修复问题

css/index.css

@@ -221,6 +221,19 @@
   #index .nav-header {
     height: 56px;
     padding: 0 16px;
+    display: flex !important;
+    align-items: center !important;
+    /* Force vertical centering */
+    justify-content: space-between;
+  }
+
+  /* Ensure Right Container handles children alignment */
+  #index .nav-right {
+    display: flex;
+    align-items: center;
+    height: 100%;
+    /* Fill header height */
+    margin: 0;
   }
 
   /* 隐藏桌面端导航菜单 */
@@ -233,9 +246,12 @@
     display: none !important;
   }
 
-  /* Logo 缩小 */
+  /* Logo 缩小 - 但比之前稍微大一点 */
   #index .nav-icon img {
-    max-height: 32px;
+    max-height: 48px;
+    /* Increased from 32px to 48px */
+    width: auto;
+    object-fit: contain;
   }
 
   /* 调整移动端注册按钮样式 - 长方形无圆角，撑满导航栏高度 */
@@ -245,8 +261,16 @@
     min-width: auto !important;
     border-radius: 0 !important;
     border-left: none !important;
-    height: 56px !important;
+    height: 100% !important;
+    /* Ensure it fills parent height */
+    max-height: 56px;
+    /* Match header height */
     margin-right: -16px !important;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    margin-top: 0 !important;
+    /* Remove any potential vertical margin */
   }
 
   /* 移动端注册按钮图标隐藏 */
@@ -265,6 +289,9 @@
     display: flex !important;
     background: transparent !important;
     border: none !important;
+    align-self: center;
+    /* Ensure it centers itself */
+    margin-top: 0;
   }
 }