* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Microsoft YaHei', Arial, sans-serif;
  line-height: 1.6;
  color: #333;
  background: #fff;
}

/* 导航栏样式 */
.header {
  position: fixed;
  top: 0;
  width: 100%;
  height: 81px;
  background: linear-gradient(90deg, #057CF9 0%, #21B3FF 100%);
  z-index: 1000;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1400px;
  height: 80px;
  margin: 0 auto;
}

.left {
  display: flex;
  justify-content: flex-start;
  align-items: center;
}

.nav-brand {
  display: flex;
  align-items: center;
  font-size: 18px;
  font-weight: bold;
  color: #333;
}

.logo {
  width: 127px;
  height: 31px;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 40px;
  margin-left: 110px;
}

.nav-menu a {
  text-decoration: none;
  transition: color 0.3s ease;
  font-size: 18px;
  color: #FFFFFF;
  line-height: 24px;
  text-align: justify;
  font-style: normal;
}

.nav-menu a:hover {
  color: #ddd;
}

.right {
  display: flex;
  justify-content: flex-start;
  align-items: center;
}

.right a {
  text-decoration: none;
  transition: color 0.3s ease;
  font-size: 18px;
  color: #FFFFFF;
  line-height: 24px;
  text-align: justify;
  font-style: normal;
}

.right .tel {
  width: 22px;
  height: 22px;
  margin-right: 6px;
}

.divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, #FFFFFF 0%, #FFFFFF 100%);
  opacity: 0.1;
}

/* 主横幅区域 */
.hero {
  width: 100%;
  height: 673px;
  background: linear-gradient(90deg, #057CF9 0%, #21B3FF 100%);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 81px;
  overflow: hidden;
}

.hero-container {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-content {
  width: 720px;
}

.hero-title {
  font-size: 48px;
  margin-bottom: 38px;
  font-weight: normal;
  color: #FFFFFF;
  line-height: 1.375;
  letter-spacing: 2px;
  text-stroke: 1px #FFFFFF;
  text-align: left;
  font-style: normal;
  -webkit-text-stroke: 1px #FFFFFF;
}

.hero-description {
  opacity: 0.9;
  max-width: 575px;
  font-weight: 400;
  font-size: 26px;
  color: #FFFFFF;
  line-height: 48px;
  letter-spacing: 1px;
  text-align: justify;
  font-style: normal;
}

.hero-image {
  position: relative;
}

.main-character {
  position: absolute;
  top: -210px;
  right: -185px;
  width: 910px;
}

/* 功能介绍区域 */
.features {
  height: 1903px;
  padding-top: 63px;
}

.section-title {
  margin-bottom: 20px;
  font-weight: normal;
  font-size: 40px;
  color: #141414;
  line-height: 56px;
  text-align: center;
  font-style: normal;
}

.reception {
  width: 100%;
  height: 588px;
  background: linear-gradient(180deg, #FBFBFF 0%, #FFFFFF 0%, #F6F6FD 100%);
  display: flex;
  justify-content: space-between;
  align-items: center;
  overflow: hidden;
}

.ai {
  width: 100%;
  height: 588px;
  background: #EDF1FF;
  display: flex;
  justify-content: space-between;
  align-items: center;
  overflow: hidden;
}

.digital-human {
  width: 100%;
  height: 588px;
  background: #f6f6fd;
  display: flex;
  justify-content: space-between;
  align-items: center;
  overflow: hidden;
}

.feature-section {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.feature-content {
  width: 550px;
}

.feature-content h3 {
  font-weight: normal;
  font-size: 32px;
  color: #141414;
  line-height: 33px;
  letter-spacing: 3px;
  text-align: justify;
  font-style: normal;
  margin-bottom: 35px;
}

.feature-details {
  display: flex;
  flex-direction: column;
  gap: 20px;
  width: 530px;
}

.feature-item p {
  font-weight: normal;
  font-size: 20px;
  color: #141414;
  line-height: 34px;
  letter-spacing: 2px;
  text-align: justify;
  font-style: normal;
}

.feature-item p span {
  font-weight: 600;
  padding-left: 10px;
}

.feature-image {
  position: relative;
}

.reception-img {
  position: absolute;
  top: -240px;
  right: -100px;
  width: 702px;
}

.feature-img {
  position: absolute;
  top: -294px;
  right: -100px;
  width: 700px;
}

/* 实施流程区域 */
.process {
  padding: 102px 0 150px;
  background: #EDF1FF;
  overflow-x: hidden;
}

.process-title {
  margin-bottom: 57px;
  font-weight: normal;
  font-size: 40px;
  color: #141414;
  line-height: 56px;
  text-align: center;
  font-style: normal;
}

.process-steps {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.process-step {
  min-width: 340px;
  text-align: center;
  padding: 36px 30px 32px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  cursor: pointer;
}

.process-step:nth-child(1) {
  background-image: url("./img/steps1.png");
}

.process-step:nth-child(2) {
  background-image: url("./img/steps2.png");
}

.process-step:nth-child(3) {
  background-image: url("./img/steps3.png");
}

.process-step:nth-child(4) {
  background-image: url("./img/steps4.png");
}

.process-step:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.steps-title {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  margin-bottom: 25px;
}

.steps-title img {
  width: 24px;
  height: 24px;
}

.steps-title div {
  margin-left: 10px;
  font-weight: normal;
  font-size: 24px;
  color: #141414;
  line-height: 33px;
  letter-spacing: 2px;
  font-style: normal;
}

.process-step h4 {
  font-size: 20px;
  margin-bottom: 15px;
  color: #333;
  font-weight: bold;
}

.process-step p {
  font-weight: 400;
  font-size: 20px;
  color: #141414;
  line-height: 33px;
  letter-spacing: 1px;
  text-align: justify;
  font-style: normal;
}

/* 配置服务区域 */
.service-config {
  padding: 148px 0 141px;
  background: url("./img/sustain.png");
  background-size: 100% 490px;
  background-position-y: -3px;
  text-align: center;
}

.config-title {
  margin-bottom: 13px;
  font-weight: normal;
  font-size: 40px;
  color: #141414;
  line-height: 70px;
  letter-spacing: 2px;
  text-stroke: 1px #141414;
  text-align: center;
  font-style: normal;
  -webkit-text-stroke: 1px #141414;
}

.config-subtitle {
  margin-bottom: 30px;
  font-weight: 400;
  font-size: 28px;
  color: #141414;
  line-height: 33px;
  letter-spacing: 1px;
  text-align: center;
  font-style: normal;
}

.config-btn {
  background: #057CF9;
  border: none;
  padding: 12px 65px;
  border-radius: 28px;
  cursor: pointer;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  font-weight: normal;
  font-size: 24px;
  color: #FFFFFF;
  line-height: 33px;
  text-align: left;
  font-style: normal;
}

.config-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 123, 255, 0.3);
}

/* 页脚样式 */
.footer {
  background: #040F24;
  padding: 31px 0 0;
}

.footer-content {
  max-width: 1300px;
  margin: 0 auto 36px;
  display: grid;
  grid-template-columns: 1fr 2fr 1fr;
  gap: 40px;
}

.footer-section {
  position: relative;
}

.footer-section-flex {
  display: flex;
  justify-content: flex-end;
  align-items: flex-start;
}

.footer-section-flex .margin {
  margin-right: 150px;
}

.footer-section-right {
  text-align: right;
}

.qr-code {
  margin-right: 75px;
}

.footer-logo {
  width: 295px;
  height: 31px;
}

.footer-section p {
  position: absolute;
  right: -15px;
  width: 295px;
  font-weight: 400;
  font-size: 20px;
  color: rgba(255, 255, 255, 0.8);
  line-height: 28px;
  text-align: right;
  font-style: normal;
}

.footer-section h4 {
  margin-bottom: 28px;
  font-weight: 400;
  font-size: 16px;
  color: rgba(255, 255, 255, 0.8);
  line-height: 22px;
  font-style: normal;
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: 8px;
  color: #ccc;
  text-decoration: none;
  transition: color 0.3s ease;
  font-weight: 400;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
  line-height: 20px;
  text-align: left;
  font-style: normal;
}

.footer-section ul li a {
  color: #ccc;
  text-decoration: none;
  transition: color 0.3s ease;
  font-weight: 400;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
  line-height: 20px;
  text-align: left;
  font-style: normal;
}

.footer-section ul li a:hover {
  color: #fff;
}

.qr-img {
  width: 100px;
  height: 100px;
  background: white;
  padding: 10px;
  border-radius: 8px;
}

.footer-bottom {
  width: 100%;
  padding: 13px 0;
  margin: 0 auto;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  font-weight: 400;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.55);
  line-height: 20px;
  font-style: normal;
}

.footer-bottom span {
  padding: 0 8px;
}

.footer-bottom a {
   text-decoration: none;
   transition: color 0.3s ease;
   font-size: 14px;
   color: rgba(255, 255, 255, 0.55);
 }

.footer-bottom a:hover {
  color: #fff;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }

  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }

  .hero-title {
    font-size: 32px;
  }

  .feature-section {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }

  .process-steps {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .footer-content {
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
  }
}

@media (max-width: 480px) {
  .process-steps {
    grid-template-columns: 1fr;
  }

  .footer-content {
    grid-template-columns: 1fr;
  }

  .hero-title {
    font-size: 28px;
  }

  .section-title {
    font-size: 28px;
  }

  .process-title {
    font-size: 28px;
  }
}

/* 动画效果 */
.feature-section {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.feature-section.animate {
  opacity: 1;
  transform: translateY(0);
}

.process-step {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.process-step.animate {
  opacity: 1;
  transform: translateY(0);
}

/* 平滑滚动 */
html {
  scroll-behavior: smooth;
}