.swiper {
  height: 100%;
}
.swiper a {
  display: inline-flex;
  height: 100%;
  width: 100%;
}
.swiper a img {
  -o-object-fit: contain;
     object-fit: contain;
  height: 100%;
  width: 100%;
}
.swiper .swiper-pagination .swiper-pagination-bullet {
  border-radius: 50%;
  margin: 0 8px;
  background: #fff;
  opacity: 0.5;
}
.swiper .swiper-pagination .swiper-pagination-bullet.swiper-pagination-bullet-active {
  opacity: 1;
}
.swiper.box-swiper {
  position: initial;
  margin-right: 60px;
}
.swiper.box-swiper .button-prev,
.swiper.box-swiper .button-next {
  width: 37px;
  height: 62px;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
}
.swiper.box-swiper .button-prev::after,
.swiper.box-swiper .button-next::after {
  content: none;
}
.swiper.box-swiper .button-prev {
  left: 25px;
  background-image: url("../images/swiper-l.png");
}
.swiper.box-swiper .button-next {
  right: 25px;
  background-image: url("../images/swiper-r.png");
}

.box {
  padding-top: 50px;
}

.banner {
  height: 456px;
}
.banner .swiper a img {
  -o-object-fit: cover;
     object-fit: cover;
  height: 100%;
  width: 100%;
}
.banner .banner-swiper .swiper-pagination {
  bottom: 52px;
}
.banner .banner-swiper .swiper-pagination .swiper-pagination-bullet {
  width: 10px;
  height: 10px;
}
.banner .banner-swiper .swiper-pagination .swiper-pagination-bullet.swiper-pagination-bullet-active {
  width: 45px;
  border-radius: 5px;
}

.tab {
  width: 1149px;
  height: 138px;
  padding: 32px;
  background: #fff;
  border-radius: 58px;
  margin: -40px auto 0;
  z-index: 10;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.tab .item {
  width: 200px;
  height: 72px;
}
.tab .item:nth-child(1) {
  background: url("../images/tab-1.png") no-repeat center/100%;
}
.tab .item:nth-child(2) {
  background: url("../images/tab-2.png") no-repeat center/100%;
}
.tab .item:nth-child(3) {
  background: url("../images/tab-3.png") no-repeat center/100%;
}
.tab .item:nth-child(4) {
  background: url("../images/tab-4.png") no-repeat center/100%;
}
.tab .item:nth-child(5) {
  background: url("../images/tab-5.png") no-repeat center/100%;
}

.box1 {
  padding-top: 52px;
}
.box1 .content .con {
  padding-bottom: 30px;
}
.box1 .headlines {
  display: flex;
  align-items: flex-start;
}
.box1 .left {
  width: 450px;
}
.box1 .left .box1-swiper {
  border-radius: 20px;
  height: 236px;
}
.box1 .left .box1-swiper .swiper-pagination .swiper-pagination-bullet {
  margin: 0 10px;
  width: 8px;
  height: 8px;
}
.box1 .left .box1-swiper .swiper-pagination .swiper-pagination-bullet.swiper-pagination-bullet-active {
  width: 35px;
  border-radius: 4px;
}
.box1 .headlines-list {
  display: flex;
  align-items: center;
  flex-direction: column;
  width: 630px;
  box-sizing: border-box;
  padding-left: 35px;
}
.box1 .headlines-list .item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 14px;
  width: 100%;
}
.box1 .headlines-list .item .name {
  color: #333;
  line-height: 34px;
  width: 450px;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  transition: color 0.2s ease;
}
.box1 .headlines-list .item .name:hover {
  color: #1a4299;
}
.box1 .headlines-list .item .name.hot {
  color: #ff4500 !important;
  padding-left: 15px;
  background: url("../images/hot.png") no-repeat left center;
}
.box1 .headlines-list .item .name.rec {
  color: #ff4500 !important;
  padding-left: 18px;
  background: url("../images/recommend.png") no-repeat left center;
}
.box1 .headlines-list .item .date {
  color: #999;
}

.box2 .content {
  padding-bottom: 75px;
}
.box2 .course {
  display: flex;
}
.box2 .course .hot {
  width: 220px;
  height: 490px;
  cursor: pointer;
  border-radius: 20px;
  margin-left: 3px;
}
.box2 .course .hot .img {
  height: 100%;
}
.box2 .course .course-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  flex: 1;
  padding-left: 36px;
}
.box2 .course .course-list .item {
  width: 258px;
  height: 240px;
  padding: 20px 25px;
  box-sizing: border-box;
  border-radius: 20px;
  transition: transform 0.2s ease;
}
.box2 .course .course-list .item:hover {
  box-shadow: 0px 0 5px rgba(0, 0, 0, 0.1);
  transform: translateY(-5px);
}
.box2 .course .course-list .item .img-con {
  width: 205px;
  height: 118px;
  border-radius: 10px;
  overflow: hidden;
}
.box2 .course .course-list .item .img-con .img {
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
     object-fit: cover;
  border-radius: 10px;
}
.box2 .course .course-list .item .name {
  color: #7f7f7f;
  font-size: 18px;
  line-height: 30px;
  padding-top: 18px;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.box2 .course .course-list .item .flex {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.box2 .course .course-list .item .flex .price {
  font-size: 22px;
  font-weight: 500;
  color: #1a4299;
  line-height: 35px;
  letter-spacing: 2px;
}
.box2 .course .course-list .item .flex .price span {
  font-size: 12px;
}
.box2 .course .course-list .item .flex .btn {
  width: 70px;
  margin-right: 5px;
  cursor: pointer;
}

.box3 .teacher {
  display: flex;
}
.box3 .teacher .humin {
  width: 258px;
  height: 481px;
  background: url("../images/hm.png") no-repeat center;
  background-size: cover;
  padding: 5px 25px;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  line-height: 25px;
}
.box3 .teacher .humin .name {
  font-size: 22px;
  color: #333;
  padding-bottom: 8px;
}
.box3 .teacher .humin .des {
  font-size: 14px;
  color: #666;
}
.box3 .teacher .humin .des p {
  position: relative;
  padding-left: 10px;
}
.box3 .teacher .humin .des p::before {
  content: "*";
  position: absolute;
  left: 0;
  top: 2px;
  width: 2px;
  height: 2px;
}
.box3 .teacher .teacher-list {
  flex: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 40px 20px;
  margin-left: 15px;
}
.box3 .teacher .teacher-list .item {
  width: 258px;
  height: 220px;
  padding: 20px;
  box-sizing: border-box;
  border-radius: 20px;
  display: flex;
  transition: transform 0.2s ease;
}
.box3 .teacher .teacher-list .item:hover {
  box-shadow: 0px 0 5px rgba(0, 0, 0, 0.1);
  transform: translateY(-5px);
}
.box3 .teacher .teacher-list .item .item-l {
  margin-right: 15px;
}
.box3 .teacher .teacher-list .item .item-l .img-con {
  width: 110px;
  height: 148px;
  border-radius: 20px;
  overflow: hidden;
}
.box3 .teacher .teacher-list .item .item-l .img-con .img {
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
     object-fit: cover;
  border-radius: 20px;
}
.box3 .teacher .teacher-list .item .item-l .name {
  font-size: 20px;
  color: #333;
  text-align: center;
  padding-top: 10px;
  height: 40px;
  width: 110px;
  box-sizing: border-box;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.box3 .teacher .teacher-list .item .des {
  padding-top: 10px;
  font-size: 14px;
  color: #666;
  line-height: 22px;
  height: 130px;
  letter-spacing: 1px;
  word-break: break-all;
  display: -webkit-box;
  overflow: hidden;
  text-overflow: ellipsis;
  -webkit-line-clamp: 6;
  -webkit-box-orient: vertical;
}

.box4 .book-list {
  padding: 5px;
  box-sizing: border-box;
}
.box4 .book-list .item {
  height: 300px;
  display: inline-block;
  text-align: center;
  box-sizing: border-box;
  padding: 5px 20px;
  border-radius: 20px;
  transition: all 0.2s ease;
}
.box4 .book-list .item:hover {
  box-shadow: 0px 0 5px rgba(0, 0, 0, 0.1);
}
.box4 .book-list .item .img {
  width: 226px;
  height: 228px;
}
.box4 .book-list .item .name {
  font-size: 16px;
  color: #666;
  text-align: center;
  padding: 8px 20px 0;
  display: -webkit-box;
  overflow: hidden;
  text-overflow: ellipsis;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.box5 .news {
  display: flex;
  justify-content: space-between;
}
.box5 .news .content {
  padding: 0;
}
.box5 .news1 {
  width: 875px;
}
.box5 .news1 .con {
  padding-left: 40px;
  padding-bottom: 25px;
}
.box5 .news1 .con .list-t {
  max-width: 700px;
}
.box5 .news1 .news-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  padding: 0 40px 20px;
}
.box5 .news1 .news-list .item {
  width: 360px;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  line-height: 20px;
  height: 35px;
  box-sizing: border-box;
  cursor: pointer;
}
.box5 .news1 .news-list .item .link {
  display: inline-block;
  width: 280px;
  font-size: 14px;
  font-weight: initial;
  color: #666;
  transition: color 0.2s ease;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.box5 .news1 .news-list .item:hover {
  color: #1a4299;
}
.box5 .news1 .news-list .item:hover .link {
  color: #1a4299;
}
.box5 .news2 {
  width: 295px;
}
.box5 .news2 .con {
  padding-left: 20px;
  padding-bottom: 20px;
}
.box5 .news2 .ad {
  width: 256px;
  height: 90px;
  margin: 0 20px 15px;
  overflow: hidden;
  display: inline-block;
  border-radius: 20px;
}
.box5 .news2 .ad .img {
  width: 100%;
  cursor: pointer;
  transition: transform 0.2s ease;
}
.box5 .news2 .ad .img:hover {
  transform: scale(1.1);
}
.box5 .news2 .news-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  padding: 0 30px 25px;
}
.box5 .news2 .news-list .item {
  width: 250px;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  line-height: 20px;
  height: 35px;
  box-sizing: border-box;
  cursor: pointer;
}
.box5 .news2 .news-list .item .link {
  color: #666;
  transition: color 0.2s ease;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.box5 .news2 .news-list .item:hover .link {
  color: #ff4500;
}

.box6 {
  padding-top: 68px;
}
.box6 .content {
  width: 100%;
  height: 606px;
  background: url("../images/box6-bg.png") no-repeat center;
  box-sizing: border-box;
  padding-right: 60px;
  padding-bottom: 80px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
}
.box6 .content .site-list {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 25px;
}
.box6 .content .site-list .region {
  display: flex;
  gap: 20px;
}
.box6 .content .site-list .region .region-name {
  font-weight: bold;
  font-size: 18px;
  color: #1a4299;
  line-height: 24px;
}
.box6 .content .site-list .region .city-list {
  flex: 1;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 24px;
}
.box6 .content .site-list .region .city-list .city {
  font-size: 18px;
  color: #666;
}
.box6 .content .form-container {
  width: 587px;
  height: 463px;
  background: #fff;
  border-radius: 50px;
  border: 1px solid #eee;
  box-sizing: border-box;
  padding: 60px 35px 30px 50px;
  margin-bottom: 10px;
}
.box6 .content .form-container .form-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 30px;
}
.box6 .content .form-container .form-top .form-title {
  font-size: 26px;
  color: #333;
  padding-left: 15px;
  position: relative;
}
.box6 .content .form-container .form-top .form-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 24px;
  background: #1a4299;
  border-radius: 2px;
}
.box6 .content .form-container .form-top .form-city {
  display: flex;
  align-items: center;
  gap: 8px;
  position: relative;
}
.box6 .content .form-container .form-top .form-city .label {
  font-size: 18px;
  color: #333;
}
.box6 .content .form-container .form-top .form-city .current {
  font-size: 18px;
  color: #1a4299;
  padding-right: 20px;
  background: url("../images/arrow-b.png") no-repeat right center;
  cursor: pointer;
}
.box6 .content .form-container .form-top .form-city .list {
  display: none;
  position: absolute;
  bottom: -230px;
  right: 0;
  z-index: 10;
  width: 200px;
  max-height: 228px;
  overflow: auto;
  color: #333;
  background-color: #fff;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}
.box6 .content .form-container .form-top .form-city .list.show {
  display: block;
}
.box6 .content .form-container .form-top .form-city .list .option {
  font-size: 15px;
  padding: 0 12px;
  line-height: 36px;
  text-align: left;
  cursor: pointer;
}
.box6 .content .form-container .form-top .form-city .list .option:hover {
  background-color: rgba(26, 66, 153, 0.1);
}
.box6 .content .form-container .form-item {
  width: 100%;
  height: 56px;
  line-height: 56px;
  overflow: hidden;
  border: 1px solid #eee;
  border-radius: 28px;
  padding: 0 25px;
  font-size: 18px;
  margin-bottom: 20px;
}
.box6 .content .form-container .form-code {
  border: 1px solid #eee;
  border-radius: 28px;
  margin-bottom: 20px;
}
.box6 .content .form-container .form-code .form-item {
  margin: 0;
  border: none;
}
.box6 .content .form-container .form-code .kaptcha-code {
  padding: 0;
  border: none;
}
.box6 .content .form-container .form-code .kaptcha-btn {
  background-color: transparent;
  color: #1a4299;
  font-size: 18px;
  height: 56px;
  line-height: 56px;
  font-weight: 500;
  border: 0;
  transition: color 0.2s ease;
}
.box6 .content .form-container .form-code .kaptcha-btn:active {
  color: #0b1c42;
}
.box6 .content .form-container .form-course {
  padding-left: 8px;
  margin-bottom: 30px;
  display: flex;
  align-items: center;
}
.box6 .content .form-container .form-course .label {
  font-size: 18px;
  color: #333;
}
.box6 .content .form-container .form-course .course-list {
  display: flex;
  align-items: center;
}
.box6 .content .form-container .form-course .course-list .item {
  display: flex;
  align-items: center;
  font-size: 18px;
  color: #666;
  cursor: pointer;
}
.box6 .content .form-container .form-course .course-list .item.active .checkbox::before {
  content: "";
}
.box6 .content .form-container .form-course .course-list .item .checkbox {
  width: 20px;
  height: 20px;
  background: url("../images/checkbox.png") no-repeat left center;
  position: relative;
  margin-left: 12px;
  margin-right: 5px;
}
.box6 .content .form-container .form-course .course-list .item .checkbox::before {
  content: none;
  position: absolute;
  left: 2px;
  top: 2px;
  width: 20px;
  height: 15px;
  background: url("../images/checked.png") no-repeat center;
}
.box6 .content .form-container .submit {
  width: 100%;
  height: 56px;
  background: linear-gradient(to right, #00c9d7, #005bf7);
  border-radius: 28px;
  font-weight: 500;
  font-size: 18px;
  color: #fff;
}
.box6 .content .font {
  position: absolute;
  left: 50%;
  bottom: 25px;
  transform: translateX(-50%);
  width: 289px;
  height: 31px;
}

.box7 .cer-list .item {
  display: flex;
  flex-direction: column;
  align-items: center;
  box-sizing: border-box;
  width: 261px;
  height: 302px;
  padding: 7px;
  overflow: hidden;
  border: 1px solid #eee;
  border-radius: 20px;
}
.box7 .cer-list .item .img {
  width: 244px;
  height: 154px;
  margin-top: 32px;
  margin-bottom: 10px;
}
.box7 .cer-list .item .text {
  font-size: 16px;
  color: #666;
  line-height: 22px;
}

.box8 .list {
  padding-top: 50px;
  padding-right: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.box8 .list .item {
  display: flex;
  align-items: center;
  flex-direction: column;
  text-align: center;
}
.box8 .list .item .name {
  font-weight: 500;
  font-size: 22px;
  color: #333;
  padding-top: 20px;
  padding-bottom: 8px;
}
.box8 .list .item .des {
  font-size: 16px;
  color: #666;
  line-height: 22px;
}

.box9 .env-list .item .img {
  width: 258px;
  height: 172px;
  border-radius: 20px;
}
.box9 .env-list .item .name {
  font-size: 16px;
  color: #333;
  text-align: center;
  padding: 10px 20px 0 20px;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.ad-top {
  display: inline-block;
  width: 100%;
  min-width: 1200px;
  height: 66px;
  background: url("../images/ad-top.png") no-repeat center;
  background-size: cover;
  vertical-align: top;
}
.ad-top .btn {
  position: absolute;
  right: 20px;
  top: 5px;
  width: 102px;
  height: 66px;
  cursor: pointer;
}

.ad-bottom .ad-fixed {
  width: 243px;
  height: 165px;
  position: fixed;
  bottom: 0;
  left: -243px;
  z-index: 11;
  transform: scale(0.6);
  transition: all 0.2s ease;
  cursor: pointer;
}
.ad-bottom .ad-fixed.show {
  left: 0;
  transition-delay: 0.3s;
  transform: scale(1);
}
.ad-bottom .ad-form {
  position: fixed;
  bottom: 0;
  left: -100%;
  z-index: 10;
  width: 100%;
  min-width: 1200px;
  height: 165px;
  background: url("../images/ad-bottom.png") no-repeat center bottom;
  background-size: cover;
  transition: left 0.5s ease-in-out;
}
.ad-bottom .ad-form.show {
  left: 0;
}
.ad-bottom .ad-form .ad-box {
  display: flex;
  align-items: center;
  justify-content: space-evenly;
  position: relative;
}
.ad-bottom .ad-form .ad-box .close {
  position: absolute;
  right: 0;
  top: 62px;
  width: 24px;
  height: 24px;
  cursor: pointer;
  transition: transform 0.2s ease;
}
.ad-bottom .ad-form .ad-box .close:hover {
  transform: rotate(180deg);
}
.ad-bottom .ad-form .ad-box .form-container {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  box-sizing: border-box;
  padding-left: 230px;
  padding-top: 110px;
}
.ad-bottom .ad-form .ad-box .form-container .form-item {
  width: 182px;
  height: 44px;
  line-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background-color: #fff;
  margin-right: 12px;
  margin-bottom: 0;
  font-size: 16px;
  border-radius: 22px;
}
.ad-bottom .ad-form .ad-box .form-container .form-item input {
  background-color: transparent;
}
.ad-bottom .ad-form .ad-box .form-container .form-item .icon {
  margin-right: 8px;
}
.ad-bottom .ad-form .ad-box .form-container .select-item {
  position: relative;
  cursor: pointer;
}
.ad-bottom .ad-form .ad-box .form-container .select-item .current {
  display: block;
  width: 100%;
  padding-right: 15px;
  height: 100%;
  box-sizing: border-box;
  color: #333;
  background: url("../images/ad-b-arrow.png") no-repeat right center;
}
.ad-bottom .ad-form .ad-box .form-container .select-item .down {
  width: 14px;
  height: 14px;
  position: absolute;
  right: 15px;
  top: 50%;
  transform: translateY(-50%);
}
.ad-bottom .ad-form .ad-box .form-container .select-item .list {
  position: absolute;
  top: -225px;
  left: 10px;
  z-index: 10;
  display: none;
  width: 160px;
  max-height: 228px;
  overflow: auto;
  color: #333;
  background-color: #fafafa;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}
.ad-bottom .ad-form .ad-box .form-container .select-item .list.show {
  display: block;
}
.ad-bottom .ad-form .ad-box .form-container .select-item .list .option {
  padding-left: 12px;
  line-height: 36px;
  text-align: left;
  cursor: pointer;
}
.ad-bottom .ad-form .ad-box .form-container .select-item .list .option:hover {
  color: #fff;
  background-color: #ff9a16;
}
.ad-bottom .ad-form .ad-box .form-container .submit {
  width: 182px;
  height: 44px;
  line-height: 44px;
  background: #ff9a16;
  color: #fff;
  font-size: 20px;
  font-weight: bold;
  border-radius: 22px;
}
.ad-bottom .ad-form .ad-box .form-container .submit:active {
  background: #e28000;
}