@charset "utf-8";
/* CSS Document */
/*
 * @description
 * @author GuoR
 * @Date 2019/3/11
 */
 /*通用样式*/
/*
html{
-webkit-filter:grayscale(100%);
-moz-filter:grayscale(100%);
-ms-filter:grayscale(100%);
-o-filter:grayscale(100%);
filter:grayscale(100%);
filter:url("data:image/svg+xml;utf8,<svg xmlns=\'http://www.w3.org/2000/svg\'><filter id=\'grayscale\'><feColorMatrix type=\'matrix\' values=\'0.3333 0.3333 0.3333 0 0 0.3333 0.3333 0.3333 0 0 0.3333 0.3333 0.3333 0 0 0 0 0 1 0\'/></filter></svg>#grayscale");
filter:progid:DXImageTransform.Microsoft.BasicImage(grayscale=1);
}
*/
*{margin:0; padding:0;}

body{margin:0;padding:0;font-size:12px;font-family:"微软雅黑";min-width:1400px;}
ul,ol,dl{list-style:none;}
img{border:none;}
a{text-decoration:none}
form,input{vertical-align:middle;margin:0;padding:0;border:0;}
i{ font-style:normal;}


.top{width:100%;height:1080px;background:url(../images/top.jpg)no-repeat top center;overflow: hidden;}

.main{width:100%;height:2520px;background:url(../images/main.jpg),url(../images/bottom.jpg);background-repeat:no-repeat,no-repeat;background-position:top center,bottom center;position:relative;overflow: hidden;}
.jianjie{display:block;width:1268px;height:468px;margin:129px auto;}


.nav{width:1110px;height:334px;margin:0 auto 20px;display:flex;flex-wrap:wrap;justify-content:space-around;}
.nav a{display:block;width:326px;height:104px;margin:0 22px 63px;background:url(../images/nav_bj1.png)no-repeat;background-size:100% 100%;}
.nav a:hover{background:url(../images/nav_bj2.png)no-repeat;background-size:100% 100%;}
.nav a.hover{background:url(../images/nav_bj2.png)no-repeat;background-size:100% 100%;}


.main_M{width:1310px;height:1214px;overflow: hidden;margin:0 auto;}
.mainM{width:1160px;height:904px;margin:50px auto 10px;}
.mainM li{float:left;width:256px;height:192px;margin:0 17px 34px;box-shadow: 2px 3px 4px rgba(5,61,135,0.8);border-radius: 10px;overflow:hidden;}
.mainM li a{display:block;width:100%;height:100%;}
.mainM a img{display:block;width:100%;height:100%;}

/*分页*/
.tanchuMB{width:100%;text-align:center;height:30px;line-height:30px;font-size:18px;}
.tanchuMB li{display:inline-block;margin:0 9px;color:#8e4614;}
.tanchuMB li a{color:#8e4614;display:block;min-width:12px;height:30px;padding:0 9px;border-radius: 50%;border: 1px solid #8e4614;background:#fff;}
.tanchuMB li a:hover{color:#8e4614;background:#f1e1b8;}
.tanchuMB li a.tanchuMBH{color:#8e4614;background:#f1e1b8;}
.tanchuMB li:nth-child(1) a{border-radius: 5px;}
.tanchuMB li:nth-child(2) a{border-radius: 5px;}
.tanchuMB li:nth-last-child(1) a{border-radius: 5px;}
.tanchuMB li:nth-last-child(2) a{border-radius: 5px;}

.bottom{width: 100%;text-align: center;font-size: 20px;color: #fff;line-height: 160px;position: absolute;bottom: 0;left: 0;}