:root{color-scheme:light;--text: #172033;--muted: #5d697c;--border: #dfe7f1;--surface: #ffffff;--soft: #f6f9fd;--brand: #2563eb;--brand-2: #20b486;--shadow: 0 18px 45px rgba(31, 44, 71, .1);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{margin:0;background:#fff;color:var(--text);font-size:17px;line-height:1.7}a{color:inherit}img{max-width:100%;height:auto}h1,h2,h3{line-height:1.1;letter-spacing:0;margin:0 0 16px}h1{font-size:clamp(2.5rem,6vw,5.5rem);max-width:920px}h2{font-size:clamp(2rem,4vw,3.25rem)}h3{font-size:1.25rem}p{margin:0 0 16px}.skip-link{position:absolute;left:-999px;top:8px;background:#fff;padding:8px 12px;z-index:20}.skip-link:focus{left:8px}.site-header{position:sticky;top:0;z-index:10;display:flex;align-items:center;gap:24px;justify-content:space-between;padding:14px clamp(18px,4vw,56px);background:#ffffffeb;border-bottom:1px solid var(--border);backdrop-filter:blur(14px)}.brand{display:inline-flex;align-items:center;gap:10px;font-weight:900;font-size:1.25rem;text-decoration:none}.brand-mark{display:inline-grid;place-items:center;width:36px;height:36px;border-radius:8px;color:#fff;background:linear-gradient(135deg,var(--brand),var(--brand-2))}.site-nav{display:flex;flex-wrap:wrap;gap:8px;justify-content:flex-end}.site-nav a{text-decoration:none;font-weight:750;color:#263247;padding:8px 10px;border-radius:8px}.site-nav a:hover,.site-nav a:focus-visible{background:var(--soft)}.menu-toggle{display:none;border:1px solid var(--border);background:#fff;border-radius:8px;padding:8px 12px;font-weight:800}.page-shell{padding:clamp(34px,6vw,80px) clamp(18px,4vw,56px)}.hero{position:relative;overflow:hidden;padding:clamp(44px,8vw,112px) clamp(18px,5vw,72px);background:linear-gradient(135deg,color-mix(in srgb,var(--accent, var(--brand)) 13%,white),color-mix(in srgb,var(--accent-2, var(--brand-2)) 16%,white));border-bottom:1px solid var(--border)}.hero p{max-width:760px;color:#344158;font-size:1.22rem}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}.button,button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;border:0;border-radius:8px;padding:10px 18px;background:var(--text);color:#fff;text-decoration:none;font-weight:850;cursor:pointer}.button.secondary{color:var(--text);background:#fff;border:1px solid var(--border)}.search-box{display:flex;max-width:720px;margin-top:26px;background:#fff;border:1px solid var(--border);border-radius:8px;box-shadow:var(--shadow);overflow:hidden}.search-box input{flex:1;min-width:0;border:0;padding:18px;font:inherit}.section-grid,.article-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.section-card,.article-card{background:#fff;border:1px solid var(--border);border-radius:8px;box-shadow:0 8px 26px #1822380f;overflow:hidden}.section-card a,.article-card a{display:block;height:100%;color:inherit;text-decoration:none}.section-card{padding:22px;border-top:5px solid var(--accent)}.article-card__body{padding:18px}.article-card p{color:var(--muted);font-size:.96rem}.article-card small{color:var(--muted);font-weight:700}.image-placeholder{min-height:142px;display:flex;align-items:flex-end;padding:16px;background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;font-weight:900}.eyebrow{color:var(--accent)!important;text-transform:uppercase;letter-spacing:0;font-size:.78rem!important;font-weight:900;margin-bottom:8px}.content-band{padding:clamp(36px,7vw,82px) clamp(18px,4vw,56px)}.content-band.alt{background:var(--soft)}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:22px}.section-heading p{max-width:720px;color:var(--muted)}.topic-list{display:flex;flex-wrap:wrap;gap:10px}.topic-list span,.pill{display:inline-flex;padding:8px 12px;border-radius:8px;background:color-mix(in srgb,var(--accent, var(--brand)) 12%,white);color:#24314a;font-weight:800}.newsletter-block{display:grid;grid-template-columns:1.2fr 1fr;gap:18px;align-items:center;padding:28px;border-radius:8px;background:linear-gradient(135deg,#172033,#29536c);color:#fff}.newsletter-block p{color:#ffffffc7}.newsletter-block form{display:flex;gap:10px}.newsletter-block input{flex:1;min-width:0;border:0;border-radius:8px;padding:14px;font:inherit}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:34px;max-width:1180px;margin:0 auto;padding:clamp(28px,5vw,62px) clamp(18px,4vw,56px)}.article-main{min-width:0}.article-main h1{font-size:clamp(2.2rem,5vw,4.2rem)}.article-main h2{font-size:clamp(1.6rem,3vw,2.35rem);margin-top:42px}.article-main h3{margin-top:28px}.article-meta,.breadcrumbs{color:var(--muted);font-size:.95rem;font-weight:700}.breadcrumbs a{color:var(--muted)}.toc{background:var(--soft);border:1px solid var(--border);border-radius:8px;padding:18px;margin:28px 0}.toc a{display:block;color:#263247;text-decoration:none;padding:5px 0}.disclaimer-box{border-left:5px solid var(--accent, var(--brand));background:color-mix(in srgb,var(--accent, var(--brand)) 10%,white);padding:18px;border-radius:8px;margin:24px 0}.disclaimer-box p{margin:0}.ad-slot{display:grid;place-items:center;min-height:140px;border:1px dashed #adc0d4;border-radius:8px;background:#f7fafc;color:#607089;text-align:center;padding:16px;margin:28px 0}.ad-slot span{display:block;color:#263247;font-weight:900}.ad-slot small{max-width:440px}.ad-slot--sidebar{position:sticky;top:92px;min-height:280px}.faq-list{display:grid;gap:10px}details{border:1px solid var(--border);border-radius:8px;padding:16px 18px;background:#fff}summary{cursor:pointer;font-weight:850}details p{margin:12px 0 0;color:var(--muted)}.site-footer{display:flex;justify-content:space-between;gap:28px;padding:36px clamp(18px,4vw,56px);background:#172033;color:#fff}.site-footer p{color:#ffffffb8}.site-footer nav{display:flex;flex-wrap:wrap;gap:12px 18px;justify-content:flex-end;max-width:720px}.site-footer a{color:#fff}@media(max-width:980px){.section-grid,.article-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.article-layout{grid-template-columns:1fr}.sidebar{display:none}}@media(max-width:760px){body{font-size:16px}.menu-toggle{display:inline-flex}.site-header{align-items:flex-start}.site-nav{display:none;position:absolute;left:0;right:0;top:64px;padding:14px 18px;background:#fff;border-bottom:1px solid var(--border)}.site-nav.is-open{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.section-grid,.article-grid,.newsletter-block{grid-template-columns:1fr}.newsletter-block form,.search-box{flex-direction:column}.site-footer{display:block}.site-footer nav{justify-content:flex-start;margin-top:18px}}