fix: 前端ui重构完成

frontend_nuxt/components/HeaderComponent.vue

@@ -47,9 +47,9 @@
             </div>
           </ToolTip>
 
-          <ToolTip v-if="isLogin" content="站内信" placement="bottom">
+          <ToolTip v-if="isLogin" content="站内信和频道" placement="bottom">
             <div class="messages-icon" @click="goToMessages">
-              <i class="fas fa-envelope"></i>
+              <i class="fas fa-comments"></i>
               <span v-if="unreadMessageCount > 0" class="unread-badge">{{
                 unreadMessageCount
               }}</span>

frontend_nuxt/components/MessageEditor.vue

@@ -147,7 +147,6 @@ export default {
 .message-editor-container {
   border: 1px solid var(--border-color);
   border-radius: 8px;
-  margin-top: 20px;
 }
 
 .message-bottom-container {
@@ -180,4 +179,4 @@ export default {
 .message-submit:not(.disabled):hover {
   background-color: var(--primary-color-hover);
 }
-</style>
+</style>