feat: 完善课程学习与技能树体验

完善课程资源、学习进度与技能树解锁体验，统一视频播放与引导相关交互。

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

index.html

@@ -2,18 +2,31 @@
 <html lang="zh-CN">
   <head>
     <meta charset="UTF-8" />
-    <link rel="icon" type="image/svg+xml" href="/vite.svg" />
+    <link
+      rel="icon"
+      type="image/svg+xml"
+      href="/logo.png"
+    />
     <meta
       name="viewport"
       content="width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0"
     />
-    <meta name="referrer" content="no-referrer" />
-    <script type="text/javascript" src="./videoajax/jquery-3.7.1.min.js"></script>
-    <title>短视频达人</title>
+    <meta
+      name="referrer"
+      content="no-referrer"
+    />
+    <script
+      type="text/javascript"
+      src="./videoajax/jquery-3.7.1.min.js"
+    ></script>
+    <title>短视频达人养成记</title>
   </head>
   <body>
     <div id="app"></div>
-    <script type="module" src="/src/main.ts"></script>
+    <script
+      type="module"
+      src="/src/main.ts"
+    ></script>
     <script src="./videoajax/videoajax.js"></script>
   </body>
 </html>