@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700;800&family=Manrope:wght@500;700;800&display=swap');
:root{--ink:#0a2840;--navy:#09233c;--green:#c5f456;--teal:#167c78;--paper:#f5f7f3;--line:#dce7e3;--muted:#546d7c;--radius:24px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font:16px/1.75 'DM Sans',Arial,sans-serif;background:var(--paper)}a{color:#0c6573;text-underline-offset:4px}a:hover{color:#064353}img{max-width:100%;height:auto}button{font:inherit}
.skip{position:absolute;left:-999px}.skip:focus{left:20px;top:20px;z-index:99;background:#fff;padding:10px}
.site-header{background:#fff;border-bottom:1px solid var(--line);position:relative;z-index:10}.head-inner{max-width:1200px;margin:auto;display:flex;align-items:center;justify-content:space-between;padding:17px 24px;gap:25px}.brand{display:inline-flex;align-items:center;padding:7px 12px;background:#073e6d;border-radius:12px;min-width:172px}.brand img{width:174px;height:auto;display:block}.top-nav{display:flex;align-items:center;gap:20px;flex-wrap:wrap}.top-nav a{color:#214255;text-decoration:none;font-size:14px;font-weight:700}.top-nav a:hover{text-decoration:underline}.nav-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:10px;padding:8px 13px}
.hero{background:radial-gradient(circle at 75% 18%,#164f68 0,#0c334d 39%,#081d36 83%);color:white;overflow:hidden;position:relative}.hero-inner{max-width:1200px;min-height:470px;margin:auto;padding:66px 24px;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);align-items:center;gap:20px}.hero-copy{position:relative;z-index:2}.eyebrow{display:inline-block;border:1px solid #80b8ac;color:#b7f2db;border-radius:50px;padding:6px 13px;font-weight:800;font-size:12px;letter-spacing:.09em;text-transform:uppercase}.hero h1{font:800 clamp(37px,4.4vw,64px)/1.09 Manrope,Arial,sans-serif;letter-spacing:-.045em;margin:22px 0}.hero p{color:#d2e5e8;font-size:17px;max-width:630px;line-height:1.7}.hero-cta{display:inline-flex;align-items:center;justify-content:center;background:var(--green);color:#09243c;border:0;border-radius:13px;padding:16px 23px;font-weight:800;margin-top:18px;min-height:52px;cursor:default}.hero-note{display:block;color:#b3d2d5;font-size:12px;margin-top:12px}.hero-art{display:flex;align-items:center;justify-content:center}.hero-art img{width:min(100%,560px);filter:drop-shadow(0 25px 34px #0005);border-radius:16px}.hero-small .hero-inner{min-height:330px;padding-top:52px;padding-bottom:52px}.hero-small .hero-art img{max-width:360px}.hero-small h1{font-size:clamp(34px,3.6vw,52px)}
.breadcrumb{max-width:1200px;margin:0 auto;padding:22px 24px;color:#687d87;font-size:13px}.breadcrumb a{color:#286a74}
.shell{max-width:1200px;margin:0 auto;padding:10px 24px 65px;display:grid;grid-template-columns:minmax(0,1fr) 270px;gap:34px;align-items:start}.article{min-width:0}.article .lead{font-size:19px;line-height:1.75;color:#294a5c;margin:0 0 28px}.section{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px 35px;margin:0 0 22px;box-shadow:0 10px 26px #0a29400a;scroll-margin-top:22px}.section h2{font:800 clamp(23px,2.4vw,30px)/1.3 Manrope,Arial,sans-serif;letter-spacing:-.025em;margin:0 0 18px}.section h3{font:800 19px/1.35 Manrope,Arial,sans-serif;margin:22px 0 9px}.section p{margin:0 0 16px}.section p:last-child{margin-bottom:0}.section ul,.section ol{padding-left:23px;margin:12px 0 18px}.section li{margin-bottom:9px}.section strong{color:#102d43}.side{position:sticky;top:18px}.toc-wrap{background:#fff;border:1px solid var(--line);border-radius:22px;padding:22px;box-shadow:0 8px 24px #0a294009}.toc-wrap h2{font:800 18px Manrope,Arial,sans-serif;margin:0 0 13px}.toc{display:flex;flex-direction:column;align-items:stretch;gap:0;min-width:0}.toc a{display:block;width:100%;padding:11px 2px;border-bottom:1px solid #e6efeb;text-decoration:none;font-size:14px;line-height:1.45;overflow-wrap:anywhere;color:#17656b}.toc a:last-child{border:0}.toc a:hover{color:#073b4c;text-decoration:underline}.aside-tip{background:#dff4e8;border-radius:20px;padding:20px;margin-top:18px;color:#164e48;font-size:14px}.aside-tip strong{display:block;font-size:15px;margin-bottom:5px}
.callout{background:#eaf6f0;border-left:4px solid #21866b;padding:18px 20px;border-radius:12px;margin:18px 0}.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:15px;margin:20px 0}table{width:100%;border-collapse:collapse;min-width:500px}th,td{text-align:left;vertical-align:top;padding:13px 16px;border-bottom:1px solid var(--line)}th{background:#eaf4ef;font-weight:800}tr:last-child td{border-bottom:0}.steps{counter-reset:step;list-style:none!important;padding:0!important}.steps li{counter-increment:step;padding:17px 16px 17px 60px;position:relative;border-bottom:1px solid var(--line)}.steps li:before{content:counter(step);position:absolute;left:8px;top:16px;width:34px;height:34px;border-radius:50%;background:#d8f3ac;display:grid;place-items:center;font-weight:800;color:#173a28}
.related{margin:35px 0}.related h2{font:800 25px Manrope;margin:0 0 16px}.related-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.related a{display:block;padding:22px;background:#fff;border:1px solid var(--line);border-radius:16px;text-decoration:none;color:var(--ink);font-weight:800}.related a span{display:block;color:var(--muted);font-size:13px;font-weight:400;margin-top:7px}.related a:hover{border-color:#0f827a;transform:translateY(-1px)}
.faq-item{border-bottom:1px solid var(--line);padding:18px 0}.faq-item:last-child{border:0}.faq-item h3{margin:0 0 9px}.faq-item p{margin:0}.site-footer{background:#09253e;color:#d4e6e9;padding:50px 24px 28px}.footer-inner{max-width:1200px;margin:auto;display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px}.site-footer a{color:#d4e6e9}.site-footer h2{font:800 18px Manrope;margin:0 0 12px;color:#fff}.footer-links{display:flex;flex-direction:column;gap:9px}.footer-bottom{max-width:1200px;margin:35px auto 0;padding-top:22px;border-top:1px solid #456072;font-size:13px;color:#a9c4ce}
@media(max-width:920px){.shell{grid-template-columns:1fr}.side{position:static;grid-row:1}.hero-inner{grid-template-columns:1.1fr .9fr}.hero-art img{width:100%}.top-nav{gap:12px}}
@media(max-width:690px){.head-inner{padding:12px 18px}.nav-toggle{display:block}.top-nav{display:none;position:absolute;top:100%;left:0;right:0;background:white;box-shadow:0 18px 25px #0002;padding:18px;flex-direction:column;align-items:stretch}.top-nav.open{display:flex}.hero-inner,.hero-small .hero-inner{grid-template-columns:1fr;padding:40px 22px 35px;min-height:auto}.hero-art{max-height:260px;overflow:hidden}.hero-art img{max-width:340px}.hero h1{font-size:clamp(33px,10vw,49px)}.hero-small h1{font-size:clamp(31px,8vw,44px)}.shell{padding:8px 15px 45px;gap:20px}.section{padding:24px 21px;border-radius:18px}.related-grid,.footer-inner{grid-template-columns:1fr}.toc-wrap{padding:18px}.breadcrumb{padding:15px}.hero-cta{width:100%}.brand img{width:145px}.brand{min-width:0}}

/* Header refinement: dark branded canvas instead of a blue logo tile on white. */
.site-header{background:linear-gradient(112deg,#071e36 0%,#0b3555 55%,#0b415d 100%);border-bottom:1px solid #2b6174;box-shadow:0 3px 15px #06172b18}
.head-inner{min-height:92px}
.brand{background:#035c8e;border:1px solid #287ca2;padding:8px 13px;border-radius:13px;box-shadow:0 4px 15px #03192a40;transition:box-shadow .2s ease}
.brand:hover{box-shadow:0 5px 22px #03192a80}
.top-nav a{color:#f0f7fa;font-weight:700}
.top-nav a:hover,.top-nav a:focus-visible{color:#c5f456;text-decoration:underline;text-underline-offset:7px}
.nav-toggle{background:#123b57;border-color:#588296;color:#fff}
@media(max-width:690px){.head-inner{min-height:76px}.top-nav{background:#0a2c47;border-top:1px solid #37667d;box-shadow:0 18px 25px #0004}.top-nav a{color:#fff}.brand{padding:7px 10px}}