@media (min-width:750px) {
  .nandu {
    display: flex;
  }

  html,
  body {
    height: 100%;
  }

  .short_big {
    padding-top: 68px;
  }

  .zhuanye {
    display: flex;
  }

  .short_big .menu_top .menu {
    margin: 0 auto;
    width: 1500px;
  }

  @media screen and (max-width: 1440px) {
    .short_big .menu_top .menu {
      width: 1200px;
    }
  }

  .menu .menu_class .class_title {
    color: #333333;
    font-size: 16px;
    font-weight: 700;
    margin-right: 15px;
    width: 55px;
  }

  .menu .menu_class .class_box {
    display: flex;
    flex-wrap: wrap;
  }

  .menu .menu_class .class_item {
    line-height: 23px;
    margin-right: 30px;
    font-size: 16px;
    color: #666666;
    /* width: 44px; */
    height: 26px;
    text-align: center;
    border-radius: 6px 6px 6px 6px;
    cursor: pointer;
    padding: 0 6px;
    margin-bottom: 10px;
  }

  .menu .menu_class .hlight {
    color: #1669E5;
    background: #DBE6F5;
  }

  .menu .menu_class {
    padding-top: 32px;
    display: flex;
  }

  .menu_top .menu .menu_title {
    color: #333333;
    font-size: 30px;
    font-weight: 700;
    margin: 0 10px;
  }

  .menu_top .menu .one_menu {
    display: flex;
    padding-top: 30px;
  }

  .menu_top .menu .one_menu .content {
    margin-top: 18px;
    font-size: 16px;
    color: #999999;
  }

  .menu .line {
    height: 1px;
    background: #CCCCCC;
    margin: 22px 0;
  }

  .menu .tab_box {
    display: flex;
  }

  .menu .tab_box .tab {
    margin-right: 30px;
    font-size: 16px;
    color: #666666;
    height: 28px;
    cursor: pointer;
  }

  .menu .tab_box .hlight {
    border-bottom: 2px solid #1669E5;

  }

  .short_big .menu_top {

    /* height: 345px; */
    background: #F2F4F6;
    padding-bottom: 10px;
  }

  .main {
    padding-top: 32px;
  }

  .nolistcss {
    width: 100%;
    font-size: 20px;
    text-align: center;
    padding-top: 10px;
    padding-bottom: 30px;
  }

  .main .main_center {
    margin: 0 auto;
    width: 1500px;
    min-height: 250px;
  }

  @media screen and (max-width: 1440px) {
    .main .main_center {
      width: 1200px;
    }

  }


  .main .tabbar {
    display: flex;
    align-items: center;
    padding-bottom: 35px;
  }

  .main .tabbar .all {
    font-size: 26px;
    color: #222222;
    font-weight: bold;
    padding-left: 5px;
    padding-bottom: 3px;
  }

  .main .tabbar {
    display: flex;
    justify-content: space-between;
  }

  .main .tabbar .tabImage {
    background: #1669E5;
    width: 6px;
    height: 24px;
    display: flex;

  }

  .main .tabbar .left_box {
    display: flex;
    align-items: center;

  }

  .pricesfree {
    font-family: PingFang SC, PingFang SC;
    font-weight: 400;
    font-size: 14px;
    color: #1669E5;
  }

  .main .tabbar .change_all {
    display: flex;
  }

  .main .tabbar .change_all .left_box {
    cursor: pointer;
    width: 25px;
    height: 20px;
    background: #F2F4F6;
    border-radius: 12px 0px 0px 12px;
    display: flex;
    justify-content: center;
    align-items: center;
  }

  .main .tabbar .change_all .number {
    margin-right: 10px;
    font-size: 18px;
    color: #999999;
  }

  .main .tabbar .change_all .right_box {
    cursor: pointer;
    width: 25px;
    height: 20px;
    background: #F2F4F6;
    border-radius: 0px 12px 12px 0px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-left: 3px;
  }

  .main .tabbar .tab_item {
    color: #999999;
    font-size: 18px;
    margin-left: 23px;
    cursor: pointer;
    height: 30px;
  }

  .main .tabbar .hlight {
    border-bottom: 2px solid #1669E5;
  }
}

.short_video {
  display: flex;
  flex-wrap: wrap;
}

.short_video .short_video_item {
  width: 360px;
  height: 335px;
  margin: 0 20px 20px 0;
  border-radius: 6px 6px 6px 6px;
  box-shadow: 3px 3px 9px -4px;
  cursor: pointer;
  overflow: hidden;
  border: 1px solid #cdcecf;
}

@media screen and (min-width: 1520px) {
  .short_video>div:nth-child(4n) {
    margin-right: 0;
  }
}

.short_video .short_video_item .short_video_item_img .black_box {
  /* width: 45px; */
  height: 18px;
  background: #484848;
  color: #FFFFFF;
  font-size: 11px;
  text-align: center;
  line-height: 18px;
  position: absolute;
  right: 10px;
  bottom: 14px;
  padding: 0px 5px;
}

.short_video .short_video_item .short_video_item_img {
  height: 205px;
  background-image: url('../images/shortVideo/video.png');
  background-repeat: no-repeat;
  position: relative;
  background-size: cover;
  /* 确保图片覆盖整个元素 */
  background-position: center;
  /* 将图片居中显示 */

}

.short_video .short_video_item .short_video_item_img img {
  position: absolute;
  right: 10px;
  /* bottom: 40px; */
  bottom: -114px;
  cursor: pointer;
  z-index: 15px;
}

.short_video .short_video_item .short_video_item_text {
  padding: 10px;
  font-size: 16px;
  color: #666666;
}

.short_video .short_video_item .short_video_item_text {
  padding: 10px;
  font-size: 16px;
  color: #666666;
}

.short_video .short_video_item .short_video_item_text {
  padding: 10px;
  width: 360px;
  height: 64px;
  white-space: normal;
  /* 允许换行 */
  overflow-wrap: break-word;
  /* 允许在单词内换行 */
  word-wrap: break-word;
  font-family: PingFang SC, PingFang SC;
  font-weight: 400;
  font-size: 16px;
  color: #666666;
}

.short_video .short_video_item .middle {
  display: flex;
  padding: 0 10px;
  padding-bottom: 8px;
}

.short_video .short_video_item .middle div {
  color: #9D9D9D;

}

.short_video .short_video_item .middle .middle_count {
  padding-right: 4px;
}

.short_video .short_video_item .middle .middle_l {
  padding-right: 4px;
}

.short_video .short_video_item .tabs {
  display: flex;
  color: #FFFFFF;
  font-size: 11px;
  padding: 0 10px;

}

.short_video .short_video_item .tabs .tabs_item {
  /* width: 45px; */
  height: 18px;
  background: #1669E5;
  border-radius: 2px 2px 2px 2px;
  text-align: center;
  line-height: 14px;
  margin-right: 5px;
  padding: 2px 4px;
}

.main_center #test1 {
  /* width: 214px; */
  text-align: center;
  margin: 30px auto 60px;
}

.main_center #test1 .layui-laypage-em {
  background-color: #1669E5;
}
@media (max-width: 768px) {
  .short_big .menu_top {
    width: 100%;
    /* height: 2.57rem; */
    min-height: 2.15rem;
    background: #F2F4F6;
}
.short_big .menu_top .menu {
  margin: 0 auto;
  width: 93%;
}
.menu_top .menu .one_menu {
  display: flex;
  padding-top: .6rem;
  align-items: center;
  width: 45%;
  justify-content: space-between;
}
.menu_top .menu .menu_title {
  color: #333333;
  font-size: 0.13rem;
  font-weight: 700;
}
.menu_top .menu .one_menu .content {
  font-size: 0.1rem;
  color: #999999;
}
.one_menu img{
  width: 0.3rem;
  height: 0.3rem;
}
.menu .menu_class {
  padding-top: 0.06rem;
  display: flex;
}
.zhuanye {
  display: flex;
  justify-content: space-between;
  color: #666666;
  font-size: 0.13rem;
  flex-wrap: wrap;

}
.zhuanye>div{
  margin-right: 0.05rem;
  padding: 0 0.05rem;
  
}
.menu .menu_class .hlight {
  color: #1669E5 !important;
  background: #DBE6F5;
  padding: 0 0.05rem;
}
.menu .menu_class .class_box {
  display: flex;
  flex-wrap: wrap;
  width: 88%;
  font-size: 0.13rem;

}
.menu .menu_class .class_box .class_item {
  line-height: 0.2rem;;
  margin-right: 0.05rem;
  color: #666666;
  height: 0.2rem;
  text-align: center;
  border-radius: 6px 6px 6px 6px;
  cursor: pointer;
  padding: 0 0.05rem;
}
.menu .line {
  height: 1px;
  background: #CCCCCC;
  margin: 0.12rem 0 0.09rem;
}
.menu .menu_class .class_title {
  color: #333333;
  font-size: 0.13rem;
  font-weight: 700;
  /* margin-right: 15px; */
  width: 0.41rem;
}
.nandu {
  display: flex;

}
.nandu>div{
  margin-right: 0.1rem;
  font-family: PingFang SC, PingFang SC;
font-weight: 400;
font-size: 0.13rem;
color: #666666;
text-align: center;
padding: 0 0.05rem;

}
.menu .tab_box {
  display: flex;
  padding-bottom: 0.12rem;
}
.menu .tab_box .tab {
  margin-right: 0.1rem;
  font-size: 16px;
  color: #666666;
  height:0.2rem;
  cursor: pointer;
  font-family: PingFang SC, PingFang SC;
font-weight: 400;
font-size: 0.13rem;
}
.menu .tab_box .hlight {
  border-bottom: 2px solid #1669E5;
  color: #1669E5;
}
.main {
  padding-top: 0.18rem;
}
.main .main_center {
  margin: 0 auto;
  width: 94%;
  min-height: 250px;
}
.main .tabbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
        padding-bottom: 0.12rem;
}
.main .tabbar .left_box {
  display: flex;
  align-items: center;
}
.main .tabbar .tabImage {
  background: #1669E5;
  width: 0.04rem;
  height: 0.19rem;
  display: flex;
}
.main .tabbar .all {
  font-family: 汉仪超粗黑简, 汉仪超粗黑简;
  font-weight: 400;
  font-size: 0.15rem;
  color: #000000;
  padding-left: 0.06rem;
}
.main .tabbar .tab_item {
  font-family: PingFang SC, PingFang SC;
font-weight: 400;
font-size: 0.13rem;
color: #999999;
  margin-left: 0.08rem;
  cursor: pointer;
  height: 0.2rem;
  padding-bottom: 0.04rem;
  padding-top: 0.01rem;
}
.main .tabbar .hlight {
  border-bottom: 2px solid #1669E5;
  color: #000000;
}
.main .tabbar .change_all {
  display: flex;
}
.main .tabbar .change_all .number {
  margin-right: 0.08rem;
  font-family: PingFang SC, PingFang SC;
font-weight: 400;
font-size: 0.13rem;
color: #999999;
}
.main .tabbar .change_all .left_box {
  cursor: pointer;
  width: 0.3rem;
  height: 0.2rem;
  background: #F2F4F6;
  border-radius: 0.1rem 0px 0px 0.1rem;
  display: flex;
  justify-content: center;
  align-items: center;
}
.main .tabbar .change_all .right_box {
  cursor: pointer;
  width: 0.3rem;
  height: 0.2rem;
  background: #F2F4F6;
  border-radius: 0px 0.1rem 0.1rem 0px;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-left: 3px;
}
.change_all img{
  width: 0.07rem;
}
.short_video {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}
.short_video .short_video_item {
  width: 1.94rem;
  height: 1.9rem;
  margin:0 0 0.12rem;
  border-radius: 6px 6px 6px 6px;
  box-shadow: 3px 3px 9px -4px;
  cursor: pointer;
  overflow: hidden;
}
.short_video .short_video_item .short_video_item_img {
  height: 1.11rem;
  background-image: url(../images/shortVideo/video.png);
  background-repeat: no-repeat;
  position: relative;
  background-size: cover;
  background-position: center;
}
.short_video .short_video_item .short_video_item_text {
  width: 1.94rem;
  height: 0.19rem;
  font-family: PingFang SC, PingFang SC;
font-weight: 400;
font-size: 0.13rem;
color: #333333;
overflow: hidden;
padding: 0 0.05rem;
margin: 0.05rem auto;
}
.short_video .short_video_item .middle {
  display: flex;
  padding: 0 0.05rem;
  font-family: PingFang SC, PingFang SC;
font-weight: 400;
font-size: 0.1rem;
color: #9D9D9D;
}
.short_video .short_video_item .middle div {
  color: #9D9D9D;
}
.short_video .short_video_item .tabs {
  display: flex;
  color: #FFFFFF;
  font-size: 11px;
  padding: 0 0.05rem;
  margin-top: 0.05rem;
}
.pricesfree {
  font-family: PingFang SC, PingFang SC;
  font-weight: 400;
  font-size: 0.15rem;
  color: #1669E5;
}
.short_video .short_video_item .short_video_item_img .black_box {
  /* width: 0.28rem; */
  height: 0.14rem;
  background: #484848;
  font-family: PingFang SC, PingFang SC;
  font-weight: 400;
  font-size: 0.07rem;
  color: #FFFFFF;
  text-align: center;
  line-height: 0.14rem;
  position: absolute;
  right: 0.05rem;
  bottom: 0.05rem;
  padding: 0.01rem 0.02rem;
}
.short_video .short_video_item .short_video_item_img img {
  position: absolute;
  right: 0.07rem;
  bottom: -0.65rem;
  cursor: pointer;
  width: 0.24rem;
}
.main_center #test1 {
  width: 100%;
  margin: 0.3rem auto 0.35rem;
  text-align: center;
}


}