:root{--bc-blue: #1657d6;--bc-blue-dark: #0f3d99;--bc-blue-tint: #eaf1ff;--bc-ink: #101828;--bc-body: #344054;--bc-muted: #667085;--bc-line: #e4e7ec;--bc-bg: #ffffff;--bc-bg-soft: #f8fafc;--bc-amber: #f79009;--bc-radius: 14px;--bc-max: 1120px;--bc-prose: 720px;--bc-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{margin:0;font-family:var(--bc-font);color:var(--bc-body);background:var(--bc-bg);line-height:1.65;font-size:18px}img{max-width:100%;height:auto;display:block}a{color:var(--bc-blue);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3,h4{color:var(--bc-ink);line-height:1.2;font-weight:700}h1{font-size:2.4rem;letter-spacing:-.02em}h2{font-size:1.7rem;margin-top:2.2em;letter-spacing:-.01em}h3{font-size:1.28rem;margin-top:1.8em}.container{max-width:var(--bc-max);margin:0 auto;padding:0 20px}.site-header{border-bottom:1px solid var(--bc-line);background:#ffffffe6;backdrop-filter:saturate(140%) blur(8px);position:sticky;top:0;z-index:50}.site-header .bar{display:flex;align-items:center;justify-content:space-between;height:66px;gap:16px}.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--bc-ink);font-size:1.12rem}.brand .dot{width:26px;height:26px;border-radius:7px;background:linear-gradient(135deg,var(--bc-blue),var(--bc-blue-dark))}.brand:hover{text-decoration:none}.nav{display:flex;gap:22px;align-items:center}.nav a{color:var(--bc-body);font-weight:600;font-size:.96rem}.nav a.cta{background:var(--bc-blue);color:#fff;padding:9px 16px;border-radius:9px}.nav a.cta:hover{background:var(--bc-blue-dark);text-decoration:none}@media(max-width:720px){.nav a:not(.cta){display:none}h1{font-size:1.9rem}}.page-hero{padding:56px 0 24px}.page-hero p.kicker{color:var(--bc-blue);font-weight:700;text-transform:uppercase;letter-spacing:.08em;font-size:.8rem;margin:0 0 10px}.page-hero h1{margin:0 0 12px;max-width:760px}.page-hero p.lede{font-size:1.15rem;color:var(--bc-muted);max-width:640px;margin:0}.chips{display:flex;flex-wrap:wrap;gap:10px;margin:26px 0 10px}.chip{border:1px solid var(--bc-line);border-radius:999px;padding:7px 14px;font-size:.9rem;font-weight:600;color:var(--bc-body);background:#fff}.chip:hover{border-color:var(--bc-blue);color:var(--bc-blue);text-decoration:none}.chip[aria-current=true]{background:var(--bc-blue);color:#fff;border-color:var(--bc-blue)}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin:30px 0 60px}@media(max-width:900px){.grid{grid-template-columns:1fr 1fr}}@media(max-width:620px){.grid{grid-template-columns:1fr}}.card{border:1px solid var(--bc-line);border-radius:var(--bc-radius);padding:22px;background:#fff;display:flex;flex-direction:column;transition:box-shadow .15s ease,transform .15s ease}.card:hover{box-shadow:0 10px 30px #10182814;transform:translateY(-2px)}.card .tag{font-size:.74rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--bc-blue)}.card h3{margin:10px 0 8px;font-size:1.16rem}.card h3 a{color:var(--bc-ink)}.card p{margin:0 0 14px;color:var(--bc-muted);font-size:.96rem}.card .meta{margin-top:auto;font-size:.82rem;color:var(--bc-muted)}.article{padding:40px 0 20px}.prose{max-width:var(--bc-prose);margin:0 auto}.breadcrumbs{font-size:.85rem;color:var(--bc-muted);margin-bottom:18px}.breadcrumbs a{color:var(--bc-muted)}.article h1{margin:8px 0 14px}.article .dek{font-size:1.2rem;color:var(--bc-muted);margin:0 0 20px}.article .byline{font-size:.88rem;color:var(--bc-muted);border-bottom:1px solid var(--bc-line);padding-bottom:18px;margin-bottom:30px}.prose p,.prose ul,.prose ol{margin:1.1em 0}.prose li{margin:.4em 0}.prose h2{border-top:1px solid var(--bc-line);padding-top:1.2em}.prose blockquote{margin:1.4em 0;padding:4px 20px;border-left:4px solid var(--bc-blue);background:var(--bc-bg-soft);color:var(--bc-ink);border-radius:0 8px 8px 0}.prose table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:.95rem}.prose th,.prose td{border:1px solid var(--bc-line);padding:10px 12px;text-align:left}.prose th{background:var(--bc-bg-soft)}.prose code{background:var(--bc-bg-soft);padding:2px 6px;border-radius:5px;font-size:.9em}.callout{background:var(--bc-blue-tint);border:1px solid #cfe0ff;border-radius:12px;padding:18px 20px;margin:1.6em 0}.callout strong{color:var(--bc-blue-dark)}.cta-block{background:linear-gradient(135deg,var(--bc-blue),var(--bc-blue-dark));color:#fff;border-radius:18px;padding:34px;margin:40px auto;max-width:var(--bc-prose)}.cta-block h3{color:#fff;margin:0 0 8px;font-size:1.5rem}.cta-block p{color:#dbe6ff;margin:0 0 20px}.cta-row{display:flex;gap:12px;flex-wrap:wrap}.btn{display:inline-block;font-weight:700;padding:12px 22px;border-radius:10px;background:#fff;color:var(--bc-blue-dark)}.btn:hover{text-decoration:none;background:#f0f4ff}.btn.ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.6)}.btn.ghost:hover{background:#ffffff1f}.related{max-width:var(--bc-prose);margin:30px auto}.related h2{font-size:1.2rem;border:0;padding:0}.related ul{list-style:none;padding:0;margin:12px 0}.related li{padding:12px 0;border-top:1px solid var(--bc-line)}.related li a{font-weight:600}.site-footer{border-top:1px solid var(--bc-line);background:var(--bc-bg-soft);margin-top:40px;padding:40px 0;color:var(--bc-muted);font-size:.9rem}.site-footer .cols{display:flex;justify-content:space-between;flex-wrap:wrap;gap:24px}.site-footer a{color:var(--bc-body)}.site-footer .links{display:flex;gap:20px;flex-wrap:wrap}.faq{max-width:var(--bc-prose);margin:36px auto}.faq h2{border:0;padding:0}.faq details{border-bottom:1px solid var(--bc-line);padding:14px 0}.faq summary{font-weight:700;color:var(--bc-ink);cursor:pointer;font-size:1.02rem}.faq details p{margin:10px 0 0;color:var(--bc-body)}