html[data-fc-standard-style="r1"]{--bg:#f4f7fb;--paper:#fff;--paper2:#f9fbfe;--ink:#101827;--muted:#66758a;--soft:#eef4ff;--line:#dbe4f0;--line2:#c8d4e3;--blue:#2451e6;--blue2:#315fcb;--radius:22px;--shadow:0 24px 70px rgba(15,23,42,.08)}html[data-fc-standard-style="r1"] *{box-sizing:border-box}html[data-fc-standard-style="r1"]{scroll-behavior:smooth}html[data-fc-standard-style="r1"] body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:radial-gradient(circle at 12% 0%,rgba(36,81,230,.08),transparent 30%),linear-gradient(180deg,#fff 0%,var(--bg) 38%,var(--bg) 100%);line-height:1.64;font-size:17px}html[data-fc-standard-style="r1"] a{color:inherit}html[data-fc-standard-style="r1"] .wrap{width:min(1180px,calc(100% - 40px));margin:0 auto}html[data-fc-standard-style="r1"] .breadcrumb{padding:22px 0 0;color:var(--muted);font-size:14px}html[data-fc-standard-style="r1"] .breadcrumb a{text-decoration:none;color:var(--muted)}html[data-fc-standard-style="r1"] .hero{padding:18px 0 42px}html[data-fc-standard-style="r1"] .heroBox{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:24px;padding:40px;background:rgba(255,255,255,.94);border:1px solid var(--line);border-radius:32px;box-shadow:var(--shadow)}html[data-fc-standard-style="r1"] .eyebrow{display:inline-flex;align-items:center;padding:8px 14px;margin-bottom:18px;border-radius:999px;background:var(--soft);color:#17356d;font-size:13px;font-weight:800;text-transform:uppercase;letter-spacing:.045em}html[data-fc-standard-style="r1"] h1{margin:0;max-width:860px;font-size:clamp(38px,5vw,58px);line-height:1.05;letter-spacing:-.055em}html[data-fc-standard-style="r1"] .lead{max-width:820px;margin:22px 0 0;color:var(--muted);font-size:20px}html[data-fc-standard-style="r1"] .heroActions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}html[data-fc-standard-style="r1"] .btn{display:inline-flex;min-height:48px;align-items:center;justify-content:center;padding:0 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0;padding:22px;border:1px solid rgba(36,81,230,.18);border-radius:22px;background:linear-gradient(135deg,rgba(36,81,230,.06),#fff)}html[data-fc-standard-style="r1"] .note b{display:block;margin-bottom:7px;color:var(--blue2)}html[data-fc-standard-style="r1"] .warning{border-color:rgba(161,98,7,.25);background:linear-gradient(135deg,rgba(161,98,7,.07),#fff)}html[data-fc-standard-style="r1"] .warning b{color:#7c4a03}html[data-fc-standard-style="r1"] .formulaGrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:22px 0}html[data-fc-standard-style="r1"] .formula{padding:16px;border:1px solid var(--line);border-radius:18px;background:var(--paper2)}html[data-fc-standard-style="r1"] .formula code{display:block;margin-bottom:6px;font-family:Consolas,Monaco,monospace;font-size:16px;color:#0f2c67;font-weight:800;white-space:normal}html[data-fc-standard-style="r1"] .formula span{color:var(--muted);font-size:14px}html[data-fc-standard-style="r1"] table{width:100%;border-collapse:separate;border-spacing:0;margin:22px 0 28px;border:1px solid var(--line);border-radius:20px;overflow:hidden;background:#fff;font-size:15px}html[data-fc-standard-style="r1"] th,html[data-fc-standard-style="r1"] td{padding:14px 15px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}html[data-fc-standard-style="r1"] th{background:#eef4ff;color:#13264a;font-weight:800}html[data-fc-standard-style="r1"] tr:last-child td{border-bottom:0}html[data-fc-standard-style="r1"] .scenario{display:grid;grid-template-columns:180px 1fr;gap:14px;padding:18px;border:1px solid var(--line);border-radius:20px;background:var(--paper2);margin:12px 0}html[data-fc-standard-style="r1"] .scenario b{color:#13264a}html[data-fc-standard-style="r1"] .scenario span{color:var(--muted)}html[data-fc-standard-style="r1"] .cta{margin:36px 0;padding:28px;border-radius:26px;background:linear-gradient(135deg,rgba(16,38,74,.98),rgba(36,81,230,.92)),#10264a;color:#fff;overflow:hidden}html[data-fc-standard-style="r1"] .cta h2{margin:0 0 10px;color:#fff}html[data-fc-standard-style="r1"] .cta p{color:rgba(255,255,255,.82);max-width:760px}html[data-fc-standard-style="r1"] .cta .btn{background:#fff;color:#10264a;margin-top:4px}html[data-fc-standard-style="r1"] .sources{margin-top:42px;padding-top:26px;border-top:1px solid var(--line)}html[data-fc-standard-style="r1"] .sources ol{font-size:14px;color:#405066}html[data-fc-standard-style="r1"] .sources a{color:#2451e6}html[data-fc-standard-style="r1"] .related{margin-top:34px}html[data-fc-standard-style="r1"] .relatedGrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}html[data-fc-standard-style="r1"] .related a{display:block;padding:14px 16px;border:1px solid var(--line);border-radius:16px;background:#f9fbfe;text-decoration:none;color:#20324a;font-weight:700}html[data-fc-standard-style="r1"] .related a:hover{border-color:#a9bee8;color:#1d4ed8}html[data-fc-standard-style="r1"] .verified{display:flex;gap:12px;flex-wrap:wrap;margin:20px 0 0}html[data-fc-standard-style="r1"] .verified span{padding:7px 10px;border:1px solid #dbe4f0;border-radius:999px;background:#fff;color:#526178;font-size:12px;font-weight:700}html[data-fc-standard-style="r1"] .toc{position:sticky;top:96px;background:var(--paper);border:1px solid var(--line);border-radius:22px;padding:20px;box-shadow:0 12px 32px rgba(15,23,42,.045)}html[data-fc-standard-style="r1"] .toc b{display:block;margin-bottom:12px;font-size:14px;text-transform:uppercase;letter-spacing:.05em;color:#14213a}html[data-fc-standard-style="r1"] .toc a{display:block;padding:8px 0;color:#526178;text-decoration:none;font-size:14px;border-bottom:1px solid #eef2f8}html[data-fc-standard-style="r1"] .toc a:hover{color:var(--blue)}
@media(max-width:960px){html[data-fc-standard-style="r1"] .heroBox,html[data-fc-standard-style="r1"] .layout{grid-template-columns:1fr}html[data-fc-standard-style="r1"] .toc{position:static}}@media(max-width:680px){html[data-fc-standard-style="r1"] .wrap{width:min(100% - 28px,1180px)}html[data-fc-standard-style="r1"] .heroBox,html[data-fc-standard-style="r1"] .content{padding:24px}html[data-fc-standard-style="r1"] .formulaGrid,html[data-fc-standard-style="r1"] .miniGrid,html[data-fc-standard-style="r1"] .relatedGrid{grid-template-columns:1fr}html[data-fc-standard-style="r1"] .scenario{grid-template-columns:1fr}}html[data-fc-standard-style="r1"] .sourceFigure{margin:28px 0}html[data-fc-standard-style="r1"] .sourceFigure img{display:block;width:100%;height:auto;border:1px solid var(--line);border-radius:20px;background:#fff}html[data-fc-standard-style="r1"] .sourceFigure figcaption{margin-top:9px;color:var(--muted);font-size:14px;line-height:1.45}html[data-fc-standard-style="r1"] .sourceFigure .sourceMark{display:inline-block;margin-right:8px;padding:3px 8px;border-radius:999px;background:#eef4ff;color:#17356d;font-weight:800;font-size:12px}

html[data-fc-standard-style="r1"] .wrap:not(.heroBox){padding-left:0;padding-right:0}html[data-fc-standard-style="r1"] .heroCard{border:0}html[data-fc-standard-style="r1"] .hero h1,.hero .lead{overflow-wrap:anywhere;hyphens:auto}html[data-fc-standard-style="r1"] .content{overflow-wrap:anywhere}html[data-fc-standard-style="r1"] .content table{display:block;overflow-x:auto;max-width:100%}html[data-fc-standard-style="r1"] h2[id]{scroll-margin-top:110px}