* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Microsoft YaHei, "Arial", sans-serif;
  scroll-behavior: smooth;
}
@font-face {
  font-family: "SourceHanSansSC-Bold";
  src: url("../fonts/SourceHanSansCN-Bold.ttf") format("ttf"),
    url("../fonts/SourceHanSansCN-Bold.woff2") format("woff2");
  font-display: swap;
}

@font-face {
  font-family: "SourceHanSansSC-Medium";
  src: url("../fonts/SourceHanSansCN-Medium.ttf") format("ttf"),
    url("../fonts/SourceHanSansCN-Medium.woff2") format("woff2");
  font-display: swap;
}

@font-face {
  font-family: "SourceHanSansSC-Regular";
  src: url("../fonts/SourceHanSansCN-Regular.ttf") format("ttf"),
    url("../fonts/SourceHanSansCN-Regular.woff2") format("woff2");
  font-display: swap;
}
.wrap {
  width: 1088px;
  margin: auto;
}
.header {
  width: 100%;
  height: 72px;
  background-color: transparent;
  position: fixed;
  top: 0;
  z-index: 100;
}
.header.active {
  background-color: #fff;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}
.header.contact {
  position: sticky;
}
.header .wrap {
  height: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.logo {
  display: flex;
  align-items: center;
}
.logo img {
  height: 30px;
}
.nav-links {
  display: flex;
  align-items: center;
}
.nav-links a {
  text-decoration: none;
  font-family: SourceHanSansSC-Medium;
  font-size: 16px;
  color: #333333;
  line-height: 24px;
  margin-right: 62px;
}
.nav-links a:hover {
  color: #3461ff;
}
.language-box {
  width: 108px;
  height: 32px;
  background: #1931f5;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: SourceHanSansSC-Medium;
  font-size: 14px;
  color: #ffffff;
  cursor: pointer;
  position: relative;
}
.language-box .angle {
  width: 0;
  height: 0;
  border-width: 6px;
  border-radius: 2px;
  border-color: #ffffff transparent transparent transparent;
  border-style: solid dashed dashed dashed;
  margin: 9px 0 0 7px;
}
.language-content {
  position: absolute;
  top: 32px;
  left: 0;
  width: 100%;
  padding: 5px 10px;
  background-color: #ffffff;
  border-radius: 4px;
  z-index: 2;
  box-shadow: 0px 2px 9px 0px rgba(0, 0, 0, 0.17);
  display: none;
}
.language-content p {
  font-family: SourceHanSansSC-Medium;
  font-size: 16px;
  color: #333333;
  line-height: 30px;
}
.language-content p.active {
  color: #1931f5;
}
.hero {
  background-color: #f3f7ff;
  background-image: url("../img/banner.webp");
  background-size: 100% 100%;
  background-position: center;
  position: relative;
  height: 720px;
  display: flex;
  align-items: center;
}

.hero h1 {
  width: 463px;
  font-family: SourceHanSansSC-Bold;
  font-weight: bold;
  font-size: 42px;
  color: #111111;
  line-height: 61px;
  display: flex;
  align-items: center;
}

.hero p {
  width: 463px;
  font-family: SourceHanSansSC-Regular;
  font-size: 18px;
  color: #111111;
  line-height: 31px;
  margin: 20px 0 45px;
}
.learn-more {
  display: flex;
  align-items: center;
  justify-content: center;
  width: max-content;
  height: 50px;
  padding: 0 30px;
  background: #343a49;
  border-radius: 31px;
  font-family: SourceHanSansSC-Bold;
  font-weight: 600;
  font-size: 24px;
  color: #ffffff;
  text-decoration: none;
}

.partners {
  height: 112px;
  position: relative;
}
.partners-logo {
  position: absolute;
  top: -72px;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  padding: 0 40px;
  background: #ffffff;
  box-shadow: 0px 4px 11px 0px rgba(199, 202, 208, 0.5);
  border-radius: 24px;
}
.partners-logo img {
  height: 30px;
  opacity: 0.7;
  transition: opacity 0.3s;
}
.partners-logo img:hover {
  opacity: 1;
}
#services {
  margin-top: 40px;
  padding-bottom: 90px;
}
.section-title {
  font-family: SourceHanSansSC-Bold;
  font-weight: bold;
  font-size: 32px;
  color: #222222;
  line-height: 46px;
  text-align: center;
}
.section-subtitle {
  font-family: SourceHanSansSC-Regular;
  font-weight: 400;
  font-size: 18px;
  color: #666666;
  line-height: 26px;
  margin: 28px 0 80px;
  text-align: center;
}

.tech-banner img {
  max-width: 100%;
  height: 240px;
}

.services-title {
  font-family: SourceHanSansSC-Bold;
  font-weight: bold;
  font-size: 32px;
  color: #222222;
  line-height: 46px;
  margin: 110px 0 70px;
  text-align: center;
}
.services-grid {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}
.service-card {
  width: 340px;
  border-radius: 24px;
  border: 1px solid #e0e1e3;
  padding: 28px 20px 32px;
  margin-bottom: 47px;
}
.service-card:nth-child(1) {
  background: linear-gradient(180deg, #ffffff 0%, #e8fdf8 100%);
}
.service-card:nth-child(2) {
  background: linear-gradient(180deg, #ffffff 0%, #e2f4ff 100%);
}
.service-card:nth-child(3) {
  background: linear-gradient(180deg, #ffffff 0%, #fdf8ed 100%);
}
.service-card:nth-child(4) {
  background: linear-gradient(180deg, #ffffff 0%, #fff0f8 100%);
}
.service-card:nth-child(5) {
  background: linear-gradient(180deg, #ffffff 0%, #ffe9e4 100%);
}
.service-card:nth-child(6) {
  background: linear-gradient(180deg, #ffffff 0%, #f4e1fd 100%);
}
.service-icon {
  width: 40px;
  height: 40px;
}

.service-card h3 {
  font-family: SourceHanSansSC-Bold;
  font-weight: 600;
  font-size: 20px;
  color: #333333;
  line-height: 28px;
  margin: 60px 0 8px;
}
.service-card p {
  font-family: SourceHanSansSC-Regular;
  font-weight: 400;
  font-size: 16px;
  color: rgba(51, 51, 51, 0.7);
  line-height: 26px;
}

.cases {
  background: #f8faff;
  padding: 130px 0;
  display: flex;
  justify-content: flex-end;
}
.cases-container {
  display: flex;
  width: calc(100% - (100% - 1088px) / 2);
  justify-content: space-between;
}
.cases-intro {
  width: 310px;
  margin-right: 86px;
}
.cases-title {
  font-family: SourceHanSansSC-Bold;
  font-weight: bold;
  font-size: 48px;
  color: #333333;
  line-height: 70px;
}
.cases-description {
  font-family: SourceHanSansSC-Regular;
  font-weight: 400;
  font-size: 18px;
  color: #333333;
  line-height: 30px;
  margin-top: 40px;
}
.pagination-box {
  margin-top: 196px;
}
.pagination-box img {
  cursor: pointer;
}
.pagination-box img:active {
  opacity: 0.8;
}
.prev-btn {
  margin-right: 24px;
}
.cases-slider-container {
  position: relative;
  flex: 1;
}
.cases-slider-container .swiper-slide {
  width: 446px;
  border-radius: 30px;
  border: 1px solid #e0e1e3;
  padding: 32px;
  box-sizing: border-box;
}
.swiper-slide.slide1 {
  background: #eaeefd;
}
.swiper-slide.slide2 {
  background: #eaeed6;
}
.swiper-slide.slide3 {
  background: #f9ebde;
}
.case-image {
  height: 200px;
  overflow: hidden;
  padding: 15px;
  background-color: #f8f8f8;
  display: flex;
  justify-content: center;
  align-items: center;
}
.case-image img {
  height: 250px;
  object-fit: contain;
}
.case-content {
  margin-top: 48px;
}
.case-content h3 {
  font-family: SourceHanSansSC-Bold;
  font-weight: bold;
  font-size: 28px;
  color: #333333;
  line-height: 48px;
  margin-bottom: 24px;
}
.case-content p {
  font-family: SourceHanSansSC-Regular;
  font-weight: 500;
  font-size: 16px;
  color: #666666;
  line-height: 30px;
}

.features-section {
  padding: 60px 12%;
  display: flex;
  justify-content: space-between;
  background-color: #fff;
}
.features-content {
  flex: 1;
}
.features-title {
  font-size: 24px;
  margin-bottom: 20px;
  color: #222;
  font-weight: 600;
}
.features-description {
  color: #666;
  font-size: 14px;
  line-height: 1.8;
  margin-bottom: 15px;
}
.features-image {
  flex: 0 0 40%;
  display: flex;
  justify-content: flex-end;
  align-items: center;
}
.features-image img {
  width: 100%;
  max-width: 300px;
  height: auto;
}

.footprint-section {
  padding: 60px 12%;
  display: flex;
  justify-content: space-between;
  flex-direction: row-reverse;
  background-color: #f7f7f7;
}
.footprint-content {
  flex: 1;
}
.footprint-title {
  font-size: 24px;
  margin-bottom: 20px;
  color: #222;
  font-weight: 600;
}
.footprint-text {
  color: #666;
  font-size: 14px;
  line-height: 1.8;
  margin-bottom: 15px;
}
.footprint-image {
  flex: 0 0 40%;
  display: flex;
  justify-content: flex-start;
  align-items: center;
}
.footprint-image img {
  width: 100%;
  max-width: 300px;
  height: auto;
}

.team-philosophy {
  padding: 60px 12%;
  display: flex;
  justify-content: space-between;
  background-color: #fff;
}
.philosophy-content {
  flex: 1;
}
.philosophy-title {
  font-size: 24px;
  margin-bottom: 20px;
  color: #222;
  font-weight: 600;
}
.philosophy-text {
  color: #666;
  font-size: 14px;
  line-height: 1.8;
  margin-bottom: 15px;
}
.philosophy-image {
  flex: 0 0 40%;
  display: flex;
  justify-content: flex-end;
  align-items: center;
}
.philosophy-image img {
  width: 100%;
  max-width: 300px;
  height: auto;
}

.just-beginning {
  padding: 40px;
  background-color: #e9f0ff;
  border-radius: 10px;
  margin: 60px 12%;
  display: flex;
  gap: 40px;
  align-items: center;
}
.beginning-content {
  flex: 1;
}
.beginning-title {
  font-size: 24px;
  margin-bottom: 20px;
  color: #222;
  font-weight: 600;
}
.beginning-text {
  font-size: 14px;
  color: #666;
  line-height: 1.8;
  margin-bottom: 20px;
}
.beginning-btn {
  display: inline-block;
  background-color: #4186f4;
  color: white;
  padding: 10px 25px;
  border-radius: 30px;
  text-decoration: none;
  font-size: 14px;
  transition: background-color 0.3s;
}
.beginning-btn:hover {
  background-color: #3070d8;
}
.beginning-image {
  flex: 0 0 45%;
}
.beginning-image img {
  width: 100%;
  height: auto;
}

.about-section {
  background: #ffffff;
  padding: 130px 0 0;
}
.about-heading h2 {
  font-family: SourceHanSansSC-Bold;
  font-weight: bold;
  font-size: 32px;
  color: #222222;
  line-height: 46px;
  text-align: center;
}
.about-heading p {
  font-family: SourceHanSansSC, SourceHanSansSC;
  font-weight: 400;
  font-size: 18px;
  color: #666666;
  line-height: 26px;
  text-align: center;
  margin: 17px 0 114px;
}
.about-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 180px;
}
.about-item.info .right {
  width: 404px;
}
.about-item .right h3 {
  font-family: SourceHanSansSC-Bold;
  font-weight: bold;
  font-size: 26px;
  color: #222222;
  line-height: 37px;
}
.about-item .right p {
  font-family: SourceHanSansSC-Regular;
  font-weight: 400;
  font-size: 18px;
  color: #333333;
  line-height: 28px;
}
.about-item .right p:nth-child(2) {
  margin: 30px 0 14px;
}

.contact-section {
  margin-bottom: 120px;
}
.contact-section .wrap {
  height: 307px;
  background-color: #f8faff;
  border-radius: 24px;
  padding: 58px 0 58px 64px;
  background-image: url(../img/contactBg.webp);
  background-size: 100% 100%;
}
.contact-section h3 {
  font-family: SourceHanSansSC-Bold;
  font-weight: bold;
  font-size: 26px;
  color: #222222;
  line-height: 37px;
}
.contact-section p {
  width: 460px;
  font-family: SourceHanSansSC-Regular;
  font-weight: 400;
  font-size: 18px;
  color: #333333;
  line-height: 32px;
  margin: 14px 0 26px;
}
.contact-section .join-us {
  width: 156px;
  height: 50px;
  background: #3c69ff;
  border-radius: 31px;
  text-align: center;
  line-height: 50px;
  cursor: pointer;
}
.contact-section .join-us a{
  display: block;
  width: 100%;
  height: 100%;
  text-decoration: none;
  font-family: SourceHanSansSC-Medium;
  font-weight: 600;
  font-size: 20px;
  color: #ffffff;
  text-align: center;
}

footer {
  background-color: #000000;
  color: white;
  padding: 50px 0 58px;
}
.footer-content {
  display: flex;
  justify-content: space-between;
  margin-bottom: 40px;
}

.footer-logo img {
  width: 173px;
  height: 35px;
}
.footer-info {
  font-family: SourceHanSansSC-Regular;
  font-weight: 400;
  font-size: 18px;
  color: rgba(255, 255, 255, 0.7);
  line-height: 32px;
  margin: 26px 0 48px;
}
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid #2f2f31;
  border-bottom: 1px solid #2f2f31;
  height: 76px;
}
.footer-bottom p {
  font-family: SourceHanSansSC-Regular;
  font-weight: 400;
  font-size: 16px;
  color: rgba(255, 255, 255, 0.8);
}
.footer-bottom .media-list img {
  margin-left: 24px;
}
.contact-us-box {
  background: #f8faff;
  padding: 110px 0 120px;
}
.contact-us-box .wrap {
  display: flex;
  justify-content: space-between;
}
.contact-us-box .left h1 {
  font-family: SourceHanSansSC-Bold;
  font-weight: 600;
  font-size: 34px;
  color: #0c053c;
  line-height: 48px;
}
.contact-us-box .left .text {
  width: 330px;
  font-family: SourceHanSansSC-Regular;
  font-weight: 400;
  font-size: 20px;
  color: #333333;
  line-height: 36px;
  margin-top: 27px;
}
.contact-us-box .left .text span{
  font-family: SourceHanSansSC-Regular;
  font-weight: 400;
  font-size: 20px;
  color: #3c69ff;
  line-height: 36px;
}
.contact-us-box .right {
  width: 676px;
  height: 492px;
  background: #ffffff;
  border-radius: 24px;
  padding: 32px;
}
.contact-form {
  width: 100%;
  position: relative;
}
.contact-form .form-item {
  width: 100%;
  height: 48px;
  box-sizing: border-box;
  background: #f9f9fd;
  border-radius: 7px;
  margin-bottom: 24px;
  transition: all 0.3s;
}
.contact-form .form-item.error {
  border: 1px solid #ff0000;
  margin-bottom: 36px;
}
.contact-form .error {
  font-family: SourceHanSansSC-Regular;
  font-weight: 400;
  font-size: 16px;
  color: #ff0000;
  margin-bottom: 10px;
}
.contact-form .form-item.textarea {
  height: 108px;
}
.contact-form .form-item .input-box {
  height: 100%;
  display: flex;
  align-items: center;
  position: relative;
}
.contact-form .form-item .input-box p {
  margin-left: 20px;
  margin-right: 5px;
  font-family: SourceHanSansSC-Regular;
  font-weight: 400;
  font-size: 21px;
  color: #333333;
}
.contact-form .form-item .input-box input {
  flex: 1;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #f8faff;
  border: none;
  font-family: SourceHanSansSC-Regular;
  font-weight: 400;
  font-size: 21px;
  color: #333333;
  text-indent: 15px;
  border-radius: 7px;
}
.contact-form .form-item .input-box input::placeholder {
  font-family: SourceHanSansSC-Regular;
  font-weight: 400;
  font-size: 21px;
  color: #bbbbbb;
}
.contact-form .form-item .input-box input:focus {
  border: none;
}
.contact-form textarea {
  display: flex;
  width: 100%;
  height: 100%;
  border: none;
  background: #f8faff;
  text-indent: 20px;
  font-family: SourceHanSansSC-Regular;
  font-weight: 400;
  font-size: 21px;
  color: #333333;
  line-height: 30px;
  padding-top: 10px;
  border-radius: 7px;
}
.contact-form textarea::placeholder {
  font-family: SourceHanSansSC-Regular;
  font-weight: 400;
  font-size: 21px;
  color: #bbbbbb;
}
.contact-form .send-btn {
  width: 156px;
  height: 50px;
  background: #3c69ff;
  border-radius: 31px;
  text-align: center;
  line-height: 50px;
  font-family: SourceHanSansSC-Medium;
  font-size: 20px;
  color: #ffffff;
  margin: 50px auto 0;
  cursor: pointer;
}
.success-box {
  position: absolute;
  top: 30%;
  left: 0;
  right: 0;
  margin: auto;
  width: 274px;
  height: 107px;
  background: #ffffff;
  box-shadow: 0px 2px 9px 0px rgba(0, 0, 0, 0.17);
  border-radius: 6px;
  display: none;
}
.success-content {
  padding: 18px;
}
.success-content .df {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.success-content .df div {
  display: flex;
  align-items: center;
}
.success-content .df div img {
  width: 24px;
  height: 24px;
  margin-right: 12px;
}
.success-content .df div p {
  font-family: SourceHanSansSC-Medium;
  font-weight: 500;
  font-size: 16px;
  color: #666666;
}
.success-content .df .close {
  width: 15px;
  height: 15px;
  cursor: pointer;
}
.success-content .ok {
  width: 58px;
  height: 29px;
  background: #1931f5;
  border-radius: 15px;
  text-align: center;
  line-height: 29px;
  font-family: SourceHanSansSC-Medium;
  font-weight: bold;
  font-size: 16px;
  color: #ffffff;
  position: absolute;
  right: 18px;
  bottom: 18px;
  cursor: pointer;
}