优化顶部栏样式与视觉效果

src/layout/components/Topbar/index.vue

@@ -114,23 +114,47 @@ export default defineComponent({
 </script>
 <style lang="scss" scoped>
 .header {
+  position: relative;
   height: 48px;
-  border-bottom: 1px solid #e0e4ef;
+  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
   display: flex;
   justify-content: space-between;
+  background: transparent;
+  
+  // 玻璃态高光效果
+  &::after {
+    content: '';
+    position: absolute;
+    bottom: 0;
+    left: 0;
+    right: 0;
+    height: 1px;
+    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.5), transparent);
+    pointer-events: none;
+  }
+  
   &.no-border {
     border: none;
+    &::after {
+      display: none;
+    }
   }
+  
   .navigation {
     display: flex;
     align-items: center;
     overflow: hidden;
+    padding: 0 16px;
   }
+  
   .action {
     display: flex;
     align-items: center;
+    padding: 0 16px;
+    gap: 8px;
   }
 }
+
 .mobile {
   padding-right: 0;
   ::v-deep(.logo) {
@@ -141,10 +165,12 @@ export default defineComponent({
     display: none;
   }
 }
+
 .show-title {
   ::v-deep(.title) {
     display: block;
-    color: #333;
+    color: hsl(var(--foreground));
+    font-weight: 600;
   }
 }
 </style>