feat: 完善技能树功能架构与逻辑流程文档，新增视频播放与学习进度追踪功能

src/components/Guide/GuideSteps.vue

@@ -154,14 +154,14 @@ const currentStepContent = computed(() => {
   const step = currentStepData.value
   if (!step) return ''
 
-  if (!step.title) {
-    return `${step.content}`
-  }
+  // if (!step.title) {
+  return `${step.content}`
+  // }
 
-  return `
-		<h3 class="text-lg font-bold mb-2">${step.title}</h3>
-		<div class="leading-relaxed">${step.content}</div>
-	`
+  // return `
+  // 	<h3 class="text-lg font-bold mb-2">${step.title}</h3>
+  // 	<div class="leading-relaxed">${step.content}</div>
+  // `
 })
 
 const handleNext = () => {