.seo-page { background: #f7f6f1; color: #07131f; }
.seo-page .site-header { position: absolute; }
.seo-page .nav-links .active { color: #61d9f7; opacity: 1; }
.seo-page-hero {
  position: relative;
  min-height: 650px;
  padding: 170px 0 90px;
  color: #fff;
  background:
    radial-gradient(circle at 78% 35%, rgba(23,153,237,.2), transparent 28%),
    linear-gradient(125deg, #050e17, #0b2432);
  overflow: hidden;
}
.seo-page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: .17;
  background-image: linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 70px 70px;
}
.seo-page-hero .shell { position: relative; z-index: 1; }
.seo-breadcrumb { display: flex; gap: 8px; margin-bottom: 42px; color: #7891a1; font-size: 12px; }
.seo-breadcrumb a:hover { color: #61d9f7; }
.seo-page-hero-grid { display: grid; grid-template-columns: 1fr .62fr; align-items: end; gap: 90px; }
.seo-page-kicker { color: #61d9f7; font-size: 12px; font-weight: 800; letter-spacing: .16em; }
.seo-page-hero h1 { max-width: 800px; margin: 20px 0 26px; font-size: clamp(52px, 6.5vw, 84px); line-height: 1.02; letter-spacing: -.065em; }
.seo-page-hero p { max-width: 700px; margin: 0; color: #b2c5d1; font-size: 17px; line-height: 1.9; }
.seo-page-facts { display: grid; gap: 1px; border: 1px solid rgba(255,255,255,.12); border-radius: 22px; overflow: hidden; background: rgba(255,255,255,.1); }
.seo-page-facts div { padding: 18px 20px; background: rgba(5,14,23,.8); display: flex; justify-content: space-between; gap: 20px; }
.seo-page-facts span { color: #758d9c; font-size: 11px; }
.seo-page-facts strong { color: #fff; font-size: 12px; text-align: right; }
.seo-content { padding: 110px 0; }
.seo-layout { display: grid; grid-template-columns: minmax(0, 1fr) 290px; gap: 78px; align-items: start; }
.seo-article { min-width: 0; }
.seo-lead { margin: 0 0 66px; font-size: 21px; line-height: 1.85; letter-spacing: -.02em; color: #314352; }
.seo-article section { padding: 0 0 66px; margin-bottom: 66px; border-bottom: 1px solid rgba(7,19,31,.12); }
.seo-article section:last-child { border-bottom: 0; margin-bottom: 0; }
.seo-article h2 { margin: 0 0 26px; font-size: clamp(34px, 4vw, 50px); line-height: 1.1; letter-spacing: -.055em; }
.seo-article h3 { margin: 30px 0 12px; font-size: 21px; letter-spacing: -.03em; }
.seo-article p { margin: 0 0 20px; color: #51616c; font-size: 16px; line-height: 1.95; }
.seo-article ul, .seo-article ol { margin: 24px 0; padding-left: 22px; color: #42545f; }
.seo-article li { margin: 12px 0; line-height: 1.75; }
.seo-callout { padding: 26px 28px; border-left: 3px solid #1799ed; border-radius: 0 18px 18px 0; background: #e7eff1; }
.seo-callout strong { display: block; margin-bottom: 8px; }
.seo-callout p { margin: 0; font-size: 14px; }
.seo-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 30px; }
.seo-step { padding: 24px; border-radius: 20px; background: #fff; box-shadow: 0 12px 34px rgba(7,19,31,.07); }
.seo-step span { color: #1799ed; font-size: 11px; font-weight: 800; }
.seo-step strong { display: block; margin: 26px 0 10px; font-size: 17px; }
.seo-step p { margin: 0; font-size: 13px; line-height: 1.7; }
.seo-faq { border-top: 1px solid rgba(7,19,31,.12); }
.seo-faq details { border-bottom: 1px solid rgba(7,19,31,.12); }
.seo-faq summary { padding: 22px 0; cursor: pointer; font-weight: 750; list-style: none; }
.seo-faq summary::after { content: "+"; float: right; color: #1799ed; font-size: 20px; }
.seo-faq details[open] summary::after { content: "−"; }
.seo-faq details p { padding: 0 36px 22px 0; font-size: 14px; }
.seo-sidebar { position: sticky; top: 28px; display: grid; gap: 16px; }
.seo-side-card { padding: 24px; border-radius: 22px; color: #fff; background: #07131f; }
.seo-side-card img { width: 72px; height: 72px; border-radius: 18px; margin-bottom: 22px; }
.seo-side-card strong { display: block; font-size: 20px; }
.seo-side-card p { margin: 10px 0 20px; color: #8ba0ad; font-size: 12px; line-height: 1.7; }
.seo-side-card a { display: block; padding: 13px; border-radius: 12px; text-align: center; color: #07131f; background: #61d9f7; font-size: 13px; font-weight: 800; }
.seo-side-nav { padding: 22px; border: 1px solid rgba(7,19,31,.1); border-radius: 22px; background: #fff; }
.seo-side-nav strong { display: block; margin-bottom: 12px; font-size: 12px; }
.seo-side-nav a { display: block; padding: 10px 0; border-bottom: 1px solid rgba(7,19,31,.08); color: #60717c; font-size: 12px; }
.seo-side-nav a:last-child { border-bottom: 0; }
.seo-related { padding: 90px 0; background: #e8efee; }
.seo-related h2 { margin: 0 0 38px; font-size: clamp(36px, 4.5vw, 58px); letter-spacing: -.06em; }
.seo-related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.seo-related-grid a { min-height: 160px; padding: 24px; border-radius: 20px; background: #fff; display: flex; flex-direction: column; }
.seo-related-grid span { color: #1799ed; font-size: 10px; font-weight: 800; }
.seo-related-grid strong { margin-top: auto; font-size: 19px; }
.seo-related-grid small { margin-top: 7px; color: #71808a; }
.seo-page .footer { margin-top: 0; }

@media (max-width: 900px) {
  .seo-page-hero-grid, .seo-layout { grid-template-columns: 1fr; }
  .seo-page-facts { margin-top: 20px; }
  .seo-sidebar { position: static; grid-template-columns: 1fr 1fr; }
  .seo-steps, .seo-related-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .seo-page-hero { min-height: auto; padding: 130px 0 72px; }
  .seo-page-hero h1 { font-size: 47px; }
  .seo-content { padding: 72px 0; }
  .seo-lead { font-size: 18px; }
  .seo-article section { padding-bottom: 48px; margin-bottom: 48px; }
  .seo-sidebar, .seo-steps, .seo-related-grid { grid-template-columns: 1fr; }
}