h1 {
	font-size: 44px;
	line-height: 44px;
}

h2 {
	font-size: 32px;
	line-height: 40px;
}

h3 {
	font-size: 26px;
	line-height: 32px;
}

h4 {
	font-size: 16px;
	line-height: 20px;
}
/* 内容 */
.ns-content-box {
	width: 1200px;
	margin: 0 auto;
}

.ns-content-title {
	text-align: center;
	padding-top: 50px;
	padding-bottom: 50px;
}

/*关于我们*/
.ns-about{padding: 50px 0}
.contact{padding-bottom:50px;background-image: url('../img/contact_bg.png');background-position: left bottom;background-size: cover;background-repeat: no-repeat;}

.about_content,.ns-contact_content{text-align: center;color:#373737;padding:50px 0;}
.about_content{font-size: 16px;line-height: 25px;}
.ns-contact_content>div{margin-top: 10px}
.ns-contact_content>img{width:200px;height:200px;margin-top: 64px;margin-bottom: 24px}

.free-open-shop{
	display: flex;
	flex-direction: column;
	padding: 20px;
}
.free-open-shop span{
	height: 28px;
	line-height: 28px;
}
.free-open-shop span~span{
	text-indent: 1em;
}