.pdb-50 {
  padding-top: 50px;
}

.banner {
  height: 400px;
}

.banner .item .des {
  margin-top: -250px;
}


.banner .item .des div {
  display: none;
}
.sys-w { padding: 50px 0; }
.sys-w h2 { color: #333;font-size: 30px;font-weight: 500;text-align: center; }
.sys {display: flex;justify-content: space-between;margin-top: 60px;}
.sys .item {flex: 1;text-align: center;}
.sys .item .headimg {width: 124px; height: 124px;margin: 0 auto;}
.sys .item .headimg img {width: 100%; height: 100%;}
.sys .item .title {font-size: 22px;font-weight: 400;color: #333333;line-height: 30px;margin: 40px 0 32px;}
.sys .item .des {width: 284px;font-size: 14px;font-weight: 400;color: #999999;line-height: 20px;margin: 0 auto;}

.connect {height: 600px;background: url(../../images/product/yx_school_icon1.jpg) no-repeat;background-size: cover;background-position: 50%;padding-top: 50px;}
.connect h2 {font-size: 32px;font-weight: 500;color: #FFFFFF;line-height: 45px;margin-bottom: 50px;text-align: center;}
.connect .mgt-10 {height: 400px; background-color: #fff; display: flex;justify-content: space-between;align-items: center;}
.connect .item {height: 100%; flex: 1;display: flex;flex-direction: column;justify-content: center;align-items: center;box-sizing: border-box;cursor: pointer;}
.connect .item:hover {background-color: #F8F8F9;}
.connect .item:nth-child(2) {border-left: 1px solid #eee; border-right: 1px solid #eee;}
.connect .item .pic {width: 124px;height: 124px;}
.connect .item .pic img {width: 100%;height: 100%;}
.connect .item .title {	font-size: 22px;font-weight: 400;color: #333333;line-height: 30px;margin: 48px 0 20px}
.connect .item .underline {width: 20px;height: 1px;background-color: #333;}
.connect .item .des {font-size: 14px;;font-weight: 400;color: #999999;line-height: 20px;margin-top: 32px;}


.service-tab {display: flex; justify-content: space-between; border-bottom: 1px solid #eee;padding-top: 30px;}
.service-tab .item {flex-grow: 1;text-align: center;font-size: 22px;font-weight: 500;line-height: 30px;cursor: pointer;}
.tab-active span {color:#40A0CA}
.tab-underline {width: 30px;height: 2px;background-color: #40A0CA;margin: 0 auto;margin-top: 20px; opacity: 0;}
.underline-active {width: 30px;height: 2px;background-color: #40A0CA;margin: 0 auto;margin-top: 20px; opacity: 1;}
.service-des .item {display: none;position: relative;}
.service-des .item img:first-child {width: 25px; height: 45px;cursor: pointer;position: absolute;top: 280px;left: 0;}
.service-des .item img:nth-child(2) {width: 90%;margin: 0 5%; height: 100%;}
.service-des .item img:last-child {width: 25px; height: 45px;cursor: pointer;position: absolute;top: 280px;right: 0;}
.item-show {display: block !important;}


.users-w { padding: 50px 0; background-color: #efefef;}
.users-w h2 { font-size: 30px;color: #333;line-height: 45px;font-weight: 500;text-align: center;}
.users {display: flex;flex-wrap: wrap;justify-content: space-between;margin-top: 20px}
.users .item {width: 49%;background-color: #fff;margin-top: 2%;display: flex;justify-content: center;padding: 20px;box-sizing: border-box;}
.users .item img {width: 130px;height: 130px;flex-shrink: 0;}
.users .item .title {margin-left: 34px;font-size: 14px;font-weight: 400;color: #333;line-height: 26px;flex-grow: 1;}

.streamer {
  height: 250px;
  background: url(../../images/product/yq_erp_icon2.jpg) center center no-repeat;
  text-align: center;
  background-size: cover;
}

.streamer h6 {
  font-size: 30px;
  color: #fff;
  font-weight: 400;
  line-height: 42px;
  padding: 58px 0 12px;
}

.streamer p {
  font-size: 16px;
  color: #fff;
  font-weight: 400;
  line-height: 22px;
  margin-bottom: 36px;
}

.streamer a {
  display: inline-block;
  width: 150px;
  height: 44px;
  line-height: 44px;
  border-radius: 22px;
  font-size: 16px;
  color: #2892EB;
  background-color: #fff;
}


@media screen and (max-width: 768px) {
  .banner {
    height: 360px;
  }

  .sys .item {
    width: 33%;
  }

  .sys .item .des {
    width: 90%;
  }

  .connect .item .des {
    padding: 0 16px;
    text-align: center;
  }

  .service-tab .item span {
    font-size: 20px;
  }

  .service-des .item img:first-child,
  .service-des .item img:last-child {
    top: 140px;
  }

  .users .item {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
  }

  .news {
    padding-top: 50px;
  }
}

.cooperation {
    padding: 80px 0 120px;
}

.cooperation .title {
  text-align: center;
  font-size: 34px;
  color: #333;
}

.cooperation .content {
  flex-wrap: wrap;
  margin-top: 75px;
}

.cooperation .content .on {
  background-color: #f8f8f8;
  ;
}

.cooperation .content .item {
  width: 200px;
  height: 150px;
}

.cooperation .content .item:hover {
  z-index: 10;
  -webkit-box-shadow: 0 8px 22px 0 rgba(42, 117, 237, .16);
  box-shadow: 0 8px 22px 0 rgba(42, 117, 237, .16)
}

  .news .title {
    text-align: center;
    font-size: 34px;
    color: #333;
  }

  .news .content {
    padding: 40px 0 60px;
  }

  .news .content .item {
    width: 32%;
    height: 345px;
    box-shadow: 0 0px 14px 0 rgb(48 64 79 / 10%);
  }

  .news .content .item .img {
    width: 100%;
    position: relative;
    z-index: 1;
  }

  .news .content .item .img img {
    width: 100%;
  }

  .news .content .item .img .mark {
    height: 30px;
    line-height: 30px;
    position: absolute;
    bottom: 2px;
    white-space: nowrap;
    width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    background-color: rgba(0, 0, 0, .5);
    color: #fff;
    box-sizing: border-box;
    padding: 0 20px;
  }

  .news .content .item .des {
    position: relative;
    z-index: 2;
    margin-top: -33px;
  }

  .news .content .item .des .li {
    height: 30px;
    line-height: 30px;
    padding-right: 10px;
  }

  .news .content .item .des .li:first-child {
    background-color: rgba(0, 0, 0, .5);
  }

  .news .content .item .des .li:first-child .lft {
    color: #fff;
  }

  .news .content .item .des .li:first-child .rgh {
    color: #fff;
  }

  .news .content .item .des .li:hover .lft {
    color: #40A0CA;
  }

  .news .content .item .des .li:hover .rgh {
    color: #40A0CA;
  }

  .news .content .item .des .li .lft {
    width: 120px;
    text-indent: 7px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    text-align: left;
    font-size: 14px;
  }

  .news .content .item .des .li .rgh {
    width: 75px;
    text-align: left;
    overflow: hidden;
    white-space: nowrap;
    color: #666;
    font-size: 14px;
  }