diff --git a/README.md b/README.md
index 5d53f72..24423a0 100644
--- a/README.md
+++ b/README.md
@@ -22,7 +22,7 @@ TokenStep 是一个 macOS 菜单栏 App，用来本地统计你在 Codex、Claud
 
 下载最新版 DMG，打开后把 `TokenStep.app` 拖进「应用程序」即可使用：
 
-[下载 TokenStep 最新版](https://github.com/Backtthefuture/TokenStep/releases/latest/download/TokenStep-0.2.6.dmg)
+[下载 TokenStep 最新版](https://github.com/Backtthefuture/TokenStep/releases/latest/download/TokenStep-0.2.7.dmg)
 
 也可以从 Release 页面查看所有版本：
 
@@ -32,6 +32,23 @@ TokenStep 已使用 Developer ID 签名并通过 Apple 公证。首次打开时
 
 Windows版本由十七做了移植，欢迎大家前往使用：https://github.com/canyexuanfan/TokenStep-Windows/releases 
 
+## 0.2.7 重大更新：引力边界黑洞主题包
+
+0.2.7 新增第三套完整皮肤包「引力边界」。它不是给首页换一张壁纸，而是把近距事件视界、象牙白吸积盘和低速引力光流接进 TokenStep 的整套界面。
+
+<p align="center">
+  <img src="docs/images/tokenstep-0.2.7-event-horizon-popover.jpg" alt="TokenStep 0.2.7 引力边界黑洞主题包浮层" width="900" />
+</p>
+
+- **第三套主题皮肤包**：在 `设置 → 通用 → 主题皮肤包` 中，可在经典、奥德赛和引力边界之间随时切换。
+- **黑洞是第一视觉层**：巨大事件视界占据左上，象牙白吸积盘横贯界面，并保留上方透镜弧和更暗的下方反转弧。
+- **全界面统一换肤**：菜单栏浮层、今日、历史、隐私、设置、更新窗口、Token Island 和两类分享卡全部覆盖。
+- **低成本动态光流**：吸积盘有缓慢相位漂移和轻微呼吸；窗口失焦、截图和 macOS“减少动态效果”状态会自动暂停，最高 24 fps。
+- **原创应用内标记**：主题启用时，TokenStep 的应用内 Logo 会切换为事件视界与吸积盘标记。
+- **更新检查更稳**：GitHub API 被限流时自动使用非 API 的最新 Release 通道；手动检查增加 10 秒防连点，并在双通道都失败时显示可理解的限流恢复时间。
+
+主题使用原创生成背景和通用黑洞科学结构，不包含电影 Logo、演员、剧照、飞船或第三方水印。完整说明见 [0.2.7 发布说明](docs/RELEASE_NOTES_0.2.7.md) 与 [引力边界主题实现说明](docs/INTERSTELLAR_THEME_PACK_0.2.7.md)。
+
 ## 0.2.6 重大更新：检查更新后立即进入安装闭环
 
 0.2.6 修复了从浮层主动检查更新时“查到了，但没有继续弹出更新窗口”的断点，并把下载、验证、替换与自动重启做成可追踪的完整链路。
@@ -85,7 +102,7 @@ TokenStep 第一次从“更换配色”升级为完整的**主题皮肤包系
 - 新增奥德赛弓箭阶梯 Logo；用量采用骨金、冷金或余烬橙，绿色只保留给同步成功等状态反馈。
 - 关闭排行榜后浮层会自动收短，多来源额度则使用紧凑布局完整展示。
 
-打开 `设置 → 通用 → 主题皮肤包` 即可切换。完整说明见 [0.2.4 发布说明](docs/RELEASE_NOTES_0.2.4.md)，或直接[下载已签名并通过 Apple 公证的最新版](https://github.com/Backtthefuture/TokenStep/releases/latest/download/TokenStep-0.2.6.dmg)。
+打开 `设置 → 通用 → 主题皮肤包` 即可切换。完整说明见 [0.2.4 发布说明](docs/RELEASE_NOTES_0.2.4.md)，或直接[下载已签名并通过 Apple 公证的最新版](https://github.com/Backtthefuture/TokenStep/releases/latest/download/TokenStep-0.2.7.dmg)。
 
 ## TokenStep 适合谁？
 
@@ -112,7 +129,7 @@ TokenStep 适合这些人：
 - 每日目标可设置，默认每天一个亿。
 - 打开面板时按设置的新鲜度刷新；后台在接电时最低 15 分钟、电池或低电量模式下最低 30 分钟刷新，并跳过未变化的数据。
 - 开机启动，可在设置里关闭。
-- 主题皮肤包：可随时切回五种经典配色，也可使用奥德赛的导演剪辑、爱琴海冷雾、特洛伊火海与灰烬神像四个视觉篇章。
+- 主题皮肤包：可随时切换经典、奥德赛和引力边界；引力边界覆盖全界面并带低成本黑洞光流动效。
 - 一键截图分享当前页面。
 - 一键生成「昨日 AI 节奏」分享卡，展示 24 小时使用波形、峰值时段和节奏标签。
 - Codex / Claude Code 剩余额度可在设置中打开，默认关闭。
@@ -144,7 +161,7 @@ TokenStep 默认只做本地统计。
 
 ## 安装方式
 
-1. 下载 [TokenStep 最新版 DMG](https://github.com/Backtthefuture/TokenStep/releases/latest/download/TokenStep-0.2.6.dmg)。
+1. 下载 [TokenStep 最新版 DMG](https://github.com/Backtthefuture/TokenStep/releases/latest/download/TokenStep-0.2.7.dmg)。
 2. 打开 DMG。
 3. 把 `TokenStep.app` 拖到「应用程序」。
 4. 启动 TokenStep。
@@ -204,7 +221,7 @@ TokenStepSwift/dist/TokenStep.app
 Developer ID 签名：
 
 ```bash
-TOKENSTEP_VERSION=0.2.6 \
+TOKENSTEP_VERSION=0.2.7 \
 CODE_SIGN_IDENTITY="Developer ID Application: Your Name (TEAMID)" \
 ./script/package_release.sh
 ```
@@ -212,7 +229,7 @@ CODE_SIGN_IDENTITY="Developer ID Application: Your Name (TEAMID)" \
 签名 + Apple 公证：
 
 ```bash
-TOKENSTEP_VERSION=0.2.6 \
+TOKENSTEP_VERSION=0.2.7 \
 CODE_SIGN_IDENTITY="Developer ID Application: Your Name (TEAMID)" \
 TOKENSTEP_NOTARY_PROFILE="tokenstep-notary" \
 ./script/package_release.sh --notarize
@@ -227,7 +244,7 @@ release/TokenStep-<version>.dmg
 
 维护者说明见 [docs/RELEASE.md](docs/RELEASE.md)。
 
-0.2.6 发布说明见 [docs/RELEASE_NOTES_0.2.6.md](docs/RELEASE_NOTES_0.2.6.md)；0.2.5 动效、模型用量与更新提醒说明见 [docs/RELEASE_NOTES_0.2.5.md](docs/RELEASE_NOTES_0.2.5.md)；0.2.4 主题包实现与验收说明见 [docs/ODYSSEY_THEME_PACK_0.2.4.md](docs/ODYSSEY_THEME_PACK_0.2.4.md)。
+0.2.7 发布说明见 [docs/RELEASE_NOTES_0.2.7.md](docs/RELEASE_NOTES_0.2.7.md)；引力边界实现说明见 [docs/INTERSTELLAR_THEME_PACK_0.2.7.md](docs/INTERSTELLAR_THEME_PACK_0.2.7.md)；0.2.6 更新闭环说明见 [docs/RELEASE_NOTES_0.2.6.md](docs/RELEASE_NOTES_0.2.6.md)；0.2.4 奥德赛主题包说明见 [docs/ODYSSEY_THEME_PACK_0.2.4.md](docs/ODYSSEY_THEME_PACK_0.2.4.md)。
 
 ## 开源协议
 
diff --git a/TokenStepSwift/Sources/TokenStepSwift/Models/UsageModels.swift b/TokenStepSwift/Sources/TokenStepSwift/Models/UsageModels.swift
index accf864..d76fe9b 100644
--- a/TokenStepSwift/Sources/TokenStepSwift/Models/UsageModels.swift
+++ b/TokenStepSwift/Sources/TokenStepSwift/Models/UsageModels.swift
@@ -858,13 +858,18 @@ struct TokenStepSettings: Codable {
     }
 
     var themePack: TokenStepThemePack {
-        theme == .voyage ? .odyssey : .classic
+        switch theme {
+        case .voyage: return .odyssey
+        case .eventHorizon: return .interstellar
+        default: return .classic
+        }
     }
 
     var activeThemeTitle: String {
         switch themePack {
         case .classic: return classicTheme.title
         case .odyssey: return odysseyChapter.title
+        case .interstellar: return L("引力边界")
         }
     }
 
@@ -937,7 +942,7 @@ struct TokenStepSettings: Codable {
         self.refreshIntervalSeconds = refreshIntervalSeconds
         self.historyDays = historyDays
         self.theme = theme
-        let fallbackClassicTheme = theme == .voyage ? TokenStepTheme.green : theme
+        let fallbackClassicTheme = TokenStepTheme.classicCases.contains(theme) ? theme : .green
         let requestedClassicTheme = classicTheme ?? fallbackClassicTheme
         self.classicTheme = TokenStepTheme.classicCases.contains(requestedClassicTheme)
             ? requestedClassicTheme
diff --git a/TokenStepSwift/Sources/TokenStepSwift/Services/UpdateService.swift b/TokenStepSwift/Sources/TokenStepSwift/Services/UpdateService.swift
index a4521cc..341436d 100644
--- a/TokenStepSwift/Sources/TokenStepSwift/Services/UpdateService.swift
+++ b/TokenStepSwift/Sources/TokenStepSwift/Services/UpdateService.swift
@@ -14,7 +14,8 @@ struct AvailableUpdate: Identifiable, Equatable {
     var assetSize: Int
 
     var formattedSize: String {
-        ByteCountFormatter.string(fromByteCount: Int64(assetSize), countStyle: .file)
+        guard assetSize > 0 else { return L("发布包") }
+        return ByteCountFormatter.string(fromByteCount: Int64(assetSize), countStyle: .file)
     }
 
     var noteLines: [String] {
@@ -61,6 +62,7 @@ enum UpdateCheckTrigger: String, Equatable {
 enum UpdateCheckPolicy {
     static let automaticInterval: TimeInterval = 6 * 60 * 60
     static let timerTolerance: TimeInterval = 15 * 60
+    static let manualCooldown: TimeInterval = 10
 
     static func shouldStart(
         trigger: UpdateCheckTrigger,
@@ -107,6 +109,7 @@ enum UpdatePresentationPolicy {
 struct UpdateCheckGate {
     private(set) var isChecking = false
     private(set) var lastAttemptAt: Date?
+    private(set) var lastManualAttemptAt: Date?
 
     mutating func begin(
         trigger: UpdateCheckTrigger,
@@ -115,6 +118,11 @@ struct UpdateCheckGate {
         startupCheckPending: Bool = false
     ) -> Bool {
         guard !isChecking else { return false }
+        if trigger.isManual,
+           let lastManualAttemptAt,
+           now.timeIntervalSince(lastManualAttemptAt) < UpdateCheckPolicy.manualCooldown {
+            return false
+        }
         guard UpdateCheckPolicy.shouldStart(
             trigger: trigger,
             autoUpdateEnabled: autoUpdateEnabled,
@@ -126,6 +134,9 @@ struct UpdateCheckGate {
         }
         isChecking = true
         lastAttemptAt = now
+        if trigger.isManual {
+            lastManualAttemptAt = now
+        }
         return true
     }
 
@@ -136,6 +147,8 @@ struct UpdateCheckGate {
 
 enum UpdateService {
     private static let latestReleaseURL = URL(string: "https://api.github.com/repos/Backtthefuture/TokenStep/releases/latest")!
+    private static let latestReleaseFallbackURL = URL(string: "https://github.com/Backtthefuture/TokenStep/releases/latest")!
+    private static let releaseDownloadBaseURL = URL(string: "https://github.com/Backtthefuture/TokenStep/releases/download/")!
 
     static var currentVersion: String {
         Bundle.main.object(forInfoDictionaryKey: "CFBundleShortVersionString") as? String ?? "0.0.0"
@@ -144,7 +157,8 @@ enum UpdateService {
     static func checkForUpdates(
         currentVersion: String = Self.currentVersion,
         session: URLSession = .shared,
-        releaseURL: URL? = nil
+        releaseURL: URL? = nil,
+        fallbackURL: URL? = nil
     ) async throws -> UpdateCheckResult {
         var request = URLRequest(url: releaseURL ?? latestReleaseURL)
         request.cachePolicy = .reloadIgnoringLocalCacheData
@@ -152,18 +166,123 @@ enum UpdateService {
         request.setValue("application/vnd.github+json", forHTTPHeaderField: "Accept")
         request.setValue("TokenStep/\(currentVersion)", forHTTPHeaderField: "User-Agent")
 
-        let (data, response) = try await session.data(for: request)
+        do {
+            let (data, response) = try await session.data(for: request)
+            guard let http = response as? HTTPURLResponse else {
+                throw UpdateError.checkFailed
+            }
+
+            if (200..<300).contains(http.statusCode) {
+                return try evaluateReleaseResponse(
+                    data: data,
+                    statusCode: http.statusCode,
+                    currentVersion: currentVersion
+                )
+            }
+
+            let primaryError = responseError(from: http)
+            do {
+                return try await checkFallbackLatestRelease(
+                    currentVersion: currentVersion,
+                    session: session,
+                    fallbackURL: fallbackURL
+                )
+            } catch {
+                throw primaryError
+            }
+        } catch let error as UpdateError {
+            throw error
+        } catch {
+            do {
+                return try await checkFallbackLatestRelease(
+                    currentVersion: currentVersion,
+                    session: session,
+                    fallbackURL: fallbackURL
+                )
+            } catch {
+                throw UpdateError.checkFailed
+            }
+        }
+    }
+
+    private static func checkFallbackLatestRelease(
+        currentVersion: String,
+        session: URLSession,
+        fallbackURL: URL?
+    ) async throws -> UpdateCheckResult {
+        var request = URLRequest(url: fallbackURL ?? latestReleaseFallbackURL)
+        request.cachePolicy = .reloadIgnoringLocalCacheData
+        request.timeoutInterval = 15
+        request.setValue("text/html,application/xhtml+xml", forHTTPHeaderField: "Accept")
+        request.setValue("TokenStep/\(currentVersion)", forHTTPHeaderField: "User-Agent")
+
+        let (_, response) = try await session.data(for: request)
         guard let http = response as? HTTPURLResponse else {
             throw UpdateError.checkFailed
         }
-
-        return try evaluateReleaseResponse(
-            data: data,
+        return try evaluateFallbackReleaseResponse(
+            responseURL: http.url,
             statusCode: http.statusCode,
             currentVersion: currentVersion
         )
     }
 
+    static func evaluateFallbackReleaseResponse(
+        responseURL: URL?,
+        statusCode: Int,
+        currentVersion: String
+    ) throws -> UpdateCheckResult {
+        guard (200..<300).contains(statusCode),
+              let responseURL,
+              let tagName = releaseTag(from: responseURL),
+              let releaseVersion = Version(tagName.strippingVersionPrefix),
+              let installedVersion = Version(currentVersion)
+        else {
+            throw UpdateError.checkFailed
+        }
+
+        guard releaseVersion > installedVersion else { return .upToDate }
+        let version = tagName.strippingVersionPrefix
+        let assetName = "TokenStep-\(version).dmg"
+        let assetURL = releaseDownloadBaseURL
+            .appendingPathComponent(tagName, isDirectory: true)
+            .appendingPathComponent(assetName)
+
+        return .available(
+            AvailableUpdate(
+                version: version,
+                tagName: tagName,
+                title: "TokenStep \(version)",
+                notes: L("发现新的稳定版本，可直接下载并安装已签名公证的 DMG。"),
+                pageURL: responseURL,
+                assetURL: assetURL,
+                assetName: assetName,
+                assetSize: 0
+            )
+        )
+    }
+
+    private static func releaseTag(from url: URL) -> String? {
+        let marker = "/releases/tag/"
+        guard let range = url.path.range(of: marker) else { return nil }
+        let encoded = String(url.path[range.upperBound...])
+            .trimmingCharacters(in: CharacterSet(charactersIn: "/"))
+        guard !encoded.isEmpty, !encoded.contains("/") else { return nil }
+        return encoded.removingPercentEncoding ?? encoded
+    }
+
+    private static func responseError(from response: HTTPURLResponse) -> UpdateError {
+        let remaining = response.value(forHTTPHeaderField: "X-RateLimit-Remaining")
+        let isRateLimited = response.statusCode == 429
+            || (response.statusCode == 403 && remaining == "0")
+        guard isRateLimited else { return .checkFailed }
+
+        let resetAt = response.value(forHTTPHeaderField: "X-RateLimit-Reset")
+            .flatMap(TimeInterval.init)
+            .map(Date.init(timeIntervalSince1970:))
+        return .rateLimited(resetAt: resetAt)
+    }
+
     static func evaluateReleaseResponse(
         data: Data,
         statusCode: Int,
@@ -527,6 +646,7 @@ enum UpdateService {
 
 enum UpdateError: LocalizedError, Equatable {
     case checkFailed
+    case rateLimited(resetAt: Date?)
     case missingDMG
     case downloadFailed
     case verificationFailed
@@ -536,6 +656,13 @@ enum UpdateError: LocalizedError, Equatable {
         switch self {
         case .checkFailed:
             return L("检查更新失败，请稍后再试。")
+        case let .rateLimited(resetAt):
+            guard let resetAt else {
+                return L("GitHub 检查频率暂时受限，请稍后再试。")
+            }
+            let formatter = DateFormatter()
+            formatter.dateFormat = "HH:mm"
+            return LFormat("GitHub 检查频率暂时受限，预计 %@ 后恢复。", formatter.string(from: resetAt))
         case .missingDMG:
             return L("新版本没有可下载的 DMG。")
         case .downloadFailed:
diff --git a/TokenStepSwift/Sources/TokenStepSwift/Stores/AppState.swift b/TokenStepSwift/Sources/TokenStepSwift/Stores/AppState.swift
index f5dfce9..fae8eb2 100644
--- a/TokenStepSwift/Sources/TokenStepSwift/Stores/AppState.swift
+++ b/TokenStepSwift/Sources/TokenStepSwift/Stores/AppState.swift
@@ -423,11 +423,11 @@ final class AppState: ObservableObject {
     }
 
     func setTheme(_ theme: TokenStepTheme) {
-        if theme == .voyage {
-            settings.theme = .voyage
-        } else {
+        if TokenStepTheme.classicCases.contains(theme) {
             settings.classicTheme = theme
             settings.theme = theme
+        } else {
+            settings.theme = theme
         }
         TokenStepThemeRuntime.apply(
             settings.theme,
@@ -437,7 +437,14 @@ final class AppState: ObservableObject {
     }
 
     func setThemePack(_ pack: TokenStepThemePack) {
-        settings.theme = pack == .odyssey ? .voyage : settings.classicTheme
+        switch pack {
+        case .classic:
+            settings.theme = settings.classicTheme
+        case .odyssey:
+            settings.theme = .voyage
+        case .interstellar:
+            settings.theme = .eventHorizon
+        }
         TokenStepThemeRuntime.apply(
             settings.theme,
             odysseyChapter: settings.odysseyChapter
diff --git a/TokenStepSwift/Sources/TokenStepSwift/Support/Formatters.swift b/TokenStepSwift/Sources/TokenStepSwift/Support/Formatters.swift
index cf7dc12..2997a2d 100644
--- a/TokenStepSwift/Sources/TokenStepSwift/Support/Formatters.swift
+++ b/TokenStepSwift/Sources/TokenStepSwift/Support/Formatters.swift
@@ -109,44 +109,44 @@ extension Color {
     static var tokenGreen: Color { TokenStepThemeRuntime.palette.accent.color }
     static var tokenGreenDark: Color { TokenStepThemeRuntime.palette.accentDark.color }
     static var tokenToggleTint: Color {
-        TokenStepThemeRuntime.isVoyage ? tokenGreenDark : tokenGreen
+        TokenStepThemeRuntime.isCinematic ? tokenGreenDark : tokenGreen
     }
     static var tokenMint: Color { TokenStepThemeRuntime.palette.accentSoft.color }
     static var tokenTrack: Color { TokenStepThemeRuntime.palette.track.color }
     static var tokenLowActivity: Color { TokenStepThemeRuntime.palette.lowActivity.color }
     static var tokenDivider: Color { TokenStepThemeRuntime.theme.dividerColor }
     static var tokenHairline: Color {
-        TokenStepThemeRuntime.isVoyage
+        TokenStepThemeRuntime.isCinematic
             ? TokenStepThemeRuntime.palette.accentDark.color.opacity(0.22)
             : Color.black.opacity(0.055)
     }
     static var tokenHairlineStrong: Color {
-        TokenStepThemeRuntime.isVoyage
+        TokenStepThemeRuntime.isCinematic
             ? TokenStepThemeRuntime.palette.accent.color.opacity(0.48)
             : Color.black.opacity(0.09)
     }
     static var tokenInnerHighlight: Color {
-        TokenStepThemeRuntime.isVoyage
+        TokenStepThemeRuntime.isCinematic
             ? Color(red: 240 / 255, green: 209 / 255, blue: 156 / 255).opacity(0.08)
             : Color.white.opacity(0.42)
     }
     static var tokenShadow: Color {
-        TokenStepThemeRuntime.isVoyage
+        TokenStepThemeRuntime.isCinematic
             ? Color.black.opacity(0.34)
             : Color.black.opacity(0.055)
     }
     static var tokenActionText: Color {
-        TokenStepThemeRuntime.isVoyage
+        TokenStepThemeRuntime.isCinematic
             ? Color(red: 22 / 255, green: 18 / 255, blue: 14 / 255)
             : Color.white
     }
     static var tokenMutedFill: Color {
-        TokenStepThemeRuntime.isVoyage
+        TokenStepThemeRuntime.isCinematic
             ? TokenStepThemeRuntime.palette.track.color.opacity(0.52)
             : TokenStepThemeRuntime.palette.track.color.opacity(0.42)
     }
     static var tokenWarning: Color {
-        TokenStepThemeRuntime.isVoyage
+        TokenStepThemeRuntime.isCinematic
             ? Color(red: 218 / 255, green: 139 / 255, blue: 67 / 255)
             : Color.orange
     }
diff --git a/TokenStepSwift/Sources/TokenStepSwift/Support/Localization.swift b/TokenStepSwift/Sources/TokenStepSwift/Support/Localization.swift
index b7faa5a..242f4d0 100644
--- a/TokenStepSwift/Sources/TokenStepSwift/Support/Localization.swift
+++ b/TokenStepSwift/Sources/TokenStepSwift/Support/Localization.swift
@@ -372,8 +372,10 @@ enum TokenStepLocalization {
             "远征": "Voyage",
             "经典": "Classic",
             "奥德赛": "Odyssey",
+            "星际": "Interstellar",
             "原版 TokenStep": "Original TokenStep",
             "冷雾 · 骨金 · 火星": "Mist · Bone Gold · Embers",
+            "事件视界 · 象牙光": "Event Horizon · Ivory Light",
             "导演剪辑": "Director's Cut",
             "爱琴海冷雾": "Aegean Mist",
             "特洛伊火海": "Trojan Inferno",
@@ -383,9 +385,13 @@ enum TokenStepLocalization {
             "木马 · 烈火 · 余烬": "Horse · Fire · Embers",
             "神像 · 石纹 · 灰烬": "Relief · Marble · Ash",
             "主题皮肤包": "Theme Skin Pack",
-            "经典配色与奥德赛视觉篇章可随时切换": "Switch between Classic colors and Odyssey chapters anytime",
+            "经典、奥德赛与引力边界可随时切换": "Switch between Classic, Odyssey, and Event Horizon anytime",
             "奥德赛视觉篇章": "Odyssey Visual Chapter",
             "导演剪辑会为不同界面自动分配冷雾、火海与灰烬。": "Director's Cut assigns mist, fire, and ash to the surfaces where they work best.",
+            "引力边界": "Event Horizon",
+            "引力边界 · 近距事件视界": "Event Horizon · Close Approach",
+            "巨大黑洞、象牙白吸积盘与克制电影色；低亮与减少动态时自动静止。": "A monumental black hole, ivory accretion disk, and restrained cinema color; motion pauses in low-light and Reduce Motion states.",
+            "原创动态主题": "Original Motion Theme",
             "经典主题色": "Classic Theme Color",
             "原版 TokenStep 的五种明亮配色": "Five bright palettes from the original TokenStep",
             "默认": "Default",
@@ -669,14 +675,20 @@ enum TokenStepLocalization {
             "省电策略": "Power saving",
             "电池或低电量时后台最短 30 分钟": "On battery or Low Power Mode, background refresh is at least 30 minutes",
             "更新与启动": "Updates and startup",
+            "发布包": "Release package",
+            "GitHub 检查频率暂时受限，请稍后再试。": "GitHub update checks are temporarily rate-limited. Please try again later.",
+            "GitHub 检查频率暂时受限，预计 %@ 后恢复。": "GitHub update checks are rate-limited and should recover after %@.",
+            "发现新的稳定版本，可直接下载并安装已签名公证的 DMG。": "A new stable release is available. Download and install the signed, notarized DMG.",
             "自动检查更新": "Check for updates automatically",
             "榜": "Rank",
         ],
         .zhHant: [
             "经典": "經典",
             "奥德赛": "奧德賽",
+            "星际": "星際",
             "原版 TokenStep": "原版 TokenStep",
             "冷雾 · 骨金 · 火星": "冷霧 · 骨金 · 火星",
+            "事件视界 · 象牙光": "事件視界 · 象牙光",
             "导演剪辑": "導演剪輯",
             "爱琴海冷雾": "愛琴海冷霧",
             "特洛伊火海": "特洛伊火海",
@@ -686,9 +698,17 @@ enum TokenStepLocalization {
             "木马 · 烈火 · 余烬": "木馬 · 烈火 · 餘燼",
             "神像 · 石纹 · 灰烬": "神像 · 石紋 · 灰燼",
             "主题皮肤包": "主題皮膚包",
-            "经典配色与奥德赛视觉篇章可随时切换": "經典配色與奧德賽視覺篇章可隨時切換",
+            "发布包": "發佈包",
+            "GitHub 检查频率暂时受限，请稍后再试。": "GitHub 檢查頻率暫時受限，請稍後再試。",
+            "GitHub 检查频率暂时受限，预计 %@ 后恢复。": "GitHub 檢查頻率暫時受限，預計 %@ 後恢復。",
+            "发现新的稳定版本，可直接下载并安装已签名公证的 DMG。": "發現新的穩定版本，可直接下載並安裝已簽名公證的 DMG。",
+            "经典、奥德赛与引力边界可随时切换": "經典、奧德賽與引力邊界可隨時切換",
             "奥德赛视觉篇章": "奧德賽視覺篇章",
             "导演剪辑会为不同界面自动分配冷雾、火海与灰烬。": "導演剪輯會為不同介面自動分配冷霧、火海與灰燼。",
+            "引力边界": "引力邊界",
+            "引力边界 · 近距事件视界": "引力邊界 · 近距事件視界",
+            "巨大黑洞、象牙白吸积盘与克制电影色；低亮与减少动态时自动静止。": "巨大黑洞、象牙白吸積盤與克制電影色；低亮與減少動態時自動靜止。",
+            "原创动态主题": "原創動態主題",
             "经典主题色": "經典主題色",
             "原版 TokenStep 的五种明亮配色": "原版 TokenStep 的五種明亮配色",
             "切换到%@主题包": "切換到%@主題包",
diff --git a/TokenStepSwift/Sources/TokenStepSwift/Support/Theme.swift b/TokenStepSwift/Sources/TokenStepSwift/Support/Theme.swift
index 3b79b52..2de2551 100644
--- a/TokenStepSwift/Sources/TokenStepSwift/Support/Theme.swift
+++ b/TokenStepSwift/Sources/TokenStepSwift/Support/Theme.swift
@@ -54,6 +54,7 @@ struct TokenStepThemePalette {
 enum TokenStepThemePack: String, CaseIterable, Identifiable, Codable {
     case classic
     case odyssey
+    case interstellar
 
     var id: String { rawValue }
 
@@ -61,6 +62,7 @@ enum TokenStepThemePack: String, CaseIterable, Identifiable, Codable {
         switch self {
         case .classic: return L("经典")
         case .odyssey: return L("奥德赛")
+        case .interstellar: return L("引力边界")
         }
     }
 
@@ -68,6 +70,7 @@ enum TokenStepThemePack: String, CaseIterable, Identifiable, Codable {
         switch self {
         case .classic: return L("原版 TokenStep")
         case .odyssey: return L("冷雾 · 骨金 · 火星")
+        case .interstellar: return L("事件视界 · 象牙光")
         }
     }
 }
@@ -201,6 +204,7 @@ enum TokenStepTheme: String, CaseIterable, Identifiable, Codable {
     case amber
     case graphite
     case voyage
+    case eventHorizon = "event_horizon"
 
     static let classicCases: [TokenStepTheme] = [.green, .ocean, .violet, .amber, .graphite]
 
@@ -214,6 +218,7 @@ enum TokenStepTheme: String, CaseIterable, Identifiable, Codable {
         case .amber: return L("琥珀")
         case .graphite: return L("石墨")
         case .voyage: return L("奥德赛")
+        case .eventHorizon: return L("引力边界")
         }
     }
 
@@ -225,23 +230,34 @@ enum TokenStepTheme: String, CaseIterable, Identifiable, Codable {
         case .amber: return L("温暖")
         case .graphite: return L("专注")
         case .voyage: return L("主题皮肤包")
+        case .eventHorizon: return L("主题皮肤包")
         }
     }
 
     var colorScheme: ColorScheme {
-        self == .voyage ? .dark : .light
+        self == .voyage || self == .eventHorizon ? .dark : .light
     }
 
     var inkColor: Color {
-        self == .voyage
-            ? Color(red: 231 / 255, green: 221 / 255, blue: 200 / 255)
-            : Color(red: 31 / 255, green: 41 / 255, blue: 55 / 255)
+        switch self {
+        case .voyage:
+            return Color(red: 231 / 255, green: 221 / 255, blue: 200 / 255)
+        case .eventHorizon:
+            return Color(red: 244 / 255, green: 239 / 255, blue: 226 / 255)
+        default:
+            return Color(red: 31 / 255, green: 41 / 255, blue: 55 / 255)
+        }
     }
 
     var dividerColor: Color {
-        self == .voyage
-            ? Color(red: 116 / 255, green: 82 / 255, blue: 49 / 255).opacity(0.58)
-            : Color.black.opacity(0.06)
+        switch self {
+        case .voyage:
+            return Color(red: 116 / 255, green: 82 / 255, blue: 49 / 255).opacity(0.58)
+        case .eventHorizon:
+            return Color(red: 194 / 255, green: 177 / 255, blue: 143 / 255).opacity(0.34)
+        default:
+            return Color.black.opacity(0.06)
+        }
     }
 
     var palette: TokenStepThemePalette {
@@ -338,6 +354,24 @@ enum TokenStepTheme: String, CaseIterable, Identifiable, Codable {
             )
         case .voyage:
             return TokenStepOdysseyChapter.directorsCut.palette
+        case .eventHorizon:
+            return TokenStepThemePalette(
+                canvas: .init(red: 5 / 255, green: 8 / 255, blue: 13 / 255),
+                surface: .init(red: 18 / 255, green: 21 / 255, blue: 25 / 255),
+                accent: .init(red: 224 / 255, green: 207 / 255, blue: 169 / 255),
+                accentDark: .init(red: 251 / 255, green: 241 / 255, blue: 213 / 255),
+                accentSoft: .init(red: 87 / 255, green: 80 / 255, blue: 67 / 255),
+                track: .init(red: 47 / 255, green: 49 / 255, blue: 51 / 255),
+                lowActivity: .init(red: 58 / 255, green: 58 / 255, blue: 57 / 255),
+                activity1: .init(red: 101 / 255, green: 96 / 255, blue: 86 / 255),
+                activity2: .init(red: 148 / 255, green: 137 / 255, blue: 113 / 255),
+                activity3: .init(red: 199 / 255, green: 182 / 255, blue: 146 / 255),
+                activity4: .init(red: 244 / 255, green: 231 / 255, blue: 198 / 255),
+                ring1: .init(red: 224 / 255, green: 207 / 255, blue: 169 / 255),
+                ring2: .init(red: 236 / 255, green: 220 / 255, blue: 183 / 255),
+                ring3: .init(red: 247 / 255, green: 234 / 255, blue: 204 / 255),
+                ring4: .init(red: 255 / 255, green: 247 / 255, blue: 224 / 255)
+            )
         }
     }
 }
@@ -351,9 +385,15 @@ enum TokenStepThemeRuntime {
         isOdyssey ? activeOdysseyChapter.palette : activeTheme.palette
     }
     static var isOdyssey: Bool { activeTheme == .voyage }
+    static var isInterstellar: Bool { activeTheme == .eventHorizon }
+    static var isCinematic: Bool { isOdyssey || isInterstellar }
     static var isVoyage: Bool { isOdyssey }
     static var odysseyChapter: TokenStepOdysseyChapter { activeOdysseyChapter }
-    static var themePack: TokenStepThemePack { isOdyssey ? .odyssey : .classic }
+    static var themePack: TokenStepThemePack {
+        if isOdyssey { return .odyssey }
+        if isInterstellar { return .interstellar }
+        return .classic
+    }
 
     static func apply(
         _ theme: TokenStepTheme,
diff --git a/TokenStepSwift/Sources/TokenStepSwift/Views/AgentWorkViews.swift b/TokenStepSwift/Sources/TokenStepSwift/Views/AgentWorkViews.swift
index 586f3a2..c0f2163 100644
--- a/TokenStepSwift/Sources/TokenStepSwift/Views/AgentWorkViews.swift
+++ b/TokenStepSwift/Sources/TokenStepSwift/Views/AgentWorkViews.swift
@@ -88,7 +88,7 @@ struct TodayAgentWorkCard: View {
                 value: "\(selectedActiveHours)/\(period.maximumHours)",
                 detail: AgentWorkCopy.recordedHourDetail,
                 symbol: "clock.fill",
-                color: TokenStepThemeRuntime.isVoyage
+                color: TokenStepThemeRuntime.isCinematic
                     ? TokenStepThemeRuntime.palette.activity2.color
                     : Color(red: 0.20, green: 0.52, blue: 0.92)
             )
@@ -97,7 +97,7 @@ struct TodayAgentWorkCard: View {
                 value: TokenStepFormat.tokens(selectedSevenDayAverage, compact: true),
                 detail: AgentWorkCopy.calendarDayAverage,
                 symbol: "calendar.badge.clock",
-                color: TokenStepThemeRuntime.isVoyage
+                color: TokenStepThemeRuntime.isCinematic
                     ? TokenStepThemeRuntime.palette.activity3.color
                     : Color(red: 0.50, green: 0.28, blue: 0.92)
             )
diff --git a/TokenStepSwift/Sources/TokenStepSwift/Views/Components.swift b/TokenStepSwift/Sources/TokenStepSwift/Views/Components.swift
index adb8d71..043493b 100644
--- a/TokenStepSwift/Sources/TokenStepSwift/Views/Components.swift
+++ b/TokenStepSwift/Sources/TokenStepSwift/Views/Components.swift
@@ -43,7 +43,9 @@ struct TokenStepBackdrop: View {
     var body: some View {
         ZStack {
             Color.tokenCanvas
-            if TokenStepThemeRuntime.isVoyage {
+            if TokenStepThemeRuntime.isInterstellar {
+                InterstellarBackdrop(role: role)
+            } else if TokenStepThemeRuntime.isVoyage {
                 VoyageBackdropAtmosphere(role: role)
             } else {
                 LinearGradient(
@@ -65,7 +67,9 @@ struct TokenStepMark: View {
     var size: CGFloat = 48
 
     var body: some View {
-        if let icon = TokenStepAppIconImage.image {
+        if TokenStepThemeRuntime.isInterstellar {
+            InterstellarTokenStepMark(size: size)
+        } else if let icon = TokenStepAppIconImage.image {
             Image(nsImage: icon)
                 .resizable()
                 .interpolation(.high)
@@ -202,7 +206,7 @@ struct UsageRecalibrationNotice: View {
         }
         .padding(.horizontal, 14)
         .padding(.vertical, 11)
-        .background(Color.tokenSuccess.opacity(TokenStepThemeRuntime.isVoyage ? 0.12 : 0.10), in: RoundedRectangle(cornerRadius: 12, style: .continuous))
+        .background(Color.tokenSuccess.opacity(TokenStepThemeRuntime.isCinematic ? 0.12 : 0.10), in: RoundedRectangle(cornerRadius: 12, style: .continuous))
         .overlay(
             RoundedRectangle(cornerRadius: 12, style: .continuous)
                 .stroke(Color.tokenSuccess.opacity(0.24))
@@ -264,7 +268,7 @@ struct TokenCard<Content: View>: View {
             .background {
                 ZStack {
                     shape.fill(Color.tokenSurface)
-                    if TokenStepThemeRuntime.isVoyage {
+                    if TokenStepThemeRuntime.isCinematic {
                         LinearGradient(
                             colors: [
                                 Color.tokenGreen.opacity(0.055),
@@ -283,6 +287,8 @@ struct TokenCard<Content: View>: View {
                     shape.stroke(Color.tokenHairline)
                     if TokenStepThemeRuntime.isVoyage {
                         VoyageCardOrnament(cornerRadius: 24)
+                    } else if TokenStepThemeRuntime.isInterstellar {
+                        InterstellarCardOrnament(cornerRadius: 24)
                     }
                 }
             }
@@ -724,7 +730,7 @@ func contributionColor(tokens: Int, goal: Int) -> Color {
 }
 
 func tokenToolColor(_ tool: String) -> Color {
-    if TokenStepThemeRuntime.theme == .voyage {
+    if TokenStepThemeRuntime.isCinematic {
         let value = tool.lowercased()
         let palette = TokenStepThemeRuntime.palette
         if value.contains("codex") { return palette.activity4.color }
diff --git a/TokenStepSwift/Sources/TokenStepSwift/Views/CursorCodeSignalCard.swift b/TokenStepSwift/Sources/TokenStepSwift/Views/CursorCodeSignalCard.swift
index 09a42eb..00b4439 100644
--- a/TokenStepSwift/Sources/TokenStepSwift/Views/CursorCodeSignalCard.swift
+++ b/TokenStepSwift/Sources/TokenStepSwift/Views/CursorCodeSignalCard.swift
@@ -49,12 +49,12 @@ struct CursorCodeSignalCard: View {
         }
         .overlay(
             RoundedRectangle(cornerRadius: 24, style: .continuous)
-                .stroke(TokenStepThemeRuntime.isVoyage ? Color.tokenHairlineStrong : Color(red: 0.42, green: 0.36, blue: 0.82).opacity(0.18))
+                .stroke(TokenStepThemeRuntime.isCinematic ? Color.tokenHairlineStrong : Color(red: 0.42, green: 0.36, blue: 0.82).opacity(0.18))
         )
     }
 
     private func modelDot(_ index: Int) -> Color {
-        if TokenStepThemeRuntime.isVoyage {
+        if TokenStepThemeRuntime.isCinematic {
             let colors = [
                 TokenStepThemeRuntime.palette.activity4.color,
                 TokenStepThemeRuntime.palette.activity3.color,
diff --git a/TokenStepSwift/Sources/TokenStepSwift/Views/HistoryView.swift b/TokenStepSwift/Sources/TokenStepSwift/Views/HistoryView.swift
index e8928b3..361111f 100644
--- a/TokenStepSwift/Sources/TokenStepSwift/Views/HistoryView.swift
+++ b/TokenStepSwift/Sources/TokenStepSwift/Views/HistoryView.swift
@@ -38,6 +38,11 @@ struct HistoryView: View {
                         .frame(width: 260, height: 116)
                         .padding(18)
                         .opacity(0.46)
+                } else if TokenStepThemeRuntime.isInterstellar {
+                    InterstellarEventHorizonEmblem()
+                        .frame(width: 260, height: 108)
+                        .padding(18)
+                        .opacity(0.38)
                 }
             }
 
diff --git a/TokenStepSwift/Sources/TokenStepSwift/Views/InterstellarSkin.swift b/TokenStepSwift/Sources/TokenStepSwift/Views/InterstellarSkin.swift
new file mode 100644
index 0000000..70ccbc4
--- /dev/null
+++ b/TokenStepSwift/Sources/TokenStepSwift/Views/InterstellarSkin.swift
@@ -0,0 +1,365 @@
+import AppKit
+import SwiftUI
+
+enum InterstellarMotionPolicy {
+    static let preferredFramesPerSecond = 24
+
+    static func shouldAnimate(
+        reduceMotion: Bool,
+        isScreenshotRendering: Bool,
+        isControlActive: Bool
+    ) -> Bool {
+        !reduceMotion && !isScreenshotRendering && isControlActive
+    }
+}
+
+enum InterstellarArtwork {
+    private static let hero = load(
+        resource: "InterstellarEventHorizonHero",
+        environmentKey: "TOKENSTEP_INTERSTELLAR_HERO_ART_PATH"
+    )
+    private static let quiet = load(
+        resource: "InterstellarEventHorizonQuiet",
+        environmentKey: "TOKENSTEP_INTERSTELLAR_QUIET_ART_PATH"
+    )
+
+    static func image(quiet prefersQuiet: Bool) -> NSImage? {
+        prefersQuiet ? (quiet ?? hero) : (hero ?? quiet)
+    }
+
+    private static func load(resource: String, environmentKey: String) -> NSImage? {
+        if let path = ProcessInfo.processInfo.environment[environmentKey],
+           !path.isEmpty,
+           let image = NSImage(contentsOfFile: path) {
+            return image
+        }
+        if let url = Bundle.main.url(forResource: resource, withExtension: "png"),
+           let image = NSImage(contentsOf: url) {
+            return image
+        }
+        return NSImage(named: resource)
+    }
+}
+
+struct InterstellarBackdrop: View {
+    var role: OdysseySurfaceRole = .generic
+    var isScreenshotRendering = false
+
+    @Environment(\.accessibilityReduceMotion) private var reduceMotion
+    @Environment(\.controlActiveState) private var controlActiveState
+
+    private var usesQuietArtwork: Bool {
+        reduceMotion || [.history, .privacy, .settings, .update].contains(role)
+    }
+
+    private var motionEnabled: Bool {
+        InterstellarMotionPolicy.shouldAnimate(
+            reduceMotion: reduceMotion,
+            isScreenshotRendering: isScreenshotRendering,
+            isControlActive: controlActiveState != .inactive
+        )
+    }
+
+    var body: some View {
+        GeometryReader { proxy in
+            ZStack {
+                Color(red: 4 / 255, green: 7 / 255, blue: 12 / 255)
+
+                if let artwork = InterstellarArtwork.image(quiet: usesQuietArtwork) {
+                    Image(nsImage: artwork)
+                        .resizable()
+                        .interpolation(.high)
+                        .scaledToFill()
+                        .frame(width: proxy.size.width, height: proxy.size.height)
+                        .clipped()
+                } else {
+                    InterstellarFallbackPlate()
+                }
+
+                InterstellarAccretionMotionLayer(isActive: motionEnabled)
+
+                Color.black.opacity(roleVeilOpacity)
+
+                LinearGradient(
+                    colors: [
+                        Color.black.opacity(0.10),
+                        Color.clear,
+                        Color(red: 4 / 255, green: 7 / 255, blue: 12 / 255).opacity(0.62)
+                    ],
+                    startPoint: .topLeading,
+                    endPoint: .bottomTrailing
+                )
+
+                LinearGradient(
+                    colors: [Color.clear, Color.black.opacity(bottomVeilOpacity)],
+                    startPoint: .center,
+                    endPoint: .bottom
+                )
+            }
+            .frame(width: proxy.size.width, height: proxy.size.height)
+        }
+        .ignoresSafeArea()
+        .allowsHitTesting(false)
+        .accessibilityHidden(true)
+    }
+
+    private var roleVeilOpacity: Double {
+        switch role {
+        case .popover: return 0.16
+        case .dashboard: return 0.28
+        case .share: return 0.12
+        case .history: return 0.43
+        case .privacy: return 0.52
+        case .settings: return 0.50
+        case .update: return 0.42
+        case .island: return 0.30
+        case .generic: return 0.36
+        }
+    }
+
+    private var bottomVeilOpacity: Double {
+        switch role {
+        case .popover, .share: return 0.22
+        default: return 0.44
+        }
+    }
+}
+
+private struct InterstellarAccretionMotionLayer: View {
+    var isActive: Bool
+
+    var body: some View {
+        TimelineView(
+            .animation(
+                minimumInterval: 1 / Double(InterstellarMotionPolicy.preferredFramesPerSecond),
+                paused: !isActive
+            )
+        ) { timeline in
+            let time = timeline.date.timeIntervalSinceReferenceDate
+            GeometryReader { proxy in
+                let phase = CGFloat(time.truncatingRemainder(dividingBy: 36) / 36)
+                let breath = 0.5 + 0.5 * sin(time * 0.22)
+                ZStack {
+                    RadialGradient(
+                        colors: [
+                            Color(red: 1.0, green: 0.96, blue: 0.84).opacity(0.075 + breath * 0.035),
+                            Color.clear
+                        ],
+                        center: UnitPoint(x: 0.42, y: 0.38),
+                        startRadius: 2,
+                        endRadius: max(proxy.size.width, proxy.size.height) * 0.28
+                    )
+                    .blendMode(.screen)
+
+                    LinearGradient(
+                        stops: [
+                            .init(color: .clear, location: 0.00),
+                            .init(color: Color.white.opacity(0.015), location: 0.35),
+                            .init(color: Color(red: 1.0, green: 0.95, blue: 0.80).opacity(0.13), location: 0.49),
+                            .init(color: Color.white.opacity(0.018), location: 0.64),
+                            .init(color: .clear, location: 1.00)
+                        ],
+                        startPoint: .leading,
+                        endPoint: .trailing
+                    )
+                    .frame(width: proxy.size.width * 0.72, height: max(2, proxy.size.height * 0.012))
+                    .blur(radius: 2.4)
+                    .offset(
+                        x: -proxy.size.width * 0.36 + phase * proxy.size.width * 1.08,
+                        y: proxy.size.height * 0.015
+                    )
+                    .blendMode(.screen)
+
+                    LinearGradient(
+                        colors: [Color.clear, Color.white.opacity(0.055), Color.clear],
+                        startPoint: .leading,
+                        endPoint: .trailing
+                    )
+                    .frame(width: proxy.size.width * 0.34, height: 1)
+                    .offset(
+                        x: proxy.size.width * (0.18 - phase * 0.42),
+                        y: proxy.size.height * 0.055
+                    )
+                    .blendMode(.screen)
+                }
+                .frame(width: proxy.size.width, height: proxy.size.height)
+            }
+        }
+        .opacity(isActive ? 1 : 0)
+    }
+}
+
+private struct InterstellarFallbackPlate: View {
+    var body: some View {
+        GeometryReader { proxy in
+            ZStack {
+                LinearGradient(
+                    colors: [Color.black, Color(red: 8 / 255, green: 13 / 255, blue: 20 / 255)],
+                    startPoint: .topLeading,
+                    endPoint: .bottomTrailing
+                )
+                Circle()
+                    .fill(Color.black)
+                    .frame(width: proxy.size.width * 0.72)
+                    .offset(x: -proxy.size.width * 0.30, y: -proxy.size.height * 0.18)
+                Capsule()
+                    .fill(
+                        LinearGradient(
+                            colors: [Color.clear, Color(red: 1.0, green: 0.95, blue: 0.82), Color.clear],
+                            startPoint: .leading,
+                            endPoint: .trailing
+                        )
+                    )
+                    .frame(width: proxy.size.width * 1.15, height: 4)
+                    .shadow(color: Color.white.opacity(0.55), radius: 14)
+            }
+        }
+    }
+}
+
+struct InterstellarPanelBackground: View {
+    var opacity: Double = 0.70
+    var cornerRadius: CGFloat = 18
+
+    var body: some View {
+        let shape = RoundedRectangle(cornerRadius: cornerRadius, style: .continuous)
+        shape
+            .fill(Color(red: 8 / 255, green: 11 / 255, blue: 16 / 255).opacity(opacity))
+            .overlay(shape.stroke(Color.tokenHairlineStrong.opacity(0.82), lineWidth: 1))
+            .overlay(alignment: .topLeading) {
+                LinearGradient(
+                    colors: [Color.tokenGreenDark.opacity(0.70), Color.tokenGreen.opacity(0.08), Color.clear],
+                    startPoint: .leading,
+                    endPoint: .trailing
+                )
+                .frame(width: 128, height: 1)
+                .padding(.leading, 18)
+            }
+            .shadow(color: Color.black.opacity(0.30), radius: 18, y: 9)
+    }
+}
+
+struct InterstellarWindowFrame: View {
+    var inset: CGFloat = 8
+
+    var body: some View {
+        GeometryReader { proxy in
+            let shape = RoundedRectangle(cornerRadius: 20, style: .continuous)
+            ZStack {
+                shape
+                    .stroke(Color.tokenHairlineStrong.opacity(0.78), lineWidth: 1)
+                    .padding(inset)
+                ForEach(0..<4, id: \.self) { index in
+                    let x = index < 2 ? inset + 16 : proxy.size.width - inset - 16
+                    let y = index.isMultiple(of: 2) ? inset + 1 : proxy.size.height - inset - 1
+                    Capsule()
+                        .fill(Color.tokenGreenDark.opacity(0.66))
+                        .frame(width: min(120, proxy.size.width * 0.16), height: 1)
+                        .position(x: x + (index < 2 ? 48 : -48), y: y)
+                }
+            }
+        }
+        .allowsHitTesting(false)
+        .accessibilityHidden(true)
+    }
+}
+
+struct InterstellarCardOrnament: View {
+    var cornerRadius: CGFloat = 24
+
+    var body: some View {
+        RoundedRectangle(cornerRadius: cornerRadius, style: .continuous)
+            .stroke(Color.tokenInnerHighlight.opacity(0.72), lineWidth: 1)
+            .padding(1)
+            .overlay(alignment: .topLeading) {
+                Capsule()
+                    .fill(Color.tokenGreenDark.opacity(0.64))
+                    .frame(width: 82, height: 1)
+                    .padding(.leading, 20)
+            }
+            .allowsHitTesting(false)
+    }
+}
+
+struct InterstellarEventHorizonEmblem: View {
+    var body: some View {
+        GeometryReader { proxy in
+            ZStack {
+                Ellipse()
+                    .stroke(Color.tokenGreenDark.opacity(0.42), lineWidth: 2)
+                    .frame(width: proxy.size.width * 0.92, height: proxy.size.height * 0.24)
+                    .rotationEffect(.degrees(-5))
+                Circle()
+                    .fill(Color.black.opacity(0.96))
+                    .overlay(Circle().stroke(Color.tokenGreenDark.opacity(0.54), lineWidth: 1.5))
+                    .frame(width: min(proxy.size.width, proxy.size.height) * 0.54)
+                Capsule()
+                    .fill(
+                        LinearGradient(
+                            colors: [Color.clear, Color.tokenGreenDark.opacity(0.9), Color.clear],
+                            startPoint: .leading,
+                            endPoint: .trailing
+                        )
+                    )
+                    .frame(width: proxy.size.width, height: 2)
+            }
+        }
+        .allowsHitTesting(false)
+        .accessibilityHidden(true)
+    }
+}
+
+struct InterstellarTokenStepMark: View {
+    var size: CGFloat
+
+    var body: some View {
+        ZStack {
+            RoundedRectangle(cornerRadius: size * 0.27, style: .continuous)
+                .fill(Color(red: 7 / 255, green: 10 / 255, blue: 15 / 255))
+                .overlay(
+                    RoundedRectangle(cornerRadius: size * 0.27, style: .continuous)
+                        .stroke(Color.tokenGreen.opacity(0.50), lineWidth: max(0.8, size * 0.02))
+                )
+            Ellipse()
+                .stroke(Color.tokenGreenDark.opacity(0.86), lineWidth: max(1.2, size * 0.055))
+                .frame(width: size * 0.72, height: size * 0.20)
+                .shadow(color: Color.tokenGreenDark.opacity(0.30), radius: size * 0.08)
+            Circle()
+                .fill(Color.black)
+                .overlay(Circle().stroke(Color.tokenGreenDark.opacity(0.72), lineWidth: max(0.7, size * 0.025)))
+                .frame(width: size * 0.34, height: size * 0.34)
+            Capsule()
+                .fill(Color.tokenGreenDark)
+                .frame(width: size * 0.68, height: max(1, size * 0.035))
+        }
+        .frame(width: size, height: size)
+    }
+}
+
+struct InterstellarThemePreview: View {
+    var body: some View {
+        ZStack {
+            RoundedRectangle(cornerRadius: 13, style: .continuous)
+                .fill(
+                    LinearGradient(
+                        colors: [Color.black, Color(red: 11 / 255, green: 16 / 255, blue: 24 / 255)],
+                        startPoint: .topLeading,
+                        endPoint: .bottomTrailing
+                    )
+                )
+            Ellipse()
+                .stroke(Color.tokenGreenDark.opacity(0.88), lineWidth: 3)
+                .frame(width: 50, height: 13)
+                .offset(x: -7)
+            Circle()
+                .fill(Color.black)
+                .frame(width: 20, height: 20)
+                .offset(x: -8)
+            Capsule()
+                .fill(Color.tokenGreenDark)
+                .frame(width: 51, height: 2)
+                .offset(x: 2)
+        }
+        .overlay(RoundedRectangle(cornerRadius: 13, style: .continuous).stroke(Color.tokenGreen.opacity(0.48)))
+    }
+}
diff --git a/TokenStepSwift/Sources/TokenStepSwift/Views/MainWindowView.swift b/TokenStepSwift/Sources/TokenStepSwift/Views/MainWindowView.swift
index 9aea5c3..9e17d27 100644
--- a/TokenStepSwift/Sources/TokenStepSwift/Views/MainWindowView.swift
+++ b/TokenStepSwift/Sources/TokenStepSwift/Views/MainWindowView.swift
@@ -81,6 +81,8 @@ struct MainWindowView: View {
         .overlay {
             if TokenStepThemeRuntime.isVoyage {
                 VoyageWindowFrame(inset: 8)
+            } else if TokenStepThemeRuntime.isInterstellar {
+                InterstellarWindowFrame(inset: 8)
             }
         }
         .environment(\.colorScheme, appState.settings.theme.colorScheme)
@@ -163,7 +165,7 @@ struct MainWindowView: View {
         .background {
             ZStack {
                 Color.tokenSurface.opacity(0.94)
-                if TokenStepThemeRuntime.isVoyage {
+                if TokenStepThemeRuntime.isCinematic {
                     LinearGradient(
                         colors: [Color.tokenGreen.opacity(0.085), Color.clear, Color.tokenGreenDark.opacity(0.03)],
                         startPoint: .leading,
@@ -291,13 +293,13 @@ private struct DashboardTabButton: View {
                 .frame(height: 28)
                 .background(
                     selected
-                        ? (TokenStepThemeRuntime.isVoyage ? Color.tokenGreen.opacity(0.16) : Color.tokenSurface)
+                        ? (TokenStepThemeRuntime.isCinematic ? Color.tokenGreen.opacity(0.16) : Color.tokenSurface)
                         : Color.clear,
                     in: RoundedRectangle(cornerRadius: 7, style: .continuous)
                 )
                 .overlay(
                     RoundedRectangle(cornerRadius: 7, style: .continuous)
-                        .stroke(selected && TokenStepThemeRuntime.isVoyage ? Color.tokenHairlineStrong : Color.clear)
+                        .stroke(selected && TokenStepThemeRuntime.isCinematic ? Color.tokenHairlineStrong : Color.clear)
                 )
                 .shadow(color: selected ? Color.tokenShadow : .clear, radius: 3, y: 1)
         }
diff --git a/TokenStepSwift/Sources/TokenStepSwift/Views/Popover/PopoverAgentWorkTable.swift b/TokenStepSwift/Sources/TokenStepSwift/Views/Popover/PopoverAgentWorkTable.swift
index bb736fe..26b7ec4 100644
--- a/TokenStepSwift/Sources/TokenStepSwift/Views/Popover/PopoverAgentWorkTable.swift
+++ b/TokenStepSwift/Sources/TokenStepSwift/Views/Popover/PopoverAgentWorkTable.swift
@@ -8,7 +8,7 @@ struct PopoverAgentWorkTable: View {
     }
 
     var body: some View {
-        let voyage = TokenStepThemeRuntime.isVoyage
+        let voyage = TokenStepThemeRuntime.isCinematic
         return VStack(alignment: .leading, spacing: 0) {
             HStack {
                 Text(L("Agent 用量"))
@@ -44,7 +44,7 @@ struct PopoverAgentWorkTable: View {
     }
 
     private var header: some View {
-        let voyage = TokenStepThemeRuntime.isVoyage
+        let voyage = TokenStepThemeRuntime.isCinematic
         return HStack(spacing: 10) {
             Text(L("来源")).frame(maxWidth: .infinity, alignment: .leading)
             Text(L("Token")).frame(width: voyage ? 88 : 72, alignment: .trailing)
@@ -54,7 +54,7 @@ struct PopoverAgentWorkTable: View {
     }
 
     private func rowView(_ row: AgentWorkSource) -> some View {
-        let voyage = TokenStepThemeRuntime.isVoyage
+        let voyage = TokenStepThemeRuntime.isCinematic
         return HStack(alignment: .center, spacing: 10) {
             HStack(alignment: .center, spacing: 6) {
                 Circle()
diff --git a/TokenStepSwift/Sources/TokenStepSwift/Views/Popover/PopoverFooterView.swift b/TokenStepSwift/Sources/TokenStepSwift/Views/Popover/PopoverFooterView.swift
index 4e092dc..8aca293 100644
--- a/TokenStepSwift/Sources/TokenStepSwift/Views/Popover/PopoverFooterView.swift
+++ b/TokenStepSwift/Sources/TokenStepSwift/Views/Popover/PopoverFooterView.swift
@@ -6,7 +6,7 @@ struct PopoverFooterView: View {
 
     var body: some View {
         Group {
-            if TokenStepThemeRuntime.isVoyage {
+            if TokenStepThemeRuntime.isCinematic {
                 odysseyFooter
             } else {
                 classicFooter
diff --git a/TokenStepSwift/Sources/TokenStepSwift/Views/Popover/PopoverModelUsageSection.swift b/TokenStepSwift/Sources/TokenStepSwift/Views/Popover/PopoverModelUsageSection.swift
index c138996..0fabac2 100644
--- a/TokenStepSwift/Sources/TokenStepSwift/Views/Popover/PopoverModelUsageSection.swift
+++ b/TokenStepSwift/Sources/TokenStepSwift/Views/Popover/PopoverModelUsageSection.swift
@@ -121,7 +121,7 @@ struct PopoverModelUsageSection: View {
                 }
             }
         }
-        .padding(.horizontal, TokenStepThemeRuntime.isVoyage ? 14 : 12)
+        .padding(.horizontal, TokenStepThemeRuntime.isCinematic ? 14 : 12)
         .padding(.vertical, 8)
         .frame(maxWidth: .infinity, alignment: .topLeading)
     }
@@ -129,7 +129,7 @@ struct PopoverModelUsageSection: View {
     private func header(mismatch: Bool) -> some View {
         HStack(spacing: 7) {
             Text(L("今日模型"))
-                .font((TokenStepThemeRuntime.isVoyage ? Font.callout : Font.caption).weight(.heavy))
+                .font((TokenStepThemeRuntime.isCinematic ? Font.callout : Font.caption).weight(.heavy))
                 .foregroundStyle(Color.tokenInk)
             Spacer(minLength: 4)
             if mismatch {
@@ -178,7 +178,7 @@ struct PopoverModelUsageSection: View {
                     .frame(width: 44, alignment: .trailing)
                     .monospacedDigit()
             }
-            .font(.system(size: TokenStepThemeRuntime.isVoyage ? 10.5 : 10, weight: .semibold))
+            .font(.system(size: TokenStepThemeRuntime.isCinematic ? 10.5 : 10, weight: .semibold))
             .foregroundStyle(Color.tokenInk.opacity(0.82))
 
             GeometryReader { proxy in
@@ -212,7 +212,7 @@ struct PopoverModelUsageSection: View {
         guard let slot = row.colorSlot else {
             return Color.secondary.opacity(0.72)
         }
-        if TokenStepThemeRuntime.isVoyage {
+        if TokenStepThemeRuntime.isCinematic {
             switch slot {
             case 0: return .tokenGreen
             case 1: return TokenStepThemeRuntime.palette.activity3.color
diff --git a/TokenStepSwift/Sources/TokenStepSwift/Views/Popover/PopoverQuotaCard.swift b/TokenStepSwift/Sources/TokenStepSwift/Views/Popover/PopoverQuotaCard.swift
index 8064312..61c0f42 100644
--- a/TokenStepSwift/Sources/TokenStepSwift/Views/Popover/PopoverQuotaCard.swift
+++ b/TokenStepSwift/Sources/TokenStepSwift/Views/Popover/PopoverQuotaCard.swift
@@ -4,7 +4,7 @@ struct PopoverQuotaCard: View {
     @EnvironmentObject private var appState: AppState
 
     var body: some View {
-        let voyage = TokenStepThemeRuntime.isVoyage
+        let voyage = TokenStepThemeRuntime.isCinematic
         return VStack(alignment: .leading, spacing: voyage ? 12 : 10) {
             HStack(spacing: 8) {
                 Text(L("订阅额度"))
@@ -57,7 +57,7 @@ struct PopoverQuotaCard: View {
     }
 
     private func quotaChip(_ quota: ProviderQuota) -> some View {
-        let voyage = TokenStepThemeRuntime.isVoyage
+        let voyage = TokenStepThemeRuntime.isCinematic
         return VStack(alignment: .leading, spacing: voyage ? 4 : 6) {
             Text(quota.provider.displayName)
                 .font((voyage ? Font.system(size: 11.5) : Font.caption2).weight(.heavy))
@@ -80,7 +80,7 @@ struct PopoverQuotaCard: View {
     }
 
     private func quotaRow(_ window: QuotaWindow) -> some View {
-        let voyage = TokenStepThemeRuntime.isVoyage
+        let voyage = TokenStepThemeRuntime.isCinematic
         return VStack(alignment: .leading, spacing: voyage ? 3 : 4) {
             HStack {
                 Text(window.kind.shortTitle)
diff --git a/TokenStepSwift/Sources/TokenStepSwift/Views/Popover/PopoverTodayRingCard.swift b/TokenStepSwift/Sources/TokenStepSwift/Views/Popover/PopoverTodayRingCard.swift
index 16d6621..d506433 100644
--- a/TokenStepSwift/Sources/TokenStepSwift/Views/Popover/PopoverTodayRingCard.swift
+++ b/TokenStepSwift/Sources/TokenStepSwift/Views/Popover/PopoverTodayRingCard.swift
@@ -5,7 +5,7 @@ struct PopoverTodayRingCard: View {
 
     var body: some View {
         let lap = appState.todayLap
-        let voyage = TokenStepThemeRuntime.isVoyage
+        let voyage = TokenStepThemeRuntime.isCinematic
         let ringSize: CGFloat = voyage ? 164 : 118
         let lineWidth: CGFloat = voyage ? 14 : 12
 
@@ -21,12 +21,22 @@ struct PopoverTodayRingCard: View {
             }
 
             ZStack {
-                if voyage {
+                if TokenStepThemeRuntime.isVoyage {
                     Circle()
                         .fill(Color.tokenCanvas.opacity(0.42))
                         .padding(12)
                         .blur(radius: 0.2)
                     VoyageBowProgressView(progress: lap.currentLapProgress, lineWidth: lineWidth, color: lap.ringColor)
+                } else if TokenStepThemeRuntime.isInterstellar {
+                    Circle()
+                        .fill(Color.black.opacity(0.52))
+                        .padding(12)
+                    ProgressRingView(progress: lap.currentLapProgress, lineWidth: lineWidth, color: lap.ringColor)
+                        .overlay {
+                            InterstellarEventHorizonEmblem()
+                                .padding(30)
+                                .opacity(0.50)
+                        }
                 } else {
                     ProgressRingView(progress: lap.currentLapProgress, lineWidth: lineWidth, color: lap.ringColor)
                 }
diff --git a/TokenStepSwift/Sources/TokenStepSwift/Views/Popover/PopoverTokenRankCard.swift b/TokenStepSwift/Sources/TokenStepSwift/Views/Popover/PopoverTokenRankCard.swift
index 34117c3..3c17181 100644
--- a/TokenStepSwift/Sources/TokenStepSwift/Views/Popover/PopoverTokenRankCard.swift
+++ b/TokenStepSwift/Sources/TokenStepSwift/Views/Popover/PopoverTokenRankCard.swift
@@ -273,21 +273,21 @@ struct PopoverTokenRankCard: View {
                 VStack(alignment: .leading, spacing: 4) {
                     Text(L("全榜今日消耗"))
                         .font(.system(size: 10.5, weight: .heavy))
-                        .foregroundStyle(TokenStepThemeRuntime.isVoyage ? Color.tokenInk.opacity(0.62) : Color.white.opacity(0.62))
+                        .foregroundStyle(TokenStepThemeRuntime.isCinematic ? Color.tokenInk.opacity(0.62) : Color.white.opacity(0.62))
                     Text(totalRankTokensText)
                         .font(.system(size: 22, weight: .heavy, design: .rounded))
-                        .foregroundStyle(TokenStepThemeRuntime.isVoyage ? Color.tokenInk : Color.white)
+                        .foregroundStyle(TokenStepThemeRuntime.isCinematic ? Color.tokenInk : Color.white)
                         .monospacedDigit()
                     if let count = appState.tokenRank?.totalRankedUsers, count > 0 {
                         Text(LFormat("%d 人参榜", count))
                             .font(.caption2.weight(.bold))
-                            .foregroundStyle(TokenStepThemeRuntime.isVoyage ? Color.tokenInk.opacity(0.62) : Color.white.opacity(0.62))
+                            .foregroundStyle(TokenStepThemeRuntime.isCinematic ? Color.tokenInk.opacity(0.62) : Color.white.opacity(0.62))
                     }
                 }
                 .padding(10)
                 .frame(maxWidth: .infinity, alignment: .leading)
                 .background(
-                    TokenStepThemeRuntime.isVoyage
+                    TokenStepThemeRuntime.isCinematic
                         ? Color.tokenGreen.opacity(0.11)
                         : Color(red: 0.12, green: 0.18, blue: 0.14),
                     in: RoundedRectangle(cornerRadius: 12, style: .continuous)
diff --git a/TokenStepSwift/Sources/TokenStepSwift/Views/PopoverPanelView.swift b/TokenStepSwift/Sources/TokenStepSwift/Views/PopoverPanelView.swift
index 21edd9e..c6c2d5e 100644
--- a/TokenStepSwift/Sources/TokenStepSwift/Views/PopoverPanelView.swift
+++ b/TokenStepSwift/Sources/TokenStepSwift/Views/PopoverPanelView.swift
@@ -9,20 +9,22 @@ struct PopoverPanelView: View {
     var body: some View {
         VStack(alignment: .leading, spacing: 0) {
             header
-            if TokenStepThemeRuntime.isVoyage {
-                odysseyContent
+            if TokenStepThemeRuntime.isCinematic {
+                cinematicContent
             } else {
                 classicColumns
             }
             notices
             PopoverFooterView()
-                .padding(.horizontal, TokenStepThemeRuntime.isVoyage ? 22 : 16)
-                .padding(.top, TokenStepThemeRuntime.isVoyage ? 14 : 12)
-                .padding(.bottom, TokenStepThemeRuntime.isVoyage ? 20 : 14)
+                .padding(.horizontal, TokenStepThemeRuntime.isCinematic ? 22 : 16)
+                .padding(.top, TokenStepThemeRuntime.isCinematic ? 14 : 12)
+                .padding(.bottom, TokenStepThemeRuntime.isCinematic ? 20 : 14)
         }
         .frame(width: 900)
         .background {
-            if TokenStepThemeRuntime.isVoyage {
+            if TokenStepThemeRuntime.isInterstellar {
+                InterstellarBackdrop(role: .popover, isScreenshotRendering: isScreenshotRendering)
+            } else if TokenStepThemeRuntime.isVoyage {
                 OdysseyPopoverBackdrop(
                     isMotionSurfaceActive: odysseyMotionSurfaceVisible,
                     isScreenshotRendering: isScreenshotRendering
@@ -40,6 +42,8 @@ struct PopoverPanelView: View {
         .overlay {
             if TokenStepThemeRuntime.isVoyage {
                 OdysseyPopoverWindowFrame(inset: 7)
+            } else if TokenStepThemeRuntime.isInterstellar {
+                InterstellarWindowFrame(inset: 7)
             }
         }
         .environment(\.colorScheme, appState.settings.theme.colorScheme)
@@ -57,8 +61,8 @@ struct PopoverPanelView: View {
     private var header: some View {
         HStack(spacing: 10) {
             TokenStepBrandLockup(
-                markSize: TokenStepThemeRuntime.isVoyage ? 34 : 28,
-                titleSize: TokenStepThemeRuntime.isVoyage ? 20 : 17
+                markSize: TokenStepThemeRuntime.isCinematic ? 34 : 28,
+                titleSize: TokenStepThemeRuntime.isCinematic ? 20 : 17
             )
             Spacer()
             HStack(spacing: 6) {
@@ -86,10 +90,10 @@ struct PopoverPanelView: View {
                 )
             }
         }
-        .padding(.horizontal, TokenStepThemeRuntime.isVoyage ? 26 : 16)
-        .frame(height: TokenStepThemeRuntime.isVoyage ? 72 : 48)
+        .padding(.horizontal, TokenStepThemeRuntime.isCinematic ? 26 : 16)
+        .frame(height: TokenStepThemeRuntime.isCinematic ? 72 : 48)
         .background {
-            if TokenStepThemeRuntime.isVoyage {
+            if TokenStepThemeRuntime.isCinematic {
                 LinearGradient(
                     colors: [Color.black.opacity(0.30), Color.tokenCanvas.opacity(0.12), Color.black.opacity(0.16)],
                     startPoint: .leading,
@@ -98,7 +102,7 @@ struct PopoverPanelView: View {
             }
         }
         .overlay(alignment: .bottom) {
-            if TokenStepThemeRuntime.isVoyage {
+            if TokenStepThemeRuntime.isCinematic {
                 LinearGradient(
                     colors: [Color.tokenGreen.opacity(0.58), Color.tokenDivider.opacity(0.34), Color.clear],
                     startPoint: .leading,
@@ -110,23 +114,23 @@ struct PopoverPanelView: View {
         }
     }
 
-    private var odysseyContent: some View {
+    private var cinematicContent: some View {
         VStack(spacing: 10) {
             HStack(alignment: .top, spacing: 10) {
                 PopoverTodayRingCard()
                     .frame(width: 250, height: odysseyTopCardHeight)
-                    .background(OdysseyPopoverSectionBackground(opacity: 0.16))
+                    .background(cinematicSectionBackground(opacity: TokenStepThemeRuntime.isInterstellar ? 0.66 : 0.16))
                     .clipShape(RoundedRectangle(cornerRadius: 18, style: .continuous))
 
                 centralUsageCard
                     .frame(minWidth: 330, maxWidth: .infinity, minHeight: odysseyTopCardHeight, maxHeight: odysseyTopCardHeight)
-                    .background(OdysseyPopoverSectionBackground(opacity: 0.46))
+                    .background(cinematicSectionBackground(opacity: TokenStepThemeRuntime.isInterstellar ? 0.70 : 0.46))
                     .clipShape(RoundedRectangle(cornerRadius: 18, style: .continuous))
 
                 if appState.showsQuotaColumn {
                     PopoverQuotaCard()
                         .frame(width: 260, height: odysseyTopCardHeight)
-                        .background(OdysseyPopoverSectionBackground(opacity: 0.54))
+                        .background(cinematicSectionBackground(opacity: TokenStepThemeRuntime.isInterstellar ? 0.74 : 0.54))
                         .clipShape(RoundedRectangle(cornerRadius: 18, style: .continuous))
                 }
             }
@@ -134,7 +138,7 @@ struct PopoverPanelView: View {
             if appState.shouldShowAgentWorkRank, appState.agentWorkRankIdentity != nil {
                 PopoverTokenRankCard(layout: .ribbon)
                     .frame(height: 76)
-                    .background(OdysseyPopoverSectionBackground(opacity: 0.58, cornerRadius: 16))
+                    .background(cinematicSectionBackground(opacity: TokenStepThemeRuntime.isInterstellar ? 0.76 : 0.58, cornerRadius: 16))
                     .clipShape(RoundedRectangle(cornerRadius: 16, style: .continuous))
             }
         }
@@ -174,6 +178,15 @@ struct PopoverPanelView: View {
 
     private var odysseyTopCardHeight: CGFloat { 288 }
 
+    @ViewBuilder
+    private func cinematicSectionBackground(opacity: Double, cornerRadius: CGFloat = 18) -> some View {
+        if TokenStepThemeRuntime.isInterstellar {
+            InterstellarPanelBackground(opacity: opacity, cornerRadius: cornerRadius)
+        } else {
+            OdysseyPopoverSectionBackground(opacity: opacity, cornerRadius: cornerRadius)
+        }
+    }
+
     private var showsModelUsageSection: Bool {
         switch PopoverModelUsageRows.state(from: appState.today) {
         case .hidden: return false
@@ -182,7 +195,7 @@ struct PopoverPanelView: View {
     }
 
     private var centralUsageCard: some View {
-        let voyage = TokenStepThemeRuntime.isVoyage
+        let voyage = TokenStepThemeRuntime.isCinematic
         return VStack(spacing: 0) {
             PopoverAgentWorkTable()
                 .frame(height: voyage ? (showsModelUsageSection ? 128 : odysseyTopCardHeight) : nil)
diff --git a/TokenStepSwift/Sources/TokenStepSwift/Views/PrivacyView.swift b/TokenStepSwift/Sources/TokenStepSwift/Views/PrivacyView.swift
index c6060fc..00b9de7 100644
--- a/TokenStepSwift/Sources/TokenStepSwift/Views/PrivacyView.swift
+++ b/TokenStepSwift/Sources/TokenStepSwift/Views/PrivacyView.swift
@@ -24,6 +24,11 @@ struct PrivacyView: View {
                         .frame(width: 132, height: 104)
                         .padding(14)
                         .opacity(0.48)
+                } else if TokenStepThemeRuntime.isInterstellar {
+                    InterstellarEventHorizonEmblem()
+                        .frame(width: 150, height: 78)
+                        .padding(18)
+                        .opacity(0.44)
                 }
             }
 
@@ -67,7 +72,7 @@ struct PrivacyView: View {
                 }
                 .overlay(
                     RoundedRectangle(cornerRadius: 24, style: .continuous)
-                        .stroke(TokenStepThemeRuntime.isVoyage ? Color.tokenHairlineStrong : Color(red: 0.42, green: 0.36, blue: 0.82).opacity(0.16))
+                        .stroke(TokenStepThemeRuntime.isCinematic ? Color.tokenHairlineStrong : Color(red: 0.42, green: 0.36, blue: 0.82).opacity(0.16))
                 )
             }
 
diff --git a/TokenStepSwift/Sources/TokenStepSwift/Views/ScreenshotCaptureViews.swift b/TokenStepSwift/Sources/TokenStepSwift/Views/ScreenshotCaptureViews.swift
index 36881a2..79914e3 100644
--- a/TokenStepSwift/Sources/TokenStepSwift/Views/ScreenshotCaptureViews.swift
+++ b/TokenStepSwift/Sources/TokenStepSwift/Views/ScreenshotCaptureViews.swift
@@ -16,6 +16,8 @@ struct DashboardScreenshotView: View {
 
             if TokenStepThemeRuntime.isVoyage {
                 VoyageWindowFrame(inset: 8)
+            } else if TokenStepThemeRuntime.isInterstellar {
+                InterstellarWindowFrame(inset: 8)
             }
         }
         .frame(width: 1000)
diff --git a/TokenStepSwift/Sources/TokenStepSwift/Views/Settings/SettingsControls.swift b/TokenStepSwift/Sources/TokenStepSwift/Views/Settings/SettingsControls.swift
index 8be510b..ee0f28a 100644
--- a/TokenStepSwift/Sources/TokenStepSwift/Views/Settings/SettingsControls.swift
+++ b/TokenStepSwift/Sources/TokenStepSwift/Views/Settings/SettingsControls.swift
@@ -35,7 +35,7 @@ enum SettingsBadgeStyle {
     case ok, warn, off, l1, l2, l3
 
     var foreground: Color {
-        if TokenStepThemeRuntime.isVoyage {
+        if TokenStepThemeRuntime.isCinematic {
             switch self {
             case .ok, .l1: return Color.tokenSuccess
             case .warn: return Color.tokenWarning
@@ -54,7 +54,7 @@ enum SettingsBadgeStyle {
     }
 
     var background: Color {
-        if TokenStepThemeRuntime.isVoyage {
+        if TokenStepThemeRuntime.isCinematic {
             switch self {
             case .ok, .l1: return Color.tokenSuccess.opacity(0.12)
             case .warn: return Color.tokenWarning.opacity(0.12)
@@ -73,7 +73,7 @@ enum SettingsBadgeStyle {
     }
 
     var border: Color {
-        if TokenStepThemeRuntime.isVoyage {
+        if TokenStepThemeRuntime.isCinematic {
             switch self {
             case .ok, .l1: return Color.tokenSuccess.opacity(0.30)
             case .warn: return Color.tokenWarning.opacity(0.34)
@@ -163,7 +163,7 @@ struct SettingsSectionCard<Content: View>: View {
     }
 
     private var sectionBackground: Color {
-        if TokenStepThemeRuntime.isVoyage {
+        if TokenStepThemeRuntime.isCinematic {
             return Color.tokenSurface
         }
         switch tint ?? badgeStyle {
@@ -174,7 +174,7 @@ struct SettingsSectionCard<Content: View>: View {
     }
 
     private var sectionBorder: Color {
-        if TokenStepThemeRuntime.isVoyage {
+        if TokenStepThemeRuntime.isCinematic {
             switch tint ?? badgeStyle {
             case .l2: return Color.tokenGreen.opacity(0.30)
             case .l3: return Color.tokenGreenDark.opacity(0.34)
@@ -258,7 +258,7 @@ struct SettingsCard<Content: View>: View {
             ZStack {
                 RoundedRectangle(cornerRadius: 24, style: .continuous)
                     .fill(Color.tokenSurface)
-                if TokenStepThemeRuntime.isVoyage {
+                if TokenStepThemeRuntime.isCinematic {
                     LinearGradient(
                         colors: [Color.tokenGreen.opacity(0.05), Color.clear, Color.tokenGreenDark.opacity(0.025)],
                         startPoint: .topLeading,
@@ -273,6 +273,8 @@ struct SettingsCard<Content: View>: View {
                 RoundedRectangle(cornerRadius: 24, style: .continuous).stroke(Color.tokenHairline)
                 if TokenStepThemeRuntime.isVoyage {
                     VoyageCardOrnament(cornerRadius: 24)
+                } else if TokenStepThemeRuntime.isInterstellar {
+                    InterstellarCardOrnament(cornerRadius: 24)
                 }
             }
         }
@@ -306,7 +308,7 @@ struct ThemeSwatchButton: View {
         Button(action: action) {
             VStack(spacing: 7) {
                 ZStack {
-                    if theme == .voyage {
+                    if theme == .voyage || theme == .eventHorizon {
                         TokenStepMark(size: 38)
                             .shadow(color: theme.palette.accentDark.color.opacity(selected ? 0.24 : 0.12), radius: 8, x: 0, y: 4)
                     } else {
@@ -329,7 +331,7 @@ struct ThemeSwatchButton: View {
                     if selected && theme != .voyage {
                         Image(systemName: "checkmark")
                             .font(.system(size: 13, weight: .heavy))
-                            .foregroundStyle(theme == .voyage ? Color.tokenActionText : Color.white)
+                            .foregroundStyle(theme == .voyage || theme == .eventHorizon ? Color.tokenActionText : Color.white)
                     }
                 }
 
@@ -442,6 +444,8 @@ struct ThemePackOptionButton: View {
                     }
                 }
                 .overlay(RoundedRectangle(cornerRadius: 13, style: .continuous).stroke(odysseyChapter.palette.accent.color.opacity(0.46)))
+        case .interstellar:
+            InterstellarThemePreview()
         }
     }
 }
@@ -608,7 +612,7 @@ struct TokenStepSwitchToggleStyle: ToggleStyle {
                     .fill(
                         configuration.isOn
                             ? Color.tokenToggleTint
-                            : Color.tokenTrack.opacity(TokenStepThemeRuntime.isVoyage ? 0.82 : 0.72)
+                            : Color.tokenTrack.opacity(TokenStepThemeRuntime.isCinematic ? 0.82 : 0.72)
                     )
                 Circle()
                     .fill(configuration.isOn ? Color.tokenInk : Color.tokenInk.opacity(0.62))
diff --git a/TokenStepSwift/Sources/TokenStepSwift/Views/Settings/SettingsGeneralPane.swift b/TokenStepSwift/Sources/TokenStepSwift/Views/Settings/SettingsGeneralPane.swift
index 17ab397..14550e8 100644
--- a/TokenStepSwift/Sources/TokenStepSwift/Views/Settings/SettingsGeneralPane.swift
+++ b/TokenStepSwift/Sources/TokenStepSwift/Views/Settings/SettingsGeneralPane.swift
@@ -66,7 +66,7 @@ struct SettingsGeneralPane: View {
 
             SettingsSectionCard(
                 title: L("主题皮肤包"),
-                subtitle: L("经典配色与奥德赛视觉篇章可随时切换")
+                subtitle: L("经典、奥德赛与引力边界可随时切换")
             ) {
                 VStack(alignment: .leading, spacing: 12) {
                     HStack(spacing: 10) {
@@ -123,6 +123,32 @@ struct SettingsGeneralPane: View {
                             }
                         }
                         .transition(.opacity.combined(with: .move(edge: .top)))
+                    } else if appState.settings.themePack == .interstellar {
+                        HStack(spacing: 14) {
+                            InterstellarEventHorizonEmblem()
+                                .frame(width: 126, height: 58)
+
+                            VStack(alignment: .leading, spacing: 3) {
+                                Text(L("引力边界 · 近距事件视界"))
+                                    .font(.callout.weight(.heavy))
+                                    .foregroundStyle(Color.tokenInk)
+                                Text(L("巨大黑洞、象牙白吸积盘与克制电影色；低亮与减少动态时自动静止。"))
+                                    .font(.caption.weight(.semibold))
+                                    .foregroundStyle(.secondary)
+                                    .fixedSize(horizontal: false, vertical: true)
+                            }
+
+                            Spacer(minLength: 8)
+
+                            Text(L("原创动态主题"))
+                                .font(.caption.weight(.heavy))
+                                .foregroundStyle(Color.tokenGreenDark)
+                                .padding(.horizontal, 9)
+                                .padding(.vertical, 5)
+                                .background(Color.tokenGreen.opacity(0.12), in: Capsule())
+                                .overlay(Capsule().stroke(Color.tokenHairlineStrong))
+                        }
+                        .transition(.opacity.combined(with: .move(edge: .top)))
                     } else {
                         HStack {
                             VStack(alignment: .leading, spacing: 2) {
diff --git a/TokenStepSwift/Sources/TokenStepSwift/Views/SettingsView.swift b/TokenStepSwift/Sources/TokenStepSwift/Views/SettingsView.swift
index c81a716..579615e 100644
--- a/TokenStepSwift/Sources/TokenStepSwift/Views/SettingsView.swift
+++ b/TokenStepSwift/Sources/TokenStepSwift/Views/SettingsView.swift
@@ -62,6 +62,8 @@ struct SettingsView: View {
         .overlay {
             if TokenStepThemeRuntime.isVoyage {
                 VoyageWindowFrame(inset: 8)
+            } else if TokenStepThemeRuntime.isInterstellar {
+                InterstellarWindowFrame(inset: 8)
             }
         }
     }
@@ -140,6 +142,11 @@ struct SettingsView: View {
                     .frame(width: 124, height: 72)
                     .opacity(0.38)
                     .offset(x: -92, y: 3)
+            } else if TokenStepThemeRuntime.isInterstellar {
+                InterstellarEventHorizonEmblem()
+                    .frame(width: 136, height: 58)
+                    .opacity(0.42)
+                    .offset(x: -92, y: 3)
             }
         }
     }
@@ -246,13 +253,13 @@ private struct DashboardSettingsTab: View {
                 .frame(height: 28)
                 .background(
                     selected
-                        ? (TokenStepThemeRuntime.isVoyage ? Color.tokenGreen.opacity(0.16) : Color.tokenSurface)
+                        ? (TokenStepThemeRuntime.isCinematic ? Color.tokenGreen.opacity(0.16) : Color.tokenSurface)
                         : Color.clear,
                     in: RoundedRectangle(cornerRadius: 7, style: .continuous)
                 )
                 .overlay(
                     RoundedRectangle(cornerRadius: 7, style: .continuous)
-                        .stroke(selected && TokenStepThemeRuntime.isVoyage ? Color.tokenHairlineStrong : Color.clear)
+                        .stroke(selected && TokenStepThemeRuntime.isCinematic ? Color.tokenHairlineStrong : Color.clear)
                 )
                 .shadow(color: selected ? Color.tokenShadow : .clear, radius: 3, y: 1)
         }
diff --git a/TokenStepSwift/Sources/TokenStepSwift/Views/Share/ShareDailyCardView.swift b/TokenStepSwift/Sources/TokenStepSwift/Views/Share/ShareDailyCardView.swift
index 6ce30a0..0a6f5e4 100644
--- a/TokenStepSwift/Sources/TokenStepSwift/Views/Share/ShareDailyCardView.swift
+++ b/TokenStepSwift/Sources/TokenStepSwift/Views/Share/ShareDailyCardView.swift
@@ -63,6 +63,8 @@ struct ShareDailyCardView: View {
 
             if TokenStepThemeRuntime.isVoyage {
                 VoyageWindowFrame(inset: 8)
+            } else if TokenStepThemeRuntime.isInterstellar {
+                InterstellarWindowFrame(inset: 8)
             }
         }
         .frame(width: 600, height: 980)
@@ -94,6 +96,11 @@ struct ShareDailyCardView: View {
                         .frame(width: 230, height: 210)
                         .opacity(0.24)
                         .offset(x: 18, y: 12)
+                } else if TokenStepThemeRuntime.isInterstellar {
+                    InterstellarEventHorizonEmblem()
+                        .frame(width: 250, height: 150)
+                        .opacity(0.34)
+                        .offset(x: 18, y: 12)
                 }
 
                 HStack(alignment: .center, spacing: 18) {
@@ -105,6 +112,13 @@ struct ShareDailyCardView: View {
                         Group {
                             if TokenStepThemeRuntime.isVoyage {
                                 VoyageBowProgressView(progress: lap.currentLapProgress, lineWidth: 20, color: lap.color)
+                            } else if TokenStepThemeRuntime.isInterstellar {
+                                ProgressRingView(progress: lap.currentLapProgress, lineWidth: 20, color: lap.color)
+                                    .overlay {
+                                        InterstellarEventHorizonEmblem()
+                                            .padding(42)
+                                            .opacity(0.52)
+                                    }
                             } else {
                                 ProgressRingView(progress: lap.currentLapProgress, lineWidth: 20, color: lap.color)
                             }
@@ -445,7 +459,7 @@ private struct ShareCardSurface<Content: View>: View {
             .background {
                 ZStack {
                     shape.fill(Color.tokenSurface)
-                    if TokenStepThemeRuntime.isVoyage {
+                    if TokenStepThemeRuntime.isCinematic {
                         LinearGradient(
                             colors: [Color.tokenGreen.opacity(0.055), Color.clear, Color.tokenGreenDark.opacity(0.025)],
                             startPoint: .topLeading,
@@ -460,6 +474,8 @@ private struct ShareCardSurface<Content: View>: View {
                     shape.stroke(Color.tokenHairline)
                     if TokenStepThemeRuntime.isVoyage {
                         VoyageCardOrnament(cornerRadius: cornerRadius)
+                    } else if TokenStepThemeRuntime.isInterstellar {
+                        InterstellarCardOrnament(cornerRadius: cornerRadius)
                     }
                 }
             }
diff --git a/TokenStepSwift/Sources/TokenStepSwift/Views/Share/ShareRhythmCardView.swift b/TokenStepSwift/Sources/TokenStepSwift/Views/Share/ShareRhythmCardView.swift
index d329fe9..b763e2b 100644
--- a/TokenStepSwift/Sources/TokenStepSwift/Views/Share/ShareRhythmCardView.swift
+++ b/TokenStepSwift/Sources/TokenStepSwift/Views/Share/ShareRhythmCardView.swift
@@ -18,6 +18,9 @@ struct ShareRhythmCardView: View {
             if TokenStepThemeRuntime.isVoyage {
                 VoyageBackdropAtmosphere(role: .share)
                     .opacity(0.72)
+            } else if TokenStepThemeRuntime.isInterstellar {
+                InterstellarBackdrop(role: .share, isScreenshotRendering: true)
+                    .opacity(0.88)
             }
 
             VStack(spacing: 14) {
@@ -35,6 +38,8 @@ struct ShareRhythmCardView: View {
 
             if TokenStepThemeRuntime.isVoyage {
                 VoyageWindowFrame(inset: 8)
+            } else if TokenStepThemeRuntime.isInterstellar {
+                InterstellarWindowFrame(inset: 8)
             }
         }
         .frame(width: 600, height: 840)
@@ -57,7 +62,7 @@ struct ShareRhythmCardView: View {
                     .foregroundStyle(palette.accent)
                 Text(weekdayText)
                     .font(.callout.weight(.bold))
-                    .foregroundStyle(TokenStepThemeRuntime.isVoyage ? Color.tokenInk.opacity(0.56) : Color.white.opacity(0.56))
+                    .foregroundStyle(TokenStepThemeRuntime.isCinematic ? Color.tokenInk.opacity(0.56) : Color.white.opacity(0.56))
             }
         }
     }
@@ -66,7 +71,7 @@ struct ShareRhythmCardView: View {
         VStack(spacing: 8) {
             Text(L("昨日 AI 节奏"))
                 .font(.system(size: 31, weight: .black, design: .rounded))
-                .foregroundStyle(TokenStepThemeRuntime.isVoyage ? Color.tokenInk : Color.white)
+                .foregroundStyle(TokenStepThemeRuntime.isCinematic ? Color.tokenInk : Color.white)
                 .lineLimit(1)
 
             HStack(alignment: .center, spacing: 12) {
@@ -92,7 +97,7 @@ struct ShareRhythmCardView: View {
 
             Text(rhythm.primaryTag.shareLine)
                 .font(.callout.weight(.bold))
-                .foregroundStyle(TokenStepThemeRuntime.isVoyage ? Color.tokenInk.opacity(0.66) : Color.white.opacity(0.66))
+                .foregroundStyle(TokenStepThemeRuntime.isCinematic ? Color.tokenInk.opacity(0.66) : Color.white.opacity(0.66))
                 .lineLimit(1)
                 .minimumScaleFactor(0.76)
         }
@@ -108,12 +113,12 @@ struct ShareRhythmCardView: View {
                 .background(palette.accent.opacity(0.12), in: Circle())
             Text(LFormat("峰值 %@", peakWindowText))
                 .font(.headline.weight(.black))
-                .foregroundStyle(TokenStepThemeRuntime.isVoyage ? Color.tokenInk : Color.white)
+                .foregroundStyle(TokenStepThemeRuntime.isCinematic ? Color.tokenInk : Color.white)
                 .lineLimit(1)
             Spacer()
             Text(LFormat("峰值 %@", TokenStepFormat.tokens(rhythm.peakTokens, compact: true)))
                 .font(.callout.weight(.heavy))
-                .foregroundStyle(TokenStepThemeRuntime.isVoyage ? Color.tokenInk.opacity(0.72) : Color.white.opacity(0.72))
+                .foregroundStyle(TokenStepThemeRuntime.isCinematic ? Color.tokenInk.opacity(0.72) : Color.white.opacity(0.72))
                 .lineLimit(1)
         }
         .padding(.horizontal, 18)
@@ -137,12 +142,12 @@ struct ShareRhythmCardView: View {
             VStack(spacing: 3) {
                 Text(L("昨日 Token"))
                     .font(.headline.weight(.black))
-                    .foregroundStyle(TokenStepThemeRuntime.isVoyage ? Color.tokenInk.opacity(0.70) : Color.white.opacity(0.70))
+                    .foregroundStyle(TokenStepThemeRuntime.isCinematic ? Color.tokenInk.opacity(0.70) : Color.white.opacity(0.70))
                 Text(TokenStepFormat.tokens(day.totalTokens, compact: true))
                     .font(.system(size: 49, weight: .black, design: .rounded))
                     .foregroundStyle(
                         LinearGradient(
-                            colors: [palette.accent, TokenStepThemeRuntime.isVoyage ? Color.tokenInk : Color.white],
+                            colors: [palette.accent, TokenStepThemeRuntime.isCinematic ? Color.tokenInk : Color.white],
                             startPoint: .top,
                             endPoint: .bottom
                         )
@@ -185,7 +190,7 @@ struct ShareRhythmCardView: View {
             Text(L("不上传对话"))
         }
         .font(.caption.weight(.heavy))
-        .foregroundStyle(TokenStepThemeRuntime.isVoyage ? Color.tokenInk.opacity(0.54) : Color.white.opacity(0.54))
+        .foregroundStyle(TokenStepThemeRuntime.isCinematic ? Color.tokenInk.opacity(0.54) : Color.white.opacity(0.54))
         .frame(maxWidth: .infinity)
         .frame(height: 38)
         .background(Color.black.opacity(0.20), in: Capsule())
@@ -314,7 +319,7 @@ private struct RhythmAxisLabel: View {
         VStack(spacing: 4) {
             Text(AgentWorkCopy.hourLabel(hour))
                 .font(.caption.weight(.heavy))
-                .foregroundStyle(TokenStepThemeRuntime.isVoyage ? Color.tokenInk.opacity(0.48) : Color.white.opacity(0.48))
+                .foregroundStyle(TokenStepThemeRuntime.isCinematic ? Color.tokenInk.opacity(0.48) : Color.white.opacity(0.48))
             if let symbol {
                 Image(systemName: symbol)
                     .font(.system(size: 16, weight: .bold))
@@ -344,7 +349,7 @@ private struct RhythmBottomMetric: View {
 
             Text(value)
                 .font(.system(size: 24, weight: .black, design: .rounded))
-                .foregroundStyle(TokenStepThemeRuntime.isVoyage ? Color.tokenInk : Color.white)
+                .foregroundStyle(TokenStepThemeRuntime.isCinematic ? Color.tokenInk : Color.white)
                 .minimumScaleFactor(0.68)
                 .lineLimit(1)
         }
@@ -392,7 +397,7 @@ private struct RhythmPeakMarker: View {
                 .stroke(color.opacity(0.36), style: StrokeStyle(lineWidth: 1.5, dash: [5, 7]))
 
                 Circle()
-                    .fill(TokenStepThemeRuntime.isVoyage ? Color.tokenInk : Color.white)
+                    .fill(TokenStepThemeRuntime.isCinematic ? Color.tokenInk : Color.white)
                     .frame(width: 11, height: 11)
                     .overlay(Circle().stroke(color, lineWidth: 3))
                     .shadow(color: color.opacity(0.8), radius: 14, x: 0, y: 0)
@@ -564,7 +569,7 @@ private struct RhythmCardBackdrop: View {
                 .rotationEffect(.degrees(-23))
                 .offset(x: 250, y: -48)
             RhythmGridShape(columns: 11, rows: 14)
-                .stroke(TokenStepThemeRuntime.isVoyage ? Color.tokenInk.opacity(0.026) : Color.white.opacity(0.026), lineWidth: 1)
+                .stroke(TokenStepThemeRuntime.isCinematic ? Color.tokenInk.opacity(0.026) : Color.white.opacity(0.026), lineWidth: 1)
         }
     }
 }
@@ -577,7 +582,7 @@ private struct RhythmCardPalette {
     var panel: Color
 
     static func palette(for rhythm: DailyRhythm) -> RhythmCardPalette {
-        if TokenStepThemeRuntime.isVoyage {
+        if TokenStepThemeRuntime.isCinematic {
             return RhythmCardPalette(
                 background: [
                     Color(red: 9 / 255, green: 10 / 255, blue: 9 / 255),
diff --git a/TokenStepSwift/Sources/TokenStepSwift/Views/TodayDashboardCards.swift b/TokenStepSwift/Sources/TokenStepSwift/Views/TodayDashboardCards.swift
index f5bb8cf..4fb0087 100644
--- a/TokenStepSwift/Sources/TokenStepSwift/Views/TodayDashboardCards.swift
+++ b/TokenStepSwift/Sources/TokenStepSwift/Views/TodayDashboardCards.swift
@@ -10,6 +10,13 @@ struct TodayHeroCard: View {
                 ZStack {
                     if TokenStepThemeRuntime.isVoyage {
                         VoyageBowProgressView(progress: lap.currentLapProgress, lineWidth: 16, color: lap.ringColor)
+                    } else if TokenStepThemeRuntime.isInterstellar {
+                        ProgressRingView(progress: lap.currentLapProgress, lineWidth: 16, color: lap.ringColor)
+                            .overlay {
+                                InterstellarEventHorizonEmblem()
+                                    .padding(34)
+                                    .opacity(0.50)
+                            }
                     } else {
                         ProgressRingView(progress: lap.currentLapProgress, lineWidth: 16, color: lap.ringColor)
                     }
@@ -93,6 +100,11 @@ struct TodayAgentIntensityCard: View {
                     .frame(width: 94, height: 76)
                     .padding(14)
                     .opacity(0.54)
+            } else if TokenStepThemeRuntime.isInterstellar {
+                InterstellarEventHorizonEmblem()
+                    .frame(width: 116, height: 58)
+                    .padding(14)
+                    .opacity(0.44)
             }
         }
     }
@@ -172,6 +184,11 @@ struct TodayHourlyCard: View {
                     .frame(width: 180, height: 86)
                     .padding(12)
                     .opacity(0.46)
+            } else if TokenStepThemeRuntime.isInterstellar {
+                InterstellarEventHorizonEmblem()
+                    .frame(width: 180, height: 70)
+                    .padding(12)
+                    .opacity(0.34)
             }
         }
     }
diff --git a/TokenStepSwift/Sources/TokenStepSwift/Views/TokenIslandView.swift b/TokenStepSwift/Sources/TokenStepSwift/Views/TokenIslandView.swift
index 057fa7f..9249cd8 100644
--- a/TokenStepSwift/Sources/TokenStepSwift/Views/TokenIslandView.swift
+++ b/TokenStepSwift/Sources/TokenStepSwift/Views/TokenIslandView.swift
@@ -90,7 +90,7 @@ struct TokenIslandRingView: View {
 
             Text(TokenStepFormat.tokens(tokens, compact: true, language: language))
                 .font(.system(size: 13, weight: .heavy, design: .rounded))
-                .foregroundStyle(TokenStepThemeRuntime.isVoyage ? Color.tokenInk : Color.white)
+                .foregroundStyle(TokenStepThemeRuntime.isCinematic ? Color.tokenInk : Color.white)
                 .monospacedDigit()
                 .lineLimit(1)
                 .minimumScaleFactor(0.74)
@@ -101,18 +101,23 @@ struct TokenIslandRingView: View {
         .background {
             ZStack {
                 Color.black
-                if TokenStepThemeRuntime.isVoyage {
+                if TokenStepThemeRuntime.isCinematic {
                     LinearGradient(
                         colors: [Color.tokenCanvas, Color.tokenGreen.opacity(0.16), Color.tokenCanvas],
                         startPoint: .leading,
                         endPoint: .trailing
                     )
                 }
+                if TokenStepThemeRuntime.isInterstellar {
+                    InterstellarEventHorizonEmblem()
+                        .padding(.horizontal, 5)
+                        .opacity(0.42)
+                }
             }
         }
         .clipShape(Capsule())
-        .overlay(Capsule().stroke(TokenStepThemeRuntime.isVoyage ? Color.tokenHairlineStrong : Color.clear))
-        .shadow(color: TokenStepThemeRuntime.isVoyage ? Color.tokenGreen.opacity(0.16) : .clear, radius: 8)
+        .overlay(Capsule().stroke(TokenStepThemeRuntime.isCinematic ? Color.tokenHairlineStrong : Color.clear))
+        .shadow(color: TokenStepThemeRuntime.isCinematic ? Color.tokenGreen.opacity(0.16) : .clear, radius: 8)
         .id("\(theme.id)-\(language.resolved.id)")
     }
 }
@@ -191,8 +196,15 @@ private struct TokenIslandExpandedView: View {
 
     private var ring: some View {
         ZStack {
-            if TokenStepThemeRuntime.theme == .voyage {
+            if TokenStepThemeRuntime.isVoyage {
                 VoyageBowProgressView(progress: lap.currentLapProgress, lineWidth: 9, color: lap.ringColor)
+            } else if TokenStepThemeRuntime.isInterstellar {
+                ProgressRingView(progress: lap.currentLapProgress, lineWidth: 9, color: lap.ringColor)
+                    .overlay {
+                        InterstellarEventHorizonEmblem()
+                            .padding(18)
+                            .opacity(0.48)
+                    }
             } else {
                 ProgressRingView(progress: lap.currentLapProgress, lineWidth: 9, color: lap.ringColor)
             }
@@ -236,6 +248,8 @@ private struct TokenIslandExpandedSurface<Content: View>: View {
                     shape.stroke(Color.tokenHairlineStrong)
                     if TokenStepThemeRuntime.isVoyage {
                         VoyageCardOrnament(cornerRadius: TokenIslandMetrics.expandedCornerRadius)
+                    } else if TokenStepThemeRuntime.isInterstellar {
+                        InterstellarCardOrnament(cornerRadius: TokenIslandMetrics.expandedCornerRadius)
                     }
                 }
             }
@@ -259,6 +273,8 @@ private struct TokenIslandExpandedBackground: View {
             )
             if TokenStepThemeRuntime.isVoyage {
                 VoyageBackdropAtmosphere(role: .island)
+            } else if TokenStepThemeRuntime.isInterstellar {
+                InterstellarBackdrop(role: .island)
             }
         }
     }
diff --git a/TokenStepSwift/Sources/TokenStepSwift/Views/UpdateWindowView.swift b/TokenStepSwift/Sources/TokenStepSwift/Views/UpdateWindowView.swift
index a73233a..c08d8c1 100644
--- a/TokenStepSwift/Sources/TokenStepSwift/Views/UpdateWindowView.swift
+++ b/TokenStepSwift/Sources/TokenStepSwift/Views/UpdateWindowView.swift
@@ -21,6 +21,8 @@ struct UpdateWindowView: View {
         .overlay {
             if TokenStepThemeRuntime.isVoyage {
                 VoyageWindowFrame(inset: 8)
+            } else if TokenStepThemeRuntime.isInterstellar {
+                InterstellarWindowFrame(inset: 8)
             }
         }
         .environment(\.colorScheme, appState.settings.theme.colorScheme)
@@ -122,6 +124,14 @@ struct UpdateWindowView: View {
                 }
                 .frame(height: 8)
             }
+            .overlay(alignment: .trailing) {
+                if TokenStepThemeRuntime.isInterstellar {
+                    InterstellarEventHorizonEmblem()
+                        .frame(width: 72, height: 24)
+                        .offset(y: 12)
+                        .opacity(0.55)
+                }
+            }
         }
     }
 
diff --git a/TokenStepSwift/Sources/TokenStepSwift/Views/VoyageSkin.swift b/TokenStepSwift/Sources/TokenStepSwift/Views/VoyageSkin.swift
index 5ce6d6a..00902da 100644
--- a/TokenStepSwift/Sources/TokenStepSwift/Views/VoyageSkin.swift
+++ b/TokenStepSwift/Sources/TokenStepSwift/Views/VoyageSkin.swift
@@ -259,18 +259,22 @@ struct TokenStepBrandLockup: View {
         HStack(spacing: max(8, markSize * 0.30)) {
             TokenStepMark(size: markSize)
 
-            VStack(alignment: .leading, spacing: TokenStepThemeRuntime.isVoyage && showsEdition ? 1 : 0) {
+            VStack(alignment: .leading, spacing: TokenStepThemeRuntime.isCinematic && showsEdition ? 1 : 0) {
                 Text("TokenStep")
                     .font(.system(size: titleSize, weight: .heavy, design: .rounded))
                     .foregroundStyle(Color.tokenInk)
-                    .tracking(TokenStepThemeRuntime.isVoyage ? 0.2 : 0)
+                    .tracking(TokenStepThemeRuntime.isCinematic ? 0.2 : 0)
 
-                if TokenStepThemeRuntime.isVoyage && showsEdition {
+                if TokenStepThemeRuntime.isCinematic && showsEdition {
                     HStack(spacing: 5) {
                         Rectangle()
                             .fill(Color.tokenGreen)
                             .frame(width: 12, height: 1)
-                        Text(TokenStepThemeRuntime.odysseyChapter.editionLabel)
+                        Text(
+                            TokenStepThemeRuntime.isInterstellar
+                                ? "GRAVITY · EVENT HORIZON"
+                                : TokenStepThemeRuntime.odysseyChapter.editionLabel
+                        )
                             .font(.system(size: max(7, titleSize * 0.47), weight: .bold, design: .serif))
                             .tracking(1.35)
                             .foregroundStyle(Color.tokenGreenDark.opacity(0.84))
diff --git a/TokenStepSwift/Tests/Fixtures/PopoverPanelRender.swift b/TokenStepSwift/Tests/Fixtures/PopoverPanelRender.swift
index 795a401..24ed94b 100644
--- a/TokenStepSwift/Tests/Fixtures/PopoverPanelRender.swift
+++ b/TokenStepSwift/Tests/Fixtures/PopoverPanelRender.swift
@@ -13,9 +13,12 @@ struct PopoverPanelRender {
             NSApp.applicationIconImage = icon
         }
 
-        let theme = ProcessInfo.processInfo.environment["TOKENSTEP_POPOVER_THEME"] == "voyage"
-            ? TokenStepTheme.voyage
-            : TokenStepTheme.green
+        let theme: TokenStepTheme
+        switch ProcessInfo.processInfo.environment["TOKENSTEP_POPOVER_THEME"] {
+        case "voyage": theme = .voyage
+        case "event_horizon": theme = .eventHorizon
+        default: theme = .green
+        }
         let chapter = ProcessInfo.processInfo.environment["TOKENSTEP_ODYSSEY_CHAPTER"]
             .flatMap(TokenStepOdysseyChapter.init(rawValue:))
             ?? .aegeanMist
@@ -47,7 +50,7 @@ struct PopoverPanelRender {
 
         let output = URL(
             fileURLWithPath: ProcessInfo.processInfo.environment["TOKENSTEP_POPOVER_RENDER_PATH"]
-                ?? "/tmp/tokenstep-popover-v0.2.4.png"
+                ?? "/tmp/tokenstep-popover-v0.2.7.png"
         )
         try FileManager.default.createDirectory(
             at: output.deletingLastPathComponent(),
@@ -75,7 +78,7 @@ struct PopoverPanelRender {
                 NSLocalizedDescriptionKey: "Unexpected render size: \(bitmap.pixelsWide)x\(bitmap.pixelsHigh)"
             ])
         }
-        print("v0.2.5-a2: \(bitmap.pixelsWide)x\(bitmap.pixelsHigh) -> \(output.path)")
+        print("v0.2.7: \(bitmap.pixelsWide)x\(bitmap.pixelsHigh) -> \(output.path)")
     }
 
     private static func validateIsolatedAppSupport() throws {
diff --git a/TokenStepSwift/Tests/Fixtures/VoyageInterfaceRender.swift b/TokenStepSwift/Tests/Fixtures/VoyageInterfaceRender.swift
index cefd423..62ce4bd 100644
--- a/TokenStepSwift/Tests/Fixtures/VoyageInterfaceRender.swift
+++ b/TokenStepSwift/Tests/Fixtures/VoyageInterfaceRender.swift
@@ -14,9 +14,12 @@ struct VoyageInterfaceRender {
         let chapter = ProcessInfo.processInfo.environment["TOKENSTEP_ODYSSEY_CHAPTER"]
             .flatMap(TokenStepOdysseyChapter.init(rawValue:))
             ?? .directorsCut
-        let theme: TokenStepTheme = ProcessInfo.processInfo.environment["TOKENSTEP_THEME_PACK"] == "classic"
-            ? .green
-            : .voyage
+        let theme: TokenStepTheme
+        switch ProcessInfo.processInfo.environment["TOKENSTEP_THEME_PACK"] {
+        case "classic": theme = .green
+        case "interstellar": theme = .eventHorizon
+        default: theme = .voyage
+        }
         let settings = fixtureSettings(theme: theme, chapter: chapter)
         renderColorScheme = settings.theme.colorScheme
         try writeJSON(snapshot, to: AppPaths.usageJSON)
diff --git a/TokenStepSwift/Tests/TokenStepSwiftTests/InterstellarMotionTests.swift b/TokenStepSwift/Tests/TokenStepSwiftTests/InterstellarMotionTests.swift
new file mode 100644
index 0000000..cea12ba
--- /dev/null
+++ b/TokenStepSwift/Tests/TokenStepSwiftTests/InterstellarMotionTests.swift
@@ -0,0 +1,36 @@
+import XCTest
+@testable import TokenStepSwift
+
+final class InterstellarMotionTests: XCTestCase {
+    func testMotionRunsAtLowCostOnlyOnVisibleInteractiveSurfaces() {
+        XCTAssertEqual(InterstellarMotionPolicy.preferredFramesPerSecond, 24)
+        XCTAssertTrue(
+            InterstellarMotionPolicy.shouldAnimate(
+                reduceMotion: false,
+                isScreenshotRendering: false,
+                isControlActive: true
+            )
+        )
+        XCTAssertFalse(
+            InterstellarMotionPolicy.shouldAnimate(
+                reduceMotion: true,
+                isScreenshotRendering: false,
+                isControlActive: true
+            )
+        )
+        XCTAssertFalse(
+            InterstellarMotionPolicy.shouldAnimate(
+                reduceMotion: false,
+                isScreenshotRendering: true,
+                isControlActive: true
+            )
+        )
+        XCTAssertFalse(
+            InterstellarMotionPolicy.shouldAnimate(
+                reduceMotion: false,
+                isScreenshotRendering: false,
+                isControlActive: false
+            )
+        )
+    }
+}
diff --git a/TokenStepSwift/Tests/TokenStepSwiftTests/SettingsMigrationTests.swift b/TokenStepSwift/Tests/TokenStepSwiftTests/SettingsMigrationTests.swift
index 6d0aca6..0becf1f 100644
--- a/TokenStepSwift/Tests/TokenStepSwiftTests/SettingsMigrationTests.swift
+++ b/TokenStepSwift/Tests/TokenStepSwiftTests/SettingsMigrationTests.swift
@@ -104,6 +104,22 @@ final class SettingsMigrationTests: XCTestCase {
         XCTAssertEqual(decoded.odysseyChapter, .ashMarble)
     }
 
+    func testInterstellarThemeRoundTripsAsDedicatedThemePack() throws {
+        var settings = TokenStepSettings.defaults
+        settings.theme = .eventHorizon
+        settings.classicTheme = .ocean
+
+        let decoded = try JSONDecoder().decode(
+            TokenStepSettings.self,
+            from: JSONEncoder().encode(settings)
+        )
+
+        XCTAssertEqual(decoded.theme, .eventHorizon)
+        XCTAssertEqual(decoded.themePack, .interstellar)
+        XCTAssertEqual(decoded.classicTheme, .ocean)
+        XCTAssertEqual(decoded.activeThemeTitle, L("引力边界"))
+    }
+
     func testCursorFlagStaysInSyncWithProviderSet() {
         var settings = TokenStepSettings.defaults
         settings.setQuotaProvider(.cursor, enabled: true)
diff --git a/TokenStepSwift/Tests/TokenStepSwiftTests/UpdateServiceTests.swift b/TokenStepSwift/Tests/TokenStepSwiftTests/UpdateServiceTests.swift
index 903385c..c209b23 100644
--- a/TokenStepSwift/Tests/TokenStepSwiftTests/UpdateServiceTests.swift
+++ b/TokenStepSwift/Tests/TokenStepSwiftTests/UpdateServiceTests.swift
@@ -103,13 +103,21 @@ final class UpdateServiceTests: XCTestCase {
         }
     }
 
-    func testManualCheckBypassesToggleThrottleAndSkippedVersion() {
+    func testManualPolicyBypassesToggleAndAutomaticThrottleAndSkippedVersion() {
         let now = Date(timeIntervalSince1970: 100_000)
         XCTAssertTrue(
             UpdateCheckPolicy.shouldStart(
                 trigger: .manual,
                 autoUpdateEnabled: false,
-                lastAttemptAt: now,
+                lastAttemptAt: now.addingTimeInterval(-10),
+                now: now
+            )
+        )
+        XCTAssertTrue(
+            UpdateCheckPolicy.shouldStart(
+                trigger: .manual,
+                autoUpdateEnabled: false,
+                lastAttemptAt: now.addingTimeInterval(-9),
                 now: now
             )
         )
@@ -234,13 +242,120 @@ final class UpdateServiceTests: XCTestCase {
             )
         )
         gate.finish()
-        XCTAssertTrue(
+        XCTAssertFalse(
             gate.begin(
                 trigger: .manual,
                 autoUpdateEnabled: false,
                 now: now.addingTimeInterval(2)
             )
         )
+        XCTAssertTrue(
+            gate.begin(
+                trigger: .manual,
+                autoUpdateEnabled: false,
+                now: now.addingTimeInterval(10)
+            )
+        )
+    }
+
+    func testRecentAutomaticCheckDoesNotBlockManualCheck() {
+        let now = Date(timeIntervalSince1970: 100_000)
+        var gate = UpdateCheckGate()
+        XCTAssertTrue(
+            gate.begin(
+                trigger: .startup,
+                autoUpdateEnabled: true,
+                now: now
+            )
+        )
+        gate.finish()
+        XCTAssertTrue(
+            gate.begin(
+                trigger: .manual,
+                autoUpdateEnabled: true,
+                now: now.addingTimeInterval(1)
+            )
+        )
+    }
+
+    func testFallbackLatestRedirectBuildsVersionedDMGWithoutGitHubAPI() throws {
+        let result = try UpdateService.evaluateFallbackReleaseResponse(
+            responseURL: URL(string: "https://github.com/Backtthefuture/TokenStep/releases/tag/v0.2.7"),
+            statusCode: 200,
+            currentVersion: "0.2.6"
+        )
+
+        guard case let .available(update) = result else {
+            return XCTFail("Expected fallback release to be available")
+        }
+        XCTAssertEqual(update.version, "0.2.7")
+        XCTAssertEqual(update.assetName, "TokenStep-0.2.7.dmg")
+        XCTAssertEqual(
+            update.assetURL.absoluteString,
+            "https://github.com/Backtthefuture/TokenStep/releases/download/v0.2.7/TokenStep-0.2.7.dmg"
+        )
+        XCTAssertEqual(update.formattedSize, L("发布包"))
+    }
+
+    func testFallbackLatestRedirectRejectsUnresolvedLatestPage() {
+        XCTAssertThrowsError(
+            try UpdateService.evaluateFallbackReleaseResponse(
+                responseURL: URL(string: "https://github.com/Backtthefuture/TokenStep/releases/latest"),
+                statusCode: 200,
+                currentVersion: "0.2.6"
+            )
+        ) { error in
+            XCTAssertEqual(error as? UpdateError, .checkFailed)
+        }
+    }
+
+    func testRateLimitedAPIUsesNonAPIFallback() async throws {
+        let configuration = URLSessionConfiguration.ephemeral
+        configuration.protocolClasses = [UpdateMockURLProtocol.self]
+        let session = URLSession(configuration: configuration)
+        UpdateMockURLProtocol.handler = { request in
+            if request.url?.host == "api.example.com" {
+                let response = HTTPURLResponse(
+                    url: request.url!,
+                    statusCode: 403,
+                    httpVersion: nil,
+                    headerFields: [
+                        "X-RateLimit-Remaining": "0",
+                        "X-RateLimit-Reset": "100000"
+                    ]
+                )!
+                return (response, Data())
+            }
+
+            let resolvedURL = URL(string: "https://github.com/Backtthefuture/TokenStep/releases/tag/v0.2.7")!
+            let response = HTTPURLResponse(
+                url: resolvedURL,
+                statusCode: 200,
+                httpVersion: nil,
+                headerFields: ["Content-Type": "text/html"]
+            )!
+            return (response, Data())
+        }
+        defer { UpdateMockURLProtocol.handler = nil }
+
+        let result = try await UpdateService.checkForUpdates(
+            currentVersion: "0.2.6",
+            session: session,
+            releaseURL: URL(string: "https://api.example.com/releases/latest")!,
+            fallbackURL: URL(string: "https://www.example.com/releases/latest")!
+        )
+
+        guard case let .available(update) = result else {
+            return XCTFail("Expected fallback update")
+        }
+        XCTAssertEqual(update.version, "0.2.7")
+    }
+
+    func testRateLimitErrorExplainsRecoveryTime() {
+        let reset = Date(timeIntervalSince1970: 100_000)
+        let message = UpdateError.rateLimited(resetAt: reset).localizedDescription
+        XCTAssertTrue(message.contains("GitHub"))
+        XCTAssertTrue(message.contains(":"))
     }
 
     private func releaseData(
@@ -287,3 +402,27 @@ private extension String {
         hasPrefix("v") ? String(dropFirst()) : self
     }
 }
+
+private final class UpdateMockURLProtocol: URLProtocol {
+    static var handler: ((URLRequest) throws -> (HTTPURLResponse, Data))?
+
+    override class func canInit(with request: URLRequest) -> Bool { true }
+    override class func canonicalRequest(for request: URLRequest) -> URLRequest { request }
+
+    override func startLoading() {
+        guard let handler = Self.handler else {
+            client?.urlProtocol(self, didFailWithError: UpdateError.checkFailed)
+            return
+        }
+        do {
+            let (response, data) = try handler(request)
+            client?.urlProtocol(self, didReceive: response, cacheStoragePolicy: .notAllowed)
+            client?.urlProtocol(self, didLoad: data)
+            client?.urlProtocolDidFinishLoading(self)
+        } catch {
+            client?.urlProtocol(self, didFailWithError: error)
+        }
+    }
+
+    override func stopLoading() {}
+}
diff --git a/TokenUsageMenuApp/assets/interstellar/InterstellarEventHorizonHero.png b/TokenUsageMenuApp/assets/interstellar/InterstellarEventHorizonHero.png
new file mode 100644
index 0000000..ec44e8c
Binary files /dev/null and b/TokenUsageMenuApp/assets/interstellar/InterstellarEventHorizonHero.png differ
diff --git a/TokenUsageMenuApp/assets/interstellar/InterstellarEventHorizonQuiet.png b/TokenUsageMenuApp/assets/interstellar/InterstellarEventHorizonQuiet.png
new file mode 100644
index 0000000..3361aa1
Binary files /dev/null and b/TokenUsageMenuApp/assets/interstellar/InterstellarEventHorizonQuiet.png differ
diff --git a/TokenUsageMenuApp/assets/interstellar/README.md b/TokenUsageMenuApp/assets/interstellar/README.md
new file mode 100644
index 0000000..4800794
--- /dev/null
+++ b/TokenUsageMenuApp/assets/interstellar/README.md
@@ -0,0 +1,8 @@
+# Interstellar / Event Horizon artwork
+
+These two original background plates were generated for TokenStep 0.2.7 from the user-approved “Natural Horizon Close-up” design direction.
+
+- `InterstellarEventHorizonHero.png`: normal cinematic exposure for the popover, Today dashboard, Token Island, and share cards.
+- `InterstellarEventHorizonQuiet.png`: lower-luminance plate for settings, history, privacy, the update window, and Reduce Motion states.
+
+The production UI adds its own translucent panels, progress rings, accessibility veil, and lightweight accretion-flow animation. No movie artwork, logos, characters, spacecraft, or third-party watermark is bundled.
diff --git a/docs/INTERSTELLAR_THEME_PACK_0.2.7.md b/docs/INTERSTELLAR_THEME_PACK_0.2.7.md
new file mode 100644
index 0000000..4ef42b7
--- /dev/null
+++ b/docs/INTERSTELLAR_THEME_PACK_0.2.7.md
@@ -0,0 +1,56 @@
+# TokenStep 0.2.7 “Event Horizon” theme implementation
+
+## Product identity
+
+Public theme name: **引力边界 / Event Horizon**.
+
+“Gargantua” and *Interstellar* were used only as research and design references. The shipping theme uses an original name, original generated artwork, TokenStep typography, and a custom event-horizon mark.
+
+## Visual system
+
+- Near-field black-hole shadow extends beyond the upper-left canvas.
+- The horizontal accretion disk is wider than 2.4 times the visible shadow diameter.
+- A bright ivory gravitational cusp rises near the center.
+- The upper lensed arc and thinner inverted lower arc remain visible.
+- UI surfaces use graphite glass with stable contrast independent of the image.
+- Theme accents are pearl ivory, cream, and restrained champagne; synchronization success is the only persistent green status signal.
+
+## Production assets
+
+- `TokenUsageMenuApp/assets/interstellar/InterstellarEventHorizonHero.png`
+- `TokenUsageMenuApp/assets/interstellar/InterstellarEventHorizonQuiet.png`
+
+The hero plate is used for the popover, Today, Token Island, and share surfaces. The quiet plate is used for denser settings, history, privacy, update, and reduced-motion contexts.
+
+## Motion
+
+The image remains the semantic baseline; all data and progress are understandable with motion disabled. A lightweight SwiftUI overlay adds:
+
+- a 36-second accretion-flow phase drift;
+- low-amplitude cusp breathing;
+- a secondary thin-band drift;
+- a 24 fps ceiling.
+
+Motion is disabled for deterministic screenshots, macOS Reduce Motion, and inactive window surfaces.
+
+## Interface coverage
+
+- Horizontal menu-bar popover and compact/expanded data states
+- Today dashboard
+- History
+- Privacy
+- Settings, including the three-pack selector
+- Update window and download progress
+- Token Island collapsed and expanded states
+- Daily and rhythm share cards
+
+## Theme storage and migration
+
+- New stored theme value: `event_horizon`
+- Theme pack: `interstellar` internally, shown as “引力边界” in the product
+- Classic palette and Odyssey chapter remain independently remembered
+- Older settings without the new value decode unchanged
+
+## Copyright boundary
+
+The release bundles no official poster, film frame, logo, actor likeness, spacecraft, robot, quote, or movie typeface. The black-hole structure follows general scientific visualization features; the final plates are original generated assets.
diff --git a/docs/RELEASE_NOTES_0.2.7.md b/docs/RELEASE_NOTES_0.2.7.md
new file mode 100644
index 0000000..b9bbbdd
--- /dev/null
+++ b/docs/RELEASE_NOTES_0.2.7.md
@@ -0,0 +1,35 @@
+# TokenStep 0.2.7
+
+TokenStep 0.2.7 adds the complete “Event Horizon” black-hole skin pack and makes update checks resilient to GitHub API rate limits.
+
+## New: Event Horizon skin pack
+
+- Adds a third theme pack beside Classic and Odyssey.
+- Uses an original close-up event-horizon composition with a monumental black-hole shadow, ivory accretion disk, upper gravitational lensing arc, and dimmer inverted lower arc.
+- Applies the skin to the popover, Today, History, Privacy, Settings, update window, Token Island, and daily/rhythm share cards.
+- Switches the in-app TokenStep mark to an event-horizon/accretion-disk mark while the theme is active.
+- Uses restrained graphite, midnight blue, pearl ivory, cream, and muted champagne; green remains reserved for synchronization success.
+- Adds a 24 fps maximum ambient layer with slow phase drift and cusp breathing.
+- Pauses motion while rendering screenshots, when the window is inactive, and when macOS Reduce Motion is enabled.
+
+## Update reliability
+
+- Falls back from the GitHub Releases API to GitHub’s public latest-release redirect when the API is rate-limited or temporarily unavailable.
+- Constructs the official versioned DMG URL from the resolved stable release tag.
+- Adds a 10-second cooldown to repeated manual checks so rapid clicks cannot consume the anonymous API quota or leave a spinner appearing stuck.
+- Shows a specific rate-limit recovery message if both channels fail.
+- Keeps the existing signed/notarized DMG verification, replacement, and automatic relaunch flow.
+
+## Compatibility and privacy
+
+- Existing Classic and Odyssey choices continue to decode unchanged.
+- The Event Horizon choice is stored as a dedicated theme value and survives settings round-trips.
+- Token, cost, quota, leaderboard, and local collection semantics are unchanged.
+- The bundled artwork is original and contains no movie logo, actor, still, spacecraft, or third-party watermark.
+
+## Validation
+
+- Swift unit suite, including theme migration, motion policy, update fallback, cooldown, and update presentation tests.
+- Deterministic renders for all major Event Horizon interfaces.
+- App bundle resource check for both hero and quiet artwork.
+- Signed DMG, Developer ID verification, Apple notarization, and installer verification are release gates.
diff --git a/docs/images/tokenstep-0.2.7-event-horizon-popover.jpg b/docs/images/tokenstep-0.2.7-event-horizon-popover.jpg
new file mode 100644
index 0000000..f9550fb
Binary files /dev/null and b/docs/images/tokenstep-0.2.7-event-horizon-popover.jpg differ
diff --git a/script/build_swiftui_and_run.sh b/script/build_swiftui_and_run.sh
index 0053e14..8f3143a 100755
--- a/script/build_swiftui_and_run.sh
+++ b/script/build_swiftui_and_run.sh
@@ -22,7 +22,8 @@ EXECUTABLE="$BUILD_DIR/$PRODUCT_NAME"
 HELPER_EXECUTABLE="$BUILD_DIR/$HELPER_NAME"
 ICON_FILE="$ROOT_DIR/TokenUsageMenuApp/assets/TokenStepIcon.icns"
 ODYSSEY_ASSET_DIR="$ROOT_DIR/TokenUsageMenuApp/assets/odyssey"
-VERSION="${TOKENSTEP_VERSION:-0.2.6}"
+INTERSTELLAR_ASSET_DIR="$ROOT_DIR/TokenUsageMenuApp/assets/interstellar"
+VERSION="${TOKENSTEP_VERSION:-0.2.7}"
 LAUNCH=true
 VERIFY=false
 
@@ -128,6 +129,9 @@ fi
 if [ -d "$ODYSSEY_ASSET_DIR" ]; then
   cp "$ODYSSEY_ASSET_DIR"/*.png "$RESOURCES/"
 fi
+if [ -d "$INTERSTELLAR_ASSET_DIR" ]; then
+  cp "$INTERSTELLAR_ASSET_DIR"/*.png "$RESOURCES/"
+fi
 
 cat > "$CONTENTS/Info.plist" <<PLIST
 <?xml version="1.0" encoding="UTF-8"?>
diff --git a/script/package_release.sh b/script/package_release.sh
index 1b84690..ecd3c96 100755
--- a/script/package_release.sh
+++ b/script/package_release.sh
@@ -8,14 +8,14 @@ SWIFT_DIR="$ROOT_DIR/TokenStepSwift"
 BUILT_APP_BUNDLE="$SWIFT_DIR/dist/$APP_NAME.app"
 APP_BUNDLE="$BUILT_APP_BUNDLE"
 RELEASE_DIR="$ROOT_DIR/release"
-VERSION="${TOKENSTEP_VERSION:-0.2.6}"
+VERSION="${TOKENSTEP_VERSION:-0.2.7}"
 IDENTITY="${CODE_SIGN_IDENTITY:-}"
 NOTARIZE=false
 
 usage() {
   cat <<'USAGE'
 Usage:
-  TOKENSTEP_VERSION=0.2.6 CODE_SIGN_IDENTITY="Developer ID Application: Your Name (TEAMID)" ./script/package_release.sh [--notarize]
+  TOKENSTEP_VERSION=0.2.7 CODE_SIGN_IDENTITY="Developer ID Application: Your Name (TEAMID)" ./script/package_release.sh [--notarize]
 
 Notarization credentials, choose one:
   TOKENSTEP_NOTARY_PROFILE="notarytool-profile"
diff --git a/script/render_popover_panel.sh b/script/render_popover_panel.sh
index fc24e96..71fac90 100755
--- a/script/render_popover_panel.sh
+++ b/script/render_popover_panel.sh
@@ -8,7 +8,7 @@ OVERLAY_DIR="$BUILD_DIR/vfs-overlay"
 OVERLAY_FILE="$OVERLAY_DIR/overlay.yaml"
 EMPTY_MODULEMAP="$OVERLAY_DIR/empty.modulemap"
 EXECUTABLE="$BUILD_DIR/popover-panel-render"
-OUTPUT_DIR="${1:-$ROOT_DIR/docs/validation/v0.2.4-popover-theme-packs}"
+OUTPUT_DIR="${1:-$ROOT_DIR/docs/validation/v0.2.7-theme-packs}"
 
 mkdir -p "$BUILD_DIR" "$OVERLAY_DIR" "$OUTPUT_DIR"
 cat > "$EMPTY_MODULEMAP" <<'EOF'
@@ -23,13 +23,15 @@ while IFS= read -r source; do SOURCES+=("$source"); done < <(find "$SWIFT_DIR/So
 
 swiftc -D TOKENSTEP_TESTING -target arm64-apple-macos14.0 -vfsoverlay "$OVERLAY_FILE" -Xcc -ivfsoverlay -Xcc "$OVERLAY_FILE" -parse-as-library "${SOURCES[@]}" "$SWIFT_DIR/Tests/Fixtures/PopoverPanelRender.swift" -o "$EXECUTABLE"
 
-for theme in green voyage; do
-  test_root="$(mktemp -d "${TMPDIR:-/tmp}/tokenstep-popover-v024-${theme}.XXXXXX")"
+for theme in green voyage event_horizon; do
+  test_root="$(mktemp -d "${TMPDIR:-/tmp}/tokenstep-popover-v027-${theme}.XXXXXX")"
   TOKENSTEP_TEST_APP_SUPPORT_ROOT="$test_root/app-support" \
   TOKENSTEP_ICON_PATH="$ROOT_DIR/TokenUsageMenuApp/assets/TokenStepIcon.icns" \
   TOKENSTEP_ODYSSEY_AEGEAN_ART_PATH="$ROOT_DIR/TokenUsageMenuApp/assets/odyssey/OdysseyAegeanPopover.png" \
   TOKENSTEP_ODYSSEY_TROJAN_ART_PATH="$ROOT_DIR/TokenUsageMenuApp/assets/odyssey/OdysseyTrojanPopover.png" \
   TOKENSTEP_ODYSSEY_ASH_ART_PATH="$ROOT_DIR/TokenUsageMenuApp/assets/odyssey/OdysseyAshMarblePopover.png" \
+  TOKENSTEP_INTERSTELLAR_HERO_ART_PATH="$ROOT_DIR/TokenUsageMenuApp/assets/interstellar/InterstellarEventHorizonHero.png" \
+  TOKENSTEP_INTERSTELLAR_QUIET_ART_PATH="$ROOT_DIR/TokenUsageMenuApp/assets/interstellar/InterstellarEventHorizonQuiet.png" \
   TOKENSTEP_ODYSSEY_CHAPTER="${TOKENSTEP_ODYSSEY_CHAPTER:-aegean_mist}" \
   TOKENSTEP_POPOVER_THEME="$theme" \
   TOKENSTEP_POPOVER_RENDER_PATH="$OUTPUT_DIR/${theme}.png" \
@@ -44,6 +46,8 @@ TOKENSTEP_ICON_PATH="$ROOT_DIR/TokenUsageMenuApp/assets/TokenStepIcon.icns" \
 TOKENSTEP_ODYSSEY_AEGEAN_ART_PATH="$ROOT_DIR/TokenUsageMenuApp/assets/odyssey/OdysseyAegeanPopover.png" \
 TOKENSTEP_ODYSSEY_TROJAN_ART_PATH="$ROOT_DIR/TokenUsageMenuApp/assets/odyssey/OdysseyTrojanPopover.png" \
 TOKENSTEP_ODYSSEY_ASH_ART_PATH="$ROOT_DIR/TokenUsageMenuApp/assets/odyssey/OdysseyAshMarblePopover.png" \
+TOKENSTEP_INTERSTELLAR_HERO_ART_PATH="$ROOT_DIR/TokenUsageMenuApp/assets/interstellar/InterstellarEventHorizonHero.png" \
+TOKENSTEP_INTERSTELLAR_QUIET_ART_PATH="$ROOT_DIR/TokenUsageMenuApp/assets/interstellar/InterstellarEventHorizonQuiet.png" \
 TOKENSTEP_ODYSSEY_CHAPTER="${TOKENSTEP_ODYSSEY_CHAPTER:-aegean_mist}" \
 TOKENSTEP_POPOVER_THEME="voyage" \
 TOKENSTEP_POPOVER_RANK="hidden" \
diff --git a/script/render_voyage_interfaces.sh b/script/render_voyage_interfaces.sh
index d5061d6..2cb9f9b 100755
--- a/script/render_voyage_interfaces.sh
+++ b/script/render_voyage_interfaces.sh
@@ -8,7 +8,7 @@ OVERLAY_DIR="$BUILD_DIR/vfs-overlay"
 OVERLAY_FILE="$OVERLAY_DIR/overlay.yaml"
 EMPTY_MODULEMAP="$OVERLAY_DIR/empty.modulemap"
 EXECUTABLE="$BUILD_DIR/voyage-interface-render"
-OUTPUT_DIR="${1:-$ROOT_DIR/docs/validation/v0.2.4-odyssey-directors-cut}"
+OUTPUT_DIR="${1:-$ROOT_DIR/docs/validation/v0.2.7-interstellar}"
 
 mkdir -p "$BUILD_DIR" "$OVERLAY_DIR" "$OUTPUT_DIR"
 cat > "$EMPTY_MODULEMAP" <<'EOF'
@@ -23,7 +23,7 @@ while IFS= read -r source; do SOURCES+=("$source"); done < <(find "$SWIFT_DIR/So
 
 swiftc -D TOKENSTEP_TESTING -target arm64-apple-macos14.0 -vfsoverlay "$OVERLAY_FILE" -Xcc -ivfsoverlay -Xcc "$OVERLAY_FILE" -parse-as-library "${SOURCES[@]}" "$SWIFT_DIR/Tests/Fixtures/VoyageInterfaceRender.swift" -o "$EXECUTABLE"
 
-test_root="$(mktemp -d "${TMPDIR:-/tmp}/tokenstep-odyssey-v024.XXXXXX")"
+test_root="$(mktemp -d "${TMPDIR:-/tmp}/tokenstep-theme-v027.XXXXXX")"
 trap 'rm -rf "$test_root"' EXIT
 
 TOKENSTEP_TEST_APP_SUPPORT_ROOT="$test_root/app-support" \
@@ -31,7 +31,10 @@ TOKENSTEP_ICON_PATH="$ROOT_DIR/TokenUsageMenuApp/assets/TokenStepIcon.icns" \
 TOKENSTEP_ODYSSEY_AEGEAN_ART_PATH="$ROOT_DIR/TokenUsageMenuApp/assets/odyssey/OdysseyAegeanPopover.png" \
 TOKENSTEP_ODYSSEY_TROJAN_ART_PATH="$ROOT_DIR/TokenUsageMenuApp/assets/odyssey/OdysseyTrojanPopover.png" \
 TOKENSTEP_ODYSSEY_ASH_ART_PATH="$ROOT_DIR/TokenUsageMenuApp/assets/odyssey/OdysseyAshMarblePopover.png" \
+TOKENSTEP_INTERSTELLAR_HERO_ART_PATH="$ROOT_DIR/TokenUsageMenuApp/assets/interstellar/InterstellarEventHorizonHero.png" \
+TOKENSTEP_INTERSTELLAR_QUIET_ART_PATH="$ROOT_DIR/TokenUsageMenuApp/assets/interstellar/InterstellarEventHorizonQuiet.png" \
 TOKENSTEP_ODYSSEY_CHAPTER="${TOKENSTEP_ODYSSEY_CHAPTER:-directors_cut}" \
+TOKENSTEP_THEME_PACK="${TOKENSTEP_THEME_PACK:-interstellar}" \
 TOKENSTEP_VOYAGE_RENDER_DIR="$OUTPUT_DIR" \
 "$EXECUTABLE"