From ed64eb9e76f91d74d48f3cf607ce60ea89953e66 Mon Sep 17 00:00:00 2001
From: AI Directory Platform <dev@aidirectory.local>
Date: Tue, 8 Sep 2026 20:05:39 +0000
Subject: [PATCH] =?UTF-8?q?fix:=20=E6=B5=8F=E8=A7=88=E5=99=A8=E4=BD=93?=
 =?UTF-8?q?=E9=AA=8C=E9=AA=8C=E6=94=B6=E5=8F=91=E7=8E=B0=E7=9A=84=E4=B8=A4?=
 =?UTF-8?q?=E4=B8=AA=E9=97=AE=E9=A2=98?=
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- 移动端 (<640px) header 横向溢出 84px：语言切换器在 sm 以下隐藏，三站溢出归零
- 工具详情页 meta description 过短（36ch）：改为 tagline+description 组合截断 155ch
---
 packages/core/src/kit/theme-header.tsx                |  5 ++++-
 .../pages/[locale]/(marketing)/tools/[slug]/page.tsx  | 11 ++++++++++-
 2 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/packages/core/src/kit/theme-header.tsx b/packages/core/src/kit/theme-header.tsx
index 1b5eb81..6026604 100644
--- a/packages/core/src/kit/theme-header.tsx
+++ b/packages/core/src/kit/theme-header.tsx
@@ -105,7 +105,10 @@ export function ThemeHeader({
               </div>
             </form>
           )}
-          <LanguageSwitcher />
+          {/* 语言切换器：小屏隐藏（避免 375-420px 视口撑破 header） */}
+          <div className="hidden sm:block">
+            <LanguageSwitcher />
+          </div>
           <ModeToggle />
           <UserMenu />
 
diff --git a/packages/core/src/pages/[locale]/(marketing)/tools/[slug]/page.tsx b/packages/core/src/pages/[locale]/(marketing)/tools/[slug]/page.tsx
index 8b638a2..62b2e89 100644
--- a/packages/core/src/pages/[locale]/(marketing)/tools/[slug]/page.tsx
+++ b/packages/core/src/pages/[locale]/(marketing)/tools/[slug]/page.tsx
@@ -130,11 +130,20 @@ export async function generateMetadata({ params }: ToolDetailPageProps) {
   const description =
     locale === "zh" && tool.descriptionZh ? tool.descriptionZh : tool.descriptionEn;
 
+  // meta description：tagline + 描述组合并截断到 ~155ch（SEO 最佳实践）
+  const metaDescBase =
+    [tool.taglineEn, description, tool.descriptionEn]
+      .filter(Boolean)
+      .join(". ")
+      .replace(/\.\s*\./g, ".") || `${t("subtitle")} - ${name}`;
+  const metaDescription =
+    metaDescBase.length > 155 ? `${metaDescBase.slice(0, 152)}...` : metaDescBase;
+
   return generatePageMetadata({
     locale,
     path: `/tools/${slug}`,
     title: `${name} - ${t("title")}`,
-    description: tool.taglineEn || description || `${t("subtitle")} - ${name}`,
+    description: metaDescription,
     ogImage: tool.coverImageUrl || tool.logoUrl || undefined,
   });
 }