.tc-header{margin-bottom:3rem;display:flex;flex-direction:column;gap:2rem}.tc-header-top{max-width:720px}.tc-header-meta{display:flex;flex-direction:column;gap:1.5rem;margin-top:0.5rem}.tc-pill-group{display:flex;flex-wrap:wrap;gap:0.5rem}.tc-layout{display:grid;grid-template-columns:minmax(0,2.1fr) minmax(0,3.2fr);gap:2.5rem;margin-top:2.5rem}.tc-sidebar{display:flex;flex-direction:column;gap:1.75rem;align-self:flex-start;position:sticky;top:5.5rem}.tc-toc{border-radius:var(--radius-lg);border:1px solid var(--color-border-subtle);background:var(--color-surface);box-shadow:var(--shadow-soft);padding:1.5rem 1.75rem}.tc-toc-title{font-size:var(--font-size-sm);letter-spacing:0.16em;text-transform:uppercase;margin-bottom:0.85rem}.tc-toc-list{display:flex;flex-direction:column;gap:0.4rem;font-size:var(--font-size-sm)}.tc-toc-list a{color:var(--color-text-muted)}.tc-toc-list a:hover{color:var(--color-primary)}.tc-help-title{font-size:var(--font-size-lg);margin-bottom:0.35rem}.tc-help-actions{display:flex;flex-wrap:wrap;gap:0.75rem;margin-top:0.75rem}.tc-content{display:flex;flex-direction:column;gap:2.5rem}.tc-section{padding:2rem 2.25rem;border-radius:var(--radius-xl);border:1px solid var(--color-border-subtle);background:var(--color-surface);box-shadow:var(--shadow-soft)}.tc-section h2{margin-bottom:0.75rem}.tc-subtitle{font-size:var(--font-size-xl);margin-top:1.25rem;margin-bottom:0.5rem}.tc-list{display:flex;flex-direction:column;gap:0.3rem;margin-top:0.25rem}.tc-list li{position:relative;padding-left:1.1rem;font-size:var(--font-size-sm);color:var(--color-text-muted)}.tc-list li::before{content:"";position:absolute;left:0.3rem;top:0.7rem;width:4px;height:4px;border-radius:999px;background:var(--color-primary)}.tc-definitions{display:flex;flex-direction:column;gap:1.25rem;margin-top:0.75rem}.tc-definition-item dt{font-weight:600;font-family:var(--font-sans);font-size:var(--font-size-sm);letter-spacing:0.08em;text-transform:uppercase;margin-bottom:0.15rem}.tc-definition-item dd{margin:0;font-size:var(--font-size-sm);color:var(--color-text-muted)}.tc-final-cta{margin-top:1.25rem;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:1.25rem}.tc-final-actions{display:flex;flex-wrap:wrap;gap:0.75rem}@media (max-width:1024px){.tc-layout{grid-template-columns:1fr;gap:2rem}.tc-sidebar{position:static}}@media (max-width:768px){.tc-section{padding:1.5rem 1.5rem}.tc-header{margin-bottom:2rem}.tc-toc{padding:1.25rem 1.35rem}.tc-final-cta{align-items:flex-start;flex-direction:column}}