:root{
  --navy:#081b4e;--navy2:#0d2d68;--blue:#2f86b5;--sky:#69c2e6;--ice:#eaf7fc;
  --ink:#14213d;--muted:#5f6b7b;--line:#d8e6ee;--white:#fff;--soft:#f7fbfd;
  --green:#1f7a59;--amber:#8a5a00;--shadow:0 16px 45px rgba(10,36,90,.12);
  --radius:22px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:#fff;line-height:1.68}
a{color:var(--navy2);text-decoration-thickness:1px;text-underline-offset:3px}
img{max-width:100%;height:auto}
.container{width:min(1180px,92vw);margin-inline:auto}
.reading{width:min(790px,92vw);margin-inline:auto}
.topbar{background:var(--navy);color:white;font-size:.86rem;text-align:center;padding:.55rem 1rem}
.site-header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.header-row{min-height:74px;display:flex;align-items:center;justify-content:space-between;gap:1.2rem}
.brand img{width:230px;display:block}
.nav{display:flex;align-items:center;gap:1.1rem}
.nav a{text-decoration:none;font-weight:650;color:var(--ink);font-size:.95rem}
.nav a:hover{color:var(--blue)}
.menu-btn{display:none;border:1px solid var(--line);background:white;border-radius:12px;padding:.6rem .75rem;font-weight:700}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.45rem;padding:.9rem 1.15rem;border-radius:14px;text-decoration:none;font-weight:800;border:1px solid transparent;transition:.2s ease;cursor:pointer}
.btn-primary{background:linear-gradient(135deg,var(--navy),var(--blue));color:#fff;box-shadow:0 9px 24px rgba(8,27,78,.22)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 13px 30px rgba(8,27,78,.28)}
.btn-secondary{background:#fff;color:var(--navy);border-color:#bfd9e7}
.btn-small{padding:.68rem .92rem;border-radius:12px;font-size:.9rem}
.hero{background:linear-gradient(135deg,#f5fbfe 0%,#e4f5fb 55%,#d4ecf7 100%);overflow:hidden;border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;align-items:center;gap:2rem;padding:64px 0}
.eyebrow{display:inline-flex;align-items:center;gap:.45rem;background:#fff;border:1px solid #cde2ed;border-radius:999px;padding:.38rem .7rem;font-weight:750;color:var(--navy2);font-size:.83rem}
h1,h2,h3{line-height:1.13;color:#0b1736;letter-spacing:-.02em}
h1{font-size:clamp(2.25rem,5vw,4.25rem);margin:.9rem 0 1rem}
h2{font-size:clamp(1.55rem,3vw,2.45rem);margin:2.2rem 0 .8rem}
h3{font-size:1.25rem;margin:1.7rem 0 .5rem}
.lead{font-size:1.15rem;color:#3f4e60;max-width:760px}
.hero-actions,.cta-actions{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:1.4rem}
.hero-art{position:relative;min-height:420px;display:grid;place-items:center}
.hero-art:before{content:"";position:absolute;width:360px;height:360px;border-radius:50%;background:rgba(255,255,255,.67);filter:blur(1px)}
.hero-art img{position:relative;width:min(480px,100%);filter:drop-shadow(0 20px 28px rgba(8,27,78,.24))}
.trust-row{display:flex;flex-wrap:wrap;gap:.6rem;margin-top:1.2rem}
.trust-chip{background:rgba(255,255,255,.86);border:1px solid #cde2ed;border-radius:999px;padding:.38rem .68rem;font-size:.83rem;color:#425365}
.notice{padding:1rem 1.1rem;border-radius:16px;border:1px solid #d6e8f1;background:#f8fcfe;color:#3f4e60;margin:1.2rem 0}
.notice.warning{background:#fff9eb;border-color:#f0dfad;color:#5d4b1b}
.notice.medical{background:#f4f8fb;border-color:#cfdde6}
.section{padding:58px 0}
.section.soft{background:var(--soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.25rem;box-shadow:0 8px 28px rgba(10,36,90,.055)}
.card h3{margin-top:.15rem}
.card p:last-child{margin-bottom:0}
.card-link{text-decoration:none;color:inherit;display:block;height:100%}
.card-link:hover{border-color:#9ac8dd;transform:translateY(-2px)}
.kicker{font-size:.8rem;text-transform:uppercase;letter-spacing:.08em;color:var(--blue);font-weight:850}
.page-hero{background:linear-gradient(135deg,#f7fcfe,#e9f7fc);border-bottom:1px solid var(--line);padding:46px 0}
.page-hero h1{font-size:clamp(2rem,4vw,3.55rem);max-width:900px}
.breadcrumbs{font-size:.88rem;color:var(--muted);margin-bottom:.8rem}
.breadcrumbs a{color:var(--muted)}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:2rem;align-items:start;padding:46px 0}
.article{min-width:0}
.article p,.article li{font-size:1.04rem}
.article ul{padding-left:1.2rem}
.sidebar{position:sticky;top:98px}
.product-card{text-align:center;background:linear-gradient(180deg,#eef9fd,#fff);border:1px solid #cfe5ef;border-radius:24px;padding:1rem;box-shadow:var(--shadow)}
.product-card img{width:190px}
.product-card .btn{width:100%;margin-top:.55rem}
.mini{font-size:.78rem;color:var(--muted)}
.toc{border:1px solid var(--line);border-radius:18px;padding:1rem 1.1rem;background:#fbfdfe;margin:1.2rem 0}
.toc strong{display:block;margin-bottom:.45rem}
.toc a{display:block;margin:.28rem 0}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:18px;margin:1.1rem 0}
table{border-collapse:collapse;width:100%;min-width:640px;background:white}
th,td{text-align:left;padding:.9rem 1rem;border-bottom:1px solid var(--line);vertical-align:top}
th{background:#eef8fc;color:#13244c}
tr:last-child td{border-bottom:0}
.check{color:var(--green);font-weight:800}
.caution{color:var(--amber);font-weight:800}
.source-note{font-size:.85rem;color:var(--muted);border-left:3px solid #9dcfe3;padding-left:.85rem;margin:1rem 0}
.cta-band{background:linear-gradient(135deg,var(--navy),#174a87);color:white;border-radius:26px;padding:1.5rem;margin:2rem 0;display:grid;grid-template-columns:1fr 180px;gap:1rem;align-items:center;overflow:hidden}
.cta-band h2,.cta-band h3{color:#fff;margin:.1rem 0 .6rem}
.cta-band p{color:#dbeaf3;margin:.3rem 0}
.cta-band img{width:170px;filter:drop-shadow(0 15px 22px rgba(0,0,0,.2))}
.cta-band .btn{background:white;color:var(--navy)}
.related{display:grid;grid-template-columns:repeat(3,1fr);gap:.8rem}
.related a{display:block;text-decoration:none;border:1px solid var(--line);border-radius:15px;padding:.9rem;background:#fff;font-weight:700}
.related a:hover{background:#f4fbfe}
.footer{background:#071632;color:#d4dfeb;margin-top:50px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:2rem;padding:44px 0}
.footer h3{color:#fff;margin-top:0}
.footer a{color:#d9edf7}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:1rem 0 1.4rem;font-size:.82rem;color:#aebdd0}
.footer-logo{filter:brightness(0) invert(1);opacity:.92;width:220px}
.promo-overlay{position:fixed;inset:0;z-index:99;background:rgba(4,13,37,.88);display:none;align-items:center;justify-content:center;padding:18px}
.promo-overlay.is-open{display:flex}
.promo-shell{position:relative;width:min(980px,96vw);max-height:92vh;overflow:auto;background:linear-gradient(135deg,#fff,#eaf8fd);border-radius:28px;box-shadow:0 30px 100px rgba(0,0,0,.42);display:grid;grid-template-columns:1fr .9fr;align-items:center}
.promo-copy{padding:clamp(1.4rem,4vw,3.2rem)}
.promo-copy h2{font-size:clamp(2rem,4vw,3.5rem);margin:.6rem 0}
.promo-copy .btn{width:100%;margin-top:.7rem}
.promo-img{min-height:480px;background:linear-gradient(180deg,#d9f0fa,#b8ddeb);display:grid;place-items:center;padding:1rem}
.promo-img img{width:min(420px,90%)}
.promo-close{position:absolute;right:14px;top:14px;z-index:2;width:40px;height:40px;border-radius:50%;border:1px solid #cad9e3;background:white;font-size:1.4rem;cursor:pointer}
.badge{display:inline-block;padding:.32rem .62rem;border-radius:999px;background:#e9f7fc;color:#144f78;font-weight:800;font-size:.78rem}
.facts{display:grid;grid-template-columns:repeat(4,1fr);gap:.8rem;margin:1.2rem 0}
.fact{border:1px solid var(--line);background:#fff;border-radius:16px;padding:.9rem}
.fact strong{display:block;color:var(--navy);font-size:1.05rem}
.updated{font-size:.86rem;color:var(--muted)}
hr{border:0;border-top:1px solid var(--line);margin:2rem 0}
code{white-space:normal;word-break:break-word;background:#f1f5f8;padding:.12rem .3rem;border-radius:5px}
@media(max-width:900px){
  .hero-grid,.article-layout,.promo-shell,.cta-band{grid-template-columns:1fr}
  .hero-art{min-height:300px}
  .sidebar{position:static}
  .grid-3,.facts{grid-template-columns:repeat(2,1fr)}
  .related{grid-template-columns:1fr 1fr}
  .promo-img{min-height:260px;order:-1}
  .promo-img img{width:260px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:720px){
  .menu-btn{display:block}
  .nav{display:none;position:absolute;left:4vw;right:4vw;top:72px;flex-direction:column;align-items:stretch;background:white;border:1px solid var(--line);border-radius:18px;padding:.8rem;box-shadow:var(--shadow)}
  .nav.is-open{display:flex}
  .nav .btn{width:100%}
  .brand img{width:190px}
  .hero-grid{padding:42px 0}
  .grid-3,.grid-2,.facts,.related,.footer-grid{grid-template-columns:1fr}
  h1{font-size:2.35rem}
  .page-hero{padding:34px 0}
  .article-layout{padding:30px 0}
  .cta-band{text-align:center}
  .cta-band img{margin:auto}
}