refactor: remove back button and adjust page detail styles

src/pages/about.astro

@@ -3,7 +3,7 @@ import Layout from '@/layouts/Layout.astro'
 ---
 
 <Layout>
-  <div class="h-0.125 w-10 bg-secondary opacity-25"></div>
+  <div class="h-0.25 w-10 bg-secondary opacity-25"></div>
   <div class="heti mt-4.375">
     <p>一款基于 <a href="https://astro.build/">Astro</a> 框架的博客主题，最初灵感来自 <a href="https://astro-theme-typography.vercel.app/">Typography</a>。本主题通过建立统一的视觉规范，对原主题的所有页面进行重新编排，尽力还原传统印刷的阅读体验，同时不失现代设计的简约感受。所见皆为细节，方寸尽显优雅。</p>
   </div>

src/pages/index.astro

@@ -30,7 +30,7 @@ const postsByYear = await getPostsByYear()
       // Year Group
       <section class="mb-7.5">
         {/* Decorative Line */}
-        <div class="h-0.125 w-10 bg-secondary opacity-25"></div>
+        <div class="h-0.25 w-10 bg-secondary opacity-25"></div>
         {/* Posts List */}
         <ul>
           {posts.map(post => (

src/pages/posts/[slug].astro

@@ -1,5 +1,4 @@
 ---
-import BackButton from '@/components/BackButton.astro'
 import Layout from '@/layouts/Layout.astro'
 import { checkSlugDuplication } from '@/utils/content'
 import { generatePostPaths } from '@/utils/i18n'
@@ -26,7 +25,6 @@ const { Content, remarkPluginFrontmatter } = await post.render()
   postImage={post.data.image}
 >
   <article class="heti">
-    <BackButton />
     <h1 class="post-title">
       <span
         transition:name={`post-${post.data.slug || post.slug}`}
@@ -37,7 +35,7 @@ const { Content, remarkPluginFrontmatter } = await post.render()
     </h1>
 
     <div
-      class="mb-11.75 block c-primary font-time"
+      class="mb-15.5 block c-primary font-time"
       transition:name={`time-${post.data.slug || post.slug}`}
       data-disable-transition-on-theme
     >
@@ -51,8 +49,8 @@ const { Content, remarkPluginFrontmatter } = await post.render()
     <Content />
 
     {post.data.tags && post.data.tags.length > 0 && (
-      <div class="mt-11.75">
-        <div class="h-0.125 w-10 bg-secondary opacity-25"></div>
+      <div class="mt-11.125">
+        <div class="h-0.25 w-10 bg-secondary opacity-25"></div>
         <div class="mt-4.375 w-95% flex flex-wrap gap-x-3 gap-y-3.6">
           {post.data.tags.map(tag => (
             <a

src/pages/tags/[tag].astro

@@ -16,7 +16,7 @@ const allTags = await getAllTags()
 ---
 
 <Layout>
-  <div class="h-0.125 w-10 bg-secondary opacity-25"></div>
+  <div class="h-0.25 w-10 bg-secondary opacity-25"></div>
   <div class="mt-4.375 w-95% flex flex-wrap gap-x-3 gap-y-3.6">
     {allTags.map(tag => (
       <a

src/pages/tags/index.astro

@@ -6,7 +6,7 @@ const allTags = await getAllTags()
 ---
 
 <Layout>
-  <div class="h-0.125 w-10 bg-secondary opacity-25"></div>
+  <div class="h-0.25 w-10 bg-secondary opacity-25"></div>
   <div class="mt-4.375 w-95% flex flex-wrap gap-x-3 gap-y-3.6">
     {allTags.map(tag => (
       <a