tab 样式优化

@@ -263,10 +263,10 @@ export struct TopNavigationComponent {
       if (this.currentTopNavSelectedIndex == 0) {
         return item.name === '视频' ? Color.White : '#e5e0e0'
       } else {
-        return this.currentTopNavSelectedIndex === index ? Color.Black : Color.Gray
+        return this.currentTopNavSelectedIndex === index ? Color.Black : "#999999"
       }
     } else {
-      return this.currentTopNavSelectedIndex === index ? Color.Black : Color.Gray
+      return this.currentTopNavSelectedIndex === index ? Color.Black : "#999999"
     }
   }
 
@@ -274,30 +274,28 @@ export struct TopNavigationComponent {
   tabBarBuilder(item: TopNavDTO, index: number) {
     Column() {
       Text(item.name)
-        .fontSize(this.currentTopNavSelectedIndex === index ? $r('app.float.selected_text_size') : $r('app.float.normal_text_size'))
+        .fontSize($r('app.float.selected_text_size'))
         .fontWeight(this.currentTopNavSelectedIndex === index ? FontWeight.Bold : FontWeight.Normal)
         .fontColor(this.getFontColor(item, index))
-        .padding({ top: $r('app.float.top_tab_item_padding_top') })
+        .padding({ top: $r('app.float.top_tab_item_padding_top') , bottom: $r('app.float.top_tab_item_padding_bottom')})
         .maxLines(this.MAX_LINE)
       if (this.currentTopNavSelectedIndex === index) {
         Row()
           .width(20)
           .height(3)
           .backgroundImage($r('app.media.icon_channel_active'), ImageRepeat.NoRepeat)
+          .backgroundImageSize(ImageSize.Contain)
       }
-
     }
     .hoverEffect(HoverEffect.Highlight)
     .constraintSize({
       minWidth: $r('app.float.top_tab_item_min_width'),
       maxWidth: $r('app.float.top_tab_item_max_width')
     })
-    // .margin({ right: 36 })
     .backgroundColor(Color.Transparent)
     .padding({
       left: $r('app.float.top_tab_item_padding_horizontal'),
       right: $r('app.float.top_tab_item_padding_horizontal'),
-      bottom: $r('app.float.top_tab_item_padding_bottom')
     })
     .id(`col_tabBar${index}`)
     .margin({ right: this.myChannelList.length === index + 1 ? 36 : 0 })

@@ -34,7 +34,7 @@
     },
     {
       "name": "selected_text_size",
-      "value": "18fp"
+      "value": "17vp"
     },
     {
       "name": "font_size_18",
@@ -178,11 +178,11 @@
     },
     {
       "name": "top_tab_item_padding_bottom",
-      "value": "5vp"
+      "value": "2vp"
     },
     {
       "name": "top_tab_item_padding_top",
-      "value": "2vp"
+      "value": "5vp"
     },
     {
       "name": "top_bar_height",