/* 全局样式 */
  * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
      font-family: 'Arial', sans-serif;
  }
  
  :root {
      --primary-color: #0a4b78;
      --secondary-color: #0d61a6;
      --accent-color: #1e88e5;
      --light-color: #f5f7fa;
      --dark-color: #333;
      --gray-color: #666;
      --light-blue: #e3f2fd;
  }
  
  body {
      color: var(--dark-color);
      line-height: 1.6;
      overflow-x: hidden;
  }
  
  .container {
      width: 100%;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
  }
  
  h1, h2, h3, h4 {
      font-weight: 700;
      margin-bottom: 1rem;
  }
  
  h2 {
      font-size: 2.5rem;
      color: var(--primary-color);
      text-align: center;
      margin-bottom: 2rem;
      position: relative;
  }
  
  h2::after {
      content: '';
      display: block;
      width: 80px;
      height: 4px;
      background: var(--accent-color);
      margin: 10px auto 0;
  }
  
  h3 {
      font-size: 1.5rem;
      color: var(--primary-color);
  }
  
  p {
      margin-bottom: 1rem;
  }
  
  a {
      text-decoration: none;
      color: var(--primary-color);
      transition: all 0.3s ease;
  }
  
  a:hover {
      color: var(--accent-color);
  }
  
  .btn {
      display: inline-block;
      background: var(--primary-color);
      color: white;
      padding: 10px 20px;
      border-radius: 5px;
      font-weight: 600;
      transition: all 0.3s ease;
      border: none;
      cursor: pointer;
  }
  
  .btn:hover {
      background: var(--secondary-color);
      transform: translateY(-2px);
      color: white;
  }
  
  /* 导航栏样式 */
  .navbar {
      background: white;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
      position: fixed;
      width: 100%;
      z-index: 1000;
  }
  
  .navbar .container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
  }
  
  
  .nav-links ul {
      display: flex;
      list-style: none;
  }
  
  .nav-links ul li {
      margin-left: 30px;
  }
  
  .nav-links ul li a {
      color: var(--dark-color);
      font-weight: 500;
      position: relative;
  }
  .nav-links ul li a:hover{
  	color: var(--primary-color);
  }
  
  .nav-links.nav-links ul li a.active {
      color: var(--primary-color);
  }
  
  .nav-links ul li a.active::after {
      content: '';
      display: block;
      width: 100%;
      height: 2px;
      background: var(--primary-color);
      position: absolute;
      bottom: -5px;
  }
  
  .mobile-menu-btn {
      display: none;
      font-size: 1.5rem;
      cursor: pointer;
  }
        /* 页面标题样式 */
        .page-header {
            background: linear-gradient(rgba(10, 75, 120, 0.8), rgba(13, 97, 166, 0.7)), url("https://p3-flow-imagex-sign.byteimg.com/tos-cn-i-a9rns2rl98/rc/pc/super_tool/788987cc24c54c8ea25ef30852f8ce8b~tplv-a9rns2rl98-image.image?rcl=20251022182633F8B7E01B1E64B9CF3995&rk3s=8e244e95&rrcfp=f06b921b&x-expires=1763721100&x-signature=qKuM06iDZWpn2zVRUIBo7rnT540%3D") no-repeat;
            background-size: cover;
            background-position: center center;
            padding: 120px 0 60px;
            color: white;
            text-align: center;
        }

        .page-header h1 {
            font-size: 3rem;
            margin-bottom: 1rem;
        }

        .page-header p {
            font-size: 1.2rem;
            max-width: 700px;
            margin: 0 auto;
        }

        

        /* 新闻列表样式 */
        .news-list {
            padding: 60px 0;
        }

        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 30px;
            margin-bottom: 40px;
        }

        .news-card {
            background: white;
            border-radius: 5px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            transition: transform 0.3s ease;
            display: block; /* 确保新闻卡片默认显示 */
        }

        .news-card:hover {
            transform: translateY(-5px);
        }

        .news-card img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }

        .news-content {
            padding: 20px;
        }

        .news-date {
            display: inline-block;
            color: var(--gray-color);
            font-size: 0.9rem;
            margin-bottom: 10px;
        }

        .read-more {
            display: inline-flex;
            align-items: center;
            color: var(--accent-color);
            font-weight: 600;
            margin-top: 10px;
        }

        .read-more i {
            margin-left: 5px;
            transition: transform 0.3s ease;
        }

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

        /* 分页样式 */
        .pagination {
            display: flex;
            justify-content: center;
            margin-top: 40px;
            padding: 20px 0;
            border-top: 1px solid #eee;
        }

        .pagination-container {
            display: flex;
            align-items: center;
            justify-content: center;
            flex-wrap: wrap;
            gap: 20px;
            width: 100%;
            max-width: 800px;
        }

        .pagination-info {
            color: var(--gray-color);
            font-size: 0.95rem;
        }

        .pagination-list {
            display: flex;
            align-items: center;
            list-style: none;
            padding: 0;
            margin: 0;
            background: white;
            border-radius: 30px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
            overflow: hidden;
        }

        .pagination-item {
            margin: 0;
        }

        .pagination-item a {
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 8px 16px;
            color: var(--primary-color);
            font-weight: 500;
            transition: all 0.3s ease;
            border: none;
            background: transparent;
        }

        .pagination-item a:hover {
            background: rgba(10, 75, 120, 0.05);
            color: var(--primary-color);
        }

        .pagination-item.active a {
            background: var(--primary-color);
            color: white;
            font-weight: 600;
        }

        .pagination-item.prev a,
        .pagination-item.next a {
            padding: 8px 14px;
            font-size: 1.2rem;
        }

        .pagination-item.prev.disabled a,
        .pagination-item.next.disabled a {
            color: #ccc;
            cursor: not-allowed;
            background: transparent;
        }

        .pagination-item.prev.disabled a:hover,
        .pagination-item.next.disabled a:hover {
            background: transparent;
        }

      /* 联系我们样式 */
      .contact {
          padding: 80px 0;
      }
      
      .contact-content {
          display: flex;
          flex-wrap: wrap;
          gap: 30px;
      }
      
      .contact-info {
          flex: 1;
          min-width: 300px;
      }
      
      .contact-form {
          flex: 1;
          min-width: 300px;
          background: white;
          padding: 30px;
          border-radius: 5px;
          box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
      }
      
      .contact-info ul {
          list-style: none;
          margin-top: 20px;
      }
      
      .contact-info ul li {
          margin-bottom: 15px;
          display: flex;
          align-items: flex-start;
      }
      
      .contact-info ul li i {
          color: var(--accent-color);
          margin-right: 15px;
          margin-top: 5px;
      }
      
      .social-links {
          display: flex;
          gap: 15px;
          margin-top: 30px;
      }
      
      .social-links a {
          display: inline-flex;
          align-items: center;
          justify-content: center;
          width: 40px;
          height: 40px;
          border-radius: 50%;
          background: var(--light-blue);
          color: var(--primary-color);
          font-size: 1.2rem;
          transition: all 0.3s ease;
      }
      
      .social-links a:hover {
          background: var(--primary-color);
          color: white;
          transform: translateY(-3px);
      }
      
      .form-group {
          margin-bottom: 20px;
      }
      
      .form-group-group label {
          display: block;
          margin-bottom: 8px;
          font-weight: 600;
      }
      
      .form-group input,
      .form-group textarea {
          width: 100%;
          padding: 12px;
          border: 1px solid #ddd;
          border-radius: 5px;
          font-size: 1rem;
      }
      
      .form-group input:focus,
      .form-group textarea:focus {
          outline: none;
          border-color: var(--accent-color);
          box-shadow: 0 0 0 2px rgba(30, 136, 229, 0.2);
      }
      
      /* 页脚样式 */
      .footer {
          background: var(--primary-color);
          color: white;
          padding: 60px 0 20px;
      }
      
      .footer-content {
          display: flex;
          flex-wrap: wrap;
          gap: 30px;
          margin-bottom: 40px;
      }
      
      .footer-logo,
      .footer-links,
      .footer-contact {
          flex: 1;
          min-width: 250px;
      }
      
      .footer-logo h2 {
          color: white;
          margin-bottom: 15px;
      }
      
      .footer-logo h2::after {
          display: none;
      }
      
      .footer-logo p {
          color: rgba(255, 255, 255, 0.8);
      }
      
      .footer-links h3,
      .footer-contact h3 {
          color: white;
          margin-bottom: 20px;
          font-size: 1.2rem;
      }
      
      .footer-links ul {
          list-style: none;
      }
      
      .footer-links ul li {
          margin-bottom: 10px;
      }
      
      .footer-links ul li a {
          color: rgba(255, 255, 255, 0.8);
      }
      
      .footer-links ul li a:hover {
          color: white;
      }
      
      .footer-contact ul {
          list-style: none;
      }
      
      .footer-contact ul li {
          margin-bottom: 15px;
          display: flex;
          align-items: flex-start;
      }
      
      .footer-contact ul li i {
          margin-right: 15px;
          margin-top: 5px;
      }
      
      .footer-bottom {
          text-align: center;
          padding-top: 20px;
          border-top: 1px solid rgba(255, 255, 255, 0.1);
          color: rgba(255, 255, 255, 0.6);
      }
       /* 返回顶部按钮样式 */
              #back-to-top {
                  position: fixed;
                  bottom: 30px;
                  right: 30px;
                  background-color: #3498db;
                  color: white;
                  width: 50px;
                  height: 50px;
                  border-radius: 50%;
                  display: flex;
                  align-items: center;
                  justify-content: center;
                  cursor: pointer;
                  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
                  transition: all 0.3s ease;
                  opacity: 0;
                  visibility: hidden;
                  z-index: 1000;
                  border: none;
              }
              
              #back-to-top.show {
                  opacity: 1;
                  visibility: visible;
              }
              
              #back-to-top:hover {
                  background-color: #2980b9;
                  transform: translateY(-5px);
              }
      /* 响应式样式 */
      @media (max-width: 992px) {
          .hero-content h2 {
              font-size: 3rem;
          }
      }
      
      @media (max-width: 768px) {
          .nav-links {
              position: fixed;
              top: 70px;
              left: -100%;
              width: 100%;
              height: calc(100vh - 70px);
              background: white;
              display: flex;
              align-items: center;
              justify-content: center;
              transition: left 0.3s ease;
              z-index: 999;
          }
      
          .nav-links.active {
              left: 0;
          }
      
          .nav-links ul {
              flex-direction: column;
              text-align: center;
          }
      
          .nav-links ul li {
              margin: 15px 0;
          }
      
          .mobile-menu-btn {
              display: block;
          }
      
          .hero-content h2 {
              font-size: 2.5rem;
          }
      
          h2 {
              font-size: 2rem;
          }
      }
      
      @media (max-width: 576px) {
          .hero-content h2 {
              font-size: 2rem;
          }
      
          .hero-content p {
              font-size: 1rem;
          }
      
          h2 {
              font-size: 1.8rem;
          }
      
          .footer-content {
              flex-direction: column;
          }
      }
      
      /* 滚动动画 */
      .scroll-reveal {
          opacity: 0;
          transform: translateY(30px);
          transition: all 0.8s ease;
      }
      
      .scroll-reveal.active {
          opacity: 1;
          transform: translateY(0);
      }
      
      /* 表单提交成功消息 */
      .form-success {
          background: #d4edda;
          color: #155724;
          padding: 15px;
          border-radius: 5px;
          margin-top: 20px;
          display: none;
      }
      
      /* 返回顶部按钮 */
      .back-to-top {
          position: fixed;
          bottom: 30px;
          right: 30px;
          width: 50px;
          height: 50px;
          background: var(--primary-color);
          color: white;
          border-radius: 50%;
          display: flex;
          align-items: center;
          justify-content: center;
          font-size: 1.5rem;
          cursor: pointer;
          opacity: 0;
          visibility: hidden;
          transition: all 0.3s ease;
          z-index: 100;
      }
      
      .back-to-top.active {
          opacity: 1;
          visibility: visible;
      }