.dis-f {
  display: flex;
  align-items: center;
  justify-content: flex-start;
}

.dis-b {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.dis-c {
  display: flex;
  align-items: center;
  justify-content: center;
}
.top_nav {
  width: 100%;
  background-color: #ffffff;
  height: 70px;
  margin-top: 4px;
  border-bottom: 1px solid #ff234d;
}

.top_nav.active {
  position: fixed;
  top: -4px;
  z-index: 10;
  min-width: 1500px;
}

.top_nav .content {
  width: 1200px;
  margin: 0 auto;
  height: 100%;
  flex-wrap: wrap;
}

.top_nav .top {
  width: 100%;
}

.top_nav .img {
  margin-right: 13px;
  position: relative;
  cursor: pointer;
}

.top_nav .xcx_box {
  position: absolute;
  z-index: 10;
  padding: 10px;
  height: 0;
  top: 30px;
  overflow: hidden;
  transition: all 0.5s;
  box-sizing: content-box !important;
}

.top_nav .img:hover .xcx_box {
  height: 222px;
  transition: all 0.5s;
}

.top_nav .img:hover .xcx_box > div {
  box-shadow: 5px 8.7px 20px 0px rgba(12, 4, 7, 0.1);
}

.top_nav .xcx_box > div {
  width: 212px;
  height: 212px;
  background-color: #ffffff;
  flex-direction: column;
  font-size: 16px;
}

.top_nav .xcx_box img {
  margin-bottom: 8px;
}

.top_nav .type {
  width: 110px;
  height: 28px;
  background-color: #f2f2f2;
  border-radius: 14px;
  font-size: 14px;
  color: #333333;
}

.top_nav .change {
  color: #333333;
  font-size: 14px;
}
.top_nav .change .home {
  width: 21px;
  height: 22px;
  margin-right: 15px;
}
.top_nav .change .home a {
  display: block;
  width: 100%;
  height: 100%;
  background: url(../img/home.png) no-repeat;
  background-size: 100%;
}
.top_nav .change .home img {
  width: 100%;
}
.top_nav .change .home:hover a {
  background: url(../img/home_active.png) no-repeat;
  background-size: 100%;
}
.top_nav .change .top_qrcode {
  width: 17px;
  height: 17px;
  margin-right: 15px;
  position: relative;
  cursor: pointer;
}
.top_nav .change .top_qrcode .xcx_box {
  top: 22px;
  left: -100px;
}
.top_nav .change .top_qrcode:hover .xcx_box > div {
  box-shadow: 5px 8.7px 20px 0px rgba(12, 4, 7, 0.1);
}
.top_nav .change .top_qrcode:hover .xcx_box {
  height: 222px;
  transition: all 0.5s;
}
.top_nav .change ul {
  position: relative;
  padding-left: 5px;
}

.top_nav .change ul::before {
  content: "";
  width: 1px;
  height: 30px;
  background-color: #ebebeb;
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
}

.top_nav .change li {
  margin-left: 15px;
}

.top_nav .change a {
  color: #333333;
}

.top_nav .change a:hover {
  color: #ff234d;
}

.banner_container {
  width: 100%;
  height: 374px;
  background-color: #666666;
}

.banner_container {
  position: relative;
  width: 100%;
  height: 374px;
  overflow: hidden;
}

.banner_container .banner_wrapper {
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 100%;
}

.banner_container .banner_wrapper .banner_img {
  position: absolute;
  left: 0;
  top: 0;
  right: 0;
  bottom: 0;
  display: none;
  background-color: #ccc;
  background-position: top center;
  background-repeat: no-repeat;
}

.banner_container .points,
.banner_container .operate_buttons {
  position: absolute;
  bottom: 18px;
  left: 50%;
  margin-left: -349px;
  width: 938px;
  text-align: left;
  font-size: 0;
  padding-left: 30px;
}

.banner_container .points li,
.banner_container .operate_buttons li {
  display: inline-block;
  width: 20px;
  height: 8px;
  background-color: #ffffff;
  border-radius: 3px;
  opacity: 0.3;
  margin-right: 10px;
  transition: all 0.3s;
  cursor: pointer;
}

.banner_container .points li.active,
.banner_container .operate_buttons li.active {
  opacity: 1;
  width: 35px;
  transition: all 0.3s;
}

.banner_container .btn {
  position: absolute;
  top: -200px;
  width: 40px;
  height: 40px;
  line-height: 40px;
  background-color: #ccc;
  background-color: rgba(0, 0, 0, 0.5);
  font-size: 24px;
  text-align: center;
  color: #fff;
  font-family: "simsun";
}

.banner_container .prev {
  left: 0;
}

.banner_container .next {
  right: 0;
}

.left_form {
  width: 1200px;
  position: relative;
  margin: 0 auto 0;
}

.left_form .form_box {
  position: absolute;
  top: -374px;
  left: 0;
  width: 250px;
  height: 374px;
  background-color: #ffffff;
  padding: 13px 25px 0 27px;
}

.left_form .form_box h3 {
  font-size: 24px;
  color: #ff6554;
}

.left_form .form_box p {
  font-size: 16px;
  letter-spacing: 4px;
  color: #000000;
  margin-top: 4px;
  margin-bottom: 15px;
}

.left_form .form_box form {
  width: 100%;
}

.left_form .form_box .img {
  width: 23px;
  flex-shrink: 0;
}

.left_form .form_box .item {
  margin-bottom: 10px;
}

.left_form .form_box input,
.left_form .form_box select {
  width: 165px;
  height: 36px;
  line-height: 36px;
  background-color: #f2f2f2;
  font-size: 14px;
  flex-shrink: 0;
  padding-left: 11px;
  color: #999999;
}

.left_form .form_box input::placeholder {
  color: #999999;
}

.left_form .form_box select {
  background: #f2f2f2 url(../img/kcfl.png) no-repeat;
  background-size: 5%;
  background-position: 95% center;
}

.left_form input:-webkit-autofill {
  -webkit-box-shadow: 0 0 0px 1000px #f2f2f2 inset !important;
}

.left_form .form_box .btn {
  width: 120px;
  height: 38px;
  background-color: #ff6554;
  border-radius: 19px;
  margin: 15px auto 0;
  font-size: 16px;
  font-weight: 700;
  color: #ffffff;
}

.act_main {
  width: 1200px;
  margin: 40px auto 0;
  align-items: flex-start !important;
  min-width: 1200px;
}

.act_main > section {
  margin: 0;
}

.act_main .left_box {
  width: 100%;
}
.act_main .new_act {
  display: flex;
  flex-wrap: wrap;
}
.act_main .data_list li {
  width: 23%;
  height: auto;
  background: #ffffff url(../img//li_bg.png) no-repeat;
  background-position: -10px 117px;
  /* box-shadow: 0px 0px 30px 0px rgba(12, 4, 7, 0.05); */
  cursor: pointer;
  transition: all 0.4s;
  margin-bottom: 32px;
  position: relative;
  margin-right: 32px;
  display: block;
  border-radius: 10px;
  top: 0;
  transition: all .2s;
}

.act_main .data_list li:hover {
  top: -7px;
  transition: all .2s;
  box-shadow: 0px 0px 30px 0px rgba(12, 4, 7, 0.05);
}
.act_main .data_list li:nth-child(4n) {
  margin-right: 0;
}
.act_main .data_list li .label {
  overflow: hidden;
  padding: 0 10px;
}

.act_main .data_list li a {
  width: 100%;
  height: 100%;
  color: #333333;
  display: block;
  padding: 0 0 20px 0;
}
.act_main .data_list li .left {
  width: 100%;
  /* height: 140px; */
  flex-shrink: 0;
  display: block;
}

.act_main .data_list li .img {
  width: 100%;
  /* height: 155px; */
  background-color: #808080;
  /* margin-right: 24px; */
  border-radius: 10px 10px 0 0;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.act_main .data_list li .img img {
  /* height: 100%; */
  width: 100%;
}

.act_main .data_list li .mid {
  width: 100%;
  height: 100%;
  position: relative;
}

.act_main .data_list li .title {
  width: 100%;
  font-size: 15px;
  color: #333333;
  /* margin-bottom: 10px; */
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  /* 几行后显示不开省略 */
  -webkit-line-clamp: 2;
  font-weight: 400;
  line-height: 23px;
  height: 46px;
  margin: 12px 0 18px;
  padding: 0 10px;
}

.act_main .data_list li .label {
  color: #898888;
  width: 181px;
  height: 15px;
  font-size: 12px;
  line-height: 15px;
  margin-top: 8px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  background: url(https://www.igo.cn/study/live/img/tags.png) no-repeat;
  background-size: 15px auto;
  background-position:10px center;
  padding:0 10px 0 30px;
}
.act_main .data_list li .label img {
  width: 15px;
  margin-right: 10px;
}
.act_main .data_list li .date {
  font-size: 12px;
  color: #898888;
  height: 15px;
  padding: 0 10px;
  line-height: 15px;
  background: url(https://www.igo.cn/study/live/img/date.png) no-repeat;
  background-size: 15px auto;
  background-position: 10px center;
  pa;
  padding: 0 10px 0 30px;
}
.act_main .data_list li .date img {
  width: 15px;
  margin-right: 10px;
}
.act_main .data_list li .btn_box {
  position: absolute;
  bottom: 16px;
  right: 10px;
}

.act_main .data_list li .btn {
  width: 94px;
  height: 35px;
  font-size: 14px;
  font-weight: 700;
  border-radius: 19px;
  border: 1px solid #ff6554;
  transition: all 0.3s;
    color: #ffffff;
  background: #ff6554;
}
.act_main .data_list li .btn:hover {
  color: #ff6554;
  background: #ffffff;
  transition: all 0.3s;
}
.act_main .data_list li.end .btn{
    color: #ffffff;
    background: #afafaf;
  border: 1px solid #afafaf;
}
.act_main .data_list li.end .btn{
  background: #afafaf;
  border: 1px solid #afafaf;
}
.act_main .past h3 {
  font-size: 24px;
  color: #000000;
  height: 24px;
  line-height: 22px;
  border-left: 4px solid #000000;
  padding-left: 17px;
  margin: 25px 0;
}

.act_main .past .past_list {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
}

.act_main .filterbox{
  align-items: stretch;
  margin-bottom: 60px;
}
.act_main .filterbox>div{
  background: #ffffff;
  border-radius: 15px;
  padding: 15px;
}
.act_main .filter{
  width: 714px;
  font-size: 14px;
}
.act_main .filter .item{
  margin-bottom: 10px;
  align-items: flex-start;
}
.act_main .filter .item:last-child{
  margin-bottom: 0;
}
.act_main .filter p{
  width: 70px;
  flex-shrink: 0;
  font-weight: bold;
  margin-right: 10px;
  height: 25px;
  line-height: 25px;
}
.act_main .filter ul{
  flex-wrap: wrap;
}
.act_main .filter li{
  height: 25px;
  margin-right: 8px;
  padding: 0 10px;
  cursor: pointer;
  margin-bottom: 5px;
}
.act_main .filter li:last-child{
  margin-right: 0;
}
.act_main .filter li.active,
  .act_main .filter li:hover{
  color: #ffffff;
  background: #ff6554;
  border-radius: 5px;
}
.act_main .filter .searchbox p{
  width: auto;
}
.act_main .filter .searchbox input{
  width: 250px;
  height: 35px;
  border: 1px solid #eeeeee;
  padding-left: 10px;
  margin-right: 15px;
}
.act_main .filter .searchbox #search{
  width: 100px;
  height: 35px;
  background: #ff6554;
  color: #ffffff;
  border-radius: 35px;
  cursor: pointer;
}
.act_main .group{
  width: 472px;
  flex-shrink: 0;
}
.act_main .group ul{
  flex-wrap: wrap;
  flex-direction: column;
  align-items: flex-start;
  position: relative;
  height: 231px;
  padding-bottom: 60px;
}

.act_main .group li{
  margin-bottom: 10px;
  cursor: pointer;
  background: #ffecf0;
  /* border: 1px solid #ffecf0; */
  border-radius: 12px;
}
.act_main .group li.active,
  .act_main .group li:hover{
  /* border-color: #000000; */
  background: #ffc4d0;
}
.act_main .group li.li1{
  width: 192px;
  height: 68px;
}
.act_main .group li.li2{
  width: 192px;
  height: 92px;
}
.act_main .group li.li3{
  width: 442px;
  height: 50px;
}
.act_main .group li.li4,
.act_main .group li.li6{
  width: 116px;
  height: 107px;
}
.act_main .group li.li5{
  width: 240px;
  height: 54px;
}
.act_main .group li.li1,
.act_main .group li.li2{
  margin-right: 10px;
}
.act_main .group li.li2,
.act_main .group li.li3,
  .act_main .group li.li5{
  margin-bottom: 0;
}
.act_main .group li.li3{
  position: absolute;
  bottom: 0;
  left: 0;
}


.act_main .remark{
  margin-bottom: 30px;
  align-items: flex-end;
    font-size: 14px;
    line-height: 14px;
}
.act_main .remark>div{
  align-items: flex-end;
}
.act_main .remark h3{
  font-size: 24px;
  font-weight: normal;
  line-height: 24px;
  color: #000000;
  margin-right: 20px;
}
.act_main .filtetags{
  margin-right: 20px;
  overflow: hidden;
  position: relative;
  top: 4px;
}
.act_main .filtetags p{
  float: left;
}
.act_main .filtetags>div{
  float: left;
}
.act_main .filtetags span{
  color: #ff6554;
  border: 1px solid #ff6554;
  padding: 0 5px;
  font-size: 14px;
  border-radius: 5px;
  margin-right: 10px;
  height: 20px;
}
.act_main .filtetags span i{
  width: 15px;
  height: 15px;
  margin-left: 5px;
  cursor: pointer;
  background: url(../img/group/close.png) no-repeat;
  background-size: 100%;
}

.act_main .remark em{
  color: #ff6554;
  font-weight: bold;
}