.seo-hero .hero-content { max-width: 980px; }
.seo-hero .hero-title { max-width: 16ch; font-size: clamp(2.45rem, 5.7vw, 4.7rem); font-weight: 800; }
.seo-hero .page-kicker { max-width: 760px; }
.seo-answer { max-width: 76ch; font-family: var(--serif); font-size: clamp(1.35rem, 2.6vw, 2.15rem); line-height: 1.38; letter-spacing: -0.015em; }
.seo-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.seo-card { padding: 30px; border: 1px solid var(--line); border-radius: var(--r); background: var(--paper); }
.seo-card h3 { font-size: 1.28rem; }
.seo-card p, .seo-card li { margin-top: 12px; color: var(--muted); line-height: 1.65; }
.seo-card ul { margin: 14px 0 0; padding-left: 20px; }
.seo-side { padding: 28px; border-left: 3px solid var(--accent); background: rgba(177,128,60,0.08); }
.seo-side strong { display: block; margin-bottom: 10px; font-size: 1.05rem; }
.seo-steps { counter-reset: seo-step; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.seo-step { counter-increment: seo-step; min-height: 230px; padding: 28px; background: var(--paper); }
.seo-step::before { content: "0" counter(seo-step); display: block; margin-bottom: 40px; color: var(--accent-deep); font-size: 0.76rem; font-weight: 700; letter-spacing: 0.12em; }
.seo-step h3 { font-size: 1.18rem; }
.seo-step p { margin-top: 12px; color: var(--muted); line-height: 1.62; }
.seo-source-list { display: grid; gap: 10px; margin-top: 22px; padding: 0; list-style: none; }
.seo-source-list a { color: var(--accent-deep); text-decoration: underline; text-underline-offset: 3px; }
.seo-factline { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.seo-factline span { padding: 8px 12px; border: 1px solid rgba(255,255,255,0.22); border-radius: 999px; color: rgba(255,255,255,0.78); font-size: 0.82rem; }
.seo-related { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.seo-related a { display: flex; min-height: 130px; align-items: flex-end; padding: 24px; border: 1px solid var(--line); background: var(--paper); color: var(--ink); font-family: var(--serif); font-size: 1.2rem; transition: transform .25s ease, border-color .25s ease; }
.seo-related a:hover { transform: translateY(-3px); border-color: var(--accent); }
.seo-check { margin-top: 26px; color: var(--muted); font-size: 0.84rem; }
.seo-check strong { color: var(--ink); }
.seo-quote { max-width: 48ch; font-family: var(--serif); font-size: clamp(1.6rem, 3.2vw, 2.7rem); line-height: 1.3; }
@media (max-width: 900px) {
  .seo-grid, .seo-related { grid-template-columns: 1fr 1fr; }
  .seo-steps { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 620px) {
  .seo-grid, .seo-related, .seo-steps { grid-template-columns: 1fr; }
  .seo-step { min-height: auto; }
  .seo-step::before { margin-bottom: 22px; }
  .seo-card { padding: 24px; }
}