.slide_section{
	user-select: none;
	width: 100%;
	height: 600px;
	background-color: blue;
	position: relative;
	overflow: hidden;
}
.img_section{
	transition-property: all;
	transition-duration: 1s; /* 动画速度 */
	transition-timing-function: linear; /* 动画曲线 */
}
.img_slide{
	width: 100%;
	height: 100%;
	position: absolute;
	left: 0px;
	top: 0px;
	background-position: center center;
	background-repeat: no-repeat;
	background-size: cover;
	background-color: blue;
	transition-property: none;
	transition-duration: 1s; /* 动画速度，如有改动上面也得改 */
	transition-timing-function: linear; /* 动画曲线 */
}

/* 增减图片数量需要修改以下 */
.img_slide:nth-child(1){
	background-image: url(../img/banner1.jpg);
}
.img_slide:nth-child(2){
	background-image: url(../img/banner2.jpg);
}
.img_slide:nth-child(3){
	background-image: url(../img/banner3.jpg);
}
.img_slide:nth-child(4){
	background-image: url(../img/banner4.jpg);
}
.img_slide:nth-child(5){
	background-image: url(../img/banner5.jpg);
}
.img_slide:nth-child(6){
	background-image: url(../img/banner6.jpg);
}
.img_slide:nth-child(7){
	background-image: url(../img/banner7.jpg);
}
.page_btn{
	width: 30px;
	height: 60px;
	background-color: rgba(0, 0, 0, 0.5);
	z-index:2;
	position: absolute;
	transform: translateY(-50%);
	display: flex;
	justify-content: center;
	align-items: center;
	color:white;
	font-weight: bold;
	cursor: pointer;
}
.left_btn{
	left: 0px;
	top: 50%;
	border-radius: 0px 10px 10px 0px;
}
.right_btn{
	right: 0px;
	top:50%;
	border-radius: 10px 0px 0px 10px;
}
.page_select{
	width: 120px;
	height: 30px;
	/* background-color: green; */
	position: absolute;
	z-index:2;
	bottom: 0px;
	left: 50%;
	transform: translateX(-50%);
	display: flex;
	flex-direction: row;
	justify-content: space-around;
	align-items: center;
}
.select_btn{
	display: block;
	width: 14px;
	height: 14px;
	background-color: white;
	border-radius: 10px;
	background-color: rgba(0, 0, 0, 0.5);
	cursor: pointer;
}