* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            background: linear-gradient(to bottom, #f8f9fa, #e9ecef);
            padding: 20px;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
        }
        
        header {
            text-align: center;
            padding: 30px 20px;
            background: linear-gradient(135deg, #2c3e50, #1a2530);
            color: white;
            border-radius: 10px 10px 0 0;
            margin-bottom: 30px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        
        h1 {
            font-size: 2.8rem;
            margin-bottom: 15px;
            font-weight: 700;
            letter-spacing: 1px;
        }
        
        .subtitle {
            font-size: 1.2rem;
            max-width: 800px;
            margin: 0 auto;
            color: #ccc;
            font-weight: 300;
        }
        
        .intro {
            background: white;
            padding: 30px;
            border-radius: 10px;
            margin-bottom: 40px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.08);
        }
        
        .intro p {
            font-size: 1.1rem;
            margin-bottom: 20px;
            color: #444;
        }
        
        .comparison-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 25px;
            margin-bottom: 40px;
        }
        
        .comparison-card {
            background: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 4px 15px rgba(0,0,0,0.08);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        
        .comparison-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 25px rgba(0,0,0,0.12);
        }
        
        .card-header {
            padding: 20px;
            background: #3498db;
            color: white;
            display: flex;
            align-items: center;
        }
        
        .pawl .card-header {
            background: linear-gradient(135deg, #e74c3c, #c0392b);
        }
        
        .ratchet .card-header {
            background: linear-gradient(135deg, #2ecc71, #27ae60);
        }
        
        .card-header i {
            font-size: 2rem;
            margin-right: 15px;
        }
        
        .card-header h2 {
            font-size: 1.6rem;
            font-weight: 600;
        }
        
        .card-content {
            padding: 25px;
        }
        
        .card-content h3 {
            color: #2c3e50;
            margin: 15px 0 10px;
            font-size: 1.3rem;
            border-bottom: 2px solid #eee;
            padding-bottom: 8px;
        }
        
        .card-content p {
            margin-bottom: 15px;
            color: #555;
        }
        
        .conclusion {
            background: white;
            padding: 25px;
            border-radius: 10px;
            margin-bottom: 40px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.08);
            border-left: 5px solid #3498db;
        }
        
        .conclusion h2 {
            color: #2c3e50;
            margin-bottom: 20px;
            font-size: 1.8rem;
        }
        
        .conclusion-content {
            display: flex;
            gap: 30px;
            flex-wrap: wrap;
        }
        
        .conclusion-box {
            flex: 1;
            min-width: 300px;
            padding: 20px;
            border-radius: 8px;
        }
        
        .conclusion-pawl {
            background: linear-gradient(to bottom right, #fff5f5, #ffebee);
            border: 1px solid #ffcdd2;
        }
        
        .conclusion-ratchet {
            background: linear-gradient(to bottom right, #f0fff4, #e8f5e9);
            border: 1px solid #c8e6c9;
        }
        
        .conclusion-box h3 {
            display: flex;
            align-items: center;
            margin-bottom: 15px;
            font-size: 1.4rem;
        }
        
        .conclusion-box h3 i {
            margin-right: 10px;
        }
        
        .conclusion-box ul {
            padding-left: 20px;
            margin-bottom: 15px;
        }
        
        .conclusion-box li {
            margin-bottom: 10px;
        }
        
        .final-thoughts {
            background: white;
            padding: 30px;
            border-radius: 10px;
            margin-bottom: 40px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.08);
            border-top: 4px solid #3498db;
        }
        
        .final-thoughts h2 {
            color: #2c3e50;
            margin-bottom: 20px;
            font-size: 1.8rem;
            text-align: center;
        }
        
        .final-thoughts p {
            margin-bottom: 15px;
            color: #444;
            font-size: 1.1rem;
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
        }
        
        .highlight {
            background: #f8f9fa;
            padding: 30px;
            border-radius: 10px;
            margin: 40px 0;
            border-left: 5px solid #e74c3c;
        }
        
        .highlight h2 {
            color: #2c3e50;
            margin-bottom: 20px;
            font-size: 1.8rem;
        }
        
        table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0;
            background: white;
            box-shadow: 0 4px 10px rgba(0,0,0,0.05);
        }
        
        th, td {
            padding: 15px;
            text-align: left;
            border-bottom: 1px solid #eee;
        }
        
        th {
            background: #3498db;
            color: white;
            font-weight: 600;
        }
        
        tr:nth-child(even) {
            background-color: #f8f9fa;
        }
        
        tr:hover {
            background-color: #e3f2fd;
        }
        
        .key-point {
            display: flex;
            align-items: flex-start;
            margin: 15px 0;
            padding: 15px;
            background: #f8f9fa;
            border-radius: 8px;
        }
        
        .key-point i {
            font-size: 1.5rem;
            color: #3498db;
            margin-right: 15px;
            min-width: 30px;
        }
        
        .key-point div {
            flex: 1;
        }
        
        .key-point h3 {
            color: #2c3e50;
            margin-bottom: 8px;
        }
        
        footer {
            text-align: center;
            padding: 30px;
            color: #777;
            font-size: 0.9rem;
            border-top: 1px solid #eee;
            margin-top: 40px;
        }
        
        @media (max-width: 768px) {
            .comparison-grid {
                grid-template-columns: 1fr;
            }
            
            h1 {
                font-size: 2.2rem;
            }
            
            .conclusion-content {
                flex-direction: column;
            }
        }