.title2{
	width:100%;
	margin:4rem auto;
}

.title2 .con-span2{
	width:100%;
	box-sizing: border-box;
	display: block;
	text-align: center;
}

.title2 .one{
	width:50%;
	margin:0 auto;
	text-align: center;
	position: relative;
	top: 100px;
}

.title2 .two {
	width:50%;
	margin:0 auto;
	text-align: center;
	position: relative;
	top: 395px;
	left: -6rem;
}

.title2 .title-back2{
	background: url('../../../images/light-images/light4.jpg')no-repeat;
	width: 60%;
	height: 40rem;
	background-size: 100%;
	margin:0 auto;
}

.size-box{
	width: 60%;
	margin:40px auto;
}

.size-box .size-title1{
	font-size: 2rem;
	line-height: 2;
	display: block;
}

@media screen and (min-width:  1930px){
	.title2 .one {
	    width: 50%;
	    margin: 0 auto;
	    text-align: center;
	    position: relative;
	    top: 55px;
	}

	.title2 .two {
	    width: 50%;
	    margin: 0 auto;
	    text-align: center;
	    position: relative;
	    top: 265px;
	    left: -6rem;
	}
}

@media screen and (max-width:  1700px){
	.title2 .one {
	    width: 50%;
	    margin: 0 auto;
	    text-align: center;
	    position: relative;
	    right: 28px;
	    top: 41px;
	}
	
	.title2 .two {
	    width: 50%;
	    margin: 0 auto;
	    text-align: center;
	    position: relative;
	    top: 320px;
	    left: -6rem;
	}
}

/*ipad*/
@media screen and (max-width: 1400px){
	.title {
	    width: 55%;
	    margin: 0 auto;
	    padding-top: 10rem;
	}

	.title2 .one {
	    width: 50%;
	    margin: 0 auto;
	    text-align: center;
	    position: relative;
	    right: 15px;
	    top: 30px;
	}

	.title2 .con-span2 {
	    width: 100%;
	    box-sizing: border-box;
	    display: block;
	    text-align: center;
	    overflow: hidden;
	    text-overflow: ellipsis;
	    white-space: nowrap;
	}

	.title2 .two {
	    width: 50%;
	    margin: 0 auto;
	    text-align: center;
	    position: relative;
	    top: 160px;
	    left: -3rem;
	}

	.two .con-span3{
		box-sizing: border-box;
	    display: block;
	    overflow: hidden;
	    text-overflow: ellipsis;
	    white-space: nowrap;
	    width: 100%;
	    margin: 0 auto;
	}

	.title2 .title-back2 {
	    background: url(../../../images/light-images/light4.jpg)no-repeat;
	    width: 60%;
	    height: 20rem;
	    background-size: 100%;
	    margin: 0 auto;
	}

	.foot-img img{
		width:100%;
	}
}

/*phone*/
@media screen and (max-width: 750px){
	.title {
	    width: 55%;
	    margin: 0 auto;
	    padding-top: 10rem;
	}

	.title2 {
	    width: 100%;
	    margin: 5rem auto;
	}
	
	.title2 .one {
		width:70%;
		margin:0 auto;
		text-align: center;
		position: relative;
		top: 0;
		right: 28px;
	}
	
	.title2 .con-span2{
	    box-sizing: border-box;
	    display: block;
	    overflow: hidden;
	    text-overflow: ellipsis;
	    white-space: nowrap;
	    font-size:1rem;
		width:100%;
		margin:0 auto;
	}
	
	.title2 .two {
		width:100%;
		margin:0 auto;
		text-align: center;
		position: absolute;
		top: 84px;
		left: 4rem;
	}
	
	.title2 .con-span3{
	    box-sizing: border-box;
	    display: block;
	    overflow: hidden;
	    text-overflow: ellipsis;
	    white-space: nowrap;
	    font-size:1rem;
	}
	
	.title2 .title-back2 {
	    background: url('../../../images/light-images/light4.jpg')no-repeat;
	    width: 60%;
	    height: 10rem;
	    background-size: 100%;
	    margin: 0 auto;
	}

	.size-box {
	    width: 95%;
	    margin: 0 auto;
	    margin-bottom: 1px;
	}

	.size-box .size-title1 {
	    font-size: 1em;
	    line-height: 2;
	    display: block;
	}
}