* {
	box-sizing: border-box;
}

.bg-mask {
	width: 100%;
	height: 100%;
	background-color: rgb(0, 0, 0, 0.5);
	position: fixed;
	top: 0;
	left: 0;
	z-index: 50;
}

.head_lister {
	width: 300px;
	height: 100%;
	padding: 20px;
	position: absolute;
	top: 0;
	left: 0;
	background-color: #fff;
	font-size: 16px;
}

.head_lister .li {
	padding: 15px 0;
}

.head_lister a:hover {
	color: #3E61BF;
}

.fang::-webkit-scrollbar {
	width: 1px;
	height: 10px;
}

.fang::-webkit-scrollbar-thumb:hover {
	background-color: rgba(189, 189, 189, 0.5);
	background-clip: border-box;
	background-clip: padding-box;
	border-width: 3px;
	border-color: transparent;
	border-style: solid;
	border-radius: 5px;
	transition: all 0.3s;
}

.introduce {
	background-image: url("../images/home-img1.jpg");
	width: 100%;
	height: 100%;
	background-size: cover;
	padding: 4% 0 6% 0;
}

.introduce-box,
.service-box,
.detection-box {
	width: 85%;
	margin: auto;
	display: flex;
	justify-content: space-between;
	margin-top: 80px;
}

.service-box {
	height: auto;
}

.project-box {
	width: 85%;
	margin: auto;
	display: flex;
	margin-top: 80px;
}

.introduce-left {
	width: 46%;
	line-height: 30px;
	margin-top: 20px;
}

.introduce-right {
	width: 46%;
}

.more {
	width: 20%;
	padding: 8px 0;
	font-size: 16px;
	color: #0f8bfe;
	border: 1px solid #0f8bfe;
	justify-content: center;
	align-items: center;
	display: flex;
	margin-top: 50px;
}

@media only screen and (max-width: 1300px) {
	.introduce-box {
		display: block;
	}

	.introduce-left,
	.introduce-right {
		width: 100%;
	}

	.more {
		margin: 20px 0;
	}
}

@media only screen and (max-width: 1300px) {
	.more {
		width: 30%;
	}
}

.service,
.project
 {
	padding: 5% 0;
}

.service-left {
	width: 46%;
	height: 27vw;
	position: relative;
}

.service-left>img {
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.service-left-text {
	position: absolute;
	bottom: 0;
	left: 0;
	width: 100%;
	height: 50px;
	background-color: #fff;
	opacity: 0.7;
	font-size: 14px;
	text-align: center;
	line-height: 50px;
	z-index: 2;
}

.service-right {
	width: 50%;
}

.service-right-list {
	width: 100%;
	padding: 20px;
	display: flex;
	justify-content: space-between;
	box-shadow: 0 2px 4px rgba(114, 130, 138, 0.2) !important;
}

.service-right-list-left {
	width: 66%;
}

.service-right-list-right {
	width: 30%;
}

.more-box {
	width: 85%;
	margin: auto;
}

.more-box-more {
	width: 10%;
	margin: auto;
	padding: 8px 0;
	font-size: 16px;
	color: #0f8bfe;
	border: 1px solid #0f8bfe;
	justify-content: center;
	align-items: center;
	display: flex;
	margin-top: 50px;
}

.font-22 {
	font-size: 22px;
}

.font-16 {
	font-size: 16px;
	margin-top: 20px;
}

.font-24 {
	font-size: 24px;
}

.introduce-left {
	font-size: 18px;
}

@media only screen and (max-width: 1700px) {
	.service-left {
		height: 30vw;
	}

	.font-24 {
		font-size: 18px;
	}
	h1 {font-size: 34px;}
}

@media only screen and (max-width: 1600px) {
	.service-left {
		height: 32vw;
	}
	.introduce-box,
	.service-box,
	.project-box,
	.detection-box {
		margin-top: 60px;
	}
}

@media only screen and (max-width: 1400px) {
	.service-box {
		display: block;
	}
	.service-left {
		height: 34vw;
	}

	.service-left,
	.service-right {
		width: 100%;
	}

	.service-right-list {
		margin-bottom: 0;
		margin-top: 30px;
	}
	.introduce-box,
	.service-box,
	.project-box,
	.detection-box {
		margin-top: 50px;
	}
	h1 {font-size: 32px;}
	.introduce-left {
		font-size: 16px;
		line-height: 24px;
	}
}

@media only screen and (max-width: 1200px) {
	.more-box-more {
		width: 24%;
	}
	.introduce-box,
	.service-box,
	.project-box,
	.detection-box {
		margin-top: 40px;
	}
}

@media only screen and (max-width: 700px) {
	.font-22 {
		font-size: 16px;
	}

	.font-16 {
		font-size: 12px;
		margin-top: 10px;
	}
	.service-left-text {display: none;}
	.introduce-box,
	.service-box,
	.project-box,
	.detection-box {
		margin-top: 30px;
	}
	h1 {font-size: 30px;}
}

@media only screen and (max-width: 500px) {
	.more-box-more {
		width: 30%;
	}

	.font-22 {
		font-size: 14px;
	}

	.font-16 {
		font-size: 12px;
		margin-top: 6px;
	}
	h1 {font-size: 28px;}
}

.project-box-list {
	width: 32%;
	box-shadow: 0 2px 4px rgba(114, 130, 138, 0.2) !important;
	margin-bottom: 20px;
	margin-left: 1%;
}


@media only screen and (max-width: 1400px) {
	.project-box-list {
		width: 49%;
	}

	.font-24 {
		font-size: 18px;
	}
}

@media only screen and (max-width: 900px) {
	.project-box-list {
		width: 100%;
	}
	.introduce-left {
		font-size: 14px;
	}
}

.detection {
	background-image: url("../images/home-img6.jpg");
	width: 100%;
	height: 100%;
	background-size: cover;
	padding: 4% 0 6% 0;
}

.detection-box {}

.detection-box-left {
	width: 56%;
	position: relative;
}

.detection-box-left-text {
	padding: 20px;
	position: absolute;
	left: 0;
	bottom: 0;
	width: 100%;
	height: 20vm;
	line-height: 30px;
	color: #fff;
	background-image: linear-gradient(rgba(0, 0, 0, 0), rgba(3, 0, 0, 0.3), rgba(3, 0, 0, 0.6));
}

.detection-box-right {
	width: 44%;
	height: auto;
	background-color: #12487b;
	padding: 20px;

}

.detection-box-left>img {
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.detection-box-right-content {
	color: #fff;
	padding: 30px 0;
	border-bottom: 1px solid #255d92;
}

.detection-box-right>div:last-child {
	border-bottom: none;
}

.font-18 {
	font-size: 18px;
}

@media only screen and (max-width: 1400px) {
	.detection-box {
		display: block;
	}

	.detection-box-left,
	.detection-box-right {
		width: 100%;
	}

	.detection-box-right {
		margin-top: 20px;
	}

	.font-18 {
		font-size: 16px;
	}
}

.dynamic {padding: 5% 0 10% 0;}

.dynamic-box {
	display: flex;
	flex-wrap: wrap;
	justify-content: space-between;
	width: 85%;
	margin: auto;
	/* margin-top: 80px; */
}

.dynamic-box-list {
	width: 24%;
	margin-top: 80px;
}

.dynamic-box-list>img {
	width: 100%;
	height: 100%;
	object-fit: cover;
}

@media only screen and (max-width: 1400px) {
	.dynamic-box-list {
		width: 33%;
		margin-right: 0.3%;
	}
	.dynamic-box {
		justify-content: flex-start;
	}
}

@media only screen and (max-width: 1400px) {
	.dynamic-box-list {
		width: 49%;
		margin-right: 0.5%;
	}
}

@media only screen and (max-width: 700px) {
	.dynamic-box-list {
		width: 100%;
	}
	.dynamic {
		padding-bottom: 18%;
	}
}