update

src/components/HomepageFeatures.tsx

@@ -0,0 +1,51 @@
+import React from 'react';
+import clsx from 'clsx';
+import styles from './HomepageFeatures.module.css';
+
+interface FeatureItem {
+  title: string;
+  description: string;
+}
+
+const FeatureList: FeatureItem[] = [
+  {
+    title: '📚 系统化文档',
+    description:
+      '涵盖后端（Spring Boot/Cloud）、前端（React/Vue）和算法（LeetCode），分门别类，清晰索引。',
+  },
+  {
+    title: '⚡ 快速检索',
+    description:
+      '集成 Algolia DocSearch，毫秒级全文检索，快速定位任意知识点。',
+  },
+  {
+    title: '🌐 持续更新',
+    description:
+      '由技术团队持续维护，定期同步最新技术栈实践和面试题解析。',
+  },
+];
+
+function Feature({ title, description }: FeatureItem): JSX.Element {
+  return (
+    <div className={clsx('col col--4')}>
+      <div className="text--center padding-horiz--md">
+        <h3>{title}</h3>
+        <p>{description}</p>
+      </div>
+    </div>
+  );
+}
+
+export default function HomepageFeatures(): JSX.Element {
+  return (
+    <section className={styles.features}>
+      <div className="container">
+        <div className="row">
+          {FeatureList.map((props, idx) => (
+            <Feature key={idx} {...props} />
+          ))}
+        </div>
+      </div>
+    </section>
+  );
+}