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\ No newline at end of file
diff --git a/src/components/Header.astro b/src/components/Header.astro
index 4a458c0..abba686 100644
--- a/src/components/Header.astro
+++ b/src/components/Header.astro
@@ -13,15 +13,39 @@ const t = getTranslations(lang);
     </div>
 
     <nav class="header-nav">
-        <h1>
-            <a href="/" data-astro-reload>{t.banner.title}</a>
-        </h1>
+        <div class="banner">
+            <a
+                href={`/${lang}/`}
+                data-astro-reload
+                class="banner-link"
+                aria-label="banner"
+            >
+                <span class="banner-logo"></span>
+            </a>
+        </div>
         <Navigation />
     </nav>
 </header>
 
 <style>
-    .header-nav h1 a {
+    .banner-link {
+        display: inline-block;
+    }
+
+    .banner-logo {
+        display: block;
+        height: 55px; /* 按你的 banner 比例改 */
+        background-color: #1f2328;
+
+        -webkit-mask: url("/images/banner-black.svg") no-repeat left / contain;
+        mask: url("/images/banner-black.svg") no-repeat left / contain;
+    }
+
+    :global(html.dark .banner-logo) {
+        background-color: #e6e6e6;
+    }
+
+    .header-nav .banner a {
         color: inherit;
         text-decoration: none;
         display: block;
@@ -45,13 +69,13 @@ const t = getTranslations(lang);
         gap: 1rem;
     }
 
-    .header-nav h1 {
+    .header-nav .banner {
         margin: 0;
         font-style: italic;
         line-height: 1.1;
 
         /* 给右上角 ThemeIcon 留空间 */
-        max-width: calc(100% - 4rem);
+        max-width: calc(100% - 7rem);
 
         /* 桌面正常，手机自动缩小 */
         font-size: clamp(1.6rem, 6vw, 2.5rem);
diff --git a/src/i18n/en.ts b/src/i18n/en.ts
index 1bdc840..962afbb 100644
--- a/src/i18n/en.ts
+++ b/src/i18n/en.ts
@@ -1,7 +1,7 @@
 export default {
     banner: {
         title: "Cloverta's Blog",
-        subtitle: ""
+        subtitle: "More to explore here (kinda) — welcome to Cloverta's blog 🥳"
     },
     nav: {
         home: "Home",
diff --git a/src/i18n/zh.ts b/src/i18n/zh.ts
index 7c9da2d..cc7d280 100644
--- a/src/i18n/zh.ts
+++ b/src/i18n/zh.ts
@@ -1,7 +1,7 @@
 export default {
     banner: {
         title: "Cloverta的博客",
-        subtitle: ""
+        subtitle: "在这里，发现更多（雾）欢迎来到三叶的博客🥳"
     },
     nav: {
         home: "首页",
diff --git a/src/layouts/MarkdownPostLayout.astro b/src/layouts/MarkdownPostLayout.astro
index e704323..9bcf54d 100644
--- a/src/layouts/MarkdownPostLayout.astro
+++ b/src/layouts/MarkdownPostLayout.astro
@@ -9,7 +9,7 @@ const t = getTranslations(lang);
 ---
 
 <BaseLayout
-  pageTitle={frontmatter.title}
+  pageTitle=`${frontmatter.title} - ${t.banner.title}`
   description={frontmatter.description}
   image={frontmatter.image?.url}
 >
diff --git a/src/pages/[lang]/about.astro b/src/pages/[lang]/about.astro
index c0e0c0c..1008196 100644
--- a/src/pages/[lang]/about.astro
+++ b/src/pages/[lang]/about.astro
@@ -13,7 +13,7 @@ const pageTitle = t.about.title;
 ---
 
 <BaseLayout
-  pageTitle={pageTitle}
+  pageTitle=`${pageTitle} - ${t.banner.title}`
   image={t.about.profilePicture}
 >
   <main class="about">
diff --git a/src/pages/[lang]/friends.astro b/src/pages/[lang]/friends.astro
index 067ad5a..5dbc1e9 100644
--- a/src/pages/[lang]/friends.astro
+++ b/src/pages/[lang]/friends.astro
@@ -13,6 +13,6 @@ const t = getTranslations(lang);
 const headerTitle = lang === "zh" ? "友情链接" : "Friends";
 ---
 
-<BaseLayout pageTitle={headerTitle}>
+<BaseLayout pageTitle=`${headerTitle} - ${t.banner.title}`>
     <FriendlyLinkList />
 </BaseLayout>
diff --git a/src/pages/[lang]/index.astro b/src/pages/[lang]/index.astro
index 37fad28..c982ba5 100644
--- a/src/pages/[lang]/index.astro
+++ b/src/pages/[lang]/index.astro
@@ -15,7 +15,7 @@ const headerTitle = lang === "zh" ? "Cloverta的博客" : "Cloverta's blog";
 const pageTitle = t.home.title;
 ---
 
-<BaseLayout pageTitle={headerTitle}>
+<BaseLayout pageTitle=`${headerTitle} - ${t.banner.subtitle}`>
   <h1 class="page-title">
     <span>{pageTitle}</span>
     <a
diff --git a/src/pages/[lang]/tags/index.astro b/src/pages/[lang]/tags/index.astro
index a1fcbbb..d841e1c 100644
--- a/src/pages/[lang]/tags/index.astro
+++ b/src/pages/[lang]/tags/index.astro
@@ -15,7 +15,7 @@ const tags = [...new Set(allPosts.map((post: any) => post.data.tags).flat())];
 const pageTitle = lang === "zh" ? "标签索引" : "Tag Index";
 ---
 
-<BaseLayout pageTitle={pageTitle}>
+<BaseLayout pageTitle=`${pageTitle} - ${t.banner.title}` `>
     <h1>{t.tags.title}</h1>
     <p>{t.tags.description}</p>
 
diff --git a/src/pages/[lang]/timeline.astro b/src/pages/[lang]/timeline.astro
index f5a9cfb..3083483 100644
--- a/src/pages/[lang]/timeline.astro
+++ b/src/pages/[lang]/timeline.astro
@@ -13,7 +13,7 @@ const t = getTranslations(lang);
 const headerTitle = lang === "zh" ? "时间轴" : "Timeline";
 ---
 
-<BaseLayout pageTitle={headerTitle}>
+<BaseLayout pageTitle=`${headerTitle} - ${t.banner.title}` `>
     <h1>{t.nav.timeline}</h1>
     <PostTimeline />
 </BaseLayout>
diff --git a/src/styles/global.css b/src/styles/global.css
index 7caa4f3..be843b0 100644
--- a/src/styles/global.css
+++ b/src/styles/global.css
@@ -129,6 +129,10 @@ body::after {
   z-index: -1;
 }
 
+html.dark body::after {
+  background-image: url("https://files.seeusercontent.com/2026/03/28/nd1W/pasted-image-1774730083896.webp");
+}
+
 * {
   box-sizing: border-box;
 }
@@ -141,7 +145,7 @@ h1 {
 
 
 a {
-  color: #7fb3ff;
+  color: #416bd6;
   font-weight: 700;
   text-decoration: none;
 }