.seo-hero{padding:76px 0 62px;background:radial-gradient(circle at 82% 18%,rgba(255,107,87,.16),transparent 29%),radial-gradient(circle at 12% 72%,rgba(91,67,241,.12),transparent 28%),linear-gradient(180deg,#faf9ff,#fff)}
.seo-hero-grid{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(300px,.68fr);gap:64px;align-items:center}
.seo-breadcrumb{display:flex;flex-wrap:wrap;gap:7px;margin:0 0 23px;color:var(--muted);font-size:.78rem}
.seo-breadcrumb a{color:var(--primary);text-decoration:none}
.seo-hero h1{max-width:850px;margin:14px 0 22px;font-size:clamp(2.75rem,6.4vw,5.7rem);line-height:.98;letter-spacing:-.068em}
.seo-lead{max-width:780px;margin:0;color:var(--muted);font-size:1.12rem;line-height:1.75}
.seo-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.seo-summary{padding:28px;border:1px solid rgba(218,213,235,.9);border-radius:24px;background:rgba(255,255,255,.88);box-shadow:var(--shadow);backdrop-filter:blur(14px)}
.seo-summary strong{display:block;margin-bottom:14px;font-size:1.05rem}
.seo-summary ul{display:grid;gap:12px;margin:0;padding:0;list-style:none}
.seo-summary li{display:flex;gap:10px;color:#565168;font-size:.91rem}
.seo-summary li::before{content:"✓";display:grid;place-items:center;flex:0 0 22px;height:22px;border-radius:50%;background:#e6fbf4;color:#0c8a69;font-size:.7rem;font-weight:900}
.seo-layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:62px;align-items:start;padding:72px 0}
.seo-article{min-width:0}
.seo-article section{scroll-margin-top:100px}
.seo-article section+section{margin-top:58px;padding-top:54px;border-top:1px solid var(--line)}
.seo-article h2{margin:0 0 18px;font-size:clamp(1.9rem,4vw,3rem);line-height:1.08;letter-spacing:-.05em}
.seo-article h3{margin:30px 0 11px;font-size:1.23rem;letter-spacing:-.025em}
.seo-article p,.seo-article li{color:#565168;font-size:1rem;line-height:1.82}
.seo-article p{margin:0 0 17px}
.seo-article ul,.seo-article ol{display:grid;gap:9px;padding-left:22px}
.seo-callout{margin:28px 0;padding:22px 24px;border-left:4px solid var(--coral);border-radius:0 16px 16px 0;background:#fff3f0;color:#494458}
.seo-callout strong{color:var(--ink)}
.seo-toc{position:sticky;top:98px;padding:22px;border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:0 18px 45px rgba(31,25,74,.08)}
.seo-toc strong{display:block;margin-bottom:11px;font-size:.82rem;letter-spacing:.05em;text-transform:uppercase}
.seo-toc a{display:block;padding:7px 0;color:#615c73;text-decoration:none;font-size:.84rem}
.seo-toc a:hover{color:var(--primary)}
.seo-page-section{padding:70px 0}
.seo-page-section.soft{background:var(--soft)}
.seo-page-section.dark{background:var(--ink);color:#fff}
.seo-page-section.dark .section-head p{color:#c4c1d0}
.seo-page-section .faq-list{max-width:900px}
.seo-page-section.dark .faq-list details{border-color:rgba(255,255,255,.13)}
.seo-page-section.dark .faq-list summary{color:#fff}
.seo-page-section.dark .faq-answer{color:#c4c1d0}
.seo-page-section.dark .faq-list summary::after{background:rgba(255,255,255,.1);color:#fff}
.seo-related{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}
.seo-related a{display:flex;min-height:132px;flex-direction:column;justify-content:space-between;padding:22px;border:1px solid var(--line);border-radius:17px;background:#fff;color:var(--ink);text-decoration:none;box-shadow:0 12px 34px rgba(31,25,74,.06)}
.seo-related a:hover{border-color:#c9c2f1;transform:translateY(-2px)}
.seo-related small{color:var(--primary);font-weight:800;text-transform:uppercase;letter-spacing:.07em}
.seo-related strong{font-size:1.04rem;line-height:1.35}
.seo-references{display:grid;gap:12px;max-width:900px;margin:0 auto}
.seo-reference{display:flex;justify-content:space-between;gap:20px;padding:18px 20px;border:1px solid var(--line);border-radius:15px;background:#fff;color:var(--ink);text-decoration:none}
.seo-reference span{color:var(--muted);font-size:.86rem}
.seo-cta{padding:44px;border-radius:28px;background:radial-gradient(circle at 90% 10%,rgba(255,107,87,.28),transparent 30%),linear-gradient(135deg,#17152b,#2b225e);color:#fff;text-align:center}
.seo-cta h2{max-width:760px;margin:0 auto 16px;font-size:clamp(2rem,4.5vw,3.5rem);line-height:1.05;letter-spacing:-.052em}
.seo-cta p{max-width:680px;margin:0 auto 25px;color:#d1cede}
.seo-disclaimer{max-width:900px;margin:28px auto 0;color:#817c90;font-size:.78rem;text-align:center}
@media(max-width:980px){.seo-hero-grid,.seo-layout{grid-template-columns:1fr}.seo-hero-grid{gap:34px}.seo-layout{gap:30px}.seo-toc{position:static;order:-1}.seo-related{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.seo-hero{padding:48px 0}.seo-hero h1{font-size:clamp(2.5rem,13vw,4rem)}.seo-summary{padding:22px}.seo-layout{padding:48px 0}.seo-article section+section{margin-top:44px;padding-top:42px}.seo-related{grid-template-columns:1fr}.seo-page-section{padding:52px 0}.seo-reference{display:grid}.seo-cta{padding:32px 22px}}