/* Hub V351 detailed guide expansion - preserves locked Hub design */
.hub351-wrap{background:#f7fbff;color:#102033}.hub351-inner{width:min(1160px,92vw);margin:0 auto}.hub351-hero{background:linear-gradient(135deg,#071523 0%,#0a315f 54%,#11294a 100%);color:#fff;padding:68px 0 54px;position:relative;overflow:hidden}.hub351-hero:after{content:"";position:absolute;inset:auto -10% -45% 45%;height:260px;background:radial-gradient(circle,rgba(41,139,255,.24),transparent 68%);pointer-events:none}.hub351-breadcrumb{font-size:.9rem;opacity:.82;margin-bottom:18px}.hub351-breadcrumb a{color:#a9d6ff}.hub351-kicker{display:inline-flex;align-items:center;gap:8px;text-transform:uppercase;letter-spacing:.13em;font-weight:800;font-size:.76rem;color:#42c8ff}.hub351-hero h1{font-size:clamp(2.25rem,5vw,4.4rem);line-height:.98;margin:12px 0 16px;max-width:980px}.hub351-hero p{font-size:1.12rem;line-height:1.75;max-width:850px;color:#dcecff}.hub351-search{display:flex;gap:10px;margin:28px 0 20px;max-width:760px}.hub351-search input{flex:1;border:1px solid rgba(255,255,255,.25);border-radius:16px;padding:15px 16px;background:rgba(255,255,255,.12);color:#fff}.hub351-search input::placeholder{color:#d7e7ff}.hub351-search button,.hub351-btn{border:0;border-radius:999px;padding:14px 18px;background:#26a9ff;color:#04101c;font-weight:900;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;box-shadow:0 12px 28px rgba(38,169,255,.22)}.hub351-btn.purple{background:#8b5cf6;color:#fff}.hub351-btn.dark{background:#0f1f34;color:#fff;border:1px solid rgba(255,255,255,.18)}.hub351-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}.hub351-section{padding:44px 0}.hub351-band{background:#eaf4ff}.hub351-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px}.hub351-grid.two{grid-template-columns:repeat(auto-fit,minmax(330px,1fr))}.hub351-card{background:#fff;border:1px solid rgba(12,50,85,.12);border-radius:24px;padding:24px;box-shadow:0 18px 44px rgba(7,25,46,.08);text-decoration:none;color:#102033;display:block}.hub351-card small{display:block;text-transform:uppercase;letter-spacing:.11em;color:#2877b8;font-weight:900;margin-bottom:8px}.hub351-card h2,.hub351-card h3{margin:.15rem 0 .7rem;color:#071d33}.hub351-card p,.hub351-card li{line-height:1.68;color:#37516b}.hub351-card ul,.hub351-card ol{padding-left:1.2rem}.hub351-note{border-left:4px solid #26a9ff;background:#edf8ff;padding:12px 14px;border-radius:12px}.hub351-table-wrap{overflow:auto;border-radius:22px;box-shadow:0 18px 44px rgba(7,25,46,.08)}.hub351-table{width:100%;border-collapse:collapse;background:#fff}.hub351-table th{background:#0e2b4a;color:#fff;text-align:left}.hub351-table th,.hub351-table td{padding:15px;border-bottom:1px solid rgba(12,50,85,.1);vertical-align:top}.hub351-table td:first-child{font-weight:800;color:#0a315f;width:28%}.hub351-mini-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}.hub351-mini{background:#fff;border:1px solid rgba(12,50,85,.12);border-radius:18px;padding:16px;text-decoration:none;color:#102033;display:flex;flex-direction:column;gap:6px}.hub351-mini strong{color:#0a315f}.hub351-mini span{font-size:.92rem;color:#526980}.hub351-section h2{font-size:clamp(1.65rem,3vw,2.5rem);margin:.3rem 0 1rem;color:#071d33}.hub351-section p{line-height:1.72}@media(max-width:720px){.hub351-search{flex-direction:column}.hub351-grid.two{grid-template-columns:1fr}.hub351-hero{padding:46px 0}.hub351-card{padding:20px}.hub351-table td:first-child{width:auto}.hub351-actions{flex-direction:column;align-items:stretch}}