*{
	margin:0;
	padding:0;
	font-family:PingFangSC;
}
.max-width{max-width: 100%;}
.text-center{ text-align: center!important;}

.ptgk_banner{
	width: 100%;
	height: 180px;
	margin: 0 auto;
	background: url("../images/img_banner.png") no-repeat center center;
}

.ptgk_item{
  	text-align: center;
	width: 700px;
	margin:0 auto;
}
.ptgk_big_title {
	margin: 107px 0 53px;
}

.ptgk_big_title h2{
	display: inline-block;
	text-align: center;
	font-size: 43px;
	font-weight: 500;
	position:relative;
}
.ptgk_big_title h2>img{
	position:absolute;
	top: 25px;
}
.ptgk_big_title h2>img.img_title_left{ left: -110px;}
.ptgk_big_title h2>img.img_title_right{ right: -110px;}

.ptgk_small_title{
	margin: 53px 0;
	text-align: center;
}
.ptgk_small_title .ptgk_small_title_box {
	display: inline-block;
	background-color: #EBF5FF;
	height: 16px;
	border-radius: 15px;
	margin-top: 20px;
}
.ptgk_small_title h3{
	margin-top: -20px;
	font-size: 29px;
	font-weight: 500;
	z-index: 111;
}
.ptgk_item .ptgk_item_body p{
	text-align: justify;
	font-size: 19px;
	line-height: 28px;
	font-weight: 400;
}
