li{list-style: none;}
		.slider_1{
			width: 49.5%;
			
			
			position: relative;
			cursor: pointer;
		}
		.slider_1 li{
			position: absolute;
			display: none;
		}
		.slider_1 li:first-child{
			display: block;
		}
		.slider_1 .tab .show{
			border: 3px solid #F16D2C;
		}



		.slider_2{
			width: 49.5%;

			position: relative;
			cursor: pointer;
		}
		.slider_2 li{
			position: absolute;
			display: none;
		}
		.slider_2 li:first-child{
			display: block;
		}
		.slider_2 .tab .show{
			border: 3px solid #F16D2C;
		}




		.slider_3{
			width: 49.5%;

			position: relative;
			cursor: pointer;
		}
		.slider_3 li{
			position: absolute;
			display: none;
		}
		.slider_3 li:first-child{
			display: block;
		}
		.slider_3 .tab .show{
			border: 3px solid #F16D2C;
		}


		.slider_4{
			width: 49.5%;

			position: relative;
			cursor: pointer;
		}
		.slider_4 li{
			position: absolute;
			display: none;
		}
		.slider_4 li:first-child{
			display: block;
		}
		.slider_4 .tab .show{
			border: 3px solid #F16D2C;
		}


		.slider_5{
			width: 49.5%;

			position: relative;
			cursor: pointer;
		}
		.slider_5 li{
			position: absolute;
			display: none;
		}
		.slider_5 li:first-child{
			display: block;
		}
		.slider_5 .tab .show{
			border: 3px solid #F16D2C;
		}



		.slider_6{
			width: 49.5%;

			position: relative;
			cursor: pointer;
		}
		.slider_6 li{
			position: absolute;
			display: none;
		}
		.slider_6 li:first-child{
			display: block;
		}
		.slider_6 .tab .show{
			border: 3px solid #F16D2C;
		}



		.slider_7{
			width: 49.5%;

			position: relative;
			cursor: pointer;
		}
		.slider_7 li{
			position: absolute;
			display: none;
		}
		.slider_7 li:first-child{
			display: block;
		}
		.slider_7 .tab .show{
			border: 3px solid #F16D2C;
		}




		.arrow_left,.arrow_right{
			font-family: "SimSun",'宋体';
			width: 30px;
			height: 60px;
			background-color: rgba(0,0,0,.2);
			position: absolute;
			top: 45%;
			text-align: center;
			line-height: 60px;
			color: #fff;
			font-weight: 700;
			font-size: 30px;
		}
		.arrow_left{
			left: 0;
		}
		.arrow_right{
			right: 0;
		}
		.arrow_left:hover,.arrow_right:hover{
			background-color: rgba(0,0,0,.6);
		}
		.tab{
			position: absolute;
			bottom: 20px;
			left: 42%;
		}
		.tab span{
			display: inline-block;
			width: 10px;
			height: 10px;
			border-radius: 10px;
			margin-left: 20px;
			border: 3px solid #fff;
			float: left;
		}
		.tab span:first-child{
			margin-left: 0;
		}