/* ToJestDom RC301 — SEO architecture + internal linking, no redesign */
:root{--seo-navy:#06182b;--seo-blue:#2aa8ff;--seo-ice:#eef8ff;--seo-line:#dceaf4;--seo-ink:#0c1722;--seo-muted:#60707d}
.seoBreadcrumb{max-width:1500px;margin:0 auto;padding:18px 18px 0;color:var(--seo-muted);font-size:14px}
.seoBreadcrumb a{color:inherit;text-decoration:none}.seoBreadcrumb a:hover{color:var(--seo-blue)}
.seoPage{background:#fff;color:var(--seo-ink)}
.seoWrap{max-width:1500px;margin:0 auto;padding:0 18px}
.seoHero{padding:52px 0 30px}.seoHero .seoKicker{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border:1px solid var(--seo-line);border-radius:999px;color:#46647b;background:#f8fcff;font-weight:700;font-size:13px}
.seoHero h1{font-size:clamp(42px,5.2vw,72px);line-height:.98;letter-spacing:-.045em;margin:18px 0 16px;max-width:1000px}
.seoHero p{max-width:900px;font-size:20px;line-height:1.55;color:var(--seo-muted);margin:0}
.seoSummary{margin:20px 0 0;padding:18px 20px;border-radius:18px;background:var(--seo-ice);border:1px solid #cfe9fb;max-width:950px;line-height:1.55}.seoSummary strong{color:#075f9c}
.seoSection{padding:30px 0 50px}.seoSection h2{font-size:clamp(30px,3vw,46px);letter-spacing:-.035em;margin:0 0 10px}.seoSectionLead{color:var(--seo-muted);max-width:900px;font-size:18px;line-height:1.55;margin:0 0 24px}
.seoProjectGrid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.seoProjectCard{border:1px solid var(--seo-line);border-radius:22px;overflow:hidden;background:#fff;box-shadow:0 12px 32px rgba(6,24,43,.05)}
.seoProjectCard>a:first-child{display:block;background:#f3f7f9}.seoProjectCard img{width:100%;aspect-ratio:16/10;object-fit:cover;display:block}.seoProjectBody{padding:18px}.seoProjectBody h3{margin:0 0 10px;font-size:24px;line-height:1.08}.seoProjectBody h3 a{color:var(--seo-ink);text-decoration:none}.seoProjectMeta{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}.seoChip{font-size:13px;font-weight:700;padding:7px 10px;border-radius:999px;background:#f4f7f9;color:#3b5264}.seoProjectLink{display:inline-flex;margin-top:8px;color:#087bc7;font-weight:800;text-decoration:none}.seoProjectLink:hover{text-decoration:underline}
.seoClusterGrid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.seoClusterCard{display:block;border:1px solid var(--seo-line);border-radius:20px;padding:20px;background:#fff;text-decoration:none;color:var(--seo-ink);min-height:160px}.seoClusterCard:hover{border-color:#8fd0f8;box-shadow:0 12px 26px rgba(42,168,255,.08)}.seoClusterCard b{display:block;font-size:21px;margin-bottom:8px}.seoClusterCard span{color:var(--seo-muted);line-height:1.45}
.seoRelated{max-width:1500px;margin:26px auto 52px;padding:0 18px}.seoRelatedInner{border-top:1px solid var(--seo-line);padding-top:26px}.seoRelated h2{font-size:30px;margin:0 0 14px}.seoRelatedLinks{display:flex;flex-wrap:wrap;gap:10px}.seoRelatedLinks a{display:inline-flex;align-items:center;padding:10px 14px;border:1px solid var(--seo-line);border-radius:999px;text-decoration:none;color:#0b68a6;background:#fff;font-weight:700}.seoRelatedLinks a:hover{border-color:#7cc8f6;background:#f7fcff}
.seoFooterLinks{display:flex;flex-direction:column;gap:7px;margin-top:8px}.seoFooterLinks a{color:inherit;text-decoration:none}.seoFooterLinks a:hover{text-decoration:underline}
.seoTableWrap{overflow-x:auto;border:1px solid var(--seo-line);border-radius:18px}.seoTable{width:100%;border-collapse:collapse;min-width:720px}.seoTable th,.seoTable td{text-align:left;padding:14px 16px;border-bottom:1px solid #edf2f5}.seoTable th{background:#f7fbfe;font-size:13px;text-transform:uppercase;letter-spacing:.04em;color:#60707d}.seoTable tr:last-child td{border-bottom:0}.seoTable a{color:#087bc7;font-weight:700;text-decoration:none}
.seo404{min-height:62vh;display:grid;place-items:center;text-align:center;padding:60px 20px}.seo404 h1{font-size:clamp(54px,10vw,120px);margin:0;color:var(--seo-navy)}.seo404 h2{font-size:32px;margin:6px 0 12px}.seo404 p{color:var(--seo-muted);font-size:18px}.seo404Actions{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-top:22px}.seo404Actions a{padding:12px 18px;border-radius:999px;text-decoration:none;font-weight:800}.seo404Actions .primary{background:var(--seo-navy);color:#fff}.seo404Actions .secondary{border:1px solid var(--seo-line);color:var(--seo-ink)}
@media(max-width:1020px){.seoProjectGrid,.seoClusterGrid{grid-template-columns:repeat(2,minmax(0,1fr))}.seoHero{padding-top:36px}}
@media(max-width:700px){.seoProjectGrid,.seoClusterGrid{grid-template-columns:1fr}.seoHero h1{font-size:44px}.seoHero p{font-size:18px}.seoSection{padding:24px 0 38px}.seoProjectBody h3{font-size:22px}}