:root {
            --primary-blue: #1a73e8;
            --dark-blue: #0d47a1;
            --light-blue: #e8f0fe;
            --industry-orange: #ff6b35;
            --education-green: #28a745;
        }
        
        body {
            font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
            line-height: 1.6;
        }
        
        .navbar {
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }
        
        .navbar-brand {
            font-weight: bold;
            color: var(--primary-blue) !important;
            font-size: 1.5rem;
        }
        
        .hero-section {
            background: linear-gradient(135deg, var(--primary-blue), var(--dark-blue));
            color: white;
            padding: 120px 0 80px;
            position: relative;
            overflow: hidden;
        }
        
        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><polygon fill="rgba(255,255,255,0.05)" points="0,1000 1000,0 1000,1000"/></svg>');
        }
        
        .service-card {
            border: none;
            border-radius: 15px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            transition: all 0.3s ease;
            height: 100%;
            border-left: 4px solid var(--primary-blue);
        }
        
        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.15);
        }
        
        .industry-card {
            border-left-color: var(--industry-orange);
        }
        
        .education-card {
            border-left-color: var(--education-green);
        }
        
        .product-card {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            border-radius: 15px;
            padding: 30px;
            height: 100%;
            position: relative;
            overflow: hidden;
        }
        
        .product-card::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -50%;
            width: 100%;
            height: 100%;
            background: rgba(255,255,255,0.1);
            transform: rotate(30deg);
        }
        
        .bg-light-blue {
            background-color: var(--light-blue);
        }
        
        .btn-primary {
            background: linear-gradient(135deg, var(--primary-blue), var(--dark-blue));
            border: none;
            border-radius: 25px;
            padding: 12px 30px;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(26, 115, 232, 0.4);
        }
        
        .icon-wrapper {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 2rem;
        }
        
        .industry-icon {
            background: linear-gradient(135deg, #ff6b35, #ff8e53);
            color: white;
        }
        
        .education-icon {
            background: linear-gradient(135deg, #28a745, #5cb85c);
            color: white;
        }
        
        .software-icon {
            background: linear-gradient(135deg, #1a73e8, #4a90e2);
            color: white;
        }
        
        .section-title {
            position: relative;
            padding-bottom: 15px;
            margin-bottom: 40px;
        }
        
        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 3px;
            background: linear-gradient(135deg, var(--primary-blue), var(--dark-blue));
            border-radius: 2px;
        }
        
        .feature-list li {
            padding: 8px 0;
            border-bottom: 1px solid #eee;
        }
        
        .feature-list li:last-child {
            border-bottom: none;
        }
        
        footer {
            background: linear-gradient(135deg, #2c3e50, #34495e);
            color: white;
        }
        
        .nav-link {
            color: #333 !important;
            font-weight: 500;
            transition: color 0.3s ease;
        }
        
        .solutions-icon-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    text-align: center;
}

.solutions-icon-grid i {
    font-size: 3rem;
}

.solution-card {
    background-color: #fff;
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
    height: 100%;
}

.solution-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

.nav-link:hover {
            color: var(--primary-blue) !important;
        }