diff --git a/src/components/SubscriptionQuotaFooter.tsx b/src/components/SubscriptionQuotaFooter.tsx
index 71038dbd0..f17655388 100644
--- a/src/components/SubscriptionQuotaFooter.tsx
+++ b/src/components/SubscriptionQuotaFooter.tsx
@@ -11,7 +11,9 @@ import {
   creditsLine,
   failedLines,
   resetCreditsLine,
+  resetText,
   tierLine,
+  type QuotaBreakdown,
   type QuotaDisplay,
   type QuotaLine,
 } from "@/components/quota/quotaRules";
@@ -93,6 +95,34 @@ function collapseInlineGroups(tiers: QuotaTier[]): QuotaTier[] {
   );
 }
 
+/**
+ * 卡片按组合并过档位时（Antigravity），整列做成一个下拉逐档列出：
+ * 「Gemini 5 小时  4h59m后重置  剩余 100%」。没合并时不需要（null）
+ */
+export function tierBreakdown(
+  t: TFunction,
+  tiers: QuotaTier[],
+  display: QuotaDisplay = "left",
+): QuotaBreakdown | null {
+  const known = tiers.filter((tier) => tier.name in TIER_I18N_KEYS);
+  if (collapseInlineGroups(known).length === known.length) return null;
+  return {
+    title: t("quota.windows.title"),
+    openLabel: t("quota.windows.showAll"),
+    items: known.map((tier) => {
+      const label = tierLabel(t, tier.name);
+      const line = tierLine(t, tier, label, { display });
+      return {
+        key: tier.name,
+        label,
+        hint: resetText(t, line) ?? undefined,
+        value: line.value ?? line.text,
+        tone: line.tone,
+      };
+    }),
+  };
+}
+
 export function tierLabel(t: TFunction, name: string): string {
   return TIER_I18N_KEYS[name] ? t(TIER_I18N_KEYS[name]) : name;
 }
@@ -254,6 +284,7 @@ export const SubscriptionQuotaView: React.FC<SubscriptionQuotaViewProps> = ({
         queriedAt={quota.queriedAt}
         loading={loading}
         onRefresh={refetch}
+        breakdown={tierBreakdown(t, quota.tiers || [], display) ?? undefined}
       />
     );
   }
diff --git a/src/components/quota/QuotaBreakdown.tsx b/src/components/quota/QuotaBreakdown.tsx
index bdb649248..e7f026cbc 100644
--- a/src/components/quota/QuotaBreakdown.tsx
+++ b/src/components/quota/QuotaBreakdown.tsx
@@ -16,6 +16,7 @@ import type {
 /**
  * 一行写不下的额度（存下了好几次重置）：整行（卡片上是那一段）是按钮，点开逐条列出明细
  * （每一次的到期日，同一天到期的并成一条）。授权中心、卡片额度列和展开的额度条共用。
+ * 不给 `line` 时标题右边不写值（卡片整列做成一个下拉时，列出的是好几档，没有一个总值）。
  *
  * `className` 给按钮，用调用方原来那一行的排版；左右各外扩 4px 留出悬停底色，文字不挪位。
  */
@@ -26,7 +27,7 @@ export function QuotaBreakdownRow({
   align = "start",
   children,
 }: {
-  line: QuotaLine;
+  line?: QuotaLine;
   breakdown: QuotaBreakdown;
   className?: string;
   /** 弹窗和按钮哪边对齐：卡片额度列靠右，用 end */
@@ -57,9 +58,11 @@ export function QuotaBreakdownRow({
       >
         <div className="mb-2 flex items-baseline justify-between gap-3 text-caption">
           <span className="font-medium text-fg-1">{breakdown.title}</span>
-          <span className="whitespace-nowrap tabular-nums text-fg-2">
-            {line.value ?? line.text}
-          </span>
+          {line && (
+            <span className="whitespace-nowrap tabular-nums text-fg-2">
+              {line.value ?? line.text}
+            </span>
+          )}
         </div>
         <BreakdownItems items={breakdown.items} />
         {breakdown.footer && (
diff --git a/src/components/quota/QuotaLines.tsx b/src/components/quota/QuotaLines.tsx
index 87520a87d..b62883896 100644
--- a/src/components/quota/QuotaLines.tsx
+++ b/src/components/quota/QuotaLines.tsx
@@ -11,6 +11,7 @@ import {
   formatRelativeTime,
   lineHint,
   resetText,
+  type QuotaBreakdown,
   type QuotaLine,
   type QuotaTone,
 } from "./quotaRules";
@@ -197,12 +198,15 @@ interface QuotaLinesProps {
   loading?: boolean;
   /** 返回 refetch() 的 Promise 时，点击后的 ✓ / ✗ 也认请求本身的成败 */
   onRefresh?: () => unknown;
+  /** 卡片上放不下的各档：整列做成一个下拉（Antigravity 四档，见 tierBreakdown） */
+  breakdown?: QuotaBreakdown;
 }
 
 /**
  * 卡片右侧的额度列（v7）：最多两行、右对齐、平时灰色；档数多时第一行写窗口最短的那档，
  * 其余并成一行、每段各自上色（cardRows）。点一下重查，悬停说明每档、更新时间和重置时间。
  * 能重查时，悬停 / 键盘聚焦在第一行左边露出 ↻，点了之后它转到查完，再按结果换成 ✓ / ✗ 停一秒。
+ * 给了 `breakdown`（卡片只写得下其中几档）时整列是一个下拉，点开逐档列出；重查改点 ↻。
  */
 export function QuotaLines({
   lines,
@@ -210,6 +214,7 @@ export function QuotaLines({
   queriedAt,
   loading = false,
   onRefresh,
+  breakdown,
 }: QuotaLinesProps) {
   const { t } = useTranslation();
   const now = useNow(Boolean(queriedAt) || lines.some((line) => line.resetsAt));
@@ -266,8 +271,9 @@ export function QuotaLines({
 
   const className = cn(
     "flex shrink-0 flex-col items-end text-caption leading-[18px] tabular-nums whitespace-nowrap",
-    // 文字仍是 136 宽，倒计时那格（52 + 间距）另加
+    // 文字仍是 136 宽，倒计时那格（52 + 间距）另加；整列下拉的 ⌄ 那格（14）也另加
     showReset ? "w-[194px]" : "w-[136px]",
+    breakdown && (showReset ? "w-[208px]" : "w-[150px]"),
     loading && !spinning && "opacity-60",
   );
 
@@ -330,6 +336,20 @@ export function QuotaLines({
       />
     );
 
+  if (breakdown) {
+    return (
+      <DropdownQuotaColumn
+        rows={rows}
+        breakdown={breakdown}
+        className={className}
+        title={title}
+        icon={icon}
+        resetSlot={resetSlot}
+        refreshProps={refreshProps}
+      />
+    );
+  }
+
   if (split) {
     return (
       <SplitQuotaColumn
@@ -374,6 +394,81 @@ interface RefreshProps {
   onBlur: () => void;
 }
 
+/**
+ * 整列一个下拉：点文字打开各档明细，⌄ 跟在第一行文字后面（其余行留同宽的空位，数字仍竖着对齐）。
+ * 下拉里不能再套按钮，↻ 单独做成下拉左边的小按钮（不占宽度），悬停整列时露出来。
+ */
+function DropdownQuotaColumn({
+  rows,
+  breakdown,
+  className,
+  title,
+  icon,
+  resetSlot,
+  refreshProps,
+}: {
+  rows: QuotaLine[][];
+  breakdown: QuotaBreakdown;
+  className: string;
+  title: string;
+  icon: ReactNode;
+  resetSlot: (row: QuotaLine[]) => ReactNode;
+  refreshProps: RefreshProps;
+}) {
+  const { t } = useTranslation();
+  return (
+    <div
+      className={cn(className, "flex-row items-start justify-end")}
+      onMouseEnter={refreshProps.onMouseEnter}
+      onMouseLeave={refreshProps.onMouseLeave}
+    >
+      <span className="relative flex min-w-0">
+        {/* 绝对定位贴在下拉左边、不占宽度：↻ 出现 / 消失时文字不被挤动 */}
+        <button
+          type="button"
+          title={title}
+          aria-label={t("quota.clickToRefresh")}
+          className="group absolute end-full top-0 me-1 flex h-[18px] items-center rounded-control focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring"
+          {...refreshProps}
+          // 悬停交给整列：移出这个小按钮、还在列上时 ↻ 不能消失
+          onMouseEnter={undefined}
+          onMouseLeave={undefined}
+        >
+          {icon}
+        </button>
+        <QuotaBreakdownRow
+          breakdown={breakdown}
+          align="end"
+          className="flex min-w-0 flex-col items-end text-fg-2"
+        >
+          {rows.map((row, rowIndex) => (
+            <span
+              key={row.map((line) => line.key).join("+")}
+              className="flex max-w-full items-center justify-end"
+            >
+              <span className="min-w-0 truncate">
+                {row.map((line, index) => (
+                  <span key={line.key}>
+                    {index > 0 && " · "}
+                    <TonedText
+                      text={(row.length > 1 && line.short) || line.text}
+                      line={line}
+                    />
+                  </span>
+                ))}
+              </span>
+              <span className="ms-0.5 flex w-3 shrink-0">
+                {rowIndex === 0 && <QuotaBreakdownChevron />}
+              </span>
+              {resetSlot(row)}
+            </span>
+          ))}
+        </QuotaBreakdownRow>
+      </span>
+    </div>
+  );
+}
+
 /**
  * 有一段能点开明细时（「每周 64% · 重置 3 次 ⌄」）：那一段单独做成下拉，其余照旧点了重查。
  * 按钮里不能再套按钮，所以整列拆成几块：第一块刷新是真按钮（键盘、读屏都认它），
diff --git a/src/i18n/locales/en.json b/src/i18n/locales/en.json
index 45b4a16ea..d7b799ffc 100644
--- a/src/i18n/locales/en.json
+++ b/src/i18n/locales/en.json
@@ -4462,6 +4462,10 @@
       "text": "Credits ≈ {{usd}}",
       "usd": "≈ {{usd}}",
       "detail": "Credits balance {{balance}} · ≈ {{usd}} at API prices · used only after your limits run out"
+    },
+    "windows": {
+      "title": "All limits",
+      "showAll": "Show all limits"
     }
   },
   "appMatrix": {
diff --git a/src/i18n/locales/ja.json b/src/i18n/locales/ja.json
index 3142a3609..59dc1f7da 100644
--- a/src/i18n/locales/ja.json
+++ b/src/i18n/locales/ja.json
@@ -4462,6 +4462,10 @@
       "text": "Credits 約 {{usd}}",
       "usd": "約 {{usd}}",
       "detail": "Credits 残高 {{balance}} · API 価格換算で約 {{usd}} · 上限に達した後にのみ消費"
+    },
+    "windows": {
+      "title": "各枠の残量",
+      "showAll": "各枠の残量を表示"
     }
   },
   "appMatrix": {
diff --git a/src/i18n/locales/zh-TW.json b/src/i18n/locales/zh-TW.json
index 8bc07e2d8..4678b631e 100644
--- a/src/i18n/locales/zh-TW.json
+++ b/src/i18n/locales/zh-TW.json
@@ -4463,6 +4463,10 @@
       "text": "Credits 約 {{usd}}",
       "usd": "約 {{usd}}",
       "detail": "Credits 餘額 {{balance}} · 按 API 價折算約 {{usd}} · 額度用完後才扣"
+    },
+    "windows": {
+      "title": "各檔額度",
+      "showAll": "查看各檔額度"
     }
   },
   "appMatrix": {
diff --git a/src/i18n/locales/zh.json b/src/i18n/locales/zh.json
index bc337ce19..31804a7b7 100644
--- a/src/i18n/locales/zh.json
+++ b/src/i18n/locales/zh.json
@@ -4462,6 +4462,10 @@
       "text": "Credits 约 {{usd}}",
       "usd": "约 {{usd}}",
       "detail": "Credits 余额 {{balance}} · 按 API 价折算约 {{usd}} · 额度用完后才扣"
+    },
+    "windows": {
+      "title": "各档额度",
+      "showAll": "查看各档额度"
     }
   },
   "appMatrix": {
diff --git a/tests/components/SubscriptionQuotaFooter.test.tsx b/tests/components/SubscriptionQuotaFooter.test.tsx
index 9ee0e3dd2..862645ff0 100644
--- a/tests/components/SubscriptionQuotaFooter.test.tsx
+++ b/tests/components/SubscriptionQuotaFooter.test.tsx
@@ -208,7 +208,7 @@ describe("Antigravity quota groups", () => {
 
   it("keeps one line per group on the card: the window with the least left", () => {
     renderQuota(agyTiers);
-    const lines = screen.getByRole("button").children;
+    const lines = screen.getByRole("button", { name: "查看各档额度" }).children;
     expect(lines).toHaveLength(2);
     expect(lines[0]).toHaveTextContent("Gemini 剩余 60%");
     expect(lines[1]).toHaveTextContent("Claude/GPT 剩余 5%");
@@ -216,6 +216,34 @@ describe("Antigravity quota groups", () => {
     expect(screen.getByText("2d12h")).toBeInTheDocument();
   });
 
+  it("opens one dropdown listing all four windows; ↻ still refreshes", async () => {
+    const refetch = vi.fn();
+    renderQuota(agyTiers, true, {}, refetch);
+    fireEvent.click(screen.getByRole("button", { name: "查看各档额度" }));
+    expect(refetch).not.toHaveBeenCalled();
+    const dialog = await screen.findByRole("dialog", { name: "各档额度" });
+    expect(
+      within(dialog)
+        .getAllByRole("listitem")
+        .map((item) => item.textContent),
+    ).toEqual([
+      "Gemini 5 小时剩余 90%",
+      "Gemini 每周2d12h后重置剩余 60%",
+      "Claude/GPT 5 小时剩余 5%",
+      "Claude/GPT 每周剩余 80%",
+    ]);
+
+    fireEvent.click(screen.getByRole("button", { name: "点击重新查询" }));
+    expect(refetch).toHaveBeenCalledTimes(1);
+  });
+
+  it("keeps other cards' quota column clickable to refresh", () => {
+    renderQuota([{ name: "five_hour", utilization: 10, resetsAt: null }]);
+    expect(
+      screen.queryByRole("button", { name: "查看各档额度" }),
+    ).not.toBeInTheDocument();
+  });
+
   it("lists every group and window when expanded", () => {
     renderQuota(agyTiers, false);
     for (const name of [