style: tighten H5 guards and legacy student UI

apps/taro/src/pages/student/home/index.tsx

@@ -60,10 +60,10 @@ export default function StudentHomePage() {
         <View className='hero-content'>
           <Text className='hero-kicker'>今天也是元气满满的一天</Text>
           <Text className='hero-title'>继续你的备考之旅</Text>
-          <Text className='hero-copy'>刷题、错题、背单词、资料和会员权益已接入新 SaaS 后端。</Text>
+          <Text className='hero-copy'>已经连续学习的每一天，都会让你离目标院校更近一步。</Text>
           <View className='hero-actions'>
             <Button className='hero-primary' onClick={() => Taro.navigateTo({ url: '/pages/student/catalog/index' })}>开始刷题</Button>
-            <Button className='hero-secondary' onClick={() => Taro.navigateTo({ url: '/pages/student/profile/index' })}>学习报告</Button>
+            <Button className='hero-secondary' onClick={() => Taro.navigateTo({ url: '/pages/student/reports/index' })}>学习报告</Button>
           </View>
         </View>
       </View>