:root{--ink:#17313a;--muted:#60747b;--paper:#fbfcf8;--card:#ffffff;--aqua:#2f7f83;--aqua2:#dcefee;--sun:#e7b85c;--line:#d8e2df;--max:1120px}
*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--paper);color:var(--ink);line-height:1.7}
a{color:#216c72;text-decoration-thickness:1px;text-underline-offset:3px}.wrap{width:min(var(--max),calc(100% - 36px));margin:auto}
header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}.top{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px}.brand{font-weight:800;font-size:1.18rem;text-decoration:none;color:var(--ink)}nav{display:flex;gap:18px;flex-wrap:wrap}nav a{text-decoration:none;color:var(--ink);font-size:.94rem}
.hero{padding:76px 0 56px;background:linear-gradient(135deg,#edf7f5,#fff8e9)}.eyebrow{font-size:.78rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--aqua)}
h1{font-size:clamp(2.2rem,5vw,4.6rem);line-height:1.03;max-width:900px;margin:.25em 0}h2{font-size:clamp(1.5rem,3vw,2.25rem);line-height:1.2;margin-top:2.2rem}h3{line-height:1.3}
.lead{font-size:1.18rem;max-width:760px;color:#36545d}.btn{display:inline-block;background:var(--ink);color:white;padding:13px 18px;border-radius:10px;text-decoration:none;font-weight:750;margin:8px 8px 8px 0}.btn.alt{background:var(--aqua)}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:24px}.card h3{margin-top:0}.section{padding:52px 0}.article{max-width:780px;margin:0 auto;padding:48px 0}.article p,.article li{font-size:1.04rem}.note{background:#eef6f5;border-left:4px solid var(--aqua);padding:18px 20px;border-radius:8px;margin:24px 0}.warning{background:#fff5df;border-left-color:var(--sun)}
.cta{background:var(--ink);color:white;border-radius:18px;padding:28px;margin:34px 0}.cta a{color:white}.cta .btn{background:white;color:var(--ink)}
.breadcrumbs{font-size:.88rem;color:var(--muted);margin-bottom:20px}.small{font-size:.88rem;color:var(--muted)}footer{border-top:1px solid var(--line);padding:34px 0 50px;background:#fff;margin-top:50px}.footerlinks{display:flex;gap:18px;flex-wrap:wrap}
table{width:100%;border-collapse:collapse;margin:22px 0}th,td{border:1px solid var(--line);padding:12px;text-align:left;vertical-align:top}th{background:#eef6f5}
@media(max-width:800px){.grid{grid-template-columns:1fr}.top{align-items:flex-start;padding:15px 0;flex-direction:column}header{position:static}.hero{padding:52px 0}nav{gap:12px}}

.productbox{background:#fff;border:2px solid var(--aqua);border-radius:16px;padding:22px;margin:26px 0;box-shadow:0 8px 26px rgba(23,49,58,.07)}
.productbox h3{font-size:1.45rem;margin:.25rem 0 .5rem}
.offerstrip{background:var(--aqua2);border-radius:12px;padding:17px 19px;margin:26px 0}
.offerstrip a{font-weight:800;margin-left:5px}

.quickfacts{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:24px 0}.quickfacts div{background:#eef6f5;border-radius:12px;padding:16px}.quickfacts strong{display:block;font-size:1.05rem}
.checklist li{margin-bottom:9px}.toc{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 22px;margin:24px 0}.toc a{margin-right:14px}
@media(max-width:800px){.quickfacts{grid-template-columns:1fr}}