官网全面适配 Python 技术栈 & 全新抽象 Logo 设计

- Design: 全新抽象几何曲线 Logo (旋转对称 + 插件概念)
- Update: 首页/快速开始/特性/架构页移除 Go 内容，改为 Python/Shell 指令
- Docs: README 与 Banner 添加贡献者 yongwanxing

website/logo.svg

@@ -1,32 +1,57 @@
-<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 200 200" fill="none">
-  <!-- 背景：深邃黑 -->
-  <rect width="200" height="200" rx="48" fill="#020617"/>
-  
-  <!-- F 的主体：核心骨架 (紫色到蓝紫) -->
-  <!-- 代表框架本体，沉稳、支撑一切 -->
-  <rect x="56" y="52" width="24" height="96" rx="12" fill="url(#spine)"/>
-  
-  <!-- F 的顶部横条：插件模块 A (青色到蓝色) -->
-  <!-- 与骨架分离 14px，悬浮在右侧，代表"热插拔" -->
-  <rect x="94" y="52" width="56" height="24" rx="12" fill="url(#topBar)"/>
-  
-  <!-- F 的中间横条：插件模块 B (绿色到青色) -->
-  <!-- 同样悬浮，代表多样性和扩展性 -->
-  <rect x="94" y="94" width="36" height="24" rx="12" fill="url(#midBar)"/>
-  
-  <!-- 渐变定义 -->
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512" width="512" height="512">
   <defs>
-    <linearGradient id="spine" x1="68" y1="52" x2="68" y2="148" gradientUnits="userSpaceOnUse">
-      <stop offset="0%" stop-color="#8b5cf6"/>
-      <stop offset="100%" stop-color="#3b82f6"/>
-    </linearGradient>
-    <linearGradient id="topBar" x1="94" y1="64" x2="150" y2="64" gradientUnits="userSpaceOnUse">
-      <stop offset="0%" stop-color="#06b6d4"/>
-      <stop offset="100%" stop-color="#3b82f6"/>
-    </linearGradient>
-    <linearGradient id="midBar" x1="94" y1="106" x2="130" y2="106" gradientUnits="userSpaceOnUse">
-      <stop offset="0%" stop-color="#10b981"/>
+    <linearGradient id="borderGrad" x1="0%" y1="0%" x2="100%" y2="100%">
+      <stop offset="0%" stop-color="#6366f1"/>
       <stop offset="100%" stop-color="#06b6d4"/>
     </linearGradient>
   </defs>
+
+  <!-- 圆角正方形背景 -->
+  <rect x="32" y="32" width="448" height="448" rx="96" fill="#ffffff" stroke="url(#borderGrad)" stroke-width="5"/>
+
+  <!-- 抽象曲线 Logo：卐字旋转对称 + 层次叠加 -->
+  <g transform="translate(256, 256)">
+
+    <!-- 装饰环：三层同心圆 -->
+    <circle cx="0" cy="0" r="140" fill="none" stroke="#000000" stroke-width="1" opacity="0.06"/>
+    <circle cx="0" cy="0" r="115" fill="none" stroke="#000000" stroke-width="1.5" opacity="0.1" stroke-dasharray="6,8"/>
+    <circle cx="0" cy="0" r="90" fill="none" stroke="#000000" stroke-width="1" opacity="0.08"/>
+
+    <!-- 底层：内层旋转臂（短、粗） -->
+    <g fill="none" stroke="#000000" stroke-width="6" stroke-linecap="round" opacity="0.3">
+      <path d="M 0 -15 L 0 -45 C 0 -55, -12 -55, -22 -55" />
+      <path d="M 15 0 L 45 0 C 55 0, 55 -12, 55 -22" />
+      <path d="M 0 15 L 0 45 C 0 55, 12 55, 22 55" />
+      <path d="M -15 0 L -45 0 C -55 0, -55 12, -55 22" />
+    </g>
+
+    <!-- 核心方块 -->
+    <rect x="-18" y="-18" width="36" height="36" rx="8" fill="#000000" opacity="0.9"/>
+
+    <!-- 中层：主旋转臂 -->
+    <g fill="none" stroke="#000000" stroke-width="10" stroke-linecap="round" opacity="0.6">
+      <path d="M 0 -18 L 0 -65 C 0 -85, -20 -85, -38 -85" />
+      <path d="M 18 0 L 65 0 C 85 0, 85 -20, 85 -38" />
+      <path d="M 0 18 L 0 65 C 0 85, 20 85, 38 85" />
+      <path d="M -18 0 L -65 0 C -85 0, -85 20, -85 38" />
+    </g>
+
+    <!-- 节点点（曲线转折处） -->
+    <circle cx="-22" cy="-55" r="4" fill="#000000" opacity="0.4"/>
+    <circle cx="55" cy="-22" r="4" fill="#000000" opacity="0.4"/>
+    <circle cx="22" cy="55" r="4" fill="#000000" opacity="0.4"/>
+    <circle cx="-55" cy="22" r="4" fill="#000000" opacity="0.4"/>
+
+    <!-- 顶层：主插件方块 -->
+    <rect x="-58" y="-103" width="36" height="36" rx="10" fill="#000000" opacity="0.8"/>
+    <rect x="67" y="-58" width="36" height="36" rx="10" fill="#000000" opacity="0.8"/>
+    <rect x="22" y="67" width="36" height="36" rx="10" fill="#000000" opacity="0.8"/>
+    <rect x="-103" y="22" width="36" height="36" rx="10" fill="#000000" opacity="0.8"/>
+
+    <!-- 对角小装饰点 -->
+    <circle cx="55" cy="-55" r="3" fill="#000000" opacity="0.15"/>
+    <circle cx="55" cy="55" r="3" fill="#000000" opacity="0.15"/>
+    <circle cx="-55" cy="55" r="3" fill="#000000" opacity="0.15"/>
+    <circle cx="-55" cy="-55" r="3" fill="#000000" opacity="0.15"/>
+  </g>
 </svg>