diff --git a/src/components/admin/admin-shell.tsx b/src/components/admin/admin-shell.tsx
index 814e0c8..2a65f14 100644
--- a/src/components/admin/admin-shell.tsx
+++ b/src/components/admin/admin-shell.tsx
@@ -16,7 +16,7 @@ export function AdminShell({ children }: { children: ReactNode }) {
   return (
     <SidebarProvider defaultOpen>
       <AdminAppSidebar />
-      <SidebarInset className="min-w-0 overflow-x-hidden max-md:overflow-x-hidden">
+        <SidebarInset className="min-w-0 overflow-x-clip max-md:overflow-x-clip">
         <header className="sticky top-0 z-30 flex h-14 shrink-0 items-center gap-3 border-b border-border bg-card/90 px-4 shadow-[0_1px_0_rgb(216_230_251_/_45%)] backdrop-blur-md">
           <SidebarTrigger />
           <Separator orientation="vertical" className="mr-1.5 h-4" />
@@ -25,7 +25,7 @@ export function AdminShell({ children }: { children: ReactNode }) {
             <ShellToolbar />
           </div>
         </header>
-        <div className="flex min-w-0 flex-1 flex-col overflow-x-hidden px-4 pt-4 pb-6 md:px-5 md:pt-4 md:pb-6">
+        <div className="flex min-w-0 flex-1 flex-col overflow-x-clip px-4 pt-4 pb-6 md:px-5 md:pt-4 md:pb-6">
           {children}
         </div>
       </SidebarInset>
diff --git a/src/components/ui/button.tsx b/src/components/ui/button.tsx
index 6042c42..a4895f6 100644
--- a/src/components/ui/button.tsx
+++ b/src/components/ui/button.tsx
@@ -20,9 +20,9 @@ const buttonVariants = cva(
         link: "text-primary underline-offset-4 hover:underline",
       },
       size: {
-        default:
-          "h-8 gap-1.5 px-2.5 has-data-[icon=inline-end]:pr-2 has-data-[icon=inline-start]:pl-2",
         xs: "h-6 gap-1 rounded-[min(var(--radius-md),10px)] px-2 text-xs in-data-[slot=button-group]:rounded-lg has-data-[icon=inline-end]:pr-1.5 has-data-[icon=inline-start]:pl-1.5 [&_svg:not([class*='size-'])]:size-3",
+        default:
+          "h-7 gap-1 rounded-[min(var(--radius-md),12px)] px-2.5 text-[0.8rem] in-data-[slot=button-group]:rounded-lg has-data-[icon=inline-end]:pr-1.5 has-data-[icon=inline-start]:pl-1.5 [&_svg:not([class*='size-'])]:size-3.5",
         sm: "h-7 gap-1 rounded-[min(var(--radius-md),12px)] px-2.5 text-[0.8rem] in-data-[slot=button-group]:rounded-lg has-data-[icon=inline-end]:pr-1.5 has-data-[icon=inline-start]:pl-1.5 [&_svg:not([class*='size-'])]:size-3.5",
         lg: "h-9 gap-1.5 px-2.5 has-data-[icon=inline-end]:pr-2 has-data-[icon=inline-start]:pl-2",
         icon: "size-8",
diff --git a/src/lib/admin-datetime.ts b/src/lib/admin-datetime.ts
index d4eea5d..137140b 100644
--- a/src/lib/admin-datetime.ts
+++ b/src/lib/admin-datetime.ts
@@ -1,7 +1,26 @@
 import type { AdminApiLocale } from "@/lib/admin-locale";
 
-function pad2(n: number): string {
-  return String(n).padStart(2, "0");
+function formatParts(date: Date, timeZone?: string): string {
+  const parts = new Intl.DateTimeFormat("en-CA", {
+    timeZone,
+    year: "numeric",
+    month: "2-digit",
+    day: "2-digit",
+    hour: "2-digit",
+    minute: "2-digit",
+    second: "2-digit",
+    hourCycle: "h23",
+  }).formatToParts(date);
+
+  const map = new Map(parts.map((part) => [part.type, part.value]));
+  const year = map.get("year") ?? "0000";
+  const month = map.get("month") ?? "00";
+  const day = map.get("day") ?? "00";
+  const hour = map.get("hour") ?? "00";
+  const minute = map.get("minute") ?? "00";
+  const second = map.get("second") ?? "00";
+
+  return `${year}-${month}-${day} ${hour}:${minute}:${second}`;
 }
 
 /**
@@ -21,12 +40,30 @@ export function formatAdminInstant(
   if (Number.isNaN(ms)) {
     return "—";
   }
-  const date = new Date(ms);
-  const y = date.getFullYear();
-  const m = pad2(date.getMonth() + 1);
-  const d = pad2(date.getDate());
-  const h = pad2(date.getHours());
-  const min = pad2(date.getMinutes());
-  const s = pad2(date.getSeconds());
-  return `${y}-${m}-${d} ${h}:${min}:${s}`;
+  return formatParts(new Date(ms));
+}
+
+/**
+ * 将接口返回的 ISO 时间串格式化到指定时区，便于并列展示多个地区的时间。
+ */
+export function formatAdminInstantInTimeZone(
+  iso: string | null | undefined,
+  options: {
+    locale: AdminApiLocale;
+    timeZone: string;
+  },
+): string {
+  void options.locale;
+  if (iso == null || iso === "") {
+    return "—";
+  }
+  const ms = Date.parse(iso);
+  if (Number.isNaN(ms)) {
+    return "—";
+  }
+  try {
+    return formatParts(new Date(ms), options.timeZone);
+  } catch {
+    return formatParts(new Date(ms));
+  }
 }
diff --git a/src/modules/config/config-version-actions.tsx b/src/modules/config/config-version-actions.tsx
index 17885b9..6f4719a 100644
--- a/src/modules/config/config-version-actions.tsx
+++ b/src/modules/config/config-version-actions.tsx
@@ -40,7 +40,7 @@ export function ConfigVersionActions({
       <Button
         type="button"
         variant="outline"
-        className="h-9 border-slate-300 bg-white px-3 text-slate-700 hover:bg-slate-50 hover:text-slate-950"
+        className="border-slate-300 bg-white text-slate-700 hover:bg-slate-50 hover:text-slate-950"
         disabled={loadingList}
         onClick={onRefresh}
       >
@@ -49,7 +49,7 @@ export function ConfigVersionActions({
       </Button>
       <Button
         type="button"
-        className="h-9 bg-slate-950 px-3 text-white hover:bg-slate-800"
+        className="bg-slate-950 text-white hover:bg-slate-800"
         disabled={saving}
         onClick={onNewDraft}
       >
@@ -61,7 +61,7 @@ export function ConfigVersionActions({
           <Button
             type="button"
             variant="outline"
-            className="h-9 border-amber-300 bg-amber-50 px-3 text-amber-900 hover:bg-amber-100 hover:text-amber-950"
+            className="border-amber-300 bg-amber-50 text-amber-900 hover:bg-amber-100 hover:text-amber-950"
             disabled={draftActionBusy}
             onClick={onSaveDraft}
           >
@@ -70,7 +70,7 @@ export function ConfigVersionActions({
           </Button>
           <Button
             type="button"
-            className="h-9 bg-emerald-600 px-3 text-white hover:bg-emerald-700"
+            className="bg-emerald-600 text-white hover:bg-emerald-700"
             disabled={draftActionBusy}
             onClick={onPublish}
           >
diff --git a/src/modules/config/config-version-switcher.tsx b/src/modules/config/config-version-switcher.tsx
index c65f747..360dc56 100644
--- a/src/modules/config/config-version-switcher.tsx
+++ b/src/modules/config/config-version-switcher.tsx
@@ -142,7 +142,7 @@ export function ConfigVersionSwitcher({
           variant="outline"
           disabled={loading || sortedVersions.length === 0}
           onClick={() => setSheetOpen(true)}
-          className="h-9 shrink-0 border-slate-300 bg-white px-3 text-slate-800 hover:bg-slate-50 hover:text-slate-950"
+          className="shrink-0 border-slate-300 bg-white text-slate-800 hover:bg-slate-50 hover:text-slate-950"
         >
           <Layers className="size-4" aria-hidden />
           {t("versionSwitcher.switch", { ns: "config" })}
@@ -278,7 +278,7 @@ export function ConfigVersionSwitcher({
                                       type="button"
                                       variant="ghost"
                                       size="sm"
-                                      className="h-8 rounded-full px-3 text-xs text-slate-600 hover:bg-slate-100 hover:text-slate-950"
+                                      className="rounded-full text-xs text-slate-600 hover:bg-slate-100 hover:text-slate-950"
                                       disabled={rollbackBusy}
                                       onClick={() => {
                                         onRollbackVersion(v);
@@ -293,7 +293,7 @@ export function ConfigVersionSwitcher({
                                       type="button"
                                       variant="ghost"
                                       size="sm"
-                                      className="h-8 rounded-full px-3 text-xs text-rose-600 hover:bg-rose-50 hover:text-rose-700"
+                                      className="rounded-full text-xs text-rose-600 hover:bg-rose-50 hover:text-rose-700"
                                       disabled={deletingId === v.id}
                                       onClick={() => setDeleteTarget(v)}
                                     >
diff --git a/src/modules/config/config-workspace-shell.tsx b/src/modules/config/config-workspace-shell.tsx
index 6c50fb1..8767bee 100644
--- a/src/modules/config/config-workspace-shell.tsx
+++ b/src/modules/config/config-workspace-shell.tsx
@@ -19,8 +19,8 @@ export function ConfigWorkspaceShell({ children }: { children: ReactNode }) {
   return (
     <div className="mx-auto flex w-full max-w-7xl flex-col gap-6">
       <div className="flex flex-col gap-6 lg:flex-row lg:items-start">
-        <aside className="shrink-0 lg:sticky lg:top-20 lg:h-[calc(100vh-6rem)] lg:w-56 lg:self-start">
-          <div className="h-full rounded-2xl border border-border/70 bg-card/80 p-3 shadow-sm backdrop-blur lg:overflow-auto">
+        <aside className="shrink-0 lg:sticky lg:top-[72px] lg:w-56 lg:self-start">
+          <div className="rounded-2xl border border-border/70 bg-card/80 p-3 shadow-sm backdrop-blur lg:max-h-[calc(100vh-7rem)] lg:overflow-y-auto">
             <div className="mb-3 px-1">
               <p className="text-xs font-semibold uppercase tracking-[0.18em] text-muted-foreground">
                 {t("nav.sidebarTitle")}
diff --git a/src/modules/config/doc/odds-config-doc-screen.tsx b/src/modules/config/doc/odds-config-doc-screen.tsx
index 3a17b44..e79d018 100644
--- a/src/modules/config/doc/odds-config-doc-screen.tsx
+++ b/src/modules/config/doc/odds-config-doc-screen.tsx
@@ -407,7 +407,11 @@ export function OddsConfigDocScreen() {
               key={t.id}
               type="button"
               variant={catTab === t.id ? "default" : "outline"}
-              className={cn(catTab === t.id && "shadow-sm")}
+              size="xs"
+              className={cn(
+                "h-7 rounded-full px-3 text-xs font-medium",
+                catTab === t.id ? "shadow-sm" : "bg-white text-slate-900",
+              )}
               onClick={() => setCatTab(t.id)}
             >
               {t.label}
@@ -427,7 +431,7 @@ export function OddsConfigDocScreen() {
                   type="button"
                   variant={resolvedPlayCode === t.play_code ? "secondary" : "outline"}
                   className={cn(
-                    "h-9 border-slate-300 px-5 text-[18px] font-medium",
+                    "h-8 rounded-full border-slate-300 px-4 text-sm font-medium",
                     resolvedPlayCode === t.play_code
                       ? "border-slate-950 bg-slate-950 text-white shadow-sm hover:bg-slate-900"
                       : "bg-white text-slate-900 hover:border-slate-400 hover:bg-slate-50",
@@ -470,20 +474,25 @@ export function OddsConfigDocScreen() {
         </div>
 
         {detail ? (
-          <p className="text-sm text-muted-foreground">
-            {t("odds.activeVersionPrefix", { ns: "config" })}
-            {activeHead ? (
-              <>
-                v{activeHead.version_no}
-                {activeHead.effective_at ? ` · ${formatDt(activeHead.effective_at)}` : ""}
-              </>
-            ) : (
-              "—"
-            )}
-            {!isDraft ? (
-              <span className="text-amber-600 dark:text-amber-400"> - {t("odds.readOnlyHint", { ns: "config" })}</span>
-            ) : null}
-          </p>
+          <div className="space-y-1 text-sm">
+            <p className="text-muted-foreground">
+              {t("odds.activeVersionPrefix", { ns: "config" })}
+              {activeHead ? (
+                <>
+                  v{activeHead.version_no}
+                  {activeHead.effective_at ? ` · ${formatDt(activeHead.effective_at)}` : ""}
+                </>
+              ) : (
+                "—"
+              )}
+              {!isDraft ? (
+                <span className="text-amber-600 dark:text-amber-400">
+                  {" "}
+                  - {t("odds.readOnlyHint", { ns: "config" })}
+                </span>
+              ) : null}
+            </p>
+          </div>
         ) : null}
 
         {error ? <p className="text-sm text-destructive">{error}</p> : null}
diff --git a/src/modules/config/doc/play-config-doc-screen.tsx b/src/modules/config/doc/play-config-doc-screen.tsx
index 7064691..54f9b65 100644
--- a/src/modules/config/doc/play-config-doc-screen.tsx
+++ b/src/modules/config/doc/play-config-doc-screen.tsx
@@ -37,6 +37,7 @@ import {
 import { ConfigReadonlyValue } from "@/modules/config/config-readonly-value";
 import { ConfigVersionActions } from "@/modules/config/config-version-actions";
 import { ConfigVersionSwitcher } from "@/modules/config/config-version-switcher";
+import { useAdminDateTimeFormatter } from "@/hooks/use-admin-datetime-formatter";
 import { LotteryApiBizError } from "@/types/api/errors";
 import type {
   ConfigVersionSummary,
@@ -129,6 +130,7 @@ function buildPlayConfigSavePayload(
 
 export function PlayConfigDocScreen() {
   const { t } = useTranslation(["config", "adminUsers", "common"]);
+  const formatDt = useAdminDateTimeFormatter();
   const [list, setList] = useState<ConfigVersionSummary[]>([]);
   const [selectedId, setSelectedId] = useState("");
   const [detail, setDetail] = useState<PlayConfigVersionDetail | null>(null);
@@ -408,7 +410,7 @@ export function PlayConfigDocScreen() {
             {activeHead ? (
               <>
                 {t("play.activeVersion", { ns: "config", version: activeHead.version_no })}
-                {activeHead.effective_at ? ` · ${activeHead.effective_at}` : ""}
+                {activeHead.effective_at ? ` · ${formatDt(activeHead.effective_at)}` : ""}
               </>
             ) : null}
             {!isDraft ? (
@@ -425,9 +427,6 @@ export function PlayConfigDocScreen() {
             <div className="mb-3 flex flex-wrap items-center justify-between gap-2">
               <div>
                 <p className="text-sm font-medium">{t("play.batchSwitchesTitle", { ns: "config" })}</p>
-                <p className="text-xs text-muted-foreground">
-                  {t("play.batchSwitchesDesc", { ns: "config" })}
-                </p>
               </div>
               {!isDraft ? (
                 <span className="text-xs text-amber-600 dark:text-amber-400">
diff --git a/src/modules/config/doc/rebate-config-doc-screen.tsx b/src/modules/config/doc/rebate-config-doc-screen.tsx
index 3b52ae9..d5ca12a 100644
--- a/src/modules/config/doc/rebate-config-doc-screen.tsx
+++ b/src/modules/config/doc/rebate-config-doc-screen.tsx
@@ -377,9 +377,6 @@ export function RebateConfigDocScreen() {
             <Label htmlFor="win-enjoy" className="font-medium leading-snug">
               {t("rebate.winEnjoy.label", { ns: "config" })}
             </Label>
-            <p className="text-sm text-muted-foreground">
-              {t("rebate.winEnjoy.description", { ns: "config" })}
-            </p>
           </div>
         </div>
 
diff --git a/src/modules/config/doc/risk-cap-doc-screen.tsx b/src/modules/config/doc/risk-cap-doc-screen.tsx
index 08d50d3..702079c 100644
--- a/src/modules/config/doc/risk-cap-doc-screen.tsx
+++ b/src/modules/config/doc/risk-cap-doc-screen.tsx
@@ -364,7 +364,7 @@ export function RiskCapDocScreen() {
 
           {detail ? (
             <p className="text-sm text-muted-foreground">
-              {t("riskCap.effectiveAt", { ns: "config", value: detail.effective_at ? formatDt(detail.effective_at) : "—" })} · {t("riskCap.note", { ns: "config", value: detail.reason ?? "—" })}
+              {t("riskCap.effectiveAt", { ns: "config", value: detail.effective_at ? formatDt(detail.effective_at) : "—" })}
               {!isDraft ? (
                 <span className="text-amber-600 dark:text-amber-400"> - {t("riskCap.readOnlyHint", { ns: "config" })}</span>
               ) : null}
@@ -376,9 +376,6 @@ export function RiskCapDocScreen() {
 
         <section className="space-y-3 rounded-lg border bg-muted/20 p-4">
           <h3 className="text-sm font-medium">{t("riskCap.defaultCap.title", { ns: "config" })}</h3>
-          <p className="text-sm text-muted-foreground">
-            {t("riskCap.defaultCap.description", { ns: "config" })}
-          </p>
           <div className="flex flex-wrap items-end gap-2">
             <div className="grid gap-1">
               <Label htmlFor="default-cap">{t("riskCap.defaultCap.fieldLabel", { ns: "config" })}</Label>
@@ -503,9 +500,6 @@ export function RiskCapDocScreen() {
 
         <section className="space-y-3">
           <h3 className="text-sm font-medium">{t("riskCap.occupancy.title", { ns: "config" })}</h3>
-          <p className="text-sm text-muted-foreground">
-            {t("riskCap.occupancy.description", { ns: "config" })}
-          </p>
           <div className="flex flex-wrap gap-3 items-end">
             <div className="grid gap-1">
               <Label htmlFor="occ-search">{t("riskCap.occupancy.searchLabel", { ns: "config" })}</Label>
diff --git a/src/modules/config/doc/wallet-config-doc-screen.tsx b/src/modules/config/doc/wallet-config-doc-screen.tsx
index 7c001e8..143420c 100644
--- a/src/modules/config/doc/wallet-config-doc-screen.tsx
+++ b/src/modules/config/doc/wallet-config-doc-screen.tsx
@@ -115,9 +115,6 @@ export function WalletConfigDocScreen() {
         <CardTitle>{t("wallet.title", { ns: "config" })}</CardTitle>
       </CardHeader>
       <CardContent className="space-y-6">
-        <p className="text-sm text-muted-foreground">
-          {t("wallet.description", { ns: "config" })}
-        </p>
         <div className="grid gap-6 sm:grid-cols-2">
           <div className="space-y-2">
             <Label htmlFor="in-min">{t("wallet.fields.inMin", { ns: "config" })}</Label>
@@ -131,9 +128,6 @@ export function WalletConfigDocScreen() {
               onChange={(e) => handleChange("inMin", e.target.value)}
               disabled={loading || saving}
             />
-            <p className="text-xs text-muted-foreground">
-              {t("wallet.hints.inMin", { ns: "config" })}
-            </p>
           </div>
           <div className="space-y-2">
             <Label htmlFor="in-max">{t("wallet.fields.inMax", { ns: "config" })}</Label>
@@ -147,9 +141,6 @@ export function WalletConfigDocScreen() {
               onChange={(e) => handleChange("inMax", e.target.value)}
               disabled={loading || saving}
             />
-            <p className="text-xs text-muted-foreground">
-              {t("wallet.hints.inMax", { ns: "config" })}
-            </p>
           </div>
           <div className="space-y-2">
             <Label htmlFor="out-min">{t("wallet.fields.outMin", { ns: "config" })}</Label>
@@ -163,9 +154,6 @@ export function WalletConfigDocScreen() {
               onChange={(e) => handleChange("outMin", e.target.value)}
               disabled={loading || saving}
             />
-            <p className="text-xs text-muted-foreground">
-              {t("wallet.hints.outMin", { ns: "config" })}
-            </p>
           </div>
           <div className="space-y-2">
             <Label htmlFor="out-max">{t("wallet.fields.outMax", { ns: "config" })}</Label>
@@ -179,9 +167,6 @@ export function WalletConfigDocScreen() {
               onChange={(e) => handleChange("outMax", e.target.value)}
               disabled={loading || saving}
             />
-            <p className="text-xs text-muted-foreground">
-              {t("wallet.hints.outMax", { ns: "config" })}
-            </p>
           </div>
         </div>
         <div className="flex items-center gap-4">
diff --git a/src/modules/settings/system-settings-screen.tsx b/src/modules/settings/system-settings-screen.tsx
index 892d757..f46d4e7 100644
--- a/src/modules/settings/system-settings-screen.tsx
+++ b/src/modules/settings/system-settings-screen.tsx
@@ -120,14 +120,6 @@ export function SystemSettingsScreen() {
             </CardTitle>
           </div>
         </CardHeader>
-        <CardContent className="space-y-3 text-sm text-muted-foreground">
-          <p>
-            {t("system.runtimeIntro1", { ns: "config" })}
-          </p>
-          <p>
-            {t("system.runtimeIntro2", { ns: "config" })}
-          </p>
-        </CardContent>
       </Card>
 
       <Card>
@@ -135,18 +127,9 @@ export function SystemSettingsScreen() {
           <CardTitle>{t("system.title", { ns: "config" })}</CardTitle>
         </CardHeader>
         <CardContent className="space-y-6">
-          <p className="text-sm text-muted-foreground">
-            {t("system.description", { ns: "config" })}
-          </p>
-
           <div className="grid gap-6 md:grid-cols-2">
             <div className="space-y-3 rounded-xl border border-border/70 p-4">
-              <div className="space-y-1">
-                <Label htmlFor="manual-review">{t("system.fields.manualReview", { ns: "config" })}</Label>
-                <p className="text-xs text-muted-foreground">
-                  {t("system.hints.manualReview", { ns: "config" })}
-                </p>
-              </div>
+              <Label htmlFor="manual-review">{t("system.fields.manualReview", { ns: "config" })}</Label>
               <div className="flex items-center gap-3">
                 <Checkbox
                   id="manual-review"
@@ -163,12 +146,7 @@ export function SystemSettingsScreen() {
             </div>
 
             <div className="space-y-3 rounded-xl border border-border/70 p-4">
-              <div className="space-y-1">
-                <Label htmlFor="auto-settlement">{t("system.fields.autoSettlement", { ns: "config" })}</Label>
-                <p className="text-xs text-muted-foreground">
-                  {t("system.hints.autoSettlement", { ns: "config" })}
-                </p>
-              </div>
+              <Label htmlFor="auto-settlement">{t("system.fields.autoSettlement", { ns: "config" })}</Label>
               <div className="flex items-center gap-3">
                 <Checkbox
                   id="auto-settlement"
@@ -196,9 +174,6 @@ export function SystemSettingsScreen() {
               onChange={(e) => updateDraft("cooldownMinutes", e.target.value)}
               disabled={loading || saving}
             />
-            <p className="text-xs text-muted-foreground">
-              {t("system.hints.cooldownMinutes", { ns: "config" })}
-            </p>
           </div>
 
           <div className="flex items-center gap-4">
diff --git a/src/modules/wallet/wallet-console.tsx b/src/modules/wallet/wallet-console.tsx
index e995abd..b2d6071 100644
--- a/src/modules/wallet/wallet-console.tsx
+++ b/src/modules/wallet/wallet-console.tsx
@@ -496,7 +496,7 @@ export function TransferOrdersPanel(): React.ReactElement {
                                 <Button
                                   size="sm"
                                   variant="destructive"
-                                  className="h-6 px-2 text-xs"
+                                  className="text-xs"
                                   disabled={actionLoading.has(row.transfer_no)}
                                   onClick={() => handleReverse(row.transfer_no)}
                                 >
@@ -507,7 +507,7 @@ export function TransferOrdersPanel(): React.ReactElement {
                                 <Button
                                   size="sm"
                                   variant="outline"
-                                  className="h-6 px-2 text-xs"
+                                  className="text-xs"
                                   disabled={actionLoading.has(row.transfer_no)}
                                   onClick={() => handleManuallyProcess(row.transfer_no)}
                                 >