diff --git a/src/oc-community-frontend/src/components/CommunityPage.vue b/src/oc-community-frontend/src/components/CommunityPage.vue
index 57a1bf6..de5b7e3 100644
--- a/src/oc-community-frontend/src/components/CommunityPage.vue
+++ b/src/oc-community-frontend/src/components/CommunityPage.vue
@@ -9,6 +9,8 @@
       <div class="community-scene">
         <div class="scene-background">
           <div class="background-image-container"></div>
+          <!-- 天气叠加层：根据 weatherInfo.condition 动态添加样式 -->
+          <div v-if="weatherInfo" :class="['weather-overlay', weatherClass]"></div>
           <!-- 添加：天气信息显示 -->
           <div v-if="weatherInfo" class="weather-widget">
             <div class="weather-content">
@@ -261,6 +263,18 @@ const currentMap = ref('')
 const weatherInfo = ref(null)
 const weatherLoading = ref(false)
 
+// 根据 weatherInfo.condition 映射到 CSS 类名
+const weatherClass = computed(() => {
+  if (!weatherInfo.value || !weatherInfo.value.condition) return ''
+  const c = String(weatherInfo.value.condition).toLowerCase()
+  if (/晴|clear|sunny/.test(c)) return 'wb-sunny'
+  if (/云|clouds|cloud/.test(c)) return 'wb-cloudy'
+  if (/雨|drizzle|rain|雷|thunder/.test(c)) return 'wb-rain'
+  if (/雪|snow/.test(c)) return 'wb-snow'
+  if (/雾|霾|fog|haze|mist|smoke|dust/.test(c)) return 'wb-haze'
+  return 'wb-default'
+})
+
 // 计算OC当前位置（基于其 schedule）
 const ocPositions = ref([])
 // 每个地点的实时状态（位置、在场人数、对应 oc 列表）
@@ -936,16 +950,16 @@ imageUrl
 /* 天气组件样式 */
 .weather-widget {
   position: absolute;
-  top: 20px;
-  right: 20px;
+  top: 0px;
+  right: 0px;
   background: rgba(255, 255, 255, 0.95);
   backdrop-filter: blur(10px);
   border-radius: 12px;
   padding: 10px; /* 减少内边距 */
   box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
   z-index: 30;
-  min-width: 120px; /* 减小最小宽度 */
-  max-width: 140px; /* 添加最大宽度限制 */
+  min-width: 50px; /* 减小最小宽度 */
+  max-width: 120px; /* 添加最大宽度限制 */
 }
 
 .weather-content {
@@ -1017,4 +1031,102 @@ imageUrl
   display: block;
   line-height: 1.2;
 }
+
+/* 天气覆盖层样式 */
+.weather-overlay {
+  position: absolute;
+  top: 0;
+  left: 0;
+  width: 100%;
+  height: 100%;
+  z-index: 2; /* 位于背景(map)之上、地点图标之下(地点图标 z-index:10) */
+  pointer-events: none;
+  transition: opacity 0.6s ease;
+}
+
+/* 晴天：暖色渐变 + 太阳光环 */
+.weather-overlay.wb-sunny {
+  background: linear-gradient(180deg, rgba(255,240,160,0.12), rgba(255,210,120,0.05));
+}
+.weather-overlay.wb-sunny::before {
+  content: "";
+  position: absolute;
+  right: 8%;
+  top: 8%;
+  width: 160px;
+  height: 160px;
+  background: radial-gradient(circle at 30% 30%, rgba(255,245,200,0.9) 0%, rgba(255,220,120,0.6) 30%, rgba(255,200,80,0.15) 60%, transparent 70%);
+  border-radius: 50%;
+  filter: blur(12px);
+  transform: translateZ(0);
+  animation: sunSlowRotate 12s linear infinite;
+}
+
+@keyframes sunSlowRotate {
+  from { transform: rotate(0deg); }
+  to { transform: rotate(360deg); }
+}
+
+/* 多云：灰白云层覆盖（使用伪元素叠加多个模糊圆形） */
+.weather-overlay.wb-cloudy {
+  background: linear-gradient(180deg, rgba(200,210,220,0.06), rgba(160,170,180,0.06));
+}
+.weather-overlay.wb-cloudy::before,
+.weather-overlay.wb-cloudy::after {
+  content: "";
+  position: absolute;
+  left: 10%;
+  top: 5%;
+  width: 420px;
+  height: 120px;
+  background: radial-gradient(ellipse at center, rgba(255,255,255,0.85) 0%, rgba(240,240,240,0.9) 35%, rgba(220,220,220,0.95) 60%, rgba(200,200,200,0.95) 100%);
+  border-radius: 50%;
+  filter: blur(18px);
+  transform: translateX(0);
+  animation: cloudFloat 18s linear infinite;
+}
+.weather-overlay.wb-cloudy::after {
+  left: 48%;
+  top: 18%;
+  width: 360px;
+  height: 110px;
+  animation-duration: 22s;
+}
+
+@keyframes cloudFloat {
+  0% { transform: translateX(-6%); }
+  50% { transform: translateX(6%); }
+  100% { transform: translateX(-6%); }
+}
+
+/* 雨天：深色背景 + 动态雨线（用重复渐变模拟雨丝） */
+.weather-overlay.wb-rain {
+  background: linear-gradient(180deg, rgba(30,40,50,0.18), rgba(20,25,30,0.2));
+}
+.weather-overlay.wb-rain::before {
+  content: "";
+  position: absolute;
+  inset: 0;
+  background-image: linear-gradient(transparent 70%, rgba(255,255,255,0.06) 70%);
+  background-size: 4px 40px;
+  opacity: 0.9;
+  animation: rainFall 0.8s linear infinite;
+  mix-blend-mode: screen;
+}
+
+@keyframes rainFall {
+  from { background-position: 0 -10px; }
+  to { background-position: 0 40px; }
+}
+
+/* 霾/雾：浅灰覆盖 + 模糊 */
+.weather-overlay.wb-haze {
+  background: rgba(200,200,200,0.25);
+  backdrop-filter: blur(4px) saturate(0.9);
+}
+
+/* 默认轻微蒙层 */
+.weather-overlay.wb-default {
+  background: rgba(0,0,0,0.02);
+}
 </style>
\ No newline at end of file