:root{
 --blue:#2578cf;--blue2:#175da8;--cyan:#27b4c4;--navy:#263f53;--ink:#30424f;
 --muted:#758794;--soft:#f4f8fb;--line:#dfe8ee;--white:#fff;--orange:#f49a32;
 --green:#34a67d;--shadow:0 18px 55px rgba(31,82,121,.11);
}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.65}
a{color:inherit;text-decoration:none}img{display:block;max-width:100%}.wrap{width:min(1200px,94%);margin:auto}
.top{background:#eef5f9;border-bottom:1px solid var(--line);font-size:.8rem;color:#61798a}
.top .wrap{padding:8px 0;display:flex;justify-content:space-between;gap:18px}.top a{color:var(--blue2);font-weight:800}
.header{background:#fff;border-bottom:1px solid var(--line)}.head-main{min-height:98px;display:grid;grid-template-columns:280px 1fr 190px;gap:24px;align-items:center}
.brand img{width:270px;height:60px;object-fit:contain;object-position:left center}
.search{display:flex;border:2px solid #dce7ee;border-radius:6px;overflow:hidden;background:#fff}.search select{border:0;border-right:1px solid var(--line);padding:0 12px;background:#f7fafc;color:#667b89}.search input{flex:1;border:0;padding:14px 15px;font:inherit;outline:0}.search button{border:0;background:var(--blue);color:#fff;width:55px;font-size:1.05rem}
.head-actions{display:flex;justify-content:flex-end;gap:12px}.head-chip{min-width:78px;text-align:center;font-size:.75rem;color:var(--muted)}.head-chip b{display:block;color:var(--navy);font-size:.92rem}
.navbar{background:linear-gradient(90deg,var(--blue2),var(--blue));color:#fff;position:sticky;top:0;z-index:50}.nav{min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:20px}.menu{display:flex;align-items:center;gap:3px}.menu a{padding:19px 15px;font-size:.86rem;font-weight:800}.menu a:hover,.menu a.active{background:rgba(255,255,255,.12)}.menu-toggle{display:none;border:0;background:transparent;color:#fff;font-size:1.5rem}.nav-call{font-size:.84rem;font-weight:800}
.hero{background:linear-gradient(110deg,#edf7fb,#fff 52%,#e9f7f8);position:relative;overflow:hidden}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:50px;align-items:center;padding:70px 0}
.hero-copy .eyebrow,.kicker{font-size:.75rem;text-transform:uppercase;letter-spacing:.16em;font-weight:950;color:var(--cyan)}
h1,h2,h3{color:var(--navy);line-height:1.1;margin:0 0 17px}h1{font-size:clamp(3rem,5.5vw,5.8rem);letter-spacing:-.045em}h2{font-size:clamp(2.2rem,3.8vw,4rem);letter-spacing:-.035em}.hero p{font-size:1.08rem;color:var(--muted);max-width:700px}
.actions{display:flex;gap:11px;flex-wrap:wrap;margin-top:26px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 18px;border-radius:4px;background:var(--blue);border:1px solid var(--blue);color:#fff;font-weight:900}.btn.cyan{background:var(--cyan);border-color:var(--cyan)}.btn.ghost{background:#fff;color:var(--blue);border-color:#cadbe7}
.hero-photo{height:470px;overflow:hidden;border-radius:5px;box-shadow:var(--shadow);background:#dfe9ef}.hero-photo img{width:100%;height:100%;object-fit:cover}
.badge-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:23px}.badge{background:#fff;border:1px solid var(--line);padding:8px 11px;border-radius:4px;font-size:.8rem;color:#607687}
.category-strip{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.cat-grid{display:grid;grid-template-columns:repeat(6,1fr)}.cat-grid a{padding:20px 15px;text-align:center;border-right:1px solid var(--line);font-size:.82rem;font-weight:900;color:var(--navy)}.cat-grid a:last-child{border-right:0}.cat-icon{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;margin:0 auto 9px;background:#e8f5f7;color:var(--cyan);font-weight:900}
.section{padding:82px 0}.section.soft{background:var(--soft)}.section.blue{background:linear-gradient(110deg,#175da8,#267bcf);color:#fff}.section.blue h2,.section.blue h3{color:#fff}.section.blue p{color:#dbeafa}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:34px}.section-head>div{max-width:780px}.section-head p,.muted{color:var(--muted)}
.tabs{display:flex;gap:6px;flex-wrap:wrap}.tabs span{padding:8px 12px;border:1px solid var(--line);background:#fff;border-radius:4px;font-size:.79rem;font-weight:800}.tabs .active{background:var(--blue);border-color:var(--blue);color:#fff}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.product{background:#fff;border:1px solid var(--line);position:relative;transition:.2s;overflow:hidden}.product:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.product-img{height:215px;padding:10px;background:#f8fbfd}.product-img img{width:100%;height:100%;object-fit:contain}.product-body{padding:20px}.product-cat{font-size:.72rem;text-transform:uppercase;letter-spacing:.1em;color:var(--cyan);font-weight:900}.product h3{font-size:1.07rem;margin:8px 0}.price{font-size:1.03rem;font-weight:950;color:var(--blue2)}.stars{font-size:.78rem;color:#f5a629}.quick-link{display:inline-block;margin-top:12px;color:var(--blue);font-weight:900;font-size:.85rem}.sale{position:absolute;left:10px;top:10px;z-index:2;background:var(--orange);color:#fff;font-size:.7rem;font-weight:950;padding:6px 8px;border-radius:3px}
.card{background:#fff;border:1px solid var(--line);padding:27px}.card p,.card li{color:var(--muted)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}.photo{height:440px;overflow:hidden;background:#dfe8ee;box-shadow:var(--shadow)}.photo img{width:100%;height:100%;object-fit:cover}
.features{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:25px}.feature{background:#fff;border:1px solid var(--line);padding:16px}.feature b{display:block;color:var(--navy)}.feature span{font-size:.86rem;color:var(--muted)}
.page-hero{padding:65px 0;background:linear-gradient(110deg,#eff7fb,#fff)}.page-hero h1{font-size:clamp(2.7rem,4.8vw,5rem)}.page-hero p{max-width:770px;color:var(--muted)}.breadcrumbs{font-size:.79rem;text-transform:uppercase;letter-spacing:.11em;color:var(--blue);margin-bottom:13px}
.sidebar-layout{display:grid;grid-template-columns:260px 1fr;gap:28px}.sidebar{border:1px solid var(--line);background:#fff;padding:22px;height:max-content}.sidebar h3{font-size:1rem}.side-links a{display:block;padding:10px 0;border-bottom:1px solid var(--line);font-size:.86rem;color:#627987}.side-links a:last-child{border:0}
.product-layout{display:grid;grid-template-columns:.92fr 1.08fr;gap:50px;align-items:start}.product-main-img{background:#f6fafc;border:1px solid var(--line);min-height:420px;padding:30px;display:grid;place-items:center}.product-main-img img{width:100%;height:360px;object-fit:contain}.product-copy .big-price{font-size:1.7rem;font-weight:950;color:var(--blue2);margin:12px 0}.specs{width:100%;border-collapse:collapse;margin:22px 0}.specs td{border-bottom:1px solid var(--line);padding:11px 8px}.specs td:first-child{font-weight:900;color:var(--navy);width:38%}
.article-meta{font-size:.8rem;color:var(--muted);margin-bottom:25px}.article p{color:#647785}.article h2{font-size:2rem;margin-top:30px}.notice{background:#fff8e9;border-left:4px solid var(--orange);padding:17px 19px;color:#765c32}
.form{display:grid;grid-template-columns:1fr 1fr;gap:14px}.form .full{grid-column:1/-1}.form input,.form textarea,.form select{width:100%;padding:14px 15px;border:1px solid #cfdce5;font:inherit}.form textarea{min-height:140px}
details{padding:18px 0;border-bottom:1px solid var(--line)}summary{cursor:pointer;font-weight:900;color:var(--navy)}details p{color:var(--muted)}
.footer{background:#20384a;color:#d8e2e8;padding:52px 0 24px}.footer .brand img{filter:brightness(0) invert(1);opacity:.95}.footer-grid{display:grid;grid-template-columns:1.25fr .8fr .9fr .85fr;gap:32px}.footer h3{color:#fff;font-size:.88rem;text-transform:uppercase;letter-spacing:.1em}.footer a{display:block;margin:7px 0}.footer p{font-size:.9rem}.footline{margin-top:35px;padding-top:18px;border-top:1px solid rgba(255,255,255,.13);font-size:.81rem;display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap}
@media(max-width:1000px){.head-main{grid-template-columns:240px 1fr}.head-actions{display:none}.brand img{width:230px}.cat-grid{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:860px){.menu{display:none;position:absolute;left:3%;right:3%;top:56px;background:var(--blue2);flex-direction:column;align-items:stretch}.menu.open{display:flex}.menu a{padding:14px 16px}.menu-toggle{display:block}.hero-grid,.split,.product-layout,.sidebar-layout{grid-template-columns:1fr}.hero-photo{height:360px}.grid-3{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}.sidebar{order:2}}
@media(max-width:620px){.top .wrap{flex-direction:column;gap:2px}.head-main{grid-template-columns:1fr;padding:14px 0}.brand img{width:220px}.search select{display:none}.nav-call{display:none}.hero-grid{padding:50px 0}.hero h1{font-size:clamp(2.8rem,13vw,4.5rem)}.category-strip{display:none}.section{padding:62px 0}.section-head{align-items:flex-start;flex-direction:column}.grid-4,.grid-3,.grid-2,.footer-grid{grid-template-columns:1fr}.features{grid-template-columns:1fr}.form{grid-template-columns:1fr}.form .full{grid-column:auto}.product-main-img{min-height:330px}.product-main-img img{height:280px}}