.zt_box li{margin-bottom: 20px; border-bottom: 1px solid #dfdfdf; padding-bottom: 20px;}
.zt_box li a.img_box{ display: block; width: 280px;height: 182px;overflow: hidden;position: relative; }
.zt_box li a.img_box img{width: 100%;}
.zt_box li.Li_Odd a.img_box{float: left;margin-right: 20px;}
.zt_box li.Li_Even a.img_box{float: right;margin-left: 20px;}

.zt_box li .count{width: 430px;}
.zt_box li .count h2 a{font-size: 18px; line-height: 32px;}
.zt_box li .count p{line-height: 28px;}
.zt_box li.Li_Odd .count{float: right;}
.zt_box li.Li_Even .count{float: left;}

.zt_box li i{border-top: 20px solid transparent;border-bottom: 20px solid transparent;top: 20px;display: block;height: 0;position: absolute;width: 0;}
.zt_box li.Li_Odd i{border-right: 22px solid #fff;right: 0;}
.zt_box li.Li_Even i{border-left: 22px solid #fff;left: 0;}


@media only screen and (max-width:768px){
	.zt_box li .count{width: auto; float: none !important;}
}
@media only screen and (max-width:640px){
	.zt_box li i{display: none;}
	.zt_box li a.img_box{width: 100%; height: auto;margin-bottom: 14px;}
}