* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}
body {
	font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
	line-height: 1.6;
	color: #333;
	background-color: #f5f5f5;
}
.container {
	max-width: 980px;
	margin: 0 auto;
	padding: 0 20px;
}









/* Header */
.header {
	background-color: #fff;
	box-shadow: 0 2px 10px rgba(0,0,0,0.1);
	position: sticky;
	top: 0;
	z-index: 1000;
}
.header-content {
	display: flex;
	justify-content: space-between;
	align-items: center;
	padding: 15px 0;
}
.logo {
	display: flex;
	align-items: center;
}
.nav-list {
	display: flex;
	list-style: none;
	gap: 10px;
}
.nav-list a {
	display: block;
	text-decoration: none;
	color: #333;
	padding: 10px 20px;
	border-radius: 5px;
	transition: all 0.3s ease;
	position: relative;
	overflow: hidden;
}
.nav-list a::before {
	content: '';
	position: absolute;
	top: 0;
	left: -100%;
	width: 100%;
	height: 100%;
	background: linear-gradient(90deg, #4A90E2, #E74C3C);
	transition: left 0.3s ease;
	z-index: -1;
	border-radius: 5px;
}
.nav-list a:hover::before {
	left: 0;
}
.nav-list a:hover {
	color: #fff;
}
.mobile-menu-btn {
	display: none;
	flex-direction: column;
	gap: 5px;
	background: none;
	border: none;
	cursor: pointer;
	padding: 5px;
}
.mobile-menu-btn span {
	width: 25px;
	height: 3px;
	background-color: #333;
	transition: all 0.3s ease;
	border-radius: 2px;
}
.mobile-menu-btn.active span:nth-child(1) {
	transform: rotate(45deg) translate(8px, 8px);
}
.mobile-menu-btn.active span:nth-child(2) {
	opacity: 0;
}
.mobile-menu-btn.active span:nth-child(3) {
	transform: rotate(-45deg) translate(7px, -7px);
}








/* Content */
.content {
	background-color: #fff;
	padding: 40px 0;
	min-height: calc(100vh - 200px);
}
.content h1 {
	color: #4A90E2;
	margin-bottom: 25px;
	font-size: 2.5em;
	border-bottom: 3px solid #E74C3C;
	padding-bottom: 15px;
}
.content h2 {
	color: #4A90E2;
	margin: 30px 0 15px;
	font-size: 2em;
}
.content h3 {
	color: #333;
	margin: 25px 0 12px;
	font-size: 1.5em;
}
.content h4 {
	color: #555;
	margin: 20px 0 10px;
	font-size: 1.2em;
}
.content p {
	margin-bottom: 15px;
	text-align: justify;
	color: #555;
}
.content ul,
.content ol {
	margin: 15px 0 15px 25px;
	color: #555;
}
.content ul li,
.content ol li {
	margin-bottom: 8px;
	padding-left: 5px;
}
.content ul li {
	list-style-type: disc;
}
.content table {
	width: 100%;
	border-collapse: collapse;
	margin: 20px 0;
	box-shadow: 0 2px 10px rgba(0,0,0,0.1);
	overflow: hidden;
	border-radius: 8px;
}
.content table thead {
	background: linear-gradient(135deg, #4A90E2, #357ABD);
	color: #fff;
}
.content table th,
.content table td {
	padding: 15px;
	text-align: left;
	border-bottom: 1px solid #ddd;
}
.content table tbody tr:hover {
	background-color: #f0f8ff;
	transition: background-color 0.3s ease;
}
.content table tbody tr:last-child td {
	border-bottom: none;
}
.content img {
	max-width: 100%;
	height: auto;
	display: block;
	margin: 20px 0;
	border-radius: 8px;
	box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}










/* Footer */
.footer {
	background-color: #2c3e50;
	color: #ecf0f1;
	padding: 30px 0 0;
	margin-top: 50px;
}

.footer-top {
	display: flex;
	justify-content: space-between;
	align-items: center;
	padding-bottom: 20px;
	border-bottom: 1px solid #34495e;
}

.footer-nav ul {
	display: flex;
	list-style: none;
	gap: 20px;
}

.footer-nav a {
	color: #ecf0f1;
	text-decoration: none;
	transition: color 0.3s ease;
}

.footer-nav a:hover {
	color: #fff;
	text-decoration: underline;
}

.footer-bottom {
	text-align: center;
	padding: 20px 0;
}

.footer-bottom p {
	margin: 0;
	color: #95a5a6;
	text-align: center;
}

/* Adaptive table */
@media (max-width: 720px) {
	.nav {
		position: fixed;
		top: 80px;
		left: -100%;
		width: 100%;
		background-color: #fff;
		box-shadow: 0 5px 15px rgba(0,0,0,0.2);
		transition: left 0.3s ease;
		padding: 20px 0;
	}

	.nav.active {
		left: 0;
	}

	.nav-list {
		flex-direction: column;
		align-items: center;
		gap: 0;
	}

	.nav-list a {
		width: 100%;
		text-align: center;
		padding: 15px;
		border-radius: 0;
	}

	.mobile-menu-btn {
		display: flex;
	}

	h1 {
		font-size: 2em;
	}

	h2 {
		font-size: 1.6em;
	}

	table {
		font-size: 14px;
	}

	table thead {
		display: none;
	}

	table, table tbody, table tr, table td {
		display: block;
		width: 100%;
	}

	table tr {
		margin-bottom: 15px;
		border: 1px solid #ddd;
		border-radius: 8px;
		overflow: hidden;
	}

	table td {
		text-align: right;
		padding-left: 50%;
		position: relative;
		border-bottom: 1px solid #eee;
	}

	table td:last-child {
		border-bottom: none;
	}

	table td::before {
		content: attr(data-label);
		position: absolute;
		left: 15px;
		font-weight: bold;
		text-align: left;
		color: #4A90E2;
	}

	.footer-top {
		flex-direction: column;
		gap: 20px;
	}

	.footer-nav ul {
		flex-direction: column;
		align-items: center;
		gap: 10px;
	}
}

@media (max-width: 480px) {
	.container {
		padding: 0 15px;
	}

	h1 {
		font-size: 1.6em;
	}

	h2 {
		font-size: 1.4em;
	}

	h3 {
		font-size: 1.2em;
	}
}