update

src/Qt5/imports/FluentUI/Controls/FluComboBox.qml

@@ -63,10 +63,10 @@ T.ComboBox {
         selectByMouse: true
         verticalAlignment: Text.AlignVCenter
         background: FluTextBoxBackground{
-            border.width: 0
+            border.width: 1
             bottomMargin: {
                 if(!control.editable){
-                    return 0
+                    return 1
                 }
                 return contentItem && contentItem.activeFocus ? 2 : 1
             }

src/Qt5/imports/FluentUI/Controls/FluControlBackground.qml

@@ -26,7 +26,7 @@ Item{
         radius: control.radius
         gradient: Gradient {
             GradientStop { position: 0.0; color: d.startColor }
-            GradientStop { position: 0.88; color: d.startColor }
+            GradientStop { position: 1 - 3/control.height; color: d.startColor }
             GradientStop { position: 1.0; color: d.endColor}
         }
     }
@@ -40,6 +40,12 @@ Item{
             leftMargin: control.leftMargin
             rightMargin: control.rightMargin
         }
+        Behavior on anchors.bottomMargin {
+            NumberAnimation{
+                easing.type: Easing.OutCubic
+                duration: 167
+            }
+        }
         radius: control.radius
         color: control.color
     }

src/Qt5/imports/FluentUI/Controls/FluShadow.qml

@@ -5,7 +5,7 @@ import FluentUI 1.0
 Item {
     //高性能阴影！！！比DropShadow阴影性能高出数倍！！！
     property color color: FluTheme.dark ? "#AAAAAA" : "#999999"
-    property int elevation: 6
+    property int elevation: 5
     property int radius: 4
     id:control
     anchors.fill: parent

src/Qt5/imports/FluentUI/Controls/FluTextBoxBackground.qml

@@ -20,13 +20,14 @@ FluControlBackground{
     border.width: 1
     gradient: Gradient {
         GradientStop { position: 0.0; color: d.startColor }
-        GradientStop { position: 1 - 3/control.height; color: d.startColor }
+        GradientStop { position: 1 - d.offsetSize/control.height; color: d.startColor }
-        GradientStop { position: 1 - 2/control.height; color: d.startColor }
+        GradientStop { position: 1 - 1/control.height; color: d.endColor }
         GradientStop { position: 1.0; color: d.endColor }
     }
     bottomMargin: inputItem && inputItem.activeFocus ? 2 : 1
     QtObject{
         id:d
+        property int offsetSize  : inputItem && inputItem.activeFocus ? 2 : 3
         property color startColor: FluTheme.dark ? Qt.rgba(66/255,66/255,66/255,1) : Qt.rgba(232/255,232/255,232/255,1)
         property color endColor: {
             if(!control.enabled){

src/Qt6/imports/FluentUI/Controls/FluComboBox.qml

@@ -63,10 +63,10 @@ T.ComboBox {
         selectByMouse: true
         verticalAlignment: Text.AlignVCenter
         background: FluTextBoxBackground{
-            border.width: 0
+            border.width: 1
             bottomMargin: {
                 if(!control.editable){
-                    return 0
+                    return 1
                 }
                 return contentItem && contentItem.activeFocus ? 2 : 1
             }

src/Qt6/imports/FluentUI/Controls/FluControlBackground.qml

@@ -26,7 +26,7 @@ Item{
         radius: control.radius
         gradient: Gradient {
             GradientStop { position: 0.0; color: d.startColor }
-            GradientStop { position: 0.88; color: d.startColor }
+            GradientStop { position: 1 - 3/control.height; color: d.startColor }
             GradientStop { position: 1.0; color: d.endColor}
         }
     }
@@ -40,6 +40,12 @@ Item{
             leftMargin: control.leftMargin
             rightMargin: control.rightMargin
         }
+        Behavior on anchors.bottomMargin {
+            NumberAnimation{
+                easing.type: Easing.OutCubic
+                duration: 167
+            }
+        }
         radius: control.radius
         color: control.color
     }

src/Qt6/imports/FluentUI/Controls/FluShadow.qml

@@ -5,7 +5,7 @@ import FluentUI
 Item {
     //高性能阴影！！！比DropShadow阴影性能高出数倍！！！
     property color color: FluTheme.dark ? "#AAAAAA" : "#999999"
-    property int elevation: 6
+    property int elevation: 5
     property int radius: 4
     id:control
     anchors.fill: parent

src/Qt6/imports/FluentUI/Controls/FluTextBoxBackground.qml

@@ -20,13 +20,14 @@ FluControlBackground{
     border.width: 1
     gradient: Gradient {
         GradientStop { position: 0.0; color: d.startColor }
-        GradientStop { position: 1 - 3/control.height; color: d.startColor }
+        GradientStop { position: 1 - d.offsetSize/control.height; color: d.startColor }
-        GradientStop { position: 1 - 2/control.height; color: d.startColor }
+        GradientStop { position: 1 - 1/control.height; color: d.endColor }
         GradientStop { position: 1.0; color: d.endColor }
     }
     bottomMargin: inputItem && inputItem.activeFocus ? 2 : 1
     QtObject{
         id:d
+        property int offsetSize  : inputItem && inputItem.activeFocus ? 2 : 3
         property color startColor: FluTheme.dark ? Qt.rgba(66/255,66/255,66/255,1) : Qt.rgba(232/255,232/255,232/255,1)
         property color endColor: {
             if(!control.enabled){