my-bigScreen/screen-vue/src/views/desktop/index.vue

<template>
  <div class="big-screen-container">
    <header class="screen-header">
      <div class="title-center">
        <h1 class="main-title">企业数据可视化大屏</h1>
      </div>
      <div class="tabs-container">
        <div class="tabs-left">
          <div
            class="tab-item"
            v-for="tab in allTabs"
            :key="tab.key"
            :class="{ active: activeTab === tab.key }"
            @click="switchTab(tab.key)"
          >
            <span>{{ tab.name }}</span>
          </div>
        </div>
        <div class="query-group">
          <el-date-picker
            type="daterange" 
            v-model="queryDate"
            range-separator="至"
            start-placeholder="开始日期"
            end-placeholder="结束日期"
            popper-class="dark-date-popper"
          ></el-date-picker>
          <button class="query-btn" @click="handleQuery">查询</button>
        </div>
      </div>
    </header>

    <main class="screen-content">
      <div v-if="activeTab === 'sales'" class="screen-page">
        <div class="demo-tip">核心销售大屏内容</div>
      </div>
      <div v-else-if="activeTab === 'operation'" class="screen-page">
        <div class="demo-tip">运营分析大屏内容</div>
      </div>
      <div v-else-if="activeTab === 'inventory'" class="screen-page">
        <div class="demo-tip">库存管理大屏内容</div>
      </div>
      <div v-else-if="activeTab === 'finance'" class="screen-page">
        <div class="demo-tip">财务数据大屏内容</div>
      </div>
    </main>
  </div>
</template>

<script setup>
import { ref } from 'vue'

const allTabs = [
  { key: 'sales', name: '销售大屏' },
  { key: 'operation', name: '运营大屏' },
  { key: 'inventory', name: '库存大屏' },
  { key: 'finance', name: '财务大屏' },
]

const activeTab = ref('sales')
const queryDate = ref('')

const switchTab = (key) => {
  activeTab.value = key
}

const handleQuery = () => {
  console.log('查询日期：', queryDate.value)
}
</script>

<style>
.dark-date-popper {
  z-index: 9999 !important;
  background-color: #0f3460 !important;
  border: 1px solid #1a508b !important;
}
.dark-date-popper .el-picker-panel,
.dark-date-popper .el-date-range-picker,
.dark-date-popper .el-date-range-picker__header,
.dark-date-popper .el-date-table,
.dark-date-popper .el-date-table th,
.dark-date-popper .el-date-table td {
  background-color: #0f3460 !important;
  color: #e0e6ff !important;
  border-color: #1a508b !important;
}
.dark-date-popper .el-date-range-picker__content .el-date-range-picker__header {
  background-color: #154580 !important;
}
.dark-date-popper .el-date-range-picker__content {
  background-color: #0f3460 !important;
}
.dark-date-popper .el-date-table td.current,
.dark-date-popper .el-date-table td.start-date,
.dark-date-popper .el-date-table td.end-date {
  background-color: #3c9cff !important;
  color: #fff !important;
}
.dark-date-popper .el-date-table td.in-range {
  background-color: rgba(60, 156, 255, 0.25) !important;
  color: #e0e6ff !important;
}
.dark-date-popper .el-date-table-cell {
  background-color: transparent !important;
}
.dark-date-popper .el-date-table-cell::before,
.dark-date-popper .el-date-table-cell::after {
  background-color: transparent !important;
  opacity: 0 !important;
}
.dark-date-popper .el-date-table td.in-range .el-date-table-cell::before {
  background-color: rgba(60, 156, 255, 0.25) !important;
}
</style>

<!-- 组件专属样式（scoped隔离） -->
<style scoped>
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

.big-screen-container {
  width: 100vw;
  height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background-color: #0a1929;
  background-image: inherit;
  background-size: cover;
  position: relative;
}

.big-screen-container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 52, 96, 0.85);
  z-index: 1;
}

.screen-header {
  height: 75px;
  padding: 0 2vw;
  border-bottom: 1px solid #1a508b;
  background: url('@/assets/images/biaoti.png') no-repeat center center, 
              linear-gradient(90deg, rgba(15, 52, 96, 0.8), rgba(21, 69, 128, 0.8));
  background-size: cover;
  position: relative;
  z-index: 10;
}

.title-center {
  position: absolute;
  left: 50%;
  top: 35%;
  transform: translate(-50%, -50%);
}

.main-title {
  font-size: 32px;
  font-weight: 720;
  background: #3c9cff;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  white-space: nowrap;
  letter-spacing: 2px;
}

.tabs-container {
  position: absolute;
  left: 0;
  bottom: 1px;
  width: 100%;
  padding: 0 2vw;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 10;
}

.tabs-left {
  display: flex;
  gap: 12px;
}

.tab-item {
  height: 36px;
  line-height: 36px;
  padding: 0 20px;
  border-radius: 8px;
  font-size: 16px;
  cursor: pointer;
  transition: all 0.3s ease;
  background: url('@/assets/images/button1.png') no-repeat center center;
  background-size: 100% 100%;
  color: #e0e6ff;
  text-align: center;
  border: none !important;
}

.tab-item:hover {
  background: url('@/assets/images/button2.png') no-repeat center center;
  background-size: 100% 100%;
  color: #fff;
}

.tab-item.active {
  background: url('@/assets/images/button2.png') no-repeat center center;
  background-size: 100% 100%;
  color: #fff;
  font-weight: 500;
  box-shadow: 0 2px 8px rgba(60, 156, 255, 0.4);
  border: none !important;
}

.query-group {
  display: flex;
  gap: 10px;
  align-items: center;
  justify-content: flex-end;
  height: 100%;
}

/* 日期输入框样式（scoped+deep穿透） */
:deep(.el-input),
:deep(.el-input__wrapper),
:deep(.el-input__inner) {
  background-color: #0f3460 !important;
  color: #e0e6ff !important;
  border: 1px solid #1a508b !important;
  box-shadow: none !important;
}

:deep(.el-input.is-focus .el-input__wrapper) {
  box-shadow: 0 0 0 1px #3c9cff inset !important;
}

:deep(.el-date-editor .el-range-input) {
  color: #e0e6ff !important;
}

:deep(.el-date-editor .el-range-separator) {
  color: #e0e6ff !important;
  margin-bottom: 5px !important;
}

.query-btn {
  height: 36px;
  padding: 0 20px;
  border-radius: 8px;
  background: linear-gradient(90deg, #1a508b, #3c9cff);
  border: 1px solid #1a508b;
  color: #fff;
  font-size: 16px;
  cursor: pointer;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.query-btn:hover {
  box-shadow: 0 2px 8px rgba(60, 156, 255, 0.6);
  background: linear-gradient(90deg, #154580, #2b8ed8);
}

.screen-content {
  flex: 1;
  padding: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 10;
}

.screen-page {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(15, 52, 96, 0.8);
  border: 1px solid #1a508b;
  border-radius: 12px;
  backdrop-filter: blur(8px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.demo-tip {
  font-size: 24px;
  color: #e0e6ff;
  letter-spacing: 1px;
}

@media (max-width: 1600px) {
  .main-title {
    font-size: 24px;
  }
  .tab-item {
    padding: 0 18px;
    font-size: 14px;
    height: 32px;
    line-height: 32px;
  }
  .date-picker-wrapper {
    width: 220px;
    height: 32px;
  }
  .query-btn {
    height: 32px;
    font-size: 14px;
    padding: 0 18px;
  }
}

@media (max-height: 900px) {
  .screen-header {
    height: 65px;
  }
  .tabs-container {
    bottom: 1px;
  }
  .tab-item {
    height: 32px;
    line-height: 32px;
  }
  .date-picker-wrapper {
    height: 32px;
  }
  .query-btn {
    height: 32px;
  }
  .screen-content {
    padding: 15px;
  }
}
</style>