.tc-main{background:transparent}.tc-hero{padding-top:var(--section-vertical-padding);padding-bottom:2.5rem;border-bottom:1px solid var(--color-border-soft);background:radial-gradient(circle at top left,#f8f6f0 0,#fdfbf7 45%,#fff 100%)}.tc-hero-container{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1.4fr);gap:var(--space-8);align-items:flex-start}.tc-hero-text{max-width:40rem}.tc-meta{display:flex;flex-wrap:wrap;gap:0.5rem;margin-top:var(--space-4)}.tc-hero-aside{position:relative}.tc-card-nav{position:sticky;top:calc(var(--header-banner-height) + var(--header-main-height) + 1.5rem)}.tc-link-list{display:flex;flex-direction:column;gap:0.35rem;font-size:0.9rem}.tc-link-item{display:inline-flex;align-items:center;justify-content:space-between;gap:0.75rem;padding:0.45rem 0;border-bottom:1px solid rgba(214,211,209,0.7);color:var(--color-neutral-700);transition:color var(--transition-base),border-color var(--transition-base)}.tc-link-item::after{content:"→";font-size:0.75rem;color:var(--color-neutral-500);transition:transform var(--transition-fast),color var(--transition-base)}.tc-link-item:hover{color:var(--color-primary);border-color:var(--color-primary)}.tc-link-item:hover::after{transform:translateX(2px);color:var(--color-primary)}.tc-content{padding-top:2.5rem;padding-bottom:var(--section-vertical-padding)}.tc-layout{display:grid;grid-template-columns:minmax(0,0.9fr) minmax(0,2.1fr);gap:var(--space-10)}.tc-toc-title{font-size:var(--font-size-base);letter-spacing:0.18em;text-transform:uppercase;margin-bottom:var(--space-3);font-family:var(--font-sans)}.tc-toc-list{display:flex;flex-direction:column;gap:0.35rem;font-size:0.9rem;color:var(--color-neutral-700)}.tc-toc-list a{display:inline-flex;gap:0.4rem;padding:0.25rem 0;border-bottom:1px solid transparent}.tc-toc-list a:hover{border-color:var(--color-primary-soft);color:var(--color-primary)}.tc-articles{display:flex;flex-direction:column;gap:var(--space-8)}.tc-article h2{font-size:1.4rem;margin-bottom:var(--space-3)}.tc-article p{font-size:0.95rem}.tc-bullet-list{display:flex;flex-direction:column;gap:0.3rem;font-size:0.95rem;color:var(--color-text-muted)}.tc-bullet-list li{position:relative;padding-left:1.1rem}.tc-bullet-list li::before{content:"";position:absolute;left:0.25rem;top:0.55rem;width:6px;height:6px;border-radius:999px;background:var(--color-primary)}.tc-inline-link{color:var(--color-primary);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}.tc-inline-link:hover{color:#c2410c}.tc-cta{margin-top:var(--space-4)}.tc-cta-card .card-body p{font-size:0.95rem}.tc-cta-actions{display:flex;flex-wrap:wrap;gap:0.75rem}@media (max-width:1024px){.tc-hero-container{grid-template-columns:minmax(0,1.3fr) minmax(0,1.2fr)}.tc-layout{grid-template-columns:minmax(0,1fr) minmax(0,1.6fr)}}@media (max-width:768px){.tc-hero-container{grid-template-columns:1fr}.tc-card-nav{position:static}.tc-layout{grid-template-columns:1fr;gap:var(--space-6)}.tc-toc{order:-1;border-radius:var(--radius-lg);border:1px solid var(--color-border-soft);background:rgba(248,246,240,0.75);padding:var(--space-4)}.tc-content{padding-top:2rem}}@media (max-width:640px){.tc-hero{padding-bottom:2rem}.tc-articles{gap:var(--space-6)}.tc-article h2{font-size:1.25rem}}