:root {
            --primary-color: #2c3e50;
            --secondary-color: #e67e22;
            --light-bg: #f9f9f9;
            --dark-text: #333;
            --transition: all 0.3s ease;
        }

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

        body {
            font-family: 'Segoe UI', '微软雅黑', sans-serif;
            line-height: 1.8;
            color: var(--dark-text);
        }

        /* 增强导航样式 */
        .header {
            background: rgba(255, 255, 255, 0.95);
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            position: fixed;
            width: 100%;
            z-index: 1000;
        }

        .nav-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0.5rem ;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            width: 70px;
            height: 70px;
            border-radius: 50%;

        }

        .nav-menu {
            display: flex;
            gap: 2rem;
            list-style: none;
        }

        .nav-menu a {
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 500;
            transition: var(--transition);
            position: relative;
        }

        .nav-menu a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--secondary-color);
            transition: var(--transition);
        }

        .nav-menu a:hover::after {
            width: 100%;
        }

        /* 增强首页大图 */
        .hero {
            /* height: 100vh; */
            height: 500px;
            /*background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)),*/
            /*      url('static/images/shouye3.png') center/cover;*/
            background: linear-gradient(rgba(128,128,128,0.8), rgba(128,128,128,0.6));
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            color: white;
            padding-top: 80px;
        }

        .hero-content {
            max-width: 800px;
            padding: 2rem;
        }

        .hero h1 {
            font-size: 3.5rem;
            margin-bottom: 1.5rem;
            letter-spacing: 2px;
        }

        /* 服务项目增强 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            padding: 2rem;
            max-width: 1500px;
            margin: 0 auto;
        }

        .service-card {
            background: white;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            transition: transform 0.3s ease;
        }

        .service-card:hover {
            transform: translateY(-10px);
        }

        .service-icon {
            font-size: 2.5rem;
            color: var(--secondary-color);
            margin-bottom: 1rem;
        }

        .portfolio-case {
          display: flex;
          gap: 3rem;
          align-items: flex-start;
          max-width: 1200px;
          margin: 2rem auto;
          padding: 0 1rem;
        }

        .portfolio-item {
            flex: 0 0 400px;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        }

        .portfolio-text {
            flex: 1;
            padding: 1rem;
        }

      .portfolio-item img {
          width: 100%;
          height: 400px;
          object-fit: cover;
          transition: transform 0.3s ease;
      }

      .portfolio-item:hover img {
            transform: scale(1.1);
        }

      @media (max-width: 768px) {
          .portfolio-case {
              flex-direction: column;
          }
          
          .portfolio-item {
              flex: none;
              width: 100%;
              max-width: 500px;
              margin: 0 auto;
          }
      }

        /* 团队介绍 */
        .team-section {
            background: var(--light-bg);
            padding: 4rem 2rem;
        }

        .team-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            max-width: 1200px;
            margin: 0 auto;
        }

        .team-member {
            text-align: center;
            background: white;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: 0 3px 10px rgba(0,0,0,0.1);
        }

        .member-text {
            width: 300px;
            height: 300px;
            margin: 0 auto 1rem;
            overflow: hidden;
            float: left;
        }
        .member-photo {
            /* width: 488px;         11111111111
            height: 330px; */
            width: 700px;
            
            border-radius: 10%;
            margin: 0 auto 1rem;
            overflow: hidden;
            float: right;


            flex: 0 0 400px;
            border-radius: 20px;
            /* height: 430px; */
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        }

        /* 联系表单 */
        .contact-form {
            max-width: 600px;
            margin: 2rem auto;
            padding: 2rem;
            background: white;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }

        .form-group {
            margin-bottom: 1.5rem;
        }

        input, textarea {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid #ddd;
            border-radius: 4px;
            font-size: 1rem;
        }

        /* 响应式设计 */
        @media (max-width: 768px) {
            .portfolio {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .nav-menu {
                display: none;
            }
            
            .hero h1 {
                font-size: 2.5rem;
            }
        }