:root{--ink:#1e2a3a;--ink-soft:#42506a;--muted:#68788f;--accent:#2456c8;--accent-dark:#1a3f96;--bg:#fff;--bg-soft:#f5f7fa;--border:#e2e7ef;--radius:12px;--max:1060px;--font-body:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;--font-head:Georgia,"Times New Roman",serif}*{box-sizing:border-box}body{margin:0;font-family:var(--font-body);background:var(--bg);color:var(--ink);line-height:1.7;font-size:17px}a{color:var(--accent);text-decoration:underline;text-underline-offset:2px}a:hover{color:var(--accent-dark)}h1,h2,h3{font-family:var(--font-head);line-height:1.3;color:var(--ink);letter-spacing:-.01em}h1{font-size:2rem}h2{font-size:1.5rem;margin-top:2.2em}h3{font-size:1.17rem;margin-top:1.8em;font-family:var(--font-body)}.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}.skip-link{position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;padding:10px 16px;z-index:100;border-radius:0 0 8px 0}.skip-link:focus{left:0}.site-header{border-bottom:1px solid var(--border);background:#fff;position:-webkit-sticky;position:sticky;top:0;z-index:50}.site-header-inner{max-width:var(--max);margin:0 auto;padding:0 20px;display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px}.brand{font-weight:800;font-size:1.35rem;letter-spacing:.12em;text-decoration:none}.brand,.brand:hover{color:var(--ink)}.main-nav{display:flex;gap:4px;flex-wrap:wrap}.main-nav a{color:var(--ink-soft);text-decoration:none;font-size:.95rem;font-weight:600;padding:8px 12px;border-radius:8px}.main-nav a:hover,.main-nav a[aria-current=page]{color:var(--accent);background:var(--bg-soft)}.hero{background:linear-gradient(180deg,#eef3fd,#fff);border-bottom:1px solid var(--border);padding:56px 0 48px}.hero h1{margin:0 0 14px;font-size:2.4rem;max-width:640px}.hero p.lead{font-size:1.12rem;color:var(--ink-soft);max-width:640px;margin:0 0 26px}.cta-row{display:flex;gap:12px;flex-wrap:wrap}.btn{display:inline-block;padding:12px 22px;border-radius:10px;font-weight:700;font-size:.98rem;text-decoration:none;border:1px solid transparent}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-dark);color:#fff}.btn-secondary{background:#fff;color:var(--ink);border-color:var(--border)}.btn-secondary:hover{border-color:var(--accent);color:var(--accent)}.section{padding:44px 0}.section-alt{background:var(--bg-soft);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.section h2{margin-top:0}.section-sub{color:var(--muted);max-width:680px;margin-top:-6px}.card-grid{display:grid;grid-template-columns:repeat(1,1fr);grid-gap:20px;gap:20px;margin-top:24px}@media (min-width:640px){.card-grid{grid-template-columns:repeat(2,1fr)}}@media (min-width:960px){.card-grid{grid-template-columns:repeat(3,1fr)}.card-grid.cols-4{grid-template-columns:repeat(4,1fr)}}.card{border:1px solid var(--border);border-radius:var(--radius);background:#fff;overflow:hidden;display:flex;flex-direction:column;transition:border-color .15s ease,box-shadow .15s ease}.card:hover{border-color:#b9c8ea;box-shadow:0 6px 20px rgba(36,86,200,.08)}.card-visual{height:120px;background:linear-gradient(135deg,#dbe6fb,#eef3fd 60%,#f5f7fa);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:center;color:var(--accent);font-weight:800;letter-spacing:.08em;font-size:.8rem;text-transform:uppercase}.card-body{padding:18px;display:flex;flex-direction:column;flex-grow:1}.card-kicker{font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--accent);margin-bottom:8px}.card-title{margin:0 0 8px;font-size:1.08rem;line-height:1.4}.card-title a{color:var(--ink);text-decoration:none}.card-title a:hover{color:var(--accent)}.card-excerpt{font-size:.93rem;color:var(--muted);margin:0;flex-grow:1}.card-meta{font-size:.8rem;color:var(--muted);margin-top:12px}.cat-grid{display:grid;grid-template-columns:repeat(1,1fr);grid-gap:16px;gap:16px;margin-top:24px}@media (min-width:720px){.cat-grid{grid-template-columns:repeat(2,1fr)}}.cat-tile{display:block;border:1px solid var(--border);border-radius:var(--radius);padding:22px;text-decoration:none;background:#fff}.cat-tile:hover{border-color:#b9c8ea;box-shadow:0 6px 20px rgba(36,86,200,.08)}.cat-tile h3{margin:0 0 6px;font-family:var(--font-body);font-size:1.1rem;color:var(--ink)}.cat-tile p{margin:0;font-size:.93rem;color:var(--muted)}.article-head{padding:40px 0 8px}.article-head h1{margin:0 0 12px;max-width:760px}.article-lead{font-size:1.12rem;color:var(--ink-soft);max-width:760px}.byline{font-size:.88rem;color:var(--muted);margin:16px 0 0}.breadcrumbs{font-size:.85rem;color:var(--muted);margin-bottom:14px}.breadcrumbs a{text-decoration:none}.breadcrumbs ol{list-style:none;margin:0;padding:0;display:flex;gap:8px;flex-wrap:wrap}.breadcrumbs li+li:before{content:"›";margin-right:8px;color:#9aa7bc}.article-body{max-width:760px}.article-body table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:.94rem}.article-body td,.article-body th{border:1px solid var(--border);padding:10px 12px;text-align:left}.article-body th{background:var(--bg-soft)}.article-body ol,.article-body ul{padding-left:1.4em}.article-body li{margin-bottom:.4em}.checklist{background:var(--bg-soft);border:1px solid var(--border);border-radius:var(--radius);padding:20px 22px;margin:2em 0}.checklist h2,.checklist h3{margin-top:0}.related{border-top:1px solid var(--border);margin-top:48px;padding-top:28px}.editorial-note{border-left:4px solid var(--accent);background:var(--bg-soft);padding:14px 18px;border-radius:0 10px 10px 0;font-size:.93rem;color:var(--ink-soft);margin:2em 0;max-width:760px}.site-footer{border-top:1px solid var(--border);background:#101a2c;margin-top:56px}.site-footer,.site-footer a{color:#c6d2e4}.site-footer a:hover{color:#fff}.footer-inner{max-width:var(--max);margin:0 auto;padding:44px 20px 28px;display:grid;grid-gap:28px;gap:28px}@media (min-width:760px){.footer-inner{grid-template-columns:1.2fr 1fr 1fr}}.footer-brand{color:#fff;font-weight:800;letter-spacing:.12em;font-size:1.1rem}.footer-tag{font-size:.9rem;color:#93a3bd;max-width:300px}.footer-head{color:#fff;font-size:.82rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;margin:0 0 12px}.footer-list{list-style:none;margin:0;padding:0;font-size:.93rem}.footer-list li{margin-bottom:8px}.footer-base{border-top:1px solid #24334d;padding:18px 20px;font-size:.83rem;color:#93a3bd}.footer-base-inner{max-width:var(--max);margin:0 auto}.page-head{padding:40px 0 6px}.page-head h1{margin:0 0 10px}.page-body{max-width:760px;padding-bottom:16px}.contact-box{border:1px solid var(--border);border-radius:var(--radius);padding:22px;background:var(--bg-soft);max-width:760px}.notfound{text-align:center;padding:72px 20px}@media (max-width:560px){body{font-size:16px}.hero{padding:40px 0 36px}.hero h1{font-size:1.8rem}h1{font-size:1.6rem}}