style(Footer): 调整公安备案链接样式使其与ICP备案一致

将公安备案链接的样式调整为与ICP备案链接一致，包括添加过渡效果和字体样式，并将图标移至链接标签内以保持结构统一

src/components/Footer.astro

@@ -94,12 +94,15 @@ try {
       />晋ICP备2025071728号-1</a
     >
     <br />
-    <img alt="" src="/favicon/jingcha.png" class="h-4 mr-1" />
+
     <a
+      class="transition link text-[var(--primary)] font-medium inline-flex items-center"
       href="https://beian.mps.gov.cn/#/query/webSearch?code=14060202000213"
       rel="noreferrer"
-      target="_blank">晋公网安备14060202000213号</a
+      target="_blank">
-    >
+      <img alt="" src="/favicon/jingcha.png" class="h-4 mr-1" />
+      晋公网安备14060202000213号
+    </a>
     <br />
     <div class="server-info-wrapper flex items-center justify-center">
       <span class="server-info text-black/30 dark:text-white/30 text-xs"></span>