:root{--bg:#fff;--soft:#f5f8fc;--line:#dbe3ec;--text:#122033;--muted:#5f7286;--blue:#1f6feb;--blue-dark:#0f4fb6;--navy:#0b1f3a;--green:#1e8e5a;--amber:#b66b06}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,"Segoe UI",Arial,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}img{max-width:100%}.container{width:min(1160px,calc(100% - 48px));margin:0 auto}
.article-topbar{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.article-nav{height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}.article-brand img{display:block;height:33px;width:auto}.article-nav-links{display:flex;align-items:center;gap:24px;color:#5b6f84;font-size:14px}.article-nav-links a:hover{color:var(--blue)}.nav-cta{display:inline-flex;align-items:center;justify-content:center;height:42px;padding:0 16px;border-radius:10px;background:var(--blue);color:#fff!important;font-weight:700}.nav-cta:hover{background:var(--blue-dark)}
.article-hero{padding:64px 0 44px;background:linear-gradient(180deg,#f4f8fd 0%,#fff 100%)}.breadcrumbs{display:flex;align-items:center;gap:8px;color:#6b8196;font-size:13px;margin-bottom:28px}.breadcrumbs a{color:var(--blue)}.article-kicker{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:16px;color:#54749d;font-size:12px;font-weight:800;letter-spacing:1.2px}.article-kicker time{color:#75899d;font-weight:500;letter-spacing:0}.article-hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center}.article-hero h1{font-size:50px;line-height:1.07;letter-spacing:-1.8px;margin:0 0 20px}.article-lead{font-size:19px;line-height:1.65;color:#526a80;margin:0}.article-hero figure{margin:0;border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#eaf2fb;box-shadow:0 18px 48px rgba(18,32,51,.11)}.article-hero figure img{display:block;width:100%;aspect-ratio:3/2;object-fit:cover}
.article-layout{display:grid;grid-template-columns:minmax(0,760px) 260px;gap:70px;align-items:start;padding:54px 0 88px}.article-body{font-size:17px;line-height:1.76}.article-body h2{font-size:31px;line-height:1.2;letter-spacing:-.7px;margin:52px 0 16px}.article-body h2:first-child{margin-top:0}.article-body h3{font-size:22px;line-height:1.3;margin:34px 0 12px}.article-body p{margin:0 0 20px;color:#354b61}.article-body strong{color:var(--text)}.article-body a{color:var(--blue);text-decoration:underline;text-decoration-color:#9dbdec;text-underline-offset:3px}.article-body ul,.article-body ol{margin:14px 0 24px;padding-left:24px;color:#354b61}.article-body li{margin:9px 0}.article-body blockquote{margin:28px 0;padding:20px 22px;border-left:4px solid var(--blue);border-radius:0 12px 12px 0;background:#f3f7fc;color:#344c64}.article-body blockquote p{margin:0}.article-body .callout{margin:30px 0;padding:22px 24px;border:1px solid #cdddf1;border-radius:14px;background:#f7fbff}.article-body .callout h3{margin:0 0 10px;font-size:20px}.article-body .callout p:last-child{margin-bottom:0}.article-body .warning{border-color:#ead6ae;background:#fffaf0}.article-body .warning h3{color:#865008}.source-inline{white-space:nowrap;font-size:.82em;font-weight:700}.source-inline:after{content:" ↗";font-size:.8em;text-decoration:none}.checklist{list-style:none!important;padding:0!important}.checklist li{position:relative;padding-left:30px}.checklist li:before{content:"✓";position:absolute;left:0;top:1px;color:var(--green);font-weight:900}
.article-aside{position:sticky;top:102px}.aside-card{border:1px solid var(--line);border-radius:14px;background:#fff;padding:20px;box-shadow:0 8px 24px rgba(18,32,51,.05)}.aside-title{display:block;margin-bottom:12px;font-size:12px;color:#657c93;font-weight:800;letter-spacing:1px}.article-aside nav{display:grid}.article-aside nav a{padding:11px 0;border-bottom:1px solid #edf1f5;color:#405970;font-size:14px;line-height:1.4}.article-aside nav a:last-child{border-bottom:0}.article-aside nav a:hover{color:var(--blue)}.aside-note{margin-top:14px;padding:16px;border-radius:12px;background:#f4f8fd;color:#62788f;font-size:12px;line-height:1.55}
.sources{margin-top:56px;padding-top:30px;border-top:1px solid var(--line)}.sources h2{margin-top:0}.source-list{padding-left:22px!important}.source-list li{margin:12px 0}.source-list a{font-weight:700}.source-list span{display:block;color:#72869a;font-size:14px;line-height:1.5}
.product-band{background:linear-gradient(145deg,#0b1f3a,#0d3970);color:#fff;padding:54px 0}.product-band-grid{display:grid;grid-template-columns:1fr auto;gap:48px;align-items:center}.product-band .eyebrow{color:#83b8ff;font-size:12px;letter-spacing:1.3px;font-weight:800}.product-band h2{font-size:34px;letter-spacing:-.8px;line-height:1.18;margin:10px 0 12px}.product-band p{max-width:760px;color:#bfd0e4;line-height:1.65;margin:0}.product-actions{display:flex;gap:10px}.product-actions a{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 18px;border-radius:10px;font-weight:750;white-space:nowrap}.product-primary{background:#fff;color:#123563}.product-secondary{border:1px solid rgba(255,255,255,.34);color:#fff}
.related{padding:62px 0;background:var(--soft)}.related-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:26px}.related-head h2{font-size:32px;margin:0}.related-head a{color:var(--blue);font-weight:700}.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.related-card{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff;transition:transform .2s ease,box-shadow .2s ease}.related-card:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(18,32,51,.09)}.related-card img{width:100%;aspect-ratio:3/2;object-fit:cover}.related-card div{padding:17px}.related-card small{color:#6481a5;font-weight:800;letter-spacing:.7px}.related-card h3{font-size:18px;line-height:1.35;margin:8px 0 0}.article-footer{padding:24px 0;border-top:1px solid var(--line);color:#6c8095}.article-footer .container{display:flex;align-items:center;justify-content:space-between;gap:24px}.article-footer img{display:block;height:25px}
@media(max-width:960px){.article-hero-grid{grid-template-columns:1fr;gap:30px}.article-hero figure{max-width:680px}.article-layout{grid-template-columns:1fr}.article-aside{display:none}.product-band-grid{grid-template-columns:1fr}.related-grid{grid-template-columns:1fr 1fr}.article-hero h1{font-size:44px}}
@media(max-width:660px){.container{width:min(100% - 28px,1160px)}.article-nav{height:64px}.article-nav-links>a:not(.nav-cta){display:none}.article-brand img{height:29px}.article-hero{padding:42px 0 34px}.article-hero h1{font-size:36px;letter-spacing:-1px}.article-lead{font-size:17px}.article-layout{padding:40px 0 64px}.article-body{font-size:16px}.article-body h2{font-size:27px;margin-top:42px}.product-band{padding:46px 0}.product-band h2{font-size:29px}.product-actions{flex-direction:column}.related-grid{grid-template-columns:1fr}.related-head{align-items:flex-start;flex-direction:column}.article-footer .container{align-items:flex-start;flex-direction:column}}