/* ============================================
   GEAR Automotive Technology — Business B2B theme
   Modern corporate industrial style
   ============================================ */

:root {
  --primary: #0f2d52;
  --primary-light: #1e4d8b;
  --primary-dark: #08203b;
  --accent: #b8860b;
  --accent-light: #d4a574;
  --accent-dark: #8b6508;
  --text: #2c3e50;
  --text-light: #5a6c80;
  --bg: #ffffff;
  --bg-soft: #f7f9fc;
  --bg-section: #fafbfc;
  --border: #e3e8ef;
  --shadow-sm: 0 2px 6px rgba(15,45,82,0.06);
  --shadow-md: 0 6px 24px rgba(15,45,82,0.10);
  --shadow-lg: 0 12px 40px rgba(15,45,82,0.14);
  --radius: 4px;
  --radius-lg: 8px;
  --transition: all 0.25s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html, body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 14px;
  color: var(--text);
  line-height: 1.7;
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: inherit; text-decoration: none; transition: var(--transition); }
img { max-width: 100%; display: block; }
ul, li { list-style: none; }
.clearfix::after { content: ""; display: block; clear: both; }

.container { max-width: 1240px; margin: 0 auto; padding: 0 16px; }
.w1500 { max-width: 1500px; margin: 0 auto; padding: 0 16px; }

/* ======== TOPBAR ======== */
.topbar {
  background: var(--primary-dark);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  font-size: 12px;
  color: #b3c2d4;
  padding: 8px 0;
}
.topbar-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 4px 12px; }
.topbar a { color: #b3c2d4; margin: 0 8px; letter-spacing: 0.5px; }
.topbar a.active, .topbar a:hover { color: var(--accent-light); }
.topbar .sep { color: rgba(255,255,255,0.15); margin: 0 4px; }
.topbar .tag {
  display: inline-block;
  padding: 1px 8px;
  background: var(--accent);
  color: #fff;
  border-radius: 2px;
  font-size: 10px;
  letter-spacing: 1px;
  margin-right: 6px;
  font-weight: 600;
}

/* ======== HEADER ======== */
.site-header {
  background: var(--bg);
  box-shadow: var(--shadow-sm);
  position: sticky; top: 0; z-index: 100;
}
.site-header .head-row {
  display: flex; justify-content: space-between; align-items: center;
  gap: 16px; padding: 18px 0;
}
.site-header .logo { display: flex; align-items: center; gap: 14px; min-width: 0; }
.site-header .logo img { height: 60px; flex: 0 0 auto; }
.site-header .logo .brand-name {
  color: var(--primary);
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 1.5px;
  line-height: 1.2;
  min-width: 0;
  overflow-wrap: break-word;
}
.site-header .logo .brand-name small {
  display: block;
  font-size: 11px;
  color: var(--text-light);
  font-weight: 500;
  letter-spacing: 3px;
  margin-top: 4px;
  text-transform: uppercase;
}

.head-phone { text-align: right; padding-right: 4px; flex: 0 0 auto; }
.head-phone .label {
  font-size: 11px;
  color: var(--text-light);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 2px;
}
.head-phone .num {
  color: var(--accent);
  font-size: 28px;
  font-weight: 800;
  letter-spacing: 1.5px;
  display: block;
  line-height: 1;
}

/* ======== MAIN NAV ======== */
.main-nav {
  background: linear-gradient(90deg, var(--primary) 0%, var(--primary-light) 100%);
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}
.main-nav ul { display: flex; flex-wrap: wrap; }
.main-nav li { position: relative; }
.main-nav > ul > li > a {
  color: rgba(255,255,255,0.92);
  padding: 18px 26px;
  display: block;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 1px;
  transition: var(--transition);
  position: relative;
}
.main-nav > ul > li > a::after {
  content: "";
  position: absolute;
  bottom: 0; left: 50%; right: 50%;
  height: 2px;
  background: var(--accent-light);
  transition: var(--transition);
}
.main-nav > ul > li > a:hover,
.main-nav > ul > li.active > a {
  background: rgba(255,255,255,0.08);
  color: #fff;
}
.main-nav > ul > li > a:hover::after,
.main-nav > ul > li.active > a::after {
  left: 0; right: 0;
}
.main-nav .submenu {
  position: absolute;
  top: 100%; left: 0;
  background: #fff;
  min-width: 240px;
  box-shadow: var(--shadow-md);
  display: none;
  z-index: 99;
  border-top: 3px solid var(--accent);
}
.main-nav li:hover .submenu { display: block; }
.main-nav .submenu a {
  display: block;
  padding: 12px 22px;
  color: var(--text);
  font-size: 13px;
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
.main-nav .submenu a:hover {
  background: var(--bg-soft);
  color: var(--primary);
  padding-left: 28px;
}

/* ======== BANNER ======== */
.banner { position: relative; overflow: hidden; max-height: 560px; }
.banner img { width: 100%; max-height: 560px; object-fit: cover; }
.banner-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(15,45,82,0.45) 0%, rgba(15,45,82,0.15) 100%);
  display: flex; align-items: center;
  pointer-events: none;
}
.banner-overlay .copy { padding: 0 60px; max-width: min(680px, 56%); color: #fff; }
.banner-overlay .copy .eyebrow {
  font-size: 11px;
  letter-spacing: 6px;
  color: var(--accent-light);
  margin-bottom: 12px;
  text-transform: uppercase;
}
.banner-overlay .copy .head {
  font-size: 40px;
  font-weight: 800;
  letter-spacing: 2px;
  line-height: 1.3;
  text-shadow: 0 2px 12px rgba(0,0,0,0.4);
}
.banner-overlay .copy .body {
  font-size: 15px;
  margin-top: 12px;
  opacity: 0.92;
  letter-spacing: 1px;
}
.banner-overlay .copy .badges {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.banner-overlay .copy .badge {
  display: inline-block;
  padding: 5px 14px;
  border: 1px solid rgba(212,165,116,0.75);
  border-radius: 20px;
  font-size: 11px;
  letter-spacing: 1.5px;
  font-weight: 600;
  color: #fff;
  white-space: nowrap;
  background: rgba(255,255,255,0.06);
}
/* Latin languages need a smaller headline so long names stay on their line */
html:not([lang="zh"]) .banner-overlay .copy .head { font-size: 28px; letter-spacing: 1px; }
html:not([lang="zh"]) .banner-overlay .copy .eyebrow { letter-spacing: 3px; }

/* ======== SECTION TITLES ======== */
.section-title { text-align: center; padding: 70px 0 36px; }
.section-title .eyebrow {
  display: inline-block;
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 6px;
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 10px;
  position: relative;
  padding: 0 24px;
}
.section-title .eyebrow::before,
.section-title .eyebrow::after {
  content: "";
  position: absolute; top: 50%;
  width: 14px; height: 1px;
  background: var(--accent);
}
.section-title .eyebrow::before { left: 0; }
.section-title .eyebrow::after { right: 0; }
.section-title .t1 {
  font-size: 30px;
  color: var(--primary);
  font-weight: 800;
  letter-spacing: 3px;
}
.section-title .t1 small {
  display: block;
  font-size: 12px;
  color: var(--text-light);
  font-weight: 500;
  letter-spacing: 5px;
  margin-top: 6px;
  text-transform: uppercase;
}

/* ======== EQUIPMENT SHOWCASE ======== */
.equipment-section { background: var(--bg-soft); padding: 0 0 50px; }
.equipment-track {
  display: flex; gap: 14px; padding: 0 16px;
  max-width: 1500px; margin: 0 auto;
  overflow-x: auto; scroll-snap-type: x mandatory;
}
.equipment-track .slide {
  flex: 0 0 290px;
  scroll-snap-align: start;
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}
.equipment-track .slide:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.equipment-track .slide img {
  width: 100%; height: 200px; object-fit: cover;
}
.equipment-track .slide .label {
  text-align: center; padding: 14px;
  color: var(--primary);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.5px;
}

/* ======== ABOUT BLOCK ======== */
.about-block { padding: 60px 0; }
.about-flex { display: flex; gap: 50px; align-items: center; }
.about-text { flex: 1; }
.about-text .eyebrow {
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 5px;
  text-transform: uppercase;
  font-weight: 700;
  margin-bottom: 8px;
}
.about-text h2 {
  font-size: 30px;
  color: var(--primary);
  margin-bottom: 14px;
  letter-spacing: 1.5px;
  font-weight: 800;
  line-height: 1.3;
}
.about-text h2 small {
  display: block;
  font-size: 13px;
  color: var(--text-light);
  font-weight: 400;
  letter-spacing: 3px;
  margin-top: 4px;
}
.about-text p { color: var(--text-light); line-height: 2; margin-bottom: 14px; }
.about-text .stats {
  display: flex; gap: 30px; margin: 24px 0 18px;
}
.about-text .stats .item .num {
  font-size: 32px; color: var(--primary); font-weight: 800;
  letter-spacing: 1px; display: block; line-height: 1;
}
.about-text .stats .item .lab {
  font-size: 12px; color: var(--text-light);
  letter-spacing: 2px; margin-top: 6px;
}
.about-text .more {
  display: inline-block;
  color: #fff;
  background: var(--primary);
  padding: 12px 32px;
  margin-top: 14px;
  font-weight: 600;
  letter-spacing: 2px;
  border-radius: var(--radius);
  transition: var(--transition);
  font-size: 13px;
}
.about-text .more:hover { background: var(--accent); transform: translateX(4px); }
.about-img { flex: 0 0 520px; }
.about-img img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

/* ======== PRODUCTS ======== */
.products-section { background: #fff; padding: 30px 0 70px; }
.products-flex { display: flex; gap: 24px; }
.cat-sidebar {
  flex: 0 0 280px;
  background: linear-gradient(180deg, var(--primary) 0%, var(--primary-light) 100%);
  border-radius: var(--radius-lg);
  padding: 18px 0;
  box-shadow: var(--shadow-sm);
}
.cat-sidebar h3 {
  color: var(--accent-light);
  font-size: 12px;
  letter-spacing: 4px;
  padding: 6px 22px 14px;
  font-weight: 700;
  text-transform: uppercase;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 8px;
}
.cat-sidebar a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #fff;
  padding: 14px 22px;
  font-size: 14px;
  letter-spacing: 1px;
  transition: var(--transition);
  border-left: 3px solid transparent;
}
.cat-sidebar a:hover {
  background: rgba(255,255,255,0.08);
  border-left-color: var(--accent-light);
  padding-left: 26px;
}
.cat-sidebar a::after {
  content: "›";
  color: var(--accent-light);
  font-size: 20px;
  font-weight: 300;
}
.featured-grid {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.product-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  position: relative;
}
.product-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
  border-color: var(--primary-light);
}
.product-card .img {
  width: 100%;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--bg-section);
  display: flex; align-items: center; justify-content: center;
  position: relative;
}
.product-card .img::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(135deg, transparent 60%, rgba(15,45,82,0.04));
}
.product-card .img img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.5s ease;
}
.product-card:hover .img img { transform: scale(1.06); }
.product-card .info { padding: 16px; }
.product-card .cat-tag {
  font-size: 10px;
  color: var(--accent);
  letter-spacing: 3px;
  margin-bottom: 8px;
  text-transform: uppercase;
  font-weight: 700;
}
.product-card h3 {
  font-size: 14px;
  color: var(--primary);
  line-height: 1.5;
  min-height: 42px;
  font-weight: 600;
}
.product-card .more {
  display: block;
  padding: 10px 0;
  text-align: center;
  color: var(--text-light);
  border-top: 1px solid var(--border);
  margin-top: 12px;
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
}
.product-card:hover .more { color: var(--accent); }

/* ======== ADVANTAGES ======== */
.advantages-section { padding: 70px 0; background: var(--bg-soft); }
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 18px;
}
.adv-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 30px 14px;
  text-align: center;
  border: 1px solid var(--border);
  transition: var(--transition);
}
.adv-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.adv-card .ico {
  width: 64px; height: 64px;
  margin: 0 auto 14px;
  display: flex; align-items: center; justify-content: center;
}
.adv-card .ico img { width: 100%; height: 100%; object-fit: contain; }
.adv-card .cn {
  font-size: 14px;
  color: var(--primary);
  font-weight: 700;
  letter-spacing: 1px;
}
.adv-card .en {
  font-size: 11px;
  color: var(--text-light);
  margin-top: 6px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

/* ======== NEWS ======== */
.news-section { padding: 60px 0; }
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.news-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}
.news-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--primary-light);
}
.news-card .img {
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--bg-section);
  position: relative;
}
.news-card .img img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.5s ease;
}
.news-card:hover .img img { transform: scale(1.06); }
.news-card .info { padding: 22px; }
.news-card .cat {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  padding: 3px 12px;
  font-size: 11px;
  margin-bottom: 12px;
  letter-spacing: 1.5px;
  font-weight: 600;
  border-radius: 2px;
}
.news-card h3 {
  font-size: 16px;
  color: var(--primary);
  margin-bottom: 10px;
  line-height: 1.5;
  min-height: 48px;
  font-weight: 700;
  letter-spacing: 0.5px;
}
.news-card p {
  color: var(--text-light);
  font-size: 13px;
  line-height: 1.7;
}
.news-card .more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent);
  margin-top: 14px;
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  font-weight: 600;
}

/* ======== FOOTER ======== */
.site-footer {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  color: #b3c2d4;
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr 1.2fr;
  gap: 40px;
}
.footer-col h4 {
  color: #fff;
  font-size: 16px;
  margin-bottom: 18px;
  font-weight: 700;
  letter-spacing: 2px;
  position: relative;
  padding-bottom: 12px;
}
.footer-col h4::after {
  content: "";
  position: absolute;
  bottom: 0; left: 0;
  width: 32px; height: 2px;
  background: var(--accent);
}
.footer-col h4 small {
  display: block;
  color: rgba(255,255,255,0.4);
  font-size: 10px;
  letter-spacing: 2.5px;
  margin-top: 6px;
  font-weight: 500;
  text-transform: uppercase;
}
.footer-col ul li { padding: 5px 0; }
.footer-col ul li a { font-size: 13px; transition: var(--transition); }
.footer-col ul li a:hover { color: var(--accent-light); padding-left: 4px; }
.footer-col p { padding: 5px 0; font-size: 13px; line-height: 1.8; }
.footer-col p .lbl { color: rgba(255,255,255,0.6); display: inline-block; min-width: 80px; }
.footer-col p strong { color: var(--accent-light); font-size: 20px; font-weight: 800; letter-spacing: 1px; }

.footer-qr {
  display: flex;
  gap: 18px;
  align-items: flex-start;
}
.qr-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  padding: 12px;
  text-align: center;
  flex: 1;
  transition: var(--transition);
}
.qr-card:hover {
  border-color: var(--accent);
  background: rgba(255,255,255,0.06);
}
.qr-card img {
  width: 100%;
  max-width: 110px;
  height: auto;
  aspect-ratio: 1;
  background: #fff;
  padding: 6px;
  border-radius: var(--radius);
  margin: 0 auto;
  display: block;
}
.qr-card .qr-cn {
  margin-top: 8px;
  font-size: 11px;
  color: var(--accent-light);
  font-weight: 700;
  letter-spacing: 1.5px;
}
.qr-card .qr-en {
  font-size: 10px;
  color: rgba(255,255,255,0.5);
  letter-spacing: 1px;
  margin-top: 2px;
}

.copyright {
  background: rgba(0,0,0,0.2);
  padding: 18px 0;
  margin-top: 50px;
  text-align: center;
  font-size: 12px;
  color: rgba(255,255,255,0.5);
  letter-spacing: 1px;
}

/* ======== INNER PAGES ======== */
.crumb { background: var(--bg-soft); padding: 16px 0; font-size: 13px; color: var(--text-light); border-bottom: 1px solid var(--border); }
.crumb a:hover { color: var(--accent); }
.crumb .sep { margin: 0 10px; color: #ccc; }
.crumb .current { color: var(--primary); font-weight: 600; }

.page-banner {
  background: linear-gradient(120deg, var(--primary) 0%, var(--primary-light) 60%, #2c5d99 100%);
  padding: 70px 0;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.page-banner::before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(45deg, transparent 30%, rgba(184,134,11,0.1) 100%);
}
.page-banner h1 {
  font-size: 32px;
  letter-spacing: 3px;
  position: relative;
  font-weight: 800;
}
.page-banner h1 small {
  display: block;
  font-size: 13px;
  color: var(--accent-light);
  font-weight: 500;
  margin-top: 8px;
  letter-spacing: 5px;
  text-transform: uppercase;
}

.list-grid {
  padding: 50px 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.detail-page { padding: 60px 0; background: var(--bg-soft); }
.detail-wrap {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 50px;
  box-shadow: var(--shadow-sm);
}
.detail-flex { display: flex; gap: 50px; align-items: flex-start; }
.detail-img { flex: 0 0 480px; }
.detail-img img {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  background: var(--bg);
}
.detail-info { flex: 1; }
.detail-info h1 {
  font-size: 28px;
  color: var(--primary);
  margin-bottom: 14px;
  letter-spacing: 1.5px;
  font-weight: 800;
  line-height: 1.4;
}
.detail-info .meta {
  color: var(--text-light);
  font-size: 13px;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
  letter-spacing: 1px;
}
.detail-info .desc {
  color: var(--text);
  line-height: 2;
  margin-bottom: 30px;
  font-size: 14px;
}
.detail-info .spec {
  background: var(--bg-soft);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 24px;
}
.detail-info .spec .row {
  display: flex; padding: 6px 0;
  border-bottom: 1px dashed var(--border);
}
.detail-info .spec .row:last-child { border: none; }
.detail-info .spec .lbl { flex: 0 0 100px; color: var(--text-light); font-size: 13px; }
.detail-info .spec .val { color: var(--primary); font-weight: 600; }
.detail-info .cta-row { display: flex; gap: 14px; }
.detail-info .cta {
  flex: 1;
  padding: 16px;
  text-align: center;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 2px;
  cursor: pointer;
  transition: var(--transition);
  text-transform: uppercase;
}
.detail-info .cta.primary { background: var(--accent); color: #fff; }
.detail-info .cta.secondary { background: var(--primary); color: #fff; }
.detail-info .cta:hover { opacity: 0.9; transform: translateY(-2px); }

.text-page { padding: 60px 0; background: var(--bg-soft); }
.text-page .card {
  background: #fff;
  padding: 50px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  line-height: 2;
  color: var(--text);
}
.text-page h1,
.text-page .card h1 {
  color: var(--primary);
  font-size: 28px;
  text-align: center;
  margin-bottom: 30px;
  letter-spacing: 2px;
  font-weight: 800;
}
.text-page h1 small,
.text-page .card h1 small {
  display: block;
  color: var(--text-light);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 4px;
  margin-top: 6px;
  text-transform: uppercase;
}
.text-page .body { line-height: 2; color: var(--text); }
.text-page .body p { margin-bottom: 16px; }
.text-page .card p { margin-bottom: 16px; }
.text-page .card h2 {
  color: var(--primary);
  font-size: 18px;
  margin: 26px 0 12px;
  padding-left: 12px;
  border-left: 3px solid var(--accent);
  font-weight: 700;
  letter-spacing: 1px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  padding: 50px 0;
}
.contact-info-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-sm);
  border-top: 3px solid var(--accent);
}
.contact-info-card h3 {
  color: var(--primary);
  font-size: 18px;
  margin-bottom: 24px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
}
.contact-info-card .item {
  display: flex; align-items: center;
  padding: 12px 0;
  border-bottom: 1px dashed var(--border);
}
.contact-info-card .item:last-child { border-bottom: none; }
.contact-info-card .item .lab {
  color: var(--text-light);
  flex: 0 0 90px;
  font-size: 13px;
  letter-spacing: 1.5px;
}
.contact-info-card .item .val {
  color: var(--primary);
  font-weight: 700;
  font-size: 14px;
}
.contact-info-card .qr-row {
  display: flex; gap: 18px;
  margin-top: 24px;
  justify-content: center;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}
.contact-info-card .qr-row .qr-card {
  flex: 1; max-width: 160px;
  border: 1px solid var(--border);
  background: var(--bg-soft);
  padding: 12px;
}
.contact-info-card .qr-row .qr-card img {
  border: 2px solid #fff;
  background: #fff;
}

/* ======== MOBILE BOTTOM NAV ======== */
.mobile-bottom-nav {
  display: none;
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: rgba(255,255,255,0.98);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--border);
  padding: 8px 0;
  z-index: 999;
  box-shadow: 0 -2px 12px rgba(0,0,0,0.06);
}
.mobile-bottom-nav .ul { display: flex; justify-content: space-around; }
.mobile-bottom-nav .li { flex: 1; text-align: center; }
.mobile-bottom-nav .li a {
  color: var(--text-light);
  font-size: 11px;
  letter-spacing: 1px;
}
.mobile-bottom-nav .li img {
  width: 22px; height: 22px;
  margin: 0 auto 4px;
  filter: grayscale(0.4);
}
.mobile-bottom-nav .li a.active { color: var(--primary); }
.mobile-bottom-nav .li a.active img { filter: none; }

/* ======== INQUIRY CTA FLOATING ======== */
.inquiry-fab {
  display: none;
  position: fixed;
  right: 24px;
  bottom: 90px;
  z-index: 998;
}
.inquiry-fab a {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: 10px;
  letter-spacing: 1px;
  box-shadow: 0 6px 20px rgba(184,134,11,0.4);
  transition: var(--transition);
}
.inquiry-fab a:hover { transform: scale(1.06); background: var(--accent-dark); }

/* ======== RESPONSIVE ======== */
/* ======== OVERFLOW SAFETY (long words in RU/PT must not widen the page) ======== */
.advantages-grid > *, .featured-grid > *, .news-grid > *, .list-grid > *,
.about-flex > *, .detail-flex > *, .products-flex > * { min-width: 0; }
.adv-card .cn, .adv-card .en,
.about-text h2, .page-banner h1, .section-title .t1, .crumb,
.detail-info, .text-page h1, .product-card .info h3 { overflow-wrap: anywhere; }

@media (max-width: 1100px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .advantages-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 1024px) {
  .equipment-track .slide { flex: 0 0 240px; }
  .featured-grid, .news-grid { grid-template-columns: repeat(2, 1fr); }
  .list-grid { grid-template-columns: repeat(3, 1fr); }
  .products-flex { flex-direction: column; }
  .cat-sidebar { flex: none; }
  .about-flex { flex-direction: column; gap: 30px; }
  .about-img { flex: none; width: 100%; max-width: 520px; }
  .detail-flex { flex-direction: column; align-items: stretch; }
  .detail-img { flex: none; width: 100%; max-width: 480px; margin: 0 auto; }
  .detail-wrap { padding: 30px; }
  .main-nav ul { overflow-x: auto; flex-wrap: nowrap; }
  .main-nav > ul > li > a { padding: 14px 18px; white-space: nowrap; font-size: 13px; }
  .site-header .head-row { gap: 10px; }
  .site-header .logo { gap: 10px; }
  .site-header .logo img { height: 48px; }
  .site-header .logo .brand-name { font-size: 17px; letter-spacing: 0.5px; }
  .site-header .logo .brand-name small { font-size: 9px; letter-spacing: 1.5px; }
  .head-phone .num { font-size: 20px; letter-spacing: 0.5px; }
  .head-phone .label { font-size: 9px; letter-spacing: 1px; }
  .banner-overlay .copy { padding: 0 30px; max-width: 58%; }
  .banner-overlay .copy .head { font-size: 28px; }
  html:not([lang="zh"]) .banner-overlay .copy .head { font-size: 23px; }
  html:not([lang="zh"]) .banner-overlay .copy .eyebrow { letter-spacing: 2px; }
  .banner img { object-position: left center; }
  .inquiry-fab { display: block; }
}
@media (max-width: 760px) {
  /* Contact page: the two-column grid must collapse on phones/tablets */
  .contact-grid { grid-template-columns: 1fr; gap: 24px; padding: 36px 0; }
  .contact-info-card { padding: 26px; }
  .contact-info-card .item .lab { flex: 0 0 74px; }
  .contact-info-card .item { flex-wrap: wrap; gap: 2px 0; }
  .contact-info-card .item .val { overflow-wrap: anywhere; }
}
@media (max-width: 640px) {
  .featured-grid, .news-grid, .list-grid { grid-template-columns: 1fr; }
  .advantages-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .section-title { padding: 50px 0 24px; }
  .section-title .t1 { font-size: 22px; }
  .head-phone .num { font-size: 22px; }
  .head-phone .label { font-size: 10px; }
  .site-header .logo img { height: 44px; }
  .site-header .logo .brand-name { font-size: 18px; }
  .site-header .head-row { padding: 12px 0; }
  .about-text h2 { font-size: 24px; }
  .about-text .stats { gap: 16px; }
  .about-text .stats .item .num { font-size: 24px; }
  .page-banner { padding: 50px 0; }
  .page-banner h1 { font-size: 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .text-page .card, .detail-wrap { padding: 24px; }
  .text-page h1, .text-page .card h1 { font-size: 21px; letter-spacing: 1px; }
  .text-page h1 small, .text-page .card h1 small { font-size: 11px; letter-spacing: 3px; }
  .banner { max-height: none; background: linear-gradient(160deg, #0f2d52 0%, #1e4d8b 100%); }
  .banner img { display: none; }
  .banner-overlay { position: static; inset: auto; background: none; padding: 46px 0 42px; }
  .banner-overlay .copy { padding: 0 20px; max-width: 100%; }
  .banner-overlay .copy .head { font-size: 24px; letter-spacing: 1px; }
  html:not([lang="zh"]) .banner-overlay .copy .head { font-size: 22px; }
  .banner-overlay .copy .body { font-size: 13px; }
  .banner-overlay .copy .badges { margin-top: 16px; gap: 8px; }
  .banner-overlay .copy .badge { font-size: 10px; padding: 4px 10px; letter-spacing: 1px; }
  /* Mobile header: keep it on one clean row — the phone moves to the top bar */
  .site-header .head-row { gap: 10px; }
  .site-header .logo { gap: 9px; flex: 1 1 auto; }
  .site-header .logo img { height: 38px; }
  .site-header .logo .brand-name { font-size: 16px; letter-spacing: 0.2px; line-height: 1.25; }
  .site-header .logo .brand-name small { font-size: 8px; letter-spacing: 1px; margin-top: 2px; }
  .head-phone { display: none; }
  .topbar-phone { display: block; font-size: 11px; }
  .topbar a { margin: 0 5px; }
  .section-title .eyebrow { letter-spacing: 3px; padding: 0 18px; }
  .mobile-bottom-nav { display: block; }
  body { padding-bottom: 60px; }
  .container { padding: 0 12px; }
  .footer-qr { flex-direction: row; }
  .qr-card { flex: 1; }
}