feat: update navbar style

Author: saurlax

src/components/Header.astro

@@ -21,7 +21,11 @@ import naosi from "../assets/naosi.svg";
 <style>
   .navbar a:hover,
   .navbar a.active {
-    @apply text-black;
+    @apply text-primary;
+  }
+
+  .navbar a.active {
+    @apply underline underline-2 underline-offset-6;
   }
 </style>
 

src/pages/index.astro

@@ -51,7 +51,7 @@ const blog = await getCollection("blog");
     />
     <Service
       icon="i-ri-blogger-fill"
-      href="https://github.com/NAOSI-DLUT/blogroll"
+      href="https://blogroll.naosi.org/"
       title="友情链接"
       description="成员们的博客友链"
     />