feat: 增加 github 按钮

Author: Karben233

index.html

@@ -43,6 +43,31 @@
       color: rgba(255,255,255,0.9);
       max-width: 600px;
       margin: 0 auto;
+      display: flex;
+      align-items: center;
+      justify-content: center;
+      gap: 15px;
+      flex-wrap: wrap;
+    }
+    
+    .github-link {
+      display: inline-flex;
+      align-items: center;
+      gap: 5px;
+      padding: 5px 10px;
+      background: rgba(255,255,255,0.2);
+      border-radius: 20px;
+      text-decoration: none;
+      color: rgba(255,255,255,0.9);
+      font-size: 0.9rem;
+      transition: all 0.3s ease;
+      backdrop-filter: blur(10px);
+    }
+    
+    .github-link:hover {
+      background: rgba(255,255,255,0.3);
+      color: #fff;
+      transform: translateY(-1px);
     }
 
     .main-content {
@@ -285,7 +310,15 @@
   <div class="container">
     <div class="header">
       <h1>🎭 变脸图制作工具</h1>
-      <p class="subtitle">一个恶搞工具，拼接两张图片为一个长图，在微信聊天中发送后，缩略图显示为图片A，点开查看大图后显示图片B</p>
+      <p class="subtitle">
+        一个恶搞工具，拼接两张图片为一个长图，在微信聊天中发送后，缩略图显示为图片A，点开查看大图后显示图片B
+        <a href="https://github.com/Karben233/mask-image" target="_blank" class="github-link">
+          <svg width="16" height="16" viewBox="0 0 24 24" fill="currentColor">
+            <path d="M12 0c-6.626 0-12 5.373-12 12 0 5.302 3.438 9.8 8.207 11.387.599.111.793-.261.793-.577v-2.234c-3.338.726-4.033-1.416-4.033-1.416-.546-1.387-1.333-1.756-1.333-1.756-1.089-.745.083-.729.083-.729 1.205.084 1.839 1.237 1.839 1.237 1.07 1.834 2.807 1.304 3.492.997.107-.775.418-1.305.762-1.604-2.665-.305-5.467-1.334-5.467-5.931 0-1.311.469-2.381 1.236-3.221-.124-.303-.535-1.524.117-3.176 0 0 1.008-.322 3.301 1.23.957-.266 1.983-.399 3.003-.404 1.02.005 2.047.138 3.006.404 2.291-1.552 3.297-1.23 3.297-1.23.653 1.653.242 2.874.118 3.176.77.84 1.235 1.911 1.235 3.221 0 4.609-2.807 5.624-5.479 5.921.43.372.823 1.102.823 2.222v3.293c0 .319.192.694.801.576 4.765-1.589 8.199-6.086 8.199-11.386 0-6.627-5.373-12-12-12z"/>
+          </svg>
+          GitHub
+        </a>
+      </p>
     </div>
 
     <div class="main-content">