style: 移动端流转树视觉降噪与分支箭头方向修复

- 已完成卡片降透明度/浅灰底/深灰字;进行中卡片纯白+蓝色边框+外发光
- 分支箭头改为从主干道指向分支(左翼←右翼→),橙色虚线

track-uniapp/src/pages/scan/components/FlowCard.vue

@@ -1,5 +1,5 @@
 <template>
-  <view class="fc-card" :class="statusColorClass(node.status)">
+  <view class="fc-card" :class="[statusColorClass(node.status), { 'is-completed': isCompleted, 'is-active': isActive }]">
     <view class="fc-head">
       <!-- 主线/分支 标签(仅中央主线显示) -->
       <text v-if="showBadge" class="fc-badge" :class="isMainNode ? 'fc-badge-main' : 'fc-badge-sub'">{{ isMainNode ? '主线' : '分支' }}</text>
@@ -41,6 +41,14 @@ export default {
       const name = String(this.node.task_name || "");
       return (name.includes("在库") || name.includes("入库")) || this.node.assignee_id === "virtual_warehouse";
     },
+    // 进行中/待接收：WIP / PENDING / IN_PROGRESS(待收货)
+    isActive() {
+      return ["WIP", "PENDING", "IN_PROGRESS"].includes(this.node.status);
+    },
+    // 已完成 / 历史状态：非进行中
+    isCompleted() {
+      return !this.isActive;
+    },
   },
   methods: {
     formatUserName(userId) {
@@ -92,6 +100,23 @@ export default {
 .fc-card.s-orange { border-left-color: #f97316; }
 .fc-card.s-gray { border-left-color: #9ca3af; }
 
+/* 已完成/历史状态：降透明度 + 浅灰底 + 深灰文字（视觉降噪） */
+.fc-card.is-completed {
+  opacity: 0.85;
+  background-color: #fafafa;
+}
+.fc-card.is-completed .fc-name,
+.fc-card.is-completed .fc-assignee,
+.fc-card.is-completed .fc-warehouse-in {
+  color: #6b7280;
+}
+/* 进行中/待接收：纯白底 + 完整蓝色边框 + 外发光，浮起来 */
+.fc-card.is-active {
+  background-color: #ffffff;
+  border: 1px solid #93c5fd;
+  box-shadow: 0 4px 16px rgba(59, 130, 246, 0.12);
+}
+
 .fc-head { display: flex; align-items: center; gap: 4px; margin-bottom: 4px; flex-wrap: wrap; }
 .fc-badge { font-size: 10px; font-weight: 700; padding: 1px 6px; border-radius: 4px; color: #fff; }
 .fc-badge-main { background: #2563eb; }