feat: 更新通知组件背景色，使用变量替代硬编码颜色，提升样式一致性

src/views/notify/detail.vue

@@ -23,7 +23,7 @@ function getConfigByType(type: string) {
       <div v-if="data" class="notification-detail">
         <!-- 图标和标题 -->
         <div class="flex items-start gap-4">
-          <div class="bg-[#f1f1f1] dark:bg-[#2d2d2d] p-2.5 rounded-full shrink-0">
+          <div class="bg-text-950 p-2.5 rounded-full shrink-0">
             <Icon :icon="getConfigByType(data.type).icon" class="text-2xl" :style="{ color: getConfigByType(data.type).color }" />
           </div>
           <div class="flex-1 min-w-0">