:root{--navy:#1c4587;--navy-dk:#123163;--green:#3d7a1f;--green-accent:#8fc34d;--grey:#f0f0f0;--line:#c0c0c0;--link:#1155cc;}
*{box-sizing:border-box;margin:0;padding:0;}
body{background:#e8ecf1;font-family:Arial,Helvetica,sans-serif;font-size:15px;line-height:1.6;color:#222;}
a{color:var(--link);text-decoration:none;}a:hover{text-decoration:underline;}
img{max-width:100%;height:auto;}
.container{max-width:1000px;margin:0 auto;background:#fff;min-height:100vh;box-shadow:0 2px 8px rgba(0,0,0,.08);display:flex;flex-direction:column;}
.header{background:var(--navy);color:#fff;position:sticky;top:0;z-index:100;display:flex;align-items:center;justify-content:space-between;padding:10px 16px;}
.logo{font-size:1.5rem;font-weight:bold;color:#fff;}.logo .fo{color:var(--green-accent);}
.header .sub{font-size:.75rem;color:rgba(255,255,255,.7);text-transform:uppercase;}
.breadcrumb{padding:10px 16px;font-size:.8rem;color:#555;background:#fafafa;border-bottom:1px solid var(--line);}
main{flex:1;padding:16px;}
.hero{text-align:center;margin:10px 0 24px;}
h1{font-size:1.7rem;color:var(--navy);margin-bottom:8px;line-height:1.25;}
.hero p{font-size:1rem;color:#333;max-width:760px;margin:0 auto 14px;}
.btn{display:inline-block;font-weight:bold;padding:12px 24px;font-size:1rem;border:none;cursor:pointer;text-decoration:none;min-height:44px;}
.btn-primary{background:var(--navy);color:#fff;}.btn-primary:hover{background:var(--navy-dk);text-decoration:none;}
.trust{display:flex;justify-content:center;gap:18px;flex-wrap:wrap;font-size:.8rem;color:#555;margin-top:12px;}
.section{margin:24px 0;}
h2{font-size:1.3rem;color:var(--navy);margin-bottom:10px;}
.steps{padding-left:20px;}.steps li{margin-bottom:8px;}
.spec-table{width:100%;border-collapse:collapse;margin:12px 0;font-size:.92rem;}
.spec-table th{background:var(--navy);color:#fff;text-align:left;padding:8px;}
.spec-table td{border:1px solid var(--line);padding:8px;}
details{margin-bottom:10px;background:#fafafa;border:1px solid var(--line);padding:10px 14px;}
summary{font-weight:bold;color:var(--navy);cursor:pointer;}
.cta-band{text-align:center;background:#f0f4fa;padding:24px 16px;margin:24px 0;border:1px solid var(--line);}
.related-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:10px;margin:12px 0;}
.related-grid a{display:block;padding:10px 12px;background:#f9f9f9;border:1px solid var(--line);color:var(--navy);font-weight:600;}
.related-grid a:hover{background:#e8ecf1;text-decoration:none;}
footer{background:var(--grey);padding:16px;font-size:.82rem;border-top:1px solid var(--line);}
footer a{color:var(--navy);font-weight:600;}
.footer-links{display:flex;flex-wrap:wrap;gap:10px 18px;margin:10px 0;}
@media(max-width:600px){h1{font-size:1.4rem;}main{padding:12px;}}