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

.page {
  width: 100%;
  background: #A8140B url("../images/bg.jpg") no-repeat top;
  background-size: 100%;
}

.wrapper {
  width: 17.5rem;
  margin: 0 auto;
}

.swiper-button {
  width: 0.8rem;
  height: 1.5rem;
  color: #fff;
  background: rgba(0, 0, 0, 0.4);
  border-radius: 0.45rem;
}

.swiper-button::after {
  font-size: 0.7rem;
}

.swiper-button.swiper-button-prev {
  left: 0;
}

.swiper-button.swiper-button-next {
  right: 0;
}

.swiper-pagination {
  position: relative;
  bottom: 1.6rem;
  z-index: 2;
  text-align: center;
}

.swiper-pagination .swiper-pagination-bullet {
  width: 0.4rem;
  height: 0.4rem;
  background: rgba(0, 0, 0, 0.5);
}

.banner {
  height: 12rem;
  background: url("../images/banner.jpg") no-repeat top;
  background-size: 100%;
}

.box1 {
  display: flex;
  justify-content: center;
  margin-top: 0.4rem;
  padding-top: 9.5rem;
  padding-bottom: 1.3rem;
  background: url("../images/box1-bg.png") no-repeat top/100% 17.65rem;
}

.box1 .player {
  width: 17.5rem;
  height: 9.7rem;
  overflow: hidden;
  background-color: #fff;
  border-radius: 0.6rem;
}

.box2 {
  padding-top: 1.3rem;
}

.box2-title {
  position: relative;
  z-index: 2;
  height: 1.8rem;
  background: url("../images/box2-title.png") no-repeat center;
  background-size: 13.5rem 100%;
}

.box2-content {
  position: relative;
  width: 100%;
  margin-top: -0.9rem;
  padding-top: 1.3rem;
  padding-bottom: 0.5rem;
  background-color: #fff;
  border-radius: 0.75rem;
}

.box2-content .img-box {
  position: relative;
  height: 54.175rem;
  overflow: hidden;
  transition: height 0.3s ease-in-out;
}

.box2-content .img-box .img1 {
  height: 24.25rem;
  background: url("../images/box2-1.jpg") no-repeat center;
  background-size: 100%;
}

.box2-content .img-box .img2 {
  height: 29.925rem;
  background: url("../images/box2-2.jpg") no-repeat center;
  background-size: 100%;
}

.box2-content .img-box .img3 {
  height: 40.625rem;
  background: url("../images/box2-3.jpg") no-repeat center;
  background-size: 100%;
}

.box2-content .img-box .img4 {
  height: 16.3rem;
  background: url("../images/box2-4.jpg") no-repeat center;
  background-size: 100%;
}

.box2-content .img-box .img5 {
  height: 43.4rem;
  background: url("../images/box2-5.jpg") no-repeat center;
  background-size: 100%;
}

.box2-content .img-box.show {
  height: 154.5rem;
}

.box2-content .img-box.show + .icon {
  display: none;
}

.box2-content .icon {
  position: absolute;
  bottom: 1.8rem;
  left: -0.28rem;
  width: 1rem;
  height: 0.75rem;
  background: url("../images/box2-icon.png") no-repeat center;
  background-size: 100%;
}

.box2-content .more {
  position: relative;
  display: none;
  justify-content: center;
  width: fit-content;
  height: 1.8rem;
  margin: 0 auto;
  color: #E1313C;
  font-size: 0.65rem;
  cursor: pointer;
}

.box2-content .more.show {
  display: flex;
}

.box2-content .more::after {
  position: absolute;
  left: 50%;
  width: 0.775rem;
  height: 0.475rem;
  margin-left: -0.45rem;
  background: url("../images/more.png") no-repeat center/100%;
  content: "";
}

.box2-content .more.unfold {
  align-items: start;
}

.box2-content .more.unfold::after {
  bottom: 0;
}

.box2-content .more.retract {
  align-items: end;
}

.box2-content .more.retract::after {
  top: 0;
  bottom: auto;
  transform: rotate(180deg);
}

.box3 {
  padding-top: 1.3rem;
}

.box3-title {
  position: relative;
  z-index: 2;
  height: 1.8rem;
  background: url("../images/box3-title.png") no-repeat center;
  background-size: 13.5rem 100%;
}

.box3-swiper {
  position: relative;
  height: 19.1rem;
  margin-top: -0.9rem;
  border-radius: 0.75rem;
}

.box3-swiper .img {
  width: 100%;
}

.box3-swiper .box3-pagination {
  bottom: 1.6rem;
}

.box4 {
  padding-top: 1.3rem;
}

.box4-title {
  position: relative;
  z-index: 2;
  height: 1.8rem;
  background: url("../images/box4-title.png") no-repeat center;
  background-size: 16.9rem 100%;
}

.box4-content {
  width: 100%;
  height: 17.15rem;
  margin-top: -0.9rem;
  overflow: hidden;
  background: url("../images/box4-bg.png") no-repeat center;
  background-size: 100%;
  border-radius: 0.75rem;
}

.box5 {
  padding-top: 1.1rem;
}

.box5-title {
  position: relative;
  z-index: 2;
  height: 1.8rem;
  background: url("../images/box5-title.png") no-repeat center;
  background-size: 17.425rem 100%;
}

.box5-content {
  position: relative;
  box-sizing: border-box;
  width: 100%;
  height: 12.35rem;
  margin-top: -0.9rem;
  padding-top: 1.5rem;
  overflow: hidden;
  background: url("../images/box5-bg.png") no-repeat center;
  background-size: 100%;
  border-radius: 0.75rem;
}

.box5-desc {
  color: #757575;
  font-weight: bold;
  font-size: 0.55rem;
  text-align: center;
}

.box5-swiper {
  text-align: center;
}

.box5-swiper .teacher-list {
  align-items: center;
  height: 9rem;
}

.box5-swiper .teacher-list .teacher-item {
  display: flex;
  align-items: center;
  box-sizing: border-box;
  padding: 0 1rem;
  color: #757575;
  font-size: 0.55rem;
  line-height: 1rem;
  text-align: left;
}

.box5-swiper .teacher-list .teacher-item.item1 {
  padding-right: 0.5rem;
  padding-left: 0.2rem;
  font-size: 0.45rem;
  line-height: 0.8rem;
}

.box5-swiper .teacher-list .teacher-item img {
  width: 5rem;
  margin-right: 0.5rem;
}

.box5-swiper .teacher-list .teacher-item .teacher-name {
  color: #000;
  font-size: 0.65rem;
}

.box5-swiper .teacher-list .teacher-item .teacher-name span {
  display: inline-block;
  padding: 0 0.3rem;
  color: #fff;
  font-size: 0.55rem;
  line-height: 0.8rem;
  background: linear-gradient(-65deg, #fcc136, #f05b38);
  border-radius: 0 0.4rem;
}

.box5-swiper .teacher-list .teacher-item p {
  position: relative;
  padding-left: 0.3rem;
}

.box5-swiper .teacher-list .teacher-item p::before {
  position: absolute;
  top: 0.4rem;
  left: 0;
  width: 0.1rem;
  height: 0.1rem;
  background: #757575;
  content: "";
}

.box6 {
  padding-top: 1.3rem;
}

.box6-title {
  position: relative;
  z-index: 2;
  height: 1.8rem;
  background: url("../images/box6-title.png") no-repeat center;
  background-size: 17.4rem 100%;
}

.box6-content {
  position: relative;
  box-sizing: border-box;
  width: 100%;
  height: 19.5rem;
  margin-top: -0.9rem;
  padding-top: 1.5rem;
  overflow: hidden;
  background: url("../images/box6-bg.png") no-repeat center;
  background-size: 100%;
  border-radius: 0.75rem;
}

.box6-desc {
  padding: 0 0.4rem;
  color: #000;
  font-size: 0.55rem;
  line-height: 0.8rem;
  opacity: 0.9;
}

.box6-swiper {
  text-align: center;
}

.box6-swiper .book-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.box6-swiper .book-item .title {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 0;
  color: #A8140B;
  font-weight: bold;
  font-size: 0.75rem;
}

.box6-swiper .book-item .title .num {
  width: 1.5rem;
  height: 1.5rem;
  padding-left: 0.35rem;
  line-height: 1.5rem;
  text-align: left;
  background: url("../images/box6-icon.png") no-repeat center;
  background-size: 1.45rem 1.25rem;
}

.box6-swiper .book-item .img1 {
  height: 8.2rem;
}

.box6-swiper .book-item .img2 {
  height: 9.2rem;
}

.box6-swiper .book-item .img3 {
  height: 9.475rem;
}

.box6-swiper .book-item .img4 {
  height: 9.125rem;
}

.box6-swiper .book-item .img5 {
  height: 9.625rem;
}

.box6-swiper .book-item .img6 {
  height: 9.625rem;
}

.box7 {
  padding-top: 1.1rem;
}

.box7-title {
  position: relative;
  z-index: 2;
  height: 1.8rem;
  background: url("../images/box7-title.png") no-repeat center;
  background-size: 12.65rem 100%;
}

.box7-content {
  position: relative;
  width: 100%;
  height: 45.1rem;
  margin-top: -0.9rem;
  overflow: hidden;
  background: url("../images/box7-bg.png") no-repeat center;
  background-size: 100%;
  border-radius: 0.75rem;
}

.box7-img {
  width: 16.75rem;
  height: 14.9rem;
  margin: 2rem auto 0.7rem;
  background: url("../images/box7-img.png") no-repeat center;
  background-size: 100%;
}

.box7 .coupon-title {
  color: #171113;
  font-size: 0.95rem;
  text-align: center;
}

.box7 .list .item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 2.1rem;
  margin: 0 0.2rem;
  padding: 0 0.5rem 0 0.2rem;
}

.box7 .list .item:nth-child(odd) {
  background: #fff;
}

.box7 .list .item:nth-child(even) {
  background: #f8f8f8;
}

.box7 .list .item .name {
  flex: 1;
  padding-right: 0.1rem;
  overflow: hidden;
  color: #000;
  font-weight: bold;
  font-size: 0.55rem;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.box7 .list .item .name span {
  color: #f12811;
}

.box7 .list .item .btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3.2rem;
  height: 1.05rem;
  color: #fff;
  font-size: 0.5rem;
  background: linear-gradient(90deg, #E40002, #FEBC72);
  border-radius: 0.2rem;
}

.box7 .box7-pagination {
  bottom: 0.2rem;
}

.box8 {
  padding-top: 1.3rem;
}

.box8-title {
  position: relative;
  z-index: 2;
  height: 1.8rem;
  background: url("../images/box8-title.png") no-repeat center;
  background-size: 13.9rem 100%;
}

.box8-content {
  position: relative;
  box-sizing: border-box;
  width: 100%;
  height: 12.575rem;
  margin-top: -0.9rem;
  padding-top: 1.5rem;
  overflow: hidden;
  background: url("../images/box8-bg.png") no-repeat center;
  background-size: 100%;
  border-radius: 0.75rem;
}

.box8-content .item {
  display: flex;
  box-sizing: border-box;
  width: 100%;
  height: 2.5rem;
  padding-left: 0.5rem;
}

.box8-content .item:nth-child(odd) {
  background: rgba(253, 163, 163, 0.15);
}

.box8-content .item:first-child .content {
  border-top: 1px dotted rgba(231, 90, 37, 0.4);
}

.box8-content .item .content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-sizing: border-box;
  width: 100%;
  border-bottom: 1px dotted rgba(231, 90, 37, 0.4);
}

.box8-content .item .content .title {
  flex: 1;
  overflow: hidden;
  color: #000;
  font-weight: bold;
  font-size: 0.55rem;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.box8-content .item .content .btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3.2rem;
  height: 1.05rem;
  margin: 0 0.45rem;
  color: #fff;
  font-size: 0.5rem;
  background: linear-gradient(90deg, #E40002, #FEBC72);
  border-radius: 0.2rem;
}

.box9 {
  padding-top: 1.3rem;
}

.box9-title {
  height: 1.8rem;
  background: url("../images/box9-title.png") no-repeat center;
  background-size: 14.4rem 100%;
}

.box9-content {
  width: 100%;
  height: 8.825rem;
  margin-top: 0.55rem;
  overflow: hidden;
  background: url("../images/box9-img.png") no-repeat center;
  background-size: 100%;
}

.box10 {
  position: relative;
  margin-top: 3rem;
  padding: 1rem;
  background-color: #fff;
  border-radius: 0.75rem;
}

.box10 .logo {
  position: absolute;
  top: -2.8rem;
  left: 50%;
  width: 3.675rem;
  height: 3.675rem;
  transform: translateX(-50%);
}

.box10 .form-container {
  width: 100%;
}

.box10 .form-container .form-item {
  height: 2.1rem;
  margin-bottom: 0.4rem;
  padding-left: 1.3rem;
  font-size: 0.55rem;
  line-height: 2.1rem;
  border: none;
  border-radius: 0.2rem;
}

.box10 .form-container .form-item input {
  width: 100%;
  height: 100%;
  background: transparent;
  border: none;
}

.box10 .form-container .form-item.form-item-name {
  background: #F4F4F4 url("../images/icon1.png") no-repeat 0.5rem center/0.525rem 0.6rem;
}

.box10 .form-container .form-item.form-item-phone {
  background: #F4F4F4 url("../images/icon3.png") no-repeat 0.5rem center/0.425rem 0.6rem;
}

.box10 .form-container .form-item.form-item-city {
  background: #F4F4F4 url("../images/icon2.png") no-repeat 0.4rem center/0.65rem 0.625rem;
}

.box10 .form-container .form-item input::-webkit-input-placeholder {
  color: #757575;
}

.box10 .form-container .form-item .city-txt {
  display: block;
  color: #757575;
  font-size: 0.55rem;
}

.box10 .form-container .form-item .city-txt.show {
  color: #000;
}

.box10 .form-container .kaptcha-code {
  flex: 1;
  height: 2.1rem;
  padding-left: 1.3rem;
  background: #F4F4F4 url("../images/icon4.png") no-repeat 0.5rem center/0.5rem 0.625rem;
  border: none;
}

.box10 .form-container .kaptcha-btn {
  width: 4.6rem;
  height: 2.1rem;
  margin-left: 0.2rem;
  color: #fff;
  font-size: 0.55rem;
  background: #757575 !important;
}

.box10 .form-container .submit {
  height: 2.1rem;
  font-size: 0.95rem;
  background: #CF1F18 !important;
  border-radius: 0.2rem;
}

.footer {
  padding: 1.2rem 0;
  color: #fff;
  font-size: 0.55rem;
  line-height: 0.9rem;
  text-align: center;
}

.nav {
  position: sticky;
  top: 2.5rem;
  z-index: 90;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-sizing: border-box;
  width: 100%;
  height: 2.2rem;
  padding: 0 0.6rem;
  background-color: #920602;
}

.nav .nav-item {
  display: flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  width: 2.7rem;
  height: 1.55rem;
  color: #fff;
  font-size: 0.55rem;
  line-height: 0.6rem;
  text-align: center;
  background-color: #D7011F;
  border-radius: 0.6rem;
}

.nav .nav-item.active {
  color: #d71e2e;
  background: linear-gradient(264deg, #FFC995, #FFF1DB, #FFB87F);
}