:root{--oott-blue:#061a33;--oott-blue2:#0b315d;--oott-gold:#f3ba43;--oott-ink:#17253a;--oott-muted:#617087;--oott-paper:#f7f9fc;--oott-line:#dce5f0}
*{box-sizing:border-box}html{scroll-behavior:smooth}.oott-core{margin:0;background:var(--oott-paper);color:var(--oott-ink)}
.oott-core main{overflow:visible}.oott-core .oott-e-hero{margin:0;background:linear-gradient(135deg,#031326,#0a3765);color:#fff;padding:clamp(48px,7vw,92px) 0 42px}.oott-core .oott-e-hero h1{max-width:980px;margin:.25rem 0 1rem;font-size:clamp(2.25rem,5vw,4.8rem);line-height:1.02}.oott-core .oott-e-deck{max-width:850px;font-size:clamp(1.08rem,2vw,1.35rem);color:#dcecff}.oott-core .oott-e-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}.oott-core .oott-e-meta span{border:1px solid #ffffff45;border-radius:999px;padding:7px 12px}.oott-e-byline{margin-top:18px;color:#dcecff}.oott-e-byline a{color:#fff}
.oott-core .oott-e-brand img{display:block;width:min(250px,48vw);height:auto}
.oott-household{position:relative;margin:0;background:#071628}.oott-household img{display:block;width:100%;height:auto;max-height:760px;object-fit:cover}.oott-household figcaption{position:absolute;left:max(22px,calc((100vw - 1200px)/2));bottom:24px;max-width:620px;padding:15px 18px;background:#04101de8;color:#fff;border-left:4px solid var(--oott-gold);border-radius:8px}.oott-household figcaption strong,.oott-household figcaption small{display:block}.oott-household figcaption small{margin-top:4px;color:#d9e7f5}
.oott-core .oott-e-layout{display:grid;grid-template-columns:minmax(0,1fr) 285px;gap:42px;align-items:start;max-width:1240px;margin:0 auto;padding:44px 24px 80px}.oott-core .oott-e-content{min-width:0}.oott-core .oott-e-toc{position:sticky;top:24px;max-height:calc(100vh - 48px);overflow:auto;background:#fff;color:#17253a!important;border:1px solid var(--oott-line);border-top:4px solid var(--oott-gold);border-radius:14px;padding:18px;box-shadow:0 12px 35px #183b6414}.oott-core .oott-e-toc b{display:block;margin-bottom:10px;color:#17253a!important}.oott-core .oott-e-toc a{display:block;padding:7px 0;color:#244a72!important;text-decoration:none;border-bottom:1px solid #edf2f7}.oott-core .oott-e-toc a:hover{color:#b77700!important}
.oott-quick{margin:0 0 34px;padding:24px 26px;border-radius:16px;background:linear-gradient(135deg,#fff8e7,#fff);border:1px solid #efd28f;box-shadow:0 12px 34px #243b5b12}.oott-quick,.oott-quick h2,.oott-quick p{color:#17253a!important}.oott-quick h2{margin:0 0 10px}.oott-quick p{margin:0;font-size:1.08rem}.oott-answer-grid,.oott-proof-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:25px 0 38px}.oott-answer{padding:18px;background:#fff;color:#17253a!important;border:1px solid var(--oott-line);border-radius:14px}.oott-answer strong{display:block;color:var(--oott-blue2)!important;margin-bottom:5px}
.oott-proof{margin:25px 0 38px;padding:22px;background:#07192d;color:#fff;border-radius:18px}.oott-proof>header span{color:var(--oott-gold);font-weight:800;text-transform:uppercase;letter-spacing:.08em;font-size:.78rem}.oott-proof h3{margin:.35rem 0 1rem;font-size:1.55rem}.oott-proof-grid{margin:0}.oott-proof figure{margin:0;background:#fff;border-radius:12px;overflow:hidden;color:var(--oott-ink)}.oott-proof img{display:block;width:100%;height:250px;object-fit:contain;background:#f3f6fa}.oott-proof figcaption{padding:12px 14px}.oott-proof figcaption strong,.oott-proof figcaption small{display:block}.oott-proof figcaption small{color:var(--oott-muted);margin-top:3px}
.oott-proof--triple .oott-proof-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.oott-proof--single .oott-proof-grid{grid-template-columns:1fr}.oott-proof--single img{height:auto;max-height:520px;object-fit:cover}
.oott-core .oott-e-content h2{scroll-margin-top:28px;margin-top:2.4rem}.oott-core .oott-e-content h3{margin-top:1.6rem}.oott-core .oott-e-content p,.oott-core .oott-e-content li{line-height:1.72}.oott-core .oott-e-table{display:block;width:100%;overflow-x:auto}.oott-core .oott-e-video video{width:100%;height:auto;background:#000}.oott-standard-note{padding:18px 20px;background:#eaf3fd;border-left:4px solid #1775c6;border-radius:8px;margin:22px 0}.oott-standard-warning{padding:18px 20px;background:#fff2e8;border-left:4px solid #d86b14;border-radius:8px;margin:22px 0}.oott-core .oott-standard-note,.oott-core .oott-standard-warning,.oott-core .oott-standard-note strong,.oott-core .oott-standard-warning strong{color:#17253a!important}.oott-core .oott-standard-note a,.oott-core .oott-standard-warning a{color:#075da8!important;text-decoration:underline}
@media(max-width:900px){.oott-core .oott-e-layout{grid-template-columns:1fr;padding:28px 18px 60px}.oott-core .oott-e-toc{position:static;order:-1;max-height:none}.oott-proof-grid,.oott-proof--triple .oott-proof-grid,.oott-answer-grid{grid-template-columns:1fr}.oott-household figcaption{position:static;max-width:none;border-radius:0}.oott-proof img{height:auto;max-height:340px}.oott-core .oott-e-hero{padding-left:0;padding-right:0}}
@media(max-width:540px){.oott-core .oott-e-hero h1{font-size:2.15rem}.oott-core .oott-e-layout{padding-inline:14px}.oott-quick,.oott-proof{padding:17px}.oott-core .oott-e-nav{display:none}}