:root{
  --blue:#0758d8;
  --blue-dark:#063c9f;
  --ink:#111827;
  --muted:#566176;
  --line:#dfe5ef;
  --soft:#f6f9fd;
  --ok:#0f7a3a;
  --ok-bg:#e8f7ee;
  --serif:Georgia,'Times New Roman',serif;
  --sans:'Segoe UI',Tahoma,Geneva,Verdana,sans-serif;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:#fff;font-family:var(--sans);font-size:15px;line-height:1.5}a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%;display:block}.container{width:min(1180px,calc(100% - 48px));margin:auto}.skip-link{position:absolute;left:-9999px}.skip-link:focus{left:12px;top:12px;background:#fff;padding:10px;z-index:99}
.site-header{border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:20}.header-inner{height:76px;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:10px;color:#0d1f49;min-width:max-content}.brand:hover{text-decoration:none}.brand strong{font-size:28px;line-height:1;display:block}.brand small{font-size:11px;color:#29354d;display:block;margin-top:5px}.main-nav{display:flex;gap:22px;margin-left:auto;flex-wrap:wrap;justify-content:flex-end}.main-nav a{color:#111827;font-weight:600;font-size:14px}.main-nav a[aria-current="page"]{color:var(--blue)}.search-button,.menu-toggle{border:1px solid var(--line);background:#fff;border-radius:6px;height:38px;padding:0 12px;font-weight:700}.search-button{font-size:24px;line-height:1;display:none}.menu-toggle{display:none}
.page-grid{display:grid;grid-template-columns:minmax(0,2.15fr) minmax(290px,.92fr);gap:56px;padding-top:28px;padding-bottom:30px}.breadcrumbs{display:flex;gap:10px;align-items:center;flex-wrap:wrap;font-size:13px;color:#637089;margin-bottom:14px}.article h1{font:700 clamp(36px,4.2vw,58px)/1.08 var(--serif);letter-spacing:-1.2px;margin:0 0 18px}.dek{font-size:19px;line-height:1.52;color:#28354a;margin:0 0 22px;max-width:94%}.meta-row{display:flex;align-items:center;gap:26px;flex-wrap:wrap;margin-bottom:18px;font-size:13px}.author{display:flex;align-items:center;gap:10px}.author img{width:38px;height:38px;border-radius:50%;object-fit:cover}.author span{display:flex;flex-direction:column}.author small,.related small{color:#68758a}.meta-item{color:#172139}.category{font-weight:700}.hero{width:100%;aspect-ratio:2.2/1;object-fit:cover;border-radius:2px;margin-bottom:20px}.article section{border-bottom:1px solid #ccd5e2;padding:0 0 16px;margin-bottom:16px}.article section:last-of-type{border-bottom:0}.article h2{font:700 28px/1.2 var(--serif);margin:0 0 10px}.article h3{font:700 20px/1.25 var(--serif);margin:16px 0 8px}.article p{margin:0 0 12px}.article ul,.article ol{padding-left:20px;margin:8px 0 12px}.article li{margin:6px 0}.article li::marker{color:var(--blue)}.table-wrap{overflow:auto;margin-top:12px}table{border-collapse:collapse;width:100%;min-width:650px;font-size:13px}th,td{border:1px solid #c8d4e5;padding:10px 12px;text-align:left;vertical-align:top}thead th{background:#0c54c7;color:#fff;text-align:center}tbody th{font-weight:700;width:18%}blockquote{display:flex;gap:16px;margin:14px 0 18px;border:1px solid #bfd0e9;border-left:5px solid #dfe7f3;border-radius:6px;padding:14px 18px;color:#26334c;font-style:italic}blockquote>span{font-size:48px;color:#0b61e5;font-weight:800;line-height:.9}blockquote p{margin:0}blockquote small{font-style:normal}
.cta-box{background:linear-gradient(135deg,#f3f7fd 0%,#e8f0fb 100%);border:1px solid #c9d8ef;border-radius:8px;padding:22px;margin:18px 0}.cta-box h2,.cta-box h3{margin-top:0}.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:12px}.btn{display:inline-flex;align-items:center;justify-content:center;height:42px;padding:0 18px;border-radius:6px;font-weight:700;border:0;cursor:pointer}.btn-primary{background:var(--blue);color:#fff}.btn-primary:hover{background:var(--blue-dark);text-decoration:none;color:#fff}.btn-secondary{background:#fff;color:var(--blue);border:1px solid #9bb6e4}.btn-secondary:hover{text-decoration:none}
.feature-list{display:grid;gap:14px;margin:16px 0}.feature-item h3{margin:0 0 6px}.feature-item p{margin:0;color:#334155}
.internal-links{background:var(--soft);border:1px solid var(--line);border-radius:8px;padding:18px;margin:20px 0}.internal-links h2{font:700 22px/1.2 var(--serif);margin:0 0 10px}.internal-links ul{margin:0;padding-left:18px}.internal-links li{margin:8px 0}
.sidebar{display:flex;flex-direction:column;gap:18px}.card{border:1px solid var(--line);border-radius:7px;padding:22px;background:#fff}.card h2{font:700 22px/1.15 var(--serif);margin:0 0 15px}.card p{margin:0 0 15px}.card hr{border:0;border-top:1px solid var(--line);margin:17px 0}.icon-circle{display:inline-grid;place-items:center;width:26px;height:26px;border-radius:50%;background:var(--blue);color:#fff;font:700 16px var(--sans);margin-right:7px}.related{display:grid;grid-template-columns:78px 1fr;gap:12px;color:#111827;margin:0 0 16px}.related:last-child{margin-bottom:0}.related img{width:78px;height:78px;object-fit:cover;border-radius:2px}.related span{display:flex;flex-direction:column;gap:7px}.related b{line-height:1.25}.newsletter input,.footer-form input,.contact-form input,.contact-form textarea{width:100%;height:42px;border:1px solid #cbd6e7;border-radius:4px;padding:0 12px;font:inherit}.contact-form textarea{height:120px;padding:12px;resize:vertical}.newsletter button,.contact-form button{width:100%;height:40px;border:0;border-radius:4px;background:var(--blue);color:#fff;font-weight:700;margin:10px 0;cursor:pointer}.newsletter button:disabled,.contact-form button:disabled,.footer-form button:disabled{opacity:.75;cursor:default}.form-message{display:none;margin-top:10px;padding:12px 14px;border-radius:6px;font-size:14px;line-height:1.4}.form-message.is-visible{display:block}.form-message.success{background:var(--ok-bg);color:var(--ok);border:1px solid #b7e0c5}.form-message.error{background:#fdeeee;color:#9b1c1c;border:1px solid #f0c2c2}.newsletter small{color:#707b8f}.tags{display:flex;flex-wrap:wrap;gap:8px}.tags a{border:1px solid #77a2ef;border-radius:4px;padding:4px 9px;font-size:13px}.disclosure{display:flex;gap:14px;align-items:center}.disclosure p{margin:0}.shield{display:grid;place-items:center;width:44px;height:50px;border:3px solid var(--blue);border-radius:12px 12px 18px 18px;color:var(--blue);font-size:22px;font-weight:800}
.site-footer{border-top:1px solid var(--line);padding:28px 0 18px;background:#fafbfd}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,.85fr) 1.2fr;gap:32px}.footer-grid h3{font-size:14px;margin:0 0 11px}.footer-grid>div>a{display:block;color:#172139;margin:7px 0}.footer-grid p{margin:8px 0}.footer-brand .brand strong{font-size:24px}.footer-form{display:flex;flex-wrap:wrap}.footer-form input{border-radius:4px 0 0 4px;flex:1;min-width:0}.footer-form button{width:42px;border:0;border-radius:0 4px 4px 0;background:var(--blue);color:#fff;font-size:20px;cursor:pointer}.footer-form .form-message{flex:0 0 100%;width:100%;margin-top:10px}.copyright{text-align:center;color:#718096;font-size:12px;margin-top:25px}.legal-page{max-width:820px;padding:48px 0 70px}.legal-page h1{font:700 42px/1.1 var(--serif);margin:18px 0}.legal-page h2{font:700 24px/1.2 var(--serif);margin:28px 0 10px}.legal-page p,.legal-page li{color:#28354a}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(max-width:960px){
  .container{width:min(100% - 32px,900px)}.header-inner{height:68px}.brand strong{font-size:24px}.brand small{display:none}
  .main-nav{position:absolute;left:0;right:0;top:68px;display:none;flex-direction:column;background:#fff;border-bottom:1px solid var(--line);padding:18px 24px;gap:16px}.main-nav.open{display:flex}.menu-toggle{display:block;margin-left:auto}
  .page-grid{grid-template-columns:1fr;gap:28px}.sidebar{display:grid;grid-template-columns:1fr 1fr;align-items:start}.about-card{grid-column:1/-1}.article h1{font-size:42px}.dek{max-width:none}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr}.footer-grid>div:nth-child(4),.footer-grid>div:nth-child(5){margin-top:8px}
}
@media(max-width:640px){
  body{font-size:14px}.container{width:min(100% - 24px,600px)}.header-inner{height:62px}.brand img{width:36px;height:36px}.brand strong{font-size:22px}.main-nav{top:62px}.page-grid{padding-top:18px}
  .article h1{font-size:34px;letter-spacing:-.7px}.dek{font-size:17px}.meta-row{gap:13px}.hero{aspect-ratio:1.6/1}.article h2{font-size:24px}.sidebar{display:flex}.card{padding:18px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:25px}.footer-brand,.footer-grid>div:last-child{grid-column:1/-1}.footer-grid>div:nth-child(4){margin-top:0}
  .home-hero{padding:36px 0 28px}.home-hero h1{font-size:36px}.guide-grid,.article-grid{grid-template-columns:1fr}.section-head{flex-direction:column;align-items:flex-start}
}

/* Hub homepage */
.home-hero{padding:48px 0 36px;background:linear-gradient(160deg,#f4f8fd 0%,#fff 55%,#eef4fb 100%);border-bottom:1px solid var(--line)}
.home-hero-inner{display:grid;gap:18px;max-width:820px}
.home-hero .eyebrow{font-size:13px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--blue);margin:0}
.home-hero h1{font:700 clamp(40px,5vw,64px)/1.05 var(--serif);letter-spacing:-1.4px;margin:0;color:#0d1f49}
.home-hero .lead{font-size:19px;line-height:1.55;color:#28354a;margin:0;max-width:640px}
.home-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:6px}
.home-section{padding:42px 0 10px}.section-head{display:flex;justify-content:space-between;align-items:end;gap:16px;margin-bottom:22px}.section-head h2{font:700 clamp(28px,3vw,36px)/1.15 var(--serif);margin:0}.section-head p{margin:0;color:var(--muted);max-width:420px}.section-head a{font-weight:700;white-space:nowrap}
.guide-grid,.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.guide-card,.article-card{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:#fff;color:inherit;transition:border-color .2s,box-shadow .2s}.guide-card:hover,.article-card:hover{border-color:#9bb6e4;box-shadow:0 8px 24px rgba(7,88,216,.08);text-decoration:none}.guide-card img,.article-card img{width:100%;aspect-ratio:16/10;object-fit:cover}.guide-card .body,.article-card .body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px;flex:1}.guide-card h3,.article-card h3{font:700 20px/1.25 var(--serif);margin:0;color:var(--ink)}.guide-card p,.article-card p{margin:0;color:#445066;font-size:14px;flex:1}.card-meta{font-size:12px;color:#68758a}.home-cta{margin:36px auto 48px}.topic-strip{display:flex;flex-wrap:wrap;gap:10px;margin-top:10px}.topic-strip a{border:1px solid #77a2ef;border-radius:4px;padding:6px 12px;font-size:13px;font-weight:600}
.page-intro{padding:28px 0 8px}.page-intro h1{font:700 clamp(36px,4vw,52px)/1.08 var(--serif);margin:0 0 12px}.page-intro .dek{max-width:720px}
@media(max-width:960px){.guide-grid,.article-grid{grid-template-columns:1fr 1fr}}


/* Image polish */
.hero{width:100%;aspect-ratio:1200/550;object-fit:cover;object-position:center;border-radius:4px;margin-bottom:22px;background:#e8eef7}
.guide-card img,.article-card img{width:100%;aspect-ratio:16/10;object-fit:cover;object-position:center;background:#e8eef7}
.related img{width:78px;height:78px;object-fit:cover;object-position:center;border-radius:4px;background:#e8eef7}
.author img{width:38px;height:38px;border-radius:50%;object-fit:cover;object-position:center}
.faq-list{margin:12px 0 0}.faq-list details{border:1px solid var(--line);border-radius:6px;padding:12px 14px;margin:0 0 10px;background:#fff}.faq-list summary{font-weight:700;cursor:pointer}.faq-list details p{margin:10px 0 0;color:#334155}
.tip-box{background:#f7fafc;border-left:4px solid var(--blue);padding:14px 16px;margin:14px 0;border-radius:0 6px 6px 0}.tip-box strong{display:block;margin-bottom:4px}