diff --git a/src/views/assessment/diagnosis.vue b/src/views/assessment/diagnosis.vue
index 3fc0745..311092e 100644
--- a/src/views/assessment/diagnosis.vue
+++ b/src/views/assessment/diagnosis.vue
@@ -1213,8 +1213,7 @@ button.is-disabled {
 /* ===== 顶部任务工具栏换肤 ===== */
 .diagnosis-page .training-task-toolbar { gap: 8px; }
 
-.diagnosis-page .task-toolbar-button.el-button,
-.diagnosis-page .material-button.el-button {
+.diagnosis-page .task-toolbar-button.el-button {
   display: inline-flex;
   align-items: center;
   justify-content: center;
diff --git a/src/views/assessment/optimization.vue b/src/views/assessment/optimization.vue
index f4dcaac..7f2ff9f 100644
--- a/src/views/assessment/optimization.vue
+++ b/src/views/assessment/optimization.vue
@@ -1216,42 +1216,4 @@ button:disabled {
   }
 }
 
-/* ===== 顶部工具栏 el-button 换肤 ===== */
-.optimization-page .material-button.el-button {
-  display: inline-flex;
-  align-items: center;
-  justify-content: center;
-  gap: 6px;
-  min-height: 36px;
-  height: 36px;
-  padding: 0 14px;
-  border: 1px solid #d1d5db;
-  border-radius: 8px;
-  color: #374151;
-  background: #ffffff;
-  box-shadow: none;
-  text-shadow: none;
-  font-size: 13px;
-  font-weight: 600;
-  transition: border-color 0.16s ease, background 0.16s ease, color 0.16s ease, box-shadow 0.16s ease;
-}
-
-.optimization-page .material-button.el-button .el-icon {
-  font-size: 14px;
-  color: inherit;
-}
-
-.optimization-page .material-button.el-button:hover,
-.optimization-page .material-button.el-button:focus {
-  border-color: #1f2937;
-  color: #1f2937;
-  background: #f9fafb;
-  box-shadow: 0 2px 6px rgba(17, 24, 39, 0.1);
-}
-
-.optimization-page .material-button.el-button.is-loading {
-  border-color: #d1d5db;
-  color: #374151;
-  background: #ffffff;
-}
 </style>
diff --git a/src/views/channel/index.vue b/src/views/channel/index.vue
index 02f804f..574d1b8 100644
--- a/src/views/channel/index.vue
+++ b/src/views/channel/index.vue
@@ -921,13 +921,13 @@ onMounted(async () => {
     box-shadow: 0 0 0 3px rgba(31, 41, 55, 0.08) !important;
   }
 
-  :deep(.el-button) {
+  :deep(.el-button:not(.material-button)) {
     border-color: var(--student-accent) !important;
     color: #ffffff !important;
     background: var(--student-accent) !important;
   }
 
-  :deep(.el-button:hover) {
+  :deep(.el-button:not(.material-button):hover) {
     border-color: var(--student-accent-light) !important;
     color: #ffffff !important;
     background: var(--student-accent-light) !important;
diff --git a/src/views/channel/supplier.vue b/src/views/channel/supplier.vue
index a2be457..b863469 100644
--- a/src/views/channel/supplier.vue
+++ b/src/views/channel/supplier.vue
@@ -1079,37 +1079,4 @@ onMounted(async () => {
     max-width: none !important;
   }
 }
-
-/* ===== 顶部工具栏 el-button 换肤 ===== */
-.supplier-page .material-button.el-button {
-  display: inline-flex;
-  align-items: center;
-  justify-content: center;
-  gap: 6px;
-  min-height: 36px;
-  height: 36px;
-  padding: 0 14px;
-  border: 1px solid #d1d5db;
-  border-radius: 8px;
-  color: #374151;
-  background: #ffffff;
-  box-shadow: none;
-  text-shadow: none;
-  font-size: 13px;
-  font-weight: 600;
-  transition: border-color 0.16s ease, background 0.16s ease, color 0.16s ease, box-shadow 0.16s ease;
-}
-
-.supplier-page .material-button.el-button .el-icon {
-  font-size: 14px;
-  color: inherit;
-}
-
-.supplier-page .material-button.el-button:hover,
-.supplier-page .material-button.el-button:focus {
-  border-color: #1f2937;
-  color: #1f2937;
-  background: #f9fafb;
-  box-shadow: 0 2px 6px rgba(17, 24, 39, 0.1);
-}
 </style>
diff --git a/src/views/demand/competitive-environment-analysis.vue b/src/views/demand/competitive-environment-analysis.vue
index d5a97ce..b27e53f 100644
--- a/src/views/demand/competitive-environment-analysis.vue
+++ b/src/views/demand/competitive-environment-analysis.vue
@@ -788,8 +788,7 @@ function exportOutcome() { const blob = new Blob([JSON.stringify(buildDraft(), n
 /* ===== 顶部任务工具栏换肤 ===== */
 .competitive-analysis-page .training-task-toolbar { gap: 8px; }
 
-.competitive-analysis-page .task-toolbar-button.el-button,
-.competitive-analysis-page .material-button.el-button {
+.competitive-analysis-page .task-toolbar-button.el-button {
   display: inline-flex;
   align-items: center;
   justify-content: center;
@@ -808,16 +807,13 @@ function exportOutcome() { const blob = new Blob([JSON.stringify(buildDraft(), n
   transition: border-color 0.16s ease, background 0.16s ease, color 0.16s ease, box-shadow 0.16s ease;
 }
 
-.competitive-analysis-page .task-toolbar-button.el-button .el-icon,
-.competitive-analysis-page .material-button.el-button .el-icon {
+.competitive-analysis-page .task-toolbar-button.el-button .el-icon {
   font-size: 14px;
   color: inherit;
 }
 
 .competitive-analysis-page .task-toolbar-button.el-button:hover,
-.competitive-analysis-page .task-toolbar-button.el-button:focus,
-.competitive-analysis-page .material-button.el-button:hover,
-.competitive-analysis-page .material-button.el-button:focus {
+.competitive-analysis-page .task-toolbar-button.el-button:focus {
   border-color: #1f2937;
   color: #1f2937;
   background: #f9fafb;
diff --git a/src/views/demand/consumer-scenario.vue b/src/views/demand/consumer-scenario.vue
index d7f7f42..dec6996 100644
--- a/src/views/demand/consumer-scenario.vue
+++ b/src/views/demand/consumer-scenario.vue
@@ -1799,8 +1799,7 @@ function exportOutcome() {
 }
 
 /* ===== 顶部任务工具栏换肤 ===== */
-.consumer-scenario-page .task-toolbar-button.el-button,
-.consumer-scenario-page .material-button.el-button {
+.consumer-scenario-page .task-toolbar-button.el-button {
   display: inline-flex;
   align-items: center;
   justify-content: center;
@@ -1819,16 +1818,13 @@ function exportOutcome() {
   transition: border-color 0.16s ease, background 0.16s ease, color 0.16s ease, box-shadow 0.16s ease;
 }
 
-.consumer-scenario-page .task-toolbar-button.el-button .el-icon,
-.consumer-scenario-page .material-button.el-button .el-icon {
+.consumer-scenario-page .task-toolbar-button.el-button .el-icon {
   font-size: 14px;
   color: inherit;
 }
 
 .consumer-scenario-page .task-toolbar-button.el-button:hover,
-.consumer-scenario-page .task-toolbar-button.el-button:focus,
-.consumer-scenario-page .material-button.el-button:hover,
-.consumer-scenario-page .material-button.el-button:focus {
+.consumer-scenario-page .task-toolbar-button.el-button:focus {
   border-color: #1f2937;
   color: #1f2937;
   background: #f9fafb;
diff --git a/src/views/demand/feature-conversion.vue b/src/views/demand/feature-conversion.vue
index f32c014..8f54bd0 100644
--- a/src/views/demand/feature-conversion.vue
+++ b/src/views/demand/feature-conversion.vue
@@ -1505,8 +1505,7 @@ function exportOutcome() {
 }
 
 /* ===== 顶部任务工具栏换肤 ===== */
-.feature-conversion-page .task-toolbar-button.el-button,
-.feature-conversion-page .material-button.el-button {
+.feature-conversion-page .task-toolbar-button.el-button {
   display: inline-flex;
   align-items: center;
   justify-content: center;
@@ -1525,16 +1524,13 @@ function exportOutcome() {
   transition: border-color 0.16s ease, background 0.16s ease, color 0.16s ease, box-shadow 0.16s ease;
 }
 
-.feature-conversion-page .task-toolbar-button.el-button .el-icon,
-.feature-conversion-page .material-button.el-button .el-icon {
+.feature-conversion-page .task-toolbar-button.el-button .el-icon {
   font-size: 14px;
   color: inherit;
 }
 
 .feature-conversion-page .task-toolbar-button.el-button:hover,
-.feature-conversion-page .task-toolbar-button.el-button:focus,
-.feature-conversion-page .material-button.el-button:hover,
-.feature-conversion-page .material-button.el-button:focus {
+.feature-conversion-page .task-toolbar-button.el-button:focus {
   border-color: #1f2937;
   color: #1f2937;
   background: #f9fafb;
diff --git a/src/views/demand/industry-demand-analysis.vue b/src/views/demand/industry-demand-analysis.vue
index 032cd49..8b7df43 100644
--- a/src/views/demand/industry-demand-analysis.vue
+++ b/src/views/demand/industry-demand-analysis.vue
@@ -799,8 +799,7 @@ function exportOutcome() { const blob = new Blob([JSON.stringify(buildDraft(), n
 /* ===== 顶部任务工具栏换肤 ===== */
 .industry-pest-page .training-task-toolbar { gap: 8px; }
 
-.industry-pest-page .task-toolbar-button.el-button,
-.industry-pest-page .material-button.el-button {
+.industry-pest-page .task-toolbar-button.el-button {
   display: inline-flex;
   align-items: center;
   justify-content: center;
@@ -819,16 +818,13 @@ function exportOutcome() { const blob = new Blob([JSON.stringify(buildDraft(), n
   transition: border-color 0.16s ease, background 0.16s ease, color 0.16s ease, box-shadow 0.16s ease;
 }
 
-.industry-pest-page .task-toolbar-button.el-button .el-icon,
-.industry-pest-page .material-button.el-button .el-icon {
+.industry-pest-page .task-toolbar-button.el-button .el-icon {
   font-size: 14px;
   color: inherit;
 }
 
 .industry-pest-page .task-toolbar-button.el-button:hover,
-.industry-pest-page .task-toolbar-button.el-button:focus,
-.industry-pest-page .material-button.el-button:hover,
-.industry-pest-page .material-button.el-button:focus {
+.industry-pest-page .task-toolbar-button.el-button:focus {
   border-color: #1f2937;
   color: #1f2937;
   background: #f9fafb;
diff --git a/src/views/foundation/new-product-survey.vue b/src/views/foundation/new-product-survey.vue
index f075662..ab5da91 100644
--- a/src/views/foundation/new-product-survey.vue
+++ b/src/views/foundation/new-product-survey.vue
@@ -2100,8 +2100,7 @@ function exportOutcome() {
 }
 
 /* 次按钮基类：白底 + 中性灰描边 + 深灰字 */
-.new-product-value-page .task-toolbar-button.el-button,
-.new-product-value-page .material-button.el-button {
+.new-product-value-page .task-toolbar-button.el-button {
   display: inline-flex;
   align-items: center;
   justify-content: center;
@@ -2120,16 +2119,13 @@ function exportOutcome() {
   transition: border-color 0.16s ease, background 0.16s ease, color 0.16s ease, box-shadow 0.16s ease;
 }
 
-.new-product-value-page .task-toolbar-button.el-button .el-icon,
-.new-product-value-page .material-button.el-button .el-icon {
+.new-product-value-page .task-toolbar-button.el-button .el-icon {
   font-size: 14px;
   color: inherit;
 }
 
 .new-product-value-page .task-toolbar-button.el-button:hover,
-.new-product-value-page .task-toolbar-button.el-button:focus,
-.new-product-value-page .material-button.el-button:hover,
-.new-product-value-page .material-button.el-button:focus {
+.new-product-value-page .task-toolbar-button.el-button:focus {
   border-color: #1f2937;
   color: #1f2937;
   background: #f9fafb;
@@ -2158,16 +2154,4 @@ function exportOutcome() {
   color: #374151;
   background: #ffffff;
 }
-
-/* 无案例资料时的 plain 禁用提示态：浅灰底虚线感弱化 */
-.new-product-value-page .material-button.el-button.is-plain {
-  color: #9ca3af;
-  background: #ffffff;
-}
-
-.new-product-value-page .material-button.el-button.is-plain:hover {
-  border-color: #d1d5db;
-  color: #6b7280;
-  background: #f9fafb;
-}
 </style>
diff --git a/src/views/foundation/product-development-factors.vue b/src/views/foundation/product-development-factors.vue
index 8b3d020..b39e781 100644
--- a/src/views/foundation/product-development-factors.vue
+++ b/src/views/foundation/product-development-factors.vue
@@ -1070,56 +1070,6 @@ function exportOutcome() {
  * 这里用 id 锚点（特异性含 #app）+ !important 稳定覆盖。
  * ============================================================ */
 
-/* --- 顶部工具栏：36px 白底灰描边小按钮（位置 B） --- */
-#app .studentLayout section.app-main:has(.product-factors) .workbench-actions .material-button.el-button {
-  display: inline-flex !important;
-  align-items: center !important;
-  justify-content: center !important;
-  gap: 6px !important;
-  width: auto !important;
-  height: 36px !important;
-  min-height: 36px !important;
-  max-height: none !important;
-  padding: 0 14px !important;
-  border: 1px solid #d1d5db !important;
-  border-radius: 8px !important;
-  color: #374151 !important;
-  background: #ffffff !important;
-  box-shadow: none !important;
-  text-shadow: none !important;
-  font-size: 13px !important;
-  font-weight: 600 !important;
-  line-height: 1 !important;
-  transition: border-color 0.16s ease, background 0.16s ease, color 0.16s ease, box-shadow 0.16s ease !important;
-}
-
-#app .studentLayout section.app-main:has(.product-factors) .workbench-actions .material-button.el-button .el-icon {
-  color: inherit !important;
-  font-size: 14px !important;
-}
-
-#app .studentLayout section.app-main:has(.product-factors) .workbench-actions .material-button.el-button:hover,
-#app .studentLayout section.app-main:has(.product-factors) .workbench-actions .material-button.el-button:focus {
-  border-color: #1f2937 !important;
-  color: #1f2937 !important;
-  background: #f9fafb !important;
-  box-shadow: 0 2px 6px rgba(17, 24, 39, 0.1) !important;
-}
-
-/* 无案例资料时的 plain 态 */
-#app .studentLayout section.app-main:has(.product-factors) .workbench-actions .material-button.el-button.is-plain {
-  border-color: #e5e7eb !important;
-  color: #9ca3af !important;
-  background: #ffffff !important;
-}
-
-#app .studentLayout section.app-main:has(.product-factors) .workbench-actions .material-button.el-button.is-plain:hover {
-  border-color: #d1d5db !important;
-  color: #6b7280 !important;
-  background: #f9fafb !important;
-  box-shadow: none !important;
-}
-
 /* 顶部"导出实训成果"原生按钮：全局 L592 锁为 34px 浅蓝胶囊 */
 #app .studentLayout section.app-main:has(.product-factors) .workbench-actions > button.outline-action {
   display: inline-flex !important;
@@ -1228,7 +1178,6 @@ function exportOutcome() {
     width: 100% !important;
   }
 
-  #app .studentLayout section.app-main:has(.product-factors) .workbench-actions .material-button.el-button,
   #app .studentLayout section.app-main:has(.product-factors) .workbench-actions > button.outline-action,
   #app .studentLayout section.app-main:has(.product-factors) .task-actions > button {
     width: 100% !important;
diff --git a/src/views/foundation/product-development-process.vue b/src/views/foundation/product-development-process.vue
index e74cee9..b448268 100644
--- a/src/views/foundation/product-development-process.vue
+++ b/src/views/foundation/product-development-process.vue
@@ -1495,56 +1495,6 @@ tr.is-incorrect .classification-feedback {
  * 这里用 id 锚点（特异性含 #app）+ !important 稳定覆盖。
  * ============================================================ */
 
-/* --- 顶部工具栏：36px 白底灰描边小按钮（位置 B） --- */
-#app .studentLayout section.app-main:has(.product-process) .workbench-actions .material-button.el-button {
-  display: inline-flex !important;
-  align-items: center !important;
-  justify-content: center !important;
-  gap: 6px !important;
-  width: auto !important;
-  height: 36px !important;
-  min-height: 36px !important;
-  max-height: none !important;
-  padding: 0 14px !important;
-  border: 1px solid #d1d5db !important;
-  border-radius: 8px !important;
-  color: #374151 !important;
-  background: #ffffff !important;
-  box-shadow: none !important;
-  text-shadow: none !important;
-  font-size: 13px !important;
-  font-weight: 600 !important;
-  line-height: 1 !important;
-  transition: border-color 0.16s ease, background 0.16s ease, color 0.16s ease, box-shadow 0.16s ease !important;
-}
-
-#app .studentLayout section.app-main:has(.product-process) .workbench-actions .material-button.el-button .el-icon {
-  color: inherit !important;
-  font-size: 14px !important;
-}
-
-#app .studentLayout section.app-main:has(.product-process) .workbench-actions .material-button.el-button:hover,
-#app .studentLayout section.app-main:has(.product-process) .workbench-actions .material-button.el-button:focus {
-  border-color: #1f2937 !important;
-  color: #1f2937 !important;
-  background: #f9fafb !important;
-  box-shadow: 0 2px 6px rgba(17, 24, 39, 0.1) !important;
-}
-
-/* 无案例资料时的 plain 态 */
-#app .studentLayout section.app-main:has(.product-process) .workbench-actions .material-button.el-button.is-plain {
-  border-color: #e5e7eb !important;
-  color: #9ca3af !important;
-  background: #ffffff !important;
-}
-
-#app .studentLayout section.app-main:has(.product-process) .workbench-actions .material-button.el-button.is-plain:hover {
-  border-color: #d1d5db !important;
-  color: #6b7280 !important;
-  background: #f9fafb !important;
-  box-shadow: none !important;
-}
-
 /* 顶部"导出实训成果"原生按钮：全局 L592 锁为 34px 浅蓝胶囊 */
 #app .studentLayout section.app-main:has(.product-process) .workbench-actions > button.outline-action {
   display: inline-flex !important;
@@ -1687,7 +1637,6 @@ tr.is-incorrect .classification-feedback {
     width: 100% !important;
   }
 
-  #app .studentLayout section.app-main:has(.product-process) .workbench-actions .material-button.el-button,
   #app .studentLayout section.app-main:has(.product-process) .workbench-actions > button.outline-action,
   #app .studentLayout section.app-main:has(.product-process) .step-title-actions button.outline-action,
   #app .studentLayout section.app-main:has(.product-process) .task-actions > button {
diff --git a/src/views/product/after-sales-service.vue b/src/views/product/after-sales-service.vue
index 61ca2db..91a1b95 100644
--- a/src/views/product/after-sales-service.vue
+++ b/src/views/product/after-sales-service.vue
@@ -1289,42 +1289,4 @@ button:disabled {
 /* ===== 顶部工具栏 el-button 换肤 ===== */
 .after-sales-page .training-task-toolbar,
 .after-sales-page .after-sales-toolbar { gap: 8px; }
-
-.after-sales-page .material-button.el-button {
-  display: inline-flex;
-  align-items: center;
-  justify-content: center;
-  gap: 6px;
-  min-height: 36px;
-  height: 36px;
-  padding: 0 14px;
-  border: 1px solid #d1d5db;
-  border-radius: 8px;
-  color: #374151;
-  background: #ffffff;
-  box-shadow: none;
-  text-shadow: none;
-  font-size: 13px;
-  font-weight: 600;
-  transition: border-color 0.16s ease, background 0.16s ease, color 0.16s ease, box-shadow 0.16s ease;
-}
-
-.after-sales-page .material-button.el-button .el-icon {
-  font-size: 14px;
-  color: inherit;
-}
-
-.after-sales-page .material-button.el-button:hover,
-.after-sales-page .material-button.el-button:focus {
-  border-color: #1f2937;
-  color: #1f2937;
-  background: #f9fafb;
-  box-shadow: 0 2px 6px rgba(17, 24, 39, 0.1);
-}
-
-.after-sales-page .material-button.el-button.is-loading {
-  border-color: #d1d5db;
-  color: #374151;
-  background: #ffffff;
-}
 </style>
diff --git a/src/views/product/differentiation.vue b/src/views/product/differentiation.vue
index a6c4bf2..cd61f76 100644
--- a/src/views/product/differentiation.vue
+++ b/src/views/product/differentiation.vue
@@ -1562,8 +1562,7 @@ async function handleValueCanvasUpload(event) {
 }
 
 /* ===== 顶部任务工具栏换肤 ===== */
-.product-positioning-page .task-toolbar-button.el-button,
-.product-positioning-page .material-button.el-button {
+.product-positioning-page .task-toolbar-button.el-button {
   display: inline-flex;
   align-items: center;
   justify-content: center;
@@ -1582,16 +1581,13 @@ async function handleValueCanvasUpload(event) {
   transition: border-color 0.16s ease, background 0.16s ease, color 0.16s ease, box-shadow 0.16s ease;
 }
 
-.product-positioning-page .task-toolbar-button.el-button .el-icon,
-.product-positioning-page .material-button.el-button .el-icon {
+.product-positioning-page .task-toolbar-button.el-button .el-icon {
   font-size: 14px;
   color: inherit;
 }
 
 .product-positioning-page .task-toolbar-button.el-button:hover,
-.product-positioning-page .task-toolbar-button.el-button:focus,
-.product-positioning-page .material-button.el-button:hover,
-.product-positioning-page .material-button.el-button:focus {
+.product-positioning-page .task-toolbar-button.el-button:focus {
   border-color: #1f2937;
   color: #1f2937;
   background: #f9fafb;
diff --git a/src/views/product/market-opportunity-selection.vue b/src/views/product/market-opportunity-selection.vue
index bd85045..90a84b6 100644
--- a/src/views/product/market-opportunity-selection.vue
+++ b/src/views/product/market-opportunity-selection.vue
@@ -933,8 +933,7 @@ function exportOutcome() { const blob = new Blob([JSON.stringify({ taskName: tas
 /* ===== 顶部任务工具栏换肤 ===== */
 .opportunity-page .training-task-toolbar { gap: 8px; }
 
-.opportunity-page .task-toolbar-button.el-button,
-.opportunity-page .material-button.el-button {
+.opportunity-page .task-toolbar-button.el-button {
   display: inline-flex;
   align-items: center;
   justify-content: center;
@@ -953,16 +952,13 @@ function exportOutcome() { const blob = new Blob([JSON.stringify({ taskName: tas
   transition: border-color 0.16s ease, background 0.16s ease, color 0.16s ease, box-shadow 0.16s ease;
 }
 
-.opportunity-page .task-toolbar-button.el-button .el-icon,
-.opportunity-page .material-button.el-button .el-icon {
+.opportunity-page .task-toolbar-button.el-button .el-icon {
   font-size: 14px;
   color: inherit;
 }
 
 .opportunity-page .task-toolbar-button.el-button:hover,
-.opportunity-page .task-toolbar-button.el-button:focus,
-.opportunity-page .material-button.el-button:hover,
-.opportunity-page .material-button.el-button:focus {
+.opportunity-page .task-toolbar-button.el-button:focus {
   border-color: #1f2937;
   color: #1f2937;
   background: #f9fafb;
diff --git a/src/views/product/price.vue b/src/views/product/price.vue
index 1a91d95..3e40094 100644
--- a/src/views/product/price.vue
+++ b/src/views/product/price.vue
@@ -2459,7 +2459,6 @@ onMounted(async () => {
 }
 
 /* ===== 工具栏换肤 ===== */
-.price-page .material-button.el-button,
 .price-page .outline-action {
   display: inline-flex;
   align-items: center;
@@ -2479,23 +2478,8 @@ onMounted(async () => {
   transition: border-color 0.16s ease, background 0.16s ease, color 0.16s ease, box-shadow 0.16s ease;
 }
 
-.price-page .material-button.el-button .el-icon,
 .price-page .outline-action .el-icon {
   font-size: 14px;
   color: inherit;
 }
-
-.price-page .material-button.el-button:hover,
-.price-page .material-button.el-button:focus {
-  border-color: #1f2937;
-  color: #1f2937;
-  background: #f9fafb;
-  box-shadow: 0 2px 6px rgba(17, 24, 39, 0.1);
-}
-
-.price-page .material-button.el-button.is-loading {
-  border-color: #d1d5db;
-  color: #374151;
-  background: #ffffff;
-}
 </style>
diff --git a/src/views/product/requirements-doc.vue b/src/views/product/requirements-doc.vue
index ce904e2..aae29dd 100644
--- a/src/views/product/requirements-doc.vue
+++ b/src/views/product/requirements-doc.vue
@@ -1524,8 +1524,7 @@ function exportOutcome() { if (currentStep.value === 2) { exportStepTwoTable();
 }
 
 /* ===== 顶部工具栏 el-button 换肤 ===== */
-.requirements-doc-page .training-material-button.el-button,
-.requirements-doc-page .material-button.el-button {
+.requirements-doc-page .training-material-button.el-button {
   display: inline-flex;
   align-items: center;
   justify-content: center;
@@ -1544,16 +1543,13 @@ function exportOutcome() { if (currentStep.value === 2) { exportStepTwoTable();
   transition: border-color 0.16s ease, background 0.16s ease, color 0.16s ease, box-shadow 0.16s ease;
 }
 
-.requirements-doc-page .training-material-button.el-button .el-icon,
-.requirements-doc-page .material-button.el-button .el-icon {
+.requirements-doc-page .training-material-button.el-button .el-icon {
   font-size: 14px;
   color: inherit;
 }
 
 .requirements-doc-page .training-material-button.el-button:hover,
-.requirements-doc-page .training-material-button.el-button:focus,
-.requirements-doc-page .material-button.el-button:hover,
-.requirements-doc-page .material-button.el-button:focus {
+.requirements-doc-page .training-material-button.el-button:focus {
   border-color: #1f2937;
   color: #1f2937;
   background: #f9fafb;
diff --git a/src/views/product/structure.vue b/src/views/product/structure.vue
index 7e68eaf..085b0c1 100644
--- a/src/views/product/structure.vue
+++ b/src/views/product/structure.vue
@@ -1275,7 +1275,6 @@ button:disabled {
 }
 
 /* ===== 顶部工具栏按钮换肤 ===== */
-.architecture-page .material-button.el-button,
 .architecture-page .outline-action {
   display: inline-flex;
   align-items: center;
@@ -1295,14 +1294,11 @@ button:disabled {
   transition: border-color 0.16s ease, background 0.16s ease, color 0.16s ease, box-shadow 0.16s ease;
 }
 
-.architecture-page .material-button.el-button .el-icon,
 .architecture-page .outline-action .el-icon {
   font-size: 14px;
   color: inherit;
 }
 
-.architecture-page .material-button.el-button:hover,
-.architecture-page .material-button.el-button:focus,
 .architecture-page .outline-action:hover:not(:disabled),
 .architecture-page .outline-action:focus:not(:disabled) {
   border-color: #1f2937;
@@ -1310,10 +1306,4 @@ button:disabled {
   background: #f9fafb;
   box-shadow: 0 2px 6px rgba(17, 24, 39, 0.1);
 }
-
-.architecture-page .material-button.el-button.is-loading {
-  border-color: #d1d5db;
-  color: #374151;
-  background: #ffffff;
-}
 </style>
diff --git a/src/views/test/index.vue b/src/views/test/index.vue
index 9ed4b55..bc13f8f 100644
--- a/src/views/test/index.vue
+++ b/src/views/test/index.vue
@@ -403,19 +403,17 @@ onMounted(async () => { try { const result = await getTrainingTaskByKey(TASK_KEY
   p { margin: 0; }
 }
 
-.release-channel-toolbar {
+/* ===== 工具栏：一行不换行 ===== */
+.task-header :deep(.material-actions) {
   flex: 0 0 auto;
-  width: 320px;
-
-  :deep(.material-actions) {
-    display: grid;
-    grid-template-columns: 1fr 1fr;
-    gap: 8px;
-  }
+  display: flex;
+  flex-wrap: nowrap;
+  gap: 6px;
+}
 
-  :deep(.material-button) {
-    width: 100%;
-  }
+.task-header :deep(.material-button) {
+  flex: 0 0 auto;
+  white-space: nowrap;
 }
 
 /* ===== task-card：透明容器 ===== */
@@ -674,7 +672,7 @@ onMounted(async () => { try { const result = await getTrainingTaskByKey(TASK_KEY
 /* ===== 响应式 ===== */
 @media (max-width: 720px) {
   .task-header { flex-direction: column; align-items: flex-start; }
-  .release-channel-toolbar { width: 100%; justify-content: flex-start; }
+  .task-header :deep(.material-actions) { width: 100%; }
   .workbench-head { flex-direction: column; }
   .table-actions,
   .footer-actions { align-items: stretch; flex-direction: column; }
@@ -813,42 +811,6 @@ onMounted(async () => { try { const result = await getTrainingTaskByKey(TASK_KEY
   }
 }
 
-/* ===== 工具栏 el-button 换肤 ===== */
-.release-channel-page .release-channel-toolbar .material-button.el-button {
-  display: inline-flex;
-  align-items: center;
-  justify-content: center;
-  gap: 6px;
-  min-height: 36px;
-  height: 36px;
-  padding: 0 14px;
-  border: 1px solid #d1d5db;
-  border-radius: 8px;
-  color: #374151;
-  background: #ffffff;
-  box-shadow: none;
-  text-shadow: none;
-  font-size: 13px;
-  font-weight: 600;
-  transition: border-color 0.16s ease, background 0.16s ease, color 0.16s ease, box-shadow 0.16s ease;
-}
-.release-channel-page .release-channel-toolbar .material-button.el-button .el-icon {
-  font-size: 14px;
-  color: inherit;
-}
-.release-channel-page .release-channel-toolbar .material-button.el-button:hover,
-.release-channel-page .release-channel-toolbar .material-button.el-button:focus {
-  border-color: #1f2937;
-  color: #1f2937;
-  background: #f9fafb;
-  box-shadow: 0 2px 6px rgba(17, 24, 39, 0.1);
-}
-.release-channel-page .release-channel-toolbar .material-button.el-button.is-loading {
-  border-color: #d1d5db;
-  color: #374151;
-  background: #ffffff;
-}
-
 /* ===== 表格操作按钮换肤 ===== */
 .release-channel-page .table-actions .el-button,
 .release-channel-page .footer-actions .el-button {
diff --git a/src/views/test/promotion.vue b/src/views/test/promotion.vue
index bcb0b31..d8239a1 100644
--- a/src/views/test/promotion.vue
+++ b/src/views/test/promotion.vue
@@ -846,8 +846,7 @@ onMounted(async () => { try { const result = await getTrainingTaskByKey(TASK_KEY
 /* ===== 顶部任务工具栏换肤 ===== */
 .promotion-page .training-task-toolbar { gap: 8px; }
 
-.promotion-page .task-toolbar-button.el-button,
-.promotion-page .material-button.el-button {
+.promotion-page .task-toolbar-button.el-button {
   display: inline-flex;
   align-items: center;
   justify-content: center;
@@ -866,16 +865,13 @@ onMounted(async () => { try { const result = await getTrainingTaskByKey(TASK_KEY
   transition: border-color 0.16s ease, background 0.16s ease, color 0.16s ease, box-shadow 0.16s ease;
 }
 
-.promotion-page .task-toolbar-button.el-button .el-icon,
-.promotion-page .material-button.el-button .el-icon {
+.promotion-page .task-toolbar-button.el-button .el-icon {
   font-size: 14px;
   color: inherit;
 }
 
 .promotion-page .task-toolbar-button.el-button:hover,
-.promotion-page .task-toolbar-button.el-button:focus,
-.promotion-page .material-button.el-button:hover,
-.promotion-page .material-button.el-button:focus {
+.promotion-page .task-toolbar-button.el-button:focus {
   border-color: #1f2937;
   color: #1f2937;
   background: #f9fafb;