feat: 首页样式改变

src/pages/Discovery/index.vue

@@ -5,10 +5,10 @@
       class="z-[12] flex w-full shrink-0 flex-row items-center bg-[#F0F8F3]"
     >
       <view
-        class="ml-[12px] shrink-0 whitespace-nowrap px-[4px] text-[16px] font-medium text-[rgba(128,140,153,0.9)]"
+        class="ml-[12px] flex h-[32px] w-[32px] shrink-0 items-center justify-center rounded-full border border-white/20 bg-[rgba(0,0,0,0.3)]"
         @click="handleMainPanoramaClick"
       >
-        荔波全景
+        <uni-icons type="arrow-left" size="18" color="#FFFFFF" />
       </view>
       <view v-if="discoveryTabs.length > 0" class="min-w-0 flex-1 overflow-hidden">
         <FindTabs v-model="activeIndex" :tabs="discoveryTabs" @change="handleTabChange" />