.seo-block {
    max-width: 960px;
    margin: 40px auto;
    padding: 24px;
    background: #f9f9f9;
    border-radius: 12px;
    font-family: 'Segoe UI', sans-serif;
    color: #333;
    line-height: 1.7;
}

.seo-block h1,
.seo-block h2 {
    color: #222;
    margin-bottom: 16px;
}

.seo-block h1 {
    font-size: 28px;
    text-align: center;
}

.seo-block h2 {
    font-size: 22px;
    margin-top: 32px;
}

.seo-block p {
    margin-bottom: 16px;
    font-size: 16px;
}

.seo-block ul {
    padding-left: 20px;
    margin-bottom: 16px;
}

.seo-block ul li {
    margin-bottom: 8px;
    list-style: disc;
}

@media (max-width: 600px) {
    .seo-block {
        padding: 16px;
    }

    .seo-block h1 {
        font-size: 22px;
    }

    .seo-block h2 {
        font-size: 18px;
    }

    .seo-block p,
    .seo-block ul li {
        font-size: 15px;
    }
}