refactor(alpine): restructure components and remove unused utilities for better modularity and maintainability

templates/modules/footer.html

@@ -3,7 +3,10 @@
     <div class="copyright">
       <span>
         © <span th:text="${#dates.year(#dates.createNow())}">2024</span> Powered by
-        <a th:href="${theme.config.footer.footer_powered_link}" th:text="${theme.config.footer.footer_powered_text}"></a>
+        <a
+          th:href="${theme.config.footer.footer_powered_link}"
+          th:text="${theme.config.footer.footer_powered_text}"
+        ></a>
       </span>
     </div>
     <div class="beian">
@@ -16,7 +19,7 @@
         ></a
       ></span>
       <span th:if="${not #strings.isEmpty(theme.config.beian.gongan_text)}">
-        <img th:src="@{/assets/image/gongan.png}" style="display:inline-block; height: 1.2em;">
+        <img class="beian__icon" th:src="@{/assets/image/gongan.png}" alt="" />
         <a
           href="https://www.beian.gov.cn/"
           target="_blank"