.seo-main {
    padding-top: 132px;
}

.seo-container {
    width: min(1120px, calc(100% - 40px));
    margin: 0 auto;
}

.seo-hero {
    margin-bottom: 24px;
}

.seo-hero-inner {
    background: radial-gradient(circle at top right, rgba(255, 90, 95, 0.16), rgba(255, 255, 255, 0.96) 52%), linear-gradient(160deg, #ffffff, #f8fafc);
    border: 1px solid #e2e8f0;
    border-radius: 26px;
    padding: 38px;
    box-shadow: 0 20px 45px rgba(15, 23, 42, 0.08);
}

.seo-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--primary-dark);
    font-weight: 800;
    margin-bottom: 12px;
}

.seo-hero h1 {
    font-size: clamp(1.9rem, 4vw, 2.7rem);
    line-height: 1.2;
    margin-bottom: 12px;
    color: var(--secondary);
}

.seo-lead {
    color: #475569;
    font-size: 1.05rem;
    max-width: 860px;
    line-height: 1.72;
}

.seo-chip-row {
    margin-top: 14px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.seo-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border-radius: 999px;
    border: 1px solid #e2e8f0;
    background: #ffffff;
    color: #334155;
    font-weight: 600;
    font-size: 0.82rem;
    padding: 8px 14px;
}

.seo-chip i {
    color: var(--primary);
}

.seo-hero-actions {
    margin-top: 22px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.seo-grid {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 20px;
}

.seo-card {
    grid-column: span 12;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 20px;
    padding: 26px;
    box-shadow: 0 16px 30px rgba(15, 23, 42, 0.06);
}

.seo-card h2 {
    font-size: 1.35rem;
    color: var(--secondary);
    margin-bottom: 12px;
}

.seo-card p {
    color: #334155;
    line-height: 1.74;
    margin-bottom: 12px;
}

.seo-card p:last-child {
    margin-bottom: 0;
}

.seo-list,
.seo-ordered-list {
    margin: 0;
    padding-left: 18px;
    color: #334155;
    line-height: 1.75;
}

.seo-list li,
.seo-ordered-list li {
    margin-bottom: 8px;
}

.seo-note {
    margin-top: 10px;
    padding: 12px 14px;
    border-radius: 12px;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    color: #334155;
    font-size: 0.92rem;
}

.seo-table-wrap {
    overflow-x: auto;
}

.seo-table {
    width: 100%;
    border-collapse: collapse;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid #e2e8f0;
}

.seo-table th,
.seo-table td {
    text-align: left;
    padding: 12px;
    border-bottom: 1px solid #e2e8f0;
    font-size: 0.92rem;
}

.seo-table th {
    background: #f8fafc;
    color: #1e293b;
    font-weight: 700;
}

.seo-table tr:last-child td {
    border-bottom: none;
}

.seo-faq {
    display: grid;
    gap: 10px;
}

.seo-faq-item {
    border: 1px solid #e2e8f0;
    border-radius: 14px;
    background: #ffffff;
    overflow: hidden;
}

.seo-faq-item summary {
    cursor: pointer;
    list-style: none;
    font-weight: 700;
    color: #1f2937;
    padding: 16px 18px;
}

.seo-faq-item summary::-webkit-details-marker {
    display: none;
}

.seo-faq-item p {
    padding: 0 18px 16px;
    margin: 0;
    color: #475569;
    line-height: 1.7;
}

.seo-link-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.seo-link-card {
    display: block;
    padding: 16px;
    border-radius: 14px;
    border: 1px solid #e2e8f0;
    background: #ffffff;
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.seo-link-card:hover {
    transform: translateY(-2px);
    border-color: rgba(255, 90, 95, 0.4);
    box-shadow: 0 12px 24px rgba(255, 90, 95, 0.12);
}

.seo-link-card h3 {
    font-size: 1rem;
    color: #1f2937;
    margin-bottom: 6px;
}

.seo-link-card p {
    margin: 0;
    color: #475569;
    font-size: 0.9rem;
}

.seo-metrics {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
    margin-top: 12px;
}

.seo-metric {
    padding: 14px;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
    background: #f8fafc;
}

.seo-metric strong {
    display: block;
    color: #0f172a;
    margin-bottom: 4px;
}

.seo-metric span {
    color: #475569;
    font-size: 0.88rem;
}

.tool-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin-bottom: 14px;
}

.tool-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.tool-field label {
    font-size: 0.88rem;
    color: #475569;
    font-weight: 600;
}

.tool-field input,
.tool-field select {
    border: 1px solid #cbd5e1;
    border-radius: 12px;
    padding: 10px 12px;
    font-size: 0.95rem;
    outline: none;
}

.tool-field input:focus,
.tool-field select:focus {
    border-color: rgba(255, 90, 95, 0.5);
    box-shadow: 0 0 0 3px rgba(255, 90, 95, 0.15);
}

.tool-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 10px;
}

.tool-result {
    margin-top: 12px;
    border: 1px solid #e2e8f0;
    border-radius: 14px;
    background: #f8fafc;
    padding: 14px;
    display: grid;
    gap: 8px;
}

.tool-result strong {
    color: #0f172a;
    font-size: 1.06rem;
}

.seo-breadcrumb {
    margin-top: 16px;
    font-size: 0.85rem;
    color: #64748b;
}

.seo-breadcrumb a {
    color: #475569;
}

.seo-breadcrumb span {
    margin: 0 6px;
}

footer {
    background: #0f172a;
    color: #94a3b8;
    padding: 80px 24px 30px;
    margin-top: 80px;
}

.footer-grid {
    max-width: 1280px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 60px;
}

.footer-brand h4 {
    color: #fff;
    font-size: 1.5rem;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-col h5 {
    color: #fff;
    margin-bottom: 20px;
    font-size: 1rem;
}

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col a:hover {
    color: var(--primary);
}

@media (max-width: 1080px) {
    .seo-link-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .seo-metrics {
        grid-template-columns: 1fr 1fr;
    }

    .footer-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 768px) {
    .seo-main {
        padding-top: 112px;
    }

    .seo-container {
        width: calc(100% - 22px);
    }

    .seo-hero-inner,
    .seo-card {
        padding: 18px;
    }

    .seo-link-grid,
    .seo-metrics,
    .tool-grid,
    .footer-grid {
        grid-template-columns: 1fr;
    }
}