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

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
            line-height: 1.6;
            color: #333;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
        }

        .header {
            text-align: center;
            margin-bottom: 3rem;
            color: white;
        }

        .header h1 {
            font-size: 3rem;
            margin-bottom: 1rem;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
        }

        .header p {
            font-size: 1.2rem;
            opacity: 0.9;
            max-width: 600px;
            margin: 0 auto;
        }

        .main-content {
            background: white;
            border-radius: 20px;
            padding: 3rem;
            box-shadow: 0 20px 60px rgba(0,0,0,0.1);
            margin-bottom: 2rem;
        }

        .framework-section {
            background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
            color: #333;
            padding: 2rem;
            border-radius: 15px;
            margin-bottom: 3rem;
        }

        .framework-title {
            font-size: 2.5rem;
            text-align: center;
            margin-bottom: 2rem;
            color: #2c3e50;
        }

        .framework-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 1.5rem;
            margin-top: 2rem;
        }

        .framework-item {
            background: rgba(255,255,255,0.8);
            padding: 1.5rem;
            border-radius: 10px;
            border-left: 4px solid #f39c12;
        }

        .framework-letter {
            font-size: 2rem;
            font-weight: bold;
            margin-bottom: 0.5rem;
            color: #f39c12;
        }

        .framework-word {
            font-size: 1.3rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
            color: #2c3e50;
        }

        .section {
            margin-bottom: 3rem;
        }

        .section h2 {
            color: #2c3e50;
            font-size: 2rem;
            margin-bottom: 1.5rem;
            border-bottom: 3px solid #f39c12;
            padding-bottom: 0.5rem;
        }

        .examples-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
            gap: 2rem;
            margin-top: 2rem;
        }

        .example-card {
            background: #f8f9fa;
            border: 1px solid #dee2e6;
            padding: 1.5rem;
            border-radius: 10px;
            border-left: 4px solid #f39c12;
        }

        .example-header {
            background: #f39c12;
            color: white;
            padding: 1rem;
            margin: -1.5rem -1.5rem 1.5rem -1.5rem;
            border-radius: 10px 10px 0 0;
            font-weight: bold;
        }

        .example-scenario {
            background: #e9ecef;
            padding: 1rem;
            border-radius: 5px;
            margin-bottom: 1rem;
            font-style: italic;
            border-left: 3px solid #f39c12;
        }

        .example-analysis {
            background: #d4edda;
            padding: 1rem;
            border-radius: 5px;
            margin-top: 1rem;
            border-left: 3px solid #28a745;
        }

        .example-strategy {
            background: #fff3cd;
            padding: 1rem;
            border-radius: 5px;
            margin-top: 1rem;
            border-left: 3px solid #ffc107;
        }

        .dimensions-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 1.5rem;
            margin-top: 2rem;
        }

        .dimension-card {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 1.5rem;
            border-radius: 10px;
            text-align: center;
        }

        .dimension-icon {
            font-size: 2.5rem;
            margin-bottom: 1rem;
        }

        .dimension-title {
            font-size: 1.2rem;
            font-weight: bold;
            margin-bottom: 1rem;
        }

        .dimension-points {
            list-style: none;
            padding: 0;
            text-align: left;
        }

        .dimension-points li {
            padding: 0.3rem 0;
            position: relative;
            padding-left: 1.5rem;
        }

        .dimension-points li::before {
            content: "→";
            position: absolute;
            left: 0;
            color: #fff;
            font-weight: bold;
        }

        .methods-section {
            background: #f8f9fa;
            padding: 2rem;
            border-radius: 10px;
            margin-top: 2rem;
        }

        .method-item {
            background: white;
            padding: 1.5rem;
            margin-bottom: 1.5rem;
            border-radius: 8px;
            border-left: 4px solid #17a2b8;
        }

        .method-title {
            font-weight: bold;
            color: #2c3e50;
            margin-bottom: 1rem;
        }

        .method-description {
            margin-bottom: 1rem;
        }

        .method-example {
            background: #e8f5e8;
            padding: 1rem;
            border-radius: 5px;
            border-left: 3px solid #28a745;
        }

        .personas-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 2rem;
            margin-top: 2rem;
        }

        .persona-card {
            background: #fff3cd;
            border: 1px solid #ffeaa7;
            padding: 1.5rem;
            border-radius: 8px;
        }

        .persona-header {
            display: flex;
            align-items: center;
            margin-bottom: 1rem;
        }

        .persona-avatar {
            font-size: 2rem;
            margin-right: 1rem;
        }

        .persona-name {
            font-weight: bold;
            color: #856404;
            font-size: 1.2rem;
        }

        .persona-details {
            background: white;
            padding: 1rem;
            border-radius: 5px;
            margin-top: 1rem;
        }

        .checklist {
            background: #e8f5e8;
            padding: 2rem;
            border-radius: 10px;
            margin-top: 2rem;
        }

        .checklist-item {
            display: flex;
            align-items: center;
            margin-bottom: 1rem;
            padding: 0.5rem;
            background: white;
            border-radius: 5px;
        }

        .checklist-item::before {
            content: "✓";
            color: #28a745;
            font-weight: bold;
            margin-right: 1rem;
            font-size: 1.2rem;
        }

        .tips-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin-top: 2rem;
        }

        .tip-card {
            background: #d1ecf1;
            border: 1px solid #bee5eb;
            padding: 1.5rem;
            border-radius: 8px;
        }

        .tip-title {
            font-weight: bold;
            color: #0c5460;
            margin-bottom: 0.5rem;
        }

        .warning-box {
            background: #f8d7da;
            border: 1px solid #f5c6cb;
            color: #721c24;
            padding: 1.5rem;
            border-radius: 8px;
            margin-top: 2rem;
        }

        .ai-hint {
            background: #d4edda;
            border: 1px solid #c3e6cb;
            color: #155724;
            padding: 1.5rem;
            border-radius: 8px;
            margin-top: 2rem;
        }

        .cta-section {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 3rem;
            border-radius: 15px;
            text-align: center;
            margin-top: 3rem;
        }

        .cta-button {
            display: inline-block;
            background: white;
            color: #667eea;
            padding: 1rem 2rem;
            border-radius: 50px;
            text-decoration: none;
            font-weight: bold;
            margin-top: 1rem;
            transition: transform 0.3s ease;
        }

        .cta-button:hover {
            transform: translateY(-2px);
        }

        @media (max-width: 768px) {
            .header h1 {
                font-size: 2rem;
            }
            
            .main-content {
                padding: 1.5rem;
            }
            
            .framework-grid,
            .examples-grid,
            .dimensions-grid {
                grid-template-columns: 1fr;
            }
        }