body {
  position: relative;
  overflow-x: hidden;
}

nav {
  height: 80px;
  z-index: 9;
}

.hide {
  display: none;
}

.mb-navbar-nav {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  padding: 0 20px;
  z-index: 19;
  background-color: #000000c9 !important;
}

a.none {
  text-decoration: none;
}
a.none:link {
  text-decoration: none;
}
a.none:visited {
  text-decoration: none;
}
a.none:hover {
  text-decoration: none;
}
a.none:active {
  text-decoration: none;
}
a.none:focus {
  text-decoration: none;
}

.mb-nav-close {
  width: 1.4rem;
  margin-top: 6px;
  margin-left: 110px;
  cursor: pointer;
  color: #fff;
}
.mb-nav-close::before {
  content: "\2716";
  color: #fff;
}

.nav-menu {
  width: 60px;
  cursor: pointer;
}

.mb-navbar-nav ul {
  padding: 0;
}

.mb-nav-item {
  color: #fff;
  padding: 10px 6px 10px 6px;
}

.mb-nav-item::marker {
  content: "";
}

.mb-nav-item .nav-link {
  font-size: 1.2rem;
  color: #fff;
}

.mb-nav-item:nth-child(1) {
  margin-top: 36px;
}

.nav-menu span:nth-child(1) {
  width: 40px;
  height: 4px;
  background-color: #ecf0f1;
  display: block;
  transition: all 0.3s ease-in-out;
  border-radius: 2px;
}
.nav-menu span:nth-child(2) {
  width: 30px;
  height: 4px;
  background-color: #ecf0f1;
  display: block;
  margin-top: 10px;
  transition: all 0.3s ease-in-out;
  border-radius: 2px;
}
.nav-menu span:nth-child(3) {
  width: 20px;
  height: 4px;
  background-color: #ecf0f1;
  display: block;
  margin-top: 10px;
  transition: all 0.3s ease-in-out;
  border-radius: 2px;
}

.navbar-brand {
  padding: 0 40px;
}

.navbar-brand .pc-logo {
  width: 125px;
  height: 44px;
}

.navbar-dark .navbar-nav .nav-link {
  color: rgb(255 255 255 / 90%);
  /* white-space: nowrap; */
}

.nav-item {
  padding: 0.6rem 0.4rem;
  font-size: 18px;
  font-weight: 400;
  color: #fff;
  padding-left: 20px;
  padding-right: 20px;
}

.bg-black {
  background-color: #000 !important;
}

.index-container {
  background-size: cover;
  background-attachment: fixed;
  /* padding: 20rem 0; */
  position: relative;
  min-height: calc(100vh - 80px);
}

.index-container-opacity::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  right: 0;
  bottom: 0;
  opacity: 0.5;
  background-color: #000000;
}

.index-container-bg {
  position: absolute;
  width: 100%;
  height: 100%;
  left: 0;
  top: 0;
  right: 0;
  bottom: 0;
}

.index-container-bg img {
  width: 100%;
  height: 100%;
}

.index-container-wrapper {
  display: flex;
  justify-content: center;
  flex-direction: column;
  align-items: center;
}

.index-title-1 {
  font-size: 46px;
  font-family: PingFangSC-Regular, PingFang SC, sans-serif;
  font-weight: 600;
  color: #ffffff;
  text-align: center;
}

.index-title-2 {
  font-size: 28px;
  font-family: PingFangSC-Regular, PingFang SC, sans-serif;
  color: rgba(255, 255, 255, 0.85);
  font-weight: 100;
  margin-top: 10px;
  margin-bottom: 40px;
  text-align: center;
}

.btn-info {
  border-radius: 0;
  width: 14rem;
  padding: 0.8rem 0;
  background-color: #0c6dff;
  color: #fff;
  border: 2px solid #0c6dff;
  border-radius: 6px;
  width: 180px;
  height: 58px;
}

.btn-info:hover,
.btn-info:active,
.btn-info:focus {
  color: #fff;
  background-color: #0346ab !important;
  border-color: #0346ab !important;
  box-shadow: none !important;
}

.lesson-container {
  padding: 10rem 0;
  background-image: url(../img/lesson-1.jpg);
  background-size: cover;
}

.main-container {
  max-width: 1130px;
}

.lesson-item {
  background: #0c6dff;
  margin: 0 15px 30px 15px;
  max-width: 100%;
}

.lesson-item-wrapper {
  width: 460px;
  padding: 20px;
}

.white-title-1 {
  font-size: 46px;
  font-weight: 600;
  font-family: AlibabaPuHuiTi_2_55_Regular, sans-serif;
  color: #ffffff;
  line-height: 60px;
  text-align: center;
}

.white-title-2 {
  font-size: 16px;
  font-family: PingFangSC-Regular, PingFang SC, sans-serif;
  font-weight: 400;
  color: #ffffff80;
  line-height: 26px;
  margin-top: 20px;
  margin-bottom: 80px;
}

.white-title-3 {
  font-size: 20px;
  font-family: PingFangSC-Semibold, PingFang SC;
  font-weight: 600;
  color: #ffffff;
  line-height: 38px;
  margin-top: 40px;
}

.white-title-4 {
  font-size: 14px;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.79);
  line-height: 22px;
  margin-top: 8px;
  margin-bottom: 60px;
}

.black-title-1 {
  font-size: 42px;
  font-weight: 600;
  font-family: AlibabaPuHuiTi_2_55_Regular, sans-serif;
  color: #000000;
  line-height: 38px;
  text-align: center;
}

.black-title-2 {
  font-size: 16px;
  font-family: PingFangSC-Regular, PingFang SC, sans-serif;
  font-weight: 400;
  color: #00000080;
  line-height: 26px;
  margin-top: 20px;
  margin-bottom: 40px;
}

.black-title-3 {
  font-size: 20px;
  font-family: PingFangSC-Semibold, PingFang SC;
  font-weight: 600;
  color: #000000;
  line-height: 38px;
  margin-top: 40px;
}

.black-title-4 {
  font-size: 14px;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: rgba(0, 0, 0, 0.5);
  line-height: 22px;
  margin-top: 8px;
  margin-bottom: 60px;
}

.lesson-item-title {
  font-size: 20px;
  font-family: Helvetica;
  color: #ffffff;
  line-height: 32px;
  padding-bottom: 6px;
}

.lesson-item-title-base {
  font-size: 20px;
  font-family: Helvetica;
  color: #ffffff;
  line-height: 32px;
  padding: 20px 20px 0 20px;
}

.lesson-item-title-base-sub {
  font-size: 14px;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: #ffffff80;
  line-height: 22px;
  padding: 0 20px 0 20px;
}

.lesson-item-intro {
  font-size: 14px;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: #ffffff;
  line-height: 22px;
}

.lesson-item-intro-p {
  padding-top: 20px;
}

.lesson-item-intro-t {
  color: #ffffffcc !important;
}

.lesson-item-title-p {
  padding-top: 14px;
}

.sgin-container,
.process-container,
.common-container {
  padding: 10rem 0;
}

.sign-info-title {
  font-size: 20px;
  font-family: Helvetica;
  color: #000000;
  line-height: 38px;
}

.sign-info-title-mt {
  margin-top: 30px;
}

.sign-info-content {
  font-size: 16px;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: #00000080;
  line-height: 26px;
}

.btn-sign-container {
  margin-top: 80px;
}

.choose-container {
  padding: 10rem 0;
  background-image: url(../img/bg-1.jpg);
  background-size: cover;
}

.choose-title-1 {
  font-size: 42px;
  font-family: AlibabaPuHuiTi_2_55_Regular, sans-serif;
  color: #ffffff;
  line-height: 38px;
}

.choose-title-2 {
  font-size: 16px;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: #ffffff80;
  line-height: 26px;
  margin-top: 20px;
  margin-bottom: 80px;
}

.choose-item {
  padding: 0 4rem;
}

.choose-info-title {
  font-size: 20px;
  font-family: Helvetica;
  color: #ffffff;
  line-height: 38px;
}

.choose-info-title-mt {
  margin-top: 30px;
}

.choose-info-content {
  font-size: 16px;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: #ffffff80;
  line-height: 26px;
}

.choose-info-content-mb {
  margin-bottom: 30px;
}

.process-info-content {
  font-size: 16px;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: #00000080;
  line-height: 26px;
}

.process-item,
.sgin-container-wrapper {
  width: 730px;
}

.process-info-content-mt {
  margin-top: 20px;
}

.img-process-container {
  margin-top: 80px;
  width: 150px;
}

.footer {
  position: relative;
  height: 72px;
  max-width: 100%;
  color: #fff;
  background-color: #000;
}

.footer .link {
  color: #fff !important;
}

.footer span {
  padding: 0 2rem;
  font-weight: 300;
  font-size: 0.9rem;
  white-space: nowrap;
}

.address-container {
  padding: 3rem 0;
  background-image: url(../img/address-cover.jpg);
  background-size: cover;
  color: #fff;
}

.address-container .consult p {
  margin-top: 2rem;
}

.address-container .consult-img {
  max-width: 150px;
  margin: 0 20px;
}

.address-container .consult-img img {
  margin-top: 2rem;
}

.completioninfo {
  width: 480px;
}

.moreqrcode {
  width: 400px;
}

.box-shadows {
  transition: all 0.2s linear;
}

.box-shadows:hover {
  /* transform: translate(0, -1px); */
  /* box-shadow: 0 2px 24px rgb(0 0 0 / 43%); */
}

.box-shadows-w {
  transition: all 0.2s linear;
}

.box-shadows-w:hover {
  /* transform: translate(0, -1px); */
  /* box-shadow: 0 2px 24px rgb(255 255 255 / 65%); */
}

.transform-scale {
  transition: all 0.4s linear;
}

.transform-scale:hover {
  transform: scale(1.16);
  box-shadow: 0 2px 24px rgb(0 0 0 / 43%);
}

.course-title {
  height: 32px;
  font-size: 24px;
  font-family: sans-serif;
  font-weight: 600;
  color: #000000;
  line-height: 32px;
}

.course-title-sub {
  font-size: 0.9rem;
  color: rgba(0, 0, 0, 80%) !important;
}

.course-item {
  padding-bottom: 70px;
}

.course-title-sub {
  line-height: 1.8rem;
  padding: 0 4rem;
}

.course-item img {
  width: 3rem;
  margin-bottom: 1rem;
}

.class-container {
  padding: 10rem 0;
  background-image: url(../img/class-cover.jpg);
  background-size: cover;
}

.class-item {
  width: 100%;
  position: relative;
}

.class-item .class-item-title {
  height: 61px;
  font-size: 44px;
  font-family: Helvetica;
  color: #ffffff;
  line-height: 54px;
}

.class-item .class-item-intro {
  font-size: 19px;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.79);
  line-height: 28px;
}

.class-item .class-item-link {
  position: absolute;
  bottom: 50px;
  left: 20px;
}

.class-item .class-item-btn {
  padding: 4px 22px;
  font-size: 20px;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 100;
  color: rgba(255, 255, 255, 0.79);
  line-height: 28px;
  border-radius: 28px;
  border: 1px solid #ffffff;
}

.class-item .class-item-btn:hover {
  color: #0c6dff;
  background-color: #fff;
}

.teacher-info-wrapper {
  width: 100%;
}

.teacher-info-img {
  width: 100%;
  background-color: rgba(216, 216, 216, 0.6);
  display: flex;
  flex-direction: column;
  justify-content: end;
  align-items: center;
}

.teacher-info-name {
  margin-top: 18px;
  font-size: 30px;
  font-family: PingFangSC-Semibold, PingFang SC;
  font-weight: 600;
  color: #000000;
  line-height: 38px;
}

.teacher-info-name span {
  font-size: 16px;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 600;
  color: #000000;
  line-height: 28px;
  padding-left: 30px;
}

.teacher-info-job {
  height: 28px;
  font-size: 20px;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: #000000;
  line-height: 28px;
}

.teacher-info-desc {
  font-size: 16px;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: #000000;
  line-height: 26px;
  padding-right: 20px;
}

.company-container {
  padding: 10rem 0;
  background-image: url(../img/company-cover.jpg);
  background-size: cover;
}

.mb20 {
  margin-bottom: 20px;
}

.salary-container {
  padding: 10rem 0;
  background-color: #090d10;
  background-size: cover;
}

.offer-container {
  padding: 10rem 0;
  background-image: url(../img/offer-cover.jpg);
  background-size: cover;
}

.offer-item {
  margin-bottom: 32px;
  position: relative;
}

.offer-item img {
  transition: all 0.5s linear;
}

.offer-item img:hover {
  transform: scale(1.3, 1.3);
}

.offer-item-salary {
  font-size: 16px;
  font-family: PingFangSC-Semibold, PingFang SC;
  font-weight: 600;
  color: #ffffff;
  line-height: 38px;
}

.offer-item-salary span {
  margin-left: 10px;
}

.offer-item-salary-sub {
  font-size: 14px;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: #bcbcbc;
}

.daily-container,
.intro-container {
  padding: 10rem 0;
}

.daily-img-title {
  text-align: center;
  font-size: 14px;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: rgba(0, 0, 0, 0.5);
  line-height: 22px;
  padding-top: 10px;
  padding-bottom: 30px;
}

.dormitory-container {
  padding: 10rem 0;
  background-image: url(../img/dormitory-cover.jpg);
  background-size: cover;
}

.intro-title {
  padding-top: 26px;
  font-size: 20px;
  font-family: PingFangSC-Semibold, PingFang SC;
  font-weight: 600;
  color: #000000;
  line-height: 38px;
}

.intro-title-sub {
  padding-top: 10px;
  font-size: 14px;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: rgba(0, 0, 0, 0.5);
  line-height: 22px;
}

.faq-container {
  padding: 4rem 0;
  background-color: #f0f2f5;
}

.faq-container .faq-qtype-title {
  padding-bottom: 20px;
}

.faq-container .section-title {
  color: #000;
}
.faq-container .section-title span {
  font-size: 1rem;
  font-weight: 400;
  color: rgba(0, 0, 0, 0.7);
  padding-left: 2rem;
}

.faq-container .btn-more {
  border-radius: 0;
  width: 14rem;
  padding: 0.8rem 0;
  border: 2px solid #000;
  font-weight: 600;
  margin-top: 6rem;
}

.faq-container .qtype {
  font-size: 1.2rem;
  color: rgba(0, 0, 0, 0.3);
  display: inline-block;
  cursor: pointer;
}

.faq-container .col-8 p:nth-child(1) {
  border-bottom: 1px solid #0000001f;
  padding-bottom: 2.8rem;
  margin-bottom: 0;
}

.faq-container .qtype.qactive {
  color: #000;
  font-weight: 600;
}

.faq-container .qtype:nth-child(2) {
  margin-left: 3rem;
}

.faq-container .qtype.qactive::after {
  content: " ";
  width: 3.8rem;
  height: 2px;
  margin: 0 auto;
  margin-top: 20px;
  display: block;
  background-color: #979797ff;
}

.faq-container .faq-content-1 {
  border-top: 1px solid #0000001f;
}

.faq-container .faq-content {
  border-bottom: 1px solid #0000001f;
}

.faq-container .question {
  font-size: 1.2rem;
  color: #000;
  font-weight: 600;
  padding-top: 1.6rem;
  padding-bottom: 1.6rem;
}

.faq-container .answer {
  font-size: 16px;
  font-family: PingFangSC-Regular, PingFang SC;
  color: #000;
  font-weight: 400;
  padding-bottom: 2rem;
}

.scan-code {
  display: none;
  width: 180px;
  margin-bottom: 12px;
}

.layui-layer-title {
  border-bottom: 0px !important;
}

@keyframes liner {
  from {
    width: 0;
  }
  to {
    width: 100%;
  }
}

.swiper-pagination-bullet {
  width: 80px !important;
  height: 3px !important;
  margin: 0 !important;
  border-radius: 0 !important;
  text-align: center;
  line-height: 20px;
  font-size: 12px;
  color: #000;
  opacity: 1;
  background: rgba(0, 0, 0, 0.2);
}

.student .swiper-pagination-bullet {
  width: 90px !important;
}

.swiper-pagination-bullet-active {
  color: #fff;
  background: rgba(0, 0, 0, 0.2) !important;
  position: relative;
  /* background: rgba(0, 0, 0, 0.9) !important; */
}

.swiper-pagination-bullet-active::after {
  content: " ";
  animation: liner 3s;
  position: absolute;
  top: 0;
  left: 0;
  height: 3px;
  width: 100%;
  background: rgba(0, 0, 0, 0.9) !important;
}

.card-overlay {
  -webkit-border-radius: 5px;
  -moz-border-radius: 5px;
  border-radius: 5px;
  overflow: hidden;
  position: absolute;
  background: rgba(66, 133, 244, 0.9);
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  opacity: 0;
  visibility: hidden;
  -webkit-transition: all 0.3s ease;
  -o-transition: all 0.3s ease;
  -moz-transition: all 0.3s ease;
  transition: all 0.3s ease;
}