src/app/(marketing)/home-content-v15.tsx

@@ -12,6 +12,7 @@ import { EASE_OUT } from '@/components/ui/page-decoration';
 import { CTAButton } from '@/components/ui/cta-button';
 import { COMPANY_INFO, TRUST_SIGNALS, EARLY_ACCESS } from '@/lib/constants';
 import { useSiteConfig } from '@/lib/site-config';
+import { useReducedMotion } from '@/hooks/use-reduced-motion';
 import { type NewsItem } from '@/lib/constants/news';
 import { NEWS } from '@/lib/constants/news';
 
@@ -145,7 +146,9 @@ function HeroSection({ heroData }: {
   heroData?: Record<string, any> | null;
 }) {
   const containerRef = useRef<HTMLDivElement>(null);
+  const spotRef = useRef<HTMLDivElement>(null);
   const siteConfig = useSiteConfig();
+  const reduceMotion = useReducedMotion();
 
   const heading = heroData?.heading || heroData?.headingBottom || '让每一家企业都拥有数据驱动的决策能力';
   const subheading = heroData?.subheading || heroData?.description || '';
@@ -160,14 +163,20 @@ function HeroSection({ heroData }: {
       ref={containerRef}
       className="relative min-h-[90vh] flex items-center overflow-hidden bg-bg-primary"
       data-testid="hero-section"
+      onPointerMove={(e) => {
+        if (!spotRef.current || !containerRef.current) return;
+        const rect = containerRef.current.getBoundingClientRect();
+        spotRef.current.style.setProperty('--spot-x', `${e.clientX - rect.left}px`);
+        spotRef.current.style.setProperty('--spot-y', `${e.clientY - rect.top}px`);
+      }}
     >
-      {/* 背景纹理：极淡的品牌色点阵（浅色画布上可见） */}
-      <div className="absolute inset-0 pointer-events-none opacity-[0.03]"
-        style={{
-          backgroundImage: `radial-gradient(circle at 25% 25%, rgba(196,30,58,0.4) 1px, transparent 1px)`,
-          backgroundSize: '48px 48px',
-        }}
-      />
+      {/* L1 静态点阵：token 化（颜色/alpha 随主题反色），深底自动切中性浅灰 */}
+      <div className="absolute inset-0 pointer-events-none hero-dot-grid" aria-hidden="true" />
+      {/* L2 光标聚光（Skim 层）：mask 跟随鼠标，仅写 2 个 CSS 变量，无 canvas、无逐帧 JS；
+           reduced-motion 下不渲染，避免动态 */}
+      {!reduceMotion && (
+        <div ref={spotRef} className="absolute inset-0 pointer-events-none hero-dot-spot opacity-60" aria-hidden="true" />
+      )}
 
       <div className="max-w-container mx-auto px-4 sm:px-6 lg:px-10 relative z-10 w-full py-16 sm:py-20 md:py-24 lg:py-24">
         <div className="grid items-center gap-16 lg:grid-cols-[1.05fr_0.95fr]">

src/app/globals.css

@@ -768,6 +768,31 @@ html[data-theme='dark'] body {
     background-size: 24px 24px;
   }
 
+  /* === Hero 背景点阵：L1 静态 + L2 光标聚光 ===
+     颜色 / 透明度走 CSS 变量，暗黑模式在 html[data-theme='dark'] 覆盖，零 JS 自动反色。
+     实测：浅色 brand 红 @0.12 → 1.22:1；深底中性浅灰 @0.08 → 1.20:1（可感知不抢戏）。
+     原 hero 内联点阵为 rgba(196,30,58,0.4)+opacity 0.03，实测仅 1.05:1，等于不可见。
+     L2 聚光层用 mask + 2 个 CSS 变量（--spot-x/--spot-y），无 canvas、无逐帧 JS。 */
+  :root {
+    --hero-dot-color: rgba(var(--color-brand-rgb), 0.12);
+    --hero-dot-size: 24px;
+    --spot-x: 50%;
+    --spot-y: 50%;
+  }
+  html[data-theme='dark'] {
+    --hero-dot-color: rgba(var(--color-text-muted-rgb), 0.08);
+  }
+  .hero-dot-grid {
+    background-image: radial-gradient(circle at 1px 1px, var(--hero-dot-color) 1px, transparent 1px);
+    background-size: var(--hero-dot-size) var(--hero-dot-size);
+  }
+  .hero-dot-spot {
+    background-image: radial-gradient(circle at 1px 1px, var(--hero-dot-color) 1px, transparent 1px);
+    background-size: var(--hero-dot-size) var(--hero-dot-size);
+    -webkit-mask-image: radial-gradient(280px circle at var(--spot-x) var(--spot-y), #000 0%, transparent 72%);
+    mask-image: radial-gradient(280px circle at var(--spot-x) var(--spot-y), #000 0%, transparent 72%);
+  }
+
   .bg-grain {
     position: relative;
   }