:root{--navy:#173d61;--blue:#245f94;--soft:#edf6fd;--line:#dce6ee;--muted:#6f8497;--green:#1c7659;--paper:#fff;--warm:#fff9ef}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;color:var(--navy);background:#fff;line-height:1.6}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto}.container{width:min(1120px,calc(100% - 36px));margin:auto}
.site-head{border-bottom:1px solid var(--line);background:rgba(255,255,255,.97);position:sticky;top:0;z-index:20}.head-row{height:72px;display:flex;align-items:center;gap:22px}.brand{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:850;letter-spacing:-.035em}.brand img{width:34px;height:34px}.brand em{font-style:normal;color:#718096;font-weight:600}.head-nav{margin-left:auto;display:flex;gap:17px;align-items:center;font-size:12px;font-weight:750;color:#587086}.head-nav a:hover{color:var(--blue)}
.breadcrumbs{font-size:12px;color:#7890a3;padding:18px 0 0}.breadcrumbs a{color:#527aa0}.breadcrumbs span{margin:0 7px;color:#a6b4c0}
.hero{background:var(--soft);border-bottom:1px solid #d7e5ef;padding:58px 0 48px}.hero .eyebrow{font-size:12px;text-transform:uppercase;letter-spacing:.11em;font-weight:850;color:#6687a6}.hero h1{font-size:48px;line-height:1.05;letter-spacing:-.05em;margin:7px 0 14px;max-width:860px}.hero p{font-size:17px;color:#5c7489;max-width:800px;margin:0}.hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}.btn{display:inline-flex;align-items:center;justify-content:center;border:1px solid #b9cddd;border-radius:8px;padding:11px 14px;font-size:12px;font-weight:850;background:#fff}.btn.primary{background:var(--navy);color:#fff;border-color:var(--navy)}
.content{padding:48px 0 72px}.content-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:46px}.prose{max-width:790px}.prose h2{font-size:29px;letter-spacing:-.03em;margin:38px 0 10px}.prose h3{font-size:20px;margin:26px 0 8px}.prose p{color:#516b80;margin:0 0 16px}.prose ul,.prose ol{color:#516b80;padding-left:22px}.prose li{margin:7px 0}.callout{background:#f7fafc;border:1px solid var(--line);border-radius:12px;padding:20px;margin:25px 0}.callout strong{display:block;margin-bottom:5px}.side{position:sticky;top:94px;align-self:start}.side-card{border:1px solid var(--line);border-radius:12px;padding:19px;background:#fff;margin-bottom:14px}.side-card h3{font-size:15px;margin:0 0 10px}.side-card a{display:block;padding:7px 0;border-bottom:1px solid #edf2f6;font-size:12px;color:#496d8d}.side-card a:last-child{border-bottom:0}.side-card small{color:#8294a3;display:block;line-height:1.5}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:28px 0}.card{border:1px solid var(--line);border-radius:11px;padding:19px;background:#fff}.card img{width:26px;height:19px;object-fit:cover;border-radius:2px}.card h2,.card h3{margin:10px 0 5px;font-size:18px}.card p{font-size:12px;color:#6c8193}.card a{font-size:12px;color:#2f679f;font-weight:850}
.guide-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:20px}.guide-link{border:1px solid var(--line);border-radius:10px;padding:15px;background:#fff}.guide-link strong{display:block;font-size:14px}.guide-link span{display:block;font-size:11px;color:#7e91a1;margin-top:3px}
.faq{border-top:1px solid var(--line);margin-top:34px}.faq details{border-bottom:1px solid var(--line);padding:14px 0}.faq summary{cursor:pointer;font-weight:800}.faq p{margin:8px 0 0;font-size:14px}.updated{font-size:11px;color:#8092a1;margin-top:25px}.trust{background:var(--warm);border:1px solid #ecdfc9;border-radius:12px;padding:19px;margin-top:28px}.trust h3{margin:0 0 7px;font-size:16px}.trust p{font-size:13px;margin:0;color:#66776e}
.footer{background:#102a43;color:#fff;padding:38px 0 24px}.footer-row{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px}.footer p{font-size:12px;color:#b8c8d5;max-width:440px}.footer h4{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:#d9e3eb;margin:0 0 10px}.footer a{display:block;color:#b5c6d3;font-size:12px;padding:3px 0}.footer-bottom{border-top:1px solid #2f495f;margin-top:24px;padding-top:14px;font-size:11px;color:#8fa3b3}
@media(max-width:860px){.content-grid{grid-template-columns:1fr}.side{position:static}.cards{grid-template-columns:1fr}.guide-grid{grid-template-columns:1fr}.head-nav{display:none}.hero h1{font-size:39px}.footer-row{grid-template-columns:1fr}}