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

body {
    font-family: 'Noto Sans KR', sans-serif;
    background-color: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

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

header h1 {
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 1rem;
}

header p {
    font-size: 1.2rem;
    color: #7f8c8d;
}

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

.chatbot-card {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.chatbot-card:hover {
    transform: translateY(-5px);
}

.chatbot-image {
    width: 150px;
    height: 150px;
    margin-bottom: 1.5rem;
    border-radius: 50%;
    overflow: hidden;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.chatbot-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.chatbot-card h2 {
    color: #2c3e50;
    margin-bottom: 1rem;
}

.chatbot-card p {
    color: #7f8c8d;
    margin-bottom: 1.5rem;
}

button {
    background-color: #3498db;
    color: white;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.3s ease;
    margin-top: auto;
}

button:hover {
    background-color: #2980b9;
}

@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }
    
    .chatbot-grid {
        grid-template-columns: 1fr;
    }
    
    .chatbot-image {
        width: 120px;
        height: 120px;
    }
}