:root{--navy:#0a1724;--navy2:#102c44;--blue:#1f75b9;--blue2:#0f8ad1;--line:#d8e2eb;--text:#0b1722;--muted:#5d6b7b;--gold:#c6922e;--white:#fff;--soft:#f5f8fb}*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--text);background:#fff;line-height:1.55}a{text-decoration:none;color:inherit}.site-header{position:sticky;top:0;z-index:20;background:#fff;box-shadow:0 1px 0 rgba(0,0,0,.1)}.utility{display:flex;justify-content:space-between;gap:20px;background:#0a1724;color:#dbe8f2;padding:8px 5vw;font-size:12px;font-weight:700;letter-spacing:.03em}.utility a{margin-right:18px}.utility-right a:last-child{margin-right:0}.whatsapp{color:#fff;background:#1b7dbd;padding:7px 10px;border-radius:2px}.mainbar{position:relative;display:flex;justify-content:space-between;align-items:center;padding:18px 5vw;background:#fff}.brand{display:flex;flex-direction:column}.brand-word{font-size:40px;letter-spacing:-.045em;font-weight:900;color:#125d96;line-height:.95}.brand-sub{color:var(--gold);font-weight:900;text-transform:uppercase;font-size:13px;margin-top:5px}.menu-toggle{display:none}.hamb{width:44px;height:36px;display:grid;gap:6px;align-content:center;cursor:pointer}.hamb span{height:3px;background:#0b1c2b;display:block}.drawer{position:absolute;right:5vw;top:72px;width:320px;background:#fff;border:1px solid var(--line);box-shadow:0 24px 70px rgba(0,0,0,.18);display:none;padding:14px}.drawer a{display:block;padding:13px 14px;border-bottom:1px solid #edf2f6;font-weight:800}.drawer hr{border:0;border-top:1px solid var(--line);margin:8px 0}.menu-toggle:checked~.drawer{display:block}.hero{display:grid;grid-template-columns:1fr .9fr;gap:38px;background:linear-gradient(120deg,#eef5fa 0%,#fff 42%,#dfeaf3 100%);padding:70px 5vw;border-bottom:1px solid var(--line)}.hero h1{font-size:clamp(38px,5vw,68px);line-height:1.02;margin:10px 0}.hero p{font-size:20px;color:#32485a;max-width:850px}.eyebrow{font-weight:900;letter-spacing:.12em;text-transform:uppercase;color:#1f75b9;font-size:13px}.hero-actions,.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:13px 18px;border:1px solid currentColor;font-weight:900;border-radius:2px}.primary{background:#1f75b9;color:#fff;border-color:#1f75b9}.ghost{color:#0f4770}.notice{background:#fff8e8;border:1px solid #efd99a;padding:15px}.hero-board{background:#0b1c2b;color:#fff;padding:26px;border-radius:2px}.board-title{font-weight:900;color:#f2c96b;margin-bottom:14px}.quick-models{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.quick-models a{background:#153551;padding:14px;border:1px solid #244c70}.quick-models strong{display:block;color:#fff;font-size:20px}.quick-models span{font-size:13px;color:#bdd2e3}.section{padding:58px 5vw}.section-head{max-width:980px;margin-bottom:28px}.section h2,.page-hero h1{font-size:clamp(30px,4vw,50px);line-height:1.08;margin:8px 0}.group-tabs{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.group-tabs a{padding:10px 13px;border:1px solid var(--line);background:#fff;font-weight:900}.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.cat-card{background:#fff;border:1px solid var(--line);border-top:5px solid var(--blue);padding:22px;min-height:165px}.cat-card h3{margin:0 0 8px;font-size:22px}.cat-card p{color:var(--muted);margin:0}.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.product-tile{border:1px solid var(--line);background:#fff;padding:20px;display:flex;flex-direction:column;min-height:330px}.tile-cat{color:var(--blue);font-weight:900;text-transform:uppercase;font-size:11px;letter-spacing:.07em}.product-tile h3{font-size:23px;margin:8px 0}.product-tile p{color:var(--muted)}.product-tile dl{font-size:13px;border-top:1px solid var(--line);padding-top:10px}.product-tile dt{font-weight:900}.product-tile dd{margin:0 0 8px;color:#455665}.tile-actions{margin-top:auto;display:flex;flex-direction:column;gap:7px}.tile-actions a:first-child{color:var(--blue);font-weight:900}.tile-actions a:last-child{color:#627386;font-size:13px}.blue-band{background:#0b1c2b;color:#fff}.blue-band p{color:#cbd9e5}.page-hero{padding:56px 5vw;background:linear-gradient(120deg,#f5f8fb,#fff);border-bottom:1px solid var(--line)}.product-layout{display:grid;grid-template-columns:380px 1fr;gap:34px;padding:56px 5vw}.spec-card{background:#f6f9fc;border-top:5px solid var(--blue);padding:24px}.spec-table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);margin:18px 0}.spec-table th,.spec-table td{text-align:left;padding:13px;border-bottom:1px solid var(--line);vertical-align:top}.resource-list{list-style:none;padding:0}.resource-list li{border-bottom:1px solid var(--line);padding:12px 0}.resource-list a{font-weight:900;color:var(--blue)}.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.article-card{background:#fff;border:1px solid var(--line);padding:20px}.biz-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.biz-card{border:1px solid var(--line);padding:24px;background:#fff}.footer{display:grid;grid-template-columns:1fr 1fr;gap:30px;background:#081521;color:#cdd9e5;padding:34px 5vw}.footer strong{color:#fff}@media(max-width:1150px){.product-grid{grid-template-columns:repeat(3,1fr)}.hero,.product-layout{grid-template-columns:1fr}.cat-grid{grid-template-columns:1fr 1fr}}@media(max-width:850px){.product-grid,.cat-grid,.article-grid,.biz-grid,.quick-models,.footer{grid-template-columns:1fr}.utility{display:none}.hero,.section,.page-hero,.product-layout,.mainbar{padding-left:22px;padding-right:22px}.brand-word{font-size:32px}.drawer{right:22px;left:22px;width:auto}.hero h1{font-size:36px}}


/* Readability polish: white product/category cards must keep high contrast. */
.product-tile,
.cat-card,
.article-card,
.biz-card,
.spec-card{color:#0b1722;}
.product-tile p,
.cat-card p,
.article-card p,
.biz-card p,
.spec-card p{color:#223244;font-weight:500;}
.product-tile dd{color:#1d2d3f;font-weight:500;}
.product-tile h3 a,
.cat-card h3 a,
.article-card h3 a{color:#0b2f4f;}
.tile-actions a:last-child{color:#1f4f78;font-weight:800;}
.product-tile{box-shadow:0 8px 24px rgba(10,23,36,.06);}