:root{--ink:#07152d;--navy:#102b50;--blue:#155eef;--muted:#62728d;--line:#dbe5f2;--soft:#f5f9ff}
*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:#fff;line-height:1.65}
a{color:inherit}.wrap{max-width:1180px;margin:auto;padding:0 28px}
header{height:76px;border-bottom:1px solid #e5ebf3;display:flex;align-items:center;background:#fff;position:sticky;top:0;z-index:20}
.nav{display:flex;align-items:center;justify-content:space-between;width:100%;gap:28px}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;font-weight:800;letter-spacing:.02em}.brand img{width:38px;height:38px}
.links{display:flex;gap:26px;align-items:center;font-size:14px;font-weight:700}.links a{text-decoration:none}.cta{padding:11px 16px;border-radius:999px;background:var(--ink);color:#fff!important}
.hero{padding:76px 0 58px;background:linear-gradient(180deg,#f7fbff,#fff)}.eyebrow{font-size:12px;letter-spacing:.15em;color:var(--blue);font-weight:800;text-transform:uppercase}
h1{font-size:58px;line-height:1.02;letter-spacing:-.045em;max-width:920px;margin:16px 0 22px}.lead{font-size:20px;color:#4f627e;max-width:850px}
.meta{margin-top:24px;font-size:13px;color:#71819a}.heroimg{margin-top:42px;border:1px solid var(--line);border-radius:22px;padding:24px;background:#fff;box-shadow:0 16px 40px rgba(16,43,80,.08)}.heroimg img{width:100%;height:390px;object-fit:contain}
.layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:58px;padding:62px 0 80px}.toc{position:sticky;top:105px;align-self:start;border-left:2px solid var(--line);padding-left:18px}.toc b{display:block;margin-bottom:12px}.toc a{display:block;text-decoration:none;color:#61718a;font-size:14px;margin:8px 0}.article{max-width:800px}
.article h2{font-size:36px;line-height:1.15;letter-spacing:-.025em;margin:58px 0 18px}.article h2:first-child{margin-top:0}.article h3{font-size:23px;margin:32px 0 10px}.article p{font-size:17px;color:#354963}.factgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:26px 0}.fact{padding:18px;border:1px solid var(--line);border-radius:14px;background:var(--soft)}.fact strong{display:block;font-size:18px}.fact span{font-size:13px;color:#65758e}
.select{width:100%;border-collapse:collapse;margin:24px 0;font-size:14px}.select th,.select td{border-bottom:1px solid var(--line);padding:14px 12px;text-align:left;vertical-align:top}.select th{background:#f7faff}
.inlineimg{border:1px solid var(--line);border-radius:18px;padding:18px;margin:26px 0;background:#fff}.inlineimg img{width:100%;height:300px;object-fit:contain}
.productlinks{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:25px 0}.productlinks a{padding:16px 18px;border:1px solid var(--line);border-radius:13px;text-decoration:none;font-weight:700}.productlinks small{display:block;color:#6d7c92;font-weight:400;margin-top:4px}
.faq{border-top:1px solid var(--line);padding:18px 0}.faq h3{font-size:18px;margin:0 0 6px}.faq p{margin:0}
.bottom{background:#102b50;color:#fff;padding:54px 0}.bottom h2{font-size:36px;margin:0 0 12px}.bottom p{color:#c8d8ef;max-width:760px}.buttons{display:flex;gap:12px;margin-top:24px}.buttons a{background:#fff;color:#102b50;text-decoration:none;padding:13px 18px;border-radius:999px;font-weight:800}
footer{background:#071321;color:#c6d7ef;padding:36px 0;font-size:13px}
@media(max-width:800px){.links{display:none}h1{font-size:40px}.layout{grid-template-columns:1fr}.toc{display:none}.factgrid{grid-template-columns:1fr}.productlinks{grid-template-columns:1fr}.heroimg img{height:260px}.wrap{padding:0 20px}}