diff --git a/frontend-web/src/pages/AdminUserLeaderboardPage.tsx b/frontend-web/src/pages/AdminUserLeaderboardPage.tsx
index 08d47aa9..144f3f4c 100644
--- a/frontend-web/src/pages/AdminUserLeaderboardPage.tsx
+++ b/frontend-web/src/pages/AdminUserLeaderboardPage.tsx
@@ -25,7 +25,7 @@ import {
   Users,
   type LucideIcon,
 } from "lucide-react";
-import { useEffect, useId, useMemo, useRef, useState } from "react";
+import { useEffect, useId, useMemo, useRef, useState, type ReactNode } from "react";
 import { useNavigate } from "react-router-dom";
 
 import { Badge } from "@/components/ui/badge";
@@ -521,9 +521,87 @@ function TrendBars({ points, compact = false }: { points: AdminLeaderboardTrendP
   const displayedSeries = metric === "all" ? series : [activeSeries];
   const totalFor = (key: TrendMetric) => visible.reduce((sum, point) => sum + Number(point[key] ?? 0), 0);
   const activeDays = visible.filter((point) => point.runs > 0 || point.questions > 0 || point.tokens > 0).length;
+  const metricCards = ({ includeAll = true, large = false }: { includeAll?: boolean; large?: boolean } = {}) => (
+    <div className={cn("grid gap-2", includeAll ? "sm:grid-cols-2 xl:grid-cols-5" : "sm:grid-cols-4")}>
+      {includeAll && (
+        <button
+          type="button"
+          onClick={() => setMetric("all")}
+          className={cn(
+            "min-w-0 rounded-lg border px-3 py-2 text-left transition hover:-translate-y-0.5 hover:shadow-sm",
+            large && "px-4 py-3",
+            metric === "all"
+              ? "border-[#C1121F] bg-[#FFF1F1] shadow-sm dark:border-[#F2B8BB]/40 dark:bg-[#3A1215]"
+              : "border-[#F1D6D6] bg-white dark:border-[#462123] dark:bg-[#230D0F]",
+          )}
+        >
+          <span className="inline-flex rounded-full bg-[#FFF1F1] px-2 py-0.5 text-xs font-medium text-[#C1121F]">全部趋势</span>
+          <span className={cn("mt-2 block font-semibold tabular-nums text-[#231815] dark:text-white", large ? "text-2xl" : "text-lg")}>
+            {fmtNumber(visible.reduce((sum, point) => sum + point.runs + point.questions + point.users, 0))}
+          </span>
+          {large && <span className="mt-1 block truncate text-xs text-[#8B6B6B] dark:text-[#D8B8B8]">同时显示运行、问答、活跃与 Token</span>}
+        </button>
+      )}
+      {series.map((item) => (
+        <button
+          key={item.key}
+          type="button"
+          onClick={() => setMetric(item.key)}
+          className={cn(
+            "min-w-0 rounded-lg border px-3 py-2 text-left transition hover:-translate-y-0.5 hover:shadow-sm",
+            large && "px-4 py-3",
+            metric === item.key
+              ? "border-[#C1121F] bg-[#FFF1F1] shadow-sm dark:border-[#F2B8BB]/40 dark:bg-[#3A1215]"
+              : "border-[#F1D6D6] bg-white dark:border-[#462123] dark:bg-[#230D0F]",
+          )}
+          title={item.description}
+        >
+          <span className={cn("inline-flex rounded-full px-2 py-0.5 text-xs font-medium", item.soft)}>{item.label}</span>
+          <span className={cn("mt-2 block truncate font-semibold tabular-nums text-[#111827] dark:text-white", large ? "text-2xl" : compact ? "text-base" : "text-lg")}>
+            {fmtNumber(totalFor(item.key))}
+          </span>
+          {(large || compact) && <span className="mt-1 block truncate text-[11px] text-[#8B6B6B] dark:text-[#D8B8B8]">{item.description}</span>}
+        </button>
+      ))}
+    </div>
+  );
+
+  const analysisDialog = (title: string, description: ReactNode) => (
+    <Dialog>
+      <DialogTrigger asChild>
+        <Button variant="outline" size="sm" className={compact ? "h-8" : undefined}>
+          <Maximize2 className="mr-1 size-4" />
+          {compact ? "放大" : "放大分析"}
+        </Button>
+      </DialogTrigger>
+      <DialogContent className="flex h-[92vh] w-[96vw] max-w-none flex-col gap-4 overflow-hidden p-5 sm:max-w-none">
+        <DialogHeader className="shrink-0 pr-10">
+          <DialogTitle>{title}</DialogTitle>
+          <DialogDescription>{description}</DialogDescription>
+        </DialogHeader>
+        <div className="shrink-0">{metricCards({ includeAll: true, large: true })}</div>
+        <div className="grid min-h-0 flex-1 gap-3 lg:grid-cols-[260px_minmax(0,1fr)]">
+          <div className="rounded-lg border border-[#F1D6D6] bg-white p-4 dark:border-[#462123] dark:bg-[#230D0F]">
+            <div className="text-xs text-[#7A5A5A] dark:text-[#D8B8B8]">当前查看</div>
+            <div className="mt-2 text-2xl font-semibold text-[#111827] dark:text-white">{metric === "all" ? "全部指标" : activeSeries.label}</div>
+            <div className="mt-5 text-xs text-[#7A5A5A] dark:text-[#D8B8B8]">最新 {metric === "all" ? "运行" : activeSeries.label}</div>
+            <div className="mt-2 text-4xl font-semibold tabular-nums text-[#111827] dark:text-white">{fmtNumber(latestValue)}</div>
+            <div className={cn("mt-3 text-sm", delta >= 0 ? "text-[#C1121F]" : "text-[#7F1D1D] dark:text-[#FCA5A5]")}>
+              较上一日 {delta >= 0 ? "+" : ""}{fmtNumber(delta)}
+            </div>
+            <div className="mt-5 text-xs text-[#7A5A5A] dark:text-[#D8B8B8]">
+              峰值 {peak.date} / {fmtNumber(Number(peak[activeMetric] ?? 0))}
+            </div>
+          </div>
+          {chart(true)}
+        </div>
+      </DialogContent>
+    </Dialog>
+  );
+
   const chart = (large = false) => (
-    <div className={cn("min-w-0 overflow-hidden rounded-xl border border-[#E5E7EB] bg-[#F9FAFB] p-3 dark:border-[#3F3F46] dark:bg-[#18181B]", large && "p-5")}>
-      <svg viewBox={`0 0 ${width} ${height}`} className={cn("w-full", large ? "h-[520px]" : compact ? "h-56" : "h-72")} role="img" aria-label="使用趋势折线图">
+    <div className={cn("min-w-0 overflow-hidden rounded-xl border border-[#E5E7EB] bg-[#F9FAFB] p-3 dark:border-[#3F3F46] dark:bg-[#18181B]", large && "flex min-h-0 p-5")}>
+      <svg viewBox={`0 0 ${width} ${height}`} className={cn("w-full", large ? "h-full min-h-[420px]" : compact ? "h-56" : "h-72")} role="img" aria-label="使用趋势折线图">
         <defs>
           <linearGradient id={`trend-area-${chartId}-${activeMetric}`} x1="0" x2="0" y1="0" y2="1">
             <stop offset="0%" stopColor={activeSeries.color} stopOpacity="0.22" />
@@ -598,47 +676,13 @@ function TrendBars({ points, compact = false }: { points: AdminLeaderboardTrendP
   if (compact) {
     return (
       <div className="min-w-0 space-y-3">
-        <div className="grid gap-2 sm:grid-cols-4">
-          {series.map((item) => (
-            <button
-              key={item.key}
-              type="button"
-              onClick={() => setMetric(item.key)}
-              className={cn(
-                "min-w-0 rounded-lg border px-3 py-2 text-left transition hover:border-[#C1121F]",
-                metric === item.key
-                  ? "border-[#C1121F] bg-[#FFF1F1] dark:bg-[#3A1215]"
-                  : "border-[#F1D6D6] bg-white dark:border-[#462123] dark:bg-[#230D0F]",
-              )}
-              title={item.description}
-            >
-              <span className={cn("inline-flex rounded-full px-2 py-0.5 text-xs font-medium", item.soft)}>{item.label}</span>
-              <span className="mt-2 block truncate text-base font-semibold tabular-nums text-[#231815] dark:text-white">
-                {fmtNumber(totalFor(item.key))}
-              </span>
-              <span className="mt-1 block truncate text-[11px] text-[#8B6B6B] dark:text-[#D8B8B8]">{item.description}</span>
-            </button>
-          ))}
-        </div>
+        {metricCards({ includeAll: false })}
         <div className="flex flex-wrap items-center justify-between gap-2 text-xs text-[#7A5A5A] dark:text-[#D8B8B8]">
           <span>每个点代表 1 天；当前显示 {metric === "all" ? "全部指标" : activeSeries.label}，覆盖 {activeDays} 个活跃日。</span>
-          <Dialog>
-            <DialogTrigger asChild>
-              <Button variant="outline" size="sm" className="h-8">
-                <Maximize2 className="mr-1 size-4" />
-                放大
-              </Button>
-            </DialogTrigger>
-            <DialogContent className="max-w-[min(1180px,calc(100vw-2rem))]">
-              <DialogHeader>
-                <DialogTitle>个人使用趋势</DialogTitle>
-                <DialogDescription>
-                  每个折线点代表一天。运行=发起次数，问答=有效提问，活跃=有行为的用户数，Token=模型输入输出消耗。
-                </DialogDescription>
-              </DialogHeader>
-              {chart(true)}
-            </DialogContent>
-          </Dialog>
+          {analysisDialog(
+            "个人使用趋势",
+            "每个折线点代表一天。运行=发起次数，问答=有效提问，活跃=有行为的用户数，Token=模型输入输出消耗。",
+          )}
         </div>
         {chart(false)}
       </div>
@@ -651,58 +695,11 @@ function TrendBars({ points, compact = false }: { points: AdminLeaderboardTrendP
         每个折线点代表一天；点击指标卡可单独查看运行、问答、活跃或 Token，全部趋势会同时展示四条多色折线。
       </p>
       <div className="flex flex-wrap items-center justify-between gap-3">
-        <div className="grid gap-2 sm:grid-cols-2 xl:grid-cols-5">
-          <button
-            type="button"
-            onClick={() => setMetric("all")}
-            className={cn(
-              "rounded-lg border px-3 py-2 text-left transition hover:-translate-y-0.5 hover:shadow-sm",
-              metric === "all"
-                ? "border-[#C1121F] bg-[#FFF1F1] shadow-sm dark:border-[#F2B8BB]/40 dark:bg-[#3A1215]"
-                : "border-[#F1D6D6] bg-white dark:border-[#462123] dark:bg-[#230D0F]",
-            )}
-          >
-            <span className="inline-flex rounded-full bg-[#FFF1F1] px-2 py-0.5 text-xs font-medium text-[#C1121F]">全部趋势</span>
-            <span className="mt-2 block text-lg font-semibold tabular-nums text-[#231815] dark:text-white">
-              {fmtNumber(visible.reduce((sum, point) => sum + point.runs + point.questions + point.users, 0))}
-            </span>
-          </button>
-          {series.map((item) => (
-            <button
-              key={item.key}
-              type="button"
-              onClick={() => setMetric(item.key)}
-              className={cn(
-                "rounded-lg border px-3 py-2 text-left transition hover:-translate-y-0.5 hover:shadow-sm",
-                metric === item.key
-                  ? "border-[#C1121F] bg-[#FFF1F1] shadow-sm dark:border-[#F2B8BB]/40 dark:bg-[#3A1215]"
-                  : "border-[#F1D6D6] bg-white dark:border-[#462123] dark:bg-[#230D0F]",
-              )}
-            >
-              <span className={cn("inline-flex rounded-full px-2 py-0.5 text-xs font-medium", item.soft)}>{item.label}</span>
-              <span className="mt-2 block text-lg font-semibold tabular-nums text-[#111827] dark:text-white">
-                {fmtNumber(visible.reduce((sum, point) => sum + Number(point[item.key] ?? 0), 0))}
-              </span>
-            </button>
-          ))}
-        </div>
-        <Dialog>
-          <DialogTrigger asChild>
-            <Button variant="outline" size="sm">
-              <Maximize2 className="mr-1 size-4" />
-              放大分析
-            </Button>
-          </DialogTrigger>
-          <DialogContent className="max-w-[min(1180px,calc(100vw-2rem))]">
-            <DialogHeader>
-              <DialogTitle>时间趋势分析</DialogTitle>
-              <DialogDescription>
-                当前查看 {metric === "all" ? "全部指标" : activeSeries.label}，峰值 {peak.date} / {fmtNumber(Number(peak[activeMetric] ?? 0))}。
-              </DialogDescription>
-            </DialogHeader>
-            {chart(true)}
-          </DialogContent>
-        </Dialog>
+        <div className="min-w-0 flex-1">{metricCards()}</div>
+        {analysisDialog(
+          "时间趋势分析",
+          <>当前查看 {metric === "all" ? "全部指标" : activeSeries.label}，峰值 {peak.date} / {fmtNumber(Number(peak[activeMetric] ?? 0))}。</>,
+        )}
       </div>
       <div className="grid gap-3 lg:grid-cols-[220px_minmax(0,1fr)]">
         <div className="rounded-xl border border-[#F1D6D6] bg-white p-4 dark:border-[#462123] dark:bg-[#230D0F]">
@@ -1260,14 +1257,14 @@ export default function AdminUserLeaderboardPage() {
                     AI 报告
                   </Button>
                 </DialogTrigger>
-                <DialogContent className="max-w-[min(920px,calc(100vw-2rem))]">
-                  <DialogHeader>
+                <DialogContent className="flex h-[92vh] w-[96vw] max-w-none flex-col gap-0 overflow-hidden p-0 sm:max-w-none">
+                  <DialogHeader className="shrink-0 border-b border-[#F1D6D6] px-6 py-5 pr-12 dark:border-[#462123]">
                     <DialogTitle>AI 榜单分析报告</DialogTitle>
                     <DialogDescription>
                       基于当前时间段的问答、用户、技能、模型和趋势统计生成运营分析。
                     </DialogDescription>
                   </DialogHeader>
-                  <div className="flex flex-wrap items-center justify-between gap-3 rounded-lg border border-[#F1D6D6] bg-white p-3 dark:border-[#462123] dark:bg-[#230D0F]">
+                  <div className="mx-6 mt-4 flex shrink-0 flex-wrap items-center justify-between gap-3 rounded-lg border border-[#F1D6D6] bg-white p-3 dark:border-[#462123] dark:bg-[#230D0F]">
                     <div className="flex min-w-0 flex-wrap items-center gap-2">
                       <Select value={reportModelName} onValueChange={setReportModelName} disabled={reportGenerating || reportModelsLoading}>
                         <SelectTrigger className="h-9 w-[260px] border-[#F1D6D6] bg-white dark:border-[#462123] dark:bg-[#19090A]">
@@ -1292,7 +1289,7 @@ export default function AdminUserLeaderboardPage() {
                     </Button>
                   </div>
                   {data && (
-                    <div className="grid gap-3 md:grid-cols-3">
+                    <div className="mx-6 mt-4 grid shrink-0 gap-3 md:grid-cols-3">
                       <section className="rounded-lg border border-[#F1D6D6] bg-white p-3 dark:border-[#462123] dark:bg-[#230D0F]">
                         <div className="mb-2 flex items-center gap-2 text-sm font-semibold text-[#231815] dark:text-white">
                           <MessageSquareText className="size-4 text-[#C1121F]" />
@@ -1339,7 +1336,7 @@ export default function AdminUserLeaderboardPage() {
                       </section>
                     </div>
                   )}
-                  <ScrollArea className="max-h-[70vh] rounded-lg border border-[#F1D6D6] bg-[#FFF7F7] p-4 dark:border-[#462123] dark:bg-[#19090A]">
+                  <ScrollArea className="mx-6 mt-4 min-h-0 flex-1 rounded-lg border border-[#F1D6D6] bg-[#FFF7F7] p-5 dark:border-[#462123] dark:bg-[#19090A]">
                     {reportStatus === "idle" && !reportText && (
                       <div className="flex items-center justify-center py-12 text-sm text-[#7A5A5A] dark:text-[#D8B8B8]">
                         选择模型后点击生成；同一时间段、同一模型和同一统计设置会直接读取已保存报告。
@@ -1357,13 +1354,13 @@ export default function AdminUserLeaderboardPage() {
                       </div>
                     )}
                     {reportText && (
-                      <div className="rounded-lg bg-white px-5 py-4 text-sm leading-7 text-[#231815] shadow-sm dark:bg-[#230D0F] dark:text-white [&_blockquote]:border-l-4 [&_blockquote]:border-[#C1121F] [&_blockquote]:bg-[#FFF7F7] [&_blockquote]:px-3 [&_blockquote]:py-2 [&_code]:rounded [&_code]:bg-[#FFF1F1] [&_code]:px-1 [&_h1]:mb-4 [&_h1]:text-xl [&_h1]:font-semibold [&_h2]:mb-3 [&_h2]:mt-5 [&_h2]:border-b [&_h2]:border-[#F1D6D6] [&_h2]:pb-2 [&_h2]:text-lg [&_h2]:font-semibold [&_h3]:mb-2 [&_h3]:mt-4 [&_h3]:font-semibold [&_li]:my-1 [&_ol]:pl-5 [&_p]:my-2 [&_strong]:text-[#C1121F] [&_table]:my-3 [&_table]:w-full [&_table]:border-collapse [&_td]:border [&_td]:border-[#F1D6D6] [&_td]:p-2 [&_th]:border [&_th]:border-[#F1D6D6] [&_th]:bg-[#FFF1F1] [&_th]:p-2 [&_ul]:pl-5 dark:[&_blockquote]:bg-[#19090A] dark:[&_code]:bg-[#19090A] dark:[&_strong]:text-[#F2B8BB] dark:[&_th]:bg-[#19090A]">
+                      <div className="rounded-lg bg-white px-8 py-6 text-base leading-8 text-[#231815] shadow-sm dark:bg-[#230D0F] dark:text-white [&_blockquote]:border-l-4 [&_blockquote]:border-[#C1121F] [&_blockquote]:bg-[#FFF7F7] [&_blockquote]:px-4 [&_blockquote]:py-3 [&_code]:rounded [&_code]:bg-[#FFF1F1] [&_code]:px-1.5 [&_h1]:mb-5 [&_h1]:text-2xl [&_h1]:font-semibold [&_h2]:mb-4 [&_h2]:mt-7 [&_h2]:border-b [&_h2]:border-[#F1D6D6] [&_h2]:pb-3 [&_h2]:text-xl [&_h2]:font-semibold [&_h3]:mb-3 [&_h3]:mt-5 [&_h3]:text-lg [&_h3]:font-semibold [&_li]:my-1.5 [&_ol]:pl-6 [&_p]:my-3 [&_strong]:text-[#C1121F] [&_table]:my-4 [&_table]:w-full [&_table]:border-collapse [&_td]:border [&_td]:border-[#F1D6D6] [&_td]:p-3 [&_th]:border [&_th]:border-[#F1D6D6] [&_th]:bg-[#FFF1F1] [&_th]:p-3 [&_ul]:pl-6 dark:[&_blockquote]:bg-[#19090A] dark:[&_code]:bg-[#19090A] dark:[&_strong]:text-[#F2B8BB] dark:[&_th]:bg-[#19090A]">
                         <MarkdownContent content={reportText} isLoading={reportGenerating} rehypePlugins={[]} />
                       </div>
                     )}
                   </ScrollArea>
                   {reportText && (
-                    <div className="flex justify-end">
+                    <div className="mt-4 flex shrink-0 justify-end border-t border-[#F1D6D6] px-6 py-4 dark:border-[#462123]">
                       <Button
                         variant="outline"
                         onClick={exportReportAsWord}