style: 重新设计 logo，采用紫青渐变配色

wayyoungboy · wayyoungboy · commit b92d8c2bfe00 · 2026-01-12T23:40:08.000+08:00
- 深色圆形背景
- 上升趋势曲线+数据点
- 代码括号符号
- 紫色-青色渐变配色
- 发光效果
diff --git a/static/img/logo.svg b/static/img/logo.svg
@@ -1,12 +1,62 @@
 <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" width="100" height="100">
   <defs>
-    <linearGradient id="grad" x1="0%" y1="0%" x2="100%" y2="100%">
-      <stop offset="0%" style="stop-color:#238636;stop-opacity:1" />
-      <stop offset="100%" style="stop-color:#3fb950;stop-opacity:1" />
+    <!-- 主渐变：紫色到青色 -->
+    <linearGradient id="mainGrad" x1="0%" y1="100%" x2="100%" y2="0%">
+      <stop offset="0%" style="stop-color:#6366f1"/>
+      <stop offset="50%" style="stop-color:#8b5cf6"/>
+      <stop offset="100%" style="stop-color:#22d3ee"/>
     </linearGradient>
+    <!-- 背景渐变 -->
+    <linearGradient id="bgGrad" x1="0%" y1="0%" x2="100%" y2="100%">
+      <stop offset="0%" style="stop-color:#1e1b4b"/>
+      <stop offset="100%" style="stop-color:#0f172a"/>
+    </linearGradient>
+    <!-- 发光效果 -->
+    <filter id="glow">
+      <feGaussianBlur stdDeviation="2" result="coloredBlur"/>
+      <feMerge>
+        <feMergeNode in="coloredBlur"/>
+        <feMergeNode in="SourceGraphic"/>
+      </feMerge>
+    </filter>
   </defs>
-  <circle cx="50" cy="50" r="45" fill="url(#grad)"/>
-  <path d="M25 65 L45 35 L55 50 L75 25" stroke="white" stroke-width="6" fill="none" stroke-linecap="round" stroke-linejoin="round"/>
-  <polygon points="75,25 65,28 72,35" fill="white"/>
-  <polygon points="75,55 77,61 83,61 78,65 80,71 75,67 70,71 72,65 67,61 73,61" fill="#f1e05a"/>
+  
+  <!-- 圆形背景 -->
+  <circle cx="50" cy="50" r="48" fill="url(#bgGrad)"/>
+  <circle cx="50" cy="50" r="46" fill="none" stroke="url(#mainGrad)" stroke-width="2" opacity="0.6"/>
+  
+  <!-- 趋势上升曲线 -->
+  <path 
+    d="M20 70 Q35 65 40 55 T55 40 T75 20" 
+    stroke="url(#mainGrad)" 
+    stroke-width="4" 
+    fill="none" 
+    stroke-linecap="round"
+    filter="url(#glow)"
+  />
+  
+  <!-- 数据点 -->
+  <circle cx="40" cy="55" r="4" fill="#22d3ee"/>
+  <circle cx="55" cy="40" r="4" fill="#8b5cf6"/>
+  <circle cx="75" cy="20" r="5" fill="#6366f1"/>
+  
+  <!-- 箭头 -->
+  <path 
+    d="M70 25 L75 20 L80 25" 
+    stroke="#22d3ee" 
+    stroke-width="3" 
+    fill="none" 
+    stroke-linecap="round" 
+    stroke-linejoin="round"
+  />
+  
+  <!-- 代码括号符号 -->
+  <g opacity="0.8">
+    <path d="M25 40 L18 50 L25 60" stroke="#a5b4fc" stroke-width="2.5" fill="none" stroke-linecap="round" stroke-linejoin="round"/>
+    <path d="M35 40 L42 50 L35 60" stroke="#a5b4fc" stroke-width="2.5" fill="none" stroke-linecap="round" stroke-linejoin="round"/>
+  </g>
+  
+  <!-- 底部装饰线 -->
+  <path d="M25 78 L75 78" stroke="url(#mainGrad)" stroke-width="2" stroke-linecap="round" opacity="0.4"/>
+  <path d="M30 82 L70 82" stroke="url(#mainGrad)" stroke-width="1.5" stroke-linecap="round" opacity="0.3"/>
 </svg>
