ui: 战略地图泳道重新设计 — 圆角阴影卡片+浅灰内容区

frontend/src/components/strategy-map/StrategyLayer.vue

@@ -148,31 +148,37 @@ export default {
 
 <style scoped>
 .strategy-layer {
-  border: 2px solid #e8e8e8;
-  border-radius: 10px;
+  border: none;
+  border-radius: 12px;
   display: flex;
   flex-direction: column;
-  background: #fafafa;
+  background: #fff;
   min-height: 120px;
-  transition: border-color 0.2s;
-  overflow: hidden;
   width: 100%;
+  box-shadow: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
+  transition: box-shadow 0.2s;
+  overflow: hidden;
+}
+.strategy-layer:hover {
+  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
 }
 
 .layer-header {
-  padding: 10px 14px;
+  padding: 12px 16px;
   color: #fff;
   display: flex;
   align-items: center;
-  gap: 8px;
+  gap: 10px;
   font-size: 14px;
   font-weight: 600;
   flex-shrink: 0;
   user-select: none;
+  letter-spacing: 0.3px;
 }
 
 .layer-icon {
   font-size: 18px;
+  line-height: 1;
 }
 
 .layer-name {
@@ -181,8 +187,11 @@ export default {
 
 .layer-objective-count {
   font-size: 11px;
-  opacity: 0.8;
+  opacity: 0.85;
   font-weight: 400;
+  background: rgba(255,255,255,0.2);
+  padding: 2px 10px;
+  border-radius: 10px;
 }
 
 .layer-more-btn {
@@ -194,12 +203,13 @@ export default {
 }
 
 .layer-body {
-  padding: 10px 14px;
+  padding: 12px 14px;
   flex: 1;
   display: flex;
   flex-direction: column;
-  gap: 4px;
+  gap: 6px;
   overflow-y: auto;
+  background: #f8f9fb;
 }
 
 /* vuedraggable 容器 */
@@ -229,6 +239,6 @@ export default {
 .layer-add-btn {
   width: 100% !important;
   flex-shrink: 0;
-  margin-top: 4px;
+  margin-top: 6px;
 }
 </style>