diff --git a/src/views/foundation/new-product-survey.vue b/src/views/foundation/new-product-survey.vue
index 228bcc5..6eb8e8b 100644
--- a/src/views/foundation/new-product-survey.vue
+++ b/src/views/foundation/new-product-survey.vue
@@ -1966,20 +1966,11 @@ function exportOutcome() {
 .field-block.layer-extended { --bar: var(--student-layer-3); }
 
 /* ============================================================
- * 操作工具栏横条：独立白卡 + 吸顶 + 按钮组右对齐
- * 放在 task-header 下方，不影响标题区的简介展示
+ * 操作工具栏横条：内联布局，去掉悬浮和边框
  * ============================================================ */
 .task-action-strip {
-  position: sticky;
-  top: 12px;
-  z-index: 10;
   margin: 0;
   padding: 10px 16px;
-  border: 1px solid var(--student-panel-border);
-  border-radius: 12px;
-  background: var(--student-card-bg);
-  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.08);
-  transition: box-shadow 0.2s ease;
 
   // 让 TrainingTaskToolbar 内部按钮在横条内右对齐
   :deep(.training-task-toolbar) {
@@ -2001,11 +1992,6 @@ function exportOutcome() {
 }
 
 @media (max-width: 900px) {
-  .task-action-strip {
-    position: static; // 窄屏不再吸顶，避免遮挡内容
-    top: auto;
-  }
-
   .step-navigation {
     flex-direction: column;
     align-items: stretch;
diff --git a/src/views/foundation/product-development-factors.vue b/src/views/foundation/product-development-factors.vue
index 3b05592..88f156c 100644
--- a/src/views/foundation/product-development-factors.vue
+++ b/src/views/foundation/product-development-factors.vue
@@ -647,19 +647,11 @@ function exportOutcome() {
 }
 
 /* ============================================================
- * 操作工具栏横条：独立白卡 + 吸顶 + 按钮组右对齐
+ * 操作工具栏横条：内联布局，去掉悬浮和边框
  * ============================================================ */
 .task-action-strip {
-  position: sticky;
-  top: 12px;
-  z-index: 10;
   margin: 0;
   padding: 10px 16px;
-  border: 1px solid var(--student-panel-border);
-  border-radius: 12px;
-  background: var(--student-card-bg);
-  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.08);
-  transition: box-shadow 0.2s ease;
 
   :deep(.training-task-toolbar) {
     display: flex;
diff --git a/src/views/foundation/product-development-process.vue b/src/views/foundation/product-development-process.vue
index b888b2f..0b8b214 100644
--- a/src/views/foundation/product-development-process.vue
+++ b/src/views/foundation/product-development-process.vue
@@ -782,19 +782,11 @@ function exportOutcome() {
 }
 
 /* ============================================================
- * 操作工具栏横条：独立白卡 + 吸顶 + 按钮组右对齐
+ * 操作工具栏横条：内联布局，去掉悬浮和边框
  * ============================================================ */
 .task-action-strip {
-  position: sticky;
-  top: 12px;
-  z-index: 10;
   margin: 0;
   padding: 10px 16px;
-  border: 1px solid var(--student-panel-border);
-  border-radius: 12px;
-  background: var(--student-card-bg);
-  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.08);
-  transition: box-shadow 0.2s ease;
 
   :deep(.training-task-toolbar) {
     display: flex;