* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Microsoft YaHei', 'PingFang SC', Arial, sans-serif;
            line-height: 1.6;
            color: #333;
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            min-height: 100vh;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
        }
        
        .header {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 40px 0;
            text-align: center;
            border-radius: 20px;
            margin-bottom: 30px;
            box-shadow: 0 15px 35px rgba(102, 126, 234, 0.3);
        }
        
        .header h1 {
            font-size: 2.5em;
            margin-bottom: 15px;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
        }
        
        .header .subtitle {
            font-size: 1.2em;
            opacity: 0.9;
            margin-bottom: 20px;
        }
        
        .emergency-alert {
            background: linear-gradient(135deg, #ff6b6b 0%, #ee5a52 100%);
            color: white;
            padding: 25px;
            border-radius: 15px;
            margin: 30px 0;
            text-align: center;
            box-shadow: 0 10px 30px rgba(255, 107, 107, 0.4);
            animation: pulse 2s infinite;
        }
        
        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.02); }
            100% { transform: scale(1); }
        }
        
        .emergency-alert h2 {
            font-size: 1.8em;
            margin-bottom: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
        }
        
        .content-section {
            background: white;
            margin: 30px 0;
            padding: 35px;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            border-left: 5px solid #667eea;
        }
        
        .content-section h2 {
            color: #667eea;
            font-size: 1.8em;
            margin-bottom: 20px;
            border-bottom: 3px solid #f0f0f0;
            padding-bottom: 10px;
        }
        
        .content-section h3 {
            color: #764ba2;
            font-size: 1.4em;
            margin: 25px 0 15px 0;
        }
        
        .symptoms-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 20px;
            margin: 25px 0;
        }
        
        .symptom-card {
            background: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%);
            padding: 20px;
            border-radius: 12px;
            box-shadow: 0 5px 15px rgba(252, 182, 159, 0.3);
        }
        
        .symptom-card h4 {
            color: #d63031;
            font-size: 1.2em;
            margin-bottom: 10px;
        }
        
        .causes-table {
            width: 100%;
            border-collapse: collapse;
            margin: 25px 0;
            background: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        
        .causes-table th {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 15px;
            text-align: left;
        }
        
        .causes-table td {
            padding: 15px;
            border-bottom: 1px solid #f0f0f0;
        }
        
        .causes-table tr:nth-child(even) {
            background-color: #f8f9ff;
        }
        
        .causes-table tr:hover {
            background-color: #e8ebff;
            transition: background-color 0.3s ease;
        }
        
        .diagnosis-process {
            background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
            padding: 25px;
            border-radius: 15px;
            margin: 25px 0;
        }
        
        .diagnosis-step {
            display: flex;
            align-items: center;
            margin: 15px 0;
            padding: 15px;
            background: rgba(255,255,255,0.8);
            border-radius: 10px;
        }
        
        .step-number {
            background: #667eea;
            color: white;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            margin-right: 15px;
            flex-shrink: 0;
        }
        
        .faq-section {
            background: #f8f9ff;
            padding: 30px;
            border-radius: 15px;
            margin: 30px 0;
        }
        
        .faq-item {
            margin: 20px 0;
            border: 1px solid #e0e6ff;
            border-radius: 10px;
            overflow: hidden;
        }
        
        .faq-question {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 20px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: all 0.3s ease;
        }
        
        .faq-question:hover {
            background: linear-gradient(135deg, #5a67d8 0%, #6b46c1 100%);
        }
        
        .faq-answer {
            padding: 20px;
            background: white;
            display: none;
            border-top: 1px solid #e0e6ff;
        }
        
        .faq-item.active .faq-answer {
            display: block;
        }
        
        .faq-toggle {
            font-size: 1.5em;
            transition: transform 0.3s ease;
        }
        
        .faq-item.active .faq-toggle {
            transform: rotate(45deg);
        }
        
        .contact-section {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 40px;
            border-radius: 20px;
            text-align: center;
            margin: 40px 0;
        }
        
        .contact-info {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 25px;
            margin: 30px 0;
        }
        
        .contact-item {
            background: rgba(255,255,255,0.1);
            padding: 20px;
            border-radius: 12px;
            backdrop-filter: blur(10px);
        }
        
        .contact-item h4 {
            font-size: 1.2em;
            margin-bottom: 10px;
        }
        
        .whatsapp-btn {
            display: inline-block;
            background: #25D366;
            color: white;
            padding: 15px 30px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: bold;
            margin: 20px 10px;
            transition: all 0.3s ease;
            box-shadow: 0 5px 15px rgba(37, 211, 102, 0.4);
        }
        
        .whatsapp-btn:hover {
            background: #128C7E;
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(37, 211, 102, 0.6);
        }
        
        .call-btn {
            display: inline-block;
            background: #007bff;
            color: white;
            padding: 15px 30px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: bold;
            margin: 20px 10px;
            transition: all 0.3s ease;
            box-shadow: 0 5px 15px rgba(0, 123, 255, 0.4);
        }
        
        .call-btn:hover {
            background: #0056b3;
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(0, 123, 255, 0.6);
        }
        
        .highlight {
            background: linear-gradient(120deg, #84fab0 0%, #8fd3f4 100%);
            padding: 3px 8px;
            border-radius: 5px;
            font-weight: bold;
        }
        
        .warning {
            background: #fff3cd;
            border: 1px solid #ffeaa7;
            color: #856404;
            padding: 15px;
            border-radius: 8px;
            margin: 15px 0;
        }
        
        .list-style {
            list-style: none;
            padding: 0;
        }
        
        .list-style li {
            padding: 10px 0;
            border-bottom: 1px solid #f0f0f0;
            position: relative;
            padding-left: 25px;
        }
        
        .list-style li:before {
            content: "✓";
            position: absolute;
            left: 0;
            color: #667eea;
            font-weight: bold;
        }
        
        @media (max-width: 768px) {
            .container {
                padding: 10px;
            }
            
            .header h1 {
                font-size: 2em;
            }
            
            .content-section {
                padding: 20px;
            }
            
            .contact-info {
                grid-template-columns: 1fr;
            }
            
            .causes-table {
                font-size: 0.9em;
            }
            
            .causes-table th,
            .causes-table td {
                padding: 10px 8px;
            }
        }