@charset "utf-8";
/******global****/
*{margin: 0;padding: 0;}
html{background:#fff;height: 100%;min-width: 1000px;}
html,body,input,select{font:14px "微软雅黑","黑体",Tahoma, Verdana, Arial, Helvetica, sans-serif;outline: none;border: none;}
a{text-decoration: none;cursor: pointer;border: none;outline: none;}
img {border: none;}
ul,ol,li{list-style: none;margin: 0;padding: 0;}
.clearfix:after{clear: both;content: " ";display: table;}
.clearfix{*zoom:1;} 
.clear{clear: both;width: 0;height: 0;overflow: hidden;}
.hides{display: none;}
.fleft{float: left;}
.fright{float: right;}

.textcenter{text-align:center;}
.textindent{text-indent:2em;text-align: left;}
.suojin{margin-left:5em;}
.suojin3{margin-left:3em;}

video::-internal-media-controls-download-button {
    display:none;
}

video::-webkit-media-controls-enclosure {
    overflow:hidden;
}

video::-webkit-media-controls-panel {
    width: calc(100% + 30px); 
}

/*login*/
.loginbg{width:100%;height:100%;background:url(../images/loginbg.jpg) no-repeat center top;position: relative;min-width: 1000px;}
.loginbox{position:relative;background: url(../images/loginbox.png) no-repeat;width: 646px;height: 401px;position: absolute;top: 20%;left: 50%;margin-left: -323px;}
.login_title{position: absolute;top: 60px;left: 57.5px;}
.logincont{width: 260px;margin: 150px auto 0;}
.user_div,.passw_div{width: 256px;height: 47px;margin-top: 15px;}
.user_div input,.passw_div input{border: 0;padding: 5px;margin: 6px 0 0 50px;width: 180px;}
.user_div{background: url(../images/user.png) no-repeat center top;}
.passw_div{background: url(../images/passw.png) no-repeat center top;}
.loginbtn{background: url(../images/loginbtn.png) no-repeat center;width: 252px;height: 41px;display: block;margin:25px auto 0;}

/*有三个实验的首页*/
.sgsy{width:80%;  margin:12% 10%;}
.sgsy img{width:28.3%; margin-left:2.5%; margin-right:2.5%; float:left;}

.sgsy2{width:80%; margin:4% 10%;}
.lie1{width:30%; float:left; margin-left:4%; margin-top:1%; background:}
.lie2{width:30%; float:left; margin-left:1%;}
.lie3{width:30%; float:left; margin-left:1%; margin-top:1%; margin-right:4%; }


.lie1 .jiantou {width:30%; margin-left:55%; margin-right:15%; margin-top:5%; margin-bottom:5%; }
.lie1 .shiyan {width:50%; margin-left:35%; margin-right:15%; margin-top:3%; margin-bottom:3%;}
.lie2 .shiyan {width:50%; margin-left:25%; margin-right:25%;  margin-bottom:50%;}
.lie3 .jiantou {width:30%; margin-left:15%; margin-right:55%; margin-top:5%; margin-bottom:5%;}
.lie3 .shiyan {width:50%; margin-left:15%; margin-right:35%; margin-top:3%; margin-bottom:3%;}

.tongji{width:100%;float:right; margin-top:100px;}
.tongji p{width:20%; font-size:1.5vw; color:#ACABAB; float:right; }

.biankuang{width:100%; border-bottom:3px dashed #2F9CE6;}
.bottom{width:70%; margin:0 auto; overflow: hidden; margin-bottom:60px;}
.znr{width:100%; padding-top:3%; overflow:hidden;}
.datu{width:60%; float:left;}
.znry{width:40%;float:right;}
.titleimg{width:80%; float:right; margin-top:10%;}

.wenzi{width:58%; margin:0 auto; padding-top:10%; font-size:1vw; color:#919191; float:right;}
.anniu{width:100%; margin:0 auto; margin-top:3%; padding-bottom:3%;  overflow:hidden;}
.btn1{float:left; width:24%;}
.btn2{float:left; width:24%; margin-left:14%;}
.btn3{float:left; width:24%; margin-left:14%;}


.shenbao{width:100%; margin:0 auto;}
.shenbao ul{overflow:hidden;}
.shenbaozuo{width:24%; float:left;}
.shenbaozhong{width:24%; float:left; margin-left:14%;}
.shenbaoyou{width:24%; float:left; margin-left:14%;}

.shenbao img {width:100%;}

.gjt{width:70%; margin:0 auto;}
.gjt img{width:100%; margin:0 auto; margin-bottom:50px; margin-top:50px;}
.foot{width:100%; height:24px; background:#255f87; }