/* ==========================================================
 * Baijia PDF Downloads
 * ========================================================== */
.baijia-pdf {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 24px;
	width: 100%;
}

.baijia-pdf-item {
	display: flex;
	flex-direction: column;
	background: #fff;
	border-radius: 12px;
	padding: 20px;
	overflow: hidden;
	transition: transform .35s ease, box-shadow .35s ease;
	min-width: 0;
}

.baijia-pdf-item:hover {
	transform: translateY(-4px);
}

/* ------ PDF 图标 ------ */
.baijia-pdf-media {
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 20px 0;
	margin-bottom: 16px;
}

.baijia-pdf-icon {
	color: #e74c3c;
	display: inline-flex;
	transition: transform .35s ease;
}

.baijia-pdf-item:hover .baijia-pdf-icon {
	transform: translateY(-4px) scale(1.05);
}

/* ------ 内容 ------ */
.baijia-pdf-body {
	display: flex;
	flex-direction: column;
	gap: 6px;
	flex: 1 1 auto;
}

.baijia-pdf-title {
	margin: 0;
	font-size: 18px;
	font-weight: 600;
	line-height: 1.4;
	color: #111;
	display: -webkit-box;
	-webkit-line-clamp: 2;
	line-clamp: 2;
	-webkit-box-orient: vertical;
	overflow: hidden;
}

.baijia-pdf-desc {
	margin: 0;
	font-size: 13px;
	line-height: 1.6;
	color: #666;
	display: -webkit-box;
	-webkit-line-clamp: 2;
	line-clamp: 2;
	-webkit-box-orient: vertical;
	overflow: hidden;
}

.baijia-pdf-size {
	font-size: 12px;
	color: #999;
	letter-spacing: .02em;
}

/* ------ 按钮 ------ */
.baijia-pdf-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	margin-top: auto;
	padding: 10px 18px;
	background: #a6ce39;
	color: #fff;
	border-radius: 999px;
	font-size: 14px;
	font-weight: 600;
	text-decoration: none;
	transition: background-color .25s ease, transform .25s ease;
	align-self: flex-start;
}

.baijia-pdf-body > .baijia-pdf-btn {
	margin-top: 14px;
}

.baijia-pdf-btn:hover {
	background: #8fb82f;
	color: #fff;
	transform: translateY(-1px);
}

.baijia-pdf-btn-ico {
	flex-shrink: 0;
}

.baijia-pdf-btn.is-disabled {
	opacity: .5;
	cursor: not-allowed;
	pointer-events: none;
}

/* ------ 水平布局 ------ */
.baijia-pdf--horizontal .baijia-pdf-item {
	flex-direction: row;
	align-items: stretch;
	gap: 16px;
}

.baijia-pdf--horizontal .baijia-pdf-media {
	width: 96px;
	min-width: 96px;
	aspect-ratio: 1 / 1;
	margin-bottom: 0;
}

.baijia-pdf--horizontal .baijia-pdf-icon svg {
	width: 40px;
	height: 50px;
}

/* ==========================================================
 * 进入动画
 * ========================================================== */
/* 只有 JS 就绪后（添加 .is-ready）才触发动画，否则保持可见 */
.baijia-pdf.is-ready[class*="baijia-pdf--anim-"] .baijia-pdf-item {
	opacity: 0;
	will-change: transform, opacity;
	transition:
		opacity var(--bjpdf-duration, 700ms) ease var(--bjpdf-delay, 0ms),
		transform var(--bjpdf-duration, 700ms) cubic-bezier(0.22, 1, 0.36, 1) var(--bjpdf-delay, 0ms);
}

.baijia-pdf.is-ready.baijia-pdf--anim-up .baijia-pdf-item {
	transform: translateY(var(--bjpdf-distance, 40px));
}
.baijia-pdf.is-ready.baijia-pdf--anim-down .baijia-pdf-item {
	transform: translateY(calc(-1 * var(--bjpdf-distance, 40px)));
}
.baijia-pdf.is-ready.baijia-pdf--anim-left .baijia-pdf-item {
	transform: translateX(calc(-1 * var(--bjpdf-distance, 40px)));
}
.baijia-pdf.is-ready.baijia-pdf--anim-right .baijia-pdf-item {
	transform: translateX(var(--bjpdf-distance, 40px));
}
.baijia-pdf.is-ready.baijia-pdf--anim-zoom .baijia-pdf-item {
	transform: scale(.9);
}
.baijia-pdf.is-ready.baijia-pdf--anim-fade .baijia-pdf-item {
	transform: none;
}

.baijia-pdf.is-ready[class*="baijia-pdf--anim-"] .baijia-pdf-item.is-in {
	opacity: 1;
	transform: none;
}

@media (prefers-reduced-motion: reduce) {
	.baijia-pdf.is-ready[class*="baijia-pdf--anim-"] .baijia-pdf-item {
		opacity: 1;
		transform: none;
		transition: none;
	}
}

/* ==========================================================
 * 响应式
 * ========================================================== */
@media (max-width: 1024px) {
	.baijia-pdf {
		grid-template-columns: repeat(2, minmax(0, 1fr));
		gap: 20px;
	}
}

@media (max-width: 640px) {
	.baijia-pdf {
		grid-template-columns: 1fr;
		gap: 16px;
	}
	.baijia-pdf-item {
		padding: 16px;
	}
	.baijia-pdf-title {
		font-size: 16px;
	}
}