style(MessageRecord): 调整消息记录样式，优化图片边框和悬停效果

移除卡片悬停动画效果，调整图片尺寸并添加边框

Cunkebao/src/pages/pc/ckbox/components/ChatWindow/components/MessageRecord/MessageRecord.module.scss

@@ -293,7 +293,7 @@
         height: 100%;
         object-fit: cover;
         transition: transform 0.3s ease;
-
+        border: 0.5px solid #e1e8ed;
         &:hover {
           transform: scale(1.05);
         }
@@ -367,11 +367,6 @@
     padding: 16px;
     min-height: auto;
     max-width: 320px;
-
-    &:hover {
-      transform: translateY(-2px);
-      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
-    }
   }
 
   .articleTitle {
@@ -411,8 +406,8 @@
 
   .articleImageArea {
     flex-shrink: 0;
-    width: 80px;
-    height: 80px;
+    width: 60px;
+    height: 60px;
     overflow: hidden;
     border-radius: 8px;
     background: #f8f9fa;
@@ -423,10 +418,6 @@
     height: 100%;
     object-fit: cover;
     transition: transform 0.3s ease;
-
-    &:hover {
-      transform: scale(1.05);
-    }
   }
 }