.banner{
	background: url(../img/icon1.png) no-repeat center / cover;
	height: 483px;
	min-width: 1202px;
	padding-top: 198px;
	color: #FFF;
	text-align: center;
}
.banner h2{
	font-size: 44px;
	letter-spacing: 8px;
	line-height: 50px;	
	font-weight: bold;
}
.banner h3{
	font-size: 20px;
	line-height: 28px;
	letter-spacing: 24px;
	margin: 16px 0;
}
.banner p{
	font-size: 18px;
	line-height: 36px;
	width: 872px;
	margin: 0 auto;
}
.detail_box1{
	padding: 80px 0 60px;
	text-align: center;
}
.detail_box1 h2, .detail_box3 h2{
	color: rgb(184, 38, 33);
	letter-spacing: 8px;
	line-height: 50px;
	font-size: 44px;
	font-weight: bold;
}
.detail_box1 p, .detail_box3 p{
	font-size: 18px;
	line-height: 36px;
	color: #333;
	width: 872px;
	margin: 26px auto 50px;
}
.detail_box1 img{
	height: 510px;
}
.detail_box2{
	height: 431px;
	background: rgba(21, 21, 23, 1) url(../img/icon3.png) no-repeat center / cover;
}
.detail_box3{
	padding: 80px 0 106px;
	text-align: center;
}
.detail_box3 img{
	height: 130px;
}
.detail_box4{
	padding: 100px 0 ;
	background: linear-gradient(180deg, rgba(21, 21, 23, 1) 0%, rgba(33, 33, 46, 1) 100%);
	color: #FFF;
	height: 924px;
	text-align: center;
}
.detail_box4 h2{
	letter-spacing: 8px;
	line-height: 50px;
	font-size: 44px;
	font-weight: bold;
}
.detail_box4 p{
	font-size: 18px;
	line-height: 36px;
	width: 872px;
	margin: 26px auto 130px;
}
.detail_box4 ul{
	width: 1134px;
	margin: 0 auto;
}
.detail_box4 ul li{
	width: calc(100% / 4);
	float: left;
	padding: 120px 40px 0;
	height: 430px;
	position: relative;
	background: no-repeat center top / 70px;
}
.detail_box4 ul li::after{
	content: '';
	position: absolute;
	width: 1px;
	height: 100%;
	top: 0;
	right: -0.5px;
	background: linear-gradient(180deg, rgb(255,255,255) 0%, rgb(0, 0, 0) 100%);
}
.detail_box4 h3{
	font-size: 24px;
	line-height: 28px;
	margin-bottom: 28px;
}
.detail_box4 span{
	font-size: 18px;
	line-height: 36px;
	text-align: left;
}
.detail_box4 ul li:nth-child(1){
	background-image: url(../img/icon5.png);
}
.detail_box4 ul li:nth-child(2){
	background-image: url(../img/icon6.png);
}
.detail_box4 ul li:nth-child(3){
	background-image: url(../img/icon7.png);
}
.detail_box4 ul li:nth-child(4){
	background-image: url(../img/icon8.png);
}
.detail_box4 ul li:nth-child(4)::after{
	display: none;
}