diff --git a/assets/creator-studio/scripts/preview.cjs b/assets/creator-studio/scripts/preview.cjs
index 41e36103..97a334df 100644
--- a/assets/creator-studio/scripts/preview.cjs
+++ b/assets/creator-studio/scripts/preview.cjs
@@ -32,7 +32,7 @@ const mockBootstrap = {
     ],
     selected: [1],
   },
-  tags: { items: ['写作', '产品'], enabled: true },
+  tags: { items: ['写作', '产品'], enabled: true, suggestions: ['写作', '产品', '前端', 'WordPress', '设计'] },
   custom: {},
   customDefs: [],
   featured: { type: '', data: {}, canImage: true, canSlide: false, canVideo: false },
diff --git a/assets/creator-studio/src/components/category-select.tsx b/assets/creator-studio/src/components/category-select.tsx
new file mode 100644
index 00000000..47690b5c
--- /dev/null
+++ b/assets/creator-studio/src/components/category-select.tsx
@@ -0,0 +1,159 @@
+/**
+ * 分类多选下拉。
+ *
+ * 触发器本身就是「已选令牌 + 占位文字」的输入框外观，点开后是带搜索的复选列表：
+ * 作者不用在一屏几十个分类里横向找，输入关键词就能定位。面板 portal 到 body，
+ * 避免被发布设置卡片或页面容器裁剪。
+ *
+ * @package Jio
+ */
+
+import { createPortal, useEffect, useMemo, useState } from '@wordpress/element';
+import { __, sprintf } from '@wordpress/i18n';
+
+import { useAnchoredPanel } from '../hooks/use-anchored-panel';
+
+export type CategoryOption = { id: number; name: string };
+
+type Props = {
+	options: CategoryOption[];
+	value: number[];
+	onChange: (ids: number[]) => void;
+};
+
+export function CategorySelect({ options, value, onChange }: Props) {
+	const [open, setOpen] = useState(false);
+	const [query, setQuery] = useState('');
+	const { triggerRef, panelRef, position } = useAnchoredPanel<HTMLDivElement>({
+		open,
+		width: 320,
+		align: 'start',
+		followScroll: true,
+		onDismiss: () => setOpen(false),
+	});
+
+	const selected = useMemo(() => new Set(value), [value]);
+	const chosen = useMemo(
+		() => options.filter((option) => selected.has(option.id)),
+		[options, selected]
+	);
+	const filtered = useMemo(() => {
+		const keyword = query.trim().toLowerCase();
+		if (keyword === '') {
+			return options;
+		}
+		return options.filter((option) => option.name.toLowerCase().includes(keyword));
+	}, [options, query]);
+
+	// 每次打开都从干净的搜索词开始，避免上次的过滤条件把列表藏起来。
+	useEffect(() => {
+		if (!open) {
+			setQuery('');
+		}
+	}, [open]);
+
+	const toggle = (id: number) => {
+		onChange(
+			selected.has(id) ? value.filter((item) => item !== id) : [...value, id]
+		);
+	};
+
+	const panel = open
+		? createPortal(
+				<div
+					ref={panelRef}
+					className={`jio-creator-picker is-${position.placement}`}
+					style={{ left: `${position.left}px`, top: `${position.top}px`, width: `${position.width}px` }}
+				>
+					<div className="jio-creator-picker__search">
+						<i className="fa fas fa-search" aria-hidden="true" />
+						<input
+							type="search"
+							value={query}
+							placeholder={__('搜索分类', 'jio')}
+							aria-label={__('搜索分类', 'jio')}
+							// 打开即可输入：分类列表通常很长，键盘操作比翻找更快。
+							autoFocus
+							onChange={(event) => setQuery(event.target.value)}
+						/>
+					</div>
+					<div className="jio-creator-picker__list" aria-label={__('分类', 'jio')}>
+						{filtered.length === 0 && (
+							<p className="jio-creator-picker__empty">{__('没有匹配的分类', 'jio')}</p>
+						)}
+						{filtered.map((option) => {
+							const active = selected.has(option.id);
+							return (
+								<label
+									key={option.id}
+									className={`jio-creator-picker__item${active ? ' is-active' : ''}`}
+								>
+									<input type="checkbox" checked={active} onChange={() => toggle(option.id)} />
+									<span className="jio-creator-picker__name">{option.name}</span>
+									<i className="fa fas fa-check jio-creator-picker__check" aria-hidden="true" />
+								</label>
+							);
+						})}
+					</div>
+					<div className="jio-creator-picker__foot">
+						<span className="jio-creator-picker__count">
+							{sprintf(
+								/* translators: %d: number of selected categories */
+								__('已选 %d 个', 'jio'),
+								value.length
+							)}
+						</span>
+						<button type="button" className="jio-creator-picker__done" onClick={() => setOpen(false)}>
+							{__('完成', 'jio')}
+						</button>
+					</div>
+				</div>,
+				document.body
+			)
+		: null;
+
+	return (
+		<div className="jio-creator-select" ref={triggerRef}>
+			<div
+				className={`jio-creator-select__control${open ? ' is-open' : ''}`}
+				onClick={() => setOpen((value) => !value)}
+				role="button"
+				tabIndex={0}
+				aria-haspopup="dialog"
+				aria-expanded={open ? 'true' : 'false'}
+				onKeyDown={(event) => {
+					if (event.key === 'Enter' || event.key === ' ') {
+						event.preventDefault();
+						setOpen((value) => !value);
+					}
+				}}
+			>
+				<span className="jio-creator-select__tokens">
+					{chosen.length === 0 ? (
+						<span className="jio-creator-select__placeholder">{__('选择分类（可多选）', 'jio')}</span>
+					) : (
+						chosen.map((option) => (
+							<span key={option.id} className="jio-creator-select__token">
+								<span className="jio-creator-select__token-label">{option.name}</span>
+								<button
+									type="button"
+									className="jio-creator-select__token-x"
+									aria-label={sprintf(__('移除分类 %s', 'jio'), option.name)}
+									onClick={(event) => {
+										// 令牌上的叉号只移除这一项，不要顺带展开面板。
+										event.stopPropagation();
+										toggle(option.id);
+									}}
+								>
+									<i className="fa fas fa-times" aria-hidden="true" />
+								</button>
+							</span>
+						))
+					)}
+				</span>
+				<i className="fa fas fa-caret-down jio-creator-select__caret" aria-hidden="true" />
+			</div>
+			{panel}
+		</div>
+	);
+}
diff --git a/assets/creator-studio/src/components/publish-settings.tsx b/assets/creator-studio/src/components/publish-settings.tsx
index 23a19efd..a9813034 100644
--- a/assets/creator-studio/src/components/publish-settings.tsx
+++ b/assets/creator-studio/src/components/publish-settings.tsx
@@ -11,13 +11,16 @@
 import { useMemo, useState } from '@wordpress/element';
 import { __, sprintf } from '@wordpress/i18n';
 
+import { CategorySelect, type CategoryOption } from './category-select';
+import { TagInput } from './tag-input';
 import type { PayState } from '../draft';
 
 type Featured = { type: string; data: Record<string, any>; mediaId?: number };
 
 export type TaxonomyDef = {
-	categories: Array<{ id: number; name: string }>;
-	tags: boolean;
+	categories: CategoryOption[];
+	/** 标签是否开放；开放时附带站点已有标签，用于输入建议。 */
+	tags: { enabled: boolean; suggestions: string[] };
 	customDefs: Array<{ key: string; name: string; values: Array<{ key: string; name: string }> }>;
 };
 
@@ -44,7 +47,6 @@ type Props = {
 };
 
 const bootstrap: Record<string, any> = window['jioCreatorStudio'] || {};
-const nonce: string = bootstrap.nonce || '';
 
 const pad = (value: number): string => String(value).padStart(2, '0');
 
@@ -77,30 +79,10 @@ export function PublishSettings({
 	onCustomChange,
 	onOpenPaySettings,
 }: Props) {
-	const [tagInput, setTagInput] = useState('');
 	const [error, setError] = useState('');
 	const minSchedule = useMemo(() => toLocalInput(new Date(Date.now() + 5 * 60 * 1000)), []);
 	const coverUrl = typeof featured?.data?.url === 'string' ? featured.data.url : '';
 
-	const toggleCategory = (id: number) => {
-		onCategoriesChange(
-			categories.includes(id) ? categories.filter((value) => value !== id) : [...categories, id]
-		);
-	};
-
-	const addTag = () => {
-		const value = tagInput.trim();
-		if (!value) {
-			return;
-		}
-		const next = value
-			.split(/[,，\n]+/u)
-			.map((item) => item.trim())
-			.filter(Boolean);
-		onTagsChange(Array.from(new Set([...tags, ...next])));
-		setTagInput('');
-	};
-
 	const toggleCustom = (key: string, value: string) => {
 		const current = custom[key] || [];
 		onCustomChange({
@@ -150,67 +132,24 @@ export function PublishSettings({
 			<div className="jio-creator__setting-row jio-creator__setting-row--stack">
 				<div className="jio-creator__setting-copy">
 					<span className="jio-creator__setting-label">{__('分类', 'jio')}</span>
-					<p className="jio-creator__setting-help">{__('必选，决定文章出现在哪些栏目。', 'jio')}</p>
-				</div>
-				<div className="jio-creator-chips">
-					{taxonomy.categories.length === 0 && (
-						<span className="jio-creator-muted">{__('暂无可选分类', 'jio')}</span>
-					)}
-					{taxonomy.categories.map((category) => (
-						<label
-							key={category.id}
-							className={`jio-creator-chip${categories.includes(category.id) ? ' is-active' : ''}`}
-						>
-							<input
-								type="checkbox"
-								checked={categories.includes(category.id)}
-								onChange={() => toggleCategory(category.id)}
-							/>
-							<span>{category.name}</span>
-						</label>
-					))}
+					<p className="jio-creator__setting-help">{__('必选，可多选，决定文章出现在哪些栏目。', 'jio')}</p>
 				</div>
+				{taxonomy.categories.length === 0 ? (
+					<p className="jio-creator-muted">{__('暂无可选分类', 'jio')}</p>
+				) : (
+					<CategorySelect options={taxonomy.categories} value={categories} onChange={onCategoriesChange} />
+				)}
 			</div>
 
-			{taxonomy.tags && (
+			{taxonomy.tags.enabled && (
 				<div className="jio-creator__setting-row jio-creator__setting-row--stack">
 					<div className="jio-creator__setting-copy">
 						<span className="jio-creator__setting-label">{__('标签', 'jio')}</span>
-						<p className="jio-creator__setting-help">{__('多个标签用逗号分隔，回车即可添加。', 'jio')}</p>
-					</div>
-					<div>
-						{tags.length > 0 && (
-							<div className="jio-creator-chips">
-								{tags.map((tag) => (
-									<span key={tag} className="jio-creator-chip is-active">
-										<span>{tag}</span>
-										<button
-											type="button"
-											onClick={() => onTagsChange(tags.filter((value) => value !== tag))}
-											aria-label={sprintf(__('移除标签 %s', 'jio'), tag)}
-										>
-											<i className="fa fas fa-times" aria-hidden="true" />
-										</button>
-									</span>
-								))}
-							</div>
-						)}
-						<div className="jio-creator-inline">
-							<input
-								type="text"
-								value={tagInput}
-								placeholder={__('输入标签，逗号分隔', 'jio')}
-								onChange={(event) => setTagInput(event.target.value)}
-								onKeyDown={(event) => {
-									if (event.key === 'Enter') {
-										event.preventDefault();
-										addTag();
-									}
-								}}
-							/>
-							<button type="button" onClick={addTag}>{__('添加', 'jio')}</button>
-						</div>
+						<p className="jio-creator__setting-help">
+							{__('可直接输入新标签，回车或逗号分隔；也可从站点已有标签中选择。', 'jio')}
+						</p>
 					</div>
+					<TagInput value={tags} suggestions={taxonomy.tags.suggestions} onChange={onTagsChange} />
 				</div>
 			)}
 
diff --git a/assets/creator-studio/src/components/tag-input.tsx b/assets/creator-studio/src/components/tag-input.tsx
new file mode 100644
index 00000000..c9cd5892
--- /dev/null
+++ b/assets/creator-studio/src/components/tag-input.tsx
@@ -0,0 +1,194 @@
+/**
+ * 标签输入框（可创建 + 站点标签建议）。
+ *
+ * 标签在 WordPress 里本来就是"没有就建"的自由词条，所以这里的主交互是输入框：
+ * - 回车 / 逗号 / 顿号 / 分号 / 换行都算一个标签的结束；
+ * - 输入时在下方列出站点已有标签作为建议，点选即可复用，避免同义标签散落；
+ * - 面板里没有匹配项时，回车直接把输入内容建成新标签。
+ *
+ * @package Jio
+ */
+
+import { createPortal, useEffect, useMemo, useState } from '@wordpress/element';
+import { __, sprintf } from '@wordpress/i18n';
+
+import { useAnchoredPanel } from '../hooks/use-anchored-panel';
+
+type Props = {
+	value: string[];
+	suggestions: string[];
+	onChange: (tags: string[]) => void;
+};
+
+const MAX_SUGGESTIONS = 8;
+/** 一个标签的结束符：中英文逗号、顿号、分号、换行。 */
+const SEPARATORS = /[,，、;；\n]+/u;
+
+const normalize = (value: string): string => value.trim().replace(/\s+/g, ' ');
+
+export function TagInput({ value, suggestions, onChange }: Props) {
+	const [open, setOpen] = useState(false);
+	const [text, setText] = useState('');
+	const { triggerRef, panelRef, position } = useAnchoredPanel<HTMLDivElement>({
+		open,
+		width: 320,
+		align: 'start',
+		followScroll: true,
+		onDismiss: () => setOpen(false),
+	});
+
+	const lower = useMemo(() => new Set(value.map((tag) => tag.toLowerCase())), [value]);
+	const keyword = text.trim().toLowerCase();
+	const matches = useMemo(() => {
+		const pool = suggestions.filter(
+			(tag) => !lower.has(tag.toLowerCase()) && (keyword === '' || tag.toLowerCase().includes(keyword))
+		);
+		return pool.slice(0, MAX_SUGGESTIONS);
+	}, [suggestions, lower, keyword]);
+
+	// 已经有完全相同的标签时不再提示「创建」，避免产生重复词条。
+	const canCreate =
+		keyword !== '' && !suggestions.some((tag) => tag.toLowerCase() === keyword) && !lower.has(keyword);
+
+	/** 输入框里的文本按分隔符切成标签，与前台投稿的 `tags` 文本框同一口径。 */
+	const commit = (raw: string) => {
+		// 只和已有标签比对，避免同一批输入里的重复项漏网。
+		const taken = new Set(value.map((tag) => tag.toLowerCase()));
+		const parts: string[] = [];
+		raw.split(SEPARATORS).forEach((piece) => {
+			const tag = normalize(piece);
+			const key = tag.toLowerCase();
+			if (tag === '' || taken.has(key)) {
+				return;
+			}
+			taken.add(key);
+			parts.push(tag);
+		});
+		setText('');
+		if (parts.length > 0) {
+			onChange([...value, ...parts]);
+		}
+	};
+
+	const remove = (tag: string) => {
+		onChange(value.filter((item) => item !== tag));
+	};
+
+	// 输入框获得焦点即展开建议面板；面板里的按钮用 mousedown 阻止默认行为，
+	// 不会让输入框先失焦，作者可以连续点选多个标签。
+	const focusInput = () => setOpen(true);
+
+	const panel = open
+		? createPortal(
+				<div
+					ref={panelRef}
+					className={`jio-creator-picker is-${position.placement}`}
+					style={{ left: `${position.left}px`, top: `${position.top}px`, width: `${position.width}px` }}
+				>
+					{matches.length > 0 && (
+						<>
+							<p className="jio-creator-picker__title">{__('站点已有标签', 'jio')}</p>
+							<div className="jio-creator-picker__list" role="group" aria-label={__('标签建议', 'jio')}>
+								{matches.map((tag) => (
+									<button
+										key={tag}
+										type="button"
+										className="jio-creator-picker__item"
+										// 按钮获得焦点会抢走输入框光标，用 mousedown 阻止默认行为。
+										onMouseDown={(event) => event.preventDefault()}
+										onClick={() => {
+											onChange([...value, tag]);
+											setText('');
+										}}
+									>
+										<i className="fa fas fa-hashtag jio-creator-picker__icon" aria-hidden="true" />
+										<span className="jio-creator-picker__name">{tag}</span>
+										<i className="fa fas fa-plus jio-creator-picker__check" aria-hidden="true" />
+									</button>
+								))}
+							</div>
+						</>
+					)}
+					{canCreate && (
+						<button
+							type="button"
+							className="jio-creator-picker__item jio-creator-picker__item--create"
+							onMouseDown={(event) => event.preventDefault()}
+							onClick={() => commit(text)}
+						>
+							<i className="fa fas fa-plus jio-creator-picker__icon" aria-hidden="true" />
+							<span className="jio-creator-picker__name">
+								{sprintf(
+									/* translators: %s: tag name typed by the author */
+									__('新建标签「%s」', 'jio'),
+									text.trim()
+								)}
+							</span>
+						</button>
+					)}
+					{matches.length === 0 && !canCreate && (
+						<p className="jio-creator-picker__empty">
+							{keyword === '' ? __('还没有可用的站点标签', 'jio') : __('没有匹配的标签，回车即可新建', 'jio')}
+						</p>
+					)}
+					<p className="jio-creator-picker__foot-hint">
+						{__('回车或逗号分隔多个标签', 'jio')}
+					</p>
+				</div>,
+				document.body
+			)
+		: null;
+
+	return (
+		<div ref={triggerRef} className="jio-creator-tagbox">
+			<div className={`jio-creator-tagbox__control${open ? ' is-open' : ''}`}>
+				{value.map((tag) => (
+					<span key={tag} className="jio-creator-select__token">
+						<span className="jio-creator-select__token-label">{tag}</span>
+						<button
+							type="button"
+							className="jio-creator-select__token-x"
+							aria-label={sprintf(__('移除标签 %s', 'jio'), tag)}
+							// 保持输入框焦点，删完一个标签可以继续输入。
+							onMouseDown={(event) => event.preventDefault()}
+							onClick={() => remove(tag)}
+						>
+							<i className="fa fas fa-times" aria-hidden="true" />
+						</button>
+					</span>
+				))}
+				<input
+					type="text"
+					className="jio-creator-tagbox__input"
+					value={text}
+					placeholder={value.length === 0 ? __('输入标签，回车添加', 'jio') : __('继续添加', 'jio')}
+					onFocus={focusInput}
+					onChange={(event) => {
+						const next = event.target.value;
+						// 粘贴 / 输入了分隔符：立即切分成多个标签。
+						if (SEPARATORS.test(next)) {
+							setOpen(true);
+							commit(next);
+							return;
+						}
+						setText(next);
+						setOpen(true);
+					}}
+					onKeyDown={(event) => {
+						if (event.key === 'Enter') {
+							event.preventDefault();
+							commit(text);
+							return;
+						}
+						// 输入框为空时退格删掉最后一个标签，符合令牌输入框的惯例。
+						if (event.key === 'Backspace' && text === '' && value.length > 0) {
+							event.preventDefault();
+							remove(value[value.length - 1]);
+						}
+					}}
+				/>
+			</div>
+			{panel}
+		</div>
+	);
+}
diff --git a/assets/creator-studio/src/components/tool-menu.tsx b/assets/creator-studio/src/components/tool-menu.tsx
index 86027574..989595f0 100644
--- a/assets/creator-studio/src/components/tool-menu.tsx
+++ b/assets/creator-studio/src/components/tool-menu.tsx
@@ -10,7 +10,9 @@
  * @package Jio
  */
 
-import { createPortal, useEffect, useLayoutEffect, useRef, useState } from '@wordpress/element';
+import { createPortal, useEffect, useState } from '@wordpress/element';
+
+import { useAnchoredPanel } from '../hooks/use-anchored-panel';
 
 export type ToolMenuItem = {
 	key: string;
@@ -38,8 +40,6 @@ type Props = {
 	onRememberSelection?: () => void;
 };
 
-type Position = { left: number; top: number; placement: 'bottom' | 'top' };
-
 const MENU_GAP = 8;
 
 export function ToolMenu({
@@ -53,72 +53,29 @@ export function ToolMenu({
 	onRememberSelection,
 }: Props) {
 	const [open, setOpen] = useState(false);
-	const triggerRef = useRef<HTMLButtonElement | null>(null);
-	const menuRef = useRef<HTMLDivElement | null>(null);
-	const [position, setPosition] = useState<Position>({ left: 0, top: 0, placement: 'bottom' });
-
-	// 打开时按触发器矩形定位；优先向下展开，下方放不下时翻到上方。
-	useLayoutEffect(() => {
-		if (!open) {
-			return;
-		}
-		const update = () => {
-			const trigger = triggerRef.current;
-			if (!trigger) {
-				return;
-			}
-			const rect = trigger.getBoundingClientRect();
-			const menuHeight = menuRef.current?.offsetHeight || 240;
-			const placement: Position['placement'] =
-				rect.bottom + MENU_GAP + menuHeight > window.innerHeight && rect.top > menuHeight
-					? 'top'
-					: 'bottom';
-			const left = Math.min(
-				Math.max(MENU_GAP, rect.left + rect.width / 2 - width / 2),
-				Math.max(MENU_GAP, window.innerWidth - width - MENU_GAP)
-			);
-			const top = placement === 'bottom' ? rect.bottom + MENU_GAP : rect.top - menuHeight - MENU_GAP;
-			setPosition({ left, top, placement });
-		};
-		update();
-		window.addEventListener('resize', update);
-		return () => window.removeEventListener('resize', update);
-	}, [open, width]);
+	const { triggerRef, panelRef, position } = useAnchoredPanel<HTMLButtonElement>({
+		open,
+		width,
+		gap: MENU_GAP,
+		onDismiss: () => setOpen(false),
+	});
 
+	// 工具条下拉在页面滚动时直接收起：菜单是 fixed 定位，滚动后与触发器脱节。
 	useEffect(() => {
 		if (!open) {
 			return undefined;
 		}
-		const onPointerDown = (event: PointerEvent) => {
-			const target = event.target as Node;
-			if (triggerRef.current?.contains(target) || menuRef.current?.contains(target)) {
-				return;
-			}
-			setOpen(false);
-		};
-		const onKeyDown = (event: KeyboardEvent) => {
-			if (event.key === 'Escape') {
-				setOpen(false);
-				triggerRef.current?.focus();
-			}
-		};
 		const onScroll = () => setOpen(false);
-		document.addEventListener('pointerdown', onPointerDown);
-		document.addEventListener('keydown', onKeyDown);
 		window.addEventListener('scroll', onScroll, true);
-		return () => {
-			document.removeEventListener('pointerdown', onPointerDown);
-			document.removeEventListener('keydown', onKeyDown);
-			window.removeEventListener('scroll', onScroll, true);
-		};
+		return () => window.removeEventListener('scroll', onScroll, true);
 	}, [open]);
 
 	const menu = open
 		? createPortal(
 				<div
-					ref={menuRef}
+					ref={panelRef}
 					className={`jio-creator__menu is-${position.placement}`}
-					style={{ left: `${position.left}px`, top: `${position.top}px`, width: `${width}px` }}
+					style={{ left: `${position.left}px`, top: `${position.top}px`, width: `${position.width}px` }}
 					role="menu"
 					aria-label={title || label}
 				>
diff --git a/assets/creator-studio/src/hooks/use-anchored-panel.ts b/assets/creator-studio/src/hooks/use-anchored-panel.ts
new file mode 100644
index 00000000..c51b096d
--- /dev/null
+++ b/assets/creator-studio/src/hooks/use-anchored-panel.ts
@@ -0,0 +1,133 @@
+/**
+ * 浮层定位：把下拉菜单 / 选择面板固定在触发器的旁边。
+ *
+ * 工具条是横向滚动容器，发布设置卡片又可能出现在长页面的任意位置，浮层如果
+ * 直接绝对定位在触发器的 DOM 里，就会被祖先的 `overflow` 裁掉。这里统一把
+ * 浮层 portal 到 body，再用触发器的 `getBoundingClientRect()` 计算 fixed 坐标：
+ * 优先向下展开，下方空间不足时翻到上方，左右不越出视口。
+ *
+ * @package Jio
+ */
+
+import { useEffect, useLayoutEffect, useRef, useState } from '@wordpress/element';
+
+export type AnchoredPosition = {
+	left: number;
+	top: number;
+	width: number;
+	placement: 'bottom' | 'top';
+};
+
+type Options = {
+	open: boolean;
+	/** 面板固定宽度（px）；不传时与触发器同宽。 */
+	width?: number;
+	/** 面板最小宽度（px）。 */
+	minWidth?: number;
+	/** 面板与触发器的间距（px）。 */
+	gap?: number;
+	/** 面板相对触发器的水平对齐方式。 */
+	align?: 'center' | 'start';
+	/** 滚动时跟随重新定位。工具条下拉是滚动即收起，保持默认关闭。 */
+	followScroll?: boolean;
+	/** 点击浮层外部或按 Esc 时调用。 */
+	onDismiss?: () => void;
+};
+
+const VIEWPORT_GAP = 8;
+
+export function useAnchoredPanel<T extends HTMLElement = HTMLElement>({
+	open,
+	width,
+	minWidth = 0,
+	gap = 8,
+	align = 'center',
+	followScroll = false,
+	onDismiss,
+}: Options) {
+	const triggerRef = useRef<T | null>(null);
+	const panelRef = useRef<HTMLDivElement | null>(null);
+	const [position, setPosition] = useState<AnchoredPosition>({
+		left: 0,
+		top: 0,
+		width: width || minWidth,
+		placement: 'bottom',
+	});
+
+	useLayoutEffect(() => {
+		if (!open) {
+			return undefined;
+		}
+		const update = () => {
+			const trigger = triggerRef.current;
+			if (!trigger) {
+				return;
+			}
+			const rect = trigger.getBoundingClientRect();
+			const panelWidth = Math.max(minWidth, width || rect.width);
+			// 先按目标宽度写回面板再量高度：否则首帧宽度为 0，文字全部换行，
+			// 量出来的高度会把「向下展开」误判成「向上翻」。
+			const panel = panelRef.current;
+			if (panel) {
+				panel.style.width = `${panelWidth}px`;
+			}
+			const panelHeight = panel?.offsetHeight || 240;
+			const placement: AnchoredPosition['placement'] =
+				rect.bottom + gap + panelHeight > window.innerHeight && rect.top > panelHeight
+					? 'top'
+					: 'bottom';
+			const preferred = align === 'start' ? rect.left : rect.left + rect.width / 2 - panelWidth / 2;
+			const left = Math.min(
+				Math.max(VIEWPORT_GAP, preferred),
+				Math.max(VIEWPORT_GAP, window.innerWidth - panelWidth - VIEWPORT_GAP)
+			);
+			const top = placement === 'bottom' ? rect.bottom + gap : rect.top - panelHeight - gap;
+			setPosition({ left, top, width: panelWidth, placement });
+		};
+		update();
+		window.addEventListener('resize', update);
+		if (followScroll) {
+			window.addEventListener('scroll', update, true);
+		}
+		return () => {
+			window.removeEventListener('resize', update);
+			if (followScroll) {
+				window.removeEventListener('scroll', update, true);
+			}
+		};
+	}, [open, width, minWidth, gap, align, followScroll]);
+
+	// 点击外部 / Esc 收起。与定位逻辑分开：定位只在打开时算一次，
+	// 关闭时机则依赖文档级事件，两者互不干扰。
+	// 回调存进 ref：调用方通常传内联箭头函数，直接进依赖数组会让监听器
+	// 每次渲染都重新挂载。
+	const dismissRef = useRef(onDismiss);
+	dismissRef.current = onDismiss;
+
+	useEffect(() => {
+		if (!open) {
+			return undefined;
+		}
+		const onPointerDown = (event: PointerEvent) => {
+			const target = event.target as Node;
+			if (triggerRef.current?.contains(target) || panelRef.current?.contains(target)) {
+				return;
+			}
+			dismissRef.current?.();
+		};
+		const onKeyDown = (event: KeyboardEvent) => {
+			if (event.key === 'Escape') {
+				dismissRef.current?.();
+				triggerRef.current?.focus();
+			}
+		};
+		document.addEventListener('pointerdown', onPointerDown);
+		document.addEventListener('keydown', onKeyDown);
+		return () => {
+			document.removeEventListener('pointerdown', onPointerDown);
+			document.removeEventListener('keydown', onKeyDown);
+		};
+	}, [open]);
+
+	return { triggerRef, panelRef, position };
+}
diff --git a/assets/creator-studio/src/index.tsx b/assets/creator-studio/src/index.tsx
index 8a75b6a9..b8b607b5 100644
--- a/assets/creator-studio/src/index.tsx
+++ b/assets/creator-studio/src/index.tsx
@@ -772,7 +772,10 @@ function Studio(): JSX.Element {
 				canPay={!!capabilities.canPay}
 				taxonomy={{
 					categories: (bootstrap.categories && bootstrap.categories.items) || [],
-					tags: !!bootstrap.tags?.enabled,
+					tags: {
+						enabled: !!bootstrap.tags?.enabled,
+						suggestions: (bootstrap.tags && bootstrap.tags.suggestions) || [],
+					},
 					customDefs: bootstrap.customDefs || [],
 				}}
 				categories={draft.categories}
diff --git a/assets/creator-studio/src/styles/_publish-drawer.scss b/assets/creator-studio/src/styles/_publish-drawer.scss
index 192a619e..c9f59068 100644
--- a/assets/creator-studio/src/styles/_publish-drawer.scss
+++ b/assets/creator-studio/src/styles/_publish-drawer.scss
@@ -162,6 +162,7 @@
 	gap: 8px;
 }
 
+/* 自定义分类法仍是少量固定选项的复选标签；分类 / 标签改用下面的选择器。 */
 .jio-creator-chip {
 	display: inline-flex;
 	align-items: center;
@@ -186,40 +187,6 @@
 		background: #eef5f2;
 		color: $accent-strong;
 	}
-
-	button {
-		border: 0;
-		background: transparent;
-		cursor: pointer;
-		color: inherit;
-	}
-}
-
-.jio-creator-inline {
-	display: flex;
-	gap: 8px;
-	margin-top: 10px;
-
-	input[type="text"],
-	input:not([type]) {
-		flex: 1;
-		min-width: 0;
-	}
-
-	input[type="text"],
-	input:not([type]) {
-		height: 36px;
-		padding: 0 12px;
-		border: 1px solid $line;
-		border-radius: 8px;
-	}
-
-	label {
-		display: inline-flex;
-		align-items: center;
-		gap: 6px;
-		font-size: 13px;
-	}
 }
 
 .jio-creator-switch {
@@ -507,3 +474,322 @@
 	text-decoration: underline;
 	cursor: pointer;
 }
+
+/* ---------- 发布设置：分类多选下拉 / 标签令牌输入 ---------- */
+
+/* 触发器外观与卡片里的输入框一致：白底、细边、单行最小 40px 高。 */
+.jio-creator-select,
+.jio-creator-tagbox {
+	position: relative;
+	width: 100%;
+}
+
+.jio-creator-select__control,
+.jio-creator-tagbox__control {
+	display: flex;
+	width: 100%;
+	min-height: 40px;
+	align-items: center;
+	gap: 8px;
+	padding: 6px 10px;
+	border: 1px solid $line;
+	border-radius: 8px;
+	background: #fff;
+	color: $ink;
+	cursor: pointer;
+	text-align: left;
+	transition: border-color 0.16s ease, box-shadow 0.16s ease;
+
+	&:hover {
+		border-color: #d3dbd7;
+	}
+
+	&.is-open,
+	&:focus-within {
+		border-color: $accent;
+		box-shadow: 0 0 0 3px rgba(38, 118, 101, 0.1);
+		outline: 0;
+	}
+}
+
+/* 触发器是容器（内含令牌叉号按钮），键盘聚焦时给出与输入框一致的焦点环。 */
+.jio-creator-select__control:focus-visible {
+	border-color: $accent;
+	box-shadow: 0 0 0 3px rgba(38, 118, 101, 0.1);
+	outline: 0;
+}
+
+.jio-creator-select__tokens,
+.jio-creator-tagbox__control {
+	flex-wrap: wrap;
+}
+
+.jio-creator-select__tokens {
+	display: flex;
+	flex: 1;
+	flex-wrap: wrap;
+	align-items: center;
+	gap: 6px;
+	min-width: 0;
+}
+
+.jio-creator-select__placeholder {
+	color: #b0b8b5;
+	font-size: 13px;
+}
+
+/* 已选令牌：分类与标签共用，保持同一视觉重量。 */
+.jio-creator-select__token {
+	display: inline-flex;
+	max-width: 100%;
+	align-items: center;
+	gap: 5px;
+	padding: 3px 6px 3px 10px;
+	border-radius: 6px;
+	background: #eef5f2;
+	color: $accent-strong;
+	font-size: 12px;
+	line-height: 1.5;
+}
+
+.jio-creator-select__token-label {
+	overflow: hidden;
+	text-overflow: ellipsis;
+	white-space: nowrap;
+}
+
+.jio-creator-select__token-x {
+	display: inline-flex;
+	width: 16px;
+	height: 16px;
+	flex: 0 0 16px;
+	align-items: center;
+	justify-content: center;
+	padding: 0;
+	border: 0;
+	border-radius: 50%;
+	background: transparent;
+	color: inherit;
+	cursor: pointer;
+	font-size: 9px;
+	opacity: 0.7;
+
+	&:hover,
+	&:focus-visible {
+		background: rgba(29, 95, 82, 0.14);
+		outline: 0;
+		opacity: 1;
+	}
+}
+
+.jio-creator-select__caret {
+	flex: 0 0 auto;
+	color: #a9b2ae;
+	font-size: 11px;
+}
+
+.jio-creator-tagbox__input {
+	flex: 1 1 120px;
+	min-width: 120px;
+	height: 26px;
+	padding: 0 2px;
+	border: 0;
+	background: transparent;
+	color: inherit;
+	font: inherit;
+	font-size: 13px;
+
+	&:focus {
+		outline: 0;
+	}
+
+	&::placeholder {
+		color: #b0b8b5;
+	}
+}
+
+/* ---------- 浮层面板（portal 到 body，与工具条菜单同一套语言） ---------- */
+
+.jio-creator-picker {
+	position: fixed;
+	z-index: 620;
+	display: flex;
+	max-height: min(320px, 60vh);
+	flex-direction: column;
+	overflow: hidden;
+	border: 1px solid rgba(24, 39, 34, 0.06);
+	border-radius: 12px;
+	background: #fff;
+	box-shadow: 0 14px 40px rgba(20, 32, 28, 0.16), 0 2px 6px rgba(20, 32, 28, 0.06);
+	animation: jio-menu-in 0.12s ease-out;
+}
+
+.jio-creator-picker.is-top {
+	animation-name: jio-menu-in-up;
+}
+
+.jio-creator-picker__search {
+	display: flex;
+	flex: 0 0 auto;
+	align-items: center;
+	gap: 8px;
+	padding: 10px 12px;
+	border-bottom: 1px solid #f0f2f1;
+	color: #9aa2a0;
+	font-size: 12px;
+
+	input {
+		flex: 1;
+		min-width: 0;
+		height: 26px;
+		padding: 0;
+		border: 0;
+		background: transparent;
+		color: $ink;
+		font: inherit;
+		font-size: 13px;
+
+		&:focus {
+			outline: 0;
+		}
+	}
+}
+
+.jio-creator-picker__title {
+	margin: 0;
+	padding: 10px 12px 4px;
+	color: #9aa2a0;
+	font-size: 11px;
+	letter-spacing: 0.02em;
+}
+
+.jio-creator-picker__list {
+	flex: 1;
+	overflow-y: auto;
+	padding: 6px;
+}
+
+.jio-creator-picker__item {
+	display: flex;
+	width: 100%;
+	align-items: center;
+	gap: 8px;
+	padding: 7px 10px;
+	border: 0;
+	border-radius: 7px;
+	background: transparent;
+	color: #4f5957;
+	cursor: pointer;
+	font: inherit;
+	font-size: 13px;
+	line-height: 1.5;
+	text-align: left;
+
+	&:hover,
+	&:focus-visible {
+		background: #f2f5f3;
+		color: $accent-strong;
+		outline: 0;
+	}
+
+	&.is-active {
+		color: $accent-strong;
+	}
+
+	input[type="checkbox"] {
+		position: absolute;
+		width: 1px;
+		height: 1px;
+		overflow: hidden;
+		clip: rect(0, 0, 0, 0);
+	}
+}
+
+.jio-creator-picker__icon {
+	flex: 0 0 12px;
+	color: #a9b2ae;
+	font-size: 11px;
+	text-align: center;
+}
+
+.jio-creator-picker__name {
+	flex: 1;
+	min-width: 0;
+	overflow: hidden;
+	text-overflow: ellipsis;
+	white-space: nowrap;
+}
+
+.jio-creator-picker__check {
+	flex: 0 0 auto;
+	color: $accent;
+	font-size: 10px;
+	opacity: 0;
+}
+
+.jio-creator-picker__item.is-active .jio-creator-picker__check,
+.jio-creator-picker__item--create .jio-creator-picker__check {
+	opacity: 1;
+}
+
+.jio-creator-picker__item--create {
+	color: $accent-strong;
+
+	.jio-creator-picker__name {
+		white-space: normal;
+	}
+}
+
+.jio-creator-picker__empty {
+	margin: 0;
+	padding: 14px 12px;
+	color: #9aa2a0;
+	font-size: 12px;
+	text-align: center;
+}
+
+.jio-creator-picker__foot {
+	display: flex;
+	flex: 0 0 auto;
+	align-items: center;
+	justify-content: space-between;
+	gap: 12px;
+	padding: 8px 12px;
+	border-top: 1px solid #f0f2f1;
+}
+
+.jio-creator-picker__count {
+	color: #9aa2a0;
+	font-size: 12px;
+}
+
+.jio-creator-picker__foot-hint {
+	margin: 0;
+	padding: 0 12px 10px;
+	color: #9aa2a0;
+	font-size: 12px;
+	text-align: center;
+}
+
+.jio-creator-picker__done {
+	padding: 4px 12px;
+	border: 0;
+	border-radius: 6px;
+	background: #eef5f2;
+	color: $accent-strong;
+	cursor: pointer;
+	font: inherit;
+	font-size: 12px;
+
+	&:hover,
+	&:focus-visible {
+		background: #e2efea;
+		outline: 0;
+	}
+}
+
+@media (prefers-reduced-motion: reduce) {
+	.jio-creator-picker {
+		animation: none;
+	}
+}
diff --git a/src/Core/CreatorRest.php b/src/Core/CreatorRest.php
index 496deb59..d3b965fe 100644
--- a/src/Core/CreatorRest.php
+++ b/src/Core/CreatorRest.php
@@ -574,6 +574,19 @@ final class CreatorRest {
 		$tags = $source instanceof \WP_Post && $snapshot === []
 			? wp_get_post_tags($source->ID, ['fields' => 'names'])
 			: array_map('strval', (array) ($snapshot['tags'] ?? []));
+		$tag_enabled = !empty($settings['allow_tags']);
+		// 标签是"没有就建"的自由词条，但仍然把站点已有标签交给前端做输入建议，
+		// 避免同一概念散成多个近义标签。
+		$tag_suggestions = $tag_enabled
+			? get_terms([
+				'taxonomy'   => 'post_tag',
+				'hide_empty' => false,
+				'number'     => 200,
+				'orderby'    => 'count',
+				'order'      => 'DESC',
+				'fields'     => 'names',
+			])
+			: [];
 
 		$custom_defs = [];
 		$custom = [];
@@ -601,7 +614,11 @@ final class CreatorRest {
 
 		return [
 			'categories'  => ['items' => $categories, 'selected' => $current],
-			'tags'        => ['items' => is_array($tags) ? array_values($tags) : [], 'enabled' => !empty($settings['allow_tags'])],
+			'tags'        => [
+				'items'       => is_array($tags) ? array_values($tags) : [],
+				'enabled'     => $tag_enabled,
+				'suggestions' => is_array($tag_suggestions) ? array_values($tag_suggestions) : [],
+			],
 			'custom'      => $custom,
 			'customDefs'  => $custom_defs,
 		];
diff --git a/tests/widget-system/creator-studio-contract.test.cjs b/tests/widget-system/creator-studio-contract.test.cjs
index ea30378e..d4ab7cf0 100644
--- a/tests/widget-system/creator-studio-contract.test.cjs
+++ b/tests/widget-system/creator-studio-contract.test.cjs
@@ -477,6 +477,36 @@ test('writing surface is a centered paper card with a publish settings card belo
 	assert.doesNotMatch(drawer, /jio-creator-captcha/);
 });
 
+test('publish settings use a multi-select category picker and a creatable tag input', () => {
+	const settings = read('assets/creator-studio/src/components/publish-settings.tsx');
+	const category = read('assets/creator-studio/src/components/category-select.tsx');
+	const tag = read('assets/creator-studio/src/components/tag-input.tsx');
+	const styles = read('assets/creator-studio/src/styles/_publish-drawer.scss');
+
+	// 分类：带搜索的多选下拉，触发器里是已选令牌。
+	assert.match(settings, /<CategorySelect/);
+	assert.match(category, /createPortal/);
+	assert.match(category, /type="checkbox"/);
+	assert.match(category, /onChange\(/);
+	assert.match(category, /选择分类（可多选）/);
+	// 旧的分类平铺复选列表已移除（自定义分类法仍是复选标签，不受影响）。
+	assert.doesNotMatch(settings, /toggleCategory/);
+	assert.doesNotMatch(settings, /categories\.includes\(/);
+
+	// 标签：可直接新建，并展示站点已有标签作为建议。
+	assert.match(settings, /<TagInput/);
+	assert.match(tag, /新建标签/);
+	assert.match(tag, /站点已有标签/);
+	assert.match(tag, /SEPARATORS/);
+	assert.match(tag, /Backspace/);
+	assert.doesNotMatch(styles, /\.jio-creator-inline\s*\{/);
+
+	// 服务端把已有标签作为建议下发，前端只读。
+	assert.match(creatorRest, /'suggestions'\s*=>/);
+	assert.match(creatorRest, /'taxonomy'\s*=>\s*'post_tag'/);
+	assert.match(appSource, /suggestions: \(bootstrap\.tags && bootstrap\.tags\.suggestions\)/);
+});
+
 test('scheduled publishing is validated and applied server side', () => {
 	const save = read('src/Core/FrontSubmitSave.php');
 	const rest = read('src/Core/CreatorRest.php');