.master-class-content {
	font-family: Arial, sans-serif;
	max-width: 1200px;
	margin: 0 auto;
	padding: 20px;
	color: #333;
	line-height: 1.6;
}

.master-class-content h1 {
	color: #2a7ae2;
	font-size: 2.2em;
	margin-bottom: 20px;
	text-align: center;
}

.master-class-content h2 {
	color: #1a4d8f;
	font-size: 1.8em;
	margin-top: 40px;
	margin-bottom: 20px;
	border-bottom: 2px solid #e9ecef;
	padding-bottom: 10px;
}

.master-class-content h3 {
	color: #264653;
	font-size: 1.5em;
	margin-top: 30px;
	margin-bottom: 15px;
}

.master-class-content p {
	margin-bottom: 20px;
	font-size: 1.1em;
}

.master-class-content ul, .master-class-content ol {
	margin-bottom: 20px;
	padding-left: 25px;
}

.master-class-content li {
	margin-bottom: 10px;
	font-size: 1.1em;
}

.master-class-content .tip-box {
	background-color: #f8f9fa;
	border-left: 4px solid #2a7ae2;
	padding: 15px 20px;
	margin: 25px 0;
	border-radius: 5px;
}

.master-class-content .warning-box {
	background-color: #fff3cd;
	border-left: 4px solid #e9c46a;
	padding: 15px 20px;
	margin: 25px 0;
	border-radius: 5px;
}

.master-class-content .method-card {
	background-color: #f8f9fa;
	border-radius: 8px;
	padding: 20px;
	margin-bottom: 30px;
	box-shadow: 0 2px 5px rgba(0, 0, 0, .1);
}

.master-class-content .method-card h3 {
	color: #2a7ae2;
	margin-top: 0;
	border-bottom: 1px solid #e9ecef;
	padding-bottom: 10px;
}

.master-class-content .step-by-step {
	counter-reset: step-counter;
	list-style-type: none;
	padding-left: 0;
}

.master-class-content .step-by-step li {
	position: relative;
	padding-left: 40px;
	margin-bottom: 20px;
}

.master-class-content .step-by-step li:before {
	content: counter(step-counter);
	counter-increment: step-counter;
	position: absolute;
	left: 0;
	top: 0;
	background-color: #2a7ae2;
	color: white;
	width: 28px;
	height: 28px;
	border-radius: 50%;
	text-align: center;
	line-height: 28px;
	font-weight: bold;
}

.master-class-content .fleck-types {
	display: flex;
	flex-wrap: wrap;
	gap: 20px;
	margin: 30px 0;
}

.master-class-content .fleck-type {
	flex: 1 1 300px;
	background-color: #f8f9fa;
	border-radius: 8px;
	padding: 15px;
	box-shadow: 0 2px 5px rgba(0, 0, 0, .05);
}

.master-class-content .fleck-type h4 {
	color: #264653;
	margin-top: 0;
	margin-bottom: 10px;
	font-size: 1.2em;
}

.master-class-content .conclusion {
	background-color: #e9f5f2;
	border-radius: 8px;
	padding: 25px;
	margin-top: 40px;
}

.master-class-content .conclusion h2 {
	color: #2a9d8f;
	border-bottom: none;
	margin-top: 0;
}

.master-class-content .pro-tip {
	font-style: italic;
	color: #2a7ae2;
	font-weight: bold;
}

@media (max-width: 768px) {
	.master-class-content h1 {
		font-size: 1.8em;
	}
	
	.master-class-content h2 {
		font-size: 1.5em;
	}
	
	.master-class-content h3 {
		font-size: 1.3em;
	}
	
	.master-class-content .fleck-types {
		flex-direction: column;
	}
}