/* ==========================================================================
   Dongguan Henglitong Automation Equipment Co., Ltd. (HLT Automation)
   Global B2B Overseas Independent Website Stylesheet (https://hltlabeling.com)
   Aesthetic Direction: Dongguan Precision Anodized Chassis & Die-Cut Spec Plate
   Full 12-Language + RTL + Mobile & WeChat (MicroMessenger) Adaptation
   ========================================================================== */

/* 0. Self-Hosted Variable Display & Sans Typography (Archivo Variable) */
@font-face {
  font-family: 'Archivo Variable';
  font-style: normal;
  font-display: swap;
  font-weight: 100 900;
  font-stretch: 62% 125%;
  src: url('/assets/fonts/archivo-vietnamese-wdth-normal.woff2') format('woff2-variations');
  unicode-range: U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+0300-0301, U+0303-0304, U+0308-0309, U+0323, U+0329, U+1EA0-1EF9, U+20AB;
}

@font-face {
  font-family: 'Archivo Variable';
  font-style: normal;
  font-display: swap;
  font-weight: 100 900;
  font-stretch: 62% 125%;
  src: url('/assets/fonts/archivo-latin-ext-wdth-normal.woff2') format('woff2-variations');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
  font-family: 'Archivo Variable';
  font-style: normal;
  font-display: swap;
  font-weight: 100 900;
  font-stretch: 62% 125%;
  src: url('/assets/fonts/archivo-latin-wdth-normal.woff2') format('woff2-variations');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  /* Core Surface Palette — Machined Aluminum & Anodized Gunmetal */
  --bg-canvas: #F3F5F8;
  --bg-card: #FFFFFF;
  --bg-recessed: #E8EEF3;
  --bg-dark: #0C1D2E;
  --bg-dark-elevated: #132A42;
  --bg-glass: rgba(255, 255, 255, 0.94);

  /* Text Hierarchy */
  --text-primary: #0F2133;
  --text-secondary: #435568;
  --text-muted: #64768A;
  --text-on-dark: #F8FAFC;
  --text-on-dark-muted: #9DB0C4;

  /* Accent & Semantic Tokens */
  --brand-primary: #146C94;
  --brand-primary-hover: #0E5373;
  --brand-primary-soft: #E3F2F8;
  --accent-amber: #D96B16;
  --accent-amber-hover: #B8570D;
  --accent-amber-soft: #FEF2E7;
  --brand-crimson: #D2232A;
  --status-success: #15803D;
  --status-success-soft: #DCFCE7;
  --status-warning: #B45309;
  --status-danger: #B91C1C;

  /* Border & Hairline Divider Tokens */
  --border-subtle: #D5E0EA;
  --border-strong: #B3C3D3;
  --border-accent: rgba(20, 108, 148, 0.34);

  /* Shadows & Radii */
  --shadow-xs: 0 1px 2px rgba(12, 29, 46, 0.05);
  --shadow-sm: 0 4px 12px rgba(12, 29, 46, 0.07);
  --shadow-md: 0 12px 28px rgba(12, 29, 46, 0.11);
  --shadow-lg: 0 22px 48px rgba(12, 29, 46, 0.18);
  --radius-sm: 5px;
  --radius-md: 8px;
  --radius-lg: 12px;

  /* Typography */
  --font-display: 'Archivo Variable', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
  --font-sans: 'Archivo Variable', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', 'Noto Sans Arabic', 'Noto Sans Thai', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SFMono-Regular', Menlo, Consolas, monospace;

  /* Layout */
  --container-max: 1380px;
  --gutter: clamp(1rem, 3vw, 2.5rem);
}

*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  font-family: var(--font-sans);
  /* Modern Web Guidance (visually-stable-font-fallbacks): Normalize fallback font x-height */
  font-size-adjust: from-font;
  color: var(--text-primary);
  background-color: var(--bg-canvas);
  line-height: 1.6;
  -webkit-tap-highlight-color: rgba(20, 108, 148, 0.12);
}

body {
  margin: 0;
  padding: 0;
  overflow-x: clip;
  /* Modern Web Guidance (state-aware-sticky-headers): Disable scroll anchoring on direct parent of sticky header */
  overflow-anchor: none;
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  font-size-adjust: from-font;
}

/* RTL & Multilingual Typography Enhancements */
html[dir="rtl"] {
  font-family: 'Noto Sans Arabic', 'Archivo Variable', Tahoma, sans-serif;
}

html[lang="th"] {
  line-height: 1.75;
}

img, video {
  max-inline-size: 100%;
  block-size: auto;
  display: block;
}

a {
  color: var(--brand-primary);
  text-decoration: none;
  transition: color 0.16s ease, background-color 0.16s ease, border-color 0.16s ease;
}

a:hover {
  color: var(--brand-primary-hover);
}

:focus-visible {
  outline: 2px solid var(--brand-primary);
  outline-offset: 2px;
}

.icon {
  flex-shrink: 0;
  display: inline-block;
  vertical-align: middle;
}

.tabular-nums {
  font-variant-numeric: tabular-nums;
}

.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.container {
  max-inline-size: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* Hidden first-in-DOM WeChat Share Thumbnail */
.wx-share-thumb {
  position: absolute;
  inline-size: 0;
  block-size: 0;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}

/* Skip Link for Accessibility */
.skip-link {
  position: absolute;
  inset-block-start: -100px;
  inset-inline-start: 1rem;
  background: var(--bg-dark);
  color: #fff;
  padding: 0.6rem 1.2rem;
  z-index: 9999;
  border-radius: var(--radius-sm);
  font-weight: 600;
}

.skip-link:focus {
  inset-block-start: 0.75rem;
}

/* ==========================================================================
   1. Top Industrial Utility Bar & State-Aware Single-Line Sticky Header
   ========================================================================== */
.utility-bar {
  background-color: var(--bg-dark);
  color: var(--text-on-dark-muted);
  font-size: 0.79rem;
  border-block-end: 1px solid rgba(255, 255, 255, 0.08);
  padding-block: 0.42rem;
}

.utility-bar-inner {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-inline-size: 0;
}

.utility-trust {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: #E2E8F0;
  font-weight: 500;
  min-inline-size: 0;
  flex: 1 1 auto;
}

.utility-trust span:last-child {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.utility-trust-dot {
  inline-size: 7px;
  block-size: 7px;
  border-radius: 50%;
  background-color: #22C55E;
  box-shadow: 0 0 7px rgba(34, 197, 94, 0.8);
  flex-shrink: 0;
}

.utility-contacts {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: 1rem;
  flex-shrink: 0;
}

.utility-contacts a {
  color: #CBD5E1;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  white-space: nowrap;
}

.utility-contacts a:hover {
  color: #FFFFFF;
}

/* State-Aware Sticky Header (modern-web-guidance: state-aware-sticky-headers) */
.site-header {
  position: sticky;
  inset-block-start: 0;
  top: 0;
  z-index: 100;
  /* MANDATORY: Always specify a container name to avoid collisions if CQs are nested */
  container-type: scroll-state;
  container-name: site-header;
}

.header-surface {
  background-color: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-block-end: 1px solid var(--border-subtle);
  transition: background-color 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

@container site-header scroll-state(stuck: top) {
  .header-surface {
    background-color: rgba(255, 255, 255, 0.98);
    border-block-end-color: var(--border-strong);
    box-shadow: 0 8px 24px rgba(12, 29, 46, 0.09);
  }
}

.site-header.is-stuck .header-surface {
  background-color: rgba(255, 255, 255, 0.98);
  border-block-end-color: var(--border-strong);
  box-shadow: 0 8px 24px rgba(12, 29, 46, 0.09);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: nowrap;
  gap: clamp(0.6rem, 1.5vw, 1.35rem);
  block-size: 4.25rem;
  min-inline-size: 0;
}

/* Brand Identity Mark */
.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--text-primary);
  font-weight: 700;
  flex-shrink: 0;
  min-inline-size: 0;
}

.brand-logo:hover {
  color: var(--text-primary);
}

.brand-mark-svg {
  inline-size: 2.5rem;
  block-size: 2.5rem;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-xs);
}

.brand-mark {
  inline-size: 2.5rem;
  block-size: 2.5rem;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--bg-dark) 0%, var(--brand-primary) 100%);
  color: #FFFFFF;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 0.92rem;
  letter-spacing: -0.03em;
  flex-shrink: 0;
}

.brand-text-wrap {
  display: flex;
  flex-direction: column;
  min-inline-size: 0;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 800;
  color: var(--bg-dark);
  line-height: 1.15;
  letter-spacing: -0.02em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.brand-sub {
  font-size: 0.68rem;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  letter-spacing: 0.01em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.brand-logo-light .brand-name {
  color: #FFFFFF;
  white-space: normal;
}

.brand-logo-light .brand-sub {
  color: #9DB0C4;
  white-space: normal;
}

/* Single-Row Navigation — NEVER Wraps */
.main-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: nowrap;
  gap: 0.2rem;
  flex: 1 1 auto;
  min-inline-size: 0;
}

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 0.46rem 0.72rem;
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.875rem;
  font-weight: 650;
  white-space: nowrap;
  flex-shrink: 0;
  transition: color 0.16s ease, background-color 0.16s ease;
}

.nav-link:hover {
  background-color: var(--bg-recessed);
  color: var(--brand-primary-hover);
}

.nav-link.active {
  background-color: var(--brand-primary-soft);
  color: var(--brand-primary-hover);
  font-weight: 750;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  inset-inline: 0.6rem;
  inset-block-end: 0.15rem;
  block-size: 2px;
  border-radius: 2px;
  background-color: var(--brand-primary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

/* Auto-compact state when nav links would exceed single-row width */
.site-header.is-compact .main-nav,
.site-header.is-compact .header-quote-btn {
  display: none;
}

.site-header.is-compact .mobile-menu-trigger {
  display: inline-grid;
}

/* 12-Language Switcher Dropdown */
.lang-switcher {
  position: relative;
}

.lang-switcher details {
  position: relative;
}

.lang-switcher summary {
  list-style: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  block-size: 2.4rem;
  padding-inline: 0.65rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  color: var(--text-primary);
  font-size: 0.8rem;
  font-weight: 700;
  user-select: none;
  white-space: nowrap;
  transition: border-color 0.16s ease, background-color 0.16s ease;
}

.lang-switcher summary:hover {
  border-color: var(--brand-primary);
  background-color: var(--bg-canvas);
}

.lang-switcher summary::-webkit-details-marker {
  display: none;
}

.lang-code {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.02em;
}

.lang-native {
  color: var(--text-secondary);
  font-weight: 600;
}

.lang-menu {
  position: absolute;
  inset-block-start: calc(100% + 0.45rem);
  inset-inline-end: 0;
  inline-size: min(290px, 90vw);
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 0.5rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.25rem;
  z-index: 250;
}

.lang-option {
  display: flex;
  align-items: center;
  gap: 0.42rem;
  padding: 0.45rem 0.55rem;
  border-radius: var(--radius-sm);
  font-size: 0.79rem;
  color: var(--text-primary);
  font-weight: 550;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.lang-option-code {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.1rem 0.32rem;
  border-radius: 3px;
  background: var(--bg-recessed);
  color: var(--text-secondary);
  flex-shrink: 0;
}

.lang-option:hover,
.lang-option.active {
  background-color: var(--brand-primary-soft);
  color: var(--brand-primary-hover);
  font-weight: 700;
}

.lang-option.active .lang-option-code {
  background-color: var(--brand-primary);
  color: #FFFFFF;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.65rem 1.2rem;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background-color 0.16s ease, border-color 0.16s ease, color 0.16s ease, transform 0.16s ease, box-shadow 0.16s ease;
  text-align: center;
  line-height: 1.25;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--accent-amber);
  color: #FFFFFF;
  border-color: var(--accent-amber);
}

.btn-primary:hover {
  background-color: var(--accent-amber-hover);
  border-color: var(--accent-amber-hover);
  color: #FFFFFF;
  box-shadow: var(--shadow-sm);
}

.btn-blue {
  background-color: var(--brand-primary);
  color: #FFFFFF;
  border-color: var(--brand-primary);
}

.btn-blue:hover {
  background-color: var(--brand-primary-hover);
  border-color: var(--brand-primary-hover);
  color: #FFFFFF;
}

.btn-outline {
  background-color: var(--bg-card);
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.btn-outline:hover {
  border-color: var(--brand-primary);
  color: var(--brand-primary-hover);
  background-color: var(--brand-primary-soft);
}

.btn-whatsapp {
  background-color: #15803D;
  color: #FFFFFF;
  border-color: #15803D;
}

.btn-whatsapp:hover {
  background-color: #166534;
  color: #FFFFFF;
}

.btn-sm {
  padding: 0.44rem 0.85rem;
  font-size: 0.8125rem;
  block-size: 2.4rem;
}

.btn-lg {
  padding: 0.78rem 1.35rem;
  font-size: 0.95rem;
}

.btn-block {
  inline-size: 100%;
}

.btn-text {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--brand-primary);
  padding: 0.35rem 0.15rem;
}

.btn-text:hover {
  color: var(--brand-primary-hover);
  text-decoration: underline;
}

.icon-btn {
  display: inline-grid;
  place-items: center;
  inline-size: 2.4rem;
  block-size: 2.4rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  background: var(--bg-card);
  color: var(--text-primary);
  cursor: pointer;
  padding: 0;
}

.icon-btn:hover {
  border-color: var(--brand-primary);
  color: var(--brand-primary);
}

/* ==========================================================================
   2. Hero Workbench (Asymmetric 7:5 Split + Die-Cut Specification Plate)
   ========================================================================== */
.hero-section {
  background:
    radial-gradient(circle at 86% 18%, rgba(20, 108, 148, 0.09), transparent 46%),
    linear-gradient(180deg, #FFFFFF 0%, var(--bg-canvas) 100%);
  border-block-end: 1px solid var(--border-subtle);
  padding-block: clamp(2rem, 4.5vw, 3.85rem);
}

.hero-grid {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: clamp(1.5rem, 3.2vw, 3rem);
  align-items: center;
}

.eyebrow-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.26rem 0.68rem;
  background-color: var(--brand-primary-soft);
  color: var(--brand-primary-hover);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 700;
  margin-block-end: 0.85rem;
}

.hero-title {
  font-family: var(--font-display);
  font-size-adjust: from-font;
  font-size: clamp(1.85rem, 3.1vw + 0.35rem, 2.95rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.025em;
  color: var(--bg-dark);
  margin: 0 0 1rem 0;
  max-inline-size: 24ch;
}

.hero-subtitle {
  font-size: clamp(0.98rem, 1.08vw, 1.12rem);
  color: var(--text-secondary);
  margin: 0 0 1.45rem 0;
  max-inline-size: 64ch;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem;
  margin-block-end: 1.75rem;
}

.hero-cta-secondary {
  display: contents;
}

.hero-stats-bar {
  margin: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-block-start: 3px solid var(--bg-dark);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xs);
  overflow: hidden;
}

.hero-stat-cell {
  padding: 0.85rem 0.95rem;
  border-inline-end: 1px solid var(--border-subtle);
}

.hero-stat-cell:last-child {
  border-inline-end: none;
}

.hero-stat-val {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--bg-dark);
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
}

.hero-stat-label {
  font-size: 0.76rem;
  color: var(--text-secondary);
  font-weight: 600;
  margin-block-start: 0.18rem;
}

/* Right Column: Die-Cut Specification Label Card */
.hero-showcase-card {
  margin: 0;
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 1.15rem;
  box-shadow: var(--shadow-md);
  position: relative;
}

.showcase-header,
.label-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  border-block-end: 1px dashed var(--border-strong);
  padding-block-end: 0.7rem;
  margin-block-end: 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
}

.showcase-model-tag {
  background: var(--bg-dark);
  color: #fff;
  padding: 0.22rem 0.6rem;
  border-radius: var(--radius-sm);
  font-weight: 700;
  white-space: nowrap;
}

.showcase-accuracy-tag {
  background: var(--accent-amber-soft);
  color: var(--accent-amber-hover);
  padding: 0.22rem 0.6rem;
  border-radius: var(--radius-sm);
  font-weight: 700;
  white-space: nowrap;
}

.label-barcode {
  color: var(--bg-dark);
  opacity: 0.78;
  block-size: 18px;
  inline-size: auto;
  flex-shrink: 1;
}

.showcase-img-wrap {
  background:
    radial-gradient(circle at 50% 50%, #FFFFFF 40%, #F4F7FA 100%);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.65rem;
  display: grid;
  place-items: center;
  min-block-size: 280px;
}

.showcase-img-wrap img {
  max-block-size: 290px;
  inline-size: auto;
  object-fit: contain;
}

.showcase-spec-strip {
  margin: 0.85rem 0 0 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  padding-block-start: 0.8rem;
  border-block-start: 1px solid var(--border-subtle);
  font-size: 0.78rem;
}

.showcase-spec-item strong,
.showcase-spec-item dt {
  display: block;
  color: var(--text-muted);
  font-size: 0.69rem;
  font-weight: 600;
}

.showcase-spec-item span,
.showcase-spec-item dd {
  margin: 0.1rem 0 0 0;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
}

/* ==========================================================================
   3. Interactive Container-to-Machine Finder Bar
   ========================================================================== */
.finder-section {
  padding-block: clamp(2.25rem, 4vw, 3.5rem);
  background-color: var(--bg-card);
  border-block-end: 1px solid var(--border-subtle);
}

.section-header {
  margin-block-end: 1.5rem;
}

.section-header-split {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
}

.section-title {
  font-family: var(--font-display);
  font-size-adjust: from-font;
  font-size: clamp(1.4rem, 2.1vw, 2.05rem);
  font-weight: 800;
  color: var(--bg-dark);
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin: 0 0 0.4rem 0;
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 0.96rem;
  margin: 0;
  max-inline-size: 70ch;
}

.finder-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-block-end: 1.5rem;
}

.finder-pill {
  padding: 0.5rem 0.95rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--bg-canvas);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.83rem;
  font-weight: 650;
  cursor: pointer;
  transition: all 0.15s ease;
}

.finder-pill:hover,
.finder-pill.active {
  background: var(--bg-dark);
  color: #FFFFFF;
  border-color: var(--bg-dark);
}

/* ==========================================================================
   4. Die-Cut Specification Cards & Product / Series Grid
   ========================================================================== */
.section-block {
  padding-block: clamp(2.5rem, 4.8vw, 4.25rem);
  border-block-end: 1px solid var(--border-subtle);
}

.section-block.bg-white {
  background-color: var(--bg-card);
}

.section-block.bg-dark {
  background-color: var(--bg-dark);
  color: var(--text-on-dark);
}

.section-block.bg-dark .section-title {
  color: #FFFFFF;
}

.section-block.bg-dark .section-subtitle {
  color: var(--text-on-dark-muted);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 330px), 1fr));
  gap: 1.2rem;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 270px), 1fr));
  gap: 1.1rem;
}

.hero-grid > *,
.grid-3 > *,
.grid-4 > *,
.step-grid > *,
.footer-grid > * {
  min-inline-size: 0;
}

/* Product Card */
.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
}

.product-card:hover {
  border-color: var(--brand-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.product-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.6rem 0.95rem;
  background: var(--bg-recessed);
  border-block-end: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.model-badge {
  background: var(--bg-dark);
  color: #FFFFFF;
  padding: 0.16rem 0.52rem;
  border-radius: 4px;
  font-weight: 700;
  font-family: var(--font-mono);
}

.accuracy-badge {
  color: var(--brand-primary-hover);
  font-weight: 700;
  font-family: var(--font-mono);
}

.product-card-media {
  background: #FFFFFF;
  padding: 0.85rem;
  block-size: 215px;
  display: grid;
  place-items: center;
  border-block-end: 1px solid var(--border-subtle);
  overflow: hidden;
}

.product-card-media img {
  max-block-size: 190px;
  inline-size: auto;
  object-fit: contain;
}

.product-card-body {
  padding: 1.1rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.product-card-title {
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 750;
  color: var(--bg-dark);
  margin: 0 0 0.45rem 0;
  line-height: 1.34;
}

.product-card-title a {
  color: inherit;
}

.product-card-title a:hover {
  color: var(--brand-primary);
}

.product-card-summary {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin: 0 0 0.95rem 0;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-card-specs {
  margin: 0 0 0.95rem 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  padding: 0.6rem 0.7rem;
  background: var(--bg-canvas);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
}

.product-card-specs div {
  min-inline-size: 0;
}

.product-card-specs div strong,
.product-card-specs dt {
  display: block;
  color: var(--text-muted);
  font-size: 0.67rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.product-card-specs div span,
.product-card-specs dd {
  margin: 0.1rem 0 0 0;
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.product-card-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}

/* Category Series Card */
.series-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-inline-start: 3px solid var(--brand-primary);
  border-radius: var(--radius-md);
  padding: 1.2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: border-color 0.16s ease, box-shadow 0.16s ease;
}

.series-card:hover {
  border-color: var(--brand-primary);
  box-shadow: var(--shadow-sm);
}

.series-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-block-end: 0.65rem;
}

.series-code {
  font-family: var(--font-mono);
  font-size: 0.73rem;
  font-weight: 700;
  color: var(--brand-primary-hover);
  background: var(--brand-primary-soft);
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
}

/* ==========================================================================
   5. Modern Web Guidance: Responsive Specification Table (@container)
   ========================================================================== */
.table-wrapper {
  overflow: auto;
  max-inline-size: 100%;
  max-block-size: min(560px, 82vh);
  container-type: inline-size;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  background: var(--bg-card);
  box-shadow: var(--shadow-xs);
}

.table-wrapper:focus {
  outline: 2px solid var(--brand-primary);
  outline-offset: 2px;
}

.spec-table {
  inline-size: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 0.89rem;
}

.spec-table caption {
  text-align: start;
  padding: 0.85rem 1.1rem;
  font-family: var(--font-display);
  font-weight: 750;
  color: var(--bg-dark);
  background: var(--bg-recessed);
  border-block-end: 1px solid var(--border-subtle);
}

.spec-table thead {
  position: sticky;
  inset-block-start: 0;
  z-index: 1;
}

.spec-table thead th {
  background: var(--bg-dark);
  color: #FFFFFF;
  text-align: start;
  padding: 0.75rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  border-block-end: 1px solid var(--border-strong);
}

.spec-table tbody th {
  position: sticky;
  inset-inline-start: 0;
  background: #F8FAFC;
  color: var(--bg-dark);
  text-align: start;
  padding: 0.75rem 1rem;
  font-weight: 700;
  border-block-end: 1px solid var(--border-subtle);
  border-inline-end: 1px solid var(--border-subtle);
  min-inline-size: 185px;
}

.spec-table tbody td {
  padding: 0.75rem 1rem;
  border-block-end: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
}

.spec-table tbody tr:hover td {
  background-color: #F4F9FC;
}

@container (width < 600px) {
  .spec-table,
  .spec-table thead,
  .spec-table tbody,
  .spec-table tr,
  .spec-table th,
  .spec-table td {
    display: block;
  }

  .spec-table thead {
    /* MANDATORY: Hide column header from layout and screen readers. */
    display: none;
  }

  .spec-table tr {
    margin-block-end: 0.85rem;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    overflow: hidden;
  }

  .spec-table tbody th {
    position: sticky;
    inset-block-start: 0;
    z-index: 2;
    background: var(--bg-recessed);
    border-inline-end: none;
  }

  .spec-table {
    --label-2: "Specification";
    --label-3: "Engineering Note";
  }

  .spec-table td:nth-child(2)::before {
    content: var(--label-2) ": ";
    font-weight: 700;
    color: var(--text-secondary);
  }

  .spec-table td:nth-child(3)::before {
    content: var(--label-3) ": ";
    font-weight: 700;
    color: var(--text-secondary);
  }
}

/* ==========================================================================
   6. Buyer Task Cards, 8-Step Customization Workflow & 5 Questions
   ========================================================================== */
.buyer-task-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-block-start: 4px solid var(--brand-primary);
  border-radius: var(--radius-md);
  padding: 1.35rem;
  box-shadow: var(--shadow-xs);
}

.buyer-task-card:nth-child(2) {
  border-block-start-color: var(--accent-amber);
}

.buyer-task-card:nth-child(3) {
  border-block-start-color: var(--status-success);
}

.step-grid {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 260px), 1fr));
  gap: 1rem;
}

.step-card {
  background: var(--bg-dark-elevated);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  padding: 1.2rem;
}

.step-num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 800;
  color: var(--accent-amber);
  margin-block-end: 0.35rem;
  display: block;
}

.step-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: #FFFFFF;
  margin: 0 0 0.35rem 0;
}

.step-desc {
  font-size: 0.84rem;
  color: var(--text-on-dark-muted);
  margin: 0;
}

.faq-list {
  display: grid;
  gap: 0.8rem;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.1rem 1.3rem;
}

.faq-q {
  font-family: var(--font-display);
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--bg-dark);
  margin: 0 0 0.4rem 0;
}

.faq-a {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin: 0;
}

/* ==========================================================================
   7. RFQ Selection Inquiry Form & Dual Conversion Zone
   ========================================================================== */
.rfq-panel {
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-block-start: 4px solid var(--brand-primary);
  border-radius: var(--radius-lg);
  padding: clamp(1.35rem, 3vw, 2.35rem);
  box-shadow: var(--shadow-md);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
  gap: 0.95rem;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.32rem;
}

.form-field.full-width {
  grid-column: 1 / -1;
}

.form-field label {
  font-size: 0.81rem;
  font-weight: 700;
  color: var(--text-primary);
}

.form-field input,
.form-field select,
.form-field textarea {
  padding: 0.65rem 0.82rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  font-family: inherit;
  /* 16px on mobile prevents iOS/WeChat auto-zoom on input focus */
  font-size: max(16px, 0.92rem);
  color: var(--text-primary);
  background: #FFFFFF;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: 2px solid var(--brand-primary);
  border-color: var(--brand-primary);
}

.form-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.35;
}

.error-msg {
  display: none;
  font-size: 0.77rem;
  font-weight: 600;
  color: var(--status-danger);
  margin-block-start: 0.12rem;
}

.form-field input:user-invalid,
.form-field textarea:user-invalid,
.form-field select:user-invalid,
.form-field input.is-invalid,
.form-field textarea.is-invalid,
.form-field select.is-invalid {
  border-color: var(--status-danger);
  background-color: #FEF2F2;
}

.form-field input:user-valid,
.form-field textarea:user-valid,
.form-field input.is-valid,
.form-field textarea.is-valid {
  border-color: var(--status-success);
}

.form-field input:user-invalid + .error-msg,
.form-field textarea:user-invalid + .error-msg,
.form-field input.is-invalid + .error-msg,
.form-field textarea.is-invalid + .error-msg {
  display: block;
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.72rem 0.85rem;
  background: var(--accent-amber-soft);
  border: 1px solid rgba(217, 107, 22, 0.35);
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.87rem;
  cursor: pointer;
}

/* ==========================================================================
   8. Modern Web Guidance: Modal Dialog with Light-Dismiss & Top-Layer Animation
   ========================================================================== */
dialog.hlt-modal {
  inline-size: min(680px, 92vw);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 0;
  background: var(--bg-card);
  color: var(--text-primary);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  transform: scale(0.95);
  /* MANDATORY (animate-to-from-top-layer): transition display and overlay for top-layer elements */
  transition-property: opacity, transform, display, overlay;
  transition-duration: 0.24s;
  transition-timing-function: ease-out;
  transition-behavior: allow-discrete;
}

dialog.hlt-modal::backdrop {
  background-color: rgba(12, 29, 46, 0);
  backdrop-filter: blur(3px);
  transition-property: background-color, display, overlay;
  transition-duration: 0.24s;
  transition-timing-function: ease-out;
  transition-behavior: allow-discrete;
}

:is(dialog.hlt-modal[open]):where(:not([data-closing])) {
  opacity: 1;
  transform: scale(1);

  @starting-style {
    opacity: 0;
    transform: scale(0.95);
  }

  &::backdrop {
    background-color: rgba(12, 29, 46, 0.62);

    @starting-style {
      background-color: rgba(12, 29, 46, 0);
    }
  }
}

@media (prefers-reduced-motion: reduce) {
  dialog.hlt-modal {
    transform: none;
    transition-duration: 0.1s;
  }

  @starting-style {
    :is(dialog.hlt-modal[open]):where(:not([data-closing])) {
      transform: none;
    }
  }
}

.modal-inner {
  padding: 1.4rem;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  border-block-end: 1px solid var(--border-subtle);
  padding-block-end: 0.8rem;
  margin-block-end: 1.1rem;
}

/* ==========================================================================
   9. Breadcrumbs, GEO Citation Box, WeChat Toast & Footer
   ========================================================================== */
.breadcrumb-bar {
  background: var(--bg-recessed);
  border-block-end: 1px solid var(--border-subtle);
  padding-block: 0.6rem;
  font-size: 0.81rem;
}

.breadcrumb-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
}

.breadcrumb-list li + li::before {
  content: "/";
  margin-inline-end: 0.4rem;
  color: var(--text-muted);
}

.geo-answer-box {
  background: #EFF8FC;
  border-inline-start: 4px solid var(--brand-primary);
  border-radius: var(--radius-sm);
  padding: 1.15rem 1.35rem;
  margin-block: 1.15rem;
}

.geo-answer-tag {
  font-family: var(--font-mono);
  font-size: 0.73rem;
  font-weight: 800;
  color: var(--brand-primary-hover);
  margin-block-end: 0.3rem;
  display: block;
}

.site-footer {
  background-color: var(--bg-dark);
  color: var(--text-on-dark-muted);
  padding-block: 3.25rem 2rem;
  font-size: 0.87rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.45fr 1fr 1.25fr 1.2fr;
  gap: 2rem;
  padding-block-end: 2.25rem;
  border-block-end: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-title {
  color: #FFFFFF;
  font-family: var(--font-display);
  font-size: 0.96rem;
  font-weight: 750;
  margin: 0 0 0.9rem 0;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.45rem;
}

.footer-links a {
  color: var(--text-on-dark-muted);
}

.footer-links a:hover {
  color: #FFFFFF;
}

.footer-bottom {
  padding-block-start: 1.4rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.85rem;
  font-size: 0.79rem;
}

/* Floating Action Dock (Desktop Floating + Mobile Safe-Area Bottom Bar) */
.floating-dock {
  position: fixed;
  inset-block-end: 1.2rem;
  inset-inline-end: 1.2rem;
  z-index: 90;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.floating-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.65rem 1.05rem;
  min-block-size: 44px;
  border-radius: 999px;
  font-family: inherit;
  font-size: 0.83rem;
  font-weight: 700;
  box-shadow: var(--shadow-md);
  color: #FFFFFF;
  border: none;
  cursor: pointer;
  white-space: nowrap;
}

.floating-btn:hover {
  color: #FFFFFF;
  transform: translateY(-1px);
}

.floating-btn.dock-wa {
  background-color: #15803D;
}

.floating-btn.dock-wx {
  background-color: #07C160;
}

.floating-btn.dock-quote {
  background-color: var(--accent-amber);
}

/* WeChat ID Copy Toast Notification */
.hlt-toast {
  position: fixed;
  inset-block-end: 5.2rem;
  inset-inline: 1rem;
  max-inline-size: 420px;
  margin-inline: auto;
  background: var(--bg-dark);
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-md);
  padding: 0.8rem 1rem;
  box-shadow: var(--shadow-lg);
  font-size: 0.85rem;
  font-weight: 600;
  z-index: 500;
  text-align: center;
}

/* ==========================================================================
   10. Modern Web Guidance: Swipeable Mobile Navigation Drawer (navigation-drawer)
   ========================================================================== */
.mobile-menu-trigger {
  display: none;
  inline-size: 2.4rem;
  block-size: 2.4rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  color: var(--bg-dark);
  cursor: pointer;
  place-items: center;
  padding: 0;
  flex-shrink: 0;
}

.mobile-menu-trigger:hover {
  border-color: var(--brand-primary);
  color: var(--brand-primary);
}

.Drawer {
  --drawer-width: min(21rem, 84dvw);
  --drawer-backdrop: 0;
  position: fixed;
  inset: 0;
  inline-size: 100%;
  block-size: 100%;
  max-inline-size: none;
  max-block-size: none;
  margin: 0;
  padding: 0;
  background: rgba(12, 29, 46, calc(var(--drawer-backdrop) * 0.56));
  border: 0;
  overflow: visible;
  z-index: 400;
}

.Drawer::backdrop {
  background: #0C1D2E;
  opacity: calc(var(--drawer-backdrop) * 0.56);
}

/* MANDATORY (animate-to-from-top-layer): Combine :popover-open and .\:popover-open with :is() */
.Drawer:is(:popover-open, .\:popover-open),
.Drawer.is-open {
  display: block;
}

.Drawer-scroller {
  position: relative;
   inline-size: 100%;
  block-size: 100%;
  display: flex;
  flex-direction: row-reverse;
  overflow-x: scroll;
  overscroll-behavior: none;
  scrollbar-width: none;
  scroll-snap-type: x mandatory;
}

.Drawer-scroller::-webkit-scrollbar {
  display: none;
}

@media (prefers-reduced-motion: no-preference) {
  .Drawer-scroller {
    scroll-behavior: smooth;
  }
}

.Drawer-SkipTarget {
  inline-size: 100vw;
  block-size: 100%;
  flex-shrink: 0;
  scroll-snap-align: end;
  scroll-initial-target: nearest;
}

.Drawer-sheet {
  inline-size: var(--drawer-width);
  /* Use svh (not vh or dvh) so sheet height does not jump when mobile address bar resizes */
  block-size: 100svh;
  flex-shrink: 0;
  scroll-snap-align: start;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-width: none;
  background: var(--bg-card);
  color: var(--text-primary);
  border-inline-start: 1px solid var(--border-strong);
  box-shadow: var(--shadow-lg);
  padding: 1.1rem 1.1rem calc(1.1rem + env(safe-area-inset-bottom, 0px));
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* MANDATORY (navigation-drawer): Gate scroll-driven animation in @supports */
@supports (animation-timeline: scroll()) {
  @property --drawer-backdrop {
    syntax: '<number>';
    inherits: true;
    initial-value: 0;
  }

  .Drawer {
    timeline-scope: --drawer-fade;
    animation: fade-drawer-backdrop linear both;
    animation-timeline: --drawer-fade;
  }

  .Drawer-scroller {
    scroll-timeline: --drawer-fade x;
  }

  @keyframes fade-drawer-backdrop {
    0% { --drawer-backdrop: 0; }
    100% { --drawer-backdrop: 1; }
  }
}

.drawer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block-end: 0.7rem;
  border-block-end: 1px solid var(--border-subtle);
}

.drawer-nav {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.drawer-nav-link {
  display: flex;
  align-items: center;
  min-block-size: 44px;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-weight: 650;
  font-size: 0.93rem;
}

.drawer-nav-link:hover,
.drawer-nav-link.active {
  background: var(--brand-primary-soft);
  color: var(--brand-primary-hover);
}

.drawer-section {
  border-block-start: 1px solid var(--border-subtle);
  padding-block-start: 0.8rem;
}

.drawer-section-label {
  font-family: var(--font-mono);
  font-size: 0.73rem;
  font-weight: 700;
  color: var(--text-secondary);
  margin-block-end: 0.45rem;
}

.drawer-lang-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.28rem;
}

.drawer-cta-stack {
  margin-block-start: auto;
  padding-block-start: 0.8rem;
  border-block-start: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

/* ==========================================================================
   11. Responsive Breakpoints — Tablet, Mobile & WeChat In-App Browser
   ========================================================================== */
@media (max-width: 1120px) {
  .main-nav,
  .header-quote-btn {
    display: none;
  }

  .mobile-menu-trigger {
    display: inline-grid;
  }

  .hero-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  body {
    padding-block-end: calc(4.35rem + env(safe-area-inset-bottom, 0px));
  }

  /* Compact single-line utility bar on mobile & WeChat */
  .utility-bar {
    font-size: 0.72rem;
    padding-block: 0.32rem;
  }

  .utility-bar-inner {
    gap: 0.5rem;
  }

  .utility-contacts {
    gap: 0.65rem;
  }

  .utility-contacts a:nth-child(2),
  .utility-contacts a:nth-child(3) {
    display: none;
  }

  /* Zero-overflow mobile header (fits 320px–430px phones cleanly) */
  .header-inner {
    block-size: 3.65rem;
    gap: 0.45rem;
  }

  .brand-logo {
    gap: 0.5rem;
    flex: 1 1 auto;
    min-inline-size: 0;
  }

  .brand-mark-svg,
  .brand-mark {
    inline-size: 2.15rem;
    block-size: 2.15rem;
    font-size: 0.82rem;
  }

  .brand-name {
    font-size: 0.9rem;
  }

  .brand-sub {
    font-size: 0.61rem;
  }

  .header-actions {
    gap: 0.38rem;
  }

  .lang-switcher summary {
    block-size: 2.25rem;
    padding-inline: 0.5rem;
    font-size: 0.75rem;
  }

  .lang-native {
    display: none;
  }

  .mobile-menu-trigger {
    inline-size: 2.25rem;
    block-size: 2.25rem;
  }

  /* Mobile Hero: compact CTAs so machine showcase stays visible without excessive scrolling */
  .hero-section {
    padding-block: 1.25rem 1.85rem;
  }

  .eyebrow-badge {
    font-size: 0.69rem;
    padding: 0.22rem 0.55rem;
    margin-block-end: 0.65rem;
    max-inline-size: 100%;
    white-space: normal;
  }

  .hero-title {
    font-size: clamp(1.5rem, 5.8vw, 2.05rem);
    line-height: 1.16;
    margin-block-end: 0.75rem;
  }

  .hero-subtitle {
    font-size: 0.92rem;
    line-height: 1.52;
    margin-block-end: 1.1rem;
  }

  .hero-cta-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
    margin-block-end: 1.25rem;
  }

  .hero-cta-group > :first-child {
    grid-column: 1 / -1;
  }

  .hero-cta-group .btn {
    inline-size: 100%;
    min-block-size: 44px;
    padding: 0.6rem 0.75rem;
    font-size: 0.83rem;
    white-space: normal;
  }

  .hero-stats-bar {
    grid-template-columns: 1fr 1fr;
  }

  .hero-stat-cell {
    padding: 0.7rem 0.8rem;
  }

  .hero-stat-cell:nth-child(2) {
    border-inline-end: none;
  }

  .hero-stat-cell:nth-child(1),
  .hero-stat-cell:nth-child(2) {
    border-block-end: 1px solid var(--border-subtle);
  }

  .hero-stat-val {
    font-size: 1.15rem;
  }

  .hero-showcase-card {
    padding: 0.95rem;
  }

  .showcase-header {
    font-size: 0.69rem;
    gap: 0.35rem;
  }

  .showcase-model-tag,
  .showcase-accuracy-tag {
    padding: 0.18rem 0.45rem;
  }

  .showcase-img-wrap {
    min-block-size: 200px;
  }

  .showcase-img-wrap img {
    max-block-size: 195px;
  }

  .label-barcode {
    display: none;
  }

  .showcase-spec-strip {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }

  .showcase-spec-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.5rem;
  }

  /* Horizontal swipeable filter pills Contained inside viewport */
  .finder-pills {
    flex-wrap: nowrap;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-block-end: 0.3rem;
    max-inline-size: 100%;
  }

  .finder-pills::-webkit-scrollbar {
    display: none;
  }

  .finder-pill {
    flex-shrink: 0;
    scroll-snap-align: start;
    min-block-size: 40px;
    white-space: nowrap;
  }

  .grid-3,
  .grid-4,
  .step-grid,
  .form-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .product-card-actions .btn {
    min-block-size: 42px;
  }

  .rfq-panel {
    padding: 1.15rem;
  }

  dialog.hlt-modal {
    inline-size: 95vw;
    max-block-size: 90dvh;
  }

  .modal-inner {
    padding: 1.05rem;
  }

  /* Thumb-Friendly Mobile & WeChat Bottom Action Bar */
  .floating-dock {
    inset-inline: 0;
    inset-block-end: 0;
    flex-direction: row;
    display: grid;
    grid-template-columns: 1fr 1fr 1.15fr;
    gap: 0.45rem;
    padding: 0.5rem 0.65rem calc(0.5rem + env(safe-area-inset-bottom, 0px));
    background: rgba(12, 29, 46, 0.96);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-block-start: 1px solid rgba(255, 255, 255, 0.14);
    box-shadow: 0 -4px 20px rgba(12, 29, 46, 0.24);
  }

  .floating-btn {
    border-radius: var(--radius-sm);
    inline-size: 100%;
    min-block-size: 42px;
    font-size: 0.78rem;
    padding: 0.45rem 0.5rem;
  }
}

@media (max-width: 375px) {
  .brand-sub {
    display: none;
  }

  .floating-dock {
    grid-template-columns: 1fr 1fr;
  }

  .floating-btn.dock-wx {
    display: none;
  }
}