/*reset*/
html {
    font-family: sans-serif;
    -ms-text-size-adjust: 100%;
    -webkit-text-size-adjust: 100%;
  }
  
  body {
    margin: 0;
  }
  
  article,
  aside,
  details,
  figcaption,
  figure,
  footer,
  header,
  hgroup,
  nav,
  section,
  summary {
    display: block;
  }
  
  h1,
  h2,
  h3,
  h4,
  h5,
  h6,
  dl,
  dd,
  p,
  select,
  textarea {
    margin: 0;
  }
  
  ol,
  ul {
    margin: 0;
    padding: 0;
    list-style: none;
  }
  
  a {
    color: #333;
    background-color: transparent;
    -webkit-text-decoration-skip: objects;
    text-decoration: none;
  }
  
  a:active,
  a:hover {
    outline: 0;
  }
  
  audio,
  canvas,
  video {
    display: inline-block;
    vertical-align: baseline;
  }
  
  audio:not([controls]) {
    display: none;
    height: 0;
  }
  
  img {
    border: 0;
    display: block;
  }
  
  svg:not(:root) {
    overflow: hidden;
  }
  
  button,
  input[type="button"],
  input[type="reset"],
  input[type="submit"] {
    -webkit-appearance: button;
    cursor: pointer;
  }
  
  button::-moz-focus-inner,
  input[type="button"]::-moz-focus-inner,
  input[type="reset"]::-moz-focus-inner,
  input[type="submit"]::-moz-focus-inner {
    padding: 0;
    border: 0;
  }
  
  button[disabled],
  html input[disabled] {
    cursor: default;
  }
  
  input,
  button {
    overflow: visible;
  }
  
  button,
  select {
    text-transform: none;
  }
  
  input[type="checkbox"],
  input[type="radio"] {
    padding: 0;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
  }
  
  textarea {
    resize: none;
    border: 1px solid #ccc;
  }
  
  table {
    border-collapse: collapse;
    border-spacing: 0;
  }
  
  td,
  th {
    padding: 0;
  }
  
  del {
    text-decoration: line-through;
  }
  
  sub,
  sup {
    font-size: 75%;
    line-height: 0;
    position: relative;
    vertical-align: baseline;
  }
  
  sub {
    bottom: -0.25em;
  }
  
  sup {
    top: -0.5em;
  }
  
  .clearfix:after {
    display: block;
    content: '';
    height: 0;
    clear: both;
    visibility: hidden;
  }
  
  html {
    font-size: 12px;
    -webkit-tap-highlight-color: transparent;
  }
  
  body {
        font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
        font-family: "Microsoft YaHei", Arial, SimSun, SimHei, sans-serif;
        font-size: 14px;
        color: #333;
    }
    .wrapper {
        width: 1200px;
        margin: 0 auto;
    }
/*第一部分  */
.banner1{
    margin-top:105px;
}
.banner1 .tlgg1{
    display: block;
    width:1200px;
    height: 100px;
    margin:20px auto 30px auto;
}
/* 第二部分 */
.ban2_mian .navbar_jsyi {
    height: auto;
    margin-top: 50px;
  }
  
  .ban2_mian .navbar_jsyi .item {
    width: 140px;
    height: 60px;
    margin-bottom: 20px;
    float: left;
    /* margin-right: 40px; */
    margin-right: 10px;
    font-size: 22px;
    color: #003;
    text-align: center;
    line-height: 50px;
    cursor: pointer;
    background: url(../img/jslb_bg.png) no-repeat;
  }
  
  .ban2_mian .navbar_jsyi .active {
    color: #fff;
    background: url(../img/jslb_bg1.png) no-repeat;
  }


  .ban2_mian .jsyi_list {
    display: none;
    flex-wrap: wrap;
    justify-content:flex-start;
  }
  
  .ban2_mian .jsyi_list .jsyi_liebiao {
    width: 258px;
    height: 268px;
    margin-top: 50px;
    position: relative;
    border: 1px solid #e33825;
    border-radius: 10px;
    margin-right:53px;
    transition: all .3s;
  }
  .ban2_mian .jsyi_list .jsyi_liebiao:hover{
    margin-top: 45px;
  }
  .ban2_mian .jsyi_list .jsyi_liebiao:nth-child(4n){
    margin-right: 0;
  }
  .ban2_mian .jsyi_list .jsyi_liebiao img {
    position: absolute;
    width: 260px;
    height: 218px;
    top: -9px;
    left: -6px;
    border-radius: 10px 10px 0 0;
  }
  
  .ban2_mian .jsyi_list .jsyi_liebiao .jsyi_lbjs {
    width: 260px;
    height: 52px;
    background-color: #fff;
    border-radius: 0 0 10px 10px;
    position: absolute;
    left: -6px;
    bottom: 8px;
    box-shadow: 0 0 6px 4px rgba(10, 10, 10, 0.1);
  }
  
  .ban2_mian .jsyi_list .jsyi_liebiao .jsyi_lbjs span {
    float: left;
    padding-left: 36px;
    position: relative;
    line-height: 52px;
    font-size: 20px;
    color: #000;
  }
  
  .ban2_mian .jsyi_list .jsyi_liebiao .jsyi_lbjs span::before {
    position: absolute;
    content: '';
    width: 5px;
    height: 22px;
    background: linear-gradient(to bottom, #e53622, #ff7252);
    left: 20px;
    top: 16px;
  }
  
  .ban2_mian .jsyi_list .jsyi_liebiao .jsyi_lbjs p {
    float: left;
    margin-left: 20px;
    line-height: 52px;
    font-size: 16px;
    color: #000;
  }
  /* 最新师资团队列表 */
  .ban2_mian .jsyi_list{
    margin-bottom: 80px;
  }
  .ban2_mian .jsyi_list .jsyi_liebiaom{
      width: 385px;
      height: 270px;
      margin-top: 22px;
      position: relative;
      border: 1px solid #c1c1c1;
      margin-right: 18px;
  }
  
  .ban2_mian .jsyi_list .jsyi_liebiaom:nth-child(3n){
     margin-right: 0;
  }
  .ban2_mian .jsyi_list .jsyi_liebiaom .jsyi_img{
      position: absolute;
      width: 201px;
      height: 254px;
      top:8px;
      left:8px;
      overflow: hidden;
  }
  .ban2_mian .jsyi_list .jsyi_liebiaom img {
      width: 201px;
      height: 254px;
      -webkit-transition: all .3s linear;
      -o-transition: all .3s linear;
      transition: all .3s linear;
  }
  .ban2_mian .jsyi_list .jsyi_liebiaom a:hover img{
      width: 201px;
      height: 254px;
      transform: scale(1.1);
  }
  .ban2_mian .jsyi_list .jsyi_liebiaom .jsyi_tag{
     width: 104px;
     height: 33px;
     line-height: 33px;
     text-align: center;
     background:#ff6400;
     color:#fff;
     font-size:16px;
     border-radius:50px;
     position: absolute;
     right:8px;
     top: 10px;
  }
  .ban2_mian .jsyi_list .jsyi_liebiaom .jsyi_lbjsm{
     width: 151px;
     height: 157px;
     position: absolute;
     right:8px;
     top: 60px;
  }
  .ban2_mian .jsyi_list .jsyi_liebiaom .jsyi_lbjsm a{
    display:block;
    width: 151px;
    height: 157px;
  }
  .ban2_mian .jsyi_list .jsyi_liebiaom .jsyi_lbjsm span{
    font-size: 28px;
    color: #282828;
    padding-left:20px;
  }
  .ban2_mian .jsyi_list .jsyi_liebiaom .jsyi_lbjsm span::before {
    position: absolute;
    content: '';
    width: 5px;
    height: 22px;
    background: linear-gradient(to bottom, #e53622, #ff7252);
    left: 3px;
    top: 10px;
  }
  .ban2_mian .jsyi_list .jsyi_liebiaom .jsyi_lbjsm p{
    font-size: 15px;
    color: #232323;
    margin-top: 15px;
    margin-bottom: 15px;
    overflow: hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
  }
  .ban2_mian .jsyi_list .jsyi_liebiaom a.jsyi_yyst{
    position: absolute;
    bottom: 12px;
    right: 8px;
    display: block;
    width: 151px;
    height: 33px;
    line-height: 33px;
    color:#fff;
    font-size:17px;
    background:#1b66ff;
    border-radius:10px;
    text-align: center;
    transition: all .3s;
  }
  .ban2_mian .jsyi_list .jsyi_liebiaom a:hover{
    box-shadow: 0 0 10px rgba(0,0,0,.5);
    font-size:18px;
  }
  .ban2_mian .show {
    display: flex;
  }
  