/* 首页首屏通栏视频（参考 McConnel：100svh + object-fit:cover） */

.site-front {
	--front-cta-bg: #fdd000;
	--front-cta-ink: #000000;
	--max: 1610px;
	--body: "Poppins", sans-serif;
	--fw-light: 300;
	--fw-medium: 500;
}

.front-hero {
	position: relative;
	width: 100%;
	height: 100vh;
	height: 100svh;
	min-height: 560px;
	overflow: hidden;
	background: #12161b;
}

/* 仅视频模式：媒体层铺满 */
.front-hero__media {
	position: absolute;
	inset: 0;
	z-index: 0;
	overflow: hidden;
	pointer-events: none;
}

.front-hero__video {
	position: absolute;
	top: 50%;
	left: 50%;
	width: 100%;
	height: 100%;
	min-width: 100%;
	min-height: 100%;
	transform: translate(-50%, -50%);
	object-fit: cover;
	object-position: center center;
	display: block;
	pointer-events: none;
}

/* 统一轮播：视频为第一项，海报随后一张一张滚动 */
.front-hero__slides {
	position: absolute;
	inset: 0;
	z-index: 0;
	overflow: hidden;
}

.front-hero__nav {
	position: absolute;
	top: 50%;
	z-index: 3;
	transform: translateY(-50%);
	width: 48px;
	height: 48px;
	padding: 0;
	border: 1px solid rgba(255, 255, 255, 0.45);
	border-radius: 50%;
	background: rgba(0, 0, 0, 0.28);
	color: #fff;
	font-size: 28px;
	line-height: 1;
	display: flex;
	align-items: center;
	justify-content: center;
	cursor: pointer;
	transition: background 0.2s ease, border-color 0.2s ease, opacity 0.2s ease;
}

.front-hero__nav:hover {
	background: rgba(0, 0, 0, 0.5);
	border-color: rgba(255, 255, 255, 0.8);
}

.front-hero__nav:focus-visible {
	outline: 2px solid #fdd000;
	outline-offset: 3px;
}

.front-hero__nav--prev {
	left: 24px;
}

.front-hero__nav--next {
	right: 88px;
}

.front-hero__track {
	display: flex;
	width: 100%;
	height: 100%;
	transform: translate3d(0, 0, 0);
	transition: transform 0.7s cubic-bezier(0.22, 0.61, 0.36, 1);
	will-change: transform;
}

.front-hero__slide {
	position: relative;
	flex: 0 0 100%;
	width: 100%;
	height: 100%;
	overflow: hidden;
	background: #12161b;
}

.front-hero__slide-link {
	display: block;
	width: 100%;
	height: 100%;
}

/* 仅海报项大图铺满；勿影响视频帧内的 brand / 箭头 */
.front-hero__slide:not(.front-hero__slide--video) img {
	position: absolute;
	top: 50%;
	left: 50%;
	width: 100%;
	height: 100%;
	min-width: 100%;
	min-height: 100%;
	transform: translate(-50%, -50%);
	object-fit: cover;
	object-position: center center;
	display: block;
}

.front-hero__brand {
	display: block;
	width: auto;
	height: auto;
	max-width: min(100%, 420px);
	max-height: clamp(48px, 14vw, 140px);
	object-fit: contain;
	object-position: left center;
}

/* 视频项内的遮罩与内容（仅视频帧显示） */
.front-hero__slide--video .video-overlay-layer,
.front-hero:not(.front-hero--slider) > .video-overlay-layer {
	z-index: 1;
	background-color: #0000003d;
	background-image: linear-gradient(#000, #0000 27%);
	position: absolute;
	inset: 0%;
	pointer-events: none;
}

.front-hero__slide--video .front-hero__content,
.front-hero:not(.front-hero--slider) > .front-hero__content {
	position: absolute;
	inset: 0;
	z-index: 2;
	box-sizing: border-box;
	width: 100%;
	margin: 0;
	padding: 120px 48px 7.5rem;
	pointer-events: none;
}

.front-hero__content-inner {
	box-sizing: border-box;
	width: 100%;
	max-width: var(--max);
	height: 100%;
	margin: 0 auto;
	display: flex;
	flex-direction: row;
	align-items: flex-end;
	justify-content: space-between;
	gap: 28px;
}

.front-hero__slide--video .front-hero__content a,
.front-hero__slide--video .front-hero__content button,
.front-hero:not(.front-hero--slider) > .front-hero__content a,
.front-hero:not(.front-hero--slider) > .front-hero__content button {
	pointer-events: auto;
}

.front-hero__intro {
	display: flex;
	flex-direction: column;
	align-items: flex-start;
	gap: 28px;
	min-width: 0;
}

.front-hero__cta {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	box-sizing: border-box;
	width: 280px;
	height: 47px;
	padding: 0 20px;
	background: var(--front-cta-bg);
	color: var(--front-cta-ink);
	font-family: var(--body);
	font-size: 16px;
	font-weight: var(--fw-medium);
	letter-spacing: 0.02em;
	line-height: 1;
	text-decoration: none;
	text-align: center;
	border: none;
	border-radius: 0;
	transition: filter 0.2s ease, transform 0.2s ease;
}

.front-hero__cta:hover {
	filter: brightness(0.96);
	color: var(--front-cta-ink);
}

/* 右侧下滑箭头（参考站 Scroll Down：上下浮动 + 点击滚到下一块） */
.front-hero__scroll {
	appearance: none;
	background: none;
	border: none;
	padding: 0;
	margin: 0;
	cursor: pointer;
	line-height: 0;
	flex-shrink: 0;
	animation: front-hero-scroll-bounce 1.8s ease-in-out infinite;
}

.front-hero__scroll img {
	display: block;
	width: 56px;
	height: 56px;
	object-fit: contain;
}

.front-hero__scroll:hover {
	opacity: 0.88;
}

.front-hero__scroll:focus-visible {
	outline: 2px solid #fdd000;
	outline-offset: 4px;
}

@keyframes front-hero-scroll-bounce {
	0%,
	100% {
		transform: translateY(0);
	}
	50% {
		transform: translateY(12px);
	}
}

@media (prefers-reduced-motion: reduce) {
	.front-hero__scroll {
		animation: none;
	}

	.front-hero__track {
		transition: none;
	}
}

@media (max-width: 1100px) {
	.front-hero__slide--video .front-hero__content,
	.front-hero:not(.front-hero--slider) > .front-hero__content {
		padding: 108px 28px 7.5rem;
	}

	.front-hero__content-inner {
		gap: 22px;
	}

	.front-hero__intro {
		gap: 22px;
	}

	.front-hero__brand {
		max-width: min(100%, 320px);
		max-height: clamp(44px, 12vw, 110px);
	}

	.front-hero__nav {
		width: 42px;
		height: 42px;
		font-size: 24px;
	}

	.front-hero__nav--prev {
		left: 16px;
	}

	.front-hero__nav--next {
		right: 56px;
	}
}

@media (max-width: 680px) {
	/* 参考站 .home-header_content：手机端限制首屏高度 */
	.front-hero {
		height: auto;
		min-height: 70svh;
	}

	.front-hero__slides,
	.front-hero__track,
	.front-hero__slide {
		min-height: 70svh;
	}

	.front-hero__slide--video .front-hero__content,
	.front-hero:not(.front-hero--slider) > .front-hero__content {
		padding: 96px 20px 3.5rem;
	}

	.front-hero__cta {
		width: min(280px, 100%);
		height: 44px;
		font-size: 15px;
	}

	.front-hero__brand {
		max-width: min(100%, 220px);
		max-height: clamp(40px, 16vw, 88px);
	}

	.front-hero__scroll img {
		width: 40px;
		height: 40px;
	}

	.front-hero__nav {
		width: 36px;
		height: 36px;
		font-size: 20px;
		border-radius: 50%;
	}

	.front-hero__nav--prev {
		left: 10px;
	}

	.front-hero__nav--next {
		right: 10px;
	}
}

/* ==========================================================================
   产品板块（效果图：奇偶交错）
   ========================================================================== */

.front-products {
	--fp-ink: #1a1a1a;
	--fp-muted: #6b7280;
	--fp-accent: #fdd000;
	--fp-gray: #f5f5f5;
	background: #fff;
	color: var(--fp-ink);
}

.front-products .wrap {
	max-width: var(--max);
	margin: 0 auto;
	padding: 0 48px;
	box-sizing: border-box;
}

.front-products__head {
	padding: 88px 0 56px;
	text-align: center;
}

.front-products__title {
	margin: 0;
	font-family: var(--body);
	font-size: 50px;
	font-weight: 700;
	line-height: 1.2;
	letter-spacing: -0.01em;
	color: var(--fp-ink);
}

.front-products__list {
	display: block;
}

/* 单行：奇白偶灰 */
.front-products__row {
	padding: 70px 0;
}

.front-products__row.is-odd {
	background: #fff;
}

.front-products__row.is-even {
	background: var(--fp-gray);
}

.front-products__grid {
	display: grid;
	grid-template-columns: minmax(0, 1fr) minmax(0, 840px);
	gap: 56px 64px;
	align-items: center;
}

/* 奇数：文案 | 图 */
.front-products__row.is-odd .front-products__copy {
	order: 1;
}

.front-products__row.is-odd .front-products__media {
	order: 2;
}

/* 偶数：图 | 文案 */
.front-products__row.is-even .front-products__grid {
	grid-template-columns: minmax(0, 840px) minmax(0, 1fr);
}

.front-products__row.is-even .front-products__media {
	order: 1;
}

.front-products__row.is-even .front-products__copy {
	order: 2;
}

.front-products__copy {
	position: relative;
	min-width: 0;
	padding: 28px 24px 28px 80px;
}

.front-products__row.is-even .front-products__copy {
	padding: 28px 75px 28px 24px;
}

.front-products__hex {
	position: absolute;
	top: -28%;
	left: 0;
	width: clamp(180px, 18vw, 290px);
	height: clamp(180px, 18vw, 290px);
	transform: none;
	pointer-events: none;
	z-index: 0;
	opacity: 0.95;
}

.front-products__row.is-even .front-products__hex {
	left: auto;
	right: 0;
	transform: scaleX(-1);
}

.front-products__hex img {
	display: block;
	width: 100%;
	height: 100%;
	object-fit: contain;
}

.front-products__copy-inner {
	position: relative;
	z-index: 1;
	max-width: 520px;
}

.front-products__row.is-even .front-products__copy-inner {
	margin-left: auto;
}

.front-products__eyebrow {
	display: inline-block;
	margin: 0 0 14px;
	padding-bottom: 0;
	font-family: var(--body);
	font-size: 20px;
	font-weight: 700;
	letter-spacing: 0;
	text-transform: uppercase;
	color: var(--fp-accent);
	border-bottom: 2px solid var(--fp-accent);
	line-height: 1;
}

.front-products__name {
	margin: 0 0 18px;
	font-family: var(--body);
	font-size: 34px;
	font-weight: var(--fw-medium, 500);
	line-height: 1.2;
	color: var(--fp-ink);
}

.front-products__desc {
	margin: 0 0 40px;
	font-family: var(--body);
	font-size: 16px;
	font-weight: var(--fw-light, 300);
	line-height: 26px;
	color: #333;
}

.front-products__more {
	display: inline-flex;
	align-items: center;
	gap: 10px;
	font-family: var(--body);
	font-size: 20px;
	font-weight: var(--fw-regular, 400);
	color: var(--fp-accent);
	text-decoration: none;
	transition: gap 0.2s ease, opacity 0.2s ease;
}

.front-products__more:hover {
	gap: 14px;
	opacity: 0.9;
	color: var(--fp-accent);
}

.front-products__more img {
	display: block;
	width: 28px;
	height: auto;
}

.front-products__media {
	position: relative;
	width: 100%;
	max-width: 840px;
	min-width: 0;
	overflow: hidden;
	isolation: isolate;
	transition: box-shadow 0.45s ease;
	justify-self: stretch;
}

.front-products__media::before,
.front-products__media::after {
	content: "";
	position: absolute;
	inset: 18px;
	z-index: 2;
	pointer-events: none;
	box-sizing: border-box;
}

/* 上下边线：由中心向两侧展开 */
.front-products__media::before {
	border-top: 2px solid #fdd000;
	border-bottom: 2px solid #fdd000;
	transform: scaleX(0);
	transform-origin: center;
	transition: transform 0.45s cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* 左右边线：由中心向上下展开 */
.front-products__media::after {
	border-left: 2px solid #fdd000;
	border-right: 2px solid #fdd000;
	transform: scaleY(0);
	transform-origin: center;
	transition: transform 0.45s cubic-bezier(0.22, 0.61, 0.36, 1) 0.08s;
}

.front-products__media img {
	display: block;
	width: 100%;
	height: auto;
	aspect-ratio: 3 / 2;
	object-fit: cover;
	object-position: center;
	transform: scale(1);
	transform-origin: center center;
	transition: transform 0.75s cubic-bezier(0.22, 0.61, 0.36, 1);
	will-change: transform;
}

.front-products__media:hover,
.front-products__media:focus-within {
	box-shadow: 0 18px 42px rgba(27, 26, 24, 0.14);
}

.front-products__media:hover::before,
.front-products__media:focus-within::before {
	transform: scaleX(1);
}

.front-products__media:hover::after,
.front-products__media:focus-within::after {
	transform: scaleY(1);
}

.front-products__media:hover img,
.front-products__media:focus-within img {
	transform: scale(1.06);
}

@media (prefers-reduced-motion: reduce) {
	.front-products__media,
	.front-products__media::before,
	.front-products__media::after,
	.front-products__media img {
		transition: none;
	}

	.front-products__media:hover,
	.front-products__media:focus-within {
		box-shadow: none;
	}

	.front-products__media:hover::before,
	.front-products__media:focus-within::before,
	.front-products__media:hover::after,
	.front-products__media:focus-within::after {
		transform: none;
		border-color: transparent;
	}

	.front-products__media:hover img,
	.front-products__media:focus-within img {
		transform: none;
	}
}

@media (max-width: 1100px) {
	.front-products .wrap {
		padding: 0 28px;
	}

	.front-products__head {
		padding: 72px 0 40px;
	}

	.front-products__title {
		font-size: clamp(32px, 4.5vw, 44px);
	}

	.front-products__row {
		padding: 44px 0;
	}

	.front-products__grid {
		gap: 36px 40px;
		grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
	}

	.front-products__row.is-even .front-products__grid {
		grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
	}

	.front-products__copy {
		padding: 20px 16px 20px 48px;
	}

	.front-products__row.is-even .front-products__copy {
		padding: 20px 48px 20px 16px;
	}

	.front-products__hex {
		width: 200px;
		height: 200px;
		top: -22%;
	}

	.front-products__media {
		width: 100%;
		max-width: 100%;
	}

	.front-products__media::before,
	.front-products__media::after {
		inset: 14px;
	}

	.front-products__name {
		font-size: clamp(26px, 3vw, 32px);
	}
}

@media (max-width: 860px) {
	.front-products__grid,
	.front-products__row.is-even .front-products__grid {
		grid-template-columns: 1fr;
		gap: 28px;
	}

	/* 手机端统一：图在上，文案在下 */
	.front-products__row.is-odd .front-products__media,
	.front-products__row.is-even .front-products__media {
		order: 1;
		width: 100%;
		max-width: 100%;
	}

	.front-products__row.is-odd .front-products__copy,
	.front-products__row.is-even .front-products__copy {
		order: 2;
	}

	.front-products__copy,
	.front-products__row.is-even .front-products__copy {
		padding: 12px 12px 8px 24px;
	}

	.front-products__hex {
		width: 150px;
		height: 150px;
		top: -12%;
		left: 0;
	}

	.front-products__row.is-even .front-products__hex {
		left: 0;
		right: auto;
		transform: none;
	}

	.front-products__row.is-even .front-products__copy-inner {
		margin-left: 0;
	}

	.front-products__media::before,
	.front-products__media::after {
		inset: 12px;
	}

	.front-products__eyebrow {
		font-size: 16px;
	}

	.front-products__more {
		font-size: 18px;
	}
}

@media (max-width: 680px) {
	.front-products .wrap {
		padding: 0 20px;
	}

	.front-products__head {
		padding: 30px 0 0;
	}

	.front-products__title {
		font-size: clamp(26px, 7vw, 34px);
	}

	.front-products__row {
		padding: 28px 0;
	}

	.front-products__copy,
	.front-products__row.is-even .front-products__copy {
		padding:30px 8px 4px 16px;
	}

	.front-products__hex {
		width: 112px;
		height: 112px;
		top: -6%;
		opacity: 0.8;
	}

	.front-products__media {
		width: 100%;
		max-width: 100%;
	}

	.front-products__media::before,
	.front-products__media::after {
		inset: 10px;
	}

	.front-products__name {
		font-size: clamp(22px, 6vw, 20px);
		margin-bottom: 12px;
	}

	.front-products__desc {
		font-size: 15px;
		line-height: 1.55;
		margin-bottom: 28px;
	}

	.front-products__more {
		font-size: 16px;
	}

	.front-products__more img {
		width: 22px;
	}
}

/* -------------------------------------------------------------------------
 * 产品轮播板块（sub2）
 * ------------------------------------------------------------------------- */
.front-why {
	--why-accent: var(--fp-accent, #fdd000);
	--why-ink: var(--fp-ink, #1a1a1a);
	--why-muted: var(--fp-muted, #555);
	--why-gray: #eeefef;
	background: var(--why-gray);
	padding: 88px 0 72px;
}

.front-why .wrap {
	max-width: var(--max);
	margin: 0 auto;
	padding: 0 48px;
	box-sizing: border-box;
}

.front-why__title {
	margin: 0 0 56px;
	text-align: center;
	font-family: var(--body);
	font-size: 50px;
	font-weight: 700;
	line-height: 1.2;
	letter-spacing: -0.01em;
	color: var(--why-ink);
}

.front-why__slider {
	position: relative;
}

.front-why__viewport {
	overflow: hidden;
}

.front-why__track {
	display: flex;
	transition: transform 0.45s ease;
	will-change: transform;
}

.front-why__slide {
	flex: 0 0 100%;
	width: 100%;
	min-width: 0;
	box-sizing: border-box;
}

.front-why__grid {
	display: grid;
	grid-template-columns: minmax(0, 690px) minmax(0, 1fr);
	gap: 48px 64px;
}

.front-why__media {
	width: 100%;
	max-width: 690px;
	min-width: 0;
}

.front-why__media-link {
	display: block;
	max-width: 690px;
}

.front-why__media img {
	display: block;
	width: 100%;
	max-width: 690px;
	height: auto;
}

.front-why__feats {
	list-style: none;
	margin: 0;
	padding: 0;
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 28px 60px;
	align-content: start;
}

.front-why__feat {
	display: flex;
	flex-direction: column;
	align-items: flex-start;
	gap: 12px;
	min-width: 0;
}

.front-why__num {
	flex: 0 0 auto;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 34px;
	height: 38px;
	font-family: var(--body);
	font-size: 15px;
	font-weight: 700;
	line-height: 1;
	color: #111;
	background: var(--why-accent);
	clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
}

.front-why__feat-desc {
	margin: 0;
	font-family: var(--body);
	font-size: 16px;
	font-weight: var(--fw-light, 300);
	line-height: 26px;
	color: var(--why-muted);
}

.front-why__feat-desc p {
	margin: 0;
}

.front-why__feat-desc p + p {
	margin-top: 0.35em;
}

.front-why__feat-desc strong,
.front-why__feat-desc b {
	font-weight: var(--fw-medium, 500);
	color: var(--why-ink);
}

.front-why__dots {
	display: flex;
	justify-content: center;
	align-items: center;
	gap: 10px;
	margin-top: 48px;
}

.front-why__dot {
	appearance: none;
	border: 0;
	padding: 0;
	width: 36px;
	height: 6px;
	border-radius: 999px;
	background: #d8d8d8;
	cursor: pointer;
	transition: background 0.2s ease, width 0.2s ease;
}

.front-why__dot.is-active {
	background: var(--why-accent);
	width: 48px;
}

.front-why__dot:hover {
	background: #c4c4c4;
}

.front-why__dot.is-active:hover {
	background: var(--why-accent);
}

@media (max-width: 1100px) {
	.front-why {
		padding: 72px 0 56px;
	}

	.front-why .wrap {
		padding: 0 28px;
	}

	.front-why__title {
		margin-bottom: 40px;
		font-size: clamp(32px, 4.5vw, 44px);
	}

	.front-why__grid {
		grid-template-columns: 1fr;
		gap: 36px;
	}

	.front-why__media {
		max-width: 560px;
		margin: 0 auto;
	}

	.front-why__feats {
		gap: 22px 28px;
	}
}

@media (max-width: 720px) {
	.front-why {
		padding: 40px 0;
	}

	.front-why .wrap {
		padding: 0 20px;
	}

	.front-why__title {
		margin-bottom: 28px;
		font-size: clamp(26px, 7vw, 24px);
	}

	.front-why__feats {
		grid-template-columns: 1fr;
		gap: 20px;
	}

	.front-why__dots {
		margin-top: 28px;
	}
}

/* -------------------------------------------------------------------------
 * 公司简介板块（sub3）
 * ------------------------------------------------------------------------- */
.front-about {
	position: relative;
	display: flex;
	align-items: center;
	justify-content: center;
	min-height: clamp(420px, 58vw, 680px);
	padding: 72px 24px;
	overflow: hidden;
	background-color: #1a1a1a;
	background-image: var(--front-about-bg);
	background-position: center;
	background-size: cover;
	background-repeat: no-repeat;
	background-attachment: fixed;
	box-sizing: border-box;
}

.front-about__shade {
	position: absolute;
	inset: 0;
	pointer-events: none;
	z-index: 0;
}

.front-about__inner {
	position: relative;
	z-index: 1;
	display: flex;
	align-items: center;
	justify-content: center;
	width: 100%;
	max-width: var(--max);
	margin: 0 auto;
}

.front-about__hex {
	position: relative;
	width: min(513px, 46vw);
	height: auto;
	max-width: 100%;
	aspect-ratio: 513 / 613;
	display: flex;
	align-items: center;
	justify-content: center;
}

.front-about__hex-frame {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	color: var(--fp-accent, #fdd000);
	pointer-events: none;
}

.front-about__copy {
	position: relative;
	z-index: 1;
	width: 100%;
	max-width: min(415px, 82%);
	padding: 6% 0%;
	box-sizing: border-box;
	text-align: center;
	color: #fff;
}

.front-about__title {
	margin: 0 0 22px;
	font-family: var(--body);
	font-size: clamp(22px, 2.4vw, 32px);
	font-weight: var(--fw-medium, 500);
	line-height: 1.25;
	letter-spacing: 0.02em;
	text-transform: uppercase;
	color: #fff;
}

.front-about__desc {
	margin: 0;
	font-family: var(--body);
	font-size: clamp(13px, 1.15vw, 15px);
	font-weight: var(--fw-light, 300);
	line-height: 1.65;
	color: rgba(255, 255, 255, 0.92);
}

.front-about__desc p {
	margin: 0;
}

.front-about__desc p + p {
	margin-top: 0.6em;
}

@media (max-width: 1100px) {
	.front-about {
		min-height: clamp(380px, 52vw, 560px);
		padding: 64px 20px;
		background-attachment: scroll;
	}

	.front-about__hex {
		width: min(400px, 58vw);
	}
}

@media (max-width: 720px) {
	.front-about {
		min-height: 360px;
		padding: 48px 16px;
		background-attachment: scroll;
	}

	.front-about__hex {
		width: min(280px, 78vw);
	}

	.front-about__copy {
		width: 100%;
		max-width: 100%;
		padding: 8% 5%;
	}

	.front-about__title {
		margin-bottom: 12px;
		font-size: clamp(16px, 4.6vw, 22px);
	}

	.front-about__desc {
		font-size: 12px;
		line-height: 1.55;
	}
}

@media (max-width: 420px) {
	.front-about__hex {
		width: min(260px, 90vw);
	}

	.front-about__title {
		font-size: 15px;
	}

	.front-about__desc {
		font-size: 11px;
		line-height: 1.5;
	}
}

/* -------------------------------------------------------------------------
 * 证书板块（sub4）
 * ------------------------------------------------------------------------- */
.front-cert {
	--cert-ink: var(--fp-ink, #1a1a1a);
	--cert-muted: var(--fp-muted, #333);
	--cert-accent: var(--fp-accent, #fdd000);
	background: #efefef;
	padding: 88px 0;
	color: var(--cert-ink);
}

.front-cert .wrap,
.front-cert__grid {
	max-width: var(--max);
	margin: 0 auto;
	padding: 0 48px;
	box-sizing: border-box;
}

.front-cert__grid {
	display: grid;
	grid-template-columns: minmax(0, 1.2fr) minmax(0, 460px);
	gap: 48px 64px;
	align-items: center;
}

.front-cert__copy {
	position: relative;
	min-width: 0;
	padding: 28px 24px 28px 80px;
}

.front-cert__hex {
	position: absolute;
	top: -34%;
	left: 0;
	width: clamp(180px, 18vw, 290px);
	height: clamp(180px, 18vw, 290px);
	pointer-events: none;
	z-index: 0;
	opacity: 0.95;
}

.front-cert__hex img {
	display: block;
	width: 100%;
	height: 100%;
	object-fit: contain;
}

.front-cert__copy-inner {
	position: relative;
	z-index: 1;
	max-width: 750px;
}

.front-cert__eyebrow {
	display: inline-block;
	margin: 0 0 14px;
	padding-bottom: 0;
	font-family: var(--body);
	font-size: 20px;
	font-weight: 700;
	letter-spacing: 0;
	text-transform: uppercase;
	color: var(--cert-accent);
	border-bottom: 2px solid var(--cert-accent);
	line-height: 1;
}

.front-cert__title {
	margin: 0 0 18px;
	font-family: var(--body);
	font-size: 34px;
	font-weight: var(--fw-medium, 500);
	line-height: 1.2;
	color: var(--cert-ink);
}

.front-cert__desc {
	margin: 0 0 28px;
	font-family: var(--body);
	font-size: 16px;
	font-weight: var(--fw-light, 300);
	line-height: 26px;
	color: var(--cert-muted);
}

.front-cert__list,
.front-cert__content ul {
	list-style: none;
	margin: 0 0 36px;
	padding: 0;
}

.front-cert__list li,
.front-cert__content ul li {
	position: relative;
	margin: 0 0 14px;
	padding-left: 28px;
	font-family: var(--body);
	font-size: 16px;
	font-weight: var(--fw-light, 300);
	line-height: 26px;
	color: var(--cert-ink);
}

.front-cert__list li:last-child,
.front-cert__content ul li:last-child {
	margin-bottom: 0;
}

.front-cert__list li::before,
.front-cert__content ul li::before {
	content: '';
	position: absolute;
	left: 0;
	top: 6px;
	width: 14px;
	height: 14px;
	background: currentColor;
	clip-path: polygon(14% 44%, 0 65%, 50% 100%, 100% 16%, 80% 0, 43% 62%);
}

.front-cert__content {
	margin: 0 0 36px;
	font-family: var(--body);
	font-size: 16px;
	font-weight: var(--fw-light, 300);
	line-height: 26px;
	color: var(--cert-ink);
}

.front-cert__content p {
	margin: 0 0 14px;
}

.front-cert__content p:last-child {
	margin-bottom: 0;
}

.front-cert__more {
	display: inline-flex;
	align-items: center;
	gap: 10px;
	font-family: var(--body);
	font-size: 15px;
	font-weight: 600;
	color: var(--cert-accent);
	text-decoration: none;
	transition: gap 0.2s ease, opacity 0.2s ease;
}

.front-cert__more:hover {
	gap: 14px;
	opacity: 0.9;
	color: var(--cert-accent);
}

.front-cert__more img {
	display: block;
	width: 28px;
	height: auto;
}

.front-cert__media {
	min-width: 0;
	justify-self: end;
	width: 100%;
	max-width: 480px;
}

.front-cert__media img {
	display: block;
	width: 100%;
	height: auto;
}

@media (max-width: 1100px) {
	.front-cert {
		padding: 72px 0;
	}

	.front-cert .wrap,
	.front-cert__grid {
		padding: 0 28px;
	}

	.front-cert__grid {
		gap: 40px;
		grid-template-columns: minmax(0, 1.15fr) minmax(0, 380px);
	}

	.front-cert__copy {
		padding: 20px 16px 20px 48px;
	}

	.front-cert__hex {
		width: 200px;
		height: 200px;
		top: -24%;
	}

	.front-cert__title {
		font-size: clamp(26px, 3vw, 32px);
	}
}

@media (max-width: 860px) {
	.front-cert__grid {
		grid-template-columns: 1fr;
		gap: 28px;
	}

	.front-cert__copy {
		padding: 12px 12px 8px 24px;
	}

	.front-cert__hex {
		width: 150px;
		height: 150px;
		top: -8%;
	}

	.front-cert__eyebrow {
		font-size: 16px;
	}

	.front-cert__media {
		justify-self: center;
		max-width: 420px;
		order: -1;
	}
}

@media (max-width: 680px) {
	.front-cert {
		padding: 56px 0;
	}

	.front-cert .wrap,
	.front-cert__grid {
		padding: 0 20px;
	}

	.front-cert__copy {
		padding: 8px 8px 4px 16px;
	}

	.front-cert__hex {
		width: 112px;
		height: 112px;
		top: -4%;
		opacity: 0.8;
	}

	.front-cert__title {
		font-size: clamp(22px, 6vw, 28px);
	}

	.front-cert__desc,
	.front-cert__list li,
	.front-cert__content ul li,
	.front-cert__content {
		font-size: 15px;
		line-height: 1.55;
	}

	.front-cert__more img {
		width: 22px;
	}
}

/* -------------------------------------------------------------------------
 * 服务板块（sub5）
 * ------------------------------------------------------------------------- */
.front-service {
	--svc-ink: #1a1a1a;
	--svc-muted: #333;
	--svc-accent: var(--fp-accent, #fdd000);
	background: #fff;
	padding: 88px 0 72px;
	color: var(--svc-ink);
}

.front-service .wrap {
	max-width: var(--max);
	margin: 0 auto;
	padding: 0 48px;
	box-sizing: border-box;
}

.front-service__top {
	display: grid;
	grid-template-columns: minmax(0, 1001px) minmax(0, 1fr);
	gap: 48px 64px;
	align-items: center;
}

.front-service__media {
	position: relative;
	width: 100%;
	max-width: 1001px;
	min-width: 0;
	overflow: hidden;
	isolation: isolate;
}

.front-service__media::after {
	content: "";
	position: absolute;
	top: 0;
	left: 0;
	z-index: 2;
	width: 45%;
	height: 100%;
	pointer-events: none;
	background: linear-gradient(
		105deg,
		rgba(255, 255, 255, 0) 0%,
		rgba(255, 255, 255, 0.08) 35%,
		rgba(255, 255, 255, 0.42) 50%,
		rgba(255, 255, 255, 0.08) 65%,
		rgba(255, 255, 255, 0) 100%
	);
	transform: translateX(-130%) skewX(-18deg);
	transition: transform 0.85s cubic-bezier(0.22, 0.61, 0.36, 1);
}

.front-service__media:hover::after,
.front-service__media:focus-within::after {
	transform: translateX(280%) skewX(-18deg);
}

.front-service__media img {
	display: block;
	width: 100%;
	max-width: 1001px;
	height: auto;
}

@media (prefers-reduced-motion: reduce) {
	.front-service__media::after {
		display: none;
	}
}

.front-service__copy {
	min-width: 0;
	max-width: 420px;
}

.front-service__title {
	margin: 0 0 18px;
	font-family: var(--body);
	font-size: 34px;
	font-weight: var(--fw-medium, 500);
	line-height: 1.2;
	color: var(--svc-ink);
}

.front-service__desc {
	margin: 0 0 28px;
	font-family: var(--body);
	font-size: 16px;
	font-weight: var(--fw-light, 300);
	line-height: 26px;
	color: var(--svc-muted);
}

.front-service__more {
	display: inline-flex;
	align-items: center;
	gap: 10px;
	font-family: var(--body);
	font-size: 20px;
	font-weight: var(--fw-regular, 400);
	color: var(--svc-accent);
	text-decoration: none;
	transition: gap 0.2s ease, opacity 0.2s ease;
}

.front-service__more:hover {
	gap: 14px;
	opacity: 0.9;
	color: var(--svc-accent);
}

.front-service__more img {
	display: block;
	width: 28px;
	height: auto;
}

.front-service__gallery {
	margin-top: 56px;
}

.front-service__viewport {
	overflow: hidden;
}

.front-service__track {
	display: flex;
	transition: transform 0.45s ease;
	will-change: transform;
}

.front-service__slide {
	flex: 0 0 100%;
	width: 100%;
	min-width: 0;
	box-sizing: border-box;
}

.front-service__row {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 28px;
}

.front-service__card {
	margin: 0;
	min-width: 0;
	overflow: hidden;
	background: #e8e8e8;
	aspect-ratio: 16 / 10;
}

.front-service__card img {
	display: block;
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.front-service__dots {
	display: flex;
	justify-content: center;
	align-items: center;
	gap: 10px;
	margin-top: 36px;
}

.front-service__dot {
	appearance: none;
	border: 0;
	padding: 0;
	width: 36px;
	height: 6px;
	border-radius: 999px;
	background: #d8d8d8;
	cursor: pointer;
	transition: background 0.2s ease, width 0.2s ease;
}

.front-service__dot.is-active {
	background: var(--svc-accent);
	width: 48px;
}

.front-service__dot:hover {
	background: #c4c4c4;
}

.front-service__dot.is-active:hover {
	background: var(--svc-accent);
}

@media (max-width: 1100px) {
	.front-service {
		padding: 72px 0 56px;
	}

	.front-service .wrap {
		padding: 0 28px;
	}

	.front-service__top {
		gap: 36px 40px;
		grid-template-columns: minmax(0, 1fr) minmax(0, 320px);
	}

	.front-service__gallery {
		margin-top: 44px;
	}

	.front-service__row {
		gap: 18px;
	}
}

@media (max-width: 860px) {
	.front-service__top {
		grid-template-columns: 1fr;
		gap: 28px;
	}

	.front-service__copy {
		max-width: none;
	}

	.front-service__row {
		grid-template-columns: 1fr;
		gap: 16px;
	}

	.front-service__gallery {
		margin-top: 36px;
	}

	.front-service__more {
		font-size: 18px;
	}
}

@media (max-width: 680px) {
	.front-service {
		padding: 56px 0 48px;
	}

	.front-service .wrap {
		padding: 0 20px;
	}

	.front-service__title {
		font-size: clamp(22px, 6vw, 20px);
	}

	.front-service__desc {
		font-size: 15px;
		line-height: 1.55;
	}

	.front-service__more {
		font-size: 16px;
	}

	.front-service__more img {
		width: 22px;
	}

	.front-service__dots {
		margin-top: 28px;
	}
}

/* -------------------------------------------------------------------------
 * 加入我们板块（sub6）
 * ------------------------------------------------------------------------- */
.front-join {
	--join-ink: #1a1a1a;
	--join-muted: #333;
	--join-accent: var(--fp-accent, #fdd000);
	background: #fff;
	padding: 88px 0;
	color: var(--join-ink);
}

.front-join .wrap,
.front-join__grid {
	max-width: var(--max);
	margin: 0 auto;
	padding: 0 48px;
	box-sizing: border-box;
}

.front-join__grid {
	display: grid;
	grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
	gap: 48px 64px;
	align-items: center;
}

.front-join__media {
	position: relative;
	min-width: 0;
	overflow: hidden;
	isolation: isolate;
}

.front-join__media img {
	display: block;
	width: 100%;
	height: auto;
	transform: scale(1);
	transform-origin: center center;
	transition: transform 0.75s cubic-bezier(0.22, 0.61, 0.36, 1);
	will-change: transform;
}

.front-join__media:hover img,
.front-join__media:focus-within img {
	transform: scale(1.06);
}

@media (prefers-reduced-motion: reduce) {
	.front-join__media img {
		transition: none;
	}

	.front-join__media:hover img,
	.front-join__media:focus-within img {
		transform: none;
	}
}

.front-join__copy {
	position: relative;
	min-width: 0;
	padding: 28px 56px 28px 24px;
}

.front-join__hex {
	position: absolute;
	top: -18%;
	right: 0;
	width: clamp(180px, 18vw, 290px);
	height: clamp(180px, 18vw, 290px);
	pointer-events: none;
	z-index: 0;
	opacity: 0.95;
	transform: scaleX(-1);
}

.front-join__hex img {
	display: block;
	width: 100%;
	height: 100%;
	object-fit: contain;
}

.front-join__copy-inner {
	position: relative;
	z-index: 1;
	max-width: 560px;
}

.front-join__eyebrow {
	display: inline-block;
	margin: 0 0 14px;
	padding-bottom: 0;
	font-family: var(--body);
	font-size: 20px;
	font-weight: 700;
	letter-spacing: 0;
	text-transform: none;
	color: var(--join-accent);
	border-bottom: 2px solid var(--join-accent);
	line-height: 1;
}

.front-join__title {
	margin: 0 0 18px;
	font-family: var(--body);
	font-size: 34px;
	font-weight: var(--fw-medium, 500);
	line-height: 1.2;
	color: var(--join-ink);
}

.front-join__content {
	margin: 0 0 28px;
	font-family: var(--body);
	font-size: 16px;
	font-weight: var(--fw-light, 300);
	line-height: 26px;
	color: var(--join-muted);
}

.front-join__content p {
	margin: 0 0 14px;
}

.front-join__content p:last-child {
	margin-bottom: 0;
}

.front-join__content ul,
.front-join__content ol {
	margin: 0 0 18px;
	padding-left: 1.2em;
}

.front-join__content li {
	margin: 0 0 8px;
}

.front-join__content li:last-child {
	margin-bottom: 0;
}

.front-join__content strong,
.front-join__content b {
	font-weight: var(--fw-medium, 500);
	color: var(--join-ink);
}

.front-join__more {
	display: inline-flex;
	align-items: center;
		gap: 10px;
	font-family: var(--body);
	font-size: 20px;
	font-weight: var(--fw-regular, 400);
	color: var(--join-accent);
	text-decoration: none;
	transition: gap 0.2s ease, opacity 0.2s ease;
}

.front-join__more:hover {
	gap: 14px;
	opacity: 0.9;
	color: var(--join-accent);
}

.front-join__more img {
	display: block;
	width: 28px;
	height: auto;
}

@media (max-width: 1100px) {
	.front-join {
		padding: 72px 0;
	}

	.front-join .wrap,
	.front-join__grid {
		padding: 0 28px;
	}

	.front-join__grid {
		gap: 36px 40px;
	}

	.front-join__copy {
		padding: 20px 40px 20px 16px;
	}

	.front-join__hex {
		width: 200px;
		height: 200px;
		top: -14%;
	}

	.front-join__title {
		font-size: clamp(26px, 3vw, 32px);
	}
}

@media (max-width: 860px) {
	.front-join__grid {
		grid-template-columns: 1fr;
		gap: 28px;
	}

	.front-join__copy {
		padding: 12px 24px 8px 12px;
	}

	.front-join__hex {
		width: 150px;
		height: 150px;
		top: -8%;
	}

	.front-join__eyebrow {
		font-size: 16px;
	}

	.front-join__more {
		font-size: 18px;
	}
}

@media (max-width: 680px) {
	.front-join {
		padding: 56px 0;
	}

	.front-join .wrap,
	.front-join__grid {
		padding: 0 20px;
	}

	.front-join__copy {
		padding: 8px 16px 4px 8px;
	}

	.front-join__hex {
		width: 112px;
		height: 112px;
		top: -4%;
		opacity: 0.8;
	}

	.front-join__title {
		font-size: clamp(22px, 6vw, 28px);
	}

	.front-join__content {
		font-size: 15px;
		line-height: 1.55;
	}

	.front-join__more {
		font-size: 16px;
	}

	.front-join__more img {
		width: 22px;
	}
}

/* -------------------------------------------------------------------------
 * 案例展示板块（sub7）
 * ------------------------------------------------------------------------- */
.front-cases {
	--cases-ink: #1a1a1a;
	--cases-muted: #333;
	background: #efefef;
	padding: 88px 0;
	color: var(--cases-ink);
}

.front-cases .wrap {
	max-width: var(--max);
	margin: 0 auto;
	padding: 0 48px;
	box-sizing: border-box;
}

.front-cases__title {
	margin: 0 0 48px;
	text-align: center;
	font-family: var(--body);
	font-size: 50px;
	font-weight: 700;
	line-height: 1.2;
	letter-spacing: -0.01em;
	color: var(--cases-ink);
}

.front-cases__grid {
	display: grid;
	grid-template-columns: repeat(4, minmax(0, 1fr));
	gap: 28px;
}

.front-cases__card {
	display: flex;
	flex-direction: column;
	min-width: 0;
	text-decoration: none;
	color: inherit;
	background: transparent;
	transition: transform 0.25s ease, opacity 0.25s ease;
}

.front-cases__card:hover {
	transform: translateY(-4px);
	opacity: 0.96;
	color: inherit;
}

.front-cases__media {
	width: 100%;
	aspect-ratio: 1 / 1;
	overflow: hidden;
	background: #ddd;
}

.front-cases__media img {
	display: block;
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform 0.35s ease;
}

.front-cases__card:hover .front-cases__media img {
	transform: scale(1.04);
}

.front-cases__desc {
	flex: 1 1 auto;
	margin: 0;
	padding: 22px 20px;
	background: #fff;
	font-family: var(--body);
	font-size: 15px;
	font-weight: var(--fw-light, 300);
	line-height: 1.55;
	color: var(--cases-muted);
}

.front-cases__footer {
	display: flex;
	justify-content: flex-end;
	align-items: center;
		margin-top: 36px;
	}

.front-cases__more {
	display: inline-flex;
	align-items: center;
	gap: 10px;
	font-family: var(--body);
	font-size: 20px;
	font-weight: var(--fw-regular, 400);
	color: var(--fp-accent, #fdd000);
	text-decoration: none;
	transition: gap 0.2s ease, opacity 0.2s ease;
}

.front-cases__more:hover {
	gap: 14px;
	opacity: 0.9;
	color: var(--fp-accent, #fdd000);
}

.front-cases__more img {
	display: block;
	width: 28px;
	height: auto;
}

@media (max-width: 1100px) {
	.front-cases {
		padding: 72px 0;
	}

	.front-cases .wrap {
		padding: 0 28px;
	}

	.front-cases__grid {
		grid-template-columns: repeat(2, minmax(0, 1fr));
		gap: 22px;
	}

	.front-cases__title {
		margin-bottom: 36px;
		font-size: clamp(32px, 5vw, 44px);
	}
}

@media (max-width: 680px) {
	.front-cases {
		padding: 56px 0;
	}

	.front-cases .wrap {
		padding: 0 20px;
	}

	.front-cases__grid {
		grid-template-columns: 1fr;
		gap: 18px;
	}

	.front-cases__title {
		margin-bottom: 28px;
		font-size: clamp(26px, 7vw, 34px);
	}

	.front-cases__desc {
		padding: 18px 16px;
		font-size: 14px;
	}

	.front-cases__footer {
		margin-top: 28px;
	}

	.front-cases__more {
		font-size: 16px;
	}

	.front-cases__more img {
		width: 22px;
	}
}