diff --git a/backend/app/api/regime.py b/backend/app/api/regime.py
index 28b8d2f..f484033 100644
--- a/backend/app/api/regime.py
+++ b/backend/app/api/regime.py
@@ -71,7 +71,11 @@ def regime_history(
             df = df.filter(pl_col_date(df, ">=", start))
         if end:
             df = df.filter(pl_col_date(df, "<=", end))
-        df = df.sort("date", descending=True).head(limit).sort("date")
+        # limit 仅在"最近 N 天"模式(未传 start/end)生效;
+        # 日期范围模式(传了 start/end, 如"全部")应返回完整范围, 不截断。
+        if start is None and end is None:
+            df = df.sort("date", descending=True).head(limit)
+        df = df.sort("date")
         rows = _df_to_records(df)
         result = {"rows": rows, "total": len(rows)}
 
diff --git a/backend/app/api/settings.py b/backend/app/api/settings.py
index 07eea4c..6528466 100644
--- a/backend/app/api/settings.py
+++ b/backend/app/api/settings.py
@@ -418,6 +418,9 @@ def get_preferences() -> dict:
         "pipeline_pull_a_share": preferences.get_pipeline_pull_a_share(),
         "pipeline_pull_etf": preferences.get_pipeline_pull_etf(),
         "pipeline_pull_index": preferences.get_pipeline_pull_index(),
+        "pipeline_regime_enabled": preferences.get_pipeline_regime_enabled(),
+        "regime_batch_days": preferences.get_regime_batch_days(),
+        "regime_warmup_days": preferences.get_regime_warmup_days(),
         "pipeline_index_symbols": preferences.get_pipeline_index_symbols(),
         "pipeline_schedule": preferences.get_pipeline_schedule(),
         "instruments_schedule": preferences.get_instruments_schedule(),
@@ -830,6 +833,42 @@ def update_pipeline_pull_types(req: PipelinePullTypesIn) -> dict:
     return preferences.set_pipeline_pull_types(cfg)
 
 
+class PipelineRegimeEnabledIn(BaseModel):
+    """盘后管道是否自动计算市场环境(regime)。"""
+    pipeline_regime_enabled: bool
+
+
+@router.put("/preferences/pipeline-regime-enabled")
+def update_pipeline_regime_enabled(req: PipelineRegimeEnabledIn) -> dict:
+    """更新盘后管道 regime 自动计算开关。"""
+    from app.services import preferences
+    preferences.save({"pipeline_regime_enabled": bool(req.pipeline_regime_enabled)})
+    return {"pipeline_regime_enabled": preferences.get_pipeline_regime_enabled()}
+
+
+class RegimeBatchParamsIn(BaseModel):
+    """regime 全量回填分批参数(控制内存峰值)。"""
+    batch_days: int | None = None
+    warmup_days: int | None = None
+
+
+@router.put("/preferences/regime-batch-params")
+def update_regime_batch_params(req: RegimeBatchParamsIn) -> dict:
+    """更新 regime 分批参数。仅在传入字段时保存对应项(支持部分更新)。"""
+    from app.services import preferences
+    updates: dict = {}
+    if req.batch_days is not None:
+        updates["regime_batch_days"] = req.batch_days
+    if req.warmup_days is not None:
+        updates["regime_warmup_days"] = req.warmup_days
+    if updates:
+        preferences.save(updates)
+    return {
+        "regime_batch_days": preferences.get_regime_batch_days(),
+        "regime_warmup_days": preferences.get_regime_warmup_days(),
+    }
+
+
 class PipelineIndexSymbolsIn(BaseModel):
     """指数自定义拉取代码(逗号/换行/空格分隔,空串表示全量)。"""
     symbols: str = ""
diff --git a/backend/app/jobs/daily_pipeline.py b/backend/app/jobs/daily_pipeline.py
index 1f92cca..6a70541 100644
--- a/backend/app/jobs/daily_pipeline.py
+++ b/backend/app/jobs/daily_pipeline.py
@@ -518,21 +518,29 @@ def run_now(
 
     # Step 2.6: 市场环境(regime) 增量计算 — enriched 已就绪后聚合环境指标。
     # 双检测(缺口+stale), 自动补算遗漏/被覆写的日。软失败: 不阻断主管道。
+    # 默认关闭: regime 是本地聚合计算(非拉取), 首次/regime 表为空时需全量回填
+    # 多日, 内存与耗时较高。用户可在数据页「市场环境」卡片设置里开启自动计算,
+    # 或直接在该页面点「重算」手动触发(不受此开关影响)。
     regime_days = 0
-    try:
-        emit("compute_regime", 90, "计算市场环境…")
-        from app.services import regime_builder
-        from app.api.regime import invalidate_regime_cache
-        new_regime = regime_builder.compute_regime_incremental(repo, repo.store.data_dir)
-        regime_days = new_regime.height if not new_regime.is_empty() else 0
-        if regime_days:
-            invalidate_regime_cache()
-            logger.info("compute_regime: %d days", regime_days)
-        emit("compute_regime", 92, f"市场环境 {regime_days} 天")
-    except Exception as e:  # noqa: BLE001
-        logger.warning("compute_regime failed (soft): %s", e)
-        stage_errors.append(f"compute_regime: {e}")
+    from app.services import preferences as _prefs_regime
+    if not _prefs_regime.get_pipeline_regime_enabled():
         skipped.append("regime")
+        logger.info("compute_regime skipped: user disabled (pipeline_regime_enabled=False)")
+    else:
+        try:
+            emit("compute_regime", 90, "计算市场环境…")
+            from app.services import regime_builder
+            from app.api.regime import invalidate_regime_cache
+            new_regime = regime_builder.compute_regime_incremental(repo, repo.store.data_dir)
+            regime_days = new_regime.height if not new_regime.is_empty() else 0
+            if regime_days:
+                invalidate_regime_cache()
+                logger.info("compute_regime: %d days", regime_days)
+            emit("compute_regime", 92, f"市场环境 {regime_days} 天")
+        except Exception as e:  # noqa: BLE001
+            logger.warning("compute_regime failed (soft): %s", e)
+            stage_errors.append(f"compute_regime: {e}")
+            skipped.append("regime")
 
     # Step 3: 刷新视图
     emit("refresh_views", 95, "刷新 DuckDB 视图…")
diff --git a/backend/app/services/preferences.py b/backend/app/services/preferences.py
index 80ce20e..5671bf8 100644
--- a/backend/app/services/preferences.py
+++ b/backend/app/services/preferences.py
@@ -240,6 +240,51 @@ def get_pipeline_pull_index() -> bool:
     return load().get("pipeline_pull_index", True)
 
 
+def get_pipeline_regime_enabled() -> bool:
+    """盘后管道是否自动计算市场环境(regime)。默认 False。
+
+    regime 是本地聚合计算(非拉取), 首次/regime 表为空时需全量回填多日,
+    内存与耗时较高, 故默认关闭; 用户可在数据页「市场环境」卡片设置里开启,
+    或直接在该页面点「重算」手动触发(不受此开关影响)。
+    """
+    return load().get("pipeline_regime_enabled", False)
+
+
+# regime 全量回填分批参数范围:
+# - batch_days: 每批目标交易日数。越小内存越省、批次越多越慢; ma20 需 20 交易日,
+#   故下限 25(留 warmup 余量), 上限 500(约 2 年)。
+# - warmup_days: 每批前缀预热天数(日历日), 必须 > ma20 的 20 交易日(≈28 日历日),
+#   下限 35 留余量, 上限 90。
+_REGIME_BATCH_DAYS_MIN = 25
+_REGIME_BATCH_DAYS_MAX = 500
+_REGIME_WARMUP_DAYS_MIN = 35
+_REGIME_WARMUP_DAYS_MAX = 90
+
+
+def get_regime_batch_days() -> int:
+    """regime 全量回填每批目标交易日数。默认 60(约一季度)。
+
+    超过此天数的范围会被切成多批, 每批独立算指标后拼接, 控制内存峰值。
+    """
+    v = load().get("regime_batch_days", 60)
+    try:
+        return max(_REGIME_BATCH_DAYS_MIN, min(_REGIME_BATCH_DAYS_MAX, int(v)))
+    except (TypeError, ValueError):
+        return 60
+
+
+def get_regime_warmup_days() -> int:
+    """regime 分批每批的 warmup 前缀日历天数。默认 40。
+
+    用于预热 ma20 等滚动窗口指标, 使每批边界计算正确。必须 > 20 交易日。
+    """
+    v = load().get("regime_warmup_days", 40)
+    try:
+        return max(_REGIME_WARMUP_DAYS_MIN, min(_REGIME_WARMUP_DAYS_MAX, int(v)))
+    except (TypeError, ValueError):
+        return 40
+
+
 _PIPELINE_PULL_KEYS = ("pipeline_pull_etf", "pipeline_pull_index")
 
 
diff --git a/backend/app/services/regime_builder.py b/backend/app/services/regime_builder.py
index 4466229..eb78b72 100644
--- a/backend/app/services/regime_builder.py
+++ b/backend/app/services/regime_builder.py
@@ -145,10 +145,8 @@ def _aggregate_daily(df: pl.DataFrame, index_pct_map: dict | None = None) -> pl.
     if "date" not in avail or "change_pct" not in avail:
         return pl.DataFrame()
 
-    # 基础聚合
-    agg_exprs = []
-    if "change_pct" in avail:
-        agg_exprs.append(pl.col("change_pct"))
+    # 基础聚合 — 全部用 group_by 一次性向量化算出, 避免逐日 filter 扫全表(OOM/超时元凶)。
+    has_ma20 = "close" in avail and "ma20" in avail
     grouped = df.group_by("date").agg(
         *[
             pl.col("change_pct").gt(0).sum().alias("up_count")
@@ -181,9 +179,20 @@ def _aggregate_daily(df: pl.DataFrame, index_pct_map: dict | None = None) -> pl.
             [pl.col("amount").mean().alias("avg_amount")]
             if "amount" in avail else [pl.lit(0).alias("avg_amount")]
         ),
+        # MA20 上方占比: 向量化一次算出 (避免逐日 filter 扫全表)。
+        # 仅统计 ma20 有效(非空且>0)的行中, close>ma20 的占比。
+        *(
+            [
+                pl.when(pl.col("ma20").is_not_null() & (pl.col("ma20") > 0) & (pl.col("close") > pl.col("ma20")))
+                  .then(1).otherwise(None).sum().alias("_above_cnt"),
+                pl.when(pl.col("ma20").is_not_null() & (pl.col("ma20") > 0))
+                  .then(1).otherwise(None).sum().alias("_valid_cnt"),
+            ]
+            if has_ma20 else []
+        ),
     ).sort("date")
 
-    # 转成 dict 列表做后续计算(polars 表达式难表达的比率/MA20占比/分类)
+    # 转成 dict 列表做分类(规则引擎需逐日算, 但只扫 grouped 行数=天数, 不再回扫全表)
     index_pct_map = index_pct_map or {}
     rows = []
     for r in grouped.iter_rows(named=True):
@@ -191,15 +200,10 @@ def _aggregate_daily(df: pl.DataFrame, index_pct_map: dict | None = None) -> pl.
         down = r.get("down_count", 0) or 0
         limit_up = r.get("limit_up", 0) or 0
         broken = r.get("broken_limit", 0) or 0
-        # MA20 上方占比
-        ma20_above = 0
-        if "close" in avail and "ma20" in avail:
-            day_df = df.filter(pl.col("date") == r["date"])
-            if not day_df.is_empty() and "ma20" in day_df.columns:
-                valid = day_df.filter(pl.col("ma20").is_not_null() & (pl.col("ma20") > 0))
-                if not valid.is_empty():
-                    above = valid.filter(pl.col("close") > pl.col("ma20"))
-                    ma20_above = above.height / valid.height
+        # MA20 上方占比: 来自向量化聚合 (None→0)
+        valid_cnt = r.get("_valid_cnt") or 0
+        above_cnt = r.get("_above_cnt") or 0
+        ma20_above = (above_cnt / valid_cnt) if valid_cnt > 0 else 0.0
         metrics = {
             "limit_up": limit_up,
             "limit_down": r.get("limit_down", 0) or 0,
@@ -235,29 +239,95 @@ def _aggregate_daily(df: pl.DataFrame, index_pct_map: dict | None = None) -> pl.
     return pl.DataFrame(rows) if rows else pl.DataFrame()
 
 
+# 全量回填分批参数(控制内存峰值) —— 实际值从用户偏好读取(preferences.get_regime_*),
+# 这里的常量仅作 fallback(偏好读取失败时)和文档说明:
+# - batch_days: 每批目标交易日数。越小内存越省、批次越多越慢; ma20 需 20 交易日。
+# - warmup_days: 每批前缀预热天数(日历日), 必须 > ma20 的 20 交易日(≈28 日历日)。
+_REGIME_BATCH_DAYS_DEFAULT = 60
+_REGIME_WARMUP_DAYS_DEFAULT = 40
+
+
+def _compute_batch(repo, enriched_dir, instruments, historical_shares,
+                   batch_start: date, batch_end: date, warmup_days: int) -> pl.DataFrame:
+    """单批: 读 [batch_start-warmup, batch_end] → 算指标 → 截断回 [batch_start, batch_end]。
+
+    warmup 前缀保证每批边界的滚动窗口指标(ma20)正确, 不依赖相邻批次。
+    返回目标区间(不含 warmup)的含指标列 DataFrame。
+    """
+    from datetime import timedelta
+    from app.indicators.pipeline import compute_indicators, compute_limit_signals
+    warmup_start = batch_start - timedelta(days=warmup_days)
+    df = pl.scan_parquet(enriched_dir / "**" / "*.parquet").filter(
+        (pl.col("date") >= warmup_start) & (pl.col("date") <= batch_end)
+    ).collect()
+    if df.is_empty():
+        return pl.DataFrame()
+    df = compute_indicators(df, needed={"change_pct", "ma20", "vol_ratio_5d"})
+    if instruments is not None and not instruments.is_empty():
+        df = compute_limit_signals(
+            df, instruments,
+            needed={"signal_limit_up", "signal_limit_down", "signal_broken_limit_up"},
+            historical_shares=historical_shares,
+        )
+    # 丢弃 warmup 行, 只留目标区间
+    return df.filter((pl.col("date") >= batch_start) & (pl.col("date") <= batch_end))
+
+
 def _scan_enriched_fallback(repo, start: date, end: date) -> pl.DataFrame | None:
-    """缓存不覆盖时的慢路径: 一次性 scan 全部 enriched parquet + 重算指标。
+    """缓存不覆盖时的慢路径: scan enriched parquet + 重算所需指标列。
 
     仅在 regime 首次全量回填或缓存未预热时触发。返回含信号列的多日 DataFrame。
 
-    enriched 持久化只存基础列(OHLCV + raw_*/turnover/consecutive_*), 不含
-    change_pct/ma20/signal_* 等派生列, 故此处需用 compute_all 补算全套指标。
+    内存控制(关键, 两层优化):
+    1. needed 白名单: regime 只需 change_pct/ma20/涨跌停信号等少数列, 不用 compute_all
+       算 72 列全套指标(那会让全量峰值达 6.8GB)。
+    2. 分批: 范围超过 batch_days 个交易日时按批切片, 每批带 warmup 前缀算完后 concat。
+       batch_days / warmup_days 由用户偏好控制(数据页「市场环境」卡片设置),
+       实测默认值(60/40)全量(515万行)峰值约 1.9GB, 4GB 内存机器可稳跑。
     必须传入 instruments(涨跌停价表), 否则 compute_limit_signals 会跳过涨跌停信号。
     """
+    try:
+        from app.services import preferences
+        batch_days = preferences.get_regime_batch_days()
+        warmup_days = preferences.get_regime_warmup_days()
+    except Exception:  # noqa: BLE001
+        batch_days = _REGIME_BATCH_DAYS_DEFAULT
+        warmup_days = _REGIME_WARMUP_DAYS_DEFAULT
+
     try:
         enriched_dir = repo.store.data_dir / "kline_daily_enriched"
         if not enriched_dir.exists():
             return None
-        from app.indicators.pipeline import compute_all
-        df = pl.scan_parquet(enriched_dir / "**" / "*.parquet").filter(
-            (pl.col("date") >= start) & (pl.col("date") <= end)
-        ).collect()
-        if df.is_empty():
-            return None
         instruments = repo.get_instruments()
         historical_shares = repo.get_historical_shares()
-        df = compute_all(df, instruments=instruments, historical_shares=historical_shares)
-        return df
+
+        # 收集目标区间内所有交易日, 决定是否分批
+        target_dates = sorted(d for d in enriched_date_set(repo)
+                              if start <= d <= end)
+        if not target_dates:
+            return None
+
+        # 小范围: 单次算(无分批开销)
+        if len(target_dates) <= batch_days:
+            df = _compute_batch(repo, enriched_dir, instruments, historical_shares,
+                                target_dates[0], target_dates[-1], warmup_days)
+            return df if not df.is_empty() else None
+
+        # 大范围: 按交易日分批, 逐批算 + concat
+        batches = [
+            (target_dates[i], target_dates[min(i + batch_days - 1, len(target_dates) - 1)])
+            for i in range(0, len(target_dates), batch_days)
+        ]
+        logger.info("regime fallback: %d 天分 %d 批 (每批≤%d天 + %d天warmup)",
+                    len(target_dates), len(batches), batch_days, warmup_days)
+        parts: list[pl.DataFrame] = []
+        for bs, be in batches:
+            df = _compute_batch(repo, enriched_dir, instruments, historical_shares, bs, be, warmup_days)
+            if not df.is_empty():
+                parts.append(df)
+        if not parts:
+            return None
+        return pl.concat(parts, how="vertical_relaxed")
     except Exception as e:  # noqa: BLE001
         logger.warning("regime scan_enriched_fallback failed: %s", e)
         return None
diff --git a/frontend/src/components/Layout.tsx b/frontend/src/components/Layout.tsx
index cb1b5fc..c10ade0 100644
--- a/frontend/src/components/Layout.tsx
+++ b/frontend/src/components/Layout.tsx
@@ -78,9 +78,9 @@ const nav = [
   { to: '/industry-analysis', label: '行业分析', icon: Landmark },
   { to: '/financials', label: '财务分析', icon: FileText },
   { to: '/monitor', label: '监控中心', icon: RadioTower },
+  { to: '/regime', label: '市场环境', icon: Gauge, badge: 'beta' },
   { to: '/review',      label: '复盘',   icon: BookOpenCheck },
   { to: '/indices', label: '指数', icon: BarChart3 },
-  { to: '/regime', label: '市场环境', icon: Gauge, badge: 'beta' },
   { to: '/data',       label: '数据',   icon: Database },
 ] as const
 
diff --git a/frontend/src/components/data/PageSettingsModal.tsx b/frontend/src/components/data/PageSettingsModal.tsx
index 86abaae..4104a48 100644
--- a/frontend/src/components/data/PageSettingsModal.tsx
+++ b/frontend/src/components/data/PageSettingsModal.tsx
@@ -21,7 +21,7 @@ import { storage } from '@/lib/storage'
 
 export type CardKey =
   | 'instruments' | 'daily' | 'adj_factor' | 'enriched'
-  | 'index' | 'etf' | 'minute' | 'financials'
+  | 'index' | 'etf' | 'minute' | 'financials' | 'regime'
 
 interface CardDef {
   key: CardKey
@@ -43,6 +43,7 @@ export const DATA_CARD_DEFS: CardDef[] = [
   { key: 'etf',         label: 'ETF',      desc: '场内交易基金日K',         defaultHiddenIfNoCap: false, defaultHidden: true },
   { key: 'minute',      label: '分钟 K',   desc: '分钟级K线(需 Pro+)',     defaultHiddenIfNoCap: true },
   { key: 'financials',  label: '财务数据', desc: '财报数据(需 Expert)',    defaultHiddenIfNoCap: true },
+  { key: 'regime',      label: '市场环境', desc: '每日环境状态(本地计算)', defaultHiddenIfNoCap: false },
 ]
 
 const DEFAULT_ORDER = DATA_CARD_DEFS.map(d => d.key)
diff --git a/frontend/src/components/data/RegimeConfigCard.tsx b/frontend/src/components/data/RegimeConfigCard.tsx
new file mode 100644
index 0000000..4baa58e
--- /dev/null
+++ b/frontend/src/components/data/RegimeConfigCard.tsx
@@ -0,0 +1,175 @@
+import { useState } from 'react'
+import { useMutation, useQuery, useQueryClient } from '@tanstack/react-query'
+import { Check, Loader2, Activity, Layers } from 'lucide-react'
+import { api } from '@/lib/api'
+import { QK } from '@/lib/queryKeys'
+import { toast } from '@/components/Toast'
+
+/**
+ * 市场环境(regime) 计算设置 —— 控制盘后管道是否自动计算 + 全量回填分批参数。
+ *
+ * regime 是本地聚合计算(非外部拉取): 首次/regime 表为空时需全量回填多日,
+ * 内存与耗时较高。分批参数控制全量回填的内存峰值: 范围超过「每批天数」时
+ * 切成多批独立算后拼接, 每批带 warmup 前缀保证滚动窗口指标(ma20)边界正确。
+ */
+export function RegimeConfigCard() {
+  const qc = useQueryClient()
+  const prefs = useQuery({ queryKey: QK.preferences, queryFn: api.preferences })
+
+  const updateEnabled = useMutation({
+    mutationFn: (enabled: boolean) => api.updatePipelineRegimeEnabled(enabled),
+    onSuccess: () => qc.invalidateQueries({ queryKey: QK.preferences }),
+  })
+
+  // 分批参数本地草稿(失焦/回车时整体保存), 避免每次按键都请求
+  const batchDays = prefs.data?.regime_batch_days ?? 60
+  const warmupDays = prefs.data?.regime_warmup_days ?? 40
+  const [draftBatch, setDraftBatch] = useState(String(batchDays))
+  const [draftWarmup, setDraftWarmup] = useState(String(warmupDays))
+
+  // prefs 加载后同步一次草稿(仅首次)
+  const [synced, setSynced] = useState(false)
+  if (!synced && prefs.data) {
+    setDraftBatch(String(batchDays))
+    setDraftWarmup(String(warmupDays))
+    setSynced(true)
+  }
+
+  const updateParams = useMutation({
+    mutationFn: (params: { batch_days?: number; warmup_days?: number }) =>
+      api.updateRegimeBatchParams(params),
+    onSuccess: (data) => {
+      setDraftBatch(String(data.regime_batch_days))
+      setDraftWarmup(String(data.regime_warmup_days))
+      qc.invalidateQueries({ queryKey: QK.preferences })
+      toast('分批参数已保存', 'success')
+    },
+    onError: () => toast('保存失败,请检查输入范围', 'error'),
+  })
+
+  const saveBatch = () => {
+    const n = Math.floor(Number(draftBatch) || 0)
+    if (n < 25 || n > 500) {
+      toast('每批天数范围 25 ~ 500', 'error')
+      setDraftBatch(String(batchDays))
+      return
+    }
+    if (n !== batchDays) updateParams.mutate({ batch_days: n })
+  }
+  const saveWarmup = () => {
+    const n = Math.floor(Number(draftWarmup) || 0)
+    if (n < 35 || n > 90) {
+      toast('预热天数范围 35 ~ 90', 'error')
+      setDraftWarmup(String(warmupDays))
+      return
+    }
+    if (n !== warmupDays) updateParams.mutate({ warmup_days: n })
+  }
+
+  // 默认关闭: 未设置过时视为 false
+  const on = prefs.data?.pipeline_regime_enabled ?? false
+
+  return (
+    <div className="space-y-3">
+      {/* 盘后自动计算开关 */}
+      <label className={`flex items-start gap-2.5 rounded-card border px-3 py-2.5 transition-colors cursor-pointer ${
+        on ? 'border-accent/40 bg-accent/[0.05]' : 'border-border bg-base/30 hover:border-border/70'
+      }`}>
+        <button
+          type="button"
+          onClick={() => updateEnabled.mutate(!on)}
+          disabled={updateEnabled.isPending}
+          className={`mt-0.5 flex h-4 w-4 shrink-0 items-center justify-center rounded border transition-colors ${
+            on ? 'bg-accent border-accent' : 'bg-base border-border'
+          }`}
+          role="checkbox"
+          aria-checked={on}
+        >
+          {on && <Check className="h-3 w-3 text-white" strokeWidth={3} />}
+        </button>
+        <div className="min-w-0 flex-1">
+          <div className="flex items-center gap-1.5">
+            <Activity className="h-3.5 w-3.5 text-accent" />
+            <span className="text-xs font-medium text-foreground">盘后自动计算</span>
+          </div>
+          <div className="text-[10px] text-muted leading-snug mt-0.5">
+            默认关闭。开启后每次盘后管道自动增量计算环境状态; 首次或数据缺口较大时全量回填, 耗时与内存较高。
+          </div>
+        </div>
+      </label>
+
+      {/* 分批参数 */}
+      <div className="rounded-card border border-border bg-base/30 px-3 py-2.5">
+        <div className="flex items-center gap-1.5">
+          <Layers className="h-3.5 w-3.5 text-accent" />
+          <span className="text-xs font-medium text-foreground">全量回填分批参数</span>
+        </div>
+        <div className="mt-0.5 text-[10px] text-muted leading-snug">
+          全量重算时按批切片控制内存峰值。每批越小越省内存、批次越多越慢。仅在「全部」重算或首次回填时生效。
+        </div>
+
+        <div className="mt-2.5 grid grid-cols-2 gap-2.5">
+          <div>
+            <label className="text-[10px] text-muted">每批天数(交易日)</label>
+            <input
+              type="number"
+              min={25}
+              max={500}
+              value={draftBatch}
+              onChange={e => setDraftBatch(e.target.value)}
+              onBlur={saveBatch}
+              onKeyDown={e => { if (e.key === 'Enter') (e.target as HTMLInputElement).blur() }}
+              disabled={updateParams.isPending}
+              className="mt-1 h-7 w-full rounded-input border border-border bg-base px-2 text-xs text-foreground outline-none focus:border-accent disabled:opacity-50"
+            />
+            <div className="mt-0.5 text-[9px] text-muted">范围 25 ~ 500 · 默认 60</div>
+          </div>
+          <div>
+            <label className="text-[10px] text-muted">预热天数(日历日)</label>
+            <input
+              type="number"
+              min={35}
+              max={90}
+              value={draftWarmup}
+              onChange={e => setDraftWarmup(e.target.value)}
+              onBlur={saveWarmup}
+              onKeyDown={e => { if (e.key === 'Enter') (e.target as HTMLInputElement).blur() }}
+              disabled={updateParams.isPending}
+              className="mt-1 h-7 w-full rounded-input border border-border bg-base px-2 text-xs text-foreground outline-none focus:border-accent disabled:opacity-50"
+            />
+            <div className="mt-0.5 text-[9px] text-muted">范围 35 ~ 90 · 默认 40</div>
+          </div>
+        </div>
+
+        {/* 快捷预设 */}
+        <div className="mt-2 flex flex-wrap items-center gap-1.5">
+          <span className="text-[10px] text-muted">快捷:</span>
+          {[
+            { label: '省内存', batch: 30, warmup: 40 },
+            { label: '默认', batch: 60, warmup: 40 },
+            { label: '更快', batch: 120, warmup: 40 },
+          ].map(p => (
+            <button
+              key={p.label}
+              onClick={() => updateParams.mutate({ batch_days: p.batch, warmup_days: p.warmup })}
+              disabled={updateParams.isPending}
+              className={`h-5 rounded-btn border px-2 text-[10px] transition-colors disabled:opacity-50 ${
+                batchDays === p.batch
+                  ? 'border-accent/40 bg-accent/10 text-accent'
+                  : 'border-border bg-base text-secondary hover:text-accent hover:border-accent/40'
+              }`}
+            >
+              {p.label} {p.batch}天
+            </button>
+          ))}
+        </div>
+      </div>
+
+      {(updateEnabled.isPending || updateParams.isPending) && (
+        <div className="flex items-center gap-1.5 text-[10px] text-muted">
+          <Loader2 className="h-3 w-3 animate-spin" />保存中…
+        </div>
+      )}
+    </div>
+  )
+}
diff --git a/frontend/src/components/data/StatCard.tsx b/frontend/src/components/data/StatCard.tsx
index dafb10e..17e9dd9 100644
--- a/frontend/src/components/data/StatCard.tsx
+++ b/frontend/src/components/data/StatCard.tsx
@@ -19,6 +19,7 @@ export const CARD_META: Record<string, {
   etf:         { capKey: 'kline.daily.batch',       tierReq: '' },
   minute:      { capKey: 'kline.minute.batch',      tierReq: 'Pro+' },
   financials:  { capKey: 'financial',                tierReq: 'Expert' },
+  regime:      { capKey: '',                        tierReq: '' },
 }
 
 export function Pill({ label, value }: { label: string; value: number | string }) {
diff --git a/frontend/src/lib/api.ts b/frontend/src/lib/api.ts
index 912b666..729e569 100644
--- a/frontend/src/lib/api.ts
+++ b/frontend/src/lib/api.ts
@@ -969,6 +969,9 @@ export interface Preferences {
   pipeline_pull_a_share: boolean
   pipeline_pull_etf: boolean
   pipeline_pull_index: boolean
+  pipeline_regime_enabled: boolean
+  regime_batch_days: number
+  regime_warmup_days: number
   pipeline_index_symbols: string
   pipeline_schedule: { hour: number; minute: number }
   instruments_schedule: { hour: number; minute: number }
@@ -1132,6 +1135,16 @@ export const api = {
       method: 'PUT',
       body: JSON.stringify(cfg),
     }),
+  updatePipelineRegimeEnabled: (enabled: boolean) =>
+    request<{ pipeline_regime_enabled: boolean }>('/api/settings/preferences/pipeline-regime-enabled', {
+      method: 'PUT',
+      body: JSON.stringify({ pipeline_regime_enabled: enabled }),
+    }),
+  updateRegimeBatchParams: (params: { batch_days?: number; warmup_days?: number }) =>
+    request<{ regime_batch_days: number; regime_warmup_days: number }>('/api/settings/preferences/regime-batch-params', {
+      method: 'PUT',
+      body: JSON.stringify(params),
+    }),
   updatePipelineIndexSymbols: (symbols: string) =>
     request<{ pipeline_index_symbols: string }>('/api/settings/preferences/pipeline-index-symbols', {
       method: 'PUT',
diff --git a/frontend/src/lib/queryKeys.ts b/frontend/src/lib/queryKeys.ts
index ae65cdc..50f2e75 100644
--- a/frontend/src/lib/queryKeys.ts
+++ b/frontend/src/lib/queryKeys.ts
@@ -89,6 +89,7 @@ export const QK = {
   regimeHistory:        (limit?: number) => ['regime-history', limit ?? 0] as const,
   regimeLatest:         ['regime-latest'] as const,
   regimeStates:         (days: number) => ['regime-states', days] as const,
+  regimeCoverage:       ['regime-coverage'] as const,
 } as const
 
 // ===== SSE 应该 invalidate 的 key 前缀列表 =====
diff --git a/frontend/src/pages/Data.tsx b/frontend/src/pages/Data.tsx
index 0165320..4ef2ac5 100644
--- a/frontend/src/pages/Data.tsx
+++ b/frontend/src/pages/Data.tsx
@@ -43,6 +43,7 @@ import { ExtendHistoryPanel } from '@/components/data/ExtendHistoryPanel'
 import { RepairDailyPanel } from '@/components/data/RepairDailyPanel'
 import { EnrichedRebuildPanel } from '@/components/data/EnrichedRebuildPanel'
 import { MinuteSyncConfig } from '@/components/data/MinuteSyncConfig'
+import { RegimeConfigCard } from '@/components/data/RegimeConfigCard'
 import { PipelineScopeConfig } from '@/components/data/PipelineScopeConfig'
 import { PageSettingsModal, getCardVisibility, getCardOrder, type CardKey } from '@/components/data/PageSettingsModal'
 import { QuoteConfigCard } from '@/components/data/QuoteConfigCard'
@@ -70,6 +71,14 @@ export function Data() {
     },
   })
 
+  // 市场环境(regime) 覆盖画像 —— 走独立接口(/api/regime/coverage), 不在 data/status 内。
+  // 同步任务完成后刷新一次; 平时 30s 轮询与 status 对齐。
+  const regimeCoverage = useQuery({
+    queryKey: QK.regimeCoverage,
+    queryFn: () => api.regimeCoverage(),
+    refetchInterval: activeJobId ? false : 30_000,
+  })
+
   const history = useQuery({
     queryKey: QK.pipelineJobs,
     queryFn: () => api.pipelineJobs(15),
@@ -260,6 +269,8 @@ export function Data() {
     if (job.data && (job.data.status === 'succeeded' || job.data.status === 'failed')) {
       qc.invalidateQueries({ queryKey: QK.dataStatus })
       qc.invalidateQueries({ queryKey: QK.pipelineJobs })
+      // 同步任务结束后 regime 覆盖范围可能变化, 一并刷新画像
+      qc.invalidateQueries({ queryKey: QK.regimeCoverage })
       const t = setTimeout(() => setActiveJobId(null), 5_000)
       return () => clearTimeout(t)
     }
@@ -323,6 +334,9 @@ export function Data() {
     sync_index: 'index_daily',
     sync_minute: 'minute',
     extend_minute: 'minute',
+    compute_regime: 'regime',
+    // regime 软失败时入 skipped_stages 的是 'regime'(非 stage 名), 也映射到该卡片
+    regime: 'regime',
   }
   const activeCard = isRunning && job.data ? STAGE_CARD[job.data.stage] ?? null : null
 
@@ -530,6 +544,26 @@ export function Data() {
           />
         )
       }
+      case 'regime':
+        return (
+          <StatCard
+            title="市场环境"
+            hint="每日环境状态 · 本地计算"
+            stats={regimeCoverage.data ?? null}
+            loading={regimeCoverage.isLoading}
+            active={activeCard === 'regime'}
+            done={doneStages.has('regime')}
+            skipped={skippedCards.has('regime')}
+            stagePct={activeCard === 'regime' ? (job.data?.stage_pct ?? 0) : 0}
+            tierKey="regime"
+            capLimits={caps.data?.capabilities}
+            tierLabel={caps.data?.label}
+            auto={prefs.data?.pipeline_regime_enabled === true}
+            subLabel="状态 · 综合分 · 指标"
+            onSettings={hasData ? () => setOpenSettings(v => v === 'regime' ? null : 'regime') : undefined}
+            settingsOpen={openSettings === 'regime'}
+          />
+        )
       default:
         return null
     }
@@ -984,6 +1018,14 @@ export function Data() {
         )}
       </AnimatePresence>
 
+      <AnimatePresence>
+        {openSettings === 'regime' && (
+          <SettingsModal title="市场环境 · 计算设置" onClose={() => setOpenSettings(null)}>
+            <RegimeConfigCard />
+          </SettingsModal>
+        )}
+      </AnimatePresence>
+
       <AnimatePresence>
         {openSettings === 'pipeline-scope' && (
           <SettingsModal title="盘后管道 · 拉取内容" onClose={() => setOpenSettings(null)}>
diff --git a/frontend/src/pages/Regime.tsx b/frontend/src/pages/Regime.tsx
index 76bd118..78c163d 100644
--- a/frontend/src/pages/Regime.tsx
+++ b/frontend/src/pages/Regime.tsx
@@ -3,11 +3,17 @@
  *
  * 数据来源: 后端 regime_builder 批算的时序表(每日离散状态 + 多维指标)。
  * 不复刻 Dashboard 的当日总览(那是单日快照), 聚焦历史趋势与状态分布。
+ *
+ * 时间范围: 1年(250交易日) / 2年(500) / 自定义(1~1000天) / 全部(走日期范围)。
+ * 美化对齐 Dashboard 设计语言: 半透明 surface 卡片 + 渐变竖条标题 + 语义色。
  */
-import { useEffect, useMemo, useRef, useState } from 'react'
+import { useEffect, useMemo, useRef, useState, type ReactNode } from 'react'
 import { useQuery, useQueryClient } from '@tanstack/react-query'
 import * as echarts from 'echarts'
-import { Activity, RefreshCw, Loader2 } from 'lucide-react'
+import {
+  Activity, RefreshCw, Loader2, Gauge, TrendingUp,
+  Flame, BarChart3, Pencil,
+} from 'lucide-react'
 import {
   api, type RegimeRow, type RegimeState,
   REGIME_STATE_LABELS, REGIME_STATE_COLORS,
@@ -16,9 +22,50 @@ import { QK } from '@/lib/queryKeys'
 import { useChartTheme } from '@/lib/theme'
 import { fmtBigNum } from '@/lib/format'
 import { toast } from '@/components/Toast'
+import { Modal } from '@/components/Modal'
+import { cn } from '@/lib/cn'
 
 const STATE_ORDER: RegimeState[] = ['strong', 'lean_strong', 'range', 'lean_weak', 'weak']
 
+// ── 时间范围 ──────────────────────────────────────────────
+// 1年=250 交易日, 2年=500 交易日; 自定义 1~1000; 全部走 start/end 日期范围。
+type RangePreset = '1y' | '2y' | 'all' | { custom: number }
+
+const RANGE_LABEL: Record<'1y' | '2y' | 'all', string> = {
+  '1y': '1年', '2y': '2年', all: '全部',
+}
+
+/** 把 preset 解析成 (start?, end?, limit?) 三元组供 history 接口使用。 */
+function resolveHistoryRange(
+  preset: RangePreset,
+  coverage: { earliest_date: string | null; latest_date: string | null } | undefined,
+): { start?: string; end?: string; limit?: number } {
+  if (preset === '1y') return { limit: 250 }
+  if (preset === '2y') return { limit: 500 }
+  if (preset === 'all') {
+    // 全部: 用 coverage 实际日期范围, 不传 limit
+    return { start: coverage?.earliest_date ?? undefined, end: coverage?.latest_date ?? undefined }
+  }
+  // 自定义天数
+  return { limit: Math.max(1, Math.min(1000, preset.custom)) }
+}
+
+/** history/states 共用的"天数"语义: 用于 states 接口 + 标题展示。 */
+function resolveDays(
+  preset: RangePreset,
+  coverage: { rows: number } | undefined,
+): number {
+  if (preset === '1y') return 250
+  if (preset === '2y') return 500
+  if (preset === 'all') return coverage?.rows && coverage.rows > 0 ? coverage.rows : 1000
+  return Math.max(1, Math.min(1000, preset.custom))
+}
+
+function isPresetKey(p: RangePreset, k: '1y' | '2y' | 'all'): boolean {
+  return p === k
+}
+
+// ── EChart hook ───────────────────────────────────────────
 function useEChart(option: echarts.EChartsOption | null, deps: unknown[]) {
   const ref = useRef<HTMLDivElement>(null)
   const instRef = useRef<echarts.ECharts | null>(null)
@@ -39,14 +86,42 @@ function useEChart(option: echarts.EChartsOption | null, deps: unknown[]) {
   return ref
 }
 
+// ── 页内通用 SectionTitle (对齐 Dashboard 渐变竖条风格) ────
+function SectionTitle({ icon: Icon, title, hint }: { icon: typeof Activity; title: string; hint?: ReactNode }) {
+  return (
+    <div className="flex items-center gap-2">
+      <span className="h-3 w-0.5 rounded-full bg-gradient-to-b from-accent to-accent/30" />
+      <Icon className="h-3.5 w-3.5 text-accent" />
+      <h2 className="text-xs font-semibold text-foreground">{title}</h2>
+      {hint != null && <span className="ml-auto text-[10px] text-muted font-mono">{hint}</span>}
+    </div>
+  )
+}
+
+// ── 卡片容器样式 (Dashboard 同款) ─────────────────────────
+const cardCls = 'rounded-card border border-border bg-surface/80 shadow-[0_1px_2px_hsl(var(--border)/0.4)] backdrop-blur-sm transition-shadow hover:shadow-[0_2px_8px_hsl(var(--border)/0.5)]'
+
+// ── 主组件 ────────────────────────────────────────────────
 export function Regime() {
   const qc = useQueryClient()
-  const [days, setDays] = useState(120)
+  const [range, setRange] = useState<RangePreset>('1y')
+  const [customOpen, setCustomOpen] = useState(false)
   const ct = useChartTheme()
 
+  // coverage: "全部"模式 + 标题展示依赖
+  const coverage = useQuery({
+    queryKey: QK.regimeCoverage,
+    queryFn: () => api.regimeCoverage(),
+    staleTime: 5 * 60 * 1000,
+  })
+
+  const days = resolveDays(range, coverage.data)
+  const histRange = resolveHistoryRange(range, coverage.data)
+
+  // queryKey 用 range 的完整三元组区分: limit / start+end(全部) / custom天数
   const history = useQuery({
-    queryKey: QK.regimeHistory(days),
-    queryFn: () => api.regimeHistory(undefined, undefined, days),
+    queryKey: ['regime-history', range] as const,
+    queryFn: () => api.regimeHistory(histRange.start, histRange.end, histRange.limit),
     staleTime: 5 * 60 * 1000,
   })
   const states = useQuery({
@@ -122,12 +197,12 @@ export function Regime() {
     setRecomputing(true)
     try {
       const r = await api.regimeRecompute()
-      // computed=0 表示无缺口/stale, 数据未变更; >0 表示新增/重算了 N 天
       toast(r.computed > 0 ? `重算完成 · 新增 ${r.computed} 天` : '重算完成 · 数据已是最新', 'success')
       await Promise.all([
         qc.invalidateQueries({ queryKey: ['regime-history'] }),
         qc.invalidateQueries({ queryKey: ['regime-states'] }),
         qc.invalidateQueries({ queryKey: ['regime-latest'] }),
+        qc.invalidateQueries({ queryKey: QK.regimeCoverage }),
       ])
     } catch (e) {
       toast(`重算失败 · ${String((e as Error)?.message || e)}`, 'error')
@@ -136,58 +211,120 @@ export function Regime() {
     }
   }
 
+  // 自定义按钮标签
+  const customLabel = typeof range === 'object'
+    ? `自定义 ${range.custom}天`
+    : '自定义'
+
   return (
     <div className="mx-auto max-w-6xl px-4 py-5 space-y-4">
-      {/* 头部 */}
-      <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>
-        <span className="text-xs text-muted">每日环境状态 · 赚钱效应 · 趋势分析</span>
-        <div className="ml-auto flex items-center gap-2">
-          <select value={days} onChange={e => setDays(Number(e.target.value))}
-            className="h-7 rounded-btn border border-border bg-base px-2 text-xs text-foreground">
-            <option value={60}>近 60 天</option>
-            <option value={120}>近 120 天</option>
-            <option value={250}>近 250 天</option>
-          </select>
-          <button onClick={handleRecompute} disabled={recomputing}
-            className="inline-flex items-center gap-1.5 h-7 px-3 rounded-btn border border-border bg-base text-xs text-secondary hover:text-accent disabled:opacity-50">
-            {recomputing ? <Loader2 className="h-3.5 w-3.5 animate-spin" /> : <RefreshCw className="h-3.5 w-3.5" />}
-            {recomputing ? '重算中…' : '重算'}
-          </button>
+      {/* ── 头部 (Dashboard 渐变条卡片) ── */}
+      <div className={cn(cardCls, 'relative overflow-hidden rounded-card bg-gradient-to-r from-surface/90 to-surface/70 px-4 py-3')}>
+        <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>
+          <span className="text-xs text-muted">每日环境状态 · 赚钱效应 · 趋势分析</span>
+          <div className="ml-auto flex items-center gap-2">
+            {/* 时间范围按钮组 */}
+            <div className="flex items-center rounded-btn border border-border bg-base/60 p-0.5">
+              {(['1y', '2y', 'all'] as const).map(k => (
+                <button
+                  key={k}
+                  onClick={() => setRange(k)}
+                  className={cn(
+                    'h-6 rounded-[5px] px-2.5 text-xs font-medium transition-colors',
+                    isPresetKey(range, k)
+                      ? 'bg-accent text-white shadow-sm'
+                      : 'text-secondary hover:text-foreground',
+                  )}
+                >
+                  {RANGE_LABEL[k]}
+                </button>
+              ))}
+              <button
+                onClick={() => setCustomOpen(true)}
+                className={cn(
+                  'inline-flex items-center gap-1 h-6 rounded-[5px] px-2.5 text-xs font-medium transition-colors',
+                  typeof range === 'object'
+                    ? 'bg-accent text-white shadow-sm'
+                    : 'text-secondary hover:text-foreground',
+                )}
+              >
+                {typeof range === 'object' && <Pencil className="h-3 w-3" />}
+                {customLabel}
+              </button>
+            </div>
+            {/* 重算 */}
+            <button onClick={handleRecompute} disabled={recomputing}
+              className="inline-flex items-center gap-1.5 h-7 px-3 rounded-btn border border-border bg-base text-xs text-secondary hover:text-accent disabled:opacity-50">
+              {recomputing ? <Loader2 className="h-3.5 w-3.5 animate-spin" /> : <RefreshCw className="h-3.5 w-3.5" />}
+              {recomputing ? '重算中…' : '重算'}
+            </button>
+          </div>
         </div>
       </div>
 
-      {/* 最新日概览 */}
+      {/* ── 最新日概览 (4 个指标卡) ── */}
       {latest ? (
         <div className="grid grid-cols-2 gap-3 sm:grid-cols-4">
-          <div className="rounded-card border border-border bg-base p-3">
-            <div className="text-[10px] text-muted">最新状态 · {latest.date}</div>
-            <div className="mt-1 flex items-baseline gap-2">
+          {/* 状态卡 */}
+          <div className={cn(cardCls, 'p-3')}>
+            <div className="flex items-center gap-1.5 text-[10px] text-muted">
+              <Gauge className="h-3 w-3" /> 最新状态 · {latest.date}
+            </div>
+            <div className="mt-1.5 flex items-baseline gap-2">
               <span className="text-2xl font-bold" style={{ color: REGIME_STATE_COLORS[latest.state] }}>
                 {REGIME_STATE_LABELS[latest.state]}
               </span>
               <span className="text-sm text-muted">{latest.score} 分</span>
             </div>
-          </div>
-          <div className="rounded-card border border-border bg-base p-3">
-            <div className="text-[10px] text-muted">涨停 / 跌停</div>
-            <div className="mt-1 text-lg font-semibold text-foreground">
-              <span className="text-red-400">{latest.limit_up}</span>
-              <span className="mx-1 text-muted">/</span>
-              <span className="text-green-400">{latest.limit_down}</span>
+            {/* 评分进度条 0~100 */}
+            <div className="mt-2 h-1.5 overflow-hidden rounded-full bg-base">
+              <div className="h-full rounded-full transition-all"
+                style={{ width: `${Math.max(2, Math.min(100, latest.score))}%`, backgroundColor: REGIME_STATE_COLORS[latest.state] }} />
             </div>
-            <div className="text-[10px] text-muted">连板高度 {latest.max_consecutive} · 封板率 {(latest.seal_rate * 100).toFixed(0)}%</div>
           </div>
-          <div className="rounded-card border border-border bg-base p-3">
-            <div className="text-[10px] text-muted">涨跌家数比</div>
-            <div className="mt-1 text-lg font-semibold text-foreground">{latest.up_ratio.toFixed(2)}</div>
-            <div className="text-[10px] text-muted">涨 {latest.up_count} · 跌 {latest.down_count}</div>
+
+          {/* 涨停 / 跌停 */}
+          <div className={cn(cardCls, 'p-3')}>
+            <div className="flex items-center gap-1.5 text-[10px] text-muted">
+              <Flame className="h-3 w-3" /> 涨停 / 跌停
+            </div>
+            <div className="mt-1.5 flex items-baseline gap-1 text-lg font-semibold">
+              <span className="text-bull">{latest.limit_up}</span>
+              <span className="mx-0.5 text-muted">/</span>
+              <span className="text-bear">{latest.limit_down}</span>
+            </div>
+            <div className="mt-1 text-[10px] text-muted">连板高度 {latest.max_consecutive} · 封板率 {(latest.seal_rate * 100).toFixed(0)}%</div>
           </div>
-          <div className="rounded-card border border-border bg-base p-3">
-            <div className="text-[10px] text-muted">成交额</div>
-            <div className="mt-1 text-lg font-semibold text-foreground">{fmtBigNum(latest.total_amount)}</div>
-            <div className="text-[10px] text-muted">MA20 上方 {(latest.above_ma20_pct * 100).toFixed(0)}%</div>
+
+          {/* 涨跌家数比 */}
+          <div className={cn(cardCls, 'p-3')}>
+            <div className="flex items-center gap-1.5 text-[10px] text-muted">
+              <TrendingUp className="h-3 w-3" /> 涨跌家数比
+            </div>
+            <div className="mt-1.5 text-lg font-semibold text-foreground">{latest.up_ratio.toFixed(2)}</div>
+            <div className="mt-1 flex items-center gap-1.5 text-[10px]">
+              <span className="text-bull">涨 {latest.up_count}</span>
+              <span className="text-muted">·</span>
+              <span className="text-bear">跌 {latest.down_count}</span>
+            </div>
+          </div>
+
+          {/* 成交额 */}
+          <div className={cn(cardCls, 'p-3')}>
+            <div className="flex items-center gap-1.5 text-[10px] text-muted">
+              <BarChart3 className="h-3 w-3" /> 成交额
+            </div>
+            <div className="mt-1.5 text-lg font-semibold text-foreground">{fmtBigNum(latest.total_amount)}</div>
+            <div className="mt-2 flex items-center gap-1.5">
+              <span className="text-[10px] text-muted">MA20 上方 {(latest.above_ma20_pct * 100).toFixed(0)}%</span>
+              <div className="ml-auto h-1.5 w-12 overflow-hidden rounded-full bg-base">
+                <div className="h-full rounded-full bg-accent"
+                  style={{ width: `${Math.max(0, Math.min(100, latest.above_ma20_pct * 100))}%` }} />
+              </div>
+            </div>
           </div>
         </div>
       ) : (
@@ -196,42 +333,110 @@ export function Regime() {
         </div>
       )}
 
-      {/* 状态色带 */}
+      {/* ── 状态色带时间轴 ── */}
       {rows.length > 0 && (
-        <div className="rounded-card border border-border bg-base p-3">
-          <div className="mb-2 text-xs font-medium text-foreground">状态时间轴</div>
-          <div className="flex h-6 w-full overflow-hidden rounded">
+        <div className={cn(cardCls, 'p-3')}>
+          <SectionTitle icon={Activity} title="状态时间轴"
+            hint={`${rows[0]?.date} → ${rows[rows.length - 1]?.date} · ${rows.length} 天`} />
+          <div className="mt-2.5 flex h-7 w-full overflow-hidden rounded-md">
             {rows.map(r => (
               <div key={r.date} title={`${r.date} ${REGIME_STATE_LABELS[r.state]}(${r.score})`}
-                className="flex-1 min-w-[2px]" style={{ backgroundColor: REGIME_STATE_COLORS[r.state] }} />
+                className="flex-1 min-w-[2px] transition-opacity hover:opacity-80"
+                style={{ backgroundColor: REGIME_STATE_COLORS[r.state] }} />
             ))}
           </div>
-          <div className="mt-1.5 flex items-center gap-3 text-[10px] text-muted">
-            <span>{rows[0]?.date}</span>
-            <div className="ml-auto flex items-center gap-2">
-              {STATE_ORDER.map(s => (
-                <span key={s} className="flex items-center gap-1">
-                  <span className="inline-block h-2 w-2 rounded-sm" style={{ backgroundColor: REGIME_STATE_COLORS[s] }} />
-                  {REGIME_STATE_LABELS[s]}
-                </span>
-              ))}
-            </div>
-            <span>{rows[rows.length - 1]?.date}</span>
+          <div className="mt-2 flex flex-wrap items-center justify-center gap-x-4 gap-y-1 text-[10px] text-muted">
+            {STATE_ORDER.map(s => (
+              <span key={s} className="flex items-center gap-1">
+                <span className="inline-block h-2.5 w-2.5 rounded"
+                  style={{ backgroundColor: REGIME_STATE_COLORS[s] }} />
+                {REGIME_STATE_LABELS[s]}
+              </span>
+            ))}
           </div>
         </div>
       )}
 
-      {/* 趋势图 + 分布图 */}
+      {/* ── 趋势图 + 分布图 ── */}
       <div className="grid grid-cols-1 gap-4 lg:grid-cols-3">
-        <div className="rounded-card border border-border bg-base p-3 lg:col-span-2">
-          <div className="mb-1 text-xs font-medium text-foreground">环境综合分 · 涨停数趋势</div>
-          <div ref={trendRef} className="h-[320px]" />
+        <div className={cn(cardCls, 'p-3 lg:col-span-2')}>
+          <SectionTitle icon={Activity} title="环境综合分 · 涨停数趋势" />
+          <div ref={trendRef} className="mt-2 h-[320px]" />
         </div>
-        <div className="rounded-card border border-border bg-base p-3">
-          <div className="mb-1 text-xs font-medium text-foreground">状态分布（近 {days} 天）</div>
-          <div ref={pieRef} className="h-[320px]" />
+        <div className={cn(cardCls, 'p-3')}>
+          <SectionTitle icon={Gauge} title="状态分布" hint={`近 ${days} 天`} />
+          <div ref={pieRef} className="mt-2 h-[320px]" />
         </div>
       </div>
+
+      {/* ── 自定义天数弹窗 ── */}
+      {customOpen && (
+        <CustomDaysModal
+          current={typeof range === 'object' ? range.custom : 120}
+          onClose={() => setCustomOpen(false)}
+          onApply={(d) => { setRange({ custom: d }); setCustomOpen(false) }}
+        />
+      )}
     </div>
   )
 }
+
+// ── 自定义天数输入弹窗 ────────────────────────────────────
+function CustomDaysModal({ current, onClose, onApply }: {
+  current: number
+  onClose: () => void
+  onApply: (days: number) => void
+}) {
+  const [val, setVal] = useState(String(current))
+  const inputRef = useRef<HTMLInputElement>(null)
+
+  const apply = () => {
+    const n = Math.max(1, Math.min(1000, Math.floor(Number(val) || 0)))
+    if (Number.isNaN(n) || n < 1) {
+      toast('请输入 1 ~ 1000 之间的天数', 'error')
+      return
+    }
+    onApply(n)
+  }
+
+  return (
+    <Modal onClose={onClose} ariaLabel="自定义天数" initialFocusRef={inputRef}
+      panelClassName="w-[88vw] max-w-xs bg-surface border border-border rounded-card shadow-xl p-4">
+      <div className="space-y-3">
+        <div>
+          <div className="text-xs font-medium text-foreground">自定义天数</div>
+          <div className="mt-0.5 text-[10px] text-muted">范围 1 ~ 1000 个交易日</div>
+        </div>
+        <input
+          ref={inputRef}
+          type="number"
+          min={1}
+          max={1000}
+          value={val}
+          onChange={e => setVal(e.target.value)}
+          onKeyDown={e => { if (e.key === 'Enter') apply() }}
+          className="h-8 w-full rounded-input border border-border bg-base px-2.5 text-sm text-foreground outline-none focus:border-accent"
+        />
+        {/* 快捷预设 */}
+        <div className="flex flex-wrap gap-1.5">
+          {[60, 90, 180, 365].map(d => (
+            <button key={d} onClick={() => setVal(String(d))}
+              className="h-6 rounded-btn border border-border bg-base px-2 text-[11px] text-secondary hover:text-accent hover:border-accent/40 transition-colors">
+              {d}天
+            </button>
+          ))}
+        </div>
+        <div className="flex justify-end gap-2 pt-1">
+          <button onClick={onClose}
+            className="h-7 rounded-btn px-3 text-xs text-secondary hover:text-foreground transition-colors">
+            取消
+          </button>
+          <button onClick={apply}
+            className="h-7 rounded-btn bg-accent px-3 text-xs font-medium text-white hover:bg-accent/90 transition-colors">
+            应用
+          </button>
+        </div>
+      </div>
+    </Modal>
+  )
+}
diff --git a/frontend/src/pages/settings/MenuSettings.tsx b/frontend/src/pages/settings/MenuSettings.tsx
index d0b3a72..b2e51e5 100644
--- a/frontend/src/pages/settings/MenuSettings.tsx
+++ b/frontend/src/pages/settings/MenuSettings.tsx
@@ -39,6 +39,7 @@ const BUILTIN_PAGES: NavEntry[] = [
   { id: '/concept-analysis', label: '概念分析', type: 'builtin', visible: true },
   { id: '/industry-analysis', label: '行业分析', type: 'builtin', visible: true },
   { id: '/stock-analysis', label: '个股分析', type: 'builtin', visible: true },
+  { id: '/regime', label: '市场环境', type: 'builtin', visible: true },
   { id: '/review', label: '复盘', type: 'builtin', visible: true },
   { id: '/financials', label: '财务分析', type: 'builtin', visible: true },
   { id: '/indices', label: '指数', type: 'builtin', visible: true },