feat(homepage): 添加巨幕抽奖2安装包版本展示功能

- 在封面页面新增巨幕抽奖2视频展示区域
- 添加星空背景和巨幕照片墙功能介绍
- 集成操作文档链接和视频演示功能
- 提供Windows和Mac版本下载选项
- 支持Apple芯片和Intel芯片的Mac下载
- 确保数据安全和离线U盘可用性
- 添加大转盘抽奖功能展示
- 优化页面布局和样式配置

_config/css/styles.css

@@ -766,6 +766,10 @@ body .sidebar-toggle span:nth-child(3) {
   margin-left: 4%;
 } */
 
+.luckday-video-screen, .luckday-video-skying {
+  flex: 1;
+}
+
 .skying-video, .screen-video {
   width: 70%;
   border-radius: 12px;

_coverpage.md

@@ -36,6 +36,35 @@
 <!-- - 操作手册
 - 技术文档 -->
 
+<div class="luckday-video">
+  <div class="luckday-video-screen">
+    <div>
+      <h2 class="screen-title">巨幕抽奖2（安装包版本）</h2>
+      <h5> 星空背景，巨幕照片墙。  
+        <a href="#/luck/screen-new.md" class="doc">
+          操作文档 →
+          <img src="_media/svg/doc.svg" alt="文档" />
+        </a>
+      </h5>
+      <h5> 数据绝对安全，支持1万人+，离线U盘可用 </h5>
+    </div>
+    <video class="screen-video" autoplay loop muted playsinline>
+      <source src="./_media/video/screen2.mp4" type="video/mp4">
+    </video>
+    <div class="buttons">
+      <a href="./_media/package/win-luckday-screen.zip" rel="noopener" target="_blank"><span>Win 下载</span>
+      </a>
+      <div class="dropdown">
+        <a class="dropdown-toggle" href="javascript:void(0)"><span>Mac 下载</span></a>
+        <div class="dropdown-menu">
+          <a href="./_media/package/mac-luckday-screen.zip" rel="noopener" target="_blank" style="width: 100%"><span>Mac (Intel 芯片)</span></a>
+          <a href="./_media/package/mac-arm64-luckday-screen.zip" rel="noopener" target="_blank" style="width: 100%"><span>Mac (Apple 芯片)</span></a>
+        </div>
+      </div>
+    </div>
+  </div>
+</div>
+
 <div class="luckday-video">
   <div class="luckday-video-skying">
     <div>
@@ -173,10 +202,6 @@
         </div>
       </div>
     </div>
-    <!-- <div class="buttons">
-      <a class="disabled" href="javascript:void(0)"><span>Win 下载</span></a>
-      <a class="disabled" href="javascript:void(0)"><span>Mac 下载</span></a>
-    </div> -->
   </div>
     <div class="luckday-video-screen">
     <div>