@charset "utf-8";

/* ========== 走进煤机 · 全屏模块页（普通滚动） ========== */
.enter-scroll {
	overflow: visible;
}

.enter-section {
	position: relative;
	width: 100%;
}
.enter-section--snap {
	min-height: 100vh;
	min-height: 100svh;
}
.enter-section--history {
	background: #f4f8fc;
}

.enter-bg {
	position: absolute;
	inset: 0;
	background-size: cover;
	background-position: center;
	background-repeat: no-repeat;
	transform: scale(1.06);
	transition: transform 1.2s cubic-bezier(.22, 1, .36, 1);
}
.enter-section.in-view .enter-bg {
	transform: scale(1);
}
.enter-overlay {
	position: absolute;
	inset: 0;
	pointer-events: none;
}
.enter-body {
	position: relative;
	z-index: 2;
	padding-top: 100px;
	padding-bottom: 48px;
	min-height: calc(100vh - 80px);
	min-height: calc(100svh - 80px);
	display: flex;
	flex-direction: column;
	box-sizing: border-box;
}
.enter-section--history .enter-body,
.enter-history-wrap {
	min-height: 0;
}

.enter-slogan {
	position: absolute;
	top: 88px;
	right: 40px;
	z-index: 3;
	display: flex;
	align-items: center;
	gap: 10px;
	font-size: 13px;
	color: rgba(255, 255, 255, .85);
	letter-spacing: 2px;
	opacity: 0;
	transform: translateY(-10px);
	transition: all .7s cubic-bezier(.22, 1, .36, 1) .2s;
}
.enter-section.in-view .enter-slogan {
	opacity: 1;
	transform: translateY(0);
}
.enter-slogan i {
	display: block;
	width: 4px;
	height: 18px;
	background: var(--primary);
	border-radius: 2px;
}
.enter-slogan i:last-child {
	background: var(--secondary);
	height: 12px;
}
.enter-slogan--dark {
	color: var(--text-muted);
}
.enter-slogan--light {
	color: rgba(255, 255, 255, .9);
}

/* 模块标题 */
.enter-mod-head {
	margin-bottom: 24px;
	opacity: 0;
	transform: translateY(20px);
	transition: all .8s cubic-bezier(.22, 1, .36, 1) .1s;
}
.enter-section.in-view .enter-mod-head {
	opacity: 1;
	transform: translateY(0);
}
.enter-mod-head--light .enter-title-en {
	color: transparent;
	-webkit-text-stroke: 1.5px rgba(255, 255, 255, .75);
	text-stroke: 1.5px rgba(255, 255, 255, .75);
}
.enter-mod-head--light .enter-title-cn {
	color: #fff;
}
.enter-mod-head--light .enter-title-bar {
	background: linear-gradient(90deg, var(--primary), rgba(255, 255, 255, .4));
}
.enter-title-en {
	font-size: clamp(28px, 4vw, 42px);
	font-weight: 800;
	line-height: 1.1;
	margin: 0;
	font-family: Arial, Helvetica, sans-serif;
	text-transform: uppercase;
	letter-spacing: 2px;
	color: transparent;
	-webkit-text-stroke: 1.5px rgba(28, 73, 142, .45);
	text-stroke: 1.5px rgba(28, 73, 142, .45);
}
.enter-title-cn {
	font-size: clamp(22px, 3vw, 32px);
	font-weight: 700;
	color: var(--secondary);
	margin: 8px 0 0;
}
.enter-title-bar {
	display: block;
	width: 80px;
	height: 3px;
	margin-top: 12px;
	background: linear-gradient(90deg, var(--primary), transparent);
	border-radius: 2px;
	transform: scaleX(0);
	transform-origin: left;
	transition: transform .9s cubic-bezier(.22, 1, .36, 1) .3s;
}
.enter-section.in-view .enter-title-bar {
	transform: scaleX(1);
}

/* ========== 模块1 · 企业文化 ========== */
.enter-section--culture .enter-bg {
	background-image: url('/static/index/img/enter/1.png');
}
.enter-section--culture .enter-overlay {
	background: linear-gradient(180deg, rgba(10, 30, 60, .35) 0%, rgba(10, 30, 60, .55) 100%);
}
.enter-section--culture .enter-body {
	justify-content: flex-start;
}
.enter-culture-panel {
	flex: 1;
	display: flex;
	align-items: center;
	width: 100%;
	background: rgba(15, 40, 80, .72);
	backdrop-filter: blur(16px);
	-webkit-backdrop-filter: blur(16px);
	border: 1px solid rgba(255, 255, 255, .12);
	border-radius: 16px;
	padding: clamp(24px, 4vw, 40px) clamp(20px, 4vw, 48px);
	box-shadow: 0 24px 64px rgba(0, 0, 0, .25);
	opacity: 0;
	transform: translateY(40px) scale(.96);
	transition: all 1s cubic-bezier(.22, 1, .36, 1) .15s;
}
.enter-section--culture.in-view .enter-culture-panel {
	opacity: 1;
	transform: translateY(0) scale(1);
}
.enter-culture-grid {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: clamp(20px, 3vw, 32px) clamp(24px, 4vw, 48px);
}
.enter-culture-item {
	opacity: 0;
	transform: translateY(20px);
	transition: opacity .65s cubic-bezier(.22, 1, .36, 1), transform .65s cubic-bezier(.22, 1, .36, 1);
}
.enter-culture-grid.is-visible .enter-culture-item {
	opacity: 1;
	transform: translateY(0);
}
.enter-culture-grid.is-visible .enter-culture-item:nth-child(1) { transition-delay: .08s; }
.enter-culture-grid.is-visible .enter-culture-item:nth-child(2) { transition-delay: .16s; }
.enter-culture-grid.is-visible .enter-culture-item:nth-child(3) { transition-delay: .24s; }
.enter-culture-grid.is-visible .enter-culture-item:nth-child(4) { transition-delay: .32s; }
.enter-culture-grid.is-visible .enter-culture-item:nth-child(5) { transition-delay: .4s; }
.enter-culture-grid.is-visible .enter-culture-item:nth-child(6) { transition-delay: .48s; }
.enter-culture-item h4 {
	font-size: 15px;
	font-weight: 700;
	color: #fff;
	margin: 0 0 4px;
	letter-spacing: 1px;
}
.enter-culture-item h4 em {
	display: block;
	font-size: 11px;
	font-style: normal;
	font-weight: 600;
	color: rgba(255, 255, 255, .55);
	letter-spacing: 1.5px;
	margin-bottom: 8px;
	font-family: Arial, sans-serif;
}
.enter-culture-item p {
	font-size: 13px;
	line-height: 1.75;
	color: rgba(255, 255, 255, .88);
	margin: 0 0 6px;
}
.enter-culture-item p.en {
	font-size: 11px;
	color: rgba(255, 255, 255, .55);
	line-height: 1.65;
	word-break: keep-all;
}

/* ========== 模块2 · 企业简介 ========== */
.enter-section--intro .enter-bg {
	background-image: url('/static/index/img/enter/2.png');
}
.enter-section--intro .enter-overlay {
	background: linear-gradient(135deg, rgba(28, 73, 142, .55) 0%, rgba(10, 42, 94, .45) 100%);
}
.enter-section--intro .enter-body {
	justify-content: flex-start;
	min-height: 0;
}
.enter-intro-body {
	flex: 1;
	display: flex;
	flex-direction: column;
	justify-content: flex-start;
	gap: 24px;
	opacity: 0;
	transform: translateY(30px);
	transition: all .85s cubic-bezier(.22, 1, .36, 1) .2s;
}
.enter-section--intro.in-view .enter-intro-body {
	opacity: 1;
	transform: translateY(0);
}
.enter-intro-cols {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: clamp(24px, 4vw, 48px);
}
.enter-intro-cols p {
	font-size: clamp(12px, 1.2vw, 14px);
	line-height: 1.85;
	color: rgba(255, 255, 255, .92);
	margin: 0 0 14px;
	text-align: justify;
}
.enter-intro-cols p.en {
	color: rgba(255, 255, 255, .72);
	font-size: clamp(11px, 1.1vw, 13px);
}
.enter-intro-cols .enter-intro-col-en{
	word-break: keep-all;
}

/* ========== 模块3 · 荣誉资质 ========== */
.enter-section--honor {
	min-height: auto;
}
.enter-honor-head {
	position: relative;
	min-height: clamp(220px, 38vh, 360px);
	overflow: hidden;
}
.enter-honor-head-bg {
	position: absolute;
	inset: 0;
	background: url('/static/index/img/enter/3.png') center / cover no-repeat;
	transform: scale(1.06);
	transition: transform 1.2s cubic-bezier(.22, 1, .36, 1);
}
.enter-section--honor.in-view .enter-honor-head-bg {
	transform: scale(1);
}
.enter-honor-head .enter-slogan {
	top: 88px;
}
.enter-body--honor-head {
	min-height: 0;
	padding-top: 100px;
	padding-bottom: clamp(24px, 4vh, 40px);
	justify-content: flex-end;
}
.enter-honor-body {
	position: relative;
	background: #fff;
	padding-bottom: clamp(32px, 5vh, 56px);
}
.enter-honor-body::before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	height: 120px;
	background: linear-gradient(180deg, rgba(240, 248, 255, .6) 0%, transparent 100%);
	pointer-events: none;
}
.enter-body--honor-body {
	min-height: 0;
	padding-top: clamp(24px, 4vh, 40px);
	padding-bottom: 0;
}
.enter-honor-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: clamp(12px, 2vw, 20px);
	align-content: center;
	list-style: none;
	margin: 0;
	padding: 0;
	opacity: 0;
	transform: translateY(24px);
	transition: all .85s cubic-bezier(.22, 1, .36, 1) .25s;
}
.enter-section--honor.in-view .enter-honor-grid {
	opacity: 1;
	transform: translateY(0);
}
.enter-honor-item {
	text-align: center;
	opacity: 0;
	transform: scale(.9);
	transition: opacity .5s cubic-bezier(.22, 1, .36, 1), transform .5s cubic-bezier(.22, 1, .36, 1);
}
.enter-honor-grid.is-visible .enter-honor-item {
	opacity: 1;
	transform: scale(1);
}
.enter-honor-grid.is-visible .enter-honor-item:nth-child(1) { transition-delay: .05s; }
.enter-honor-grid.is-visible .enter-honor-item:nth-child(2) { transition-delay: .1s; }
.enter-honor-grid.is-visible .enter-honor-item:nth-child(3) { transition-delay: .15s; }
.enter-honor-grid.is-visible .enter-honor-item:nth-child(4) { transition-delay: .2s; }
.enter-honor-grid.is-visible .enter-honor-item:nth-child(5) { transition-delay: .25s; }
.enter-honor-grid.is-visible .enter-honor-item:nth-child(6) { transition-delay: .3s; }
.enter-honor-grid.is-visible .enter-honor-item:nth-child(7) { transition-delay: .35s; }
.enter-honor-grid.is-visible .enter-honor-item:nth-child(8) { transition-delay: .4s; }
.enter-honor-grid.is-visible .enter-honor-item:nth-child(9) { transition-delay: .45s; }
.enter-honor-frame {
	display: block;
	background: #fff;
	border-radius: 8px;
	padding: 8px;
	box-shadow: 0 6px 24px rgba(28, 73, 142, .1);
	transition: transform .35s ease, box-shadow .35s ease;
	overflow: hidden;
}
.enter-honor-frame:hover {
	transform: translateY(-4px);
	box-shadow: 0 12px 32px rgba(28, 73, 142, .18);
}
.enter-honor-frame img {
	width: 100%;
	height: clamp(80px, 12vh, 120px);
	object-fit: contain;
	display: block;
}
.enter-honor-label {
	font-size: clamp(11px, 1.1vw, 13px);
	color: var(--secondary);
	font-weight: 600;
	margin: 8px 0 0;
	line-height: 1.4;
}

/* ========== 模块4 · 峥嵘岁月 ========== */
.enter-section--years .enter-bg {
	background-image: url('/static/index/img/enter/4.png');
}
.enter-section--years .enter-overlay {
	background: linear-gradient(90deg, rgba(255, 255, 255, .82) 0%, rgba(255, 255, 255, .45) 45%, transparent 70%);
}
.enter-body--years {
	justify-content: center;
	align-items: flex-start;
	text-align: left;
}
.enter-years-title {
	margin-bottom: clamp(24px, 4vh, 40px);
	opacity: 0;
	transform: translateX(-30px);
	transition: all .9s cubic-bezier(.22, 1, .36, 1) .15s;
}
.enter-section--years.in-view .enter-years-title {
	opacity: 1;
	transform: translateX(0);
}
.enter-years-title img {
	height: clamp(160px, 28vh, 240px);
	width: auto;
	display: block;
	filter: drop-shadow(0 4px 16px rgba(28, 73, 142, .15));
}
.enter-years-lines {
	width: 100%;
}
.enter-years-line {
	text-align: left;
	margin-bottom: clamp(12px, 2vh, 18px);
	opacity: 0;
	transform: translateX(-20px);
	transition: opacity .6s cubic-bezier(.22, 1, .36, 1), transform .6s cubic-bezier(.22, 1, .36, 1);
}
.enter-years-lines.is-visible .enter-years-line {
	opacity: 1;
	transform: translateX(0);
}
.enter-years-lines.is-visible .enter-years-line:nth-child(1) { transition-delay: .1s; }
.enter-years-lines.is-visible .enter-years-line:nth-child(2) { transition-delay: .18s; }
.enter-years-lines.is-visible .enter-years-line:nth-child(3) { transition-delay: .26s; }
.enter-years-lines.is-visible .enter-years-line:nth-child(4) { transition-delay: .34s; }
.enter-years-lines.is-visible .enter-years-line:nth-child(5) { transition-delay: .42s; }
.enter-years-lines.is-visible .enter-years-line:nth-child(6) { transition-delay: .5s; }
.enter-years-line .cn {
	display: block;
	font-size: clamp(14px, 1.6vw, 16px);
	color: var(--secondary);
	font-weight: 600;
	line-height: 1.6;
}
.enter-years-line .en {
	display: block;
	font-size: clamp(11px, 1.2vw, 12px);
	color: var(--text-light);
	line-height: 1.55;
	margin-top: 4px;
	font-family: Arial, sans-serif;
}
.enter-years-line:last-child .cn {
	color: var(--primary);
}

/* ========== 模块5 · 发展历程 ========== */
.enter-history-wrap {
	padding-top: 100px;
	padding-bottom: 80px;
}
.enter-history-wrap .history-section {
	background: #fff;
	border-radius: 16px;
	box-shadow: 0 8px 40px rgba(28, 73, 142, .08);
	padding: 48px 40px 56px;
	opacity: 0;
	transform: translateY(40px);
	transition: all .85s cubic-bezier(.22, 1, .36, 1);
}
.enter-history-wrap .history-section.in-view {
	opacity: 1;
	transform: translateY(0);
}

/* 屏指示导航 */
.enter-nav-dots {
	position: fixed;
	right: 24px;
	top: 50%;
	transform: translateY(-50%);
	z-index: 900;
	display: flex;
	flex-direction: column;
	gap: 10px;
}
.enter-nav-dot {
	width: 10px;
	height: 10px;
	border-radius: 50%;
	border: 2px solid rgba(28, 73, 142, .35);
	background: transparent;
	cursor: pointer;
	padding: 0;
	transition: all .35s ease;
}
.enter-nav-dot:hover,
.enter-nav-dot.is-active {
	background: var(--primary);
	border-color: var(--primary);
	transform: scale(1.25);
	box-shadow: 0 0 12px rgba(211, 38, 41, .4);
}

/* ========== 响应式 ========== */
@media (max-width: 991px) {
	.enter-body {
		padding-top: 88px;
		padding-bottom: 32px;
	}
	.enter-slogan {
		right: 24px;
		top: 76px;
	}
	.enter-culture-grid {
		grid-template-columns: 1fr;
	}
	.enter-section--intro.enter-section--snap {
		min-height: 0;
	}
	.enter-section--intro .enter-body {
		min-height: 0;
		padding-bottom: 40px;
	}
	.enter-section--intro .enter-overlay {
		background: linear-gradient(180deg, rgba(28, 73, 142, .72) 0%, rgba(10, 42, 94, .65) 55%, rgba(10, 42, 94, .55) 100%);
	}
	.enter-intro-cols {
		grid-template-columns: 1fr;
	}
	.enter-honor-grid {
		grid-template-columns: repeat(2, 1fr);
	}
	.enter-section--years .enter-overlay {
		background: rgba(255, 255, 255, .75);
	}
	.enter-nav-dots {
		display: none;
	}
	.enter-history-wrap {
		padding-top: 88px;
		padding-bottom: 60px;
	}
	.enter-history-wrap .history-section {
		padding: 32px 20px 40px;
	}
}

@media (max-width: 767px) {
	.enter-honor-grid {
		grid-template-columns: 1fr 1fr;
		gap: 10px;
	}
	.enter-honor-frame img {
		height: 72px;
	}
	.enter-honor-label {
		font-size: 10px;
	}
}

@media (prefers-reduced-motion: reduce) {
	.enter-page *,
	.enter-page *::before,
	.enter-page *::after {
		animation: none !important;
		transition-duration: 0.01ms !important;
	}
}