@charset "gb2312";
/* CSS Document */
.main .m_con{margin:0 auto;width:1100px;padding-left: 10px;}
.main .m_tit{margin:0 auto;width:1100px;text-align: center;}
.main .zixun{margin:50px auto 0;text-align: center;}
.banner1 {width:100%;height:400px; background: url(/statics/aist/zt/2018lyjd/img/index_01.jpg)top center no-repeat;}
.banner2 {width:100%;height:339px; background:url(/statics/aist/zt/2018lyjd/img/index_02.jpg) top center no-repeat;}

.main1{width:100%;height:941px; background:url(/statics/aist/zt/2018lyjd/img/index_03.jpg) top center no-repeat;}
.main1 .dbYs{ width:100%;margin:0;padding-top: 180px;overflow:hidden;}
.main1 .dbYs .hd { height:90px;width:100%;margin:0 auto;overflow:hidden;}
.main1 .dbYs .hd ul {height:90px;width:600px;margin:0 auto;overflow:hidden;}
.main1 .dbYs .hd ul li {height:90px;width:158px;float:left;cursor:pointer;margin-right:10px;}
.main1 .dbYs .hd ul li:nth-child(1){background:url(/statics/aist/zt/2018lyjd/img/index_03_x01.png) left top no-repeat; }
.main1 .dbYs .hd ul li:nth-child(2){background:url(/statics/aist/zt/2018lyjd/img/index_03_x02.png) left top no-repeat; }
.main1 .dbYs .hd ul li:nth-child(3){background:url(/statics/aist/zt/2018lyjd/img/index_03_x03.png) left top no-repeat; }
.main1 .dbYs .hd ul li:nth-child(1).on{width:251px;background:url(/statics/aist/zt/2018lyjd/img/index_03_x1.png) left top no-repeat; }
.main1 .dbYs .hd ul li:nth-child(2).on{width:251px;background:url(/statics/aist/zt/2018lyjd/img/index_03_x2.png) left top no-repeat; }
.main1 .dbYs .hd ul li:nth-child(3).on{width:251px;background:url(/statics/aist/zt/2018lyjd/img/index_03_x3.png) left top no-repeat; }
.main1 .dbYs .bd{ height:525px;width:100%;margin:15px auto 0;overflow:hidden;}
.main1 .dbYs .bd ul{ width:100%;padding:0px;margin:0px; height:auto;overflow:hidden;}
.main1 .dbYs .bd li{ zoom:1; width:1100px;height:530px; overflow:hidden;margin: 0 auto;}

.main2 {width:100%;height:937px; background:url(/statics/aist/zt/2018lyjd/img/index_04.jpg) top center no-repeat;}
.main2 .dbYd{ width:100%;height:583px;margin:0;padding-top: 255px;overflow:hidden;}
.main2 .dbYd .hd { height:583px;width:180px;float:left;overflow:hidden;}
.main2 .dbYd .hd ul {height:583px;width:180px;margin:0 auto;overflow:hidden;}
.main2 .dbYd .hd ul li {height:146px;width:180px;float:left;cursor:pointer;margin-right:15px;}
.main2 .dbYd .hd ul li:nth-child(1){background:url(/statics/aist/zt/2018lyjd/img/index_04_x1.jpg) center no-repeat; }
.main2 .dbYd .hd ul li:nth-child(2){background:url(/statics/aist/zt/2018lyjd/img/index_04_x2.jpg) center no-repeat; }
.main2 .dbYd .hd ul li:nth-child(3){background:url(/statics/aist/zt/2018lyjd/img/index_04_x3.jpg) center no-repeat; }
.main2 .dbYd .hd ul li:nth-child(4){background:url(/statics/aist/zt/2018lyjd/img/index_04_x4.jpg) center no-repeat; }
.main2 .dbYd .hd ul li:nth-child(1).on{height:145px;background:url(/statics/aist/zt/2018lyjd/img/index_04_x01.jpg) center no-repeat; }
.main2 .dbYd .hd ul li:nth-child(2).on{height:145px;background:url(/statics/aist/zt/2018lyjd/img/index_04_x02.jpg) center no-repeat; }
.main2 .dbYd .hd ul li:nth-child(3).on{height:145px;background:url(/statics/aist/zt/2018lyjd/img/index_04_x03.jpg) center no-repeat; }
.main2 .dbYd .hd ul li:nth-child(4).on{height:145px;background:url(/statics/aist/zt/2018lyjd/img/index_04_x04.jpg) center no-repeat; }
.main2 .dbYd .bd{ height:583px;width:917px;float:left;overflow:hidden;}
.main2 .dbYd .bd ul{height:583px; width:917px;padding:0px;margin:0px; overflow:hidden;}
.main2 .dbYd .bd li{ zoom:1; height:583px;width:917px; overflow:hidden;margin: 0 auto;}


.main3{width:100%;height:678px; background:url(/statics/aist/zt/2018lyjd/img/index_05.jpg) top center no-repeat;}
.main3 .m3_con{width:1128px;margin:0 auto;padding-top:325px;}
.main3 .left{width:520px;margin-left: 90px;float:left;}
.main3 .right{width:470px;margin-top:30px;margin-left: 40px;float:left;}
.main3 .lef_tit{font-size:27px;color:#333333;line-height:74px;}
.main3 .lef_con{font-size:16px;color:#666666;line-height:24px;padding-bottom:25px;}
.main3_1{width:100%;height:593px; background:url(/statics/aist/zt/2018lyjd/img/index_06.jpg) top center no-repeat;}
.main3_2{width:100%;height:333px; background:url(/statics/aist/zt/2018lyjd/img/index_07.jpg) top center no-repeat;}
.main3_3{display:none;width:100%;height:532px; background:url(/statics/aist/zt/2018lyjd/img/index_08.jpg) top center no-repeat;}
.main3_3 .main3_con{width:961px;margin:0 auto;padding-top:10px;height:auto;}
.main3_3 .lef_tit{font-size:27px;color:#333333;line-height:74px;}
.main3_3 .video{width:961px;height:432px;padding-top: 10px;}
.main3_3 .video .vjs-big-play-button{left:14em;top:6em;}
.main3_4{width:100%;height:640px; background:url(/statics/aist/zt/2018lyjd/img/index_09.jpg) top center no-repeat;}
.main3__n{width: 100%;height: 200px;background: url(/statics/aist/zt/2018lyjd/img/index_09.jpg) top center no-repeat;padding-top: 1px;}
.main3_4 .main3_con{width:961px;margin:0 auto;padding-top:30px;height:auto;}
.main3_4 .lef_tit{font-size:27px;color:#333333;line-height:74px;padding-bottom:10px;}

.main4{width:100%;height:1177px; background:url(/statics/aist/zt/2018lyjd/img/index_10.jpg) top center no-repeat;}
.main4_n{width:100%;height:1092px; background:url(/statics/aist/zt/2018lyjd/img/index_10_n.jpg) top center no-repeat;}
.main4 .m_right{width:630px;float:right;padding-left:77px;margin-top: 330px;}
.main4 .m_zx{padding-top: 760px;}
.main4_n .m_zx{padding-top: 550px;}
.main5{width:100%;height:1113px; background:url(/statics/aist/zt/2018lyjd/img/index_11.jpg) top center no-repeat;}
.main5_n{width:100%;height:1079px; background:url(/statics/aist/zt/2018lyjd/img/index_11_n.jpg) top center no-repeat;}
.main5 .m_left{width:630px;float:left;padding-left:77px;margin-top: 272px;}
.main5 .m_zx{padding-top: 700px;}
.main5_n .m_zx{padding-top: 588px;}

.main6{width:100%;height:1378px; background:url(/statics/aist/zt/2018lyjd/img/index_12.jpg) top center no-repeat;}
.main6_n{width:100%;height:1068px; background:url(/statics/aist/zt/2018lyjd/img/index_12_n.jpg) top center no-repeat;}
.main6 .m_right{width:630px;float:right;padding-left:77px;margin-top: 272px;}
.main6 .video{width:600px;height:400px;padding-top: 530px;}
.main6 .video .vjs-big-play-button{left:8em;top:5.5em;}
.main6 .m_zx{padding-top: 20px;}
.main6_n .m_zx{padding-top: 574px;}

.main7{width:100%;height:798px; background:url(/statics/aist/zt/2018lyjd/img/index_13.jpg) top center no-repeat; }
.main8{width:100%;padding:70px 0px 100px; background-color:#dfdfdf;}
.main9{width:100%;padding:70px 0px 150px; background-color:#f7f7f7;}
.main9 .wenti{margin-top:50px;}

.zy-Slide{position:relative; width:930px; height:530px;margin:35px auto 0;}
.zy-Slide ul{position:relative; width:930px; height:530px; margin:0; padding:0;}
.zy-Slide li{ position:absolute;list-style:none;background:#000;width:0;height:0;top:146px; left:377px; z-index:0;cursor:pointer; margin:0; padding:0;border-radius:22px; -webkit-box-shadow: 2px 2px 2px 2px hsla(0,0%,0%,0.1); box-shadow: 2px 2px 2px 2px hsla(0,0%,0%,0.1); }
.zy-Slide li img{width:100%;height:100%;vertical-align:middle;border-radius:22px;}
.zy-Slide section:nth-child(1), .zy-Slide section:nth-child(2){ position: absolute; top: 40%; width: 50px; height: 100px; margin-top: -20px; cursor: pointer; line-height: 40px; padding-left: 12px; padding-right: 12px; }
.zy-Slide section:nth-child(1){left:-90px;}
.zy-Slide section:nth-child(2){right:-70px;  }