.title2{
	width:100%;
	margin: 10rem auto;
}

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

.title2 .one{
	width: 24%;
	margin: 0 auto;
	text-align: center;
	position: relative;
	left: 80px;
	bottom: 21px;
}

.title2 .two {
	width: 50%;
	margin: 0 auto;
	text-align: center;
	position: relative;
	bottom: 20px;
	left: 400px;
}

.title2 .title-back2{
	background: url('../../../images/light-images/bai2.jpg')no-repeat;
	width: 60%;
	height: 40rem;
	background-size: 100%;
	margin:0 auto;
}

.size-box{
	width: 60%;
    margin: -8rem auto;
    margin-bottom: 1px;
}

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

@media screen and (min-width:  1930px){
	.title2 .one {
	    width: 23%;
	    margin: 0 auto;
	    text-align: center;
	    position: relative;
	    left: 43px;
	    bottom: 21px;
	}

	.title2 .two {
	    width: 50%;
	    margin: 0 auto;
	    text-align: center;
	    position: relative;
	    bottom: 20px;
	    left: 265px;
	}

	.size-box {
		width: 60%;
		margin: -23rem auto;
		margin-bottom: 1px;
	}
}

@media screen and (max-width:  1700px){
	.title2 .one {
	    width: 23%;
	    margin: 0 auto;
	    text-align: center;
	    position: relative;
	    left: 65px;
	    bottom: 21px;
	}
	
	.title2 .two {
	    width: 50%;
	    margin: 0 auto;
	    text-align: center;
	    position: relative;
	    bottom: 20px;
	    left: 327px;
	}
}

/*phone*/
@media screen and (max-width: 750px){
	.title2 {
	    width: 100%;
	    margin: 5rem auto;
	}
	
	.title2 .one {
		width: 70%;
		margin: 0 auto;
		text-align: center;
		position: relative;
		left: -33px;
		bottom: 17px;
	}
	
	.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;
		left: 80px;
		bottom: 17px;
	    top: -17px;
	    right: 0;
	}
	
	.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/bai2.jpg')no-repeat;
	    width: 60%;
	    height: 10rem;
	    background-size: 100%;
	    margin: 0 auto;
	}

	.size-box {
	    width: 95%;
	    margin: -5rem auto;
	    margin-bottom: 1px;
	}

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