body {
  background-color: #eff7ff;
  overflow-x: hidden;
}

.pageLayout {
  margin: 0 auto;
  width: 100%;
}

.image-container {
  text-align: center;
}
.image-container .image1 {
  width: 100%;
  height: auto;
  border: none;
}

.promotion-container {
  position: relative;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  margin: 70px auto 40px;
}
.promotion-container .promotion-text {
  position: absolute;
  left: 50%;
  -webkit-transform: translateX(-50%);
          transform: translateX(-50%);
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  top: 40px;
  font-size: 80px;
  font-weight: bold;
  font-style: italic;
  letter-spacing: 20px;
  color: white;
  text-shadow: 2px 2px 4px rgba(255, 255, 255, 0.8);
  white-space: nowrap;
  background-color: #247bfe;
  width: 750px;
  height: 155px;
  clip-path: polygon(0 0, 750px 20px, 697px 155px, 0 155px);
  z-index: 2;
}
.promotion-container .yellow-sections {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  width: 770px;
  margin-top: 20px;
  position: relative;
  z-index: 1;
}
.promotion-container .yellow-sections .yellow-section {
  background-color: yellow;
  margin-top: 20px;
}
.promotion-container .yellow-sections .yellow-section:first-child {
  width: 120px;
  height: 165px;
  clip-path: polygon(0 0, 50% 0, 100% 100%, 0 100%);
}
.promotion-container .yellow-sections .yellow-section:last-child {
  width: 160px;
  height: 150px;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 30% 100%);
}

.background-container, .background-container-5, .background-container-4, .background-container-3 {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  margin-top: 20px;
  background-image: url("../images/xmtpic2.png");
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
  padding: 0;
  height: 600px;
  width: 1688px;
  margin: 20px auto 0;
  position: relative;
}
.background-container-3 {
  background-image: url("../images/xmtpic3.png");
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
  height: 1700px;
  width: 1600px;
}
.background-container-4 {
  background-image: url("../images/xmtpic4.png");
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
  height: 1840px;
  width: 1600px;
}
.background-container-5 {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  background-image: url("../images/xmtpic5.png");
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
  min-height: 585px;
  width: 1616px;
  margin: 20px auto 0;
}

.discount-banner {
  position: absolute;
  top: 60px;
  right: 100px;
  font-size: 40px;
  font-weight: bold;
  color: white;
  background-image: url("../images/xmtpic2-3.png");
  background-size: 100%;
  background-position: center;
  background-repeat: no-repeat;
  padding: 20px 40px;
  border-radius: 8px;
  z-index: 10;
}
.discount-banner .text {
  -webkit-transform: rotate(-4deg);
          transform: rotate(-4deg);
}

.discount-banner-4 {
  position: absolute;
  top: -10px;
  right: 150px;
  font-size: 32px;
  font-weight: bold;
  color: white;
  background-image: url("../images/xmtpic2-3.png");
  background-size: 100%;
  background-position: center;
  background-repeat: no-repeat;
  padding: 15px 30px;
  border-radius: 8px;
  z-index: 10;
}
.discount-banner-4 .text {
  -webkit-transform: rotate(-4deg);
          transform: rotate(-4deg);
}

.discount-banner-5 {
  position: absolute;
  top: 0px;
  right: 150px;
  font-size: 32px;
  font-weight: bold;
  color: white;
  background-image: url("../images/xmtpic2-3.png");
  background-size: 100%;
  background-position: center;
  background-repeat: no-repeat;
  padding: 15px 30px;
  border-radius: 8px;
  z-index: 10;
}
.discount-banner-5 .text {
  -webkit-transform: rotate(-4deg);
          transform: rotate(-4deg);
}

.yellow-text {
  color: yellow;
}

.card-base, .card4-container .card4-2, .card-container .card {
  background-color: transparent;
  padding: 0;
  border-radius: 0;
  -webkit-box-shadow: none;
          box-shadow: none;
  border: none;
  width: 45%;
  min-width: 400px;
  position: relative;
}

.card-container {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  gap: 40px;
  width: 1600px;
  padding: 40px;
}
.card-container .card {
  background-image: url("../images/xmtpic2-1.png");
  background-size: 100%;
  background-position: center;
  background-repeat: no-repeat;
  width: 706px;
  height: 216px;
}
.card-container .card-header {
  font-size: 48px;
  font-weight: bold;
  margin-bottom: 15px;
  color: #333;
  background-image: url("../images/xmtpic2-2.png");
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
  padding: 10px 20px;
  position: absolute;
  top: -20px;
  left: 40px;
  z-index: 10;
}
.card-container .card-content {
  font-size: 26px;
  line-height: 1.5;
  background-color: transparent;
  position: absolute;
  left: 50%;
  -webkit-transform: translateX(-50%);
          transform: translateX(-50%);
  top: 60px;
  z-index: 10;
  color: white;
  text-align: left;
  font-weight: bold;
  margin-right: 10px;
  width: 80%;
}
.card-container .card-content p {
  white-space: nowrap;
  letter-spacing: 5px;
}
.card-container .card-content .price {
  font-weight: bold;
  color: yellow;
  font-size: 40px;
  margin: 0 20px;
  letter-spacing: 5px;
}
.card-container .card-content .yuan {
  font-weight: bold;
  font-size: 38px;
  color: white;
  margin-right: 10px;
}
.card-container .card-content .qi {
  color: white;
  font-weight: bold;
}
.card-container .card-content .highlight {
  font-weight: bold;
  color: #247bfe;
  background-color: white;
  padding: 4px 20px;
  border-radius: 20px;
  white-space: nowrap;
}

.card2-container {
  width: 1580px;
  height: 1688px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  padding: 150px 120px 100px;
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
  gap: 0px;
}

.card2 {
  background-color: transparent;
  padding: 0;
  border-radius: 0;
  -webkit-box-shadow: none;
          box-shadow: none;
  border: none;
  width: 1300px;
  height: 392px;
  position: relative;
  background-image: url("../images/xmtpic3-1.png");
  background-size: 100%;
  background-position: center;
  background-repeat: no-repeat;
}

.card2-header {
  font-size: 40px;
  font-weight: bold;
  margin-bottom: 15px;
  color: #333;
  background-image: url("../images/xmtpic3-2.png");
  background-size: 100%;
  background-repeat: no-repeat;
  padding: 10px 20px;
  position: absolute;
  top: -20px;
  left: 40px;
  z-index: 10;
}

.card2-content {
  font-size: 22px;
  line-height: 2;
  background-color: transparent;
  color: white;
  text-align: left;
  width: 700px;
  padding: 100px 0 0 100px;
}

.card4-container {
  position: absolute;
  left: 50%;
  -webkit-transform: translateX(-50%);
          transform: translateX(-50%);
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  gap: 40px;
  width: 100%;
  padding: 20px;
  top: 100px;
  left: 57%;
}
.card4-container .card4-row {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: horizontal;
  -webkit-box-direction: normal;
      -ms-flex-direction: row;
          flex-direction: row;
  gap: 180px;
  -webkit-box-pack: start;
      -ms-flex-pack: start;
          justify-content: flex-start;
}
.card4-container .card4-row .card4:last-child {
  margin-left: -120px;
}
.card4-container .card4 {
  background-color: transparent;
  padding: 0;
  border-radius: 0;
  -webkit-box-shadow: none;
          box-shadow: none;
  border: none;
  width: 624px;
  height: 742px;
  position: relative;
  background-image: url("../images/xmtpic4-1.png");
  background-size: 100%;
  background-position: center;
  background-repeat: no-repeat;
}
.card4-container .card4-2 {
  background-color: transparent;
  padding: 0;
  border-radius: 0;
  -webkit-box-shadow: none;
          box-shadow: none;
  border: none;
  width: 1300px;
  height: 392px;
  position: relative;
  background-image: url("../images/xmtpic3-1.png");
  background-size: 100%;
  background-position: center;
  background-repeat: no-repeat;
}
.card4-container .card4-content {
  font-size: 20px;
  line-height: 2;
  background-color: transparent;
  position: absolute;
  left: 50%;
  -webkit-transform: translateX(-50%);
          transform: translateX(-50%);
  top: 90px;
  left: 49%;
  z-index: 10;
  color: white;
  text-align: left;
  width: 522px;
  margin-right: 10px;
}

.card5-container {
  width: 1283px;
  height: 392px;
  background-image: url("../images/xmtpic3-1.png");
  background-size: 100%;
  background-position: center;
  background-repeat: no-repeat;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  padding: 80px;
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
  gap: 100px;
}

.card5-content {
  -webkit-box-flex: 1;
      -ms-flex: 1;
          flex: 1;
  font-size: 20px;
  background-color: transparent;
  color: white;
  text-align: left;
}
.card5-content .title {
  font-size: 44px;
  color: yellow;
  font-weight: bold;
}
.card5-content .content {
  font-size: 28px;
  line-height: 1.6em;
  padding-top: 30px;
}

.course-title {
  text-align: center;
  padding: 40px 0;
}
.course-title h2 {
  font-size: 72px;
  font-weight: bold;
  font-style: italic;
  color: #247bfe;
  text-shadow: 4px 4px 8px rgba(255, 255, 255, 0.5), -4px 4px 8px rgba(255, 255, 255, 0.5), 4px -4px 8px rgba(255, 255, 255, 0.5), -4px -4px 8px rgba(255, 255, 255, 0.5);
  margin-bottom: 10px;
  letter-spacing: 10px;
}
.course-title p {
  font-size: 36px;
  color: #247bfe;
  font-weight: bold;
}

.course-section {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  padding: 40px 0;
}
.course-section .course-image-left {
  -webkit-box-flex: 0;
      -ms-flex: 0 0 auto;
          flex: 0 0 auto;
  margin-right: 0;
}
.course-section .section-image-right {
  width: 789px;
  height: auto;
}
.course-section .section-image-left {
  width: 749px;
}
.course-section .course-content-right {
  -webkit-box-flex: 1;
      -ms-flex: 1;
          flex: 1;
  background-color: #3b7fe4;
  padding: 30px 30px 30px 50px;
  color: white;
  max-width: 637px;
  height: 298px;
  margin-left: -94px;
}
.course-section .course-content-left {
  -webkit-box-flex: 1;
      -ms-flex: 1;
          flex: 1;
  background-color: #67a4ff;
  padding: 30px 60px 30px 30px;
  color: white;
  max-width: 637px;
  height: 298px;
  margin-right: -94px;
  z-index: 1;
}
.course-section .course-subtitle {
  font-weight: bold;
  font-size: 36px;
  margin: 0 0 20px;
  letter-spacing: 3px;
  text-align: left;
}
.course-section .course-features {
  list-style: none;
  padding: 0;
  margin: 0;
  line-height: 1.6;
  font-size: 18px;
  letter-spacing: 3px;
  text-align: left;
}

.commercial-project {
  background-color: #3b7fe4;
  color: white;
  margin-top: 40px;
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
  width: 100%;
}
.commercial-project .continer {
  width: 1200px;
  margin: 0 auto;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  height: 123px;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  gap: 90px;
}
.commercial-project .title {
  font-size: 36px;
}
.commercial-project .content {
  font-size: 18px;
  width: 620px;
  line-height: 1.6em;
}

.bg-image, .bg-image4-1 {
  width: 300px;
  height: auto;
  position: absolute;
  top: 50%;
  right: 150px;
  -webkit-transform: translateY(-50%);
          transform: translateY(-50%);
  z-index: 1;
}

.bg-image4-1 {
  width: 380px;
  right: 130px;
  top: 58%;
}

.course-image {
  float: left;
  margin-right: 15px;
  margin-bottom: 15px;
  border: none;
  outline: none;
}