diff --git a/web/src/components/PlayerControls.tsx b/web/src/components/PlayerControls.tsx
index 3931bc5..c0ac6b0 100644
--- a/web/src/components/PlayerControls.tsx
+++ b/web/src/components/PlayerControls.tsx
@@ -46,6 +46,9 @@ import {
   PLAYER_MENU_LABEL,
   PLAYER_POPOVER,
   PLAYER_RANGE_OVERLAY,
+  PLAYER_SHEET,
+  PLAYER_SHEET_BODY,
+  PLAYER_SHEET_HEADER,
   PLAYER_TEXT_BUTTON,
   PLAYER_TRACK,
   PLAYER_TRACK_FILL,
@@ -193,10 +196,17 @@ type PlayerControlsProps = {
   streamOffset?: number
   /** Absolute seek on the full timeline; return true when handled (e.g. HLS restart). */
   onSeekAbsolute?: (seconds: number) => boolean
+  /**
+   * 竖屏剧场模式：控制栏按钮放大到触控尺寸（44px 起），清晰度/倍速/
+   * 选集/字幕弹层改为视频区底部的动作面板，避免右侧抽屉与悬浮小弹层
+   * 在窄屏下被裁剪。桌面端保持原样。
+   */
+  theater?: boolean
 }
 
 export function PlayerControls({
   videoRef,
+  theater = false,
   volume: volumeProp = 1,
   onVolumeChange,
   onVolumeCommit,
@@ -910,7 +920,7 @@ export function PlayerControls({
   const compactOnlySections = (
     <>
       {showQuality && hasQualityGroups && (
-        <div className="sm:hidden">
+        <div className={theater ? undefined : 'sm:hidden'}>
           <p className={PLAYER_MENU_LABEL}>清晰度</p>
           <QualityItems
             groups={qualityGroups}
@@ -919,7 +929,7 @@ export function PlayerControls({
           />
         </div>
       )}
-      <div className="sm:hidden">
+      <div className={theater ? undefined : 'sm:hidden'}>
         <p className={PLAYER_MENU_LABEL}>播放速度</p>
         <SpeedItems
           playbackRate={playbackRateProp}
@@ -927,7 +937,7 @@ export function PlayerControls({
         />
       </div>
       {onTogglePlaylist && (
-        <div className="sm:hidden">
+        <div className={theater ? undefined : 'sm:hidden'}>
           <p className={PLAYER_MENU_LABEL}>选集</p>
           <button
             type="button"
@@ -947,7 +957,7 @@ export function PlayerControls({
         </div>
       )}
       {subs.length > 0 && (
-        <div className="sm:hidden">
+        <div className={theater ? undefined : 'sm:hidden'}>
           <p className={PLAYER_MENU_LABEL}>字幕</p>
           <SubtitleItems
             subs={subs}
@@ -965,7 +975,7 @@ export function PlayerControls({
           />
         </div>
       )}
-      <div className={`sm:hidden ${PLAYER_MENU_DIVIDER}`} />
+      <div className={theater ? PLAYER_MENU_DIVIDER : `sm:hidden ${PLAYER_MENU_DIVIDER}`} />
     </>
   )
 
@@ -1028,6 +1038,33 @@ export function PlayerControls({
     <>
     {seekOverlay}
     {playbackRateOverlay}
+    {theater && settingsMenuOpen ? (
+      <div
+        className="absolute inset-x-0 bottom-0 z-40 flex items-end justify-center"
+        onClick={(e) => e.stopPropagation()}
+        onPointerUp={(e) => e.stopPropagation()}
+      >
+        <div
+          className="absolute inset-0"
+          onClick={() => setSettingsMenuOpen(false)}
+          aria-hidden
+        />
+        <div className={`relative ${PLAYER_SHEET}`}>
+          <div className={PLAYER_SHEET_HEADER}>
+            <span className="text-[13px] font-semibold text-white/90">播放器设置</span>
+            <button
+              type="button"
+              onClick={() => setSettingsMenuOpen(false)}
+              className={PLAYER_ICON_BUTTON}
+              title="关闭设置"
+            >
+              <Minimize size={16} />
+            </button>
+          </div>
+          <div className={PLAYER_SHEET_BODY}>{settingsPanel}</div>
+        </div>
+      </div>
+    ) : null}
     <div
       className={`pointer-events-auto absolute inset-x-0 bottom-0 z-20 bg-gradient-to-t from-black/85 via-black/45 to-transparent px-2.5 pb-1.5 pt-12 transition-opacity duration-300 sm:px-3.5 sm:pb-2.5 ${
         uiVisible ? 'opacity-100' : 'pointer-events-none opacity-0'
@@ -1042,11 +1079,11 @@ export function PlayerControls({
     >
       {/* 进度条：单独占一行贴着画面底部，轨道只有 3px，悬停才变粗并露出圆点手柄 */}
       <div
-        className="group/seek relative flex h-5 w-full items-center"
+        className={`group/seek relative flex w-full items-center ${theater ? 'h-9' : 'h-5'}`}
         onMouseMove={handleSeekHover}
         onMouseLeave={() => setSeekHover(null)}
       >
-        <div className={`${PLAYER_TRACK} group-hover/seek:h-[5px]`}>
+        <div className={`${PLAYER_TRACK} ${theater ? 'h-[5px]' : ''} group-hover/seek:h-[5px]`}>
           <div
             className={`${PLAYER_TRACK_FILL} bg-white/30`}
             style={{ width: `${bufferedRatio * 100}%` }}
@@ -1057,7 +1094,7 @@ export function PlayerControls({
           />
         </div>
         <div
-          className="pointer-events-none absolute h-3 w-3 -translate-x-1/2 rounded-full bg-white opacity-0 shadow-md transition-opacity duration-150 group-hover/seek:opacity-100"
+          className={`pointer-events-none absolute h-3 w-3 -translate-x-1/2 rounded-full bg-white shadow-md transition-opacity duration-150 group-hover/seek:opacity-100 ${theater ? 'opacity-100' : 'opacity-0'}`}
           style={{ left: `${playedRatio * 100}%` }}
         />
         {tooltipVisible && durationSafe > 0 ? (
@@ -1085,14 +1122,14 @@ export function PlayerControls({
         />
       </div>
 
-      <div className="mt-0.5 flex items-center gap-0.5 sm:mt-1 sm:gap-1">
+      <div className={`flex items-center ${theater ? 'mt-1 gap-1' : 'mt-0.5 gap-0.5 sm:mt-1 sm:gap-1'}`}>
         {/* 播放 / 暂停 */}
         <button
           onClick={togglePlay}
-          className={`${PLAYER_ICON_BUTTON} h-8 w-8 sm:h-9 sm:w-9`}
+          className={`${PLAYER_ICON_BUTTON} ${theater ? 'h-11 w-11' : 'h-8 w-8 sm:h-9 sm:w-9'}`}
           title={playing ? '暂停 (Space)' : '播放 (Space)'}
         >
-          {playing ? <Pause size={19} /> : <Play size={19} />}
+          {playing ? <Pause size={theater ? 24 : 19} /> : <Play size={theater ? 24 : 19} />}
         </button>
 
         {/* 上一集 / 下一集：单条媒体（电影）没有上下集时整组隐藏，少两个死按钮 */}
@@ -1101,7 +1138,7 @@ export function PlayerControls({
             <button
               onClick={onPrevEpisode}
               disabled={!hasPrevEpisode}
-              className={PLAYER_ICON_BUTTON}
+              className={`${PLAYER_ICON_BUTTON} ${theater ? 'h-11 w-11' : ''}`}
               title={
                 hasPrevEpisode
                   ? prevEpisodeTitle
@@ -1115,7 +1152,7 @@ export function PlayerControls({
             <button
               onClick={onNextEpisode}
               disabled={!hasNextEpisode}
-              className={PLAYER_ICON_BUTTON}
+              className={`${PLAYER_ICON_BUTTON} ${theater ? 'h-11 w-11' : ''}`}
               title={
                 hasNextEpisode
                   ? nextEpisodeTitle
@@ -1223,7 +1260,7 @@ export function PlayerControls({
           type="button"
           onClick={onOpenDanmaku}
           disabled={!onOpenDanmaku}
-          className={`${PLAYER_ICON_BUTTON} ${danmakuOpen ? 'bg-white/15' : ''}`}
+          className={`${PLAYER_ICON_BUTTON} ${theater ? 'h-11 w-11' : ''} ${danmakuOpen ? 'bg-white/15' : ''}`}
           title={danmakuOpen ? '弹幕设置（已打开）' : '弹幕设置'}
         >
           <span
@@ -1330,16 +1367,16 @@ export function PlayerControls({
               setSubtitleMenuOpen(false)
               setSettingsMenuOpen((v) => !v)
             }}
-            className={`${PLAYER_ICON_BUTTON} ${settingsMenuOpen ? 'bg-white/15 text-white' : ''}`}
+            className={`${PLAYER_ICON_BUTTON} ${theater ? 'h-11 w-11' : ''} ${settingsMenuOpen ? 'bg-white/15 text-white' : ''}`}
             title="播放器设置"
           >
-            <Settings2 size={17} />
+            <Settings2 size={theater ? 21 : 17} />
           </button>
           {/* 识别到 VR 素材但还没进 VR 时，用一个小圆点提示设置里有东西可开 */}
           {vr360Detected && !vr360 && (
             <span className="pointer-events-none absolute right-0.5 top-0.5 h-1.5 w-1.5 rounded-full bg-amber-300" />
           )}
-          {settingsMenuOpen && (
+          {settingsMenuOpen && !theater && (
             <div className={`${PLAYER_POPOVER} absolute bottom-11 right-0 max-h-[70vh] w-[15rem] overflow-y-auto`}>
               {settingsPanel}
             </div>
@@ -1358,10 +1395,10 @@ export function PlayerControls({
 
         <button
           onClick={toggleFullscreen}
-          className={PLAYER_ICON_BUTTON}
+          className={`${PLAYER_ICON_BUTTON} ${theater ? 'h-11 w-11' : ''}`}
           title={fullscreen ? '退出全屏 (F)' : '全屏 (F)'}
         >
-          {fullscreen ? <Minimize size={17} /> : <Maximize size={17} />}
+          {fullscreen ? <Minimize size={theater ? 21 : 17} /> : <Maximize size={theater ? 21 : 17} />}
         </button>
       </div>
     </div>
diff --git a/web/src/components/PlayerDanmakuPanel.tsx b/web/src/components/PlayerDanmakuPanel.tsx
index 1f9f132..15486db 100644
--- a/web/src/components/PlayerDanmakuPanel.tsx
+++ b/web/src/components/PlayerDanmakuPanel.tsx
@@ -2,7 +2,7 @@ import { useEffect, useState } from 'react'
 import { Check, ChevronDown, ChevronRight, Eye, EyeOff, Film, Hash, KeyRound, Loader2, MessageSquareText, RefreshCw, Search, Server, Settings2, Sparkles, Tag, X } from 'lucide-react'
 
 import type { DanmakuAnime, DanmakuEpisode, DanmakuLoadedInfo } from '../api/danmaku'
-import { PLAYER_DRAWER, PLAYER_ICON_BUTTON, PLAYER_PANEL_HEADER } from './playerTheme'
+import { PLAYER_DRAWER, PLAYER_ICON_BUTTON, PLAYER_PANEL_HEADER, PLAYER_SHEET, PLAYER_SHEET_BODY, PLAYER_SHEET_HEADER } from './playerTheme'
 
 // PlayerDanmakuPanel — the on-player danmaku control panel. It displays
 // the matched danmaku details (anime title, episode title, comment count,
@@ -56,6 +56,11 @@ type PlayerDanmakuPanelProps = {
   danmakuInfo?: DanmakuLoadedInfo | null
   onSelectEpisode: (episodeId: number, animeTitle: string, episodeTitle: string) => void
   onResetAuto: () => void
+  /**
+   * 竖屏剧场模式：弹幕面板改为视频区底部的动作面板，而不是右侧抽屉，
+   * 窄屏下搜索框与滑杆不再被压扁。
+   */
+  theater?: boolean
 }
 
 export function PlayerDanmakuPanel({
@@ -90,6 +95,7 @@ export function PlayerDanmakuPanel({
   danmakuInfo,
   onSelectEpisode,
   onResetAuto,
+  theater = false,
 }: PlayerDanmakuPanelProps) {
   const [draft, setDraft] = useState(search)
   const [advancedOpen, setAdvancedOpen] = useState(false)
@@ -201,9 +207,13 @@ export function PlayerDanmakuPanel({
       onClick={(e) => e.stopPropagation()}
       onPointerDown={(e) => e.stopPropagation()}
       onPointerUp={(e) => e.stopPropagation()}
-      className={`absolute inset-y-0 right-0 z-30 ${PLAYER_DRAWER}`}
+      className={
+        theater
+          ? `absolute inset-x-0 bottom-0 z-40 ${PLAYER_SHEET}`
+          : `absolute inset-y-0 right-0 z-30 ${PLAYER_DRAWER}`
+      }
     >
-      <div className={PLAYER_PANEL_HEADER}>
+      <div className={theater ? PLAYER_SHEET_HEADER : PLAYER_PANEL_HEADER}>
         <div className="flex min-w-0 items-center gap-2 text-sm font-semibold">
           <MessageSquareText size={16} className="shrink-0 text-rose-400" />
           <span className="truncate">弹幕设置</span>
@@ -214,7 +224,7 @@ export function PlayerDanmakuPanel({
         </button>
       </div>
 
-      <div className="min-h-0 flex-1 overflow-y-auto overscroll-contain px-4 py-3.5">
+      <div className={theater ? PLAYER_SHEET_BODY : 'min-h-0 flex-1 overflow-y-auto overscroll-contain px-4 py-3.5'}>
       {/* 弹幕总开关。从操作栏的「弹」按钮直接进来就到了这里，所以这一项就是
           用户找的「开关弹幕」；文案跟旧的按钮提示保持一致，避免换个说法让人找不到。 */}
       <label className="mb-3 flex cursor-pointer items-center justify-between rounded-lg bg-white/5 px-2.5 py-2 text-sm transition hover:bg-white/10">
diff --git a/web/src/components/PlayerMobileTheaterInfo.tsx b/web/src/components/PlayerMobileTheaterInfo.tsx
new file mode 100644
index 0000000..1508dfb
--- /dev/null
+++ b/web/src/components/PlayerMobileTheaterInfo.tsx
@@ -0,0 +1,166 @@
+import { Layers, ListVideo } from 'lucide-react'
+
+import type { Media } from '../types'
+import { mediaVersionLabel, mediaVersionMatches } from '../utils/mediaVersion'
+
+// PlayerMobileTheaterInfo — 竖屏剧场模式下视频下方的可滚动内容区。
+//
+// 竖屏手机不再用全屏居中黑边布局：视频贴顶按 16:9 自适应高度，
+// 下面这块区域接管标题、选集横滑、版本切换和简介，信息密度与
+// 主流手机视频应用保持一致。桌面端与横屏手机不渲染它。
+
+type PlayerMobileTheaterInfoProps = {
+  media: Media | null
+  title: string
+  subtitle?: string
+  playbackModeLabel?: string
+  qualityLabel?: string
+  episodes: Media[]
+  currentMediaId: string
+  currentEpisodeIndex: number
+  currentVersions?: Media[]
+  onSelectEpisode: (media: Media) => void
+  onSelectVersion?: (media: Media) => void
+  onOpenPlaylist?: () => void
+}
+
+function episodeShortLabel(ep: Media): string {
+  if (ep.episode_num > 0) return `${ep.episode_num}`
+  const title = ep.episode_title?.trim() || ep.title?.trim() || ''
+  return title ? title.slice(0, 4) : '·'
+}
+
+function episodeFullLabel(ep: Media): string {
+  if (ep.episode_num > 0) {
+    const title = ep.episode_title?.trim()
+    return title && title !== ep.title?.trim() ? `第 ${ep.episode_num} 集 · ${title}` : `第 ${ep.episode_num} 集`
+  }
+  return ep.episode_title?.trim() || ep.title?.trim() || '未命名'
+}
+
+export function PlayerMobileTheaterInfo({
+  media,
+  title,
+  subtitle,
+  playbackModeLabel,
+  qualityLabel,
+  episodes,
+  currentMediaId,
+  currentEpisodeIndex,
+  currentVersions = [],
+  onSelectEpisode,
+  onSelectVersion,
+  onOpenPlaylist,
+}: PlayerMobileTheaterInfoProps) {
+  const hasEpisodeList = episodes.length > 1
+  const versionsToSwitch = currentVersions.length > 1 ? currentVersions : []
+  const overview = media?.overview?.trim() || ''
+
+  return (
+    <div className="min-h-0 flex-1 overflow-y-auto overscroll-contain bg-black px-4 pb-8 pt-3 text-white">
+      <h1 className="text-[15px] font-semibold leading-snug text-white/95">{title || '加载中…'}</h1>
+      {subtitle ? <p className="mt-1 text-xs text-white/55">{subtitle}</p> : null}
+      {(playbackModeLabel || qualityLabel) && (
+        <div className="mt-2 flex flex-wrap items-center gap-1.5">
+          {qualityLabel ? (
+            <span className="rounded-md bg-white/10 px-2 py-0.5 text-[11px] font-medium text-white/80">
+              {qualityLabel}
+            </span>
+          ) : null}
+          {playbackModeLabel ? (
+            <span className="rounded-md bg-white/10 px-2 py-0.5 text-[11px] text-white/60">
+              {playbackModeLabel}
+            </span>
+          ) : null}
+        </div>
+      )}
+
+      {hasEpisodeList ? (
+        <section className="mt-4">
+          <div className="mb-2 flex items-center justify-between">
+            <h2 className="flex items-center gap-1.5 text-[13px] font-semibold text-white/90">
+              <ListVideo size={14} className="text-rose-400" />
+              选集
+              <span className="font-mono text-[11px] font-normal text-white/45">
+                {currentEpisodeIndex >= 0 ? `${currentEpisodeIndex + 1}/${episodes.length}` : `${episodes.length} 集`}
+              </span>
+            </h2>
+            {onOpenPlaylist ? (
+              <button
+                type="button"
+                onClick={onOpenPlaylist}
+                className="rounded-md px-2 py-1 text-[11px] text-white/55 transition hover:bg-white/10 hover:text-white"
+              >
+                全部 &gt;
+              </button>
+            ) : null}
+          </div>
+          <div className="scrollbar-hide -mx-4 flex gap-1.5 overflow-x-auto px-4 pb-1">
+            {episodes.map((ep) => {
+              const active = mediaVersionMatches(ep, currentMediaId)
+              return (
+                <button
+                  key={ep.id}
+                  type="button"
+                  onClick={() => onSelectEpisode(ep)}
+                  title={episodeFullLabel(ep)}
+                  className={`flex h-10 min-w-12 shrink-0 items-center justify-center rounded-lg px-2 text-xs font-medium tabular-nums transition ${
+                    active
+                      ? 'bg-rose-500 text-white'
+                      : 'bg-white/[0.07] text-white/80 active:bg-white/15'
+                  }`}
+                >
+                  {episodeShortLabel(ep)}
+                </button>
+              )
+            })}
+          </div>
+        </section>
+      ) : null}
+
+      {versionsToSwitch.length > 0 ? (
+        <section className="mt-4">
+          <h2 className="mb-2 flex items-center gap-1.5 text-[13px] font-semibold text-white/90">
+            <Layers size={13} className="text-rose-400" />
+            版本
+            <span className="font-mono text-[11px] font-normal text-white/45">
+              {versionsToSwitch.length} 个
+            </span>
+          </h2>
+          <div className="space-y-1.5">
+            {versionsToSwitch.map((version) => {
+              const active = mediaVersionMatches(version, currentMediaId)
+              return (
+                <button
+                  key={version.id}
+                  type="button"
+                  disabled={active}
+                  onClick={() => onSelectVersion?.(version)}
+                  className={`flex w-full items-center gap-2 rounded-lg border px-2.5 py-2 text-left transition disabled:cursor-default ${
+                    active
+                      ? 'border-rose-500/50 bg-rose-500/15 text-white'
+                      : 'border-white/5 bg-white/5 text-white/85 active:bg-white/10'
+                  }`}
+                >
+                  <span className="min-w-0 flex-1 truncate text-xs font-medium">
+                    {mediaVersionLabel(version)}
+                  </span>
+                  {active ? <span className="shrink-0 text-[10px] text-rose-300">播放中</span> : null}
+                </button>
+              )
+            })}
+          </div>
+        </section>
+      ) : null}
+
+      {overview ? (
+        <section className="mt-4">
+          <h2 className="mb-1.5 text-[13px] font-semibold text-white/90">简介</h2>
+          <p className="text-xs leading-relaxed text-white/60">{overview}</p>
+        </section>
+      ) : null}
+
+      <p className="mt-5 text-center text-[10px] text-white/30">将手机横放可获得全屏沉浸式播放体验</p>
+    </div>
+  )
+}
diff --git a/web/src/components/PlayerPlaylistPanel.tsx b/web/src/components/PlayerPlaylistPanel.tsx
index e7045bc..fea5ae4 100644
--- a/web/src/components/PlayerPlaylistPanel.tsx
+++ b/web/src/components/PlayerPlaylistPanel.tsx
@@ -10,7 +10,7 @@ import {
   mediaVersionMatches,
   mediaVersionSourceLabel,
 } from '../utils/mediaVersion'
-import { PLAYER_DRAWER, PLAYER_ICON_BUTTON, PLAYER_PANEL_HEADER } from './playerTheme'
+import { PLAYER_DRAWER, PLAYER_ICON_BUTTON, PLAYER_PANEL_HEADER, PLAYER_SHEET, PLAYER_SHEET_BODY, PLAYER_SHEET_HEADER } from './playerTheme'
 
 export type SeasonGroup = {
   season: number
@@ -27,6 +27,11 @@ type PlayerPlaylistPanelProps = {
   onSelectEpisode: (media: Media) => void
   /** 切换到同一集/同一条目的另一个版本。 */
   onSelectVersion?: (media: Media) => void
+  /**
+   * 竖屏剧场模式：选集面板改为视频区底部的动作面板，而不是右侧抽屉，
+   * 避免窄屏下抽屉遮挡返回按钮、宫格被压扁。
+   */
+  theater?: boolean
 }
 
 /**
@@ -50,6 +55,7 @@ export function PlayerPlaylistPanel({
   episodes,
   onSelectEpisode,
   onSelectVersion,
+  theater = false,
 }: PlayerPlaylistPanelProps) {
   const [filterText, setFilterText] = useState('')
   /** 正在挑选版本的剧集 id；null = 宫格直接播放。 */
@@ -133,9 +139,13 @@ export function PlayerPlaylistPanel({
       // 舞台用 pointerdown/pointerup 判断「移动端轻触画面」，抽屉上的触摸不该参与。
       onPointerDown={(e) => e.stopPropagation()}
       onPointerUp={(e) => e.stopPropagation()}
-      className={`absolute inset-y-0 right-0 z-30 ${PLAYER_DRAWER}`}
+      className={
+        theater
+          ? `absolute inset-x-0 bottom-0 z-40 ${PLAYER_SHEET}`
+          : `absolute inset-y-0 right-0 z-30 ${PLAYER_DRAWER}`
+      }
     >
-      <div className={PLAYER_PANEL_HEADER}>
+      <div className={theater ? PLAYER_SHEET_HEADER : PLAYER_PANEL_HEADER}>
         <div className="flex min-w-0 items-center gap-2 text-sm font-semibold">
           <span className="truncate">{hasEpisodeList ? '选集' : '版本'}</span>
           <span className="shrink-0 font-mono text-[11px] font-normal text-white/45">
@@ -147,6 +157,8 @@ export function PlayerPlaylistPanel({
         </button>
       </div>
 
+      <div className={theater ? PLAYER_SHEET_BODY : 'flex min-h-0 flex-1 flex-col overflow-hidden'}>
+
       {/* 当前条目的版本切换：多版本时置顶，随时可换 */}
       {versionsToSwitch.length > 0 && (
         <div className="shrink-0 border-b border-white/10 px-3 py-2.5">
@@ -255,9 +267,9 @@ export function PlayerPlaylistPanel({
         </div>
       )}
 
-      {/* 集数宫格 */}
+      {/* 集数宫格：剧场模式下底部面板只做单层滚动，宫格区不再自己滚动 */}
       {hasEpisodeList ? (
-        <div className="min-h-0 flex-1 overflow-y-auto p-3 select-none">
+        <div className={theater ? 'p-3 select-none' : 'min-h-0 flex-1 overflow-y-auto p-3 select-none'}>
           {filteredEpisodes.length === 0 ? (
             <div className="py-10 text-center text-xs text-white/40">
               {filterText ? '未找到匹配的剧集' : '暂无剧集列表'}
@@ -326,11 +338,12 @@ export function PlayerPlaylistPanel({
         </div>
       ) : (
         versionsToSwitch.length === 0 && (
-          <div className="flex flex-1 items-center justify-center px-4 text-center text-xs text-white/40">
+          <div className="flex items-center justify-center px-4 py-8 text-center text-xs text-white/40">
             暂无可切换的内容
           </div>
         )
       )}
+      </div>
     </div>
   )
 }
diff --git a/web/src/components/playerTheme.ts b/web/src/components/playerTheme.ts
index 2c9392b..ad894e2 100644
--- a/web/src/components/playerTheme.ts
+++ b/web/src/components/playerTheme.ts
@@ -28,6 +28,22 @@ export const PLAYER_POPOVER =
 export const PLAYER_DRAWER =
   `flex h-full w-[88%] flex-col border-white/10 ${PANEL_BG} text-white ${PANEL_SHADOW} backdrop-blur-xl sm:w-[380px] sm:border-l`
 
+/**
+ * 底部动作面板（竖屏剧场模式）：贴着视频区底部向上弹出，内容最多占
+ * 视频区高度的 72%，留出一些画面可见；底部垫上安全区高度，避免
+ * iPhone 小横条遮挡最后一行选项。
+ */
+export const PLAYER_SHEET =
+  `z-40 flex max-h-[72%] min-h-[8rem] w-full flex-col overflow-hidden rounded-t-2xl border border-white/10 border-b-0 ${PANEL_BG} text-white ${PANEL_SHADOW} backdrop-blur-xl`
+
+/** 底部动作面板的标题栏（带关闭按钮）。 */
+export const PLAYER_SHEET_HEADER =
+  'flex shrink-0 items-center justify-between gap-2 border-b border-white/10 px-4 py-2.5'
+
+/** 底部动作面板的可滚动内容区，底部垫上安全区高度。 */
+export const PLAYER_SHEET_BODY =
+  'min-h-0 flex-1 overflow-y-auto overscroll-contain px-2 pb-[calc(0.75rem+env(safe-area-inset-bottom,0px))] pt-1'
+
 /** 操作栏里的图标按钮。所有图标按钮共用同一尺寸与悬停反馈，排在一起才整齐。 */
 export const PLAYER_ICON_BUTTON =
   'flex h-7 w-7 shrink-0 items-center justify-center rounded-md text-white/85 transition hover:bg-white/15 hover:text-white disabled:cursor-not-allowed disabled:text-white/30 disabled:hover:bg-transparent sm:h-8 sm:w-8'
diff --git a/web/src/hooks/useIsMobileTheater.ts b/web/src/hooks/useIsMobileTheater.ts
new file mode 100644
index 0000000..39a7ea1
--- /dev/null
+++ b/web/src/hooks/useIsMobileTheater.ts
@@ -0,0 +1,32 @@
+import { useEffect, useState } from 'react'
+
+const THEATER_MAX_WIDTH = 768
+
+function queryTheater(): boolean {
+  if (typeof window === 'undefined') return false
+  // 窄屏 + 竖屏才进剧场模式：横屏手机自动回到全屏沉浸式布局。
+  return window.innerWidth < THEATER_MAX_WIDTH && window.innerHeight >= window.innerWidth
+}
+
+/**
+ * 是否使用移动端竖屏剧场布局。
+ *
+ * 桌面端与横屏手机保持原来的全屏居中播放器；只有竖屏手机进
+ * 「视频贴顶 + 下方内容区」的剧场模式，避免 16:9 视频在竖屏里
+ * 上下大黑边、控制栏远离画面的问题。
+ */
+export function useIsMobileTheater(): boolean {
+  const [theater, setTheater] = useState(queryTheater)
+
+  useEffect(() => {
+    const onChange = () => setTheater(queryTheater())
+    window.addEventListener('resize', onChange)
+    window.addEventListener('orientationchange', onChange)
+    return () => {
+      window.removeEventListener('resize', onChange)
+      window.removeEventListener('orientationchange', onChange)
+    }
+  }, [])
+
+  return theater
+}
diff --git a/web/src/pages/PlayerPage.tsx b/web/src/pages/PlayerPage.tsx
index 87553c7..ff5b763 100644
--- a/web/src/pages/PlayerPage.tsx
+++ b/web/src/pages/PlayerPage.tsx
@@ -39,6 +39,8 @@ import { classifyDirectPlayError } from './directPlayError'
 import { apiErrorMessage } from './StrmManagePage'
 import { PlayerTopBar } from './PlayerTopBar'
 import { PlayerVideoStage } from './PlayerVideoStage'
+import { PlayerMobileTheaterInfo } from '../components/PlayerMobileTheaterInfo'
+import { useIsMobileTheater } from '../hooks/useIsMobileTheater'
 import { PlayerDanmakuPanel } from '../components/PlayerDanmakuPanel'
 import { PlayerPlaylistPanel } from '../components/PlayerPlaylistPanel'
 import {
@@ -1655,6 +1657,10 @@ export function PlayerPage() {
     media?.title?.trim() ||
     ''
 
+  // 竖屏手机走剧场布局：视频贴顶按 16:9 自适应，下方是标题/选集/简介。
+  // 桌面端与横屏手机保持原来的全屏居中沉浸式布局。
+  const isMobileTheater = useIsMobileTheater()
+
   return (
     <div className="relative flex h-full w-full flex-1 flex-col overflow-hidden bg-black">
       <PlayerTopBar
@@ -1667,6 +1673,7 @@ export function PlayerPage() {
         onBack={goBack}
       />
       <PlayerVideoStage
+        theater={isMobileTheater}
         media={media}
         loadError={loadError}
         playerError={playerError}
@@ -1730,6 +1737,7 @@ export function PlayerPage() {
         onDismissVr360Guide={dismissVr360Guide}
         playlistPanel={
           <PlayerPlaylistPanel
+            theater={isMobileTheater}
             open={playlistOpen}
             onClose={() => setPlaylistOpen(false)}
             currentMediaId={media?.id ?? ''}
@@ -1741,6 +1749,7 @@ export function PlayerPage() {
         }
         danmakuPanel={
           <PlayerDanmakuPanel
+            theater={isMobileTheater}
             open={danmakuOpen}
             onClose={() => setDanmakuOpen(false)}
             enabled={danmakuEnabled}
@@ -1775,6 +1784,22 @@ export function PlayerPage() {
           />
         }
       />
+      {isMobileTheater ? (
+        <PlayerMobileTheaterInfo
+          media={media?.id === id ? media : null}
+          title={topBarTitle}
+          subtitle={topBarSubtitle}
+          playbackModeLabel={playbackModeLabel}
+          qualityLabel={showQuality ? qualityLabel : undefined}
+          episodes={playlistEpisodes}
+          currentMediaId={media?.id ?? ''}
+          currentEpisodeIndex={currentEpisodeIndex}
+          currentVersions={currentVersions}
+          onSelectEpisode={playEpisode}
+          onSelectVersion={switchVersion}
+          onOpenPlaylist={togglePlaylistOpen}
+        />
+      ) : null}
     </div>
   )
 }
diff --git a/web/src/pages/PlayerVideoStage.tsx b/web/src/pages/PlayerVideoStage.tsx
index 30fe43c..5b01591 100644
--- a/web/src/pages/PlayerVideoStage.tsx
+++ b/web/src/pages/PlayerVideoStage.tsx
@@ -156,6 +156,11 @@ function buildSubtitleRenderGroups(
 
 type PlayerVideoStageProps = {
   media: Media | null
+  /**
+   * 竖屏剧场模式：舞台不再全屏居中，而是贴顶按 16:9 自适应高度；
+   * 弹层改为底部动作面板，避免右侧抽屉与悬浮小弹层在窄屏下被裁剪。
+   */
+  theater?: boolean
   /** 媒体元数据加载失败提示（非空时替代「加载中」展示）。 */
   loadError?: string
   playerError: string
@@ -234,6 +239,7 @@ type PlayerVideoStageProps = {
 
 export function PlayerVideoStage({
   media,
+  theater = false,
   loadError,
   playerError,
   subs,
@@ -725,12 +731,22 @@ export function PlayerVideoStage({
   const assTrack = subtitleIndex >= 0 ? subs[subtitleIndex] : undefined
   // VR 模式下画面由 WebGL 画布输出，舞台窗口本身就是「镜头」，
   // 不再按视频宽高比留黑边。
+  //
+  // 竖屏剧场模式（theater）：舞台不再全屏居中，视频贴顶按容器宽度
+  // 16:9 自适应高度，下方留给标题/选集/简介内容区。stage 本体的
+  // 高度只包住视频区，控制栏与弹层都相对这块区域定位。
   const wrapperStyle = vr360
     ? {
         width: '100%',
         height: '100%',
       }
-    : videoRatio
+    : theater
+      ? {
+          aspectRatio: '16 / 9',
+          width: '100%',
+          maxHeight: '100%',
+        }
+      : videoRatio
       ? {
           aspectRatio: `${videoRatio}`,
           width: isWiderThanStage ? '100%' : 'auto',
@@ -747,7 +763,11 @@ export function PlayerVideoStage({
     <div
       ref={stageRef}
       data-player-stage
-      className="relative flex h-full w-full flex-1 items-center justify-center overflow-hidden bg-black"
+      className={
+        theater
+          ? 'relative flex w-full shrink-0 items-start justify-center overflow-hidden bg-black'
+          : 'relative flex h-full w-full flex-1 items-center justify-center overflow-hidden bg-black'
+      }
       onPointerDown={handleStagePointerDown}
       onPointerMove={handleStagePointerMove}
       onMouseLeave={() => setLockHovered(false)}
@@ -851,6 +871,7 @@ export function PlayerVideoStage({
             ) : null}
           </div>
           <PlayerControls
+            theater={theater}
             videoRef={videoRef}
             volume={playerVolume}
             onVolumeChange={onPlayerVolumeChange}