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app/cloudphone/components/ParticleBackground.tsx

@@ -0,0 +1,30 @@
+"use client";
+
+/**
+ * 纯 CSS 粒子背景 - 不依赖 @tsparticles
+ */
+export function ParticleBackground() {
+  const dots = Array.from({ length: 30 }, (_, i) => i);
+
+  return (
+    <div
+      className="absolute inset-0 pointer-events-none overflow-hidden"
+      aria-hidden
+    >
+      {dots.map((i) => (
+        <div
+          key={i}
+          className="absolute rounded-full bg-[var(--accent)] opacity-[0.08] animate-pulse"
+          style={{
+            width: `${2 + (i % 4)}px`,
+            height: `${2 + (i % 4)}px`,
+            left: `${(i * 7) % 100}%`,
+            top: `${(i * 11) % 100}%`,
+            animationDelay: `${(i % 5) * 0.5}s`,
+            animationDuration: `${2 + (i % 3)}s`,
+          }}
+        />
+      ))}
+    </div>
+  );
+}