修复：大量的ScreenUtil误用，导致界面可能出现问题

(cherry picked from commit 2829da5267a14a9e0f43ff56060a68f1f8b2ca6a)

lib/app/modules/kr_invite/controllers/kr_invite_controller.dart

@@ -158,7 +158,7 @@ class KRInviteController extends GetxController {
             borderRadius: BorderRadius.circular(16.r),
           ),
           child: Container(
-            padding: EdgeInsets.symmetric(horizontal: 20.w, vertical: 24.w),
+            padding: EdgeInsets.symmetric(horizontal: 20.w, vertical: 24.h),
             child: Column(
               mainAxisSize: MainAxisSize.min,
               children: [
@@ -170,7 +170,7 @@ class KRInviteController extends GetxController {
                     color: Theme.of(Get.context!).textTheme.titleMedium?.color,
                   ),
                 ),
-                SizedBox(height: 16.w),
+                SizedBox(height: 16.h),
                 Container(
                   padding: EdgeInsets.all(16.w),
                   decoration: BoxDecoration(
@@ -195,7 +195,7 @@ class KRInviteController extends GetxController {
                     foregroundColor: Colors.black,
                   ),
                 ),
-                SizedBox(height: 20.w),
+                SizedBox(height: 20.h),
                 Container(
                   width: double.infinity,
                   height: 44.w,