.aic {
  display: flex;
  align-items: center;
}
@keyframes scale-bg {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
  100% {
    transform: scale(1);
  }
}
@keyframes scale-bg2 {
  0% {
    background-size: 100% 70%;
  }
  50% {
    background-size: 105% 75%;
  }
  100% {
    background-size: 100% 70%;
  }
}
@keyframes transform-size {
  0% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(90%);
  }
  100% {
    transform: translateY(90%);
    transform: translateX(100%);
    display: none;
  }
}
@keyframes transform-size2 {
  0% {
    transform: translateX(0);
  }
  50% {
    transform: translateX(90%);
  }
  100% {
    transform: translateX(90%);
    transform: translateY(100%);
    display: none;
  }
}
.transform-size {
  -webkit-animation-name: transform-size;
  animation-name: transform-size;
  animation-timing-function: linear;
  animation-fill-mode: forwards;
}
.transform-size2 {
  -webkit-animation-name: transform-size2;
  animation-name: transform-size2;
  animation-timing-function: linear;
  animation-fill-mode: forwards;
}
.title {
  display: flex;
  align-items: center;
  flex-direction: column;
  position: relative;
  z-index: 3;
}
.title h5 {
  font-weight: bold;
  font-size: 32px;
  color: #1A1A1A;
  line-height: 32px;
  display: flex;
}
.title p {
  margin-top: 18px;
  font-size: 23px;
  line-height: 24px;
}
.gradient {
  position: relative;
}
.gradient::after {
  content: "";
  position: absolute;
  z-index: -1;
  bottom: 0;
  left: 0;
  right: 0;
  display: block;
  height: 358px;
  opacity: 0.05;
}
.banner {
  padding: 105px 0;
  overflow: hidden;
  position: relative;
  background: rgba(59, 2, 2, 0.65);
}
.banner img {
  position: absolute;
  width: 100%;
  top: 0;
  height: 100%;
  object-fit: cover;
  z-index: -1;
  animation-name: scale-bg;
  animation-duration: 6s;
  animation-timing-function: linear;
  animation-iteration-count: infinite;
}
.banner-content {
  display: flex;
  align-items: center;
  flex-direction: column;
}
.banner-content h5 {
  display: flex;
  font-size: 36px;
  color: #FFFFFF;
  line-height: 36px;
}
.banner-content .line {
  margin-top: 16px;
  width: 60px;
  height: 4px;
  background: #FFFFFF;
}
.banner-content h4 {
  font-weight: bold;
  font-size: 80px;
  color: #FFFFFF;
  line-height: 80px;
  margin: 34px 0 32px;
}
.banner-content .tag {
  display: flex;
  gap: 15px;
  font-size: 24px;
  color: #FFFFFF;
  line-height: 24px;
}
.wrap {
  padding: 200px 0 180px;
}
.wrap::after {
  background: linear-gradient(180deg, rgba(246, 80, 80, 0) 0%, #F65050 100%);
}
.wrap .intro {
  max-width: 700px;
  margin: 0 auto;
}
.wrap .intro-content {
  padding: 70px 0 50px 50px;
  position: relative;
}
.wrap .intro-content .mask {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #fff;
}
.wrap .intro-content .line {
  overflow: hidden;
  position: absolute;
  left: 0;
  bottom: 0;
  width: 83%;
  height: 84%;
}
.wrap .intro-content .line img {
  width: 100%;
  height: 100%;
  vertical-align: middle;
}
.wrap .intro-content .line2 {
  overflow: hidden;
  position: absolute;
  width: 88%;
  height: 60%;
  right: 0;
  top: 0;
}
.wrap .intro-content .line2 img {
  width: 100%;
  height: 100%;
  vertical-align: middle;
}
.wrap .intro-content .icon-msg {
  position: absolute;
  width: 60px;
  height: 64px;
  top: 0;
  left: 0;
  animation-iteration-count: infinite;
}
.wrap .intro-content .icon-top {
  position: absolute;
  width: 90px;
  height: 42px;
  bottom: 0;
  right: 8px;
}
.wrap .intro-content h5 {
  position: relative;
  z-index: 1;
  font-weight: bold;
  font-size: 37px;
  color: #F65050;
}
.wrap .intro-content h6 {
  position: relative;
  z-index: 1;
  margin: 20px 0 40px;
  font-size: 24px;
  color: #1A1A1A;
}
.wrap .intro-content p {
  position: relative;
  z-index: 1;
  font-size: 24px;
  color: #4D4D4D;
  line-height: 40px;
}
.wrap .intro-content .desc {
  position: relative;
  z-index: 1;
  margin-top: 20px;
  font-weight: 500;
  font-size: 26px;
  color: #767676;
  line-height: 40px;
}
.wrap .intro-content .desc span {
  background: linear-gradient(180deg, rgba(251, 136, 136, 0) 50%, #F65050 100%);
}
.wrap .history {
  max-width: 1140px;
  margin: 100px auto 0;
  padding: 0 50px;
}
.wrap .history-content {
  position: relative;
}
.wrap .history-content .step-img {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  z-index: -1;
}
.wrap .history-content .title {
  padding: 20px 0 0 216px;
}
.wrap .history-content .title h5 {
  background: linear-gradient(180deg, rgba(251, 136, 136, 0) 50%, #F65050 100%);
}
.wrap .history-content .title p {
  color: #F65050;
}
.wrap .history-content .history-list {
  padding-top: 50px;
}
.wrap .history-content .history-list .poster2 {
  width: 170px;
  height: 140px;
}
.wrap .history-content .history-list .poster2--absolute {
  position: absolute;
  top: 76px;
  left: 0;
}
.wrap .history-content .history-list .mask {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 4;
  background-color: #fff;
}
.wrap .history-content .history-list .history-card {
  position: relative;
  display: flex;
  overflow: hidden;
  padding-left: 264px;
}
.wrap .history-content .history-list .history-card .history-item {
  margin-bottom: 16px;
  width: 240px;
  height: 209px;
}
.wrap .history-content .history-list .history-card .history-item:nth-child(2) {
  margin-right: 70px;
}
.wrap .history-content .history-list .history-card .history-item .arrow {
  width: 38px;
  height: 38px;
  vertical-align: middle;
}
.wrap .history-content .history-list .history-card .history-item-date {
  margin: 10px 0;
  font-weight: bold;
  font-size: 18px;
  color: #1A1A1A;
  line-height: 18px;
}
.wrap .history-content .history-list .history-card .history-item p {
  margin-bottom: 10px;
  font-size: 14px;
  color: #666666;
  line-height: 20px;
}
.wrap .history-content .history-list .history-card .history-item p span {
  color: #F65050;
  font-weight: 600;
}
.wrap .history-content .history-list .history-card .history-item .poster {
  width: 100px;
  height: 60px;
  vertical-align: middle;
}
.wrap .history-content .history-list .history-card .history-item .video {
  position: relative;
  width: 122px;
  height: 80px;
}
.wrap .history-content .history-list .history-card .history-item .video .poster {
  width: 100%;
  height: 100%;
  border-radius: 10px;
}
.wrap .history-content .history-list .history-card .history-item .video .mask {
  cursor: pointer;
  z-index: 2;
  position: absolute;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.2);
  border-radius: 10px;
}
.wrap .history-content .history-list .history-card .history-item .video .mask img {
  width: 17px;
  height: 17px;
}
.wrap .history-content .history-list .summary {
  position: relative;
  padding: 70px 0 0 264px;
  display: flex;
  overflow: hidden;
}
.wrap .history-content .history-list .summary p {
  margin-right: 50px;
  font-size: 18px;
  color: #333333;
  line-height: 28px;
}
.wrap2 {
  padding: 236px 0 164px;
}
.wrap2 .title {
  margin: 90px 0 70px;
}
.wrap2 .title h5 {
  background: linear-gradient(180deg, rgba(251, 187, 136, 0) 50%, #F68550 100%);
}
.wrap2 .title p {
  color: #F6610B;
}
.wrap2::after {
  background: linear-gradient(180deg, rgba(246, 80, 80, 0) 0%, #F6620D 100%);
}
.wrap2 .max-width-700 {
  text-align: center;
  margin: 0 auto;
  max-width: 700px;
}
.wrap2 .max-width-700 h4 {
  font-weight: bold;
  font-size: 37px;
  color: #F6610B;
  line-height: 52px;
  margin-bottom: 60px;
}
.wrap2 .max-width-700 h6 {
  font-size: 24px;
  color: #1A1A1A;
  line-height: 24px;
}
.wrap2 .max-width-700 .card {
  background: #FFFFFF;
  box-shadow: 0px 2px 11px 0px rgba(0, 0, 0, 0.08);
  border-radius: 3px;
  padding: 32px 37px 50px;
}
.wrap2 .max-width-700 .card p {
  font-size: 18px;
  color: #333333;
  line-height: 28px;
}
.wrap2 .max-width-886 {
  margin: 0 auto 70px;
  max-width: 886px;
  position: relative;
}
.wrap2 .max-width-886 .circle-img {
  width: 886px;
  vertical-align: middle;
}
.wrap2 .max-width-886 .product-img {
  position: absolute;
  top: -20px;
  left: 35%;
  width: 300px;
  vertical-align: middle;
}
.wrap2 .max-width-886 .circle {
  position: absolute;
  z-index: -1;
  width: 410px;
  height: 235px;
  transform: rotate(3deg) skewX(-64deg);
  top: 22px;
  background-image: linear-gradient(135deg, #fff 0%, #fff 100%), linear-gradient(180deg, rgba(246, 97, 11, 0.02), #f6610b);
  left: 15%;
  border: 1px solid transparent;
  border-radius: 50%;
  background-clip: padding-box, border-box;
  background-origin: padding-box, border-box;
}
.wrap2 .max-width-886 .product {
  display: flex;
  justify-content: center;
}
.wrap2 .max-width-886 .product-item {
  max-width: 140px;
}
.wrap2 .max-width-886 .product-item .point {
  width: 17px;
  height: 17px;
  background: #FFE870;
  border: 4px solid #F56410;
  border-radius: 50%;
  background-clip: content-box;
}
.wrap2 .max-width-886 .product-item img {
  width: 40px;
  height: 40px;
}
.wrap2 .max-width-886 .product-item-date {
  font-weight: bold;
  font-size: 16px;
  color: #1A1A1A;
  line-height: 18px;
  margin: 8px 0 6px;
}
.wrap2 .max-width-886 .product-item p {
  font-size: 14px;
  color: #666666;
  line-height: 20px;
}
.wrap3 {
  padding: 236px 0 164px;
}
.wrap3 .title h5 {
  background: linear-gradient(180deg, rgba(217, 97, 253, 0) 50%, #D23AFF 100%);
}
.wrap3 .title p {
  color: #B400E9;
}
.wrap3::after {
  background: linear-gradient(180deg, rgba(180, 0, 233, 0) 0%, #B400E9 100%);
}
.wrap3 .max-width-720 {
  max-width: 720px;
  margin: 0 auto;
}
.wrap3 h6 {
  font-size: 24px;
  color: #1A1A1A;
  line-height: 24px;
  text-align: center;
}
.wrap3 .question {
  margin: 20px 0 50px;
  display: flex;
  align-items: center;
}
.wrap3 .question-content {
  margin: 0 20px;
  text-align: center;
}
.wrap3 .question-content p {
  font-size: 24px;
  color: #4D4D4D;
  line-height: 38px;
}
.wrap3 .question img {
  width: 60px;
  height: 180px;
}
.wrap3 h4 {
  margin: 10px 0 86px;
  font-weight: bold;
  font-size: 37px;
  color: #B400E9;
  line-height: 52px;
  text-align: center;
}
.wrap3 .step {
  margin: 15px 0 0;
  position: relative;
  overflow: hidden;
  padding: 10px 10px 0;
}
.wrap3 .step .mask {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  backdrop-filter: blur(20px);
}
.wrap3 .step img {
  width: 350px;
  vertical-align: middle;
}
.wrap3 .step .circle {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  background: #B400E9;
  background-clip: content-box;
  border-radius: 50%;
  border: 4px solid rgba(180, 0, 233, 0.27);
}
.wrap3 .step .circle2 {
  position: absolute;
  top: 0;
  left: 49.7%;
  transform: translateX(-50%);
}
.wrap3 .step-item {
  position: absolute;
  display: flex;
  left: 0;
}
.wrap3 .step-item__content {
  margin-left: 16px;
}
.wrap3 .step-item__content .step-item-date {
  font-weight: bold;
  font-size: 18px;
  color: #1A1A1A;
  line-height: 18px;
}
.wrap3 .step-item__content p {
  margin-top: 12px;
  font-size: 14px;
  color: #666666;
  line-height: 20px;
}
.wrap4 {
  padding: 236px 0 186px;
}
.wrap4 h4 {
  font-weight: bold;
  font-size: 37px;
  color: #1754F4;
  line-height: 52px;
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}
.wrap4 h6 {
  font-size: 24px;
  color: #1A1A1A;
  line-height: 38px;
  max-width: 700px;
  margin: 40px auto 70px;
  text-align: center;
}
.wrap4 .title h5 {
  background: linear-gradient(180deg, rgba(137, 169, 255, 0) 50%, #1754F4 100%);
}
.wrap4 .title p {
  color: #1754F4;
}
.wrap4::after {
  background: linear-gradient(180deg, rgba(23, 84, 244, 0) 0%, #1754F4 100%);
}
.wrap4 .step {
  max-width: 1764px;
  margin: 0 auto;
  background-image: url(../img/course/bg.png);
  background-size: 100% 70%;
  background-repeat: no-repeat;
  background-position: center 85%;
  overflow: hidden;
  animation-name: scale-bg2;
  animation-duration: 10s;
  animation-timing-function: linear;
  animation-iteration-count: infinite;
}
.wrap4 .step-content {
  max-width: 1168px;
  margin: 263px auto 20px;
  display: flex;
  align-items: center;
  flex-direction: column;
}
.wrap4 .step-content .card {
  position: relative;
}
.wrap4 .step-content .card img {
  height: 268px;
  vertical-align: middle;
}
.wrap4 .step-content .card .step-item {
  position: absolute;
  width: 160px;
  border: 1px solid #1754F4;
  padding: 16px 9px 10px;
  min-height: 142px;
}
.wrap4 .step-content .card .step-item-date {
  font-weight: bold;
  font-size: 16px;
  color: #1A1A1A;
  line-height: 18px;
}
.wrap4 .step-content .card .step-item p {
  margin-top: 8px;
  font-size: 14px;
  color: #666666;
  line-height: 20px;
}
.wrap4 .step-content .card .step-item::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 100%;
  transform: translateX(-50%);
  border-left: 1px dashed #1754F4;
}
.wrap4 .step-content .card .step-item::after {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  border-radius: 50%;
  background: linear-gradient(180deg, #3BACFF 0%, #2B0DE6 100%);
}
.wrap4 .step-content .card .step-item1 {
  left: 53px;
  bottom: 74px;
}
.wrap4 .step-content .card .step-item1::before {
  height: 51px;
}
.wrap4 .step-content .card .step-item1::after {
  width: 18px;
  height: 18px;
  bottom: -79px;
}
.wrap4 .step-content .card .step-item2 {
  left: 262px;
  bottom: 123px;
}
.wrap4 .step-content .card .step-item2::before {
  height: 74px;
}
.wrap4 .step-content .card .step-item2::after {
  width: 24px;
  height: 24px;
  bottom: -127px;
}
.wrap4 .step-content .card .step-item3 {
  left: 472px;
  bottom: 172px;
}
.wrap4 .step-content .card .step-item3::before {
  height: 94px;
}
.wrap4 .step-content .card .step-item3::after {
  width: 30px;
  height: 30px;
  bottom: -158px;
}
.wrap4 .step-content .card .step-item4 {
  right: 293px;
  bottom: 240px;
}
.wrap4 .step-content .card .step-item4::before {
  height: 121px;
}
.wrap4 .step-content .card .step-item4::after {
  width: 36px;
  height: 36px;
  bottom: -186px;
}
.wrap4 .step-content .card .step-item5 {
  right: 84px;
  bottom: 288px;
}
.wrap4 .step-content .card .step-item5::before {
  height: 101px;
}
.wrap4 .step-content .card .step-item5::after {
  width: 42px;
  height: 42px;
  bottom: -162px;
}
.wrap4 .step-content .card2 {
  margin-top: 152px;
  max-width: 1000px;
  padding: 27px 50px;
  background: #FFFFFF;
  box-shadow: 0px 2px 11px 0px rgba(0, 0, 0, 0.08);
  border-radius: 3px;
}
.wrap4 .step-content .card2 p {
  font-size: 18px;
  color: #333333;
  line-height: 28px;
  text-align: center;
}
.wrap5 {
  padding: 236px 0 300px;
}
.wrap5 .conclusion {
  position: relative;
  height: 562px;
  overflow: hidden;
}
.wrap5 .conclusion .rect {
  position: absolute;
  z-index: -1;
  left: -30px;
  width: 47.5%;
  height: 100%;
}
.wrap5 .conclusion .rect2 {
  position: absolute;
  z-index: -1;
  right: -26px;
  width: 64%;
  height: 100%;
}
.wrap5 .conclusion-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
}
.wrap5 .conclusion-content .card {
  flex-shrink: 0;
  padding-top: 130px;
}
.wrap5 .conclusion-content .card h6 {
  font-weight: 800;
  font-size: 24px;
  color: #FFFFFF;
  line-height: 24px;
  margin-bottom: 70px;
}
.wrap5 .conclusion-content .card h5 {
  margin-bottom: 48px;
  font-size: 24px;
  color: #FFFFFF;
  line-height: 36px;
}
.wrap5 .conclusion-content .card h5 span {
  font-weight: 800;
  font-size: 36px;
}
.wrap5 .conclusion-content .card2 {
  width: 60%;
  padding: 100px 10px 0 0;
}
.wrap5 .conclusion-content .card2 p {
  font-size: 18px;
  color: #333333;
  line-height: 28px;
}
.wrap5 .conclusion-content .card2 h4 {
  margin: 25px 0;
  font-weight: bold;
  font-size: 37px;
  color: #F65050;
}