@charset "utf-8";
/* CSS Document */

/* 全局变量 - 商务风格配色体系 */
:root {
	/* 主色调：商务深蓝 */
	--primary-color: #165DFF;
	--primary-dark: #0E42D2;
	--primary-light: rgba(22, 93, 255, 0.05);

	/* 辅助色：商务深灰 + 点缀绿 */
	--secondary-color: #24C47E;
	--gray-100: #F7F8FA;
	--gray-200: #E8EBF0;
	--gray-300: #86909C;
	--gray-800: #4E5969;
	--gray-900: #1D2129;

	/* 通用尺寸 */
	--spacing-xs: 0.5rem;
	--spacing-sm: 1rem;
	--spacing-md: 1.5rem;
	--spacing-lg: 2rem;
	--spacing-xl: 3rem;
	--spacing-xxl: 4rem;

	/* 圆角/阴影 */
	--radius-sm: 0.4rem;
	--radius-md: 0.8rem;
	--radius-lg: 1.2rem;
	--shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
	--shadow-md: 0 4px 16px rgba(0,0,0,0.12);

	/* 行高/字体 */
	--line-height-base: 1.7;
	--line-height-heading: 1.4;
	--font-main: "Inter", "PingFang SC", "Microsoft YaHei", sans-serif;
}

/* 全局重置 */
* {
	margin: 0;
	padding: 0;
}

body {
	font-family: var(--font-main);
	color: var(--gray-900);
	line-height: var(--line-height-base);
	background-color: #FFFFFF;
	-webkit-font-smoothing: antialiased;
}

/* 通用工具类 */
.container {
	width: 100%;
	max-width: 1200px;
	margin: 0 auto;
}

.section {
}

.section-gray {
	background-color: var(--gray-100);
}

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

.text-primary {
	color: var(--primary-color);
}

.text-secondary {
	color: var(--secondary-color);
}

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

/* 标题样式 - 商务层级感 */
h1 {
	font-size: clamp(2rem, 5vw, 3rem);
	font-weight: 700;
	line-height: var(--line-height-heading);
	color: var(--gray-900);
}

h2 {
	font-size: clamp(1.5rem, 4vw, 2.2rem);
	font-weight: 600;
	line-height: var(--line-height-heading);
	color: var(--gray-900);
	position: relative;
	display: inline-block;
	margin-bottom: var(--spacing-lg);
}

h2::after {
	content: "";
	position: absolute;
	bottom: -8px;
	left: 0;
	width: 60px;
	height: 3px;
	background-color: var(--primary-color);
	border-radius: 2px;
}

h3 {
	font-size: clamp(1.2rem, 3vw, 1.6rem);
	font-weight: 600;
	color: var(--gray-900);
	margin-bottom: var(--spacing-md);
}


/* 导航栏 - 商务简洁风格 */
header {
	background-color: #FFFFFF;
	box-shadow: var(--shadow-sm);
	position: sticky;
	top: 0;
	z-index: 999;
}

.navbar {
	display: flex;
	justify-content: space-between;
	align-items: center;
	padding: var(--spacing-sm) 0;
}

.logo {
	display: flex;
	align-items: center;
	gap: var(--spacing-sm);
}

.logo img {
	height: 48px;
	width: auto;
}

.logo-text {
	font-size: 1.4rem;
	font-weight: 700;
	color: var(--primary-color);
}

.nav-menu {
	display: flex;
	gap: var(--spacing-lg);
	list-style: none;
}

.nav-menu li a {
	text-decoration: none;
	color: var(--gray-800);
	font-weight: 500;
	transition: color 0.3s ease;
	padding: var(--spacing-xs) 0;
	border-bottom: 2px solid transparent;
}

.nav-menu li a:hover,
.nav-menu li a.active {
	color: var(--primary-color);
	border-bottom: 2px solid var(--primary-color);
}

/* 英雄区 - 商务沉浸式头部 */
.hero {
	position: relative;
	height: 600px;
	display: flex;
	align-items: center;
	background: linear-gradient(to bottom, rgb(1 102 240 / 80%) 0%, rgb(0 84 217 / 90%) 100%);
	color: #FFFFFF;
	overflow: hidden;
	margin-bottom: 40px;
}

.hero::before {
	content: "";
	position: absolute;
	inset: 0;
	opacity: 0.15;
	z-index: 0;
	z-index: 0;
}
.hero-home::before {
	background: url('https://picsum.photos/id/3/1920/1080') right -147px/cover no-repeat;
	transform: scaleX(-1);
}
.hero-development::before {
	background: url('https://picsum.photos/id/20/1920/1080') right -150px/cover no-repeat;
}
.hero-about::before {
	background: url('https://picsum.photos/id/1/1920/780') right -150px/cover no-repeat;
}
.hero-contact::before {
	background: url('https://picsum.photos/id/2/1920/780') right -150px/cover no-repeat;
}
.hero-product-journal::before {
	background: url('https://picsum.photos/id/4/1920/1080') right -300px/cover no-repeat;
}
.hero-product-conference::before {
	background: url('https://picsum.photos/id/12/1920/1080') right -300px/cover no-repeat;
}
.hero-join-social::before {
	background: url('https://picsum.photos/id/7/1920/1080') right -300px/cover no-repeat;
}
.hero-content {
	position: relative;
	z-index: 10;
	max-width: 800px;
}

.hero h1 {
	color: #01f2ff;
	margin-bottom: var(--spacing-md);
}

.hero p {
	color: rgba(255,255,255,0.9);
	font-size: 1.1rem;
	margin-bottom: var(--spacing-lg);
}

.btn {
	display: inline-block;
	padding: var(--spacing-sm) var(--spacing-lg);
	background-color: #FFFFFF;
	color: var(--primary-color);
	font-weight: 600;
	text-decoration: none;
	border-radius: var(--radius-sm);
	transition: all 0.3s ease;
	border: none;
	cursor: pointer;
}

.btn-primary {
	background-color: #00bec8;
	color: #FFFFFF;
	font-size: 18px;
}

.btn-primary:hover {
	background-color: #00a8b1;
	box-shadow: var(--shadow-sm);
}
.btn-normal {
	background-color: #00bec8;
	color: #FFFFFF;
	padding: 8px 20px;
}

.btn-normal:hover {
	background-color: #00a8b1;
	box-shadow: var(--shadow-sm);
}
.btn-outline {
	background-color: transparent;
	border: 2px solid #00bec8;
	color: #00bec8;
	margin-left: var(--spacing-sm);
}

.btn-outline:hover {
	background-color: rgba(255,255,255,0.1);
}


/* 响应式适配 */
@media (max-width: 768px) {
	.nav-menu {
		display: none;
	}

	.content-row {
		grid-template-columns: 1fr;
	}

	.hero {
		height: auto;
		padding: var(--spacing-xl) 0;
	}

	.card-grid {
		grid-template-columns: 1fr;
	}

	.contact-info {
		flex-direction: column;
	}
}
.hero_min{
	height: 400px;
}
.hero_min h1{
    margin-top: 140px;
    font-style: italic;
}