style(theme): 更新主题颜色变量和导航栏样式

统一使用主题颜色变量替换硬编码颜色值
更新导航栏图标和文字颜色样式

@@ -9,6 +9,8 @@
   --success-color: #10B981;
   --warning-color: #F59E0B;
   --error-color: #EF4444;
+  --color-primary: var(--primary-color);
+  --color-text: #9CA3AF;
 }
 
 .bg-blue-500 {

 <!--
  * @Date: 2025-08-27 17:44:10
  * @LastEditors: hookehuyr hookehuyr@gmail.com
- * @LastEditTime: 2025-09-02 21:37:13
+ * @LastEditTime: 2025-09-09 11:04:34
  * @FilePath: /lls_program/src/components/BottomNav.vue
  * @Description: 文件描述
 -->
@@ -25,13 +25,13 @@ import { computed, shallowRef } from 'vue';
 import Taro from '@tarojs/taro';
 //
 const homeIcon = 'https://cdn.ipadbiz.cn/lls_prog/icon/home.svg';
-const homeIconActive = 'https://cdn.ipadbiz.cn/lls_prog/icon/home_active.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_active.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_active.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_active.svg';
+const meIconActive = 'https://cdn.ipadbiz.cn/lls_prog/icon/me_active1.svg';
 
 const navItems = shallowRef([
   { path: '/pages/Dashboard/index', icon: homeIcon, activeIcon: homeIconActive, label: '首页' },
@@ -54,11 +54,11 @@ const navigate = (path) => {
 };
 </script>
 
-<style>
+<style lang="less">
 .icon-text-color-active {
-  color: #4A90E2;
+  color: var(--color-primary);
 }
 .icon-text-color-default {
-  color: #9CA3AF;
+  color: var(--color-text);
 }
 </style>

 <!--
  * @Date: 2022-09-19 14:11:06
  * @LastEditors: hookehuyr hookehuyr@gmail.com
- * @LastEditTime: 2025-09-07 11:09:26
+ * @LastEditTime: 2025-09-09 11:10:35
  * @FilePath: /lls_program/src/pages/ActivitiesCover/index.vue
  * @Description: 活动海报页面 - 展示活动信息并处理定位授权
 -->
@@ -45,7 +45,6 @@
       <nut-button
         type="primary"
         size="large"
-        class="join-button"
         :color="THEME_COLORS.PRIMARY"
         :loading="isJoining"
         @click="checkFamilyStatusAndJoinActivity"
@@ -117,7 +116,7 @@
               @click="onLocationConfirm"
               type="primary"
               size="normal"
-              color="#007AFF"
+              :color="THEME_COLORS.PRIMARY"
               block
             >
               同意授权