import type { Metadata } from "next"; import { headers } from "next/headers"; import "./globals.css"; export async function generateMetadata(): Promise { const requestHeaders = await headers(); const host = requestHeaders.get("x-forwarded-host") ?? requestHeaders.get("host") ?? "localhost:3000"; const protocol = requestHeaders.get("x-forwarded-proto") ?? (host.startsWith("localhost") ? "http" : "https"); const metadataBase = new URL(`${protocol}://${host}`); return { metadataBase, title: "高徳乐 AI 舵机选型助手", description: "高徳乐243款舵机＋配件，共286个产品型号，支持搜索筛选、AI舵机初选与样品申请。", openGraph: { title: "高徳乐 AI 舵机选型助手", description: "243款舵机＋配件，共286个型号。3分钟找到适合你的舵机，AI初选，工程师复核。", images: [{ url: new URL("/og.png", metadataBase).toString(), width: 1200, height: 630 }], type: "website", }, twitter: { card: "summary_large_image", title: "高徳乐 AI 舵机选型助手", description: "3分钟，找到适合你的舵机。", images: [new URL("/og.png", metadataBase).toString()], }, }; } export default function RootLayout({ children }: Readonly<{ children: React.ReactNode }>) { return ( {children} ); }