*{margin: 0; padding: 0;}
body{min-width: 1200px;color:#3b3b3b;height:100%;}
a {text-decoration: none; color: #4b4b4b;}
a:hover, a:active,a:hover i{ outline: 0;color: #ffb424;}
ol,ul {list-style: none}
.fl{float: left;}
.fr{float: right;}
.clearfix:before, .clearfix:after { content: ""; display: table;}
.clearfix:after {clear: both;}
.clearfix { *zoom: 1;}
.ellipsis{text-overflow:ellipsis; white-space:nowrap; overflow:hidden;}
.un{-webkit-transition: all .3s ease-out;-moz-transition: all .3s ease-out;-ms-transition: all .3s ease-out;
    -o-transition: all .3s ease-out;transition: all .3s ease-out;}
.wraper{width: 100%;min-width: 1200px;}
.wrap{width: 1200px;margin: 0 auto;}
.banner{ background: url(../images/banner.png) center top no-repeat; height: 1518px;}
.bg{background: url(../images/bg.png) center no-repeat; height: 124px; box-sizing: border-box; padding: 30px 0 0 175px; font-size: 18px; color: #5258cc; line-height: 35px; margin: 30px 0 50px;}
.bg span{color:#f26163; font-weight: bold;}
.bg5{background: #fff url(../images/bot4.png) center no-repeat; height: 1000px;}
.bg4{background: #fff url(../images/bot3.png) center no-repeat; height: 2090px;}
.bg3{background: #fff url(../images/bot2.png) center no-repeat; height: 533px;}
.bg2{background: #fff url(../images/bot1.png) center no-repeat; height: 727px;}
.bg1{background: url(../images/bot.png) center no-repeat; height: 969px;}
.teach{margin-top: -850px;}
.title{text-align: center; margin-bottom: 20px;}
.teach li{background: url(../images/li.png) center no-repeat; width: 400px; height: 346px; box-sizing: border-box; padding: 42px 30px 0; position: relative; margin-bottom: 20px;}
.teach li h1{font-size: 24px; color: #f26163; margin-bottom: 15px;}
.teach li h3{font-size: 14px; color: #333;}
.teach li p{font-size: 14px; line-height: 20px;}
.teach li h1 span{font-size: 16px; font-weight: normal; background: url(../images/jx.png) center no-repeat; width: 60px; height: 24px; line-height: 24px; display: inline-block; padding-left: 10px; box-sizing: border-box; position: relative; top: -2px;}
.teach li img{position: absolute; top: -10px; right: 20px;}
.teach li .inr-bot dl{margin-top: 35px;}
.teach li .inr-bot dd{background: url(../images/jiao.png) left 5px no-repeat; padding-left: 15px; line-height: 22px; font-size: 18px; margin-bottom: 10px; line-height: 23px;}