:root {
  color-scheme: light;
  --seo-bg: #f3f7f2;
  --seo-panel: rgba(255, 255, 255, 0.94);
  --seo-panel-strong: #ffffff;
  --seo-ink: #18231a;
  --seo-muted: #506251;
  --seo-faint: #6e7f70;
  --seo-line: rgba(72, 96, 72, 0.16);
  --seo-line-strong: rgba(72, 96, 72, 0.28);
  --seo-accent: #4a9f33;
  --seo-accent-strong: #2f6f21;
  --seo-shadow: 0 18px 44px rgba(70, 86, 72, 0.12);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "Manrope", "Segoe UI", -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--seo-ink);
  background:
    radial-gradient(circle at 10% 0%, rgba(106, 189, 86, 0.12), transparent 26%),
    radial-gradient(circle at 94% 4%, rgba(87, 163, 186, 0.1), transparent 24%),
    linear-gradient(180deg, #fbfdf9 0%, var(--seo-bg) 56%, #dde7dd 100%);
}

a {
  color: var(--seo-accent-strong);
}

a:hover {
  color: var(--seo-accent);
}

.seo-page-shell {
  width: min(980px, calc(100vw - 2rem));
  margin: 0 auto;
  padding: 1.25rem 0 2.4rem;
}

.seo-page-header,
.seo-page-main,
.seo-page-footer {
  border: 1px solid var(--seo-line);
  border-radius: 18px;
  background: var(--seo-panel);
  box-shadow: var(--seo-shadow);
}

.seo-page-header {
  margin-bottom: 1rem;
  padding: 0.95rem 1.05rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.seo-brand {
  color: var(--seo-ink);
  text-decoration: none;
  font-weight: 750;
  letter-spacing: 0.02em;
}

.seo-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.seo-nav a,
.seo-related-links a,
.seo-back-link,
.seo-primary-link {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  border: 1px solid var(--seo-line);
  text-decoration: none;
  transition: border-color 140ms ease, transform 140ms ease, background 140ms ease;
}

.seo-nav a,
.seo-related-links a,
.seo-back-link {
  padding: 0.42rem 0.68rem;
  background: rgba(255, 255, 255, 0.82);
  color: var(--seo-ink);
  font-size: 0.82rem;
}

.seo-primary-link {
  padding: 0.62rem 0.9rem;
  background: linear-gradient(135deg, rgba(144, 214, 112, 0.94), rgba(100, 184, 73, 0.94));
  border-color: rgba(74, 159, 51, 0.36);
  color: #10200f;
  font-weight: 760;
}

.seo-nav a:hover,
.seo-related-links a:hover,
.seo-back-link:hover,
.seo-primary-link:hover {
  transform: translateY(-1px);
  border-color: var(--seo-line-strong);
}

.seo-page-main {
  padding: 1.4rem 1.3rem;
}

.seo-page-main h1 {
  margin: 0 0 0.65rem;
  font-size: clamp(1.7rem, 3vw, 2.35rem);
  line-height: 1.08;
}

.seo-lead {
  margin: 0 0 1rem;
  max-width: 68ch;
  color: var(--seo-muted);
  font-size: 1rem;
  line-height: 1.7;
}

.seo-cta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.7rem;
  margin-bottom: 1.2rem;
}

.seo-note {
  color: var(--seo-faint);
  font-size: 0.83rem;
}

.seo-section-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
}

.seo-section-card {
  border: 1px solid var(--seo-line);
  border-radius: 16px;
  background: var(--seo-panel-strong);
  padding: 1rem;
}

.seo-section-card h2 {
  margin: 0 0 0.45rem;
  font-size: 1.05rem;
}

.seo-section-card p {
  margin: 0;
  color: var(--seo-muted);
  line-height: 1.68;
}

.seo-list {
  margin: 0;
  padding-left: 1.1rem;
  display: grid;
  gap: 0.45rem;
  color: var(--seo-muted);
}

.seo-list li::marker {
  color: var(--seo-accent);
}

.seo-faq {
  margin-top: 1rem;
  border: 1px solid var(--seo-line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.9);
  padding: 1rem;
}

.seo-faq h2 {
  margin: 0 0 0.75rem;
  font-size: 1.02rem;
}

.seo-faq-item + .seo-faq-item {
  margin-top: 0.8rem;
}

.seo-faq-item h3 {
  margin: 0 0 0.25rem;
  font-size: 0.95rem;
}

.seo-faq-item p {
  margin: 0;
  color: var(--seo-muted);
  line-height: 1.65;
}

.seo-related-links {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.seo-page-footer {
  margin-top: 1rem;
  padding: 0.9rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.7rem;
  flex-wrap: wrap;
}

.seo-page-footer p {
  margin: 0;
  color: var(--seo-faint);
  font-size: 0.82rem;
}

@media (max-width: 760px) {
  .seo-page-shell {
    width: min(100vw - 1rem, 980px);
    padding: 0.65rem 0 1.4rem;
  }

  .seo-page-header,
  .seo-page-main,
  .seo-page-footer {
    border-radius: 15px;
  }

  .seo-page-header,
  .seo-page-main,
  .seo-page-footer {
    padding-left: 0.9rem;
    padding-right: 0.9rem;
  }

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