:root{--sb-navy:#0b2d5c;--sb-orange:#f58220;--sb-text:#23384f;--sb-muted:#68778c;--sb-line:#dce5ef;--sb-bg:#f7f9fc}.sea-band{color:var(--sb-text);font-family:inherit;background:#fff}.sb-shell{width:min(1180px,calc(100% - 36px));margin:auto}.sb-hub-hero,.sb-hero{background:linear-gradient(135deg,#eef5fb,#fff8f1);padding:64px 0 50px;border-bottom:1px solid var(--sb-line)}.sb-kicker{font-size:13px;font-weight:800;color:#d85d00;letter-spacing:.04em}.sb-hub-hero h1,.sb-hero h1{font-size:clamp(34px,5vw,58px);line-height:1.05;color:#0a294d;margin:12px 0 16px}.sb-hub-hero p,.sb-lead{font-size:19px;line-height:1.7;color:#526780;max-width:900px}.sb-stats,.sb-meta{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}.sb-stats b,.sb-meta span,.sb-meta time{background:#fff;border:1px solid var(--sb-line);padding:9px 12px;border-radius:999px;font-size:13px}.sb-hero-img{display:block;width:100%;height:auto;border-radius:24px;margin-top:32px;box-shadow:0 18px 55px rgba(11,45,92,.12)}.sb-breadcrumb{display:flex;gap:8px;flex-wrap:wrap;font-size:13px;margin-bottom:16px}.sb-breadcrumb a{color:#0b5ca8;text-decoration:none}.sb-layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:48px;padding:48px 0}.sb-side{position:relative}.sb-toc{position:sticky;top:110px;border:1px solid var(--sb-line);border-radius:18px;padding:18px;background:#fff;display:grid;gap:9px}.sb-toc strong{color:var(--sb-navy);margin-bottom:6px}.sb-toc a{font-size:13px;color:#50647b;text-decoration:none}.sb-side-cta{display:grid;gap:6px;margin-top:16px;padding:18px;border-radius:18px;background:var(--sb-navy);color:#fff;text-decoration:none}.sb-content{font-size:17px;line-height:1.84}.sb-content h2{font-size:31px;line-height:1.2;color:#0a294d;margin:48px 0 16px}.sb-content p{margin:0 0 18px}.sb-answer,.sb-note{border-left:5px solid var(--sb-orange);background:#fff7ed;padding:20px 22px;border-radius:14px;margin:0 0 26px}.sb-info{width:100%;height:auto;border:1px solid var(--sb-line);border-radius:20px;margin:24px 0}.sb-formulas{display:grid;gap:10px;margin:18px 0}.sb-formulas code{padding:14px 16px;background:#f2f6fa;border:1px solid var(--sb-line);border-radius:12px;font-size:15px}.sb-steps,.sb-check{padding-left:22px}.sb-steps li,.sb-check li{margin:10px 0}.sb-table{overflow-x:auto;margin:24px 0}.sb-table table{width:100%;border-collapse:collapse;min-width:700px}.sb-table th,.sb-table td{padding:13px;border:1px solid var(--sb-line);text-align:left}.sb-table th{background:#eef4f9;color:#0a294d}.sb-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.sb-cards>div{border:1px solid var(--sb-line);border-radius:16px;padding:18px;background:#fff}.sb-content details{border:1px solid var(--sb-line);border-radius:14px;margin:10px 0;padding:0 16px}.sb-content summary{padding:15px 0;font-weight:700;cursor:pointer;color:#0a294d}.sb-sources a{color:#0b5ca8}.sb-cta{margin:48px auto;padding:28px;border-radius:24px;background:var(--sb-navy);color:#fff;display:flex;justify-content:space-between;gap:24px;align-items:center}.sb-cta h2{margin:8px 0}.sb-cta a{display:inline-block;background:#fff;color:#0a294d;text-decoration:none;padding:11px 14px;border-radius:12px;font-weight:800;margin:5px}.sb-related,.sb-library{padding:48px 0}.sb-heading{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:20px}.sb-heading h2{font-size:32px;color:#0a294d;margin:6px 0}.sb-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.sb-card{border:1px solid var(--sb-line);border-radius:20px;overflow:hidden;background:#fff;text-decoration:none;color:inherit;display:block;transition:.2s}.sb-card:hover{transform:translateY(-3px);box-shadow:0 16px 40px rgba(11,45,92,.10)}.sb-card img{width:100%;height:auto;aspect-ratio:1200/630;object-fit:cover;background:#f5f7fa}.sb-card>span,.sb-card>h2,.sb-card>h3,.sb-card>p,.sb-card>b{display:block;margin-left:16px;margin-right:16px}.sb-card>span{font-size:12px;color:#d85d00;font-weight:800;margin-top:14px}.sb-card h2,.sb-card h3{font-size:19px;line-height:1.3;color:#0a294d;margin-top:8px;margin-bottom:8px}.sb-card p{font-size:14px;line-height:1.6;color:#617187}.sb-card>b{font-size:13px;color:#d85d00;margin-bottom:16px}.sb-tools{display:grid;gap:16px;margin-bottom:14px}.sb-tools input{width:100%;padding:15px 17px;border:1px solid var(--sb-line);border-radius:14px;font:inherit}.sb-tools #sbFilters{display:flex;gap:8px;flex-wrap:wrap}.sb-tools button{border:1px solid var(--sb-line);background:#fff;padding:9px 12px;border-radius:999px;cursor:pointer}.sb-tools button.is-active{background:var(--sb-navy);color:#fff;border-color:var(--sb-navy)}#sbCount{color:var(--sb-muted)}
@media(max-width:900px){.sb-layout{grid-template-columns:1fr}.sb-side{display:none}.sb-grid{grid-template-columns:repeat(2,1fr)}.sb-cta{display:block}.sb-cards{grid-template-columns:1fr}.sb-content{font-size:16px}.sb-content h2{font-size:27px}}
@media(max-width:600px){.sb-shell{width:min(100% - 24px,1180px)}.sb-hub-hero,.sb-hero{padding:40px 0 32px}.sb-grid{grid-template-columns:1fr}.sb-hub-hero p,.sb-lead{font-size:17px}.sb-card h2,.sb-card h3{font-size:18px}}