.seo-content {
    max-width: 960px;
    margin: 40px auto;
    padding: 0 18px;
    line-height: 1.8;
    font-size: 16px;
}

.seo-content h1,
.seo-content h2,
.seo-content h3 {
    line-height: 1.35;
    margin-top: 32px;
    margin-bottom: 14px;
}

.seo-content h1 {
    font-size: clamp(28px, 4vw, 42px);
}

.seo-content h2 {
    font-size: clamp(22px, 3vw, 30px);
    border-left: 4px solid hsl(223 97.5% 52.7%);
    padding-left: 14px;
}

.seo-content h3 {
    font-size: 20px;
}

.seo-content p {
    margin: 0 0 18px;
}

.seo-intro,
.seo-card,
.seo-faq details {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.seo-intro {
    padding: 22px;
    border-radius: 18px;
    margin-bottom: 28px;
}

.seo-highlight {
    padding: 18px 20px;
    border-radius: 16px;
    background: rgba(255, 193, 7, 0.12);
    border: 1px solid rgba(255, 193, 7, 0.25);
    margin: 24px 0;
}

.seo-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    margin: 24px 0;
}

.seo-card {
    padding: 18px;
    border-radius: 16px;
}

.seo-card h3 {
    margin-top: 0;
}

.seo-list {
    padding-left: 22px;
    margin-bottom: 22px;
}

.seo-list li {
    margin-bottom: 10px;
}

.seo-cta {
    padding: 22px;
    border-radius: 18px;
    text-align: center;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.22), rgba(255, 193, 7, 0.14));
    border: 1px solid rgba(255, 255, 255, 0.14);
    margin: 30px 0;
}

.seo-cta a {
    display: inline-block;
    margin-top: 10px;
    padding: 10px 18px;
    border-radius: 999px;
    text-decoration: none;
    font-weight: 700;
    background: hsl(223 97.5% 52.7%);
    color: #fff;
}

.seo-faq details {
    padding: 16px 18px;
    border-radius: 14px;
    margin-bottom: 12px;
}

.seo-faq summary {
    cursor: pointer;
    font-weight: 700;
}

.seo-faq p {
    margin-top: 12px;
    margin-bottom: 0;
}

@media (max-width: 768px) {
    .seo-grid {
        grid-template-columns: 1fr;
    }

    .seo-content {
        margin: 28px auto;
        font-size: 15px;
    }
}