* {
	margin: 0;
	padding: 0
}

.slide {
	max-width: 100%;
	height: auto;
	margin: 0 auto;
	position: relative;
	z-index: 999;
	overflow: hidden
}

.slide ul {
	width: 10000%;
	list-style-type: none
}

.next_btn {
	position: absolute;
	width: 25px;
	height: 26px;
	line-height: 26px;
	text-align: center;
	opacity: .5;
	vertical-align: middle;
	background: rgba(0, 0, 0);
	right: 5px;
	top: 50%;
	color: #fff;
	font-family: arial;
	font-size: 20px;
	font-weight: 700;
	display: inline-block;
	cursor: pointer;
	font-family: 宋体
}

.prev_btn {
	position: absolute;
	width: 25px;
	height: 26px;
	line-height: 26px;
	text-align: center;
	opacity: .9;
	vertical-align: middle;
	background: rgba(0, 0, 0, .1);
	left: 5px;
	top: 50%;
	color: #fff;
	font-family: 宋体;
	font-size: 20px;
	font-weight: 700;
	display: inline-block;
	cursor: pointer
}

.slide ul:after {
	content: '';
	clear: both;
	display: block
}

.slide ul li {
	float: left;
	text-align: center
}

.slide ul li img {
	vertical-align: middle;
	max-width: 100%
}

.slide .circle_btn {
	position: absolute;
	bottom: 15px;
	text-align: center;
	left: 0;
	display: table;
	margin: 0 auto;
	width: 100%
}

.slide .circle_btn button {
	box-sizing: content-box;
	opacity: .8;
	outline: 0;
	border: 0;
	padding: 2px 18px;
	background: rgba(255, 255, 255, .2);
	margin: 2px 5px;
	overflow: hidden;
	transition: all .6s;
	cursor: pointer
}

.slide .circle_btn button.active {
	background: rgba(167, 167, 167, .8)
}