body {
	padding: 0;
	margin: 0;
	font-family: -apple-system, BlinkMacSystemFont,
		"Segoe UI", Roboto, "Helvetica Neue",
		Arial, "PingFang SC", "Hiragino Sans GB",
		"Microsoft YaHei", sans-serif;
	font-size: 16px;
	line-height: 1.6;
}

.main {
	min-height: 100vh;
	background-image: url(bg.jpg);
	background-size: cover;
	background-position: 50%;
	position: relative
}

.main:before {
	content: "";
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background: rgba(3, 3, 3, .5);
	z-index: 1
}

.main>* {
	position: relative;
	z-index: 2
}

.content {
	max-width: 1080px;
	margin: 0 auto;
	padding: 1rem
}

.flex {
	display: flex;
	gap: 1rem
}

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

.nav {
	background: rgba(4, 4, 4, .2);
	color: #fff
}

a {
	color: #58b4fa;
	text-decoration: none
}

.logo {
	font-size: 1.5rem;
	font-weight: 700;
	line-height: 1.5rem
}

.nav a {
	color: #fff
}

.main-text {
	min-height: 70vh;
	display: flex;
	justify-content: center;
	align-items: center;
	max-width: 750px;
	margin: 0 auto;
	line-height: 1.5;
	color: #fff
}

.main-text h1 {
	font-size: 2rem
}

.center {
	text-align: center
}

.small {
	font-size: small
}

.large {
	font-size: large
}

.list {
	padding: 0;
	color: #666
}

.list h2 {
	color: #fff;
	background: #58b4fa;
	padding: 10px;
	border-radius: 5px;
}

.bg {
	background: #58b4fa;
	color: #fff;
	padding: 0 0 1rem
}

.footer {
	background: #333;
	color: #fff;
	padding: 1rem 0
}

.layout {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
	gap: 0 5px;
	position: relative
}

.layout-item {
	position: relative;
	color: grey;
	background: #fff;
	margin: 1rem 0 0;
	padding: 1rem;
	border-radius: 5px;
	box-shadow: 0 0 3px rgba(0, 0, 0, .3)
}

.layout-title {
	background: #58b4fa;
	color: #fff;
	padding: 10px;
	margin: 0 0 1rem;
	font-weight: 700;
	border-radius: 5px;
	text-align: center;
}

.layout-item b {
	color: #58b4fa;
	text-decoration: underline
}