优化Panel组件样式计算：简化值获取逻辑、增强边框可见性、添加flex布局

AutoRobot/Windows/Robot/Web/src/DockLayout/Panel.js

@@ -43,12 +43,13 @@ export default defineComponent({
 
     // 计算面板样式
     const panelStyle = computed(() => {
-      // 确保从props.panel获取最新值，而不仅仅依赖内部ref
-      const posX = props.panel.x !== undefined ? props.panel.x : panelPosition.value.x;
-      const posY = props.panel.y !== undefined ? props.panel.y : panelPosition.value.y;
-      const width = props.panel.width !== undefined ? props.panel.width : panelSize.value.width;
-      const height = props.panel.height !== undefined ? props.panel.height : panelSize.value.height;
+      // 直接使用props.panel中的值，确保与父组件状态同步
+      const posX = props.panel.x || 100;
+      const posY = props.panel.y || 100;
+      const width = props.panel.width || 300;
+      const height = props.panel.height || 180;
       
+      // 始终创建新对象，避免Vue响应式系统无法检测变化
       const style = {
         position: 'absolute',
         top: `${posY}px`,
@@ -56,11 +57,13 @@ export default defineComponent({
         width: `${width}px`,
         height: `${height}px`,
         backgroundColor: 'white',
-        border: '1px solid #e5e7eb',
+        border: '1px solid #435d9c', // 更深的边框颜色以增强可见性
         borderRadius: '4px',
-        boxShadow: '0 4px 6px -1px rgba(0, 0, 0, 0.1)',
+        boxShadow: '0 4px 6px -1px rgba(0, 0, 0, 0.15)',
         overflow: 'hidden',
-        zIndex: 10
+        zIndex: 10,
+        display: 'flex',
+        flexDirection: 'column'
       };
 
       // 最大化状态
@@ -75,11 +78,6 @@ export default defineComponent({
           style.left = '0px';
           style.width = `${rect.width - 2}px`;
           style.height = `${rect.height - 2}px`;
-        } else {
-          style.top = '0px';
-          style.left = '0px';
-          style.width = '800px';
-          style.height = '600px';
         }
       }