feat(blog): 添加“返回博客列表”链接，支持多语言切换

src/i18n/translations.ts

@@ -49,6 +49,7 @@ export const translations = {
     },
     blog: {
       slogan: 'This is where innovative thinking meets complex problems.',
+      backToList: 'Back to Blog',
     },
     services: {
       title: 'What I Do',
@@ -105,6 +106,7 @@ export const translations = {
     },
     blog: {
       slogan: '这里是创新思维与复杂问题相遇的地方。',
+      backToList: '返回博客列表',
     },
     services: {
       title: '我能做什么',

src/layouts/BlogPostLayout.astro

@@ -4,6 +4,7 @@ import type { MarkdownLayoutProps } from 'astro';
 import { type Lang } from '@/types/i18n';
 import { type FrontmatterProps } from '@/types';
 import { defaultLang } from '@/i18n/ui';
+import { useTranslations } from '@/i18n/utils';
 import GlassHeader from '@/components/GlassHeader';
 import Footer from '@/components/Footer';
 import AuthorCard from '@/components/AuthorCard';
@@ -31,6 +32,9 @@ const {
 } = frontmatter;
 
 const lang = Astro.currentLocale as Lang || defaultLang;
+const t = useTranslations(lang);
+
+const blogListUrl = lang === 'zh' ? '/zh/blog' : '/blog';
 
 // Handle different field names for backward compatibility
 const finalPublishDate = publishDate || date;
@@ -51,6 +55,23 @@ const finalReadingTime = readTime ? parseInt(readTime.replace(/\D/g, '')) : unde
           
             <!-- Blog post header -->
             <header class="mb-10">
+              <a 
+                href={blogListUrl}
+                class="inline-flex items-center gap-2 text-sm text-muted-foreground hover:text-primary transition-colors duration-200 mb-6 group"
+              >
+                <svg 
+                  width="16" 
+                  height="16" 
+                  viewBox="0 0 15 15" 
+                  fill="none" 
+                  xmlns="http://www.w3.org/2000/svg"
+                  class="group-hover:-translate-x-1 transition-transform duration-200"
+                >
+                  <path d="M6.85355 3.85355C7.04882 3.65829 7.04882 3.34171 6.85355 3.14645C6.65829 2.95118 6.34171 2.95118 6.14645 3.14645L2.14645 7.14645C1.95118 7.34171 1.95118 7.65829 2.14645 7.85355L6.14645 11.8536C6.34171 12.0488 6.65829 12.0488 6.85355 11.8536C7.04882 11.6583 7.04882 11.3417 6.85355 11.1464L3.20711 7.5L6.85355 3.85355Z" fill="currentColor" fill-rule="evenodd" clip-rule="evenodd"></path>
+                </svg>
+                {t('blog.backToList')}
+              </a>
+              
               <PostMeta 
                 lang={lang}
                 publishDate={finalPublishDate}