.shell-header{z-index:20;border-radius:var(--radius-pill);-webkit-backdrop-filter:blur(18px)saturate(1.4);width:calc(100% - 40px);max-width:1160px;box-shadow:var(--shadow-nav);background:#ffffff9e;border:1px solid #fffffff2;align-items:center;gap:32px;margin:16px auto 0;padding:12px 22px;display:flex;position:sticky;top:16px}.shell-logo{letter-spacing:-.2px;color:var(--text-primary);flex:none;align-items:center;gap:10px;font-size:17px;font-weight:600;text-decoration:none;display:flex}.shell-logo-mark{border-radius:var(--radius-sm);background:linear-gradient(135deg, var(--color-brand-bright), var(--color-brand));width:32px;height:32px;color:var(--text-inverse);box-shadow:var(--shadow-card);flex:none;justify-content:center;align-items:center;display:flex}.shell-logo-mark svg{width:100%;height:100%}.shell-nav{flex:1;align-items:center;gap:0;display:flex}.shell-nav-group{position:relative}.shell-nav-trigger,.shell-nav-link{cursor:pointer;border-radius:var(--radius-pill);color:var(--color-slate);background:0 0;border:0;padding:8px 15px;font-family:inherit;font-size:14px;text-decoration:none}.shell-nav-trigger:hover,.shell-nav-group:focus-within .shell-nav-trigger,.shell-nav-link:hover{color:var(--color-brand);background:#0f172a0d}.shell-nav-menu{border-radius:var(--radius-lg);min-width:180px;box-shadow:var(--shadow-dialog);background:#fff;margin:0;padding:6px;list-style:none;display:none;position:absolute;top:100%;left:0}.shell-nav-group:hover .shell-nav-menu,.shell-nav-group:focus-within .shell-nav-menu{display:block}.shell-nav-menu a{border-radius:var(--radius-sm);color:var(--color-slate);white-space:nowrap;padding:8px 10px;font-size:13px;text-decoration:none;display:block}.shell-nav-menu a:hover{background:var(--color-line-2);color:var(--color-brand)}.shell-cta{border-radius:var(--radius-pill);background:linear-gradient(135deg, var(--color-brand-bright), var(--color-brand));color:var(--text-inverse);box-shadow:var(--shadow-card);flex:none;padding:9px 22px;font-size:13px;font-weight:700;text-decoration:none}.shell-nav-mobile{display:none}.shell-main{max-width:760px;margin:0 auto;padding:34px 24px 30px}.shell-breadcrumb{color:var(--color-mist);margin-bottom:16px;font-size:12px}.shell-breadcrumb a{color:var(--color-slate);text-decoration:none}.shell-breadcrumb a:hover{color:var(--color-brand)}.shell-breadcrumb-sep{margin:0 8px}.shell-footer{border-top:1px solid var(--color-bd);color:var(--color-slate-2);background:#fff;flex-wrap:wrap;align-items:center;gap:24px;padding:26px 48px 30px;font-size:13px;display:flex}.shell-footer-nav{flex-wrap:wrap;gap:20px;display:flex}.shell-footer a{color:var(--color-slate);text-decoration:none}.shell-footer a:hover{color:var(--color-brand)}.shell-footer-copy{color:var(--color-mist);font-family:var(--font-mono);flex-wrap:wrap;align-items:center;gap:8px;margin:0 0 0 auto;font-size:11px;display:flex}.seo-article{color:var(--text-primary)}.seo-eyebrow{font-family:var(--font-mono);letter-spacing:2.5px;color:var(--color-brand);font-size:11px;font-weight:600}.seo-article h1{letter-spacing:-.2px;margin:8px 0 10px;font-size:34px;font-weight:600}.seo-h1-accent{background:linear-gradient(135deg, var(--color-brand-bright), var(--color-brand) 60%, var(--color-brand-3));color:#0000;-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.seo-lead{color:var(--color-slate);margin:0 0 18px;font-size:15px;line-height:1.6}.content-grid{grid-template-columns:180px 1fr;align-items:start;gap:32px;display:grid}.content-toc{position:sticky;top:88px}.toc-title{color:var(--color-mist);letter-spacing:2.5px;text-transform:uppercase;margin:0 0 10px;font-size:12px;font-weight:700}.toc-list{flex-direction:column;gap:6px;margin:0;padding:0;list-style:none;display:flex}.toc-list a{color:var(--color-slate);padding:2px 0;font-size:13px;text-decoration:none;display:block}.toc-list a:hover,.toc-list li.on a{color:var(--color-brand);font-weight:600}.article{min-width:0}.article-section h2{letter-spacing:-.2px;margin:32px 0 12px;font-size:28px;font-weight:600;line-height:1.35}.article-section p{color:var(--color-slate);margin:0 0 14px;font-size:15px;line-height:1.6}.step-grid{flex-direction:column;gap:16px;margin:18px 0;display:flex}.step-card{align-items:flex-start;gap:12px;display:flex}.step-card .n{background:var(--color-brand);color:#fff;border-radius:50%;flex:none;justify-content:center;align-items:center;width:24px;height:24px;font-size:12px;font-weight:700;display:inline-flex}.step-card b{color:var(--color-ink);margin-bottom:4px;font-size:14px;font-weight:600;display:block}.step-card span{color:var(--color-slate-2);font-size:13px;line-height:1.5}.callout{background:var(--color-brand-tint);border:1px solid var(--color-bd);border-left:3px solid var(--color-brand);border-radius:var(--radius-sm);color:var(--color-slate);margin:18px 0;padding:14px 18px;font-size:13px;line-height:1.6}.callout b{color:var(--color-ink)}.faq{border:1px solid var(--color-bd);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);background:#fff;margin:16px 0;overflow:hidden}.faq-item{border-bottom:1px solid var(--color-line)}.faq-item:last-child{border-bottom:0}.faq-item summary{cursor:pointer;justify-content:space-between;align-items:center;padding:14px 18px;font-size:14px;font-weight:600;list-style:none;display:flex}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"+";color:var(--color-mist);margin-left:12px;font-size:16px;font-weight:600}.faq-item[open] summary:after{content:"−";color:var(--color-brand)}.faq-a{color:var(--color-slate-2);padding:0 18px 14px;font-size:13px;line-height:1.6}.related{border:1px solid var(--color-bd);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);background:#fff;margin:18px 0;padding:18px 20px}.related h4{margin:0 0 10px;font-size:16px}.related a{color:var(--color-brand);padding:4px 0;font-size:13px;text-decoration:none;display:block}.related a:hover{text-decoration:underline}.cta-card{border-radius:var(--radius-lg);background:linear-gradient(135deg, var(--color-brand-bright), var(--color-brand) 60%, var(--color-brand-3));color:#fff;box-shadow:var(--shadow-card);align-items:center;gap:18px;margin:24px 0;padding:22px 24px;display:flex}.cta-card .t{font-size:17px;font-weight:600}.cta-card .d{opacity:.85;font-size:13px;line-height:1.6}.cta-card .go{border-radius:var(--radius-pill);color:var(--color-brand);box-shadow:var(--shadow-card);background:#fff;flex:none;margin-left:auto;padding:10px 22px;font-size:14px;font-weight:700;text-decoration:none}.seo-directory{gap:12px;margin:0;padding:0;list-style:none;display:grid}.seo-directory-item{border:1px solid var(--color-bd);border-radius:var(--radius-md);box-shadow:var(--shadow-card);background:#fff;padding:16px}.seo-directory-item a{color:var(--color-ink);font-weight:600;text-decoration:none}.seo-directory-item a:hover{color:var(--color-brand)}.seo-directory-item p{color:var(--color-mist);margin:8px 0 0;font-size:14px}@media (max-width:768px){.shell-nav{display:none}.shell-nav-mobile{margin-left:auto;display:block}.shell-nav-mobile>summary{cursor:pointer;color:var(--text-primary);font-size:20px;list-style:none}.shell-nav-mobile nav{border-radius:var(--radius-lg);box-shadow:var(--shadow-dialog);background:#fff;padding:16px 20px;position:absolute;top:72px;left:0;right:0}.shell-nav-mobile nav a,.shell-nav-mobile nav summary{color:var(--color-slate);padding:8px 0;text-decoration:none;display:block}.shell-nav-mobile nav ul{margin:0 0 12px;padding-left:20px;list-style:none}.shell-main{padding:24px 20px 32px}.shell-footer{padding:20px}.shell-footer-copy{margin:0}.content-grid{grid-template-columns:1fr;gap:16px}.content-toc{position:static}.toc-list{flex-flow:wrap;gap:12px}}