.w1280 {
  width: 1280px;
  max-width: 100%;
  margin: 0 auto;
}
.learn {
  width: 124px;
  height: 34px;
  background: #e60012;
  margin: 4.5vw auto;
  position: relative;
}
.learn:before {
  content: '';
  width: 0;
  height: 100%;
  background: #e60012;
  position: absolute;
  left: 0;
  top: 0;
  transition: all 0.5s;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -ms-transition: all 0.5s;
}
.learn a {
  display: block;
  color: #fff;
  text-align: center;
  line-height: 34px;
  position: relative;
}
.learn:hover {
  background: none;
}
.learn:hover:before {
  width: 100%;
}
.banner {
  margin-top: 90px;
}
.banner .swiper-slide .tu {
  width: 100%;
  height: calc(100vh - 90px);
  position: relative;
  overflow: hidden;
}
.banner .swiper-slide .tu img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.05, 1.05);
}
.banner .swiper-slide .text {
  width: 100%;
  position: absolute;
  color: #fff;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  -webkit-transform: translateY(-50%);
  -moz-transform: translateY(-50%);
  -ms-transform: translateY(-50%);
}
.banner .swiper-slide .text.text1 {
  text-align: center;
}
.banner .swiper-slide .text.text1 h2 {
  font-size: 90px;
  font-weight: bold;
  letter-spacing: 9px;
  height: 144px;
  overflow: hidden;
}
.banner .swiper-slide .text.text1 h2 span {
  position: relative;
  top: 144px;
  opacity: 0;
}
.banner .swiper-slide .text.text1 p {
  line-height: 1.5;
  margin: 1.5vw 0 2.5vw;
  opacity: 0;
}
.banner .swiper-slide .text.text1 .more img {
  position: relative;
  left: -20px;
  opacity: 0;
}
.banner .swiper-slide .text.text2 h2 {
  font-size: 60px;
  font-weight: bold;
  line-height: 1.3;
  position: relative;
  left: 40px;
  opacity: 0;
}
.banner .swiper-slide .text.text2 h3 {
  font-size: 60px;
  font-weight: bold;
  position: relative;
  left: 40px;
  opacity: 0;
}
.banner .swiper-slide .text.text2 p {
  line-height: 1.5;
  margin: 1vw 0 2.5vw;
  opacity: 0;
}
.banner .swiper-slide .text.text2 .more img {
  position: relative;
  top: 20px;
  opacity: 0;
}
.banner .swiper-slide.swiper-slide-active .tu img {
  transition: 4s linear;
  transform: scale(1, 1);
}
.banner .swiper-slide.swiper-slide-active .text.text1 h2 span {
  opacity: 1;
  top: 0;
  transition: all 0.8s ease 0.2s;
  -webkit-transition: all 0.8s ease 0.2s;
  -moz-transition: all 0.8s ease 0.2s;
  -ms-transition: all 0.8s ease 0.2s;
}
.banner .swiper-slide.swiper-slide-active .text.text1 p {
  opacity: 1;
  transition: all 0.5s ease 0.8s;
  -webkit-transition: all 0.5s ease 0.8s;
  -moz-transition: all 0.5s ease 0.8s;
  -ms-transition: all 0.5s ease 0.8s;
}
.banner .swiper-slide.swiper-slide-active .text.text1 .more img {
  left: 0;
  opacity: 1;
  transition: all 0.5s ease 1.3s;
  -webkit-transition: all 0.5s ease 1.3s;
  -moz-transition: all 0.5s ease 1.3s;
  -ms-transition: all 0.5s ease 1.3s;
}
.banner .swiper-slide.swiper-slide-active .text.text2 h2 {
  left: 0;
  opacity: 1;
  transition: all 0.8s ease 0.5s;
  -webkit-transition: all 0.8s ease 0.5s;
  -moz-transition: all 0.8s ease 0.5s;
  -ms-transition: all 0.8s ease 0.5s;
}
.banner .swiper-slide.swiper-slide-active .text.text2 h3 {
  left: 0;
  opacity: 1;
  transition: all 0.8s ease 0.5s;
  -webkit-transition: all 0.8s ease 0.5s;
  -moz-transition: all 0.8s ease 0.5s;
  -ms-transition: all 0.8s ease 0.5s;
}
.banner .swiper-slide.swiper-slide-active .text.text2 p {
  opacity: 0.13;
  transition: all 0.5s ease 0.8s;
  -webkit-transition: all 0.5s ease 0.8s;
  -moz-transition: all 0.5s ease 0.8s;
  -ms-transition: all 0.5s ease 0.8s;
}
.banner .swiper-slide.swiper-slide-active .text.text2 .more img {
  top: 0;
  opacity: 1;
  transition: all 0.5s ease 1.3s;
  -webkit-transition: all 0.5s ease 1.3s;
  -moz-transition: all 0.5s ease 1.3s;
  -ms-transition: all 0.5s ease 1.3s;
}
.banner .swiper-pagination {
  bottom: 2vw;
}
.banner .swiper-pagination .swiper-pagination-bullet {
  width: 6px;
  height: 6px;
  border-radius: 0;
  background: #fff;
  opacity: 1;
  margin: 0 8px;
}
.banner .swiper-pagination .swiper-pagination-bullet-active {
  background: #e60012;
  transform: scale(1.8);
  -webkit-transform: scale(1.8);
  -moz-transform: scale(1.8);
  -ms-transform: scale(1.8);
}
.ctn1 {
  padding: 3vw 0;
}
.ctn1 .s-title h2 {
  position: relative;
  font-weight: bold;
  color: #222;
}
.ctn1 .s-title h2:before {
  content: '';
  width: 30px;
  height: 30px;
  overflow: hidden;
  background: url(../image/a382298c-39d3-42e7-8b6d-c75c02d0b68c.png) no-repeat;
  background-size: contain;
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  -webkit-transform: translateY(-50%);
  -moz-transform: translateY(-50%);
  -ms-transform: translateY(-50%);
}
.ctn1 .s-title p {
  color: #222;
  margin-top: 1.5vw;
  line-height: 1.4;
}
.ctn1 .ctn-list {
  display: flex;
  margin-top: 4vw;
}
.ctn1 .ctn-list ul li {
  position: relative;
}
.ctn1 .ctn-list ul li .tu {
  position: relative;
  z-index: 2;
  overflow: hidden;
}
.ctn1 .ctn-list ul li .tu:after {
  content: '';
  width: 100%;
  height: 0;
  background: #ffc22a;
  opacity: 0.83;
  position: absolute;
  left: 0;
  top: 0;
  z-index: 2;
  transition: all 0.5s;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -ms-transition: all 0.5s;
}
.ctn1 .ctn-list ul li .tu img {
  position: relative;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.ctn1 .ctn-list ul li h2 {
  position: absolute;
  color: #fff;
  left: 2vw;
  top: 24px;
  z-index: 3;
}
.ctn1 .ctn-list ul li h3 {
  position: absolute;
  color: #fff;
  width: 100%;
  padding: 0 2vw;
  left: 0;
  top: 60%;
  transform: translateY(-50%);
  -webkit-transform: translateY(-50%);
  -moz-transform: translateY(-50%);
  -ms-transform: translateY(-50%);
  text-align: center;
  opacity: 0;
  transition: all 0.5s;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -ms-transition: all 0.5s;
  -webkit-line-clamp: 3;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  text-overflow: ellipsis;
  overflow: hidden;
  line-height: 1.5;
  height: 4.5em;
  z-index: 4;
}
.ctn1 .ctn-list ul li:hover .tu:after {
  height: 100%;
}
.ctn1 .ctn-list ul li:hover h2 {
  color: #fff !important;
}
.ctn1 .ctn-list ul li:hover h3 {
  opacity: 1;
  top: 54%;
}
.ctn1 .ctn-list .left {
  width: 50%;
  margin-top: 5vw;
  position: relative;
}
.ctn1 .ctn-list .left ul {
  display: flex;
  flex-wrap: wrap;
}
.ctn1 .ctn-list .left ul li {
  width: 50%;
  height: 320px;
}
.ctn1 .ctn-list .left ul li:nth-child(1) {
  width: 100%;
}
.ctn1 .ctn-list .left ul li:nth-child(1) h2 {
  color: #222;
}
.ctn1 .ctn-list .right ul li:nth-child(1) h2 {
  color: #222;
}
.ctn1 .ctn-list .left ul li:nth-child(1) .tu img {
  width: 0;
  height: 320px;
}
.ctn1 .ctn-list .left ul li:nth-child(2) .tu {
  width: 320px;
  height: 320px;
}
.ctn1 .ctn-list .left ul li:nth-child(2) .tu img {
  width: 0;
  height: 320px;
  position: absolute;
  right: 0;
  top: 0;
}
.ctn1 .ctn-list .left ul li:nth-child(3) {
  height: 634px;
}
.ctn1 .ctn-list .left ul li:nth-child(3) h2 {
  top: auto;
  bottom: 24px;
}
.ctn1 .ctn-list .left ul li:nth-child(3) .tu img {
  height: 0;
}
.ctn1 .ctn-list .left ul li.animated:nth-child(1) .tu img {
  width: 640px;
  transition: all 1s;
  -webkit-transition: all 1s;
  -moz-transition: all 1s;
  -ms-transition: all 1s;
}
.ctn1 .ctn-list .left ul li.animated:nth-child(2) .tu img {
  width: 320px;
  transition: all 1s;
  -webkit-transition: all 1s;
  -moz-transition: all 1s;
  -ms-transition: all 1s;
}
.ctn1 .ctn-list .left ul li.animated:nth-child(3) .tu img {
  height: 634px;
  transition: all 1s;
  -webkit-transition: all 1s;
  -moz-transition: all 1s;
  -ms-transition: all 1s;
}
.ctn1 .ctn-list .left .view {
  position: absolute;
  width: 70px;
  height: 70px;
  top: 640px;
  left: 250px;
}
.ctn1 .ctn-list .left .view a {
  position: absolute;
  right: 0;
  top: 0;
  width: 0;
  height: 0;
  background: #e60012;
  display: flex;
  align-items: center;
  justify-content: center;
}
.ctn1 .ctn-list .left .view a svg {
  width: 32px;
  height: 32px;
}
.ctn1 .ctn-list .left .view a svg path {
  fill: #fff;
}
.ctn1 .ctn-list .left .view.animated a {
  width: 70px;
  height: 70px;
  transition: all 0.5s ease 0.5s;
  -webkit-transition: all 0.5s ease 0.5s;
  -moz-transition: all 0.5s ease 0.5s;
  -ms-transition: all 0.5s ease 0.5s;
}
.ctn1 .ctn-list .right {
  width: 50%;
}
.ctn1 .ctn-list .right ul li {
  height: 640px;
}
.ctn1 .ctn-list .right ul li:nth-child(1) .tu img {
  height: 0;
}
.ctn1 .ctn-list .right ul li:nth-child(2) {
  height: 318px;
}
.ctn1 .ctn-list .right ul li:nth-child(2) h2 {
  top: auto;
  bottom: 24px;
}
.ctn1 .ctn-list .right ul li:nth-child(2) .tu img {
  width: 0;
  height: 318px;
}
.ctn1 .ctn-list .right ul li.animated:nth-child(1) .tu img {
  height: 640px;
  transition: all 1s;
  -webkit-transition: all 1s;
  -moz-transition: all 1s;
  -ms-transition: all 1s;
}
.ctn1 .ctn-list .right ul li.animated:nth-child(2) .tu img {
  width: 640px;
  transition: all 1s;
  -webkit-transition: all 1s;
  -moz-transition: all 1s;
  -ms-transition: all 1s;
}
.ctn1 .ctn-mobile {
  display: none;
}
.ctn2 {
  padding: 3vw 0;
  background: #151515;
  overflow: hidden;
}
.ctn2 .s-title {
  color: #fff;
  text-align: center;
}
.ctn2 .s-title h2 {
  font-weight: bold;
}
.ctn2 .s-title p {
  margin-top: 1.5vw;
}
.ctn2 .ctn-list {
  margin-top: 4vw;
}
.ctn2 .ctn-list ul li {
  position: relative;
}
.ctn2 .ctn-list ul li a {
  display: flex;
  position: relative;
}
.ctn2 .ctn-list ul li a .tu {
  width: 60%;
  height: 364px;
  position: relative;
  overflow: hidden;
}
.ctn2 .ctn-list ul li a .tu img {
  position: absolute;
  top: 0;
  width: 0;
  height: 364px;
  object-fit: cover;
  transition: all 1s;
  -webkit-transition: all 1s;
  -moz-transition: all 1s;
  -ms-transition: all 1s;
}
.ctn2 .ctn-list ul li a .text {
  width: 40%;
  padding: 3vw 5vw 5vw 2.5vw;
  color: #fff;
  position: relative;
  opacity: 0;
}
.ctn2 .ctn-list ul li a .text h2 {
  font-weight: bold;
}
.ctn2 .ctn-list ul li a .text p {
  margin: 1.5vw 0 2vw;
  -webkit-line-clamp: 2;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  text-overflow: ellipsis;
  overflow: hidden;
  line-height: 1.5;
  height: 3em;
}
.ctn2 .ctn-list ul li a .text h3 {
  width: 36px;
  height: 36px;
  background: #373737;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.ctn2 .ctn-list ul li a .text h3:before {
  content: '';
  width: 0;
  height: 0;
  background: #e60012;
  position: absolute;
  right: 0;
  top: 0;
  transition: all 0.5s;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -ms-transition: all 0.5s;
}
.ctn2 .ctn-list ul li a .text h3 svg {
  width: 20px;
  height: 20px;
  position: relative;
  z-index: 2;
}
.ctn2 .ctn-list ul li a .text h3 svg path {
  fill: rgba(255, 255, 255, 0.34);
  transition: all 0.5s;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -ms-transition: all 0.5s;
}
.ctn2 .ctn-list ul li:nth-child(1) {
  padding-left: 200px;
}
.ctn2 .ctn-list ul li:nth-child(1) a:before {
  content: '';
  width: 24px;
  height: 0;
  background: #e60012;
  position: absolute;
  bottom: -84px;
  left: -24px;
}
.ctn2 .ctn-list ul li:nth-child(2) {
  padding-left: 200px;
  right: -70px;
}
.ctn2 .ctn-list ul li:nth-child(3) {
  padding-right: 200px;
  left: 84px;
}
.ctn2 .ctn-list ul li:nth-child(3):after {
  content: '';
  width: 2px;
  height: 0;
  background: #e60012;
  position: absolute;
  right: 70px;
  top: -72px;
}
.ctn2 .ctn-list ul li:nth-child(3) a:before {
  content: '';
  width: 24px;
  height: 0;
  background: #e60012;
  position: absolute;
  bottom: -46px;
  left: -24px;
}
.ctn2 .ctn-list ul li:nth-child(3) a .tu {
  width: 57%;
  height: 468px;
  margin-top: -80px;
}
.ctn2 .ctn-list ul li:nth-child(3) a .tu img {
  height: 468px;
}
.ctn2 .ctn-list ul li:nth-child(3) a .text {
  width: 43%;
}
.ctn2 .ctn-list ul li:nth-child(4) {
  padding-left: 200px;
  left: 38px;
}
.ctn2 .ctn-list ul li:nth-child(4) a .tu {
  width: 57%;
  height: 468px;
  margin-top: -60px;
}
.ctn2 .ctn-list ul li:nth-child(4) a .tu img {
  height: 468px;
}
.ctn2 .ctn-list ul li:nth-child(4) a .text {
  width: 43%;
  position: relative;
}
.ctn2 .ctn-list ul li:nth-child(4) a .text:before {
  content: '';
  width: 0;
  height: 8px;
  background: #e60012;
  position: absolute;
  top: 3.5vw;
  right: -52px;
}
.ctn2 .ctn-list ul li:nth-child(5) {
  padding-left: 200px;
}
.ctn2 .ctn-list ul li:nth-child(5) a:before {
  content: '';
  width: 3px;
  height: 0;
  background: #e60012;
  position: absolute;
  left: 41%;
  top: -100px;
  z-index: 4;
}
.ctn2 .ctn-list ul li:nth-child(5) a:after {
  content: '';
  width: 24px;
  height: 0;
  background: #e60012;
  position: absolute;
  left: 43%;
  top: 60px;
}
.ctn2 .ctn-list ul li:nth-child(5) a .tu {
  height: 426px;
}
.ctn2 .ctn-list ul li:nth-child(5) a .tu img {
  height: 426px;
}
.ctn2 .ctn-list ul li:nth-child(5) a .text {
  padding: 3vw 3vw 5vw 2.5vw;
}
.ctn2 .ctn-list ul li:nth-child(odd) a .tu img {
  right: 0;
}
.ctn2 .ctn-list ul li:nth-child(odd) a .text {
  left: 60px;
}
.ctn2 .ctn-list ul li:nth-child(even) a .tu {
  order: 2;
}
.ctn2 .ctn-list ul li:nth-child(even) a .tu img {
  left: 0;
}
.ctn2 .ctn-list ul li:nth-child(even) a .text {
  padding: 3vw 2.5vw 5vw 2vw;
  text-align: right;
  left: -60px;
}
.ctn2 .ctn-list ul li:nth-child(even) a .text h3 {
  float: right;
}
.ctn2 .ctn-list ul li.animated a .tu img {
  width: 100%;
}
.ctn2 .ctn-list ul li.animated a .text {
  left: 0;
  opacity: 1;
  transition: all 1s ease 0.3s;
  -webkit-transition: all 1s ease 0.3s;
  -moz-transition: all 1s ease 0.3s;
  -ms-transition: all 1s ease 0.3s;
}
.ctn2 .ctn-list ul li.animated:nth-child(1) a:before {
  height: 84px;
  transition: all 0.5s ease 0.5s;
  -webkit-transition: all 0.5s ease 0.5s;
  -moz-transition: all 0.5s ease 0.5s;
  -ms-transition: all 0.5s ease 0.5s;
}
.ctn2 .ctn-list ul li.animated:nth-child(3):after {
  height: 154px;
  transition: all 0.5s ease 0.5s;
  -webkit-transition: all 0.5s ease 0.5s;
  -moz-transition: all 0.5s ease 0.5s;
  -ms-transition: all 0.5s ease 0.5s;
}
.ctn2 .ctn-list ul li.animated:nth-child(3) a:before {
  height: 176px;
  transition: all 0.5s ease 0.5s;
  -webkit-transition: all 0.5s ease 0.5s;
  -moz-transition: all 0.5s ease 0.5s;
  -ms-transition: all 0.5s ease 0.5s;
}
.ctn2 .ctn-list ul li.animated:nth-child(4) a .text:before {
  width: 72px;
  transition: all 0.5s ease 0.5s;
  -webkit-transition: all 0.5s ease 0.5s;
  -moz-transition: all 0.5s ease 0.5s;
  -ms-transition: all 0.5s ease 0.5s;
}
.ctn2 .ctn-list ul li.animated:nth-child(5) a:before {
  height: 176px;
  transition: all 0.5s ease 0.5s;
  -webkit-transition: all 0.5s ease 0.5s;
  -moz-transition: all 0.5s ease 0.5s;
  -ms-transition: all 0.5s ease 0.5s;
}
.ctn2 .ctn-list ul li.animated:nth-child(5) a:after {
  height: 44px;
  transition: all 0.5s ease 0.8s;
  -webkit-transition: all 0.5s ease 0.8s;
  -moz-transition: all 0.5s ease 0.8s;
  -ms-transition: all 0.5s ease 0.8s;
}
.ctn2 .ctn-list ul li:hover a .tu img {
  transform: scale(1.05);
  -webkit-transform: scale(1.05);
  -moz-transform: scale(1.05);
  -ms-transform: scale(1.05);
}
.ctn2 .ctn-list ul li:hover a .text h3:before {
  width: 100%;
  height: 100%;
}
.ctn2 .ctn-list ul li:hover a .text h3 svg path {
  fill: #fff;
}
.ctn3 {
  padding: 3vw 0;
}
.ctn3 .s-title {
  display: flex;
}
.ctn3 .s-title h2 {
  width: 360px;
  position: relative;
  font-weight: bold;
  color: #222;
}
.ctn3 .s-title h2:before {
  content: '';
  width: 30px;
  height: 30px;
  background: url(../image/a382298c-39d3-42e7-8b6d-c75c02d0b68c.png) no-repeat;
  background-size: contain;
  position: absolute;
  left: 0;
  top: 26px;
}
.ctn3 .s-title .text {
  width: 710px;
  text-align: justify;
  color: #222;
  position: relative;
  top: 4px;
}
.ctn3 .s-title .text p strong {
  display: block;
  margin-top: 1vw;
}
.ctn3 .tu {
  margin-top: 5vw;
  position: relative;
}
.ctn3 .tu img {
  width: 100%;
}
.ctn3 .tu ul {
  position: absolute;
  width: 100%;
  padding: 0 2vw;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  -webkit-transform: translateY(-50%);
  -moz-transform: translateY(-50%);
  -ms-transform: translateY(-50%);
  display: flex;
  justify-content: space-between;
  color: #fff;
}
.ctn3 .tu ul li {
  padding: 0 4vw;
  position: relative;
}
.ctn3 .tu ul li .num {
  display: flex;
  align-items: flex-end;
  margin-top: 1vw;
}
.ctn3 .tu ul li .num h2 {
  font-size: 80px;
  font-weight: bold;
  line-height: 1;
}
.ctn3 .tu ul li .num span {
  margin-left: 10px;
}
.ctn3 .tu ul li:nth-child(2):before {
  content: '';
  width: 1px;
  height: 34px;
  background: #e60012;
  position: absolute;
  left: 0;
  top: 70%;
  transform: translateY(-50%);
  -webkit-transform: translateY(-50%);
  -moz-transform: translateY(-50%);
  -ms-transform: translateY(-50%);
}
.ctn3 .tu ul li:nth-child(2):after {
  content: '';
  width: 1px;
  height: 34px;
  background: #e60012;
  position: absolute;
  right: 0;
  top: 70%;
  transform: translateY(-50%);
  -webkit-transform: translateY(-50%);
  -moz-transform: translateY(-50%);
  -ms-transform: translateY(-50%);
}
.ctn4 {
  padding: 2vw 0 6vw;
  overflow: hidden;
}
.ctn4 .s-title h2 {
  display: inline-block;
  font-weight: bold;
  color: #e60012;
  position: relative;
}
.ctn4 .s-title h2:after {
  content: '';
  width: 24px;
  height: 24px;
  background: url(../image/69bc80c9-099f-4127-916e-b060bafe0e0b.png);
  background-size: contain;
  position: absolute;
  right: -30px;
  top: -4px;
}
.ctn4 .ctn-list {
  margin-top: 1vw;
}
.ctn4 .ctn-list .form {
  display: flex;
  justify-content: space-between;
}
.ctn4 .ctn-list .form .box {
  width: 31.8%;
}
.ctn4 .ctn-list .form .box input {
  width: 100%;
  height: 52px;
  border: 1px solid rgba(33, 33, 33, 0.39);
  background: none;
  font-size: 16px;
  padding: 0 20px;
}
.ctn4 .ctn-list .learn {
  margin: 2.5vw auto 0;
}
@media screen and (max-width: 1600px) {
  .banner .swiper-slide .text.text1 h2 {
    font-size: 80px;
    height: 120px;
  }
  .banner .swiper-slide .text.text2 h2 {
    font-size: 50px;
  }
  .banner .swiper-slide .text.text2 h3 {
    font-size: 50px;
  }
  .ctn3 .s-title h2:before {
    top: 20px;
  }
  .ctn3 .tu ul li .num h2 {
    font-size: 4vw;
  }
}
@media screen and (max-width: 1440px) {
  .w1280 {
    width: 1100px;
  }
  .banner .swiper-slide .text.text1 h2 {
    font-size: 70px;
    height: 100px;
  }
  .banner .swiper-slide .text.text2 h2 {
    font-size:50px;
  }
  .banner .swiper-slide .text.text2 h3 {
    font-size: 50px;
  }
  .ctn1 .ctn-list .left ul li {
    height: 274px;
  }
  .ctn1 .ctn-list .left ul li:nth-child(1) .tu img {
    height: 274px;
  }
  .ctn1 .ctn-list .left ul li:nth-child(2) .tu {
    width: 275px;
    height: 274px;
  }
  .ctn1 .ctn-list .left ul li:nth-child(2) .tu img {
    height: 274px;
  }
  .ctn1 .ctn-list .left ul li:nth-child(3) {
    height: 544px;
  }
  .ctn1 .ctn-list .left ul li.animated:nth-child(1) .tu img {
    width: 550px;
  }
  .ctn1 .ctn-list .left ul li.animated:nth-child(2) .tu img {
    width: 274px;
  }
  .ctn1 .ctn-list .left ul li.animated:nth-child(3) .tu img {
    height: 544px;
  }
  .ctn1 .ctn-list .left .view {
    width: 60px;
    height: 60px;
    top: 548px;
    left: 214px;
  }
  .ctn1 .ctn-list .left .view.animated a {
    width: 60px;
    height: 60px;
  }
  .ctn1 .ctn-list .right ul li {
    height: 550px;
  }
  .ctn1 .ctn-list .right ul li:nth-child(2) {
    height: 273px;
  }
  .ctn1 .ctn-list .right ul li:nth-child(2) .tu img {
    height: 273px;
  }
  .ctn1 .ctn-list .right ul li.animated:nth-child(1) .tu img {
    height: 550px;
  }
  .ctn1 .ctn-list .right ul li.animated:nth-child(2) .tu img {
    width: 550px;
  }
  .ctn2 .ctn-list ul li a .tu {
    height: 336px;
  }
  .ctn2 .ctn-list ul li a .tu img {
    height: 336px;
  }
  .ctn2 .ctn-list ul li:nth-child(1) {
    padding-left: 100px;
  }
  .ctn2 .ctn-list ul li:nth-child(1) a:before {
    width: 18px;
    bottom: -74px;
    left: -18px;
  }
  .ctn2 .ctn-list ul li:nth-child(2) {
    padding-left: 100px;
  }
  .ctn2 .ctn-list ul li:nth-child(3) {
    padding-right: 100px;
    left: 0;
  }
  .ctn2 .ctn-list ul li:nth-child(3):after {
    right: 0;
    top: -60px;
  }
  .ctn2 .ctn-list ul li:nth-child(3) a:before {
    width: 18px;
    left: -18px;
    bottom: -46px;
  }
  .ctn2 .ctn-list ul li:nth-child(3) a .tu {
    height: 432px;
    margin-top: -40px;
  }
  .ctn2 .ctn-list ul li:nth-child(3) a .tu img {
    height: 432px;
  }
  .ctn2 .ctn-list ul li:nth-child(4) {
    padding-left: 100px;
    left: 40px;
  }
  .ctn2 .ctn-list ul li:nth-child(4) a .tu {
    height: 424px;
  }
  .ctn2 .ctn-list ul li:nth-child(4) a .tu img {
    height: 424px;
  }
  .ctn2 .ctn-list ul li:nth-child(5) {
    padding-left: 100px;
  }
  .ctn2 .ctn-list ul li:nth-child(5) a:before {
    top: -80px;
  }
  .ctn2 .ctn-list ul li:nth-child(5) a:after {
    width: 18px;
  }
  .ctn2 .ctn-list ul li:nth-child(5) a .tu {
    height: 394px;
  }
  .ctn2 .ctn-list ul li:nth-child(5) a .tu img {
    height: 394px;
  }
  .ctn2 .ctn-list ul li.animated:nth-child(1) a:before {
    height: 74px;
  }
  .ctn2 .ctn-list ul li.animated:nth-child(3) a:before {
    height: 160px;
  }
  .ctn2 .ctn-list ul li.animated:nth-child(3):after {
    height: 140px;
  }
  .ctn2 .ctn-list ul li.animated:nth-child(5) a:before {
    height: 160px;
  }
  .ctn4 .s-title h2:after {
    width: 20px;
    height: 20px;
    right: -26px;
    top: -2px;
  }
}
@media screen and (max-width: 1200px) {
  .w1280 {
    width: 960px;
  }
  .banner {
    margin-top: 60px;
  }
  .banner .swiper-slide .tu {
    height: calc(100vh - 60px);
  }
  .ctn1 .ctn-list .left .view {
    left: 180px;
  }
  .ctn2 .ctn-list ul li:nth-child(3) {
    left: 24px;
  }
  .ctn3 .s-title h2:before {
    top: 14px;
  }
}
@media screen and (max-width: 1024px) {
  .w1280 {
    width: 90%;
  }
  .ctn2 .ctn-list ul li:nth-child(1) {
    padding-left: 50px;
  }
  .ctn2 .ctn-list ul li:nth-child(2) {
    right: 0;
  }
  .ctn2 .ctn-list ul li:nth-child(2) a .tu {
    width: 54%;
  }
  .ctn2 .ctn-list ul li:nth-child(2) a .text {
    width: 46%;
  }
  .ctn2 .ctn-list ul li:nth-child(3) {
    left: 8px;
  }
  .ctn2 .ctn-list ul li:nth-child(3):after {
    right: 40px;
  }
  .ctn2 .ctn-list ul li:nth-child(4) {
    left: 24px;
  }
}
@media screen and (max-width: 768px) {
  .learn {
    margin: 0 auto;
  }
  .banner .swiper-slide .text.text1 h2 {
    font-size: 30px;
    height: 46px;
    letter-spacing: 0;
  }
  .banner .swiper-slide .text.text1 p {
    margin: 10px 0 20px;
  }
  .banner .swiper-slide .text.text1 .more img {
    width: 14px;
  }
  .banner .swiper-slide .text.text2 h2 {
    font-size: 30px;
  }
  .banner .swiper-slide .text.text2 h3 {
    font-size: 30px;
  }
  .banner .swiper-slide .text.text2 p {
    font-size: 12px;
    margin: 10px 0 20px;
  }
  .banner .swiper-slide .text.text2 .more img {
    width: 14px;
  }
  .banner .swiper-pagination {
    bottom: 20px;
  }
  .banner .swiper-pagination .swiper-pagination-bullet {
    margin: 0 6px;
  }
  .ctn1 {
    padding: 40px 0;
  }
  .ctn1 .s-title h2 {
    font-size: 24px;
    padding-left: 32px;
  }
  .ctn1 .s-title h2:before {
    width: 20px;
    height: 20px;
  }
  .ctn1 .s-title p {
    font-size: 14px;
    margin-top: 14px;
    line-height: 1.6;
  }
  .ctn1 .ctn-list {
    display: none;
  }
  .ctn1 .ctn-mobile {
    display: block;
    overflow: hidden;
  }
  .ctn1 .ctn-mobile ul {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    margin-top: 6px;
  }
  .ctn1 .ctn-mobile ul li {
    width: 48.5%;
    margin-top: 14px;
    position: relative;
  }
  .ctn1 .ctn-mobile ul li .tu {
    height: 200px;
  }
  .ctn1 .ctn-mobile ul li .tu img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .ctn1 .ctn-mobile ul li h2 {
    position: absolute;
    font-size: 16px;
    text-align: center;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    -webkit-transform: translate(-50%, -50%);
    -moz-transform: translate(-50%, -50%);
    -ms-transform: translate(-50%, -50%);
    color: #fff;
  }
  .ctn1 .ctn-mobile ul li:last-child {
    border: 1px solid #eee;
  }
  .ctn1 .ctn-mobile ul li:last-child h2 {
    color: #333;
  }
  .ctn2 {
    padding: 40px 0;
  }
  .ctn2 .s-title h2 {
    font-size: 24px;
    padding-left: 32px;
  }
  .ctn2 .s-title h2:before {
    width: 20px;
    height: 20px;
  }
  .ctn2 .s-title p {
    font-size: 14px;
    margin-top: 14px;
    line-height: 1.6;
  }
  .ctn2 .ctn-list {
    margin-top: 20px;
  }
  .ctn2 .ctn-list ul li {
    padding-left: 0!important;
    padding-right: 0!important;
    left: 0!important;
  }
  .ctn2 .ctn-list ul li:before {
    display: none!important;
  }
  .ctn2 .ctn-list ul li:after {
    display: none!important;
  }
  .ctn2 .ctn-list ul li a {
    display: block;
  }
  .ctn2 .ctn-list ul li a .text {
    padding: 20px 0 30px;
  }
  .ctn2 .ctn-list ul li a .text:before {
    display: none!important;
  }
  .ctn2 .ctn-list ul li a .text h2 {
    font-size: 16px;
  }
  .ctn2 .ctn-list ul li a .text p {
    margin: 10px 0 20px;
  }
  .ctn2 .ctn-list ul li a:before {
    display: none!important;
  }
  .ctn2 .ctn-list ul li a .tu {
    width: 100%!important;
    height: 200px!important;
    margin-top: 0!important;
  }
  .ctn2 .ctn-list ul li a .tu img {
    height: 200px!important;
  }
  .ctn2 .ctn-list ul li a .text {
    width: 100%!important;
    overflow: hidden;
  }
  .ctn3 {
    padding: 40px 0;
  }
  .ctn3 .s-title {
    display: block;
  }
  .ctn3 .s-title h2 {
    font-size: 24px;
    padding-left: 32px;
  }
  .ctn3 .s-title h2:before {
    width: 20px;
    height: 20px;
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    -webkit-transform: translateY(-50%);
    -moz-transform: translateY(-50%);
    -ms-transform: translateY(-50%);
  }
  .ctn3 .s-title .text {
    width: 100%;
    top: 0;
  }
  .ctn3 .s-title .text p {
    font-size: 14px;
    margin-top: 14px;
    line-height: 1.6;
  }
  .ctn3 .tu {
    margin-top: 30px;
  }
  .ctn3 .tu ul {
    padding: 0 20px;
  }
  .ctn3 .tu ul li {
    padding: 0;
  }
  .ctn3 .tu ul li h3 {
    white-space: nowrap;
  }
  .ctn3 .tu ul li .num {
    margin-top: 10px;
  }
  .ctn3 .tu ul li .num h2 {
    font-size: 22px;
    white-space: nowrap;
  }
  .ctn3 .tu ul li .num span {
    font-size: 12px;
    margin-left: 4px;
  }
  .ctn3 .tu ul li:nth-child(2) {
    padding: 0 14px;
  }
  .ctn3 .tu ul li:nth-child(2):before {
    height: 30px;
  }
  .ctn3 .tu ul li:nth-child(2):after {
    height: 30px;
  }
  .ctn4 {
    padding: 20px 0 40px;
  }
  .ctn4 .s-title h2 {
    font-size: 18px;
  }
  .ctn4 .ctn-list {
    margin-top: 6px;
  }
  .ctn4 .ctn-list .form {
    flex-wrap: wrap;
  }
  .ctn4 .ctn-list .form .box {
    width: 100%;
    margin-top: 14px;
  }
  .ctn4 .ctn-list .form .box input {
    height: 44px;
    font-size: 14px;
    padding: 0 14px;
  }
  .ctn4 .ctn-list .learn {
    margin: 20px auto 0;
  }
}
@media screen and (max-width: 320px) {
  .ctn3 .tu img {
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    object-fit: cover;
  }
  .ctn3 .tu ul {
    flex-wrap: wrap;
    position: relative;
    padding: 20px;
    top: 0;
    transform: translateY(0);
    -webkit-transform: translateY(0);
    -moz-transform: translateY(0);
    -ms-transform: translateY(0);
  }
  .ctn3 .tu ul li {
    width: 100%;
    padding: 0;
  }
  .ctn3 .tu ul li:nth-child(2) {
    padding: 0;
  }
  .ctn3 .tu ul li:nth-child(2):before {
    display: none;
  }
  .ctn3 .tu ul li:nth-child(2):after {
    display: none;
  }
  .ctn3 .tu ul li:not(:first-child) {
    margin-top: 20px;
  }
}