:root {
	--primary: #c5a059;
	--dark: #0f1012;
	--gold: #c5a059;
	--light: #f8f9fa;
	--white: #ffffff;
}

body {
	font-family: "Optima", "PingFang SC", "Microsoft YaHei", sans-serif;
	background: #fff;
	color: #111;
	overflow-x: hidden;
}

/* --- 第一屏：视差与层叠 --- */
.hero {
	height: 100vh;
	position: relative;
	background: var(--dark);
	display: flex;
	align-items: center;
	overflow: hidden;
}

.hero-bg {
	position: absolute;
	width: 100%;
	height: 110%;
	top: -5%;
	left: 0;
	background: url('../images/banner02.jpg') center/cover;
	filter: brightness(0.4) grayscale(0.2);
	z-index: 1;
}

.hero-content {
	position: relative;
	z-index: 10;
	padding: 0 10%;
	width: 100%;
}

.hero-label {
	color: var(--primary);
	font-size: 0.8rem;
	letter-spacing: 8px;
	font-weight: 800;
	display: block;
	margin-bottom: 20px;
	transform: translateY(30px);
	opacity: 0;
	animation: fadeUp 1s forwards 0.5s;
}

.hero-title {
	font-size: clamp(3rem, 10vw, 7.5rem);
	color: #fff;
	line-height: 1;
	font-weight: 900;
	margin-bottom: 30px;
	transform: translateY(30px);
	opacity: 0;
	animation: fadeUp 1s forwards 0.8s;
}

.hero-title span {
	color: transparent;
	-webkit-text-stroke: 1px rgba(255, 255, 255, 0.3);
}

.hero-p {
	color: rgba(255, 255, 255, 0.6);
	font-size: 1.1rem;
	letter-spacing: 3px;
	max-width: 600px;
	transform: translateY(30px);
	opacity: 0;
	animation: fadeUp 1s forwards 1.1s;
}

/* --- 第二屏：企业实力（错位布局） --- */
.section-about {
	padding: 180px 10% 120px;
	position: relative;
}

.section-about .bg-watermark {
	position: absolute;
	right: 5%;
	top: 100px;
	font-size: 15vw;
	font-weight: 900;
	color: #f9f9f9;
	z-index: -1;
}

.about-grid {
	display: grid;
	grid-template-columns: 1.2fr 0.8fr;
	gap: 100px;
	align-items: start;
}

.about-text h3 {
	font-size: 2.8rem;
	font-weight: 800;
	line-height: 1.3;
	margin-bottom: 40px;
}

.about-text p {
	color: #555;
	font-size: 1.05rem;
	line-height: 2;
	margin-bottom: 25px;
	max-width: 650px;
}

.stats-vertical {
	margin-top: 60px;
	border-left: 1px solid #eee;
	padding-left: 40px;
}

.stat-item {
	margin-bottom: 40px;
}

.stat-item .num {
	font-size: 3rem;
	font-weight: 300;
	color: var(--primary);
	line-height: 1;
	display: block;
}

.stat-item .label {
	font-size: 0.75rem;
	font-weight: 800;
	letter-spacing: 2px;
	color: #999;
	text-transform: uppercase;
}

/* --- 第三屏：精美水晶合作伙伴 --- */
.section-partners {
	padding: 120px 10%;
	background: var(--light);
	text-align: center;
}

.section-partners h2 {
	font-size: 2rem;
	margin-bottom: 60px;
	letter-spacing: 2px;
}

.partner-grid {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 25px;
}

.partner-card {
	background: var(--white);
	border-radius: 20px;
	padding: 40px 20px;
	border: 1px solid #eee;
	transition: all 0.5s var(--ease);
	display: flex;
	flex-direction: column;
	gap: 10px;
	cursor: pointer;
	box-shadow: 0 10px 30px rgba(0, 0, 0, 0.02);
}

.partner-card b {
	font-size: 1.1rem;
	color: var(--dark);
}

.partner-card span {
	font-size: 0.65rem;
	color: #aaa;
	letter-spacing: 1px;
	text-transform: uppercase;
}

/* 水晶质感鼠标事件 */
.partner-card:hover {
	transform: translateY(-12px) scale(1.02);
	border-color: var(--gold);
	box-shadow: 0 30px 60px rgba(197, 160, 89, 0.15);
	background: linear-gradient(145deg, #ffffff, #fcfaf5);
}

/* --- 第四屏：精美产品清单 --- */
.section-products {
	padding: 80px 10%;
}

.section-products h2 {
	text-align: center;
	font-size: 2rem;
	margin-bottom: 50px;
	letter-spacing: 2px;
}

.product-flex {
	display: flex;
	gap: 30px;
}

.p-group {
	flex: 1;
	background: var(--white);
	padding: 50px;
	border-radius: 30px;
	box-shadow: 0 20px 50px rgba(0, 0, 0, 0.03);
	border: 1px solid #efefef;
	transition: 0.4s;
}

.p-group:hover {
	border-color: var(--gold);
}

.p-group h3 {
	color: var(--gold);
	font-size: 0.8rem;
	letter-spacing: 4px;
	margin-bottom: 30px;
	border-bottom: 1px solid #eee;
	padding-bottom: 15px;
}

.p-group ul {
	list-style: none;
}

.p-group ul li {
	padding: 15px 0;
	font-size: 1.1rem;
	color: var(--dark);
	border-bottom: 1px dashed #eee;
	display: flex;
	justify-content: space-between;
	align-items: center;
}

.p-group ul li::after {
	content: '→';
	font-size: 0.8rem;
	opacity: 0.2;
	transition: 0.3s;
}

.p-group ul li:hover::after {
	opacity: 1;
	transform: translateX(5px);
	color: var(--gold);
}

/* --- 极致页脚（左右呼吸布局） --- */
footer {
	background: var(--dark);
	color: #fff;
	padding: 120px 10% 60px;
	position: relative;
}

.footer-inner {
	max-width: 1600px;
	margin: 0 auto;
	display: flex;
	justify-content: space-between;
	align-items: flex-end;
}

.f-left {
	max-width: 500px;
}

.f-left h2 {
	font-size: 3rem;
	letter-spacing: 10px;
	font-weight: 900;
	margin-bottom: 40px;
}

.f-left p {
	color: rgba(255, 255, 255, 0.4);
	font-size: 0.9rem;
	line-height: 2;
}

.f-right {
	text-align: right;
}

.f-right .phone-label {
	color: var(--primary);
	font-size: 0.7rem;
	font-weight: 800;
	letter-spacing: 3px;
	display: block;
	margin-bottom: 15px;
}

.f-right .phone-num {
	font-size: 2.8rem;
	font-weight: 200;
	letter-spacing: -1px;
	color: #fff;
	text-decoration: none;
	display: block;
	margin-bottom: 10px;
}

.f-right .addr {
	color: rgba(255, 255, 255, 0.4);
	font-size: 0.8rem;
	letter-spacing: 1px;
}

.copyright {
	margin-top: 100px;
	padding-top: 40px;
	border-top: 1px solid rgba(255, 255, 255, 0.05);
	display: flex;
	justify-content: space-between;
	font-size: 0.7rem;
	color: rgba(255, 255, 255, 0.2);
	letter-spacing: 1px;
}

/* --- 手机端优化 --- */
@media (max-width: 1024px) {
	.about-grid {
		grid-template-columns: 1fr;
		gap: 60px;
	}

	.hero-title {
		font-size: 4rem;
	}

	.partner-grid {
		grid-template-columns: repeat(2, 1fr);
	}

	.product-flex {
		flex-direction: column;
	}

	.footer-inner {
		flex-direction: column;
		align-items: center;
		text-align: center;
		gap: 80px;
	}

	.f-right {
		text-align: center;
	}

	.f-right .phone-num {
		font-size: 2.2rem;
	}

	.copyright {
		flex-direction: column;
		align-items: center;
		gap: 20px;
	}
}

@keyframes fadeUp {
	to {
		opacity: 1;
		transform: translateY(0);
	}
}