.banner {
	width: 100%;
}

.banner img {
	display: block;
	width: 100%;
}

.main {
	background-color: #FFFFFF;
	padding-bottom: 80px;
}

.main .item1 {
	padding-top: 75px;
}

.main .item1 h5.cn {
	font-family: 'pingfang';
	font-size: 56px;
	color: #3c3c3c;
	font-weight: 500;
	text-align: center;
	line-height: 86px;
	letter-spacing: 2px;
}

.main .item1 h5.en {
	font-family: arial;
	font-size: 24px;
	color: #3c3c3c;
	font-weight: 500;
	text-align: center;
	line-height: 54px;
	letter-spacing: 2px;
	opacity: 0.7;
}

.main .item1 #video_list {
	padding-top: 35px;
}

.main .item1 #video_list .swiper-slide {
	cursor: pointer;
	transition: 0.5s;
	position: relative;
	background-image: url('../images/youshi_i1.png');
	background-repeat: no-repeat;
	background-position: center center;
}

.main .item1 #video_list .swiper-slide p {
    font-size: 16px;
    color: #000;
    /*color: rgba(255,255,255,.8);*/
    text-align: center;
    width: 100%;
    line-height: 24px;
    /*position: absolute;*/
    /*top: 50%;*/
}

.main .item1 #video_list .swiper-slide .play_p {
    position: absolute;
    top: 0px;
    left: 0px;
    width: 100%;
    height: calc(100% - 24px);
    background-image: url('../images/video.png');
    background-repeat: no-repeat;
    background-position: center center;
    background-size: 80px 80px;
    /*pointer-events:none;*/
}

.main .item1 ul.youshi_list {
	display: flex;
	flex-flow: row nowrap;
	justify-content: center;
	padding-top: 60px;
}

.main .item1 ul.youshi_list li {
	margin: 0 50px;
}

.main .item1 ul.youshi_list li p {
	font-size: 16px;
	color: #8e8e8e;
	line-height: 30px;
	padding-top: 47px;
	background-repeat: no-repeat;
	background-position: top center;
}

.main .item1 ul.youshi_list li:nth-of-type(1) p {
	background-image: url(../images/youshi_i1.png);
}

.main .item1 ul.youshi_list li:nth-of-type(2) p {
	background-image: url(../images/youshi_i2.png);
}

.main .item1 ul.youshi_list li:nth-of-type(3) p {
	background-image: url(../images/youshi_i3.png);
}

.main .item1 p.summary {
	font-size: 16px;
	color: #575757;
	line-height: 30px;
	text-align: center;
	padding-top: 26px;
	padding-bottom: 60px;
}

.main .item2 {
	height: 850px;
	background-image: url(../images/make_bg.jpg);
	background-repeat: no-repeat;
	background-position: center center;
	box-sizing: border-box;
	padding-top: 90px;
}

.main .item2 h5.cn {
	font-family: 'pingfang';
	font-size: 56px;
	color: #FFFFFF;
	font-weight: 500;
	text-align: center;
	line-height: 86px;
	letter-spacing: 2px;
}

.main .item2 p.summary {
	font-size: 16px;
	color: #c2c2c2;
	line-height: 26px;
	text-align: center;
	padding-top: 20px;
	padding-bottom: 55px;
}

.main .item2 ul:after {
	display: table;
	content: "";
	clear: both;
}

.main .item2 ul li {
	float: left;
	width: 347px;
	overflow: hidden;
}

.main .item2 ul li img {
	display: block;
	width: 100%;
	height: 207px;
}

.main .item2 ul li p {
	width: 100%;
	height: 207px;
	background-color: rgba(0,0,0,.3);
	box-sizing: border-box;
	padding-left: 35px;
	padding-right: 25px;
	padding-top: 40px;
	font-size: 14px;
	color: #FFFFFF;
	line-height: 24px;
	text-align: justify;
}

.main .item2 ul li:first-child {
	width: 605px;
}

.main .item2 ul li:first-child img {
	height: auto;
}

.main .item3 {
	padding-top: 80px;
}

.main .item3 ul.shebei_list {
	display: flex;
	flex-flow: row wrap;
	justify-content: space-between;
}

.main .item3 ul.shebei_list li {
	width: calc((100% - 70px) / 3);
}

.main .item3 ul.shebei_list li img {
	display: block;
	width: 100%;
}

.main .item3 ul.shebei_list li p {
	font-size: 16px;
	color: #555555;
	text-align: center;
	line-height: 96px;
}

@media screen and (max-width: 1350px ) {
    
    .main .item1 ul.video_list li.active {
        width: 720px;
    }
    
    .main .item1 ul.video_list li {
        width: 210px;
        margin-right: 30px;
    }
    
    .main .item2 ul li:first-child {
        width: 600px;
    }
    
    .main .item2 ul li {
        width: 300px;
    }
    
    .main .item2 ul li p {
        padding-top: 10px;
    }
}

@media screen and (max-width: 550px ) {
	
	.main {
		padding-bottom: 60px;
	}
	
	.main .item1 {
		padding-top: 0px;	
	}
	
	.main .item1 h5.cn {
		font-size: 28px;
		line-height: 40px;
		padding: 10px 0px;
	}
	
	.main .item1 h5.en {
		font-size: 18px;
		line-height: 34px;
	}
	
	.main .item1 ul.video_list {
		padding-top: 10px;
	}
	
	.main .item1 ul.video_list li {
		width: 100%;
	}
	
	.main .item1 ul.video_list li.active {
		width: 100%;
	}
	
	.main .item1 ul.video_list li video {
		width: 100%;
	}
	
	.main .item1 ul.video_list li .layer {
	    display: none;
	}
	
	.main .item1 ul.youshi_list {
		padding-top: 30px;
	}
	
	.main .item1 ul.youshi_list li {
		margin: 0 20px;
	}
	
	.main .item1 ul.youshi_list li p {
		font-size: 14px;
		text-align: center;
	}
	
	.main .item1 p.summary {
		padding: 0 10px;
		padding-top: 10px;
		padding-bottom: 20px;
		font-size: 14px;
		line-height: 26px;
		text-align: justify;
	}
	
	.main .item2 {
		padding-top: 0px;
		height: auto;
		background-image: none;
	}
	
	.main .item2 h5.cn {
		font-size: 28px;
		line-height: 56px;
		color: #3C3C3C;
	}
	
	.main .item2 p.summary {
		padding: 0 10px;
		font-size: 14px;
		color: #3C3C3C;
		padding-bottom: 10px;
		text-align: justify;
	}
	
	.main .item2 ul li {
		width: 100% !important;
	}
	
	.main .item3 {
		padding-top: 20px;
	}
	
	.main .item3 ul.shebei_list li {
		width: calc((100% - 10px) / 2);
	}	
	
	.main .item3 ul.shebei_list li p {
		font-size: 14px;
		line-height: 36px;
		padding-bottom: 10px;
	}
}