/* 首页：暗黑极简（无磨砂）
   四个 div 面板：00 关于我们（三图轮播）+ 01/02/03 图文占位，
   沿用全站基础变量与 Jil Sander 排印语言：中性灰、零圆角、spaced 大写小字、
   1px 细线、统一 8px 网格与左右基线。
   保留「预览态 2/3 区块 → 下拉展开全屏并切到公司风采 → div 面板切换」的交互。 */

:root {
	--home-panel: #161616;
}

body.page-home {
	height: 100vh;
	height: 100dvh;
	overflow: hidden;
	background: var(--bg);
}

/* ---------- div 舞台：预览态 2/3 区块 → 下拉放大到全屏 ---------- */
main.stage {
	position: fixed;
	inset: 0;
	z-index: 3;
	overflow: hidden;
}

.stage__panels {
	position: absolute;
	left: 50%;
	top: 58px;
	transform: translateX(-50%);
	width: min(66.6667%, var(--content));
	height: calc((100vh - 58px) * 0.6667);
	height: calc((100dvh - 58px) * 0.6667);
	overflow: hidden;
	border: 1px solid var(--border);
	border-radius: 0;
	background: var(--home-panel);
	transition:
		top 0.9s cubic-bezier(0.22, 1, 0.36, 1),
		width 0.9s cubic-bezier(0.22, 1, 0.36, 1),
		height 0.9s cubic-bezier(0.22, 1, 0.36, 1),
		border-radius 0.9s ease,
		border-color 0.9s ease,
		background 0.9s ease;
}

body[data-phase="full"] .stage__panels {
	top: 0;
	width: 100%;
	height: 100vh;
	height: 100dvh;
	border-color: transparent;
	border-radius: 0;
	background: transparent;
}

/* ---------- 顶栏：初始保持基础样式，首次下拉后上滑隐去 ---------- */
.page-home .topbar {
	transition:
		transform 0.75s cubic-bezier(0.22, 1, 0.36, 1),
		opacity 0.5s ease;
}
.page-home[data-phase="full"] .topbar {
	transform: translateY(-100%);
	opacity: 0;
	pointer-events: none;
}

/* ---------- 预览态内容适配：同栅格、压缩图片与文字 ---------- */
.page-home[data-phase="peek"] .chapter {
	padding: 24px 0 32px;
}
.page-home[data-phase="peek"] .chapter__inner {
	grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
	gap: 32px;
	/* 面板内左右各 40px，与其它页面共用 gutter 基线 */
	padding: 0 40px;
}
.page-home[data-phase="peek"] .chapter__image {
	height: clamp(180px, 34vh, 320px);
}
.page-home[data-phase="peek"] .carousel__viewport {
	height: clamp(180px, 34vh, 320px);
}
.page-home[data-phase="peek"] .carousel__slide > .chapter__image {
	height: 100%;
}
.page-home[data-phase="peek"] .carousel__controls {
	gap: 14px;
	margin-top: 18px;
	padding-top: 12px;
}
.page-home[data-phase="peek"] .chapter__caption {
	font-size: 8px;
}
.page-home[data-phase="peek"] .chapter__eyebrow {
	margin-bottom: 16px;
}
.page-home[data-phase="peek"] .chapter__title {
	font-size: clamp(1.8rem, 3vw, 2.6rem);
}
.page-home[data-phase="peek"] .chapter__sub,
.page-home[data-phase="peek"] .chapter__placeholder {
	display: none;
}
.page-home[data-phase="peek"] .chapter__rule {
	margin: 20px 0 16px;
}
.page-home[data-phase="peek"] .chapter__lede {
	font-size: 13px;
	line-height: 1.75;
}

/* ---------- 面板切换：淡入淡出 + 方向位移，无模糊 ---------- */
.chapter {
	position: absolute;
	inset: 0;
	display: flex;
	align-items: center;
	padding: 40px 0 104px;
	opacity: 0;
	visibility: hidden;
	pointer-events: none;
	transform: translate3d(0, 24px, 0);
	transition:
		opacity 0.55s ease,
		transform 0.85s cubic-bezier(0.22, 1, 0.36, 1),
		visibility 0s linear 0.85s;
}
.chapter:not(.is-active) {
	transition-duration: 0.3s, 0.85s, 0s;
}
.chapter[data-pos="before"] {
	transform: translate3d(0, -32px, 0);
}
.chapter[data-pos="after"] {
	transform: translate3d(0, 32px, 0);
}
.chapter.is-active {
	z-index: 2;
	opacity: 1;
	visibility: visible;
	pointer-events: auto;
	transform: none;
	transition-delay: 0s;
}

.chapter.is-active .chapter__figure,
.chapter.is-active .chapter__body > * {
	animation: panel-item-in 0.75s cubic-bezier(0.22, 1, 0.36, 1) both;
}
.chapter.is-active .chapter__figure { animation-delay: 0s; }
.chapter.is-active .chapter__body > *:nth-child(1) { animation-delay: 0.08s; }
.chapter.is-active .chapter__body > *:nth-child(2) { animation-delay: 0.13s; }
.chapter.is-active .chapter__body > *:nth-child(3) { animation-delay: 0.18s; }
.chapter.is-active .chapter__body > *:nth-child(4) { animation-delay: 0.23s; }
.chapter.is-active .chapter__body > *:nth-child(5) { animation-delay: 0.28s; }
.chapter.is-active .chapter__body > *:nth-child(6) { animation-delay: 0.33s; }

@keyframes panel-item-in {
	from { opacity: 0; transform: translate3d(0, 14px, 0); }
	to   { opacity: 1; transform: none; }
}

/* ---------- 图文栅格：图片 7 : 文本 5，间距 64px ---------- */
.chapter__inner {
	display: grid;
	grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
	align-items: center;
	gap: 64px;
}

.chapter__figure {
	min-width: 0;
	margin: 0;
}
.chapter__image {
	display: block;
	width: 100%;
	height: clamp(260px, 58vh, 560px);
	object-fit: cover;
	object-position: center;
	border: 1px solid var(--border);
	background: var(--home-panel);
	/* 三张素材色调跨度大，轻微统一到中性暗调 */
	filter: saturate(0.78) brightness(0.92) contrast(1.03);
}
.chapter__caption {
	display: flex;
	flex-wrap: wrap;
	justify-content: space-between;
	gap: 12px;
	margin-top: 12px;
	padding-top: 12px;
	border-top: 1px solid var(--border);
	font-family: var(--sans);
	font-size: 9px;
	letter-spacing: 0.22em;
	text-transform: uppercase;
	color: var(--faint);
}

/* ---------- 关于我们：三图轮播 ---------- */
.carousel__viewport {
	position: relative;
	height: clamp(260px, 58vh, 560px);
	overflow: hidden;
	border: 1px solid var(--border);
	background: var(--home-panel);
}
.carousel__slide {
	position: absolute;
	inset: 0;
	opacity: 0;
	visibility: hidden;
	pointer-events: none;
	transition:
		opacity 1.05s ease,
		visibility 0s linear 1.05s;
}
.carousel__slide.is-active {
	z-index: 2;
	opacity: 1;
	visibility: visible;
	transition-delay: 0s;
}
.carousel__slide.is-active > .chapter__image {
	animation: carousel-zoom 6.6s cubic-bezier(0.22, 1, 0.36, 1) both;
}
@keyframes carousel-zoom {
	from { transform: scale(1.06); }
	to   { transform: scale(1); }
}
/* 轮播图撑满 viewport，绕过单图章节的固定高度 */
.page-home .carousel__slide > .chapter__image {
	height: 100%;
	border: 0;
	background: transparent;
}
.carousel__progress {
	height: 1px;
	margin-top: 8px;
	background: var(--border);
}
.carousel__progress > span {
	display: block;
	width: 0;
	height: 100%;
	background: var(--stone);
	animation: carousel-progress 5.4s linear both;
}
@keyframes carousel-progress {
	from { width: 0; }
	to   { width: 100%; }
}
.carousel.is-paused .carousel__progress > span {
	animation-play-state: paused;
}

.carousel__controls {
	display: flex;
	align-items: center;
	gap: 20px;
	margin-top: 28px;
	padding-top: 16px;
	border-top: 1px solid var(--border);
	font-family: var(--sans);
}
.carousel__counter {
	display: inline-flex;
	align-items: baseline;
	gap: 6px;
	font-size: 11px;
	letter-spacing: 0.16em;
	color: var(--faint);
}
.carousel__counter b {
	font-weight: 500;
	letter-spacing: 0.16em;
	color: var(--text);
}
.carousel__counter i {
	font-style: normal;
}
.carousel__dots {
	display: flex;
	gap: 6px;
	margin-left: auto;
}
.carousel__dots button {
	position: relative;
	width: 24px;
	height: 18px;
	padding: 0;
	border: 0;
	background: transparent;
	cursor: pointer;
}
.carousel__dots button::after {
	content: "";
	position: absolute;
	left: 0;
	right: 0;
	top: 50%;
	height: 1px;
	background: var(--border);
	transition: background 0.25s ease;
}
.carousel__dots button:hover::after {
	background: var(--muted);
}
.carousel__dots button.is-current::after,
.carousel__dots button[aria-current="true"]::after {
	background: var(--stone);
}
/* 切换箭头：无边框、无底色，1px 水平杆 + 1px 折角，
   与下拉提示 / SCROLL 提示使用同一套线型箭头语言 */
.carousel__arrows {
	display: inline-flex;
	align-items: center;
}
.carousel__arrows button {
	position: relative;
	display: grid;
	place-items: center;
	width: 36px;
	height: 32px;
	padding: 0;
	border: 0;
	border-radius: 0;
	background: transparent;
	color: var(--muted);
	cursor: pointer;
	transition: color 0.25s ease;
}
/* 两个无框箭头之间用 1px 竖细线收成一组 */
.carousel__arrows button + button::before {
	content: "";
	position: absolute;
	left: 0;
	top: 50%;
	width: 1px;
	height: 12px;
	transform: translateY(-50%);
	background: var(--border);
}
.carousel__arrow {
	position: relative;
	display: block;
	width: 16px;
	height: 8px;
	transition: transform 0.25s cubic-bezier(0.22, 1, 0.36, 1);
}
.carousel__arrow::before {
	content: "";
	position: absolute;
	top: 50%;
	left: 0;
	right: 0;
	height: 1px;
	background: currentColor;
	transform: translateY(-50%);
}
.carousel__arrow::after {
	content: "";
	position: absolute;
	top: 50%;
	width: 6px;
	height: 6px;
	border-right: 1px solid currentColor;
	border-bottom: 1px solid currentColor;
}
.carousel__arrow--prev::after {
	left: 0;
	transform: translateY(-50%) rotate(135deg);
}
.carousel__arrow--next::after {
	right: 0;
	transform: translateY(-50%) rotate(-45deg);
}
.carousel__arrows button:hover {
	color: var(--stone);
}
.carousel__arrows button:hover .carousel__arrow--prev {
	transform: translateX(-3px);
}
.carousel__arrows button:hover .carousel__arrow--next {
	transform: translateX(3px);
}
.carousel__arrows button:active {
	opacity: 0.6;
}
.carousel__dots button:focus-visible,
.carousel__arrows button:focus-visible {
	outline: 1px solid var(--faint);
	outline-offset: 2px;
}

/* ---------- 占位文本 ---------- */
.chapter__body {
	min-width: 0;
}
.chapter__eyebrow {
	margin: 0 0 32px;
	font-family: var(--sans);
	font-size: 10px;
	font-weight: 500;
	letter-spacing: 0.28em;
	text-transform: uppercase;
	color: var(--faint);
}
.chapter__title {
	margin: 0;
	font-family: var(--sans);
	font-size: clamp(2.2rem, 3.8vw, 3.4rem);
	font-weight: 400;
	line-height: 1.2;
	letter-spacing: 0.06em;
	color: var(--text);
}
.chapter__sub {
	margin: 16px 0 0;
	font-family: var(--sans);
	font-size: 10px;
	letter-spacing: 0.3em;
	text-transform: uppercase;
	color: var(--faint);
}
.chapter__rule {
	display: block;
	width: 48px;
	height: 1px;
	margin: 32px 0 24px;
	background: var(--border);
}
.chapter__lede {
	max-width: 40ch;
	margin: 0;
	font-size: 14px;
	line-height: 1.9;
	letter-spacing: 0.02em;
	color: var(--muted);
}
.chapter__placeholder {
	max-width: 40ch;
	margin: 32px 0 0;
	padding-top: 16px;
	border-top: 1px solid var(--border);
	font-family: var(--sans);
	font-size: 9px;
	letter-spacing: 0.24em;
	text-transform: uppercase;
	color: var(--faint);
}

/* ---------- 欢迎选购：会员种类展示（无选取交互） ---------- */
.chapter--plans .chapter__inner {
	display: block;
}
.plans__head {
	display: flex;
	align-items: flex-end;
	justify-content: space-between;
	gap: 48px;
	margin-bottom: 40px;
}
.plans__intro {
	max-width: 34ch;
	margin: 0 0 6px;
	font-size: 14px;
	line-height: 1.9;
	letter-spacing: 0.02em;
	color: var(--muted);
}
.plans {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 24px;
	min-width: 0;
	margin: 0;
	padding: 0;
}
.plan {
	min-width: 0;
}
.plan__body {
	display: flex;
	flex-direction: column;
	min-height: 240px;
	padding: 28px 32px 32px;
	border: 1px solid var(--border);
	border-radius: 0;
	background: transparent;
}
.plan__name {
	display: flex;
	align-items: baseline;
	gap: 14px;
	margin: 0;
	font-family: var(--sans);
	font-size: clamp(1.6rem, 2.4vw, 2.1rem);
	font-weight: 400;
	line-height: 1.2;
	letter-spacing: 0.06em;
	color: var(--text);
}
/* 推荐档：细线下划的小标记，不用彩色徽章 */
.plan__badge {
	padding-bottom: 2px;
	border-bottom: 1px solid var(--stone);
	font-family: var(--sans);
	font-size: 9px;
	font-weight: 500;
	letter-spacing: 0.24em;
	line-height: 1;
	color: var(--stone);
}
.plan__en {
	margin: 10px 0 0;
	font-family: var(--sans);
	font-size: 9px;
	font-weight: 500;
	letter-spacing: 0.24em;
	text-transform: uppercase;
	color: var(--faint);
}
.plan__rule {
	display: block;
	width: 48px;
	height: 1px;
	margin: 24px 0 20px;
	background: var(--border);
}
.plan__features {
	display: flex;
	flex-direction: column;
	gap: 8px;
	margin: 0;
	padding: 0;
	list-style: none;
	font-size: 13px;
	line-height: 1.6;
	letter-spacing: 0.02em;
	color: var(--muted);
}
/* Swiss 栅格语言：每条要点前一根等长短线 */
.plan__features > * {
	display: flex;
	align-items: center;
	gap: 12px;
}
.plan__features > *::before {
	content: "";
	flex: none;
	width: 12px;
	height: 1px;
	background: var(--faint);
}

/* 与其余章节一致的入场节奏 */
.chapter--plans.is-active .plans__head,
.chapter--plans.is-active .plans {
	animation: panel-item-in 0.75s cubic-bezier(0.22, 1, 0.36, 1) both;
}
.chapter--plans.is-active .plans__head { animation-delay: 0.06s; }
.chapter--plans.is-active .plans { animation-delay: 0.16s; }

/* ---------- 底部章节切换：实底 + 细线 ---------- */
.chapter-nav {
	position: fixed;
	left: 50%;
	right: auto;
	bottom: calc(16px + env(safe-area-inset-bottom, 0px));
	z-index: 6;
	display: flex;
	align-items: stretch;
	/* 与 .wrap 的内容区左右边缘完全对齐 */
	width: min(var(--content), calc(100% - var(--gutter) * 2));
	height: 52px;
	padding: 0;
	transform: translateX(-50%);
	border: 1px solid var(--border);
	border-radius: 0;
	background: var(--home-panel);
	transition:
		opacity 0.6s ease 0.2s,
		visibility 0s linear 0.6s,
		transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}
.chapter-nav button {
	position: relative;
	flex: 1;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 0;
	border: 0;
	background: transparent;
	color: var(--faint);
	font-family: var(--sans);
	font-size: 11px;
	font-weight: 500;
	letter-spacing: 0.22em;
	cursor: pointer;
	transition: color 0.25s ease;
}
.chapter-nav button .dock-i__label {
	line-height: 1.2;
	white-space: nowrap;
}
.chapter-nav button:hover {
	color: var(--muted);
}
.chapter-nav button.is-current {
	color: var(--text);
}
.chapter-nav button.is-current::after {
	content: "";
	position: absolute;
	bottom: 8px;
	left: 50%;
	width: 24px;
	height: 1px;
	background: var(--text);
	transform: translateX(-50%);
}
.chapter-nav button:focus-visible {
	outline: 2px solid var(--muted);
	outline-offset: -3px;
}
.page-home[data-phase="peek"] .chapter-nav {
	opacity: 0;
	visibility: hidden;
	pointer-events: none;
	transform: translate(-50%, 20px);
}

/* ---------- 预览态提示：轻量滚动指示器（无边框、无汉字） ---------- */
.expand-hint {
	position: fixed;
	left: 50%;
	bottom: 52px;
	z-index: 7;
	display: inline-flex;
	flex-direction: column;
	align-items: center;
	gap: 14px;
	padding: 0;
	transform: translateX(-50%);
	border: 0;
	border-radius: 0;
	background: transparent;
	color: var(--faint);
	font-family: var(--sans);
	cursor: pointer;
	transition:
		opacity 0.45s ease,
		transform 0.6s cubic-bezier(0.22, 1, 0.36, 1),
		visibility 0s linear 0.6s,
		color 0.25s ease;
}
.expand-hint:hover {
	color: var(--text);
}
.expand-hint:focus-visible {
	outline: 1px solid var(--faint);
	outline-offset: 8px;
}
.expand-hint__en {
	font-size: 9px;
	font-weight: 500;
	letter-spacing: 0.32em;
	text-transform: uppercase;
}
/* 1px 轨道 + 下滑光点 + 折线箭头，全部由 CSS 绘制 */
.expand-hint__track {
	position: relative;
	display: block;
	width: 1px;
	height: 36px;
	background: linear-gradient(to bottom, var(--border), transparent);
}
.expand-hint__track::after {
	content: "";
	position: absolute;
	left: 0;
	top: 0;
	width: 1px;
	height: 12px;
	background: var(--stone);
	animation: hint-trail 2.6s cubic-bezier(0.45, 0, 0.2, 1) infinite;
}
@keyframes hint-trail {
	0%   { transform: translateY(-12px); opacity: 0; }
	25%  { opacity: 1; }
	100% { transform: translateY(36px); opacity: 0; }
}
.expand-hint__arrow {
	position: absolute;
	left: 50%;
	bottom: 1px;
	width: 7px;
	height: 7px;
	border-right: 1px solid var(--text);
	border-bottom: 1px solid var(--text);
	transform: translateX(-50%) rotate(45deg);
	opacity: 0.75;
	transition: opacity 0.25s ease, transform 0.25s ease;
}
.expand-hint:hover .expand-hint__arrow {
	opacity: 1;
	transform: translate(-50%, 3px) rotate(45deg);
}
body[data-phase="full"] .expand-hint {
	opacity: 0;
	visibility: hidden;
	pointer-events: none;
	transform: translate(-50%, 12px);
}

/* ---------- SCROLL 提示 / 页脚 ---------- */
.home-scroll {
	position: fixed;
	bottom: 88px;
	left: 50%;
	transform: translateX(-50%);
	z-index: 4;
	margin: 0;
	font-family: var(--sans);
	font-size: 9px;
	font-weight: 500;
	letter-spacing: 0.32em;
	color: var(--faint);
	pointer-events: none;
	transition: opacity 0.5s ease;
}
/* 与下拉提示同一套 1px 折线箭头，不再用字符箭头 */
.home-scroll__arrow {
	display: inline-block;
	width: 6px;
	height: 6px;
	margin-left: 8px;
	border-right: 1px solid currentColor;
	border-bottom: 1px solid currentColor;
	transform: rotate(45deg) translate(-1px, -1px);
	vertical-align: middle;
	opacity: 0.7;
}
body[data-chapter="3"] .home-scroll,
.page-home[data-phase="peek"] .home-scroll {
	opacity: 0;
}

.page-home .footer {
	position: fixed;
	bottom: 0;
	left: 0;
	right: 0;
	z-index: 4;
	margin: 0;
	border: 0;
	background: transparent;
	pointer-events: none;
	transition: opacity 0.5s ease;
}
.page-home[data-phase="full"] .footer {
	opacity: 0;
}
.page-home .footer__inner {
	padding-top: 14px;
	padding-bottom: 14px;
	color: var(--faint);
}

/* ---------- 响应式 ---------- */
@media (max-width: 900px) {
	.stage__panels {
		width: calc(100% - var(--gutter) * 2);
	}
	.chapter__inner,
	.page-home[data-phase="peek"] .chapter__inner {
		grid-template-columns: minmax(0, 1fr);
		gap: 24px;
	}
	.chapter__image {
		height: clamp(180px, 26vh, 300px);
	}
	.carousel__viewport {
		height: clamp(180px, 26vh, 300px);
	}
	.page-home[data-phase="peek"] .chapter__image {
		height: clamp(140px, 20vh, 220px);
	}
	.page-home[data-phase="peek"] .carousel__viewport {
		height: clamp(140px, 20vh, 220px);
	}
	.plans__head {
		flex-direction: column;
		align-items: flex-start;
		gap: 16px;
		margin-bottom: 24px;
	}
	.plans__intro {
		margin-bottom: 0;
	}
	.plans {
		gap: 16px;
	}
	.plan__body {
		min-height: 0;
		padding: 22px 24px;
	}
.plan__rule {
		margin: 18px 0 14px;
	}
}

@media (max-width: 600px) {
	.stage__panels {
		top: 66px;
		width: calc(100% - var(--gutter) * 2);
		height: calc((100vh - 66px) * 0.6667);
		height: calc((100dvh - 66px) * 0.6667);
	}
	.chapter {
		padding: 28px 0 88px;
	}
	.page-home[data-phase="peek"] .chapter__inner {
		gap: 16px;
		padding: 0 var(--gutter);
	}
	.page-home[data-phase="peek"] .chapter__image {
		height: 190px;
	}
	.page-home[data-phase="peek"] .carousel__viewport {
		height: 190px;
	}
	.page-home[data-phase="peek"] .chapter__caption {
		display: none;
	}
	.carousel__controls {
		gap: 12px;
		margin-top: 20px;
	}
	.carousel__dots button {
		width: 18px;
	}
	.page-home[data-phase="peek"] .chapter__eyebrow {
		margin-bottom: 10px;
		font-size: 9px;
	}
	.page-home[data-phase="peek"] .chapter__title {
		font-size: clamp(1.5rem, 7vw, 2rem);
	}
	.page-home[data-phase="peek"] .chapter__rule {
		margin: 14px 0 12px;
	}
	.page-home[data-phase="peek"] .chapter__lede {
		display: -webkit-box;
		-webkit-line-clamp: 2;
		-webkit-box-orient: vertical;
		overflow: hidden;
		font-size: 12px;
		line-height: 1.6;
	}
	.chapter__title {
		font-size: clamp(2rem, 9.5vw, 2.8rem);
	}
	.chapter__sub {
		font-size: 9px;
		letter-spacing: 0.22em;
	}
	.chapter__caption {
		font-size: 8px;
		letter-spacing: 0.16em;
	}
	.expand-hint {
		bottom: 60px;
		gap: 10px;
	}
	.expand-hint__en {
		letter-spacing: 0.24em;
	}
	.chapter-nav button {
		font-size: 10px;
		letter-spacing: 0.12em;
	}
	.plans__head {
		gap: 12px;
		margin-bottom: 18px;
	}
	.plans__intro {
		font-size: 12px;
		line-height: 1.7;
	}
	.plans {
		grid-template-columns: minmax(0, 1fr);
		gap: 12px;
	}
	.plan__body {
		padding: 16px 20px;
	}
.plan__en {
		margin-top: 4px;
	}
	.plan__rule {
		margin: 12px 0 10px;
	}
	.plan__features {
		gap: 3px;
		font-size: 12px;
		line-height: 1.5;
	}
	.plan__features > * {
		gap: 10px;
	}
	.plan__features > *::before {
		width: 10px;
	}
.page-home .footer__inner {
		font-size: 10px;
	}
}

@media (prefers-reduced-motion: reduce) {
	.chapter,
	.home-scroll,
	.chapter-nav,
	.chapter-nav button,
	.stage__panels,
	.page-home .topbar,
	.page-home .footer,
	.expand-hint {
		transition: none;
	}
	.chapter.is-active .chapter__figure,
	.chapter.is-active .chapter__body > *,
	.chapter--plans.is-active .plans__head,
	.chapter--plans.is-active .plans,
	.expand-hint__track::after,
	.carousel__slide.is-active > .chapter__image,
	.carousel__progress > span {
		animation: none;
	}
	.carousel__slide,
	.carousel__dots button,
	.carousel__arrows button,
	.carousel__arrow,
	.carousel__controls,
	.carousel__viewport,
	.carousel__progress {
		transition: none;
	}
	/* 无动效时不自动轮播，进度条与推进动画一并停用 */
	.carousel__progress {
		display: none;
	}
}