:root{
  --seo-ink:#0f172a;--seo-muted:#64748b;--seo-line:#e2e8f0;--seo-soft:#f8fafc;
  --seo-green:#08783b;--seo-green-bright:#16a34a;--seo-blue:#2563eb;--seo-white:#fff;
  --seo-shadow:0 20px 60px rgba(15,23,42,.08)
}
*{box-sizing:border-box}
body{margin:0;background:#fff;color:var(--seo-ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
.seo-page{overflow:hidden}.seo-shell{width:min(1120px,calc(100% - 32px));margin:auto}
.seo-hero{padding:82px 0 58px;background:radial-gradient(circle at 18% 16%,rgba(37,99,235,.07),transparent 28%),radial-gradient(circle at 84% 18%,rgba(22,163,74,.09),transparent 30%),linear-gradient(180deg,#f9fcfa,#fff)}
.seo-kicker{display:inline-flex;align-items:center;gap:8px;padding:8px 13px;border:1px solid #dbe9df;border-radius:999px;background:#fff;color:var(--seo-green);font-size:11px;font-weight:850;letter-spacing:.09em;text-transform:uppercase}
.seo-kicker:before{content:"";width:7px;height:7px;border-radius:50%;background:#22c55e}
.seo-title{max-width:920px;margin:20px 0 18px;font-size:clamp(42px,6.6vw,74px);line-height:.99;letter-spacing:-.05em}
.seo-lead{max-width:820px;margin:0;color:#526071;font-size:19px;line-height:1.7}
.seo-actions{display:flex;gap:11px;flex-wrap:wrap;margin-top:28px}
.seo-btn{min-height:50px;padding:0 21px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;text-decoration:none;font-size:14px;font-weight:820}
.seo-btn-primary{background:linear-gradient(135deg,#0f9f4b,#20c66b);color:#fff;box-shadow:0 12px 30px rgba(22,163,74,.22)}
.seo-btn-secondary{background:#fff;color:var(--seo-ink);border:1px solid #d6dee6}
.seo-btn:hover{transform:translateY(-1px)}
.seo-hero-grid{display:grid;grid-template-columns:1fr .9fr;gap:48px;align-items:center}
.seo-visual{padding:11px;border:1px solid var(--seo-line);border-radius:24px;background:#fff;box-shadow:var(--seo-shadow)}
.seo-visual img{width:100%;display:block;border-radius:15px}
.seo-visual-note{padding:12px 7px 4px;color:var(--seo-muted);font-size:11px;line-height:1.5}
.seo-section{padding:84px 0}.seo-soft{background:var(--seo-soft)}
.seo-reading{max-width:880px}.seo-reading h2,.seo-section-head h2{margin:0 0 18px;font-size:clamp(31px,4vw,48px);line-height:1.08;letter-spacing:-.035em}
.seo-reading h3{margin:32px 0 10px;font-size:23px}.seo-reading p{color:#526071;font-size:16px;line-height:1.75}
.seo-reading a,.seo-related a{color:var(--seo-green);font-weight:750}
.seo-section-head{max-width:800px;margin:0 auto 38px;text-align:center}.seo-eyebrow{margin-bottom:13px;color:var(--seo-green);font-size:11px;font-weight:850;letter-spacing:.1em;text-transform:uppercase}
.seo-section-head p{margin:0;color:var(--seo-muted);font-size:16px;line-height:1.65}
.seo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.seo-card{padding:25px;border:1px solid var(--seo-line);border-radius:19px;background:#fff;box-shadow:0 8px 28px rgba(15,23,42,.035)}
.seo-card h3{margin:0 0 9px;font-size:19px}.seo-card p{margin:0;color:var(--seo-muted);font-size:13px;line-height:1.6}
.seo-limit{padding:24px;border-left:4px solid #22c55e;border-radius:10px;background:#f4fbf6}.seo-limit strong{display:block;margin-bottom:6px}.seo-limit p{margin:0;color:#526071;line-height:1.65}
.seo-flow{display:grid;grid-template-columns:repeat(6,1fr);gap:8px}.seo-flow-step{position:relative;padding:16px 10px;border:1px solid var(--seo-line);border-radius:13px;background:#fff;text-align:center}
.seo-flow-step:not(:last-child):after{content:"→";position:absolute;right:-10px;top:50%;transform:translateY(-50%);z-index:2;width:20px;height:20px;display:grid;place-items:center;border-radius:50%;background:#edf8f0;color:var(--seo-green);font-size:10px;font-weight:900}
.seo-flow-step strong{display:block;color:var(--seo-green);font-size:10px;letter-spacing:.08em;text-transform:uppercase}.seo-flow-step span{display:block;margin-top:5px;color:#5c6878;font-size:10px;line-height:1.4}
.seo-related{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.seo-related a{display:block;padding:20px;border:1px solid var(--seo-line);border-radius:16px;background:#fff;text-decoration:none}
.seo-related strong{display:block;color:var(--seo-ink);font-size:14px}.seo-related span{display:block;margin-top:6px;color:var(--seo-muted);font-size:11px;line-height:1.45;font-weight:500}
.seo-faq{max-width:880px;margin:auto}.seo-faq details{border-bottom:1px solid var(--seo-line)}.seo-faq summary{padding:21px 4px;cursor:pointer;list-style:none;font-size:17px;font-weight:800}
.seo-faq summary::-webkit-details-marker{display:none}.seo-faq summary:after{content:"+";float:right;color:var(--seo-green);font-size:22px}.seo-faq details[open] summary:after{content:"−"}
.seo-faq p{margin:0;padding:0 36px 22px 4px;color:var(--seo-muted);font-size:15px;line-height:1.65}
.seo-final{padding:84px 0;text-align:center;background:linear-gradient(145deg,#f1f8f4,#f4f7ff)}.seo-final h2{margin:0;font-size:clamp(36px,4.8vw,58px);letter-spacing:-.04em}.seo-final p{max-width:760px;margin:17px auto 0;color:var(--seo-muted);font-size:16px;line-height:1.65}.seo-final .seo-actions{justify-content:center}
.seo-breadcrumbs{padding:13px 0;color:#8190a2;font-size:11px}.seo-breadcrumbs a{color:#627084;text-decoration:none}.seo-breadcrumbs span{margin:0 6px}
@media(max-width:900px){.seo-hero-grid{grid-template-columns:1fr}.seo-grid{grid-template-columns:repeat(2,1fr)}.seo-related{grid-template-columns:repeat(2,1fr)}.seo-flow{grid-template-columns:repeat(3,1fr)}.seo-flow-step:nth-child(3):after{display:none}}
@media(max-width:620px){.seo-shell{width:min(100% - 26px,1120px)}.seo-hero{padding:60px 0 44px}.seo-title{font-size:42px}.seo-lead{font-size:17px}.seo-actions{flex-direction:column}.seo-btn{width:100%}.seo-section{padding:64px 0}.seo-grid,.seo-related{grid-template-columns:1fr}.seo-flow{grid-template-columns:1fr}.seo-flow-step{text-align:left}.seo-flow-step:not(:last-child):after{content:"↓";left:50%;right:auto;top:auto;bottom:-14px;transform:translateX(-50%)}.seo-flow-step:nth-child(3):after{display:grid}}