优化

src/core/desktop/ui/css/desktop.scss

@@ -0,0 +1,31 @@
+*,
+*::before,
+*::after {
+  box-sizing: border-box; /* 使用更直观的盒模型 */
+  margin: 0;
+  padding: 0;
+}
+
+$taskBarHeight: 40px;
+
+.desktop-root {
+  @apply w-full h-full flex flex-col;
+
+  .desktop-container {
+    @apply w-full h-full flex-1 p-2 pos-relative;
+    background-image: url("../imgs/desktop-bg-2.jpeg");
+    background-repeat: no-repeat;
+    background-size: cover;
+    height: calc(100% - #{$taskBarHeight});
+  }
+
+  .desktop-icons-container {
+    @apply w-full h-full flex-1 grid grid-auto-flow-col pos-relative;
+  }
+
+  .task-bar {
+    @apply w-full bg-gray-200 flex justify-center items-center;
+    height: $taskBarHeight;
+    flex-shrink: 0;
+  }
+}