refactor(BottomNav): 将本地图标引用替换为CDN链接并修改激活颜色

将底部导航栏的图标从本地资源改为CDN链接，便于统一管理
将激活状态颜色从#4A90E2改为#54ABAE

 <!--
  * @Date: 2025-08-27 17:44:10
  * @LastEditors: hookehuyr hookehuyr@gmail.com
- * @LastEditTime: 2025-08-29 11:39:51
+ * @LastEditTime: 2025-09-09 11:08:37
  * @FilePath: /map-demo/src/components/BottomNav.vue
  * @Description: 文件描述
 -->
@@ -23,15 +23,15 @@
 <script setup>
 import { computed, shallowRef } from 'vue';
 import wx from 'weixin-js-sdk'
-import homeIcon from '@images/icons/home.svg';
-import homeIconActive from '@images/icons/home_active.svg';
-import rewardsIcon from '@images/icons/rewards.svg';
-import rewardsIconActive from '@images/icons/rewards_active.svg';
-import activitiesIcon from '@images/icons/activities.svg';
-import activitiesIconActive from '@images/icons/activities_active.svg';
-import meIcon from '@images/icons/me.svg';
-import meIconActive from '@images/icons/me_active.svg';
 
+const homeIcon = 'https://cdn.ipadbiz.cn/lls_prog/icon/home.svg';
+const homeIconActive = 'https://cdn.ipadbiz.cn/lls_prog/icon/home_active1.svg';
+const rewardsIcon = 'https://cdn.ipadbiz.cn/lls_prog/icon/rewards.svg';
+const rewardsIconActive = 'https://cdn.ipadbiz.cn/lls_prog/icon/rewards_active1.svg';
+const activitiesIcon = 'https://cdn.ipadbiz.cn/lls_prog/icon/activities.svg';
+const activitiesIconActive = 'https://cdn.ipadbiz.cn/lls_prog/icon/activities_active1.svg';
+const meIcon = 'https://cdn.ipadbiz.cn/lls_prog/icon/me.svg';
+const meIconActive = 'https://cdn.ipadbiz.cn/lls_prog/icon/me_active1.svg';
 /**
  * 检测是否在小程序web-view环境中
  * @returns {boolean} 是否在小程序环境
@@ -89,7 +89,7 @@ const navigate = (path) => {
 
 /* 激活状态 */
 .nav-item-active {
-  color: #4A90E2;
+  color: #54ABAE;
 }
 
 /* 非激活状态 */