.tll{--navy:#1e3a8a;--blue:#3b82f6;--ink:#0f172a;--muted:#475569;--border:#e2e8f0;--surface-muted:#f8fafc;color:var(--ink);font-family:var(--font-geist-sans,"Geist"),"Geist",system-ui,-apple-system,"Segoe UI",sans-serif;-webkit-font-smoothing:antialiased;background:#fff}.tll *,.tll :before,.tll :after{box-sizing:border-box}.tll .container{max-width:1100px;margin:0 auto;padding-left:24px;padding-right:24px}.tll .hero{background:var(--navy);color:#fff;background-image:linear-gradient(#ffffff0d 1px,#0000 1px),linear-gradient(90deg,#ffffff0d 1px,#0000 1px);background-size:40px 40px;padding-top:144px;padding-bottom:56px}.tll .hero-title{letter-spacing:-.02em;text-wrap:balance;margin:0;font-size:48px;font-weight:700;line-height:1.1}.tll .hero-date{color:#dbe5ff;margin:14px 0 0;font-size:14px}.tll .layout{grid-template-columns:220px minmax(0,1fr);gap:56px;padding-top:56px;padding-bottom:80px;display:grid}.tll .toc{flex-direction:column;align-self:start;gap:12px;display:flex;position:sticky;top:96px}.tll .toc-title{letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-size:12px;font-weight:600}.tll .toc nav{border-left:1px solid var(--border);flex-direction:column;gap:6px;padding-left:14px;display:flex}.tll .toc a{color:var(--muted);font-size:14px;line-height:1.4;text-decoration:none}.tll .toc a:hover{color:var(--navy)}.tll .content{min-width:0;max-width:720px}.tll .content section{border-bottom:1px solid var(--border);margin-bottom:28px;padding-bottom:28px;scroll-margin-top:96px}.tll .content section:last-of-type{border-bottom:none}@media (max-width:820px){.tll .hero-title{font-size:34px}.tll .layout{grid-template-columns:1fr;gap:28px}.tll .toc{position:static}}