h1,h3,p{
	margin: 0px;
	padding: 0px;
}
.product{
	margin-top: 0.82rem;
}
.product_head{
	width: 13.88rem;
	height: auto;
	border-bottom: 1px solid #A8C7E1;
	margin: auto;
	display: flex;
	flex-direction: column;
	justify-content: flex-end;
	align-items: center;
	position: relative;
}
.product_head h1{
	font-size: 0.64rem;
	font-family: Microsoft YaHei;
	font-weight: 400;
	color: #21497E;
}
.product_head h3{
	font-size: 0.4rem;
	font-family: Microsoft YaHei;
	font-weight: 300;
	color: #A8C7E1;
	margin-bottom: 0.2rem;
}
.product_head p{
	width: 0.2rem;
	height: 0.2rem;
	border-radius: 0.2rem;
	background: #21497E;
	position: absolute;
	bottom: -0.1rem;
}
.understand{
	width: 100%;
	display: flex;
	flex-direction: column;
	align-items: center;
	padding-bottom: 2.09rem;
}
.understand img{
	width: 13.88rem;
	margin-top: 1.05rem;
}
.understand img:nth-of-type(1){
	margin-top: 0.68rem;
}
.understand_phone{
	display: none;
}
@media screen and (max-width:750px) {
	.product_head{
		width: 90%;
	}
	.understand{
		display: none;
	}
	.understand_phone{
		width: 90%;
		display: flex;
		flex-direction: column;
		align-items: center;
		margin: auto;
	}
	.understand_phone img{
		width: 100%;
		height: auto;
		margin-top: 0.5rem;
	}
}