.div2{
	background-color: #fff;
	margin: 13vw 0 5vw;
	padding: 0px 10.5vw;
	display: block;
	position: relative;
}
.div2 center{
	margin-bottom: 3vw;
}
.div2 .box{
	width: 79vw;
	max-width: 1400PX;
}
.div2 .div2_2_2{
	left: 0px;
    top: 3vw;
    width: 100%;
}
.div2 .box2 video{
	height: 450px;
}
.div2 .box center{
	margin-bottom: 4vw;
}
.div2 .box div *{
	margin-bottom: 10px;
	color: #8f8987;
	text-align: left;
}
.div2 .box2{
	margin-bottom: 8vw;
	position: relative;
}
.div2 .box3 img:nth-of-type(1){
	left: 5vw;
}
.div2 .box3 img:nth-of-type(2){
	right: 5vw;
}
.div3{
	justify-content: center;
	width: 100vw;
    position: relative;
    /*max-width: 1920PX;*/
}
.div3 .box{
	width: 25%;
	position: relative;
}
.div3 .box image.back{
	width: 100%;
}
.div3 .layer_c{
	transition: height 1s;
	background-color: rgba(0,0,0,0.7);
	height: 100%;
	width: 100%;
	left: 0px;
	bottom: 0px;
	display: flex;
	justify-content: center;
	align-items: center;
}
.div3 .box:hover .layer_c,.div3 .layer_c:hover{
	transition: height 1s;
	height: 25%;
}
.div4{
	margin:13vw 0 12.5vw;
	width: 100vw;
    /*max-width: 1920px;*/
	overflow-x: hidden;
}
.div4 .box:nth-of-type(1){
	margin-left:27.6%;
	width: 36.45%;
	margin-bottom: 7.5%;
}
.div4 .box:nth-of-type(1) p{
	font-family: Arial;
	font-size: 16px;
}
.div4 .box:nth-of-type(2){
	margin-left:11.2vw;
	position: relative;
}
.div4 .box:nth-of-type(2) img{
    width: 100%;
}
.div4 .box:nth-of-type(2) div.float{
	top:48%;
	left:68%;
	width: 240px;
}
.div4 .box:nth-of-type(2) div.float img:nth-of-type(1){
	margin-bottom: 3.25%;
}
.div4 .box p{
	color:#c0b3ae;
	line-height: 28px;
	width: 300px;
	margin-top: 33%;
	letter-spacing:0.5px;/*字间距*/
	
}
.div4 .box .abouten p{
	color:#c0b3ae;
	line-height: 28px;
	width: 675px;
	margin-top: 1%;
	text-align: justify;/*两端对齐*/

}
.div5 .box{
	width: 90vw;
	max-width: 960px;
	margin-bottom: 4.2vw;
}
.div5 .box div{
	text-align: center;
}
.div5 .box p{
	font-size: 26px;

	font-weight: 600;
	margin-bottom: 18px;
}
.div5 .box a{
	font-size: 15px;
	color:#999999;
}

@media only screen and (max-width:800px){
    .div2{
        width: 96%;
        padding: 0px 2vw;
    }
    .div2 .box{
        flex-wrap: wrap;
        width: 100%;
    }
    .div2 .box2 video{
        width: 100%;
        height: auto;
    }
    .div3{
        flex-wrap: wrap;
    }
    .div3 .box{
        width: 50%;
    }
    .div4 .box .abouten p,.div4 .box .abouten p span,.div4 .box  p,.div4 .box  p span{
        width: 100%;
    }
    .div4 .box .abouten p span{
        width: 100%;
    }
    .div4 .box:nth-of-type(1){
        margin-left:5%;
        width: 90%;
    }
    .div4 .box:nth-of-type(2){
        margin-left:0px;
    }
    .div4 .box:nth-of-type(2) img{
        position: absolute;
    }
    .div4 .box:nth-of-type(2) div.float{
        top: 15%;
        padding: 5vw;
        width: 90%;
        left: 0px;
        position: relative;
    }
    .div4 .box div.float p{
        margin-top:0px;
    }
    .div4 .box:nth-of-type(2) div.float img{
        position: relative;
        margin-bottom: 20%;
        width: 50%;
        max-width: 360px;
    }
    .div5 .box{
        flex-wrap: wrap;
    }
    .div5 .box div{
        width: 100%;
    }
}