refactor: 更新样式

Author: ArgoZhang

src/BootstrapBlazor.Server/Components/Pages/Index.razor

@@ -6,7 +6,7 @@
 
 <section class="bd-masthead">
     <div class="container-xxl bd-gutter">
-        <div class="text-center">
+        <div class="col-md-8 mx-auto text-center">
             <a class="d-inline-flex text-dark text-decoration-none" href="https://github.com/dotnetcore/BootstrapBlazor?wt.mc_id=DT-MVP-5004174" rel="noopener" target="_blank">
                 <span class="py-2 px-3 rounded-5 masthead-notice">
                     @Localizer["Support"]
@@ -17,7 +17,7 @@
             <p class="lead mb-4">
                 @Localizer["SubTitle"]
             </p>
-            <a href="introduction/" class="btn btn-lg bd-btn-lg btn-bd-primary mb-4 d-inline-flex align-items-center justify-content-center fw-semibold">
+            <a href="introduction" class="btn btn-lg bd-btn-lg btn-bd-primary mb-4 d-inline-flex align-items-center justify-content-center fw-semibold">
                 <i class="fa-solid fa-book-open"></i>
                 <span class="ms-2">@Localizer["Docs"]</span>
             </a>