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

/* 头部样式优化 - 提高对比度 */
.header {
  background-color: #2c3e50;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.header .logo a {
  background-image: url(../images/logo.gif) !important;
}

.header .myPhone {
  color: #fff;
  background: url(../images/myPhone.png) left center no-repeat;
}

.header .nav ul li a {
  color: #fff;
}

.header .nav ul li a:before {
  background-color: #fff;
}

/* 悬停状态保持原有样式 */
.header.header-hover,
.header.header-hover1 {
  background-color: #fff;
  border-bottom: 1px solid #e6e6e6;
}

.header.header-hover .logo a,
.header.header-hover1 .logo a {
  background-image: url(../images/logo.gif) !important;
}

.header.header-hover .myPhone,
.header-hover1 .myPhone {
  color: #333;
  background: url(../images/myPhone_h.png) left center no-repeat;
}

.header.header-hover .nav ul li a,
.header.header-hover1 .nav ul li a {
  color: #333;
}

.header.header-hover .nav ul li a:before,
.header.header-hover1 .nav ul li a:before {
  background-color: #333;
}
    .products-section {
      padding: 80px 0;
      background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
      position: relative;
      overflow: hidden;
    }
    .products-section::before {
      content: '';
      position: absolute;
      top: -10%;
      right: -10%;
      width: 40%;
      height: 40%;
      background: rgba(225, 86, 32, 0.05);
      border-radius: 50%;
      z-index: 0;
    }
    
    .products-section::after {
      content: '';
      position: absolute;
      bottom: -15%;
      left: -15%;
      width: 50%;
      height: 50%;
      background: rgba(225, 86, 32, 0.03);
      border-radius: 50%;
      z-index: 0;
    }
    
    .products-container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 30px;
      position: relative;
      z-index: 1;
    }
    
    /* 标题样式 */
    .section-title {
      text-align: center;
      margin-bottom: 70px;
      position: relative;
    }
    
    .section-title h2 {
      font-size: 36px;
      color: #2c3e50;
      font-weight: 700;
      position: relative;
      display: inline-block;
      padding-bottom: 20px;
      margin-bottom: 15px;
      letter-spacing: -0.5px;
    }
    
    .section-title h2:after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 50%;
      transform: translateX(-50%);
      width: 100px;
      height: 4px;
      background-color: #e15620;
      border-radius: 2px;
    }
    
    .section-title p {
      font-size: 18px;
      color: #6c757d;
      max-width: 800px;
      margin: 0 auto;
      line-height: 1.6;
    }
    
    /* 主案例样式 */
    .main-case {
      margin-bottom: 80px;
      text-align: center;
    }
    
    .main-case-item {
      background: #fff;
      border-radius: 16px;
      overflow: hidden;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
      transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
      max-width: 900px;
      margin: 0 auto;
      position: relative;
    }
    
    .main-case-item:hover {
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
      transform: translateY(-8px);
    }
    
    .main-case-item img {
      width: 100%;
      height: auto;
      display: block;
      transition: transform 0.7s ease;
    }
    
    .main-case-item:hover img {
      transform: scale(1.03);
    }
    
    .main-case-content {
      padding: 30px;
      background: #fff;
      position: relative;
    }
    
    .main-case-content h3 {
      font-size: 28px;
      color: #2c3e50;
      font-weight: 700;
      margin-bottom: 15px;
      line-height: 1.3;
    }
    
    .main-case-content p {
      font-size: 16px;
      color: #6c757d;
      line-height: 1.7;
      margin-bottom: 20px;
    }
    
    .btn-primary {
      display: inline-block;
      padding: 12px 30px;
      background: #e15620;
      color: white;
      border: none;
      border-radius: 50px;
      font-size: 16px;
      font-weight: 600;
      text-decoration: none;
      transition: all 0.3s ease;
      cursor: pointer;
      box-shadow: 0 4px 15px rgba(225, 86, 32, 0.3);
    }
    
    .btn-primary:hover {
      background: #d14515;
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(225, 86, 32, 0.4);
    }
    
    /* 设备展示样式 */
    .equipment-section {
      margin-bottom: 80px;
    }
    
    .equipment-title {
      font-size: 24px;
      color: #2c3e50;
      font-weight: 700;
      margin-bottom: 30px;
      padding-left: 20px;
      border-left: 4px solid #e15620;
    }
    
    /* 设备左右布局 */
     .equipment-row {
       display: flex;
       margin-bottom: 40px;
       background: #fff;
       border-radius: 16px;
       overflow: hidden;
       box-shadow: 0 8px 25px rgba(0, 0, 0, 0.06);
       transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
       position: relative;
       align-items: stretch;
     }
     
     .equipment-row:hover {
       box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
       transform: translateY(-6px);
      }
     
     .equipment-row::after {
       content: '';
       position: absolute;
       top: 0;
       right: 0;
       bottom: 0;
       width: 3px;
       background: linear-gradient(to bottom, transparent, #e15620, transparent);
       opacity: 0;
       transition: opacity 0.3s ease;
     }
     
     .equipment-row:hover::after {
       opacity: 1;
     }
     
     /* 设备左右容器 - 优化高度平衡 */
     .equipment-left,
     .equipment-right {
       width: 50%;
       padding: 30px;
       display: flex;
       align-items: center;
       justify-content: center;
       position: relative;
       min-height: 400px;
     }
     
     .equipment-left {
       background: linear-gradient(145deg, #f9f9fa 0%, #f0f0f2 100%);
       position: relative;
       border-right: 1px solid rgba(225, 86, 32, 0.1);
     }
     
     .equipment-left::before {
       content: '';
       position: absolute;
       top: 15%;
       left: 15%;
       right: 15%;
       bottom: 15%;
       background: rgba(225, 86, 32, 0.08);
       border-radius: 12px;
       z-index: 0;
       pointer-events: none;
     }
     
     .equipment-right {
       background: white;
     }
     
     /* 设备右侧容器增强 - 为短图片添加视觉平衡 */
     .equipment-right::before {
       content: '';
       position: absolute;
       top: 15%;
       left: 15%;
       right: 15%;
       bottom: 15%;
       background: rgba(44, 62, 80, 0.03);
       border-radius: 12px;
       z-index: 0;
       pointer-events: none;
     }
     
     /* 设备图片容器 - 精确控制图片大小和对齐 */
     .equipment-image-container {
       position: relative;
       z-index: 1;
       display: flex;
       align-items: center;
       justify-content: center;
       width: 100%;
       height: 100%;
     }
     
     .equipment-left img,
     .equipment-right img {
       max-width: 100%;
       max-height: 100%;
       height: auto;
       display: block;
       border-radius: 8px;
       transition: all 0.5s ease;
       box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
     }
     
     .equipment-row:hover .equipment-left img,
     .equipment-row:hover .equipment-right img {
       transform: scale(1.05);    }
     
     /* 设备类型标识 - 增强视觉识别度 */
     .equipment-type-badge {
       position: absolute;
       top: 20px;
       left: 20px;
       padding: 6px 16px;
       background: #e15620;
       color: white;
       font-size: 12px;
       font-weight: 600;
       border-radius: 50px;
       z-index: 2;
       letter-spacing: 0.5px;
     }
     
     .equipment-right .equipment-type-badge {
       background: #2c3e50;
     }
    
    /* 其他案例样式 */
    .other-cases {
      margin-top: 80px;
    }
    
    .other-cases-title {
      font-size: 24px;
      color: #2c3e50;
      font-weight: 700;
      margin-bottom: 30px;
      padding-left: 20px;
      border-left: 4px solid #e15620;
    }
    
    /* 两行两列布局 */
    .cases-grid-2col {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 30px;
    }
    
    .case-item {
      background: #fff;
      border-radius: 16px;
      overflow: hidden;
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.06);
      transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
      position: relative;
      display: flex;
      flex-direction: column;
      height: 100%;
    }
    
    .case-item:hover {
      box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
      transform: translateY(-8px);
    }
    
    .case-item::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 4px;
      height: 100%;
      background: linear-gradient(to bottom, #e15620, transparent);
      opacity: 0;
      transition: opacity 0.3s ease;
    }
    
    .case-item:hover::before {
      opacity: 1;
    }
    
    .case-image-container {
      padding: 20px;
      background: #f9f9fa;
      display: flex;
      align-items: center;
      justify-content: center;
      flex: 1;
    }
    
    .case-item img {
      max-width: 100%;
      height: auto;
      display: block;
      transition: transform 0.5s ease;
    }
    
    .case-item:hover img {
      transform: scale(1.1);
    }
    
    .case-content {
      padding: 25px;
      background: #fff;
    }
    
    .case-title {
      font-size: 20px;
      font-weight: 700;
      color: #2c3e50;
      margin-bottom: 10px;
      line-height: 1.3;
    }
    
    .case-description {
      font-size: 14px;
      color: #6c757d;
      line-height: 1.6;
      margin-bottom: 15px;
    }
    
    .btn-secondary {
      display: inline-block;
      padding: 8px 20px;
      background: transparent;
      color: #e15620;
      border: 2px solid #e15620;
      border-radius: 50px;
      font-size: 14px;
      font-weight: 600;
      text-decoration: none;
      transition: all 0.3s ease;
      cursor: pointer;
    }
    
    .btn-secondary:hover {
      background: #e15620;
      color: white;
      transform: translateY(-2px);
    }
    
    /* 响应式设计 */
    @media (max-width: 1200px) {
      .products-container {
        max-width: 1000px;
      }
      
      .section-title h2 {
        font-size: 32px;
      }
      
      .main-case-content h3 {
        font-size: 24px;
      }
    }
    
    @media (max-width: 1024px) {
      .products-section {
        padding: 60px 0;
      }
      
      .section-title {
        margin-bottom: 50px;
      }
      
      .main-case {
        margin-bottom: 60px;
      }
      
      .equipment-row {
        flex-direction: column;
        margin-bottom: 30px;
      }
      
      .equipment-left,
      .equipment-right {
        width: 100%;
        padding: 25px;
      }
      
      .cases-grid-2col {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
      }
      
      .equipment-section,
      .other-cases {
        margin-bottom: 60px;
        margin-top: 60px;
      }
    }
    
    @media (max-width: 768px) {
      .products-section {
        padding: 40px 0;
      }
      
      .products-container {
        padding: 0 20px;
      }
      
      .section-title {
        margin-bottom: 40px;
      }
      
      .section-title h2 {
        font-size: 28px;
        padding-bottom: 15px;
      }
      
      .section-title h2:after {
        width: 80px;
      }
      
      .section-title p {
        font-size: 16px;
      }
      
      .main-case {
        margin-bottom: 50px;
      }
      
      .main-case-item {
        border-radius: 12px;
      }
      
      .main-case-content {
        padding: 25px;
      }
      
      .main-case-content h3 {
        font-size: 22px;
      }
      
      .equipment-left,
      .equipment-right {
        padding: 20px;
      }
      
      .cases-grid-2col {
        grid-template-columns: 1fr;
        gap: 20px;
      }
      
      .equipment-section,
      .other-cases {
        margin-bottom: 50px;
        margin-top: 50px;
      }
      
      .equipment-title,
      .other-cases-title {
        font-size: 22px;
      }
      
      .case-content {
        padding: 20px;
      }
      
      .case-title {
        font-size: 18px;
      }
    }
    
    @media (max-width: 480px) {
      .products-section {
        padding: 30px 0;
      }
      
      .section-title h2 {
        font-size: 24px;
      }
      
      .main-case-content h3 {
        font-size: 20px;
      }
      
      .btn-primary {
        padding: 10px 24px;
        font-size: 14px;
      }
      
      .equipment-title,
      .other-cases-title {
        font-size: 20px;
      }
    }