/* 基础样式 */
.magnifier-container { position: relative; }
.images-cover img { width: 100%; }

/* 缩略图样式 */
.magnifier-line ul {
  display: flex;
  gap: 10px;
  padding: 0;
  list-style: none;
  justify-content: space-evenly;
}
.static-img {
  width: 80px;
  height: 80px;
  border: 1px solid transparent;
  cursor: pointer;
}
.static-img.active {
  border-color: #bbb;
}
.static-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 按钮样式 */
  .magnifier-btn {
    position: absolute;
    width: 33.5%;
    transform: translateY(70%);
    display: flex;
    justify-content: space-between;
    pointer-events: none;
}

.magnifier-btn span {
  pointer-events: auto;
  width: 30px;
  height: 30px;
  background:rgb(211 211 211 / 80%);
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}




    
    /* 初始状态的参数导航栏 */
    .parameters-nav {
      background-color: white;
      padding: 0;
      transition: all 0.3s ease;
      position: relative;
  }
  .container .pro_one{
    margin-bottom: 50px;
  }
  .parameters-container {
      max-width: 1200px;
      /* margin: 0 auto; */
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 0 20px;
  }
  
  /* 固定在顶部的样式 */
  .parameters-nav.fixed {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      z-index: 1000;
      animation: slideDown 0.3s ease;
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
  }
  
  @keyframes slideDown {
      from {
          transform: translateY(-100%);
          opacity: 0;
      }
      to {
          transform: translateY(0);
          opacity: 1;
      }
  }
  
  .logo {
      font-size: 22px;
      font-weight: 700;
      display: flex;
      align-items: center;
      color: #2c3e50;
  }
  
  .logo i {
      margin-right: 10px;
      color: #76151e;
  }
  
  .parameters-tabs {
      display: flex;
      list-style: none;
      margin: 0;
      padding: 0;
  }
  
  .parameter-tab {
      padding: 22px 50px;
      cursor: pointer;
      font-weight: 500;
      color: #555;
      border-bottom: 3px solid transparent;
      transition: all 0.3s ease;
      position: relative;
      display: flex;
      align-items: center;
  }
  
  .parameter-tab:hover {
      color: #76151e;
      background-color: #f8f9fa;
  }
  
  .parameter-tab.active {
      color: #76151e;
      border-bottom-color: #76151e;
      background-color: #f8f9fa;
  }
  
  .parameter-tab i {
      margin-right: 8px;
      font-size: 16px;
  }
  
  /* 产品概览区域 */
  .product-overview {
      background: linear-gradient(135deg, #1a2980 0%, #26d0ce 100%);
      color: white;
      padding: 60px 0;
      text-align: center;
      margin-bottom: 40px;
      border-radius: 10px;
  }
  
  .product-title {
      font-size: 2.8rem;
      margin-bottom: 15px;
      font-weight: 700;
  }
  
  .product-subtitle {
      font-size: 1.2rem;
      opacity: 0.9;
      max-width: 800px;
      margin: 0 auto;
  }
  
  /* 主要内容区域 */
  .content-section {
      margin-bottom: 60px;
      background-color: white;
      border-radius: 10px;
      padding: 10px;
      /* box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05); */
      transition: transform 0.3s ease;
      scroll-margin-top: 20px; /* 为固定导航栏留出偏移 */
  }
  
  .content-section:hover {
      transform: translateY(-5px);
  }
  
  .section-header {
      display: flex;
      align-items: center;
      margin-bottom: 30px;
      padding-bottom: 15px;
      border-bottom: 2px solid #76151e;
  }
  
  .section-icon {
      background-color: #76151e;
      color: white;
      width: 50px;
      height: 50px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      margin-right: 15px;
  }
  
  .section-title {
      font-size: 28px;
      color: #2c3e50;
      font-weight: 700;
  }
  
  /* 产品描述样式 */
  .description-content {
      font-size: 18px;
      line-height: 1.8;
  }
  
  .highlight {
      color: #e74c3c;
      font-weight: 600;
  }
  
  /* 型号价格表样式 */
  .model-table {
      width: 100%;
      border-collapse: collapse;
      margin-top: 20px;
  }
  
  .model-table th {
      background-color: #2c3e50;
      color: white;
      padding: 15px;
      text-align: left;
  }
  
  .model-table td {
      padding: 15px;
      border-bottom: 1px solid #eee;
  }
  
  .model-table tr:nth-child(even) {
      background-color: #f8f9fa;
  }
  
  .price {
      color: #e74c3c;
      font-weight: 700;
      font-size: 18px;
  }
  
  /* 技术参数样式 */
  .tech-specs {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
      gap: 25px;
  }
  
  .spec-item {
      background-color: #f8f9fa;
      padding: 25px;
      border-radius: 8px;
      border-left: 4px solid #76151e;
  }
  
  .spec-title {
      font-weight: 700;
      margin-bottom: 10px;
      color: #2c3e50;
      font-size: 18px;
  }
  
  .spec-value {
      font-size: 22px;
      color: #76151e;
      font-weight: 700;
  }
  
  /* 选型指南样式 */
  .selection-guide {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
      gap: 25px;
  }
  
  .guide-step {
      background-color: #f8f9fa;
      padding: 25px;
      border-radius: 8px;
      text-align: center;
      transition: all 0.3s ease;
  }
  
  .guide-step:hover {
      background-color: #e3f2fd;
  }
  
  .step-number {
      background-color: #76151e;
      color: white;
      width: 40px;
      height: 40px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 15px;
      font-weight: 700;
  }
  
  /* 视频区域样式 */
  .video-container {
      position: relative;
      padding-bottom: 36.25%; /* 16:9 比例 */
      height: 0;
      overflow: hidden;
      border-radius: 10px;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
      margin-top: 20px;
  }
  
  .video-container iframe {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      border: none;
  }
  /* 响应式设计 */
  @media (max-width: 992px) {
      .parameters-tabs {
          flex-wrap: wrap;
          justify-content: center;
      }
      
      .parameter-tab {
          padding: 15px 20px;
          font-size: 14px;
      }
      
      .product-title {
          font-size: 2.2rem;
      }
  }
  
  @media (max-width: 768px) {
      .parameters-container {
          flex-direction: column;
          padding: 15px 20px;
      }
      
      .logo {
          margin-bottom: 15px;
      }
      
      .content-section {
          padding: 25px;
      }
      
      .section-title {
          font-size: 24px;
      }
      
      .tech-specs, .selection-guide {
          grid-template-columns: 1fr;
      }
      
      .model-table {
          display: block;
          overflow-x: auto;
      }

      .parameters-nav.fixed {
          padding: 5px 0;
      }
  }
  
  @media (max-width: 576px) {
      .parameter-tab {
          padding: 12px 15px;
          font-size: 13px;
      }
      
      .parameter-tab i {
          margin-right: 5px;
          font-size: 14px;
      }
      
      .product-title {
          font-size: 1.8rem;
      }
      
      .section-header {
          flex-direction: column;
          align-items: flex-start;
      }
      
      .section-icon {
          margin-bottom: 15px;
      }
  }
  
  /* 移动端菜单按钮 */
  .mobile-menu-toggle {
      display: none;
      background: none;
      border: none;
      color: #2c3e50;
      font-size: 24px;
      cursor: pointer;
      padding: 10px;
  }
  
  @media (max-width: 768px) {
      .mobile-menu-toggle {
          display: block;
          position: absolute;
          top: 15px;
          right: 20px;
      }
      
      .parameters-container {
          align-items: flex-start;
      }
      
      .parameters-tabs {
          flex-direction: column;
          width: 100%;
          display: none;
      }
      
      .parameters-tabs.show {
          display: flex;
      }
      
      .parameter-tab {
          width: 100%;
          justify-content: center;
          border-bottom: 1px solid #eee;
          border-left: 3px solid transparent;
      }
      
      .parameter-tab.active {
          border-left-color: #76151e;
          border-bottom-color: #eee;
      }
  }
  
  /* 占位元素，用于当导航栏固定时保持布局 */
  .nav-placeholder {
      height: 0;
      transition: height 0.3s ease;
  }
  
  .nav-placeholder.active {
      height: 70px; /* 与导航栏高度一致 */
  }
  
  @media (max-width: 768px) {
      .nav-placeholder.active {
          height: 80px; /* 移动端导航栏更高 */
      }
  }





  .pro_one .text-box .btns {
    display: flex;
    flex-direction: column;
    padding: 20px 0;
}

.pro_one .text-box .btns a {
    background-color: #76151e;
    color: #fff;
    text-align: center;
    padding: 8px 46px;
    border-radius: 100px;
    width: 20%;
    margin: 10px 0;
}