/* ========== 全局基础样式 ========== */
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: "Microsoft YaHei", Arial, sans-serif;
      background-color: #f8fafc;
      color: #0F172A;
      line-height: 1.6;
    }

    a {
      text-decoration: none;
      color: inherit;
      transition: 0.3s;
    }

    ul {
      list-style: none;
    }

    img {
      max-width: 100%;
      display: block;
    }

    .container {
      width: 92%;
      max-width: 1400px;
      margin: 0 auto;
    }

    /* 按钮样式 */
    .btn {
      display: inline-block;
      padding: 12px 28px;
      border-radius: 8px;
      font-weight: 500;
      transition: 0.3s;
      cursor: pointer;
      border: none;
      font-size: 16px;
    }

    .btn-primary {
      background-color: #165DFF;
      color: #fff;
    }

    .btn-primary:hover {
      background-color: #0047d9;
    }

    .btn-outline {
      border: 1px solid #ccc;
      color: #0F172A;
    }

    .btn-outline:hover {
      border-color: #165DFF;
      color: #165DFF;
    }

    /* 标题通用 */
    .section-title {
      text-align: center;
      margin-bottom: 50px;
    }

    .section-title h2 {
      font-size: 32px;
      margin-bottom: 12px;
      font-weight: 700;
    }

    .section-title p {
      color: #64748b;
      font-size: 18px;
      max-width: 700px;
      margin: 0 auto;
    }

    /* 间距 */
    .section {
      padding: 80px 0;
    }

    /* 卡片悬浮效果 */
    .card-hover {
      transition: 0.3s;
    }

    .card-hover:hover {
      transform: translateY(-6px);
      box-shadow: 0 12px 24px rgba(0,0,0,0.1);
    }

    /* ========== 导航栏 ========== */
    .navbar {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      background: rgba(255,255,255,0.92);
      backdrop-filter: blur(8px);
      z-index: 999;
      box-shadow: 0 1px 3px rgba(0,0,0,0.05);
      transition: 0.3s;
    }

    .nav-container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 70px;
    }

    .logo {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 22px;
      font-weight: 700;
    }

    .logo i {
      color: #165DFF;
    }

    .nav-menu {
      display: flex;
      align-items: center;
      gap: 32px;
    }

    .nav-menu a:hover {
      color: #165DFF;
    }

    .menu-btn {
      display: none;
      font-size: 24px;
      background: none;
      border: none;
      cursor: pointer;
    }

    /* 移动端菜单 */
    .mobile-menu {
      display: none;
      background: #fff;
      border-top: 1px solid #eee;
      padding: 16px 0;
    }

    .mobile-menu a {
      display: block;
      padding: 10px 0;
    }

    /* ========== 首页英雄区 ========== */
    .hero {
      padding: 130px 0 90px;
      background: linear-gradient(to bottom right, #eff6ff, #f8fafc);
    }

    .hero-row {
      display: flex;
      align-items: center;
      gap: 40px;
    }

    .hero-left {
      flex: 1;
    }

    .hero-right {
      flex: 1;
    }

    .hero h1 {
      font-size: 44px;
      line-height: 1.2;
      margin-bottom: 20px;
    }

    .hero h1 span {
      color: #165DFF;
    }

    .hero p {
      font-size: 18px;
      color: #64748b;
      margin-bottom: 30px;
      line-height: 1.7;
    }

    .hero-btns {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
    }

    .hero img {
      border-radius: 16px;
      box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    }

    /* ========== 服务板块 ========== */
    .services {
      background: #fff;
    }

    .service-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .service-card {
      background: #f8fafc;
      padding: 32px;
      border-radius: 16px;
    }

    .service-card i {
      font-size: 30px;
      color: #165DFF;
      margin-bottom: 16px;
    }

    .service-card h3 {
      font-size: 20px;
      margin-bottom: 10px;
    }

    .service-card p {
      color: #64748b;
    }

    /* ========== 关于我们 ========== */
    .about {
      background: #0F172A;
      color: #fff;
    }

    .about-row {
      display: flex;
      align-items: center;
      gap: 50px;
    }

    .about-left, .about-right {
      flex: 1;
    }

    .about img {
      border-radius: 16px;
    }

    .about h2 {
      font-size: 32px;
      margin-bottom: 20px;
    }

    .about p {
      color: #cbd5e1;
      margin-bottom: 16px;
      line-height: 1.8;
    }

    .about-stats {
      display: flex;
      gap: 30px;
      margin-top: 20px;
    }

    .stat-item h3 {
      font-size: 30px;
      color: #165DFF;
    }

    .stat-item p {
      color: #94a3b8;
      margin: 0;
    }

    /* ========== 案例展示 ========== */
    .cases {
      background: #fff;
    }

    .case-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 28px;
    }

    .case-card {
      border-radius: 16px;
      overflow: hidden;
      background: #f8fafc;
    }

    .case-card img {
      width: 100%;
      height: 220px;
      object-fit: cover;
    }

    .case-info {
      padding: 22px;
    }

    .case-info h3 {
      font-size: 20px;
      margin-bottom: 8px;
    }

    .case-info p {
      color: #64748b;
      margin-bottom: 12px;
    }

    .case-link {
      color: #165DFF;
      font-weight: 500;
    }

    /* ========== 团队 ========== */
    .team {
      background: #f8fafc;
    }

    .team-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 28px;
    }

    .team-card {
      background: #fff;
      padding: 28px;
      border-radius: 16px;
      text-align: center;
    }

    .team-card img {
      width: 110px;
      height: 110px;
      border-radius: 50%;
      margin: 0 auto 20px;
      object-fit: cover;
    }

    .team-card h3 {
      font-size: 20px;
      margin-bottom: 6px;
    }

    .team-position {
      color: #165DFF;
      margin-bottom: 10px;
    }

    .team-desc {
      color: #64748b;
      font-size: 15px;
    }

    /* ========== 联系我们 ========== */
    .contact {
      background: rgba(22,93,255,0.05);
    }

    .contact-box {
      max-width: 900px;
      margin: 0 auto;
      background: #fff;
      padding: 50px;
      border-radius: 24px;
      box-shadow: 0 10px 40px rgba(0,0,0,0.06);
    }

    .contact-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
    }

    .contact-item {
      display: flex;
      align-items: center;
      gap: 16px;
      margin-bottom: 24px;
    }

    .contact-icon {
      width: 48px;
      height: 48px;
      background: rgba(22,93,255,0.1);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #165DFF;
      font-size: 18px;
    }

    .contact-text h4 {
      margin-bottom: 4px;
    }

    .contact-text p {
      color: #64748b;
    }

    /* 表单 */
    .form input, .form textarea {
      width: 100%;
      padding: 14px 16px;
      border: 1px solid #ddd;
      border-radius: 8px;
      margin-bottom: 16px;
      font-size: 16px;
      outline: none;
    }

    .form input:focus, .form textarea:focus {
      border-color: #165DFF;
    }

    .form textarea {
      min-height: 120px;
      resize: vertical;
    }

    .form button {
      width: 100%;
    }

    /* ========== 页脚 ========== */
    .footer {
      background: #0F172A;
      color: #fff;
      padding: 70px 0 30px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: repeat(5, 1fr);
      gap: 30px;
      margin-bottom: 40px;
    }

    .footer-about p {
      color: #94a3b8;
      margin: 14px 0 20px;
    }

    .footer-social {
      display: flex;
      gap: 14px;
      font-size: 20px;
    }

    .footer-social a {
      color: #94a3b8;
    }

    .footer-social a:hover {
      color: #165DFF;
    }

    .footer-col h4 {
      font-size: 18px;
      margin-bottom: 20px;
    }

    .footer-col li {
      margin-bottom: 10px;
    }

    .footer-col a {
      color: #94a3b8;
    }

    .footer-col a:hover {
      color: #165DFF;
    }

    .copyright {
      border-top: 1px solid #1e293b;
      padding-top: 26px;
      text-align: center;
      color: #64748b;
    }

    /* ========== 响应式（手机/平板） ========== */
    @media (max-width: 992px) {
      .nav-menu {
        display: none;
      }
      .menu-btn {
        display: block;
      }
      .hero-row, .about-row {
        flex-direction: column;
      }
      .service-grid, .case-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .team-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .contact-row {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: repeat(1, 1fr);
      }
    }

    @media (max-width: 576px) {
      .hero h1 {
        font-size: 34px;
      }
      .service-grid, .case-grid, .team-grid {
        grid-template-columns: 1fr;
      }
      .section-title h2 {
        font-size: 26px;
      }
      .contact-box {
        padding: 30px 20px;
      }
    }

/* ========== 独立关于我们页面样式 ========== */
.page-header {
  padding: 120px 0 60px;
  background: #165DFF;
  color: #fff;
  text-align: center;
}
.page-header h1 {
  font-size: 36px;
  margin-bottom: 10px;
}
.page-header p {
  font-size: 18px;
  opacity: 0.9;
}

/* 企业简介 */
.about-intro-row {
  display: flex;
  align-items: center;
  gap: 50px;
}
.about-intro-left {
  flex: 1;
}
.about-intro-right {
  flex: 1;
}
.about-intro h2 {
  font-size: 30px;
  margin-bottom: 20px;
}
.about-intro p {
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 15px;
  color: #333;
}
.about-intro strong {
  color: #165DFF;
}

/* 技术优势 */
.bg-dark {
  background: #0F172A;
  color: #fff;
}
.white .section-title p {
  color: #ccc;
}
.adv-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}
.adv-card {
  background: rgba(255,255,255,0.05);
  padding: 30px;
  border-radius: 16px;
  text-align: center;
}
.adv-card i {
  font-size: 36px;
  color: #165DFF;
  margin-bottom: 20px;
}
.adv-card h3 {
  font-size: 20px;
  margin-bottom: 12px;
}
.adv-card p {
  color: #999;
  line-height: 1.6;
}

/* 时间线 */
.timeline-list {
  max-width: 800px;
  margin: 0 auto;
}
.timeline-item {
  display: flex;
  margin-bottom: 40px;
  position: relative;
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: 80px;
  top: 40px;
  bottom: -40px;
  width: 2px;
  background: #165DFF;
}
.timeline-item:last-child::before {
  display: none;
}
.time {
  width: 100px;
  font-weight: bold;
  color: #165DFF;
  font-size: 18px;
}
.content {
  flex: 1;
  background: #f5f5f5;
  padding: 20px 25px;
  border-radius: 10px;
}
.content h3 {
  margin-bottom: 6px;
}

/* 资质荣誉 */
.honor-grid {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 30px;
  text-align: center;
}
.honor-item img {
  width: 140px;
  height: 140px;
  margin: 0 auto 15px;
  border-radius: 10px;
  object-fit: cover;
}

/* 数据统计 */
.data-count {
  background: #165DFF;
  color: #fff;
  padding: 60px 0;
}
.count-grid {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 30px;
  text-align: center;
}
.count-item h3 {
  font-size: 42px;
  margin-bottom: 10px;
}
.count-item p {
  font-size: 18px;
  opacity: 0.9;
}

/* 导航高亮 */
.nav-menu a.active {
  color: #165DFF;
  font-weight: 500;
}

/* 响应式 */
@media (max-width:992px) {
  .about-intro-row {
    flex-direction: column;
  }
  .adv-grid, .honor-grid {
    grid-template-columns: repeat(2,1fr);
  }
  .count-grid {
    grid-template-columns: repeat(2,1fr);
  }
}
@media (max-width:576px) {
  .adv-grid, .honor-grid, .count-grid {
    grid-template-columns: 1fr;
  }
}

/* ========== 服务页面专用样式 ========== */
.services-overview {
  background: #fff;
}
.service-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
  margin-top: 20px;
}
.service-detail-card {
  display: flex;
  gap: 24px;
  background: #f8fafc;
  padding: 32px;
  border-radius: 16px;
  transition: 0.3s;
}
.service-detail-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 10px 25px rgba(0,0,0,0.08);
}
.service-icon {
  width: 60px;
  height: 60px;
  background: rgba(22,93,255,0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #165DFF;
  font-size: 24px;
  flex-shrink: 0;
}
.service-info h3 {
  font-size: 22px;
  margin-bottom: 12px;
  color: #0F172A;
}
.service-info p {
  color: #64748b;
  line-height: 1.7;
  margin-bottom: 16px;
}
.service-features {
  list-style: none;
  padding: 0;
}
.service-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #444;
  margin-bottom: 6px;
  font-size: 15px;
}
.service-features li i {
  color: #165DFF;
  font-size: 14px;
}

/* 服务流程 */
.service-process {
  background: #0F172A;
  color: #fff;
  padding: 90px 0;
}
.process-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
  text-align: center;
}
.process-item {
  position: relative;
}
.process-num {
  width: 70px;
  height: 70px;
  background: #165DFF;
  color: #fff;
  font-size: 20px;
  font-weight: bold;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}
.process-item h3 {
  font-size: 18px;
  margin-bottom: 8px;
}
.process-item p {
  color: #94a3b8;
  font-size: 15px;
}

/* 服务优势 */
.service-advantages {
  background: #f8fafc;
}
.service-advantages .adv-grid {
  grid-template-columns: repeat(4,1fr);
}
.service-advantages .adv-card {
  background: #fff;
  text-align: center;
  padding: 36px 24px;
  border-radius: 16px;
  transition: 0.3s;
}
.service-advantages .adv-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 10px 25px rgba(0,0,0,0.08);
}
.service-advantages .adv-card i {
  font-size: 36px;
  color: #165DFF;
  margin-bottom: 16px;
}
.service-advantages .adv-card h3 {
  font-size: 20px;
  margin-bottom: 10px;
}
.service-advantages .adv-card p {
  color: #64748b;
}

/* 底部咨询 */
.bg-primary-light {
  background: rgba(22,93,255,0.05);
}
.service-contact-box {
  background: #fff;
  text-align: center;
  padding: 60px 30px;
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.06);
}
.service-contact-box h2 {
  font-size: 30px;
  margin-bottom: 12px;
}
.service-contact-box p {
  color: #64748b;
  font-size: 17px;
  margin-bottom: 30px;
}

/* 响应式 */
@media (max-width:992px) {
  .service-detail-grid {
    grid-template-columns: 1fr;
  }
  .process-grid {
    grid-template-columns: repeat(2,1fr);
  }
  .service-advantages .adv-grid {
    grid-template-columns: repeat(2,1fr);
  }
}
@media (max-width:576px) {
  .process-grid,
  .service-advantages .adv-grid {
    grid-template-columns: 1fr;
  }
  .service-detail-card {
    flex-direction: column;
    gap: 16px;
  }
}

/* ========== 案例页面样式 ========== */
.case-page-grid {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 40px;
}
.case-item {
  border-radius: 16px;
  overflow: hidden;
  background: #f8fafc;
  transition: 0.3s;
}
.case-item:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 24px rgba(0,0,0,0.08);
}
.case-img img {
  width: 100%;
  height: 240px;
  object-fit: cover;
}
.case-content {
  padding: 24px;
}
.case-content h3 {
  font-size: 20px;
  margin-bottom: 8px;
}
.case-content p {
  color: #64748b;
  margin-bottom: 16px;
}
.btn-sm {
  padding: 8px 20px;
  background: #165DFF;
  color: #fff;
  border-radius: 6px;
  font-size: 14px;
}

/* ========== 团队页面样式 ========== */
.team-page {
  background: #f8fafc;
}
.team-page-grid {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 40px;
}
.team-member {
  background: #fff;
  padding: 30px;
  border-radius: 16px;
  text-align: center;
  transition: 0.3s;
}
.team-member:hover {
  transform: translateY(-6px);
  box-shadow: 0 10px 25px rgba(0,0,0,0.08);
}
.team-member img {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  margin: 0 auto 20px;
  object-fit: cover;
}
.team-member h3 {
  font-size: 22px;
  margin-bottom: 6px;
}
.team-member p {
  color: #165DFF;
  font-weight: 500;
  margin-bottom: 8px;
}
.team-member span {
  color: #64748b;
  font-size: 15px;
}

/* ========== 联系页面样式 ========== */
.contact-page {
  background: #fff;
}
.contact-page-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  max-width: 1000px;
  margin: 0 auto;
  background: #fff;
  padding: 50px;
  border-radius: 20px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.06);
}
.contact-left h2 {
  font-size: 28px;
  margin-bottom: 12px;
}
.contact-left p {
  color: #64748b;
  margin-bottom: 30px;
}
.single-contact {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}
.single-contact i {
  width: 48px;
  height: 48px;
  background: rgba(22,93,255,0.1);
  color: #165DFF;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}
.single-contact h4 {
  margin-bottom: 4px;
}
.single-contact p {
  color: #64748b;
  margin: 0;
}
.contact-form input, .contact-form textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid #ddd;
  border-radius: 8px;
  margin-bottom: 16px;
  outline: none;
}
.contact-form input:focus, .contact-form textarea:focus {
  border-color: #165DFF;
}
.contact-form textarea {
  min-height: 140px;
  resize: vertical;
}
.contact-form button {
  width: 100%;
}

/* ========== 响应式 ========== */
@media (max-width:992px) {
  .case-page-grid { grid-template-columns: repeat(2,1fr); }
  .team-page-grid { grid-template-columns: repeat(2,1fr); }
  .contact-page-wrap { grid-template-columns: 1fr; gap: 40px; padding: 30px; }
}
@media (max-width:576px) {
  .case-page-grid, .team-page-grid { grid-template-columns: 1fr; }
}

/* ========== 案例详情页样式 ========== */
.case-detail-wrapper {
  max-width: 900px;
  margin: 0 auto;
}
.case-detail-img {
  margin-bottom: 30px;
  border-radius: 16px;
  overflow: hidden;
}
.case-detail-info h2 {
  font-size: 28px;
  margin-bottom: 16px;
}
.case-meta {
  display: flex;
  gap: 20px;
  margin-bottom: 30px;
  color: #64748b;
  font-size: 15px;
}
.case-meta i {
  color: #165DFF;
  margin-right: 6px;
}
.case-detail-content h3 {
  font-size: 20px;
  margin: 26px 0 12px;
}
.case-detail-content p {
  color: #444;
  line-height: 1.8;
  margin-bottom: 14px;
}
.case-detail-content ul {
  padding-left: 20px;
  margin-bottom: 16px;
}
.case-detail-content li {
  line-height: 1.8;
  margin-bottom: 6px;
}
.case-detail-btns {
  display: flex;
  gap: 16px;
  margin-top: 40px;
}

/* ========== 文章列表页样式 ========== */
.news-grid {
  display: grid;
  grid-template-columns: repeat(2,1fr);
  gap: 40px;
}
.news-item {
  display: flex;
  gap: 20px;
  background: #f8fafc;
  padding: 20px;
  border-radius: 16px;
  transition: 0.3s;
}
.news-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.06);
}
.news-img {
  width: 180px;
  flex-shrink: 0;
  border-radius: 12px;
  overflow: hidden;
}
.news-img img {
  width: 100%;
  height: 120px;
  object-fit: cover;
}
.news-content h3 {
  font-size: 18px;
  margin-bottom: 10px;
  line-height: 1.5;
}
.news-content p {
  color: #64748b;
  font-size: 15px;
  line-height: 1.6;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 14px;
  color: #999;
}
.read-more {
  color: #165DFF;
}

/* ========== 文章详情页样式 ========== */
.news-detail-wrapper {
  max-width: 800px;
  margin: 0 auto;
}
.news-detail-wrapper h2 {
  font-size: 28px;
  line-height: 1.4;
  margin-bottom: 16px;
}
.news-detail-meta {
  color: #999;
  font-size: 15px;
  margin-bottom: 30px;
  display: flex;
  gap: 20px;
}
.news-detail-content img {
  max-width: 100%;
  border-radius: 12px;
  margin: 10px 0 20px;
}
.news-detail-content p {
  font-size: 16px;
  line-height: 1.9;
  color: #333;
  margin-bottom: 16px;
}
.news-detail-content h3 {
  font-size: 20px;
  margin: 26px 0 14px;
}
.news-detail-btns {
  margin-top: 40px;
}

/* ========== 响应式 ========== */
@media (max-width:992px) {
  .news-grid { grid-template-columns: 1fr; }
  .news-item { flex-direction: column; }
  .news-img { width: 100%; }
  .news-img img { height: 200px; }
}
@media (max-width:576px) {
  .case-meta { flex-direction: column; gap: 6px; }
}