* {
	font-family: arial;
}

.com-banner {
	width: 100%;
}

.com-banner .swiper-slide a {
	width: 100%;
	height: 100%;
}

.com-banner .swiper-slide img {
	width: 100%;
	height: 100%;
}

.product-details {
	margin-top: 100px;
}

.video {
	width: 35.7%;
	margin: 0 33px
}

.video>video {
	width: 100%;
	height: 350px;
	object-fit: inherit;
}

.video,
.product-introduct {
	float: left;
}

.video.active {
	position: fixed;
	height: 100%;
	width: 100%;
	left: 0;
	top: 0;
	z-index: 2000;
}

.product-introduct {
	width: 52.86%;
	position: relative;
}

/* .product-introduct:after {
	z-index: -1;
	content: "";
	position: absolute;
	right: 2.5px;
	top: 50%;
	transform: translateY(-40%);
	width: 1px;
	height: 75%;
	background-color: #999999;
} */

.square {
	font-size: 24px;
	position: relative;
	font-weight: 700;
	/* 	padding-left: 22px; */
	display: inline-block;
}

/* .square:before{position: absolute;left:0;top:50%;transform:translateY(-50%);	width: 13px;height: 13px;background-color: #000000;content: "";} */
.introduce-content {
	height: auto;
	width: 100%;
	font-size: 17px;
	line-height: 29px;
	text-align: justify;
	color: #000;
	margin-top: 15px;
	/* padding-right: 55px; */
	overflow: auto;
}

.more {
	text-decoration: underline;
	font-size: 20px;
	font-weight: 700;
	position: absolute;
	right: 0;
	/* bottom: 0; */
}

/*滚动条样式
	.introduce-content::-webkit-scrollbar {
		/*滚动条整体样式*/
width: 5px;
}

.introduce-content::-webkit-scrollbar-thumb {
	/*滚动条里面小方块*/

	width: 5px;
	height: 60px;
	margin-top: 20px;
	background-color: #000;
	border-radius: 2px;
}

/*z证书*/
.cerificate {
	height: 610px;
	background-color: #f3f3f3;
	width: 100%;
	margin: 150px 0;
}

.cerificate>div,
.download {
	padding: 0 50px;
}

.cerificate .square {
	margin-top: 90px;
	display: inline-block;
}

.cerificate-subtitle {
	font-size: 16px;
	color: #333;
	height: 18px;
	/* padding-left: 22px; */
}

.banner-box {
	padding: 0 100px;
	position: relative;
}

.cerificate-banner {
	margin: 60px 0;
	position: static;
}

.cerificate-banner .swiper-wrapper {
	display: flex;
	align-items: center;
}

.cerificate-banner .swiper-slide img {
	width: 100%;
	height: 100%;
}

@media (min-width:1200px) {
	.cerificate-banner .swiper-slide {
		width: 217px !important;
		height: 250px;
	}

	.cerificate-banner .swiper-slide-active {
		height: 370px;
		width: 320px !important;
	}
	
	.introduce-content {
	    height: 290px;
	}
}

.cerificate-banner .swiper-slide>a,
.cerificate-banner .swiper-slide-active a {
	height: 100%;
}

/*定义arrow的公共代码*/
.swiper-button-prev,
.swiper-container-rtl .swiper-button-next {
	background-image: url(../images/arrowLeft.png);
	background-size: 100% 100%
}

.swiper-button-next,
.swiper-container-rtl .swiper-button-prev {
	background-image: url(../images/arrowRight.png);
	background-size: 100% 100%
}

.swiper-button-next,
.swiper-button-prev {
	width: 63px;
	height: 59px;
}

/*download*/
.download-list {
	margin-top: 118px;
	margin-bottom: 90px;
}

.download-list>li:not(:nth-child(3n)) {
	margin-right: 2.8%;
}

.download-list>li {
	margin-bottom: 60px;
	width: 31.4616%;
}

.download-list>li>p {
	margin-top: 10px;
}

.download-list>li>p>span {
	font-size: 16px;
	display: inline-block;
	width: 66%;
}

.download-list>li>p>a {
	width: 103px;
	height: 34px;
	line-height: 34px;
	margin-right: 19px;
	background-color: #939594;
	font-size: 14px;
	color: #fff;
	text-align: center;
	position: relative;
}

.download-list>li>p>a:after {
	position: absolute;
	right: -19px;
	top: 0;
	content: "";
	width: 18px;
	height: 34px;
	background-color: #939594;
}

.download-list a img {
	width: 100%;
	height: 287px;
}

/**/
.wcontent {
	margin-bottom: 130px;
	text-align: center;
	margin-top: 40px;
}



@media only screen and (max-width:767px) {
	.com-banner {
		width: 100%;
		height: auto;
	}

	.product-details {
		margin-top: 30px;
	}

	.video {
		width: 100%;
		margin: 0;
	}

	.video>video {
		width: 100%;
		height: auto;
	}

	.product-introduct {
		width: 100%;
	}

	.cerificate {
		height: 300px;
		margin: 86px 0;
	}

	.cerificate>div,
	.download {
		padding: 0 10px;
	}

	.cerificate .square {
		margin-top: 30px;
	}

	.cerificate-banner {
		margin: 40px 0;
		position: static;
	}

	.swiper-button-next,
	.swiper-button-prev {
		width: 30px;
		height: 26px;
	}

	.banner-box {
		padding: 0 50px;
	}

	.download-list {
		margin-top: 25px;
		margin-bottom: 25px;
	}

	.download-list>li {
		margin-bottom: 15px;
		width: 49%;
	}

	.download-list>li:not(:nth-child(3n)) {
		margin-right: 0;
	}

	.download-list>li:not(:nth-child(2n)) {
		margin-right: 2%;
	}

	.download-list div img {
		height: 130px;
		width: 100%;
	}

	.download-list>li>p {
		display: block;
		justify-content: inherit;
		align-items: inherit;
	}

	.download-list>li>p>span {
		display: block;
		margin-bottom: 10px;
		width: 100%;
	}

	.wcontent {
		margin-bottom: 50px;
		margin-top: 20px;
		max-height: 250px;
		overflow-x: hidden;
		overflow-y: auto;
	}

	.cerificate-banner .swiper-slide {
		height: 110px;
	}

	.cerificate-banner .swiper-slide-active {
		height: 140px;
	}
	
	.introduce-content {
	    font-size: 15px;
	    line-height: 28px;
	}
}