diff --git a/prototypes/dungeon-sweeper-vertical-slice/presentation/main.gd b/prototypes/dungeon-sweeper-vertical-slice/presentation/main.gd
index 0ea7aadc..789536fb 100644
--- a/prototypes/dungeon-sweeper-vertical-slice/presentation/main.gd
+++ b/prototypes/dungeon-sweeper-vertical-slice/presentation/main.gd
@@ -48,6 +48,7 @@ var info_panel: HeroInfoPanelView         # C 区
 var board_zone: BoardZoneView             # D 区（含 ap_bar/board_view/toast/fx）
 var board_view: BoardView                 # 探针兼容别名（= board_zone.board_view）
 var ap_bar: ApBarView                     # 探针兼容别名（= board_zone.ap_bar）
+var settlement_fx: SettlementFxView       # 结算演出覆盖层（跨区弹道/光带——A–D 之上、模态之下）
 # 模态 overlay（z 序 = 登记序；pattern 6 层级纪律）
 var legend_overlay: LegendOverlay
 var review_overlay: SettlementReviewOverlay
@@ -59,6 +60,7 @@ var _tune_sim = null               # 调整板批量模拟控制器（tune_sim_c
 var _hints_shown := {}             # 一次性非模态提示去重（每 run 一次：chord/no_adjacent）
 var _refresh_used_round := 0      # 本轮已受理刷新次数（遥测 round_refresh_index——每轮 round_started 归零）
 var _boss_active := false         # Boss 遭遇变体（阶段指示附 Boss 名）
+var _was_settling := false        # 结算相位上升沿检测（结算轮光带触发——演出链批）
 
 
 func _ready() -> void:
@@ -89,6 +91,7 @@ func _build_ui() -> void:
 	board_zone = battle_ui.board_zone
 	board_view = battle_ui.board_view          # 探针兼容别名（= board_zone.board_view）
 	ap_bar = battle_ui.ap_bar                  # 探针兼容别名（= board_zone.ap_bar）
+	settlement_fx = battle_ui.settlement_fx
 	log_view.review_requested.connect(_open_review_from_band)
 	board_zone.action_requested.connect(_on_board_action)
 	board_zone.stop_pressed.connect(_on_stop_pressed)
@@ -392,6 +395,7 @@ func _wire_battle(settlement_ref) -> void:
 func _on_step_row(row: Dictionary) -> void:
 	log_view.append_row(row)
 	stage.on_step_row_fx(row)
+	_play_cross_zone_fx(row)   # 跨区因果演出（结算演出链批）：开格之因 → 站桩之果
 	# 高光演出（战斗结算×3①② 占位）：完美排雷横幅 / 标中旗加重弹道
 	if String(row.get("type", "")) == "highlight":
 		board_zone.fx.play_perfect_sweep()
@@ -400,6 +404,27 @@ func _on_step_row(row: Dictionary) -> void:
 	_refresh_presentations()
 
 
+# 跨区因果演出（§Transitions 结算逐行兑现——动画密度终稿归战斗表现样张批）：
+# 伤害行 → ⚔ 弹道自棋盘飞向目标敌方站桩（crit 金档加重）；治疗行 → ✚ 弹道飞向主角站桩；
+# 命中反馈（闪白/血条递减/灰化）由站桩侧 on_step_row_fx/set_data 承接
+func _play_cross_zone_fx(row: Dictionary) -> void:
+	var from_v: Vector2 = board_view.get_global_rect().get_center()
+	match String(row.get("type", "")):
+		"damage":
+			var target := String(row.get("target", ""))
+			if target == "" or target == "hero":
+				return
+			var to_v = stage.enemy_standee_center(target)
+			if to_v != null:
+				var crit := bool(row.get("crit", false))
+				settlement_fx.play_projectile(from_v, to_v, "⚔",
+					UiKit.GOLD if crit else UiKit.FLAG_RED, crit)
+		"heal":
+			if String(row.get("target", "")) != "hero" and String(row.get("target", "")) != "":
+				return
+			settlement_fx.play_projectile(from_v, stage.hero_standee_center(), "✚", Color("7cc47c"))
+
+
 func _on_round_started(ri: int) -> void:
 	log_view.finish_settlement_round()   # 上轮摘要行（挖掘期 1 行——明细带 pattern 3）
 	log_view.append_bb("[color=#e0b860]── 第 %d 轮 ──[/color]" % ri)
@@ -557,6 +582,9 @@ func _refresh_presentations() -> void:
 func _sync_settlement_visuals() -> void:
 	# 结算阶段（round_end → 下一轮）：D 区去饱和+金橙偏移锁输入（明度不变）+ 明细带展开 84px
 	var settling := _is_settling()
+	if settling and not _was_settling:
+		settlement_fx.play_round_sweep(board_view.get_global_rect())   # 结算轮光带（演出链批）
+	_was_settling = settling
 	board_view.set_desaturated(settling)
 	board_view.set_dig_glow_enabled(not settling)
 	stage.set_settle_focus(settling)
diff --git a/prototypes/dungeon-sweeper-vertical-slice/presentation/ui_assembler.gd b/prototypes/dungeon-sweeper-vertical-slice/presentation/ui_assembler.gd
index 53de7db6..eadff315 100644
--- a/prototypes/dungeon-sweeper-vertical-slice/presentation/ui_assembler.gd
+++ b/prototypes/dungeon-sweeper-vertical-slice/presentation/ui_assembler.gd
@@ -7,8 +7,9 @@
 extends RefCounted
 
 
-# 战斗屏四区（A 进度条 / B 战斗画面 / C·D 两列——E 区道具面板已随可选类删除下线，2026-09-15 格面资源批）。
-# 返回句柄字典：{strip_view, stage, log_view, info_panel, board_zone, board_view, ap_bar}
+# 战斗屏四区（A 进度条 / B 战斗画面 / C·D 两列——E 区道具面板已随可选类删除下线，2026-09-15 格面资源批）
+# + 结算演出覆盖层（A–D 之上、模态之下——跨区弹道/光带载体，结算演出链批 2026-09-20）。
+# 返回句柄字典：{strip_view, stage, log_view, info_panel, board_zone, board_view, ap_bar, settlement_fx}
 static func build_battle_ui(root: Control, db) -> Dictionary:
 	# set_anchors_and_offsets_preset（非 set_anchors_preset）：后者会把控件重置回最小内容尺寸
 	# （实测 927×613——缩顶、棋盘 45px 格 ×10 行超出 D 区 333px 高被裁，2026-09-13 用户报告回归）
@@ -41,6 +42,10 @@ static func build_battle_ui(root: Control, db) -> Dictionary:
 	bottom.add_child(board_zone)
 	board_zone.ap_bar.set_refresh_cost(int(db.action_economy.rap_refresh_cost))   # RAP 读数表值驱动
 
+	# 结算演出覆盖层（A–D 之上——z 序 = addChild 序，模态覆盖层组在 build_overlays 中更晚挂入）
+	var settlement_fx := SettlementFxView.new()
+	root.add_child(settlement_fx)
+
 	return {
 		"strip_view": strip_view,
 		"stage": stage,
@@ -49,6 +54,7 @@ static func build_battle_ui(root: Control, db) -> Dictionary:
 		"board_zone": board_zone,
 		"board_view": board_zone.board_view,
 		"ap_bar": board_zone.ap_bar,
+		"settlement_fx": settlement_fx,
 	}
 
 
diff --git a/prototypes/dungeon-sweeper-vertical-slice/presentation/views/battle_stage_view.gd b/prototypes/dungeon-sweeper-vertical-slice/presentation/views/battle_stage_view.gd
index 4819e9dc..bdc52fc5 100644
--- a/prototypes/dungeon-sweeper-vertical-slice/presentation/views/battle_stage_view.gd
+++ b/prototypes/dungeon-sweeper-vertical-slice/presentation/views/battle_stage_view.gd
@@ -110,6 +110,18 @@ func _card_by_name(display_name: String) -> StandeeView:
 	return null
 
 
+# 跨区弹道目标坐标（结算演出链批——组合根传给 SettlementFxView 的全局锚点）
+func enemy_standee_center(display_name: String):
+	var card := _card_by_name(display_name)
+	if card == null or not is_instance_valid(card):
+		return null
+	return card.get_global_rect().get_center()
+
+
+func hero_standee_center() -> Vector2:
+	return hero_standee.get_global_rect().get_center()
+
+
 # battle_over：全场敌方站桩灰化兜底（短路击杀等未走 killed 行的边角）
 func gray_all_enemies() -> void:
 	for c in _cards:
@@ -117,6 +129,7 @@ func gray_all_enemies() -> void:
 			c.mark_dead()
 
 
-# 结算期 B 区第一注视点提示（演出区文案切换——能量 7/10 清算调性占位）
+# 结算期 B 区第一注视点切换（能量 7/10 清算调性）：结算中占位文案退位——兑现演出由
+# SettlementFxView 弹道/光带本体接管（演出链批）；挖掘期恢复教学占位文案
 func set_settle_focus(on: bool) -> void:
-	stage_center.text = "兑现演出区\n（结算中——逐行兑现）" if on else "兑现演出区\n（结算期：光带 → 弹道 → 受击）"
+	stage_center.text = "" if on else "兑现演出区\n（结算期：光带 → 弹道 → 受击）"
diff --git a/prototypes/dungeon-sweeper-vertical-slice/presentation/views/settlement_fx_view.gd b/prototypes/dungeon-sweeper-vertical-slice/presentation/views/settlement_fx_view.gd
new file mode 100644
index 00000000..5c13b10b
--- /dev/null
+++ b/prototypes/dungeon-sweeper-vertical-slice/presentation/views/settlement_fx_view.gd
@@ -0,0 +1,56 @@
+# VERTICAL SLICE - NOT FOR PRODUCTION
+# 实现 GDD：design/ux/battle.md（§Transitions 结算逐行兑现——B 区因果演出链骨架：
+# 结算轮光带自棋盘区横扫 → 伤害/治疗弹道自棋盘飞向敌我站桩 → 受击闪白与血条递减由站桩侧承接）。
+# 位置语义：全屏覆盖层（A–D 区之上、模态之下），只做跨区飞行的演出载体——棋盘区内演出
+# （清图金粒/完美排雷横幅/标中旗弹道/Boss 影子）仍归 board_fx_view。
+# 高内聚边界：纯演出——组合根按结算信号调用 play_*，传全局坐标（组合根持有棋盘与站桩两域句柄）；
+# 本类零核心依赖、不自持游戏状态、mouse_filter 全忽略（不劫持输入）。
+# 动画密度/缓动曲线归战斗表现样张批终稿——本批落"因果全程可见"骨架（规划兑现 P2 义务）。
+# Date: 2026-09-20（结算演出链批）
+class_name SettlementFxView
+extends Control
+
+
+func _init() -> void:
+	mouse_filter = Control.MOUSE_FILTER_IGNORE
+	set_anchors_preset(Control.PRESET_FULL_RECT)
+
+
+# 结算轮光带：金橙半透明横带自棋盘上缘扫至下缘（一次 0.5s，自动回收）——
+# "棋盘能量向战斗画面汇聚"的开轮语义（§2.2 色彩转金橙主导；区分于 board_fx 的完美排雷金光带）
+func play_round_sweep(board_rect: Rect2) -> void:
+	if board_rect.size == Vector2.ZERO:
+		return
+	var band := ColorRect.new()
+	band.color = Color(UiKit.GOLD, 0.22)
+	band.mouse_filter = Control.MOUSE_FILTER_IGNORE
+	band.position = Vector2(board_rect.position.x, board_rect.position.y)
+	band.size = Vector2(board_rect.size.x, 34.0)
+	add_child(band)
+	var tw := band.create_tween()
+	tw.tween_property(band, "position:y", board_rect.end.y - 34.0, 0.5).set_trans(Tween.TRANS_SINE)
+	tw.parallel().tween_property(band, "modulate:a", 0.0, 0.5).set_delay(0.15)
+	tw.tween_callback(band.queue_free)
+
+
+# 跨区弹道：glyph 字形自 from 飞向 to（0.35s + 轻微上抛弧线 + 终点淡出，自动回收）——
+# 开格之因 → 站桩之果的因果可视承载（P2）；crit 弹道由调用方传加重标记
+func play_projectile(from: Vector2, to: Vector2, glyph: String, col: Color, crit: bool = false) -> void:
+	var shot := UiKit.label(glyph, 22 if crit else 16, true)
+	shot.add_theme_color_override("font_color", col)
+	shot.mouse_filter = Control.MOUSE_FILTER_IGNORE
+	shot.size = Vector2(24, 24)
+	shot.horizontal_alignment = HORIZONTAL_ALIGNMENT_CENTER
+	shot.vertical_alignment = VERTICAL_ALIGNMENT_CENTER
+	shot.position = from - shot.size * 0.5
+	shot.pivot_offset = shot.size * 0.5
+	shot.z_index = 5
+	add_child(shot)
+	var mid := (from + to) * 0.5 + Vector2(0, -36.0)   # 轻微上抛弧线
+	var tw := shot.create_tween()
+	if crit:
+		tw.tween_property(shot, "scale", Vector2(1.5, 1.5), 0.08)
+	tw.tween_property(shot, "position", mid, 0.16).set_trans(Tween.TRANS_SINE).set_ease(Tween.EASE_OUT)
+	tw.tween_property(shot, "position", to - shot.size * 0.5, 0.19).set_trans(Tween.TRANS_SINE).set_ease(Tween.EASE_IN)
+	tw.parallel().tween_property(shot, "modulate:a", 0.0, 0.12).set_delay(0.23)
+	tw.tween_callback(shot.queue_free)
diff --git a/prototypes/dungeon-sweeper-vertical-slice/presentation/views/settlement_fx_view.gd.uid b/prototypes/dungeon-sweeper-vertical-slice/presentation/views/settlement_fx_view.gd.uid
new file mode 100644
index 00000000..a741a9f3
--- /dev/null
+++ b/prototypes/dungeon-sweeper-vertical-slice/presentation/views/settlement_fx_view.gd.uid
@@ -0,0 +1 @@
+uid://mkuyrjn8w8ew
diff --git a/prototypes/dungeon-sweeper-vertical-slice/presentation/views/standee_view.gd b/prototypes/dungeon-sweeper-vertical-slice/presentation/views/standee_view.gd
index 0278df0c..93097766 100644
--- a/prototypes/dungeon-sweeper-vertical-slice/presentation/views/standee_view.gd
+++ b/prototypes/dungeon-sweeper-vertical-slice/presentation/views/standee_view.gd
@@ -30,6 +30,7 @@ var _enemy_id := ""
 var _armor := "light"
 var _armor_class := 0
 var _dead := false
+var _hp_tween: Tween
 
 
 func _init(kind: String = "enemy") -> void:
@@ -121,7 +122,7 @@ func set_data(d: Dictionary) -> void:
 	_armor = String(d.get("armor_type", "light"))
 	_armor_class = int(d.get("armor_class", 0))
 	_hp_bar.max_value = maxi(1, int(d.get("max_hp", 1)))
-	_hp_bar.value = int(d.get("hp", 0))
+	_set_hp(int(d.get("hp", 0)))
 	set_order(int(d.get("order", 1)))
 	set_pending(String(d.get("pending_type", "")), String(d.get("pending_skill", "")))
 	set_effects(d.get("effects", []))
@@ -133,11 +134,20 @@ func set_data(d: Dictionary) -> void:
 
 func set_hero(hp: int, max_hp: int) -> void:
 	_hp_bar.max_value = maxi(1, max_hp)
-	_hp_bar.value = hp
+	_set_hp(hp)
+
+
+# 血条短 tween 递减（§2.2 直角递减占位——密度/缓动终稿归战斗表现批）；逐行刷新时重启 tween 不累积
+func _set_hp(hp: int) -> void:
+	var target := float(clampi(hp, 0, int(_hp_bar.max_value)))
+	if _hp_tween != null and _hp_tween.is_valid():
+		_hp_tween.kill()
+	_hp_tween = create_tween()
+	_hp_tween.tween_property(_hp_bar, "value", target, 0.15)
 
 
 func set_idle() -> void:
-	_hp_bar.value = 0
+	_set_hp(0)
 	set_effects([])
 
 
@@ -227,7 +237,7 @@ func mark_dead() -> void:
 	_refresh_portrait_glyph()
 	if _intent_badge != null:
 		_intent_badge.visible = false
-	_hp_bar.value = 0
+	_set_hp(0)
 
 
 func is_dead() -> bool: