@charset "gb2312";
/* CSS Document */
.main .m_con{margin:0 auto;width:1200px;text-align: center;}
.banner1 {width:100%;height:389px; background: url(/statics/aist/zt/20186szhqb/images/index_01.jpg)top center no-repeat;}
.banner2 {width:100%;height:389px; background: url(/statics/aist/zt/20186szhqb/images/index_02.jpg) top center no-repeat;}

.xcj-dbt { font-size: 60px; color: #282828; line-height: 60px; text-align: center; padding-top:60px; padding-bottom: 20px; }
.xcj-xbt { font-size: 22px; color: #878a92; line-height: 30px; border: solid 1px #7e7e7e; padding: 0px 20px;display: table; margin: 0 auto;letter-spacing: 5px; }
.zx{ margin-top:50px; text-align: center;}

.main1{ background-color: #ffffff; padding: 30px 0 120px;  }
.main2{ width: 100%; height: 989px; background: url(/statics/aist/zt/20186szhqb/images/main2.jpg) center no-repeat; }
.main2_1{ background-color: #e3ecf1; padding: 40px 0 60px; }
.main3{ width: 100%; height: 987px; background: url(/statics/aist/zt/20186szhqb/images/main3.jpg) center no-repeat;}
.main4{ width: 100%; height: 1062px; background: url(/statics/aist/zt/20186szhqb/images/main4.jpg) center no-repeat; }
.main5{ background-color: #ffffff; padding:30px 0px 90px; }
.main5_1{ background-color: #f7f9f9; padding: 40px 0px 90px;  }
.main6{ background-color: #ffffff; padding: 30px 0px 0px;  }


.main1 ul{ width: 1200px; margin: 30px auto; display: flex; flex-wrap: wrap;}

.main3 .xcj-dbt{color: #ffffff;}
.main3 .xcj-xbt{color: #929cc2;}
.main3 .dbYd{ width:1200px;height:510px;margin:50px auto;}
.main3 .dbYd .hd {background:url(/statics/aist/zt/20186szhqb/images/m3_tt.png) top center no-repeat; height:67px;width:100%;margin:0 auto;overflow:hidden;}
.main3 .dbYd .hd ul {width: 1200px;margin:0 auto;display: flex; flex-wrap: wrap;justify-content: space-around}
.main3 .dbYd .hd ul li {font-size: 26px; color: #929cc2; line-height: 67px;}
.main3 .dbYd .hd ul li.on {background:url(/statics/aist/zt/20186szhqb/images/m3_ico.png) bottom center no-repeat; color: #ffffff;}
.main3 .dbYd .bd{ height:443px;width:1200px;margin:0 auto;overflow:hidden;}
.main3 .dbYd .bd ul{ height:443px;width:1200px;margin:0 auto;overflow:hidden;}
.main3 .dbYd .bd li{ zoom:1; height:443px;width:1200px;margin:0 auto;overflow:hidden;}

.main4 .dbYd{ width:100%;height:870px;margin:20px auto;}
.main4 .dbYd .hd { height:94px;width:282px;margin:0 auto;overflow:hidden;}
.main4 .dbYd .hd ul {height:94px;width:282px;margin:0 auto;overflow:hidden;}
.main4 .dbYd .hd ul li {height:94px;width:94px; float:left;cursor:pointer;}
.main4 .dbYd .hd ul li:nth-child(1){background:url(/statics/aist/zt/20186szhqb/images/m4_01_x.png) top center no-repeat; }
.main4 .dbYd .hd ul li:nth-child(2){background:url(/statics/aist/zt/20186szhqb/images/m4_02_x.png) top center no-repeat; }
.main4 .dbYd .hd ul li:nth-child(3){background:url(/statics/aist/zt/20186szhqb/images/m4_03_x.png) top center no-repeat; }
.main4 .dbYd .hd ul li:nth-child(1).on{background:url(/statics/aist/zt/20186szhqb/images/m4_01_xx.png) top center no-repeat; }
.main4 .dbYd .hd ul li:nth-child(2).on{background:url(/statics/aist/zt/20186szhqb/images/m4_02_xx.png) top center no-repeat; }
.main4 .dbYd .hd ul li:nth-child(3).on{background:url(/statics/aist/zt/20186szhqb/images/m4_03_xx.png) top center no-repeat; }
.main4 .dbYd .bd{ height:775px;width:1200px;margin:0 auto;overflow:hidden;}
.main4 .dbYd .bd ul{height:775px;width:1200px;margin:0 auto;overflow:hidden;}
.main4 .dbYd .bd li{ zoom:1; height:775px;width:1200px;margin:0 auto;overflow:hidden;}

.main5 ul{ width: 1200px; margin: 0px auto; display: flex; flex-wrap: wrap;}
.main5_1 ul{ width: 1200px; margin: 30px auto; display: flex; flex-wrap: wrap;}
.main5_1 .xcj-bt { font-size: 40px; color: #292929;line-height: 50px;text-align: center;}

.main6 .dbYd{ height: 705px; position: relative; overflow: hidden; margin:40px auto 0;}
.main6 .dbYd ol { height: 5px; position: absolute; bottom: 40px; left: 0; right: 0; margin: auto; z-index: 1;  display: flex;justify-content: center;}
.main6 .dbYd ol li {width: 40px;border: solid 2px #b4b4b4;float: left; margin: 10px; cursor: pointer; }
.main6 .dbYd ol .on {border-color:#000000; }
.main6 .dbYd ul li { height: 705px; width: 100%; }