.lg-head{position:relative;overflow:hidden;padding-block:clamp(36px,4.5vw,64px) clamp(24px,3vw,36px);background:var(--bg-elevated)}.lg-head__bg-gradient{position:absolute;inset:0;background:radial-gradient(ellipse 60% 55% at 70% 30%,rgba(10,189,227,.07) 0%,transparent 70%),radial-gradient(ellipse 50% 50% at 8% 85%,rgba(200,206,217,.12) 0%,transparent 60%);pointer-events:none}.lg-head__bg-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(10,189,227,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(10,189,227,.05) 1px,transparent 1px);background-size:48px 48px;-webkit-mask-image:radial-gradient(ellipse 70% 70% at 60% 30%,black 0%,transparent 70%);mask-image:radial-gradient(ellipse 70% 70% at 60% 30%,black 0%,transparent 70%);pointer-events:none}.lg-head__inner{position:relative;z-index:1;max-width:1000px;margin-inline:auto}.lg-head__back{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:var(--text-muted);text-decoration:none;margin-bottom:24px;transition:color .18s,gap .18s}.lg-head__back:hover{color:var(--accent);gap:9px}.lg-head__eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);margin-bottom:18px}.lg-head__eyebrow-dot{width:6px;height:6px;border-radius:50%;background:var(--accent);animation:pulse 2s ease-in-out infinite}.lg-head__title{font-size:clamp(30px,4.4vw,50px);font-weight:800;line-height:1.1;letter-spacing:-.03em;color:var(--text-primary);margin-bottom:14px}.lg-head__updated{font-size:14px;color:var(--text-muted)}.lg-body{padding-block:clamp(32px,4vw,56px)}.lg-body__inner{display:grid;grid-template-columns:220px minmax(0,720px);gap:56px;justify-content:center}@media (max-width: 1024px){.lg-body__inner{grid-template-columns:minmax(0,760px);justify-content:center}.lg-toc{display:none}}.lg-toc__sticky{position:sticky;top:96px}.lg-toc__label{display:flex;align-items:center;gap:7px;font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--text-muted);margin-bottom:16px}.lg-toc nav ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:1px;border-left:2px solid var(--chrome-1)}.lg-toc nav a{display:block;padding:7px 0 7px 16px;margin-left:-2px;border-left:2px solid transparent;font-size:13px;line-height:1.4;color:var(--text-muted);text-decoration:none;transition:color .18s,border-color .18s}.lg-toc nav a:hover{color:var(--text-body)}.lg-toc nav a.is-active{color:var(--accent);border-left-color:var(--accent);font-weight:600}.lg-prose{font-size:16px;line-height:1.78;color:var(--text-body)}.lg-prose>p{margin:0 0 20px;max-width:70ch}.lg-prose>p:first-child{font-size:17px;color:var(--text-primary)}.lg-prose strong{color:var(--text-primary);font-weight:700}.lg-prose h2{font-size:clamp(19px,2.4vw,25px);font-weight:800;letter-spacing:-.02em;color:var(--text-primary);line-height:1.3;margin:40px 0 14px;padding-top:4px;scroll-margin-top:90px}.lg-prose h2:first-child{margin-top:0}.lg-prose h3{font-size:16px;font-weight:700;color:var(--text-primary);margin:24px 0 8px}.lg-prose a:not(.btn){color:var(--accent-dim);text-decoration:underline;text-underline-offset:2px;text-decoration-thickness:1px}.lg-prose a:not(.btn):hover{color:var(--accent)}.lg-prose ul{list-style:none;padding:0;margin:0 0 22px;display:flex;flex-direction:column;gap:11px;max-width:70ch}.lg-prose ul li{position:relative;padding-left:24px;line-height:1.7}.lg-prose ul li:before{content:"";position:absolute;left:3px;top:11px;width:6px;height:6px;border-radius:50%;background:var(--accent)}.lg-prose ul li strong{color:var(--text-primary)}.lg-prose .lg-note{margin:32px 0 8px;padding:22px 24px;background:linear-gradient(145deg,rgba(10,189,227,.05) 0%,var(--bg-surface) 100%);border:1px solid var(--chrome-1);border-left:3px solid var(--accent);border-radius:var(--radius-card)}.lg-prose .lg-note p{margin:0;font-size:14.5px;max-width:none}.lg-prose .lg-note p+p{margin-top:8px}.lg-prose .lg-note p:first-child{color:var(--text-primary)}.lg-cta{padding-block:var(--section-py)}.lg-cta__inner{max-width:620px;margin-inline:auto;text-align:center}.lg-cta__title{font-size:clamp(22px,3vw,32px);font-weight:800;color:#fffffff2;letter-spacing:-.025em;margin-bottom:12px;line-height:1.2}.lg-cta__sub{font-size:15px;color:#ffffff80;line-height:1.65;margin-bottom:32px}.lg-cta__actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}@media (max-width: 480px){.lg-cta__actions{flex-direction:column;align-items:stretch}.lg-cta__actions .btn{width:100%;justify-content:center}}