  /* 页面标题区域 */
        .page-header {
            background: linear-gradient(135deg, #e0e7ff 0%, #dbeafe 100%);
            padding: 100px 0 50px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        
        .page-header::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -50%;
            width: 800px;
            height: 800px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(67, 97, 238, 0.1) 0%, rgba(67, 97, 238, 0) 70%);
        }
        
        .page-header h1 {
            font-size: 2.8rem;
            margin-bottom: 15px;
            color: var(--dark);
            position: relative;
            z-index: 2;
        }
        
        .page-header p {
            font-size: 1.2rem;
            max-width: 700px;
            margin: 0 auto;
            color: var(--gray);
            position: relative;
            z-index: 2;
        }
        
        /* 关于我们内容 */
        .about-section {
            padding: 80px 0;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 60px;
        }
        
        .section-title h2 {
            font-size: 2.5rem;
            color: var(--dark);
            margin-bottom: 15px;
            position: relative;
            display: inline-block;
        }
        
        .section-title h2::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 70px;
            height: 4px;
            background: var(--accent);
            border-radius: 2px;
        }
        
        .section-title p {
            font-size: 1.1rem;
            color: var(--gray);
            margin-top: 25px;
        }
        
        /* 公司介绍 */
        .company-intro {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
            margin-bottom: 80px;
        }
        
        .company-image {
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--card-shadow);
            position: relative;
        }
        
        .company-image::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--gradient-primary);
            opacity: 0.05;
        }
        
        .company-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }
        
        .company-content h3 {
            font-size: 1.8rem;
            margin-bottom: 20px;
            color: var(--dark);
        }
        
        .company-content p {
            margin-bottom: 20px;
            line-height: 1.8;
            color: var(--gray);
        }
        
        .stats-container {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 40px;
        }
        
        .stat-item {
            text-align: center;
            padding: 20px;
            background: white;
            border-radius: 12px;
            box-shadow: var(--card-shadow);
        }
        
        .stat-value {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 5px;
        }
        
        .stat-label {
            font-size: 1rem;
            color: var(--gray);
        }
        
        /* 我们的使命 */
        .mission-section {
            background: linear-gradient(135deg, #f0f7ff 0%, #e6f2ff 100%);
            padding: 80px 0;
            border-radius: 20px;
            margin: 80px 0;
        }
        
        .mission-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        
        .mission-card {
            background: white;
            border-radius: 16px;
            padding: 40px 30px;
            box-shadow: var(--card-shadow);
            transition: var(--transition);
            text-align: center;
        }
        
        .mission-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.12);
        }
        
        .mission-icon {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: rgba(76, 201, 240, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 25px;
            font-size: 2rem;
            color: var(--accent);
            transition: var(--transition);
        }
        
        .mission-card:hover .mission-icon {
            background: var(--accent);
            color: white;
            transform: rotate(15deg) scale(1.1);
        }
        
        .mission-title {
            font-size: 1.4rem;
            margin-bottom: 15px;
            color: var(--dark);
        }
        
        .mission-desc {
            color: var(--gray);
            line-height: 1.7;
        }
        
        /* 团队展示 */
        .team-section {
            margin-bottom: 80px;
        }
        
        .team-grid {
            width: 100%;
    max-width: 1380px;
    margin: 0 auto;
    padding: 0 20px;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 30px;
        }
        
        .team-card {
            background: white;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--card-shadow);
            transition: var(--transition);
        }
        
        .team-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.1);
        }
        
        .team-header {
            position: relative;
        }
        
        .team-image {
            height: 250px;
            overflow: hidden;
        }
        
        .team-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        
        .team-card:hover .team-image img {
            transform: scale(1.05);
        }
        
        .team-social {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: rgba(67, 97, 238, 0.8);
            display: flex;
            justify-content: center;
            padding: 15px;
            transform: translateY(100%);
            transition: var(--transition);
        }
        
        .team-card:hover .team-social {
            transform: translateY(0);
        }
        
        .team-social a {
            color: white;
            margin: 0 10px;
            font-size: 1.2rem;
            transition: var(--transition);
        }
        
        .team-social a:hover {
            color: var(--accent);
            transform: translateY(-3px);
        }
        
        .team-body {
            padding: 25px;
            text-align: center;
        }
        
        .team-name {
            font-size: 1.3rem;
            margin-bottom: 5px;
            color: var(--dark);
        }
        
        .team-position {
            color: var(--primary);
            margin-bottom: 15px;
            font-weight: 500;
        }
        
        .team-desc {
            color: var(--gray);
            font-size: 0.95rem;
        }
        
       
       
        
    
          /* 响应式设计 */
        @media (max-width: 991px) {
            .company-intro {
                grid-template-columns: 1fr;
            }
            
            .stats-container {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .timeline::before {
                left: 30px;
            }
            
            .timeline-item:nth-child(odd) .timeline-content,
            .timeline-item:nth-child(even) .timeline-content {
                width: calc(100% - 90px);
                left: auto;
                margin-left: 80px;
            }
            
            .timeline-item:nth-child(odd) .timeline-icon,
            .timeline-item:nth-child(even) .timeline-icon {
                left: -85px;
            }
        }
        
        @media (max-width: 768px) {
            .mobile-menu-btn {
                display: block;
            }
            
            .nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: var(--primary);
                flex-direction: column;
                padding: 20px;
                box-shadow: 0 10px 15px rgba(0,0,0,0.1);
                z-index: 100;
            }
            
            .nav-links.active {
                display: flex;
            }
            
            .nav-links li {
                margin: 10px 0;
                width: 100%;
                margin-left: 0;
            }
            
            .nav-links a {
                display: block;
                padding: 12px 0;
                text-align: center;
                width: 100%;
            }
            
            .page-header h1 {
                font-size: 2.2rem;
            }
            
            .nav-buttons {
                display: none;
            }
            
            .stats-container {
                grid-template-columns: 1fr;
            }
        }
        
        @media (max-width: 576px) {
            .page-header {
                padding: 80px 0 40px;
            }
            
            .page-header h1 {
                font-size: 1.8rem;
            }
            
            .page-header p {
                font-size: 1rem;
            }
            
            .section-title h2 {
                font-size: 2rem;
            }
            
            .mission-grid {
                grid-template-columns: 1fr;
            }
            
            .team-grid {
                grid-template-columns: 1fr;
            }
        }