.title2{
	width:100%;
	margin:10rem 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;
    bottom: 20px;
    right: 50px;
}

.title2 .two {
    width: 28%;
    margin: 0 auto;
    text-align: center;
    position: relative;
    top: 215px;
    right: 170px;
}

.title2 .three {
    width: 28%;
	margin: 0 auto;
	text-align: center;
	position: relative;
	top: 160px;
    left: 710px;
}

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

.size-box{
	width: 60%;
	margin: -15rem auto;
	margin-bottom:1px;
}

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

@media screen and (min-width:  1930px){
	.title2 .two {
	    width: 28%;
	    margin: 0 auto;
	    text-align: center;
	    position: relative;
	    top: 145px;
	    right: 105px;
	}

	.title2 .three {
	    width: 28%;
	    margin: 0 auto;
	    text-align: center;
	    position: relative;
	    top: 100px;
	    left: 450px;
	}
}

@media screen and (max-width:  1700px){
	.title2 .one {
	    width: 50%;
	    margin: 0 auto;
	    text-align: center;
	    position: relative;
	    right: 45px;
	    top: -20px;
	}
	
	.title2 .two {
	    width: 28%;
	    margin: 0 auto;
	    text-align: center;
	    position: relative;
	    top: 173px;
	    right: 135px;
	}
	
	.title2 .three {
	    width: 28%;
	    margin: 0 auto;
	    text-align: center;
	    position: relative;
	    top: 155px;
	    left: 560px;
	}
}

/*phone*/
@media screen and (max-width: 750px){
	.title2 {
	    width: 100%;
	    margin: 5rem auto;
	}
	
	.title2 .one {
	    width: 52%;
	    margin: 0 auto;
	    text-align: center;
	    position: relative;
	    top: -17px;
	    right: 28px;
	}
	
	.title2 .con-span2{
	    box-sizing: border-box;
		display: block;
		overflow: hidden;
		text-overflow: ellipsis;
		white-space: nowrap;
		width: 100%;
		margin: 0 auto;
	}
	
	.title2 .two {
		width: 50%;
		margin: 0 auto;
		text-align: center;
		position: absolute;
		top: 68px;
		left: -2px;
		right: 0;
	}
	
	.title2 .con-span3{
	    box-sizing: border-box;
		display: block;
		overflow: hidden;
		text-overflow: ellipsis;
		white-space: nowrap;
		font-size: 1.5rem;
	}
	
	.title2 .three {
		width: 31%;
		margin: 0 auto;
		text-align: center;
		position: absolute;
		top: 68px;
		left: 198px;
		right: 0;
	}
	
	.title2 .con-span4{
	    box-sizing: border-box;
		display: block;
		overflow: hidden;
		text-overflow: ellipsis;
		white-space: nowrap;
		font-size: 1.5rem;
	}
	
	.title2 .title-back2 {
	    background: url('../../../images/light-images/water.jpg')no-repeat;
	    width: 90%;
	    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;
	}
}