更新首页样式和图片

pages/index/index.wxml

@@ -162,7 +162,7 @@
               <view class="ad-card ad-full-card">
                 <image 
                   class="ad-image" 
-                  src="/images/轮播图1.jpg" 
+                  src="/images/1.png" 
                   mode="aspectFill"
                   bindtap="onAdClick"
                   data-ad="ad_slot_1"
@@ -224,7 +224,7 @@
               <view class="ad-card ad-half-image">
                 <image 
                   class="ad-image-half" 
-                  src="/images/轮播图1.jpg" 
+                  src="/images/2.png" 
                   mode="aspectFill"
                   bindtap="onAdClick"
                   data-ad="ad_slot_2"

pages/index/index.wxss

@@ -1559,14 +1559,13 @@ wx-button:not([size=mini]) {
   position: fixed;
   right: 24rpx;
   bottom: 180rpx;
-  width: 96rpx;
-  height: 96rpx;
+  width: 60rpx;
+  height: 60rpx;
   background: rgba(255, 255, 255, 0.25);
   backdrop-filter: blur(16rpx);
   -webkit-backdrop-filter: blur(16rpx);
   border-radius: 50%;
   display: flex;
-  flex-direction: column;
   justify-content: center;
   align-items: center;
   box-shadow: 0 6rpx 20rpx rgba(0, 0, 0, 0.15);