feat(auth): enhance LoginStep with platform description and adjust layout

- Added a descriptive paragraph about Afilmory as a photo gallery platform to the LoginStep component.
- Updated layout classes for improved consistency and alignment in the LoginStep and SuperAdminTenantManager components.

Signed-off-by: Innei <tukon479@gmail.com>

Author: Innei

be/apps/dashboard/src/modules/auth/components/registration-wizard/steps/LoginStep.tsx

@@ -16,6 +16,15 @@ type LoginStepProps = {
 export const LoginStep: FC<LoginStepProps> = ({ user, isAuthenticated, onContinue, isContinuing }) => (
   <div className="space-y-8">
     <section className="space-y-3">
+      <p className="text-text text-sm">
+        Afilmory is a modern SaaS{' '}
+        <a href="https://github.com/Afilmory/Afilmory/blob/main/README.md" target="_blank" rel="noopener noreferrer">
+          photo gallery platform
+        </a>{' '}
+        that auto-syncs your libraries, renders them with WebGL, and powers tenant workspaces. The dashboard is the
+        command center for those capabilities, so connecting your account lets us personalize the workspace setup for
+        your team.
+      </p>
       <h2 className="text-text text-lg font-semibold">Sign in to continue</h2>
       <p className="text-text-secondary text-sm">
         Use your organization&apos;s identity provider to create a workspace. We&apos;ll use your profile details to set
@@ -25,15 +34,15 @@ export const LoginStep: FC<LoginStepProps> = ({ user, isAuthenticated, onContinu
 
     {!isAuthenticated ? (
       <div className="space-y-4">
-        <div className="bg-fill/40 rounded-2xl border border-white/5 px-6 py-5">
+        <div className="bg-fill/40 rounded border border-white/5 px-6 py-5">
           <p className="text-text-secondary text-sm">
             Choose your provider below. After completing the sign-in flow you&apos;ll return here automatically.
           </p>
         </div>
-        <SocialAuthButtons className="max-w-sm" requestSignUp layout="row" />
+        <SocialAuthButtons className="max-w-sm" requestSignUp title="Continue with" layout="row" />
       </div>
     ) : (
-      <div className="bg-fill/40 rounded-2xl border border-white/5 p-6">
+      <div className="bg-fill/40 rounded border border-white/5 p-6">
         <p className="text-text-secondary text-sm">You&apos;re signed in as</p>
         <div className="text-text mt-2 text-lg font-semibold">{user?.name || user?.email}</div>
         <div className="text-text-tertiary text-sm">{user?.email}</div>

be/apps/dashboard/src/modules/super-admin/components/SuperAdminTenantManager.tsx

@@ -110,8 +110,8 @@ export function SuperAdminTenantManager() {
                 <tr className="text-text-tertiary text-xs uppercase tracking-wide">
                   <th className="px-3 py-2 text-left">租户</th>
                   <th className="px-3 py-2 text-left">订阅计划</th>
-                  <th className="px-3 py-2 text-left">状态</th>
-                  <th className="px-3 py-2 text-left">封禁</th>
+                  <th className="px-3 py-2 text-center">状态</th>
+                  <th className="px-3 py-2 text-center">封禁</th>
                   <th className="px-3 py-2 text-left">创建时间</th>
                 </tr>
               </thead>
@@ -130,10 +130,10 @@ export function SuperAdminTenantManager() {
                         onChange={(nextPlan) => handlePlanChange(tenant, nextPlan)}
                       />
                     </td>
-                    <td className="px-3">
+                    <td className="px-3 flex mt-4 justify-center">
                       <StatusBadge status={tenant.status} banned={tenant.banned} />
                     </td>
-                    <td className="px-3 py-3">
+                    <td className="px-3 flex mt-4 justify-center">
                       <Button
                         type="button"
                         size="sm"