refactor(组件): 重构链接处理并优化样式结构

- 将硬编码的详情页链接改为通过item.url统一管理
- 将评论区域的div改为可点击的a标签
- 调整图标容器的样式结构，增加定位和尺寸控制
- 修复标签过滤逻辑，避免空值导致的错误

component/item-forum/item-forum.js

@@ -25,6 +25,9 @@ export const itemForum = defineComponent({
         res.content = res?.content?.replace(/\[.*?\../g, "");
 
         let item = ref({ ...res });
+
+        item.value['url'] = '/details/' + item.value.uniqid;
+
         return { item };
     },
 
@@ -33,5 +36,5 @@ export const itemForum = defineComponent({
         itemHead,
     },
 
-    template: `<div class="item-box item-forum">    <item-head :itemdata="item" :page="page"></item-head>    <a v-if="item.title" class="title" :href="'/details/' + item.uniqid" target="_blank">{{ item.title }}</a>    <a class="message two-line-display" :href="'/details/' + item.uniqid" target="_blank">{{ item.content }}</a>    <item-bottom :itemdata="item" :page="page"></item-bottom></div>`,
+    template: `<div class="item-box item-forum">    <item-head :itemdata="item" :page="page"></item-head>    <a v-if="item.title" class="title" :href="item.url" target="_blank">{{ item.title }}</a>    <a class="message two-line-display" :href="item.url" target="_blank">{{ item.content }}</a>    <item-bottom :itemdata="item" :page="page"></item-bottom></div>`,
 });