:root{color-scheme:light;--primary:#2456a3;--primary-light:#5078b5;--primary-dark:#1f4685;--secondary:#45c1c0;--info:#0393b7;--success:#16a34a;--warning:#ffab00;--error:#e6492e;--text-primary:#212b36;--text-secondary:#637381;--surface:#fff;--surface-muted:#f4f6f8;--surface-soft:#f9fafb;--divider:#919eab33;--focus:#2456a352;--shadow-card:0 0 2px 0 #919eab33, 0 12px 24px -4px #919eab1f;--radius-label:6px;--radius-control:8px;--radius-surface:16px;--content-width:1180px;font-synthesis:none;font-family:Segoe UI,Inter,system-ui,-apple-system,BlinkMacSystemFont,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:clip}body{background:var(--surface);color:var(--text-primary);-webkit-font-smoothing:antialiased;margin:0;font-size:16px;line-height:1.6}a{color:var(--primary);text-underline-offset:3px;text-decoration-thickness:1px}a:hover{color:var(--primary-dark)}button,input{font:inherit}img{max-width:100%;height:auto}:focus-visible{outline:3px solid var(--focus);outline-offset:3px;border-radius:4px}.skip-link{z-index:100;background:var(--surface);border-radius:var(--radius-control);box-shadow:var(--shadow-card);padding:10px 16px;position:fixed;top:-60px;left:16px}.skip-link:focus{top:12px}.container{width:min(calc(100% - 40px), var(--content-width));margin-inline:auto}.eyebrow{color:var(--primary);letter-spacing:.08em;text-transform:uppercase;margin:0 0 8px;font-size:.75rem;font-weight:700}.muted{color:var(--text-secondary)}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.site-header{z-index:40;border-bottom:1px solid var(--divider);backdrop-filter:blur(12px);background:#fffffff0;position:sticky;top:0}.header-inner{align-items:center;gap:24px;min-height:72px;display:flex}.brand{color:var(--text-primary);white-space:nowrap;align-items:center;gap:14px;font-weight:700;text-decoration:none;display:inline-flex}.brand img{width:86px;height:auto}.brand-divider{background:var(--divider);width:1px;height:28px}.brand-label{color:var(--text-secondary);font-size:.875rem;font-weight:600}.header-nav{align-items:center;gap:8px;margin-left:auto;display:flex}.header-nav a{border-radius:var(--radius-control);color:var(--text-secondary);padding:8px 12px;font-size:.875rem;font-weight:600;text-decoration:none}.header-nav a:hover{color:var(--primary);background:#2456a30f}.button{border-radius:var(--radius-control);background:var(--primary);color:#fff;cursor:pointer;border:1px solid #0000;justify-content:center;align-items:center;gap:8px;min-height:42px;padding:9px 16px;font-weight:700;text-decoration:none;transition:transform .16s,background .16s;display:inline-flex}.button:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px)}.header-nav .button,.header-nav .button:visited{color:#fff}.header-nav .button:hover{background:var(--primary-dark);color:#fff}.button.secondary{border-color:var(--divider);background:var(--surface);color:var(--text-primary)}.button.secondary:hover{background:var(--surface-muted);color:var(--primary)}.hero{z-index:10;border-bottom:1px solid var(--divider);background:linear-gradient(135deg,#eef4fc 0%,#f7fbfb 58%,#eaf8f7 100%);padding:72px 0 80px;position:relative;overflow:visible}.hero:after{content:"";background:#45c1c01f;border-radius:50%;width:420px;height:420px;position:absolute;top:-190px;right:-180px}.hero-content{z-index:1;text-align:center;max-width:780px;margin-inline:auto;position:relative}.hero h1{letter-spacing:-.04em;max-width:720px;margin:0 auto 16px;font-size:clamp(2.25rem,6vw,4rem);line-height:1.06}.hero p{max-width:630px;color:var(--text-secondary);margin:0 auto 32px;font-size:clamp(1rem,2vw,1.18rem)}.search{z-index:20;text-align:left;width:min(100%,680px);margin-inline:auto;position:relative}.search-form{border:1px solid var(--divider);background:var(--surface);min-height:58px;box-shadow:var(--shadow-card);border-radius:12px;align-items:center;gap:10px;padding:8px 8px 8px 18px;display:flex}.search-form svg{color:var(--text-secondary);flex:none}.search-form input{width:100%;min-width:0;color:var(--text-primary);background:0 0;border:0;outline:0}.search-form input::placeholder{color:#919eab}.search-results{z-index:60;border:1px solid var(--divider);background:var(--surface);max-height:430px;box-shadow:var(--shadow-card);border-radius:12px;padding:8px;display:none;position:absolute;inset:calc(100% + 8px) 0 auto;overflow:auto}.search-results.visible{display:block}.search-result{border-radius:var(--radius-control);color:var(--text-primary);padding:12px;text-decoration:none;display:block}.search-result:hover,.search-result[aria-selected=true]{background:var(--surface-muted);color:var(--primary)}.search-result strong{line-height:1.35;display:block}.search-result span{color:var(--text-secondary);margin-top:4px;font-size:.84rem;line-height:1.4;display:block}.search-empty{color:var(--text-secondary);text-align:center;padding:16px}.inner-search-bar{z-index:35;border-bottom:1px solid var(--divider);backdrop-filter:blur(12px);background:#fffffff0;padding:12px 0;position:sticky;top:72px}.inner-search-bar .search{width:min(100%,760px)}.search--compact .search-form{min-height:48px;padding:6px 6px 6px 16px;box-shadow:0 4px 14px #919eab1a}.search--compact .button{min-height:36px;padding-block:6px}.search--compact .search-results{max-height:min(430px,100vh - 160px)}.section{padding:64px 0}.section.alt{background:var(--surface-soft)}.section-heading{justify-content:space-between;align-items:end;gap:24px;margin-bottom:28px;display:flex}.section-heading h2{letter-spacing:-.025em;margin:0;font-size:clamp(1.75rem,3vw,2.25rem);line-height:1.2}.section-heading p{max-width:560px;color:var(--text-secondary);margin:8px 0 0}.area-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;display:grid}.area-card{border:1px solid var(--divider);border-radius:var(--radius-surface);background:var(--surface);min-height:230px;padding:24px;transition:transform .18s,box-shadow .18s,border-color .18s;position:relative;box-shadow:0 1px 2px #919eab14}.area-card:hover{box-shadow:var(--shadow-card);border-color:#2456a347;transform:translateY(-3px)}.area-card a{height:100%;color:inherit;flex-direction:column;text-decoration:none;display:flex}.area-icon{width:52px;height:52px;color:var(--primary);background:#2456a314;border-radius:14px;place-items:center;margin-bottom:24px;display:grid}.area-icon svg{width:27px;height:27px;display:block}.area-card:nth-child(2n) .area-icon{color:#147d7d;background:#45c1c01f}.area-card h3{margin:0 0 8px;font-size:1.2rem;line-height:1.35}.area-card p{color:var(--text-secondary);margin:0;font-size:.92rem}.area-meta{color:var(--primary);margin-top:auto;padding-top:20px;font-size:.82rem;font-weight:700}.article-list{gap:12px;display:grid}.article-link{border:1px solid var(--divider);background:var(--surface);color:inherit;border-radius:12px;align-items:center;gap:16px;padding:18px 20px;text-decoration:none;display:flex}.article-link:hover{color:inherit;border-color:#2456a347;box-shadow:0 8px 20px #919eab1c}.article-link-icon{background:var(--surface-muted);width:38px;height:38px;color:var(--primary);border-radius:50%;flex:none;place-items:center;display:grid}.article-link-icon svg{width:20px;height:20px;display:block}.article-link h3{margin:0;font-size:1rem;line-height:1.4}.article-link p{color:var(--text-secondary);margin:3px 0 0;font-size:.86rem}.article-link-arrow{color:#919eab;margin-left:auto}.page-hero{border-bottom:1px solid var(--divider);background:var(--surface-soft);padding:48px 0 40px}.page-hero h1{letter-spacing:-.035em;max-width:820px;margin:12px 0;font-size:clamp(2rem,5vw,3.25rem);line-height:1.12}.page-hero .lead{max-width:720px;color:var(--text-secondary);margin:0;font-size:1.05rem}.breadcrumbs{color:var(--text-secondary);flex-wrap:wrap;align-items:center;gap:8px;font-size:.82rem;display:flex}.breadcrumbs a{color:inherit;text-decoration:none}.breadcrumbs a:hover{color:var(--primary)}.breadcrumbs .separator{color:#c4cdd5}.collection-layout{grid-template-columns:240px minmax(0,1fr);align-items:start;gap:48px;display:grid}.side-nav{position:sticky;top:96px}.side-nav h2{text-transform:uppercase;letter-spacing:.07em;color:var(--text-secondary);margin:0 0 12px;font-size:.78rem}.side-nav a{border-radius:var(--radius-control);color:var(--text-secondary);padding:9px 12px;font-size:.88rem;font-weight:600;text-decoration:none;display:block}.side-nav a:hover,.side-nav a[aria-current=page]{color:var(--primary);background:#2456a314}.article-group+.article-group{margin-top:44px}.article-group h2{margin:0 0 16px;font-size:1.3rem}.article-shell{grid-template-columns:minmax(0,760px) 250px;align-items:start;gap:56px;padding:48px 0 72px;display:grid}.article-meta{color:var(--text-secondary);flex-wrap:wrap;gap:8px 20px;margin-top:18px;font-size:.84rem;display:flex}.article-body{color:#34404c;min-width:0}.article-body>:first-child{margin-top:0}.article-body h2,.article-body h3,.article-body h4{color:var(--text-primary);scroll-margin-top:96px;line-height:1.25}.article-body h2{letter-spacing:-.02em;margin:44px 0 14px;font-size:1.65rem}.article-body h3{margin:32px 0 12px;font-size:1.25rem}.article-body h4{margin:24px 0 8px;font-size:1.05rem}.article-body p,.article-body ul,.article-body ol{margin-block:0 18px}.article-body li+li{margin-top:7px}.article-body img{border:1px solid var(--divider);border-radius:12px;margin:26px auto;display:block;box-shadow:0 8px 24px #919eab1f}.article-body pre{color:#f4f6f8;background:#161c24;border-radius:12px;padding:20px;font-size:.86rem;line-height:1.55;overflow-x:auto}.article-body code:not(pre code){background:var(--surface-muted);color:#b42318;border-radius:5px;padding:2px 6px;font-size:.88em}.article-body blockquote{border-left:4px solid var(--secondary);border-radius:0 var(--radius-control) var(--radius-control) 0;color:#2f4a4a;background:#eef9f8;margin:24px 0;padding:16px 20px}.article-body table{border-collapse:collapse;width:100%;margin:24px 0;display:block;overflow-x:auto}.article-body th,.article-body td{border:1px solid var(--divider);text-align:left;min-width:140px;padding:12px 14px}.article-body th{background:var(--surface-muted);color:var(--text-primary)}.article-aside{position:sticky;top:96px}.aside-card{border:1px solid var(--divider);border-radius:var(--radius-surface);background:var(--surface);box-shadow:var(--shadow-card);padding:20px}.aside-card+.aside-card{margin-top:16px}.aside-card h2{margin:0 0 10px;font-size:1rem}.aside-card p{color:var(--text-secondary);margin:0 0 16px;font-size:.86rem}.aside-links{margin:0;padding:0;list-style:none}.aside-links li+li{margin-top:10px}.aside-links a{font-size:.86rem;font-weight:600;text-decoration:none}.support-banner{border-radius:var(--radius-surface);color:#fff;background:linear-gradient(135deg,#2456a3,#1f4685);justify-content:space-between;align-items:center;gap:24px;margin-top:48px;padding:28px;display:flex}.support-banner h2{color:#fff;margin:0 0 4px;font-size:1.25rem}.support-banner p{color:#ffffffc7;margin:0}.support-banner .button{background:var(--surface);color:var(--primary);white-space:nowrap}.support-banner .button:hover{color:var(--primary-dark);background:#eef4fc}.site-footer{border-top:1px solid var(--divider);background:var(--surface-soft);padding:40px 0}.footer-inner{color:var(--text-secondary);justify-content:space-between;align-items:center;gap:24px;font-size:.85rem;display:flex}.footer-links{flex-wrap:wrap;gap:18px;display:flex}.footer-links a{color:inherit;text-decoration:none}@media (width<=900px){.area-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.collection-layout,.article-shell{grid-template-columns:1fr}.side-nav,.article-aside{position:static}.side-nav{display:none}.article-aside{grid-template-columns:repeat(2,minmax(0,1fr));display:grid}}@media (width<=680px){.container{width:min(calc(100% - 28px), var(--content-width))}.header-inner{min-height:64px}.brand-label,.brand-divider,.header-nav>a:not(.button){display:none}.header-nav .button{min-height:38px;padding-inline:12px;font-size:.82rem}.inner-search-bar{padding:8px 0;top:64px}.search--compact .search-form{min-height:46px}.hero{padding:52px 0 60px}.search-form{min-height:54px}.search-form .button{display:none}.section{padding:48px 0}.area-grid{grid-template-columns:1fr}.area-card{min-height:205px}.page-hero{padding:36px 0 32px}.article-shell{gap:36px;padding-top:32px}.article-aside{grid-template-columns:1fr}.support-banner,.footer-inner{flex-direction:column;align-items:flex-start}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}