refactor(ui): [UI8] 补齐全局异常卡片边距并统一剩余下拉表单样式

client/src/components/common/EmptyStateCard.tsx

@@ -8,7 +8,7 @@ type EmptyStateCardProps = {
 
 export function EmptyStateCard({ title, description, footer }: EmptyStateCardProps) {
   return (
-    <section className="card-std">
+    <section className="card-std p-8">
       <h3 className="card-title">{title}</h3>
       <p className="card-desc">{description}</p>
       {footer ? <div className="mt-4">{footer}</div> : null}

client/src/components/ui/input.tsx

@@ -9,7 +9,7 @@ export const Input = React.forwardRef<HTMLInputElement, InputProps>(
       <input
         type={type}
         className={cn(
-          "flex h-11 w-full rounded-lg border border-zinc-300 bg-white px-3 py-2 text-sm text-zinc-900 placeholder:text-zinc-400 focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-primary-200 disabled:cursor-not-allowed disabled:opacity-50",
+          "flex select-std text-zinc-900 placeholder:text-zinc-400 focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-primary-200 disabled:cursor-not-allowed disabled:opacity-50",
           className,
         )}
         ref={ref}