/* 轮播图样式 */
.index_bigPic {
	margin: 0 auto;
	width: 100%;
	max-width: 1920px;
	height: 850px;
	display: flex;
	align-items: center;
	justify-content: center;
	position: relative;
	overflow: hidden;
	background: #f5f5f5;
}

.index_bigPic .carousel-inner {
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
}

@media (max-width: 1920px) {
	.index_bigPic {
		height: auto;
		aspect-ratio: 1920 / 850;
	}
}

.main-content {
	padding-top: 70px;
}

@media (max-width: 768px) {
	.index_bigPic {
		/* aspect-ratio: 16 / 9; */
		margin-top: 10px;
	}

	.main-content {
		padding-top: 60px;
	}
}

@media (max-width: 480px) {
	.index_bigPic {
		/* aspect-ratio: 4 / 3; */
		margin-top: 20px;
	}

	.main-content {
		padding-top: 50px;
	}
}

.carousel-inner {
	position: relative;
	width: 100%;
	height: 100%;
}

.carousel-item {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	opacity: 0;
	transition: opacity 0.8s ease;
	display: flex;
	align-items: center;
	justify-content: center;
}

.carousel-item.active {
	opacity: 1;
	z-index: 1;
}

.carousel-item img {
	width: 100%;
	height: 100%;
	object-fit: contain;
	object-position: center;
	position: absolute;
	top: 0;
	left: 0;
}

.carousel-btn {
	position: absolute;
	top: 50%;
	transform: translateY(-50%);
	width: 60px;
	height: 60px;
	background: rgba(0, 0, 0, 0.5);
	color: #fff;
	display: flex;
	align-items: center;
	justify-content: center;
	cursor: pointer;
	z-index: 1;
	transition: background 0.3s ease;
	border: none;
	pointer-events: auto;
}

.carousel-btn:hover {
	background: rgba(0, 0, 0, 0.8);
}

.carousel-prev {
	left: 20px;
}

.carousel-next {
	right: 20px;
}

.carousel-indicators {
	position: absolute;
	bottom: 20px;
	left: 50%;
	transform: translateX(-50%);
	display: flex;
	gap: 12px;
	z-index: 1;
}

.carousel-indicator {
	width: 12px;
	height: 12px;
	background: rgba(255, 255, 255, 0.5);
	border-radius: 50%;
	cursor: pointer;
	transition: background 0.3s ease;
	border: 2px solid transparent;
}

.carousel-indicator.active {
	background: #fff;
	/* border-color: rgba(0, 0, 0, 0.3); */
}

.carousel-indicator:hover {
	background: rgba(255, 255, 255, 0.8);
}

@media (max-width: 768px) {
	.carousel-btn {
		width: 40px;
		height: 40px;
	}

	.carousel-prev {
		left: 10px;
	}

	.carousel-next {
		right: 10px;
	}

	.carousel-indicators {
		bottom: 15px;
		gap: 8px;
	}

	.carousel-indicator {
		width: 10px;
		height: 10px;
	}
}

@media (max-width: 480px) {
	.carousel-btn {
		width: 32px;
		height: 32px;
	}

	.carousel-btn i {
		font-size: 14px;
	}

	.carousel-indicators {
		bottom: 10px;
		gap: 6px;
	}

	.carousel-indicator {
		width: 8px;
		height: 8px;
	}
}

.carousel-item .index_bigPic-title {
	position: relative;
	z-index: 2;
}

.index_bigPic-title {
	color: #fff;
	font-size: 3.2rem;
	letter-spacing: 0.25em;
	text-shadow: 0 4px 24px rgba(0, 0, 0, 0.18), 0 1px 0 #222;
	text-align: center;
	user-select: none;
	text-transform: uppercase;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
}

.index_bigPic-title-en {
	font-size: 1.1em;
	letter-spacing: 0.1em;
}

.index_bigPic-title-zh {
	font-size: 0.8em;
	margin-top: 0.5em;
	text-transform: none;
}

@media (max-width: 768px) {
	.index_bigPic-title {
		font-size: 2rem;
	}

	.index_bigPic-title-en {
		font-size: 0.9em;
	}

	.index_bigPic-title-zh {
		font-size: 0.7em;
	}
}

@media (max-width: 480px) {
	.index_bigPic-title {
		font-size: 1.4rem;
		letter-spacing: 0.15em;
	}

	.index_bigPic-title-en {
		font-size: 0.8em;
	}

	.index_bigPic-title-zh {
		font-size: 0.65em;
	}
}