diff --git a/apps/ai-game-creator-shell/src/view/project-development/index.tsx b/apps/ai-game-creator-shell/src/view/project-development/index.tsx
index c45aa1a30..31b1b75a2 100644
--- a/apps/ai-game-creator-shell/src/view/project-development/index.tsx
+++ b/apps/ai-game-creator-shell/src/view/project-development/index.tsx
@@ -188,6 +188,13 @@ import {
   zoomResourceBookViewport,
 } from './resourceBookViewport';
 import { createResourceCanvasPageCategorySignature } from './resourceCanvasController';
+import {
+  buildResourceFilterTagOptions,
+  filterCanvasResources,
+  RESOURCE_FILTER_ALL_REGION,
+  resourceFilterIsActive,
+  type ResourceFilterRegion,
+} from './resourceCanvasFilterModel';
 import {
   createResourceCanvasCardSizeByResourceId,
   fitResourceCanvasViewportToContent,
@@ -231,6 +238,11 @@ import {
   resolveResourceEditRequestIdentity,
   type ResourceEditRequestIdentity,
 } from './resourceEditModel';
+import { ResourceFilterPanel } from './ResourceFilterPanel';
+import {
+  openResourceCardFloatingPanelState,
+  type ResourceCardFloatingPanelKind,
+} from './resourceFloatingPanelModel';
 import {
   ResourceInfoFieldsView,
   ResourceInfoPanelView,
@@ -1402,6 +1414,15 @@ export default function ProjectDevelopmentView({
    */
   const [resourceSearchOpen, setResourceSearchOpen] = useState(false);
   const resourceSearchId = useId();
+  /**
+   * 筛选浮层的开合。与搜索浮层同一个右下角锚点，两者不得同时展开。
+   *
+   * 这里**只**存开合与已选标签；「区域」不存第二份——它就是画布当前栏目，
+   * 由下方 `resourceFilterRegion` 从 `resourceBookState` 派生。
+   */
+  const [resourceFilterOpen, setResourceFilterOpen] = useState(false);
+  const resourceFilterId = useId();
+  const [resourceFilterTags, setResourceFilterTags] = useState<string[]>([]);
   const [resourceCanvasViewports, setResourceCanvasViewports] =
     useState<ResourceCanvasViewportBySortMode>(defaultResourceCanvasViewports);
   const resourceCanvasViewportTargetsRef = useRef(
@@ -1535,6 +1556,8 @@ export default function ProjectDevelopmentView({
   /** 右下角 Dock 里的搜索按钮：开合搜索浮层，也是浮层「点外部 / Esc」边界的一半。 */
   const resourceSearchTriggerRef = useRef<HTMLButtonElement>(null);
   const resourceSearchPopoverRef = useRef<HTMLLabelElement>(null);
+  /** 右下角 Dock 里的筛选按钮：开合筛选浮层，也是该浮层「点外部 / Esc」边界的一半。 */
+  const resourceFilterTriggerRef = useRef<HTMLButtonElement>(null);
   const resourceFocusProjectPathRef = useRef(projectPath);
   /** 框选命中测试用的资源卡图层与当前画本视口，渲染期同步赋值。 */
   const marqueeHitTestLayersRef = useRef<CanvasLayer[]>([]);
@@ -1576,6 +1599,24 @@ export default function ProjectDevelopmentView({
     resourceCharacterAnimationRequestRef.current = null;
   }, []);
 
+  /**
+   * 开启资源卡旁的浮层：**开一个必然收起另一个**。
+   *
+   * 「快速编辑」与「生成动画」挂在同一位置，两个都开就会叠在一起；互斥规则收在
+   * `resourceFloatingPanelModel` 一处并被两个入口共用，因此不会只修好一边。
+   */
+  const applyResourceCardFloatingPanelOpen = useCallback(
+    (kind: ResourceCardFloatingPanelKind) => {
+      const { closed } = openResourceCardFloatingPanelState(kind);
+      if (closed === 'quick-edit') {
+        closeResourceQuickEditPanel();
+      } else {
+        closeResourceCharacterAnimationPanel();
+      }
+    },
+    [closeResourceCharacterAnimationPanel, closeResourceQuickEditPanel],
+  );
+
   /**
    * 清资源画布焦点：对齐美术画布 `clearCanvasFocus()`。
    *
@@ -2212,25 +2253,56 @@ export default function ProjectDevelopmentView({
         .map((resource) => resource.id),
     );
   }, [resources, selectedResourceId]);
-  const normalizedSearch = searchText.trim().toLowerCase();
   /**
-   * 画布可见资源只由搜索框收窄：功能分类筛选条、画布标签筛选与左侧栏目大纲导航
-   * 已按用户要求移除，分区栏目本身（`categoryOrder` / 栏目标题栏 / 总览缩略卡片）不受影响。
+   * 筛选区域 = 画布当前栏目本身，**不另存一份区域状态**。
+   *
+   * 画布不在分页栏目里（总览态、或停在「所有资源」页）时视为「全部区域」；切换区域
+   * 走下方既有 `openResourceBookChild`，与栏目切换完全同一条路径，因此滚轮 / 总览卡片 /
+   * 下一页换栏目时这里自动跟随，不需要双向同步。
+   */
+  const resourceFilterRegion: ResourceFilterRegion =
+    resourceBookView === 'child' && resourceBookState.category !== null
+      ? (resourceBookState.category as ResourceFilterRegion)
+      : RESOURCE_FILTER_ALL_REGION;
+  /**
+   * 画布可见资源由筛选浮层的三个维度收窄：区域、标签（AND）、关键词。
+   *
+   * 关键词与搜索浮层共用同一份 `searchText`；判据收在 `resourceCanvasFilterModel`
+   * 一处，两个入口对同一关键词给出同一结果。分区栏目本身（`categoryOrder` /
+   * 栏目标题栏 / 总览缩略卡片）不受影响，`visibleResourcesByCategory` 由这里派生，
+   * 所以「区域=具体栏目时只筛该栏目」与「区域=全部时筛全量」共用同一份实现。
    */
   const visibleResources = useMemo(
     () =>
-      canvasResources.filter((resource) =>
-        normalizedSearch
-          ? [
-              resource.label,
-              resource.path,
-              resource.mediaType,
-              resource.taskTitle ?? '',
-            ].some((value) => value.toLowerCase().includes(normalizedSearch))
-          : true,
-      ),
-    [canvasResources, normalizedSearch],
+      filterCanvasResources(canvasResources, {
+        region: resourceFilterRegion,
+        tags: resourceFilterTags,
+        keyword: searchText,
+      }),
+    [canvasResources, resourceFilterRegion, resourceFilterTags, searchText],
   );
+  /**
+   * 标签库按「区域 + 关键词」派生，**故意不含已选标签**。
+   *
+   * 若拿上面已经过标签收窄的 `visibleResources` 派生，选了一个标签后列表就只剩该标签，
+   * 用户再也选不出第二个标签，AND 多选等于形同废掉。这里独立算一次区域 + 关键词的
+   * 中间集合，保证「当前区域内、符合关键词的标签」始终可选。
+   */
+  const resourceFilterTagItems = useMemo(
+    () =>
+      buildResourceFilterTagOptions(
+        filterCanvasResources(canvasResources, {
+          region: resourceFilterRegion,
+          tags: [],
+          keyword: searchText,
+        }),
+      ),
+    [canvasResources, resourceFilterRegion, searchText],
+  );
+  const resourceFilterActive = resourceFilterIsActive({
+    tags: resourceFilterTags,
+    keyword: searchText,
+  });
   const visibleResourceIds = useMemo(
     () => new Set(visibleResources.map((resource) => resource.id)),
     [visibleResources],
@@ -5348,6 +5420,8 @@ export default function ProjectDevelopmentView({
       if (!resource) {
         return;
       }
+      // 与「生成动画」互斥：两个浮层挂在同一位置，开这个就收起那个。
+      applyResourceCardFloatingPanelOpen('quick-edit');
       setQuickEditSourceLayer(layer);
       const panelDraft = createResourceQuickEditPanelDraft(layer);
       setQuickEditPanel(panelDraft);
@@ -5359,7 +5433,7 @@ export default function ProjectDevelopmentView({
       };
       setResourceWorkbenchNotice('');
     },
-    [canvasResources],
+    [applyResourceCardFloatingPanelOpen, canvasResources],
   );
 
   /**
@@ -5542,7 +5616,8 @@ export default function ProjectDevelopmentView({
       if (!panelDraft) {
         return;
       }
-      closeResourceQuickEditPanel();
+      // 与「快速编辑」互斥：两个浮层挂在同一位置，开这个就收起那个。
+      applyResourceCardFloatingPanelOpen('character-animation');
       setCharacterAnimationSourceLayer(layer);
       setCharacterAnimationPanel({
         ...panelDraft,
@@ -5556,7 +5631,7 @@ export default function ProjectDevelopmentView({
       };
       setResourceWorkbenchNotice('');
     },
-    [canvasResources, closeResourceQuickEditPanel],
+    [applyResourceCardFloatingPanelOpen, canvasResources],
   );
 
   /**
@@ -6367,10 +6442,30 @@ export default function ProjectDevelopmentView({
                     title="搜索资源（Ctrl/Cmd+F）"
                     aria-expanded={resourceSearchOpen}
                     aria-controls={resourceSearchId}
-                    onClick={() => setResourceSearchOpen((current) => !current)}
+                    onClick={() => {
+                      // 搜索与筛选是同一个右下角锚点上的两个浮层，不得同时展开。
+                      setResourceFilterOpen(false);
+                      setResourceSearchOpen((current) => !current);
+                    }}
                   >
                     <Search size={16} aria-hidden="true" />
                   </button>
+                  <button
+                    ref={resourceFilterTriggerRef}
+                    type="button"
+                    className={`game-resource-book-zoom-button${resourceFilterActive ? ' is-active' : ''}`}
+                    aria-label="筛选资源"
+                    title="筛选资源"
+                    aria-expanded={resourceFilterOpen}
+                    aria-controls={resourceFilterId}
+                    onClick={() => {
+                      // 与搜索浮层互斥：打开筛选即收起搜索，避免两个浮层叠在同一点。
+                      setResourceSearchOpen(false);
+                      setResourceFilterOpen((current) => !current);
+                    }}
+                  >
+                    <SlidersHorizontal size={16} aria-hidden="true" />
+                  </button>
                 </div>
                 {resourceSearchOpen ? (
                   <label
@@ -6400,6 +6495,35 @@ export default function ProjectDevelopmentView({
                     />
                   </label>
                 ) : null}
+                {resourceFilterOpen ? (
+                  <div id={resourceFilterId}>
+                    <ResourceFilterPanel
+                      onClose={() => setResourceFilterOpen(false)}
+                      keyword={searchText}
+                      onKeywordChange={(value) => {
+                        advanceFocusGeneration();
+                        setSearchText(value);
+                        setHiddenCommittedResourceId(null);
+                      }}
+                      region={resourceFilterRegion}
+                      onRegionChange={(region) => {
+                        // 区域即画布栏目：走既有栏目切换，不另维护一份区域状态。
+                        // 「全部区域」对应既有的「所有资源」分组页。
+                        openResourceBookChild(region);
+                      }}
+                      activeTags={resourceFilterTags}
+                      onToggleTag={(tag) => {
+                        setResourceFilterTags((current) =>
+                          current.includes(tag)
+                            ? current.filter((item) => item !== tag)
+                            : [...current, tag],
+                        );
+                      }}
+                      tagItems={resourceFilterTagItems}
+                      triggerRef={resourceFilterTriggerRef}
+                    />
+                  </div>
+                ) : null}
                 <div className="game-resource-book-notices">
                   {resourceLayoutReadNotice ? (
                     <div
diff --git a/apps/ai-game-creator-shell/src/view/project-development/resourceCanvasFilterModel.ts b/apps/ai-game-creator-shell/src/view/project-development/resourceCanvasFilterModel.ts
index 4cef9f6a1..7e7db1007 100644
--- a/apps/ai-game-creator-shell/src/view/project-development/resourceCanvasFilterModel.ts
+++ b/apps/ai-game-creator-shell/src/view/project-development/resourceCanvasFilterModel.ts
@@ -128,13 +128,15 @@ export function filterCanvasResources(
  *
  * 供宿主给 Dock 按钮打高亮用：条件不会随浮层收起一起消失，按钮必须能看出
  * 「当前有筛选」，否则用户会以为资源丢了——沿用搜索按钮既有的 `is-active` 口径。
+ *
+ * **只看关键词与标签两个维度，不含区域**：区域就是画布当前栏目，用户用滚轮滚动
+ * 栏目时它照样在变，把它算进高亮会让按钮在「只是换了一栏看」时也常亮，反而掩盖
+ * 真正的筛选状态。
  */
-export function resourceFilterIsActive(filter: ResourceCanvasFilter) {
-  return (
-    filter.region !== RESOURCE_FILTER_ALL_REGION ||
-    filter.tags.length > 0 ||
-    filter.keyword.trim().length > 0
-  );
+export function resourceFilterIsActive(
+  filter: Pick<ResourceCanvasFilter, 'tags' | 'keyword'>,
+) {
+  return filter.tags.length > 0 || filter.keyword.trim().length > 0;
 }
 
 /**
diff --git a/apps/ai-game-creator-shell/src/view/project-development/resourceFloatingPanelModel.ts b/apps/ai-game-creator-shell/src/view/project-development/resourceFloatingPanelModel.ts
new file mode 100644
index 000000000..bdbfe9f84
--- /dev/null
+++ b/apps/ai-game-creator-shell/src/view/project-development/resourceFloatingPanelModel.ts
@@ -0,0 +1,31 @@
+/**
+ * 资源卡旁那一组浮层——「快速编辑」与「生成动画」——的开关合成。
+ *
+ * 两者挂在同一个选中资源卡旁、同一位置：同时打开就会叠在一起。**互斥规则只有一处**，
+ * 两个开启入口都读它，因此「开动画→点快速编辑」与「开快速编辑→点动画」不会只修好一边。
+ */
+export type ResourceCardFloatingPanelKind =
+  | 'quick-edit'
+  | 'character-animation';
+
+/** 另一个浮层是什么。互斥就是「开 A 必然关 B」，所以只要求出 B 即可。 */
+export function opposingResourceCardFloatingPanel(
+  kind: ResourceCardFloatingPanelKind,
+): ResourceCardFloatingPanelKind {
+  return kind === 'quick-edit' ? 'character-animation' : 'quick-edit';
+}
+
+/**
+ * 开启某个浮层时，两个浮层各自应当处于什么状态。
+ *
+ * 返回的 `open` 就是被点开的那个，`closed` 是必然被收起的另一个；因此结果里
+ * **永远不可能两个都为真**。
+ */
+export function openResourceCardFloatingPanelState(
+  kind: ResourceCardFloatingPanelKind,
+): {
+  open: ResourceCardFloatingPanelKind;
+  closed: ResourceCardFloatingPanelKind;
+} {
+  return { open: kind, closed: opposingResourceCardFloatingPanel(kind) };
+}
diff --git a/apps/ai-game-creator-shell/tests/resourceCanvasFilterModel.test.ts b/apps/ai-game-creator-shell/tests/resourceCanvasFilterModel.test.ts
index 631338e90..b8102325e 100644
--- a/apps/ai-game-creator-shell/tests/resourceCanvasFilterModel.test.ts
+++ b/apps/ai-game-creator-shell/tests/resourceCanvasFilterModel.test.ts
@@ -256,7 +256,7 @@ describe('资源画布筛选模型', () => {
     expect(resourceMatchesRegion(UI_RESOURCE, 'character')).toBe(false);
   });
 
-  it('筛选生效判据：区域非全部、或有标签、或有关键词', () => {
+  it('筛选生效判据只看关键词与标签：区域只是画布当前栏目，不计入高亮', () => {
     expect(
       resourceFilterIsActive({ region: 'all', tags: [], keyword: '' }),
     ).toBe(false);
@@ -264,9 +264,10 @@ describe('资源画布筛选模型', () => {
     expect(
       resourceFilterIsActive({ region: 'all', tags: [], keyword: '   ' }),
     ).toBe(false);
+    // 区域切到别的栏目不等于「有筛选」：用户滚轮换栏时按钮不该常亮。
     expect(
       resourceFilterIsActive({ region: 'audio', tags: [], keyword: '' }),
-    ).toBe(true);
+    ).toBe(false);
     expect(
       resourceFilterIsActive({ region: 'all', tags: ['主页'], keyword: '' }),
     ).toBe(true);
diff --git a/apps/ai-game-creator-shell/tests/resourceFloatingPanelModel.test.ts b/apps/ai-game-creator-shell/tests/resourceFloatingPanelModel.test.ts
new file mode 100644
index 000000000..ed8e7c3ef
--- /dev/null
+++ b/apps/ai-game-creator-shell/tests/resourceFloatingPanelModel.test.ts
@@ -0,0 +1,124 @@
+import { describe, expect, it } from 'vitest';
+
+import {
+  openResourceCardFloatingPanelState,
+  opposingResourceCardFloatingPanel,
+  type ResourceCardFloatingPanelKind,
+} from '../src/view/project-development/resourceFloatingPanelModel';
+
+/**
+ * 用一个真实的两布尔状态跑「开启某个浮层」这一步，模拟宿主里两个 state 的实际结果，
+ * 这样断言的是「最终会不会两个都开着」，而不是只看模型返回值的形状。
+ */
+function openPanel(
+  state: { quickEditOpen: boolean; characterAnimationOpen: boolean },
+  kind: ResourceCardFloatingPanelKind,
+) {
+  const { open, closed } = openResourceCardFloatingPanelState(kind);
+  const next = { ...state };
+  if (open === 'quick-edit') next.quickEditOpen = true;
+  else next.characterAnimationOpen = true;
+  if (closed === 'quick-edit') next.quickEditOpen = false;
+  else next.characterAnimationOpen = false;
+  return next;
+}
+
+const BOTH_CLOSED = { quickEditOpen: false, characterAnimationOpen: false };
+
+describe('资源卡旁浮层的互斥开关', () => {
+  it('互相是对方的对端，且对端是自身的逆', () => {
+    expect(opposingResourceCardFloatingPanel('quick-edit')).toBe(
+      'character-animation',
+    );
+    expect(opposingResourceCardFloatingPanel('character-animation')).toBe(
+      'quick-edit',
+    );
+    for (const kind of [
+      'quick-edit',
+      'character-animation',
+    ] as const satisfies readonly ResourceCardFloatingPanelKind[]) {
+      expect(
+        opposingResourceCardFloatingPanel(
+          opposingResourceCardFloatingPanel(kind),
+        ),
+      ).toBe(kind);
+    }
+  });
+
+  it('开一个必然关另一个：返回的 open 与 closed 永远不同', () => {
+    for (const kind of [
+      'quick-edit',
+      'character-animation',
+    ] as const satisfies readonly ResourceCardFloatingPanelKind[]) {
+      const { open, closed } = openResourceCardFloatingPanelState(kind);
+      expect(open).toBe(kind);
+      expect(closed).not.toBe(open);
+    }
+  });
+
+  /**
+   * 变异验证①：把 `openResourceCardFloatingPanelState` 的 `closed` 写成恒为
+   * `'quick-edit'`（或删掉对端推导），下面这一条必须变红。
+   *
+   * 方向一：先开「生成动画」，再点「快速编辑」→ 动画必须被收起。
+   */
+  it('开动画后再点快速编辑，动画被收起', () => {
+    const afterAnimation = openPanel(BOTH_CLOSED, 'character-animation');
+    expect(afterAnimation).toEqual({
+      quickEditOpen: false,
+      characterAnimationOpen: true,
+    });
+
+    const afterQuickEdit = openPanel(afterAnimation, 'quick-edit');
+    expect(afterQuickEdit).toEqual({
+      quickEditOpen: true,
+      characterAnimationOpen: false,
+    });
+  });
+
+  /**
+   * 变异验证②：同一条规则的另一半。
+   *
+   * 方向二：先开「快速编辑」，再点「生成动画」→ 快速编辑必须被收起。
+   * 只修一个方向时这条会红。
+   */
+  it('开快速编辑后再点动画，快速编辑被收起', () => {
+    const afterQuickEdit = openPanel(BOTH_CLOSED, 'quick-edit');
+    expect(afterQuickEdit).toEqual({
+      quickEditOpen: true,
+      characterAnimationOpen: false,
+    });
+
+    const afterAnimation = openPanel(afterQuickEdit, 'character-animation');
+    expect(afterAnimation).toEqual({
+      quickEditOpen: false,
+      characterAnimationOpen: true,
+    });
+  });
+
+  it('反复来回点也永远不会两个同时开着', () => {
+    let state = BOTH_CLOSED;
+    const sequence: ResourceCardFloatingPanelKind[] = [
+      'quick-edit',
+      'character-animation',
+      'character-animation',
+      'quick-edit',
+      'quick-edit',
+      'character-animation',
+    ];
+    for (const kind of sequence) {
+      state = openPanel(state, kind);
+      expect(state.quickEditOpen && state.characterAnimationOpen).toBe(false);
+      expect(
+        state.quickEditOpen || state.characterAnimationOpen,
+        `${kind} 之后至少应有一个开着`,
+      ).toBe(true);
+      // 被点开的那个必须是当前开着的那个。
+      expect(
+        kind === 'quick-edit'
+          ? state.quickEditOpen
+          : state.characterAnimationOpen,
+      ).toBe(true);
+    }
+  });
+});