:root {
  --black: #1D1D1F;
  --red: #EB002A;
  --white: #FFFFFF;
  --gray-50: #F5F5F7;
  --gray-100: #F0F0F2;
  --gray-200: #E5E5E5;
  --gray-300: #D4D4D4;
  --gray-400: #86868B;
  --gray-500: #6E6E73;
  --gray-600: #1D1D1F;
  --gray-700: #404040;
  --gray-800: #262626;
  --gray-900: #111111;
  --color-brand: var(--red);
  --color-brand-hover: #C40023;
  --color-surface: var(--white);
  --color-surface-muted: var(--gray-50);
  --color-border: var(--gray-200);
  --color-border-subtle: var(--gray-100);
  --color-text: var(--gray-900);
  --color-text-muted: var(--gray-500);
  --color-on-dark: var(--white);
  --color-on-dark-muted: #A1A1A6;
  --color-on-dark-subtle: rgba(255,255,255,0.75);
  --color-whatsapp: #25D366;
  --color-success: #1C6B3C;
  --color-success-surface: #EDF8F1;
  --color-success-border: #BDE5CA;
  --color-error: #9B1C1C;
  --color-error-surface: #FFF2F2;
  --color-error-border: #F1B8B8;
  --radius-control: 6px;
  --radius-card: 8px;
  --radius-panel: 12px;
  --radius-pill: 999px;
  --shadow-card: 0 8px 28px rgba(0,0,0,0.04);
  --shadow-card-hover: 0 12px 40px rgba(0,0,0,0.08);
  --shadow-panel: 0 12px 40px rgba(0,0,0,0.12), 0 4px 12px rgba(0,0,0,0.06);
  --shadow-float: 0 8px 32px rgba(0,0,0,0.15);
  --shadow-float-accent: 0 4px 16px rgba(235,0,42,.35);
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --layout-max: 1280px;
  --header-height: 64px;
  --font-en: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
  --font-zh: "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { overflow-y: scroll; scroll-behavior: smooth; }
body {
  font-family: var(--font-zh);
  background: var(--white);
  color: var(--gray-900);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
.en { font-family: var(--font-en); }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }

/* ===== Header ===== */
.header {
  position: fixed; top: 0; left: 0; right: 0;
  height: 64px;
  background: rgba(255,255,255,0.88);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  color: var(--gray-900);
  z-index: 100;
  border-bottom: 1px solid rgba(0,0,0,0.06);
}
.header-inner {
  max-width: 1280px; margin: 0 auto;
  display: flex; align-items: center;
  justify-content: space-between;
  padding: 0 32px; height: 64px;
}
.header-logo {
  display: flex; align-items: center; gap: 12px;
  font-weight: 700; font-size: 20px;
  letter-spacing: -0.3px;
}
.header-logo .logo-mark {
  width: 32px; height: 32px;
  background: var(--red); border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 800;
  color: var(--white);
}
.header-nav { display: flex; align-items: center; gap: 32px; }
.header-nav a {
  font-size: 14px; color: var(--gray-500);
  transition: color 0.2s; position: relative;
  padding: 4px 0;
}
.header-nav a:hover { color: var(--red); }
.header-nav a.active { color: var(--red); }
.header-nav a.active::after {
  content: ""; position: absolute; bottom: -2px; left: 0; right: 0;
  height: 2px; background: var(--red); border-radius: 1px;
}
.header-lang {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2px;
  width: 72px;
  height: 34px;
  padding: 0;
  box-sizing: border-box;
  border: 1px solid var(--gray-200);
  border-radius: 6px;
  font-size: 13px;
  transition: all 0.2s;
}
.header-lang:hover { border-color: var(--gray-400); }
.header-lang .active-lang,
.header-lang a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  padding: 0;
  margin: 0;
  font-size: 13px;
  line-height: 1;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s;
}

/* Lock mixed-language font for nav */
.header { font-family: var(--font-en); }
.header-nav a,
.header-nav-link,
.header-lang,
.header-lang .active-lang,
.header-lang a,
.header-lang .sep {
  font-family: inherit;
}

.header .header-lang {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Hiragino Sans GB", sans-serif;
  font-variant-numeric: tabular-nums;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
.header-lang .active-lang {
  color: var(--red);
  font-weight: 700;
  cursor: default;
}
.header-lang a {
  color: var(--gray-500);
  font-weight: 500;
}
.header-lang a:hover { color: var(--red); }
.header-lang .sep {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 8px;
  color: var(--gray-400);
  font-size: 11px;
  line-height: 1;
  margin: 0;
  padding: 0;
  user-select: none;
}
.header-lang .active-lang,
.header-lang a,
.header-lang .sep {
  font-size: 13px !important;
  line-height: 1 !important;
  letter-spacing: normal;
  word-spacing: normal;
  text-rendering: geometricPrecision;
}

.mobile-menu-btn { display: none; background: none; border: none; color: var(--color-text); cursor: pointer; padding: 8px; }

/* ===== Hero ===== */
.hero {
  margin-top: 64px;
  color: var(--white);
  position: relative; overflow: hidden;
  min-height: 85vh;
  display: flex; align-items: center;
}
.hero-inner {
  max-width: 1280px; margin: 0 auto;
  padding: 80px 32px; position: relative; z-index: 1;
  width: 100%;
}
.hero-tag {
  display: inline-block;
  padding: 6px 14px; border: 1px solid var(--color-brand);
  border-radius: var(--radius-pill); font-size: 12px; font-weight: 600;
  color: var(--red); letter-spacing: 1px; text-transform: uppercase;
  margin-bottom: 24px;
}
.hero h1, .hero h2 {
  font-family: var(--font-en);
  font-size: clamp(48px, 6vw, 80px);
  font-weight: 800; line-height: 1.05;
  letter-spacing: -2px; margin-bottom: 20px;
  max-width: 680px;
}
.hero h1 .highlight, .hero h2 .highlight { color: var(--red); }
.hero p {
  font-size: 18px; color: var(--gray-400);
  max-width: 520px; margin-bottom: 40px;
  line-height: 1.7;
}
.hero-actions { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 32px; border-radius: var(--radius-card);
  font-weight: 600; font-size: 15px;
  cursor: pointer; transition: all 0.25s;
  border: none; font-family: inherit;
}
.btn-primary { background: var(--color-brand); color: var(--color-on-dark); }
.btn-primary:hover { background: var(--color-brand-hover); transform: translateY(-1px); }
.btn-outline { background: transparent; color: var(--color-on-dark); border: 1px solid var(--gray-600); }
.btn-outline:hover { border-color: var(--color-brand); color: var(--color-brand); }

/* ===== Section Common ===== */
/* ===== Hero Carousel ===== */
.hero { background: var(--black); }
.hero-carousel { position: absolute; inset: 0; display: flex; overflow-x: auto; scroll-snap-type: x mandatory; scroll-behavior: smooth; -webkit-overflow-scrolling: touch; }
.hero-carousel::-webkit-scrollbar { display: none; }
.hero-carousel img { width: 100%; height: 100%; object-fit: cover; flex-shrink: 0; scroll-snap-align: start; }
.hero-carousel picture { width: 100%; height: 100%; flex-shrink: 0; scroll-snap-align: start; display: block; }
.hero-carousel picture img { width: 100%; height: 100%; object-fit: cover; }
.hero-carousel picture { width: 100%; height: 100%; flex-shrink: 0; scroll-snap-align: start; display: block; position: relative; }
.hero-carousel picture::after { content: ""; position: absolute; inset: 0; background: rgba(0,0,0,0.45); z-index: 1; pointer-events: none; }
.hero-dots { position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%); display: flex; gap: 10px; z-index: 2; }
.hero-dots button { width: 10px; height: 10px; border-radius: 50%; border: 2px solid rgba(255,255,255,0.5); background: transparent; cursor: pointer; transition: all 0.3s; padding: 0; }
.hero-dots button.active { background: var(--red); border-color: var(--red); width: 28px; border-radius: 5px; }

.section { padding: 100px 32px; }
.section-inner { max-width: 1280px; margin: 0 auto; }
.section-label {
  font-family: var(--font-en);
  font-size: 12px; font-weight: 600; letter-spacing: 2px;
  color: var(--red); text-transform: uppercase; margin-bottom: 12px;
}
.section-title {
  font-size: clamp(32px, 3.5vw, 44px);
  font-weight: 700; line-height: 1.2;
  margin-bottom: 16px;
}
.section-desc {
  font-size: 16px; color: var(--gray-500);
  max-width: 560px; margin-bottom: 48px;
  line-height: 1.7;
}
.section-header { margin-bottom: 48px; }

/* ===== 产品中心 Grid ===== */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.product-card {
  background: var(--gray-50);
  border-radius: var(--radius-card); overflow: hidden;
  transition: all 0.3s; cursor: pointer;
  border: 1px solid var(--gray-100);
}
.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--gray-200);
}
.product-card-image { background: var(--white); }
.product-card-image .placeholder-icon {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  font-size: 56px; opacity: 0.12; color: var(--gray-900);
  position: absolute;
}
.product-card-image svg { width: 70%; height: 70%; object-fit: contain; }
.product-card-body { padding: 20px 24px 24px; }
.product-card-body h3 {
  font-size: 16px; font-weight: 600; margin-bottom: 6px;
}
.product-card-body .product-meta {
  font-size: 13px; color: var(--gray-500);
  font-family: var(--font-en);
}
.product-card .badge-new {
  position: absolute; top: 16px; right: 16px;
  padding: 4px 10px; border-radius: 4px;
  background: var(--red); color: var(--white);
  font-size: 11px; font-weight: 700; letter-spacing: 0.5px;
}
.product-card .category-tag {
  position: absolute; top: 16px; left: 16px;
  padding: 4px 10px; border-radius: 4px;
  background: var(--black); color: var(--white);
  font-size: 11px; font-weight: 600;
}

/* ===== 电动工具 Section ===== */
.power-tools { background: var(--gray-50); }
.power-tools .section-desc { color: var(--gray-500); }
.power-tools .product-card { background: var(--white); border-color: var(--gray-100); }
.power-tools .product-card:hover { border-color: var(--color-brand); box-shadow: var(--shadow-card-hover); }
.power-tools .product-card-body h3 { color: var(--gray-900); }
.power-tools .product-card-image { background: var(--gray-50); }
.power-tools .product-card-image .placeholder-icon { opacity: 0.08; }

/* ===== Hand Tools ===== */









/* ===== About Section ===== */
.about-section { background: var(--gray-50); }
.about-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-text .stat-row { display: flex; gap: 40px; margin-top: 32px; }
.about-text .stat { text-align: center; }
.about-text .stat-number { font-size: 28px; font-weight: 700; font-family: var(--font-en); color: var(--red); }
.about-text .stat-label { font-size: 13px; color: var(--gray-500); margin-top: 4px; }
.about-visual { aspect-ratio: 4/3; background: var(--gray-200); border-radius: var(--radius-panel); overflow: hidden; position: relative; }
.about-visual .placeholder {
  position: absolute; inset: 0; 
  background: linear-gradient(135deg, var(--gray-900) 0%, var(--gray-700) 50%, var(--gray-800) 100%);
  display: flex; align-items: center; justify-content: center;
}
.about-visual .placeholder-text { color: var(--gray-400); font-size: 14px; letter-spacing: 2px; }

/* ===== Partners Marquee ===== */
.partners-section { background: var(--white); overflow: hidden; }
.partners-track { display: flex; gap: 3.5rem; align-items: center; animation: marquee 80s linear infinite; width: max-content; padding: 20px 0; }
.partners-track:hover { animation-play-state: paused; }
.partners-track .partner-item { flex: 0 0 auto; min-width: 96px; height: 48px; display: flex; align-items: center; justify-content: center; padding: 0 4px; transition: all 0.35s ease; }
.partners-track .partner-item img { width: auto; height: 42px; max-width: 240px; object-fit: contain; display: block; filter: grayscale(1); opacity: 0.65; transition: all 0.35s ease; }
.partners-track .partner-item .placeheld { height: 36px; display: flex; align-items: center; justify-content: center; padding: 0 20px; background: var(--gray-200); border-radius: var(--radius-control); font-size: 13px; font-weight: 600; color: var(--gray-400); letter-spacing: 0.5px; white-space: nowrap; filter: grayscale(1); opacity: 0.55; transition: all 0.35s ease; }
.partners-track .partner-item:hover img,
.partners-track .partner-item:hover .placeheld { filter: grayscale(0); opacity: 1; transform: scale(1.05); }
@keyframes marquee { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }
@media (max-width: 768px) { .partners-track { gap: 2.5rem; } .partners-track .partner-item { min-width: 76px; height: 40px; } .partners-track .partner-item img { height: 34px; max-width: 180px; } .partners-track .partner-item .placeheld { height: 28px; padding: 0 14px; font-size: 11px; } }

/* ===== Footer ===== */
.footer { background: var(--black); color: var(--gray-400); padding: 60px 32px 32px; }
.footer-inner { max-width: 1280px; margin: 0 auto; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 48px; }
.footer-brand .footer-logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 18px; margin-bottom: 12px; }
.footer-brand .footer-logo .logo-mark { width: 28px; height: 28px; background: var(--red); border-radius: 5px; display: flex; align-items: center; justify-content: center; font-size: 12px; color: var(--white); }
.footer-brand p { font-size: 14px; color: var(--gray-500); max-width: 320px; line-height: 1.7; }
.footer-col h5, .footer-col .footer-heading { font-size: 13px; font-weight: 600; color: var(--gray-500); margin-bottom: 16px; letter-spacing: 1px; }
.footer-col a { display: block; font-size: 14px; color: var(--color-on-dark-muted); margin-bottom: 10px; transition: color 0.2s; }
.footer-col a:hover { color: var(--color-on-dark); }
.footer-bottom { border-top: 1px solid var(--gray-800); padding-top: 24px; display: flex; justify-content: space-between; font-size: 13px; color: var(--gray-500); }

/* Catalog actions */
.catalog-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 20px; padding-bottom: 40px; }
.catalog-action { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 12px 28px; border-radius: var(--radius-control); color: var(--color-on-dark); text-decoration: none; font-size: 14px; font-weight: 600; transition: background-color .2s ease, transform .2s ease; }
.catalog-action:hover { transform: translateY(-1px); }
.catalog-action-primary { background: var(--color-brand); }
.catalog-action-primary:hover { background: var(--color-brand-hover); }
.catalog-action-secondary { background: var(--gray-900); }
.catalog-action-secondary:hover { background: var(--gray-700); }
.catalog-action:focus-visible { outline: 2px solid var(--color-brand); outline-offset: 3px; }
@media (max-width: 480px) {
  .catalog-actions { flex-direction: column; align-items: stretch; width: min(100%, 320px); margin-left: auto; margin-right: auto; }
  .catalog-action { width: 100%; }
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .header-nav { display: none; }
  .mobile-menu-btn { display: block; }
  .hero-inner { padding: 60px 24px; }
  .hero h1 { font-size: 36px; }
  .section { padding: 60px 24px; }
  .products-grid { grid-template-columns: 1fr 1fr; }
  
  .about-layout { grid-template-columns: 1fr; gap: 32px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .about-text .stat-row { gap: 24px; }
}
@media (max-width: 480px) {
 .products-grid { grid-template-columns: 1fr; }
 .hero h1 { font-size: 28px; }
 .footer-grid { grid-template-columns: 1fr; }
}

/* ===== Mega Menu ===== */
.mega-group { position: relative; }
.mega-dropdown,
.about-dropdown { position: absolute; top: 100%; padding-top: 16px; opacity: 0; visibility: hidden; transition: all 0.25s ease; pointer-events: none; }
.mega-group:hover > .mega-dropdown,
.mega-group:hover > .about-dropdown { opacity: 1; visibility: visible; pointer-events: auto; }
.mega-group:focus-within > .mega-dropdown,
.mega-group:focus-within > .about-dropdown { opacity: 1; visibility: visible; pointer-events: auto; }
.mega-dropdown { left: 50%; transform: translateX(-50%); }
.about-dropdown { left: 50%; transform: translateX(-50%); }
.mega-dropdown-inner { background: var(--color-surface); border-radius: var(--radius-panel); box-shadow: var(--shadow-panel); border: 1px solid var(--color-border-subtle); overflow: hidden; }
.mega-cat { cursor: pointer; }
.mega-cat .arrow, .mega-cat .nav-arrow { opacity: 0; transition: opacity 0.2s; }
.mega-cat:hover .arrow, .mega-cat:hover .nav-arrow, .mega-cat:focus-visible .nav-arrow { opacity: 1; }

/* Shared site chrome */
.header-logo { gap: var(--space-4); }
.header-logo img#brand-logo { width: auto; height: 32px; display: block; }
.brand-name { color: var(--gray-500); font-size: 13px; font-weight: 400; letter-spacing: .5px; border-left: 1px solid var(--gray-600); padding-left: var(--space-4); }
.header-actions { display: flex; align-items: center; gap: var(--space-4); }
.mega-dropdown { min-width: 580px; }
.mega-container { display: flex; min-height: 288px; }
.mega-categories { width: 192px; flex: 0 0 192px; padding: var(--space-4) 0; border-right: 1px solid var(--gray-100); }
.mega-cat { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); min-height: 44px; padding: 10px var(--space-4); color: var(--gray-800); font-size: 14px; font-weight: 600; }
.mega-cat:hover, .mega-cat:focus-visible, .mega-cat.is-active { color: var(--red); background: var(--gray-50); outline: none; }
.mega-cat .nav-arrow { flex: 0 0 auto; color: var(--gray-400); }
.mega-panels { position: relative; flex: 1; min-width: 0; min-height: 288px; }
.mega-panel { position: absolute; inset: 0; padding: 20px; transition: opacity .2s ease, visibility .2s ease; }
.mega-panel-label { margin-bottom: 12px; color: var(--gray-400); font: 700 11px/1.2 var(--font-en); letter-spacing: .12em; text-transform: uppercase; }
.mega-panel a, .about-dropdown a { display: block; padding: 7px 0; color: var(--gray-700); font-size: 14px; line-height: 1.35; transition: color .2s ease; }
.mega-panel a:hover, .about-dropdown a:hover { color: var(--red); }
.about-dropdown { min-width: 220px; }
.about-dropdown .mega-dropdown-inner { padding: var(--space-4) 20px; }
.mega-cat:focus-visible, .mega-panel a:focus-visible, .about-dropdown a:focus-visible { outline: 2px solid var(--red); outline-offset: 2px; }
.footer-logo img#footer-logo { width: auto; height: 28px; display: block; }
.footer-logo .brand-name { font-size: 14px; padding-left: 14px; }
.float-icon { display: inline-flex; align-items: center; justify-content: center; width: 20px; height: 20px; border-radius: 4px; background: var(--color-whatsapp); color: var(--white); font: 700 9px/1 var(--font-en); }

/* Shared catalog layout */
.catalog-page { margin-top: var(--header-height); background: var(--color-surface); }
.catalog-section { padding-top: var(--space-8); padding-bottom: 96px; }
.catalog-page .section-header { max-width: 760px; margin-bottom: 40px; }
.catalog-page .section-title { margin-bottom: 12px; }
.catalog-page .category-model-directory { gap: 0; margin-top: 0; }
.catalog-page .model-cards { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--space-5); }
.catalog-page .model-card { min-width: 0; }
.catalog-page .model-card-media { aspect-ratio: 4 / 3; }
.catalog-page .model-card-title { overflow-wrap: anywhere; }
.catalog-page .hand-tools-model-directory { gap: var(--space-8); margin-top: var(--space-4); }
.catalog-page .hand-tools-category-block { padding-top: var(--space-2); }
.catalog-page .hand-tools-category-block .catalog-subheading { padding: 0 0 14px; border-bottom: 1px solid var(--gray-200); }
.catalog-page .hand-tools-category-block .catalog-subheading h3 { font-size: 22px; }
.catalog-page .hand-tools-category-block .category-models { padding: 24px 0 20px; border-bottom: 1px solid var(--gray-100); }
.catalog-page .hand-tools-category-block .category-models-intro h3,
.catalog-page .hand-tools-category-block .category-models-intro h4 { font-size: 16px; }
.catalog-page-power .category-model-directory { gap: 0; }
.catalog-page-power .category-models { padding: 24px 0 28px; border-bottom: 1px solid var(--gray-100); }
.catalog-page-power .category-models-intro { margin-bottom: 18px; }
.catalog-page [data-model-group][hidden] { display: none !important; }
.catalog-page .category-models-collapsible + .category-models-collapsible { border-top: 0; }
.catalog-page .category-models-collapsible > summary { min-height: 64px; padding: 16px 2px; }
.catalog-page .category-models-collapsible > .model-cards { padding: 4px 0 24px; }
.catalog-page .category-models-count { font-size: 12px; }
@media (max-width: 1100px) {
  .catalog-page .model-cards { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 768px) {
  .mega-dropdown { min-width: 0; }
  .header-actions { gap: var(--space-2); }
  .brand-name { display: none; }
  .catalog-section { padding-top: 56px; padding-bottom: 72px; }
  .catalog-page .model-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-4); }
  .catalog-page .hand-tools-model-directory { gap: 48px; }
  .catalog-page .hand-tools-category-block .catalog-subheading h3 { font-size: 20px; }
}
@media (max-width: 420px) {
  .catalog-page .model-cards { grid-template-columns: 1fr; }
}


/* ===== Light Theme Overrides ===== */
.product-card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  transition: all 0.35s ease;
}
.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--gray-200);
}
.product-card-link {
  display: block;
  height: 100%;
  color: inherit;
  text-decoration: none;
}
.product-card-link:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: -2px;
}
.product-card-image {
  background: var(--gray-50);
  border-radius: var(--radius-card) var(--radius-card) 0 0;
  overflow: hidden;
}
.product-card-image img {
  border-bottom: 1px solid var(--gray-100);
}
.about-section { background: var(--gray-50); }
.section.hand-tools { background: var(--white); }



/* ===== Power Tools Bento Grid ===== */
.power-tools .section-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.power-tools .products-grid {
  display: grid !important;
  grid-template-columns: repeat(12, 1fr) !important;
  gap: 10px !important;
  max-width: 1200px;
  margin: 1.5rem auto 0;
}
.power-tools .product-card {
  border: none !important;
  border-radius: 10px !important;
  overflow: hidden;
  position: relative;
  background: var(--gray-50);
  box-shadow: none !important;
}
.power-tools .product-card:hover {
  transform: none !important;
  box-shadow: none !important;
}
.power-tools .product-card:nth-child(1),
.power-tools .product-card:nth-child(2) {
  grid-column: span 6 !important;
  height: 320px;
}
.power-tools .product-card:nth-child(3),
.power-tools .product-card:nth-child(4),
.power-tools .product-card:nth-child(5) {
  grid-column: span 4 !important;
  height: 240px;
}
.power-tools .product-card-image {
  width: 100%;
  height: 100%;
  position: relative;
  overflow: hidden;
}
.power-tools .product-card-image .aspect-square {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.power-tools .product-card-image .aspect-square img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 0.5s ease-in-out;
}
.power-tools .product-card-image .product-card-body {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 16px;
  z-index: 20;
  background: none;
}
.power-tools .product-card-image .product-card-body h3 {
  color: var(--color-on-dark);
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 2px;
}
.power-tools .product-card-image .product-card-body .product-meta {
  color: var(--color-on-dark-subtle);
  font-size: 12px;
}
.power-tools .badge-new {
  z-index: 25;
}
/* Tablet <=1024px */
@media (max-width: 1024px) {
  .power-tools .products-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 16px !important;
  }
  .power-tools .product-card:nth-child(1),
  .power-tools .product-card:nth-child(2) {
    grid-column: span 1 !important;
    height: 260px;
  }
  .power-tools .product-card:nth-child(3),
  .power-tools .product-card:nth-child(4) {
    grid-column: span 1 !important;
    height: 240px;
  }
  .power-tools .product-card:nth-child(5) {
    grid-column: span 2 !important;
    height: 200px;
  }
}
/* Mobile <=767px */
@media (max-width: 767px) {
  .power-tools .products-grid {
    grid-template-columns: 1fr !important;
    gap: 12px !important;
  }
  .power-tools .product-card:nth-child(1),
  .power-tools .product-card:nth-child(2),
  .power-tools .product-card:nth-child(3),
  .power-tools .product-card:nth-child(4),
  .power-tools .product-card:nth-child(5) {
    grid-column: span 1 !important;
    height: auto;
  }
  .power-tools .product-card-image .aspect-square {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
  }
  .power-tools .product-card-image .aspect-square img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
}

/* ===== Hand Tools Bento Grid ===== */
.hand-tools .products-grid {
  display: grid !important;
  grid-template-columns: repeat(3, 1fr) !important;
  gap: 8px !important;
}
.hand-tools .product-card {
  border: none !important;
  border-radius: 8px !important;
  overflow: hidden;
  background: var(--gray-50);
  box-shadow: none !important;
}
.hand-tools .product-card:hover {
  transform: none !important;
  box-shadow: none !important;
}
.hand-tools .product-card-image {
  position: relative;
  overflow: hidden;
}
.hand-tools .product-card-image .aspect-square {
  position: relative;
  width: 100%;
  padding-bottom: 100%;
  height: 0;
}
.hand-tools .product-card-image .aspect-square img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 0.5s ease-in-out;
}
.hand-tools .product-card-image .product-card-body {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 14px;
  z-index: 20;
  background: none;
}
.hand-tools .product-card-image .product-card-body h3 {
  color: var(--color-on-dark);
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 2px;
}
.hand-tools .product-card-image .product-card-body .product-meta {
  color: var(--color-on-dark-subtle);
  font-size: 11px;
}
.hand-tools .badge-new {
  z-index: 25;
}
 @media (max-width: 768px) {
  .hand-tools .products-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }
  .hand-tools .product-card-image .aspect-square {
    padding-bottom: 100%;
  }
}
/* Mobile header fixes */
 @media (max-width: 768px) {
  .header-logo > span { display: none; }
  .header-inner { padding: 0 16px; }
}
/* ============================================ */
/* 综合响应式优化（覆盖并补充现有零散断点）     */
/* 内容驱动断点：在布局开始拥挤处切换           */
/* 原则：少用固定 px，多用流式单位             */
/* ============================================ */

/* --- 平板端临界点：导航栏菜单开始紧凑、底部 4 列撑不开 --- */
@media (max-width: 1024px) {
  .hero h1 { font-size: clamp(36px, 5vw, 60px); }
  .hero-dots { bottom: 32px; }
  .section { padding: 80px 28px; }
  .footer-grid {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 32px;
  }
  .about-layout { gap: 40px; }
  .about-text .stat-row { gap: 32px; }
}

/* --- 手机端临界点：两栏网格 + 导航折叠、间距统一收紧 --- */
@media (max-width: 768px) {
  .header-logo { gap: 8px; }
  .header-logo span { display: none; }
  .header-inner { padding: 0 16px; }

  .hero-inner { padding: 60px 20px; }
  .hero h1 { font-size: 34px; }
  .hero p { font-size: 16px; margin-bottom: 28px; }
  .hero-tag { font-size: 11px; padding: 5px 12px; margin-bottom: 16px; }
  .hero-dots { bottom: 24px; gap: 8px; }
  .hero-dots button { width: 8px; height: 8px; }
  .hero-dots button.active { width: 22px; border-radius: 4px; }
  .btn { padding: 12px 24px; font-size: 14px; }

  .section { padding: 60px 20px; }
  .section-title { font-size: clamp(24px, 5vw, 30px); }
  .section-desc { font-size: 15px; margin-bottom: 32px; }
  .section-header { margin-bottom: 32px; }
  .products-grid { gap: 16px; }

  .footer { padding: 48px 20px 24px; }
  .footer-grid { gap: 24px; }
  .footer-col { min-width: 160px; }

  .about-text .stat-number { font-size: 24px; }
  .about-text .stat-label { font-size: 12px; }

  .partners-track { gap: 2rem; }
  .partners-section { padding: 32px 20px !important; }
}

/* --- 小屏手机临界点：单列 + 最小间距 --- */
@media (max-width: 480px) {
  .hero h1 { font-size: 28px; }
  .hero-inner { padding: 48px 16px; }
  .hero p { font-size: 15px; margin-bottom: 24px; }
  .btn { padding: 10px 20px; font-size: 13px; }
  .section { padding: 48px 16px; }
  .section-title { font-size: clamp(20px, 6vw, 26px); }
  .section-desc { font-size: 14px; margin-bottom: 24px; }
  .footer { padding: 40px 16px 20px; }
  .footer-grid { gap: 16px; }
  .about-visual { aspect-ratio: 3/2; }
  .about-text .stat-row { gap: 16px; }
  .about-text .stat-number { font-size: 20px; }
}

/* ===== Hero slide content + progress (P1-3) ===== */
.hero-inner { position: absolute; inset: 0; z-index: 4; display: flex; align-items: center; pointer-events: none; }
.hero-slide-content { position: absolute; max-width: 1280px; margin: 0 auto; padding: 80px 32px; width: 100%; left: 0; right: 0; opacity: 0; transform: translateY(16px); transition: opacity .5s ease, transform .5s ease; pointer-events: none; }
.hero-slide-content.active { opacity: 1; transform: none; pointer-events: none; }
.hero-slide-content.active .hero-tag,
.hero-slide-content.active h1,
.hero-slide-content.active h2,
.hero-slide-content.active p,
.hero-slide-content.active .hero-actions { pointer-events: auto; }
.hero-progress { position: absolute; bottom: 0; left: 0; right: 0; height: 3px; background: rgba(255,255,255,.15); z-index: 3; }
.hero-progress-bar { height: 100%; width: 0; background: var(--red); }
@media (prefers-reduced-motion: reduce) {
  .hero-slide-content { transition: none; }
  .hero-progress-bar { transition: none !important; }
}
@media (max-width: 768px) {
  .hero-slide-content { padding: 60px 20px; }
}
@media (max-width: 480px) {
  .hero-slide-content { padding: 48px 16px; }
}

/* ===== P1-4: Header CTA + Float + Inquiry Form ===== */
.btn-header-cta { padding: 8px 20px; font-size: 13px; border-radius: 6px; white-space: nowrap; }
@media (max-width: 768px) { .btn-header-cta { display: none; } }

.float-contact { position: fixed; bottom: 24px; right: 24px; z-index: 90; opacity: 0; transform: translateY(20px); transition: opacity .3s, transform .3s; pointer-events: none; }
.float-contact.visible { opacity: 1; transform: none; pointer-events: auto; }
.float-toggle { width: 52px; height: 52px; border-radius: var(--radius-pill); background: var(--color-brand); color: var(--color-on-dark); border: none; cursor: pointer; display: flex; align-items: center; justify-content: center; box-shadow: var(--shadow-float-accent); transition: transform .2s; }
.float-toggle:hover { transform: scale(1.08); }
.float-panel { position: absolute; bottom: 62px; right: 0; background: var(--color-surface); border-radius: var(--radius-panel); box-shadow: var(--shadow-float); padding: 8px; display: flex; flex-direction: column; gap: 4px; min-width: 160px; opacity: 0; transform: translateY(8px) scale(.95); transition: all .25s; pointer-events: none; }
.float-contact.open .float-panel { opacity: 1; transform: none; pointer-events: auto; }
.float-item { display: flex; align-items: center; gap: 10px; padding: 10px 14px; border-radius: var(--radius-card); font-size: 14px; font-weight: 500; color: var(--gray-700); text-decoration: none; border: none; background: none; cursor: pointer; transition: background .15s; width: 100%; text-align: left; }
.float-item:hover { background: var(--gray-50); }
.float-wa svg { color: var(--color-whatsapp); }

.inquiry-section { background: var(--gray-50); }
.inquiry-form { max-width: 680px; margin: 0 auto; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.form-group label { font-size: 13px; font-weight: 600; color: var(--gray-700); }
.form-group input, .form-group select, .form-group textarea { padding: 12px 14px; border: 1px solid var(--color-border); border-radius: var(--radius-control); font-size: 14px; font-family: inherit; background: var(--color-surface); transition: border-color .2s; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--red); }
.btn-submit { width: 100%; justify-content: center; margin-top: 8px; }
@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }

/* Contact page hierarchy */
.contact-page .contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 680px);
  justify-content: center;
  gap: var(--space-7);
  max-width: 680px;
  margin: 0 auto;
}
.contact-page .contact-info,
.contact-page .contact-form { width: 100%; }
.contact-page .contact-form { max-width: none; margin: 0; }
.contact-page .contact-block-title { margin: 0 0 14px; font-size: 20px; line-height: 1.3; font-weight: 700; }
.contact-page .contact-hours-title { margin-top: 30px; }
.contact-page .contact-detail-list { margin: 0; color: var(--gray-500); line-height: 1.85; }
.contact-page .contact-hours { margin: 0; color: var(--gray-500); line-height: 1.75; }
.contact-page .contact-form-row { margin-bottom: 16px; }
.contact-page .form-group { margin-bottom: 18px; gap: 7px; }
.contact-page .form-group label { font-size: 14px; line-height: 1.35; color: var(--gray-700); }
.contact-page .form-group input,
.contact-page .form-group select,
.contact-page .form-group textarea { min-height: 48px; padding: 12px 14px; border-radius: var(--radius-control); font-size: 15px; }
.contact-page .form-group textarea { min-height: 148px; resize: vertical; }
.contact-page .contact-submit { width: 100%; min-height: 48px; justify-content: center; }
.contact-page .contact-submit[disabled] { opacity: .7; cursor: wait; }
.contact-page .form-status { margin: 12px 0 0; padding: 10px 12px; border: 1px solid transparent; border-radius: var(--radius-control); font-size: 14px; line-height: 1.5; }
.contact-page .form-status-loading { background: var(--gray-50); color: var(--gray-600); }
.contact-page .form-status-success { background: var(--color-success-surface); border-color: var(--color-success-border); color: var(--color-success); }
.contact-page .form-status-error { background: var(--color-error-surface); border-color: var(--color-error-border); color: var(--color-error); }

.product-card-body .inquire-link { display: inline-block; margin-top: 8px; font-size: 13px; font-weight: 500; color: var(--color-on-dark); text-decoration: none; border-bottom: 1px solid var(--color-on-dark-subtle); padding-bottom: 2px; transition: border-color .2s, opacity .2s; letter-spacing: .3px; }
.product-card-body .inquire-link:hover { border-color: var(--color-on-dark); opacity: .85; }
/* 锚点跳转时避开固定页头（header 高 64px） */
[id] { scroll-margin-top: 88px; }

/* footer �еķ������ı�����ַ�ȣ����Ű��� .footer-col a ����һ�� */
.footer-col .footer-text { display: block; font-size: 14px; color: var(--color-on-dark-muted); margin-bottom: 10px; }

/* ==== HERO CLIP-PATH REVEAL v1 START ==== */
.hero-carousel{ display:block; overflow:hidden; }
.hero-carousel picture{
  position:absolute; inset:0; width:100%; height:100%;
  scroll-snap-align:none;
  clip-path:inset(0 0 0 0); will-change:clip-path; z-index:1;
}
.hero-carousel picture.is-current{ z-index:2; }
.hero-carousel picture.is-entering{ z-index:3; }
.hero-slide-content{ transform:none; transition:opacity .05s linear; }
@media (prefers-reduced-motion: reduce){
  .hero-carousel picture{ transition:none !important; }
}
/* ==== HERO CLIP-PATH REVEAL v1 END ==== */

/* ==== SCROLL REVEAL START ==== */
.js .reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease, transform .7s cubic-bezier(.22,.9,.3,1);will-change:opacity,transform}
.js .reveal.is-visible{opacity:1;transform:none}
.js .reveal[data-delay="1"]{transition-delay:.08s}
.js .reveal[data-delay="2"]{transition-delay:.16s}
.js .reveal[data-delay="3"]{transition-delay:.24s}
.js .reveal[data-delay="4"]{transition-delay:.32s}
@media(prefers-reduced-motion:reduce){ .js .reveal{opacity:1;transform:none;transition:none} }
/* ==== SCROLL REVEAL END ==== */

/* ==== HERO TEXT-SHADOW v1 START ==== */
.hero-tag, .hero h1, .hero h2, .hero h1 .highlight, .hero h2 .highlight, .hero p{ text-shadow:0 2px 12px rgba(0,0,0,0.6), 0 1px 3px rgba(0,0,0,0.8); }
/* ==== HERO TEXT-SHADOW v1 END ==== */

.hero-slide-content.reveal-pending .hero-tag,
.hero-slide-content.reveal-pending h1,
.hero-slide-content.reveal-pending h2,
.hero-slide-content.reveal-pending p,
.hero-slide-content.reveal-pending .hero-actions{opacity:0}

/* ==== HOME V10 PRODUCT LAYOUT START ==== */
.v10-cat{margin-bottom:40px}
.v10-feat-head{display:flex;align-items:baseline;gap:12px;margin-bottom:14px}
.v10-feat-head .zh{font-weight:900;font-size:24px;line-height:1.1}
.v10-feat-head .en{font-weight:600;font-size:16px;color:#8A8A84}
.v10-feat-head .v10-badge{margin-left:auto;font-weight:700;font-size:10px;letter-spacing:.12em;color:var(--color-on-dark);background:var(--color-brand);padding:4px 10px;border-radius:var(--radius-control);text-transform:uppercase}
.v10-grid{display:grid;gap:18px;margin-bottom:18px}
.v10-vlabel{position:absolute;left:12px;top:12px;background:var(--color-text);color:var(--color-on-dark);font-weight:700;font-size:12px;letter-spacing:.04em;padding:3px 10px;border-radius:var(--radius-control);z-index:11}
@media(max-width:768px){ .v10-grid{grid-template-columns:repeat(2,1fr)!important} }
@media(max-width:480px){ .v10-grid{grid-template-columns:1fr!important} }
/* ==== HOME V10 PRODUCT LAYOUT END ==== */

/* ==== HOME V10 POWER GRID START ==== */
.v10-power-row{display:grid;gap:18px;margin-bottom:18px}
.v10-power-row.cols-2{grid-template-columns:repeat(2,1fr)}
.v10-power-row.cols-3{grid-template-columns:repeat(3,1fr)}
.power-tools .v10-power-row .product-card{grid-column:auto!important}
.power-tools .v10-power-row.cols-2 .product-card{height:320px}
.power-tools .v10-power-row.cols-3 .product-card{height:240px}
@media(max-width:768px){.v10-power-row{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.v10-power-row{grid-template-columns:1fr}}
@media(max-width:767px){.power-tools .v10-power-row.cols-2 .product-card,.power-tools .v10-power-row.cols-3 .product-card{height:auto}}
/* ==== HOME V10 POWER GRID END ==== */

/* ==== HOME V10 POWER CARD SQUARE START ==== */
.v10-power-row .product-card{aspect-ratio:1/1!important;height:auto!important}
.v10-power-row .product-card .product-card-image,
.v10-power-row .product-card .aspect-square{height:100%!important}
@media(max-width:767px){.v10-power-row .product-card .aspect-square{padding-bottom:0}}
/* ==== HOME V10 POWER CARD SQUARE END ==== */

/* ==== ABOUT PAGE START ==== */
.ab-dark{background:var(--black)}
.ab-dark .section-title{color:var(--white)}
.ab-dark .section-desc{color:var(--gray-400)}
.ab-about-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.ab-factory-ph{background:var(--gray-100);border-radius:var(--radius-panel);aspect-ratio:4/3;display:flex;align-items:center;justify-content:center}
.ab-factory-ph span{color:var(--gray-400);font-size:14px;letter-spacing:1px}
.ab-stats{display:grid;grid-template-columns:repeat(6,1fr);gap:24px;text-align:center}
.ab-stat .n{font-family:var(--font-en);font-size:40px;font-weight:800;color:var(--red);line-height:1.15}
.ab-stat .l{font-size:13px;color:var(--gray-500);margin-top:6px}
.ab-cul-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.ab-cul-card{background:var(--gray-800);border:1px solid var(--gray-700);border-radius:var(--radius-panel);padding:32px 28px;color:var(--gray-300)}
.ab-cul-card .k{font-family:var(--font-en);font-size:12px;font-weight:600;letter-spacing:2px;text-transform:uppercase;color:var(--red);margin-bottom:10px}
.ab-cul-card h3{font-size:20px;font-weight:700;color:var(--color-on-dark);margin-bottom:12px}
.ab-cul-card p{font-size:14px;line-height:1.8}
.ab-cul-card .zh{font-size:13px;color:var(--gray-400);margin-top:10px}
.ab-spirit{background:var(--color-brand);color:var(--color-on-dark);border-radius:var(--radius-panel);padding:24px 30px;margin-top:28px;display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.ab-spirit .lbl{font-family:var(--font-en);font-size:12px;font-weight:600;letter-spacing:2px;text-transform:uppercase;opacity:.85}
.ab-spirit .val{font-size:22px;font-weight:800;letter-spacing:.04em}
.ab-spirit .en{font-size:13px;opacity:.8}
.ab-timeline{margin-top:8px}
.ab-tl-row{display:grid;grid-template-columns:110px 1fr;gap:28px;padding:22px 0;border-top:1px solid var(--gray-200)}
.ab-tl-row:first-child{border-top:none;padding-top:6px}
.ab-tl-year{font-family:var(--font-en);font-weight:800;font-size:32px;color:var(--red);line-height:1.1}
.ab-tl-body h4{font-size:16px;font-weight:700;margin-bottom:4px}
.ab-tl-body p{font-size:14px;color:var(--gray-500)}
.ab-why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.ab-why-card{border:1px solid var(--color-border);border-radius:var(--radius-panel);padding:32px 28px;background:var(--color-surface)}
.ab-why-card .ic{width:44px;height:44px;border-radius:var(--radius-control);background:var(--color-text);color:var(--color-on-dark);display:flex;align-items:center;justify-content:center;font-family:var(--font-en);font-weight:800;font-size:20px}
.ab-why-card h3{font-size:18px;font-weight:700;margin:16px 0 12px}
.ab-why-card ul{list-style:none}
.ab-why-card li{position:relative;padding:5px 0 5px 16px;font-size:14px;color:var(--gray-500);line-height:1.7}
.ab-why-card li::before{content:"";position:absolute;left:0;top:13px;width:6px;height:6px;background:var(--red);border-radius:50%}
.ab-certs{background:var(--gray-50)}
.ab-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:8px}
.ab-badge{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-control);padding:12px 22px;font-family:var(--font-en);font-weight:700;font-size:15px;letter-spacing:.04em}
.ab-honors{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:32px}
.ab-honor{border-left:3px solid var(--red);padding:4px 0 4px 16px}
.ab-honor b{display:block;font-family:var(--font-en);font-size:17px;margin-bottom:2px}
.ab-honor span{font-size:13px;color:var(--gray-500)}
.ab-cta{text-align:center}
.ab-cta .section-desc{margin-left:auto;margin-right:auto}
.ab-cta .section-label{margin-left:auto;margin-right:auto}
.ab-cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.ab-btn-ghost{background:transparent;color:var(--black);border:1.5px solid var(--black)}
.ab-btn-ghost:hover{border-color:var(--red);color:var(--red)}
@media(max-width:768px){
.ab-about-grid{grid-template-columns:1fr;gap:32px}
.ab-stats{grid-template-columns:repeat(3,1fr)}
.ab-cul-grid,.ab-why-grid{grid-template-columns:1fr 1fr}
.ab-honors{grid-template-columns:1fr}
}
@media(max-width:480px){
.ab-stats{grid-template-columns:repeat(2,1fr)}
.ab-cul-grid,.ab-why-grid{grid-template-columns:1fr}
.ab-tl-row{grid-template-columns:72px 1fr;gap:16px}
}
#company-profile,#factory,#culture,#history,#why-us,#certifications,#staple-gun,#staple-gun-aluminium,#staple-gun-steel,#staple-gun-plastic,#hex-key-set,#tool-kits,#hobby-knife,#wrench-pliers,#cordless-staple-nail-guns,#cordless-screwdriver-sets,#precision-cordless-screwdrivers,#cordless-rotary-tools,#cordless-glue-pens{scroll-margin-top:84px}
/* ==== ABOUT PAGE END ==== */

.catalog-subheading{grid-column:1 / -1;padding:18px 0 4px;border-top:1px solid var(--gray-200);margin-top:8px}
.catalog-subheading h3,.catalog-subheading h4,.catalog-subheading-title{font-size:18px;line-height:1.3;margin-bottom:4px}
.catalog-subheading p{font-size:13px;color:var(--gray-500);line-height:1.6}
.all-products-models{display:grid;gap:10px}
.category-model-directory{display:grid;gap:10px;margin-top:18px}
[data-model-group]{grid-column:1 / -1;min-width:0}
[data-model-groups]{grid-column:1 / -1;min-width:0}
.model-anchor{display:block;grid-column:1 / -1;height:0;scroll-margin-top:84px}
.products-grid{align-items:start}
.category-models{grid-column:1 / -1;margin:0 0 18px;padding:20px 0 4px;border-top:1px solid var(--gray-200)}
.category-models-intro{max-width:700px;margin-bottom:16px}
.category-models-intro h3,.category-models-intro h4{font-size:20px;line-height:1.3;margin-bottom:5px}
.category-models-intro p{font-size:13px;color:var(--gray-500);line-height:1.65}
.model-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:16px}
.model-card{display:flex;flex-direction:column;min-width:0;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-card);color:inherit;text-decoration:none;transition:border-color .2s,transform .2s,box-shadow .2s}
.model-card:hover,.model-card:focus-visible{border-color:var(--color-brand);transform:translateY(-2px);box-shadow:var(--shadow-card-hover)}
.model-card:focus-visible{outline:2px solid var(--red);outline-offset:3px}
.model-card-media{display:flex;align-items:center;justify-content:center;width:100%;min-height:0;flex:0 0 auto;aspect-ratio:4/3;background:var(--gray-50);border-bottom:1px solid var(--gray-200);color:var(--gray-400);font-size:10px;font-weight:700;letter-spacing:.14em;text-align:center}
.model-card-media img{width:100%;height:100%;object-fit:contain;padding:12px;box-sizing:border-box}
.model-card-placeholder{padding:16px;color:var(--color-text-muted);font-size:11px;font-weight:600;letter-spacing:.04em;line-height:1.4;text-align:center}
.model-card-body{display:flex;flex:1;flex-direction:column;padding:14px 14px 15px}
.model-card-sku{font-family:var(--font-en);font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--red);margin-bottom:7px}
.model-card-title{font-size:14px;line-height:1.45;margin:0 0 8px;color:var(--gray-900)}
.model-card-category{font-size:11px;line-height:1.45;color:var(--gray-400);margin-top:auto}
.model-card-action{display:block;margin-top:13px;font-size:12px;font-weight:700;color:var(--gray-600)}
.model-card:hover .model-card-action,.model-card:focus-visible .model-card-action{color:var(--red)}
@media(max-width:767px){.model-cards{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.model-card-body{padding:12px}.model-card-title{font-size:13px}}
@media(max-width:420px){.model-cards{grid-template-columns:1fr}}

/* ==== Hand Tools model-first layout ==== */
.hand-tools-model-directory{display:grid;gap:36px;margin-top:8px}
.hand-tools-category-block{min-width:0}
.hand-tools-category-block .catalog-subheading{padding:22px 0 10px;margin:0;border-top:0;border-bottom:1px solid var(--gray-200)}
.hand-tools-category-block .catalog-subheading h3{font-family:var(--font-en);font-size:18px;font-weight:700;line-height:1.3;margin:0}
.hand-tools-category-block .category-model-directory{gap:0;margin-top:0}
.hand-tools-category-block .category-models{padding:18px 0 8px;margin:0;border-top:0}
.hand-tools-standard-block .hand-tools-category-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
.hand-tools-standard-block .hand-tools-category-links a{display:inline-flex;align-items:center;min-height:34px;padding:7px 12px;border:1px solid var(--gray-200);font-size:13px;color:var(--gray-600);transition:border-color .2s,color .2s}
.hand-tools-standard-block .hand-tools-category-links a:hover,.hand-tools-standard-block .hand-tools-category-links a:focus-visible{color:var(--red);border-color:var(--red);outline:none}
.category-models-aggregate{padding:0!important;margin:0!important;border:0!important}

/* Product overview groups start collapsed so visitors can scan the catalog hierarchy first. */
.category-models-collapsible{padding:0!important;margin:0!important;border-top:1px solid var(--color-border-subtle);background:var(--color-surface)}
.category-models-collapsible > summary{display:flex;align-items:center;gap:16px;min-height:58px;padding:14px 2px;list-style:none;cursor:pointer;user-select:none}
.category-models-collapsible > summary::-webkit-details-marker{display:none}
.category-models-collapsible > summary:focus-visible{outline:2px solid var(--color-brand);outline-offset:3px}
.category-models-collapsible .category-models-heading{display:block;flex:0 1 auto;min-width:0}
.category-models-collapsible .category-models-intro{max-width:none;margin:0}
.category-models-collapsible .category-models-intro h3,.category-models-collapsible .category-models-intro h4{margin:0;font-family:var(--font-zh);font-size:16px;font-weight:700;line-height:1.35;color:var(--color-text)}
.category-models-collapsible .category-models-summary-label{display:block;margin:0;font-family:var(--font-zh);font-size:16px;font-weight:700;line-height:1.35;color:var(--color-text)}
.category-models-collapsible .section-label{display:none}
.category-models-count{flex:0 0 auto;color:var(--color-text-muted);font-family:var(--font-en);font-size:12px;line-height:1.3;white-space:nowrap}
.category-models-chevron{position:relative;flex:0 0 auto;width:18px;height:18px;color:var(--color-text-muted)}
.category-models-chevron::before,.category-models-chevron::after{content:"";position:absolute;top:8px;width:9px;height:1px;background:currentColor;transition:transform .2s ease}
.category-models-chevron::before{left:1px;transform:rotate(45deg)}
.category-models-chevron::after{right:1px;transform:rotate(-45deg)}
.category-models-collapsible[open] > summary{border-bottom:1px solid var(--color-border-subtle)}
.category-models-collapsible[open] .category-models-chevron::before{transform:rotate(-45deg)}
.category-models-collapsible[open] .category-models-chevron::after{transform:rotate(45deg)}
.category-models-collapsible > .model-cards{padding:0 0 18px}

/* ==== All Products hierarchy ==== */
.all-products-page .catalog-breadcrumb{display:flex;align-items:center;gap:8px;margin:0 0 26px;color:var(--color-text-muted);font-family:var(--font-en);font-size:13px;line-height:1.4}
.all-products-page .catalog-breadcrumb a{text-decoration:underline;text-decoration-color:transparent;text-underline-offset:4px;transition:color .2s,text-decoration-color .2s}
.all-products-page .catalog-breadcrumb a:hover{color:var(--color-brand);text-decoration-color:currentColor}
.all-products-page .catalog-page-header{max-width:760px;margin-bottom:48px}
.all-products-page .catalog-page-header .section-desc{max-width:680px;margin-top:12px}
.all-products-page .catalog-explore-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:16px}
.all-products-page .catalog-explore-heading h2{margin:0;font-family:var(--font-en);font-size:24px;font-weight:700;line-height:1.25;color:var(--color-text)}
.all-products-page .catalog-explore-heading p{margin:6px 0 0;color:var(--color-text-muted);font-size:14px;line-height:1.55}
.all-products-page .catalog-controls{display:grid;grid-template-columns:minmax(260px,1fr) auto auto;gap:18px 20px;align-items:end;margin:0 0 42px;padding:20px;border:1px solid var(--color-border);border-radius:var(--radius-card);background:var(--color-surface-muted)}
.all-products-page .catalog-search{min-width:0}
.all-products-page .catalog-search-label{display:block;margin-bottom:7px;font-size:13px;font-weight:600;color:var(--gray-700)}
.all-products-page .catalog-search-input{display:block;width:100%;min-height:44px;padding:10px 13px;border:1px solid var(--gray-300);border-radius:var(--radius-control);background:var(--color-surface);color:var(--color-text);font:inherit;font-size:14px}
.all-products-page .catalog-search-input::placeholder{color:var(--gray-400)}
.all-products-page .catalog-search-input:focus{outline:2px solid var(--red);outline-offset:2px;border-color:var(--red)}
.all-products-page .catalog-filter{display:flex;flex-wrap:wrap;gap:4px;padding:4px;border:1px solid var(--color-border);border-radius:var(--radius-control);background:var(--color-surface)}
.all-products-page .catalog-filter-button{min-height:36px;padding:8px 13px;border:0;border-radius:var(--radius-control);background:transparent;color:var(--color-text-muted);font:inherit;font-size:13px;font-weight:600;white-space:nowrap;cursor:pointer;transition:background-color .2s,color .2s}
.all-products-page .catalog-filter-button:hover{color:var(--gray-900);background:var(--gray-50)}
.all-products-page .catalog-filter-button:focus-visible{outline:2px solid var(--red);outline-offset:2px}
.all-products-page .catalog-filter-button.is-active{background:var(--gray-900);color:var(--white)}
.all-products-page .catalog-sort{display:flex;flex-direction:column;gap:7px;color:var(--gray-700);font-size:13px;font-weight:600;white-space:nowrap}
.all-products-page .catalog-sort-select{min-width:150px;min-height:44px;padding:9px 34px 9px 12px;border:1px solid var(--gray-300);border-radius:var(--radius-control);background:var(--color-surface);color:var(--color-text);font:inherit;font-weight:500;cursor:pointer}
.all-products-page .catalog-sort-select:focus-visible{outline:2px solid var(--color-brand);outline-offset:2px;border-color:var(--color-brand)}
.all-products-page .catalog-result{grid-column:1 / -1;margin:0;color:var(--gray-500);font-size:13px;line-height:1.4}
.all-products-page [data-catalog-department][hidden],.all-products-page [data-department-title][hidden],.all-products-page [data-all-products-category][hidden],.all-products-page .category-models[hidden]{display:none}
.all-products-page .all-products-department-title{
  display:flex;align-items:center;gap:12px;
  margin:56px 0 4px;padding:0 0 14px;
  border-bottom:1px solid var(--gray-200);
  font-family:var(--font-en);font-size:22px;font-weight:700;line-height:1.3;
}
.all-products-page .all-products-department-title [data-department-count]{margin-left:auto;color:var(--color-text-muted);font-size:12px;font-weight:500;white-space:nowrap}
.all-products-page .all-products-models{gap:0}
.all-products-page .category-model-directory{gap:0;margin-top:0}
.all-products-page .all-products-category{display:block;margin:0;border-bottom:1px solid var(--gray-200)}
.all-products-page .all-products-category > .all-products-category-summary{
  display:flex;align-items:center;gap:16px;min-height:66px;padding:20px 0 16px;
  border-bottom:1px solid var(--color-border-subtle)
}
.all-products-page .all-products-category > summary{
  display:flex;align-items:center;gap:16px;min-height:66px;padding:20px 0 16px;
  list-style:none;cursor:pointer;user-select:none
}
.all-products-page .all-products-category > summary::-webkit-details-marker{display:none}
.all-products-page .all-products-category > summary:focus-visible{outline:2px solid var(--color-brand);outline-offset:3px}
.all-products-page .all-products-category-heading{display:block;min-width:0;flex:0 1 auto}
.all-products-page .all-products-category-heading h3{margin:0;font-family:var(--font-zh);font-size:16px;font-weight:700;line-height:1.35;color:var(--color-text)}
.all-products-page .all-products-category-count{color:var(--color-text-muted);font-family:var(--font-en);font-size:12px;line-height:1.35;white-space:nowrap}
.all-products-page .all-products-category > .category-model-directory{padding:0 0 22px}
.all-products-page .all-products-category .model-cards{padding:0}
.all-products-page .all-products-category[open] > summary{border-bottom:1px solid var(--color-border-subtle)}
.all-products-page .all-products-category .category-models-chevron{margin-right:2px}
.all-products-page .all-products-category > summary .category-models-chevron,
.category-models-collapsible > summary .category-models-chevron{margin-left:auto}
.all-products-page .category-models{padding:20px 0 12px;margin:0;border-top:0}
.all-products-page .category-models-intro{max-width:none;margin-bottom:12px}
.all-products-page .category-models-intro h3,.all-products-page .category-models-intro h4{font-size:14px;line-height:1.35;color:var(--gray-700);margin:0}
.all-products-page .model-cards{grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
@media(max-width:1100px){.all-products-page .model-cards{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:767px){
  .all-products-page .catalog-page-header{margin-bottom:38px}
  .all-products-page .catalog-explore-heading h2{font-size:21px}
  .all-products-page .all-products-department-title{margin-top:40px;font-size:19px}
  .all-products-page .all-products-category > summary{min-height:60px;padding:18px 0 14px}
  .all-products-page .model-cards{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
}
@media(max-width:900px){
  .all-products-page .catalog-controls{grid-template-columns:1fr;align-items:stretch;gap:16px;margin-bottom:28px;padding:16px}
  .all-products-page .catalog-filter{justify-content:stretch}
  .all-products-page .catalog-filter-button{flex:1 1 auto}
  .all-products-page .catalog-sort-select{width:100%}
}
@media(max-width:420px){.all-products-page .model-cards{grid-template-columns:1fr}}

/* Product finder: DEWALT-inspired filter rail with HOTAKTOOLS styling. */
.all-products-page .catalog-browser{
  display:grid;
  grid-template-columns:248px minmax(0,1fr);
  gap:40px;
  align-items:start;
}
.all-products-page .catalog-sidebar{
  position:sticky;
  top:calc(var(--header-height) + 24px);
  min-width:0;
  padding-right:28px;
  border-right:1px solid var(--color-border);
}
.all-products-page .catalog-sidebar .catalog-search{margin-bottom:30px}
.all-products-page .catalog-filter-set{min-width:0;margin:0;padding:24px 0 0;border:0;border-top:1px solid var(--color-border)}
.all-products-page .catalog-filter-set + .catalog-filter-set{margin-top:26px}
.all-products-page .catalog-filter-set legend{display:block;width:100%;margin:0 0 12px;padding:0;color:var(--color-text);font-size:13px;font-weight:700;line-height:1.4;text-transform:uppercase}
.all-products-page .catalog-filter-button,
.all-products-page .catalog-category-button{
  position:relative;
  display:flex;
  align-items:flex-start;
  width:100%;
  min-height:40px;
  gap:10px;
  padding:9px 0;
  border:0;
  border-radius:0;
  background:transparent;
  color:var(--color-text);
  font:500 13px/1.5 var(--font-zh);
  text-align:left;
  white-space:normal;
  cursor:pointer;
}
.all-products-page .catalog-filter-button::before,
.all-products-page .catalog-category-button::before{
  content:"";
  flex:0 0 auto;
  width:16px;
  height:16px;
  margin-top:2px;
  border:1px solid var(--gray-300);
  border-radius:3px;
  background:var(--color-surface);
  box-shadow:inset 0 0 0 3px var(--color-surface);
}
.all-products-page .catalog-filter-button > span,
.all-products-page .catalog-category-button > span{margin-left:auto;color:var(--color-text-muted);font-family:var(--font-en);font-size:12px;font-weight:400;white-space:nowrap}
.all-products-page .catalog-filter-button:hover,
.all-products-page .catalog-category-button:hover{color:var(--color-brand);background:transparent}
.all-products-page .catalog-filter-button.is-active,
.all-products-page .catalog-category-button.is-active{color:var(--color-text);background:transparent;font-weight:700}
.all-products-page .catalog-filter-button.is-context{color:var(--color-brand);font-weight:700}
.all-products-page .catalog-filter-button.is-active::before,
.all-products-page .catalog-category-button.is-active::before{border-color:var(--color-brand);background:var(--color-brand)}
.all-products-page .catalog-filter-button.is-context::before{border-color:var(--color-brand)}
.all-products-page .catalog-filter-button:focus-visible,
.all-products-page .catalog-category-button:focus-visible{outline:2px solid var(--color-brand);outline-offset:3px}
.all-products-page .catalog-filter-branch{margin-top:3px}
.all-products-page .catalog-category-group{display:grid;gap:0;margin:0 0 9px 8px;padding:0 0 2px 18px;border-left:1px solid var(--color-border)}
.all-products-page .catalog-category-group[hidden]{display:none}
.all-products-page .catalog-category-button{min-height:36px;padding:7px 0;color:var(--color-text-muted);font-size:12px}
.all-products-page .catalog-category-button::before{width:14px;height:14px;margin-top:2px}
.all-products-page .catalog-results{min-width:0}
.all-products-page .catalog-results-toolbar{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;min-height:66px;margin-bottom:12px;padding-bottom:16px;border-bottom:1px solid var(--color-border)}
.all-products-page .catalog-results-toolbar h2{margin:0;color:var(--color-text);font-family:var(--font-en);font-size:22px;font-weight:700;line-height:1.25}
.all-products-page .catalog-results-toolbar [data-result-count]{font-variant-numeric:tabular-nums}
.all-products-page .catalog-results-toolbar .catalog-result{margin:5px 0 0;color:var(--color-text-muted);font-size:12px;line-height:1.4}
.all-products-page .catalog-sort{display:flex;flex-direction:row;align-items:center;gap:9px;color:var(--color-text);font-size:13px;font-weight:600;white-space:nowrap}
.all-products-page .catalog-sort-select{width:auto;min-width:170px;min-height:40px;padding:7px 34px 7px 11px}
.all-products-page .catalog-results .all-products-department-title{margin-top:38px;font-size:20px}
.all-products-page .catalog-results .model-cards{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.all-products-page .catalog-results .all-products-category > .all-products-category-summary{min-height:64px;padding:18px 0 15px}
.all-products-page .catalog-results .category-models{padding-top:18px}

/* Keep the product rail focused on the cards; filtering already supplies the hierarchy. */
.all-products-page .catalog-page-header .section-desc{display:none}
.all-products-page .catalog-results-toolbar{justify-content:flex-end;min-height:0;margin-bottom:28px;padding:0;border-bottom:0}
.all-products-page .catalog-result-status{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.all-products-page .all-products-category{border:0}
.all-products-page .all-products-category > .category-model-directory{padding:0 0 28px}
.all-products-page .catalog-results .category-models{padding:0 0 28px}

@media(max-width:1050px){
  .all-products-page .catalog-browser{grid-template-columns:220px minmax(0,1fr);gap:28px}
  .all-products-page .catalog-sidebar{padding-right:22px}
  .all-products-page .catalog-results .model-cards{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:767px){
  .all-products-page .catalog-browser{grid-template-columns:1fr;gap:36px}
  .all-products-page .catalog-sidebar{position:static;display:grid;grid-template-columns:1fr 1fr;gap:0 28px;padding:20px;border:1px solid var(--color-border);border-radius:var(--radius-card);background:var(--color-surface-muted)}
  .all-products-page .catalog-sidebar .catalog-search{grid-column:1 / -1;margin-bottom:24px}
  .all-products-page .catalog-filter-tree{grid-column:1 / -1}
  .all-products-page .catalog-filter-set{padding-top:20px}
  .all-products-page .catalog-filter-set + .catalog-filter-set{margin-top:0}
  .all-products-page .catalog-results-toolbar{align-items:flex-end}
}
@media(max-width:560px){
  .all-products-page .catalog-sidebar{display:block;padding:16px}
  .all-products-page .catalog-filter-set + .catalog-filter-set{margin-top:22px}
  .all-products-page .catalog-results-toolbar{align-items:stretch;flex-direction:column;gap:14px}
  .all-products-page .catalog-sort{justify-content:space-between}
  .all-products-page .catalog-sort-select{min-width:0;max-width:210px}
  .all-products-page .catalog-results .model-cards{grid-template-columns:1fr}
}

/* ==== News empty state ==== */
.news-page{margin-top:64px;background:var(--white)}
.news-section{min-height:calc(100vh - 64px);padding:112px 32px 128px}
.news-header{max-width:720px;margin-bottom:48px}
.news-empty{max-width:720px;padding:34px 0 0;border-top:1px solid var(--gray-200)}
.news-empty-label{display:block;color:var(--red);font-family:var(--font-en);font-size:12px;font-weight:700;letter-spacing:.14em}
.news-empty h2{margin:12px 0 12px;font-family:var(--font-en);font-size:30px;line-height:1.2}
.news-empty p{max-width:560px;margin:0 0 24px;color:var(--gray-500);font-size:15px;line-height:1.75}
@media(max-width:767px){
  .news-section{min-height:calc(100vh - 64px);padding:80px 20px 96px}
  .news-header{margin-bottom:36px}
  .news-empty{padding-top:26px}
  .news-empty h2{font-size:26px}
  .news-empty p{font-size:14px;line-height:1.7}
}

/* ==== ABOUT PAGE REFINEMENT ==== */
.about-page{overflow:hidden;background:var(--white);margin-top:64px;font-family:var(--font-en)}
.about-page .section,.about-page h1,.about-page h2,.about-page h3,.about-page p,.about-page figcaption{font-family:inherit}
html[lang^="zh"] .about-page{font-family:var(--font-zh)}
html[lang^="zh"] .header,html[lang^="zh"] .footer{font-family:var(--font-zh)}
html[lang^="zh"] .about-page .ab-hero-title{font-family:var(--font-zh);font-size:52px;white-space:nowrap}
.about-page .section{padding-block:96px}
.about-page .section-inner{max-width:1280px}
.ab-hero{padding-top:104px!important;background:var(--white)}
.ab-hero-grid{display:grid;grid-template-columns:minmax(0,.88fr) minmax(440px,1.12fr);gap:88px;align-items:center}
.ab-hero-copy{max-width:590px}
.about-page .section-label{font-size:11px;letter-spacing:.18em;margin-bottom:20px}
.ab-hero-title{font-family:var(--font-en);font-size:clamp(44px,4.2vw,60px);line-height:1.04;letter-spacing:0;font-weight:800;margin:0 0 26px;max-width:620px;white-space:nowrap}
.ab-lead{font-size:20px;line-height:1.55;color:var(--gray-700);max-width:560px;margin:0 0 32px}
.ab-hero-copy .btn{margin-top:2px}
.ab-hero-media,.ab-capability-media{margin:0}
.ab-hero-media img,.ab-capability-media img{width:100%;height:100%;object-fit:cover;border-radius:12px}
.ab-hero-media img{aspect-ratio:3/2;box-shadow:0 18px 40px rgba(20,28,38,.12)}
.ab-hero-media figcaption,.ab-capability-media figcaption{font-size:12px;color:var(--gray-400);margin-top:10px}
.ab-proof{background:var(--gray-50);border-top:1px solid var(--gray-100);border-bottom:1px solid var(--gray-100)}
.ab-proof-grid{display:grid;grid-template-columns:230px 1fr;gap:56px;align-items:start}
.ab-proof-intro{padding-top:4px}
.ab-proof-intro .ab-rule{display:block;width:34px;height:3px;background:var(--red);margin-bottom:18px}
.ab-proof-intro p{font-size:15px;line-height:1.65;color:var(--gray-600);max-width:210px}
.ab-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:30px 34px;text-align:left}
.ab-stat{border-top:1px solid var(--gray-300);padding-top:14px}
.ab-stat .n{font-family:var(--font-en);font-size:34px;font-weight:800;color:var(--red);line-height:1.15;letter-spacing:0}
.ab-stat .l{font-size:12px;color:var(--gray-500);margin-top:7px;letter-spacing:.02em}
.ab-culture{background:var(--white)}
.ab-section-heading{max-width:720px;margin-bottom:48px}
.ab-section-heading .section-title{margin-bottom:14px;letter-spacing:0}
.ab-section-heading .section-desc{margin-bottom:0}
.ab-principles{display:grid;grid-template-columns:repeat(3,1fr);gap:40px}
.ab-principle{border-top:2px solid var(--gray-900);padding-top:18px}
.ab-principle h3{font-size:23px;line-height:1.25;margin-bottom:10px}
.ab-principle p{font-size:15px;line-height:1.75;color:var(--gray-500);max-width:320px}
.ab-spirit{display:flex;align-items:center;gap:24px;flex-wrap:wrap;background:var(--red);color:var(--white);padding:22px 24px;margin-top:48px;border-radius:12px}
.ab-spirit .lbl{font:700 11px/1 var(--font-en);letter-spacing:.16em;text-transform:uppercase;opacity:.82}
.ab-spirit strong{font-size:17px;line-height:1.4;font-weight:700;letter-spacing:.02em}
.ab-history{background:var(--gray-50)}
.ab-timeline{max-width:940px}
.ab-tl-row{display:grid;grid-template-columns:130px 1fr;gap:36px;padding:22px 0;border-top:1px solid var(--gray-200)}
.ab-tl-row:first-child{padding-top:0;border-top:0}
.ab-tl-year{font:800 26px/1 var(--font-en);color:var(--red);padding-top:3px;letter-spacing:0}
.ab-tl-body h3{font-size:17px;line-height:1.35;margin-bottom:4px}
.ab-tl-body p{font-size:14px;line-height:1.65;color:var(--gray-500);max-width:650px}
.ab-capabilities{background:var(--white)}
.ab-capabilities-layout{display:grid;grid-template-columns:minmax(0,1.48fr) minmax(280px,.52fr);gap:44px;align-items:start}
.ab-why-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.ab-why-card{border:0;border-top:2px solid var(--gray-900);border-radius:0;padding:18px 0 0;background:transparent}
.ab-why-card .ic{width:36px;height:36px;border-radius:0;background:var(--gray-900);font:800 16px/1 var(--font-en);margin-bottom:18px}
.ab-why-card h3{font-size:17px;line-height:1.35;min-height:46px;margin:0 0 13px}
.ab-why-card ul{list-style:none}
.ab-why-card li{position:relative;padding:7px 0 7px 22px;font-size:13px;line-height:1.6;color:var(--gray-500)}
.ab-why-card li::before{content:"";position:absolute;left:0;top:17px;width:12px;height:1px;background:var(--red);border-radius:0}
.ab-capability-media{position:sticky;top:94px}
.ab-capability-media img{aspect-ratio:1/1}
.ab-certs{background:var(--gray-50)}
.ab-badges{display:grid;grid-template-columns:repeat(7,1fr);gap:10px;margin-top:8px}
.ab-badge{display:flex;align-items:center;justify-content:center;min-height:54px;background:var(--white);border:1px solid var(--gray-200);border-radius:0;padding:10px;font:700 14px/1.2 var(--font-en);letter-spacing:.04em}
.ab-honors{display:grid;grid-template-columns:repeat(3,1fr);gap:34px;margin-top:40px}
.ab-honor{border-left:3px solid var(--red);padding:2px 0 2px 16px}
.ab-honor b{display:block;font-size:16px;line-height:1.4;margin-bottom:5px}
.ab-honor span{font-size:13px;line-height:1.5;color:var(--gray-500)}
.ab-cta{background:var(--gray-50)}
.ab-cta-panel{display:flex;align-items:center;justify-content:space-between;gap:48px;padding:44px 48px;background:var(--white);border:1px solid var(--gray-200);border-left:4px solid var(--red);border-radius:12px}
.ab-cta-panel .section-title{margin-bottom:12px}
.ab-cta-panel .section-desc{margin:0;max-width:560px}
.ab-cta-actions{display:flex;gap:12px;align-items:center;flex:0 0 auto;flex-wrap:wrap}
.ab-btn-ghost{background:transparent;color:var(--gray-900);border:1px solid var(--gray-900)}
.ab-btn-ghost:hover{border-color:var(--red);color:var(--red);background:transparent}
.about-page a:focus-visible,.about-page button:focus-visible{outline:2px solid var(--red);outline-offset:3px}
@media(max-width:1200px){
  html[lang^="zh"] .about-page .ab-hero-title{font-size:42px}
}
@media(max-width:1100px){
  .ab-hero-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:48px}
  .ab-capabilities-layout{grid-template-columns:1fr;gap:48px}
  .ab-capability-media{position:static;max-width:520px}
}
@media(max-width:768px){
  .about-page .section{padding-block:68px}
  .ab-hero{padding-top:76px!important}
  .ab-hero-grid,.ab-proof-grid{grid-template-columns:1fr;gap:36px}
  .ab-hero-title{font-size:44px;margin-bottom:20px}
  html[lang^="zh"] .about-page .ab-hero-title{font-size:40px}
  .ab-lead{font-size:18px}
  .ab-hero-media{order:0}
  .ab-proof-intro p{max-width:420px}
  .ab-stats{grid-template-columns:repeat(3,1fr);gap:24px 18px}
  .ab-principles,.ab-why-grid{grid-template-columns:1fr;gap:30px}
  .ab-principle p{max-width:none}
  .ab-why-card h3{min-height:0}
  .ab-badges{grid-template-columns:repeat(4,1fr)}
  .ab-honors{grid-template-columns:1fr;gap:22px}
  .ab-cta-panel{display:block;padding:32px 24px}
  .ab-cta-actions{margin-top:26px}
}
@media(max-width:480px){
  .about-page .section{padding-block:54px}
  .ab-hero{padding-top:62px!important}
  .ab-hero-title{font-size:32px}
  html[lang^="zh"] .about-page .ab-hero-title{font-size:28px}
  .ab-stats{grid-template-columns:repeat(2,1fr)}
  .ab-stat .n{font-size:29px}
  .ab-tl-row{grid-template-columns:74px 1fr;gap:16px;padding:18px 0}
  .ab-tl-year{font-size:22px}
  .ab-badges{grid-template-columns:repeat(2,1fr)}
  .ab-spirit{display:block;padding:20px}
  .ab-spirit strong{display:block;margin-top:10px;font-size:15px}
  .ab-cta-actions .btn{width:100%;justify-content:center}
}
/* ==== ABOUT PAGE REFINEMENT END ==== */

/* ==== QUICK ACCESSIBILITY AND MOBILE NAV FIXES ==== */
.mobile-menu-btn {
  display: none;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  color: var(--gray-900);
  border-radius: 6px;
}
.mobile-menu-btn:hover { background: var(--gray-50); }
.mobile-menu-btn:focus-visible,
.header a:focus-visible,
.header-lang a:focus-visible,
.btn:focus-visible,
.float-contact .float-item:focus-visible,
.float-contact button:focus-visible,
.form-group input:focus-visible,
.form-group textarea:focus-visible,
.form-group select:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: 3px;
}
.mobile-menu-panel[hidden] { display: none !important; }
.mobile-menu-panel {
  display: block;
  position: fixed;
  inset: 64px 0 0;
  z-index: 95;
}
.mobile-menu-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(17,17,17,.28);
}
.mobile-menu-sheet {
  position: relative;
  width: min(100%, 420px);
  max-height: 100%;
  overflow-y: auto;
  margin-left: auto;
  padding: 8px 20px 28px;
  background: var(--white);
  border-top: 1px solid var(--gray-200);
  box-shadow: 0 18px 40px rgba(17,17,17,.14);
}
.mobile-menu-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 52px;
  border-bottom: 1px solid var(--gray-200);
  color: var(--gray-900);
}
.mobile-menu-head strong { font-size: 15px; }
.mobile-menu-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 0;
  background: transparent;
  color: var(--gray-700);
  font-size: 26px;
  line-height: 1;
  cursor: pointer;
}
.mobile-menu-nav { display: flex; flex-direction: column; padding-top: 8px; }
.mobile-menu-nav > a,
.mobile-menu-group > summary {
  display: flex;
  align-items: center;
  min-height: 48px;
  padding: 10px 4px;
  color: var(--gray-900);
  font-size: 16px;
  font-weight: 600;
  border-bottom: 1px solid var(--gray-100);
  cursor: pointer;
}
.mobile-menu-nav > a:hover,
.mobile-menu-group > summary:hover { color: var(--red); }
.mobile-menu-group > summary { list-style: none; justify-content: space-between; }
.mobile-menu-group > summary::-webkit-details-marker { display: none; }
.mobile-menu-group > summary::after { content: "+"; color: var(--gray-400); font-size: 20px; font-weight: 400; }
.mobile-menu-group[open] > summary::after { content: "-"; color: var(--red); }
.mobile-menu-subnav { display: flex; flex-direction: column; padding: 4px 0 8px 16px; }
.mobile-menu-subnav a {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 8px 4px;
  color: var(--gray-600);
  font-size: 14px;
  line-height: 1.4;
}
.mobile-menu-subnav a:hover { color: var(--red); }
.mobile-menu-subnav .mobile-menu-overview { color: var(--red); font-weight: 600; }
body.mobile-menu-open { overflow: hidden; }

@media (max-width: 768px) {
  .mobile-menu-btn { display: inline-flex; }
  .header-lang { min-height: 44px; width: 88px; }
  .header-lang .active-lang,
  .header-lang a { min-width: 30px; min-height: 36px; }
  .btn { min-height: 44px; }
  .contact-layout { grid-template-columns: 1fr !important; gap: var(--space-6) !important; }
  .contact-form-row { grid-template-columns: 1fr !important; }
  .hero-dots { gap: 2px; bottom: 16px; }
  .hero-dots button,
  .hero-dots button.active {
    position: relative;
    width: 44px;
    height: 44px;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
  }
  .hero-dots button::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 9px;
    height: 9px;
    border: 2px solid rgba(255,255,255,.65);
    border-radius: 50%;
    transform: translate(-50%,-50%);
  }
  .hero-dots button.active::before {
    width: 24px;
    height: 9px;
    border-color: var(--red);
    border-radius: 5px;
    background: var(--red);
  }
}
/* ==== QUICK ACCESSIBILITY AND MOBILE NAV FIXES END ==== */
.detail-description{margin:0;color:var(--gray-500);font-size:13px;line-height:1.7}

/* Keep all visible Product cards in one continuous results grid. The semantic
   department/category wrappers remain available to the filter script. */
.all-products-page .catalog-card-flow {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  align-items: start;
}
.all-products-page .catalog-card-flow > [data-catalog-department],
.all-products-page .catalog-card-flow [data-all-products-category],
.all-products-page .catalog-card-flow .category-model-directory,
.all-products-page .catalog-card-flow [data-model-group],
.all-products-page .catalog-card-flow [data-model-groups],
.all-products-page .catalog-card-flow .category-models,
.all-products-page .catalog-card-flow .model-cards {
  display: contents;
}
.all-products-page .catalog-card-flow [hidden] {
  display: none !important;
}
@media (max-width: 1050px) {
  .all-products-page .catalog-card-flow { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 767px) {
  .all-products-page .catalog-card-flow { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
}
@media (max-width: 560px) {
  .all-products-page .catalog-card-flow { grid-template-columns: 1fr; }
}

/* Product overview cards mirror the image-led cards used on the home page. */
.all-products-page .catalog-results .model-card {
  position: relative;
  display: block;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  border: 0;
  border-radius: var(--radius-card);
  background: var(--gray-100);
  box-shadow: 0 1px 4px rgba(17, 17, 17, .04);
  isolation: isolate;
}
.all-products-page .catalog-results .model-card:hover,
.all-products-page .catalog-results .model-card:focus-visible {
  border: 0;
  transform: none;
  box-shadow: 0 2px 7px rgba(17, 17, 17, .06);
}
.all-products-page .catalog-results .model-card:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: 3px;
}
.all-products-page .catalog-results .model-card-media {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: auto;
  border: 0;
  background: var(--gray-50);
}
.all-products-page .catalog-results .model-card-media::after {
  content: "";
  position: absolute;
  inset: 45% 0 0;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, .76) 100%);
}
.all-products-page .catalog-results .model-card-media img {
  display: block;
  width: 100%;
  height: 100%;
  padding: 0;
  object-fit: cover;
  transition: transform .5s ease;
}
.all-products-page .catalog-results .model-card:hover .model-card-media img,
.all-products-page .catalog-results .model-card:focus-visible .model-card-media img {
  transform: scale(1.035);
}
.all-products-page .catalog-results .model-card-body {
  position: absolute;
  inset: auto 0 0;
  z-index: 2;
  display: block;
  padding: 20px 18px 17px;
  color: var(--white);
}
.all-products-page .catalog-results .model-card-sku {
  margin: 0 0 6px;
  color: rgba(255, 255, 255, .76);
  font-size: 11px;
  letter-spacing: .12em;
  line-height: 1.2;
}
.all-products-page .catalog-results .model-card-title {
  margin: 0;
  color: var(--white);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.35;
  overflow-wrap: anywhere;
}
.all-products-page .catalog-results .model-card-action {
  display: none;
}
.all-products-page .catalog-results .model-card:hover .model-card-action,
.all-products-page .catalog-results .model-card:focus-visible .model-card-action {
  color: var(--white);
}
.header-logo img#brand-logo {
  width: auto;
  height: 38px;
  max-width: 184px;
  object-fit: contain;
}
@media (max-width: 767px) {
  .header-logo img#brand-logo { height: 34px; max-width: 162px; }
  .all-products-page .catalog-results .model-card-body { padding: 16px 14px 14px; }
  .all-products-page .catalog-results .model-card-title { font-size: 13px; }
}