diff --git a/frontend/src/components/EmptyState.tsx b/frontend/src/components/EmptyState.tsx
index 3132e905..1355491d 100644
--- a/frontend/src/components/EmptyState.tsx
+++ b/frontend/src/components/EmptyState.tsx
@@ -12,7 +12,7 @@ export function EmptyState({ icon: Icon = Construction, title, hint }: Props) {
     <div className="h-full grid place-items-center px-8 py-16">
       <div className="text-center max-w-md">
         <Icon className="mx-auto h-10 w-10 text-muted" strokeWidth={1.5} />
-        <h2 className="mt-4 text-base font-medium text-foreground">{title}</h2>
+        <h2 className="mt-4 text-[16px] leading-6 font-medium text-foreground">{title}</h2>
         {hint && <p className="mt-2 text-sm text-secondary leading-relaxed">{hint}</p>}
       </div>
     </div>
diff --git a/frontend/src/components/ExtDimensionAnalysis.tsx b/frontend/src/components/ExtDimensionAnalysis.tsx
index 7d5de5e6..57463d25 100644
--- a/frontend/src/components/ExtDimensionAnalysis.tsx
+++ b/frontend/src/components/ExtDimensionAnalysis.tsx
@@ -385,7 +385,7 @@ export function ExtDimensionAnalysis({
                 <div className="px-5 py-4 border-b border-border flex items-center justify-between gap-4">
                   <div>
                     <div className="flex items-center gap-2">
-                      <h3 className="text-base font-semibold text-foreground">{menu?.template === 'table' || menu?.template === 'ranking' ? '明细列表' : currentGroup?.key ?? `选择${activeKindLabel}`}</h3>
+                      <h3 className="text-[16px] leading-6 font-semibold text-foreground">{menu?.template === 'table' || menu?.template === 'ranking' ? '明细列表' : currentGroup?.key ?? `选择${activeKindLabel}`}</h3>
                       <span className="rounded-full bg-accent/10 px-2 py-0.5 text-[10px] text-accent">{tableRows.length} 条</span>
                     </div>
                     <p className="mt-1 text-xs text-muted">列来自菜单 detail_columns：{displayColumns.map(f => f.label || f.field).join(' / ') || '暂无字段'}</p>
diff --git a/frontend/src/components/StockIntradayChart.tsx b/frontend/src/components/StockIntradayChart.tsx
index 98a481cc..b06ed4d6 100644
--- a/frontend/src/components/StockIntradayChart.tsx
+++ b/frontend/src/components/StockIntradayChart.tsx
@@ -98,7 +98,7 @@ export function StockIntradayChart({
               <div className="text-xs text-muted">暂无分钟数据</div>
               <button
                 onClick={() => setMinuteDismissed(false)}
-                className="px-4 py-1.5 rounded-btn bg-accent/90 text-base text-xs font-medium hover:bg-accent transition-colors duration-150"
+                className="px-4 py-1.5 rounded-btn bg-accent/90 text-white text-xs font-medium hover:bg-accent transition-colors duration-150"
               >
                 获取分钟K
               </button>
@@ -109,7 +109,7 @@ export function StockIntradayChart({
               <div className="flex items-center gap-3">
                 <button
                   onClick={() => fetchMinute.mutate()}
-                  className="px-4 py-1.5 rounded-btn bg-accent/90 text-base text-xs font-medium hover:bg-accent transition-colors duration-150"
+                  className="px-4 py-1.5 rounded-btn bg-accent/90 text-white text-xs font-medium hover:bg-accent transition-colors duration-150"
                 >
                   确定
                 </button>
diff --git a/frontend/src/components/analysis-shared.tsx b/frontend/src/components/analysis-shared.tsx
index 94507fed..7f41351a 100644
--- a/frontend/src/components/analysis-shared.tsx
+++ b/frontend/src/components/analysis-shared.tsx
@@ -479,7 +479,7 @@ export function PresetFetchState({
     <div className="h-full grid place-items-center px-8 py-16">
       <div className="text-center max-w-md">
         <DownloadCloud className="mx-auto h-10 w-10 text-muted" strokeWidth={1.5} />
-        <h2 className="mt-4 text-base font-medium text-foreground">{title}</h2>
+        <h2 className="mt-4 text-[16px] leading-6 font-medium text-foreground">{title}</h2>
         <p className="mt-2 text-sm text-secondary leading-relaxed">{hint}</p>
         <button
           onClick={onFetch}
diff --git a/frontend/src/components/data/ActiveJobCard.tsx b/frontend/src/components/data/ActiveJobCard.tsx
index 72e2527a..b4fc99e6 100644
--- a/frontend/src/components/data/ActiveJobCard.tsx
+++ b/frontend/src/components/data/ActiveJobCard.tsx
@@ -86,7 +86,7 @@ export function ActiveJobCard({ job }: { job: PipelineJob }) {
         </div>
         {!isDone && (
           <div className="font-mono text-2xl font-bold tracking-tight">
-            {job.progress}<span className="text-base text-muted">%</span>
+            {job.progress}<span className="text-[16px] leading-6 text-muted">%</span>
           </div>
         )}
       </div>
diff --git a/frontend/src/components/data/EnrichedRebuildPanel.tsx b/frontend/src/components/data/EnrichedRebuildPanel.tsx
index f188db06..cb61cbf2 100644
--- a/frontend/src/components/data/EnrichedRebuildPanel.tsx
+++ b/frontend/src/components/data/EnrichedRebuildPanel.tsx
@@ -126,7 +126,7 @@ export function EnrichedRebuildPanel({
         <button
           onClick={() => rebuild.mutate()}
           disabled={!canRebuild || isRunning || rebuild.isPending}
-          className="w-full inline-flex items-center justify-center gap-1.5 px-3 py-1.5 rounded-btn bg-accent/90 text-base text-xs font-medium hover:bg-accent disabled:opacity-40 disabled:pointer-events-none transition-colors duration-150"
+          className="w-full inline-flex items-center justify-center gap-1.5 px-3 py-1.5 rounded-btn bg-accent/90 text-white text-xs font-medium hover:bg-accent disabled:opacity-40 disabled:pointer-events-none transition-colors duration-150"
         >
           {rebuild.isPending ? (
             <><Loader2 className="h-3 w-3 animate-spin" />计算中…</>
diff --git a/frontend/src/components/data/ExtendHistoryPanel.tsx b/frontend/src/components/data/ExtendHistoryPanel.tsx
index a5e24c02..27fc8251 100644
--- a/frontend/src/components/data/ExtendHistoryPanel.tsx
+++ b/frontend/src/components/data/ExtendHistoryPanel.tsx
@@ -78,7 +78,7 @@ export function ExtendHistoryPanel({ hasCap, isRunning, earliestDate, onStart }:
       <button
         onClick={() => extend.mutate()}
         disabled={!hasBatchCap || isRunning || extend.isPending || !earliestDate}
-        className="w-full inline-flex items-center justify-center gap-1.5 px-3 py-1.5 rounded-btn bg-accent/90 text-base text-xs font-medium hover:bg-accent disabled:opacity-40 disabled:pointer-events-none transition-colors duration-150"
+        className="w-full inline-flex items-center justify-center gap-1.5 px-3 py-1.5 rounded-btn bg-accent/90 text-white text-xs font-medium hover:bg-accent disabled:opacity-40 disabled:pointer-events-none transition-colors duration-150"
       >
         {extend.isPending ? (
           <>
diff --git a/frontend/src/components/data/RepairDailyPanel.tsx b/frontend/src/components/data/RepairDailyPanel.tsx
index f07c74e0..7aad3476 100644
--- a/frontend/src/components/data/RepairDailyPanel.tsx
+++ b/frontend/src/components/data/RepairDailyPanel.tsx
@@ -87,7 +87,7 @@ export function RepairDailyPanel({ hasCap, isRunning, latestDate, onStart }: {
       <button
         onClick={() => repair.mutate()}
         disabled={!canSubmit}
-        className="w-full inline-flex items-center justify-center gap-1.5 px-3 py-1.5 rounded-btn bg-accent/90 text-base text-xs font-medium hover:bg-accent disabled:opacity-40 disabled:pointer-events-none transition-colors duration-150"
+        className="w-full inline-flex items-center justify-center gap-1.5 px-3 py-1.5 rounded-btn bg-accent/90 text-white text-xs font-medium hover:bg-accent disabled:opacity-40 disabled:pointer-events-none transition-colors duration-150"
       >
         {repair.isPending ? (
           <>
diff --git a/frontend/src/components/ext-data/CreateExtDialog.tsx b/frontend/src/components/ext-data/CreateExtDialog.tsx
index 84685b9d..9ba9e435 100644
--- a/frontend/src/components/ext-data/CreateExtDialog.tsx
+++ b/frontend/src/components/ext-data/CreateExtDialog.tsx
@@ -324,7 +324,7 @@ export function CreateExtDialog({ onClose }: { onClose: () => void }) {
         <div className="px-6 pt-5 pb-4">
           <div className="flex items-center justify-between">
             <div>
-              <h3 className="text-base font-semibold text-foreground">新增扩展数据</h3>
+              <h3 className="text-[16px] leading-6 font-semibold text-foreground">新增扩展数据</h3>
               <p className="text-[11px] mt-1 inline-flex items-center gap-1 bg-amber-500/10 text-amber-400 px-2 py-0.5 rounded-md font-medium">
                 接入自有数据，与标的自动关联（第三方接口或 CSV/Excel），支持概念、人气、资金流、舆情、研报评分标签等场景
               </p>
@@ -452,7 +452,7 @@ export function CreateExtDialog({ onClose }: { onClose: () => void }) {
                 <button
                   onClick={handleDetectUrl}
                   disabled={detecting || !url.trim()}
-                  className="h-8 inline-flex items-center gap-1.5 rounded-lg bg-accent px-3 text-xs font-medium text-base hover:bg-accent/90 disabled:opacity-40 transition-colors"
+                  className="h-8 inline-flex items-center gap-1.5 rounded-lg bg-accent px-3 text-xs font-medium text-white hover:bg-accent/90 disabled:opacity-40 transition-colors"
                 >
                   {detecting ? <Loader2 className="h-3.5 w-3.5 animate-spin" /> : <RefreshCw className="h-3.5 w-3.5" />}
                   测试识别
@@ -656,7 +656,7 @@ export function CreateExtDialog({ onClose }: { onClose: () => void }) {
                 <div className="text-[11px] text-muted">手动添加字段后即可创建空表结构</div>
                 <button
                   onClick={addField}
-                  className="inline-flex items-center gap-1 rounded-lg bg-accent px-3 py-1.5 text-xs font-medium text-base hover:bg-accent/90 transition-colors"
+                  className="inline-flex items-center gap-1 rounded-lg bg-accent px-3 py-1.5 text-xs font-medium text-white hover:bg-accent/90 transition-colors"
                 >
                   <Plus className="h-3.5 w-3.5" />
                   添加字段
@@ -788,7 +788,7 @@ export function CreateExtDialog({ onClose }: { onClose: () => void }) {
             <button
               onClick={() => create.mutate()}
               disabled={!valid || create.isPending}
-              className="px-5 py-2 rounded-lg bg-accent text-base text-xs font-medium hover:bg-accent/90 disabled:opacity-40 transition-colors shadow-sm shadow-accent/20"
+              className="px-5 py-2 rounded-lg bg-accent text-white text-xs font-medium hover:bg-accent/90 disabled:opacity-40 transition-colors shadow-sm shadow-accent/20"
             >
               {create.isPending ? '创建中…' : '创建'}
             </button>
diff --git a/frontend/src/components/ext-data/EditExtDialog.tsx b/frontend/src/components/ext-data/EditExtDialog.tsx
index 0a409054..f83541e8 100644
--- a/frontend/src/components/ext-data/EditExtDialog.tsx
+++ b/frontend/src/components/ext-data/EditExtDialog.tsx
@@ -243,7 +243,7 @@ export function EditExtDialog({ config, onClose }: { config: ExtDataConfig; onCl
           <button
             onClick={() => update.mutate()}
             disabled={!valid || update.isPending}
-            className="px-4 py-1.5 rounded-btn bg-accent/90 text-base text-xs font-medium hover:bg-accent disabled:opacity-40 transition-colors"
+            className="px-4 py-1.5 rounded-btn bg-accent/90 text-white text-xs font-medium hover:bg-accent disabled:opacity-40 transition-colors"
           >
             {update.isPending ? '保存中…' : '保存'}
           </button>
diff --git a/frontend/src/components/ext-data/ExtDataPullPanel.tsx b/frontend/src/components/ext-data/ExtDataPullPanel.tsx
index e3d89776..1cd78567 100644
--- a/frontend/src/components/ext-data/ExtDataPullPanel.tsx
+++ b/frontend/src/components/ext-data/ExtDataPullPanel.tsx
@@ -475,7 +475,7 @@ export function ExtDataPullPanel({ config, onSaved }: {
           <button
             onClick={handleRun}
             disabled={running || !url}
-            className="inline-flex items-center justify-center gap-1 px-2 py-2 rounded-btn bg-accent/90 text-base text-xs font-medium hover:bg-accent disabled:opacity-40 transition-colors"
+            className="inline-flex items-center justify-center gap-1 px-2 py-2 rounded-btn bg-accent/90 text-white text-xs font-medium hover:bg-accent disabled:opacity-40 transition-colors"
           >
             {running ? <Loader2 className="h-3.5 w-3.5 animate-spin" /> : <Zap className="h-3.5 w-3.5" />}
             立即执行
@@ -484,7 +484,7 @@ export function ExtDataPullPanel({ config, onSaved }: {
         <button
           onClick={() => handleSave(false)}
           disabled={saving || !url}
-          className="w-full inline-flex items-center justify-center gap-1 py-2 rounded-btn bg-accent/90 text-base text-xs font-medium hover:bg-accent disabled:opacity-40 transition-colors"
+          className="w-full inline-flex items-center justify-center gap-1 py-2 rounded-btn bg-accent/90 text-white text-xs font-medium hover:bg-accent disabled:opacity-40 transition-colors"
         >
           {saving ? <Loader2 className="h-3.5 w-3.5 animate-spin" /> : <Check className="h-3.5 w-3.5" />}
           保存配置
@@ -513,7 +513,7 @@ export function ExtDataPullPanel({ config, onSaved }: {
               onClick={handleBackfill}
               disabled={bfRunning || !dateParam.trim() || !bfStart || !bfEnd}
               title="按本地交易日逐日拉取写入历史分区; 已有分区自动跳过, 可重复执行"
-              className="shrink-0 inline-flex items-center gap-1 px-2.5 py-1.5 rounded-btn bg-accent/90 text-base text-[10px] font-medium hover:bg-accent disabled:opacity-40 transition-colors"
+              className="shrink-0 inline-flex items-center gap-1 px-2.5 py-1.5 rounded-btn bg-accent/90 text-white text-[10px] font-medium hover:bg-accent disabled:opacity-40 transition-colors"
             >
               {bfRunning ? <Loader2 className="h-3 w-3 animate-spin" /> : <History className="h-3 w-3" />}
               回补
diff --git a/frontend/src/components/ext-data/ExtDataStatCard.tsx b/frontend/src/components/ext-data/ExtDataStatCard.tsx
index 43cabb0c..fe77d754 100644
--- a/frontend/src/components/ext-data/ExtDataStatCard.tsx
+++ b/frontend/src/components/ext-data/ExtDataStatCard.tsx
@@ -301,7 +301,7 @@ export function ExtDataStatCard({ config, onDelete, deleting, onEdit }: {
                 <button
                   onClick={() => { onDelete(); setShowDelete(false) }}
                   disabled={deleting}
-                  className="px-3 py-1.5 rounded-btn bg-danger/90 text-base text-sm font-medium hover:bg-danger disabled:opacity-50 transition-colors"
+                  className="px-3 py-1.5 rounded-btn bg-danger/90 text-white text-sm font-medium hover:bg-danger disabled:opacity-50 transition-colors"
                 >
                   {deleting ? '删除中…' : '确认删除'}
                 </button>
diff --git a/frontend/src/components/financials/MarkdownRenderer.tsx b/frontend/src/components/financials/MarkdownRenderer.tsx
index 1d880766..f2e8825c 100644
--- a/frontend/src/components/financials/MarkdownRenderer.tsx
+++ b/frontend/src/components/financials/MarkdownRenderer.tsx
@@ -137,7 +137,7 @@ export function MarkdownRenderer({ content }: { content: string }) {
     if (hMatch) {
       const level = hMatch[1].length
       const text = hMatch[2]
-      const sizeCls = level === 1 ? 'text-base' : level === 2 ? 'text-sm' : 'text-xs'
+      const sizeCls = level === 1 ? 'text-[16px] leading-6' : level === 2 ? 'text-sm' : 'text-xs'
       const mtCls = level <= 2 ? 'mt-6' : 'mt-5'
       blocks.push(
         <div key={key++} className={`${sizeCls} ${mtCls} mb-3 font-semibold text-foreground flex items-center gap-1.5`}>
diff --git a/frontend/src/components/monitor/RuleEditor.tsx b/frontend/src/components/monitor/RuleEditor.tsx
index 9a3e609c..620cc562 100644
--- a/frontend/src/components/monitor/RuleEditor.tsx
+++ b/frontend/src/components/monitor/RuleEditor.tsx
@@ -544,7 +544,7 @@ export function RuleEditor({ rule, preset, simple, onClose, onSaved }: Props) {
 
         <div className="flex justify-end gap-2">
           <button onClick={onClose} className="px-4 py-1.5 rounded-btn bg-elevated text-secondary text-xs cursor-pointer">取消</button>
-          <button onClick={() => save.mutate()} disabled={save.isPending} className="inline-flex items-center gap-1.5 px-4 py-1.5 rounded-btn bg-accent text-base text-xs font-medium disabled:opacity-50 cursor-pointer">
+          <button onClick={() => save.mutate()} disabled={save.isPending} className="inline-flex items-center gap-1.5 px-4 py-1.5 rounded-btn bg-accent text-white text-xs font-medium disabled:opacity-50 cursor-pointer">
             <Save className="h-3.5 w-3.5" />加入监控
           </button>
         </div>
@@ -1615,7 +1615,7 @@ export function RuleEditor({ rule, preset, simple, onClose, onSaved }: Props) {
 
       <div className="flex justify-end gap-2">
         <button onClick={onClose} className="px-4 py-1.5 rounded-btn bg-elevated text-secondary text-xs cursor-pointer">取消</button>
-        <button onClick={() => save.mutate()} disabled={save.isPending} className="inline-flex items-center gap-1.5 px-4 py-1.5 rounded-btn bg-accent text-base text-xs font-medium disabled:opacity-50 cursor-pointer">
+        <button onClick={() => save.mutate()} disabled={save.isPending} className="inline-flex items-center gap-1.5 px-4 py-1.5 rounded-btn bg-accent text-white text-xs font-medium disabled:opacity-50 cursor-pointer">
           <Save className="h-3.5 w-3.5" />保存
         </button>
       </div>
diff --git a/frontend/src/components/screener/StrategyStoreDialog.tsx b/frontend/src/components/screener/StrategyStoreDialog.tsx
index dc715dc9..8839c142 100644
--- a/frontend/src/components/screener/StrategyStoreDialog.tsx
+++ b/frontend/src/components/screener/StrategyStoreDialog.tsx
@@ -50,7 +50,7 @@ export function StrategyStoreDialog({ open, onClose }: Props) {
                 </div>
               </div>
 
-              <h3 className="text-base font-semibold text-foreground mb-1.5">
+              <h3 className="text-[16px] leading-6 font-semibold text-foreground mb-1.5">
                 不定时更新更多策略
               </h3>
               <p className="text-sm text-muted leading-relaxed max-w-[380px]">
diff --git a/frontend/src/components/signals/CustomSignalDialog.tsx b/frontend/src/components/signals/CustomSignalDialog.tsx
index 9a052f5e..fb509aa3 100644
--- a/frontend/src/components/signals/CustomSignalDialog.tsx
+++ b/frontend/src/components/signals/CustomSignalDialog.tsx
@@ -254,7 +254,7 @@ export function CustomSignalDialog({ open, signal, defaultKind = 'exit', onClose
                           <button
                             onClick={generateByAI}
                             disabled={aiLoading}
-                            className="inline-flex items-center gap-1.5 px-3 py-1.5 rounded-btn bg-amber-500/90 text-base text-xs font-medium disabled:opacity-50 cursor-pointer"
+                            className="inline-flex items-center gap-1.5 px-3 py-1.5 rounded-btn bg-amber-500/90 text-white text-xs font-medium disabled:opacity-50 cursor-pointer"
                           >
                             {aiLoading ? <Loader2 className="h-3.5 w-3.5 animate-spin" /> : <Sparkles className="h-3.5 w-3.5" />}
                             {aiLoading ? '生成中…' : '生成条件'}
@@ -274,7 +274,7 @@ export function CustomSignalDialog({ open, signal, defaultKind = 'exit', onClose
 
             <div className="flex justify-end gap-2 border-t border-border/50 px-5 py-4">
               <button onClick={onClose} className="px-4 py-1.5 rounded-btn bg-elevated text-secondary text-xs">取消</button>
-              <button onClick={() => save.mutate()} disabled={save.isPending} className="inline-flex items-center gap-1.5 px-4 py-1.5 rounded-btn bg-amber-500/90 text-base text-xs font-medium disabled:opacity-50">
+              <button onClick={() => save.mutate()} disabled={save.isPending} className="inline-flex items-center gap-1.5 px-4 py-1.5 rounded-btn bg-amber-500/90 text-white text-xs font-medium disabled:opacity-50">
                 <Save className="h-3.5 w-3.5" />保存
               </button>
             </div>
diff --git a/frontend/src/pages/AbnormalMoves.tsx b/frontend/src/pages/AbnormalMoves.tsx
index 94a87c66..aacb20de 100644
--- a/frontend/src/pages/AbnormalMoves.tsx
+++ b/frontend/src/pages/AbnormalMoves.tsx
@@ -189,7 +189,7 @@ function AuctionView({ onOpenStock }: {
           </p>
           <Link
             to="/settings?tab=data-sources"
-            className="mt-5 inline-flex h-9 items-center gap-2 rounded-btn bg-accent px-4 text-xs font-medium text-base transition-colors hover:bg-accent/90"
+            className="mt-5 inline-flex h-9 items-center gap-2 rounded-btn bg-accent px-4 text-xs font-medium text-white transition-colors hover:bg-accent/90"
           >
             前往配置数据源
             <ChevronRight className="h-3.5 w-3.5" />
@@ -711,7 +711,7 @@ function DeviationView({ onPreview }: {
             <button
               type="button"
               onClick={() => toggleEnabled(true)}
-              className="mt-5 inline-flex h-9 items-center gap-2 rounded-btn bg-accent px-4 text-xs font-medium text-base"
+              className="mt-5 inline-flex h-9 items-center gap-2 rounded-btn bg-accent px-4 text-xs font-medium text-white"
             >
               <Power className="h-4 w-4" />
               开启监控
diff --git a/frontend/src/pages/Analysis.tsx b/frontend/src/pages/Analysis.tsx
index 2f226dce..ea3adb17 100644
--- a/frontend/src/pages/Analysis.tsx
+++ b/frontend/src/pages/Analysis.tsx
@@ -135,7 +135,7 @@ export function Analysis() {
         right={
           <button
             onClick={() => { resetForm(); setShowCreate(v => !v) }}
-            className="inline-flex items-center gap-1.5 px-3 py-1.5 rounded-btn bg-accent/90 text-base text-xs font-medium hover:bg-accent transition-colors"
+            className="inline-flex items-center gap-1.5 px-3 py-1.5 rounded-btn bg-accent/90 text-white text-xs font-medium hover:bg-accent transition-colors"
           >
             <Plus className="h-3.5 w-3.5" />
             新建菜单
@@ -230,7 +230,7 @@ export function Analysis() {
 
             <div className="flex justify-end gap-2">
               <button onClick={() => setShowCreate(false)} className="px-4 py-1.5 rounded-btn bg-elevated text-secondary text-xs">取消</button>
-              <button onClick={() => save.mutate()} disabled={save.isPending} className="inline-flex items-center gap-1.5 px-4 py-1.5 rounded-btn bg-accent/90 text-base text-xs font-medium disabled:opacity-50">
+              <button onClick={() => save.mutate()} disabled={save.isPending} className="inline-flex items-center gap-1.5 px-4 py-1.5 rounded-btn bg-accent/90 text-white text-xs font-medium disabled:opacity-50">
                 <Save className="h-3.5 w-3.5" />保存
               </button>
             </div>
diff --git a/frontend/src/pages/Branding.tsx b/frontend/src/pages/Branding.tsx
index 5487584b..ca8f12f2 100644
--- a/frontend/src/pages/Branding.tsx
+++ b/frontend/src/pages/Branding.tsx
@@ -35,7 +35,7 @@ const VARIANTS: Variant[] = [
     hint: '脉冲星、雷达波纹 — 青绿强调色,字重黑体,中等字距',
     icon: RadioTower,
     iconAccent: 'text-[#3DD68C]',
-    nameClass: 'font-sans font-black text-base tracking-[0.10em]',
+    nameClass: 'font-sans font-black text-[16px] leading-6 tracking-[0.10em]',
     glow: '#3DD68C',
   },
   {
@@ -45,7 +45,7 @@ const VARIANTS: Variant[] = [
     hint: 'Vantablack — 纯白单色,字重最重,字距最宽,monochrome 高级感',
     icon: Square,
     iconAccent: 'text-[#FAFAFA]',
-    nameClass: 'font-sans font-black text-base tracking-[0.18em]',
+    nameClass: 'font-sans font-black text-[16px] leading-6 tracking-[0.18em]',
     glow: '#FAFAFA',
   },
   {
@@ -55,7 +55,7 @@ const VARIANTS: Variant[] = [
     hint: 'DNA 螺旋 — 紫色强调,等宽字体,赛博朋克经典意象',
     icon: GitFork,
     iconAccent: 'text-[#8B5CF6]',
-    nameClass: 'font-mono font-bold text-base tracking-[0.08em]',
+    nameClass: 'font-mono font-bold text-[16px] leading-6 tracking-[0.08em]',
     glow: '#8B5CF6',
   },
   {
@@ -65,7 +65,7 @@ const VARIANTS: Variant[] = [
     hint: '极光 — 青色强调,细字优雅,适中字距,与涨跌语义色不冲突',
     icon: Sparkles,
     iconAccent: 'text-[#22D3EE]',
-    nameClass: 'font-sans font-light text-base tracking-[0.12em]',
+    nameClass: 'font-sans font-light text-[16px] leading-6 tracking-[0.12em]',
     glow: '#22D3EE',
   },
 ]
diff --git a/frontend/src/pages/Dashboard.tsx b/frontend/src/pages/Dashboard.tsx
index 23e04fb4..1d299368 100644
--- a/frontend/src/pages/Dashboard.tsx
+++ b/frontend/src/pages/Dashboard.tsx
@@ -718,7 +718,7 @@ export function Dashboard() {
       <div className="flex h-full items-center justify-center bg-base p-6">
         <div className="rounded-card border border-border bg-surface p-6 text-center">
           <div className="text-sm text-danger">看板加载失败</div>
-          <button onClick={() => overview.refetch()} className="mt-3 rounded-btn bg-accent px-3 py-1.5 text-xs font-medium text-base">重试</button>
+          <button onClick={() => overview.refetch()} className="mt-3 rounded-btn bg-accent px-3 py-1.5 text-xs font-medium text-white">重试</button>
         </div>
       </div>
     )
@@ -771,7 +771,7 @@ export function Dashboard() {
         <div className="pointer-events-none absolute left-0 top-0 h-full w-1 bg-gradient-to-b from-accent to-accent/20" aria-hidden />
         <div className="flex items-center gap-2">
           <Gauge className="h-4 w-4 text-accent" />
-          <h1 className="text-base font-semibold text-foreground">市场看板</h1>
+          <h1 className="text-[16px] leading-6 font-semibold text-foreground">市场看板</h1>
           <span
             className="rounded-full border px-2 py-0.5 text-[10px] font-medium"
             style={{
@@ -1064,7 +1064,7 @@ function WelcomeFetchModal({
         >
           <Sparkles className="h-7 w-7 text-accent" />
         </motion.div>
-        <h3 className="mt-4 text-base font-semibold text-foreground">首次使用,需先获取行情数据</h3>
+        <h3 className="mt-4 text-[16px] leading-6 font-semibold text-foreground">首次使用,需先获取行情数据</h3>
         <p className="mt-2 text-xs text-secondary leading-relaxed">
           {isTickflowProvider
             ? '可通过 TickFlow 免费服务器拉取近 1 年全 A 股日K'
diff --git a/frontend/src/pages/Data.tsx b/frontend/src/pages/Data.tsx
index 8961cad0..9e126b99 100644
--- a/frontend/src/pages/Data.tsx
+++ b/frontend/src/pages/Data.tsx
@@ -1149,7 +1149,7 @@ export function Data() {
                 <button
                   onClick={() => syncIndexDaily.mutate()}
                   disabled={!hasDailyBatchCap || !!activeJobId || syncIndexDaily.isPending}
-                  className="w-full inline-flex items-center justify-center gap-1.5 px-3 py-1.5 rounded-btn bg-accent/90 text-base text-xs font-medium hover:bg-accent disabled:opacity-40 disabled:pointer-events-none transition-colors duration-150"
+                  className="w-full inline-flex items-center justify-center gap-1.5 px-3 py-1.5 rounded-btn bg-accent/90 text-white text-xs font-medium hover:bg-accent disabled:opacity-40 disabled:pointer-events-none transition-colors duration-150"
                 >
                   {syncIndexDaily.isPending ? (
                     <>
@@ -1225,7 +1225,7 @@ export function Data() {
                 <button
                   onClick={() => stopSync.mutate()}
                   disabled={stopSync.isPending}
-                  className="px-3 py-1.5 rounded-btn bg-danger/90 text-base text-sm font-medium hover:bg-danger disabled:opacity-50 transition-colors"
+                  className="px-3 py-1.5 rounded-btn bg-danger/90 text-white text-sm font-medium hover:bg-danger disabled:opacity-50 transition-colors"
                 >
                   {stopSync.isPending ? '停止中…' : '确认停止'}
                 </button>
@@ -1289,7 +1289,7 @@ export function Data() {
                 <button
                   onClick={() => clearData.mutate()}
                   disabled={clearData.isPending}
-                  className="px-3 py-1.5 rounded-btn bg-danger/90 text-base text-sm font-medium hover:bg-danger disabled:opacity-50 transition-colors"
+                  className="px-3 py-1.5 rounded-btn bg-danger/90 text-white text-sm font-medium hover:bg-danger disabled:opacity-50 transition-colors"
                 >
                   {clearData.isPending ? '清除中…' : '清除数据'}
                 </button>
diff --git a/frontend/src/pages/Dev.tsx b/frontend/src/pages/Dev.tsx
index 58624190..9fd936ea 100644
--- a/frontend/src/pages/Dev.tsx
+++ b/frontend/src/pages/Dev.tsx
@@ -96,7 +96,7 @@ function MinuteProbePanel() {
         <button
           onClick={runProbe}
           disabled={loading || !symbol.trim()}
-          className="flex items-center gap-1.5 rounded-btn bg-accent px-4 py-1.5 text-sm font-medium text-base hover:bg-accent/90 disabled:opacity-50 cursor-pointer"
+          className="flex items-center gap-1.5 rounded-btn bg-accent px-4 py-1.5 text-sm font-medium text-white hover:bg-accent/90 disabled:opacity-50 cursor-pointer"
         >
           {loading ? <Loader2 className="h-4 w-4 animate-spin" /> : <Search className="h-4 w-4" />}
           {loading ? '探测中…' : '开始探测'}
@@ -263,7 +263,7 @@ function SeedPanel() {
           <button
             onClick={() => seedMut.mutate()}
             disabled={seedMut.isPending}
-            className="flex items-center gap-1.5 rounded-btn bg-accent px-4 py-1.5 text-sm font-medium text-base hover:bg-accent/90 disabled:opacity-50 cursor-pointer"
+            className="flex items-center gap-1.5 rounded-btn bg-accent px-4 py-1.5 text-sm font-medium text-white hover:bg-accent/90 disabled:opacity-50 cursor-pointer"
           >
             {seedMut.isPending ? <Loader2 className="h-4 w-4 animate-spin" /> : <FlaskConical className="h-4 w-4" />}
             生成演示数据
@@ -295,7 +295,7 @@ function SeedPanel() {
           <button
             onClick={() => ruleSeedMut.mutate()}
             disabled={ruleSeedMut.isPending}
-            className="flex items-center gap-1.5 rounded-btn bg-accent px-4 py-1.5 text-sm font-medium text-base hover:bg-accent/90 disabled:opacity-50 cursor-pointer"
+            className="flex items-center gap-1.5 rounded-btn bg-accent px-4 py-1.5 text-sm font-medium text-white hover:bg-accent/90 disabled:opacity-50 cursor-pointer"
           >
             {ruleSeedMut.isPending ? <Loader2 className="h-4 w-4 animate-spin" /> : <FlaskConical className="h-4 w-4" />}
             生成演示规则
@@ -359,7 +359,7 @@ function LadderTestPanel() {
         <button
           onClick={() => testMut.mutate()}
           disabled={testMut.isPending}
-          className="flex items-center gap-1.5 rounded-btn bg-accent px-4 py-1.5 text-sm font-medium text-base hover:bg-accent/90 disabled:opacity-50 cursor-pointer"
+          className="flex items-center gap-1.5 rounded-btn bg-accent px-4 py-1.5 text-sm font-medium text-white hover:bg-accent/90 disabled:opacity-50 cursor-pointer"
         >
           {testMut.isPending ? <Loader2 className="h-4 w-4 animate-spin" /> : <Bell className="h-4 w-4" />}
           模拟触发
diff --git a/frontend/src/pages/Financials.tsx b/frontend/src/pages/Financials.tsx
index b083c706..b8cd612c 100644
--- a/frontend/src/pages/Financials.tsx
+++ b/frontend/src/pages/Financials.tsx
@@ -74,13 +74,13 @@ export function Financials() {
             <div className="mx-auto flex h-12 w-12 items-center justify-center rounded-full bg-warning/10">
               <Lock className="h-6 w-6 text-warning" />
             </div>
-            <h3 className="mt-4 text-base font-semibold text-foreground">财务数据不可用</h3>
+            <h3 className="mt-4 text-[16px] leading-6 font-semibold text-foreground">财务数据不可用</h3>
             <p className="mt-2 text-xs leading-relaxed text-secondary">
               当前数据源未提供财务数据。配置提供财务数据的数据源后,此页自动显示财务数据面板。
             </p>
             <Link
               to="/settings?tab=data-sources"
-              className="mt-4 inline-flex items-center gap-1.5 rounded-btn bg-accent/90 px-3.5 py-1.5 text-xs font-medium text-base hover:bg-accent transition-colors"
+              className="mt-4 inline-flex items-center gap-1.5 rounded-btn bg-accent/90 px-3.5 py-1.5 text-xs font-medium text-white hover:bg-accent transition-colors"
             >
               前往数据源配置
             </Link>
diff --git a/frontend/src/pages/Indices.tsx b/frontend/src/pages/Indices.tsx
index ff2bed2f..6988c803 100644
--- a/frontend/src/pages/Indices.tsx
+++ b/frontend/src/pages/Indices.tsx
@@ -184,7 +184,7 @@ export function Indices() {
           <button
             onClick={() => syncDaily.mutate()}
             disabled={syncDaily.isPending}
-            className="inline-flex items-center gap-1.5 rounded-btn bg-accent px-3 py-1.5 text-xs font-medium text-base hover:bg-accent/90 disabled:opacity-50"
+            className="inline-flex items-center gap-1.5 rounded-btn bg-accent px-3 py-1.5 text-xs font-medium text-white hover:bg-accent/90 disabled:opacity-50"
           >
             {syncDaily.isPending ? <Loader2 className="h-3.5 w-3.5 animate-spin" /> : <RefreshCw className="h-3.5 w-3.5" />}
             同步指数日K
diff --git a/frontend/src/pages/Monitor.tsx b/frontend/src/pages/Monitor.tsx
index 7757e3b6..541bdafb 100644
--- a/frontend/src/pages/Monitor.tsx
+++ b/frontend/src/pages/Monitor.tsx
@@ -1091,7 +1091,7 @@ function ConfirmDialog({ open, title, message, confirmText, danger, pending, onC
                 disabled={pending}
                 className={cn(
                   'px-3 py-1.5 rounded-btn text-xs font-medium disabled:opacity-50 cursor-pointer',
-                  danger ? 'bg-danger text-base' : 'bg-accent text-base',
+                  danger ? 'bg-danger text-white' : 'bg-accent text-white',
                 )}
               >
                 {confirmText ?? '确定'}
@@ -1163,7 +1163,7 @@ function MonitorExtConfigDialog({ open, fields, onClose }: {
             </div>
             <div className="mt-5 flex justify-end gap-2">
               <button onClick={onClose} className="px-3 py-1.5 rounded-btn text-xs text-secondary hover:text-foreground transition-colors cursor-pointer">取消</button>
-              <button onClick={handleSave} className="px-3 py-1.5 rounded-btn text-xs font-medium bg-accent text-base cursor-pointer">保存</button>
+              <button onClick={handleSave} className="px-3 py-1.5 rounded-btn text-xs font-medium bg-accent text-white cursor-pointer">保存</button>
             </div>
           </motion.div>
         </motion.div>
diff --git a/frontend/src/pages/Regime.tsx b/frontend/src/pages/Regime.tsx
index c8ce6aa1..71909341 100644
--- a/frontend/src/pages/Regime.tsx
+++ b/frontend/src/pages/Regime.tsx
@@ -661,7 +661,7 @@ export function Regime() {
         <div className="absolute left-0 top-0 h-full w-1 bg-gradient-to-b from-accent to-accent/20" />
         <div className="flex items-center gap-3">
           <Activity className="h-5 w-5 text-accent" />
-          <h1 className="text-base font-semibold text-foreground">市场环境</h1>
+          <h1 className="text-[16px] leading-6 font-semibold text-foreground">市场环境</h1>
           <span className="text-xs text-muted">
             {view === 'phase' ? '涨停情绪 · 市场阶段 · 主线脉络' : '每日环境状态 · 赚钱效应 · 趋势分析'}
           </span>
diff --git a/frontend/src/pages/Review.tsx b/frontend/src/pages/Review.tsx
index b428a229..2b5c04bb 100644
--- a/frontend/src/pages/Review.tsx
+++ b/frontend/src/pages/Review.tsx
@@ -756,7 +756,7 @@ function ReportPanel({
           <Sparkles className="absolute -right-1 -top-1 h-5 w-5 text-accent" />
         </div>
         <div className="text-center">
-          <div className="text-base font-semibold text-foreground">AI 大盘复盘</div>
+          <div className="text-[16px] leading-6 font-semibold text-foreground">AI 大盘复盘</div>
           <p className="mx-auto mt-2 max-w-sm text-xs leading-relaxed text-secondary">
             一键生成今日盘后复盘报告 —— 从一句话定调到明日交易计划,
             结构化输出可直接指导次日仓位与节奏。
@@ -774,7 +774,7 @@ function ReportPanel({
             { icon: '⚠️', label: '风险提示' },
           ].map((s) => (
             <div key={s.label} className="flex flex-col items-center gap-1 rounded-btn bg-elevated/40 px-2 py-2">
-              <span className="text-base">{s.icon}</span>
+              <span className="text-[16px] leading-6">{s.icon}</span>
               <span className="text-[10px] text-secondary">{s.label}</span>
             </div>
           ))}
diff --git a/frontend/src/pages/Screener.tsx b/frontend/src/pages/Screener.tsx
index 4a485899..2adadaed 100644
--- a/frontend/src/pages/Screener.tsx
+++ b/frontend/src/pages/Screener.tsx
@@ -990,7 +990,7 @@ export function Screener() {
                         <Filter className="h-3 w-3" />
                         筛选
                         {filterActive(filter) && (
-                          <span className="bg-accent text-base rounded-full min-w-4 h-4 px-1 flex items-center justify-center text-[10px] font-bold leading-none">
+                          <span className="bg-accent text-white rounded-full min-w-4 h-4 px-1 flex items-center justify-center text-[10px] font-bold leading-none">
                             {countActiveFilters(filter)}
                           </span>
                         )}
diff --git a/frontend/src/pages/StockAnalysis.tsx b/frontend/src/pages/StockAnalysis.tsx
index c596214d..a3b869ae 100644
--- a/frontend/src/pages/StockAnalysis.tsx
+++ b/frontend/src/pages/StockAnalysis.tsx
@@ -228,7 +228,7 @@ function StockAnalysisBoard({ symbol }: { symbol: string }) {
             <span className="text-[10px] text-muted">{rows.length} 个交易日</span>
             <span className="text-[10px] text-muted/60">·</span>
             <span className="text-[10px] text-muted">当前价</span>
-            <span className={`text-base font-mono font-bold ${isUp ? 'text-bull' : 'text-bear'}`}>
+            <span className={`text-[16px] leading-6 font-mono font-bold ${isUp ? 'text-bull' : 'text-bear'}`}>
               {curClose?.toFixed(2) ?? '—'}
             </span>
           </div>
diff --git a/frontend/src/pages/backtest/AddFactorSignalDialog.tsx b/frontend/src/pages/backtest/AddFactorSignalDialog.tsx
index d59eb021..49f22be3 100644
--- a/frontend/src/pages/backtest/AddFactorSignalDialog.tsx
+++ b/frontend/src/pages/backtest/AddFactorSignalDialog.tsx
@@ -185,7 +185,7 @@ export function AddFactorSignalDialog({
           type="button"
           onClick={() => save.mutate()}
           disabled={save.isPending || !selected || !thresholdValid || !name.trim()}
-          className="inline-flex items-center gap-1.5 rounded-btn bg-amber-500/90 px-3 py-1.5 text-xs font-medium text-base transition-colors hover:bg-amber-500 disabled:cursor-not-allowed disabled:opacity-50"
+          className="inline-flex items-center gap-1.5 rounded-btn bg-amber-500/90 px-3 py-1.5 text-xs font-medium text-white transition-colors hover:bg-amber-500 disabled:cursor-not-allowed disabled:opacity-50"
         >
           <Zap className="h-3.5 w-3.5" />
           {save.isPending ? '保存中…' : '保存信号'}
diff --git a/frontend/src/pages/backtest/StrategyBacktest.tsx b/frontend/src/pages/backtest/StrategyBacktest.tsx
index 6a400469..a5cbc511 100644
--- a/frontend/src/pages/backtest/StrategyBacktest.tsx
+++ b/frontend/src/pages/backtest/StrategyBacktest.tsx
@@ -686,7 +686,7 @@ function Stat({ label, value, color }: { label: ReactNode; value: string; color?
     <div className="min-w-0 rounded-btn border border-border/70 bg-elevated/70 px-3 py-2">
       <div className="text-[11px] text-secondary">{label}</div>
       <div
-        className={`mt-1 break-words font-mono font-semibold leading-tight tracking-tight num ${compact ? 'text-xs xl:text-sm' : 'text-sm xl:text-base'}`}
+        className={`mt-1 break-words font-mono font-semibold leading-tight tracking-tight num ${compact ? 'text-xs xl:text-sm' : 'text-sm xl:text-[16px] xl:leading-6'}`}
         style={{ color: color ?? 'inherit' }}
         title={value}
       >
diff --git a/frontend/src/pages/settings/DataSources.tsx b/frontend/src/pages/settings/DataSources.tsx
index 4f2468ef..9cf91841 100644
--- a/frontend/src/pages/settings/DataSources.tsx
+++ b/frontend/src/pages/settings/DataSources.tsx
@@ -1015,7 +1015,7 @@ function PluginDetail({ plugin, isActive, matrixCaps, servingSet }: {
         </div>
         <div className="flex-1 min-w-0">
           <div className="flex items-center gap-2 mb-1 flex-wrap">
-            <h3 className="text-base font-semibold text-foreground">{plugin.display_name}</h3>
+            <h3 className="text-[16px] leading-6 font-semibold text-foreground">{plugin.display_name}</h3>
             <span className="text-[10px] text-muted/50 uppercase tracking-wider">插件 · {plugin.runtime}</span>
             <span className="rounded bg-warning/15 px-1 py-0.5 text-[9px] font-medium leading-none text-warning">第三方</span>
             {isActive && (
@@ -1164,7 +1164,7 @@ function TickFlowDetail({ active, matrix }: { active: boolean; matrix?: Capabili
         </div>
         <div className="flex-1 min-w-0">
           <div className="flex items-center gap-2 flex-wrap">
-            <h2 className="text-base font-semibold text-foreground">TickFlow</h2>
+            <h2 className="text-[16px] leading-6 font-semibold text-foreground">TickFlow</h2>
             <span className="rounded bg-warning/15 px-1.5 py-0.5 text-[10px] font-medium text-warning">第三方</span>
             <AllTiersBadge />
             {active && (
diff --git a/frontend/src/pages/settings/ExtPages.tsx b/frontend/src/pages/settings/ExtPages.tsx
index 6877ad99..3c856b08 100644
--- a/frontend/src/pages/settings/ExtPages.tsx
+++ b/frontend/src/pages/settings/ExtPages.tsx
@@ -141,7 +141,7 @@ export function SettingsExtPagesPanel() {
           </div>
           <button
             onClick={() => { resetForm(); setShowForm(true) }}
-            className="inline-flex items-center justify-center gap-1.5 rounded-btn bg-accent/90 px-3 py-1.5 text-xs font-medium text-base hover:bg-accent transition-colors"
+            className="inline-flex items-center justify-center gap-1.5 rounded-btn bg-accent/90 px-3 py-1.5 text-xs font-medium text-white hover:bg-accent transition-colors"
           >
             <Plus className="h-3.5 w-3.5" />
             新建页面
@@ -241,7 +241,7 @@ export function SettingsExtPagesPanel() {
 
           <div className="flex justify-end gap-2">
             <button onClick={() => { setShowForm(false); setError('') }} className="px-4 py-1.5 rounded-btn bg-elevated text-secondary text-xs">取消</button>
-            <button onClick={() => save.mutate()} disabled={save.isPending} className="inline-flex items-center gap-1.5 px-4 py-1.5 rounded-btn bg-accent/90 text-base text-xs font-medium disabled:opacity-50">
+            <button onClick={() => save.mutate()} disabled={save.isPending} className="inline-flex items-center gap-1.5 px-4 py-1.5 rounded-btn bg-accent/90 text-white text-xs font-medium disabled:opacity-50">
               <Save className="h-3.5 w-3.5" />保存
             </button>
           </div>
diff --git a/frontend/src/pages/settings/Monitoring.tsx b/frontend/src/pages/settings/Monitoring.tsx
index 0b0dcb03..e4eb3e4d 100644
--- a/frontend/src/pages/settings/Monitoring.tsx
+++ b/frontend/src/pages/settings/Monitoring.tsx
@@ -625,7 +625,7 @@ export function SettingsMonitoringPanel({ highlight }: { highlight?: string } =
                     <button
                       onClick={submitFeishu}
                       disabled={saveFeishuWebhook.isPending || (feishuDraft.trim() === feishuWebhookUrl && feishuSecretDraft.trim() === feishuWebhookSecret)}
-                      className="px-3 py-1.5 rounded-btn bg-accent text-base text-xs font-medium disabled:opacity-50 cursor-pointer hover:bg-accent/90 transition-colors"
+                      className="px-3 py-1.5 rounded-btn bg-accent text-white text-xs font-medium disabled:opacity-50 cursor-pointer hover:bg-accent/90 transition-colors"
                     >
                       {saveFeishuWebhook.isPending ? '保存中…' : '保存'}
                     </button>
@@ -701,7 +701,7 @@ export function SettingsMonitoringPanel({ highlight }: { highlight?: string } =
                     <button
                       onClick={submitWecom}
                       disabled={saveWecomWebhook.isPending || wecomDraft.trim() === wecomWebhookUrl}
-                      className="px-3 py-1.5 rounded-btn bg-accent text-base text-xs font-medium disabled:opacity-50 cursor-pointer hover:bg-accent/90 transition-colors"
+                      className="px-3 py-1.5 rounded-btn bg-accent text-white text-xs font-medium disabled:opacity-50 cursor-pointer hover:bg-accent/90 transition-colors"
                     >
                       {saveWecomWebhook.isPending ? '保存中…' : '保存'}
                     </button>
@@ -783,7 +783,7 @@ export function SettingsMonitoringPanel({ highlight }: { highlight?: string } =
                     <button
                       onClick={submitCustom}
                       disabled={saveCustomWebhook.isPending || (customDraft.trim() === customWebhookUrl && !customSecretDraft)}
-                      className="px-3 py-1.5 rounded-btn bg-accent text-base text-xs font-medium disabled:opacity-50 cursor-pointer hover:bg-accent/90 transition-colors"
+                      className="px-3 py-1.5 rounded-btn bg-accent text-white text-xs font-medium disabled:opacity-50 cursor-pointer hover:bg-accent/90 transition-colors"
                     >
                       {saveCustomWebhook.isPending ? '保存中…' : '保存'}
                     </button>
@@ -866,7 +866,7 @@ export function SettingsMonitoringPanel({ highlight }: { highlight?: string } =
                   </div>
                   {emailError && <div className="mt-2 text-[11px] text-danger">{emailError}</div>}
                   <div className="mt-2 flex items-center gap-2">
-                    <button onClick={submitEmail} disabled={saveEmailSmtp.isPending} className="px-3 py-1.5 rounded-btn bg-accent text-base text-xs font-medium disabled:opacity-50 cursor-pointer hover:bg-accent/90 transition-colors">
+                    <button onClick={submitEmail} disabled={saveEmailSmtp.isPending} className="px-3 py-1.5 rounded-btn bg-accent text-white text-xs font-medium disabled:opacity-50 cursor-pointer hover:bg-accent/90 transition-colors">
                       {saveEmailSmtp.isPending ? '保存中…' : '保存'}
                     </button>
                     <TestSendButton test={testEmail} configured={emailConfigured} />
@@ -938,7 +938,7 @@ export function SettingsMonitoringPanel({ highlight }: { highlight?: string } =
                     <button
                       onClick={submitBot}
                       disabled={saveWecomBot.isPending || (botIdDraft.trim() === wecomBotId && botSecretDraft.trim() === wecomBotSecret)}
-                      className="px-3 py-1.5 rounded-btn bg-accent text-base text-xs font-medium disabled:opacity-50 cursor-pointer hover:bg-accent/90 transition-colors"
+                      className="px-3 py-1.5 rounded-btn bg-accent text-white text-xs font-medium disabled:opacity-50 cursor-pointer hover:bg-accent/90 transition-colors"
                     >
                       {saveWecomBot.isPending ? '保存中…' : '保存并连接'}
                     </button>
diff --git a/frontend/tailwind.config.ts b/frontend/tailwind.config.ts
index 00e45f38..61d64c36 100644
--- a/frontend/tailwind.config.ts
+++ b/frontend/tailwind.config.ts
@@ -10,6 +10,8 @@ export default {
     extend: {
       colors: {
         // §6.0.1 色板 — CSS variables 见 src/index.css
+        // 注意: base 与字号 token 撞名, text-base 会生成 color 规则 (文字变背景色)。
+        // 字号 16px 一律写 text-[16px] leading-6, 禁用 text-base。
         base:      'hsl(var(--base) / <alpha-value>)',
         surface:   'hsl(var(--surface) / <alpha-value>)',
         elevated:  'hsl(var(--elevated) / <alpha-value>)',