feat(主题): 统一使用主题颜色配置替换硬编码颜色

将多处硬编码的蓝色主题色替换为统一的主题颜色配置，便于维护和统一调整

@@ -46,7 +46,7 @@
         type="primary"
         size="large"
         class="join-button"
-        color="#3B82F6"
+        :color="THEME_COLORS.PRIMARY"
         :loading="isJoining"
         @click="checkFamilyStatusAndJoinActivity"
       >
@@ -139,6 +139,8 @@ import ShareButton from '../../components/ShareButton/index.vue'
 // 接口信息
 import { getMyFamiliesAPI } from '@/api/family'
 import { handleSharePageAuth, addShareFlag } from '@/utils/authRedirect'
+// 主题颜色配置
+import { THEME_COLORS } from '@/utils/config'
 
 // 默认海报图
 const defaultPoster = 'https://cdn.ipadbiz.cn/lls_prog/images/welcome_1.png';

@@ -70,6 +70,8 @@
 import { ref, computed, onMounted } from 'vue'
 import Taro from '@tarojs/taro'
 import BottomNav from '../../components/BottomNav.vue'
+// 导入主题颜色
+import { THEME_COLORS } from '@/utils/config'
 
 /**
  * 打卡列表页面组件
@@ -247,7 +249,7 @@ const loadCheckinData = async () => {
 
   .progress-info {
     font-size: 26rpx;
-    color: #3B82F6;
+    color: v-bind('THEME_COLORS.PRIMARY');
     background-color: #EBF4FF;
     padding: 12rpx 20rpx;
     border-radius: 20rpx;

@@ -54,7 +54,7 @@
 
         <!-- Bottom Button -->
         <view class="fixed bottom-0 left-0 right-0 p-4 bg-white border-t border-gray-100">
-            <nut-button type="primary" size="large" block color="#3B82F6" @click="handleRedeem">
+            <nut-button type="primary" size="large" block :color="THEME_COLORS.PRIMARY" @click="handleRedeem">
                 立即核销
             </nut-button>
         </view>
@@ -65,6 +65,8 @@
 import { ref } from 'vue';
 import Taro from '@tarojs/taro';
 import AppHeader from '../../components/AppHeader.vue';
+// 导入主题颜色
+import { THEME_COLORS } from '@/utils/config';
 
 // Mock reward data based on the image
 const reward = ref({

@@ -16,7 +16,7 @@
           :key="index"
           class="motto-input-box"
           :style="{
-            borderColor: focusedIndex === index ? '#3b82f6' : '#d1d5db'
+            borderColor: focusedIndex === index ? THEME_COLORS.PRIMARY : '#d1d5db'
           }"
         >
           <input
@@ -150,7 +150,7 @@
           <nut-button
             @click="confirmJoinFamily"
             class="flex-1"
-            :color="selectedFamilyId ? '#3b82f6' : 'gray'"
+            :color="selectedFamilyId ? THEME_COLORS.PRIMARY : 'gray'"
             :disabled="!selectedFamilyId"
             size="large"
           >
@@ -168,6 +168,8 @@ import Taro from '@tarojs/taro';
 import { My, Check } from '@nutui/icons-vue-taro';
 // 获取接口信息
 import { searchFamilyByPassphraseAPI, joinFamilyAPI } from '@/api/family';
+// 导入主题颜色
+import { THEME_COLORS } from '@/utils/config';
 // 默认头像
 const defaultAvatar = 'https://cdn.ipadbiz.cn/mlaj/images/icon_1.jpeg'
 

@@ -62,7 +62,7 @@
                 type="primary"
                 size="large"
                 block
-                :color="reward.can_redeem ? '#3B82F6' : '#D1D5DB'"
+                :color="reward.can_redeem ? THEME_COLORS.PRIMARY : '#D1D5DB'"
                 :disabled="!reward.can_redeem"
                 @click="handleRedeem"
             >
@@ -79,6 +79,8 @@ import { getUserProfileAPI } from '@/api/user';
 import { handleSharePageAuth, addShareFlag } from '@/utils/authRedirect';
 // 导入接口
 import { getCouponDetailAPI, redeemCouponAPI } from '@/api/coupon';
+// 导入主题颜色
+import { THEME_COLORS } from '@/utils/config';
 
 const isCreator = ref(false);
 const couponId = ref('');

@@ -98,7 +98,7 @@
     }
 
     &.primary {
-      background-color: #3b82f6;
+      background-color: v-bind('THEME_COLORS.PRIMARY');
       color: #ffffff;
 
       &:active {

@@ -145,7 +145,7 @@
 import { ref, onMounted } from 'vue';
 import Taro from '@tarojs/taro';
 import { Left, Photograph, Close } from '@nutui/icons-vue-taro';
-import BASE_URL from '@/utils/config';
+import BASE_URL, { THEME_COLORS } from '@/utils/config';
 
 //
 const playIcon = 'https://cdn.ipadbiz.cn/lls_prog/icon/play.svg';

 /*
  * @Date: 2022-09-19 14:11:06
  * @LastEditors: hookehuyr hookehuyr@gmail.com
- * @LastEditTime: 2025-09-06 13:24:57
+ * @LastEditTime: 2025-09-08 14:00:36
  * @FilePath: /lls_program/src/utils/config.js
  * @Description: 环境配置文件 - 根据小程序运行环境自动切换API地址
  */
@@ -42,3 +42,14 @@ export default BASE_URL;
 
 // 默认封面图片地址
 export const DEFAULT_COVER_IMG = 'https://images.unsplash.com/photo-1558981806-ec527fa84c39?ixlib=rb-1.2.1&auto=format&fit=crop&w=800&q=60'
+
+// 主题颜色配置
+export const THEME_COLORS = {
+    // 主题蓝色 - 可统一调整
+    PRIMARY: '#4A90E2',
+    // 其他颜色可以在这里添加
+    SECONDARY: '#6B7280',
+    SUCCESS: '#10B981',
+    WARNING: '#F59E0B',
+    ERROR: '#EF4444'
+}