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/UserCenter/UserNav/UserNav.css b/src/pages/UserCenter/UserNav/UserNav.css
index 0c7ed6f..6a1b405 100644
--- a/src/pages/UserCenter/UserNav/UserNav.css
+++ b/src/pages/UserCenter/UserNav/UserNav.css
@@ -3,7 +3,6 @@
   margin-right: -5%;
   margin-left: 5%;
   width: 150px; /* 增加容器宽度 */
-  background-color: #5F4437;
   padding-top: 20px;
   height: 100%; /* 让容器填充整个父容器高度 */
   display: flex;
diff --git a/src/pages/UserCenter/UserProfile.css b/src/pages/UserCenter/UserProfile.css
index 988c1c8..bcb1a2d 100644
--- a/src/pages/UserCenter/UserProfile.css
+++ b/src/pages/UserCenter/UserProfile.css
@@ -4,7 +4,7 @@
   font-family: Arial, sans-serif;
   display: flex;
   gap: 10%;
-  background-color: #5F4437;
+  background: linear-gradient(180deg, #5F4437, #823c3c);
 }