diff --git a/admin/client/src/layout/components/Navbar.vue b/admin/client/src/layout/components/Navbar.vue
index 2534892..1fe9b16 100644
--- a/admin/client/src/layout/components/Navbar.vue
+++ b/admin/client/src/layout/components/Navbar.vue
@@ -36,6 +36,35 @@
         </el-dropdown-menu>
       </el-dropdown>
     </div>
+
+    <div class="theme-switch-wrapper">
+      <div class="theme-switch">
+        <div 
+          class="theme-item" 
+          :class="{ active: theme === 'dark' }"
+          @click="setTheme('dark')"
+        >
+          <span class="color-dot dark-dot"></span>
+          深色
+        </div>
+        <div 
+          class="theme-item" 
+          :class="{ active: theme === 'orange' }"
+          @click="setTheme('orange')"
+        >
+          <span class="color-dot orange-dot"></span>
+          橙色
+        </div>
+        <div 
+          class="theme-item" 
+          :class="{ active: theme === 'light' }"
+          @click="setTheme('light')"
+        >
+          <span class="color-dot light-dot"></span>
+          浅白色
+        </div>
+      </div>
+    </div>
   </div>
 </template>
 
@@ -53,13 +82,17 @@ export default {
     ...mapGetters([
       'sidebar',
       'avatar',
-      'name'
+      'name',
+      'theme'
     ])
   },
   methods: {
     toggleSideBar() {
       this.$store.dispatch('app/toggleSideBar')
     },
+    setTheme(theme) {
+      this.$store.dispatch('settings/setTheme', theme)
+    },
     async logout() {
       await this.$store.dispatch('user/logout')
       this.$router.push(`/login?redirect=${this.$route.fullPath}`)
@@ -150,5 +183,56 @@ export default {
       }
     }
   }
+
+  .theme-switch-wrapper {
+    float: right;
+    height: 100%;
+    display: flex;
+    align-items: center;
+    margin-right: 10px;
+
+    .theme-switch {
+      display: flex;
+      background: rgba(0, 0, 0, 0.05);
+      padding: 3px;
+      border-radius: 20px;
+
+      .theme-item {
+        display: flex;
+        align-items: center;
+        padding: 4px 8px;
+        margin: 0 2px;
+        cursor: pointer;
+        border-radius: 16px;
+        font-size: 12px;
+        color: #606266;
+        transition: all 0.3s;
+
+        &:hover {
+          background: rgba(0, 0, 0, 0.1);
+          color: #303133;
+        }
+
+        &.active {
+          background: #fff;
+          color: #303133;
+          box-shadow: 0 2px 6px rgba(0,0,0,0.1);
+          font-weight: 500;
+        }
+
+        .color-dot {
+          width: 8px;
+          height: 8px;
+          border-radius: 50%;
+          margin-right: 4px;
+          display: inline-block;
+        }
+
+        .dark-dot { background: #1b2735; }
+        .orange-dot { background: linear-gradient(135deg, #f6d365 0%, #fda085 100%); }
+        .light-dot { background: #f0f2f5; border: 1px solid #ccc; }
+      }
+    }
+  }
 }
 </style>
diff --git a/admin/client/src/layout/components/Sidebar/Logo.vue b/admin/client/src/layout/components/Sidebar/Logo.vue
index fc7e40a..95718c3 100644
--- a/admin/client/src/layout/components/Sidebar/Logo.vue
+++ b/admin/client/src/layout/components/Sidebar/Logo.vue
@@ -42,41 +42,41 @@ export default {
 }
 
 .sidebar-logo-container {
-  position: relative;
-  width: 100%;
-  height: 50px;
-  line-height: 50px;
-  background: #2b333e;
-  text-align: center;
-  overflow: hidden;
-
-  & .sidebar-logo-link {
-    height: 100%;
+    position: relative;
     width: 100%;
+    height: 50px;
+    line-height: 50px;
+    background: var(--menuBg);
+    text-align: center;
+    overflow: hidden;
 
-    & .sidebar-logo {
-      width: 32px;
-      height: 32px;
-      vertical-align: middle;
-      margin-right: 12px;
+    & .sidebar-logo-link {
+      height: 100%;
+      width: 100%;
+
+      & .sidebar-logo {
+        width: 32px;
+        height: 32px;
+        vertical-align: middle;
+        margin-right: 12px;
+      }
+
+      & .sidebar-title {
+        display: inline-block;
+        margin: 0;
+        color: var(--menuText);
+        font-weight: 600;
+        line-height: 50px;
+        font-size: 14px;
+        font-family: Avenir, Helvetica Neue, Arial, Helvetica, sans-serif;
+        vertical-align: middle;
+      }
     }
 
-    & .sidebar-title {
-      display: inline-block;
-      margin: 0;
-      color: #fff;
-      font-weight: 600;
-      line-height: 50px;
-      font-size: 14px;
-      font-family: Avenir, Helvetica Neue, Arial, Helvetica, sans-serif;
-      vertical-align: middle;
+    &.collapse {
+      .sidebar-logo {
+        margin-right: 0px;
+      }
     }
   }
-
-  &.collapse {
-    .sidebar-logo {
-      margin-right: 0px;
-    }
-  }
-}
 </style>
diff --git a/admin/client/src/layout/components/Sidebar/index.vue b/admin/client/src/layout/components/Sidebar/index.vue
index fb014a2..cf4ecfc 100644
--- a/admin/client/src/layout/components/Sidebar/index.vue
+++ b/admin/client/src/layout/components/Sidebar/index.vue
@@ -1,5 +1,5 @@
 <template>
-  <div :class="{'has-logo':showLogo}">
+  <div :class="{'has-logo':showLogo}" :style="cssVars">
     <logo v-if="showLogo" :collapse="isCollapse" />
     <el-scrollbar wrap-class="scrollbar-wrapper">
       <el-menu
@@ -22,14 +22,14 @@
 import { mapGetters } from 'vuex'
 import Logo from './Logo'
 import SidebarItem from './SidebarItem'
-import variables from '@/styles/variables.scss'
 
 export default {
   components: { SidebarItem, Logo },
   computed: {
     ...mapGetters([
       'permission_routes',
-      'sidebar'
+      'sidebar',
+      'theme'
     ]),
     activeMenu() {
       const route = this.$route
@@ -43,8 +43,47 @@ export default {
     showLogo() {
       return this.$store.state.settings.sidebarLogo
     },
+    cssVars() {
+      switch (this.theme) {
+        case 'orange':
+          return {
+            '--menuBg': '#3e2723',
+            '--menuHover': '#4e342e',
+            '--subMenuBg': '#4e342e',
+            '--subMenuHover': '#5d4037',
+            '--menuText': '#ffecb3',
+            '--menuActiveText': '#ff9800',
+            '--subMenuActiveText': '#ff9800'
+          }
+        case 'light':
+          return {
+            '--menuBg': '#ffffff',
+            '--menuHover': '#f5f5f5',
+            '--subMenuBg': '#ffffff',
+            '--subMenuHover': '#f5f5f5',
+            '--menuText': '#333333',
+            '--menuActiveText': '#409EFF',
+            '--subMenuActiveText': '#303133'
+          }
+        default:
+          return {
+            '--menuBg': '#2b333e',
+            '--menuHover': '#1f262f',
+            '--subMenuBg': '#1f262f',
+            '--subMenuHover': '#001528',
+            '--menuText': '#bfcbd9',
+            '--menuActiveText': '#409EFF',
+            '--subMenuActiveText': '#f4f4f5'
+          }
+      }
+    },
     variables() {
-      return variables
+      const vars = this.cssVars
+      return {
+        menuBg: vars['--menuBg'],
+        menuText: vars['--menuText'],
+        menuActiveText: vars['--menuActiveText']
+      }
     },
     isCollapse() {
       return !this.sidebar.opened
diff --git a/admin/client/src/store/getters.js b/admin/client/src/store/getters.js
index 1854b88..373922c 100644
--- a/admin/client/src/store/getters.js
+++ b/admin/client/src/store/getters.js
@@ -5,6 +5,7 @@ const getters = {
   avatar: state => state.user.avatar,
   name: state => state.user.name,
   perms: state => state.user.perms,
-  permission_routes: state => state.permission.routes
+  permission_routes: state => state.permission.routes,
+  theme: state => state.settings.theme
 }
 export default getters
diff --git a/admin/client/src/store/modules/settings.js b/admin/client/src/store/modules/settings.js
index aab31a2..07e1969 100644
--- a/admin/client/src/store/modules/settings.js
+++ b/admin/client/src/store/modules/settings.js
@@ -5,7 +5,8 @@ const { showSettings, fixedHeader, sidebarLogo } = defaultSettings
 const state = {
   showSettings: showSettings,
   fixedHeader: fixedHeader,
-  sidebarLogo: sidebarLogo
+  sidebarLogo: sidebarLogo,
+  theme: 'dark'
 }
 
 const mutations = {
@@ -13,12 +14,18 @@ const mutations = {
     if (state.hasOwnProperty(key)) {
       state[key] = value
     }
+  },
+  SET_THEME: (state, theme) => {
+    state.theme = theme
   }
 }
 
 const actions = {
   changeSetting({ commit }, data) {
     commit('CHANGE_SETTING', data)
+  },
+  setTheme({ commit }, theme) {
+    commit('SET_THEME', theme)
   }
 }
 
diff --git a/admin/client/src/styles/sidebar.scss b/admin/client/src/styles/sidebar.scss
index 3dad4c3..4c35475 100644
--- a/admin/client/src/styles/sidebar.scss
+++ b/admin/client/src/styles/sidebar.scss
@@ -10,7 +10,7 @@
   .sidebar-container {
     transition: width 0.28s;
     width: $sideBarWidth !important;
-    background-color: $menuBg;
+    background-color: var(--menuBg);
     height: 100%;
     position: fixed;
     font-size: 0px;
@@ -67,21 +67,21 @@
     .submenu-title-noDropdown,
     .el-submenu__title {
       &:hover {
-        background-color: $menuHover !important;
+        background-color: var(--menuHover) !important;
       }
     }
 
     .is-active>.el-submenu__title {
-      color: $subMenuActiveText !important;
+      color: var(--subMenuActiveText) !important;
     }
 
     & .nest-menu .el-submenu>.el-submenu__title,
     & .el-submenu .el-menu-item {
       min-width: $sideBarWidth !important;
-      background-color: $subMenuBg !important;
+      background-color: var(--subMenuBg) !important;
 
       &:hover {
-        background-color: $subMenuHover !important;
+        background-color: var(--subMenuHover) !important;
       }
     }
   }
diff --git a/admin/client/src/views/dashboard/components/BarChart.vue b/admin/client/src/views/dashboard/components/BarChart.vue
index 247f5fb..f18e0f9 100644
--- a/admin/client/src/views/dashboard/components/BarChart.vue
+++ b/admin/client/src/views/dashboard/components/BarChart.vue
@@ -25,6 +25,10 @@ export default {
     chartData: {
       type: Object,
       default: () => ({ names: [], counts: [], title: '机构学员' })
+    },
+    theme: {
+      type: String,
+      default: 'dark'
     }
   },
   data() {
@@ -32,6 +36,17 @@ export default {
       chart: null
     }
   },
+  watch: {
+    theme() {
+      this.initChart()
+    },
+    chartData: {
+      deep: true,
+      handler() {
+        this.initChart()
+      }
+    }
+  },
   mounted() {
     this.$nextTick(() => {
       this.initChart()
@@ -46,17 +61,25 @@ export default {
   },
   methods: {
     initChart() {
+      if (this.chart) {
+        this.chart.dispose() // Dispose old instance to apply new theme completely if needed, or just setOption
+      }
       this.chart = echarts.init(this.$el, 'macarons')
 
       const names = this.chartData.names || []
       const counts = this.chartData.counts || []
       const title = this.chartData.title || '机构学员'
+      
+      const isDark = this.theme === 'dark';
+      const textColor = isDark ? '#fff' : '#333';
+      const axisLineColor = isDark ? '#fff' : '#333';
+      const splitLineColor = isDark ? 'rgba(255, 255, 255, 0.1)' : 'rgba(0, 0, 0, 0.1)';
 
       this.chart.setOption({
         title: {
           text: title,
           textStyle: {
-            color: '#fff'
+            color: textColor
           },
           left: 'center'
         },
@@ -80,11 +103,11 @@ export default {
             alignWithLabel: true
           },
           axisLabel: {
-            color: '#fff'
+            color: axisLineColor
           },
           axisLine: {
             lineStyle: {
-              color: '#fff'
+              color: axisLineColor
             }
           }
         }],
@@ -95,16 +118,16 @@ export default {
             show: false
           },
           axisLabel: {
-            color: '#fff'
+            color: axisLineColor
           },
           axisLine: {
             lineStyle: {
-              color: '#fff'
+              color: axisLineColor
             }
           },
           splitLine: {
             lineStyle: {
-              color: 'rgba(255, 255, 255, 0.1)'
+              color: splitLineColor
             }
           }
         }],
diff --git a/admin/client/src/views/dashboard/components/LineChart.vue b/admin/client/src/views/dashboard/components/LineChart.vue
index 225f469..085a3ea 100644
--- a/admin/client/src/views/dashboard/components/LineChart.vue
+++ b/admin/client/src/views/dashboard/components/LineChart.vue
@@ -29,6 +29,10 @@ export default {
     chartData: {
       type: Object,
       required: true
+    },
+    theme: {
+      type: String,
+      default: 'dark'
     }
   },
   data() {
@@ -37,6 +41,9 @@ export default {
     }
   },
   watch: {
+    theme() {
+      this.setOptions(this.chartData)
+    },
     chartData: {
       deep: true,
       handler(val) {
@@ -58,10 +65,17 @@ export default {
   },
   methods: {
     initChart() {
+      if (this.chart) {
+        this.chart.dispose()
+      }
       this.chart = echarts.init(this.$el, 'macarons')
       this.setOptions(this.chartData)
     },
     setOptions({ expectedData, actualData, xAxis } = {}) {
+      const isDark = this.theme === 'dark';
+      const textColor = isDark ? '#fff' : '#333';
+      const splitLineColor = isDark ? 'rgba(255, 255, 255, 0.1)' : 'rgba(0, 0, 0, 0.1)';
+
       this.chart.setOption({
         xAxis: {
           data: xAxis && xAxis.length ? xAxis : ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun'],
@@ -70,11 +84,11 @@ export default {
             show: false
           },
           axisLabel: {
-            color: '#fff'
+            color: textColor
           },
           axisLine: {
             lineStyle: {
-              color: '#fff'
+              color: textColor
             }
           }
         },
@@ -97,23 +111,23 @@ export default {
             show: false
           },
           axisLabel: {
-            color: '#fff'
+            color: textColor
           },
           axisLine: {
             lineStyle: {
-              color: '#fff'
+              color: textColor
             }
           },
           splitLine: {
             lineStyle: {
-              color: 'rgba(255, 255, 255, 0.1)'
+              color: splitLineColor
             }
           }
         },
         legend: {
           data: ['上周', '本周'],
           textStyle: {
-            color: '#fff'
+            color: textColor
           }
         },
         series: [{
diff --git a/admin/client/src/views/dashboard/components/MapChart.vue b/admin/client/src/views/dashboard/components/MapChart.vue
index 161b26d..dec1a23 100644
--- a/admin/client/src/views/dashboard/components/MapChart.vue
+++ b/admin/client/src/views/dashboard/components/MapChart.vue
@@ -25,6 +25,10 @@ export default {
     chartData: {
       type: Array,
       default: () => []
+    },
+    theme: {
+      type: String,
+      default: 'dark'
     }
   },
   data() {
@@ -33,6 +37,9 @@ export default {
     }
   },
   watch: {
+    theme() {
+      this.setOptions(this.chartData)
+    },
     chartData: {
       deep: true,
       handler(val) {
@@ -54,6 +61,9 @@ export default {
   },
   methods: {
     initChart() {
+      if (this.chart) {
+        this.chart.dispose()
+      }
       this.chart = echarts.init(this.$el, 'macarons')
       
       // Check if map is already registered
@@ -76,6 +86,29 @@ export default {
     setOptions(data) {
       if (!this.chart) return
 
+      const isDark = this.theme === 'dark';
+      const textColor = isDark ? '#fff' : '#333';
+      
+      let areaColor, borderColor, visualMapColor;
+
+      switch (this.theme) {
+        case 'orange':
+          areaColor = '#fdf6ec';
+          borderColor = '#faecd8';
+          visualMapColor = ['#fdf6ec', '#e6a23c'];
+          break;
+        case 'light':
+          areaColor = '#f0f9eb';
+          borderColor = '#fff';
+          visualMapColor = ['#f0f9eb', '#67c23a'];
+          break;
+        default: // dark
+          areaColor = 'rgba(20, 41, 87, 0.6)';
+          borderColor = '#4facfe';
+          visualMapColor = ['#e0ffff', '#006edd'];
+          break;
+      }
+
       this.chart.setOption({
         backgroundColor: 'transparent',
         title: {
@@ -83,7 +116,7 @@ export default {
           left: 'center',
           top: 20,
           textStyle: {
-            color: '#fff',
+            color: textColor,
             fontSize: 18,
             fontWeight: 'bold'
           }
@@ -104,11 +137,11 @@ export default {
           bottom: '50',
           text: ['高', '低'],
           textStyle: {
-            color: '#fff'
+            color: textColor
           },
           calculable: true,
           inRange: {
-            color: ['#e0ffff', '#006edd']
+            color: visualMapColor
           }
         },
         series: [
@@ -120,7 +153,7 @@ export default {
             zoom: 1.2,
             label: {
               show: true,
-              color: '#fff',
+              color: textColor,
               fontSize: 10,
               formatter: function(params) {
                   if (params.value > 0) {
@@ -132,7 +165,7 @@ export default {
             emphasis: {
                 label: {
                     show: true,
-                    color: '#fff'
+                    color: textColor
                 },
                 itemStyle: {
                     areaColor: '#fbc2eb',
@@ -141,8 +174,8 @@ export default {
                 }
             },
             itemStyle: {
-                areaColor: 'rgba(20, 41, 87, 0.6)',
-                borderColor: '#4facfe',
+                areaColor: areaColor,
+                borderColor: borderColor,
                 borderWidth: 1
             },
             data: data
diff --git a/admin/client/src/views/dashboard/components/PanelGroup.vue b/admin/client/src/views/dashboard/components/PanelGroup.vue
index 7aa814a..d3a6a68 100644
--- a/admin/client/src/views/dashboard/components/PanelGroup.vue
+++ b/admin/client/src/views/dashboard/components/PanelGroup.vue
@@ -1,5 +1,5 @@
 <template>
-  <div>
+  <div :class="'theme-' + theme">
   <el-row :gutter="40" class="panel-group">
     <el-col :xs="12" :sm="12" :lg="6" class="card-panel-col">
       <div class="card-panel card-panel-blue" @click="handleSetLineChartData('students')">
@@ -104,11 +104,17 @@
 
 <script>
 import CountTo from 'vue-count-to'
+import { mapGetters } from 'vuex'
 
 export default {
   components: {
     CountTo
   },
+  computed: {
+    ...mapGetters([
+      'theme'
+    ])
+  },
   props: {
     panelData: {
       type: Object,
@@ -148,15 +154,59 @@ export default {
     font-size: 12px;
     position: relative;
     overflow: hidden;
-    color: #fff;
-    background: rgba(255, 255, 255, 0.05);
-    backdrop-filter: blur(10px);
-    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
     border-radius: 12px;
     transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
     display: flex;
     align-items: center;
     padding: 0 24px;
+    
+    .card-panel-icon-wrapper {
+      float: none;
+      margin: 0;
+      padding: 12px;
+      transition: all 0.38s ease-out;
+      border-radius: 50%;
+      display: flex;
+      align-items: center;
+      justify-content: center;
+      width: 64px;
+      height: 64px;
+    }
+
+    .card-panel-icon {
+      float: left;
+      font-size: 32px;
+    }
+
+    .card-panel-description {
+      float: none;
+      font-weight: bold;
+      margin: 0;
+      margin-left: 20px;
+      flex: 1;
+      text-align: left;
+
+      .card-panel-text {
+        line-height: 18px;
+        font-size: 16px;
+        margin-bottom: 8px;
+      }
+
+      .card-panel-num {
+        font-size: 24px;
+        font-weight: 600;
+      }
+    }
+  }
+}
+
+/* Theme: Dark (Original Styles) */
+.theme-dark {
+  .card-panel {
+    color: #fff;
+    background-color: rgba(255, 255, 255, 0.05);
+    backdrop-filter: blur(10px);
+    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
     border: 1px solid rgba(255, 255, 255, 0.1);
 
     &:hover {
@@ -170,73 +220,103 @@ export default {
     }
 
     .card-panel-icon-wrapper {
-      float: none;
-      margin: 0;
-      padding: 12px;
-      transition: all 0.38s ease-out;
-      border-radius: 50%;
       background: rgba(255, 255, 255, 0.2);
-      display: flex;
-      align-items: center;
-      justify-content: center;
-      width: 64px;
-      height: 64px;
     }
 
     .card-panel-icon {
-      float: left;
-      font-size: 32px;
-      fill: #fff !important; /* Force white icon */
-      color: #fff; /* Some svgs use color */
+      fill: #fff !important;
+      color: #fff;
     }
 
-    .card-panel-description {
-      float: none;
-      font-weight: bold;
-      margin: 0;
-      margin-left: 20px;
-      flex: 1;
-      text-align: left;
+    .card-panel-text {
+      color: rgba(255, 255, 255, 0.85);
+    }
+    .card-panel-num {
+      color: #fff;
+      text-shadow: 0 2px 4px rgba(0,0,0,0.2);
+    }
 
-      .card-panel-text {
-        line-height: 18px;
-        color: rgba(255, 255, 255, 0.85);
-        font-size: 16px;
-        margin-bottom: 8px;
-      }
+    /* Gradients - 使用 background-image 确保不被覆盖 */
+    &.card-panel-blue { background-image: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%); }
+    &.card-panel-purple { background-image: linear-gradient(135deg, #667eea 0%, #764ba2 100%); }
+    &.card-panel-orange { background-image: linear-gradient(135deg, #f093fb 0%, #f5576c 100%); }
+    &.card-panel-green { background-image: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%); }
+    &.card-panel-red { background-image: linear-gradient(135deg, #fa709a 0%, #fee140 100%); }
+    &.card-panel-yellow { background-image: linear-gradient(135deg, #a18cd1 0%, #fbc2eb 100%); }
+    &.card-panel-pink { background-image: linear-gradient(135deg, #ff0844 0%, #ffb199 100%); }
+  }
+}
 
-      .card-panel-num {
-        font-size: 24px;
+/* Theme: Light & Orange */
+.theme-light, .theme-orange {
+  .card-panel {
+    background: #fff;
+    box-shadow: 0 1px 4px rgba(0,21,41,.08); /* 更柔和的阴影 */
+    border: 1px solid #e6ebf5; /* 增加边框 */
+    color: #666;
+    
+    &:hover {
+      box-shadow: 0 4px 12px 0 rgba(0,0,0,.1);
+      border-color: #dcdfe6;
+      .card-panel-icon-wrapper {
         color: #fff;
-        font-weight: 600;
-        text-shadow: 0 2px 4px rgba(0,0,0,0.2);
       }
     }
-  }
+    
+    .card-panel-icon-wrapper {
+      background: #f0f2f5; /* 稍微深一点的背景 */
+      transition: all 0.3s ease-out;
+    }
+    
+    .card-panel-icon {
+      font-size: 32px;
+      fill: currentColor !important;
+    }
 
-  /* Specific Gradient Backgrounds */
-  .card-panel-blue {
-    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
-  }
-  .card-panel-purple {
-    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
-  }
-  .card-panel-orange {
-    background: linear-gradient(135deg, #ff9a9e 0%, #fecfef 99%, #fecfef 100%); /* Lighter peach */
-    /* Let's try stronger orange */
-    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
-  }
-  .card-panel-green {
-    background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
-  }
-  .card-panel-red {
-    background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
-  }
-  .card-panel-yellow {
-    background: linear-gradient(135deg, #a18cd1 0%, #fbc2eb 100%);
-  }
-  .card-panel-pink {
-    background: linear-gradient(135deg, #ff0844 0%, #ffb199 100%);
+    .card-panel-text {
+      color: rgba(0, 0, 0, 0.65); /* 加深文字颜色 */
+      font-weight: bold;
+    }
+    .card-panel-num {
+      color: #333; /* 加深数字颜色 */
+    }
+    
+    /* Specific Colors */
+    &.card-panel-blue {
+      .card-panel-icon { color: #36a3f7; }
+      .card-panel-icon-wrapper { color: #e6f7ff; background: #e6f7ff; } /* 浅蓝背景 */
+      &:hover .card-panel-icon-wrapper { background: #36a3f7; }
+    }
+    &.card-panel-purple {
+      .card-panel-icon { color: #667eea; }
+      .card-panel-icon-wrapper { color: #f2f6fc; background: #f2f6fc; }
+      &:hover .card-panel-icon-wrapper { background: #667eea; }
+    }
+    &.card-panel-orange {
+      .card-panel-icon { color: #f5576c; }
+      .card-panel-icon-wrapper { color: #fef0f0; background: #fef0f0; }
+      &:hover .card-panel-icon-wrapper { background: #f5576c; }
+    }
+    &.card-panel-green {
+      .card-panel-icon { color: #38f9d7; }
+      .card-panel-icon-wrapper { color: #f0f9eb; background: #f0f9eb; }
+      &:hover .card-panel-icon-wrapper { background: #38f9d7; }
+    }
+    &.card-panel-red {
+      .card-panel-icon { color: #fa709a; }
+      .card-panel-icon-wrapper { color: #fef0f0; background: #fef0f0; }
+      &:hover .card-panel-icon-wrapper { background: #fa709a; }
+    }
+    &.card-panel-yellow {
+      .card-panel-icon { color: #fbc2eb; }
+      .card-panel-icon-wrapper { color: #fdf6ec; background: #fdf6ec; }
+      &:hover .card-panel-icon-wrapper { background: #fbc2eb; }
+    }
+    &.card-panel-pink {
+      .card-panel-icon { color: #ff0844; }
+      .card-panel-icon-wrapper { color: #fef0f0; background: #fef0f0; }
+      &:hover .card-panel-icon-wrapper { background: #ff0844; }
+    }
   }
 }
 
diff --git a/admin/client/src/views/dashboard/components/PieChart.vue b/admin/client/src/views/dashboard/components/PieChart.vue
index 5714865..7c2c5d2 100644
--- a/admin/client/src/views/dashboard/components/PieChart.vue
+++ b/admin/client/src/views/dashboard/components/PieChart.vue
@@ -29,6 +29,10 @@ export default {
     legendData: {
       type: Array,
       default: () => []
+    },
+    theme: {
+      type: String,
+      default: 'dark'
     }
   },
   data() {
@@ -36,6 +40,17 @@ export default {
       chart: null
     }
   },
+  watch: {
+    theme() {
+      this.initChart()
+    },
+    chartData: {
+      deep: true,
+      handler() {
+        this.initChart()
+      }
+    }
+  },
   mounted() {
     this.$nextTick(() => {
       this.initChart()
@@ -50,14 +65,20 @@ export default {
   },
   methods: {
     initChart() {
+      if (this.chart) {
+        this.chart.dispose()
+      }
       this.chart = echarts.init(this.$el, 'macarons')
 
+      const isDark = this.theme === 'dark';
+      const textColor = isDark ? '#fff' : '#333';
+
       this.chart.setOption({
         title: {
           text: '项目人数',
           left: 'center',
           textStyle: {
-            color: '#fff'
+            color: textColor
           }
         },
         tooltip: {
@@ -69,7 +90,7 @@ export default {
           bottom: '10',
           data: this.legendData && this.legendData.map(item => item.name),
           textStyle: {
-            color: '#fff'
+            color: textColor
           }
         },
         series: [
@@ -85,12 +106,12 @@ export default {
             label: {
               show: true,
               formatter: '{b}',
-              color: '#fff'
+              color: textColor
             },
             labelLine: {
               show: true,
               lineStyle: {
-                color: '#fff'
+                color: textColor
               }
             },
             itemStyle: {
diff --git a/admin/client/src/views/dashboard/index.vue b/admin/client/src/views/dashboard/index.vue
index 6cf1f64..8eeb181 100644
--- a/admin/client/src/views/dashboard/index.vue
+++ b/admin/client/src/views/dashboard/index.vue
@@ -1,5 +1,5 @@
 <template>
-  <div class="dashboard-container">
+  <div class="dashboard-container" :class="'theme-' + theme">
     <div v-if="loading" class="chart-wrapper">加载中...</div>
     <div v-else>
       <panel-group 
@@ -10,18 +10,18 @@
       <el-row :gutter="32">
         <el-col :xs="24" :sm="24" :lg="12">
           <div class="chart-wrapper">
-            <pie-chart :chart-data="pieChartData" :legend-data="pieChartLegend" />
+            <pie-chart :chart-data="pieChartData" :legend-data="pieChartLegend" :theme="theme" />
           </div>
         </el-col>
         <el-col :xs="24" :sm="24" :lg="12">
           <div class="chart-wrapper">
-            <bar-chart :chart-data="barChartData" />
+            <bar-chart :chart-data="barChartData" :theme="theme" />
           </div>
         </el-col>
       </el-row>
 
       <el-row class="map-chart-wrapper">
-        <map-chart :chart-data="mapChartData" />
+        <map-chart :chart-data="mapChartData" :theme="theme" />
       </el-row>
       <div v-if="error" class="chart-wrapper">{{ error }}</div>
     </div>
@@ -29,8 +29,8 @@
 </template>
 
 <script>
+import { mapGetters } from 'vuex'
 import PanelGroup from './components/PanelGroup'
-import LineChart from './components/LineChart'
 import MapChart from './components/MapChart'
 import PieChart from './components/PieChart'
 import BarChart from './components/BarChart'
@@ -40,11 +40,15 @@ export default {
   name: 'Dashboard',
   components: {
     PanelGroup,
-    LineChart,
     MapChart,
     PieChart,
     BarChart
   },
+  computed: {
+    ...mapGetters([
+      'theme'
+    ])
+  },
   data() {
     return {
       loading: true,
@@ -110,10 +114,22 @@ export default {
 <style lang="scss" scoped>
 .dashboard-container {
   padding: 32px;
-  background: radial-gradient(ellipse at bottom, #1b2735 0%, #090a0f 100%);
   min-height: 100vh;
   position: relative;
   overflow: hidden;
+  transition: background 0.5s ease;
+
+  &.theme-dark {
+    background: radial-gradient(ellipse at bottom, #1b2735 0%, #090a0f 100%);
+  }
+  
+  &.theme-orange {
+    background: linear-gradient(135deg, #f6d365 0%, #fda085 100%);
+  }
+
+  &.theme-light {
+    background: #f0f2f5;
+  }
 
   /* Subtle animated background elements could be added here if needed, but gradient is good for now */
   
@@ -143,6 +159,36 @@ export default {
     border-radius: 12px;
     border: 1px solid rgba(255, 255, 255, 0.1);
     box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
+    transition: all 0.3s ease;
+  }
+
+  /* Theme Overrides for Light Theme */
+  &.theme-light {
+    .chart-wrapper, .map-chart-wrapper {
+      background: #fff;
+      border: 1px solid #e6ebf5;
+      box-shadow: 0 2px 12px 0 rgba(0, 0, 0, 0.1);
+      backdrop-filter: none;
+
+      &:hover {
+        background: #fff;
+        box-shadow: 0 4px 16px 0 rgba(0, 0, 0, 0.15);
+        border-color: #dcdfe6;
+      }
+    }
+  }
+
+  /* Theme Overrides for Orange Theme (optional, if we want glass effect to be different) */
+  &.theme-orange {
+    .chart-wrapper, .map-chart-wrapper {
+      background: rgba(255, 255, 255, 0.2);
+      border: 1px solid rgba(255, 255, 255, 0.3);
+      box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.1);
+      
+      &:hover {
+        background: rgba(255, 255, 255, 0.3);
+      }
+    }
   }
 }