@keyframes pulse {
  0% {
      transform: scale(1);
  }

  50% {
      transform: scale(1.05);
  }

  100% {
      transform: scale(1);
  }
}

.java ul {
  list-style: none;
}

.java .section-main {
  width: 1200px;
  padding: 80px 0;
  margin: 0 auto;
}

.java .section-head {
  text-align: center;
  font-size: 18px;
  line-height: 28px;
  color: #666666;
}

.java h2 {
  font-weight: 600;
  font-size: 40px;
  line-height: 40px;
  color: #333333;
}

.java h2+div {
  width: 969px;
  margin: 20px auto 0;
}

.java .section-body {
  margin-top: 70px;
}

.java .header img {
  width: 100%;
}

.java .header .swiper-pagination {
  bottom: 15px;
  padding-left: 348px;
  text-align: left;
  font-size: 0;
}

.java .header .swiper-pagination-bullet {
  width: 40px;
  height: 4px;
  border-width: 10px 0;
  border-style: solid;
  border-color: transparent;
  border-radius: 0;
  margin: 0 3px;
  box-sizing: content-box;
  background: #E6F0FF;
  background-clip: content-box;
  opacity: 0.5;
}

.java .header .swiper-pagination-bullet-active {
  background: #FFFFFF;
  background-clip: content-box;
  opacity: 1;
}

.java .nav {
  height: 66px;
}

.java .nav-main {
  box-shadow: 0 3px 10px rgb(5 36 82 / 8%);
  background-color: #FFFFFF;
}

.java .nav-main.fixed {
  position: fixed;
  top: 0;
  z-index: 99999;
  width: 100%;
}

.java .nav ul {
  display: flex;
  justify-content: space-between;
  width: 1200px;
  margin: 0 auto;
}

.java .nav li {
  position: relative;
  height: 66px;
  font-weight: 400;
  font-size: 16px;
  line-height: 66px;
  color: #666666;
  cursor: pointer;
}

.java .nav li.active {
  font-weight: 800;
  color: #333333;
}

.java .nav li.active::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 2px;
  background-color: #2A7EFC;
}

.java .section1 {
  background: url("/static/images/java_section1_bg.png") left top/100% 100% no-repeat;
}

.java .section1 ul {
  display: flex;
  justify-content: space-between;
}

.java .section1 li {
  text-align: center;
  font-weight: 500;
  font-size: 18px;
  line-height: 18px;
  color: #333333;
}

.java .section1 img {
  width: 128px;
  height: 128px;
  margin: 0 auto 30px;
}

.java .section2 {
  background: url("/static/images/java_section2_bg.png") left top/100% 100% no-repeat;
}

.java .section2 ul {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  align-content: flex-start;
}

.java .section2 li {
  display: flex;
  align-items: center;
  width: 388px;
  height: 146px;
  padding: 0 52px 0 40px;
  margin-bottom: 18px;
  background-color: #FFFFFF;
  font-size: 14px;
  line-height: 22px;
  color: #777777;
  transition: 0.3s;
}

.java .section2 li:hover {
  box-shadow: 0 4px 12px 0px rgba(0, 25, 74, 0.04);
  transform: translateY(-10px);
}

.java .section2 img {
  width: 68px;
  height: 68px;
  margin-right: 28px;
}

.java .section2 .title {
  margin-bottom: 11px;
  font-weight: 500;
  font-size: 18px;
  line-height: 18px;
  color: #282828;
}

.java .section3 {
  background: url("/static/images/java_section3_bg.png") left top/100% 100% no-repeat;
}

.java .section3 .section-body {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.java .section3 ul {
  width: 354px;
  background-color: #FFFFFF;
}

.java .section3 li {
  display: flex;
  align-items: center;
  height: 106px;
  padding-right: 40px;
  font-weight: 500;
  font-size: 16px;
  line-height: 24px;
  color: #333333;
  cursor: pointer;
}

.java .section3 li+li {
  border-top: 1px solid #EEEEEE;
}

.java .section3 li div:first-child {
  flex: none;
  width: 40px;
  height: 40px;
  margin: 0 37px;
}

.java .section3 li img {
  width: 42px;
  height: 42px;
}

.java .section3 .section-body>div img {
  width: 740px;
  height: 590px;
}

.java .section4 {
  background: url("/static/images/java_section4_bg.png") left top/100% 100% no-repeat;
}

.java .section4 .section-head,
.java .section4 h2 {
  color: #FFFFFF;
}

.java .section4 .section-body {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.java .section4 ul {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.java .section4 ul:last-child {
  align-items: flex-start;
}

.java .section4 ul:first-child img {
  margin: 10px 70px 10px 0;
}

.java .section4 ul:first-child img:nth-child(4) {
  margin-right: 130px;
}

.java .section4 ul:last-child img {
  margin: 10px 0 10px 70px;
}

.java .section4 ul:last-child img:nth-child(4) {
  margin-left: 130px;
}

.java .section4 li {
  display: flex;
  align-items: center;
  height: 70px;
  font-size: 14px;
  line-height: 16px;
  color: #FFFFFF;
}

.java .section4 ul:first-child li {
  padding-right: 5px;
  text-align: right;
}

.java .section4 ul:last-child li {
  padding-left: 5px;
}

.java .section4 .text {
  flex: 1;
}

.java .section4 ul:first-child .text {
  margin-right: 20px;
}

.java .section4 ul:last-child .text {
  margin-left: 20px;
}

.java .section4 .icon {
  width: 70px;
  height: 60px;
  background: url("/static/images/java_section4_item_bg2.png") left top/100% 100% no-repeat;
  text-align: center;
  font-size: 0;
  line-height: 60px;
}

.java .section4 .iconfont {
  vertical-align: middle;
  font-size: 26px;
  color: #A9CBFD;
}

.java .section4 ul:first-child li:nth-child(3),
.java .section4 ul:first-child li:nth-child(5) {
  margin-right: 94px;
}

.java .section4 ul:last-child li:nth-child(3),
.java .section4 ul:last-child li:nth-child(5) {
  margin-left: 94px;
}

.java .section4 .text>div:first-child {
  margin-bottom: 10px;
  font-size: 20px;
}

.java .section4 .section-body>div img {
  display: none;
  width: 315px;
  height: 590px;
}

.java .section4 .section-body>div img:first-child {
  display: block;
}

.java .section4 ul:first-child li.active {
  background: url("/static/images/java_section4_item_bg1.png") right center/334px 70px no-repeat;
}

.java .section4 ul:last-child li.active {
  background: url("/static/images/java_section4_item_bg3.png") left center/334px 70px no-repeat;
}

.java .section4 li.active .iconfont {
  color: #2A7EFC;
}

.java .section5 {
  position: relative;
  background: url("/static/images/java_section5_bg.png") left top/100% 100% no-repeat;
}

.java .section5 .section-body {
  display: flex;
  align-items: center;
}

.java .section5 .video-box {
  position: relative;
  width: 628px;
  height: 420px;
  background-color: #FFFFFF;
}

.java .section5 .video-box .java_section5_content {
  width: 100%;
  height: 100%;
}
.java .section5 .video-box .mac_logo {
  position: absolute;
  width: 30px;
  right: 146px;
  top: 74px;
}

.java .section5 .wrapper {
  padding: 64px 0 0 61px;
  background: url("/static/images/java_section5-1.png") 61px top/41px no-repeat;
}

.java .section5 .wrapper-head {
  font-size: 28px;
  line-height: 28px;
  color: #333333;
}

.java .section5 ul {
  margin-top: 36px;
  counter-reset: ul;
}

.java .section5 li {
  position: relative;
  padding-left: 18px;
  font-size: 13px;
  line-height: 16px;
  color: #777777;
}

.java .section5 li+li {
  margin-top: 26px;
}

.java .section5 li::before {
  counter-increment: ul;
  content: counter(ul, disc);
  position: absolute;
  top: 0;
  left: 0;
  color: #2A7EFB;
}

.java .section5 li div:first-child {
  margin-bottom: 12px;
  font-size: 16px;
  color: #333333;
}

.java .section11 {
  background: url("/static/images/java_section11_bg.png") left top/100% 100% no-repeat;
}

.java .section11 .section-body {
  display: flex;
  margin-top: 0;
}

.java .section11 .wrapper {
  flex: none;
  padding: 64px 0 0;
  background: url("/static/images/java_section5-2.png") left top/41px no-repeat;
}

.java .section11 .wrapper-head {
  font-size: 28px;
  line-height: 28px;
  color: #333333;
}

.java .section11 ul {
  margin-top: 36px;
  counter-reset: ul;
}

.java .section11 li {
  position: relative;
  padding-left: 18px;
  font-size: 13px;
  line-height: 16px;
  color: #777777;
}

.java .section11 li+li {
  margin-top: 26px;
}

.java .section11 li::before {
  counter-increment: ul;
  content: counter(ul, disc);
  position: absolute;
  top: 0;
  left: 0;
  color: #2A7EFB;
}

.java .section11 li div:first-child {
  margin-bottom: 12px;
  font-size: 16px;
  color: #333333;
}

.java .section11 .swiper-box {
  position: relative;
  margin-left: 52px;
}

.java .section11 .swiper {
  width: 680px;
  height: 394px;
}

.java .section11 img {
  width: 100%;
  height: 100%;
}

.java .section11 .custom-pagination {
  position: absolute;
  top: 100%;
  left: 50%;
  width: 360px;
  height: 6px;
  border-radius: 3px;
  margin: 25px 0 0 -180px;
  background: linear-gradient(90deg, #E93323 20%, #FE5C2C 40%, #FF438F 60%, #1DB0FC 80%, #41CA4C 100%);
}

.java .section11 .custom-pagination span {
  position: absolute;
  top: 50%;
  left: 0;
  width: 16px;
  height: 16px;
  border: 4px solid #FFFFFF;
  border-radius: 50%;
  box-shadow: 0 0 4px 0 rgba(0, 0, 0, 0.1);
  transform: translate(-100%, -50%);
}

.java .section6 {
  background: url("/static/images/java_section6_bg.png") left top/100% 100% no-repeat;
}

.java .section6 ul {
  display: flex;
  flex-wrap: wrap;
  align-content: flex-start;
}

.java .section6 li {
  flex: none;
  width: 240px;
  padding: 0 35px;
  margin-bottom: 60px;
  text-align: center;
  font-size: 14px;
  line-height: 22px;
  color: #999999;
}

.java .section6 img {
  width: 60px;
  height: 60px;
  margin: 0 auto 30px;
}

.java .section6 li div:nth-child(2) {
  margin-bottom: 8px;
  font-weight: 800;
  font-size: 18px;
  line-height: 21px;
  color: #333333;
}

.java .section7 {
  background: url("/static/images/java_section7_bg.png") left top/100% 100% no-repeat;
}

.java .section7 ul {
  display: flex;
}

.java .section7 li {
  flex: none;
  width: 300px;
  padding: 0 28px;
  text-align: center;
  font-size: 14px;
  line-height: 26px;
  color: #999999;
}

.java .section7 img {
  width: 142px;
  height: 110px;
  margin: 0 auto 30px;
}

.java .section7 li div:nth-child(2) {
  margin-bottom: 10px;
  font-weight: 500;
  font-size: 20px;
  line-height: 20px;
  color: #333333;
}

.java .section8 {
  position: relative;
  background: url("/static/images/java_section8_bg.png") left top/100% 100% no-repeat;
  overflow: hidden;
}

.java .section8 .section-side {
  position: absolute;
  top: 0;
  left: 0;
  width: 310px;
  height: 476px;
  margin-top: -266px;
  background: url("/static/images/java_section8_side.png") right top/475px 476px no-repeat;
}

.java .section8 .section-head,
.java .section8 h2 {
  color: #374F75;
}

.java .section8 .cards {
  display: flex;
  justify-content: space-between;
}

.java .section8 .card {
  width: 280px;
  height: 390px;
  border-radius: 4px;
  background: #FFFFFF url("/static/images/java_section8_item.png") right top/147px 107px no-repeat;
  cursor: pointer;
  transition: 0.3s;
}

.java .section8 .card:hover {
  box-shadow: 0 3px 16px 1px rgba(0, 38, 116, 0.1);
}

.java .section8 .card-head {
  height: 82px;
  padding-left: 27px;
  background: linear-gradient(89deg, rgba(42, 126, 252, 0.1) 0%, rgba(255, 255, 255, 0) 100%);
  font-weight: 600;
  font-size: 22px;
  line-height: 82px;
  color: #374F75;
}

.java .section8 .card-body {
  padding: 38px 30px 0 26px;
}

.java .section8 .item {
  position: relative;
  padding-left: 13px;
  font-size: 14px;
  line-height: 23px;
  color: #757F9F;
}

.java .section8 .item+.item {
  margin-top: 25px;
}

.java .section8 .item::before {
  content: "";
  position: absolute;
  top: 3px;
  left: 0;
  width: 3px;
  height: 12px;
  background-color: #2A7EFB;
}

.java .section8 .item .title {
  margin-bottom: 8px;
  font-size: 16px;
  line-height: 19px;
  color: #282828;
}

.java .section9 ul {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  align-content: flex-start;
  margin-bottom: -21px;
}

.java .section9 li {
  display: flex;
  align-items: center;
  width: 386px;
  height: 140px;
  padding: 0 30px;
  border: 1px solid #DDDDDD;
  border-radius: 4px;
  margin-bottom: 21px;
  box-shadow: 0 3px 20px 1px rgba(5, 36, 82, 0.07);
  font-size: 14px;
  line-height: 19px;
  color: #666666;
}

.java .section9 li:hover {
  background: linear-gradient(180deg, #EAEEF5 0%, #FFFFFF 100%);
}

.java .section9 img {
  width: 44px;
  height: 50px;
  margin-right: 20px;
}

.java .section9 li div div:first-child {
  margin-bottom: 6px;
  font-weight: bold;
  font-size: 18px;
  line-height: 25px;
  color: #000000;
}

.java .section10 {
  background: url("/static/images/java_section10_bg.png") left top/100% 100% no-repeat;
}

.java .section10 .section-body {
  display: flex;
  margin-top: 40px;
}

.java .section10 .card+.card {
  margin-left: 20px;
}

.java .section10 .demo {
  flex: 1;
  min-width: 0;
  padding: 24px 23px 37px;
  border-top: 4px solid #2A7EFC;
  border-radius: 6px;
  background-color: #FFFFFF;
}

.java .section10 .demo li {
  display: flex;
  font-size: 14px;
  line-height: 20px;
  color: #777777;
}

.java .section10 .demo li+li {
  margin-top: 18px;
}

.java .section10 .demo li:first-child {
  padding-bottom: 27px;
  border-bottom: 1px solid #EEEEEE;
  margin-bottom: 28px;
  font-size: 17px;
  line-height: 24px;
  color: #333333;
}

.java .section10 .demo div {
  width: 100px;
}

.java .section10 .demo div:nth-child(2) {
  flex: 1;
  min-width: 0;
}

.java .section10 .demo a {
  color: #777777;
}

.java .section10 .qrcode {
  display: flex;
  padding: 36px 16px 25px;
  border-top: 4px solid #FF9D00;
  border-radius: 6px;
  background-color: #FFFFFF;
}

.java .section10 .qrcode li {
  flex: none;
  width: 140px;
  padding: 4px 0 11px;
  text-align: center;
  font-size: 14px;
  line-height: 20px;
  color: #333333;
}

.java .section10 .qrcode li+li {
  margin-left: 21px;
}

.java .section10 .qrcode img {
  width: 132px;
  height: 132px;
  margin: 0 auto 8px;
}

.java .section12 {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.73) 0%, rgba(255, 255, 255, 0.5) 100%);
}

.java .section12 ul {
  display: flex;
}

.java .section12 li {
  flex: none;
  display: flex;
  align-items: center;
  width: 676px;
  height: 180px;
  border-radius: 6px;
  background-color: #FFFFFF;
  box-shadow: 0 0px 12px 1px rgba(0, 0, 0, 0.1);
}

.java .section12 li:first-child {
  margin: 34px -123px 0 0;
  background-color: #ECF0F6;
}

.java .section12 img {
  width: 100px;
  height: 100px;
  margin: 0 35px;
  object-fit: contain;
}

.java .section12 a {
  font-size: 14px;
  line-height: 20px;
  color: #2A7EFB;
}

.java .section12 .iconfont {
  font-size: 12px;
}

.java .section12 li div div:first-child {
  font-weight: 500;
  font-size: 22px;
  line-height: 30px;
  color: #333333;
}

.java .section12 li div div:nth-child(2) {
  padding: 10px 50px 20px 0;
  font-size: 14px;
  line-height: 21px;
  color: #666666;
}

.java .section12 li:first-child div div:nth-child(2) {
  padding-right: 139px;
}