:root{--ink:#172033;--muted:#5e687d;--line:#dfe5ef;--soft:#f5f7fb;--primary:#6d37c8;--primary2:#8a55df;--white:#fff}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:#fff;line-height:1.6}.seo-nav{min-height:76px;display:flex;align-items:center;gap:24px;padding:12px clamp(18px,5vw,72px);border-bottom:1px solid var(--line);position:sticky;top:0;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);z-index:10}.seo-brand{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none}.seo-brand img{width:44px;height:44px;object-fit:contain}.seo-brand span{display:grid;line-height:1.1}.seo-brand small{color:var(--muted)}.seo-nav nav{display:flex;gap:20px;margin-left:auto}.seo-nav nav a,.seo-login{color:var(--ink);text-decoration:none;font-weight:700}.seo-login{padding:10px 16px;border:1px solid var(--line);border-radius:12px}.seo-hero{max-width:1180px;margin:auto;padding:76px 24px 54px;display:grid;grid-template-columns:minmax(0,1.35fr) minmax(280px,.65fr);gap:52px;align-items:center;background:radial-gradient(circle at 10% 20%,#f2eaff 0,transparent 42%)}.seo-kicker{display:inline-block;color:var(--primary);font-weight:800;text-transform:uppercase;letter-spacing:.08em;font-size:.78rem}.seo-hero h1{font-size:clamp(2.25rem,5vw,4.6rem);line-height:1.02;letter-spacing:-.045em;margin:.35em 0 .3em}.seo-hero p{font-size:1.18rem;color:var(--muted);max-width:760px}.seo-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}.seo-btn{display:inline-flex;justify-content:center;align-items:center;padding:13px 20px;border-radius:13px;text-decoration:none;font-weight:800;border:1px solid var(--line);color:var(--ink);background:#fff}.seo-btn.primary{background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff;border-color:transparent}.seo-hero aside{padding:30px;border:1px solid var(--line);border-radius:26px;background:#fff;box-shadow:0 24px 70px rgba(34,24,70,.12);display:grid;gap:16px}.seo-hero aside img{width:86px;height:86px;object-fit:contain}.seo-hero aside strong{font-size:1.35rem;line-height:1.25}.seo-hero aside span{color:var(--muted)}.seo-content{max-width:1180px;margin:auto;padding:38px 24px 70px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.seo-content article{padding:30px;border:1px solid var(--line);border-radius:22px;background:var(--soft)}.seo-content h2,.seo-faq h2,.seo-related h2,.seo-final h2{font-size:clamp(1.65rem,3vw,2.5rem);line-height:1.15;margin:.2em 0 .55em}.seo-content p,.seo-faq p,.seo-final p{color:var(--muted)}.seo-content ul{padding-left:20px}.seo-content li{margin:7px 0}.seo-faq{max-width:920px;margin:auto;padding:70px 24px}.seo-faq details{border-bottom:1px solid var(--line);padding:18px 0}.seo-faq summary{cursor:pointer;font-weight:800;font-size:1.06rem}.seo-related{max-width:1180px;margin:auto;padding:30px 24px 80px}.seo-related div{display:flex;flex-wrap:wrap;gap:10px}.seo-related a{padding:11px 14px;border:1px solid var(--line);border-radius:999px;color:var(--ink);text-decoration:none;font-weight:700}.seo-final{margin:0 auto 60px;max-width:1120px;padding:44px;border-radius:28px;background:linear-gradient(135deg,#20143d,#6d37c8);color:#fff}.seo-final p{color:#ece5ff}.seo-final .seo-btn{margin-top:10px;background:#fff;color:#421d7f}footer{display:flex;flex-wrap:wrap;gap:18px;justify-content:center;padding:30px 20px;border-top:1px solid var(--line);color:var(--muted)}footer a{color:var(--ink);font-weight:700;text-decoration:none}@media(max-width:850px){.seo-nav nav{display:none}.seo-login{margin-left:auto}.seo-hero{grid-template-columns:1fr;padding-top:48px}.seo-content{grid-template-columns:1fr}.seo-hero h1{font-size:clamp(2.2rem,12vw,3.7rem)}}@media(max-width:520px){.seo-nav{padding:10px 14px}.seo-brand small{display:none}.seo-login{padding:8px 11px}.seo-hero{padding-left:18px;padding-right:18px}.seo-actions .seo-btn{width:100%}.seo-final{margin-left:14px;margin-right:14px;padding:30px 22px}}