body {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
    background: #f7f7f7;
    color: #222;
}

.container {
    max-width: 400px;
    margin: 40px auto;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.07);
    padding: 24px 16px 16px 16px;
    text-align: center;
}

.logo {
    width: 120px;
    height: auto;
    margin-bottom: 16px;
    border-radius: 8px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}

h1 {
    font-size: 1.2rem;
    margin: 0 0 12px 0;
}

p {
    font-size: 1rem;
    margin: 0 0 20px 0;
}

footer {
    margin-top: 20px;
    color: #888;
    font-size: 0.9rem;
}

.about {
    background: #f0f6fa;
    border-radius: 10px;
    padding: 18px 12px 10px 12px;
    margin: 18px 0 0 0;
    text-align: left;
}
.about h2 {
    font-size: 1.05rem;
    margin: 0 0 10px 0;
    color: #1a5a7a;
}
.about p {
    margin: 0 0 10px 0;
    font-size: 0.98rem;
}
.features {
    padding-left: 18px;
    margin: 0 0 10px 0;
}
.features li {
    font-size: 0.97rem;
    margin-bottom: 4px;
    color: #2a3d4d;
}

@media (max-width: 500px) {
    .container {
        max-width: 98vw;
        padding: 12px 4px 8px 4px;
    }
    .logo {
        width: 80px;
    }
    h1 {
        font-size: 1rem;
    }
    p {
        font-size: 0.95rem;
    }
    .about {
        padding: 10px 4px 6px 4px;
    }
}