恢复来馆入口并修复小程序地图导航

恢复首页来馆快捷入口。
原生微信小程序直接调用地图位置能力，H5 嵌入场景补充宿主环境识别与承接页跳转。
同时修复 H5 与小程序构建中的静态资源平台兼容。

src/pages/index/index.vue

@@ -117,7 +117,6 @@
         class="guide-quick-actions"
       >
         <view
-          v-if="showArrivalQuickAction"
           class="guide-quick-action"
           :class="{ active: guideQuickActiveAction === 'arrival' }"
           @tap="handleMoreOutdoorNav"
@@ -662,7 +661,6 @@ const showGuideFloatingActions = computed(() => (
   && !isSimulatingRoute.value
   && (!showGuideHomeDock.value || !homeSearchExpanded.value)
 ))
-const showArrivalQuickAction = false
 
 const activeArrivalTargets = computed(() => ARRIVAL_TARGETS_BY_TYPE[activeArrivalType.value])
 

src/pages/search/index.vue

@@ -105,13 +105,17 @@ onUnmounted(() => {
   right: 0;
   top: 0;
   height: 210px;
-  background:
-    linear-gradient(180deg, rgba(255, 255, 255, 0.96) 0 64px, rgba(0, 0, 0, 0.18) 65px, rgba(0, 0, 0, 0.5) 100%),
-    url('/static/guide/app-launch-loading.webp') center top / cover no-repeat;
+  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96) 0 64px, rgba(224, 225, 0, 0.2) 65px, rgba(21, 23, 19, 0.36) 100%);
   pointer-events: none;
 }
 
 /* #ifdef H5 */
+.poi-search-page::before {
+  background:
+    linear-gradient(180deg, rgba(255, 255, 255, 0.96) 0 64px, rgba(0, 0, 0, 0.18) 65px, rgba(0, 0, 0, 0.5) 100%),
+    url('/static/guide/app-launch-loading.webp') center top / cover no-repeat;
+}
+
 .poi-search-page {
   height: var(--poi-search-page-height, 100dvh);
   min-height: var(--poi-search-page-height, 100dvh);