* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}

body {
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
	background: #FAFAFA;
	color: #1A2B3C;
	line-height: 1.8;
}

header {
	display: block;
	padding: 48px 24px 32px;
	text-align: center;
}

header h1 {
	font-size: 32px;
	font-weight: 700;
	margin-bottom: 8px;
}

header p {
	color: #64748b;
}

card {
	display: block;
	max-width: 760px;
	margin: 0 auto 24px;
	background: #FEFEFE;
	border: 1px solid #E3E3E3;
	border-radius: 12px;
	padding: 28px;
}

card:last-of-type {
	margin-bottom: 80px;
}

a {
	color: #00AAFE;
	text-decoration: none;
	transition: text-shadow 0.3s ease;
}

a:hover {
	text-shadow: 0.3px 0 0 currentColor, -0.3px 0 0 currentColor;
}

copyright {
	position: fixed;
	left: 50%;
	bottom: 30px;
	transform: translateX(-50%);
	padding: 12px 24px;
	background: rgba(30, 41, 59, 0.78);
	backdrop-filter: blur(20px) saturate(180%);
	-webkit-backdrop-filter: blur(20px) saturate(180%);
	border: none;
	border-radius: 999px;
	box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6), 0 2px 8px rgba(0, 0, 0, 0.12);
	font-size: 13px;
	color: #E3E3E3;
	letter-spacing: 0.5px;
}