.slide {
	width: 1400px;
	min-height: 520px;
	overflow: hidden;
	position: relative;
}
.slide .sol7_4img {
	overflow: hidden;
	position: absolute;
	transition: width 0.4s, height 0.4s, top 0.4s, left 0.4s, z-index 0.4s;
}
.slide .sol7_4img img {
	width: calc(100% - 14px);
	height: calc(100% - 14px);
	margin: 7px;
}
.slide .sol7_4img1 {
	width: 40%;
	height: 40%;
	top: 20%;
	left: -50%;
	z-index: 1;
	opacity:0.2;
}
.slide .sol7_4img2 {
	width: 60%;
	height: 60%;
	top: 10%;
	left: -20%;
	z-index: 2;
	opacity:0.4;
}
.slide .sol7_4img3 {
	width: 80%;
	height: 80%;
	top: 0%;
	left: 10%;
	z-index: 3;
}
.slide .sol7_4img4 {
	width: 60%;
	height: 60%;
	top: 10%;
	left: 60%;
	z-index: 2;
	opacity:0.4;
}
.slide .sol7_4img5 {
	width: 40%;
	height: 40%;
	top: 20%;
	left: 110%;
	z-index: 1;
	opacity:0.2;
}
.slide-bt {
	position: absolute;
	left: 50%;
	z-index: 10;
	margin-top:700px;
}
.slide-bt span {
	width: 24px;
	height: 8px;
	background: #c9caca;
	float: left;
	margin: 5px;
	border-radius: 4px;
	cursor:pointer;
}
.slide .slide-bt .on {
	background: #02A3E6;
}
.margin-top--140 {
	margin-top:-140px;
}