feat: 更新产品类型和内容，优化产品展示功能

- 重构产品类型定义，新增desc、models、content字段
- 更新所有语言的产品内容，包括详细规格和化学/机械性能
- 修改产品展示组件，支持MDX内容渲染和模型列表展示
- 调整产品详情页布局，优化信息展示方式
- 更新i18n翻译文件，同步产品名称变更
- 修改默认主题配置为light模式
- 修复公司简介中的格式问题

app/[locale]/product/[slug]/page.tsx

@@ -1,3 +1,4 @@
+import MDXComponents from "@/components/mdx/MDXComponents";
 import ProductTabsClient from "@/components/ProductTabsClient";
 import { Locale, LOCALES } from "@/i18n/routing";
 import { getProducts } from "@/lib/getProducts";
@@ -5,7 +6,9 @@ import { constructMetadata } from "@/lib/metadata";
 import { Product } from "@/types/product";
 import { Metadata } from "next";
 import { getTranslations } from "next-intl/server";
+import { MDXRemote } from "next-mdx-remote-client/rsc";
 import { notFound } from "next/navigation";
+import remarkGfm from "remark-gfm"; // 引入表格解析插件
 
 type Params = {
   locale: string;
@@ -23,7 +26,7 @@ export async function generateMetadata({
 
   try {
     const { products }: { products: Product[] } = await getProducts(locale);
-    const product = products.find((product) => product.slug === slug);
+    const product = products.find((product) => product.slug == slug);
 
     if (!product) {
       return constructMetadata({
@@ -117,8 +120,8 @@ export default async function ProductPage({ params }: { params: Promise<Params>
               <h1 className="text-xl font-bold mb-3">{product.title || "未命名产品"}</h1>
               <div className="space-y-2 mb-6">
                 <div>
-                  <span className="font-medium">{t("productModel")}：</span>
-                  <span>{product.model || "暂无"}</span>
+                  <span className="font-medium">{t('productDetail')}：</span>
+                  <span>{product.desc || "暂无"}</span>
                 </div>
                 <div>
                   <span className="font-medium">{t("productPlace")}：</span>
@@ -155,10 +158,17 @@ export default async function ProductPage({ params }: { params: Promise<Params>
 
         <ProductTabsClient
           locale={locale}
-          detail={product.detail}
+          detail={product.desc}
+          models={product.models}
           spec={product.spec}
           packaging={product.packaging}
         />
+
+        <MDXRemote source={product.content || ""} components={MDXComponents} options={{
+          mdxOptions: {
+            remarkPlugins: [remarkGfm], // 加入表格解析插件
+          },
+        }} />
       </div>
     </div>