初始提交：全国牛产业大数据中心大屏项目

public/texture/光柱.svg

@@ -0,0 +1,33 @@
+<svg width="32" height="256" viewBox="0 0 32 256" xmlns="http://www.w3.org/2000/svg">
+  <defs>
+    <linearGradient id="beamGradient" x1="0%" y1="0%" x2="0%" y2="100%">
+      <stop offset="0%" style="stop-color:#00ffff;stop-opacity:0" />
+      <stop offset="10%" style="stop-color:#00ffff;stop-opacity:0.8" />
+      <stop offset="50%" style="stop-color:#0088ff;stop-opacity:1" />
+      <stop offset="90%" style="stop-color:#00ffff;stop-opacity:0.8" />
+      <stop offset="100%" style="stop-color:#00ffff;stop-opacity:0" />
+    </linearGradient>
+    <radialGradient id="beamRadial" cx="50%" cy="50%" r="50%">
+      <stop offset="0%" style="stop-color:#ffffff;stop-opacity:0.8" />
+      <stop offset="30%" style="stop-color:#00ffff;stop-opacity:0.6" />
+      <stop offset="70%" style="stop-color:#0088ff;stop-opacity:0.4" />
+      <stop offset="100%" style="stop-color:#004488;stop-opacity:0" />
+    </radialGradient>
+    <filter id="beamGlow">
+      <feGaussianBlur stdDeviation="2" result="coloredBlur"/>
+      <feMerge> 
+        <feMergeNode in="coloredBlur"/>
+        <feMergeNode in="SourceGraphic"/> 
+      </feMerge>
+    </filter>
+  </defs>
+  
+  <!-- 主光柱 -->
+  <rect x="8" y="0" width="16" height="256" fill="url(#beamGradient)" filter="url(#beamGlow)"/>
+  
+  <!-- 中心亮线 -->
+  <rect x="14" y="0" width="4" height="256" fill="url(#beamRadial)" opacity="0.8"/>
+  
+  <!-- 外发光效果 -->
+  <rect x="4" y="0" width="24" height="256" fill="url(#beamGradient)" opacity="0.3" filter="url(#beamGlow)"/>
+</svg>