feat: 交互体验专项优化（7 项）

- 登录回跳贯通：邮箱登录成功后按 ?redirect= 回到原页面（投票/收藏/评论的登录拦截闭环）
- 收藏按钮的登录跳转补上 redirect 参数
- 营销路由组 loading.tsx 骨架屏（客户端导航即时反馈）
- 投票按钮/收藏爱心按下缩放微交互
- 移动端抽屉滑入动画（keyframes + animate-drawer-in）
- 工具列表空状态加'清除搜索与筛选'按钮（en/zh）
- 品牌 404 页（图标 + Back to home / Browse tools 双入口）

packages/core/src/features/auth/components/login-form.tsx

@@ -44,7 +44,12 @@ export function LoginForm() {
         return;
       }
 
-      router.push(`/${locale}/`);
+      // 登录成功后回跳原页面（投票/收藏/评论的登录拦截会带 ?redirect= 参数）
+      const redirect =
+        typeof window !== "undefined"
+          ? new URLSearchParams(window.location.search).get("redirect")
+          : null;
+      router.push(redirect || `/${locale}/`);
     } catch (err) {
       setError(t('errors.loginFailed'));
     } finally {

packages/core/src/features/tools/components/favorite-button.tsx

@@ -53,7 +53,9 @@ export function FavoritesProvider({ children }: { children: React.ReactNode }) {
     (toolId: string) => {
       if (!isAuthenticated) {
         toast(t("loginRequired"));
-        router.push(`/${locale}/login`);
+        router.push(
+          `/${locale}/login?redirect=${encodeURIComponent(window.location.pathname)}`
+        );
         return;
       }
 
@@ -161,7 +163,7 @@ export function FavoriteButton({
         ctx.toggle(toolId);
       }}
       className={cn(
-        "rounded-full p-2 transition-colors",
+        "rounded-full p-2 transition-all active:scale-125",
         favorited
           ? "text-red-500 hover:text-red-600"
           : "text-muted-foreground/50 hover:text-red-500"

packages/core/src/features/tools/components/tools-list.tsx

@@ -49,6 +49,7 @@ interface ToolsTranslations {
   pricingPaid: string;
   sortLatest: string;
   sortTrending: string;
+  clearFilters: string;
 }
 
 interface UseCaseOption {
@@ -351,6 +352,12 @@ export function ToolsList({
           <p className="text-muted-foreground">
             {translations.noTools}
           </p>
+          <button
+            onClick={() => router.push(`/${locale}/tools`)}
+            className="mt-3 inline-flex items-center gap-1 text-sm font-medium text-primary hover:underline"
+          >
+            {translations.clearFilters}
+          </button>
         </div>
       )}
 

packages/core/src/features/voting/components/vote-button.tsx

@@ -186,7 +186,7 @@ export function VoteButton({
         aria-pressed={voted}
         aria-label={voted ? t("unvote") : t("vote")}
         className={cn(
-          "flex h-fit min-w-[4.5rem] flex-col items-center gap-0.5 rounded-xl border px-3 py-2.5 transition-colors",
+          "flex h-fit min-w-[4.5rem] flex-col items-center gap-0.5 rounded-xl border px-3 py-2.5 transition-all active:scale-95",
           voted
             ? "border-primary/60 bg-primary/10 text-primary"
             : "border-border text-foreground hover:border-primary/40 hover:bg-primary/5"
@@ -205,7 +205,7 @@ export function VoteButton({
         onClick={() => ctx.toggle(toolId)}
         aria-pressed={voted}
         className={cn(
-          "flex w-full items-center justify-center gap-2 rounded-lg border px-4 py-2.5 text-sm font-medium transition-colors",
+          "flex w-full items-center justify-center gap-2 rounded-lg border px-4 py-2.5 text-sm font-medium transition-all active:scale-[0.98]",
           voted
             ? "border-primary/60 bg-primary/10 text-primary"
             : "border-border text-foreground hover:bg-hover"

packages/core/src/kit/theme-header.tsx

@@ -127,7 +127,7 @@ export function ThemeHeader({
 
       {/* Mobile 抽屉 */}
       {open && (
-        <nav className="border-t border-border bg-background px-4 py-3 lg:hidden" aria-label="Mobile">
+        <nav className="animate-drawer-in border-t border-border bg-background px-4 py-3 lg:hidden" aria-label="Mobile">
           {navItems.map((item) => (
             <LocaleLink
               key={item.href}

packages/core/src/pages/[locale]/(marketing)/loading.tsx

@@ -0,0 +1,21 @@
+/**
+ * # 组件 MarketingLoading
+ * 说明：营销路由组的加载骨架屏 —— 客户端导航时即时反馈，替代"冻结"的旧页面。
+ */
+export default function Loading() {
+  return (
+    <div className="mx-auto max-w-7xl px-4 py-16 sm:px-6">
+      <div className="mx-auto mb-4 h-8 w-64 animate-pulse rounded-lg bg-secondary" />
+      <div className="mx-auto mb-10 h-4 w-96 max-w-full animate-pulse rounded bg-secondary" />
+      <div className="grid gap-3 md:grid-cols-2 lg:grid-cols-3">
+        {Array.from({ length: 6 }).map((_, i) => (
+          <div
+            key={i}
+            className="h-28 animate-pulse rounded-xl border border-border bg-secondary/50"
+            style={{ animationDelay: `${i * 90}ms` }}
+          />
+        ))}
+      </div>
+    </div>
+  );
+}

packages/core/src/pages/[locale]/(marketing)/tools/page.tsx

@@ -92,6 +92,7 @@ export default async function ToolsPage({ searchParams }: ToolsPageProps) {
     pricingPaid: t("pricing.paid"),
     sortLatest: t("sort.latest"),
     sortTrending: t("sort.trending"),
+    clearFilters: t("clearFilters"),
   };
 
   const baseUrl = process.env.NEXT_PUBLIC_APP_URL || 'https://toolso.ai';

packages/core/src/pages/not-found.tsx

@@ -1,16 +1,36 @@
 import Link from 'next/link';
 import { defaultLocale } from '@/i18n.config';
 
+/**
+ * # 组件 NotFound
+ * 说明：品牌化 404 页（图标 + 双入口：首页 / 工具目录）。
+ */
 export default function NotFound() {
   return (
     <html>
-      <body>
-        <div style={{ textAlign: 'center', padding: '100px' }}>
-          <h1>404 - Page Not Found</h1>
-          <p>The page you are looking for doesn&apos;t exist.</p>
-          <Link href={`/${defaultLocale}`}>
-            Go to Homepage
-          </Link>
+      <body style={{ margin: 0, fontFamily: 'system-ui, sans-serif', background: '#fafafa', color: '#0a0a0a' }}>
+        <div style={{ minHeight: '100vh', display: 'flex', alignItems: 'center', justifyContent: 'center', padding: '24px' }}>
+          <div style={{ textAlign: 'center', maxWidth: '420px' }}>
+            <div style={{ width: 64, height: 64, margin: '0 auto 20px', borderRadius: 16, background: '#0a0a0a', display: 'flex', alignItems: 'center', justifyContent: 'center' }}>
+              <svg xmlns="http://www.w3.org/2000/svg" width="32" height="32" viewBox="0 0 24 24" fill="none" stroke="#fff" strokeWidth="1.8" strokeLinecap="round" strokeLinejoin="round">
+                <path d="M15 21v-8a1 1 0 0 0-1-1h-4a1 1 0 0 0-1 1v8" />
+                <path d="M3 10a2 2 0 0 1 .709-1.528l7-5.999a2 2 0 0 1 2.582 0l7 5.999A2 2 0 0 1 21 10v9a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2z" />
+              </svg>
+            </div>
+            <p style={{ fontSize: 13, letterSpacing: '0.2em', color: '#737373', margin: '0 0 8px' }}>404</p>
+            <h1 style={{ fontSize: 24, margin: '0 0 8px' }}>Page not found</h1>
+            <p style={{ fontSize: 14, color: '#525252', lineHeight: 1.6, margin: '0 0 24px' }}>
+              The page you are looking for doesn&apos;t exist or may have moved.
+            </p>
+            <div style={{ display: 'flex', gap: 12, justifyContent: 'center' }}>
+              <Link href={`/${defaultLocale}`} style={{ display: 'inline-block', padding: '10px 20px', borderRadius: 8, background: '#0a0a0a', color: '#fff', textDecoration: 'none', fontSize: 14 }}>
+                Back to home
+              </Link>
+              <Link href={`/${defaultLocale}/tools`} style={{ display: 'inline-block', padding: '10px 20px', borderRadius: 8, border: '1px solid #e5e5e5', color: '#0a0a0a', textDecoration: 'none', fontSize: 14 }}>
+                Browse tools
+              </Link>
+            </div>
+          </div>
         </div>
       </body>
     </html>

packages/core/src/styles/globals.css

@@ -104,3 +104,18 @@ html {
     text-wrap: balance;
   }
 }
+
+/* 移动端抽屉滑入动画（交互反馈） */
+@keyframes bu-drawer-in {
+  from {
+    opacity: 0;
+    transform: translateY(-8px);
+  }
+  to {
+    opacity: 1;
+    transform: translateY(0);
+  }
+}
+.animate-drawer-in {
+  animation: bu-drawer-in 0.18s ease-out;
+}