修改好友动态、发布动态、促销模块、创建帖子,Resolve review.

Change-Id: I84a2460dd1208bc703b0527d98225204d03e5efc
diff --git a/src/pages/AuthPage/AuthPage.css b/src/pages/AuthPage/AuthPage.css
index 5073ce3..cb9e470 100644
--- a/src/pages/AuthPage/AuthPage.css
+++ b/src/pages/AuthPage/AuthPage.css
@@ -4,7 +4,7 @@
   justify-content: flex-end; /* 使卡片靠右 */
   min-height: 100vh;
   font-family: Arial, sans-serif;
-  background-color: #5F4437; /* 设置背景颜色 */
+  background: linear-gradient(180deg, #5F4437, #823c3c);
   padding: 0 2rem; /* 添加左右内边距 */
 }