feat(组件): 优化移动端分享功能并调整样式

调整推荐和精华图标高度为25px
为移动端添加点击分享直接复制链接功能
修复itemBottom组件中itemvalue拼写错误
添加响应式布局样式适配不同屏幕尺寸

component/item-head/item-head.txt

@@ -63,10 +63,10 @@
 
 <div class="label flexflex" v-if="sectionn?.length || tags?.length || item.recommend == 1 || item.best == 1">
     <a class="item icon" v-if="item.recommend == 1 && item.best != 1" target="_blank" href="/recommend">
-        <img style="height: 24px;" :src="valueUrl + '/img/recommend-icon.png'" />
+        <img style="height: 25px;" :src="valueUrl + '/img/recommend-icon.png'" />
     </a>
     <a class="item icon" v-if="item.best == 1" target="_blank" href="/best">
-        <img style="height: 24px;" v-if="item.best == 1" :src="valueUrl + '/img/essence-icon.png'" />
+        <img style="height: 25px;" v-if="item.best == 1" :src="valueUrl + '/img/essence-icon.png'" />
     </a>
     <a class="item blue" v-for="(item, index) in sectionn" :key="item" :href="'/section/' + item.uniqid" target="_blank">{{ item.name }}</a>
     <a class="item" v-for="(item, index) in tags" :key="item" :href="'/tag/' + item" target="_blank">{{ item }}</a>