修复chat/index页面横向滚动问题

pages/chat/index.wxml

@@ -21,6 +21,7 @@
     <!-- 聊天列表 -->
     <scroll-view 
       scroll-y="true" 
+      scroll-x="false" 
       class="chat-scroll-view"
       refresher-enabled="{{true}}"
       refresher-triggered="{{isRefreshing}}"

pages/chat/index.wxss

@@ -35,6 +35,13 @@
 .chat-scroll-view {
   flex: 1;
   overflow-y: auto;
+  overflow-x: hidden;
+  width: 100%;
+}
+
+/* 确保容器不产生横向滚动 */
+.chat-container {
+  overflow-x: hidden;
 }
 
 /* 聊天项 */
@@ -45,6 +52,8 @@
   background-color: #fff;
   border-bottom: 1rpx solid #f0f0f0;
   transition: background-color 0.2s;
+  box-sizing: border-box;
+  overflow: hidden;
 }
 
 .chat-item:active {