.lg{position:relative}.lg-progress{position:fixed;top:0;left:0;height:3px;width:0;background:linear-gradient(90deg,var(--blue),#19c8ff 60%,var(--gold));z-index:60;transition:width .1s linear;border-radius:0 3px 3px 0}.lg-hero{position:relative;overflow:hidden;padding:84px 0 72px;background:linear-gradient(125deg,#081d3d 0%,var(--navy) 55%,var(--navy-2) 100%);color:#fff}.lg-hero-glow{position:absolute;inset:-60% -20% auto;height:520px;pointer-events:none;background:radial-gradient(45% 55% at 30% 50%,rgba(25,123,255,.42),transparent 70%),radial-gradient(35% 45% at 78% 40%,rgba(245,185,66,.18),transparent 70%)}.lg-hero .container{position:relative;z-index:1}.lg-kicker{display:inline-block;text-transform:uppercase;letter-spacing:3px;font-size:.72rem;font-weight:800;color:#8ec9ff;margin-bottom:14px}.lg-hero h1{color:#fff;max-width:15ch;font-size:clamp(2.2rem,5.5vw,3.6rem)}.lg-chips{display:flex;gap:9px;flex-wrap:wrap;margin-top:26px}.lg-chip{font-size:.76rem;font-weight:800;padding:8px 16px;border-radius:999px;color:#d9e6f7;background:#ffffff17;border:1px solid rgba(255,255,255,.18);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}.lg-chip-solid{background:linear-gradient(120deg,var(--blue),#19c8ff);border-color:transparent;color:#fff;box-shadow:0 8px 22px #197bff57}.lg-body{padding-top:54px}.lg-grid{display:grid;grid-template-columns:232px minmax(0,1fr);gap:52px;align-items:start}.lg-toc{position:sticky;top:96px}.lg-toc-head{font-size:.7rem;font-weight:800;text-transform:uppercase;letter-spacing:2.5px;color:var(--muted);margin:0 0 14px}.lg-toc ol{list-style:none;margin:0;padding:0;border-left:2px solid var(--line)}.lg-toc li{counter-increment:lgtoc}.lg-toc a{display:block;padding:8px 0 8px 16px;margin-left:-2px;border-left:2px solid transparent;color:var(--muted);text-decoration:none;font-size:.87rem;font-weight:700;line-height:1.35;transition:color .2s,border-color .2s,transform .2s}.lg-toc a:hover{color:var(--blue);transform:translate(2px)}.lg-toc a.is-on{color:var(--navy);border-left-color:var(--blue)}.lg-toc-cta{display:inline-block;margin-top:22px;font-size:.84rem;font-weight:800;color:var(--accent);text-decoration:none}.lg-toc-cta:hover{text-decoration:underline}.lg-doc{max-width:68ch}.lg-intro{font-size:clamp(1.06rem,1.7vw,1.22rem);line-height:1.7;color:var(--ink);padding:22px 26px;border-radius:var(--radius-lg);margin:0 0 12px;background:linear-gradient(#fff,#fff) padding-box,linear-gradient(135deg,var(--blue),rgba(25,200,255,.45)) border-box;border:1.5px solid transparent;box-shadow:var(--shadow-sm)}.lg-sec{scroll-margin-top:100px;padding-top:34px}.lg-sec-head{display:flex;gap:16px;align-items:baseline;margin-bottom:4px}.lg-sec-n{flex:none;font-family:var(--font-display);font-size:1.5rem;font-weight:800;line-height:1;letter-spacing:-.03em;background:linear-gradient(135deg,var(--blue),#19c8ff);-webkit-background-clip:text;background-clip:text;color:transparent}.lg-sec h2{margin:0;font-size:clamp(1.24rem,2.3vw,1.6rem);scroll-margin-top:100px}.lg-anchor{margin-left:10px;color:var(--line);text-decoration:none;font-weight:800;opacity:0;transition:opacity .2s,color .2s}.lg-sec:hover .lg-anchor{opacity:1}.lg-anchor:hover{color:var(--blue)}.lg-doc p{color:var(--muted);line-height:1.75;font-size:1rem}.lg-doc .lg-intro{color:var(--ink)}.lg-defs{margin:16px 0 4px;display:grid;gap:10px}.lg-def{padding:15px 18px;border-radius:14px;background:var(--bg-soft);border:1px solid var(--line);border-left:3px solid var(--blue)}.lg-def dt{font-weight:800;color:var(--navy);font-size:.95rem;margin-bottom:3px}.lg-def dd{margin:0;color:var(--muted);font-size:.95rem;line-height:1.65}.lg-list{margin:12px 0 4px;padding-left:0;list-style:none;display:grid;gap:8px}.lg-list li{position:relative;padding-left:26px;color:var(--muted);line-height:1.7;font-size:1rem}.lg-list li:before{content:"";position:absolute;left:6px;top:.62em;width:7px;height:7px;border-radius:2px;transform:rotate(45deg);background:linear-gradient(135deg,var(--blue),#19c8ff)}.lg-callout{margin:18px 0 6px;padding:18px 22px;border-radius:15px;background:linear-gradient(150deg,#f5b94217,#fff0) padding-box,linear-gradient(150deg,#f5b942b3,#197bff47) border-box;border:1.5px solid transparent}.lg-callout strong{display:block;color:var(--navy);font-family:var(--font-display);font-size:1.02rem;margin-bottom:5px}.lg-callout p{margin:0}.lg-note{margin-top:34px;padding:16px 20px;border-radius:13px;background:var(--bg-soft);border:1px dashed var(--line);font-size:.88rem!important;color:var(--muted)}.lg-foot{display:flex;align-items:center;justify-content:space-between;gap:22px;flex-wrap:wrap;margin-top:44px;padding:26px 28px;border-radius:var(--radius-lg);background:linear-gradient(150deg,var(--navy),var(--navy-2))}.lg-foot .section-label{margin-bottom:4px}.lg-foot p{margin:0;color:#d9e6f7!important}.lg-foot a{color:#8ec9ff}.lg-foot .btn{color:#fff}@media(max-width:900px){.lg-grid{grid-template-columns:1fr;gap:30px}.lg-toc{position:static;background:#fff;border:1.5px solid var(--line);border-radius:15px;padding:18px 20px}.lg-doc{max-width:none}}@media(prefers-reduced-motion:reduce){.lg-progress{transition:none}.lg-toc a:hover{transform:none}}@media print{.lg-progress,.lg-toc,.lg-foot,.site-header,.site-footer,.floating-magnet{display:none!important}.lg-hero{background:none;color:#000;padding:0 0 18px}.lg-hero h1,.lg-kicker{color:#000}.lg-grid{display:block}.lg-doc{max-width:none}.lg-sec{page-break-inside:avoid}}