'init'

app/components/AuthModal.tsx

@@ -0,0 +1,177 @@
+"use client";
+
+import { useState, useEffect, type FormEvent } from "react";
+import { createPortal } from "react-dom";
+import {
+  pbLogin,
+  pbRegister,
+  pbSaveAuth,
+} from "@/app/lib/pocketbase";
+
+interface AuthModalProps {
+  isOpen: boolean;
+  onClose: () => void;
+  onSuccess: (email: string) => void;
+}
+
+export default function AuthModal({ isOpen, onClose, onSuccess }: AuthModalProps) {
+  const [mode, setMode] = useState<"login" | "register">("login");
+  const [email, setEmail] = useState("");
+  const [password, setPassword] = useState("");
+  const [passwordConfirm, setPasswordConfirm] = useState("");
+  const [loading, setLoading] = useState(false);
+  const [error, setError] = useState<string | null>(null);
+
+  const handleSubmit = async (e: FormEvent) => {
+    e.preventDefault();
+    setError(null);
+    setLoading(true);
+
+    try {
+      let result;
+      if (mode === "register") {
+        if (password !== passwordConfirm) {
+          setError("两次密码不一致");
+          setLoading(false);
+          return;
+        }
+        if (password.length < 8) {
+          setError("密码至少 8 位");
+          setLoading(false);
+          return;
+        }
+        result = await pbRegister(email, password, passwordConfirm);
+      } else {
+        result = await pbLogin(email, password);
+      }
+      pbSaveAuth(result.token, result.record);
+      try {
+        await fetch("/api/auth/sync-session", {
+          method: "POST",
+          headers: { "Content-Type": "application/json" },
+          body: JSON.stringify({ token: result.token, record: result.record }),
+          credentials: "include",
+        });
+      } catch {
+        /* ignore */
+      }
+      onSuccess(email);
+      onClose();
+      setEmail("");
+      setPassword("");
+      setPasswordConfirm("");
+    } catch (err) {
+      setError(err instanceof Error ? err.message : "操作失败");
+    } finally {
+      setLoading(false);
+    }
+  };
+
+  const [mounted, setMounted] = useState(false);
+  useEffect(() => setMounted(true), []);
+
+  if (!isOpen || !mounted) return null;
+
+  const modalContent = (
+    <div className="fixed inset-0 z-[9999] overflow-y-auto">
+      <div className="fixed inset-0 bg-black/50" onClick={onClose} aria-hidden />
+      <div className="flex min-h-svh items-center justify-center p-4 py-8">
+        <div className="relative w-full max-w-sm rounded-2xl bg-white p-6 shadow-xl dark:bg-gray-900 dark:border dark:border-gray-700 shrink-0">
+          <button
+            onClick={onClose}
+            className="absolute right-4 top-4 text-gray-400 hover:text-gray-600 dark:hover:text-gray-300"
+            aria-label="关闭"
+          >
+            <svg className="h-5 w-5" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+              <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M6 18L18 6M6 6l12 12" />
+            </svg>
+          </button>
+
+          <h2 className="text-xl font-bold text-gray-800 dark:text-gray-100">
+            {mode === "login" ? "登录" : "注册"}
+          </h2>
+          <p className="mt-1 text-sm text-gray-500 dark:text-gray-400">
+            {mode === "login" ? "使用邮箱和密码登录" : "创建新账号"}
+          </p>
+
+          <form onSubmit={handleSubmit} className="mt-6 space-y-4">
+            <div>
+              <label className="mb-1 block text-sm font-medium text-gray-700 dark:text-gray-300">邮箱</label>
+              <input
+                type="email"
+                value={email}
+                onChange={(e) => setEmail(e.target.value)}
+                placeholder="your@email.com"
+                required
+                className="w-full rounded-lg border border-gray-200 px-4 py-2.5 text-gray-800 placeholder-gray-400 focus:border-[#ff4d4f] focus:outline-none focus:ring-1 focus:ring-[#ff4d4f] dark:border-gray-600 dark:bg-gray-800 dark:text-gray-100"
+              />
+            </div>
+            <div>
+              <label className="mb-1 block text-sm font-medium text-gray-700 dark:text-gray-300">密码</label>
+              <input
+                type="password"
+                value={password}
+                onChange={(e) => setPassword(e.target.value)}
+                placeholder={mode === "register" ? "至少 8 位" : "••••••••"}
+                required
+                minLength={mode === "register" ? 8 : 1}
+                className="w-full rounded-lg border border-gray-200 px-4 py-2.5 text-gray-800 placeholder-gray-400 focus:border-[#ff4d4f] focus:outline-none focus:ring-1 focus:ring-[#ff4d4f] dark:border-gray-600 dark:bg-gray-800 dark:text-gray-100"
+              />
+            </div>
+            {mode === "register" && (
+              <div>
+                <label className="mb-1 block text-sm font-medium text-gray-700 dark:text-gray-300">确认密码</label>
+                <input
+                  type="password"
+                  value={passwordConfirm}
+                  onChange={(e) => setPasswordConfirm(e.target.value)}
+                  placeholder="再次输入密码"
+                  required
+                  className="w-full rounded-lg border border-gray-200 px-4 py-2.5 text-gray-800 placeholder-gray-400 focus:border-[#ff4d4f] focus:outline-none focus:ring-1 focus:ring-[#ff4d4f] dark:border-gray-600 dark:bg-gray-800 dark:text-gray-100"
+                />
+              </div>
+            )}
+            {error && (
+              <p className="rounded-lg bg-red-50 px-3 py-2 text-sm text-red-600 dark:bg-red-900/30 dark:text-red-400">{error}</p>
+            )}
+            <button
+              type="submit"
+              disabled={loading}
+              className="w-full rounded-lg bg-[#ff4d4f] py-3 font-semibold text-white transition-colors hover:bg-[#ff3333] disabled:opacity-70"
+            >
+              {loading ? "处理中…" : mode === "login" ? "登录" : "注册"}
+            </button>
+          </form>
+
+          <p className="mt-4 text-center text-sm text-gray-500 dark:text-gray-400">
+            {mode === "login" ? (
+              <>
+                没有账号？{" "}
+                <button
+                  type="button"
+                  onClick={() => { setMode("register"); setError(null); }}
+                  className="font-medium text-[#ff4d4f] hover:text-[#ff7a45]"
+                >
+                  立即注册
+                </button>
+              </>
+            ) : (
+              <>
+                已有账号？{" "}
+                <button
+                  type="button"
+                  onClick={() => { setMode("login"); setError(null); }}
+                  className="font-medium text-[#ff4d4f] hover:text-[#ff7a45]"
+                >
+                  去登录
+                </button>
+              </>
+            )}
+          </p>
+        </div>
+      </div>
+    </div>
+  );
+
+  return createPortal(modalContent, document.body);
+}

app/components/CityCard.tsx

@@ -0,0 +1,83 @@
+"use client";
+
+import { memo, useState } from "react";
+import { City } from "../data/cities";
+
+interface CityCardProps {
+  city: City;
+  rank: number;
+  onClick?: () => void;
+}
+
+function CityCardComponent({ city, rank, onClick }: CityCardProps) {
+  const [hovered, setHovered] = useState(false);
+
+  return (
+    <div
+      role="button"
+      tabIndex={0}
+      onClick={onClick}
+      onKeyDown={(e) => e.key === "Enter" && onClick?.()}
+      className="city-card cursor-pointer relative overflow-hidden rounded-xl min-h-[200px]"
+      style={{
+        background: `linear-gradient(135deg, ${city.gradientFrom}, ${city.gradientTo})`,
+      }}
+      onMouseEnter={() => setHovered(true)}
+      onMouseLeave={() => setHovered(false)}
+    >
+      <span className="absolute bottom-8 right-2 text-[70px] sm:text-[90px] opacity-[0.12] select-none pointer-events-none leading-none">
+        {city.icon}
+      </span>
+
+      <div
+        className={`absolute inset-0 z-10 flex flex-col justify-between p-3 sm:p-4 transition-opacity duration-300 ${hovered ? "opacity-0" : "opacity-100"}`}
+      >
+        <div className="flex items-start justify-between">
+          <span className="text-white/70 text-base sm:text-xl font-bold">{rank}</span>
+          <span className="text-[10px] sm:text-xs bg-white/20 backdrop-blur-sm rounded-full px-1.5 sm:px-2 py-0.5 sm:py-1 text-white">
+            📡 {city.internetSpeed}Mbps
+          </span>
+        </div>
+
+        <div className="text-center -mt-2">
+          <h3 className="text-xl sm:text-[28px] font-bold text-white drop-shadow-md tracking-wide">
+            {city.name}
+          </h3>
+          <p className="text-xs sm:text-sm text-white/60 mt-0.5">
+            {city.countryEmoji} {city.country}
+          </p>
+        </div>
+
+        <div>
+          <div className="flex items-center gap-1 mb-1.5">
+            <span className="text-[9px] sm:text-[11px] bg-white/15 backdrop-blur-sm rounded-full px-1.5 py-0.5 text-white/80">
+              👥 {city.nomadsNow} 人在此
+            </span>
+            <span className="text-[9px] sm:text-[11px] bg-white/15 backdrop-blur-sm rounded-full px-1.5 py-0.5 text-white/80">
+              🌡 {city.temperature}°C
+            </span>
+          </div>
+          <div className="flex items-end justify-between text-white text-xs sm:text-sm">
+            <span className="text-white/80 text-[10px] sm:text-xs line-clamp-1 max-w-[60%]">
+              {city.description}
+            </span>
+            <span className="font-semibold shrink-0">
+              ¥{city.costPerMonth.toLocaleString()}/月
+            </span>
+          </div>
+        </div>
+      </div>
+
+      <div
+        className={`absolute inset-0 z-20 bg-[#2a2a2a]/95 hidden sm:flex flex-col justify-center p-4 sm:p-5 transition-opacity duration-300 ${hovered ? "opacity-100" : "opacity-0 pointer-events-none"}`}
+      >
+        <div className="text-center text-white">
+          <p className="text-lg font-bold">{city.name}</p>
+          <p className="text-sm text-white/70 mt-1">{city.description}</p>
+        </div>
+      </div>
+    </div>
+  );
+}
+
+export default memo(CityCardComponent);

app/components/CityModal.tsx

@@ -0,0 +1,46 @@
+"use client";
+
+import { createPortal } from "react-dom";
+import { City } from "../data/cities";
+
+interface CityModalProps {
+  city: City | null;
+  isOpen: boolean;
+  onClose: () => void;
+}
+
+export default function CityModal({ city, isOpen, onClose }: CityModalProps) {
+  if (!isOpen || !city) return null;
+
+  const modalContent = (
+    <div className="fixed inset-0 z-[9999] overflow-y-auto">
+      <div className="fixed inset-0 bg-black/50" onClick={onClose} aria-hidden />
+      <div className="flex min-h-svh items-center justify-center p-4">
+        <div
+          className="relative w-full max-w-md rounded-2xl bg-white dark:bg-gray-900 p-6 shadow-xl dark:border dark:border-gray-700"
+          onClick={(e) => e.stopPropagation()}
+        >
+          <button
+            onClick={onClose}
+            className="absolute right-4 top-4 text-gray-400 hover:text-gray-600"
+          >
+            <svg className="h-5 w-5" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+              <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M6 18L18 6M6 6l12 12" />
+            </svg>
+          </button>
+          <h2 className="text-2xl font-bold text-gray-900 dark:text-gray-100">
+            {city.name}
+          </h2>
+          <p className="mt-2 text-gray-600 dark:text-gray-400">{city.description}</p>
+          <div className="mt-4 space-y-2 text-sm">
+            <p>💰 月均消费: ¥{city.costPerMonth.toLocaleString()}</p>
+            <p>📡 网速: {city.internetSpeed}Mbps</p>
+            <p>👥 当前游民: {city.nomadsNow} 人</p>
+          </div>
+        </div>
+      </div>
+    </div>
+  );
+
+  return createPortal(modalContent, document.body);
+}

app/components/FilterBar.tsx

@@ -0,0 +1,88 @@
+"use client";
+
+import { memo } from "react";
+import { allTags } from "../data/cities";
+
+const SORT_OPTIONS = [
+  { value: "score", label: "综合评分" },
+  { value: "cost-asc", label: "费用从低到高" },
+  { value: "cost-desc", label: "费用从高到低" },
+  { value: "internet", label: "网速" },
+  { value: "safety", label: "安全" },
+  { value: "nomads", label: "游民数量" },
+  { value: "temperature", label: "温度" },
+];
+
+const tagIcons: Record<string, string> = {
+  全部: "🌍",
+  热门: "🔥",
+  便宜: "💰",
+  都市: "🌆",
+  文化: "🎨",
+  宜居: "🏡",
+  友好社区: "🤝",
+};
+
+interface FilterBarProps {
+  activeFilter: string;
+  onFilterChange: (filter: string) => void;
+  sortBy: string;
+  onSortChange: (sort: string) => void;
+  resultCount: number;
+}
+
+function FilterBarComponent({
+  activeFilter,
+  onFilterChange,
+  sortBy,
+  onSortChange,
+  resultCount,
+}: FilterBarProps) {
+  return (
+    <div className="mb-6" id="cities">
+      <div className="flex flex-col sm:flex-row sm:items-center sm:justify-between gap-3 mb-4">
+        <div className="flex items-center gap-2">
+          <h2 className="text-base sm:text-lg font-bold text-gray-900 dark:text-gray-100">
+            发现目的地
+          </h2>
+          <span className="text-sm text-gray-400 dark:text-gray-500">
+            {resultCount} 个城市
+          </span>
+        </div>
+        <div className="flex items-center gap-2">
+          <span className="text-xs text-gray-400 dark:text-gray-500">排序:</span>
+          <select
+            value={sortBy}
+            onChange={(e) => onSortChange(e.target.value)}
+            className="text-sm bg-white dark:bg-gray-800 border border-gray-200 dark:border-gray-700 rounded-lg px-3 py-2 sm:py-1.5 text-gray-700 dark:text-gray-300 focus:outline-none focus:ring-2 focus:ring-[#ff4d4f]/20 focus:border-[#ff4d4f] cursor-pointer min-h-[2.5rem] sm:min-h-0"
+          >
+            {SORT_OPTIONS.map((opt) => (
+              <option key={opt.value} value={opt.value}>
+                {opt.label}
+              </option>
+            ))}
+          </select>
+        </div>
+      </div>
+
+      <div className="flex gap-2 overflow-x-auto pb-2 -mx-1 px-1">
+        {allTags.map((tag) => (
+          <button
+            key={tag}
+            onClick={() => onFilterChange(tag)}
+            className={`shrink-0 flex items-center gap-1 px-3 py-2 sm:py-1.5 rounded-full text-sm font-medium border transition-all min-h-[2.5rem] sm:min-h-0 ${
+              activeFilter === tag
+                ? "border-gray-900 dark:border-gray-100 bg-gray-100 dark:bg-gray-800"
+                : "border-gray-200 dark:border-gray-700 text-gray-600 dark:text-gray-400 hover:border-gray-300 dark:hover:border-gray-600"
+            }`}
+          >
+            <span className="text-xs">{tagIcons[tag] || "🏷️"}</span>
+            <span>{tag}</span>
+          </button>
+        ))}
+      </div>
+    </div>
+  );
+}
+
+export default memo(FilterBarComponent);

app/components/Footer.tsx

@@ -0,0 +1,9 @@
+export default function Footer() {
+  return (
+    <footer className="border-t border-gray-200 dark:border-gray-800 mt-12 py-8">
+      <div className="max-w-[1400px] mx-auto px-5 sm:px-10 text-center text-sm text-gray-500 dark:text-gray-400">
+        <p>© {new Date().getFullYear()} Salon. 探索中国，远程工作，自由生活。</p>
+      </div>
+    </footer>
+  );
+}

app/components/HeroSection.tsx

@@ -0,0 +1,273 @@
+"use client";
+
+import { useState, useCallback, useEffect, useRef } from "react";
+import Link from "next/link";
+import JoinModal from "./JoinModal";
+import {
+  getPayEnv,
+  redirectToPay,
+  getDeviceFromEnv,
+} from "@/app/lib/payment";
+import type { PayChannel } from "@/app/lib/payment";
+
+const avatarPhotos = [
+  "https://i.pravatar.cc/150?img=32",
+  "https://i.pravatar.cc/150?img=33",
+  "https://i.pravatar.cc/150?img=25",
+  "https://i.pravatar.cc/150?img=52",
+  "https://i.pravatar.cc/150?img=44",
+];
+
+function isPrivateDevHost(hostname: string): boolean {
+  if (!hostname) return false;
+  if (hostname === "localhost" || hostname === "127.0.0.1" || hostname === "::1") return true;
+  if (/^10\./.test(hostname) || /^192\.168\./.test(hostname)) return true;
+  const match = hostname.match(/^172\.(\d{1,2})\./);
+  if (!match) return false;
+  const secondOctet = Number(match[1]);
+  return secondOctet >= 16 && secondOctet <= 31;
+}
+
+function buildPendingUserId(email: string): string {
+  return (
+    "pending_" +
+    Array.from(new TextEncoder().encode(email))
+      .map((b) => b.toString(16).padStart(2, "0"))
+      .join("")
+  );
+}
+
+export default function HeroSection() {
+  const [email, setEmail] = useState("");
+  const [joinModalOpen, setJoinModalOpen] = useState(false);
+  const [joinModalVipOnly, setJoinModalVipOnly] = useState(false);
+  const [checking, setChecking] = useState(false);
+  const [error, setError] = useState<string | null>(null);
+  const [isLoggedIn, setIsLoggedIn] = useState(false);
+
+  useEffect(() => {
+    const checkAuth = async () => {
+      try {
+        const res = await fetch("/api/auth/me", { credentials: "include" });
+        const data = await res.json();
+        setIsLoggedIn(!!data?.user);
+      } catch {
+        setIsLoggedIn(false);
+      }
+    };
+    checkAuth();
+    const onAuth = () => checkAuth();
+    window.addEventListener("auth:updated", onAuth);
+    return () => window.removeEventListener("auth:updated", onAuth);
+  }, []);
+
+  const checkUserCacheRef = useRef<{ email: string; data: { exists: boolean; vip: boolean }; ts: number } | null>(null);
+  const CACHE_TTL_MS = 60_000;
+
+  const handleCheckAndProceed = useCallback(
+    async (em: string) => {
+      if (checking) return;
+      const trimmed = em.trim();
+      if (!trimmed) {
+        setError("请输入邮箱");
+        return;
+      }
+      setError(null);
+      setChecking(true);
+      try {
+        const cached = checkUserCacheRef.current;
+        if (cached && cached.email === trimmed && Date.now() - cached.ts < CACHE_TTL_MS) {
+          const { exists, vip } = cached.data;
+          if (exists) {
+            setJoinModalVipOnly(!!vip);
+            setJoinModalOpen(true);
+            return;
+          }
+        }
+        const checkRes = await fetch("/api/salon/check-user", {
+          method: "POST",
+          headers: { "Content-Type": "application/json" },
+          body: JSON.stringify({ email: trimmed }),
+          credentials: "include",
+        });
+        const checkData = await checkRes.json();
+        if (!checkRes.ok || !checkData?.ok) {
+          throw new Error(checkData?.error || checkData?.detail || "操作失败");
+        }
+        if (checkData.exists) {
+          checkUserCacheRef.current = { email: trimmed, data: { exists: true, vip: !!checkData.vip }, ts: Date.now() };
+          setJoinModalVipOnly(!!checkData.vip);
+          setJoinModalOpen(true);
+          return;
+        }
+        const shouldPrecreateUser =
+          typeof window !== "undefined" &&
+          isPrivateDevHost(window.location.hostname);
+        let user_id = buildPendingUserId(trimmed);
+        if (shouldPrecreateUser) {
+          const ensureRes = await fetch("/api/salon/ensure-user", {
+            method: "POST",
+            headers: { "Content-Type": "application/json" },
+            body: JSON.stringify({ email: trimmed }),
+            credentials: "include",
+          });
+          const ensureData = await ensureRes.json();
+          if (!ensureRes.ok || !ensureData?.ok || !ensureData?.user_id) {
+            throw new Error(ensureData?.error || ensureData?.detail || "创建用户失败");
+          }
+          if (ensureData.is_new) {
+            await fetch("/api/salon/set-needs-password-change", { method: "POST", credentials: "include" });
+          }
+          user_id = String(ensureData.user_id).trim();
+          if (ensureData?.token && ensureData?.record) {
+            await fetch("/api/auth/sync-session", {
+              method: "POST",
+              headers: { "Content-Type": "application/json" },
+              body: JSON.stringify({ token: ensureData.token, record: ensureData.record }),
+              credentials: "include",
+            });
+          }
+        }
+        const returnUrl =
+          typeof window !== "undefined" ? `${window.location.origin}/join/paid` : "/join/paid";
+        const env = getPayEnv();
+        const channel: PayChannel = "wxpay";
+        redirectToPay({
+          user_id,
+          return_url: returnUrl,
+          channel,
+          device: getDeviceFromEnv(env),
+          useJoinConfig: true,
+        });
+      } catch (err) {
+        setError(err instanceof Error ? err.message : "操作失败");
+      } finally {
+        setChecking(false);
+      }
+    },
+    [checking]
+  );
+
+  const handleJoinClick = (e: React.FormEvent) => {
+    e.preventDefault();
+    handleCheckAndProceed(email);
+  };
+
+  return (
+    <section className="relative overflow-hidden">
+      <div className="absolute inset-0 bg-gradient-to-b from-orange-50/70 via-white to-[#fafafa] dark:from-gray-950 dark:via-gray-900 dark:to-gray-950" />
+      <div
+        className="absolute top-0 right-0 w-[500px] h-[500px] -translate-y-1/3 translate-x-1/4 opacity-40 rounded-full"
+        style={{
+          background:
+            "radial-gradient(circle, rgba(249,115,22,0.25) 0%, transparent 70%)",
+        }}
+      />
+
+      <div className="relative max-w-[1400px] mx-auto px-5 sm:px-10 py-10 sm:py-14 md:py-20">
+        <div className="flex flex-col lg:flex-row lg:items-start lg:gap-10 xl:gap-16">
+          <div className="flex-1 min-w-0">
+            <span className="inline-flex items-center gap-1.5 text-xs font-semibold text-orange-700 dark:text-orange-400 bg-orange-100 dark:bg-orange-900/30 px-3 py-1.5 rounded-full mb-5">
+              🏆 数字游民首选
+            </span>
+
+            <h1 className="text-3xl sm:text-4xl md:text-5xl lg:text-6xl font-bold tracking-tight leading-tight mb-5">
+              <span className="hero-gradient-text">探索中国</span>
+              <br />
+              <span className="text-gray-900 dark:text-gray-100">远程工作，自由生活</span>
+            </h1>
+
+            <p className="text-base sm:text-lg text-gray-500 dark:text-gray-400 max-w-2xl mb-7 leading-relaxed">
+              加入全球数字游民社区，发现中国最适合远程工作和生活的城市
+            </p>
+
+            <div className="space-y-2.5 mb-8">
+              {[
+                { icon: "🍹", text: "线下聚会与线上分享" },
+                { icon: "❤️", text: "结识志同道合的伙伴" },
+                { icon: "🧪", text: "探索新城市与新可能" },
+                { icon: "🌎", text: "全球数字游民网络" },
+                { icon: "💬", text: "社区互助与资源共享" },
+              ].map((f) => (
+                <div key={f.icon} className="flex items-start gap-2.5">
+                  <span className="text-base sm:text-lg shrink-0 mt-0.5">{f.icon}</span>
+                  <span className="text-sm sm:text-base text-gray-600 dark:text-gray-400 underline decoration-gray-300 dark:decoration-gray-600 underline-offset-2">
+                    {f.text}
+                  </span>
+                </div>
+              ))}
+            </div>
+
+            <div className="flex items-center gap-3 mb-8">
+              <div className="flex -space-x-2">
+                {avatarPhotos.slice(0, 8).map((src, i) => (
+                  <img
+                    key={i}
+                    src={src}
+                    alt=""
+                    className="w-8 h-8 sm:w-9 sm:h-9 rounded-full border-2 border-white dark:border-gray-800 shadow-sm object-cover"
+                  />
+                ))}
+              </div>
+              <span className="text-sm text-gray-500 dark:text-gray-400">
+                已有 5,000+ 成员加入
+              </span>
+            </div>
+          </div>
+
+          <div className="lg:w-[360px] xl:w-[400px] shrink-0 mt-10 lg:mt-4">
+            <div className="bg-white dark:bg-gray-900 rounded-2xl shadow-xl overflow-hidden border border-gray-100 dark:border-gray-800">
+              <div className="relative h-48 sm:h-56 bg-gradient-to-br from-emerald-400 via-teal-500 to-cyan-600 flex items-center justify-center overflow-hidden">
+                <button className="relative w-16 h-16 rounded-full bg-white/95 flex items-center justify-center shadow-lg hover:scale-110 transition-transform">
+                  <svg className="w-7 h-7 text-emerald-600 ml-1" fill="currentColor" viewBox="0 0 24 24">
+                    <path d="M8 5v14l11-7z" />
+                  </svg>
+                </button>
+              </div>
+
+              {!isLoggedIn ? (
+                <form onSubmit={handleJoinClick} className="p-4 sm:p-5">
+                  <input
+                    type="email"
+                    value={email}
+                    onChange={(e) => { setEmail(e.target.value); setError(null); }}
+                    placeholder="输入邮箱，加入社区"
+                    className="w-full border border-gray-200 dark:border-gray-700 rounded-lg px-4 py-3 text-sm placeholder-gray-400 dark:placeholder-gray-500 bg-white dark:bg-gray-800 text-gray-900 dark:text-gray-100 focus:outline-none focus:ring-2 focus:ring-[#ff4d4f]/20 focus:border-[#ff4d4f] transition-colors mb-3"
+                  />
+                  {error && (
+                    <p className="mb-3 text-sm text-red-600 dark:text-red-400">{error}</p>
+                  )}
+                  <button
+                    type="submit"
+                    disabled={checking}
+                    className="w-full bg-[#ff4d4f] hover:bg-[#ff3333] dark:hover:bg-[#ff5c5e] text-white py-3 rounded-lg text-sm font-semibold transition-colors active:scale-[0.98] disabled:opacity-70"
+                  >
+                    {checking ? "处理中…" : "加入社区 →"}
+                  </button>
+                </form>
+              ) : (
+                <div className="p-4 sm:p-5 text-center">
+                  <p className="text-sm text-gray-600 dark:text-gray-400">
+                    您已登录，可前往社区参与互动
+                  </p>
+                </div>
+              )}
+            </div>
+            <JoinModal
+              isOpen={joinModalOpen}
+              onClose={() => { setJoinModalOpen(false); setJoinModalVipOnly(false); }}
+              initialEmail={email.trim()}
+              vipOnly={joinModalVipOnly}
+            />
+
+            <div className="mt-4 flex flex-wrap gap-2 justify-center">
+              <Link href="/join" className="text-xs text-gray-400 hover:text-gray-600 dark:hover:text-gray-300 bg-white dark:bg-gray-800 rounded-full px-3 py-1.5 border border-gray-100 dark:border-gray-700 transition-colors min-h-[2rem] inline-flex items-center">
+                💬 加入社区
+              </Link>
+            </div>
+          </div>
+        </div>
+      </div>
+    </section>
+  );
+}

app/components/JoinModal.tsx

@@ -0,0 +1,152 @@
+"use client";
+
+import { useState, useEffect, type FormEvent } from "react";
+import { createPortal } from "react-dom";
+import {
+  getPayEnv,
+  redirectToPay,
+  getDeviceFromEnv,
+} from "@/app/lib/payment";
+import type { PayChannel } from "@/app/lib/payment";
+
+interface JoinModalProps {
+  isOpen: boolean;
+  onClose: () => void;
+  initialEmail?: string;
+  vipOnly?: boolean;
+}
+
+export default function JoinModal({ isOpen, onClose, initialEmail = "", vipOnly = false }: JoinModalProps) {
+  const [email, setEmail] = useState(initialEmail);
+  const [password, setPassword] = useState("");
+  const [loading, setLoading] = useState(false);
+  const [error, setError] = useState<string | null>(null);
+
+  useEffect(() => {
+    if (isOpen) {
+      setEmail(initialEmail);
+      setPassword("");
+      setError(null);
+    }
+  }, [isOpen, initialEmail]);
+
+  const handleSubmit = async (e: FormEvent) => {
+    e.preventDefault();
+    if (loading) return;
+    const em = email.trim();
+    if (!em) {
+      setError("请输入邮箱");
+      return;
+    }
+    setError(null);
+    setLoading(true);
+    try {
+      const res = await fetch("/api/salon/ensure-user", {
+        method: "POST",
+        headers: { "Content-Type": "application/json" },
+        body: JSON.stringify({ email: em, password: password || undefined }),
+        credentials: "include",
+      });
+      const data = await res.json();
+      if (!res.ok || !data?.ok) {
+        throw new Error(data?.error || data?.detail || "操作失败");
+      }
+      if (data.is_new) {
+        await fetch("/api/salon/set-needs-password-change", { method: "POST", credentials: "include" });
+      }
+      const { pbSaveAuth } = await import("@/app/lib/pocketbase");
+      pbSaveAuth(data.token, data.record);
+      await fetch("/api/auth/sync-session", {
+        method: "POST",
+        headers: { "Content-Type": "application/json" },
+        body: JSON.stringify({ token: data.token, record: data.record }),
+        credentials: "include",
+      });
+      if (typeof window !== "undefined") {
+        window.dispatchEvent(new CustomEvent("auth:updated"));
+      }
+      if (vipOnly) {
+        onClose();
+        return;
+      }
+      const returnUrl = typeof window !== "undefined" ? `${window.location.origin}/join/paid` : "/join/paid";
+      const env = getPayEnv();
+      const channel: PayChannel = "wxpay";
+      redirectToPay({
+        user_id: data.user_id,
+        return_url: returnUrl,
+        channel,
+        device: getDeviceFromEnv(env),
+        useJoinConfig: true,
+      });
+    } catch (err) {
+      setError(err instanceof Error ? err.message : "操作失败");
+    } finally {
+      setLoading(false);
+    }
+  };
+
+  const [mounted, setMounted] = useState(false);
+  useEffect(() => setMounted(true), []);
+
+  if (!isOpen || !mounted) return null;
+
+  const modalContent = (
+    <div className="fixed inset-0 z-[9999] overflow-y-auto">
+      <div className="fixed inset-0 bg-black/50" onClick={onClose} aria-hidden />
+      <div className="flex min-h-svh items-center justify-center p-4 py-8">
+        <div className="relative w-full max-w-sm rounded-2xl bg-white p-6 shadow-xl dark:bg-gray-900 dark:border dark:border-gray-700 shrink-0">
+          <button
+            onClick={onClose}
+            className="absolute right-4 top-4 text-gray-400 hover:text-gray-600 dark:hover:text-gray-300"
+            aria-label="关闭"
+          >
+            <svg className="h-5 w-5" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+              <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M6 18L18 6M6 6l12 12" />
+            </svg>
+          </button>
+
+          <h2 className="text-xl font-bold text-gray-800 dark:text-gray-100">
+            {vipOnly ? "验证密码登录" : "加入社区"}
+          </h2>
+
+          <form onSubmit={handleSubmit} className="mt-6 space-y-4">
+            <div>
+              <label className="mb-1 block text-sm font-medium text-gray-700 dark:text-gray-300">邮箱</label>
+              <input
+                type="email"
+                value={email}
+                onChange={(e) => { setEmail(e.target.value); setError(null); }}
+                placeholder="输入你的邮箱..."
+                required
+                className="w-full rounded-lg border border-gray-200 px-4 py-2.5 text-gray-800 placeholder-gray-400 focus:border-[#ff4d4f] focus:outline-none focus:ring-1 focus:ring-[#ff4d4f] dark:border-gray-600 dark:bg-gray-800 dark:text-gray-100"
+              />
+            </div>
+            <div>
+              <label className="mb-1 block text-sm font-medium text-gray-700 dark:text-gray-300">密码</label>
+              <input
+                type="password"
+                value={password}
+                onChange={(e) => { setPassword(e.target.value); setError(null); }}
+                placeholder="请输入密码"
+                className="w-full rounded-lg border border-gray-200 px-4 py-2.5 text-gray-800 placeholder-gray-400 focus:border-[#ff4d4f] focus:outline-none focus:ring-1 focus:ring-[#ff4d4f] dark:border-gray-600 dark:bg-gray-800 dark:text-gray-100"
+              />
+            </div>
+            {error && (
+              <p className="rounded-lg bg-red-50 px-3 py-2 text-sm text-red-600 dark:bg-red-900/30 dark:text-red-400">{error}</p>
+            )}
+            <button
+              type="submit"
+              disabled={loading}
+              className="w-full rounded-lg bg-[#ff4d4f] py-3 font-semibold text-white transition-colors hover:bg-[#ff3333] disabled:opacity-70"
+            >
+              {loading ? "处理中…" : vipOnly ? "登录" : "加入社区 →"}
+            </button>
+          </form>
+        </div>
+      </div>
+    </div>
+  );
+
+  return createPortal(modalContent, document.body);
+}