	html {
		width: 100%;
		-webkit-text-size-adjust: 100%;
	}

	body {
		width: 100%;
		max-width: 100vw;
		position: relative;
		overflow-x: hidden;
	}

	/* 确保所有容器不超出视口 */
	* {
		max-width: 100%;
		box-sizing: border-box;
	}

	/* 980-1600px 宽度范围的响应式设计 */
	@media (min-width: 980px) and (max-width: 1600px) {

		/* 主容器自适应宽度 */
		.ww {
			width: 95% !important;
			max-width: 1360px !important;
			padding-left: 20px;
			padding-right: 20px;
		}

		/* 导航栏自适应 */
		.header .hbox {
			width: 95% !important;
			max-width: 1360px !important;
		}

		.header .hlogo .hlbox img {
			max-height: 30px !important;
		}

		#searchword {
			max-width: 190px !important;
		}

		.hsearch .layui-form {
			margin-left: 20px !important;
		}


		.commenu ul li ul,
		.hsearch ul li ul {
			max-width: 900px;
		}
	}

	/* YouTube 视频弹窗样式 */
	.video-modal {
		position: fixed;
		z-index: 9999;
		left: 0;
		top: 0;
		width: 100%;
		height: 100%;
		background-color: rgba(0, 0, 0, 0.8);
		display: flex;
		justify-content: center;
		align-items: center;
	}

	.video-modal-content {
		position: relative;
		background-color: transparent;
		padding: 0;
		border-radius: 0;
		width: 95%;
		height: 95%;
		max-width: 1200px;
		max-height: 800px;
	}

	.close-video {
		position: absolute;
		top: -10px;
		right: -10px;
		color: #fff;
		font-size: 30px;
		font-weight: bold;
		cursor: pointer;
		background-color: #ff0000;
		width: 40px;
		height: 40px;
		border-radius: 50%;
		display: flex;
		align-items: center;
		justify-content: center;
		z-index: 10000;
	}

	.close-video:hover {
		background-color: #cc0000;
	}

	.video-container {
		position: relative;
		width: 100%;
		height: 100%;
	}

	.video-container iframe {
		width: 100%;
		height: 100%;
		min-height: 500px;
		border: none;
		border-radius: 8px;
	}

	/* 响应式设计 */
	@media (max-width: 768px) {
		.video-modal-content {
			width: 98%;
			height: 90%;
			padding: 0;
			margin: 0;
		}

		.video-container iframe {
			min-height: 300px;
			border-radius: 4px;
		}
	}

	@media (max-width: 480px) {
		.video-modal-content {
			width: 100%;
			height: 85%;
		}

		.video-container iframe {
			min-height: 250px;
		}
	}

	.whatsapp-hover {
		position: relative;
		display: inline-block;
	}

	.whatsapp-hover .hover-image {
		position: absolute !important;
		top: 100%;
		left: 50%;
		transform: translateX(-50%);
		background: white;
		padding: 10px;
		border-radius: 8px;
		box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
		opacity: 0 !important;
		visibility: hidden !important;
		transition: all 0.3s ease;
		z-index: 1000;
		margin-top: 5px;
		display: block;
	}

	.whatsapp-hover:hover .hover-image {
		opacity: 1 !important;
		visibility: visible !important;
	}

	.whatsapp-hover .hover-image::before {
		content: '';
		position: absolute;
		top: -6px;
		left: 50%;
		transform: translateX(-50%);
		border-left: 6px solid transparent;
		border-right: 6px solid transparent;
		border-bottom: 6px solid white;
	}

	.wechat-hover {
		text-decoration: none;
		transition: text-decoration 0.3s ease;
	}

	.wechat-hover:hover {
		text-decoration: underline;
	}

	/* History Timeline Styles */
	.history {
		background: linear-gradient(180deg, #0099ff 0%, #0055aa 100%);
		padding: 80px 0;
		color: #fff;
		position: relative;
		overflow: hidden;
	}

	.history .info {
		position: relative;
		z-index: 2;
		margin-bottom: 20px;
	}

	.history .info h2 {
		color: #fff !important;
		font-size: 48px !important;
		margin-bottom: 20px;
	}

	.history .info p {
		color: #fff;
		font-size: 18px;
		max-width: 800px;
	}

	.history-timeline {
		position: relative;
		height: 600px;
		width: 100%;
		margin-top: 40px;
	}

	.history-svg-container {
		position: absolute;
		top: 0;
		left: 0;
		width: 100%;
		height: 100%;
		z-index: 1;
	}

	.history-item {
		position: absolute;
		width: 250px;
		z-index: 2;
		color: #fff;
		display: flex;
		flex-direction: column;
		align-items: center;
	}

	.history-item .year {
		font-size: 36px;
		font-weight: bold;
		margin-bottom: 10px;
	}

	.history-item .desc {
		font-size: 14px;
		line-height: 1.5;
		opacity: 0.9;
	}

	.history-item.highlight .year {
		color: #ffff00;
	}

	.history-pin {
		position: absolute;
		width: 1px;
		background-color: rgba(255, 255, 255, 0.5);
		z-index: 1;
	}

	.history-dot {
		position: absolute;
		width: 12px;
		height: 12px;
		background: #fff;
		border-radius: 50%;
		transform: translate(-50%, -50%);
		z-index: 3;
		box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.2);
	}

	/* Override existing styles */
	.history .list-cc {
		padding: 0;
		border: none;
		box-shadow: none;
		margin: 0;
	}

	.history .list {
		display: block;
		grid-template-columns: none;
	}

	.history .list::after {
		display: none;
	}

	@media (max-width: 768px) {
		.history {
			padding-top: 40px;
			padding-bottom: 60px;
			background: #3699ff !important;
			background-image: none !important;
		}

		.history .info h2 {
			font-size: 32px !important;
			text-align: left;
		}

		.history .info p {
			text-align: left;
			margin-bottom: 40px;
			padding: 0 15px;
		}

		.history-timeline {
			height: auto !important;
			display: flex;
			flex-direction: column-reverse; /* Newest first */
			position: relative;
			padding-top: 40px;
			margin-top: 0;
		}

		
		/* Solid central line behind arrows */
		/* .history-timeline::after {
			display: block;
			content: '';
			position: absolute;
			top: 0;
			bottom: 0;
			left: 50%;
			width: 2px;
			background: rgba(255,255,255,0.5);
			transform: translateX(-50%);
			z-index: 0;
		} */

		.history-svg-container {
			display: none;
		}

		.history-group {
			position: relative !important;
			width: 100% !important;
			height: auto !important;
			left: 0 !important;
			top: 0 !important;
			margin: 0 0 20px 0 !important;
			padding: 0;
			display: flex;
			align-items: center;
			justify-content: center;
			
			/* Override JS inline styles */
			animation: none !important; 
			opacity: 1 !important;
			visibility: visible !important;
			transform: none !important;
		}

		/* Visible Dot */
		.history-dot {
			display: block !important;
			position: absolute !important;
			left: 50% !important;
			top: 50% !important;
			transform: translate(-50%, -50%) !important;
			width: 8px;
			height: 8px;
			background: #1967b2;
			border-radius: 50%;
			z-index: 10;
			box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.2);
		}

		.history-pin {
			display: none !important;
		}

		.history-item {
			position: relative !important;
			width: 100% !important;
			left: auto !important;
			top: auto !important;
			bottom: auto !important;
			margin: 0 !important;
			display: flex;
			align-items: center;
			justify-content: center;
			gap: 40px; /* Space for center line */
		}

		
		
		/* ODD Groups: Text Left, Year Right */
		.history-group:nth-child(2n+1) .history-item {
			flex-direction: row-reverse !important;
		}
		
		.history-group:nth-child(2n+1) .history-item .desc {
			text-align: right;
		}
		
		.history-group:nth-child(2n+1) .history-item .year {
			justify-content: flex-start;
			flex-direction: column-reverse;
			align-items: flex-start;
		}
		
		.history-group:nth-child(2n+1) .history-item .year::before {
			content: '';
			display: block !important;
			width: 110px;
			height: 2px;
			background: rgba(255,255,255,0.8);
			margin-left: -50px;
		}

		/* EVEN Groups: Year Left, Text Right */
		.history-group:nth-child(2n) .history-item {
			flex-direction: row !important;
		}

		.history-group:nth-child(2n) .history-item .desc {
			text-align: left;
		}

		.history-group:nth-child(2n) .history-item .year {
			justify-content: flex-end;
			flex-direction: column;
			align-items: flex-end;
		}

		.history-group:nth-child(2n) .history-item .year::after {
			content: '';
			display: block !important;
			width: 110px;
			height: 2px;
			background: rgba(255,255,255,0.8);
			margin-right: -50px;
		}
		
		/* Common Item Styles */
		.history-item .year {
			flex: 1;
			position: relative;
			display: flex !important;
			align-items: center;
			background: transparent !important;
			color: #fff !important;
			font-size: 28px !important;
			font-weight: bold;
			height: auto !important;
			width: 100px;
			line-height: 1.2;
			margin-top: -30px;
			writing-mode: horizontal-tb !important;
			z-index: 2;
		}

		.history-item .year::after, 
		.history-item .year::before {
			border: none;
			position: relative;
			top: auto;
			left: auto;
			bottom: auto;
			transform: none;
		}
		
		.history-item .desc {
			flex: 1;
			width: 120px;
			font-size: 14px !important;
			line-height: 1.5;
			color: rgba(255,255,255,0.9);

		}

		.history-arrow {
			display: block !important;
			flex: none;
			position: relative;
			display: inline-block;
			background: #f9f9f9;
			color: #8c8c8c;
			font-size: 24px !important;
			font-weight: bold;
			height: 150px;
			width: 40px;
			line-height: normal;
			text-align: center;
			margin: 0;
			writing-mode: vertical-lr; /* Vertical text */
			display: flex;
			align-items: center;
			justify-content: center;
			z-index: 2;
		}

		/* Top Tip (Arrow pointing Up) */
		.history-arrow::after {
			content: '';
			position: absolute;
			top: -20px;
			left: 50%;
			transform: translateX(-50%);
			width: 0;
			height: 0;
			border-left: 20px solid transparent;
			border-right: 20px solid transparent;
			border-bottom: 20px solid #f9f9f9;
			z-index: 3;
		}

		/* Bottom Notch (Cutout pointing Up) */
		.history-arrow::before {
			content: '';
			position: absolute;
			bottom: 0;
			left: 50%;
			transform: translateX(-50%);
			width: 0;
			height: 0;
			border-left: 20px solid transparent;
			border-right: 20px solid transparent;
			border-bottom: 20px solid #3699ff; /* Match section background */
			z-index: 3;
		}
	}

/* Additional Arrow Style */
.history-arrow {
	display: none;
}