* {
    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-color: #f8f9fa;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

header {
    padding: 40px 0 20px;
    text-align: center;
    border-bottom: 1px solid #e0e0e0;
}

header h1 {
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 10px;
}

main {
    flex: 1;
    padding: 40px 0;
}

.support-card {
    background: white;
    border-radius: 12px;
    padding: 40px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.support-card h2 {
    font-size: 2rem;
    color: #2c3e50;
    margin-bottom: 20px;
    text-align: center;
}

.support-card p {
    font-size: 1.1rem;
    color: #555;
    margin-bottom: 20px;
    text-align: center;
}

.contact-section {
    margin: 40px 0;
    text-align: center;
    padding: 30px;
    background-color: #f8f9fa;
    border-radius: 8px;
}

.contact-section h3 {
    font-size: 1.5rem;
    color: #2c3e50;
    margin-bottom: 15px;
}

.email-link {
    display: inline-block;
    font-size: 1.3rem;
    color: #007bff;
    text-decoration: none;
    padding: 12px 24px;
    margin-top: 10px;
    border: 2px solid #007bff;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.email-link:hover {
    background-color: #007bff;
    color: white;
}

.response-time {
    text-align: center;
    margin: 30px 0;
    font-style: italic;
    color: #666;
}

.common-topics {
    margin-top: 40px;
}

.common-topics h3 {
    font-size: 1.3rem;
    color: #2c3e50;
    margin-bottom: 15px;
}

.common-topics ul {
    list-style: none;
    padding-left: 0;
}

.common-topics li {
    padding: 8px 0;
    padding-left: 24px;
    position: relative;
    font-size: 1.05rem;
    color: #555;
}

.common-topics li:before {
    content: "•";
    position: absolute;
    left: 0;
    color: #007bff;
    font-size: 1.5rem;
    line-height: 1;
}

footer {
    text-align: center;
    padding: 20px 0;
    border-top: 1px solid #e0e0e0;
    color: #666;
    font-size: 0.9rem;
}

@media (max-width: 600px) {
    header h1 {
        font-size: 2rem;
    }
    
    .support-card {
        padding: 25px;
    }
    
    .support-card h2 {
        font-size: 1.5rem;
    }
    
    .email-link {
        font-size: 1.1rem;
        padding: 10px 20px;
    }
    
    .contact-section {
        padding: 20px;
    }
}