Duri686
diff --git a/‎docs/images/overview.png‎
381 KB b/‎docs/images/overview.png‎
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diff --git a/‎index.html‎
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@@ -5,8 +5,52 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
     <title>RoadNet Visualizer - 多层道路网络可视化</title>
     <link rel="stylesheet" href="/src/css/index.css" />
+    <style>
+      .github-link {
+        position: fixed;
+        top: 40px;
+        left: 50%;
+        transform: translateX(-50%);
+        display: inline-flex;
+        align-items: center;
+        gap: 10px;
+        padding: 8px 14px;
+        border-radius: 10px;
+        background: rgba(255, 255, 255, 0.08);
+        backdrop-filter: blur(8px);
+        color: #cbd5e1;
+        text-decoration: none;
+        transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
+        z-index: 1000;
+        font-weight: 600;
+      }
+      .github-link:hover {
+        background: rgba(255, 255, 255, 0.14);
+        color: #ffffff;
+      }
+      .github-link svg {
+        width: 20px;
+        height: 20px;
+        fill: currentColor;
+        display: block;
+      }
+    </style>
   </head>
   <body>
+    <a
+      href="https://github.com/Duri686/RoadNetVisualizer"
+      class="github-link"
+      target="_blank"
+      rel="noopener noreferrer"
+      aria-label="View project on GitHub"
+    >
+      <svg viewBox="0 0 16 16" aria-hidden="true">
+        <path
+          d="M8 0C3.58 0 0 3.58 0 8c0 3.54 2.29 6.54 5.47 7.59.4.07.55-.17.55-.38 0-.19-.01-.82-.01-1.49-2.01.37-2.53-.49-2.69-.94-.09-.23-.48-.94-.82-1.13-.28-.15-.68-.52-.01-.53.63-.01 1.08.58 1.23.82.72 1.21 1.87.87 2.33.66.07-.52.28-.87.51-1.07-1.78-.2-3.64-.89-3.64-3.95 0-.87.31-1.59.82-2.15-.08-.2-.36-1.02.08-2.12 0 0 .67-.21 2.2.82.64-.18 1.32-.27 2-.27.68 0 1.36.09 2 .27 1.53-1.04 2.2-.82 2.2-.82.44 1.1.16 1.92.08 2.12.51.56.82 1.27.82 2.15 0 3.07-1.87 3.75-3.65 3.95.29.25.54.73.54 1.48 0 1.07-.01 1.93-.01 2.2 0 .21.15.46.55.38A8.013 8.013 0 0 0 16 8c0-4.42-3.58-8-8-8z"
+        ></path>
+      </svg>
+      <span>GitHub repository</span>
+    </a>
     <div class="container">
       <!-- 移动端：横向Tab导航（仅在小屏显示） -->
       <nav id="mobile-tabs" aria-label="主模块切换" role="tablist">