.seo-page{background:var(--bg,#06152b);color:#eef4ff}.seo-hero{padding:92px 0 58px;background:radial-gradient(circle at 80% 10%,rgba(118,87,255,.24),transparent 34%),linear-gradient(180deg,#0a2145,#06152b)}.seo-hero h1{max-width:920px;font-size:clamp(2.45rem,6vw,5.1rem);line-height:.98;letter-spacing:-.045em;margin:20px 0}.seo-lead{max-width:860px;font-size:1.18rem;line-height:1.75;color:#c5d6f3}.breadcrumbs{display:flex;gap:10px;align-items:center;color:#90a7ca;font-size:.9rem;margin-bottom:24px}.breadcrumbs a{color:#b9c9e5}.seo-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:52px;padding-top:60px;padding-bottom:90px}.seo-article{max-width:840px}.seo-article section{margin:0 0 58px}.seo-article h2{font-size:clamp(1.55rem,3vw,2.4rem);margin:0 0 18px;letter-spacing:-.025em}.seo-article p,.seo-article li{color:#c3d2eb;line-height:1.8;font-size:1.04rem}.seo-checklist{padding-left:1.5rem}.seo-checklist li{margin:10px 0}.seo-aside{position:relative}.sticky-card{position:sticky;top:24px;padding:26px;border:1px solid rgba(151,173,214,.24);background:rgba(12,35,73,.9);border-radius:20px;box-shadow:0 22px 60px rgba(0,0,0,.22)}.sticky-card strong{font-size:1.3rem;display:block}.sticky-card p,.source-note p{color:#b9cbe9;line-height:1.65}.sticky-card .btn{width:100%;text-align:center;margin:8px 0}.text-link{display:block;text-align:center;margin-top:12px}.source-note{margin-top:20px;padding:20px;border:1px solid rgba(151,173,214,.18);border-radius:16px;background:rgba(6,21,43,.65)}.seo-tool{padding:28px;border:1px solid rgba(118,87,255,.45);border-radius:22px;background:linear-gradient(145deg,rgba(25,55,105,.74),rgba(13,31,63,.78))}.seo-tool label{display:flex;flex-direction:column;gap:7px;color:#dce7fb;font-weight:700;margin:12px 0}.seo-tool input,.seo-tool textarea{width:100%;box-sizing:border-box;border:1px solid #37527f;border-radius:10px;background:#071a36;color:#fff;padding:12px;font:inherit}.tool-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.tool-result{margin-top:16px;padding:16px;border-radius:12px;background:#071a36;color:#bdebdc;white-space:pre-wrap;min-height:24px}.faq-section details{border-top:1px solid rgba(151,173,214,.2);padding:18px 0}.faq-section summary{font-weight:800;cursor:pointer}.related-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.related-grid a{padding:16px;border:1px solid rgba(151,173,214,.2);border-radius:13px;background:rgba(13,36,75,.7);color:#dbe7fb}.seo-hub{padding-top:60px;padding-bottom:90px}.seo-hub section{margin-bottom:72px}.seo-card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.seo-card{display:flex;flex-direction:column;gap:12px;min-height:190px;padding:24px;border-radius:18px;border:1px solid rgba(151,173,214,.2);background:linear-gradient(145deg,rgba(16,43,87,.85),rgba(7,25,53,.85));transition:.2s transform,.2s border-color}.seo-card:hover{transform:translateY(-3px);border-color:rgba(118,87,255,.75)}.seo-card span{color:#9f8cff;text-transform:uppercase;font-size:.75rem;letter-spacing:.08em;font-weight:800}.seo-card strong{font-size:1.15rem;color:#fff}.seo-card small{color:#afc2e1;line-height:1.55}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}@media(max-width:900px){.seo-layout{grid-template-columns:1fr}.sticky-card{position:static}.seo-card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:620px){.seo-hero{padding-top:66px}.seo-layout{padding-top:38px}.tool-grid,.related-grid,.seo-card-grid{grid-template-columns:1fr}.seo-card{min-height:auto}}