update: back button position and fallback logic

src/components/Widgets/BackHome.astro

@@ -1,7 +1,7 @@
 <button
   id="back-button"
   class="hidden"
-  lg="block absolute left--8 top-1/2 aspect-square w-4.5 translate-y--1/2 c-secondary active:scale-90 hover:c-primary"
+  lg="block absolute left--10 top-1/2 aspect-square w-4.5 translate-y--1/2 c-secondary active:scale-90 hover:c-primary"
   aria-label="Back to home"
 >
   <svg

src/layouts/Layout.astro

@@ -158,7 +158,10 @@ const mobileFooterMargin = isPost && themeConfig.comment?.waline?.serverURL
           window.history.back()
         }
         else {
-          window.location.href = localizedHome
+          const siteTitle = document.querySelector(`h1 a[href="${localizedHome}"]`)
+          if (siteTitle) {
+            siteTitle.click()
+          }
         }
       })
     }