diff --git a/app.py b/app.py
index 88906a3..78d7df1 100644
--- a/app.py
+++ b/app.py
@@ -1035,7 +1035,30 @@ gradio-app,
     border-bottom: 3px solid #3b82f6 !important;
 }
 
-/* 一键生成：1800 宽单页工作区 */
+/* 去掉 Tab / Group 默认蓝色粗框 */
+.gradio-container .tabs {
+    border: none !important;
+    background: transparent !important;
+}
+.gradio-container .tabitem,
+.gradio-container .tab-content,
+.gradio-container [role="tabpanel"] {
+    border: none !important;
+    background: transparent !important;
+    padding: 0 !important;
+}
+.gradio-container .group.oneclick-panel,
+.gradio-container .oneclick-panel {
+    border: 1px solid #2d3748 !important;
+    box-shadow: none !important;
+}
+.gradio-container .oneclick-panel .group,
+.gradio-container .oneclick-body.group,
+.gradio-container .oneclick-body {
+    border: none !important;
+    background: transparent !important;
+    box-shadow: none !important;
+}
 .oneclick-panel {
     border: 1px solid #2d3748 !important;
     border-radius: 14px !important;
@@ -1045,13 +1068,13 @@ gradio-app,
     box-sizing: border-box !important;
     overflow: hidden !important;
 }
-.oneclick-panel > .block,
-.oneclick-panel > .form {
-    background: transparent !important;
-    border: none !important;
-    box-shadow: none !important;
-    padding: 0 !important;
-    margin: 0 !important;
+.oneclick-panel .block,
+.oneclick-panel .form,
+.oneclick-panel fieldset {
+    border-color: #374151 !important;
+}
+.oneclick-panel button.primary {
+    border-color: #2563eb !important;
 }
 .oneclick-hero {
     padding: 14px 20px !important;
@@ -1071,26 +1094,44 @@ gradio-app,
     padding: 16px 20px 20px !important;
 }
 .oneclick-input-grid {
-    display: flex !important;
-    flex-direction: row !important;
-    flex-wrap: nowrap !important;
-    align-items: stretch !important;
+    display: grid !important;
+    grid-template-columns: 1fr 1fr !important;
     gap: 16px !important;
     width: 100% !important;
     margin-bottom: 14px !important;
+    align-items: stretch !important;
 }
 .oneclick-input-grid > .column,
-.oneclick-input-grid > .gr-column {
-    flex: 1 1 0 !important;
+.oneclick-input-grid > .gr-column,
+.oneclick-input-grid > div {
     min-width: 0 !important;
+    width: 100% !important;
+    max-width: none !important;
 }
 .oneclick-card {
     background: #1a2332 !important;
     border: 1px solid #374151 !important;
     border-radius: 10px !important;
-    padding: 10px 12px 12px !important;
+    padding: 12px 14px 14px !important;
+    min-height: 280px !important;
     height: 100% !important;
     box-sizing: border-box !important;
+    display: flex !important;
+    flex-direction: column !important;
+}
+.oneclick-card > .block,
+.oneclick-card > .form {
+    flex: 1 1 auto !important;
+    display: flex !important;
+    flex-direction: column !important;
+    background: transparent !important;
+    border: none !important;
+    padding: 0 !important;
+    margin: 0 !important;
+}
+.oneclick-card .wrap,
+.oneclick-card .input-container {
+    flex: 1 1 auto !important;
 }
 .oneclick-card .block-label,
 .oneclick-card .label-wrap span {
@@ -1099,14 +1140,18 @@ gradio-app,
 }
 .oneclick-input-grid .audio-container,
 .oneclick-input-grid .upload-container {
+    flex: 1 1 auto !important;
     min-height: 220px !important;
+    height: 100% !important;
     border: 1px dashed #4b5563 !important;
     border-radius: 8px !important;
     background: #111827 !important;
 }
 .oneclick-input-grid textarea {
     min-height: 220px !important;
+    height: 100% !important;
     border-radius: 8px !important;
+    resize: none !important;
 }
 .oneclick-toolbar {
     display: flex !important;
@@ -1144,31 +1189,34 @@ gradio-app,
     border-radius: 8px !important;
 }
 .oneclick-bottom-grid {
-    display: flex !important;
-    flex-direction: row !important;
+    display: grid !important;
+    grid-template-columns: 1fr 1fr 1fr !important;
     gap: 16px !important;
     width: 100% !important;
     margin-bottom: 14px !important;
 }
 .oneclick-bottom-grid > .column,
-.oneclick-bottom-grid > .gr-column {
-    flex: 1 1 0 !important;
+.oneclick-bottom-grid > .gr-column,
+.oneclick-bottom-grid > div {
     min-width: 0 !important;
 }
 .oneclick-bottom-grid textarea {
     min-height: 160px !important;
     border-radius: 8px !important;
 }
-.oneclick-panel .tts-player-block {
-    margin-top: 4px !important;
-}
+.oneclick-panel .tts-player-block { margin-top: 4px !important; }
 .oneclick-panel .accordion {
     border-radius: 10px !important;
     margin-top: 8px !important;
+    border-color: #374151 !important;
 }
 @media (max-width: 900px) {
-    .oneclick-input-grid,
-    .oneclick-bottom-grid,
+    .oneclick-input-grid {
+        grid-template-columns: 1fr !important;
+    }
+    .oneclick-bottom-grid {
+        grid-template-columns: 1fr !important;
+    }
     .oneclick-toolbar {
         flex-direction: column !important;
     }
@@ -1442,7 +1490,7 @@ def build_theme() -> gr.themes.Base:
         button_primary_text_color="#ffffff",
         button_secondary_background_fill="#374151",
         button_secondary_text_color="#e5e7eb",
-        border_color_primary="#3b82f6",
+        border_color_primary="#374151",
     )
 
 
@@ -1454,7 +1502,7 @@ def build_app() -> gr.Blocks:
         with gr.Tabs(elem_classes=["main-nav-tabs"]):
             # ---- Tab 1: 一键生成（默认首页）----
             with gr.Tab("一键生成"):
-                with gr.Group(elem_classes=["oneclick-panel"]):
+                with gr.Column(elem_classes=["oneclick-panel"]):
                     gr.HTML(
                         '<div class="oneclick-hero">'
                         "上传录音或粘贴转写"