* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
	font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
	text-decoration: none;
}

body {
	color: #333;
	line-height: 1.6;
	background-color: #f9f9f9;
}

.container {
	max-width: 1200px;
	margin: 0 auto;
	padding: 0 15px;
}

header {
	background-color: #fff;
	box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
	position: sticky;
	top: 0;
	z-index: 100;
}

.header-container {
	display: flex;
	justify-content: space-between;
	align-items: center;
	padding: 15px 0;
}

.logo {
	font-size: 24px;
	font-weight: bold;
	color: #e74c3c;
	display: flex;
	align-items: center;
	cursor: pointer;
}

.logo img {
	height: 40px;
	margin-right: 10px;
	background-image: url('./assets/logo.png');
}

nav ul {
	display: flex;
	list-style: none;
}

nav ul li {
	margin-left: 30px;
}

nav ul li a {
	text-decoration: none;
	color: #333;
	font-weight: 500;
	transition: color 0.3s;
}

nav ul li a:hover {
	color: #e74c3c;
}

.btn {
	display: inline-block;
	padding: 12px 30px;
	background-color: #e74c3c;
	color: #fff;
	text-decoration: none;
	border-radius: 4px;
	font-weight: 500;
	transition: background-color 0.3s;
}

.btn:hover {
	background-color: #c0392b;
}

.features {
	padding: 80px 0;
	background-color: #fff;
}

.section-title {
	text-align: center;
	margin-bottom: 50px;
}

.section-title h2 {
	font-size: 32px;
	color: #333;
	margin-bottom: 15px;
}

.section-title p {
	color: #777;
	font-size: 16px;
	max-width: 700px;
	margin: 0 auto 20px;
}

.features-grid {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 30px;
}

.feature-item {
	text-align: center;
	padding: 30px;
	border-radius: 8px;
	transition: transform 0.3s, box-shadow 0.3s;
}

.feature-item:hover {
	transform: translateY(-5px);
	box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.feature-icon {
	font-size: 40px;
	color: #e74c3c;
	margin-bottom: 20px;
}

.feature-item h3 {
	font-size: 20px;
	margin-bottom: 15px;
	color: #333;
}

.feature-item p {
	color: #666;
	font-size: 15px;
}

.about {
	padding: 80px 0;
	background-color: #fff;
}

.about-content {
	display: flex;
	align-items: center;
	gap: 50px;
}

.about-image {
	flex: 1;
	height: 300px;
	background-color: #f5f5f5;
	border-radius: 8px;
	background-size: cover;
	background-position: center;
}

.about-text {
	flex: 1;
}

.about-text h2 {
	font-size: 32px;
	margin-bottom: 20px;
	color: #333;
}

.about-text p {
	color: #666;
	margin-bottom: 20px;
	font-size: 16px;
}

footer {
	background-color: #f0f6fb;
	padding: 60px 0 30px;
}

.footer-content {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 30px;
	margin-bottom: 40px;
}

.footer-column h3 {
	font-size: 18px;
	margin-bottom: 20px;
	color: #fff;
}

.footer-column ul {
	list-style: none;
}

.footer-column ul li {
	margin-bottom: 10px;
}

.footer-column ul li a {
	color: #bbb;
	text-decoration: none;
	transition: color 0.3s;
}

.footer-column ul li a:hover {
	color: #fff;
}

.copyright {
	text-align: center;
	padding-top: 30px;
	color: #565656;
	font-size: 14px;
}

.banner-container {
	width: 100%;
	max-width: 1920px;
	margin: 0 auto;
	position: relative;
	overflow: hidden;
	height: 400px;
	cursor: pointer;
}

.banner-slides {
	display: flex;
	transition: transform 1s cubic-bezier(0.22, 0.61, 0.36, 1);
	height: 100%;
}

.banner-slide {
	min-width: 100%;
	position: relative;
}

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

.banner-controls {
	position: absolute;
	top: 50%;
	width: 100%;
	display: flex;
	justify-content: space-between;
	transform: translateY(-50%);
	padding: 0 20px;
	z-index: 2;
}

.banner-control {
	width: 50px;
	height: 50px;
	background: rgba(255, 255, 255, 0.2);
	border: none;
	border-radius: 50%;
	color: #fff;
	font-size: 24px;
	cursor: pointer;
	transition: all 0.3s;
	display: flex;
	align-items: center;
	justify-content: center;
	backdrop-filter: blur(5px);
}

.banner-control:hover {
	background: rgba(255, 255, 255, 0.3);
	transform: scale(1.1);
}

.banner-indicators {
	position: absolute;
	bottom: 30px;
	left: 50%;
	transform: translateX(-50%);
	display: flex;
	gap: 10px;
	z-index: 2;
}

.indicator {
	width: 10px;
	height: 10px;
	border-radius: 50%;
	background: rgba(255, 255, 255, 0.5);
	cursor: pointer;
	transition: all 0.3s;
}

.indicator.active {
	background: #fff;
	width: 30px;
	border-radius: 5px;
}

.banner-slide::after {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
}

@keyframes fadeInUp {
	from {
		opacity: 0;
		transform: translateY(20px);
	}

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

@media (max-width: 768px) {
	.banner-container {
		height: 400px;
	}

	.banner-control {
		width: 40px;
		height: 40px;
		font-size: 20px;
	}
}



@media (max-width: 992px) {
	.features-grid {
		grid-template-columns: repeat(2, 1fr);
	}

	.products-grid {
		grid-template-columns: repeat(3, 1fr);
	}

	.about-content {
		flex-direction: column;
	}

	.about-image {
		width: 100%;
	}
}

@media (max-width: 768px) {
	.header-container {
		flex-direction: column;
	}

	nav ul {
		margin-top: 20px;
	}

	nav ul li {
		margin: 0 10px;
	}

	.banner {
		height: 400px;
	}

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

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

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

@media (max-width: 576px) {
	.products-grid {
		grid-template-columns: 1fr;
	}

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