body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #333;
    color: #fff;
}

.header {
    background-color: #333;
    color: #fff;
    padding: 10px 0;
    text-align: center;
}

.main-content {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    margin: 20px 0;
}

.logo {
    width: 80%;
    max-width: 1260px;
    height: auto;
}

.app-store-logo {
    width: 120px;
    height: auto;
}

.ai-introduction {
    text-align: center;
    max-width: 600px;
    margin: 20px auto;
}

.footer {
    background-color: #333;
    color: #fff;
    text-align: center;
    padding: 10px 0;
    position: fixed;
    bottom: 0;
    width: 100%;
}