includes("batch_data_start")) || isMorePacket.init_batch_real_time) {
      if (typeof message === "string" && message.includes("batch_data_start")) {
        console.log("开始接受分包数据");
        receivedMessage = "";
      } else {
        console.log("接收分包数据过程中");
      }
      isMorePacket.init_batch_real_time = true;
      receivedMessage += message;
      // 如果当前消息包含}，说明收到JSON字符串结尾，结束接收，开始解析
      if (receivedMessage.includes("batch_data_complete")) {
        console.log("接受分包数据结束");
        isMorePacket.init_batch_real_time = false;

        console.log("展示数据", receivedMessage);
        let startIndex = 0;
        let startCount = 0;
        let endIndex = receivedMessage.indexOf("batch_data_complete");
        for (let i = 0; i < receivedMessage.length; ++i) {
          if (receivedMessage[i] == "{") {
            startCount++;
            if (startCount == 2) {
              startIndex = i;
              break;
            }
          }
        }
        for (let i = receivedMessage.indexOf("batch_data_complete"); i >= 0; --i) {
          if (receivedMessage[i] == "}" || startIndex == endIndex) {
            endIndex = i;
            break;
          }
        }
        if (startIndex >= endIndex) {
          throw new Error("JSON字符串格式错误");
        }
        console.log("message", startIndex, endIndex, receivedMessage[endIndex], receivedMessage[startIndex]);
        parsedMessage = JSON.parse(receivedMessage.substring(startIndex, endIndex + 1));

        console.log("JSON解析成功，解析后类型:", typeof parsedMessage, parsedMessage);

        const stockDataArray = parsedMessage.data;
        marketSituationStore.cardData = globalIndexArray.value.map((item) => ({
          market: item.market,
          stockCode: item.stockCode,
          stockName: item.stockName,
          currentPrice: stockDataArray[item.stockCode][0].current_price.toFixed(2),
          changeAmount: (stockDataArray[item.stockCode][0].current_price - stockDataArray[item.stockCode][0].pre_close).toFixed(2),
          changePercent: ((100 * (stockDataArray[item.stockCode][0].current_price - stockDataArray[item.stockCode][0].pre_close)) / stockDataArray[item.stockCode][0].pre_close).toFixed(2) + "%",
          isRising: stockDataArray[item.stockCode][0].current_price - stockDataArray[item.stockCode][0].pre_close >= 0,
        }));
      }
    } else if ((typeof message === "string" && message.includes('{"count')) || isMorePacket.batch_real_time) {
      if (typeof message === "string" && message.includes('{"count')) {
        console.log("开始接受分包数据");
        receivedMessage = "";
      } else {
        console.log("接收分包数据过程中");
      }
      isMorePacket.batch_real_time = true;
      receivedMessage += message;
      // 如果当前消息包含}，说明收到JSON字符串结尾，结束接收，开始解析
      if (receivedMessage.includes("batch_realtime_data")) {
        console.log("接受分包数据结束");
        isMorePacket.batch_real_time = false;

        console.log("展示数据", receivedMessage);
        let startIndex = 0;
        let endIndex = receivedMessage.length - 1;
        for (let i = 0; i < receivedMessage.length; ++i) {
          if (receivedMessage[i] == "{") {
            startIndex = i;
            break;
          }
        }
        for (let i = receivedMessage.length - 1; i >= 0; --i) {
          if (receivedMessage[i] == "}" || startIndex == endIndex) {
            endIndex = i;
            break;
          }
        }
        if (startIndex >= endIndex) {
          throw new Error("JSON字符串格式错误");
        }
        parsedMessage = JSON.parse(receivedMessage.substring(startIndex, endIndex + 1));

        console.log("JSON解析成功，解析后类型:", typeof parsedMessage, parsedMessage);
        const stockDataArray = parsedMessage.data;
        marketSituationStore.cardData = globalIndexArray.value.map((item) => ({
          market: item.market,
          stockCode: item.stockCode,
          stockName: item.stockName,
          currentPrice: stockDataArray[item.stockCode][0].current_price.toFixed(2),
          changeAmount: (stockDataArray[item.stockCode][0].current_price - stockDataArray[item.stockCode][0].pre_close).toFixed(2),
          changePercent: ((100 * (stockDataArray[item.stockCode][0].current_price - stockDataArray[item.stockCode][0].pre_close)) / stockDataArray[item.stockCode][0].pre_close).toFixed(2) + "%",
          isRising: stockDataArray[item.stockCode][0].current_price - stockDataArray[item.stockCode][0].pre_close >= 0,
        }));
      }
    } else {
      // 没有通过JSON解析判断，说明不是需要的数据
      console.log("不是需要的数据，不做处理");
    }
  } catch (error) {
    console.error("解析TCP股票数据失败:", error.message);
    console.error("错误详情:", error);
  }
};

// 移除TCP监听器
const removeTcpListeners = () => {
  if (connectionListener.value) {
    tcpConnection.removeConnectionListener(connectionListener.value);
    connectionListener.value = null;
    console.log("已移除TCP连接状态监听器");
  }

  if (messageListener.value) {
    tcpConnection.removeMessageListener(messageListener.value);
    messageListener.value = null;
    console.log("已移除TCP消息监听器");
  }
};

const startTcp = () => {
  try {
    removeTcpListeners();
    disconnectTcp();
    initTcpListeners();
    console.log("初始化完成，，，，，，，，，，，，，，，");
    connectTcp();
  } catch (error) {
    console.error("建立连接并设置监听出错:", error);
  }
};

onShow(async () => {
  console.log("显示页面");
  await getGlobalIndex();
  initTcpListeners();
  await nextTick();
  // 开始连接
  startTcp();
});

onHide(() => {
  console.log("隐藏页面");
  sendTcpMessage("stop_real_time");
  removeTcpListeners();
  disconnectTcp();
});

onUnmounted(() => {
  console.log("卸载页面");
  sendTcpMessage("stop_real_time");
  removeTcpListeners();
  disconnectTcp();
});

onMounted(async () => {
  console.log("挂载页面");
  // 状态栏高度
  iSMT.value = uni.getSystemInfoSync().statusBarHeight;

  // 确保DOM渲染完成后再查询高度
  nextTick(() => {
    // 动态计算header实际高度
    uni
      .createSelectorQuery()
      .select(".header_fixed")
      .boundingClientRect((rect) => {
        if (rect) {
          headerHeight.value = rect.height;
          console.log("Header实际高度:", headerHeight.value, "px");
        }
      })
      .exec();

    // 检测warn文字是否溢出
    checkWarnTextOverflow();
  });
});

// 监听headerHeight变化，重新计算contentHeight
watch(headerHeight, (newHeight) => {
  if (newHeight > 0) {
    const systemInfo = uni.getSystemInfoSync();
    const windowHeight = systemInfo.windowHeight;
    const statusBarHeight = systemInfo.statusBarHeight || 0;
    const footerHeight = 100;

    contentHeight.value = windowHeight - statusBarHeight - newHeight - footerHeight;
    console.log("重新计算contentHeight:", contentHeight.value);
  }
});
</script>

<style scoped>
/* 状态栏占位 */
.top {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1001;
  background-color: #ffffff;
}

/* 固定头部样式 */
.header_fixed {
  position: fixed;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: #ffffff;
  padding: 20rpx 0 0 0;
  box-shadow: 0 2rpx 8rpx rgba(0, 0, 0, 0.1);
}

/* 可滚动内容区域 */
.content_scroll {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 100rpx;
  /* 底部导航栏高度 */
  overflow-y: auto;
}

.header_content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80rpx;
  padding: 0 20rpx;
  margin-bottom: 10rpx;
}

.header_input_wrapper {
  display: flex;
  align-items: center;
  width: 100%;
  margin: 0 20rpx 0 0;
  height: 70rpx;
  border-radius: 35rpx;
  background-color: #ffffff;
  border: 1rpx solid #e9ecef;
  padding: 0 80rpx 0 30rpx;
  font-size: 28rpx;
  color: #5c5c5c;
  box-shadow: 0 2rpx 8rpx rgba(0, 0, 0, 0.1);
}

.search_icon {
  width: 40rpx;
  height: 40rpx;
  opacity: 0.6;
}

.header_input {
  margin-left: 10rpx;
}

.header_icons {
  display: flex;
  align-items: center;
  gap: 15rpx;
}

.header_icon {
  width: 40rpx;
  height: 40rpx;
  display: flex;
  align-items: center;
  justify-content: center;
}

.header_icon image {
  width: 40rpx;
  height: 40rpx;
}

/* Tab 栏样式 */
.channel_li {
  display: flex;
  align-items: center;
  height: 80rpx;
  background-color: #ffffff;
  border-bottom: 1rpx solid #f0f0f0;
}

.channel_wrap {
  width: calc(100% - 60rpx);
  height: 100%;
  overflow: hidden;
  flex-shrink: 0;
}

.channel_innerWrap {
  display: flex;
  align-items: center;
  height: 100%;
  padding: 0 20rpx;
  white-space: nowrap;
}

.channel_item {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 60rpx;
  padding: 0 20rpx;
  border-radius: 30rpx;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
}

.channel_item:active {
  transform: scale(0.98);
}

.channel_item.active {
  color: #333;
  font-weight: bold;
}

.channel_text {
  font-size: 28rpx;
  font-weight: 500;
  color: #666666;
  transition: color 0.3s ease;
  white-space: nowrap;
}

.channel_item.active .channel_text {
  color: #333333;
  font-weight: 400;
  z-index: 2;
}

.active_indicator {
  position: absolute;
  left: 50%;
  top: 60%;
  transform: translateX(-45%);
  width: calc(100% - 20rpx);
  min-width: 40rpx;
  max-width: 120rpx;
  height: 8rpx;
  background-image: url("/static/marketSituation-image/bg.png");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  animation: slideIn 0.1s ease;
  border-radius: 8rpx;
  z-index: 1;
}

@keyframes slideIn {
  from {
    width: 0;
    opacity: 0;
  }

  to {
    width: 40rpx;
    opacity: 1;
  }
}

.scroll_indicator {
  border-left: 1rpx solid #b6b6b6;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60rpx;
  height: 30rpx;
  background-color: #ffffff;
  flex-shrink: 0;
}

.scroll_indicator image {
  width: 20rpx;
  height: 20rpx;
  opacity: 0.5;
}

.content {
  margin-top: 20rpx;
  background-color: white;
}

.map {
  width: calc(100% - 60rpx);
  margin: 0 30rpx;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #f3f3f3;
  border-radius: 30rpx;
  border: 1rpx solid #e0e0e0;
  padding: 30rpx 20rpx;
  box-sizing: border-box;
  /* 设置最小高度保护，但允许内容撑开 */
  min-height: 200rpx;
}

.map image {
  width: 100%;
  height: auto;
  max-width: 100%;
  display: block;
  /* widthFix模式下，高度会自动按比例调整 */
  /* 设置最大高度避免图片过大 */
  max-height: 60vh;
  /* 添加平滑过渡效果 */
  transition: all 0.3s ease;
  max-height: 60vh;
}

/* 响应式优化 */
@media screen and (max-width: 750rpx) {
  .map {
    margin: 0 20rpx;
    width: calc(100% - 40rpx);
    padding: 20rpx 15rpx;
  }
}

@media screen and (max-width: 480rpx) {
  .map {
    margin: 0 15rpx;
    width: calc(100% - 30rpx);
    padding: 15rpx 10rpx;
  }
}

.static-footer {
  position: fixed;
  bottom: 0;
}

/* 弹窗样式 */
.modal_overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: flex-end;
  z-index: 1000;
}

.modal_content {
  width: 100%;
  background-color: #fff;
  border-radius: 20rpx 20rpx 0 0;
  max-height: 80vh;
  overflow: hidden;
}

.modal_header {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 30rpx 40rpx;
  border-bottom: 1rpx solid #f0f0f0;
}

.modal_title {
  font-size: 32rpx;
  font-weight: bold;
  color: #333333;
  text-align: center;
}

.modal_close {
  position: absolute;
  right: 40rpx;
  top: 50%;
  transform: translateY(-50%);
  width: 60rpx;
  height: 60rpx;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 40rpx;
  color: #999;
}

.modal_body {
  padding: 40rpx;
}

.country_grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20rpx;
}

.country_item {
  padding: 24rpx 30rpx;
  border-radius: 12rpx;
  background-color: #f8f8f8;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.country_item.selected {
  background-color: #ff4444;
  color: #fff;
}

.country_text {
  font-size: 28rpx;
  color: #333;
}

.country_item.selected .country_text {
  color: #fff;
}

.global_index {
  margin: 30rpx 20rpx 0 20rpx;
  display: flex;
  justify-content: space-between;
}

.global_index_title {
  margin-left: 20rpx;
  font-size: 40rpx;
  font-weight: 100;
  color: #333333;
  align-items: center;
}

.global_index_more {
  display: flex;
  gap: 10rpx;
  font-size: 28rpx;
  color: #333333;
  align-items: center;
}

.global_index_more image {
  width: 40rpx;
  height: 40rpx;
  align-items: center;
}

/* 卡片网格样式 */
.cards_grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin: 0;
  box-sizing: border-box;
  width: 100%;
  padding: 30rpx 0;
}

.card_item {
  width: 100%;
  box-sizing: border-box;
  min-width: 0;
  /* 防止内容溢出 */
}

/* 响应式布局 - 小屏幕时改为两列 */
@media (max-width: 600rpx) {
  .cards_grid {
    grid-template-columns: repeat(2, 1fr);
    padding: 30rpx 0;
  }
}

/* 超小屏幕时改为单列 */
@media (max-width: 400rpx) {
  .cards_grid {
    grid-template-columns: 1fr;
    padding: 30rpx 0;
  }
}

.warn {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 10rpx;
  font-size: 28rpx;
  color: #666666;
  padding: 20rpx;
  max-width: 100%;
  overflow: hidden;
  position: relative;
}

.warn image {
  width: 40rpx;
  height: 40rpx;
  flex-shrink: 0;
  /* 防止图片被压缩 */
  position: relative;
  z-index: 2;
  /* 确保图片在最上层 */
}

.warn_text_container {
  flex: 1;
  overflow: hidden;
  position: relative;
  min-width: 0;
  /* 允许容器收缩 */
}

.warn_text {
  display: block;
  white-space: nowrap;
  will-change: transform;
  /* 优化动画性能 */
}

/* 文字滚动动画 */
@keyframes scrollText {
  0% {
    transform: translateX(0);
  }

  20% {
    transform: translateX(0);
  }

  80% {
    transform: translateX(-85%);
  }

  100% {
    transform: translateX(-85%);
  }
}

/* 当文字超长时启用滚动动画 */
.warn_text.scroll-active {
  animation: scrollText 12s linear infinite;
  animation-delay: 2s;
  /* 延迟2秒开始滚动，让用户先看到开头 */
}

/* 底部安全区域 */
.bottom_safe_area {
  height: 40rpx;
  background-color: transparent;
}

/* 主容器样式调整 */
.main {
  position: relative;
  height: 100vh;
  overflow: hidden;
  background-color: white;
}
</style>