.back_btn {
    position: fixed;
    right: 15px;
    bottom: 30px;
    display: none;
    align-items: center;
    justify-content: center;
    width: 90px;
    height: 40px;
    background: rgba(255,255,255,.9);
    box-shadow: 0px 3px 7px 0px rgba(0, 0, 0, 0.35);
    border-radius: 30px;
    font-size: 18px;
    color: #7f19a0;
}

  
/*  手机等小屏幕手持设备*/
@media screen and (min-width: 320px) and (max-width: 767px) {
    .back_btn {
        display: flex;
    }
    .banner_img {
        margin-top: 55px;
        height: 0px;
    }
    .newFoot{
        height: 20px;
    }
    /* .mobile{
      display: block;
    }
    .home-content-icon-img{
      width: 100%;
    }
    body{
    overflow: hidden;    overflow-y: scroll;
  }*/
    .collapse {
        display: block;
        color: #999999;
    }
    .address{
        margin-top: -13px;
    }
    .moreb{
        cursor:pointer;
    }
    .comprehensive-width{
        width: 87%;
        margin: 0 auto;
        background: #ffffff;
        max-width: 1200px;
    }
    .flex-container {
        line-height: 24px;

    }
    .comprehensive-logo{
        width: 240px;
        height: 74px;
    }
    .active{
        color: #791a96;
    }
    .time-speed{
        width: 145px;
        box-shadow: 2px 2px 7px 1px #eeeeee;
        overflow: hidden;
        margin-top: 40px;
        padding: 14px;
    }
    .comprehensive-time{
        font-size: 30px;
    }
    .comprehensive-spacing div{
        line-height: 40px;
    }
    .comprehensive-spacing-icon{
        width: 7px;
        height: 7px;
        background: #791a96;
        border-radius: 82px;
        display: inline-flex;
        margin-right: 10px;
    }
    .comprehensive-spacing-time{
        position: relative;
        top: 2px;
    }
    .time-dot{
        width: 10px;height: 10px;background-color: #791a96;border-radius: 50px;
    }
    .time-strip{
        width: 2px;height: auto;background-color: #791a96;position: relative;left: 4px;
    }


    .home-careb{
        width: 1500px;
        margin:0 auto;
        overflow: hidden;
        padding: 75px 149px 56px 149px;
    }
    .home-brand{
        width: 140px;
        margin-top: 29px;
    }
    .home-branda{

    }
    .news-title{
        margin-top: 50px;
    }
    .news-list{
        cursor:pointer;
    }
    .news-list-img img{
        width: 100%;
    }

    .news-list-img{
        width: 217px;
        height: 145px;
        overflow: hidden;
    }
    .news-content-text{
        overflow: hidden;

    }
    .news-content-title{
        color: #791b97;
        font-size: 22px;
        margin-top: 0px;
    }
    .news-content-time{
        color: #666;
        margin-top: 12px;

    }
    .news-content-details{
        color: #666;
        　　overflow:hidden;

        text-overflow:ellipsis;

        display:-webkit-box;

        -webkit-box-orient:vertical;

        -webkit-line-clamp:2;
        height:44px;
        margin-top: 12px;
        white-space: initial;

    }
    .news-line{
        width: 100%;
        height: 2px;
        background-color: #eeeeee;
        margin-top: 20px;
        margin-bottom: 20px;
    }
    .news-content-understand{

    }
    .panel-default>.panel-heading{
        background-color: #ffffff;
        font-size: 14px;
        border-color:#ffffff;
    }
    .panel-title{
        font-size: 14px;
        padding: 8px 20px;
    }
    .panel-body{
        padding: 10px 30px;
    }
    a:hover{
        color: #791a96;
    }
    .panel{
        box-shadow: 0 0px 0px rgba(0,0,0,.05);
    }
    .page{
        overflow: hidden;
        width: 471px;
        margin: 0 auto;
        background-color:#ffffff;
    }
    .page ul{
        padding:0;
        min-width: 490px;

    }
    .page ul::after{
        content: '';
        display: block;
        clear: both;
    }
    .page ul li{
        float: left;
        width:auto;
        min-width:32px;
        height: 30px;
        line-height:30px;
        list-style: none;
    }
    .page a{
        color:#aaa;
        font-family: "微软雅黑";
        padding:0 10px;
        text-decoration: none;
        display: block;
        text-align: center;
        border: 1px solid #ccc;
        border-left: none;
    }
    .page ul li:first-child a{
        border-left: 1px solid #ccc;
    }

    .page ul li a:hover{
        background-color: #791a96;
    }
    .page ul li a:hover{
        color: white;
    }
    .page .disabled a:hover{
        background-color: white;
        cursor:not-allowed;
        color: #aaa;
    }
    .page .active a{
        background-color: #791a96;
        color: white;
    }
    .pageList{
        width: 100%;
        margin-top: 100px;
        margin-bottom: 100px;
    }
    .advertisement{
        width: 100%;
        margin-top: 35px;
    }
    .news-recommendation{
        width:100%;
        border: 1px solid #eeeeee;
        margin-top: 35px;
    }
    .news-recommendation-title{
        background: #791a96;
        color: #ffffff;
        height: 40px;
        line-height: 40px;
        padding-left: 10px;
    }
    .news-recommendation-content{

        padding-bottom: 0px;
        padding: 10px 19px 10px 19px;
    }
    .news-recommendation-list{
        border-bottom: 1px solid #eeeeee;padding-bottom: 10px;padding-top: 10px;cursor:pointer;margin-top: 10px;
        width: 100%;
    }
    .news-list-height{
        height: 1152px;
    }
    .gray{
        width: 5px;
        height: 5px;
        background-color: #eeeeee;
        border-radius: 50px;
        display: inline-flex;
        margin-right: 5px;
        margin-left: 5px;
    }
    .news-right{

    }
    .news-details-title{
        font-size: 28px;
        color: #191919;
        text-align: center;
    }
    .news-details-time{
        text-align: center;
        color: #999999;
        font-size: 14px;
        margin-top: 25px;
        margin-bottom: 25px;
    }
    .news-count{
        padding-left: 30px;
        padding-right: 30px;
    }
    .news-details-abstract{
        padding: 19px 21px;
        background: #f7f7f7;
        margin-bottom: 25px;
    }
    .news-details-content{
        font-size: 16px;
        line-height: 1.8;
    }
    .flex-container {
        display: flex;
        justify-content: space-between;
    }
    .flex-container > a {
        width: 45%;
    }
    .news-pre {
        flex: 1;
        border: 1px solid #aaaaaa;
        padding: 6px 10px;
        overflow: hidden;
        white-space: nowrap;
        text-overflow: ellipsis;
        margin-bottom: 14px;
    }
    .news-next {
        flex: 1;
        margin-left: 20px;
        border: 1px solid #aaaaaa;
        padding: 6px 10px;
        overflow: hidden;
        white-space: nowrap;
        text-overflow: ellipsis;
        margin-bottom: 14px;
    }
    .news-details-content p{
        text-align: left;
    }
    .news-details-content img{
        width:100%;
    }
    a{ text-decoration:none;color: #999;}
    .seniorleadership-title {
        color: #791a96;
        font-size: 26px;
        font-weight: 700;
        margin-top: 76px;
    }
    .seniorleadership-English-title {
        color: #333333;
        font-size: 26px;
        opacity: 0.09;
        position: relative;
        top: -10px;
        margin-bottom: 15px;
    }

    .whole-crumbs {
        display: none;
    }
    .news-details-abstract {
        display: none;
    }
    .news-details-title {
        font-size: 20px;
        font-weight: bold;
    }

    .news-right {
        display: none;
    }

}
/*  //平板*/
@media screen  and (min-width: 768px) and (max-width: 1024px) {
    .back_btn {
        display: flex;
    }
    .collapse {
        display: block;
        color: #999999;
    }
    .address{
        margin-top: -13px;
    }
    .moreb{
        cursor:pointer;
    }
    .comprehensive-width{
        width: 87%;
        margin: 0 auto;
        background: #ffffff;
        max-width: 1240px;
    }
    .flex-container {
        display: -webkit-flex;
        display: flex;
        -webkit-justify-content: space-between;
        justify-content: space-between;

    }
    .comprehensive-logo{
        width: 240px;
        height: 74px;
    }
    .active{
        color: #791a96;
    }
    .time-speed{
        width: 145px;
        box-shadow: 2px 2px 7px 1px #eeeeee;
        overflow: hidden;
        margin-top: 40px;
        padding: 14px;
    }
    .comprehensive-time{
        font-size: 30px;
    }
    .comprehensive-spacing div{
        line-height: 40px;
    }
    .comprehensive-spacing-icon{
        width: 7px;
        height: 7px;
        background: #791a96;
        border-radius: 82px;
        display: inline-flex;
        margin-right: 10px;
    }
    .comprehensive-spacing-time{
        position: relative;
        top: 2px;
    }
    .time-dot{
        width: 10px;height: 10px;background-color: #791a96;border-radius: 50px;
    }
    .time-strip{
        width: 2px;height: auto;background-color: #791a96;position: relative;left: 4px;
    }


    .home-careb{
        width: 1500px;
        margin:0 auto;
        overflow: hidden;
        padding: 75px 149px 56px 149px;
    }
    .home-brand{
        width: 140px;
        margin-top: 29px;
    }
    .home-branda{

    }
    .news-title{
        margin-top: 50px;
    }
    .news-list{
        cursor:pointer;
    }
    .news-list-img img{
        width: 100%;
    }

    .news-list-img{
        width: 217px;
        height: 145px;
        overflow: hidden;
    }
    .news-content-text{
        overflow: hidden;

    }
    .news-content-title{
        color: #791b97;
        font-size: 22px;
        margin-top: 0px;
    }
    .news-content-time{
        color: #666;
        margin-top: 12px;

    }
    .news-content-details{
        color: #666;
        　　overflow:hidden;

        text-overflow:ellipsis;

        display:-webkit-box;

        -webkit-box-orient:vertical;

        -webkit-line-clamp:2;
        height:44px;
        margin-top: 12px;
        white-space: initial;

    }
    .news-line{
        width: 100%;
        height: 2px;
        background-color: #eeeeee;
        margin-top: 20px;
        margin-bottom: 20px;
    }
    .news-content-understand{

    }
    .panel-default>.panel-heading{
        background-color: #ffffff;
        font-size: 14px;
        border-color:#ffffff;
    }
    .panel-title{
        font-size: 14px;
        padding: 8px 20px;
    }
    .panel-body{
        padding: 10px 24px;
    }
    a:hover{
        color: #791a96;
    }
    .panel{
        box-shadow: 0 0px 0px rgba(0,0,0,.05);
    }
    .page{
        overflow: hidden;
        width: 471px;
        margin: 0 auto;
        background-color:#ffffff;
    }
    .page ul{
        padding:0;
        min-width: 490px;

    }
    .page ul::after{
        content: '';
        display: block;
        clear: both;
    }
    .page ul li{
        float: left;
        width:auto;
        min-width:32px;
        height: 30px;
        line-height:30px;
        list-style: none;
    }
    .page a{
        color:#aaa;
        font-family: "微软雅黑";
        padding:0 10px;
        text-decoration: none;
        display: block;
        text-align: center;
        border: 1px solid #ccc;
        border-left: none;
    }
    .page ul li:first-child a{
        border-left: 1px solid #ccc;
    }

    .page ul li a:hover{
        background-color: #791a96;
    }
    .page ul li a:hover{
        color: white;
    }
    .page .disabled a:hover{
        background-color: white;
        cursor:not-allowed;
        color: #aaa;
    }
    .page .active a{
        background-color: #791a96;
        color: white;
    }
    .pageList{
        width: 100%;
        margin-top: 100px;
        margin-bottom: 100px;
    }
    .advertisement{
        width: 100%;
        margin-top: 35px;
        height: 100%;
    }
    .news-recommendation{
        width:100%;
        border: 1px solid #eeeeee;
        margin-top: 35px;
    }
    .news-recommendation-title{
        background: #791a96;
        color: #ffffff;
        height: 40px;
        line-height: 40px;
        padding-left: 10px;
    }
    .news-recommendation-content{

        padding-bottom: 0px;
        padding: 10px 19px 10px 19px;
    }
    .news-recommendation-list{
        border-bottom: 1px solid #eeeeee;padding-bottom: 10px;padding-top: 10px;cursor:pointer;
        width: 100%;
    }
    .news-list-height{
        height: 1152px;
    }
    .gray{
        width: 5px;
        height: 5px;
        background-color: #eeeeee;
        border-radius: 50px;
        display: inline-flex;
        margin-right: 5px;
        margin-left: 5px;
    }
    .news-right{

    }
    .news-details-title{
        font-size: 28px;
        font-weight: bold;
        color: #191919;
        text-align: center;
    }
    .news-details-time{
        text-align: center;
        color: #999999;
        font-size: 14px;
        margin-top: 25px;
        margin-bottom: 25px;
    }
    .news-count{
        padding-left: 30px;
        padding-right: 30px;
    }
    .news-details-abstract{
        padding: 19px 21px;
        background: #f7f7f7;
        margin-bottom: 25px;
    }
    .news-details-content{
        font-size: 16px;
        line-height: 1.8;
    }
    .flex-container {
        display: -webkit-flex;
        display: flex;
        -webkit-justify-content: space-between;
        justify-content: space-between;
    }
    .news-pre{
        border: 1px solid #aaaaaa;
        padding: 10px 20px;
        max-width: 380px;
        overflow: hidden;
        white-space: nowrap;
        text-overflow: ellipsis;
    }
    .news-next{
        border: 1px solid #aaaaaa;
        padding: 10px 20px;
        max-width: 380px;
        overflow: hidden;
        white-space: nowrap;
        text-overflow: ellipsis;
    }
    .news-details-content p{
        line-height: 27px;
    }
    .news-details-content img{
        width:100%;
    }
    a{ text-decoration:none;color: #999;    display: inline-flex;}
    .seniorleadership-title {
        color: #791a96;
        font-size: 40px;
        font-weight: 700;
        margin-top: 35px;
    }
    .seniorleadership-English-title {
        color: #333333;
        font-size: 40px;
        opacity: 0.09;
        position: relative;
        top: -10px;
        margin-bottom: 15px;
    }
    .newFoot{
        height: 100px;
    }

    .whole-crumbs {
        display: none;
    }
    .news-details-abstract {
        display: none;
    }
    .news-details-title {
        font-size: 24px;
    }
    .news-right {
        display: none;
    }
}

@media screen  and (min-width: 1024px) {

    .collapse {
        display: block;
        color: #999999;
    }
 .address{
      margin-top: -13px;
 }
 .moreb{
  cursor:pointer;
 }
 .comprehensive-width{
     width: 87%;
  margin: 0 auto;
  background: #ffffff;
     max-width: 1240px;
 }
.flex-container {
    display: -webkit-flex;
    display: flex;
    -webkit-justify-content: space-between;
    justify-content: space-between;

}
.comprehensive-logo{
  width: 240px;
  height: 74px;
}
.active{
  color: #791a96;
}
.time-speed{
      width: 145px;
   box-shadow: 2px 2px 7px 1px #eeeeee;
    overflow: hidden;
    margin-top: 40px;
    padding: 14px;
}
.comprehensive-time{
  font-size: 30px;
}
.comprehensive-spacing div{
  line-height: 40px;
}
.comprehensive-spacing-icon{
      width: 7px;
    height: 7px;
    background: #791a96;
    border-radius: 82px;
    display: inline-flex;
    margin-right: 10px;
}
.comprehensive-spacing-time{
  position: relative;
  top: 2px;
}
.time-dot{
  width: 10px;height: 10px;background-color: #791a96;border-radius: 50px;
}
.time-strip{
  width: 2px;height: auto;background-color: #791a96;position: relative;left: 4px;
}


 .home-careb{
    width: 1500px;
    margin:0 auto;
    overflow: hidden;
    padding: 75px 149px 56px 149px;
 }
 .home-brand{
  width: 140px;
      margin-top: 29px;
 }
  .home-branda{

 }
 .news-title{
  margin-top: 50px;
 }
 .news-list{
    cursor:pointer;
 }
 .news-list-img img{
   width: 100%;
 }

 .news-list-img{
  width: 217px;
      height: 145px;
    overflow: hidden;
 }
 .news-content-text{
overflow: hidden;

 }
 .news-content-title{
  color: #791b97;
  font-size: 22px;
  margin-top: 0px;
 }
 .news-content-time{
  color: #666;
      margin-top: 12px;

 }
 .news-content-details{
color: #666;
　　overflow:hidden; 

text-overflow:ellipsis;

display:-webkit-box; 

-webkit-box-orient:vertical;

-webkit-line-clamp:2; 
    height:44px;
    margin-top: 12px;
    white-space: initial;

 }
 .news-line{
  width: 100%;
  height: 2px;
  background-color: #eeeeee;
      margin-top: 20px;
    margin-bottom: 20px;
 }
 .news-content-understand{

 }
 .panel-default>.panel-heading{
  background-color: #ffffff;
  font-size: 14px;
  border-color:#ffffff;
 }
 .panel-title{
  font-size: 14px;
      padding: 8px 20px;
 }
 .panel-body{
      padding: 10px 24px;
 }
 a:hover{
  color: #791a96;
 }
.panel{
      box-shadow: 0 0px 0px rgba(0,0,0,.05);
}
.page{
           overflow: hidden;
    width: 471px; 
        margin: 0 auto;
        background-color:#ffffff;
      }
      .page ul{
        padding:0;
        min-width: 490px;

      }
      .page ul::after{
        content: '';
        display: block;
        clear: both;
      }
      .page ul li{
        float: left;
        width:auto;
        min-width:32px;
        height: 30px;
        line-height:30px;
        list-style: none;
      }
      .page a{
        color:#aaa;
        font-family: "微软雅黑";
        padding:0 10px;
        text-decoration: none;
        display: block;
        text-align: center;
        border: 1px solid #ccc;
        border-left: none;
      }
      .page ul li:first-child a{
        border-left: 1px solid #ccc;
      }
      
      .page ul li a:hover{
        background-color: #791a96;
      }
      .page ul li a:hover{
        color: white;
      }
      .page .disabled a:hover{
        background-color: white;
        cursor:not-allowed;
        color: #aaa;
      }
      .page .active a{
        background-color: #791a96;
        color: white;
      }
      .pageList{
        width: 100%;
        margin-top: 100px;
    margin-bottom: 100px;
      }
      .advertisement{
        width: 100%;
        margin-top: 35px;
          height: 100%;
      }
      .news-recommendation{
        width:100%;
        border: 1px solid #eeeeee;
        margin-top: 35px;
      }
      .news-recommendation-title{
        background: #791a96;
        color: #ffffff;
        height: 40px;
        line-height: 40px;
        padding-left: 10px;
      }
      .news-recommendation-content{
        
        padding-bottom: 0px;
        padding: 10px 19px 10px 19px;
      }
      .news-recommendation-list{
        border-bottom: 1px solid #eeeeee;padding-bottom: 10px;padding-top: 10px;cursor:pointer;
          width: 100%;
      }
      .news-list-height{
        height: 1152px;
      }
      .gray{
            width: 5px;
        height: 5px;
        background-color: #eeeeee;
        border-radius: 50px;
        display: inline-flex;
        margin-right: 5px;
        margin-left: 5px;
      }
      .news-right{
        width: 30%;
      }
      .news-details-title{
        font-size: 28px;
          font-weight: bold;
        color: #191919;
        text-align: center;
      }
      .news-details-time{
        text-align: center;
        color: #999999;
        font-size: 14px;
            margin-top: 25px;
    margin-bottom: 25px;
      }
      .news-count{
        padding-left: 30px;
        padding-right: 30px;
      }
      .news-details-abstract{
    padding: 19px 21px;
    background: #f7f7f7;
    margin-bottom: 25px;
      }
      .news-details-content{

      }
      .flex-container {
        display: -webkit-flex;
        display: flex;
        -webkit-justify-content: space-between;
        justify-content: space-between;
      }
      .news-pre {
        flex: 1;
        border: 1px solid #aaaaaa;
        padding: 10px 20px;
        max-width: 380px;
        overflow: hidden;
        white-space: nowrap;
        text-overflow: ellipsis;
      }
      .news-next{
        flex: 1;
        border: 1px solid #aaaaaa;
        padding: 10px 20px;
        max-width: 380px;
        overflow: hidden;
        white-space: nowrap;
        text-overflow: ellipsis;
      }
    .news-details-content p{
        line-height: 27px;
    }
    .news-details-content img{
        width:100%;
    }
    a{ text-decoration:none;color: #999;    display: inline-flex;}
    .seniorleadership-title {
        color: #791a96;
        font-size: 40px;
        font-weight: 700;
        margin-top: 35px;
    }
    .seniorleadership-English-title {
        color: #333333;
        font-size: 40px;
        opacity: 0.09;
        position: relative;
        top: -10px;
        margin-bottom: 15px;
    }
    .newFoot{
        height: 150px;
    }


}
.news-count img{
    position: relative;
    top: -1px;
    width: 18px;
    height: 13px;
}