.about_section {
	padding: 40px 0 60px;
}

.about_layout {
	display: flex;
	gap: 30px;
	align-items: flex-start;
}

.about_sidebar {
	width: 260px;
	flex-shrink: 0;
	background: white;
	border-radius: 8px;
	overflow: hidden;
	box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.sidebar_header {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 10px;
	padding: 24px 20px;
	background: var(--primary);
	color: white;
}

.sidebar_header svg {
	width: 28px;
	height: 28px;
}

.sidebar_header span {
	font-size: 18px;
	font-weight: 600;
}

.sidebar_nav {
	display: flex;
	flex-direction: column;
}

.sidebar_item {
	display: flex;
	align-items: center;
	gap: 12px;
	padding: 16px 24px;
	font-size: 15px;
	color: var(--text-gray);
	border-bottom: 1px solid var(--border);
	transition: all 0.25s ease;
	cursor: pointer;
	position: relative;
}

.sidebar_item:last-child {
	border-bottom: none;
}

.sidebar_item::before {
	content: '';
	position: absolute;
	left: 0;
	top: 0;
	bottom: 0;
	width: 3px;
	background: transparent;
	transition: background 0.25s ease;
}

.sidebar_item:hover {
	background: rgba(201, 162, 39, 0.06);
	color: var(--primary);
}

.sidebar_item.active {
	background: rgba(201, 162, 39, 0.08);
	color: var(--primary);
	font-weight: 500;
}

.sidebar_item.active::before {
	background: var(--accent);
}

.sidebar_icon {
	width: 18px;
	height: 18px;
	flex-shrink: 0;
}

.about_main {
	flex: 1;
	min-width: 0;
	background: white;
	border-radius: 8px;
	box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
	overflow: hidden;
}

.about_header {
	display: flex;
	align-items: center;
	gap: 10px;
	padding: 20px 30px;
	border-bottom: 1px solid var(--border);
}

.about_header svg {
	width: 24px;
	height: 24px;
	color: var(--primary);
}

.about_header h1 {
	font-size: 20px;
	font-weight: 600;
	color: var(--text-dark);
	margin: 0;
}

.about_content {
	padding: 30px;
}

.content_body {
	font-size: 15px;
	line-height: 1.9;
	color: var(--text-gray);
}

.content_body h2,
.content_body h3 {
	font-size: 17px;
	font-weight: 600;
	color: var(--text-dark);
	margin: 24px 0 14px;
	padding-left: 12px;
	border-left: 3px solid var(--accent);
}

.content_body h2:first-child,
.content_body h3:first-child {
	margin-top: 0;
}

.content_body p {
	margin-bottom: 14px;
	text-align: justify;
}

.content_body img {
	max-width: 100%;
	height: auto;
	border-radius: 6px;
	margin: 16px 0;
}

.content_body table {
	width: 100%;
	border-collapse: collapse;
	margin: 16px 0;
}

.content_body table th,
.content_body table td {
	border: 1px solid var(--border);
	padding: 10px 14px;
	font-size: 14px;
	text-align: left;
}

.content_body table th {
	background: var(--surface);
	font-weight: 600;
	color: var(--text-dark);
}

.content_loading {
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 60px 0;
	color: var(--muted);
	font-size: 14px;
}

@media (max-width: 768px) {
	.about_section {
		padding: 20px 0 40px;
	}

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

	.about_sidebar {
		width: 100%;
	}

	.sidebar_nav {
		flex-direction: row;
		overflow-x: auto;
		-webkit-overflow-scrolling: touch;
	}

	.sidebar_item {
		flex-shrink: 0;
		border-bottom: none;
		border-right: 1px solid var(--border);
		padding: 12px 18px;
		font-size: 14px;
		white-space: nowrap;
	}

	.sidebar_item::before {
		left: 0;
		right: 0;
		top: auto;
		bottom: 0;
		width: auto;
		height: 3px;
	}

	.sidebar_item:last-child {
		border-right: none;
	}

	.about_content {
		padding: 20px;
	}

	.content_body {
		font-size: 14px;
	}
}