'init'

app/components/Hero.tsx

@@ -0,0 +1,111 @@
+"use client";
+
+import { useState, useEffect } from "react";
+import Link from "next/link";
+import { HERO_CONFIG, CURRICULUM_CONFIG } from "@/config/course";
+import { isPaid } from "@/app/lib/payment";
+import { getLastWatched, getProgress } from "@/app/lib/learning";
+import { ParticleBackground } from "./ParticleBackground";
+
+const TOTAL_LESSONS = CURRICULUM_CONFIG.modules.reduce((s, m) => s + m.lessons.length, 0);
+
+export function Hero() {
+  const [paid, setPaid] = useState(false);
+  const [last, setLast] = useState<ReturnType<typeof getLastWatched>>(null);
+  const [progress, setProgress] = useState({ completed: 0, percent: 0 });
+
+  useEffect(() => {
+    setPaid(isPaid());
+    setLast(getLastWatched());
+    setProgress(getProgress(TOTAL_LESSONS));
+    const onPay = () => setPaid(isPaid());
+    const onProgress = () => {
+      setLast(getLastWatched());
+      setProgress(getProgress(TOTAL_LESSONS));
+    };
+    window.addEventListener("pay:updated", onPay);
+    window.addEventListener("learning:progress", onProgress);
+    return () => {
+      window.removeEventListener("pay:updated", onPay);
+      window.removeEventListener("learning:progress", onProgress);
+    };
+  }, []);
+
+  return (
+    <section className="relative overflow-hidden pt-24 pb-16 sm:pt-28 sm:pb-20 md:pt-32 md:pb-24">
+      <div className="absolute inset-0 bg-[radial-gradient(ellipse_80%_50%_at_50%_-20%,var(--gradient-accent),transparent)] animate-gradient" />
+      <ParticleBackground />
+      <div className="relative mx-auto max-w-4xl px-4 text-center sm:px-6">
+        <h1
+          className="mb-4 text-3xl font-bold tracking-tight animate__animated animate__fadeInDown sm:text-4xl md:text-5xl lg:text-6xl"
+          style={{ animationDelay: "0.1s", animationFillMode: "both" }}
+        >
+          {HERO_CONFIG.title}
+        </h1>
+        <p
+          className="mb-10 text-lg text-[var(--muted-foreground)] animate__animated animate__fadeInDown sm:mb-12 sm:text-xl md:text-2xl"
+          style={{ animationDelay: "0.25s", animationFillMode: "both" }}
+        >
+          {HERO_CONFIG.subtitle}
+        </p>
+        <div
+          className="mb-10 flex flex-wrap justify-center gap-6 animate__animated animate__fadeInDown sm:mb-12 sm:gap-8"
+          style={{ animationDelay: "0.4s", animationFillMode: "both" }}
+        >
+          {HERO_CONFIG.stats.map((s) => (
+            <div key={s.label} className="text-center transition-transform duration-300 hover:scale-105">
+              <div className="text-2xl font-bold text-[var(--accent)] sm:text-3xl md:text-4xl">
+                {s.value}
+              </div>
+              <div className="mt-1 text-xs text-[var(--muted-foreground)] sm:text-sm">
+                {s.label}
+              </div>
+            </div>
+          ))}
+        </div>
+        <div
+          className="flex flex-wrap justify-center gap-3 animate__animated animate__fadeInDown sm:gap-4"
+          style={{ animationDelay: "0.6s", animationFillMode: "both" }}
+        >
+          {paid && last ? (
+            <Link
+              href={`/course/${last.moduleIndex}/${last.lessonIndex}`}
+              className="inline-flex shrink-0 items-center gap-2 rounded-full bg-[var(--accent)] px-8 py-4 text-lg font-semibold text-[var(--accent-foreground)] transition hover:opacity-90 sm:px-10"
+            >
+              继续学习 →
+            </Link>
+          ) : (
+            <Link
+              href={paid ? "/course/0/0" : "/pay"}
+              className="inline-flex shrink-0 items-center gap-2 rounded-full bg-[var(--accent)] px-8 py-4 text-lg font-semibold text-[var(--accent-foreground)] transition hover:opacity-90 sm:px-10"
+            >
+              {paid ? "进入课程 →" : "立即报名 →"}
+            </Link>
+          )}
+        </div>
+        {paid && progress.completed > 0 && (
+          <div
+            className="mt-6 w-full max-w-xs animate__animated animate__fadeInDown"
+            style={{ animationDelay: "0.7s", animationFillMode: "both" }}
+          >
+            <div className="mb-1 flex justify-between text-xs text-[var(--muted-foreground)]">
+              <span>学习进度</span>
+              <span>{progress.completed}/{TOTAL_LESSONS} 节</span>
+            </div>
+            <div className="h-2 overflow-hidden rounded-full bg-[var(--muted)]">
+              <div
+                className="h-full rounded-full bg-[var(--accent)] transition-all"
+                style={{ width: `${progress.percent}%` }}
+              />
+            </div>
+            {progress.percent >= 100 && (
+              <Link href="/certificate" className="mt-2 inline-block text-sm font-medium text-[var(--accent)] hover:underline">
+                查看证书 →
+              </Link>
+            )}
+          </div>
+        )}
+      </div>
+    </section>
+  );
+}