html,body{
    height: 100%;
    /* user-select: none; */

}
img{
    -webkit-user-drag:none;
}
.shortvideoBox {
    position: relative;
}
.shortvideoBoxs{
    position: relative;
    height: 100%;
    display: flex;
    flex-direction: column;
}
.introduceBox{
    width: 100%;
    flex: 1;
    background-image: url('../img/6_0200.jpg');
    background-size: 100% 100%;
    padding-bottom: 100px;
    padding-top: 87px;
}
.bannerBox {
    position: relative;
}
.biaoti {
    width: 50%;
    margin: 0 auto;
    text-align: center;
}
.biaoti>p:nth-child(1) {
font-size: 38px;
font-weight: 800;
background-image:-webkit-linear-gradient(bottom,#d6e4a9,#bbee87,#afe875); 
-webkit-background-clip:text; 
-webkit-text-fill-color:transparent; 
}
.biaoti>p:nth-child(2){
    font-size: 32px;
    font-weight: 800;
    background-image:-webkit-linear-gradient(bottom,#ededc7,#e1f0ad); 
-webkit-background-clip:text; 
-webkit-text-fill-color:transparent; 
}
/* .biaoti>img{
    width: 100%;
} */
.dahez {
    height: 6920px;
    border: 1px solid;
}
.fenglei {
    width: 1330px;
    height: 275px;
    margin: 0 auto;
    margin-top: 50px;
    display: flex;
    justify-content: space-between;
}
.fenglei>div {
    width: 210px;
    height: 269px;
    background-image:url('../img//zhiyeditu.png');
    background-size: 100% 100%;
    padding-top: 6px;
}
.fenglei>div>img {
    width: 96%;
    display: block;
    margin: 0 auto;
    
}
.fenglei p{
    font-size:20px ;
    color: #fff;
    text-align: center;
    line-height: 44px;
}
.anliu {
    width: 293px;
    height:56px;
    border: 3px solid #96f622;
    border-radius: 10px;
    color: #fff;
    font-size: 26px;
    line-height: 56px;
    text-align: center;
    margin: 0 auto;
    margin-top: 43px;
    cursor: pointer;
}
.zhiyeqiehuan{
    width: 1200px;
    height: 466px;
    margin: 0 auto;
    margin-top: 40px;
    display: flex;
    justify-content: space-between;
}
.zhiyeqiehuan>.xuanzheke1 {
    width: 290px;
    height: 100%;
   
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.zhiyeqiehuan>.xuanzheke1>div{
    width: 100%;
    height: 72px;
    font-size: 20px;
    color:#fff;
    line-height: 72px;
    text-align: center;
    background-color:rgba(31, 34, 53,0.7);
    cursor: pointer;
}
.zhiyeqiehuan>.jieshao{
    width: 898px;
    height: 100%;
    background-color: #96f622;
}
.zhiyeqiehuan>.xuanzheke1>.lvkuai{
    font-size: 26px;
    font-weight: 800;
    background-image: url('../img/lvsekuang1.png');
    background-size: 100% 100%;
}
.jieshao>div{
    width: 100%;
    height: 100%;
    display: none;
    position: relative;
}
.jieshao>div>img{
    width: 100%;
    height: 100%;
}
.jieshao>.datuxianshi{
    display: block;
}
.jieshao>div>div{
  width: 420px;
  height: 85px;
  background-image: url('../img/wendenk.png');
  background-size: 100% 100%;
  font-size: 30px;
  font-weight:600;
  line-height: 85px;
  text-align: center;
  color:#fff;
  z-index: 99;
  position: absolute;
  bottom: 0;
  right: 0;
}
.jieshao>div>div>span{
    font-size: 20px;
    font-weight:400;
}
.classification{
    width: 1200px;
    height: 274px;
    margin: 0 auto;
    margin-top: 42px;
    display: flex;
    justify-content: space-between;
}
.classification>div{
    width: 288px;
    height: 100%;
   
}
.classification>div>img{
    width: 100%;
    height: 100%;
}
.skill_box {
    width: 1200px;
    height: 486px;
    margin: 0 auto;
    margin-top: 42px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.skill_box>.xuanzhe{
    width: 1130px;
    height: 60px;
    display: flex;
    justify-content: space-between;
}
.skill_box>.xuanzhe>div{
    width: 282px;
    height: 54px;
    border-radius: 28px 28px;
    border: 3px solid rgba(118, 201, 35,0.8);
    text-align: center;
    color: #7ff00c;
    font-size: 26px;
    font-weight: 400;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
   
}
.skill_box>.xuanzhe>div>p{
    line-height: 26px;
    padding-left: 4px;
}
.skill_box>.xuanzhe>div>span{
    font-size: 36px;
    color: #598f1f;
    font-weight: 1000px;
}
.skill_box>.xuanzhe>.bian{
    width: 288px;
    height: 60px;
    border: none;
    color: #fffef4;
    font-weight: 600;
    background-image: url(../img/lvsekuang1.png);
    background-size: 100% 100%;
}
.skill_box>.xuanzhe>.bian>span{
    color: #bdea97;
}
.leirongjies{
    width: 100%;
    height: 378px;
    background: #191e32;
}
.leirongjies>div{
    height: 100%;
    padding-left: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    display: none;

}
.leirongjies>.xianshichulaiba{
    display:flex;
}
.leirongjies .zuobian{
      width: 563px;
      height: 356px;
      overflow: hidden;
      overflow:auto ;
      direction: rtl;
      scrollbar-width: 10px;
}
.leirongjies .zuobian>div{
    direction: ltr;
    margin-left: 20px;
}
.leirongjies ::-webkit-scrollbar {
    width: 15px;
    padding-left: 10px;
    /* background-color: #7ff00c; */
    border-radius: 20px 20px 20px 20px;
    border: 1px solid #4f7927;


}
.leirongjies ::-webkit-scrollbar-thumb {
    /* box-shadow: inset #b7ee76; */
    width: 5px;
    background-color: #b7ee76;
   
    border-radius: 10px 10px 10px 10px;
}
.leirongjies .youbian{
    height: 100%;
    width: 50%;
}
.biaotip_box{
    font-size: 26px;
    height: 30px;
    line-height: 26px;
    color: #85db22;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.biaotip_box>img{
    width: 20px;
    height: 100%;
}
.text_p{
    font-size: 20px;
    color: #fffeff;
    line-height: 34px;
}
.expert_box{
    width: 1200px;
    height: 528px;
    background-image: url('../img/6_1.png');
    background-size: 100% 100%;
    margin: 0 auto;
    position: relative;
}
.expert_box>div{
    width: 485px;
    height: 347px;
    position: absolute;
    top: 138px;
    left: 110px;
}
.expert_box p{
    font-size: 34px;
    color: #7ff00c;
    font-weight: 800;
    margin-top: 0;
}
.expert_box .jiashaown{
    color: #fff;
    font-size: 22px;
    font-weight: 800px;
    padding: 0;
    margin-top: 20px;
}
.expert_box .jiashaown>span{
    font-size: 20px;
    font-weight: 600;
}
.zuopingji{
    width: 415px;
    height: 126px;
    margin-top: 20px;
    display: flex;
    justify-content: space-between;
}
.zuopingji>img{
    width: 91px;
}

.courseS .swiper-slide {
    width: 1000px !important;
}
.swiper-container>.swiper-button-prev{
    width: 46px;
    height: 90px;
    background-image: url('../img/jiantou2.png');
    background-size: 100% 100%;
    transform: rotate(180deg) ;
    position: absolute;
    top: 214px;
    left: -70px;
}
.swiper-container>.swiper-button-next{
    width: 46px;
    height: 90px;
    background-image: url('../img/jiantou2.png');
    background-size: 100% 100%;
    position: absolute;
    top: 214px;
    right:-70px;
   
}
.swiper-container>.swiper-button-prev::after{
        display: none;
}
.swiper-container>.swiper-button-next::after{
    display: none;
}
.tupianzhanshi{
    width: 100%;
    max-height:604px;
}
.gongsihezuo{
    max-width: 1300px;
    margin: 0 auto;
}
.gongsihezuo>img{
    width: 100%;
}