body{
            background: #292929 none no-repeat fixed center top;
            margin: 0;
            padding: 0;
            position: relative;
            background-repeat: no-repeat;
            background-size: cover;
            background-position: center top;
            background-image : url("https://5949e99dcd15b.t73.qifeiye.com/qfy-content/uploads/2017/06/e6cb3fd68ffff65b2d637d92ac97903a.jpg");
        }
    
        /* 头部 */
        .tp{
            width: 100%;
            background-color: #292929;
        }
        .top{
            width: 1190px;
            height: 74px;
            margin: 0 auto;
            /* background-color: red; */
       
        }
          
        .top .top-left{
            width: 225px;
            height: 74px;
             float: left;
        }
        .top-left img{
            width:141.72px;
            height: 50px;
            margin: 12px;
        }
        .top-right{
            width: 964px;
            height: 74px;
            float: right;
            /* background-color: royalblue; */
        }
        .top-right ul{
            height: 74px;
            margin: 0;
            padding: 0;
           margin-left: 296px;
           
        }
        li{
             list-style: none;
        }
        a{
  text-decoration: none;
   color:rgb(211, 211, 211);
        }
        .top-right li a{
         
        float: left;
        
       
         margin:0  30px 0;
         font-size:14px ;
        color: #848484;
         height: 74px;
         line-height: 74px;
        }
        .top-right li a:hover{
            cursor: pointer;
            color: seashell;
        }
        /* banner */
        .banner{
            width: 100%;
            height: 800px;
            background-repeat: no-repeat;
            background-size: cover;
            background-position: center top;
            background-image : url("https://5949e99dcd15b.t73.qifeiye.com/qfy-content/uploads/2017/06/e6cb3fd68ffff65b2d637d92ac97903a.jpg");
       
        }
        .banner .bnl,.bnr{
            display: block;
             width: 50px;
            height: 50px;
            line-height: 40px;
            text-align: center;
            color: #848484;
            font-size: 50px;
            position: absolute;
            top: 50%;
            background-color: rgba(0, 0, 0, 0);
        }
        .banner .bnl{
           
           left: 20px;
        }
        .banner .bnr{
        right: 20px;
        }
        .banner .bnw{
            height: 50px;
            text-align: center;
            color: rgb(211, 211, 211);
            text-align: center;
            font-size: 24px;
            white-space: nowrap;
            position: absolute;
            top: 0;
            bottom: 0;
            left: 0;
            right: 0;
            margin: auto;
        }
        /* mp3*/
        .mp3{
            width: 100%;
            height: 74px;
            margin: 0 auto;
            position: relative;
            background-color: rgba(0, 0, 0, 1);
        }
        .mp3 audio{
            width: 600px;
            height: 65px;
            position: absolute;
            left: 0;
            right: 0;
            top: 0;
            bottom: 0;
            margin: 0 auto;

        }
        /* 班级设置 */
        .banji,.teach,.baoming{
            background-color: #292929;
            float: left;
            width: 100%;
            color:  rgb(211, 211, 211);
            padding-top:100px;
            margin: 0 auto;
            position: relative;
            
            /* display: none; */
            
        }
        
        /* .banji .shezhi,.banji .set,.teach .shezhi,.teach .set{ */
        .shezhi,.set{    
            display: flex;
            align-items: center; /*定义body的元素垂直居中*/
            justify-content: center;
        }
        .set{
            font-size: 13px;
        }
        .shezhi{
            font-size: 18px;
            padding: 0 0 10px ;
        }
        .xian{
            width: 60px;
            border: 2px solid rgb(107, 188, 206);
            margin: 0 auto;
            margin-top: 20px;
            margin-bottom: 46px;
        }
        .nrbtl,.nrbtr{
            position: absolute;
            display: block;
             width: 50px;
            height: 50px;
            line-height: 40px;
            text-align: center;
            color: #848484;
            font-size: 50px;         
            background-color: rgba(0, 0, 0, 0);
             top: 50%;
        }
        .nrbtl{
           left: 120px;
        }
        .nrbtr{
        right: 120px;
        }
        /* 内容 */
      .nr{
          width: 1190px;
          margin: 0 auto;
     
      }
      
       .nr1{
              
            width: 346.6px;
            height: 475px;
            float: left;
            padding:0 25px 30px; 
            margin-top: 200px;
        }
        
        .nr1 .nr1-img{
            width: 346px;
            height: 303px;
            overflow: hidden;
             display: flex;
            align-items: center; /*定义body的元素垂直居中*/
            justify-content: center;
        }
        .nr1 .nr1-img img{
          
            width: 100%;
        }
        .nr1 .span a{
            display: block;
            width: 332px;
            font: 18px ;
            font-family: 微软雅黑;
            font-weight: normal;
            padding: 20px 0px 8px;
            color: #B7B7B7;
            cursor: pointer;
            text-decoration: none
        }
        .nr1 .span span{
            color: #7f7f7f;
             font-size: 13px;
                
             word-break: break-all;
            font-family: 微软雅黑;
            line-height: 26px;
        }
        .nr1:hover span,img{ 
            cursor: pointer;
            color:rgb(211, 211, 211);
        }
        .nr1:hover img{
            width: 110%;
            transition:0.5s ease-in;
        }
        .nr2{
            float: left;
            width: 100%;
           margin-top: 40px;
            margin-bottom: 80px;
        
          
        }
        .nr2 span{
            display: block;
            font-size: 14px;
            font-family: "微软雅黑";
            padding: 8px 40px;
            border: 1px solid rgb(209, 209, 209);
            width: 76px;
            margin:0 auto;
        }
        .nr2 span:hover{
            border-color: #B7B7B7;
            cursor: pointer;
            color:#B7B7B7;
        }
        /* 海报 */
        .haibao{
            width: 100%;
            height: 634px;
            background-color: rgb(0, 0, 0);
            float: left;
            margin: 0 auto;
            color:  rgb(211, 211, 211);
          
            
        }
        .haibao .haibao-img{
           float: left;
            width: 50%;
            height: 634px;
            overflow: hidden;
            position: relative;
            
        }
        .haibao-img-box{
            position: absolute;
            width: 300%;
            transition: 1s ease-in;
        }
        .haibao .haibao-img img{
            width: 33.333%;
            float: left;
        }
        .haibao .haibao-jieshi{
            float: right;
            width: 50%;
          
        }
       
       .haibao .haibao-jieshi .span{
            width: 570px;
            margin: 0 auto;
       }
        .haibao .haibao-jieshi .span span{
            
            color: #7f7f7f;
            font-size: 13px;         
            word-break: break-all;
            font-family: 微软雅黑;
            line-height: 26px;
        }
        .haibao .shezhi,.haibao .set{
            display: flex;
            align-items: center; /*定义body的元素垂直居中*/
            justify-content: center;
        }
        .haibao .shezhi{
            margin-top: 150px;
            padding: 0 0 10px ;
        }
        .haibao .xian{
            width: 60px;
            border: 2px solid rgb(107, 188, 206);
            margin: 0 auto;
            margin-top: 20px;
            margin-bottom: 46px;
        }
        /* 师资力量 */
        .teach .nr .nr1 img{
            width: 330px;
            height: 320px;
        }
        .teach .nr .nr1:hover{

    
            box-shadow:
             /* 0px -10px 0px 0px rgba(0,0,0,0),   上边阴影  透明 */

                /* -10px 0px 0px 0px rgba(0,0,0,0),   左边阴影  透明 */
                
                /* 10px 0px 0px 0px rgba(0,0,0,0),    右边阴影  透明 */
                
                0px 10px 50px 0px rgba(0,0,0,0.1);
        }
        /* zixun */
        .zixun {
            float: left;
            width: 100%;
            color:  rgb(211, 211, 211);
            padding-top:100px;
            margin: 0 auto;
            position: relative;
        }
        .zixun .boxs .box{
            width:1180px ;
            height: 150px;
            background-color: rgba(96,96,96,0.3);
            margin: 0 auto;
            display: flex;
            align-items: center; /*定义body的元素垂直居中*/
            justify-content: center;
        }
        .zixun .boxs .box .left{
            float: left;
            
        }
        .zixun .boxs .box .left .date1{
            font-size: 24px;
            
            color: #cccccc;
        }
        .zixun .boxs .box .left .date2{
            font-size: 14px;
        }
        .zixun .boxs .box .right{
            float: right;
            margin-left: 50px;
        }
        .zixun .boxs .box .right a{
            font-size: 16px;
            color: #ffffff;
        }
        .zixun .boxs .box .right span{
            font-size: 12px;
        }
        .zixun .boxs .box  .hid{
              font-size: 30px;
            font-weight: 900;
             margin-left: 30px;
           display: none;
        }
        .zixun .boxs .box:hover  .hid{
           
            
            display: block;
            
        }
        .zixun .boxs .box:hover {
            background: rgba(0, 0, 0, 0);
        }
        .zixun .boxs .box:hover:hover .left{
            margin-left: -50px;
            transition:  0.5s;
        }
        .zixun .boxs hr{
            width: 1180px;
            margin: 0 auto;
            border: none;
            height: 1px;
            color: rgb(81, 80, 82);
        }
        /* 报名 */
        .baoming{
            height: 500px;
        }
         .baoming .left{
             float: left;
             margin-left: 200px;
         }
        .baoming .right{
            float: right;
          font-size: 14px;
          color: rgb(136, 136, 136);
                   margin-right: 150px;
               
        }
    
        .baoming .right .tm{
            float: left;
     
            margin-right: 20px;
        }
        /* bottom */
        .bottom{
            width: 100%;
            height: 200px;
            float: left;
            background-color: #292929;
        
        }
        .bottom hr{
            border: 1px solid #cccccc;
            
        }
        .bottom .img{
            width: 300px;
            height: 100px;
             margin: 0 auto;
             margin-top: 50px;
        }
        .bottom .img img{
            width: 100%;
        }