完成五人团队正式内用最小收口（07-18-small-team-internal-readiness）

client/src/index.css

@@ -547,7 +547,8 @@
   .table-container {
     border-color: rgba(226, 232, 240, 0.92);
     background: var(--color-bg-surface-raised);
-    @apply overflow-hidden rounded-lg border shadow-sm backdrop-blur;
+    scrollbar-gutter: stable;
+    @apply max-w-full overflow-x-auto overflow-y-hidden overscroll-x-contain rounded-lg border shadow-sm backdrop-blur;
   }
 
   .table-header {