.qianse-category-intro {
	width: 100%;
	max-width: 900px;
	margin: clamp(24px, 4vw, 40px) auto;
	box-sizing: border-box;
	overflow-wrap: anywhere;
}

.qianse-category-intro summary {
	cursor: pointer;
}

.qianse-category-intro__details > summary {
	display: block;
	list-style: none;
	padding: 12px;
	border: 1px solid #f5caca;
	border-radius: 8px;
	background: #fdf5f5;
	color: #901625;
	font-size: 16px;
	font-weight: bold;
	line-height: 1.5;
	text-align: center;
}

.qianse-category-intro__details > summary::-webkit-details-marker {
	display: none;
}

.qianse-category-intro__details > summary::after {
	content: " ▾";
}

.qianse-category-intro__details[open] > summary::after {
	content: " ▴";
}

.qianse-category-intro summary:focus-visible {
	outline: 2px solid #901625;
	outline-offset: 3px;
}

.qianse-category-intro__body {
	margin-top: 15px;
	padding-top: 20px;
	border-top: 1px solid #ddd;
	font-size: 18px;
	line-height: 1.8;
}

.qianse-category-intro img {
	max-width: 100%;
	height: auto;
}