.LineHide {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  word-break: break-all;
}
.clearfix:after {
  content: "";
  clear: both;
  height: 0;
  overflow: hidden;
  visibility: hidden;
  display: block;
}
.clearfix {
  zoom: 1;
}
.headline {
  display: block;
  height: 165px;
  margin: 0 auto 35px;
}
.headline_1 {
  margin-bottom: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: PingFangSC, PingFang SC;
  font-weight: 600;
  font-size: 28px;
  color: #C40202;
}
.headline_1::before,
.headline_1::after {
  content: '';
  display: block;
  width: 3px;
  height: 25px;
  background: #C40202;
  border-radius: 2px;
}
.headline_1::before {
  margin-right: 8px;
}
.headline_1::after {
  margin-left: 8px;
}
.more {
  margin: 0 auto;
  width: fit-content;
  display: flex;
  align-items: center;
  justify-content: center;
}
.more p {
  margin-right: 8px;
  font-family: PingFangSC, PingFang SC;
  font-weight: 400;
  font-size: 12px;
  color: #666666;
}
.more img {
  display: block;
  width: 20px;
  height: 6px;
}
.more .on {
  display: none;
}
.more:hover p {
  color: #C40202;
}
.more:hover img {
  display: none;
}
.more:hover .on {
  display: block;
}
.notification {
  position: relative;
  z-index: 9;
  height: 254px;
  margin-top: -76px;
}
.notification .layout {
  padding-left: 278px;
  height: 100%;
  background: url(../images/notification_background.png) no-repeat center;
  background-size: 100% 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;  
  cursor: pointer;
}
.notification .layout .title {
  margin-bottom: 17px;
  width: 832px;
  font-family: SourceHanSerifSC, SourceHanSerifSC;
  font-weight: 800;
  font-size: 24px;
  color: #FFFFFF;
  text-align: center;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  word-break: break-all;
}
.notification .layout .smalltext {
  width: 832px;
  font-family: PingFangSC, PingFang SC;
  font-weight: 400;
  font-size: 16px;
  color: #FFFFFF;
  line-height: 24px;
  text-indent: 2em;
  text-align: justify;
}
.notification .layout .smalltext a {
  font-family: PingFangSC, PingFang SC;
  font-weight: 400;
  font-size: 16px;
  color: #F9D58D !important;
  line-height: 24px;
}
.part1 {
  padding: 62px 0 30px;
}
.part1 .layout .content {
  display: block;
  width: 100%;
}
.part2 .lesson_1 {
  margin-bottom: 34px;
  padding: 40px 0;
  background: #FFF7F7;
}
.part2 .lesson_1 .swiperbox {
  position: relative;
}
.part2 .lesson_1 .swiperbox .swiper {
  margin-bottom: 35px;
  width: 1026px;
}
.part2 .lesson_1 .swiperbox .swiper .swiper-wrapper .swiper-slide ul li {
  float: left;
  margin-top: 12px;
  margin-right: 12px;
}
.part2 .lesson_1 .swiperbox .swiper .swiper-wrapper .swiper-slide ul li:nth-child(3),
.part2 .lesson_1 .swiperbox .swiper .swiper-wrapper .swiper-slide ul li:nth-child(5) {
  margin-right: 0;
}
.part2 .lesson_1 .swiperbox .swiper .swiper-wrapper .swiper-slide ul li:nth-child(1),
.part2 .lesson_1 .swiperbox .swiper .swiper-wrapper .swiper-slide ul li:nth-child(2),
.part2 .lesson_1 .swiperbox .swiper .swiper-wrapper .swiper-slide ul li:nth-child(3) {
  margin-top: 0;
}
.part2 .lesson_1 .swiperbox .swiper .swiper-wrapper .swiper-slide ul li:nth-child(1) a .imgbox {
  width: 574px;
  height: 313px;
}
.part2 .lesson_1 .swiperbox .swiper .swiper-wrapper .swiper-slide ul li:nth-child(1) a .title {
  width: 574px;
}
.part2 .lesson_1 .swiperbox .swiper .swiper-wrapper .swiper-slide ul li:hover a .imgbox img {
  transform: scale(1.3);
}
.part2 .lesson_1 .swiperbox .swiper .swiper-wrapper .swiper-slide ul li:hover a .title {
  color: #C40202;
}
.part2 .lesson_1 .swiperbox .swiper .swiper-wrapper .swiper-slide ul li a {
  display: block;
}
.part2 .lesson_1 .swiperbox .swiper .swiper-wrapper .swiper-slide ul li a .imgbox {
  margin-bottom: 8px;
  width: 214px;
  height: 123px;
  overflow: hidden;
}
.part2 .lesson_1 .swiperbox .swiper .swiper-wrapper .swiper-slide ul li a .imgbox img {
  display: block;
  width: 100%;
  height: 100%;
  transition: all .3s;
}
.part2 .lesson_1 .swiperbox .swiper .swiper-wrapper .swiper-slide ul li a .title {
  width: 214px;
  font-family: PingFangSC, PingFang SC;
  font-weight: 400;
  font-size: 18px;
  color: #333333;
  line-height: 25px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  word-break: break-all;
}
.part2 .lesson_1 .swiperbox .swiper .swiper-wrapper .swiper-slide ul li a .writer {
  font-family: PingFangSC, PingFang SC;
  font-weight: 400;
  font-size: 16px;
  color: #999999;
  line-height: 22px;
}
.part2 .lesson_1 .swiperbox .swiper-button::after {
  content: "";
}
.part2 .lesson_1 .swiperbox .swiper-button img {
  display: block;
  width: 60px;
  height: 60px;
}
.part2 .lesson_1 .swiperbox .swiper-button-next {
  right: 24px;
}
.part2 .lesson_1 .swiperbox .swiper-button-prev {
  left: 24px;
}
.part2 .lesson_2 {
  padding: 43px 20px 55px;
  background: #FFF7F7;
}
.part2 .lesson_2 .box {
  display: flex;
  align-items: center;
}
.part2 .lesson_2 .box .tab {
  padding: 50px 0 30px;
  background: #E02023;
  flex-shrink: 0;
  width: 240px;
}
.part2 .lesson_2 .box .tab li {
  padding: 20px 50px 20px 30px;
  font-family: PingFangSC, PingFang SC;
  font-weight: 400;
  font-size: 18px;
  color: #fff;
  cursor: pointer;
}
.part2 .lesson_2 .box .tab .on {
  background-color: rgba(255, 255, 255, 0.25);
}
.part2 .lesson_2 .box .contentbox {
  height: 317px;
  background: #FFFFFF;
  border: 1px solid #E3E3E3;
  margin-left: -37px;
}
.part2 .lesson_2 .box .contentbox .content {
  width: 958px;
  padding: 44px 80px;
}
.part2 .lesson_2 .box .contentbox .content ul {
  margin-bottom: 30px;
}
.part2 .lesson_2 .box .contentbox .content ul li {
  float: left;
  margin-right: 18px;
  margin-top: 15px;
}
.part2 .lesson_2 .box .contentbox .content ul li:nth-child(3n) {
  margin-right: 0;
}
.part2 .lesson_2 .box .contentbox .content ul li:nth-child(1),
.part2 .lesson_2 .box .contentbox .content ul li:nth-child(2),
.part2 .lesson_2 .box .contentbox .content ul li:nth-child(3) {
  margin-top: 0;
}
.part2 .lesson_2 .box .contentbox .content ul li:hover a .imgbox img {
  transform: scale(1.3);
}
.part2 .lesson_2 .box .contentbox .content ul li:hover a .title {
  color: #C40202;
}
.part2 .lesson_2 .box .contentbox .content ul li:hover a .writer {
  color: #C40202;
}
.part2 .lesson_2 .box .contentbox .content ul li a {
  display: block;
}
.part2 .lesson_2 .box .contentbox .content ul li a .imgbox {
  margin-bottom: 10px;
  width: 254px;
  height: 145px;
  overflow: hidden;
}
.part2 .lesson_2 .box .contentbox .content ul li a .imgbox img {
  display: block;
  width: 100%;
  height: 100%;
  transition: all .3s;
}
.part2 .lesson_2 .box .contentbox .content ul li a .title {
  margin-bottom: 10px;
  width: 254px;
  font-family: PingFangSC, PingFang SC;
  font-weight: 400;
  font-size: 16px;
  color: #666666;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  word-break: break-all;
}
.part2 .lesson_2 .box .contentbox .content ul li a .writer {
  font-family: PingFangSC, PingFang SC;
  font-weight: 400;
  font-size: 12px;
  color: #999999;
}
.part3 {
  padding: 10px 0 95px;
}
.part3 .layout {
  display: flex;
  justify-content: space-between;
}
.part3 .layout .list_1 ul {
  height: 733px;
  margin-bottom: 20px;
  padding: 65px 50px;
  background: #E02023;
}
.part3 .layout .list_1 ul li {
  padding-top: 26px;
  margin-bottom: 26px;
  border-top: 1px solid #EFEFEF;
}
.part3 .layout .list_1 ul li:nth-child(1) {
  padding-top: 0;
  border-top: none;
}
.part3 .layout .list_1 ul li:hover a .title {
  color: #FFE580;
}
.part3 .layout .list_1 ul li a {
  display: flex;
  align-items: center;
}
.part3 .layout .list_1 ul li a .time {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.part3 .layout .list_1 ul li a .time .day {
  font-family: PingFangSC, PingFang SC;
  font-weight: 600;
  font-size: 20px;
  color: #FFFFFF;
  line-height: 28px;
}
.part3 .layout .list_1 ul li a .time .year_month {
  font-family: PingFangSC, PingFang SC;
  font-weight: 400;
  font-size: 12px;
  color: #FFFFFF;
  line-height: 17px;
}
.part3 .layout .list_1 ul li a hr {
  margin: 0 30px;
  border: 0;
  width: 1px;
  height: 52px;
  background-color: #fff;
}
.part3 .layout .list_1 ul li a .title {
  width: 309px;
  font-family: PingFangSC, PingFang SC;
  font-weight: 400;
  font-size: 16px;
  color: #FFFFFF;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  word-break: break-all;
}
.part3 .layout .list_2 ul {
  height: 733px;
  margin-bottom: 20px;
  padding: 65px 50px;
  background: #E02023;
}
.part3 .layout .list_2 ul li {
  padding-top: 20px;
  margin-bottom: 20px;
  border-top: 1px solid #DDDDDD;
}
.part3 .layout .list_2 ul li:nth-child(2) {
  border-top: none;
  padding-top: 0;
}
.part3 .layout .list_2 ul li:nth-child(1) {
  border-top: none;
  padding-top: 0;
  margin-bottom: 42px;
}
.part3 .layout .list_2 ul li:nth-child(1) a {
  display: block;
}
.part3 .layout .list_2 ul li:nth-child(1) a .imgbox {
  width: 431px;
  height: 267px;
  overflow: hidden;
}
.part3 .layout .list_2 ul li:nth-child(1) a .imgbox img {
  display: block;
  width: 100%;
  height: 100%;
  transition: all .3s;
}
.part3 .layout .list_2 ul li:nth-child(1):hover a .imgbox img {
  transform: scale(1.3);
}
.part3 .layout .list_2 ul li:hover a i {
  background-color: #FFE580;
}
.part3 .layout .list_2 ul li:hover a p {
  color: #FFE580;
}
.part3 .layout .list_2 ul li a {
  display: flex;
  align-items: center;
}
.part3 .layout .list_2 ul li a i {
  margin-right: 12px;
  display: block;
  width: 5px;
  height: 5px;
  background: #FFFFFF;
}
.part3 .layout .list_2 ul li a p {
  width: 365px;
  font-family: PingFangSC, PingFang SC;
  font-weight: 400;
  font-size: 16px;
  color: #FFFFFF;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  word-break: break-all;
}
.part4 {
  background: url(../images/part4_background.png) no-repeat center;
  background-size: 100% 100%;
  padding: 0px 0 60px;
}
.part4 .layout ul {
  display: flex;
}
.part4 .layout ul li {
  width: 115px;
  height: 336px;
  border-radius: 10px 10px 10px 10px;
  overflow: hidden;
  margin-right: 8px;
  cursor: pointer;
  transition: all .3s;
}
.part4 .layout ul li:nth-last-child(1) {
  margin-right: 0;
}
.part4 .layout ul li .title {
  width: 100%;
  height: 100%;
  font-family: PingFangSC, PingFang SC;
  /* font-weight: 600; */
  font-size: 24px;
  color: #fff;
  -webkit-writing-mode: vertical-lr;
  /* 旧版webkit浏览器 */
  -ms-writing-mode: tb-lr;
  /* IE兼容模式 */
  writing-mode: vertical-lr;
  text-orientation: upright;
  text-align: center;
  letter-spacing: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.part4 .layout ul li .smalltext {
  padding: 0px 52px 0;
  height: 336px;
  display: flex;
  align-items: center;
  flex-direction: column;
  justify-content: center;
  padding: 0;
  width: 0;
  opacity: 0;
  visibility: hidden;
  transition: all 0s ease-in-out, visibility 0.3s;
}
.part4 .layout ul li .smalltext p:nth-child(1) {
  font-family: PingFangSC, PingFang SC;
  font-weight: 500;
  font-size: 24px;
  color: #fff;
}
.part4 .layout ul .on {
  width: 583px;
}
.part4 .layout ul .on .title {
  display: none;
}
.part4 .layout ul .on .smalltext {
  padding: 0px 52px 0;
  width: 583px;
  opacity: 1;
  visibility: visible;
  transition: width 0.3s ease-in-out, opacity 0.3s ease-in-out;
}
.cover {
  background-color: rgba(0, 0, 0, 0.5);
  position: fixed;
  left: 0px;
  top: 0px;
  width: 100%;
  height: 100%;
  display: block;
  z-index: 999;
}
.showdiv .popup_decorate_wrap {
  position: fixed;
  top: 50%;
  left: 50%;
  margin-left: -224px;
  margin-top: -145px;
  z-index: 9999;
}
.showdiv .popup_itme {
  width: 448px;
  height: 290px;
  background: #FFFFFF;
  box-shadow: 2px 2px 8px 2px rgba(192, 192, 192, 0.5);
  border-radius: 13px;
  padding: 17px 22px;
}
.showdiv .popup_itme .closediv {
  text-align: right;
}
.showdiv .popup_itme .closediv .closediv-btn {
  width: 34px;
  height: 34px;
  cursor: pointer;
  display: inline-block;
}
.showdiv .popup_itme .closediv .closediv-btn img {
  width: 100%;
  height: 100%;
  display: inline-block;
}
.showdiv .popup_itme .popup_itme_title {
  text-align: center;
  margin-top: 49px;
}
.showdiv .popup_itme .popup_itme_title p {
  font-size: 20px;
  font-family: MicrosoftYaHei;
  color: #999999;
  line-height: 26px;
}
.showdiv .popup_itme .popup_itme_btn {
  text-align: center;
  margin-top: 60px;
}
.showdiv .popup_itme .popup_itme_btn .btn_return {
  display: inline-block;
  width: 120px;
  background: #FFFFFF;
  border-radius: 28px;
  border: 1px solid #CB272C;
  font-size: 16px;
  color: #C02832;
  line-height: 40px;
  padding: 0 42px;
}