:root{--opn-blue:#0f8ed8;--opn-dark:#0e1116;--opn-text:#17191d;--opn-muted:#626873;--opn-border:#e4e8ee;--opn-bg:#f6f8fb;--opn-white:#fff;--opn-radius:18px;--opn-shadow:0 12px 35px rgba(15,25,40,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--opn-text);background:#fff;line-height:1.55}img{max-width:100%;height:auto;display:block}a{color:inherit;text-decoration:none}.opn-container{width:min(1180px,calc(100% - 40px));margin:auto}.opn-topbar{background:var(--opn-dark);color:#fff;font-size:13px}.opn-topbar .opn-container{display:flex;justify-content:space-between;gap:20px;padding:8px 0}.opn-site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.98);border-bottom:1px solid var(--opn-border);backdrop-filter:blur(12px)}.opn-header-main{display:flex;align-items:center;min-height:82px;gap:28px}.opn-logo{display:block;width:250px;max-width:40vw}.opn-logo img{width:100%;height:auto}.opn-nav{margin-left:auto}.opn-menu{display:flex;gap:26px;align-items:center;list-style:none;margin:0;padding:0}.opn-menu a{font-weight:700;font-size:14px}.opn-menu a:hover{color:var(--opn-blue)}.opn-menu-toggle{display:none;margin-left:auto;border:1px solid var(--opn-border);background:#fff;border-radius:10px;padding:10px 14px;font-weight:700}.opn-hero{padding:64px 0;background:linear-gradient(135deg,#f8fbff,#eef3f8)}.opn-hero-grid{display:grid;grid-template-columns:1fr 1.12fr;gap:48px;align-items:center}.opn-kicker{display:inline-block;color:var(--opn-blue);font-size:13px;font-weight:800;letter-spacing:.13em;text-transform:uppercase}.opn-hero h1,.opn-page-hero h1{font-size:clamp(38px,6vw,72px);line-height:1.02;margin:12px 0 20px;letter-spacing:-.045em}.opn-hero p,.opn-page-hero p{font-size:18px;color:var(--opn-muted);max-width:720px}.opn-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.opn-btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 22px;border:0;border-radius:12px;background:var(--opn-blue);color:#fff;font-weight:800;cursor:pointer}.opn-btn:hover{filter:brightness(.94)}.opn-btn-ghost{background:#fff;color:var(--opn-text);border:1px solid var(--opn-border)}.opn-hero-media{background:#fff;border-radius:26px;padding:14px;box-shadow:var(--opn-shadow);overflow:hidden}.opn-hero-media img{width:100%;border-radius:16px}.opn-section{padding:72px 0}.opn-section-muted{background:var(--opn-bg)}.opn-section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:28px}.opn-section-head h2{font-size:34px;margin:6px 0 0;letter-spacing:-.025em}.opn-section-head>a{color:var(--opn-blue);font-weight:800}.opn-product-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.opn-product-card{border:1px solid var(--opn-border);border-radius:var(--opn-radius);overflow:hidden;background:#fff;box-shadow:0 6px 20px rgba(12,21,33,.04);transition:.2s ease}.opn-product-card:hover{transform:translateY(-3px);box-shadow:var(--opn-shadow)}.opn-product-image{display:block;aspect-ratio:1/1;background:#f8fafc;overflow:hidden}.opn-product-image img{width:100%;height:100%;object-fit:cover}.opn-product-card-body{padding:20px}.opn-product-card h2,.opn-product-card h3{font-size:22px;line-height:1.2;margin:7px 0 10px}.opn-card-category,.opn-card-category a{font-size:12px;text-transform:uppercase;letter-spacing:.08em;font-weight:800;color:var(--opn-blue)}.opn-qty{margin:0 0 12px;color:var(--opn-muted);font-weight:700}.opn-text-link{color:var(--opn-blue);font-weight:800}.opn-category-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px}.opn-category-card{background:#fff;border:1px solid var(--opn-border);border-radius:16px;padding:22px;display:flex;flex-direction:column;gap:4px;box-shadow:0 6px 20px rgba(12,21,33,.03)}.opn-category-card strong{font-size:18px}.opn-category-card span{font-size:13px;color:var(--opn-muted)}.opn-page-hero{padding:52px 0;background:linear-gradient(135deg,#11161e,#25374c);color:#fff}.opn-page-hero h1{font-size:clamp(38px,5vw,64px);margin-bottom:8px}.opn-page-hero p{color:#cbd4de}.opn-filter{display:grid;grid-template-columns:1fr 250px auto;gap:12px;margin-bottom:28px}.opn-filter input,.opn-filter select{width:100%;min-height:48px;border:1px solid var(--opn-border);border-radius:12px;padding:0 14px;background:#fff;font:inherit}.opn-product-page{padding:52px 0}.opn-product-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:start}.opn-gallery{min-width:0}.opn-main-image{border:1px solid var(--opn-border);border-radius:24px;background:#f8fafc;overflow:hidden}.opn-main-image img{width:100%;aspect-ratio:1/1;object-fit:cover}.opn-thumbnails{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin-top:12px}.opn-thumb{border:1px solid var(--opn-border);border-radius:12px;padding:0;background:#fff;overflow:hidden;cursor:pointer}.opn-thumb.is-active{outline:2px solid var(--opn-blue)}.opn-thumb img{width:100%;aspect-ratio:1/1;object-fit:cover}.opn-product-summary{padding-top:24px;position:sticky;top:120px}.opn-product-summary h1{font-size:clamp(38px,5vw,64px);line-height:1.02;letter-spacing:-.04em;margin:12px 0 18px}.opn-lead{font-size:18px;color:var(--opn-muted)}.opn-fact{display:flex;justify-content:space-between;gap:16px;padding:18px 0;margin:24px 0;border-top:1px solid var(--opn-border);border-bottom:1px solid var(--opn-border)}.opn-fact span{color:var(--opn-muted)}.opn-details-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.opn-detail-card{background:#fff;border:1px solid var(--opn-border);border-radius:20px;padding:28px;min-height:220px}.opn-detail-card h2{font-size:28px;margin:8px 0 16px}.opn-detail-number{color:var(--opn-blue);font-size:13px;font-weight:900}.opn-detail-list{margin:0;padding-left:20px}.opn-detail-list li{margin:10px 0}.opn-copy{color:#3f4650}.opn-note{margin-top:22px;background:#fff8e8;border:1px solid #f4dfa9;padding:18px 20px;border-radius:14px}.opn-readable{max-width:850px}.opn-readable h2{font-size:34px}.opn-readable p{font-size:17px}.opn-pagination{margin-top:34px}.opn-footer{background:#101419;color:#cbd1d8;padding:54px 0 24px}.opn-footer-grid{display:grid;grid-template-columns:1.2fr .8fr 1.2fr .8fr;gap:34px}.opn-footer h3{color:#fff;margin-top:0}.opn-footer a{color:#fff}.opn-footer-logo{width:220px;background:#fff;border-radius:8px}.opn-footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:36px;padding-top:20px;font-size:13px}
@media(max-width:960px){.opn-product-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.opn-category-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.opn-hero-grid,.opn-product-layout{grid-template-columns:1fr}.opn-product-summary{position:static}.opn-footer-grid{grid-template-columns:repeat(2,1fr)}.opn-nav{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid var(--opn-border);padding:18px 20px}.opn-nav.is-open{display:block}.opn-menu{flex-direction:column;align-items:flex-start}.opn-menu-toggle{display:block}.opn-logo{width:220px}.opn-filter{grid-template-columns:1fr 1fr}.opn-filter .opn-btn{grid-column:1/-1}}
@media(max-width:640px){.opn-container{width:min(100% - 24px,1180px)}.opn-topbar .opn-container{font-size:11px}.opn-topbar .opn-container span:last-child{display:none}.opn-header-main{min-height:70px}.opn-logo{width:185px;max-width:60vw}.opn-hero{padding:38px 0}.opn-hero-grid{gap:28px}.opn-section{padding:52px 0}.opn-product-grid,.opn-details-grid,.opn-category-grid,.opn-footer-grid,.opn-filter{grid-template-columns:1fr}.opn-section-head{align-items:flex-start}.opn-section-head h2{font-size:28px}.opn-product-layout{gap:24px}.opn-thumbnails{grid-template-columns:repeat(4,1fr)}.opn-product-summary{padding-top:0}.opn-product-summary h1{font-size:40px}.opn-detail-card{padding:22px}.opn-footer-grid{gap:24px}}

.opn-whatsapp-float{position:fixed;right:22px;bottom:22px;z-index:9999;display:inline-flex;align-items:center;gap:10px;min-height:56px;padding:10px 18px 10px 12px;border-radius:999px;background:#25D366;color:#fff!important;font-weight:800;box-shadow:0 12px 30px rgba(0,0,0,.22);transition:transform .2s ease,box-shadow .2s ease}.opn-whatsapp-float:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(0,0,0,.28)}.opn-whatsapp-icon{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:#fff}.opn-whatsapp-icon svg{width:24px;height:24px;fill:#25D366}.opn-whatsapp-text{white-space:nowrap}@media(max-width:640px){.opn-whatsapp-float{right:14px;bottom:14px;width:58px;height:58px;min-height:58px;padding:0;justify-content:center}.opn-whatsapp-icon{width:42px;height:42px}.opn-whatsapp-text{display:none}}

.opn-card-button{width:100%;margin-top:12px;text-align:center}.opn-card-excerpt{color:var(--opn-muted);font-size:14px;margin:0 0 14px}