feat(views): 优化“选择协议类型”步骤 UI

src/views/setup-protocol/SelectProtocolType.vue

@@ -49,12 +49,12 @@ defineExpose<UseGuideStepItemExpose>({
 
 <style lang="scss" scoped>
 .protocol-select {
-  width: 224px;
+  width: 256px;
 }
 
 .protocol-help {
-  margin-top: 116px;
-  margin-bottom: 7px;
+  margin-top: 128px;
+  margin-bottom: 16px;
   font-size: 16px;
   font-weight: 500;
   line-height: 24px;
@@ -62,6 +62,6 @@ defineExpose<UseGuideStepItemExpose>({
 }
 
 button + button {
-  margin-left: 7px;
+  margin-left: 12px;
 }
 </style>