/*
本代码由素材家园收集并编辑整理;
尊重他人劳动成果;
转载请保留素材家园链接 - www.sucaijiayuan.com
*/
@charset "utf-8";
*{list-style:none;border:0;}
/* body */
*{margin:0 auto;padding:0;list-style:none;border:0;}

.main_image {width:100%; height:600px; overflow:hidden; margin:0 auto; position:relative}
.main_image ul {width:9999px; height:600px; overflow:hidden; position:absolute; top:0; left:0}
.main_image li {float:left; width:100%; height:600px;}
.main_image li span {display:block; width:100%; height:600px}
.main_image li a {display:block; width:100%; height:600px}
.main_image li .img_1 {background: url('../images/1.jpg' )  center top no-repeat}
.main_image li .img_2 {background: url('../images/2.jpg') center top no-repeat}
.main_image li .img_3 {background: url('../images/1.jpg') center top no-repeat}
.main_image li .img_4 {background: url('../images/2.jpg') center top no-repeat}

di