body {
	margin: 0;
	font-family: "questrial", 'PingFang SC',"Microsoft YaHei","微软雅黑",STXihei,"华文细黑", sans-serif;
}

h2 {
	font-size: 36px;
	margin-bottom: 20px;
}

p {
	font-size: 18px;
}

.container {
	max-width: 1200px;
	margin: 0 auto;
	padding: 0 20px;
}

.header {
	background: rgba(0,0,0,0.7);
	color: #fff;
	padding: 20px 0;
}

.nav {
	display: flex;
	justify-content: space-between;
	align-items: center;
}

.nav-logo {
	font-size: 24px;
}

.nav-menu {
	display: flex;
	gap: 20px;
}

.nav-link {
	color: #fff;
	text-decoration: none;
}

.cover {
	background-image: url(images/cover.jpeg);
	background-size: cover;
	background-position: center;
	color: #fff;
	padding: 100px 0;
	text-align: center;
}

.cover h1 {
	font-size: 48px;
	margin-bottom: 20px;
}

.cover p {
	font-size: 24px;
	margin-bottom: 40px;
}

.btn {
	display: inline-block;
	padding: 12px 24px;
	background: #000;
	color: #fff;
	text-decoration: none;
	border-radius: 4px;
}

.board-white {
	padding: 80px 0;
	background: #fff;
}

.board-black {
	padding: 80px 0;
	background: #1C1C1C;
	color: #fff;
}

.board-header {
	text-align: center;
	margin-bottom: 60px;
}

.service {
	display: flex;
	align-items: center;
	gap: 40px;
	margin-bottom: 60px;
}

.service img {
	width: 50%;
	object-fit: cover;
	aspect-ratio: 4/3;
}

.service h2 {
	font-size: 24px;
	margin-bottom: 20px;
}

.service p {
	font-size: 16px;
	line-height: 1.6;
}

.bottom {
	background: rgba(0,0,0,0.7);
	padding: 20px 0;
	text-align: center;
}

.bottom-text {
	color: rgb(187, 187, 187);
	text-decoration: none;
}