html,
body {
  margin: 0;
  padding: 0;
}

.wrapper {
  width: 17.2rem;
  margin: 0 auto;
}

.page {
  background: url("../images/bg.jpg") no-repeat center top;
  background-size: cover;
}

.swiper .swiper-button-prev,
.swiper .swiper-button-next {
  width: 1.375rem;
  height: 1.375rem;
  border-radius: 50%;
}
.swiper .swiper-button-prev::after,
.swiper .swiper-button-next::after {
  content: none;
}
.swiper .swiper-button-prev {
  background: url("../images/prev.png") no-repeat center;
  background-size: contain;
}
.swiper .swiper-button-next {
  background: url("../images/next.png") no-repeat center;
  background-size: contain;
}

.banner {
  height: 12.5rem;
  background: url("../images/banner.jpg") center no-repeat;
  background-size: 100%;
}

.video {
  background: #fff;
  border-radius: 0.375rem;
  overflow: hidden;
}
.video .video-txt {
  padding: 1rem 0.4rem 0.5rem;
  background: url("../images/font.png") no-repeat center 0.5rem/2.55rem 0.85rem;
  font-size: 0.55rem;
  color: #000;
}
.video .swiper-slide {
  width: 100%;
  height: 9.75rem;
  margin: 0 auto;
  background-color: #d4d4d4;
  border-radius: 0.375rem;
}
.video .swiper-slide .player {
  width: 100%;
  height: 100%;
}

.box2 {
  margin-top: 1.2rem;
  height: 20.925rem;
  background: url("../images/box2.jpg") no-repeat center;
  background-size: 100%;
  border-radius: 0.375rem 0.375rem 0.75rem 0.75rem;
  overflow: hidden;
}

.box3 {
  margin-top: 1.2rem;
  width: 100%;
  border-radius: 0.375rem 0.375rem 0.75rem 0.75rem;
  overflow: hidden;
}
.box3 .box3-item {
  width: 100%;
  height: 16.35rem;
  border-radius: 0.375rem;
  overflow: hidden;
}
.box3 .box3-bottom {
  width: 100%;
  height: 23.075rem;
  background: url("../images/box3-bottom.png") no-repeat center;
  background-size: 100%;
  margin-top: -0.5rem;
  position: relative;
  z-index: 1;
}

.box4 {
  margin-top: 1.2rem;
  height: 14.475rem;
  background: url("../images/box4.jpg") no-repeat center;
  background-size: 100%;
  border-radius: 0.375rem;
  overflow: hidden;
}

.box5 {
  margin-top: 1.2rem;
  background: url("../images/course-bg.png") center no-repeat;
  background-size: 100%;
  height: 14.45rem;
  position: relative;
  border-radius: 0.375rem;
  overflow: hidden;
}
.box5 .list {
  position: relative;
  height: 9.5rem;
  margin-top: 4.6rem;
}
.box5 .list .item {
  position: absolute;
  height: 4.65rem;
  width: 5.15rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: url("../images/course-item.png") no-repeat center/100%;
}
.box5 .list .item:nth-child(1) {
  top: 0;
  left: 3.6rem;
}
.box5 .list .item:nth-child(2) {
  right: 3.6rem;
  top: 0;
}
.box5 .list .item:nth-child(3) {
  left: 0;
  top: 2.5rem;
}
.box5 .list .item:nth-child(4) {
  right: 0;
  top: 2.5rem;
}
.box5 .list .item:nth-child(5) {
  left: 3.6rem;
  bottom: 0;
}
.box5 .list .item:nth-child(6) {
  right: 3.6rem;
  bottom: 0;
}
.box5 .list .item .name {
  color: #fffaf7;
  padding: 0.2rem 0 0.3rem;
  font-size: 0.6rem;
}
.box5 .list .item .btn {
  background-color: #fff;
  color: #7d69fb;
  font-size: 0.5rem;
  padding: 0 0.25rem;
  border-radius: 1rem;
}
.box5 .list .item .course-img {
  height: 0.7rem;
  margin-bottom: 0.1rem;
}
.box5 .list .item .course-img + .name {
  padding: 0 0 0.1rem;
}

.box6 {
  margin-top: 1.2rem;
  width: 100%;
  height: 17.525rem;
  padding: 2.2rem 0;
  background: url("../images/box6-bg.png") no-repeat center/100%;
  box-sizing: border-box;
}
.box6 .title {
  width: 100%;
  height: 2.225rem;
  background: url("../images/box6-title.png") no-repeat center/100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 0.25rem;
  box-sizing: border-box;
}
.box6 .title .name {
  font-weight: bold;
  font-size: 0.65rem;
  color: #fff;
  text-align: center;
  width: 25%;
}
.box6 .title .name:nth-child(2) {
  width: 50%;
}
.box6 .list .item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 2.2rem;
  background: url("../images/box6-item.png") no-repeat center/100%;
  margin-top: -0.28rem;
  padding: 0 0.25rem;
  box-sizing: border-box;
  font-size: 0.55rem;
  color: #000;
}
.box6 .list .item .school {
  width: 25%;
  font-weight: bold;
  text-align: center;
}
.box6 .list .item .name {
  width: 50%;
  padding-right: 0.1rem;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.box6 .list .item .btn {
  width: 25%;
  height: 100%;
  background: url("../images/box6-btn.png") no-repeat center/2.7rem 0.875rem;
}
.box6 .coupon-pagination {
  text-align: center;
}
.box6 .coupon-pagination .swiper-pagination-bullet {
  opacity: 0.36;
  background-color: #fff;
}
.box6 .coupon-pagination .swiper-pagination-bullet.swiper-pagination-bullet-active {
  opacity: 1;
}

.box7 {
  margin-top: 1.2rem;
  width: 100%;
  height: 21.325rem;
  background: url("../images/box7.png") no-repeat center/100%;
}
.box7 .des {
  padding: 2.2rem 0.25rem 0.5rem;
  font-size: 0.55rem;
  color: #000;
  line-height: 0.8rem;
}
.box7 .des span {
  font-weight: bold;
}
.box7 .box7-swiper {
  margin: 0 0.25rem;
}
.box7 .book-item {
  display: flex;
  align-items: center;
  flex-direction: column;
  height: 12.5rem;
}
.box7 .book-item .title {
  font-size: 0.75rem;
  font-weight: bold;
  color: #992fef;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-bottom: 0.5rem;
}
.box7 .book-item .title .num {
  background: url("../images/book-icon.png") no-repeat center;
  background-size: 1.45rem 1.25rem;
  width: 1.5rem;
  height: 1.5rem;
  padding-left: 0.35rem;
  line-height: 1.5rem;
}
.box7 .book-item .img1 {
  height: 9.775rem;
}
.box7 .book-item .img2 {
  height: 10.65rem;
}
.box7 .book-item .img3 {
  height: 10.675rem;
}
.box7 .book-item .img4 {
  height: 9.65rem;
}
.box7 .book-item .img5 {
  height: 10.7rem;
}
.box7 .book-item .img6 {
  height: 11.575rem;
}

.box8 {
  margin-top: 1.2rem;
  height: 13.925rem;
  background: url("../images/box8.png") no-repeat center;
  background-size: 100%;
  border-radius: 0.375rem;
  overflow: hidden;
}

.box9 {
  margin-top: 1.2rem;
}
.box9 .form-container {
  width: 100%;
}
.box9 .form-container .form-item {
  border: 1px solid #cdcdcd;
  height: 1.8rem;
  line-height: 1.7rem;
  padding-left: 1.3rem;
  font-size: 0.55rem;
}
.box9 .form-container .form-item.form-item-name {
  background: #fff url("../images/icon1.png") no-repeat 0.5rem center/0.525rem 0.6rem;
}
.box9 .form-container .form-item.form-item-phone {
  background: #fff url("../images/icon2.png") no-repeat 0.5rem center/0.425rem 0.6rem;
}
.box9 .form-container .form-item.form-item-city {
  background: #fff url("../images/icon4.png") no-repeat 0.4rem center/0.65rem 0.625rem;
}
.box9 .form-container .form-item input::-webkit-input-placeholder {
  color: #757575;
}
.box9 .form-container .form-item .city-txt {
  color: #757575;
  display: block;
  font-size: 0.55rem;
}
.box9 .form-container .form-item .city-txt.show {
  color: #000;
}
.box9 .form-container .form-code .kaptcha-code {
  width: 68%;
  height: 1.8rem;
  border: 1px solid #cdcdcd;
  background: #fff url("../images/icon3.png") no-repeat 0.5rem center/0.5rem 0.625rem;
  padding-left: 1.3rem;
}
.box9 .form-container .form-code .kaptcha-btn {
  width: 30%;
  height: 1.8rem;
  background-color: #beb4fd !important;
  font-size: 0.55rem;
}
.box9 .form-container .submit {
  height: 1.8rem;
  background: linear-gradient(to right, #ffc449, #ff641b) !important;
  font-size: 0.65rem;
}

.footer-info {
  text-align: center;
  font-size: 0.55rem;
  font-weight: bold;
  color: #fff;
  padding: 1rem 0 3rem;
}

.nav-box {
  position: fixed;
  top: 21%;
  right: 0;
  z-index: 999;
  width: 4.95rem;
  height: 18.25rem;
}
.nav-box .nav-bg {
  position: relative;
  box-sizing: border-box;
  width: 4.95rem;
  height: 18.25rem;
  padding-top: 5.5rem;
  background: url("../images/nav-bg.png") center no-repeat;
  background-size: 100% 100%;
}
.nav-box .nav-bg .nav-close {
  position: absolute;
  top: 0;
  right: 0.075rem;
  width: 0.75rem;
  height: 0.75rem;
  cursor: pointer;
}
.nav-box .nav-bg .nav-list {
  padding: 0 0.3rem;
}
.nav-box .nav-bg .nav-list li {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 4.25rem;
  height: 1.45rem;
  margin-bottom: 0.015rem;
  color: #000;
  font-weight: bold;
  font-size: 0.4rem;
  line-height: 0.5rem;
  text-align: center;
  cursor: pointer;
}
.nav-box .nav-bg .nav-list li.active {
  margin-top: -0.25rem;
  width: 4.55rem;
  height: 1.775rem;
  color: #fef3ca;
  background: url("../images/nav-active.png") center no-repeat;
  background-size: 100% 100%;
}
.nav-box .nav-bg .nav-list li.active p:first-child {
  margin-top: -0.125rem;
}
.nav-box .nav-bg .nav-list li p:first-child {
  margin-top: -0.17rem;
}
.nav-box .nav-bg .nav-top {
  width: 100%;
  height: 0.6rem;
  background: url("../images/nav-up.png") no-repeat center/0.525rem 0.275rem;
}