:root {
    --bx-blue: #0b2a4a;
    --bx-blue-dark: #071d33;
    --bx-orange: #f5841f;
    --bx-grey: #5a6b7b;
    --bx-light: #f4f7fa;
    --bx-border: #e2e8f0;
}
* { box-sizing: border-box; }
body.bx-body { margin: 0; font-family: 'Segoe UI', Arial, Helvetica, sans-serif; color: #22313f; background: #fff; line-height: 1.6; }
.bx-container { max-width: 1240px; margin: 0 auto; padding: 0 20px; }
a { color: var(--bx-blue); text-decoration: none; }
a:hover { color: var(--bx-orange); }
img { max-width: 100%; }

.bx-topbar { background: var(--bx-blue-dark); color: #cfd9e3; font-size: 13px; }
.bx-topbar-inner { display: flex; justify-content: space-between; align-items: center; min-height: 38px; flex-wrap: wrap; }
.bx-topbar-right a { color: #cfd9e3; margin-left: 18px; }
.bx-topbar-right a:hover { color: #fff; }

.bx-header { background: #fff; border-bottom: 1px solid var(--bx-border); position: sticky; top: 0; z-index: 50; }
.bx-header-inner { display: flex; justify-content: space-between; align-items: center; min-height: 78px; }
.bx-logo a { display: flex; flex-direction: column; }
.bx-logo-mark { font-size: 26px; font-weight: 800; letter-spacing: 1px; color: var(--bx-blue); }
.bx-logo-sub { font-size: 11px; letter-spacing: 2px; color: var(--bx-grey); text-transform: uppercase; }
.bx-nav ul { display: flex; list-style: none; margin: 0; padding: 0; }
.bx-nav > ul > li { position: relative; margin-left: 4px; }
.bx-nav > ul > li > a { display: block; padding: 26px 14px; font-weight: 600; color: var(--bx-blue); }
.bx-nav > ul > li > a:hover, .bx-nav > ul > li.is-active > a { color: var(--bx-orange); }
.bx-submenu { display: none; position: absolute; left: 0; top: 100%; background: #fff; min-width: 260px; box-shadow: 0 12px 28px rgba(7,29,51,.14); border-top: 3px solid var(--bx-orange); padding: 8px 0; z-index: 60; }
.bx-nav > ul > li:hover .bx-submenu { display: block; }
.bx-submenu li a { display: block; padding: 9px 18px; font-size: 14px; color: #33475a; }
.bx-submenu li a:hover { background: var(--bx-light); color: var(--bx-orange); }
.bx-header-cta { flex-shrink: 0; }
.bx-btn { display: inline-block; padding: 11px 24px; border-radius: 4px; font-weight: 700; font-size: 14px; }
.bx-btn-primary { background: var(--bx-orange); color: #fff; }
.bx-btn-primary:hover { background: var(--bx-blue); color: #fff; }
.bx-btn-outline { border: 2px solid #fff; color: #fff; }
.bx-btn-outline:hover { background: #fff; color: var(--bx-blue); }
.bx-btn-dark { background: var(--bx-blue); color: #fff; }
.bx-btn-dark:hover { background: var(--bx-orange); color: #fff; }

.bx-hero { background: linear-gradient(120deg, var(--bx-blue-dark) 0%, var(--bx-blue) 62%, #12507f 100%); color: #fff; padding: 90px 0; }
.bx-hero-inner { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: center; }
.bx-hero h1 { font-size: 42px; line-height: 1.2; margin: 0 0 18px; }
.bx-hero p { font-size: 17px; color: #c9d7e4; margin: 0 0 28px; max-width: 560px; }
.bx-hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.bx-hero-img { text-align: center; }
.bx-hero-img img { max-height: 380px; border-radius: 8px; box-shadow: 0 20px 50px rgba(0,0,0,.35); }

.bx-stats { background: #fff; border-bottom: 1px solid var(--bx-border); }
.bx-stats-inner { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; padding: 34px 0; }
.bx-stat { text-align: center; }
.bx-stat b { display: block; font-size: 34px; color: var(--bx-blue); }
.bx-stat span { color: var(--bx-grey); font-size: 14px; }

.bx-section { padding: 64px 0; }
.bx-section-alt { background: var(--bx-light); }
.bx-section-head { text-align: center; margin-bottom: 36px; }
.bx-section-head h2 { font-size: 30px; color: var(--bx-blue); margin: 0 0 8px; }
.bx-section-head p { color: var(--bx-grey); margin: 0; }

.bx-cat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.bx-cat-card { background: #fff; border: 1px solid var(--bx-border); border-radius: 6px; padding: 24px; transition: .2s; }
.bx-cat-card:hover { box-shadow: 0 10px 26px rgba(7,29,51,.10); border-color: var(--bx-orange); }
.bx-cat-card h3 { margin: 0 0 8px; font-size: 17px; color: var(--bx-blue); }
.bx-cat-card p { margin: 0; color: var(--bx-grey); font-size: 13px; }

.bx-prod-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.bx-prod-card { background: #fff; border: 1px solid var(--bx-border); border-radius: 6px; overflow: hidden; transition: .2s; }
.bx-prod-card:hover { box-shadow: 0 12px 30px rgba(7,29,51,.12); transform: translateY(-3px); }
.bx-prod-card img { width: 100%; height: 160px; object-fit: cover; display: block; }
.bx-prod-card-body { padding: 14px; }
.bx-prod-card-body h3 { margin: 0 0 6px; font-size: 14px; line-height: 1.4; color: var(--bx-blue); min-height: 39px; }
.bx-prod-card-body p { margin: 0 0 10px; font-size: 12px; color: var(--bx-grey); }
.bx-prod-card-body a { font-size: 13px; font-weight: 700; }

.bx-why { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.bx-why-item { background: #fff; border-radius: 6px; border: 1px solid var(--bx-border); padding: 24px; }
.bx-why-item i { font-size: 26px; color: var(--bx-orange); }
.bx-why-item h3 { font-size: 16px; color: var(--bx-blue); margin: 12px 0 6px; }
.bx-why-item p { margin: 0; font-size: 13px; color: var(--bx-grey); }

.bx-cta { background: linear-gradient(120deg, var(--bx-blue) 0%, #12507f 100%); color: #fff; padding: 56px 0; text-align: center; }
.bx-cta h2 { margin: 0 0 10px; font-size: 30px; }
.bx-cta p { color: #c9d7e4; margin: 0 0 22px; }

.bx-breadcrumb { background: var(--bx-light); border-bottom: 1px solid var(--bx-border); padding: 14px 0; font-size: 13px; color: var(--bx-grey); }
.bx-breadcrumb a { color: var(--bx-grey); }
.bx-breadcrumb a:hover { color: var(--bx-orange); }

.bx-page-title { padding: 46px 0 10px; }
.bx-page-title h1 { font-size: 32px; color: var(--bx-blue); margin: 0; }

.bx-prod-detail { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; padding: 34px 0; }
.bx-gallery-main { border: 1px solid var(--bx-border); border-radius: 6px; overflow: hidden; }
.bx-gallery-main img { width: 100%; height: 380px; object-fit: cover; display: block; }
.bx-gallery-thumbs { display: flex; gap: 8px; margin-top: 10px; flex-wrap: wrap; }
.bx-gallery-thumbs img { width: 74px; height: 60px; object-fit: cover; border: 2px solid transparent; border-radius: 4px; cursor: pointer; }
.bx-gallery-thumbs img.is-active, .bx-gallery-thumbs img:hover { border-color: var(--bx-orange); }
.bx-prod-info h1 { font-size: 26px; color: var(--bx-blue); margin: 0 0 10px; line-height: 1.3; }
.bx-prod-model { color: var(--bx-grey); font-size: 14px; margin-bottom: 12px; }
.bx-prod-model b { color: var(--bx-blue); }
.bx-prod-intro { font-size: 15px; margin-bottom: 18px; }
.bx-prod-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.bx-prod-tags { margin-top: 18px; }
.bx-prod-tags a { display: inline-block; background: var(--bx-light); border: 1px solid var(--bx-border); border-radius: 20px; padding: 4px 12px; font-size: 12px; margin: 0 6px 6px 0; }

.bx-block { background: #fff; border: 1px solid var(--bx-border); border-radius: 6px; padding: 26px; margin-bottom: 22px; }
.bx-block h2 { font-size: 20px; color: var(--bx-blue); margin: 0 0 14px; padding-bottom: 10px; border-bottom: 2px solid var(--bx-orange); }
.bx-block p { margin: 0 0 12px; }
.bx-block ul { padding-left: 20px; }
.bx-block li { margin-bottom: 6px; }

.bx-spec-table { width: 100%; border-collapse: collapse; }
.bx-spec-table th, .bx-spec-table td { border: 1px solid var(--bx-border); padding: 10px 12px; text-align: left; font-size: 14px; }
.bx-spec-table th { background: var(--bx-light); color: var(--bx-blue); width: 32%; }

.bx-faq-item { border: 1px solid var(--bx-border); border-radius: 5px; margin-bottom: 10px; overflow: hidden; }
.bx-faq-q { background: var(--bx-light); padding: 12px 16px; font-weight: 700; color: var(--bx-blue); cursor: pointer; }
.bx-faq-q::after { content: '+'; float: right; font-weight: 400; color: var(--bx-orange); }
.bx-faq-item.is-open .bx-faq-q::after { content: '\2212'; }
.bx-faq-a { display: none; padding: 12px 16px; font-size: 14px; }
.bx-faq-item.is-open .bx-faq-a { display: block; }

.bx-video { aspect-ratio: 16 / 9; }
.bx-video iframe { width: 100%; height: 100%; border: 0; border-radius: 6px; }

.bx-enquiry-form .bx-form-row { margin-bottom: 14px; }
.bx-enquiry-form label { display: block; font-size: 13px; font-weight: 700; color: var(--bx-blue); margin-bottom: 5px; }
.bx-enquiry-form input, .bx-enquiry-form textarea { width: 100%; border: 1px solid var(--bx-border); border-radius: 4px; padding: 10px 12px; font: inherit; }
.bx-enquiry-form input:focus, .bx-enquiry-form textarea:focus { outline: none; border-color: var(--bx-orange); }
.bx-enquiry-note { font-size: 12px; color: var(--bx-grey); margin-top: 8px; }
.bx-enquiry-success { display: none; background: #e7f7ec; border: 1px solid #b7e3c2; color: #1d7a3a; padding: 12px 14px; border-radius: 4px; margin-bottom: 14px; }
.bx-enquiry-error { display: none; background: #fdecea; border: 1px solid #f5c2bd; color: #b02a20; padding: 12px 14px; border-radius: 4px; margin-bottom: 14px; }

.bx-footer { background: var(--bx-blue-dark); color: #b9c6d3; margin-top: 30px; }
.bx-footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 30px; padding: 48px 20px; }
.bx-footer-logo { font-size: 24px; font-weight: 800; color: #fff; margin-bottom: 12px; }
.bx-footer-logo span { color: var(--bx-orange); }
.bx-footer h4 { color: #fff; margin: 0 0 12px; font-size: 15px; }
.bx-footer ul { list-style: none; margin: 0; padding: 0; }
.bx-footer ul li { margin-bottom: 8px; font-size: 13px; }
.bx-footer ul li a { color: #b9c6d3; }
.bx-footer ul li a:hover { color: var(--bx-orange); }
.bx-footer-contact li i { width: 18px; color: var(--bx-orange); }
.bx-footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 16px 0; font-size: 12px; }
.bx-footer-bottom .bx-container { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; }

.bx-scrolltop { display: none; position: fixed; right: 22px; bottom: 26px; width: 44px; height: 44px; border-radius: 50%; background: var(--bx-orange); color: #fff; border: 0; font-size: 20px; cursor: pointer; box-shadow: 0 8px 20px rgba(7,29,51,.25); z-index: 80; }
.bx-lang-switch { position: relative; }
.bx-lang-switch > a { padding: 26px 14px !important; }
.bx-sidebar .bx-side-nav { list-style: none; margin: 0; padding: 0; }
.bx-sidebar .bx-side-nav li { border-bottom: 1px solid var(--bx-border); }
.bx-sidebar .bx-side-nav a { display: block; padding: 9px 4px; font-size: 14px; }
.bx-list-item { border-bottom: 1px solid var(--bx-border); padding: 18px 0; }
.bx-list-item h3 { margin: 0 0 6px; font-size: 18px; }
.bx-meta { color: var(--bx-grey); font-size: 13px; margin-bottom: 6px; }

@media (max-width: 980px) {
    .bx-hero-inner, .bx-prod-detail { grid-template-columns: 1fr; }
    .bx-prod-grid, .bx-cat-grid { grid-template-columns: repeat(2, 1fr); }
    .bx-why, .bx-stats-inner { grid-template-columns: repeat(2, 1fr); }
    .bx-footer-grid { grid-template-columns: 1fr 1fr; }
    .bx-nav { display: none; }
}
@media (max-width: 560px) {
    .bx-prod-grid, .bx-cat-grid, .bx-why, .bx-stats-inner, .bx-footer-grid { grid-template-columns: 1fr; }
}