@charset "gb2312";
/* CSS Document */
/*
* Description: 试听课专题
* Update:      25/07/2023
* Author:      xuyongmei
*/
body,h1,h2,h3,h4,h5,h6,dl,dt,dd,ul,ol,li,th,td,p,blockquote,pre,form,fieldset,legend,input,button,textarea,hr{margin:0;padding:0;}
ul,ol{list-style: none;}
body{font-size: 16px; background: #f4f7fc;  color:#333;font-family: "PingFang SC", -apple-system, "Noto Sans", "Helvetica Neue", Helvetica, "Nimbus Sans L", Arial, "Liberation Sans", "Hiragino Sans GB", "Noto Sans CJK SC", "Source Han Sans SC", "Source Han Sans CN", "Microsoft YaHei", "Wenquanyi Micro Hei", "WenQuanYi Zen Hei", "ST Heiti", SimHei, "WenQuanYi Zen Hei Sharp", sans-serif !important;}
select,input,button{vertical-align: middle;font-size: 100%;border:0;}
fieldset,img{border: 0 none;}
h1, h2, h3, h4, h5, h6{ font-size:100%; font-weight:normal;}
em,i,b{font-style: normal;}
a{ color:#fff; text-decoration: none;}
a:hover{text-decoration:none;}
.clear {clear: both;display: block;height: 0; visibility: hidden; font: 0/0 arial}
.clearfix:after {content: "."; display: block; height: 0; clear: both; visibility: hidden; font-size: 0}
.clearfix {*zoom: 1}
/* ---------------------------------分隔线--------------------------------- */
.autoin{margin:0 auto;width:1180px;font-family: "PingFang SC", -apple-system, "Noto Sans", "Helvetica Neue", Helvetica, "Nimbus Sans L", Arial, "Liberation Sans", "Hiragino Sans GB", "Noto Sans CJK SC", "Source Han Sans SC", "Source Han Sans CN", "Microsoft YaHei", "Wenquanyi Micro Hei", "WenQuanYi Zen Hei", "ST Heiti", SimHei, "WenQuanYi Zen Hei Sharp", sans-serif !important;}
img{display:block;}
.bz{box-sizing: border-box;-webkit-box-sizing: border-box;-moz-box-sizing: border-box;-ms-box-sizing: border-box;-o-box-sizing: border-box;}


/* banner */
.banner{width:100%;height:429px;background: url(../images/banner.jpg) center top no-repeat;overflow: hidden;}
.banner .autoin{overflow: hidden;}
.banner h3{width: 198px;height: 46px;line-height: 46px;font-size: 24px;color: #fff;text-align: center;letter-spacing:1px;background-color: #0166ff;border-radius: 23px;-webkit-border-radius: 23px;-moz-border-radius: 23px;-ms-border-radius: 23px;-o-border-radius: 23px;margin: 75px 0 0 3px;}

/*主体内容*/
.m_cont{width: 100%;padding: 35px 0 90px;}

.mcon{overflow: hidden;}
.mcon_l{float: left;width: 825px;}
.mcon_l h3{height: 84px;line-height: 84px;font-size: 26px;font-weight: bold;color: #0166ff;letter-spacing: 1px;background: url(../images/line1.png) left center no-repeat;padding-left: 20px;}

.mcon_l table{overflow: hidden;}
.mcon_l table th,.mcon_l table td{text-align: center;vertical-align: middle;}
.mcon_l table td{font-size: 16px;color: #000;border-bottom: 1px solid #dee1e6;border-right: 1px solid #dee1e6;}
.bor1{border-left: 1px solid #dee1e6;}
.mcon_l table th{font-size: 18px;color: #fff;font-weight: normal;}
.mcon_l table a{font-size: 16px;color: #0166ff;text-decoration: none;}
.mcon_l table a:hover{font-weight: bold;text-decoration: none;}
.icon{display: inline-block;vertical-align: middle;width: 17px;height: 15px;margin: -5px 12px 0 0;}
.icon1{background: url(../images/icon1.png) no-repeat;}
.icon2{background: url(../images/icon2.png) no-repeat;}
.mcon_l table p{text-align: left;}
.mcon_l table p em{float: left;width: 284px;margin-left: 23px;}
.mcon_l table p a{float: left;width: 110px;}
.th_i{color: #f9dc15;margin-right: 27px;}

.table1{border-top: 1px solid #dee1e6;margin: 10px 0 30px;}
.table1 a{display: block;}

.table2{border-top: 1px solid #015de7;margin-top: 10px;}
.table2 .bor2{border-left: 1px solid #015de7;}
.table2 th{background-color:#0166ff;border-right: 1px solid #2078ff;}
.table2 .bor3{border-right: 1px solid #015de7;}

.table3{border-top: 1px solid #df5f2a;margin-top: 10px;}
.table3 .bor2{border-left: 1px solid #df5f2a;}
.table3 th{background-color:#f6692e;border-right: 1px solid #f77b47;}
.table3 .bor3{border-right: 1px solid #df5f2a;}
.table3 .th_i,.table5 .th_i{margin-right: 12px;}

.table4{border-top: 1px solid #22af7b;margin-top: 10px;}
.table4 .bor2{border-left: 1px solid #22af7b;}
.table4 th{background-color:#25c188;border-right: 1px solid #3fc996;}
.table4 .bor3{border-right: 1px solid #22af7b;}

.table5{border-top: 1px solid #df3a3a;margin-top: 10px;}
.table5 .bor2{border-left: 1px solid #df3a3a;}
.table5 th{background-color:#f64040;border-right: 1px solid #f75757;}
.table5 .bor3{border-right: 1px solid #df3a3a;}

.mcon_r{float: right;width: 318px;overflow: hidden;margin-top: 10px;}
.mcon_rm{width: 318px;overflow: hidden;}
.mcon_rm li{width: 318px;height: 188px;margin-bottom: 13px;overflow: hidden;}
.ad_ra{display: block;width: 318px;height: 188px;transition: all 0.3s ease;-webkit-transition: all 0.3s ease;-moz-transition: all 0.3s ease;-ms-transition: all 0.3s ease;-o-transition: all 0.3s ease;}

.mcon_rm li a:hover{transform: scale(1.05);-webkit-transform: scale(1.05);-moz-transform: scale(1.05);-ms-transform: scale(1.05);-o-transform: scale(1.05);}
.ad_r1{background: url(../images/ad_r1.png) no-repeat;}
.ad_r2{background: url(../images/ad_r4.png) no-repeat;}
.ad_r3{background: url(../images/ad_r5.png) no-repeat;}

.nav_fixed{position: fixed;top: 0;left: 50%;margin-left: 272px;z-index: 99;}

/*左侧导航*/
.side_r{width: 123px;height: 462px;position: fixed;top:50%;left:10px;margin-top:-290px;z-index: 99;display: none;}
.side_rin{width: 123px;height: 462px;background: url(../images/side_r.png) no-repeat;padding-top: 93px;}
.side_rul{height:310px;overflow: hidden;background:url(../images/line2.png) center top no-repeat;padding-top: 2px;}
.side_rul li{height: 33px;cursor: pointer;background:url(../images/line2.png) center bottom no-repeat;overflow: hidden;}
.side_rul li,.side_rul li a{line-height: 32px;font-size: 16px;color: #fff;text-align: center;}
.side_rul li.cur,.side_rul li.cur a{color:#f9dc15;}

.back_icon{display: block;width: 40px;height: 40px;background: url(../images/back_icon.png) center center no-repeat;margin:0 auto;cursor: pointer;}