feat(ui): add brand identity and police record

Assisted-by: Codex: GPT-5

templates/base/footer_content.tmpl

@@ -2,6 +2,7 @@
 	<div class="left-links">
 		<span>© 2026 海南荣刻科技有限公司. All Rights Reserved.</span>
 		<a href="https://beian.miit.gov.cn/" target="_blank" rel="noopener noreferrer">琼ICP备2026011549号</a>
+		<a class="footer-police-record" href="https://www.beian.gov.cn/portal/registerSystemInfo?recordcode=46010002001924" target="_blank" rel="noopener noreferrer"><img src="{{AssetUrlPrefix}}/img/beian-police.png" alt="公安备案图标">琼公网安备46010002001924号</a>
 	</div>
 	<div class="right-links" role="group" aria-label="{{ctx.Locale.Tr "aria.footer.links"}}">
 		<div class="ui dropdown custom" id="footer-theme-selector">

templates/base/head_navbar.tmpl

@@ -3,6 +3,12 @@
 		<!-- the logo -->
 		<a class="item" id="navbar-logo" href="{{AppSubUrl}}/" aria-label="{{if .IsSigned}}{{ctx.Locale.Tr "dashboard"}}{{else}}{{ctx.Locale.Tr "home_title"}}{{end}}">
 			<img width="30" height="30" src="{{AssetUrlPrefix}}/img/logo.png" alt="{{ctx.Locale.Tr "logo"}}" aria-hidden="true">
+			{{if .PageIsSignIn}}
+			<span class="navbar-brand-copy" aria-hidden="true">
+				<strong>荣刻科技</strong>
+				<small>RONCARVE TECHNOLOGY</small>
+			</span>
+			{{end}}
 		</a>
 
 		<!-- mobile right menu, it must be here because in mobile view, each item is a flex column, the first item is a full row column -->

web_src/css/home.css

@@ -69,6 +69,18 @@
   gap: 0.5em;
 }
 
+.page-footer .footer-police-record {
+  display: inline-flex;
+  align-items: center;
+  gap: 4px;
+}
+
+.page-footer .footer-police-record img {
+  width: 18px;
+  height: 20px;
+  object-fit: contain;
+}
+
 .page-footer .right-links {
   margin-left: auto;
   min-width: 180px; /* make sure the menu dropdown doesn't overflow horizontally when language name is short */

web_src/css/modules/header.css

@@ -166,3 +166,38 @@ h4.ui.header .sub.header {
   padding: 0.5em 0.75em !important;
   color: var(--color-text) !important;
 }
+#navbar-logo {
+  gap: 10px;
+}
+
+#navbar-logo .navbar-brand-copy {
+  display: inline-flex;
+  flex-direction: column;
+  line-height: 1;
+}
+
+#navbar-logo .navbar-brand-copy strong {
+  color: #071a50;
+  font-size: 18px;
+  font-weight: 700;
+  letter-spacing: 0.02em;
+}
+
+#navbar-logo .navbar-brand-copy small {
+  margin-top: 5px;
+  color: #75809a;
+  font-family: var(--fonts-monospace);
+  font-size: 8px;
+  letter-spacing: 0.2em;
+  white-space: nowrap;
+}
+
+@media (max-width: 767.98px) {
+  #navbar-logo .navbar-brand-copy strong {
+    font-size: 16px;
+  }
+
+  #navbar-logo .navbar-brand-copy small {
+    font-size: 7px;
+  }
+}