docs(readme): 更新中英文文档链接格式

移除重复的“图文及视频完整操作指南”描述，统一中英文文档链接展示方式。

feat(footer): 优化页脚版权信息样式并添加 GitHub 链接

将页脚内容改为使用 Flex 布局，居中对齐，并在右侧添加指向项目仓库的 GitHub 图标链接。
图标带有悬停颜色过渡效果，提升用户交互体验。
同时修复了模块末尾多余的空行问题。

README.md

@@ -88,7 +88,7 @@
 5. **扫码安装** - 使用生成的二维码在新设备上安装
 
 ### 📚 详细文档
-- **[Giffgaff使用教程](./docs/User_Guide.md)** - 图文及视频完整操作指南 | [English](./docs/User_Guide_EN.md)
+- **[Giffgaff使用教程](./docs/User_Guide.md)** | [English](./docs/User_Guide_EN.md)
 - [Giffgaff详细说明](./docs/reference/README_giffgaff_esim.md) | [English](./docs/reference/README_giffgaff_esim_EN.md)
 - [Simyo详细说明](./docs/reference/README_simyo_esim.md) | [English](./docs/reference/README_simyo_esim_EN.md)
 

README_EN.md

@@ -76,7 +76,7 @@ Modern eSIM management toolkit designed for Giffgaff and Simyo users, supporting
 5. **Scan to Install** - Use the generated QR code to install on new device
 
 ### 📚 Detailed Documentation
-- **[Giffgaff User Guide](./docs/User_Guide.md)** - Complete图文 and video operation guide | [中文版](./docs/User_Guide_EN.md)
+- **[Giffgaff User Guide](./docs/User_Guide.md)** | [中文版](./docs/User_Guide_EN.md)
 - [Giffgaff Detailed Instructions](./docs/reference/README_giffgaff_esim.md) | [中文版](./docs/reference/README_giffgaff_esim_EN.md)
 - [Simyo Detailed Instructions](./docs/reference/README_simyo_esim.md) | [中文版](./docs/reference/README_simyo_esim_EN.md)
 - [Performance Optimization Guide](./docs/PERFORMANCE.md)

src/js/modules/footer.js

@@ -24,10 +24,45 @@ export function injectFooter(options = {}) {
   // 3) 最后退回到 body（避免因 body 为 flex row 导致横排：因此仅最后兜底）
 
   const createCopyrightNode = () => {
-    const p = document.createElement('p');
-    p.textContent = options.text || getCopyrightText();
-    p.style.marginTop = '8px';
-    return p;
+    const div = document.createElement('div');
+    div.style.display = 'flex';
+    div.style.alignItems = 'center';
+    div.style.justifyContent = 'center';
+    div.style.gap = '12px';
+    div.style.marginTop = '8px';
+    
+    const span = document.createElement('span');
+    span.textContent = options.text || getCopyrightText();
+    
+    const githubLink = document.createElement('a');
+    githubLink.href = 'https://github.com/Silentely/eSIM-Tools';
+    githubLink.target = '_blank';
+    githubLink.rel = 'noopener noreferrer';
+    githubLink.setAttribute('aria-label', '在 GitHub 上查看源码');
+    githubLink.style.display = 'flex';
+    githubLink.style.alignItems = 'center';
+    githubLink.style.justifyContent = 'center';
+    githubLink.style.color = '#6b7280';
+    githubLink.style.textDecoration = 'none';
+    githubLink.style.transition = 'color 0.2s ease';
+    
+    const githubIcon = document.createElement('i');
+    githubIcon.className = 'fab fa-github';
+    githubIcon.style.fontSize = '18px';
+    
+    githubLink.addEventListener('mouseenter', () => {
+      githubLink.style.color = '#1f2937';
+    });
+    
+    githubLink.addEventListener('mouseleave', () => {
+      githubLink.style.color = '#6b7280';
+    });
+    
+    githubLink.appendChild(githubIcon);
+    div.appendChild(span);
+    div.appendChild(githubLink);
+    
+    return div;
   };
 
   // 情形 1：已有站内 footer（如首页免责声明区）
@@ -73,6 +108,4 @@ export function autoInjectFooter() {
   } else {
     run();
   }
-}
-
-
+}