* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Microsoft JhengHei', 'PingFang HK', 'Helvetica Neue', Arial, sans-serif;
            line-height: 1.8;
            color: #333;
            background-color: #f9f9f9;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
            background-color: #fff;
        }
        
        header {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 40px 20px;
            text-align: center;
            border-radius: 10px;
            margin-bottom: 30px;
            box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        }
        
        h1 {
            font-size: 2.5em;
            margin-bottom: 15px;
            font-weight: bold;
            line-height: 1.3;
        }
        
        .subtitle {
            font-size: 1.2em;
            opacity: 0.95;
            margin-top: 10px;
        }
        
        h2 {
            color: #667eea;
            font-size: 2em;
            margin: 35px 0 20px;
            padding-bottom: 10px;
            border-bottom: 3px solid #667eea;
        }
        
        h3 {
            color: #764ba2;
            font-size: 1.6em;
            margin: 28px 0 15px;
            padding-left: 15px;
            border-left: 4px solid #764ba2;
        }
        
        h4 {
            color: #555;
            font-size: 1.3em;
            margin: 22px 0 12px;
            font-weight: 600;
        }
        
        h5 {
            color: #666;
            font-size: 1.1em;
            margin: 18px 0 10px;
            font-weight: 600;
        }
        
        h6 {
            color: #777;
            font-size: 1em;
            margin: 15px 0 8px;
            font-weight: 600;
        }
        
        p {
            margin-bottom: 18px;
            font-size: 1.05em;
            text-align: justify;
        }
        
        .warning-box {
            background-color: #fff3cd;
            border-left: 5px solid #ffc107;
            padding: 20px;
            margin: 25px 0;
            border-radius: 5px;
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
        }
        
        .emergency-box {
            background-color: #f8d7da;
            border-left: 5px solid #dc3545;
            padding: 20px;
            margin: 25px 0;
            border-radius: 5px;
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
        }
        
        .info-box {
            background-color: #d1ecf1;
            border-left: 5px solid #17a2b8;
            padding: 20px;
            margin: 25px 0;
            border-radius: 5px;
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
        }
        
        .success-box {
            background-color: #d4edda;
            border-left: 5px solid #28a745;
            padding: 20px;
            margin: 25px 0;
            border-radius: 5px;
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
        }
        
        ul, ol {
            margin: 20px 0;
            padding-left: 30px;
        }
        
        li {
            margin-bottom: 12px;
            font-size: 1.05em;
            line-height: 1.7;
        }
        
        .symptom-list {
            background-color: #f8f9fa;
            padding: 20px;
            border-radius: 8px;
            margin: 20px 0;
        }
        
        .cta-section {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 40px;
            text-align: center;
            border-radius: 10px;
            margin: 40px 0;
            box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        }
        
        .cta-button {
            display: inline-block;
            background-color: #fff;
            color: #667eea;
            padding: 15px 40px;
            text-decoration: none;
            border-radius: 50px;
            font-weight: bold;
            font-size: 1.2em;
            margin-top: 20px;
            transition: all 0.3s;
            box-shadow: 0 4px 6px rgba(0,0,0,0.2);
        }
        
        .cta-button:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 8px rgba(0,0,0,0.3);
        }
        
        table {
            width: 100%;
            border-collapse: collapse;
            margin: 25px 0;
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
        }
        
        th {
            background-color: #667eea;
            color: white;
            padding: 15px;
            text-align: left;
            font-weight: bold;
        }
        
        td {
            padding: 12px 15px;
            border-bottom: 1px solid #ddd;
        }
        
        tr:hover {
            background-color: #f5f5f5;
        }
        
        .highlight {
            background-color: #fff3cd;
            padding: 2px 6px;
            border-radius: 3px;
            font-weight: 600;
        }
        
        strong {
            color: #667eea;
            font-weight: 700;
        }
        
        @media (max-width: 768px) {
            .container {
                padding: 10px;
            }
            
            h1 {
                font-size: 1.8em;
            }
            
            h2 {
                font-size: 1.5em;
            }
            
            h3 {
                font-size: 1.3em;
            }
            
            header {
                padding: 25px 15px;
            }
            
            .cta-section {
                padding: 25px 15px;
            }
            
            table {
                font-size: 0.9em;
            }
        }