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a{color:#fff9;min-height:32px;transition:color var(--transition-fast);align-items:center;text-decoration:none;display:inline-flex}.pt-crumb a:hover,.pt-crumb [aria-current]{color:#fff}.pt-eyebrow{font-size:14px;font-weight:var(--font-weight-medium);color:#7fd0f3;margin:0 0 16px}.patients .pt-title{max-width:20ch;font-family:var(--font-display), var(--font-sans);letter-spacing:-.02em;text-wrap:balance;color:#fff;margin:0;font-size:clamp(36px,4.6vw,64px);font-weight:500;line-height:1.06}.pt-hero--guide .pt-title{max-width:22ch}.pt-lede{color:#ffffffd1;max-width:60ch;margin:24px 0 0;font-size:clamp(17px,.5vw + 15px,20px);font-weight:300;line-height:1.6}.pt-notice{color:#fff9;border-top:1px solid #ffffff24;max-width:60ch;margin:28px 0 0;padding-top:20px;font-size:14px;line-height:1.6}.pt-meta{color:#fff9;flex-wrap:wrap;align-items:center;gap:8px;margin:28px 0 0;font-size:14px;display:flex}.pt-urgent-band{background:var(--bg-primary);padding:clamp(32px,4vw,56px) 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0}.pt-section--grey{background:var(--bg-secondary)}.pt-section--navy{isolation:isolate;background:var(--pt-ink);color:#fff;position:relative;overflow:hidden}.pt-section--navy:before{content:"";z-index:-1;background:radial-gradient(50% 80% at 10% 0,#009fe32e,#009fe300 70%);position:absolute;inset:0}.pt-head{border-bottom:1px solid var(--border-light);grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:end;gap:32px;margin-bottom:40px;padding-bottom:32px;display:grid}.pt-head p{max-width:52ch;color:var(--text-secondary);margin:0;font-size:17px;line-height:1.6}.patients .pt-h2{font-family:var(--font-display), var(--font-sans);letter-spacing:-.015em;color:var(--text-primary);margin:0;font-size:clamp(32px,4vw,52px);font-weight:500;line-height:1.08}.patients .pt-h2--small{margin-bottom:32px;font-size:clamp(26px,2.6vw,36px)}.patients .pt-h3{font-family:var(--font-display), 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span{background:var(--pt-ink);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:24px;height:24px;font-size:12px;font-weight:600;display:inline-flex}.pt-related{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px;margin:0;padding:0;list-style:none;display:grid}.pt-related a{border:1px solid var(--border-light);height:100%;color:var(--text-primary);transition:border-color var(--transition-fast);background:#fff;border-radius:16px;grid-template-columns:auto 1fr auto;align-items:center;gap:14px;padding:20px 22px;font-size:16px;font-weight:500;line-height:1.35;text-decoration:none;display:grid}.pt-related a:hover{border-color:var(--primary-color)}.pt-related a>svg:first-child{color:var(--primary-color)}.pt-related__arrow{color:var(--text-muted)}.pt-related__cta{border-top:1px solid var(--border-light);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:24px;margin-top:48px;padding-top:32px;display:flex}.pt-related__cta p{max-width:70ch;color:var(--text-secondary);margin:0;font-size:15px;line-height:1.65}@media (width<=1024px){.pt-guides{grid-template-columns:repeat(2,minmax(0,1fr))}.pg-layout{grid-template-columns:minmax(0,1fr)}.pg-toc nav{background:var(--pt-tile);border-radius:16px;padding:20px 24px;position:static}.pg-toc ol{columns:2;border:0;column-gap:24px}.pg-toc a{break-inside:avoid;border:0;padding-inline-start:0}.pfig{grid-template-columns:1fr}}@media (width<=720px){.pt-head,.pt-two,.pt-role,.pg-cards,.pt-guides,.pt-urgent,.pt-urgent ul{grid-template-columns:1fr}.pg-toc ol{columns:1}.pfig--ventricles ol{grid-template-columns:1fr}.pg-p{font-size:16px}}[dir=rtl] .pt-guide__cta svg,[dir=rtl] .pt-related__arrow{transform:scaleX(-1)}