完善机构终端页面布局与登录页细节调整

frontend/components/auth/LoginClient.tsx

@@ -7,11 +7,13 @@ import {
   ArrowRight,
   ChevronLeft,
   Chrome,
-  Cloud,
   CloudRain,
+  CloudSun,
   Lock,
   Mail,
   Sun,
+  Eye,
+  EyeOff,
 } from "lucide-react";
 import {
   getSupabaseBrowserClient,
@@ -36,12 +38,15 @@ export function LoginClient({ nextPath }: LoginClientProps) {
   const [errorText, setErrorText] = useState("");
   const [infoText, setInfoText] = useState("");
   const [resetSent, setResetSent] = useState(false);
+  const [showPassword, setShowPassword] = useState(false);
 
   const supabaseReady = hasSupabasePublicEnv();
+  const isLogin = mode === "login";
   const siteOrigin =
     getConfiguredSiteUrl() ||
     (typeof window !== "undefined" ? window.location.origin : PRODUCTION_SITE_URL);
   const isEn = locale === "en-US";
+  
   const copy = {
     backHome: isEn ? "Back to Home" : "返回首页",
     subtitle: isEn
@@ -57,7 +62,7 @@ export function LoginClient({ nextPath }: LoginClientProps) {
     passwordSignupPlaceholder: isEn
       ? "Set at least 6 characters"
       : "设置至少 6 位密码",
-    loginSubmit: isEn ? "Start your weather journey" : "开启天气之旅",
+    loginSubmit: isEn ? "Start your weather journey" : "开启天气交易之旅",
     signupSubmit: isEn ? "Create account now" : "立即创建账号",
     loginHint: isEn
       ? "After signing in, your homepage will be personalized."
@@ -87,6 +92,21 @@ export function LoginClient({ nextPath }: LoginClientProps) {
     loginFailedHint: isEn
       ? "If you just signed up, please verify your email first. Check your inbox or spam folder."
       : "如果刚注册，请先点击邮箱中的验证链接。检查收件箱或垃圾邮件。",
+    
+    // New translations for Koyfin-style layouts
+    workEmail: isEn ? "Work email" : "工作邮箱",
+    password: isEn ? "Password" : "密码",
+    welcomeBack: isEn ? "Welcome Back" : "欢迎回来",
+    signUpTitle: isEn ? "Sign up for your PolyWeather account" : "注册您的 PolyWeather 账户",
+    newToPoly: isEn ? "New to PolyWeather?" : "还没有 PolyWeather 账号？",
+    alreadyHave: isEn ? "Already have an account?" : "已经有账号了？",
+    termsAgreement: isEn
+      ? "By proceeding, you agree to the Privacy Policy and Terms & Conditions."
+      : "继续操作即代表您同意隐私政策与服务条款。",
+    desc: isEn
+      ? "Access robust METAR observations, advanced DEB forecast blends, and real-time AI decision cards that bring clarity to your weather-market portfolios."
+      : "提供精准的机场 METAR 实况、先进的 DEB 智能融合预测和实时 AI 决策卡片，助您看清天气市场脉络。",
+    trusted: isEn ? "Trusted by institutional traders" : "深受机构交易员信赖",
   } as const;
 
   const onResetPassword = async () => {
@@ -214,152 +234,299 @@ export function LoginClient({ nextPath }: LoginClientProps) {
     }
   };
 
-  const isLogin = mode === "login";
+  if (mode === "signup") {
+    return (
+      <div className="flex min-h-screen w-full flex-col lg:flex-row bg-[#f8fafc] font-sans text-slate-900">
+        {/* Left Dark Column */}
+        <div className="relative flex flex-col justify-between bg-[#11161d] p-8 text-white lg:w-[480px] xl:w-[540px] shrink-0">
+          <div className="flex flex-col gap-12">
+            <Link href="/" className="flex items-center gap-2.5 font-bold hover:opacity-90">
+              <span className="grid h-8 w-8 place-items-center rounded bg-blue-600 text-white">
+                <CloudSun size={18} />
+              </span>
+              <span className="text-lg tracking-tight">PolyWeather</span>
+            </Link>
+
+            <div className="mt-8 space-y-6">
+              <h2 className="text-3xl font-black leading-[1.2] tracking-tight">
+                {isEn ? (
+                  <>
+                    Weather intelligence and risk management{" "}
+                    <span className="inline-block px-2 py-0.5 rounded bg-blue-600 text-white font-bold text-[0.95em]">
+                      simplified.
+                    </span>
+                  </>
+                ) : (
+                  <>
+                    天气信息与风险管理{" "}
+                    <span className="inline-block px-2 py-0.5 rounded bg-blue-600 text-white font-bold text-[0.95em]">
+                      化繁为简。
+                    </span>
+                  </>
+                )}
+              </h2>
+              <p className="text-sm leading-7 text-slate-400 max-w-md">
+                {copy.desc}
+              </p>
+            </div>
+          </div>
+
+          <div className="mt-12 space-y-8">
+            <div className="space-y-3">
+              <p className="text-xs font-semibold uppercase tracking-wider text-slate-500">
+                {copy.trusted}
+              </p>
+              <div className="grid grid-cols-2 gap-3 max-w-sm">
+                {[
+                  "Atmos Capital",
+                  "Celerity Risk",
+                  "Metis Trading",
+                  "Aviation Hedge",
+                ].map((name) => (
+                  <div
+                    key={name}
+                    className="flex h-9 items-center justify-center rounded border border-white/10 bg-white/5 text-xs font-medium text-slate-400"
+                  >
+                    {name}
+                  </div>
+                ))}
+              </div>
+            </div>
+
+            <div className="flex items-center gap-2 text-xs text-slate-400">
+              <span className="text-yellow-500">⭐⭐⭐⭐⭐</span>
+              <span>4.9 out of 5 stars (G2 rating)</span>
+            </div>
+          </div>
+        </div>
+
+        {/* Right White Column (Signup Form) */}
+        <div className="flex flex-1 flex-col items-center justify-center p-8 bg-white">
+          <div className="w-full max-w-[400px]">
+            <h1 className="text-2xl font-black tracking-tight text-slate-900 mb-2">
+              {copy.signUpTitle}
+            </h1>
+            <p className="text-xs text-slate-500 mb-6">
+              {copy.subtitle}
+            </p>
+
+            <form onSubmit={(event) => void onEmailSubmit(event)} className="space-y-4">
+              <div className="space-y-1.5">
+                <label className="text-xs font-bold text-slate-700 uppercase tracking-wide">
+                  {copy.workEmail}
+                </label>
+                <div className="relative">
+                  <Mail className="absolute left-3 top-1/2 h-4 w-4 -translate-y-1/2 text-slate-400" />
+                  <input
+                    type="email"
+                    required
+                    value={email}
+                    onChange={(event) => setEmail(event.target.value)}
+                    placeholder="yourname@email.com"
+                    className="w-full rounded-lg border border-slate-300 bg-white py-2.5 pl-10 pr-4 text-sm text-slate-950 placeholder:text-slate-400 transition-all focus:border-blue-500 focus:outline-none focus:ring-2 focus:ring-blue-500/20"
+                  />
+                </div>
+              </div>
+
+              <div className="space-y-1.5">
+                <label className="text-xs font-bold text-slate-700 uppercase tracking-wide">
+                  {copy.password}
+                </label>
+                <div className="relative">
+                  <Lock className="absolute left-3 top-1/2 h-4 w-4 -translate-y-1/2 text-slate-400" />
+                  <input
+                    type={showPassword ? "text" : "password"}
+                    required
+                    minLength={6}
+                    value={password}
+                    onChange={(event) => setPassword(event.target.value)}
+                    placeholder={copy.passwordSignupPlaceholder}
+                    className="w-full rounded-lg border border-slate-300 bg-white py-2.5 pl-10 pr-10 text-sm text-slate-950 placeholder:text-slate-400 transition-all focus:border-blue-500 focus:outline-none focus:ring-2 focus:ring-blue-500/20"
+                  />
+                  <button
+                    type="button"
+                    onClick={() => setShowPassword(!showPassword)}
+                    className="absolute right-3 top-1/2 -translate-y-1/2 text-slate-400 hover:text-slate-600"
+                  >
+                    {showPassword ? <EyeOff size={16} /> : <Eye size={16} />}
+                  </button>
+                </div>
+              </div>
+
+              <p className="text-[11px] leading-5 text-slate-500 mt-2">
+                {copy.termsAgreement}
+              </p>
+
+              <button
+                type="submit"
+                disabled={loading}
+                className="flex w-full items-center justify-center rounded-lg bg-blue-600 py-3 text-sm font-bold text-white shadow-sm transition hover:bg-blue-700 disabled:opacity-50"
+              >
+                {copy.signupSubmit}
+              </button>
+            </form>
+
+            <div className="my-5 flex items-center">
+              <div className="h-px flex-grow bg-slate-200" />
+              <span className="px-3 text-[10px] font-semibold uppercase text-slate-400">
+                {isEn ? "or" : "或"}
+              </span>
+              <div className="h-px flex-grow bg-slate-200" />
+            </div>
+
+            <button
+              type="button"
+              onClick={() => void onGoogleSignIn()}
+              disabled={loading}
+              className="flex w-full items-center justify-center rounded-lg border border-slate-300 bg-white px-4 py-2.5 text-sm font-semibold text-slate-700 shadow-sm transition hover:bg-slate-50 disabled:opacity-50"
+            >
+              <Chrome className="mr-2 h-4 w-4 text-blue-600" />
+              {copy.googleOneClick}
+            </button>
+
+            {errorText ? <p className="mt-4 rounded-lg border border-rose-200 bg-rose-50 px-3 py-2 text-xs text-rose-700">{errorText}</p> : null}
+            {infoText ? <p className="mt-4 rounded-lg border border-emerald-200 bg-emerald-50 px-3 py-2 text-xs text-emerald-700">{infoText}</p> : null}
+
+            <p className="mt-6 text-center text-xs text-slate-500">
+              {copy.alreadyHave}{" "}
+              <button
+                type="button"
+                onClick={() => setMode("login")}
+                className="font-bold text-blue-600 hover:underline"
+              >
+                {copy.login}
+              </button>
+            </p>
+          </div>
+        </div>
+      </div>
+    );
+  }
 
   return (
-    <div className="relative flex min-h-screen w-full flex-col items-center justify-center overflow-hidden bg-[#f4f7fb] px-4 py-8 font-sans text-slate-900">
+    <div className="flex min-h-screen w-full flex-col bg-[#f8fafc] font-sans text-slate-900">
-      <div className="absolute inset-x-0 top-0 h-24 border-b border-slate-200 bg-white" />
+      {/* Top Header */}
-
+      <header className="flex h-16 items-center justify-between border-b border-slate-200 bg-white px-6">
-      <div className="relative w-full max-w-[420px] rounded-2xl border border-slate-200 bg-white p-8 shadow-[0_24px_70px_rgba(15,23,42,0.12)]">
+        <Link href="/" className="flex items-center gap-2.5 font-bold hover:opacity-90">
-        <Link
+          <span className="grid h-8 w-8 place-items-center rounded bg-blue-600 text-white">
-          href="/"
+            <CloudSun size={18} />
-          className="group absolute left-6 top-6 rounded-lg border border-slate-200 bg-slate-50 p-2 text-slate-500 transition-all hover:border-slate-300 hover:bg-white hover:text-slate-900 active:scale-95"
-          title={copy.backHome}
-          aria-label={copy.backHome}
-        >
-          <ChevronLeft className="h-5 w-5 transition-transform group-hover:-translate-x-0.5" />
-        </Link>
-        <div className="mb-8 flex flex-col items-center">
-          <div className="mb-4 flex h-16 w-16 items-center justify-center rounded-xl border border-blue-200 bg-blue-600 shadow-sm">
-            <Cloud className="h-10 w-10 text-white" />
-          </div>
-          <h1 className="text-3xl font-bold tracking-tight text-slate-950">PolyWeather</h1>
-          <p className="mt-2 text-center text-sm text-slate-500">{copy.subtitle}</p>
-        </div>
-
-        <button
-          type="button"
-          onClick={() => void onGoogleSignIn()}
-          disabled={loading}
-          className="mb-6 flex w-full items-center justify-center rounded-lg border border-slate-300 bg-white px-4 py-3.5 font-semibold text-slate-900 shadow-sm transition-all duration-200 hover:border-slate-400 hover:bg-slate-50 active:scale-[0.99] disabled:cursor-not-allowed disabled:opacity-70"
-        >
-          <Chrome className="mr-3 h-5 w-5" />
-          {copy.googleOneClick}
-        </button>
-
-        <div className="my-6 flex items-center">
-          <div className="h-px flex-grow bg-slate-200" />
-          <span className="px-4 text-xs font-semibold uppercase text-slate-500">
-            {copy.orEmail}
           </span>
-          <div className="h-px flex-grow bg-slate-200" />
+          <span className="text-lg tracking-tight">PolyWeather</span>
-        </div>
+        </Link>
-
+        <div className="flex items-center gap-3">
-        <div className="mb-6 flex rounded-lg border border-slate-200 bg-slate-100 p-1">
+          <span className="text-xs text-slate-500 hidden sm:inline">{copy.newToPoly}</span>
-          <button
-            type="button"
-            onClick={() => setMode("login")}
-            className={`flex-1 rounded-lg py-2 text-sm font-medium transition-all ${
-              isLogin
-                ? "bg-white text-slate-950 shadow-sm"
-                : "text-slate-500 hover:text-slate-900"
-            }`}
-          >
-            {copy.login}
-          </button>
           <button
             type="button"
             onClick={() => setMode("signup")}
-            className={`flex-1 rounded-lg py-2 text-sm font-medium transition-all ${
+            className="rounded-lg border border-slate-300 bg-white px-3 py-1.5 text-xs font-bold text-slate-700 shadow-sm transition hover:border-slate-400 hover:text-slate-950"
-              !isLogin
-                ? "bg-white text-slate-950 shadow-sm"
-                : "text-slate-500 hover:text-slate-900"
-            }`}
           >
             {copy.signup}
           </button>
         </div>
+      </header>
 
-        <form onSubmit={(event) => void onEmailSubmit(event)} className="space-y-4">
+      {/* Main Login Card Area */}
-          <div className="relative">
+      <main className="flex flex-1 items-center justify-center p-6">
-            <Mail className="absolute left-4 top-1/2 h-5 w-5 -translate-y-1/2 text-slate-500" />
+        <div className="w-full max-w-[400px] rounded-2xl border border-slate-200 bg-white p-8 shadow-[0_12px_40px_rgba(15,23,42,0.06)]">
-            <input
+          <h1 className="text-2xl font-black tracking-tight text-slate-900 mb-2">
-              type="email"
+            {copy.welcomeBack}
-              required
+          </h1>
-              value={email}
+          <p className="text-xs text-slate-500 mb-6">
-              onChange={(event) => setEmail(event.target.value)}
+            {copy.subtitle}
-              placeholder="you@example.com"
+          </p>
-              className="w-full rounded-lg border border-slate-300 bg-white py-3.5 pl-12 pr-4 text-slate-950 placeholder:text-slate-400 transition-all focus:border-blue-500 focus:outline-none focus:ring-2 focus:ring-blue-500/20"
-            />
-          </div>
-          <div className="relative">
-            <Lock className="absolute left-4 top-1/2 h-5 w-5 -translate-y-1/2 text-slate-500" />
-            <input
-              type="password"
-              required
-              minLength={6}
-              value={password}
-              onChange={(event) => setPassword(event.target.value)}
-              placeholder={
-                isLogin
-                  ? copy.passwordLoginPlaceholder
-                  : copy.passwordSignupPlaceholder
-              }
-              className="w-full rounded-lg border border-slate-300 bg-white py-3.5 pl-12 pr-4 text-slate-950 placeholder:text-slate-400 transition-all focus:border-blue-500 focus:outline-none focus:ring-2 focus:ring-blue-500/20"
-            />
-          </div>
 
-          {isLogin && !resetSent ? (
+          <form onSubmit={(event) => void onEmailSubmit(event)} className="space-y-4">
-            <div className="mt-2 text-right">
+            <div className="space-y-1.5">
-              <button
+              <label className="text-xs font-bold text-slate-700 uppercase tracking-wide">
-                type="button"
+                {copy.workEmail}
-                onClick={() => void onResetPassword()}
+              </label>
-                disabled={loading}
+              <div className="relative">
-                className="text-xs text-slate-500 underline-offset-2 transition-all hover:text-blue-600 hover:underline disabled:opacity-50"
+                <Mail className="absolute left-3 top-1/2 h-4 w-4 -translate-y-1/2 text-slate-400" />
-              >
+                <input
-                {copy.reset}
+                  type="email"
-              </button>
+                  required
+                  value={email}
+                  onChange={(event) => setEmail(event.target.value)}
+                  placeholder="yourname@email.com"
+                  className="w-full rounded-lg border border-slate-300 bg-white py-2.5 pl-10 pr-4 text-sm text-slate-950 placeholder:text-slate-400 transition-all focus:border-blue-500 focus:outline-none focus:ring-2 focus:ring-blue-500/20"
+                />
+              </div>
             </div>
-          ) : null}
+
+            <div className="space-y-1.5">
+              <div className="flex justify-between items-center">
+                <label className="text-xs font-bold text-slate-700 uppercase tracking-wide">
+                  {copy.password}
+                </label>
+                {isLogin && !resetSent ? (
+                  <button
+                    type="button"
+                    onClick={() => void onResetPassword()}
+                    disabled={loading}
+                    className="text-xs text-slate-500 hover:text-blue-600 transition-colors"
+                  >
+                    {copy.reset}
+                  </button>
+                ) : null}
+              </div>
+              <div className="relative">
+                <Lock className="absolute left-3 top-1/2 h-4 w-4 -translate-y-1/2 text-slate-400" />
+                <input
+                  type={showPassword ? "text" : "password"}
+                  required
+                  minLength={6}
+                  value={password}
+                  onChange={(event) => setPassword(event.target.value)}
+                  placeholder={copy.passwordLoginPlaceholder}
+                  className="w-full rounded-lg border border-slate-300 bg-white py-2.5 pl-10 pr-10 text-sm text-slate-950 placeholder:text-slate-400 transition-all focus:border-blue-500 focus:outline-none focus:ring-2 focus:ring-blue-500/20"
+                />
+                <button
+                  type="button"
+                  onClick={() => setShowPassword(!showPassword)}
+                  className="absolute right-3 top-1/2 -translate-y-1/2 text-slate-400 hover:text-slate-600"
+                >
+                  {showPassword ? <EyeOff size={16} /> : <Eye size={16} />}
+                </button>
+              </div>
+            </div>
+
+            <button
+              type="submit"
+              disabled={loading}
+              className="flex w-full items-center justify-center rounded-lg bg-[#11161d] py-3 text-sm font-bold text-white shadow-sm transition hover:bg-[#1f2937] disabled:opacity-50 mt-6"
+            >
+              {copy.loginSubmit}
+            </button>
+          </form>
+
+          <div className="my-5 flex items-center">
+            <div className="h-px flex-grow bg-slate-200" />
+            <span className="px-3 text-[10px] font-semibold uppercase text-slate-400">
+              {isEn ? "or" : "或"}
+            </span>
+            <div className="h-px flex-grow bg-slate-200" />
+          </div>
 
           <button
-            type="submit"
+            type="button"
+            onClick={() => void onGoogleSignIn()}
             disabled={loading}
-            className="group mt-8 flex w-full items-center justify-center rounded-lg border border-blue-700 bg-blue-600 py-3.5 font-bold text-white shadow-sm transition-all hover:bg-blue-700 active:scale-[0.99] disabled:cursor-not-allowed disabled:opacity-70"
+            className="flex w-full items-center justify-center rounded-lg border border-slate-300 bg-white px-4 py-2.5 text-sm font-semibold text-slate-700 shadow-sm transition hover:bg-slate-50 disabled:opacity-50"
           >
-            {isLogin ? copy.loginSubmit : copy.signupSubmit}
+            <Chrome className="mr-2 h-4 w-4 text-blue-600" />
-            <ArrowRight className="ml-2 h-5 w-5 transition-transform group-hover:translate-x-1" />
+            {copy.googleOneClick}
           </button>
-        </form>
 
-        {errorText ? <p className="mt-4 rounded-lg border border-rose-200 bg-rose-50 px-3 py-2 text-sm text-rose-700">{errorText}</p> : null}
+          {errorText ? <p className="mt-4 rounded-lg border border-rose-200 bg-rose-50 px-3 py-2 text-xs text-rose-700">{errorText}</p> : null}
-        {infoText ? <p className="mt-4 rounded-lg border border-emerald-200 bg-emerald-50 px-3 py-2 text-sm text-emerald-700">{infoText}</p> : null}
+          {infoText ? <p className="mt-4 rounded-lg border border-emerald-200 bg-emerald-50 px-3 py-2 text-xs text-emerald-700">{infoText}</p> : null}
-        {errorText && isLogin && errorText.includes("Invalid login") ? (
+          {errorText && isLogin && errorText.includes("Invalid login") ? (
-          <p className="mt-1 text-xs text-slate-500">{copy.loginFailedHint}</p>
+            <p className="mt-2 text-center text-xs text-slate-500">{copy.loginFailedHint}</p>
-        ) : null}
+          ) : null}
-        {infoText === copy.signupCheckEmail ? (
+          {infoText === copy.signupCheckEmail ? (
-          <p className="mt-1 text-xs text-slate-500">{copy.resendVerify}</p>
+            <p className="mt-2 text-center text-xs text-slate-500">{copy.resendVerify}</p>
-        ) : null}
+          ) : null}
-
-        <div className="mt-8 text-center">
-          <p className="text-xs text-slate-500">
-            {isLogin ? copy.loginHint : copy.signupHint}
-          </p>
         </div>
-
+      </main>
-        {!supabaseReady ? (
-          <p className="mt-3 text-center text-sm text-rose-300">{copy.supabaseMissing}</p>
-        ) : null}
-      </div>
-
-      <div className="relative mt-6 flex items-center gap-4 text-sm font-medium text-slate-500">
-        <span className="flex items-center">
-          <Sun className="mr-1 h-4 w-4" /> {copy.realtime}
-        </span>
-        <span className="flex items-center">
-          <CloudRain className="mr-1 h-4 w-4" /> {copy.highPrecision}
-        </span>
-      </div>
     </div>
   );
 }

frontend/components/dashboard/DashboardShellSkeleton.tsx

@@ -4,101 +4,148 @@ import { Skeleton } from "@/components/ui/skeleton";
 
 export function DashboardShellSkeleton() {
   return (
-    <div
+    <div className="flex h-screen w-screen overflow-hidden bg-[#e9edf3] font-sans text-slate-900">
-      style={{
+      {/* Dark Sidebar */}
-        background:
+      <aside className="w-[52px] shrink-0 bg-[#171d24] flex flex-col items-center gap-4 py-4">
-          "radial-gradient(circle at top, rgba(30,41,59,0.45), rgba(2,6,23,0.98) 55%)",
+        {/* Logo Placeholder */}
-        height: "100vh",
+        <div className="w-8 h-8 rounded bg-blue-600/30 animate-pulse" />
-        overflow: "hidden",
+        {/* Menu Icon */}
-        position: "relative",
+        <div className="w-6 h-6 rounded bg-slate-700/50" />
-        width: "100vw",
+        {/* Navigation Items */}
-      }}
+        {Array.from({ length: 6 }).map((_, i) => (
-    >
+          <div key={i} className="w-8 h-8 rounded bg-slate-700/20" />
-      <div
+        ))}
-        style={{
+      </aside>
-          alignItems: "center",
-          backdropFilter: "blur(16px)",
-          background: "rgba(10,14,26,0.78)",
-          borderBottom: "1px solid rgba(99,102,241,0.15)",
-          display: "flex",
-          height: 56,
-          justifyContent: "space-between",
-          left: 0,
-          padding: "0 24px",
-          position: "fixed",
-          right: 0,
-          top: 0,
-          zIndex: 20,
-        }}
-      >
-        <div style={{ display: "flex", flexDirection: "column", gap: 8 }}>
-          <Skeleton className="h-6 w-40 bg-zinc-700/60" />
-          <Skeleton className="h-3 w-28 bg-zinc-800/70" />
-        </div>
-        <div style={{ display: "flex", gap: 10 }}>
-          <Skeleton className="h-8 w-20 rounded-full bg-zinc-800/70" />
-          <Skeleton className="h-8 w-28 rounded-full bg-zinc-800/70" />
-        </div>
-      </div>
 
-      <div
+      {/* Main Content Area */}
-        style={{
+      <div className="flex flex-1 flex-col min-w-0">
-          bottom: 24,
+        {/* Dark Top Header */}
-          display: "flex",
+        <header className="h-[64px] shrink-0 bg-[#171d24] flex items-center justify-between px-4">
-          gap: 24,
+          <div className="flex items-center gap-4 w-1/3">
-          left: 24,
+            {/* Search Box Skeleton */}
-          position: "absolute",
+            <div className="h-10 w-full max-w-[320px] rounded bg-slate-700/40" />
-          right: 24,
+            {/* Title Skeleton */}
-          top: 80,
+            <div className="h-4 w-32 rounded bg-slate-700/30 hidden md:block" />
-        }}
+          </div>
-      >
+          <div className="flex items-center gap-3">
-        <div
+            {/* Clock & Profile Skeletons */}
-          style={{
+            <div className="h-4 w-16 rounded bg-slate-700/30 font-mono" />
-            display: "flex",
+            <div className="h-9 w-20 rounded bg-slate-700/40" />
-            flexDirection: "column",
+            <div className="h-9 w-9 rounded-full bg-slate-700/40" />
-            gap: 14,
+          </div>
-            maxWidth: 280,
+        </header>
-            width: "22vw",
-          }}
-        >
-          <Skeleton className="h-10 w-40 rounded-xl bg-zinc-800/80" />
-          {Array.from({ length: 6 }).map((_, index) => (
-            <Skeleton
-              key={index}
-              className="h-14 w-full rounded-2xl bg-zinc-900/75"
-            />
-          ))}
-        </div>
 
-        <div style={{ flex: 1, position: "relative" }}>
+        {/* Workspace Body Skeletons (3 Columns) */}
-          <Skeleton className="h-full w-full rounded-[28px] bg-zinc-950/55" />
+        <main className="flex-1 overflow-hidden p-2 grid grid-cols-1 gap-2 xl:grid-cols-[1.12fr_1.6fr_1.1fr]">
-          {Array.from({ length: 8 }).map((_, index) => (
+          {/* Column 1 */}
-            <Skeleton
+          <div className="flex flex-col gap-2 min-h-0">
-              key={index}
+            {/* Card 1 */}
-              className="absolute rounded-full bg-cyan-500/20"
+            <div className="flex-1 rounded border border-[#cfd6df] bg-white p-4 flex flex-col gap-3">
-              style={{
+              <div className="flex justify-between items-center border-b border-slate-100 pb-2">
-                height: 18,
+                <Skeleton className="h-4 w-28 bg-slate-200" />
-                left: `${10 + index * 10}%`,
+                <div className="w-4 h-4 rounded bg-slate-100" />
-                top: `${20 + ((index * 9) % 45)}%`,
+              </div>
-                width: 18,
+              <Skeleton className="h-12 w-full bg-slate-100/80 rounded animate-pulse" />
-              }}
+              <div className="flex-1 flex flex-col gap-2 mt-2">
-            />
+                {Array.from({ length: 6 }).map((_, idx) => (
-          ))}
+                  <div key={idx} className="flex justify-between items-center">
-        </div>
+                    <Skeleton className="h-4 w-32 bg-slate-100" />
+                    <Skeleton className="h-4 w-12 bg-slate-100" />
+                  </div>
+                ))}
+              </div>
+            </div>
+            {/* Card 2 */}
+            <div className="h-1/3 rounded border border-[#cfd6df] bg-white p-4 flex flex-col gap-3">
+              <div className="flex justify-between items-center border-b border-slate-100 pb-2">
+                <Skeleton className="h-4 w-32 bg-slate-200" />
+                <div className="w-4 h-4 rounded bg-slate-100" />
+              </div>
+              <div className="flex-1 flex flex-col gap-2">
+                {Array.from({ length: 3 }).map((_, idx) => (
+                  <Skeleton key={idx} className="h-8 w-full bg-slate-100" />
+                ))}
+              </div>
+            </div>
+          </div>
 
-        <div
+          {/* Column 2 */}
-          style={{
+          <div className="flex flex-col gap-2 min-h-0">
-            display: "flex",
+            {/* Card 1 */}
-            flexDirection: "column",
+            <div className="h-[200px] rounded border border-[#cfd6df] bg-white p-4 flex flex-col gap-3">
-            gap: 14,
+              <div className="flex justify-between items-center border-b border-slate-100 pb-2">
-            maxWidth: 420,
+                <Skeleton className="h-4 w-40 bg-slate-200" />
-            width: "30vw",
+                <div className="w-4 h-4 rounded bg-slate-100" />
-          }}
+              </div>
-        >
+              <div className="flex items-center gap-4 mt-2">
-          <Skeleton className="h-16 w-full rounded-3xl bg-zinc-900/80" />
+                <div className="flex-1 space-y-2">
-          <Skeleton className="h-48 w-full rounded-3xl bg-zinc-900/70" />
+                  <Skeleton className="h-6 w-32 bg-slate-200" />
-          <Skeleton className="h-32 w-full rounded-3xl bg-zinc-900/70" />
+                  <Skeleton className="h-3 w-full bg-slate-100" />
-        </div>
+                  <Skeleton className="h-3 w-2/3 bg-slate-100" />
+                </div>
+                <Skeleton className="w-32 h-16 bg-slate-100 rounded" />
+              </div>
+            </div>
+            {/* Card 2 */}
+            <div className="h-[120px] rounded border border-[#cfd6df] bg-white p-4 flex flex-col justify-between">
+              <Skeleton className="h-4 w-32 bg-slate-200" />
+              <div className="grid grid-cols-3 gap-2">
+                <Skeleton className="h-10 w-full bg-slate-100" />
+                <Skeleton className="h-10 w-full bg-slate-100" />
+                <Skeleton className="h-10 w-full bg-slate-100" />
+              </div>
+            </div>
+            {/* Card 3 */}
+            <div className="flex-1 rounded border border-[#cfd6df] bg-white p-4 flex flex-col gap-3">
+              <div className="flex justify-between items-center border-b border-slate-100 pb-2">
+                <Skeleton className="h-4 w-28 bg-slate-200" />
+                <div className="w-4 h-4 rounded bg-slate-100" />
+              </div>
+              <div className="flex-1 flex flex-col gap-2">
+                {Array.from({ length: 5 }).map((_, idx) => (
+                  <Skeleton key={idx} className="h-10 w-full bg-slate-100" />
+                ))}
+              </div>
+            </div>
+          </div>
+
+          {/* Column 3 */}
+          <div className="flex flex-col gap-2 min-h-0">
+            {/* Card 1 */}
+            <div className="flex-1 rounded border border-[#cfd6df] bg-white p-4 flex flex-col gap-3">
+              <div className="flex justify-between items-center border-b border-slate-100 pb-2">
+                <Skeleton className="h-4 w-24 bg-slate-200" />
+                <div className="w-4 h-4 rounded bg-slate-100" />
+              </div>
+              <div className="flex-1 flex flex-col gap-3">
+                {Array.from({ length: 6 }).map((_, idx) => (
+                  <Skeleton key={idx} className="h-10 w-full bg-slate-100" />
+                ))}
+              </div>
+            </div>
+            {/* Card 2 */}
+            <div className="h-1/3 rounded border border-[#cfd6df] bg-white p-4 flex flex-col justify-between">
+              <div className="flex justify-between items-center border-b border-slate-100 pb-2">
+                <Skeleton className="h-4 w-36 bg-slate-200" />
+                <div className="w-4 h-4 rounded bg-slate-100" />
+              </div>
+              <div className="grid grid-cols-3 gap-2">
+                <div className="h-12 bg-slate-100 rounded flex flex-col justify-center items-center gap-1">
+                  <Skeleton className="h-3 w-6 bg-slate-200" />
+                  <Skeleton className="h-2 w-8 bg-slate-200/50" />
+                </div>
+                <div className="h-12 bg-slate-100 rounded flex flex-col justify-center items-center gap-1">
+                  <Skeleton className="h-3 w-6 bg-slate-200" />
+                  <Skeleton className="h-2 w-8 bg-slate-200/50" />
+                </div>
+                <div className="h-12 bg-slate-100 rounded flex flex-col justify-center items-center gap-1">
+                  <Skeleton className="h-3 w-6 bg-slate-200" />
+                  <Skeleton className="h-2 w-8 bg-slate-200/50" />
+                </div>
+              </div>
+            </div>
+          </div>
+        </main>
       </div>
     </div>
   );

frontend/components/dashboard/HeaderBar.tsx

@@ -10,6 +10,7 @@ import {
   RotateCw,
   BookOpen,
   MoreHorizontal,
+  CloudSun,
 } from "lucide-react";
 import { useEffect, useState } from "react";
 import { useDashboardStore, useProAccess } from "@/hooks/useDashboardStore";
@@ -95,8 +96,8 @@ export function HeaderBar({
   return (
     <header className="header">
       <div className="brand">
-        <span className="brand-mark" aria-hidden="true">
+        <span className="brand-mark bg-blue-600 !border-transparent flex items-center justify-center text-white" aria-hidden="true">
-          <Image src="/favicon-32x32.png" alt="" width={24} height={24} priority />
+          <CloudSun size={18} />
         </span>
         <h1>PolyWeather</h1>
         <span className="subtitle">{t("header.subtitle")}</span>

frontend/components/dashboard/ScanTerminalDashboard.tsx

@@ -282,6 +282,13 @@ function KoyfinWeatherTerminal({
   return (
     <div className="flex h-screen w-full overflow-hidden bg-[#e9edf3] text-[#202833]">
       <aside className="flex w-[52px] shrink-0 flex-col items-center gap-2 bg-[#171d24] py-4 text-slate-300">
+        <Link
+          href="/"
+          className="mb-2 grid h-8 w-8 place-items-center rounded bg-blue-600 text-white transition hover:bg-blue-700"
+          title="PolyWeather"
+        >
+          <CloudSun size={18} />
+        </Link>
         <Menu size={23} className="mb-3" />
         {[CloudSun, Table2, BarChart3, LineChart, Gauge, Bell].map((Icon, i) => (
           <button
@@ -564,10 +571,12 @@ function ProductAccessRequired({
       <aside className="w-[52px] bg-[#171d24]" />
       <main className="flex flex-1 flex-col">
         <header className="flex h-[64px] items-center justify-between bg-[#171d24] px-4 text-white">
-          <div className="flex items-center gap-3 font-black">
+          <Link href="/" className="flex items-center gap-3 font-black hover:opacity-90">
-            <CloudSun size={21} />
+            <span className="grid h-8 w-8 place-items-center rounded bg-blue-600 text-white">
-            PolyWeather Terminal
+              <CloudSun size={18} />
-          </div>
+            </span>
+            <span>PolyWeather Terminal</span>
+          </Link>
           <div className="font-mono text-sm text-slate-300">{userLocalTime}</div>
         </header>
         <section className="grid flex-1 place-items-center p-6">

frontend/components/landing/InstitutionalLandingPage.tsx

@@ -1,8 +1,10 @@
+import { useState } from "react";
 import Link from "next/link";
 import {
   Activity,
   ArrowRight,
   BarChart3,
+  Check,
   CheckCircle2,
   CloudSun,
   Gauge,
@@ -12,8 +14,9 @@ import {
   ShieldCheck,
   TrendingUp,
 } from "lucide-react";
+import { I18nProvider, useI18n } from "@/hooks/useI18n";
 
-const marketRows = [
+const RAW_MARKET_ROWS_EN = [
   ["New York", "91.8°F", "+2.4", "High", "Long Yes"],
   ["Austin", "103.1°F", "+1.1", "Medium", "Wait"],
   ["Seoul", "83.4°F", "-0.7", "Low", "No Trade"],
@@ -21,7 +24,15 @@ const marketRows = [
   ["London", "72.6°F", "-0.2", "Low", "Observe"],
 ];
 
-const coverage = [
+const RAW_MARKET_ROWS_ZH = [
+  ["纽约", "91.8°F", "+2.4", "高", "买入多头"],
+  ["奥斯汀", "103.1°F", "+1.1", "中", "观望"],
+  ["首尔", "83.4°F", "-0.7", "低", "无交易"],
+  ["东京", "88.2°F", "+1.8", "高", "买入多头"],
+  ["伦敦", "72.6°F", "-0.2", "低", "观察"],
+];
+
+const COVERAGE_EN = [
   "Live airport observations",
   "DEB blend forecast",
   "Market-implied temperature",
@@ -30,25 +41,96 @@ const coverage = [
   "Paid Telegram alerts",
 ];
 
-const platformCards = [
+const COVERAGE_ZH = [
-  {
+  "机场实况观测数据",
-    icon: Radar,
+  "DEB 智能融合预报",
-    title: "Live Evidence",
+  "市场隐含温度定价",
-    body: "Airport observations and official station data are structured for settlement-aware decisions.",
+  "日内分段结算窗口",
-  },
+  "AI 气象证据链解读",
-  {
+  "付费电报实时通知",
-    icon: Gauge,
-    title: "Decision Workflow",
-    body: "City cards combine model forecast, current deviation, risk, and target contract context.",
-  },
-  {
-    icon: ShieldCheck,
-    title: "Paid Access",
-    body: "The product workspace is locked until the user has an active subscription.",
-  },
 ];
 
-export function InstitutionalLandingPage() {
+const FREE_FEATURES_EN = [
+  "Basic temperature dashboards",
+  "Delayed METAR observations (1 hour)",
+  "Limited city watchlists",
+  "Standard model stacked probability chart",
+];
+
+const FREE_FEATURES_ZH = [
+  "基础温度气象看板",
+  "延迟的 METAR 机场实测 (1小时)",
+  "有限的城市自选列表",
+  "基础模型概率堆栈图",
+];
+
+const PRO_FEATURES_EN = [
+  "Everything in Free",
+  "Real-time METAR observations & alerts",
+  "DEB blend forecast model",
+  "Market-implied temperature pricing",
+  "Intraday settlement windows & risk metrics",
+  "Paid Telegram alerts & Webhook API",
+  "24/7 priority professional support",
+];
+
+const PRO_FEATURES_ZH = [
+  "包含所有免费版功能",
+  "实时 METAR 机场实测与预警",
+  "DEB 智能融合预测模型",
+  "市场隐含温度定价与估值",
+  "日内结算窗口与风险度量指标",
+  "付费电报群通知与 API 接口推送",
+  "7×24小时专业技术与客服支持",
+];
+
+function InstitutionalLandingScreen() {
+  const { locale, toggleLocale } = useI18n();
+  const isEn = locale === "en-US";
+  const [billingCycle, setBillingCycle] = useState<"annual" | "monthly">("monthly");
+
+  const marketRows = isEn ? RAW_MARKET_ROWS_EN : RAW_MARKET_ROWS_ZH;
+  const coverage = isEn ? COVERAGE_EN : COVERAGE_ZH;
+  const platformCards = isEn
+    ? [
+        {
+          icon: Radar,
+          title: "Live Evidence",
+          body: "Airport observations and official station data are structured for settlement-aware decisions.",
+        },
+        {
+          icon: Gauge,
+          title: "Decision Workflow",
+          body: "City cards combine model forecast, current deviation, risk, and target contract context.",
+        },
+        {
+          icon: ShieldCheck,
+          title: "Paid Access",
+          body: "The product workspace is locked until the user has an active subscription.",
+        },
+      ]
+    : [
+        {
+          icon: Radar,
+          title: "实况证据",
+          body: "针对机场 METAR 与官方站点数据进行结构化整理，专为结算博弈与交割设计。",
+        },
+        {
+          icon: Gauge,
+          title: "决策工作流",
+          body: "城市决策卡片融合了气象预报、实况偏差、历史风险系数及目标合约盘口。",
+        },
+        {
+          icon: ShieldCheck,
+          title: "付费准入",
+          body: "除公开介绍和账户管理外，气象交易决策台仅向付费活跃订阅用户开放。",
+        },
+      ];
+
+  const modelLabels = isEn
+    ? ["DEB Blend", "Live METAR", "Market Implied"]
+    : ["DEB 融合预测", "METAR 机场实测", "市场隐含价格"];
+
   return (
     <div className="min-h-screen bg-[#f4f7fb] text-slate-950">
       <header className="sticky top-0 z-30 border-b border-slate-200 bg-white/95 backdrop-blur">
@@ -61,27 +143,35 @@ export function InstitutionalLandingPage() {
           </Link>
           <nav className="hidden items-center gap-7 text-sm font-semibold text-slate-600 md:flex">
             <a href="#platform" className="hover:text-slate-950">
-              Platform
+              {isEn ? "Platform" : "平台简介"}
             </a>
             <a href="#coverage" className="hover:text-slate-950">
-              Data Coverage
+              {isEn ? "Data Coverage" : "数据覆盖"}
             </a>
             <a href="#pricing" className="hover:text-slate-950">
-              Pricing
+              {isEn ? "Pricing" : "价格说明"}
             </a>
           </nav>
-          <div className="flex items-center gap-2">
+          <div className="flex items-center gap-3">
+            <button
+              type="button"
+              className="inline-flex h-9 items-center gap-1 rounded-lg border border-slate-300 bg-white p-1 text-xs font-bold text-slate-500 shadow-sm transition hover:border-slate-400 hover:text-slate-900"
+              onClick={toggleLocale}
+            >
+              <span className={`px-2 py-1 rounded-md transition-colors ${!isEn ? "bg-blue-50 text-blue-700 font-bold" : "hover:text-slate-800"}`}>中文</span>
+              <span className={`px-2 py-1 rounded-md transition-colors ${isEn ? "bg-blue-50 text-blue-700 font-bold" : "hover:text-slate-800"}`}>EN</span>
+            </button>
             <Link
               href="/auth/login?next=%2Fterminal"
               className="hidden rounded-lg border border-slate-300 bg-white px-3 py-2 text-sm font-semibold text-slate-700 shadow-sm transition hover:border-slate-400 hover:text-slate-950 sm:inline-flex"
             >
-              Log in
+              {isEn ? "Log in" : "登录"}
             </Link>
             <Link
               href="/terminal"
               className="inline-flex items-center gap-2 rounded-lg border border-blue-700 bg-blue-600 px-3 py-2 text-sm font-bold text-white shadow-sm transition hover:bg-blue-700"
             >
-              Enter Product
+              {isEn ? "Enter Product" : "进入产品"}
               <ArrowRight size={15} />
             </Link>
           </div>
@@ -93,34 +183,35 @@ export function InstitutionalLandingPage() {
           <div>
             <div className="mb-5 inline-flex items-center gap-2 rounded-full border border-blue-200 bg-blue-50 px-3 py-1 text-xs font-bold uppercase text-blue-700">
               <LockKeyhole size={13} />
-              Paid professional terminal
+              {isEn ? "Paid professional terminal" : "付费专业交易终端"}
             </div>
             <h1 className="max-w-2xl text-4xl font-black leading-[1.05] tracking-normal text-slate-950 sm:text-5xl lg:text-6xl">
-              Institutional weather market intelligence for paid users.
+              {isEn ? "Institutional weather market intelligence for paid users." : "面向付费用户的机构级天气交易决策台"}
             </h1>
             <p className="mt-5 max-w-xl text-base leading-8 text-slate-600 sm:text-lg">
-              PolyWeather turns live METAR observations, DEB forecast blends,
+              {isEn
-              model probabilities, and market settlement logic into one
+                ? "PolyWeather turns live METAR observations, DEB forecast blends, model probabilities, and market settlement logic into one professional decision workspace."
-              professional decision workspace.
+                : "PolyWeather 将 METAR 机场实测、DEB 智能融合预报、模型概率及市场结算逻辑整合于一体，打造气象风险管理专业决策环境。"}
             </p>
             <div className="mt-8 flex flex-col gap-3 sm:flex-row">
               <Link
                 href="/terminal"
                 className="inline-flex min-h-11 items-center justify-center gap-2 rounded-lg border border-blue-700 bg-blue-600 px-5 py-3 text-sm font-bold text-white shadow-sm transition hover:bg-blue-700"
               >
-                Enter product
+                {isEn ? "Enter product" : "进入产品决策台"}
                 <ArrowRight size={16} />
               </Link>
               <Link
                 href="/account"
                 className="inline-flex min-h-11 items-center justify-center gap-2 rounded-lg border border-slate-300 bg-white px-5 py-3 text-sm font-bold text-slate-800 shadow-sm transition hover:border-slate-400 hover:text-slate-950"
               >
-                Subscribe / Manage account
+                {isEn ? "Subscribe / Manage account" : "订阅服务 / 管理账户"}
               </Link>
             </div>
             <p className="mt-4 text-xs font-medium text-slate-500">
-              No free product access. Subscription is required before the
+              {isEn
-              terminal opens.
+                ? "No free product access. Subscription is required before the terminal opens."
+                : "无免费公开产品通道。在使用决策台前必须先登录并开通订阅。"}
             </p>
           </div>
 
@@ -128,19 +219,19 @@ export function InstitutionalLandingPage() {
             <div className="flex items-center justify-between border-b border-slate-200 px-4 py-3">
               <div className="flex items-center gap-2 text-sm font-bold">
                 <BarChart3 size={16} className="text-blue-700" />
-                Weather Markets Dashboard
+                {isEn ? "Weather Markets Dashboard" : "天气市场交易面板"}
               </div>
               <div className="flex items-center gap-2 text-xs font-semibold text-slate-500">
                 <span className="h-2 w-2 rounded-full bg-emerald-500" />
-                Live
+                {isEn ? "Live" : "实时数据"}
               </div>
             </div>
             <div className="grid gap-3 p-3 lg:grid-cols-[1fr_0.85fr]">
               <div className="rounded-xl border border-slate-200">
                 <div className="flex items-center justify-between border-b border-slate-200 bg-slate-50 px-3 py-2">
-                  <strong className="text-sm">Temperature Contracts</strong>
+                  <strong className="text-sm">{isEn ? "Temperature Contracts" : "温度天气合约"}</strong>
                   <span className="text-xs font-semibold text-slate-500">
-                    Price / Edge / Signal
+                    {isEn ? "Price / Edge / Signal" : "价格 / 偏差 / 信号"}
                   </span>
                 </div>
                 <div className="divide-y divide-slate-100">
@@ -173,36 +264,35 @@ export function InstitutionalLandingPage() {
               <div className="space-y-3">
                 <div className="rounded-xl border border-slate-200 p-4">
                   <div className="mb-3 flex items-center justify-between">
-                    <strong className="text-sm">Model Stack</strong>
+                    <strong className="text-sm">{isEn ? "Model Stack" : "模型堆栈"}</strong>
                     <LineChart size={16} className="text-blue-700" />
                   </div>
                   <div className="space-y-3">
-                    {["DEB Blend", "Live METAR", "Market Implied"].map(
+                    {modelLabels.map((label, index) => (
-                      (label, index) => (
+                      <div key={label}>
-                        <div key={label}>
+                        <div className="mb-1 flex justify-between text-xs font-semibold text-slate-500">
-                          <div className="mb-1 flex justify-between text-xs font-semibold text-slate-500">
+                          <span>{label}</span>
-                            <span>{label}</span>
+                          <span>{[82, 67, 74][index]}%</span>
-                            <span>{[82, 67, 74][index]}%</span>
-                          </div>
-                          <div className="h-2 rounded-full bg-slate-100">
-                            <div
-                              className="h-2 rounded-full bg-blue-600"
-                              style={{ width: `${[82, 67, 74][index]}%` }}
-                            />
-                          </div>
                         </div>
-                      ),
+                        <div className="h-2 rounded-full bg-slate-100">
-                    )}
+                          <div
+                            className="h-2 rounded-full bg-blue-600"
+                            style={{ width: `${[82, 67, 74][index]}%` }}
+                          />
+                        </div>
+                      </div>
+                    ))}
                   </div>
                 </div>
                 <div className="rounded-xl border border-emerald-200 bg-emerald-50 p-4">
                   <div className="mb-2 flex items-center gap-2 text-sm font-bold text-emerald-800">
                     <TrendingUp size={16} />
-                    Current Signal
+                    {isEn ? "Current Signal" : "当前交易信号"}
                   </div>
                   <p className="text-sm leading-6 text-emerald-900">
-                    New York high-temperature market shows a positive
+                    {isEn
-                    observation deviation with confirmed airport evidence.
+                      ? "New York high-temperature market shows a positive observation deviation with confirmed airport evidence."
+                      : "纽约高温合约市场出现显著的正向观测偏差，机场天气实况已验证确认。"}
                   </p>
                 </div>
               </div>
@@ -229,15 +319,16 @@ export function InstitutionalLandingPage() {
           <div className="mb-7 flex flex-col justify-between gap-3 md:flex-row md:items-end">
             <div>
               <p className="text-xs font-bold uppercase text-blue-700">
-                Data Coverage
+                {isEn ? "Data Coverage" : "数据覆盖范围"}
               </p>
               <h2 className="mt-2 text-3xl font-black">
-                Everything weather-market users need in one place.
+                {isEn ? "Everything weather-market users need in one place." : "天气市场交易者所需的一切，在此集结。"}
               </h2>
             </div>
             <p className="max-w-xl text-sm leading-6 text-slate-600">
-              Built for repeat professional use: dense tables, clear status
+              {isEn
-              chips, restrained color, and fast entry into paid workflows.
+                ? "Built for repeat professional use: dense tables, clear status chips, restrained color, and fast entry into paid workflows."
+                : "专为高频专业决策设计：高数据密度、直观的状态徽标、严谨的数据呈现，助您快速进入分析流。"}
             </p>
           </div>
           <div className="grid gap-3 sm:grid-cols-2 lg:grid-cols-3">
@@ -253,31 +344,157 @@ export function InstitutionalLandingPage() {
           </div>
         </section>
 
-        <section id="pricing" className="bg-slate-950 text-white">
+        <section id="pricing" className="border-t border-slate-200 bg-white py-20">
-          <div className="mx-auto flex max-w-7xl flex-col justify-between gap-6 px-4 py-12 sm:px-6 md:flex-row md:items-center lg:px-8">
+          <div className="mx-auto max-w-7xl px-4 sm:px-6 lg:px-8 text-center">
-            <div>
+            {/* Header */}
-              <p className="text-xs font-bold uppercase text-blue-300">
+            <p className="text-xs font-bold uppercase tracking-wider text-blue-600">
-                Subscription Required
+              {isEn ? "PRICING" : "价格方案"}
-              </p>
+            </p>
-              <h2 className="mt-2 text-3xl font-black">
+            <h2 className="mt-3 text-4xl font-extrabold tracking-tight text-slate-900 sm:text-5xl">
-                Product access starts after payment.
+              {isEn ? "We keep it simple" : "简单清晰的定价"}
-              </h2>
+            </h2>
-              <p className="mt-3 max-w-2xl text-sm leading-6 text-slate-300">
+            <p className="mx-auto mt-4 max-w-2xl text-base text-slate-500">
-                Users can read the landing page and account/payment guide
+              {isEn
-                publicly, but the decision terminal opens only for active paid
+                ? "The industry's leading tools at a price to suit everyone."
-                accounts.
+                : "领先的气象数据服务，以合适的价格满足不同交易需求。"}
-              </p>
+            </p>
+
+            {/* Toggle */}
+            <div className="mt-10 flex justify-center">
+              <div className="relative flex rounded-full bg-slate-100 p-0.5 border border-slate-200">
+                <button
+                  type="button"
+                  className={`rounded-full px-6 py-2 text-xs font-bold transition-all duration-200 ${
+                    billingCycle === "annual"
+                      ? "bg-white text-slate-900 shadow-sm"
+                      : "text-slate-500 hover:text-slate-800"
+                  }`}
+                  onClick={() => setBillingCycle("annual")}
+                >
+                  {isEn ? "Annual" : "按年支付"}
+                </button>
+                <button
+                  type="button"
+                  className={`rounded-full px-6 py-2 text-xs font-bold transition-all duration-200 ${
+                    billingCycle === "monthly"
+                      ? "bg-white text-slate-900 shadow-sm"
+                      : "text-slate-500 hover:text-slate-800"
+                  }`}
+                  onClick={() => setBillingCycle("monthly")}
+                >
+                  {isEn ? "Monthly" : "按月支付"}
+                </button>
+              </div>
+            </div>
+
+            {/* Pricing Cards */}
+            <div className="mx-auto mt-16 grid max-w-4xl gap-8 px-4 sm:px-6 lg:grid-cols-2 lg:px-8">
+              {/* Free Plan */}
+              <div className="flex flex-col justify-between rounded-3xl border border-slate-200 bg-white p-8 shadow-sm transition-all duration-300 hover:-translate-y-1 hover:shadow-md text-left">
+                <div>
+                  <div className="flex items-center justify-between">
+                    <h3 className="text-xl font-bold text-slate-900">
+                      {isEn ? "Free" : "免费版"}
+                    </h3>
+                  </div>
+                  <p className="mt-2 text-xs text-slate-500 min-h-10 leading-relaxed">
+                    {isEn
+                      ? "The ultimate beginner package — basic weather information to get started."
+                      : "适合初学者的基础气象信息与看板服务，快速体验平台。"}
+                  </p>
+                  <div className="mt-6 flex items-baseline">
+                    <span className="text-5xl font-black tracking-tight text-slate-900">$0</span>
+                    <span className="ml-1 text-sm font-semibold text-slate-500">/ {isEn ? "month" : "月"}</span>
+                  </div>
+                  <p className="mt-1 text-xs text-slate-400">
+                    {isEn ? "Free forever" : "永久免费"}
+                  </p>
+
+                  <div className="mt-8 border-t border-slate-100 pt-6">
+                    <ul className="space-y-4">
+                      {(isEn ? FREE_FEATURES_EN : FREE_FEATURES_ZH).map((feature) => (
+                        <li key={feature} className="flex items-start gap-3">
+                          <Check size={16} className="mt-0.5 shrink-0 text-slate-400" />
+                          <span className="text-sm text-slate-600 font-medium leading-normal">{feature}</span>
+                        </li>
+                      ))}
+                    </ul>
+                  </div>
+                </div>
+
+                <div className="mt-8">
+                  <Link
+                    href="/terminal"
+                    className="block w-full rounded-xl border border-slate-300 bg-white py-3 text-center text-sm font-semibold text-slate-700 shadow-sm transition hover:border-slate-400 hover:text-slate-900"
+                  >
+                    {isEn ? "Get Started" : "开始使用"}
+                  </Link>
+                </div>
+              </div>
+
+              {/* Pro Plan */}
+              <div className="relative flex flex-col justify-between rounded-3xl border-2 border-blue-600 bg-white p-8 shadow-sm transition-all duration-300 hover:-translate-y-1 hover:shadow-md text-left">
+                {/* Popular Badge */}
+                <div className="absolute -top-4 left-1/2 -translate-x-1/2 rounded-full bg-blue-600 px-4 py-1 text-xs font-bold uppercase tracking-wider text-white shadow-sm">
+                  {isEn ? "Recommended" : "推荐方案"}
+                </div>
+
+                <div>
+                  <div className="flex items-center justify-between">
+                    <h3 className="text-xl font-bold text-slate-900">
+                      {isEn ? "Pro" : "专业版"}
+                    </h3>
+                  </div>
+                  <p className="mt-2 text-xs text-slate-500 min-h-10 leading-relaxed">
+                    {isEn
+                      ? "For active traders and institutions who need real-time, settlement-ready intelligence."
+                      : "为活跃交易员和机构提供实时、结算级气象交易数据与决策支持。"}
+                  </p>
+                  <div className="mt-6 flex items-baseline">
+                    <span className="text-5xl font-black tracking-tight text-slate-900">
+                      {billingCycle === "annual" ? "$8" : "$10"}
+                    </span>
+                    <span className="ml-1 text-sm font-semibold text-slate-500">/ {isEn ? "month" : "月"}</span>
+                  </div>
+                  <p className="mt-1 text-xs text-slate-400">
+                    {billingCycle === "annual"
+                      ? (isEn ? "Billed annually ($96/year)" : "按年计费 (共 $96/年)")
+                      : (isEn ? "Billed monthly" : "按月计费")}
+                  </p>
+
+                  <div className="mt-8 border-t border-slate-100 pt-6">
+                    <ul className="space-y-4">
+                      {(isEn ? PRO_FEATURES_EN : PRO_FEATURES_ZH).map((feature) => (
+                        <li key={feature} className="flex items-start gap-3">
+                          <Check size={16} className="mt-0.5 shrink-0 text-blue-600" />
+                          <span className="text-sm text-slate-700 font-semibold leading-normal">{feature}</span>
+                        </li>
+                      ))}
+                    </ul>
+                  </div>
+                </div>
+
+                <div className="mt-8">
+                  <Link
+                    href="/account"
+                    className="block w-full rounded-xl bg-slate-950 py-3 text-center text-sm font-semibold text-white shadow-sm transition hover:bg-slate-800"
+                  >
+                    {isEn ? "Subscribe Now" : "立即付费订阅"}
+                  </Link>
+                </div>
+              </div>
             </div>
-            <Link
-              href="/account"
-              className="inline-flex min-h-11 items-center justify-center gap-2 rounded-lg border border-white/20 bg-white px-5 py-3 text-sm font-bold text-slate-950 transition hover:bg-blue-50"
-            >
-              <Activity size={16} />
-              Subscribe now
-            </Link>
           </div>
         </section>
       </main>
     </div>
   );
 }
+
+export function InstitutionalLandingPage() {
+  return (
+    <I18nProvider>
+      <InstitutionalLandingScreen />
+    </I18nProvider>
+  );
+}