:root {
  --navy:#071226;
  --navy-2:#0B1220;
  --blue:#2563EB;
  --blue-2:#1684ff;
  --cyan:#06B6D4;
  --green:#10B981;
  --amber:#F59E0B;
  --red:#EF4444;
  --text:#14213d;
  --muted:#5E6B83;
  --soft:#F8FAFC;
  --line:#E2E8F0;
  --card:#FFFFFF;
  --shadow: 0 18px 50px rgba(10, 28, 54, .11);
  --radius: 24px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
.article p a:not(.btn),.article li a:not(.btn){color:var(--blue);text-decoration:underline}
.btn-ghost,.article .btn-ghost{color:#0f172a!important;background:#ffffff!important;border:1px solid #cbd5e1!important;border-radius:999px!important;padding:13px 22px!important;font-weight:800!important;font-size:14px!important;display:inline-flex!important;align-items:center!important;justify-content:center!important;gap:9px!important;text-decoration:none!important;transition:all .2s ease!important}.btn-ghost:hover,.article .btn-ghost:hover{text-decoration:none!important;background:#F8FAFC!important;border-color:#94a3b8!important;color:#2563EB!important;transform:translateY(-2px)}
.btn-primary,.article .btn-primary{color:#ffffff!important;background:linear-gradient(135deg,#2563EB,#0EA5E9)!important;border:none!important;border-radius:999px!important;padding:14px 24px!important;font-weight:800!important;font-size:14px!important;display:inline-flex!important;align-items:center!important;justify-content:center!important;gap:9px!important;text-decoration:none!important;box-shadow:0 12px 30px rgba(37,99,235,.28)!important;transition:all .2s ease!important}.btn-primary:hover,.article .btn-primary:hover{text-decoration:none!important;color:#ffffff!important;transform:translateY(-2px);box-shadow:0 16px 36px rgba(37,99,235,.35)!important}
.hero{position:relative;overflow:hidden;background:radial-gradient(circle at top right, rgba(6,182,212,.24), transparent 34%), radial-gradient(circle at 10% 30%, rgba(37,99,235,.22), transparent 32%), linear-gradient(135deg,#06102B 0%, #081B3F 55%, #0D3B78 100%);color:white;padding:86px 0 52px}.hero:after{content:"";position:absolute;inset:auto -10% -45% -10%;height:300px;background:radial-gradient(circle, rgba(6,182,212,.18), transparent 60%);pointer-events:none}.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:42px;align-items:center}.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:900;letter-spacing:.08em;text-transform:uppercase;color:#aeefff;background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.15);border-radius:999px;padding:8px 12px}.hero h1{font-size:clamp(42px, 5vw, 70px);line-height:1.02;margin:20px 0 18px;letter-spacing:-.055em}.hero p{font-size:20px;color:#D6E8FF;max-width:760px;margin:0 0 28px}.hero-card{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:28px;padding:14px;box-shadow:0 26px 70px rgba(0,0,0,.35)}.hero-card img{border-radius:20px;aspect-ratio:16/9;object-fit:cover;width:100%}.metric-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}.metric{background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.14);border-radius:18px;padding:12px 14px}.metric strong{display:block;color:#fff;font-size:22px;line-height:1}.metric span{display:block;color:#BFD8FF;font-size:12px;margin-top:4px}.breadcrumb{font-size:13px;color:#D6E8FF;margin-top:18px}.breadcrumb a{color:#D6E8FF}.article-shell{display:grid;grid-template-columns:minmax(0, 760px) 330px;gap:44px;padding:58px 0}.article{min-width:0}.article-meta{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin:0 0 18px}.pill{display:inline-flex;align-items:center;gap:7px;border-radius:999px;background:#EEF6FF;color:#0B4FB4;padding:7px 10px;font-size:13px;font-weight:800}.article h2{font-size:34px;line-height:1.14;letter-spacing:-.03em;margin:54px 0 14px;color:#071226}.article h3{font-size:24px;line-height:1.24;margin:30px 0 12px;color:#0B1F45}.article p{color:#334155;margin:0 0 18px}.article ul,.article ol{padding-left:22px;color:#334155}.article li{margin:8px 0}.lead{font-size:20px;color:#26364f!important}.answer-box,.takeaway-box,.cta-card,.source-card{border:1px solid var(--line);border-radius:24px;background:linear-gradient(180deg,#fff,#F8FBFF);box-shadow:var(--shadow);padding:24px;margin:28px 0}.answer-box{border-color:#BFDBFE;background:linear-gradient(135deg,#EFF6FF,#F8FCFF)}.answer-box h2,.takeaway-box h2,.cta-card h2{margin-top:0}.toc-card{position:sticky;top:102px;align-self:start;background:linear-gradient(180deg,#fff 0%,#F8FAFC 100%);border:1px solid #E2E8F0;border-radius:24px;padding:24px;box-shadow:0 20px 50px rgba(15,23,42,.08);overflow:visible}.toc-card h3{margin:0 0 16px;font-size:18px;font-weight:800;color:#0F172A;letter-spacing:-.02em}.toc-card a:not(.btn){display:block;color:#64748B;font-size:14px;font-weight:600;padding:9px 12px;margin:2px 0;border-radius:10px;transition:all .2s ease;border-left:3px solid transparent;text-decoration:none!important}.toc-card a:not(.btn):hover{color:#0F172A;background:#F1F5F9;transform:translateX(3px)}.toc-card a:not(.btn).active{color:#2563EB!important;background:#EFF6FF!important;border-left:3px solid #2563EB!important;font-weight:800!important;padding-left:15px!important}.toc-cta{margin-top:20px;padding-top:20px;border-top:1px dashed #CBD5E1}.toc-cta .btn{color:#ffffff!important;background:linear-gradient(135deg,#2563EB,#0EA5E9)!important;width:100%!important;white-space:normal!important;text-align:center!important;line-height:1.35!important;padding:14px 16px!important;font-size:13.5px!important;font-weight:800!important;border-radius:16px!important;box-shadow:0 10px 25px rgba(37,99,235,.22)!important;transform:none!important}.toc-cta .btn:hover{color:#ffffff!important;opacity:.92}.image-block{margin:34px 0}.image-block img{border-radius:24px;box-shadow:var(--shadow);border:1px solid var(--line);aspect-ratio:16/9;object-fit:cover;width:100%}.image-block figcaption{font-size:13px;color:#64748B;margin-top:10px}.check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:22px 0}.check-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px}.check-card strong{display:block;color:#071226;margin-bottom:6px}.check-card span{font-size:14px;color:#5E6B83}.stat-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:26px 0}.stat{background:#071226;color:#fff;border-radius:22px;padding:22px}.stat strong{display:block;font-size:30px}.stat span{display:block;color:#A9D7FF;font-size:13px}.faq-item{border-bottom:1px solid var(--line);padding:20px 0}.faq-item h3{font-size:20px;margin:0 0 8px}.related{background:#F8FAFC;padding:54px 0;border-top:1px solid var(--line)}.related-grid,.blog-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.blog-card{background:#fff;border:1px solid var(--line);border-radius:24px;overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;transition:transform .25s cubic-bezier(.16,1,.3,1),box-shadow .25s cubic-bezier(.16,1,.3,1),border-color .25s ease}.blog-card:hover{transform:translateY(-5px);box-shadow:0 24px 60px rgba(10,28,54,.16);border-color:#cbd5e1}.blog-card img{aspect-ratio:16/9;object-fit:cover;width:100%}.blog-card-content{padding:20px}.blog-card h2,.blog-card h3,.section .blog-card h2,.section .blog-card h3{font-size:21px!important;line-height:1.3!important;margin:8px 0 10px;letter-spacing:-.02em}.blog-card h2 a,.blog-card h3 a{color:#071226;text-decoration:none!important;transition:color .2s ease}.blog-card:hover h2 a,.blog-card:hover h3 a,.blog-card h2 a:hover,.blog-card h3 a:hover{color:var(--blue);text-decoration:none!important}.blog-card p{font-size:14px;color:#64748B;margin:0 0 14px}.tag{display:inline-flex;background:#F1F5F9;color:#334155;border-radius:999px;font-size:12px;font-weight:800;padding:5px 9px}.index-hero{padding:94px 0 58px;background:radial-gradient(circle at top right, rgba(6,182,212,.2), transparent 34%),linear-gradient(135deg,#06102B,#0A2657);color:#fff}.index-hero h1{font-size:clamp(46px,5vw,72px);line-height:1.03;letter-spacing:-.055em;margin:18px 0}.index-hero p{font-size:20px;color:#D6E8FF;max-width:840px}.section{padding:58px 0}.section h2{font-size:42px;letter-spacing:-.04em;margin:0 0 18px}.section-intro{color:#64748B;max-width:760px}.feature-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:30px}.feature-mini{background:#fff;border:1px solid var(--line);border-radius:20px;padding:18px;box-shadow:0 10px 30px rgba(10,28,54,.07)}.feature-mini strong{display:block;color:#071226}.feature-mini span{display:block;color:#64748B;font-size:13px;margin-top:6px}.site-footer{background:#06102B;color:#D5E6FF;padding:52px 0 30px;margin-top:0}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:28px}.footer-logo{width:180px;margin-bottom:16px}.site-footer h3{color:#fff;margin:0 0 12px}.site-footer a{display:block;color:#C9DDFF;margin:8px 0}.copyright{border-top:1px solid rgba(255,255,255,.11);margin-top:34px;padding-top:18px;color:#8BA8CF;font-size:13px}.references a{display:block;margin:8px 0}.video-box{background:#071226;color:#fff;border-radius:24px;padding:24px;margin:30px 0}.video-box h2{color:#fff;margin-top:0}.video-box p,.video-box li{color:#D6E8FF}.ai-summary{border-left:5px solid var(--cyan)}.source-note{font-size:13px;color:#64748B}
@media (max-width: 980px){.hero-grid,.article-shell{grid-template-columns:1fr}.toc-card{position:relative;top:auto}.related-grid,.blog-grid{grid-template-columns:1fr 1fr}.feature-row{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}.hero{padding-top:58px}}
@media (max-width: 640px){.hero h1,.index-hero h1{font-size:42px}.hero p,.index-hero p,.lead{font-size:18px}.article h2{font-size:28px}.related-grid,.blog-grid,.check-grid,.stat-strip,.feature-row,.footer-grid{grid-template-columns:1fr}.article-shell{padding-top:34px}.section h2{font-size:34px}}