From 45654b1ef71df1c64d6fba0cd71ec208c0b71741 Mon Sep 17 00:00:00 2001
From: TermiNexus <wyt18222152539wyt@163.com>
Date: Thu, 13 Aug 2026 10:40:46 +0800
Subject: [PATCH] =?UTF-8?q?fix(site):=20nav=20=E9=80=8F=E6=98=8E=E4=BB=85?=
 =?UTF-8?q?=E9=99=90=20www=20=E9=A6=96=E9=A1=B5=E2=80=94=E2=80=94=E5=85=B6?=
 =?UTF-8?q?=E4=BD=99=E9=A1=B5=E9=9D=A2=E4=BF=9D=E6=8C=81=E7=99=BD=E5=BA=95?=
 =?UTF-8?q?=E4=B8=8D=E9=80=8F=E6=98=8E=EF=BC=8C=E8=B7=AF=E7=94=B1=E5=88=87?=
 =?UTF-8?q?=E6=8D=A2=E7=AB=8B=E5=8D=B3=E6=A0=A1=E6=AD=A3?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/layouts/SiteLayout.vue | 19 ++++++++++++-------
 1 file changed, 12 insertions(+), 7 deletions(-)

diff --git a/src/layouts/SiteLayout.vue b/src/layouts/SiteLayout.vue
index 7381493..d481f38 100644
--- a/src/layouts/SiteLayout.vue
+++ b/src/layouts/SiteLayout.vue
@@ -408,14 +408,11 @@ function hideResultsSoon(): void {
   }, 200)
 }
 
-/** 滚动时 header 透明/白底切换（对齐 nav.js） */
+/** 滚动时 header 透明/白底切换（对齐 nav.js）
+ *  仅 www 首页（HomeView）在页面顶部时透明，其余页面保持白底不透明 */
 function handleScroll(): void {
-  const isMegaOpen = activeMega.value !== null
-  if (isMegaOpen && window.scrollY <= 200) {
-    navTheme.value = 'light'
-    return
-  }
-  navTheme.value = window.scrollY <= 5 ? 'light' : 'dark'
+  const isHome = router.currentRoute.value.name === 'Home'
+  navTheme.value = isHome && window.scrollY <= 5 ? 'light' : 'dark'
 }
 
 /** 头像加载（对齐 main.js） */
@@ -447,6 +444,14 @@ watch(
     handleScroll()
   }
 )
+
+// 路由切换后立即校正 nav 透明态（离开首页 → 恢复白底不透明）
+watch(
+  () => router.currentRoute.value.fullPath,
+  () => {
+    handleScroll()
+  }
+)
 </script>
 
 <style scoped>