.seo-main {
  width: min(980px, calc(100% - 40px));
  padding-top: 62px;
}

.seo-hero {
  text-align: center;
}

.seo-hero h1 {
  max-width: 850px;
  margin-right: auto;
  margin-left: auto;
}

.seo-hero .lead {
  max-width: 760px;
  margin-right: auto;
  margin-left: auto;
}

.seo-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-top: 28px;
}

.secondary-link {
  color: #90cdfd;
  font-size: 0.9rem;
  font-weight: 700;
  text-underline-offset: 4px;
}

.quick-facts {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.quick-facts li {
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
}

.product-visual {
  width: 100%;
  max-width: 900px;
  margin: 48px auto 0;
}

.product-visual img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  object-fit: contain;
  object-position: center;
}

.product-visual figcaption {
  margin-top: 10px;
  color: #7f8798;
  font-size: 0.78rem;
  text-align: center;
}

.answer-box {
  margin-top: 54px;
  padding: 22px 24px;
  border-left: 3px solid var(--cyan);
  background: var(--surface-strong);
}

.answer-box strong {
  display: block;
  margin-bottom: 5px;
  color: var(--text);
  font-family: "Sora", system-ui, sans-serif;
}

.answer-box p {
  margin: 0;
  color: var(--muted);
}

.seo-section {
  margin-top: 68px;
  padding-top: 46px;
  border-top: 1px solid var(--line);
}

.seo-section > p,
.seo-section > ul,
.seo-section > ol {
  color: var(--muted);
}

.seo-section-intro {
  max-width: 760px;
  margin-bottom: 28px;
}

.instruction-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  counter-reset: instructions;
  list-style: none;
}

.instruction-list li {
  position: relative;
  min-height: 92px;
  padding: 20px 20px 20px 70px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--muted);
  counter-increment: instructions;
}

.instruction-list li::before {
  position: absolute;
  top: 20px;
  left: 20px;
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border-radius: 50%;
  background: rgba(22, 139, 255, 0.14);
  color: #89c9ff;
  content: counter(instructions);
  font-weight: 800;
}

.instruction-list strong {
  display: block;
  margin-bottom: 5px;
  color: var(--text);
}

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

.tip {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.tip h3 {
  margin-bottom: 8px;
}

.tip p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.seo-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.seo-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  font-size: 0.88rem;
}

.seo-table th,
.seo-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.seo-table th {
  color: var(--text);
  font-weight: 800;
}

.seo-table td {
  color: var(--muted);
}

.seo-table tr:last-child td {
  border-bottom: 0;
}

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

.faq-stack details {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.faq-stack summary {
  display: flex;
  min-height: 58px;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 18px;
  cursor: pointer;
  color: var(--text);
  font-weight: 800;
  list-style: none;
}

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

.faq-stack summary::after {
  color: var(--cyan);
  content: "+";
  font-size: 1.2rem;
}

.faq-stack details[open] summary::after {
  content: "−";
}

.faq-stack details p {
  margin: 0;
  padding: 0 18px 18px;
  color: var(--muted);
}

.related-guides {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.related-guide {
  display: block;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  text-decoration: none;
}

.related-guide span {
  display: block;
  margin-bottom: 7px;
  color: var(--cyan);
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
}

.related-guide strong {
  display: block;
  color: var(--text);
}

.related-guide:hover {
  border-color: #46516a;
}

@media (max-width: 760px) {
  .seo-main {
    width: min(100% - 32px, 980px);
    padding-top: 48px;
  }

  .seo-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .seo-actions .button {
    width: 100%;
  }

  .product-visual {
    max-width: 100%;
    margin-top: 32px;
  }

  .answer-box {
    margin-top: 38px;
  }

  .seo-section {
    margin-top: 52px;
    padding-top: 36px;
  }

  .tip-grid,
  .related-guides {
    grid-template-columns: 1fr;
  }

  .instruction-list li {
    padding: 18px 18px 18px 62px;
  }

  .instruction-list li::before {
    top: 18px;
    left: 16px;
  }
}