feat: 使用原生的title

src/App.vue

@@ -102,15 +102,8 @@ onMounted(() => {
 
     <!-- Content State -->
     <div v-else-if="agreementData" class="main-wrapper">
-      <header class="page-header">
-        <div class="header-content">  
-          <h1 class="title" v-if="agreementData.title">{{ agreementData.title }}</h1>
-        </div>
-      </header>
-
       <main class="scroll-area" @scroll="handleScroll" ref="contentRef">
         <article class="rich-content" v-html="agreementData.content"></article>
-
         <footer class="content-footer">
           <div class="divider"></div>
           <p v-if="agreementData.updated_at" class="update-time">