/* 全局样式 */
  /* * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
      font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
  }

  body {
      background-color: #f5f7fa;
      color: #333;
      line-height: 1.6;
      display: flex;
  } */

  /* 左侧进度条样式 */
  .progress-sidebar {
      box-sizing: border-box;
      top: 20%;
      width: 14%;
      background: white;
      color: black;
      padding: 30px 20px;
      position: fixed;
      height: 100vh;
      overflow-y: auto;
      z-index: 100;
  }

  .progress-title {
      text-align: center;
      margin-bottom: 40px;
      padding-bottom: 15px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .progress-title h2 {
      font-size: 22px;
      font-weight: 600;
  }

  .progress-title p {
      color: #a0aec0;
      font-size: 14px;
      margin-top: 5px;
  }

  .progress-nav {
      list-style: none;
  }

  .progress-nav li {
      margin-bottom: 10px;
      position: relative;
  }

  .progress-nav li a {
      display: flex;
      align-items: center;
      padding: 15px 20px;
      color: black;
      text-decoration: none;
      border-radius: 8px;
      transition: all 0.3s ease;
      position: relative;
      font-weight: 500;
  }

  .progress-nav li a i {
      margin-right: 12px;
      font-size: 18px;
      width: 24px;
      text-align: center;
  }

  .progress-nav li a:hover {
      background: rgba(255, 255, 255, 0.05);
      color: #3498db;
  }

  .progress-nav li a.active {
      /* background: rgba(255, 255, 255, 0.1); */
      color: #3498db;
      /* box-shadow: 0 0 15px rgba(0, 0, 0, 0.1); */
  }

  .progress-nav li a.active:before {
      content: '';
      position: absolute;
      left: 0;
      top: 50%;
      transform: translateY(-50%);
      width: 4px;
      height: 70%;
      background: #3498db;
      border-radius: 0 4px 4px 0;
  }


  .header {
      text-align: center;
      background: white;
      color: black;
      padding: 40px 20px;
      margin-bottom: 30px;
  }

  .header h1 {
      font-size: 32px;
      margin-bottom: 15px;
      font-weight: 600;
  }

  .header p {
      font-size: 18px;
      text-align: left;
  }

  /* 内容卡片 */
  .card {
      background: white;
      border-radius: 8px;
      padding: 25px;
      margin-bottom: 25px;
      box-shadow: 5px 5px 6px rgba(51, 112, 255, 0.5);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      opacity: 1;
      transform: translateY(0);
  }

  .card2 {
      background: white;
      /* padding: 25px; */
      margin-bottom: 25px;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      opacity: 1;
      transform: translateY(0);
  }


  .card2 h2 {
      font-weight: bold;
      color: rgba(51, 112, 255, 1);
      margin-bottom: 15px;
      padding-bottom: 10px;
      border-bottom: 2px solid #eaeaea;
      font-size: 22px;
  }

  .card.active {
      opacity: 1;
      transform: translateY(0);
  }

  .card:hover {
      transform: translateY(-5px);
      box-shadow: 0 5px 15px rgba(51, 112, 255, 1);
  }

  .card h2 {
      font-weight: bold;
      color: rgba(51, 112, 255, 1);
      margin-bottom: 15px;
      padding-bottom: 10px;
      border-bottom: 2px solid #eaeaea;
      font-size: 22px;
  }

  /* 客户介绍区域 */
  .client-intro {
      display: flex;
      align-items: flex-start;
      gap: 20px;
  }

  .client-logo {
      overflow: hidden;
      width: 120px;
      height: 120px;
      background-color: #f0f5ff;
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 16px;
      color: #1a6fc4;
      font-weight: bold;
      flex-shrink: 0;
  }

  .client-logo img {
      width: 100%;
  }

  .client-info {
      flex: 1;
  }

  .client-info h3 {
      color: black;
      margin-bottom: 10px;
  }

  /* 数据指标区域 */
  .metrics {
      display: flex;
      justify-content: space-around;
      margin: 30px 0;
      text-align: center;
  }

  .metric-item {
      flex: 1;
      padding: 20px;
  }

  .metric-value {
      font-size: 42px;
      font-weight: bold;
      color: #1a6fc4;
      margin-bottom: 10px;
  }

  .metric-label {
      font-size: 16px;
      color: black;
  }

  /* 案例视频区域 */
  .video-case {
      background-color: #ffffff;
      color: rgba(51, 112, 255, 1);
      padding: 30px;
      border-radius: 8px;
      margin: 30px 0;
      text-align: left;
  }

  .video-case h2 {
      font-weight: bold;
      color: rgba(51, 112, 255, 1);
      margin-bottom: 15px;
      padding-bottom: 10px;
      font-size: 22px;
  }


  .video-placeholder {
      width: 100%;
      height: 550px;
      background-color: rgba(0, 0, 0, 0.2);
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 20px 0;
      cursor: pointer;
  }

  .play-button {
      cursor: pointer;
      position: absolute;
      width: 80px;
      height: 80px;
      background-color: rgba(255, 255, 255);
      box-sizing: border-box;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #1a6fc4;
      font-size: 36px;
      padding-left: 8px;
      transition: all 0.3s ease;
  }

  .play-button:hover {
      background-color: #1a6fc4;
      color: rgba(255, 255, 255);
  }

  /* 客户证言 */
  .testimonial {
      background-color: #f1f7fe;
      border-left: 4px solid #1a6fc4;
      padding: 20px 30px;
      margin: 30px 0;
      font-style: italic;
  }

  .testimonial-author {
      margin-top: 15px;
      font-weight: bold;
      color: #2c3e50;
  }

  .testimonial-position {
      font-size: 14px;
      color: #666;
  }

  /* 合作伙伴展示 */
  .partners {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
      gap: 20px;
      margin: 30px 0;
  }

  .partner-item {
      background: white;
      border-radius: 8px;
      padding: 15px;
      text-align: center;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
      height: 120px;
      display: flex;
      align-items: center;
      justify-content: center;
  }

  /* 页脚 */
  .footer {
      background-color: #2c3e50;
      color: white;
      padding: 30px 0;
      margin-top: 50px;
  }

  .footer-content {
      display: flex;
      justify-content: space-between;
      flex-wrap: wrap;
  }

  .footer-section {
      flex: 1;
      min-width: 200px;
      margin-bottom: 20px;
  }

  .footer-section h3 {
      margin-bottom: 15px;
      font-size: 18px;
  }

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

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

  .footer-section a {
      color: #ccc;
      text-decoration: none;
  }

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

  .copyright {
      text-align: center;
      padding-top: 20px;
      margin-top: 20px;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      color: #ccc;
      font-size: 14px;
  }

  /* 响应式设计 */
  @media (max-width: 992px) {
      .progress-sidebar {
          width: 220px;
      }

      .container {
          margin-left: 220px;
          padding: 30px;
      }
  }

  @media (max-width: 768px) {
      body {
          flex-direction: column;
      }

      .progress-sidebar {
          width: 100%;
          height: auto;
          position: relative;
          padding: 20px;
      }

      .container {
          margin-left: 0;
          padding: 20px;
      }

      .progress-title {
          margin-bottom: 20px;
      }

      .progress-nav {
          display: flex;
          flex-wrap: wrap;
          gap: 10px;
      }

      .progress-nav li {
          flex: 1;
          min-width: 140px;
      }

      .progress-nav li a {
          padding: 12px 15px;
          font-size: 14px;
      }

      .client-intro {
          flex-direction: column;
      }

      .client-logo {
          align-self: center;
      }

      .video-placeholder {
          height: 200px;
      }

      .metrics {
          flex-direction: column;
      }
  }

  /* 更多案例 */

  .container2 {
      max-width: 1200px;
      margin: 0 auto;
  }

  .section-title {
      text-align: right;
      margin-bottom: 40px;
  }

  .section-title h2 {
      font-size: 30px;
      color: rgba(51, 112, 255, 1);
      margin-bottom: 15px;
      font-weight: 600;
  }

  .section-title p {
      font-size: 18px;
      color: #666;
      max-width: 800px;
      margin: 0 auto;
  }

  .cases-container {
      position: relative;
      margin: auto;
      width: 100%;
      display: flex;
      gap: 5%;
      margin-bottom: 40px;
      z-index: 1000;
  }

  .case-card {
      height: 195px;
      padding: 20px;
      box-sizing: border-box;
      width: 30%;
      background: white;
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
  }

  .case-card:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
  }

  .case-header {
      margin-bottom: 15px;
      text-align: center;
      background: white;
      color: black;
      display: flex;
      align-items: center;
      justify-content: center;
  }

  .case-header h3 {
      font-size: 20px;
      font-weight: 600;
  }

  .case-content {
      position: relative;
      flex-grow: 1;
  }

  .case-content p {
      display: -webkit-box;
      -webkit-line-clamp: 4;
      -webkit-box-orient: vertical;
      overflow: hidden;
      text-overflow: ellipsis;
      color: #4a5568;
      line-height: 1.7;
      margin-bottom: 20px;
      font-size: 14px;
  }

  .learn-more {
      font-size: 16px;
      position: absolute;
      bottom: 10px;
      display: inline-flex;
      align-items: center;
      color: #1a6fc4;
      font-weight: 600;
      text-decoration: none;
      transition: all 0.3s ease-in-out;
  }

  .learn-more i {
      margin-left: 8px;
      transition: transform 0.3s ease;
  }

  .learn-more:hover {
      transform: translateX(5px);
      color: #2c3e50;
  }

  .learn-more:hover i {
      transform: translateX(5px);
  }

  .view-more {
      text-align: right;
      margin-top: 30px;
  }

  .view-more-btn {
      display: inline-flex;
      align-items: center;
      background: rgba(51, 112, 255, 1);
      color: white;
      padding: 15px 25px;
      border-radius: 10px;
      text-decoration: none;
      font-weight: 600;
      font-size: 16px;
      transition: all 0.3s ease;
      box-shadow: 0 4px 15px rgba(26, 111, 196, 0.3);
  }

  .view-more-btn i {
      margin-left: 10px;
      transition: transform 0.3s ease;
  }

  .view-more-btn:hover {
      box-shadow: 0 6px 20px rgba(26, 111, 196, 0.4);
      transform: translateY(-2px);
  }

  .view-more-btn:hover i {
      transform: translateX(5px);
  }

  /* 响应式设计 */
  @media (max-width: 1100px) {
      .cases-container {
          grid-template-columns: 1fr;
      }
  }

  @media (max-width: 600px) {
      .case-header {
          padding: 15px;
      }

      .case-header h3 {
          font-size: 20px;
      }


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

      .section-title p {
          font-size: 16px;
      }
  }

  .anlisp {
      display: flex;
      position: relative;
      justify-content: center;
      align-items: center;
  }

  .anlisp video {
      width: 100%;
      height: auto;
  }

  .anlisp p {}