*{margin:0;padding:0; list-style: none;text-decoration: none;}
/* .el-col{padding: 0;margin:0;} */
.banner{position: relative;}
.banner img{width:100%;height: 1218px;}
.content{width:100%;position: relative;position: absolute;top:600px;}
.main_top{width:1200px;height:748px;margin: 0 auto;}
.Navigation{width:1200px;}
.menu{height: 117px;line-height: 30px;}
.menu>li{float: left;width: 100px;margin-left:100px;height:23px;}
.menu>li:first-child {margin-left:50px;}
.menu a {display:block;color: #ffffff;font-size: 20px;text-align:center;margin-top: 45px;}
.menu li:hover>a{color:#000;

    background: white;
    border-radius: 40px;
    }

.preface{width:100%;height: 30px;color: #ffffff;line-height: 30px;font-size: 12px;display: flex;}
.preface b{font-size: 16px;color: red;margin-left:20px;}
.preface img{padding-top:5px;margin-left:100px;}
.preface a{color: red;}
.standard{width:100%;height:600px;margin-top:50px;}
.standard_top{width:100%;height: 50px;display: flex;line-height: 50px;}
.title{margin: 0 auto;display: flex;}
.standard_toptow{width:100%;height: 50px;display: flex;line-height: 50px;}
.standard_toptow img{width:24px;height:15px;margin-top: 15px;}
.titletow{margin: 0 auto;display: flex;}
.titletow p{font-size: 16px;color: #ffffff;}
.standard_top p{font-size: 40px;color: #ffffff;margin:0 20px;}
.standard_content{width: 100%;height:450px;display: flex;padding-top:50px;}
.content_1{width:271px;height:379px;position: relative;margin-right:39px;background: rgba(255,255,255,1);}
.content_1 img{width:271px;height:121px;}
.content_1 p{font-size: 20px;color: #000;text-align: center;margin:10px 0;}
.content_1 span{font-size: 16px;display: inline-block;width: 230px;height:45px;position:absolute;left: 18px;}
.content_1 button{width:200px;height:60px;background: rgba(51,51,51,1);position: absolute;bottom:30px;left: 35px;font-size: 18px;color: #ffffff;}
.content_1 button:hover{
  color: red;
}
/* 四大标准 */
.main_center{width:100%;height: 1150px;margin-top:50px;}
.enroll{width:1200px;height:1150px;margin: 0 auto;}
.enroll1{width:1200px;height:180px;margin:75px 0px;display: flex;}
.enroll1_b{width: 116px;height:181px;margin-right:50px;}
.enroll1_font{width:629px;height:89px;margin-top:20px;}
.enroll1_font p{font-size: 20px;margin-bottom: 10px;}
.enroll1_font span{font-size: 16px;}
.enroll1_img{width:222px;height:199px;position: relative;}
.enroll1_img img{position: absolute;bottom:50px;left:30px;}
    .enroll1_img:hover  {
    transform: scale(1.2);
    zoom: 1;
    transition: all 1.5s;
  }
.enroll1_img {
    width: 222px;
    height: 199px;
}
.enroll2{width:1200px;height:180px;margin:75px 0px;display: flex;}
.enroll2_b{width: 116px;height:181px;margin-left:100px;}
.enroll2_font{width:629px;height:89px;margin-top:20px;margin-left:100px}
.enroll2_font p{font-size: 20px;text-align: right;margin-bottom: 10px;}
.enroll2_font span{font-size: 16px;}
.enroll2_img{width:222px;height:199px;position: relative;}
.enroll2_img img{position: absolute;bottom:50px;left:60px;}
    .enroll2_img:hover  img {
    transform: scale(1.2);
    zoom: 1;
    transition: all 1.5s;
  }
.enroll2_img {
    width: 222px;
    height: 199px;
}
.main_time{width:100%;height:522px;}
.main_time img{width:100%;height:522px;}
.main_activit{width:100%;height:1292px;background:url(../images/beijing.jpg) ;}
/* 背景活动 .main_activit{width:100%;height:1292px;background:url(../images/beijing.jpg) no-repeat;}*/
.activit_content{width:1200px;margin:0 auto;}
.activit_content1{display: flex;margin-top:39px;}
.content_img{width:375px;height:201px;margin-right:39px;position: relative;}
.content_img p{position: absolute;font-size: 36px;color: #ffffff;top:35%;left:17%;text-align: center;}
.content_img p:nth-child(1){
  left: 1%;
}
    .content_img:hover  img {
    transform: scale(1.2);
    zoom: 1;
    transition: all 1.5s;
  }
.content_img {
    width: 375px;
    height: 201px;
    overflow: hidden;
}
.activit_button{width:100%;height:70px;}
.button{width:1200px;margin-left:25%;margin-top:38px;}
.activit_button button{width:262px;height:66px;margin-right:80px;font-size: 20px;}
.activit_button button:hover {
    color: #409EFF;
    border-color: #c6e2ff;
    background-color: #ecf5ff;
    }
.lunbotu{width:454px;height:240px;}
.consult{width:100%;height:254px;margin-top:40px;display: flex;}
.consult1{width:272px;height:256px;border: 1px solid red;padding: 20px 30px;margin-right:38px;}
.consult1 p{font-size: 20px;color: #ffffff;text-align: center;}
.consult1 span{font-size: 14px;color: #ffffff;}
/* 海外师资 */
.teachers{width:100%;height:532px;}
.teachers_img{width:1200px;height:532px;margin: 0 auto;padding-left:75px;margin-top:50px;overflow:hidden; }
.el-carousel__item h3 {font-size: 20px;text-align: center;}
.teachers_span{color:#ccc;margin-left:20px;}
.teachers_button{width:100%;height:57px;text-align: center;position: absolute;bottom:0;background: #333333;}
.teachers_button a{width:85px;margin-right:50px;line-height: 57px;}
.teachers_button a:hover{
  background-color: red;
}
.el-carousel__item{width:450px;margin-top: 15px;}
.el-carousel__item:nth-child(2n) {background-color: #ffffff;}
.el-carousel__item:nth-child(2n+1) {background-color: #ffffff;}
/* 本科案例.main_case{width:100%;height:833px;background:url(../images/beijing1.jpg) no-repeat} */
.main_case{width:100%;height:833px;background:url(../images/beijing1.jpg) }
.case_img{width:1200px;height:770px;margin:0 auto;}
.case_img1 img{margin-right:52px;margin-top:30px;}
/*footer*/
.footer{background:#2d2d2d;position: relative;}
.foot{width:1200px;height:auto;overflow:hidden;margin:0 auto;}
.foot_left{float:left;}
.foot_left ul{float:left;margin-right:40px;padding:0;}
.foot_left ul span{font-size:16px;color:#fff;text-align:center;margin-bottom:5px;display:block;}
.foot_left ul li a{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:12px;color:#b8b8b8;line-height:28px;display:block;}
.foot_left ul li a:hover{color:#fff;}
.foot_right{width:auto;float:right;}
.foot_phone{width:auto;height:auto;overflow:hidden;float:left;color:#ccc;}
.foot_phone span{font-size:20px;color:#fff;display:block;margin:5px 0 10px;}
.foot_phone p{font-size:14px;line-height:26px;color:#fff;margin:0;}
.foot_p{width:100%;}
.foot_rwm{width:98px;height:98px;float:right;}
.foot_rwm img{width:98px;height:98px;}
.foot_rwm p{font-size:13px;text-align:center;margin-top:12px;}
.foot_bottom{text-align:center;width:100%;margin:20px auto 0;border-top:1px #444444 solid;line-height:57px;}
.foot_bottom p{float:left;width:auto;font-size:12px;color:#6a6a6a}
.foot_bottom div{width:716px;margin:0 auto;}
.foot_bottom u{width:auto;float:right;height:auto;overflow:hidden;}
.foot_bottom ul a{font-size:12px;color:#6a6a6a;}
/*index_fixed*/  
.index_fixed{width:155px;/*height:680px;*/position:fixed;left: 0px;/*bottom:10%;*/top:50%;margin-top:-240px;z-index:9;}
.index_top img{ width: 88% !important; /*height:auto !important;position:absolute;right:0;bottom: 57px;top:15%;*/}
.index_ul{position:absolute;bottom: 10px;left:22px;;}
.index_ul ul li img{width: 91%;height: auto;}
.index_ul ul li{cursor:pointer;float:left;width:20px;height:20px;}
.index_ul ul li.index_top2 img{width:20px;height:11px}
.index_ul ul li.index_top2{margin-left:72px;/*margin-top:-4px;*/}
.index_ul ul li div.index_wei{position:absolute;left:-120px;display:none;width:113px;height:98px;bottom:8px;}
.index_ul ul li div.index_wei img{width:98px;height:98px;margin-top:15px;}
.index_ul ul li.index_weixin:hover .index_wei{display:block !important;}   
.index_close{position:absolute;top: 12px;right:36px;z-index:5;}
.index_close img{width:11px !important;height:11px !important;}
video::-webkit-media-controls-enclosure {overflow:hidden;}
video::-webkit-media-controls-panel {width: calc(100% + 35px); }
.search_mid_ul p{width: 170px;}
 .gotop{display: block;width: 155px;height: 40px;position: absolute;bottom: 30px;}
/*header */
@media screen and (min-width:320px){html{width:1300px;}}
@media screen and (min-width:1300px){html{width:100%;overflow-x:hidden;}}
*{margin:0;padding:0;border:0;text-decoration:none;list-style:none;}
.clear{clear:both} .left{float:left} .right{float:right}
 html {font-family: "Microsoft YaHei";}
.index_header{height:auto;background:#fff;}
.header_top{height:30px;background:#fff;border-bottom:1px solid #ddd;}
.header_top_jz{width:1200px;height:auto;overflow:hidden;margin:0 auto;}
.top_left{width:auto;float:left;}
.top_left p{color:#999;float:left;line-height:30px;font-size:13px;}
.top_left p b{color:ff1512;}
.top_left div{float:left;line-height:30px;font-size:13px;margin-left:10px;}
.top_left div a{color:#9f9f9f;}
.top_left div a:last-child:before{content:"";width:1px;height:14px;background:#9f9f9f;display:inline-block;vertical-align:sub;margin-right:10px;margin-left:5px;}
.top_right{width:auto;font-size:14px;color:#ffea00;padding:5px 0;}
.top_right p b{font-size:18px;}
.header_bottom{height:80px;width:1200px;margin:0 auto;}
.header_logo{height:auto;overflow:hidden;float:left;}
.fr {float: right;}
/* .header_logo{width:346px;height:auto;overflow:hidden;float:left;} */
/* .header_logo a img{width:346px;height:51px;margin-top:22px;} */
.nav{width:auto;float:right;height:auto;line-height:80px;}
.rela{position:relative;}
.nav ul li{float:left;font-size:16px;margin:0 10px;}
.nav ul li>a{display: block;}
.nav ul li:last-child{margin-right:0}
.nav ul li a{color:#333333;position:relative;}
.nav ul li:hover a,.navaction>a{color:#e60909 !important;}
.nav ul li:hover a:before,.navaction>a:before{content:"";width:100%;height:2px;background:#e60909;position:absolute;bottom:15px;}
.nav ul li .nav_summe{height:256px;position:absolute;top:78px;z-index:99;width:101%;display:none;overflow:hidden;margin-left:-60px;}
.nav ul li .nav_summ{width:auto;height:220px;position:absolute;z-index:99;top:40px;background:rgba(255,255,255,0.9);padding-right:25px;padding-left:20px;}
.nav ul li:hover .nav_summe{display:block;}
.nav ul li .nav_summ:before{content:"";border-left:5px solid transparent;border-right:5px solid transparent;border-bottom:5px solid rgba(255,255,255,0.7);position:absolute;left:95px;top:-5px;}
.nav ul li:nth-child(3) .nav_summ{left:-1px;}
.nav ul li:nth-child(4) .nav_summ{left:0px;}
.nav ul li:nth-child(5) .nav_summ{left:-2px;}
.nav ul li:nth-child(6) .nav_summ{left:3px;}
.nav ul li:nth-child(7) .nav_summ{left:-4px;}
.nav ul li:nth-child(8) .nav_summ{left:1px;}
.nav ul li:nth-child(9) .nav_summ{left:3px;position:relative;float:right;}
.nav ul li:nth-child(9) .nav_summ:before{left:auto;right:30px;}
.summ_left{width:auto;float:left;}
.summ_left ul{width:auto;float:left;margin-top:20px;padding:0;}
.summ_left ul li{line-height:34px;width:auto;float:none;display:block;width:auto;}
.summ_left ul li a{font-size:14px;color:#333333;text-transform:uppercase;display:block;}
.summ_left ul li a span{font-family:"ËÎÌå";color:#e63d3d;font-weight:bold;padding-left:20px;margin-top:2px;}
.summ_left ul li a:hover span{opacity:1 !important;}
.nav ul li:hover .summ_left ul li a:before{width:0;display:none;}
.nav ul li:hover .summ_left ul li a{color:#333 !important;}
.nav ul li .summ_left ul li a:hover{color:#e63d3d !important;}
.summ_left ul li a.navactions{color:#e63d3d !important;}
.nav ul li:hover .summ_left ul li a.navactions{color:#e63d3d !important;}
.summ_right{width:338px;height:197px;float:left;margin-left:0;border-left:1px #e5e5e5 solid;margin-top:30px;}
.summ_img{width:294px;height:199px;margin-left:20px;}
.summ_img img{width:294px;height:166px;}
.summ_img p{font-size:15px;float:left;line-height:48px;}
.nav ul li:hover .summ_img a:before{display:none;}