.ptPic {
	height: 475px; width: 100%; overflow: hidden;
}
	.ptImg {
		height: 475px; width: 1400px; overflow: hidden;
		display: none;
	}
	.ptTip {
		display: none;
	}

.introH3 {
	height: 144px; width: 1400px; overflow: hidden;
	margin: 80px auto 90px; padding: 0;
	background: url('../img/product_h4.png') no-repeat center center;
	font-size: 40px !important; line-height: 144px; text-align: center;
	color: #fff;
}
.mainBox {

}
	.main {
		height: 561px; width: 1400px; overflow: hidden;
		margin: 0 auto; padding: 0;
	}
		.itmPic {
			display: block;
			height: 555px; width: 520px; overflow: hidden;
			border: 3px solid #eeeeee;
		}
			.itmImg {
				display: block;
				height: 555px; width: 520px; overflow: hidden;
			}
			.itmTip {
				display: none;
			}
		.itmMain {
			display: block;
			height: 561px; width: 780px; overflow: hidden;
		}
			.itmH4 {
				height: 90px; width: 100%; overflow: hidden;
				font-size: 36px !important; line-height: 90px; font-weight: bold;
				color: #005796;
				margin: 0 auto 20px; padding: 0;
			}
			.itmDesc {
				color: #333333;
				font-size: 24px; line-height: 60px;
			}
.contentBox {
	background-color: #f7f7f9;
	min-height: 500px; width: 100%; min-width: 1400px; overflow: hidden;
	margin: 90px auto 0; padding: 80px 0 150px;
}
.content {
	min-height: 500px; width: 1400px; overflow: hidden;
	margin: 0 auto; padding: 0;
}