:root{--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:20px;--space-6:24px;--space-8:32px;--space-10:40px;--space-12:48px;--space-16:64px;--text-xs:0.75rem;--text-sm:0.875rem;--text-base:1rem;--text-lg:1.125rem;--text-xl:1.25rem;--text-2xl:1.5rem;--text-3xl:1.875rem;--text-4xl:2.25rem;--touch-min:44px;--touch-comfortable:48px;--container-padding:16px;--container-max:1080px;--transition-fast:150ms ease;--transition-base:200ms ease;--transition-slow:300ms ease;--radius-2xs:2px;--radius-xs:4px;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius:var(--radius-md);--max:var(--container-max);--brand:#7c5cff;--brand-2:#00d4ff}@media(min-width:768px){:root{--container-padding:24px}}@media(min-width:1024px){:root{--container-padding:32px}}:root,[data-theme=dark]{--bg:#0d1117;--panel:#161b22;--text:#f0f2f8;--muted:#8b949e;--border:rgba(240, 246, 252, 0.1);--shadow:0 10px 30px rgba(0, 0, 0, 0.35);--header-bg:rgba(11, 16, 32, 0.7);--card-bg:rgba(255, 255, 255, 0.03);--code-bg:rgba(255, 255, 255, 0.06);--pre-bg:rgba(0, 0, 0, 0.25);--hover-bg:rgba(255, 255, 255, 0.02);--btn-secondary-bg:rgba(255, 255, 255, 0.06);--search-close-bg:rgba(255, 255, 255, 0.1);--search-backdrop:rgba(0, 0, 0, 0.7);--footer-bg:rgba(22, 27, 34, 0.9);--hero-gradient-1:rgba(124, 92, 255, 0.22);--hero-gradient-2:rgba(0, 212, 255, 0.12);--hero-glow:rgba(124, 92, 255, 0.18);--table-header-bg:#1c2128;--table-row-bg:#161b22}[data-theme=light]{--bg:#ffffff;--panel:#f6f8fa;--text:#1f2328;--muted:#57606a;--border:rgba(31, 35, 40, 0.18);--shadow:0 10px 30px rgba(0, 0, 0, 0.1);--header-bg:rgba(255, 255, 255, 0.85);--card-bg:rgba(31, 35, 40, 0.03);--code-bg:rgba(0, 0, 0, 0.05);--pre-bg:#f6f8fa;--hover-bg:rgba(31, 35, 40, 0.04);--btn-secondary-bg:rgba(0, 0, 0, 0.05);--search-close-bg:rgba(0, 0, 0, 0.08);--search-backdrop:rgba(0, 0, 0, 0.5);--footer-bg:#f6f8fa;--hero-gradient-1:rgba(124, 92, 255, 0.16);--hero-gradient-2:rgba(0, 212, 255, 0.1);--hero-glow:rgba(124, 92, 255, 0.12);--table-header-bg:#eaeef2;--table-row-bg:#f6f8fa}@media(prefers-color-scheme:light){:root:not([data-theme]){--bg:#ffffff;--panel:#f6f8fa;--text:#1f2328;--muted:#57606a;--border:rgba(31, 35, 40, 0.18);--shadow:0 10px 30px rgba(0, 0, 0, 0.1);--header-bg:rgba(255, 255, 255, 0.85);--card-bg:rgba(31, 35, 40, 0.03);--code-bg:rgba(0, 0, 0, 0.05);--pre-bg:#f6f8fa;--hover-bg:rgba(31, 35, 40, 0.04);--btn-secondary-bg:rgba(0, 0, 0, 0.05);--search-close-bg:rgba(0, 0, 0, 0.08);--search-backdrop:rgba(0, 0, 0, 0.5);--footer-bg:#f6f8fa;--hero-gradient-1:rgba(124, 92, 255, 0.16);--hero-gradient-2:rgba(0, 212, 255, 0.1);--hero-glow:rgba(124, 92, 255, 0.12);--table-header-bg:#eaeef2;--table-row-bg:#f6f8fa}}*{box-sizing:border-box}html{font-size:16px}html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,apple color emoji,segoe ui emoji;line-height:1.6}@media(min-width:768px){body{line-height:1.7}}body::before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none}[data-theme=dark] body::before,:root:not([data-theme]) body::before{background:radial-gradient(1200px 600px at 20% 0%,rgba(124,92,255,.25),transparent 60%),radial-gradient(1200px 600px at 80% 10%,rgba(0,212,255,.18),transparent 55%)}@media(prefers-color-scheme:light){:root:not([data-theme]) body::before{background:radial-gradient(1200px 600px at 20% 0%,rgba(124,92,255,8%),transparent 60%),radial-gradient(1200px 600px at 80% 10%,rgba(0,212,255,6%),transparent 55%)}}[data-theme=light] body::before{background:radial-gradient(1200px 600px at 20% 0%,rgba(124,92,255,8%),transparent 60%),radial-gradient(1200px 600px at 80% 10%,rgba(0,212,255,6%),transparent 55%)}a{color:inherit;text-decoration:none}a:hover{text-decoration:underline}.container{max-width:var(--container-max);margin:0 auto;padding-left:calc(var(--container-padding) + env(safe-area-inset-left));padding-right:calc(var(--container-padding) + env(safe-area-inset-right))}.skip-link{position:absolute;left:-999px;top:10px;padding:10px 12px;border-radius:var(--radius-sm);background:var(--panel);border:1px solid var(--border)}.skip-link:focus{left:12px;z-index:999}.header{position:sticky;top:0;z-index:50;border-bottom:1px solid var(--border);background:0 0}.header::before{content:"";position:absolute;inset:0;background:var(--header-bg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);z-index:0}.header-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:flex-start;gap:var(--space-4);min-height:72px}.header-actions{display:inline-flex;align-items:center;gap:var(--space-2);margin-left:auto}.brand{display:inline-flex;align-items:center;flex-shrink:0}.brand-link{font-weight:800;letter-spacing:.3px;text-decoration:none}.nav-toggle{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--border);background:var(--btn-secondary-bg);color:var(--text);padding:10px 12px;border-radius:var(--radius-sm);cursor:pointer;transition:background var(--transition-fast),color var(--transition-fast)}.nav-toggle:hover{background:var(--code-bg);color:var(--text)}.nav-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.55);opacity:0;visibility:hidden;pointer-events:none;transition:opacity var(--transition-base),visibility var(--transition-base);z-index:99}.nav-backdrop.is-visible{opacity:1;visibility:visible;pointer-events:auto}.nav{position:fixed;top:0;right:0;bottom:0;width:min(320px,85vw);background:var(--bg);transform:translateX(100%);visibility:hidden;pointer-events:none;transition:transform var(--transition-slow),visibility 0s linear 300ms;z-index:100;padding:calc(var(--space-16) + env(safe-area-inset-top))var(--space-6)calc(var(--space-8) + env(safe-area-inset-bottom));overflow-y:auto;-webkit-overflow-scrolling:touch;border-left:1px solid var(--border);box-shadow:-8px 0 32px rgba(0,0,0,.2)}.nav.is-open{transform:translateX(0);visibility:visible;pointer-events:auto;transition:transform var(--transition-slow),visibility 0s linear 0s}.nav-close{position:absolute;top:calc(var(--space-4) + env(safe-area-inset-top));right:var(--space-4);display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border:1px solid var(--border);background:var(--panel);color:var(--muted);border-radius:var(--radius-sm);font-size:18px;line-height:1;cursor:pointer;transition:background var(--transition-fast),color var(--transition-fast)}.nav-close:hover{background:var(--hover-bg);color:var(--text)}.nav-group-title{font-size:var(--text-xs);font-weight:600;letter-spacing:.05em;text-transform:uppercase;color:var(--muted);padding:var(--space-4)var(--space-3)var(--space-2);margin-top:var(--space-4)}.nav-group-title:first-child{margin-top:0}.nav-list{display:flex;flex-direction:column;gap:var(--space-1);align-items:stretch;list-style:none;margin:0;padding:0}.nav-link{display:flex;align-items:center;width:100%;padding:var(--space-3)var(--space-4);border-radius:var(--radius);font-size:var(--text-base);font-weight:500;color:var(--text);transition:background var(--transition-fast)}.nav-link:hover{background:var(--hover-bg);text-decoration:none}.nav-link.is-active{color:var(--brand);opacity:1}@media(min-width:768px){.nav-toggle{display:none}.nav-backdrop{display:none}.nav-close{display:none}.brand{padding-right:var(--space-4);border-right:1px solid var(--border)}.nav{position:static;inset:auto;width:auto;transform:none;transition:none;visibility:visible;pointer-events:auto;background:0 0;padding:0;overflow:visible;border:0;box-shadow:none}.nav-list{flex-direction:row;gap:var(--space-5);align-items:center}.nav-link{width:auto;padding:8px 10px;font-size:var(--text-sm);color:var(--text);opacity:.85;transition:color var(--transition-fast),opacity var(--transition-fast),background var(--transition-fast)}.nav-link:hover{opacity:1;color:var(--brand);text-decoration:none}}@media(min-width:1024px){.nav-list{gap:var(--space-6)}}.hero{padding:var(--space-10)0 var(--space-6)}.hero-inner{position:relative;overflow:hidden;background:linear-gradient(135deg,var(--hero-gradient-1),var(--hero-gradient-2));border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:var(--space-8)}.hero-inner::before{content:"";position:absolute;inset:-50% -25%;background:radial-gradient(closest-side at 28% 35%,var(--hero-glow),transparent 70%);transform:rotate(-12deg);pointer-events:none;z-index:0}.hero-inner>*{position:relative;z-index:1}.hero-kicker{color:var(--muted);margin:0 0 6px}.hero-title{margin:0 0 var(--space-3);font-size:var(--text-2xl);line-height:1.15;letter-spacing:-.02em}.hero-subtitle{margin:0 0 var(--space-6);color:var(--muted);max-width:62ch;line-height:1.6;font-size:var(--text-base)}@media(min-width:768px){.hero{padding:var(--space-12)0 var(--space-8)}.hero-title{font-size:var(--text-3xl)}.hero-inner{padding:var(--space-10)}.hero-subtitle{font-size:var(--text-lg)}}@media(min-width:1024px){.hero-title{font-size:var(--text-4xl)}}.hero-cta{margin:0}.hero-cta .button{padding:14px 18px;border-radius:var(--radius-md);box-shadow:0 12px 28px rgba(0,0,0,.16);transition:transform var(--transition-fast),filter var(--transition-fast),box-shadow var(--transition-fast)}.hero-cta .button::after{content:"→";margin-left:10px;font-weight:800}.hero-cta .button:hover{transform:translateY(-1px);filter:brightness(1.06);box-shadow:0 16px 34px rgba(0,0,0,.18)}.button{display:inline-flex;align-items:center;justify-content:center;padding:12px 16px;border-radius:var(--radius-sm);background:linear-gradient(135deg,var(--brand),var(--brand-2));border:none;color:#061018;font-weight:700}.button:hover{text-decoration:none;filter:brightness(1.05)}.button-secondary{background:var(--btn-secondary-bg);border:1px solid var(--border);color:var(--text)}.section{padding:var(--space-8)0}.section-title{margin:0 0 var(--space-4);font-size:var(--text-xl);font-weight:700}.card-grid{display:grid;grid-template-columns:1fr;gap:var(--space-4)}@media(min-width:640px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(min-width:1024px){.card-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}.card{border:1px solid var(--border);background:var(--card-bg);border-radius:var(--radius);padding:var(--space-5)}.card-title{margin:0 0 var(--space-2);font-size:var(--text-lg);font-weight:600}.card-desc{margin:0;color:var(--muted);font-size:var(--text-sm);line-height:1.5}.callout{border:1px solid rgba(0,212,255,.24);background:rgba(0,212,255,6%);border-radius:var(--radius);padding:var(--space-5)}.callout-text{margin:var(--space-2)0 0;color:var(--muted);font-size:var(--text-sm);line-height:1.5}.callout-actions{margin:var(--space-4)0 0}.list{display:grid;gap:var(--space-3)}.list-item{border:1px solid var(--border);background:var(--card-bg);border-radius:var(--radius);padding:var(--space-4)var(--space-5)}.list-title{margin:0 0 var(--space-1);font-size:var(--text-base);font-weight:600}.list-desc{margin:0;color:var(--muted);font-size:var(--text-sm)}.breadcrumb{margin:var(--space-4)0 0;color:var(--muted);font-size:var(--text-sm)}.breadcrumb-list{list-style:none;margin:0;padding:0;display:flex;align-items:center;flex-wrap:nowrap;overflow:hidden;min-width:0}.breadcrumb-item{display:inline-flex;align-items:center;white-space:nowrap}.breadcrumb-item a{color:var(--muted);text-decoration:none}.breadcrumb-item a:hover{color:var(--text);text-decoration:underline}.breadcrumb-item:not(:last-child)::after{content:"›";margin:0 var(--space-2);opacity:.6}.breadcrumb-current{min-width:0}.breadcrumb-current span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.breadcrumb-item:not(:nth-last-child(-n+2)){display:none}.breadcrumb-item:nth-last-child(2):not(:first-child)::before{content:"… › ";margin-right:var(--space-2);opacity:.6}@media(min-width:640px){.breadcrumb-list{flex-wrap:wrap;overflow:visible}.breadcrumb-item:not(:nth-last-child(-n+2)){display:inline-flex}.breadcrumb-item:nth-last-child(2):not(:first-child)::before{content:none;margin-right:0}}.page-header{padding:var(--space-6)0 var(--space-4)}.page-title{margin:0;font-size:var(--text-2xl);line-height:1.2;font-weight:800;letter-spacing:-.02em}.page-desc{margin:var(--space-3)0 0;color:var(--muted);max-width:70ch;line-height:1.6}.page-meta{margin:var(--space-3)0 0;color:var(--muted);font-size:var(--text-sm)}@media(min-width:768px){.page-title{font-size:var(--text-3xl)}}@media(min-width:1024px){.page-title{font-size:var(--text-4xl)}}.prose{max-width:74ch;padding-bottom:var(--space-4);font-size:var(--text-base);line-height:1.75}.prose p{margin:var(--space-4)0}.prose li{margin:var(--space-2)0}.prose h2,.prose h3,.prose h4{scroll-margin-top:96px}.prose h2,.prose h3{margin-top:var(--space-8);margin-bottom:var(--space-4)}.prose h2{font-size:var(--text-xl);line-height:1.25;font-weight:800;letter-spacing:-.02em}.prose h3{font-size:var(--text-lg);line-height:1.3;font-weight:700;letter-spacing:-.01em}.prose h4{font-size:var(--text-base);line-height:1.35;font-weight:700}.prose a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;text-decoration-color:rgba(124,92,255,.45)}.prose a:hover{text-decoration-thickness:2px;text-decoration-color:rgba(124,92,255,.75)}.prose code{background:var(--code-bg);border:1px solid var(--border);border-radius:var(--radius-sm);padding:2px 5px;font-size:var(--text-sm)}.prose pre{position:relative;overflow:auto;display:grid;gap:var(--space-2);margin-left:calc(-1 * var(--container-padding));margin-right:calc(-1 * var(--container-padding));padding:var(--space-4);border-radius:0;border:1px solid var(--border);background:var(--pre-bg);font-size:var(--text-sm)}.prose pre code{border:none;background:0 0;padding:0;display:block}@media(min-width:768px){.prose h2{font-size:var(--text-2xl)}.prose h3{font-size:var(--text-xl)}.prose pre{margin-left:0;margin-right:0;border-radius:var(--radius);font-size:var(--text-base)}}.copy-btn{position:sticky;top:var(--space-2);right:var(--space-2);justify-self:end;z-index:2;display:inline-flex;align-items:center;justify-content:center;padding:0 var(--space-3);font-size:var(--text-xs);background:var(--search-close-bg);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--muted);cursor:pointer}.copy-btn:hover{background:var(--code-bg);color:var(--text)}.prose blockquote{border-left:4px solid var(--brand);background:rgba(124,92,255,8%);margin:var(--space-4)0;padding:var(--space-3)var(--space-4);border-radius:0 var(--radius)var(--radius)0;font-style:italic}.prose blockquote p{margin:0}.prose blockquote p:first-child{font-size:1.1rem;color:var(--text)}.prose blockquote p:last-child:not(:first-child){font-size:.875rem;color:var(--muted);font-style:normal;margin-top:.75rem}@media(min-width:768px){.prose code{padding:2px 6px}.prose blockquote{margin:1.5rem 0;padding:1rem 1.5rem}}.cite-reference{font-size:.875rem;color:var(--muted)}.cite-reference a{color:var(--brand)}.prose h2#references+ol,.prose h2#references+ul{font-size:.875rem;color:var(--muted);padding-left:1.5rem}.prose h2#references+ol li,.prose h2#references+ul li{margin-bottom:.5rem}.prose h2#references+ol a,.prose h2#references+ul a{color:var(--brand);word-break:break-all}.prose h2#key-takeaways+ul{background:linear-gradient(135deg,rgba(124,92,255,.1),rgba(0,212,255,5%));border:1px solid rgba(124,92,255,.2);border-radius:var(--radius);padding:1.25rem 1.5rem;margin:1rem 0 2rem}.prose h2#key-takeaways+ul li{margin-bottom:.75rem;padding-left:.5rem}.prose h2#key-takeaways+ul li:last-child{margin-bottom:0}.prose h2#key-takeaways+ul li strong{color:var(--brand)}.prose table{width:100%;border-collapse:collapse;margin:1.5rem 0;font-size:.9375rem}.prose th{background:rgba(124,92,255,.15);color:var(--text);font-weight:600;text-align:left;padding:.75rem 1rem;border-bottom:2px solid var(--border)}.prose td{padding:.75rem 1rem;border-bottom:1px solid var(--border);vertical-align:top}.prose tr:hover td{background:var(--hover-bg)}.prose td:has(✅),.prose td:has(❌),.prose td:has(⚠️){text-align:center}.prose td:has(⭐){white-space:nowrap}.table-wrap{position:relative;overflow-x:auto;-webkit-overflow-scrolling:touch;margin:var(--space-6)0;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--panel)}.table-wrap>table{margin:0;min-width:100%}.table-wrap::after{content:"";position:absolute;top:0;right:0;bottom:0;width:24px;background:linear-gradient(to left,var(--panel),transparent);pointer-events:none;opacity:1;transition:opacity var(--transition-base);z-index:2}.table-wrap.is-scrolled-end::after{opacity:0}.faq-section{margin:2rem 0}.faq-item{border:1px solid var(--border);border-radius:var(--radius);margin-bottom:.75rem;background:var(--card-bg)}.faq-item summary{padding:14px 16px;min-height:var(--touch-comfortable);cursor:pointer;font-weight:600;list-style:none;display:flex;justify-content:space-between;align-items:center}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary::after{content:"+";font-size:1.25rem;color:var(--muted);transition:transform .2s}.faq-item[open] summary::after{content:"−"}@media(min-width:768px){.faq-item summary{padding:16px 20px}}.faq-answer{padding:0 1.25rem 1rem;color:var(--muted)}.faq-answer p{margin:0}.comparison-section{margin:2rem 0;border:1px solid var(--border);background:var(--card-bg);border-radius:var(--radius);padding:1.25rem 1.25rem 1rem}.comparison-title{margin:0 0 .5rem;font-size:1.2rem}.comparison-subtitle{margin:0 0 1rem;color:var(--muted);max-width:70ch}.comparison-table-wrap{position:relative;overflow-x:auto;-webkit-overflow-scrolling:touch;margin-top:var(--space-4);border-radius:var(--radius-sm);background:var(--panel)}.comparison-table-wrap::after{content:"";position:absolute;top:0;right:0;bottom:0;width:24px;background:linear-gradient(to left,var(--panel),transparent);pointer-events:none;opacity:1;transition:opacity var(--transition-base);z-index:2}.comparison-table-wrap.is-scrolled-end::after{opacity:0}.comparison-table{width:max-content;min-width:100%;border-collapse:separate;border-spacing:0}.comparison-table th,.comparison-table td{border:1px solid var(--border);padding:.75rem;vertical-align:top}.comparison-table td{min-width:120px;text-align:center;white-space:nowrap}.comparison-table tbody th{text-align:left}.comparison-table thead th{background:var(--btn-secondary-bg);font-weight:700}.comparison-table thead th:first-child{position:sticky;left:0;z-index:3;background:var(--table-header-bg);min-width:160px;max-width:240px}.comparison-table tbody th:first-child{position:sticky;left:0;z-index:2;background:var(--table-row-bg);min-width:160px;max-width:240px}.comparison-table thead th:first-child,.comparison-table tbody th:first-child{border-right:0}.comparison-table thead th:first-child::after,.comparison-table tbody th:first-child::after{content:"";position:absolute;top:-1px;right:0;bottom:-1px;width:1px;background:0 0;box-shadow:1px 0 0 var(--border),8px 0 16px rgba(0,0,0,8%);pointer-events:none}.comparison-feature{width:34%}.comparison-feature-desc{display:block;margin-top:.25rem;font-size:.85rem;color:var(--muted);font-weight:400}.comparison-highlight{background:rgba(124,92,255,.12);border-color:rgba(124,92,255,.25)}.heading-anchor{margin-left:8px;color:var(--muted);text-decoration:none;opacity:0;transition:opacity var(--transition-fast),color var(--transition-fast)}.prose h2:hover .heading-anchor,.prose h3:hover .heading-anchor,.prose h4:hover .heading-anchor,.prose h2:target .heading-anchor,.prose h3:target .heading-anchor,.prose h4:target .heading-anchor,.heading-anchor:focus,.heading-anchor:focus-visible{opacity:.7}.heading-anchor:hover{opacity:1;color:var(--brand)}.heading-anchor:focus-visible{outline:2px solid rgba(124,92,255,.55);outline-offset:2px;border-radius:var(--radius-sm)}.inline-related{margin:var(--space-6)0;border:1px dashed rgba(124,92,255,.35);background:rgba(124,92,255,8%);border-radius:var(--radius);padding:14px 16px}.inline-related__label{font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-weight:600}.inline-related__list{list-style:none;margin:10px 0 0;padding:0;display:grid;gap:8px}.inline-related__item a{color:var(--text);opacity:.95;display:flex;align-items:center;min-height:var(--touch-min);padding:var(--space-2)0;line-height:1.4}.inline-related__item a:hover{color:var(--brand);text-decoration:none}@media(min-width:768px){.inline-related{display:none}}.footer{margin-top:var(--space-12);border-top:1px solid var(--border);background:var(--footer-bg)}.footer-inner{padding:var(--space-12)0 var(--space-8)}.footer-grid{display:grid;grid-template-columns:1fr;gap:var(--space-8)}.footer-brand{display:flex;flex-direction:column;gap:var(--space-4)}.footer-brand-main{display:flex;flex-direction:column;gap:var(--space-2);max-width:60ch}.footer-brand-link{display:inline-flex;align-items:center;font-weight:900;font-size:var(--text-lg);letter-spacing:-.01em;text-decoration:none}.footer-brand-link:hover{text-decoration:none}.footer-brand-tagline{margin:0;color:var(--muted);font-size:var(--text-sm)}.footer-brand-desc{margin:0;color:var(--muted);font-size:var(--text-sm);line-height:1.6}.footer-brand-contact{margin:0;display:flex;flex-wrap:wrap;align-items:center;gap:var(--space-2);color:var(--muted);font-size:var(--text-sm)}.footer-brand-contact-label{font-weight:600;color:var(--muted)}.footer-brand-email{display:inline-flex;align-items:center;min-height:var(--touch-min);padding:0;border:none;background:0 0;color:var(--brand);font-size:var(--text-sm);font-weight:600;text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;text-decoration-color:rgba(124,92,255,.5);opacity:.95;transition:opacity var(--transition-fast),text-decoration-color var(--transition-fast)}.footer-brand-email:hover{opacity:1;text-decoration-thickness:2px;text-decoration-color:rgba(124,92,255,.8);text-decoration:underline}.footer-brand-email:focus-visible{outline:2px solid rgba(124,92,255,.55);outline-offset:2px;border-radius:var(--radius-sm)}.footer-title{margin:0 0 var(--space-3);font-size:var(--text-xs);font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--text);opacity:.9}.footer-list{list-style:none;margin:0;padding:0;display:grid;gap:var(--space-2)}.footer-list a{color:var(--muted);opacity:1;font-size:var(--text-sm);transition:color var(--transition-fast),opacity var(--transition-fast)}.footer-list a:hover{color:var(--text)}.footer-copy{margin:var(--space-8)0 0;padding-top:var(--space-5);border-top:1px solid var(--border);color:var(--muted);font-size:var(--text-xs);display:flex;align-items:center;justify-content:space-between;gap:var(--space-4);flex-wrap:wrap}@media(min-width:640px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--space-6)}.footer-brand{grid-column:1/-1}}@media(min-width:1024px){.footer-inner{padding:var(--space-12)0 var(--space-10)}.footer-grid{grid-template-columns:repeat(12,minmax(0,1fr));column-gap:var(--space-8);row-gap:var(--space-6)}.footer-brand{grid-column:1/-1;flex-direction:column;align-items:flex-start;justify-content:flex-start;padding-bottom:var(--space-6);border-bottom:1px solid var(--border)}.footer-col{grid-column:span 4}}html.nav-open{overflow:hidden}html.nav-open body{overflow:hidden}.site-search{position:fixed;inset:0;z-index:1000;display:flex;align-items:flex-start;justify-content:center;padding-top:10vh}.site-search[hidden]{display:none}.site-search__backdrop{position:absolute;inset:0;background:var(--search-backdrop);backdrop-filter:blur(4px)}.site-search__dialog{position:relative;width:90%;max-width:600px;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.site-search__header{display:flex;align-items:center;gap:12px;padding:16px;border-bottom:1px solid var(--border)}.site-search__icon{flex-shrink:0;color:var(--muted)}.site-search__input{flex:1;background:0 0;border:none;outline:none;font-size:16px;color:var(--text)}.site-search__input::placeholder{color:var(--muted)}.site-search__close{padding:4px 8px;background:var(--search-close-bg);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--muted);font-size:12px;cursor:pointer}.site-search__close:hover{background:var(--code-bg);color:var(--text)}.site-search__results{max-height:50vh;overflow-y:auto;padding:8px}.site-search__hint{padding:24px;text-align:center;color:var(--muted);margin:0}.site-search__result{display:block;padding:12px 16px;border-radius:var(--radius-sm);text-decoration:none;color:var(--text)}.site-search__result:hover{background:rgba(124,92,255,.1);text-decoration:none}.site-search__result-title{font-weight:600;margin-bottom:4px}.site-search__result-excerpt{font-size:14px;color:var(--muted);line-height:1.4}.site-search__result-excerpt mark{background:rgba(124,92,255,.3);color:var(--text);padding:0 2px;border-radius:var(--radius-2xs)}.site-search__footer{padding:12px 16px;border-top:1px solid var(--border);font-size:12px;color:var(--muted);display:flex;justify-content:space-between;align-items:center}html.is-search-open{overflow:hidden}.search-button{display:inline-flex;align-items:center;gap:6px;min-height:var(--touch-min);padding:6px 10px;background:var(--btn-secondary-bg);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--muted);font-size:14px;cursor:pointer}.search-button svg{width:18px;height:18px}.search-button--icon{width:var(--touch-min);height:var(--touch-min);padding:0;justify-content:center;gap:0}.search-button:hover{background:var(--code-bg);color:var(--text)}.search-button kbd{font-size:11px;padding:2px 4px;background:var(--search-close-bg);border-radius:var(--radius-xs)}.theme-toggle{display:inline-flex;align-items:center;justify-content:center;width:var(--touch-min);height:var(--touch-min);padding:0;background:var(--btn-secondary-bg);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--muted);cursor:pointer;transition:background .2s,color .2s}.theme-toggle:hover{background:var(--code-bg);color:var(--text)}.theme-toggle svg{width:18px;height:18px}.theme-toggle .icon-sun{display:none}.theme-toggle .icon-moon{display:block}[data-theme=dark] .theme-toggle .icon-sun{display:block}[data-theme=dark] .theme-toggle .icon-moon{display:none}[data-theme=light] .theme-toggle .icon-sun{display:none}[data-theme=light] .theme-toggle .icon-moon{display:block}@media(prefers-color-scheme:dark){:root:not([data-theme]) .theme-toggle .icon-sun{display:block}:root:not([data-theme]) .theme-toggle .icon-moon{display:none}}@media(prefers-color-scheme:light){:root:not([data-theme]) .theme-toggle .icon-sun{display:none}:root:not([data-theme]) .theme-toggle .icon-moon{display:block}}.toc{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);padding:16px 20px}.toc-title{margin:0 0 12px;font-size:14px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}.toc ul{list-style:none;margin:0;padding:0}.toc li{margin:6px 0}.toc a{color:var(--text);opacity:.85;font-size:14px}.toc a:hover{opacity:1;color:var(--brand)}.toc ul ul{padding-left:16px;margin-top:6px}.meta-sep{margin:0 8px;opacity:.5}.nav-link,.button,.button-secondary,.pagination-link,.article-item,.faq-item summary,.theme-toggle,.search-button,.nav-toggle,.nav-close,.copy-btn{min-height:var(--touch-min)}.nav-toggle,.nav-close,.theme-toggle,.copy-btn{min-width:var(--touch-min)}.prose p a,.prose li a{padding:var(--space-1)0;margin:calc(-1 * var(--space-1))0}.aside-list a,.footer-list a{display:block;padding:var(--space-2)0}.pagination{display:flex;justify-content:center;align-items:center;gap:16px;margin:32px 0 16px;padding:16px}.pagination-link{display:inline-flex;align-items:center;justify-content:center;padding:10px 16px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--btn-secondary-bg);color:var(--text);text-decoration:none}.pagination-link:hover{background:var(--code-bg);text-decoration:none}.pagination-info{color:var(--muted);font-size:14px}.section-header{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:14px}.section-more{font-size:14px;color:var(--brand)}.aside{margin:0;padding:20px;background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius)}.aside-title{margin:0 0 12px;font-size:14px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}.aside-list{list-style:none;margin:0;padding:0}.aside-list li{margin:8px 0;padding-left:12px;border-left:2px solid var(--border)}.aside-list a{color:var(--text);font-size:14px}.aside-list a:hover{color:var(--brand)}.article-layout{display:grid;grid-template-columns:1fr;gap:24px;align-items:start;margin-top:16px}.article-main{min-width:0}.toc-inline{display:none;margin:16px 0 24px}.toc-sidebar{margin:0}.article-sidebar{display:none;gap:24px}@media(min-width:768px){.article-sidebar{display:grid;position:static;max-height:none;overflow:visible}.toc-inline{display:block}.toc-sidebar{display:none}}@media(min-width:1024px){.article-layout{grid-template-columns:1fr 280px;gap:48px}.article-sidebar{position:sticky;top:80px;max-height:calc(100vh - 100px);overflow-y:auto}.toc-inline{display:none}.toc-sidebar{display:block}}.article-list{display:grid;gap:var(--space-3);margin:var(--space-4)0 0}.article-item{display:flex;justify-content:space-between;align-items:center;padding:var(--space-5)var(--space-6);min-height:72px;border:1px solid var(--border);background:var(--card-bg);border-radius:var(--radius);transition:border-color var(--transition-fast),transform var(--transition-fast),background var(--transition-fast);color:inherit}.article-item:hover{border-color:rgba(124,92,255,.45);background:var(--hover-bg);transform:translateX(4px);text-decoration:none}.article-item:focus-visible{outline:2px solid rgba(124,92,255,.55);outline-offset:2px}.article-item-content{flex:1;min-width:0}.article-item-title{margin:0 0 var(--space-1);font-size:var(--text-base);font-weight:600;line-height:1.4}.article-item-desc{margin:0;font-size:var(--text-sm);color:var(--muted);line-height:1.5}.article-item-arrow{color:var(--muted);font-size:var(--text-lg);margin-left:var(--space-5);flex-shrink:0}.article-item:hover .article-item-arrow{color:var(--brand)}@media(min-width:768px){.article-item{padding:var(--space-6)var(--space-8);min-height:0}}.category-card{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-6);transition:border-color var(--transition-fast),transform var(--transition-fast),background var(--transition-fast)}.category-card:hover{border-color:rgba(124,92,255,.45);background:var(--hover-bg);transform:translateY(-2px);text-decoration:none}.category-card-icon{width:24px;height:24px;opacity:.75;color:var(--muted);display:inline-flex;align-items:center;justify-content:center;flex-shrink:0}.category-card-icon svg{width:24px;height:24px}.category-card-content{flex:1;min-width:0}.category-card-meta{margin:0;font-size:var(--text-xs);color:var(--muted)}.category-card-arrow{margin-left:auto;color:var(--muted);padding-left:var(--space-4)}.category-card:hover .category-card-arrow{color:var(--brand)}.pillar-details{margin-top:var(--space-8);border:1px solid var(--border);border-radius:var(--radius);background:var(--card-bg)}.pillar-details summary{padding:var(--space-4)var(--space-5);min-height:var(--touch-comfortable);cursor:pointer;font-weight:600;color:var(--muted);list-style:none}.pillar-details summary::-webkit-details-marker{display:none}.pillar-details summary::after{content:"+";margin-left:10px;color:var(--muted)}.pillar-details[open] summary::after{content:"−"}.pillar-details[open] summary{border-bottom:1px solid var(--border)}@media(min-width:768px){.pillar-details summary{padding:16px 20px}}.pillar-details .prose{padding:20px}