* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
	font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}
body {
	background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
	color: #222;
	min-height: 100vh;
	padding: 2rem;
	/*font-family: 'Times New Roman', serif;
	 line-height: 1.6;
	 margin: 20px;
	 background-color: #f9f9f9;
	 color: #333;*/
}
h1, h2 {
	font-size: 3.5rem;
	margin-bottom: 0.5rem;
	text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
	background: linear-gradient(to right, #ff7e5f, #feb47b);
	-webkit-background-clip: text;
	background-clip: text;
	color: transparent;
	/*text-align: center;
	 color: #003366;*/
}
h2 {
	text-align: center;
	border: 5px solid rgba(45, 77, 99, 0.5);
	/*box-shadow: 5 5px 32px rgba(0, 0, 0, 0.2);*/
	border-radius: 10px;
}
.container {
	max-width: 1200px;
	margin: 0 auto;
	padding: 20px;
	background: white;
	border: 1px solid #ccc;
	box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}
.sections-container {
	display: grid;
	/* grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));*/
	gap: 2rem;
}
.two-column {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 10px;
}
.section {
	background: rgba(255, 255, 255, 0.1);
	backdrop-filter: blur(10px);
	border-radius: 15px;
	padding: 2rem;
	box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
	border: 1px solid rgba(255, 255, 255, 0.18);
	transition: transform 0.3s ease, box-shadow 0.3s ease;
	/*margin: 20px 0;
	 padding: 15px;
	 border: 1px solid #003366;
	 border-radius: 5px;
	 background: #f5f5f5;*/
}
.section-title {
	font-size: 2rem;
	text-align: center;
	font-weight: bold;
	margin-bottom: 1.5rem;
	padding-bottom: 0.8rem;
	border-bottom: 2px solid rgba(255, 255, 255, 0.2);
	display: flex;
	align-items: center;
	color: #003366;
	
}
.formula {
	background: rgba(0, 0, 0, 0.2);
	padding: 1.5rem;
	border-radius: 10px;
	margin-bottom: 1.2rem;
	font-size: 1.4rem;
	line-height: 1.6;
	border-left: 4px solid;
	cursor: pointer;
	transition: all 0.3s ease;
}
.formula:hover {
	background: rgba(255, 255, 255, 0.15);
	transform: translateX(5px);
}
/*.formula::before {
 content: " ";
 display: block;
 width: 100%;
 height: 20px;
 background: #ffffff;
 margin: 10px 0;
 }
 .formula::after {
 content: " ";
 display: block;
 width: 100%;
 height: 20px;
 background: #ffffff;
 margin: 10px 0;
 }*/
.formula a {
	color: #003366;
	text-decoration: none;
}
.formula a:hover {
	text-decoration: underline;
}
.formula p {
	margin: 0;
	padding: 5px 0;
}
.formula span {
	font-style: italic;
}
.formula .note {
	font-size: 0.9em;
	color: #555;
	margin-top: 5px;
}
.formula .note::before {
	content: " ";
	display: block;
	width: 100%;
	height: 1px;
	background: #003366;
	margin: 5px 0;
}
.formula:last-child {
	margin-bottom: 0;
}
@media (max-width: 768px) {
	.sections-container {
		grid-template-columns: 1fr;
	}
	
	h1 {
		font-size: 2.5rem;
	}
}