body {
  background: #f7f7f7;
}
.centerBox {
  background: #FFF;
  padding-bottom: 53px;
}
.centerBox .container {
  position: relative;
  height: auto;
}
.centerBox .container .bgImg {
  position: relative;
  left: 0;
  top: 0;
  z-index: 0;
  height: 100%;
}
.centerBox .container .infoContentBox {
  color: #FFF;
  position: absolute;
  width: 100%;
  box-sizing: border-box;
  bottom: 0;
  z-index: 1;
  padding: 44px;
}
.centerBox .container .infoContentBox .title {
  font-size: 42px;
  font-weight: bold;
}
.centerBox .container .infoContentBox .description {
  font-size: 14px;
  padding: 20px 0;
  width: 50%;
  word-wrap: break-word;
}
.centerBox .container .infoContentBox .avatarBox {
  display: flex;
  align-items: center;
  gap: 18px;
}
.centerBox .container .infoContentBox .avatarBox .avatarList {
  display: flex;
  align-items: center;
}
.centerBox .container .infoContentBox .avatarBox .avatarList .avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 2px solid #FFF;
  margin-left: -18px;
}
.centerBox .container .infoContentBox .avatarBox .avatarList .avatar:nth-child(1) {
  margin-left: 0;
}
.videoBox {
  overflow: hidden;
  position: relative;
}
.videoBox video {
  width: 100%;
}
.videoBox .videoMb {
  position: absolute;
  width: 100%;
  height: 100%;
  left: 0;
  top: 0;
  background: linear-gradient(90deg, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0.2) 100%);
}
.videoBox .videoMb .wordBox {
  padding-left: 83px;
  max-width: 616px;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  flex-direction: column;
}
.videoBox .videoMb .wordBox .title {
  font-size: 48px;
  color: #FFF;
  font-weight: bold;
}
.videoBox .videoMb .wordBox .desc {
  margin-top: 24px;
  color: #FFF;
  font-size: 16px;
  line-height: 30px;
}
.videoBox .videoMb .wordBox .btn {
  padding: 9px 24px;
  background: #FFF;
  color: #000;
  font-size: 16px;
  border-radius: 8px;
  margin-top: 31px;
}
.bigTitle {
  text-align: center;
  color: #252525;
  font-size: 48px;
  padding: 100px 0;
}
.hotProduct .list {
  gap: 14px;
  display: flex;
}
.hotProduct .list .item {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
  flex: 0.5;
  height: 35.2vw;
  transition: all 0.3s;
}
.hotProduct .list .item.show {
  flex: 1;
}
.hotProduct .list .item.show .mb .box .btn {
  transition: all 0.3s;
  display: block!important;
}
.hotProduct .list .item.show .mb .box .left {
  width: auto;
}
.hotProduct .list .item.show .mb .box .left .title,
.hotProduct .list .item.show .mb .box .left .desc {
  text-align: left;
}
.hotProduct .list .item .mb {
  background: linear-gradient(0deg, #000000 0%, rgba(0, 0, 0, 0) 100%);
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}
.hotProduct .list .item .mb .box {
  padding: 0 3vw 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.hotProduct .list .item .mb .box .left {
  flex-shrink: 0;
  width: 100%;
}
.hotProduct .list .item .mb .box .left .title {
  font-size: 28px;
  text-align: center;
  color: #FFF;
  font-weight: bold;
}
.hotProduct .list .item .mb .box .left .desc {
  font-size: 16px;
  text-align: center;
  color: #FFF;
  padding-top: 9px;
}
.hotProduct .list .item .mb .box .btn {
  flex-shrink: 0;
  padding: 9px 24px;
  background: #FFF;
  color: #000;
  font-size: 16px;
  border-radius: 8px;
  display: none;
}
.ziliaoBox .container {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 42px;
}
.ziliaoBox .container .item {
  width: calc(50% - 21px);
  background-color: #FFF;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  max-height: 211px;
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center;
  padding: 50px 20px 30px;
  cursor: pointer;
}
.ziliaoBox .container .item:hover {
  box-shadow: 0px 2px 4px rgba(0, 0, 0, 0.05);
}
.ziliaoBox .container .item .title {
  color: #FFF;
  font-size: 32px;
  font-weight: bold;
}
.ziliaoBox .container .item .desc {
  font-size: 24px;
  color: #FFF;
  padding: 23px 0 35px;
}
.ziliaoBox .container .item .get {
  color: #252525;
  color: #FFF;
  text-decoration-line: underline;
  cursor: pointer;
}
.coursesList {
  margin-top: 64px;
}
.coursesList .container .list {
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.coursesList .container .list .item {
  position: relative;
  width: calc(25% - 16px);
  overflow: hidden;
  user-select: none;
  transition: all 0.4s;
  opacity: 0;
}
.coursesList .container .list .item:hover img {
  transition: all 0.3s;
  transform: scale(1.1);
}
.coursesList .container .list .item:not(.first):hover {
  transition: all 0.4s;
  transform: translateY(-10px);
}
.coursesList .container .list .item .bgImg {
  position: relative;
  z-index: 0;
  transition: all 0.3s;
}
.coursesList .container .list .item.first {
  background: #FFF;
  opacity: 1;
}
.coursesList .container .list .item.first:hover img {
  transform: scale(1);
}
.coursesList .container .list .item.first .info {
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: flex-end;
}
.coursesList .container .list .item.first .ask {
  font-size: 42px;
  font-weight: bold;
  text-align: left;
  color: #000a24;
}
.coursesList .container .list .item.first .jiantou {
  display: inline-block;
}
.coursesList .container .list .item .info {
  position: absolute;
  width: 100%;
  z-index: 0;
  text-align: right;
  bottom: 0;
  color: #FFF;
  box-sizing: border-box;
  padding: 20px;
}
.coursesList .container .list .item .info .title {
  font-size: 20px;
}
.coursesList .container .list .item .info .description {
  font-size: 14px;
}
.coursesList .container .list .item .info .jiantou {
  width: 50px;
}
@media screen and (max-width: 1400px) {
  .hotProduct .list .item .mb .box .left .title {
    font-size: 24px;
  }
}
@media screen and (max-width: 1200px) {
  .hotProduct .list .item .mb .box .left .title {
    font-size: 24px;
  }
}
@media screen and (max-width: 1024px) {
  .coursesList .container .list {
    width: 100%;
  }
}
@media screen and (max-width: 950px) {
  .coursesList .container .list .item {
    width: calc(50% - 8px);
  }
  .hotProduct .list .item .mb .box {
    padding-bottom: 10px;
  }
  .hotProduct .list .item .mb .box .btn {
    font-size: 14px;
    padding: 8px 22px;
    border-radius: 6px;
  }
  .hotProduct .list .item .mb .box .left .desc {
    font-size: 14px;
  }
  .hotProduct .list .item .mb .box .left .title {
    font-size: 18px;
  }
}
@media screen and (max-width: 768px) {
  .bigTitle {
    font-size: 24px;
    padding: 42px 0;
  }
  .hotProduct .list {
    padding: 0 15px;
    display: block;
  }
  .hotProduct .list .item {
    flex: 1;
    height: 88vw;
    margin-bottom: 16px;
  }
  .hotProduct .list .item .mb .box {
    flex-direction: column;
    padding-bottom: 33px;
  }
  .coursesList .container .list .item.first .ask {
    font-size: 32px;
  }
  .hotProduct .list .item .mb .box .left .title,
  .hotProduct .list .item .mb .box .left .desc {
    text-align: center;
  }
  .hotProduct .list .item .mb .box .left .title {
    font-size: 32px;
  }
  .hotProduct .list .item .mb .box .btn {
    margin-top: 29px;
    display: block!important;
  }
  .ziliaoBox .container .item {
    width: 100%;
    padding: 18px 0;
    min-height: unset;
    height: unset;
  }
  .ziliaoBox .container .item .title {
    font-size: 24px;
  }
  .ziliaoBox .container .item .desc {
    font-size: 16px;
    padding: 10px 0;
  }
  .ziliaoBox .container .item .get {
    font-size: 14px;
  }
  .centerBox .container .infoContentBox {
    position: unset;
    color: #000a24;
    max-width: 100%;
    margin: 0 auto;
    box-sizing: border-box;
  }
  .centerBox .container .infoContentBox .title {
    text-align: center;
    font-size: 36px;
  }
  .centerBox .container .infoContentBox .description {
    width: 60%;
    margin: 0 auto;
  }
  .centerBox .container .infoContentBox .avatarBox {
    flex-direction: column;
    justify-content: center;
  }
  .centerBox {
    padding-bottom: 0;
  }
  .coursesList {
    padding-bottom: 50px;
  }
  .videoBox .videoMb .wordBox .title {
    font-size: 24px;
  }
  .videoBox .videoMb .wordBox .desc {
    font-size: 14px;
    margin-top: 18px;
  }
  .videoBox .videoMb .wordBox .btn {
    padding: 8px 22px;
    font-size: 14px;
    margin: 57px auto 0;
  }
}
@media screen and (max-width: 616px) {
  .videoBox video {
    position: absolute;
    height: 100%;
    left: -25%;
    width: unset;
    z-index: 0;
  }
  .videoBox .videoMb {
    position: relative;
    z-index: 1;
  }
  .videoBox .videoMb .wordBox {
    padding: 49px 24px;
  }
  .coursesList .container .list {
    flex-direction: column;
  }
  .coursesList .container .list .item {
    width: 100%;
  }
  .coursesList .container .list .item.first .ask {
    width: 100%;
    text-align: left;
  }
  .centerBox .container .infoContentBox {
    padding: 20px;
  }
  .centerBox .container .infoContentBox .description {
    width: 100%;
  }
}
/*# sourceMappingURL=index.css.map */