@media (max-width: 1920px) {
	html {
			font-size: 10px;
	}
}
@media (max-width: 1600px) {
	html {
			font-size: 8px;
	}
}
@media (max-width: 1400px) {
	html {
			font-size: 7px;
	}
}
@media (max-width: 1366px) {
	html {
			font-size: 7px;
	}
}
@media (max-width: 1024px) {
	html {
			font-size: 6px;
	}
}
@media (max-width: 812px) {
	html {
			font-size: 6px;
	}
}

.about-box {
	font-family: PingFangSC-Regular;
	font-weight: 400;
	font-size: 1.6rem;
	color: #363F4F;
}
.about-box img {
	width: 100%;
	height: auto;
}
.about-box .about-img {
	position: relative;
}
.about-box .content-fixed {
	position: absolute;
	width: 100%;
	font-family: PingFangSC-Regular;
	font-weight: 400;
	font-size: 1.6rem;
	line-height: 3.2rem;
	color: #FFFFFF;
	padding: 0 10rem;
	text-align: center;
}
.about-box .content-about {
	font-size: 1.8rem;
	top: 55%;
	transform: translateY(-55%);
}
.about-box .content-about img {
	width: 18.5rem;
	height: auto;
	margin-bottom: 1.8rem;
}
.about-box .about-box-one {
	width: 120rem;
	text-align: center;
	margin: 9.6rem auto 8.3rem auto;
}
.about-box .about-box-one .font22 {
	font-size: 2.2rem;
}
.about-box .content2-img {
	position: relative;
}
.about-box .content2-content {
	top: 15rem;
}
.about-box .content2-content img {
	width: 24.2rem;
	height: auto;
	margin-bottom: 2.3rem;
}
.about-box .content4-img {
	position: relative;
}
.about-box .content4-content {
	top: 14.3rem;
}
.about-box .content4-content img {
	width: 33rem;
	height: auto;
	margin-bottom: 2.1rem;
}
.about-box .about-box2-text {
	margin: 13.5rem auto 11.4rem auto;
	font-size: 2.2rem;
}
.about-box .about-box-one img {
	margin: 8.4rem auto 7.7rem auto;
}
.about-box .about-box-flex {
	padding: 0 8rem 13.5rem 13rem;
	display: flex;
}
.about-box .about-box-flex .flex-content {
	flex: 1;
	margin-right: 5rem;
}
.about-box .about-box-flex .flex-content .flex-title {
	font-weight: 500;
	font-size: 2rem;
	margin: 5.4rem 0 1.8rem 0;
}
.about-box .about-box-flex .flex-content p {
	line-height: 3rem;
}
.about-box .about-concat {
	display: flex;
	padding: 14rem 18.8rem 14rem 27rem;
}
.about-box .about-concat .concat-item {
	flex: 1;
	letter-spacing: 0.05rem;
	text-align: left;
	line-height: 3.2rem;
}
.about-box .about-concat .concat-left {
	display: flex;
	flex-direction: column;
	justify-content: center;
	text-align: center;
	vertical-align: middle;
	margin-right: 4.5rem;
}
.about-box .about-concat .cancat-right {
	flex: 0.5;
	display: flex;
	flex-direction: column;
	justify-content: center;
	text-align: center;
	vertical-align: middle;
	text-align: left;
}
.about-box .about-concat .right-title {
	margin-top: 3.1rem;
	font-size: 4.2rem;
	line-height: 5.4rem;
	font-weight: 300;
	letter-spacing: 0.095rem;
}
select {
	appearance: none;
	-moz-appearance: none;
	-webkit-appearance: none;
	padding-right: 14px;
}


/*清除ie的默认选择框样式清除，隐藏下拉箭头*/

select::-ms-expand {
	display: none;
}

select::-ms-expand {
	display: none;
}