diff --git a/frontend/src/app/blog/[slug]/page.tsx b/frontend/src/app/blog/[slug]/page.tsx
index 894cb1e..fa000c4 100644
--- a/frontend/src/app/blog/[slug]/page.tsx
+++ b/frontend/src/app/blog/[slug]/page.tsx
@@ -64,6 +64,16 @@ export default async function BlogDetailPage({ params }: { params: Promise<{ slu
           </div>
         </section>
       )}
+
+      <section className="blog-related" style={{ marginTop: "2rem" }}>
+        <h2>接着探索</h2>
+        <div className="dating-empty-actions" style={{ justifyContent: "flex-start" }}>
+          <Link href="/community" className="btn btn-primary btn-sm">社区讨论</Link>
+          <Link href="/book" className="btn btn-sm">电子书</Link>
+          <Link href="/next-stop" className="btn btn-sm">下一站</Link>
+          <Link href="/submit" className="btn btn-ghost btn-sm">投稿</Link>
+        </div>
+      </section>
       </div>
     </SiteShell>
   );
diff --git a/frontend/src/app/globals.css b/frontend/src/app/globals.css
index bf0403b..15f4e10 100644
--- a/frontend/src/app/globals.css
+++ b/frontend/src/app/globals.css
@@ -4532,6 +4532,12 @@ img { max-width: 100%; display: block; }
   margin: 24px 0;
 }
 
+.dest-depth-loading {
+  color: var(--text-muted);
+  font-size: 0.9rem;
+  margin: 0 0 1rem;
+}
+
 .dest-detail-extras {
   display: grid;
   grid-template-columns: 1.2fr 1fr;
@@ -10641,6 +10647,12 @@ img { max-width: 100%; display: block; }
   color: var(--text-primary);
 }
 
+.newsletter-note {
+  margin-top: 10px;
+  font-size: 0.8rem;
+  color: var(--text-muted);
+}
+
 @media (max-width: 768px) {
   .report-grid { grid-template-columns: 1fr; }
 }
diff --git a/frontend/src/app/tools/page.tsx b/frontend/src/app/tools/page.tsx
index bc0dec3..e8a73ce 100644
--- a/frontend/src/app/tools/page.tsx
+++ b/frontend/src/app/tools/page.tsx
@@ -104,7 +104,27 @@ export default function ToolsHubPage() {
               </button>
             </div>
           )}
-          {filtered.length === 0 && <p className="dest-empty">没有匹配的工具，试试其他关键词</p>}
+          {filtered.length === 0 && (
+            <div className="notif-empty">
+              <p className="dest-empty">没有匹配的工具，试试其他关键词</p>
+              <div className="dating-empty-actions">
+                <button
+                  type="button"
+                  className="btn btn-sm"
+                  onClick={() => {
+                    setQ("");
+                    setFilter("all");
+                    setShowAll(false);
+                  }}
+                >
+                  清除筛选
+                </button>
+                <Link href="/next-stop" className="btn btn-primary btn-sm">
+                  去下一站
+                </Link>
+              </div>
+            </div>
+          )}
         </div>
       </div>
     </SiteShell>
diff --git a/frontend/src/components/ContentSubmitClient.tsx b/frontend/src/components/ContentSubmitClient.tsx
index f36fea3..094e0bc 100644
--- a/frontend/src/components/ContentSubmitClient.tsx
+++ b/frontend/src/components/ContentSubmitClient.tsx
@@ -1,6 +1,6 @@
 "use client";
 
-import { useEffect, useState } from "react";
+import { useState } from "react";
 import Link from "next/link";
 import { useRouter } from "next/navigation";
 import { api } from "@/lib/api";
@@ -17,43 +17,102 @@ export default function ContentSubmitClient() {
   const [url, setUrl] = useState("");
   const [notes, setNotes] = useState("");
   const [contentType, setContentType] = useState("article");
+  const [busy, setBusy] = useState(false);
+  const [done, setDone] = useState(false);
 
   const submit = async () => {
     if (!token) {
       router.push("/login?next=/submit");
       return;
     }
+    if (!title.trim() || title.trim().length < 4) {
+      toast("请填写更完整的标题", "info");
+      return;
+    }
+    setBusy(true);
     try {
-      await api.submitContent({ title, url, notes, content_type: contentType, name: "" }, token);
+      await api.submitContent(
+        {
+          title: title.trim(),
+          url: url.trim(),
+          notes: notes.trim(),
+          content_type: contentType,
+          name: "",
+        },
+        token
+      );
       toast(t.submit.ok, "success");
       setTitle("");
       setUrl("");
       setNotes("");
+      setDone(true);
     } catch {
       toast(t.submit.fail, "error");
+    } finally {
+      setBusy(false);
     }
   };
 
   return (
     <div className="community-page">
       <div className="container">
-        <nav className="detail-nav"><Link href="/">{t.common.backHome}</Link></nav>
+        <nav className="detail-nav">
+          <Link href="/">{t.common.backHome}</Link>
+        </nav>
         <div className="section-header reveal">
           <span className="section-tag">{t.submit.tag}</span>
           <h1>{t.submit.title}</h1>
           <p>{t.submit.subtitle}</p>
         </div>
-        <div className="community-compose reveal">
-          <select value={contentType} onChange={(e) => setContentType(e.target.value)}>
-            <option value="article">{t.submit.article}</option>
-            <option value="video">{t.submit.video}</option>
-            <option value="ebook">{t.submit.ebook}</option>
-          </select>
-          <input placeholder={t.submit.subject} value={title} onChange={(e) => setTitle(e.target.value)} />
-          <input placeholder={t.submit.url} value={url} onChange={(e) => setUrl(e.target.value)} />
-          <textarea rows={4} placeholder={t.submit.notes} value={notes} onChange={(e) => setNotes(e.target.value)} />
-          <button type="button" className="btn btn-primary" onClick={submit}>{t.submit.send}</button>
-        </div>
+        {done ? (
+          <div className="dating-gate reveal">
+            <h2>投稿已收到</h2>
+            <p>审核通过后会出现在博客或视频区</p>
+            <div className="dating-empty-actions">
+              <button type="button" className="btn btn-primary" onClick={() => setDone(false)}>
+                再投一篇
+              </button>
+              <Link href="/community" className="btn">
+                去社区
+              </Link>
+            </div>
+          </div>
+        ) : (
+          <div className="community-compose reveal">
+            <select value={contentType} onChange={(e) => setContentType(e.target.value)}>
+              <option value="article">{t.submit.article}</option>
+              <option value="video">{t.submit.video}</option>
+              <option value="ebook">{t.submit.ebook}</option>
+            </select>
+            <input
+              placeholder={t.submit.subject}
+              value={title}
+              onChange={(e) => setTitle(e.target.value)}
+              maxLength={120}
+            />
+            <input
+              placeholder={t.submit.url}
+              value={url}
+              onChange={(e) => setUrl(e.target.value)}
+              maxLength={500}
+            />
+            <textarea
+              rows={4}
+              placeholder={t.submit.notes}
+              value={notes}
+              onChange={(e) => setNotes(e.target.value)}
+              maxLength={2000}
+            />
+            <button type="button" className="btn btn-primary" disabled={busy} onClick={() => void submit()}>
+              {busy ? "提交中…" : t.submit.send}
+            </button>
+            {!token && (
+              <p className="section-desc">
+                <Link href="/login?next=/submit">{t.nav.login}</Link> 后可提交
+              </p>
+            )}
+          </div>
+        )}
       </div>
     </div>
   );
diff --git a/frontend/src/components/DatingLikesClient.tsx b/frontend/src/components/DatingLikesClient.tsx
index 740a9b9..fd91432 100644
--- a/frontend/src/components/DatingLikesClient.tsx
+++ b/frontend/src/components/DatingLikesClient.tsx
@@ -11,10 +11,19 @@ export default function DatingLikesClient() {
   const { user, token } = useAuth();
   const { t } = useI18n();
   const [likes, setLikes] = useState<MatchProfile[]>([]);
+  const [loading, setLoading] = useState(Boolean(token));
 
   useEffect(() => {
-    if (!token) return;
-    api.getMatchLikes(token).then(setLikes).catch(() => setLikes([]));
+    if (!token) {
+      setLoading(false);
+      return;
+    }
+    setLoading(true);
+    api
+      .getMatchLikes(token)
+      .then(setLikes)
+      .catch(() => setLikes([]))
+      .finally(() => setLoading(false));
   }, [token]);
 
   if (!user) {
@@ -23,7 +32,9 @@ export default function DatingLikesClient() {
         <div className="container">
           <div className="dating-gate reveal">
             <h2>{t.dating.loginTitle}</h2>
-            <Link href="/login?next=/dating/likes" className="btn btn-primary">{t.nav.login}</Link>
+            <Link href="/login?next=/dating/likes" className="btn btn-primary">
+              {t.nav.login}
+            </Link>
           </div>
         </div>
       </div>
@@ -41,15 +52,35 @@ export default function DatingLikesClient() {
           <h1>{t.dating.likesTitle}</h1>
           <p>{t.dating.likesSubtitle}</p>
         </div>
+        {loading && <p className="dest-empty">加载中…</p>}
+        {!loading && likes.length === 0 && (
+          <div className="notif-empty reveal">
+            <p className="dest-empty">{t.dating.likesEmpty}</p>
+            <Link href="/dating" className="btn btn-primary btn-sm">
+              去滑动匹配
+            </Link>
+          </div>
+        )}
         <div className="dating-likes-grid">
-          {likes.map((p) => (
-            <div key={p.id} className="dating-like-card reveal">
-              <div className="dating-like-photo">{p.photo || "🧑‍💻"}</div>
-              <strong>{p.name}</strong>
-              <p className="dating-meta">{p.location}</p>
-            </div>
-          ))}
-          {likes.length === 0 && <p className="dest-empty">{t.dating.likesEmpty}</p>}
+          {!loading &&
+            likes.map((p) => {
+              const photo = p.photo || "";
+              const href = p.userId ? `/members/${p.userId}` : "/dating";
+              return (
+                <Link key={p.id} href={href} className="dating-like-card reveal">
+                  <div className="dating-like-photo">
+                    {photo.startsWith("http") ? (
+                      // eslint-disable-next-line @next/next/no-img-element
+                      <img src={photo} alt="" className="member-photo-img" />
+                    ) : (
+                      photo || "🧑‍💻"
+                    )}
+                  </div>
+                  <strong>{p.name}</strong>
+                  <p className="dating-meta">{p.location || "全球"}</p>
+                </Link>
+              );
+            })}
         </div>
       </div>
     </div>
diff --git a/frontend/src/components/DestinationDetailClient.tsx b/frontend/src/components/DestinationDetailClient.tsx
index 65d8624..003be3b 100644
--- a/frontend/src/components/DestinationDetailClient.tsx
+++ b/frontend/src/components/DestinationDetailClient.tsx
@@ -41,6 +41,7 @@ export default function DestinationDetailClient({ dest, allDestinations }: Props
   const [content, setContent] = useState<CityContentItem[]>([]);
   const [meetups, setMeetups] = useState<Meetup[]>([]);
   const [discussions, setDiscussions] = useState<Discussion[]>([]);
+  const [depthLoading, setDepthLoading] = useState(true);
   const scores = getScores(dest);
   const visa = useMemo(() => stayHint(dest.country, months), [dest.country, months]);
   const budget = useMemo(() => loadPlanMeta().monthlyBudget, []);
@@ -51,12 +52,22 @@ export default function DestinationDetailClient({ dest, allDestinations }: Props
     .slice(0, 3);
 
   useEffect(() => {
-    api.getDestinationFull(dest.slug).then((full) => {
-      setDetail(full.detail);
-      setContent(full.content || []);
-      setMeetups(full.meetups || []);
-      setDiscussions(full.discussions || []);
-    }).catch(() => {});
+    setDepthLoading(true);
+    api
+      .getDestinationFull(dest.slug)
+      .then((full) => {
+        setDetail(full.detail);
+        setContent(full.content || []);
+        setMeetups(full.meetups || []);
+        setDiscussions(full.discussions || []);
+      })
+      .catch(() => {
+        setDetail(null);
+        setContent([]);
+        setMeetups([]);
+        setDiscussions([]);
+      })
+      .finally(() => setDepthLoading(false));
   }, [dest.slug]);
 
   const addToTrip = () => {
@@ -113,13 +124,17 @@ export default function DestinationDetailClient({ dest, allDestinations }: Props
               />
               月
             </label>
-            <button className="btn btn-primary" onClick={addToTrip}>🗓️ 加入旅居计划</button>
+            <button type="button" className="btn btn-primary" onClick={addToTrip}>🗓️ 加入旅居计划</button>
           </>
         )}
+        <Link href={`/compare?cities=${dest.slug}`} className="btn btn-ghost">⚖️ 去对比</Link>
+        <Link href="/next-stop" className="btn btn-ghost">🧭 找下一站</Link>
         <Link href="/meetups" className="btn btn-ghost">🍹 同城活动</Link>
-        <button className="btn btn-ghost" onClick={share}>📤 分享</button>
+        <button type="button" className="btn btn-ghost" onClick={share}>📤 分享</button>
       </div>
 
+      {depthLoading && <p className="dest-depth-loading">加载城市深度信息…</p>}
+
       {(visa || overBudget) && (
         <div className="dest-plan-hints">
           {visa && (
diff --git a/frontend/src/components/FavoriteButton.tsx b/frontend/src/components/FavoriteButton.tsx
index 02f0a94..956ad4a 100644
--- a/frontend/src/components/FavoriteButton.tsx
+++ b/frontend/src/components/FavoriteButton.tsx
@@ -1,14 +1,22 @@
 "use client";
 
-import { useAuth } from "@/lib/auth";
 import Link from "next/link";
+import { usePathname } from "next/navigation";
+import { useAuth } from "@/lib/auth";
+import { loginNextFrom } from "@/lib/authNext";
 
 export default function FavoriteButton({ slug }: { slug: string }) {
   const { user, isFavorite, toggleFavorite } = useAuth();
+  const pathname = usePathname();
+  const next = loginNextFrom(pathname || `/destinations/${slug}`);
 
   if (!user) {
     return (
-      <Link href="/login" className="btn btn-ghost" style={{ fontSize: "0.85rem" }}>
+      <Link
+        href={`/login?next=${encodeURIComponent(next)}`}
+        className="btn btn-ghost"
+        style={{ fontSize: "0.85rem" }}
+      >
         🤍 登录收藏
       </Link>
     );
@@ -16,8 +24,13 @@ export default function FavoriteButton({ slug }: { slug: string }) {
 
   const fav = isFavorite(slug);
   return (
-    <button className={`btn ${fav ? "btn-primary" : "btn-ghost"}`}
-      onClick={() => toggleFavorite(slug)} style={{ fontSize: "0.85rem" }}>
+    <button
+      type="button"
+      className={`btn ${fav ? "btn-primary" : "btn-ghost"}`}
+      onClick={() => void toggleFavorite(slug)}
+      style={{ fontSize: "0.85rem" }}
+      aria-pressed={fav}
+    >
       {fav ? "❤️ 已收藏" : "🤍 收藏"}
     </button>
   );
diff --git a/frontend/src/components/GlobalSearch.tsx b/frontend/src/components/GlobalSearch.tsx
index 62f0f25..8dfa74b 100644
--- a/frontend/src/components/GlobalSearch.tsx
+++ b/frontend/src/components/GlobalSearch.tsx
@@ -41,6 +41,7 @@ const CORE_PAGES: SearchResult[] = [
 
 /** Secondary pages only surface when the query matches — avoid dumping the sitemap. */
 const EXTRA_PAGES: SearchResult[] = [
+  { type: "page", title: "游牧代码电子书", subtitle: "在线阅读与下载版", emoji: "📖", url: "/book" },
   { type: "page", title: "游民访谈", subtitle: "真实旅居视频", emoji: "🎬", url: "/videos" },
   { type: "page", title: "游民服务", subtitle: "签证税务落地咨询", emoji: "🛎️", url: "/services" },
   { type: "page", title: "旅居助手", subtitle: "AI 推荐下一站城市", emoji: "🤖", url: "/ai" },
diff --git a/frontend/src/components/NewsletterSubscribe.tsx b/frontend/src/components/NewsletterSubscribe.tsx
index 4d46c98..dd6e9d4 100644
--- a/frontend/src/components/NewsletterSubscribe.tsx
+++ b/frontend/src/components/NewsletterSubscribe.tsx
@@ -9,15 +9,23 @@ export default function NewsletterSubscribe({ source = "meetups" }: { source?: s
   const { toast } = useToast();
   const { t } = useI18n();
   const [email, setEmail] = useState("");
+  const [busy, setBusy] = useState(false);
 
   const submit = async () => {
-    if (!email.trim()) return;
+    const value = email.trim();
+    if (!value || !value.includes("@")) {
+      toast("请输入有效邮箱", "info");
+      return;
+    }
+    setBusy(true);
     try {
-      const res = await api.subscribeNewsletter(email.trim(), source);
+      const res = await api.subscribeNewsletter(value, source);
       toast(res.message || t.newsletter.ok, "success");
       setEmail("");
     } catch {
       toast(t.newsletter.fail, "error");
+    } finally {
+      setBusy(false);
     }
   };
 
@@ -26,9 +34,19 @@ export default function NewsletterSubscribe({ source = "meetups" }: { source?: s
       <strong>{t.newsletter.title}</strong>
       <p>{t.newsletter.subtitle}</p>
       <div className="newsletter-form">
-        <input type="email" placeholder={t.newsletter.email} value={email} onChange={(e) => setEmail(e.target.value)} />
-        <button type="button" className="btn btn-primary btn-sm" onClick={submit}>{t.newsletter.submit}</button>
+        <input
+          type="email"
+          placeholder={t.newsletter.email}
+          value={email}
+          onChange={(e) => setEmail(e.target.value)}
+          onKeyDown={(e) => e.key === "Enter" && void submit()}
+          disabled={busy}
+        />
+        <button type="button" className="btn btn-primary btn-sm" disabled={busy} onClick={() => void submit()}>
+          {busy ? "…" : t.newsletter.submit}
+        </button>
       </div>
+      <p className="newsletter-note">先登记邮箱；邮件推送开通后会同步发送，不会假装已群发</p>
     </div>
   );
 }
diff --git a/frontend/src/components/ReportClient.tsx b/frontend/src/components/ReportClient.tsx
index 4381664..a9121ec 100644
--- a/frontend/src/components/ReportClient.tsx
+++ b/frontend/src/components/ReportClient.tsx
@@ -4,54 +4,79 @@ import { useEffect, useState } from "react";
 import Link from "next/link";
 import { api } from "@/lib/api";
 import { useI18n } from "@/lib/i18n";
+import RingNext from "@/components/RingNext";
+import { useRingSteps } from "@/lib/rings";
 
 export default function ReportClient() {
   const { t } = useI18n();
+  const rings = useRingSteps();
   const [ranking, setRanking] = useState<{ slug: string; name: string; score: number; nomads: string }[]>([]);
   const [members, setMembers] = useState<{ name: string; city: string; emoji: string }[]>([]);
+  const [loading, setLoading] = useState(true);
 
   useEffect(() => {
-    api.getCityRanking().then((r) => setRanking(r.items || [])).catch(() => {});
-    api.getMemberMap().then((r) => setMembers(r.members || [])).catch(() => {});
+    Promise.all([
+      api.getCityRanking().then((r) => setRanking(r.items || [])).catch(() => setRanking([])),
+      api.getMemberMap().then((r) => setMembers(r.members || [])).catch(() => setMembers([])),
+    ]).finally(() => setLoading(false));
   }, []);
 
   return (
     <div className="community-page">
       <div className="container">
-        <nav className="detail-nav"><Link href="/">{t.common.backHome}</Link></nav>
+        <nav className="detail-nav">
+          <Link href="/">{t.common.backHome}</Link>
+        </nav>
         <div className="section-header reveal">
           <span className="section-tag">{t.report.tag}</span>
           <h1>{t.report.title}</h1>
           <p>{t.report.subtitle}</p>
         </div>
+        {loading && <p className="dest-empty">加载报告…</p>}
         <div className="report-grid">
           <section className="join-card reveal">
             <h3>{t.report.ranking}</h3>
-            <ol className="report-rank">
-              {ranking.map((c, i) => (
-                <li key={c.slug}>
-                  <span>{i + 1}</span>
-                  <Link href={`/destinations/${c.slug}`}>{c.name}</Link>
-                  <em>{c.score}</em>
-                  <small>{c.nomads}</small>
-                </li>
-              ))}
-            </ol>
+            {!loading && ranking.length === 0 ? (
+              <div className="notif-empty">
+                <p className="dest-empty">排名数据暂不可用</p>
+                <Link href="/next-stop" className="btn btn-sm">
+                  去智能下一站
+                </Link>
+              </div>
+            ) : (
+              <ol className="report-rank">
+                {ranking.map((c, i) => (
+                  <li key={c.slug}>
+                    <span>{i + 1}</span>
+                    <Link href={`/destinations/${c.slug}`}>{c.name}</Link>
+                    <em>{c.score}</em>
+                    <small>{c.nomads}</small>
+                  </li>
+                ))}
+              </ol>
+            )}
           </section>
           <section className="join-card reveal">
             <h3>{t.report.members}</h3>
-            <div className="member-map-list">
-              {members.map((m) => (
-                <div key={m.name + m.city} className="member-map-item">
-                  <span>{m.emoji}</span>
-                  <strong>{m.name}</strong>
-                  <span>{m.city}</span>
-                </div>
-              ))}
-            </div>
-            <Link href="/map" className="btn btn-sm">{t.report.viewMap}</Link>
+            {!loading && members.length === 0 ? (
+              <p className="dest-empty">会员分布暂不可用</p>
+            ) : (
+              <div className="member-map-list">
+                {members.map((m) => (
+                  <div key={m.name + m.city} className="member-map-item">
+                    <span>{m.emoji}</span>
+                    <strong>{m.name}</strong>
+                    <span>{m.city}</span>
+                  </div>
+                ))}
+              </div>
+            )}
+            <Link href="/map" className="btn btn-sm">
+              {t.report.viewMap}
+            </Link>
           </section>
         </div>
+        <RingNext steps={rings.afterDiscover} />
       </div>
     </div>
   );