/* 基础样式 */
  * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
      font-family: Arial, sans-serif;
  }

  body {
      color: #1D2129;
      background-color: white;
      line-height: 1.6;
  }

  a {
      text-decoration: none;
      color: inherit;
  }

  ul {
      list-style: none;
  }

  .container {
      width: 100%;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
  }

  .btn {
      display: inline-block;
      padding: 10px 20px;
      border-radius: 6px;
      font-weight: 500;
      transition: all 0.3s ease;
      text-align: center;
  }

  .btn-primary {
      background-color: #165DFF;
      color: white;
      border: none;
  }

  .btn-primary:hover {
      background-color: #0E4CD1;
  }

  .btn-outline {
      border: 1px solid #165DFF;
      color: #165DFF;
      background-color: transparent;
  }

  .btn-outline:hover {
      background-color: #f0f5ff;
  }

  .section {
      padding: 80px 0;
  }

  .section-title {
      text-align: center;
      margin-bottom: 60px;
  }

  .section-title span {
      display: inline-block;
      padding: 4px 12px;
      background-color: rgba(22, 93, 255, 0.1);
      color: #165DFF;
      border-radius: 30px;
      font-size: 14px;
      margin-bottom: 15px;
  }

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

  .section-title p {
      color: #666;
      font-size: 18px;
      max-width: 700px;
      margin: 0 auto;
  }

  /* 导航栏 */
  header {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      background-color: white;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
      z-index: 100;
      transition: all 0.3s ease;
  }

  .navbar {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 0;
  }

  .logo {
      display: flex;
      align-items: center;
      font-size: 20px;
      font-weight: bold;
  }

  .logo-icon {
     height: 23px;
    margin-right: 5px;
  }
  .logo-icon img {
    height: 100%;
  }

  .nav-links {
      display: flex;
      gap: 30px;
  }

  .nav-links a {
      font-weight: 500;
      color: #333;
      transition: color 0.3s ease;
  }

  .nav-links a:hover,
  .nav-links a.active {
      color: #165DFF;
  }

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

  /* 移动端菜单 */
  .mobile-menu {
      display: none;
      padding: 20px 0;
      border-top: 1px solid #eee;
  }

  .mobile-menu.active {
      display: block;
  }

  .mobile-menu a {
      display: block;
      padding: 10px 0;
      font-weight: 500;
  }

  .mobile-menu .btn {
      margin-top: 10px;
      width: 100%;
  }

  /* 英雄区域 */
  .hero {
      padding-top: 150px;
      padding-bottom: 100px;
      background: linear-gradient(135deg, #f0f5ff 0%, #e6f7f0 100%);
  }

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

  .hero-text {
      flex: 1;
      min-width: 300px;
  }

  .hero-text h1 {
      font-size: 40px;
      line-height: 1.2;
      margin-bottom: 20px;
  }

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

  .hero-text p {
      font-size: 18px;
      color: #666;
      margin-bottom: 30px;
      max-width: 500px;
  }

  .hero-buttons {
      display: flex;
      flex-wrap: wrap;
      gap: 15px;
      margin-bottom: 40px;
  }

  .client-rating {
      display: flex;
      align-items: center;
  }

  .client-avatars {
      display: flex;
      margin-right: 15px;
  }

  .client-avatars img {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      border: 2px solid white;
      margin-left: -10px;
  }

  .client-avatars img:first-child {
      margin-left: 0;
  }

  .rating-stars {
      color: #ffcc00;
      margin-bottom: 5px;
  }

  .hero-image {
      flex: 1;
      min-width: 300px;
      position: relative;
  }

  .hero-image img {
      width: 100%;
      border-radius: 12px;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  }

  /* 关于我们 */
  .about-content {
      display: flex;
      flex-wrap: wrap;
      gap: 60px;
      align-items: center;
  }

  .about-image {
      flex: 1;
      min-width: 300px;
      position: relative;
  }

  .about-image img {
      width: 100%;
      border-radius: 12px;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  }

  .about-experience {
      position: absolute;
      top: 50%;
      left: -50px;
      transform: translateY(-50%);
      background-color: white;
      padding: 20px;
      border-radius: 8px;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  }

  .about-experience .number {
      font-size: 36px;
      font-weight: bold;
      color: #165DFF;
  }

  .about-text {
      flex: 1;
      min-width: 300px;
  }

  .about-text h3 {
      font-size: 24px;
      margin-bottom: 20px;
  }

  .about-text p {
      color: #666;
      margin-bottom: 30px;
  }

  .about-features {
      margin-bottom: 30px;
  }

  .about-feature {
      display: flex;
      gap: 15px;
      margin-bottom: 20px;
  }

  .feature-icon {
      width: 50px;
      height: 50px;
      background-color: rgba(22, 93, 255, 0.1);
      color: #165DFF;
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
  }

  .feature-text h4 {
      font-size: 18px;
      margin-bottom: 5px;
  }

  .feature-text p {
      color: #666;
      margin-bottom: 0;
  }

  /* 案例展示 */
  .cases-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
      gap: 30px;
      margin-bottom: 40px;
      justify-content: space-around;
  }

  .case-card {
      position: relative;
      border-radius: 12px;
      overflow: hidden;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
      height: 300px;
  }

  .case-card img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
  }

  .case-card:hover img {
      transform: scale(1.1);
  }

  .case-info {
     position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 20px;
    background: linear-gradient(to top, rgb(0 0 0 / 88%), rgb(0 0 0 / 74%) 50%, transparent);
    color: white;
  }

  .case-category {
       color: #ffffff;
    font-size: 22px;
    margin-bottom: 5px;
    background: #42d3695e;
    text-align: center;
  }

  .case-title {
      font-size: 18px;
      margin-bottom: 10px;
  }

  .case-desc {
      /* opacity: 0; */
      transition: opacity 0.3s ease;
      margin-bottom: 10px;
  }

  .case-card:hover .case-desc {
      opacity: 1;
  }

  .case-link {
      opacity: 0;
      transition: opacity 0.3s ease;
      display: inline-flex;
      align-items: center;
      font-weight: 500;
  }

  .case-card:hover .case-link {
      opacity: 1;
  }

  .case-link:after {
      content: "→";
      margin-left: 5px;
  }

  .cases-more {
      text-align: center;
  }

  /* 咨询CTA */
  .cta {
      background-color: #165DFF;
      color: white;
      padding: 60px 0;
  }

  .cta-content {
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      align-items: center;
      gap: 30px;
  }

  .cta-text {
      flex: 1;
      min-width: 300px;
  }

  .cta-text h2 {
      font-size: 28px;
      margin-bottom: 10px;
  }

  .cta-text p {
      color: rgba(255, 255, 255, 0.8);
      font-size: 18px;
  }

  .cta-button {
      flex-shrink: 0;
  }

  .cta .btn {
      background-color: white;
      color: #165DFF;
      font-size: 16px;
  }

  .cta .btn:hover {
      background-color: #f0f0f0;
  }

  /* 页脚 */
  footer {
      background-color: #1D2129;
      color: white;
      padding: 80px 0 40px;
  }

  .footer-content {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      gap: 40px;
      margin-bottom: 60px;
  }

  .footer-logo {
      display: flex;
      align-items: center;
      font-size: 20px;
      font-weight: bold;
      margin-bottom: 20px;
  }

  .footer-logo .logo-icon {
      color: #165DFF;
  }

  .footer-about p {
      color: rgba(255, 255, 255, 0.6);
      margin-bottom: 20px;
  }

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

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

  .footer-links a {
      color: rgba(255, 255, 255, 0.6);
      transition: color 0.3s ease;
  }

  .footer-links a:hover {
      color: white;
  }

  .footer-contact li {
      display: flex;
      margin-bottom: 15px;
      color: rgba(255, 255, 255, 0.6);
  }

  .footer-contact li:before {
      content: "•";
      color: #165DFF;
      margin-right: 10px;
  }

  .footer-bottom {
      padding-top: 30px;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      align-items: center;
      gap: 20px;
  }

  .footer-bottom p {
      color: rgba(255, 255, 255, 0.6);
      font-size: 14px;
  }

  .footer-policies {
      display: flex;
      gap: 20px;
  }

  .footer-policies a {
      color: rgba(255, 255, 255, 0.6);
      font-size: 14px;
      transition: color 0.3s ease;
  }

  .footer-policies a:hover {
      color: white;
  }

  /* 响应式设计 */
  @media (max-width: 768px) {

      .nav-links,
      .navbar .btn {
          display: none;
      }

      .menu-btn {
          display: block;
      }

      .hero-text h1 {
          font-size: 32px;
      }

      .about-experience {
          position: static;
          transform: none;
          margin-top: 20px;
          display: inline-block;
      }

      .section-title h2 {
          font-size: 28px;
      }

      .contact-info h2 {
          font-size: 28px;
      }
  }