.lg-hero{padding:clamp(48px,7vw,96px) 0 clamp(32px,4vw,56px);border-bottom:1px solid var(--border);background:radial-gradient(circle at 85% 0,var(--accent-glow),transparent 45%),var(--background)}.lg-label{font-size:12px;font-weight:700;letter-spacing:.2em;color:var(--accent)}.lg-hero h1{margin:14px 0 12px;font-size:clamp(34px,5vw,56px);font-weight:800;letter-spacing:-.02em;line-height:1.08;color:var(--foreground)}.lg-hero p{margin:0;color:var(--muted-light)}.lg-layout{display:grid;grid-template-columns:280px 1fr;gap:56px;align-items:start;padding:56px 0 96px}.lg-toc{position:sticky;top:112px;display:grid;gap:14px;padding:22px;border:1px solid var(--border);border-radius:16px;background:var(--surface)}.lg-toc>span{font-size:12px;font-weight:700;letter-spacing:.16em;color:var(--muted-light)}.lg-toc ol{margin:0;padding:0;list-style:none;display:grid;gap:10px}.lg-toc a{font-size:14px;line-height:1.4;color:var(--foreground-soft);transition:color .2s}.lg-toc a:hover{color:var(--accent)}.lg-body{max-width:820px}.lg-body section{scroll-margin-top:110px;padding-bottom:36px;margin-bottom:36px;border-bottom:1px solid var(--border)}.lg-body section:last-child{border:0}.lg-body h2{margin:0 0 16px;font-size:clamp(21px,2.4vw,26px);color:var(--foreground)}.lg-body li,.lg-body p{font-size:16px;line-height:1.8;color:var(--muted-light)}.lg-body p,.lg-body ul{margin:0 0 14px}.lg-body ul{padding-left:22px;display:grid;gap:10px}.lg-body li::marker{color:var(--accent)}.lg-body strong{color:var(--foreground)}.lg-body a{color:var(--accent);text-decoration:underline;text-underline-offset:3px;word-break:break-word}@media (max-width:960px){.lg-layout{grid-template-columns:1fr;gap:32px}.lg-toc{position:static}}