:root {
  --chenlu-red: #c89b3c;
  --chenlu-red-dark: #a77f2a;
  --chenlu-blue: #0b2f57;
  --chenlu-gold: #c89b3c;
  --chenlu-gold-dark: #a77f2a;
  --chenlu-steel: #14243a;
  --chenlu-dark: #111827;
  --chenlu-muted: #64748b;
  --chenlu-border: #e5e7eb;
  --chenlu-light: #f7f9fc;
  --chenlu-white: #ffffff;
  --chenlu-shadow: 0 18px 45px rgba(15, 23, 42, 0.10);
  --chenlu-radius: 18px;
  --chenlu-container: 1360px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--chenlu-dark);
  background: #fff;
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
a:hover { color: var(--chenlu-gold); }
img { max-width: 100%; height: auto; display: block; }
.container { width: min(var(--chenlu-container), calc(100% - 40px)); margin: 0 auto; }
.screen-reader-text { position: absolute; left: -9999px; }

/* GLOBAL-HEADER */
.site-header { position: sticky; top: 0; z-index: 1000; background: #fff; border-top: 3px solid var(--chenlu-gold); box-shadow: 0 6px 20px rgba(15, 23, 42, 0.06); }
.topbar { background: #0b1f3a; color: rgba(255,255,255,.84); font-size: 13px; }
.topbar-inner { display: flex; justify-content: flex-end; gap: 24px; padding: 7px 0; }
.topbar a { color: #fff; }
.header-main { display: flex; align-items: center; justify-content: space-between; min-height: 78px; gap: 20px; }
.brand-link { display: flex; align-items: center; gap: 12px; color: var(--chenlu-dark); }
.brand-mark { width: 46px; height: 46px; border-radius: 12px; background: var(--chenlu-gold); color: #fff; display: grid; place-items: center; font-weight: 800; }
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text strong { font-size: 21px; letter-spacing: .02em; }
.brand-text small { font-size: 12px; color: var(--chenlu-muted); max-width: 260px; }
.custom-logo { max-height: 58px; width: auto; }
.header-navigation { flex: 1; display: flex; justify-content: center; }
.primary-menu { list-style: none; margin: 0; padding: 0; display: flex; align-items: center; gap: 2px; }
.primary-menu > li { position: relative; }
.primary-menu > li > a { display: block; padding: 28px 13px; font-weight: 700; font-size: 14px; color: #263241; }
.primary-menu > li > a:hover { color: var(--chenlu-gold); }
.header-quote-btn { background: var(--chenlu-gold); color: #fff; padding: 12px 18px; border-radius: 999px; font-weight: 800; white-space: nowrap; }
.header-quote-btn:hover { color: #fff; background: var(--chenlu-gold-dark); }
.mobile-menu-toggle { display: none; border: 1px solid var(--chenlu-border); background: #fff; padding: 10px 14px; border-radius: 10px; font-weight: 700; }

/* Products mega menu: matches the provided screenshot structure */
.has-mega { position: static !important; }
.product-mega-menu {
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  background: #fff;
  border-top: 1px solid var(--chenlu-border);
  border-bottom: 1px solid var(--chenlu-border);
  box-shadow: 0 20px 38px rgba(15, 23, 42, .09);
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  transition: .18s ease;
}
.has-mega:hover .product-mega-menu,
.has-mega:focus-within .product-mega-menu { opacity: 1; transform: translateY(0); pointer-events: auto; }
.chenlu-mega-grid,
.chenlu-product-matrix {
  width: min(1920px, calc(100% - 70px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(7, minmax(140px, 1fr));
  gap: 36px;
  padding: 28px 0 34px;
}
.chenlu-product-matrix { width: 100%; grid-template-columns: repeat(7, minmax(128px, 1fr)); padding: 0; gap: 26px; }
.chenlu-product-column-title { display: inline-block; font-size: 17px; line-height: 1.35; font-weight: 800; margin-bottom: 14px; color: #30343b; }
.chenlu-product-column ul { list-style: none; margin: 0; padding: 0; }
.chenlu-product-column li { margin: 0 0 10px; }
.chenlu-product-column li a { font-size: 13px; font-weight: 700; color: #2f3742; }
.chenlu-product-column li a:hover { color: var(--chenlu-gold); }

/* Common sections */
.section { padding: 74px 0; }
.section-light { background: var(--chenlu-light); }
.no-top-padding { padding-top: 0; }
.dark-section { background: #0c1728; color: #fff; }
.dark-section .section-heading p,
.dark-section .feature-card p { color: rgba(255,255,255,.72); }
.eyebrow { text-transform: uppercase; color: var(--chenlu-gold); font-size: 13px; font-weight: 900; letter-spacing: .12em; margin: 0 0 8px; }
h1,h2,h3 { line-height: 1.16; margin: 0 0 14px; }
h1 { font-size: clamp(34px, 5vw, 62px); letter-spacing: -0.04em; }
h2 { font-size: clamp(28px, 3vw, 42px); letter-spacing: -0.03em; }
h3 { font-size: 20px; }
p { margin-top: 0; color: var(--chenlu-muted); }
.section-heading { max-width: 780px; margin-bottom: 34px; }
.section-heading > p:last-child { margin-bottom: 0; }
.split-heading { max-width: none; display: flex; justify-content: space-between; gap: 24px; align-items: flex-end; }
.compact-heading { margin-bottom: 24px; }

.btn, button.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 20px;
  border-radius: 999px;
  font-weight: 900;
  border: 1px solid transparent;
  cursor: pointer;
  transition: .16s ease;
}
.btn-primary { background: var(--chenlu-gold); color: #fff; }
.btn-primary:hover { background: var(--chenlu-gold-dark); color: #fff; transform: translateY(-1px); }
.btn-outline { background: #fff; color: var(--chenlu-blue); border-color: var(--chenlu-border); }
.btn-outline:hover { border-color: var(--chenlu-gold); color: var(--chenlu-gold); }
.btn-ghost { background: transparent; color: var(--chenlu-blue); border-color: transparent; }
.btn-small { min-height: 38px; padding: 8px 14px; font-size: 13px; }
.text-link { font-weight: 900; color: var(--chenlu-gold); }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }

/* Hero */
.hero-section {
  position: relative;
  min-height: 690px;
  display: flex;
  align-items: center;
  color: #fff;
  background:
    linear-gradient(110deg, rgba(7,16,31,.92), rgba(7,16,31,.72) 44%, rgba(200,155,60,.42)),
    radial-gradient(circle at 75% 25%, rgba(255,255,255,.13), transparent 34%),
    #0d1829;
  overflow: hidden;
}
.hero-section:after {
  content: '';
  position: absolute;
  inset: auto -10% -34% 42%;
  height: 420px;
  background: linear-gradient(90deg, rgba(255,255,255,.12), rgba(255,255,255,0));
  transform: skewY(-8deg);
}
.hero-content { position: relative; z-index: 2; max-width: 760px; margin-left: max(calc((100vw - var(--chenlu-container))/2), 20px); }
.hero-content p { color: rgba(255,255,255,.82); font-size: 18px; }
.hero-content .eyebrow { color: #ffb4b8; }
.page-hero { background: linear-gradient(135deg, #0c1728, #112d55); color: #fff; padding: 76px 0; }
.compact-hero { padding: 64px 0; }
.page-hero p { color: rgba(255,255,255,.76); max-width: 820px; }
.product-archive-hero { padding: 82px 0 126px; }

/* Product directory */
.product-directory-card { background: #fff; border-radius: 22px; box-shadow: var(--chenlu-shadow); padding: 34px; margin-top: -58px; border: 1px solid rgba(226,232,240,.9); }
.product-search { display: flex; gap: 10px; }
.product-search input { min-width: 270px; border: 1px solid var(--chenlu-border); border-radius: 999px; padding: 11px 15px; }
.product-search button { border: 0; background: var(--chenlu-blue); color: #fff; padding: 0 18px; border-radius: 999px; font-weight: 800; }

/* Cards and grids */
.product-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.product-card, .case-card, .video-card, .visit-card, .certificate-card, .download-card, .content-card, .info-card, .inquiry-box {
  background: #fff;
  border: 1px solid var(--chenlu-border);
  border-radius: var(--chenlu-radius);
  box-shadow: 0 10px 26px rgba(15,23,42,.05);
}
.product-card { overflow: hidden; display: flex; flex-direction: column; }
.product-card-media, .case-card-media, .video-thumb { position: relative; display: block; aspect-ratio: 4 / 3; background: #eef2f7; overflow: hidden; }
.product-card-img, .case-card-img, .video-img { width: 100%; height: 100%; object-fit: cover; transition: transform .2s ease; }
.product-card:hover .product-card-img, .case-card:hover .case-card-img { transform: scale(1.035); }
.card-badge { position: absolute; left: 14px; top: 14px; background: var(--chenlu-gold); color: #fff; padding: 6px 10px; border-radius: 999px; font-size: 12px; font-weight: 900; }
.product-card-body, .case-card-body, .video-card-body { padding: 22px; }
.product-card h3 a, .case-card h3 a { color: var(--chenlu-dark); }
.mini-specs, .product-basic-info { display: grid; gap: 8px; margin: 18px 0; }
.mini-specs div, .product-basic-info div { display: flex; justify-content: space-between; gap: 15px; padding: 9px 0; border-bottom: 1px dashed var(--chenlu-border); }
dt { color: var(--chenlu-muted); font-size: 13px; }
dd { margin: 0; font-weight: 800; text-align: right; }
.card-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.case-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.case-card { overflow: hidden; }
.case-meta, .case-hero-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
.case-meta span, .case-hero-meta span { background: rgba(200,155,60,.08); color: var(--chenlu-gold); border-radius: 999px; padding: 5px 9px; font-size: 12px; font-weight: 900; }
.case-hero-meta span { background: rgba(255,255,255,.14); color: #fff; }
.chenlu-img-placeholder { width: 100%; height: 100%; min-height: 220px; display: grid; place-items: center; padding: 24px; background: linear-gradient(135deg,#e9edf5,#f9fafb); color: #334155; font-weight: 900; text-align: center; }
.chenlu-img-placeholder.large { min-height: 520px; border-radius: var(--chenlu-radius); }

/* Feature blocks */
.feature-grid { display: grid; gap: 22px; }
.four-cols { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.feature-card { background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12); border-radius: var(--chenlu-radius); padding: 24px; }
.feature-card span { display: inline-grid; place-items: center; width: 44px; height: 44px; border-radius: 14px; background: var(--chenlu-gold); color: #fff; font-weight: 900; margin-bottom: 22px; }
.split-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 42px; align-items: center; }
.visual-panel, .video-preview-card { border-radius: 24px; min-height: 330px; background: linear-gradient(135deg,#e7edf8,#fff); border: 1px solid var(--chenlu-border); box-shadow: var(--chenlu-shadow); display: grid; place-items: center; padding: 28px; }
.visual-placeholder { color: #64748b; font-weight: 900; text-align: center; }
.video-preview-card { background: #111827; color: #fff; text-align: center; }
.video-preview-card p { color: rgba(255,255,255,.72); }
.play-icon { display: inline-grid; place-items: center; width: 62px; height: 62px; border-radius: 999px; background: var(--chenlu-gold); color: #fff; font-weight: 900; font-size: 24px; }
.process-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 18px; }
.process-grid div { background: #fff; border: 1px solid var(--chenlu-border); border-radius: var(--chenlu-radius); padding: 22px; }
.process-grid strong { color: var(--chenlu-gold); }
.cta-section { background: linear-gradient(135deg, #0c1728, #122b50); color: #fff; }
.cta-panel { display: flex; justify-content: space-between; gap: 30px; align-items: center; }
.cta-panel p { color: rgba(255,255,255,.76); max-width: 720px; }
.cta-panel .btn-outline { background: transparent; color: #fff; border-color: rgba(255,255,255,.35); }

/* Product detail */
.product-topbar { background: #f8fafc; border-bottom: 1px solid var(--chenlu-border); }
.breadcrumb-wrap { display: flex; gap: 10px; align-items: center; padding: 13px 0; font-size: 13px; color: var(--chenlu-muted); }
.product-detail-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(360px, .72fr); gap: 34px; align-items: start; }
.product-gallery { background: #fff; border: 1px solid var(--chenlu-border); border-radius: 22px; padding: 14px; box-shadow: var(--chenlu-shadow); }
.main-gallery-image { border-radius: 16px; overflow: hidden; background: #eef2f7; }
.main-gallery-image img { width: 100%; height: 520px; object-fit: cover; }
.gallery-thumbs { display: flex; gap: 10px; overflow-x: auto; padding-top: 12px; }
.gallery-thumb { border: 2px solid transparent; padding: 0; border-radius: 12px; overflow: hidden; background: #fff; cursor: pointer; min-width: 86px; height: 72px; }
.gallery-thumb.active { border-color: var(--chenlu-gold); }
.gallery-thumb img { width: 100%; height: 100%; object-fit: cover; }
.product-summary-panel { background: #fff; border: 1px solid var(--chenlu-border); border-radius: 22px; padding: 28px; box-shadow: var(--chenlu-shadow); position: sticky; top: 112px; }
.product-short-desc { font-size: 16px; }
.price-box { background: #fbf6e8; border: 1px solid #ead8a8; border-radius: 16px; padding: 18px; margin: 20px 0; }
.price-box span, .price-box small { display: block; color: var(--chenlu-muted); }
.price-box strong { display: block; color: var(--chenlu-gold); font-size: 30px; line-height: 1.1; margin: 5px 0; }
.summary-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.product-content-grid { display: grid; grid-template-columns: minmax(0, 1fr) 380px; gap: 28px; align-items: start; }
.product-main-content, .case-main { display: grid; gap: 22px; }
.sticky-tabs { position: sticky; top: 96px; z-index: 5; display: flex; flex-wrap: wrap; gap: 10px; background: rgba(247,249,252,.92); backdrop-filter: blur(10px); padding: 12px; border: 1px solid var(--chenlu-border); border-radius: 16px; }
.sticky-tabs a { background: #fff; border: 1px solid var(--chenlu-border); border-radius: 999px; padding: 8px 13px; font-weight: 800; font-size: 13px; }
.content-block { background: #fff; border: 1px solid var(--chenlu-border); border-radius: 22px; padding: 28px; box-shadow: 0 10px 26px rgba(15,23,42,.045); }
.spec-table { width: 100%; border-collapse: collapse; overflow: hidden; border-radius: 14px; }
.spec-table th, .spec-table td { padding: 14px 16px; border-bottom: 1px solid var(--chenlu-border); text-align: left; vertical-align: top; }
.spec-table th { width: 34%; background: #f8fafc; color: #334155; }
.content-body { color: #334155; }
.content-body p { color: #334155; }
.advantage-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 14px; }
.advantage-card { border: 1px solid var(--chenlu-border); background: #f8fafc; border-radius: 16px; padding: 18px; }
.advantage-card span { color: var(--chenlu-gold); font-weight: 900; }
.option-tags { display: flex; flex-wrap: wrap; gap: 10px; }
.option-tags span, .filter-chips a { display: inline-flex; border: 1px solid var(--chenlu-border); background: #fff; border-radius: 999px; padding: 8px 13px; font-weight: 800; font-size: 13px; }
.faq-item { border: 1px solid var(--chenlu-border); border-radius: 14px; padding: 16px 18px; margin-bottom: 12px; background: #fff; }
.faq-item summary { cursor: pointer; font-weight: 900; }
.product-sidebar-form, .case-sidebar, .quote-sidebar { position: sticky; top: 112px; }

/* Forms */
.inquiry-box { padding: 24px; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin-bottom: 16px; }
.form-grid label { display: grid; gap: 6px; color: #334155; font-weight: 800; font-size: 13px; }
.form-grid input, .form-grid textarea { width: 100%; border: 1px solid var(--chenlu-border); border-radius: 12px; padding: 11px 12px; font: inherit; }
.form-full { grid-column: 1 / -1; }
.privacy-note { font-size: 13px; margin: 12px 0 0; }
.success-box { background: #ecfdf5; border: 1px solid #bbf7d0; color: #14532d; border-radius: 16px; padding: 18px; margin-bottom: 18px; }
.success-box p { color: #166534; }

/* Case / quote / contact / video */
.case-detail-grid, .quote-layout, .contact-layout { display: grid; grid-template-columns: minmax(0,1fr) 380px; gap: 28px; align-items: start; }
.case-gallery-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 14px; }
.case-gallery-grid img { border-radius: 14px; width: 100%; height: 260px; object-fit: cover; }
.sticky-card { position: sticky; top: 112px; padding: 24px; }
.check-list { padding: 0; margin: 0; list-style: none; display: grid; gap: 10px; }
.check-list li { position: relative; padding-left: 26px; color: #334155; }
.check-list li:before { content: '✓'; position: absolute; left: 0; top: 0; color: var(--chenlu-gold); font-weight: 900; }
.filter-chips { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 28px; }
.video-grid, .visit-grid, .certificate-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 24px; }
.video-card { overflow: hidden; }
.video-thumb .play-icon { position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%); }
.visit-card, .certificate-card { overflow: hidden; padding-bottom: 20px; }
.visit-card h3, .visit-card p, .certificate-card h3 { padding: 0 20px; }
.visit-img { height: 230px; object-fit: cover; margin-bottom: 18px; }
.download-list { display: grid; gap: 14px; }
.download-card { padding: 18px; display: flex; justify-content: space-between; gap: 20px; align-items: center; }
.quote-wa-block { background: #0c1728; color: #fff; }
.quote-wa-block p { color: rgba(255,255,255,.78); }
.contact-info-panel { display: grid; gap: 16px; }
.contact-card { background: #fff; border: 1px solid var(--chenlu-border); border-radius: var(--chenlu-radius); padding: 20px; box-shadow: 0 10px 26px rgba(15,23,42,.05); }
.contact-card span { display: block; color: var(--chenlu-muted); font-size: 13px; font-weight: 900; text-transform: uppercase; letter-spacing: .08em; }
.contact-card strong { display: block; font-size: 18px; margin-top: 5px; }
.response-card { padding: 22px; }
.map-placeholder { min-height: 220px; display: grid; place-items: center; background: #eef2f7; border: 1px solid var(--chenlu-border); border-radius: var(--chenlu-radius); color: var(--chenlu-muted); font-weight: 900; }
.faq-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 18px; }
.empty-state { grid-column: 1 / -1; padding: 34px; background: #fff; border: 1px dashed #cbd5e1; border-radius: 18px; text-align: center; }
.featured-wide img { width: 100%; border-radius: 20px; margin-bottom: 24px; }
.content-list { display: grid; gap: 20px; }
.content-card { padding: 24px; }

/* GLOBAL-FOOTER */
.site-footer { background: #07111f; color: #fff; padding: 64px 0 22px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 32px; }
.footer-col h3 { color: #fff; }
.footer-col p, .footer-col li, .footer-bottom { color: rgba(255,255,255,.68); }
.footer-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 9px; }
.footer-col a { color: rgba(255,255,255,.8); }
.footer-col a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); margin-top: 38px; padding-top: 20px; display: flex; justify-content: space-between; gap: 20px; }
.footer-about .btn-outline { background: transparent; color: #fff; border-color: rgba(255,255,255,.25); }
.floating-whatsapp { position: fixed; right: 18px; bottom: 18px; z-index: 999; background: #16a34a; color: #fff; padding: 14px 18px; border-radius: 999px; box-shadow: 0 14px 34px rgba(22,163,74,.35); font-weight: 900; }
.floating-whatsapp:hover { color: #fff; background: #15803d; }

/* Responsive */
@media (max-width: 1180px) {
  .chenlu-mega-grid, .chenlu-product-matrix { grid-template-columns: repeat(4, minmax(0,1fr)); }
  .product-grid, .case-grid, .video-grid, .visit-grid, .certificate-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .process-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
  .four-cols { grid-template-columns: repeat(2, minmax(0,1fr)); }
}
@media (max-width: 900px) {
  .topbar { display: none; }
  .header-main { min-height: 70px; }
  .mobile-menu-toggle { display: inline-flex; }
  .header-navigation { position: absolute; left: 0; right: 0; top: 100%; background: #fff; border-top: 1px solid var(--chenlu-border); display: none; box-shadow: var(--chenlu-shadow); }
  .header-navigation.is-open { display: block; }
  .primary-menu { display: block; width: min(100% - 40px, var(--chenlu-container)); margin: 0 auto; padding: 12px 0; }
  .primary-menu > li > a { padding: 12px 0; }
  .product-mega-menu { position: static; opacity: 1; transform: none; pointer-events: auto; box-shadow: none; border: 0; display: none; }
  .has-mega:hover .product-mega-menu { display: block; }
  .chenlu-mega-grid { width: 100%; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 18px; padding: 12px 0 20px; }
  .header-quote-btn { display: none; }
  .split-heading, .cta-panel { display: block; }
  .split-layout, .product-detail-grid, .product-content-grid, .case-detail-grid, .quote-layout, .contact-layout { grid-template-columns: 1fr; }
  .product-summary-panel, .product-sidebar-form, .case-sidebar, .quote-sidebar, .sticky-card { position: static; }
  .main-gallery-image img { height: auto; }
  .faq-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .container { width: min(100% - 28px, var(--chenlu-container)); }
  .section { padding: 52px 0; }
  .hero-section { min-height: 560px; }
  .hero-content { margin-left: 14px; margin-right: 14px; }
  .chenlu-product-matrix, .chenlu-mega-grid, .product-grid, .case-grid, .video-grid, .visit-grid, .certificate-grid, .process-grid, .four-cols, .advantage-grid { grid-template-columns: 1fr; }
  .product-directory-card { padding: 22px; }
  .product-search { width: 100%; }
  .product-search input { min-width: 0; flex: 1; }
  .form-grid { grid-template-columns: 1fr; }
  .footer-grid, .footer-bottom { grid-template-columns: 1fr; display: grid; }
  .brand-text small { display: none; }
  .case-gallery-grid { grid-template-columns: 1fr; }
}

/* V2 editable image fields */
.visual-image {
  width: 100%;
  height: 100%;
  min-height: 260px;
  object-fit: cover;
  border-radius: 22px;
  display: block;
}
.map-placeholder .visual-image,
.video-preview-card .visual-image {
  min-height: 220px;
  border-radius: 18px;
}

/* V3 product taxonomy repair UI */
.term-chip-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.term-chip { display: inline-flex; align-items: center; padding: 8px 12px; border-radius: 999px; background: #fff; border: 1px solid #e2e8f0; color: #0f172a; font-size: 14px; font-weight: 700; }
.term-chip:hover { border-color: #c89b3c; color: #c89b3c; }
.wide-empty-state { margin-bottom: 20px; }

/* V4 Visit Chenlu subdirectory navigation */
.has-dropdown { position: relative; }
.simple-dropdown {
  position: absolute;
  left: 0;
  top: 100%;
  min-width: 220px;
  list-style: none;
  margin: 0;
  padding: 10px;
  background: #fff;
  border: 1px solid var(--chenlu-border);
  border-radius: 0 0 16px 16px;
  box-shadow: var(--chenlu-shadow);
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  transition: .18s ease;
}
.has-dropdown:hover .simple-dropdown,
.has-dropdown:focus-within .simple-dropdown { opacity: 1; transform: translateY(0); pointer-events: auto; }
.simple-dropdown a { display: block; padding: 10px 12px; border-radius: 10px; font-size: 14px; font-weight: 800; color: #263241; }
.simple-dropdown a:hover { background: #fff5f5; color: var(--chenlu-gold); }
.visit-subnav {
  margin-top: -38px;
  margin-bottom: 34px;
  padding: 12px;
  background: #fff;
  border: 1px solid var(--chenlu-border);
  border-radius: 18px;
  box-shadow: var(--chenlu-shadow);
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.visit-subnav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 8px 15px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 900;
  border: 1px solid var(--chenlu-border);
  color: var(--chenlu-blue);
  background: #fff;
}
.visit-subnav a.active,
.visit-subnav a:hover { border-color: var(--chenlu-gold); background: var(--chenlu-gold); color: #fff; }
.landing-card-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 24px; }
.landing-card {
  display: block;
  background: #fff;
  border: 1px solid var(--chenlu-border);
  border-radius: 22px;
  padding: 28px;
  box-shadow: 0 10px 26px rgba(15,23,42,.05);
  min-height: 260px;
}
.landing-card span { display: inline-flex; color: var(--chenlu-gold); font-size: 12px; font-weight: 900; letter-spacing: .08em; margin-bottom: 16px; }
.landing-card h2 { font-size: 28px; }
.landing-card strong { color: var(--chenlu-gold); }
.landing-card:hover { transform: translateY(-2px); box-shadow: var(--chenlu-shadow); }
.stats-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 18px; }
.stat-card { background: #fff; border: 1px solid var(--chenlu-border); border-radius: 18px; padding: 24px; box-shadow: 0 10px 26px rgba(15,23,42,.045); }
.stat-card strong { display: block; color: var(--chenlu-gold); font-size: 36px; line-height: 1; margin-bottom: 10px; }
.stat-card span { color: #334155; font-weight: 800; }
.generated-download-card { border-color: rgba(200,155,60,.25); background: #fbf7ed; }
.btn.disabled { opacity: .6; cursor: not-allowed; pointer-events: none; }

@media (max-width: 900px) {
  .simple-dropdown { position: static; opacity: 1; transform: none; pointer-events: auto; display: none; box-shadow: none; border: 0; padding: 0 0 10px 16px; }
  .has-dropdown:hover .simple-dropdown { display: block; }
  .landing-card-grid, .stats-grid { grid-template-columns: 1fr; }
}

/* V4.2 Visit subpage content blocks */
.visit-content-card { padding: 24px; }
.visit-content-card span { display: inline-grid; place-items: center; width: 42px; height: 42px; border-radius: 14px; background: rgba(200,155,60,.10); color: var(--chenlu-gold); font-weight: 900; margin-bottom: 16px; }
.visit-content-card h3 { margin-bottom: 10px; }
.visit-content-card p { margin-bottom: 0; }

/* V5 Visit Chenlu visual editable tabs */
.visit-tabs-template {
  margin: 22px 0 34px;
}
.compact-heading {
  max-width: 860px;
  margin-bottom: 24px;
}
.visit-visual-tabs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}
.visit-visual-tabs-two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  max-width: 920px;
}
.visit-visual-tab {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  background: #fff;
  color: inherit;
  text-decoration: none;
  border: 1px solid rgba(15, 23, 42, .10);
  border-radius: 22px;
  overflow: hidden;
  box-shadow: 0 16px 46px rgba(15, 23, 42, .08);
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.visit-visual-tab:hover,
.visit-visual-tab.active {
  transform: translateY(-3px);
  border-color: rgba(199, 23, 30, .42);
  box-shadow: 0 22px 60px rgba(15, 23, 42, .14);
}
.visit-visual-media {
  position: relative;
  height: 190px;
  background: linear-gradient(135deg, #0f2748, #c89b3c);
}
.visit-visual-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.visit-visual-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  padding: 22px;
  color: rgba(255, 255, 255, .9);
  font-weight: 700;
  text-align: center;
}
.visit-visual-badge {
  position: absolute;
  left: 18px;
  bottom: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  height: 44px;
  padding: 0 12px;
  border-radius: 999px;
  background: #c89b3c;
  color: #fff;
  font-weight: 800;
  box-shadow: 0 10px 25px rgba(0, 0, 0, .22);
}
.visit-visual-body {
  padding: 22px;
}
.visit-visual-body h3 {
  margin: 0 0 10px;
  color: #101827;
  font-size: 22px;
}
.visit-visual-body p {
  margin: 0 0 18px;
  color: #5d6675;
  line-height: 1.65;
}
.visit-visual-body strong {
  color: #c89b3c;
}
.quote-download-ready {
  margin: 18px 0;
}
@media (max-width: 900px) {
  .visit-visual-tabs {
    grid-template-columns: 1fr;
  }
  .visit-visual-media {
    height: 220px;
  }
}


/* V5.1 Quotation gate modal: download after inquiry */
.quote-gate-modal {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.quote-gate-modal.is-open {
  display: flex;
}
.quote-gate-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(7, 16, 31, .72);
  backdrop-filter: blur(4px);
}
.quote-gate-dialog {
  position: relative;
  z-index: 1;
  width: min(760px, 100%);
  max-height: calc(100vh - 48px);
  overflow: auto;
  background: #fff;
  border-radius: 24px;
  box-shadow: 0 26px 90px rgba(0, 0, 0, .32);
  padding: 28px;
}
.quote-gate-close {
  position: absolute;
  right: 18px;
  top: 16px;
  width: 38px;
  height: 38px;
  border: 0;
  border-radius: 999px;
  background: rgba(15, 23, 42, .08);
  color: #101827;
  cursor: pointer;
  font-size: 28px;
  line-height: 1;
}
.quote-gate-close:hover {
  background: rgba(199, 23, 30, .12);
  color: #c89b3c;
}
.quote-gate-head {
  padding-right: 42px;
  margin-bottom: 18px;
}
.quote-gate-head h2 {
  margin: 0 0 10px;
}
.quote-gate-head p {
  margin-bottom: 8px;
}
.quote-selected-file {
  display: inline-block;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(199, 23, 30, .10);
  color: #c89b3c;
  font-weight: 700;
}
.quote-gate-dialog .inquiry-box {
  box-shadow: none;
  border: 1px solid rgba(15, 23, 42, .10);
}
.quote-gate-dialog .inquiry-box h3,
.quote-gate-dialog .inquiry-box > p {
  display: none;
}
@media (max-width: 640px) {
  .quote-gate-modal {
    padding: 12px;
  }
  .quote-gate-dialog {
    padding: 20px;
    border-radius: 18px;
  }
  .quote-gate-head {
    padding-right: 30px;
  }
}


/* V7 SEO landing blocks */
.seo-landing-section{background:#f6f8fb;padding-top:56px;padding-bottom:30px}.seo-landing-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(320px,.85fr);gap:28px;align-items:start}.seo-landing-grid.two-cols{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:24px}.seo-copy-card,.seo-spec-card{background:#fff;border:1px solid rgba(13,34,61,.08);border-radius:22px;padding:30px;box-shadow:0 18px 50px rgba(13,34,61,.08)}.seo-copy-card h2,.seo-copy-card h3,.seo-spec-card h3{margin-top:0}.seo-copy-card p{font-size:17px;line-height:1.8;color:#4f6178}.seo-copy-card.compact{padding:26px}.check-list{margin:0;padding:0;list-style:none}.check-list li{position:relative;margin:0 0 12px;padding-left:26px;color:#4f6178}.check-list li:before{content:'✓';position:absolute;left:0;top:0;color:#c89b3c;font-weight:800}.seo-spec-card .spec-table{margin:0}.seo-spec-card .spec-table th{width:40%}@media (max-width:900px){.seo-landing-grid,.seo-landing-grid.two-cols{grid-template-columns:1fr}.seo-copy-card,.seo-spec-card{padding:22px}}


/* V7.1 multilingual language switcher */
.chenlu-language-switcher{position:relative;display:inline-flex;align-items:center;gap:8px;font-weight:700}.chenlu-language-current{display:inline-flex;align-items:center;gap:6px;color:#0c1a2b;font-size:13px;white-space:nowrap}.chenlu-language-list{display:inline-flex;gap:6px;align-items:center;flex-wrap:wrap}.chenlu-language-link{display:inline-flex;align-items:center;gap:5px;padding:7px 10px;border:1px solid rgba(12,26,43,.12);border-radius:999px;background:#fff;color:#10223a;text-decoration:none;font-size:13px;line-height:1;transition:.18s ease}.chenlu-language-link:hover,.chenlu-language-link.active{color:#fff;background:#c89b3c;border-color:#c89b3c}.chenlu-language-header{margin-left:10px}.chenlu-language-header .chenlu-language-current{display:none}.chenlu-language-footer{display:block}.chenlu-language-footer .chenlu-language-current{color:rgba(255,255,255,.8);margin-bottom:10px}.chenlu-language-footer .chenlu-language-list{margin-top:10px}.chenlu-language-footer .chenlu-language-link{background:rgba(255,255,255,.06);color:#fff;border-color:rgba(255,255,255,.16)}.chenlu-language-floating{position:fixed;right:20px;bottom:92px;z-index:999;padding:10px;border-radius:18px;box-shadow:0 18px 50px rgba(0,0,0,.18);background:#fff}.chenlu-language-floating .chenlu-language-current{display:none}.chenlu-language-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;margin-top:28px}.chenlu-language-card{display:flex;min-height:190px;flex-direction:column;justify-content:center;gap:12px;padding:28px;border-radius:24px;background:#fff;box-shadow:0 18px 52px rgba(12,26,43,.08);border:1px solid rgba(12,26,43,.08);text-decoration:none;color:#0c1a2b;transition:.18s ease}.chenlu-language-card:hover{transform:translateY(-3px);box-shadow:0 24px 70px rgba(12,26,43,.14)}.chenlu-language-card-flag{font-size:40px;line-height:1}.chenlu-language-card strong{font-size:24px}.chenlu-language-card small{color:#52627a;font-size:15px;line-height:1.7}.chenlu-language-note{margin-top:24px;color:#657389}.chenlu-google-translate-element{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}body>.skiptranslate,.goog-te-banner-frame,.goog-te-gadget-icon{display:none!important}body{top:0!important}@media (max-width:980px){.chenlu-language-header{margin:10px 0 0;width:100%;justify-content:center}.chenlu-language-cards{grid-template-columns:1fr}}


/* V7.2 language dropdown: single Languages button + dropdown list */
.chenlu-language-switcher{position:relative;display:inline-flex;align-items:center;font-weight:800;z-index:80}.chenlu-language-toggle{display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(12,26,43,.12);border-radius:999px;background:#fff;color:#0c1a2b;padding:9px 14px;font-size:14px;font-weight:900;line-height:1;cursor:pointer;box-shadow:0 8px 24px rgba(12,26,43,.08);transition:.18s ease}.chenlu-language-toggle:hover,.chenlu-language-switcher.is-open .chenlu-language-toggle{background:#c89b3c;border-color:#c89b3c;color:#fff}.chenlu-language-current-code{display:inline-flex;align-items:center;justify-content:center;min-width:28px;height:22px;border-radius:999px;background:rgba(216,25,32,.10);color:#c89b3c;font-size:12px}.chenlu-language-toggle:hover .chenlu-language-current-code,.chenlu-language-switcher.is-open .chenlu-language-current-code{background:rgba(255,255,255,.22);color:#fff}.chenlu-language-arrow{font-size:12px;line-height:1}.chenlu-language-menu{position:absolute;right:0;top:calc(100% + 12px);min-width:190px;padding:10px;border:1px solid rgba(12,26,43,.10);border-radius:18px;background:#fff;box-shadow:0 18px 54px rgba(12,26,43,.18);opacity:0;visibility:hidden;transform:translateY(8px);transition:.16s ease;z-index:999}.chenlu-language-switcher.is-open .chenlu-language-menu,.chenlu-language-switcher:hover .chenlu-language-menu{opacity:1;visibility:visible;transform:translateY(0)}.chenlu-language-option{display:flex;align-items:center;gap:10px;padding:11px 12px;border-radius:12px;color:#10223a;text-decoration:none;font-size:14px;font-weight:800;line-height:1.2}.chenlu-language-option:hover,.chenlu-language-option.active{background:#f3f6fb;color:#c89b3c}.chenlu-language-flag{font-size:18px}.chenlu-language-label{white-space:nowrap}.chenlu-language-header{margin-left:12px}.chenlu-language-footer{margin-top:12px}.chenlu-language-footer .chenlu-language-toggle{background:rgba(255,255,255,.06);color:#fff;border-color:rgba(255,255,255,.18);box-shadow:none}.chenlu-language-footer .chenlu-language-current-code{background:rgba(255,255,255,.12);color:#fff}.chenlu-language-footer .chenlu-language-menu{left:0;right:auto}.chenlu-language-floating{position:fixed;right:20px;bottom:92px;z-index:999}.chenlu-language-page{justify-content:center}.chenlu-language-page .chenlu-language-toggle{font-size:16px;padding:13px 18px}.chenlu-language-page .chenlu-language-menu{left:50%;right:auto;transform:translate(-50%,8px)}.chenlu-language-page.is-open .chenlu-language-menu,.chenlu-language-page:hover .chenlu-language-menu{transform:translate(-50%,0)}.chenlu-language-page-panel{max-width:760px;margin:0 auto;padding:34px;border-radius:26px;background:#fff;border:1px solid rgba(12,26,43,.08);box-shadow:0 18px 55px rgba(12,26,43,.08);text-align:center}.chenlu-language-page-panel h2{margin:0 0 10px;font-size:34px}.chenlu-language-page-panel>p{margin:0 auto 22px;max-width:620px;color:#52627a}.chenlu-language-note{margin-top:22px;color:#657389;font-size:14px}.chenlu-google-translate-element{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}body>.skiptranslate,.goog-te-banner-frame,.goog-te-gadget-icon{display:none!important}body{top:0!important}@media (max-width:1100px){.chenlu-language-header{margin:12px 0 0}.chenlu-language-menu{right:auto;left:0}}@media (max-width:760px){.chenlu-language-toggle-text{display:inline}.chenlu-language-menu{min-width:170px}.chenlu-language-page-panel{padding:24px}.chenlu-language-page-panel h2{font-size:28px}}


/* V7.3 industrial gold + blue adjustments */
body { background: #f7f9fc; }
.site-header { background: rgba(255,255,255,.98); border-bottom: 1px solid rgba(11,47,87,.10); }
.topbar { background: #071a31; }
.primary-menu > li > a { color: #122338; letter-spacing: .01em; }
.primary-menu > li > a:hover { color: var(--chenlu-gold); }
.header-quote-btn,
.btn-primary { background: linear-gradient(135deg, var(--chenlu-gold), var(--chenlu-gold-dark)); color:#fff; box-shadow: 0 10px 24px rgba(200,155,60,.22); }
.header-quote-btn:hover,
.btn-primary:hover { background: linear-gradient(135deg, #d6ad52, var(--chenlu-gold-dark)); color:#fff; }
.btn-outline:hover { border-color: var(--chenlu-gold); color: var(--chenlu-gold-dark); }
.hero-section,
.page-hero,
.cta-section,
.quote-wa-block { background: linear-gradient(135deg, #071a31 0%, #0b2f57 58%, #14243a 100%); }
.hero-section { background: linear-gradient(110deg, rgba(7,26,49,.94), rgba(11,47,87,.80) 52%, rgba(200,155,60,.34)), radial-gradient(circle at 76% 24%, rgba(200,155,60,.18), transparent 35%), #071a31; }
.eyebrow { color: var(--chenlu-gold); }
.hero-content .eyebrow { color: #f1d48b; }
.card-badge,
.feature-card span,
.play-icon,
.visit-visual-badge { background: var(--chenlu-gold); }
.case-meta span { background: rgba(200,155,60,.12); color: var(--chenlu-gold-dark); }
.simple-dropdown a:hover { background: #fbf6e8; color: var(--chenlu-gold-dark); }
.product-card, .case-card, .video-card, .visit-card, .certificate-card, .download-card, .content-card, .info-card, .inquiry-box, .resource-card, .support-card, .quotation-product-card { border-color: rgba(11,47,87,.10); box-shadow: 0 14px 34px rgba(11,47,87,.075); }
.content-block { border-color: rgba(11,47,87,.10); }

/* V7.3 Resources */
.resources-grid,
.support-card-grid,
.knowledge-grid { display:grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap:24px; }
.resource-card,
.support-card { display:flex; flex-direction:column; min-height:230px; padding:28px; background:#fff; border:1px solid rgba(11,47,87,.10); border-radius:22px; color:#10223a; transition:.18s ease; }
.resource-card:hover { transform: translateY(-3px); box-shadow: 0 24px 62px rgba(11,47,87,.14); color:#10223a; }
.resource-card span,
.support-card span { display:inline-flex; align-items:center; justify-content:center; width:46px; height:46px; border-radius:14px; background:linear-gradient(135deg,var(--chenlu-blue),#071a31); color:#fff; font-weight:900; margin-bottom:22px; }
.resource-card h3,
.support-card h3 { color:#10223a; }
.resource-card strong { color:var(--chenlu-gold-dark); margin-top:auto; }
.resources-cta-block { margin-top:28px; }
.knowledge-card { overflow:hidden; }
.knowledge-thumb { display:block; margin:-24px -24px 20px; aspect-ratio: 16/10; overflow:hidden; background:#eef2f7; }
.knowledge-thumb img { width:100%; height:100%; object-fit:cover; }

/* V7.3 Product quotation page */
.quotation-product-page .container { max-width: var(--chenlu-container); }
.quotation-product-heading { margin-bottom:28px; }
.quotation-product-grid { display:grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap:22px; }
.quotation-product-card { overflow:hidden; background:#fff; border:1px solid rgba(11,47,87,.10); border-radius:22px; box-shadow: 0 14px 34px rgba(11,47,87,.075); display:flex; flex-direction:column; }
.quotation-product-media { display:block; aspect-ratio: 4/3; background:#eef2f7; overflow:hidden; }
.quotation-product-img { width:100%; height:100%; object-fit:cover; transition:.2s ease; }
.quotation-product-card:hover .quotation-product-img { transform: scale(1.035); }
.quotation-product-body { padding:18px; display:grid; gap:14px; }
.quotation-product-body h3 { font-size:18px; min-height:42px; margin:0; }
.quotation-product-body .btn { width:100%; }
.btn.disabled, .disabled { pointer-events:none; opacity:.55; }
.quotation-bottom-wa { margin-top:34px; }
.quote-selected-file { background: rgba(200,155,60,.12); color: var(--chenlu-gold-dark); }
.quote-gate-close:hover { background: rgba(200,155,60,.14); color: var(--chenlu-gold-dark); }

@media (max-width:1180px){ .quotation-product-grid{grid-template-columns:repeat(3,minmax(0,1fr));} }
@media (max-width:900px){ .resources-grid,.support-card-grid,.knowledge-grid,.quotation-product-grid{grid-template-columns:repeat(2,minmax(0,1fr));} }
@media (max-width:640px){ .resources-grid,.support-card-grid,.knowledge-grid,.quotation-product-grid{grid-template-columns:1fr;} }

/* V7.3.1 lighter industrial blue and Resources operation fixes */
:root {
  --chenlu-blue: #23689a;
  --chenlu-steel: #31536f;
  --chenlu-shadow: 0 18px 45px rgba(35, 104, 154, 0.12);
}
.topbar { background: #245f8e; }
.page-hero { background: linear-gradient(135deg, #2d6f9f, #5b8eb8); }
.hero-section { background: linear-gradient(110deg, rgba(18,22,28,.22), rgba(18,22,28,.13) 52%, rgba(18,22,28,.06)), radial-gradient(circle at 76% 24%, rgba(255,255,255,.10), transparent 35%), #eef3f7; }
.dark-section { background: #245b84; }
.cta-section { background: linear-gradient(135deg, #2d6f9f, #5b8eb8); }
.quote-wa-block { background: linear-gradient(135deg, #2d6f9f 0%, #3f7fab 58%, #31536f 100%); }
.site-footer { background: #1f4b70; }
.resource-card span,
.support-card span { background: linear-gradient(135deg, #3f7fab, #23689a); }
.product-card, .case-card, .video-card, .visit-card, .certificate-card, .download-card, .content-card, .info-card, .inquiry-box, .resource-card, .support-card, .quotation-product-card { border-color: rgba(35,104,154,.13); box-shadow: 0 14px 34px rgba(35,104,154,.075); }
.content-block { border-color: rgba(35,104,154,.12); }
.simple-dropdown a:hover { background: #f3f8fc; }

.quotation-product-card.quotation-product-trigger { color: #10223a; text-decoration: none; cursor: pointer; transition: .18s ease; }
.quotation-product-card.quotation-product-trigger:hover { transform: translateY(-3px); box-shadow: 0 24px 62px rgba(35,104,154,.14); color: #10223a; }
.quotation-product-card.is-disabled { cursor: default; opacity: .78; }
.quotation-product-card.is-disabled:hover { transform: none; }
.quotation-product-title { display: block; min-height: 44px; font-size: 18px; line-height: 1.25; color: #10223a; }
.resources-article-heading { margin-top: 42px; }
.resource-article-card { padding: 24px; }
.single-back-link { margin-top: 34px; }

/* v7.3.2: Quotation cards are buttons so the whole card opens the inquiry modal, never a product page. */
button.quotation-product-card { width: 100%; text-align: left; font: inherit; appearance: none; -webkit-appearance: none; padding: 0; }
button.quotation-product-card:focus-visible { outline: 3px solid rgba(197,143,42,.45); outline-offset: 4px; }

/* V7.3.6 homepage video banner */
.hero-video-section {
  isolation: isolate;
  background-size: cover;
  background-position: center;
}
.hero-bg-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  background: #2d6f9f;
}
.hero-video-scrim {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(110deg, rgba(18,22,28,.22), rgba(18,22,28,.13) 52%, rgba(18,22,28,.06)),
    radial-gradient(circle at 78% 22%, rgba(255,255,255,.10), transparent 36%);
  pointer-events: none;
}
.hero-video-section:after {
  z-index: 1;
  pointer-events: none;
}
.hero-video-section .hero-content {
  z-index: 2;
}
@media (max-width: 760px) {
  .hero-bg-video {
    object-position: center center;
  }
  .hero-video-scrim {
    background: linear-gradient(115deg, rgba(18,22,28,.30), rgba(18,22,28,.20) 60%, rgba(18,22,28,.08));
  }
}


/* V7.3.7 homepage banner: very light black-gray overlay */
.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: rgba(18,22,28,.04);
  pointer-events: none;
}
.hero-video-scrim {
  background:
    linear-gradient(110deg, rgba(18,22,28,.22), rgba(18,22,28,.13) 52%, rgba(18,22,28,.06)),
    radial-gradient(circle at 78% 22%, rgba(255,255,255,.10), transparent 36%);
}
@media (max-width: 760px) {
  .hero-video-scrim {
    background: linear-gradient(115deg, rgba(18,22,28,.30), rgba(18,22,28,.20) 60%, rgba(18,22,28,.08));
  }
}


/* V7.3.8 homepage banner: match current wide video aspect ratio.
   Current video ratio is approximately 20480:8704 / 1920:816 = 2.3529:1. */
.hero-section {
  min-height: 0;
  aspect-ratio: 20480 / 8704;
  height: auto;
  align-items: center;
}
.hero-video-section {
  aspect-ratio: 20480 / 8704;
}
.hero-bg-video {
  object-fit: cover;
  object-position: center center;
}
@media (max-width: 1100px) {
  .hero-section,
  .hero-video-section {
    min-height: 500px;
    aspect-ratio: auto;
  }
}
@media (max-width: 640px) {
  .hero-section,
  .hero-video-section {
    min-height: 560px;
    aspect-ratio: auto;
  }
}

/* V7.3.9 Resources center: tab UX and standardized resource cards */
.resources-tabs-section .section-heading { max-width: 860px; margin-left: auto; margin-right: auto; }
.resources-tabs { margin-top: 28px; }
.resources-tab-buttons { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; margin-bottom: 28px; padding: 8px; background: rgba(35,104,154,.06); border: 1px solid rgba(35,104,154,.12); border-radius: 999px; }
.resources-tab-button { appearance: none; border: 1px solid transparent; background: transparent; color: #17324f; font-weight: 800; padding: 12px 24px; border-radius: 999px; cursor: pointer; transition: .18s ease; }
.resources-tab-button:hover { background: rgba(35,104,154,.09); }
.resources-tab-button.is-active { color: #fff; background: linear-gradient(135deg, #2f79ac, #1f5f91); box-shadow: 0 12px 28px rgba(35,104,154,.20); }
.resource-tabs-panel { display: none; }
.resource-tabs-panel.is-active { display: block; }
.resource-panel-head { display: flex; align-items: end; justify-content: space-between; gap: 16px; margin-bottom: 18px; }
.resource-panel-head h3 { margin: 0; font-size: clamp(24px, 3vw, 34px); color: #10223a; }
.resource-standard-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.resource-standard-card { display: flex; flex-direction: column; overflow: hidden; background: #fff; border: 1px solid rgba(35,104,154,.13); border-radius: 24px; box-shadow: 0 16px 38px rgba(35,104,154,.075); min-height: 100%; transition: transform .18s ease, box-shadow .18s ease; }
.resource-standard-card:hover { transform: translateY(-3px); box-shadow: 0 24px 58px rgba(35,104,154,.14); }
.resource-standard-thumb { position: relative; display: block; aspect-ratio: 16 / 10; overflow: hidden; background: #edf3f8; }
.resource-standard-thumb img, .resource-standard-img { width: 100%; height: 100%; object-fit: cover; display: block; }
.resource-standard-body { display: flex; flex-direction: column; gap: 12px; padding: 22px; flex: 1; }
.resource-standard-meta { display: flex; align-items: center; justify-content: space-between; gap: 10px; font-size: 12px; color: #66788d; }
.resource-standard-meta span { display: inline-flex; align-items: center; max-width: 65%; padding: 6px 10px; border-radius: 999px; background: rgba(197,145,45,.12); color: #8a6118; font-weight: 900; text-transform: uppercase; letter-spacing: .06em; }
.resource-standard-meta time, .resource-standard-meta em { font-style: normal; white-space: nowrap; }
.resource-standard-card h3 { margin: 0; font-size: 20px; line-height: 1.25; color: #10223a; }
.resource-standard-card h3 a { color: inherit; }
.resource-standard-card p { margin: 0; color: #5f6f82; line-height: 1.65; }
.resource-standard-subtitle { color: #26445f !important; font-weight: 700; }
.resource-standard-points { padding: 14px 16px; border-radius: 18px; background: #f5f8fb; border: 1px solid rgba(35,104,154,.09); }
.resource-standard-points strong { display: block; color: #17324f; margin-bottom: 8px; }
.resource-standard-points ul { margin: 0; padding-left: 18px; color: #5f6f82; }
.resource-standard-points li + li { margin-top: 5px; }
.resource-standard-related { font-size: 14px; }
.resource-standard-related span { color: #17324f; font-weight: 900; }
.resource-standard-link { margin-top: auto; align-self: flex-start; }
.resource-empty-state { grid-column: 1 / -1; }
.resource-fallback-card { border-style: dashed; background: linear-gradient(180deg, #fff, #fbfcfe); }
.resource-standard-admin-note { margin-top: auto !important; padding-top: 10px; border-top: 1px solid rgba(35,104,154,.10); font-size: 13px; color: #7d8b9d !important; }
.resource-single-standard { margin: 0 0 28px; padding: 24px; border: 1px solid rgba(35,104,154,.13); border-radius: 22px; background: #f7fafc; }
.resource-single-summary { font-size: 18px; color: #26445f; }
@media (max-width: 1000px) { .resource-standard-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) { .resources-tab-buttons { border-radius: 22px; } .resources-tab-button { flex: 1 1 100%; } .resource-panel-head { align-items: flex-start; flex-direction: column; } .resource-standard-grid { grid-template-columns: 1fr; } }

/* Quotation AJAX form feedback */
.chenlu-inquiry-form button[disabled] {
    cursor: wait;
    opacity: .75;
}
.chenlu-form-status {
    margin-top: 14px;
    padding: 12px 14px;
    border-radius: 14px;
    font-size: 14px;
    line-height: 1.55;
    border: 1px solid rgba(48, 105, 150, .18);
    background: rgba(48, 105, 150, .06);
    color: #1f3446;
}
.chenlu-form-status a {
    display: inline-block;
    margin-top: 6px;
    font-weight: 800;
    color: var(--gold-700);
    text-decoration: underline;
}
.chenlu-form-status.is-loading {
    background: rgba(48, 105, 150, .08);
}
.chenlu-form-status.is-success {
    border-color: rgba(42, 124, 84, .22);
    background: rgba(42, 124, 84, .08);
    color: #1f5138;
}
.chenlu-form-status.is-error {
    border-color: rgba(190, 72, 72, .25);
    background: rgba(190, 72, 72, .08);
    color: #8a2d2d;
}