@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700;800&display=swap');
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Inter', sans-serif;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: #333;
            line-height: 1.6;
            padding: 20px;
        }
        
        .infographic {
            max-width: 1200px;
            margin: 0 auto;
            background: white;
            border-radius: 20px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
            overflow: hidden;
        }
        
        .header {
            background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
            color: white;
            padding: 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        
        .header::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 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
            opacity: 0.3;
        }
        
        .header h1 {
            font-size: 3.5em;
            font-weight: 800;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }
        
        .header .subtitle {
            font-size: 1.3em;
            font-weight: 300;
            opacity: 0.9;
            position: relative;
            z-index: 1;
        }
        
        .content {
            padding: 50px 40px;
        }
        
        .section {
            margin-bottom: 50px;
        }
        
        .section-title {
            font-size: 2.2em;
            font-weight: 700;
            color: #2c3e50;
            margin-bottom: 25px;
            position: relative;
            padding-bottom: 10px;
        }
        
        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 60px;
            height: 4px;
            background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
            border-radius: 2px;
        }
        
        .definition-box {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 30px;
            border-radius: 15px;
            margin-bottom: 30px;
            position: relative;
            overflow: hidden;
        }
        
        .definition-box::before {
            content: '?';
            position: absolute;
            top: -20px;
            right: -20px;
            font-size: 8em;
            opacity: 0.1;
            font-weight: 900;
        }
        
        .definition-box h3 {
            font-size: 1.8em;
            margin-bottom: 15px;
            font-weight: 600;
        }
        
        .definition-box p {
            font-size: 1.1em;
            line-height: 1.7;
        }
        
        .benefits-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 25px;
            margin: 30px 0;
        }
        
        .benefit-card {
            background: #f8f9fa;
            padding: 25px;
            border-radius: 12px;
            border-left: 5px solid #4facfe;
            transition: transform 0.2s ease;
        }
        
        .benefit-card:hover {
            transform: translateY(-5px);
        }
        
        .benefit-card h4 {
            color: #2c3e50;
            font-size: 1.3em;
            margin-bottom: 10px;
            font-weight: 600;
        }
        
        .benefit-card p {
            color: #555;
            font-size: 1em;
        }
        
        .process-steps {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin: 40px 0;
        }
        
        .step {
            background: white;
            border: 2px solid #e9ecef;
            border-radius: 15px;
            padding: 25px;
            text-align: center;
            position: relative;
            transition: all 0.3s ease;
        }
        
        .step:hover {
            border-color: #4facfe;
            box-shadow: 0 10px 30px rgba(79, 172, 254, 0.2);
        }
        
        .step-number {
            background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
            color: white;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.2em;
            margin: 0 auto 15px;
        }
        
        .step h4 {
            color: #2c3e50;
            font-size: 1.2em;
            margin-bottom: 10px;
            font-weight: 600;
        }
        
        .step p {
            color: #666;
            font-size: 0.95em;
        }
        
        .instructional-table {
            background: white;
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
            margin: 30px 0;
        }
        
        .table-header {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 20px;
            text-align: center;
        }
        
        .table-header h3 {
            font-size: 1.6em;
            font-weight: 600;
        }
        
        .table-content {
            overflow-x: auto;
        }
        
        table {
            width: 100%;
            border-collapse: collapse;
        }
        
        th, td {
            padding: 15px;
            text-align: left;
            border-bottom: 1px solid #eee;
        }
        
        th {
            background: #f8f9fa;
            font-weight: 600;
            color: #2c3e50;
        }
        
        .teacher-cell {
            background: rgba(231, 76, 60, 0.1);
            color: #c0392b;
            font-weight: 600;
        }
        
        .collaborative-cell {
            background: rgba(241, 196, 15, 0.1);
            color: #d68910;
            font-weight: 600;
        }
        
        .student-cell {
            background: rgba(39, 174, 96, 0.1);
            color: #27ae60;
            font-weight: 600;
        }
        
        .tips-section {
            background: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%);
            padding: 30px;
            border-radius: 15px;
            margin: 40px 0;
        }
        
        .tips-section h3 {
            color: #d35400;
            font-size: 1.8em;
            margin-bottom: 20px;
            font-weight: 600;
        }
        
        .tips-list {
            list-style: none;
            padding: 0;
        }
        
        .tips-list li {
            background: rgba(255, 255, 255, 0.3);
            padding: 15px;
            margin-bottom: 10px;
            border-radius: 8px;
            position: relative;
            padding-left: 45px;
        }
        
        .tips-list li::before {
            content: '💡';
            position: absolute;
            left: 15px;
            top: 15px;
            font-size: 1.2em;
        }
        
        .footer {
            background: #2c3e50;
            color: white;
            padding: 30px;
            text-align: center;
        }
        
        .footer h3 {
            margin-bottom: 10px;
            font-size: 1.4em;
        }
        
        .footer p {
            opacity: 0.8;
            font-size: 0.9em;
        }
        
        @media print {
            body {
                background: white;
                padding: 0;
            }
            
            .infographic {
                box-shadow: none;
                border-radius: 0;
            }
            
            .benefit-card:hover,
            .step:hover {
                transform: none;
            }
        }
        
        @media (max-width: 768px) {
            .header h1 {
                font-size: 2.5em;
            }
            
            .content {
                padding: 30px 20px;
            }
            
            .section-title {
                font-size: 1.8em;
            }
            
            .benefits-grid,
            .process-steps {
                grid-template-columns: 1fr;
            }
        }