/* ═══════════════════════════════════════════════════════════════
   HOWIN OFFICIAL WEBSITE — Design System v3.0
   Inspired by: Luxury Minimalism × Editorial Beauty
   Fonts: Cormorant Garamond (Heading) + Inter (Body)
   ═══════════════════════════════════════════════════════════════ */

/* ── Google Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;1,300&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Inter:ital,opsz,wght@0,14..32,100..900;1,14..32,100..900&display=swap');

/* ── CSS Custom Properties ── */
:root {
  /* Warm Minimal Colors — Brief v3.0 */
  --color-black:       #1A1A1A;
  --color-white:       #FAFAFA;
  --color-gray-50:     #F5F1ED;
  --color-gray-100:    #E8E5E1;
  --color-gray-200:    #D9D5D0;
  --color-gray-400:    #B0AEA8;
  --color-gray-500:    #8C8C8C;
  --color-gray-600:    #6B6B6B;
  --color-accent:      #7A9A7E;
  --color-accent-dark: #4A6741;
  --color-accent-light:#E8EFE9;
  --color-warm-dark:   #2C2A29;
  --color-champagne:   #C8A882;
  --color-red:         #FF3B30;

  /* Gradients */
  --gradient-hero:     linear-gradient(180deg, #FAFAFA 0%, #F5F1ED 100%);
  --gradient-card:     linear-gradient(135deg, #F5F1ED 0%, #E8E5E1 100%);

  /* Typography */
  --font-heading: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  --font-sans:    'Inter', -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', 'Helvetica Neue', 'Segoe UI', sans-serif;

  /* Spacing — 8px grid */
  --space-3xs: 4px;
  --space-2xs: 8px;
  --space-xs:  16px;
  --space-sm:  24px;
  --space-md:  32px;
  --space-lg:  48px;
  --space-xl:  64px;
  --space-2xl: 80px;
  --space-3xl: 120px;

  /* Border Radius */
  --radius-sm:   8px;
  --radius-md:   12px;
  --radius-lg:   18px;
  --radius-xl:   24px;
  --radius-full: 980px;

  /* Shadows — v3.0 refined */
  --shadow-sm:   0px 2px 8px rgba(0,0,0,0.04);
  --shadow-md:   0px 8px 24px rgba(0,0,0,0.08);
  --shadow-lg:   0px 16px 48px rgba(0,0,0,0.12);
  --shadow-xl:   0px 24px 64px rgba(0,0,0,0.16);

  /* Transitions */
  --ease-apple:   cubic-bezier(0.4, 0, 0.2, 1);
  --ease-spring:  cubic-bezier(0.22, 0.72, 0, 0.96);
  --duration-fast:  150ms;
  --duration-base:  300ms;
  --duration-slow:  500ms;

  /* Layout */
  --header-height: 80px;
  --header-height-mobile: 64px;
  --max-width: 1024px;
}

/* ── Reset & Base ── */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 17px;
  line-height: 1.47059;
  color: var(--color-black);
  background-color: var(--color-white);
  overflow-x: hidden;
  letter-spacing: -0.022em;
}

img { max-width: 100%; height: auto; display: block; }

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-apple);
}
a:hover { color: var(--color-accent-dark); }

ul { list-style: none; }

button {
  cursor: pointer;
  border: none;
  font-family: var(--font-sans);
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-sm);
}

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); border: 0;
}

/* ── Typography Utilities ── */
.h1 {
  font-family: var(--font-heading);
  font-weight: 300;
  font-size: clamp(3rem, 6vw, 4.5rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
}
.h2 {
  font-family: var(--font-heading);
  font-weight: 300;
  font-size: clamp(2.25rem, 4vw, 3rem);
  line-height: 1.1;
  letter-spacing: -0.025em;
}
.h3 {
  font-family: var(--font-heading);
  font-weight: 400;
  font-size: clamp(1.25rem, 2vw, 1.75rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
}
.h4 {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.body-l {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 1.25rem;
  line-height: 1.5;
  letter-spacing: -0.015em;
}
.body {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 1.0625rem;
  line-height: 1.5;
}
.caption {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}
.text-gray { color: var(--color-gray-500); }

/* ── Buttons — Apple Pill Style ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2xs);
  padding: 12px 28px;
  border-radius: var(--radius-full);
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  transition: all var(--duration-base) var(--ease-apple);
  white-space: nowrap;
  cursor: pointer;
}
.btn-primary {
  background-color: var(--color-accent);
  color: var(--color-white);
  border: none;
}
.btn-primary:hover {
  background-color: var(--color-accent-dark);
  color: var(--color-white);
}
.btn-secondary {
  background-color: transparent;
  color: var(--color-accent);
  border: 1.5px solid var(--color-accent);
}
.btn-secondary:hover {
  background-color: var(--color-accent);
  color: var(--color-white);
}
.btn-secondary-light {
  background-color: transparent;
  color: var(--color-white);
  border: 1.5px solid rgba(255,255,255,0.5);
}
.btn-secondary-light:hover {
  background-color: var(--color-white);
  color: var(--color-black);
  border-color: var(--color-white);
}
.btn-lg {
  padding: 16px 36px;
  font-size: 1.0625rem;
  min-width: 200px;
}

/* ── Tag / Label ── */
.tag {
  display: inline-block;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: var(--space-xs);
}
.tag-light { color: var(--color-champagne); }

/* ── Section ── */
.section { padding: var(--space-3xl) 0; }
.section-label { text-align: center; margin-bottom: var(--space-xs); }
.section-header { text-align: center; max-width: 680px; margin: 0 auto var(--space-xl); }
.section-header .h2 { margin-bottom: var(--space-xs); }
.section-header .body-l { color: var(--color-gray-500); }

/* ═══════════════ GLOBAL HEADER — Apple-Style Left Logo ═══════════════ */

.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  height: var(--header-height);
  display: flex; align-items: center;
  background: rgba(250,250,250,0.72);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  transition: background var(--duration-base) var(--ease-apple);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  width: 100%; height: 100%;
  gap: var(--space-2xl);
}

.header-logo {
  display: flex; align-items: center;
  flex-shrink: 0;
}
.header-logo .logo-img {
  height: 28px; width: auto; display: block;
}
.header-logo .logo-light { display: none; }
.header-logo .logo-dark { display: none; }

.header-nav {
  display: flex; align-items: center; gap: var(--space-xl);
  flex: 1;
}
.header-nav a {
  font-family: var(--font-sans);
  font-weight: 400; font-size: 0.8125rem;
  letter-spacing: -0.01em;
  color: var(--color-gray-600);
  white-space: nowrap;
  transition: color var(--duration-fast) var(--ease-apple);
  text-decoration: none;
}
.header-nav a:hover,
.header-nav a.active { color: var(--color-black); }

.header-icons {
  display: flex; align-items: center; gap: var(--space-xs);
  flex-shrink: 0;
}
.header-icons a {
  display: flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; border-radius: 50%;
  color: var(--color-gray-500);
  transition: all var(--duration-fast) var(--ease-apple);
  font-size: 1.125rem;
}
.header-icons a:hover {
  background-color: rgba(0,0,0,0.04);
  color: var(--color-black);
}

/* Hamburger */
.hamburger {
  display: none; flex-direction: column; justify-content: center; gap: 5px;
  width: 24px; height: 24px; background: none; border: none; cursor: pointer; z-index: 1001;
}
.hamburger span {
  display: block; width: 100%; height: 2px;
  background-color: var(--color-black);
  border-radius: 1px;
  transition: all var(--duration-base) var(--ease-apple);
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Menu */
.mobile-menu {
  position: fixed; inset: 0; z-index: 999;
  background-color: rgba(29,29,31,0.97);
  backdrop-filter: blur(40px);
  -webkit-backdrop-filter: blur(40px);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: var(--space-md);
  opacity: 0; pointer-events: none;
  transition: opacity var(--duration-base) var(--ease-apple);
}
.mobile-menu.active { opacity: 1; pointer-events: all; }
.mobile-menu a {
  font-family: var(--font-sans); font-size: 2rem; font-weight: 600;
  color: var(--color-white); letter-spacing: -0.02em;
  transition: color var(--duration-fast) var(--ease-apple);
}
.mobile-menu a:hover { color: var(--color-accent); }

/* ═══════════════ HERO — Apple Light & Airy ═══════════════ */
.hero {
  position: relative; height: 100vh; min-height: 700px;
  display: flex; align-items: center; overflow: hidden;
  background: var(--gradient-hero);
}
.hero-bg { position: absolute; inset: 0; z-index: 1; }
.hero-bg .placeholder-img {
  width: 100%; height: 100%;
  background:
    radial-gradient(ellipse at 75% 50%, rgba(0,113,227,0.06) 0%, transparent 60%),
    radial-gradient(ellipse at 25% 30%, rgba(0,113,227,0.03) 0%, transparent 50%),
    var(--gradient-hero);
}
.hero-overlay { display: none; }

.hero-content {
  position: relative; z-index: 3; max-width: 640px;
  padding-top: var(--header-height);
}
.hero-content .tag {
  margin-bottom: var(--space-sm);
  color: var(--color-accent);
  animation: fadeUp 0.8s var(--ease-apple) 0.1s both;
}
.hero-content .h1 {
  color: var(--color-black);
  margin-bottom: var(--space-sm);
  animation: fadeUp 0.8s var(--ease-apple) 0.2s both;
}
.hero-content .body-l {
  color: var(--color-gray-500);
  margin-bottom: var(--space-md);
  max-width: 460px;
  animation: fadeUp 0.8s var(--ease-apple) 0.35s both;
}
.hero-buttons {
  display: flex; gap: var(--space-xs); flex-wrap: wrap;
  animation: fadeUp 0.8s var(--ease-apple) 0.5s both;
}
.hero-scroll-hint {
  position: absolute; bottom: var(--space-md); left: 50%; transform: translateX(-50%);
  z-index: 3; color: var(--color-champagne); opacity: 0.5;
  animation: floatDown 2s ease-in-out infinite;
  font-size: 1.25rem;
}

@keyframes floatDown {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%      { transform: translateX(-50%) translateY(10px); }
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(32px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ═══════════════ PRODUCT CATEGORY GRID ═══════════════ */
.products-section { background-color: var(--color-white); }
.category-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm); max-width: var(--max-width); margin: 0 auto;
  padding: 0 var(--space-sm);
}
.category-card {
  display: flex; flex-direction: column; border-radius: var(--radius-lg);
  overflow: hidden; background: var(--color-white);
  border: 1px solid var(--color-gray-100);
  transition: transform var(--duration-base) var(--ease-apple),
              box-shadow var(--duration-base) var(--ease-apple),
              border-color var(--duration-base) var(--ease-apple);
  text-decoration: none; color: inherit;
}
.category-card:hover {
  transform: translateY(-4px); box-shadow: var(--shadow-lg);
  border-color: var(--color-gray-200);
}
.category-card-img { aspect-ratio: 4 / 3; overflow: hidden; }
.category-placeholder {
  width: 100%; height: 100%; display: flex; align-items: center;
  justify-content: center; font-size: 2.5rem;
}
.category-card-body {
  padding: var(--space-sm) var(--space-md) var(--space-md);
  display: flex; flex-direction: column; gap: var(--space-3xs);
  position: relative;
}
.category-card-body .h3 {
  font-family: var(--font-sans); font-weight: 600; font-size: 1.125rem;
  letter-spacing: -0.01em;
}
.category-card-body p {
  font-size: 0.8125rem; color: var(--color-gray-500); line-height: 1.5;
}
.category-arrow {
  position: absolute; right: var(--space-md); top: 50%; transform: translateY(-50%);
  font-size: 1rem; color: var(--color-gray-300);
  transition: transform var(--duration-fast) var(--ease-apple), color var(--duration-fast) var(--ease-apple);
}
.category-card:hover .category-arrow {
  transform: translateY(-50%) translateX(4px); color: var(--color-accent);
}
/* 4 cards = perfect 2x2 grid */
@media (max-width: 1023px) {
  .category-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 639px) {
  .category-grid { grid-template-columns: 1fr; }
}



/* ═══════════════ CORE SERIES ═══════════════ */
.series-section { background-color: var(--color-gray-50); }
.horizontal-scroll {
  position: relative; max-width: var(--max-width); margin: 0 auto;
  padding: 0 var(--space-sm);
}
.scroll-track {
  display: flex; gap: var(--space-sm); overflow-x: auto;
  scroll-snap-type: x mandatory; -webkit-overflow-scrolling: touch;
  scrollbar-width: none; padding-bottom: var(--space-xs); padding-left: 2px;
}
.scroll-track::-webkit-scrollbar { display: none; }

.series-card {
  flex: 0 0 340px; scroll-snap-align: start;
  background: var(--color-white); border-radius: var(--radius-lg);
  overflow: hidden; box-shadow: var(--shadow-sm);
  transition: all var(--duration-base) var(--ease-apple);
}
.series-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.series-card-img {
  aspect-ratio: 16 / 9; background: var(--gradient-card);
  display: flex; align-items: center; justify-content: center;
  font-size: 2.5rem; color: var(--color-accent);
}
.series-card-body { padding: var(--space-sm); }
.series-card-body .tag {
  font-size: 0.6875rem; color: var(--color-accent); margin-bottom: var(--space-2xs);
}
.series-card-body .h3 { margin: var(--space-2xs) 0; font-size: 1.375rem; }
.series-card-body .body {
  color: var(--color-gray-500); font-size: 0.875rem; margin-bottom: var(--space-xs);
}
.series-specs { display: flex; gap: var(--space-2xs); flex-wrap: wrap; }
.series-spec {
  background-color: var(--color-gray-50); padding: 6px 14px;
  border-radius: var(--radius-full); font-size: 0.6875rem;
  font-weight: 600; letter-spacing: 0.04em; color: var(--color-gray-600);
}

.scroll-arrows { display: flex; justify-content: center; gap: var(--space-xs); margin-top: var(--space-sm); }
.scroll-arrow {
  width: 44px; height: 44px; border-radius: 50%;
  border: 1.5px solid var(--color-gray-200); background: var(--color-white);
  display: flex; align-items: center; justify-content: center; cursor: pointer;
  transition: all var(--duration-fast) var(--ease-apple);
  font-size: 1.125rem; color: var(--color-gray-600);
}
.scroll-arrow:hover {
  background: var(--color-accent); color: var(--color-white);
  border-color: var(--color-accent);
  box-shadow: 0px 2px 10px rgba(0,113,227,0.3);
}
.scroll-dots { display: flex; justify-content: center; gap: var(--space-2xs); margin-top: var(--space-sm); }
.scroll-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background-color: var(--color-gray-200);
  transition: all var(--duration-base) var(--ease-apple);
}
.scroll-dot.active { background-color: var(--color-accent); width: 24px; border-radius: var(--radius-full); }

/* ═══════════════ OEM TIMELINE ═══════════════ */
.oem-section { background-color: var(--color-white); }
.oem-grid {
  display: grid; grid-template-columns: 0.85fr 1.15fr; gap: var(--space-2xl);
  align-items: center; max-width: var(--max-width); margin: 0 auto;
  padding: 0 var(--space-sm);
}
.timeline {
  position: relative; padding-left: var(--space-sm);
  border-left: 2px solid var(--color-gray-100);
}
.timeline-item { position: relative; margin-bottom: var(--space-sm); }
.timeline-item:last-child { margin-bottom: 0; }
.timeline-dot {
  position: absolute; left: calc(-1 * (var(--space-lg) + 16px)); top: 2px;
  width: 32px; height: 32px; background-color: var(--color-accent);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  color: var(--color-white); font-weight: 600; font-size: 0.8125rem;
  box-shadow: 0px 2px 8px rgba(0,113,227,0.25);
}
.timeline-step {
  font-family: var(--font-sans); font-weight: 600; font-size: 0.6875rem;
  text-transform: uppercase; letter-spacing: 0.12em;
  color: var(--color-accent); margin-bottom: var(--space-3xs);
}
.timeline-title {
  font-family: var(--font-sans); font-weight: 600; font-size: 1.25rem;
  margin-bottom: var(--space-2xs); letter-spacing: -0.015em;
}
.timeline-desc { font-size: 0.9375rem; color: var(--color-gray-500); line-height: 1.55; }
.timeline-item-with-img {
  display: flex; gap: var(--space-md); align-items: flex-start;
}
.timeline-item-with-img .timeline-dot {
  margin-top: 0; flex-shrink: 0;
}
.timeline-img {
  flex-shrink: 0; width: 180px;
  border-radius: var(--radius-md); overflow: hidden;
}
.timeline-img img {
  width: 100%; height: auto; display: block;
}
.timeline-body {
  flex: 1; min-width: 0;
}

.oem-montage {
  display: grid; grid-template-columns: 1fr 1fr; grid-template-rows: 1fr 1fr;
  gap: var(--space-xs);
}
.oem-montage .montage-cell {
  aspect-ratio: 1 / 1; background: var(--color-gray-50);
  border-radius: var(--radius-lg); display: flex; align-items: center;
  justify-content: center; font-size: 1.5rem; color: var(--color-accent);
  transition: all var(--duration-base) var(--ease-apple);
}
.oem-montage .montage-cell:hover {
  background: var(--color-accent-light); transform: scale(1.04);
}
.montage-cell-img {
  overflow: hidden; padding: 0; aspect-ratio: 1 / 1;
  border-radius: inherit;
}
.montage-cell-img img {
  width: 100%; height: 100%; object-fit: cover; display: block;
}
/* ═══════════════ MANUFACTURING + R&D — Dark Section ═══════════════ */
.manufacturing-section { background-color: var(--color-warm-dark); color: var(--color-white); }
.manufacturing-section .section-label { color: var(--color-gray-400); }
.manufacturing-section .h2 { color: var(--color-white); }
.manufacturing-section .body-l { color: var(--color-gray-400); }

.tabs-container { max-width: var(--max-width); margin: 0 auto; padding: 0 var(--space-sm); }
.tab-nav {
  display: flex; justify-content: center; gap: var(--space-xl);
  margin-bottom: var(--space-xl); border-bottom: 1px solid rgba(255,255,255,0.08);
}
.tab-btn {
  background: none; border: none; font-family: var(--font-sans);
  font-size: 0.9375rem; font-weight: 500; letter-spacing: -0.01em;
  color: var(--color-gray-500); padding: var(--space-xs) 0;
  position: relative; transition: color var(--duration-fast) var(--ease-apple);
}
.tab-btn::after {
  content: ''; position: absolute; bottom: -1px; left: 0; right: 0;
  height: 2px; background-color: var(--color-accent);
  transform: scaleX(0); transition: transform var(--duration-base) var(--ease-apple);
}
.tab-btn.active { color: var(--color-white); }
.tab-btn.active::after { transform: scaleX(1); }
.tab-btn:hover { color: var(--color-white); }
.tab-panel { display: none; }
.tab-panel.active { display: block; animation: fadeUp 0.4s var(--ease-apple) both; }

.tab-content-grid {
  display: grid; grid-template-columns: 1.05fr 0.95fr; gap: var(--space-2xl);
  align-items: stretch;
}
.tab-image {
  aspect-ratio: 4 / 3; border-radius: var(--radius-lg);
  background: rgba(255,255,255,0.04); display: flex; align-items: center;
  justify-content: center; font-size: 3.5rem; color: rgba(255,255,255,0.08);
}
.check-list { display: flex; flex-direction: column; gap: var(--space-sm); }
.check-item { display: flex; align-items: flex-start; gap: var(--space-xs); }
.check-icon {
  flex-shrink: 0; width: 28px; height: 28px; border-radius: 50%;
  background-color: var(--color-accent); display: flex; align-items: center;
  justify-content: center; font-size: 0.75rem; margin-top: 1px; font-weight: 700;
}
.check-text h4 {
  font-family: var(--font-sans); font-weight: 600; font-size: 1.0625rem;
  margin-bottom: 2px; letter-spacing: -0.01em;
}
.check-text p { font-size: 0.875rem; color: rgba(255,255,255,0.55); line-height: 1.5; }

/* ── Manufacturing Layout ── */
.mfg-layout {
  display: grid; grid-template-columns: 0.85fr 1.15fr; gap: var(--space-2xl);
  align-items: center;
}
.mfg-image {
  border-radius: var(--radius-lg); overflow: hidden;
}
.mfg-image img {
  width: 100%; height: auto; display: block;
}

/* Left content */
.mfg-content {
  display: flex; flex-direction: column; gap: var(--space-md);
}
.mfg-tag {
  font-size: 0.6875rem; font-weight: 600; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--color-accent);
}
.mfg-title {
  font-family: var(--font-sans); font-weight: 300; font-size: 1.5rem;
  color: var(--color-white); letter-spacing: -0.01em; line-height: 1.25;
}

/* Numbered list */
.mfg-list {
  display: flex; flex-direction: column; gap: var(--space-sm);
}
.mfg-item {
  display: flex; align-items: flex-start; gap: var(--space-sm);
}
.mfg-num {
  flex-shrink: 0; width: 28px; height: 28px; border-radius: 50%;
  background: rgba(255,255,255,0.06); color: rgba(255,255,255,0.35);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.6875rem; font-weight: 600; letter-spacing: 0.05em;
}
.mfg-text h4 {
  font-family: var(--font-sans); font-weight: 600; font-size: 0.9375rem;
  margin-bottom: 1px; letter-spacing: -0.01em;
}
.mfg-text p {
  font-size: 0.8125rem; color: rgba(255,255,255,0.45); line-height: 1.5;
}
.mfg-cert-note {
  font-size: 0.75rem !important; color: rgba(255,255,255,0.25) !important;
  font-style: italic; margin-top: 2px;
}

/* 响应式 */
@media (max-width: 767px) {
  .mfg-layout { grid-template-columns: 1fr; gap: var(--space-lg); }
  .mfg-title { font-size: 1.25rem; }
}

/* ── Certificate Gallery ── */
.cert-gallery {
  margin-top: var(--space-xl);
}
.cert-label {
  font-family: var(--font-sans); font-weight: 500; font-size: 0.75rem;
  text-transform: uppercase; letter-spacing: 0.15em; text-align: center;
  color: var(--color-accent); margin-bottom: var(--space-sm);
}
.cert-scroll {
  display: flex; gap: var(--space-sm); overflow-x: auto;
  scroll-snap-type: x mandatory; -webkit-overflow-scrolling: touch;
  padding-bottom: 12px;
}
.cert-scroll::-webkit-scrollbar { height: 6px; }
.cert-scroll::-webkit-scrollbar-track { background: rgba(255,255,255,0.05); border-radius: 3px; }
.cert-scroll::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.25); border-radius: 3px; }
.cert-scroll::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.4); }
.cert-scroll {
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,0.25) rgba(255,255,255,0.05);
}
.cert-card {
  flex-shrink: 0; width: 216px; scroll-snap-align: start;
  aspect-ratio: 210 / 297; border-radius: var(--radius-sm);
  overflow: hidden; background: rgba(255,255,255,0.02);
  display: flex; flex-direction: column; align-items: center;
  justify-content: center; cursor: pointer; position: relative;
  transition: transform 0.25s var(--ease-apple), box-shadow 0.25s var(--ease-apple);
}
.cert-card:hover {
  transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,0,0,0.3);
}
.cert-card img {
  width: 100%; height: 100%; object-fit: contain; display: block;
}
.cert-name {
  position: absolute; bottom: 0; left: 0; right: 0;
  text-align: center; font-size: 0.625rem; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: rgba(255,255,255,0.7); background: rgba(0,0,0,0.4);
  padding: 3px 0; pointer-events: none;
}
.cert-card-placeholder {
  cursor: default; opacity: 0.25;
}
.cert-card-placeholder:hover {
  transform: none; box-shadow: none;
}
.cert-placeholder-icon {
  font-size: 1.75rem; opacity: 0.4;
}
.cert-scroll-hint { display: none; }

/* 证书卡片响应式 */
@media (max-width: 767px) {
  .cert-card { width: 110px; }
}

/* ── R&D Instruments Gallery ── */
.rd-instruments {
  display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-xs);
  align-content: start;
}
.rd-instrument-card {
  position: relative; border-radius: var(--radius-md); overflow: hidden;
  aspect-ratio: 4 / 3; background: rgba(255,255,255,0.04);
  cursor: pointer;
  transition: transform var(--duration-base) var(--ease-apple);
}
.rd-instrument-card:hover {
  transform: scale(1.03);
}
.rd-instrument-card img {
  width: 100%; height: 100%; object-fit: cover; display: block;
}
.rd-instrument-label {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 6px 10px; font-size: 0.6875rem; font-weight: 600;
  letter-spacing: 0.06em; text-align: center;
  color: var(--color-white);
  background: linear-gradient(180deg, transparent, rgba(0,0,0,0.7));
}
@media (max-width: 767px) {
  .rd-instruments { grid-template-columns: 1fr 1fr; }
}

.rd-right {
  display: flex; flex-direction: column; justify-content: center;
  height: 100%; gap: var(--space-md);
}
.rd-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-xs); }
.rd-card {
  background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-lg); padding: var(--space-xs);
  transition: all var(--duration-base) var(--ease-apple);
}
.rd-card:hover {
  background: rgba(255,255,255,0.08); transform: translateY(-2px);
  border-color: rgba(255,255,255,0.12);
}
.rd-card .rd-icon { font-size: 1.5rem; margin-bottom: var(--space-2xs); }
.rd-card-img {
  width: 100%; aspect-ratio: 2 / 1; border-radius: var(--radius-sm);
  overflow: hidden; margin-bottom: var(--space-2xs);
}
.rd-card-img img {
  width: 100%; height: 100%; object-fit: cover; display: block;
}
.rd-card h4 {
  font-family: var(--font-sans); font-weight: 600; font-size: 1rem;
  margin-bottom: var(--space-3xs); letter-spacing: -0.01em;
}
.rd-card p { font-size: 0.8125rem; color: rgba(255,255,255,0.45); line-height: 1.5; }

.equipment-tags { display: flex; flex-wrap: wrap; gap: var(--space-2xs); margin-top: 12px; }
.equipment-tag {
  font-size: 0.6875rem; padding: 6px 14px;
  border: 1px solid rgba(255,255,255,0.12); border-radius: var(--radius-full);
  color: rgba(255,255,255,0.55); font-weight: 500;
  transition: all var(--duration-fast) var(--ease-apple);
}
.equipment-tag:hover {
  border-color: rgba(255,255,255,0.3); color: rgba(255,255,255,0.8);
  background: rgba(255,255,255,0.04);
}

.gradient-bar {
  width: 120px; height: 3px; margin: var(--space-lg) auto 0;
  border-radius: var(--radius-full);
  background: linear-gradient(90deg, var(--color-accent) 0%, var(--color-champagne) 50%, var(--color-accent) 100%);
}

/* ═══════════════ TRUST NUMBERS ═══════════════ */
.trust-section { background-color: var(--color-gray-50); }
.trust-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-sm);
  max-width: var(--max-width); margin: 0 auto; padding: 0 var(--space-sm);
}
.trust-card {
  background: var(--color-white); border-radius: var(--radius-lg);
  padding: var(--space-lg) var(--space-md); text-align: center;
  transition: all var(--duration-base) var(--ease-apple); box-shadow: var(--shadow-sm);
}
.trust-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.trust-number {
  font-family: var(--font-heading); font-weight: 300; font-size: 3rem;
  color: var(--color-accent);
  line-height: 1.1; margin-bottom: var(--space-2xs);
  letter-spacing: -0.03em;
}
.trust-label {
  font-family: var(--font-sans); font-weight: 600; font-size: 0.9375rem;
  margin-bottom: var(--space-3xs);
  color: var(--color-black);
}
.trust-desc { font-size: 0.875rem; color: var(--color-gray-500); line-height: 1.45; }

/* ═══════════════ CTA ═══════════════ */
.cta-section {
  background-color: var(--color-warm-dark); color: var(--color-white);
  min-height: 60vh; display: flex; flex-direction: column;
  align-items: center; justify-content: center; text-align: center;
  padding: var(--space-3xl) var(--space-sm);
  position: relative; overflow: hidden;
}
.cta-section::before {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 30% 20%, rgba(0,113,227,0.08) 0%, transparent 60%),
    radial-gradient(ellipse at 70% 80%, rgba(0,113,227,0.04) 0%, transparent 60%);
  pointer-events: none;
}
.cta-section .container {
  position: relative; z-index: 1;
  display: flex; flex-direction: column; align-items: center;
}
.cta-logo { margin-bottom: var(--space-sm); opacity: 0.9; }
.cta-section .h2 { color: var(--color-white); margin-bottom: var(--space-xs); }
.cta-section .body-l { color: var(--color-gray-400); margin-bottom: var(--space-lg); max-width: 520px; }
.cta-buttons { display: flex; gap: var(--space-xs); flex-wrap: wrap; justify-content: center; }
.cta-section .btn-primary { min-width: 200px; }
.cta-section .btn-secondary-light { min-width: 200px; }
.cta-trust-text {
  margin-top: var(--space-lg); font-size: 0.8125rem;
  color: rgba(255,255,255,0.3); letter-spacing: 0.03em;
}

/* ═══════════════ FOOTER ═══════════════ */
.site-footer {
  background-color: var(--color-warm-dark); color: rgba(255,255,255,0.6);
  padding: var(--space-xl) 0 var(--space-md); font-size: 0.8125rem;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: var(--space-xl);
  padding-bottom: var(--space-md); border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-col p { color: rgba(255,255,255,0.5); line-height: 1.6; }
.footer-col h4 {
  font-family: var(--font-sans); font-weight: 600; font-size: 0.75rem;
  letter-spacing: 0.06em; margin-bottom: var(--space-xs);
  color: var(--color-white); text-transform: none;
}
.footer-col p, .footer-col li { margin-bottom: var(--space-2xs); }
.footer-col a {
  color: rgba(255,255,255,0.5); font-size: 0.8125rem;
  transition: color var(--duration-fast) var(--ease-apple); line-height: 2;
}
.footer-col a:hover { color: var(--color-white); }
.footer-logo { margin-bottom: var(--space-xs); color: var(--color-white); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: var(--space-sm); font-size: 0.75rem; color: rgba(255,255,255,0.35);
}
.footer-bottom a { color: rgba(255,255,255,0.35); margin-left: var(--space-sm); }
.footer-bottom a:hover { color: rgba(255,255,255,0.7); text-decoration: underline; }

/* ═══════════════ PAGE HERO (Sub-pages) ═══════════════ */
.page-hero {
  padding-top: calc(var(--header-height) + var(--space-3xl));
  padding-bottom: var(--space-2xl); text-align: center; position: relative;
}
.page-hero-cream { background-color: var(--color-gray-50); }
.page-hero-dark { background-color: var(--color-black); color: var(--color-white); }
.page-hero-dark .h2 { color: var(--color-white); }
.page-hero-dark .body-l { color: var(--color-gray-400); }
.page-hero-image { background-size: cover; background-position: center; position: relative; }
.page-hero-image::before { content: ''; position: absolute; inset: 0; background: rgba(0,0,0,0.3); }
.page-hero-image .container { position: relative; z-index: 1; color: var(--color-white); }
.page-hero-image .h2 { color: var(--color-white); }
.page-hero .h2 { margin-bottom: var(--space-2xs); }
.page-hero .body-l { color: var(--color-gray-500); max-width: 520px; margin: 0 auto; }

/* ═══════════════ FILTER BAR ═══════════════ */
.filter-bar {
  position: sticky; top: var(--header-height); z-index: 100;
  background: rgba(250,250,250,0.8);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--color-gray-100);
  padding: var(--space-2xs) 0;
}
.filter-bar .container {
  display: flex; align-items: center; gap: var(--space-md);
  overflow-x: auto; scrollbar-width: none;
}
.filter-bar .container::-webkit-scrollbar { display: none; }
.filter-tab {
  background: none; border: none; font-family: var(--font-sans);
  font-size: 0.875rem; font-weight: 500; letter-spacing: -0.01em;
  color: var(--color-gray-500); white-space: nowrap;
  padding: var(--space-2xs) 0; position: relative;
  transition: color var(--duration-fast) var(--ease-apple);
}
.filter-tab::after {
  content: ''; position: absolute; bottom: -2px; left: 0; right: 0;
  height: 2px; background: var(--color-accent); border-radius: 1px;
  transform: scaleX(0); transition: transform var(--duration-base) var(--ease-apple);
}
.filter-tab.active { color: var(--color-black); }
.filter-tab.active::after { transform: scaleX(1); }
.filter-tab:hover { color: var(--color-black); }
.filter-search {
  margin-left: auto; display: flex; align-items: center; gap: var(--space-2xs);
  color: var(--color-gray-500); font-size: 1.125rem; cursor: pointer;
}

/* ═══════════════ PRODUCTS GRID 3-COL ═══════════════ */
.products-grid-section { padding: var(--space-lg) 0 var(--space-3xl); background: var(--color-white); }
.products-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-sm); }
.product-grid-card {
  background: var(--color-white); border-radius: var(--radius-lg);
  overflow: hidden; border: 1px solid var(--color-gray-100);
  transition: all var(--duration-base) var(--ease-apple); cursor: pointer;
}
.product-grid-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.product-grid-card:hover .product-grid-img { transform: scale(1.04); }
.product-grid-img-wrap {
  aspect-ratio: 1 / 1; overflow: hidden; background: var(--color-gray-50);
  display: flex; align-items: center; justify-content: center;
}
.product-grid-img {
  font-size: 2.5rem; color: var(--color-accent);
  transition: transform var(--duration-base) var(--ease-apple);
}
.product-grid-img-real {
  font-size: 0; overflow: hidden;
}
.product-grid-img-real img {
  width: 100%; height: 100%; object-fit: cover; display: block;
}
.product-grid-body { padding: var(--space-xs); }
.product-grid-body h3 {
  font-family: var(--font-sans); font-weight: 600; font-size: 1.0625rem;
  margin-bottom: var(--space-3xs); letter-spacing: -0.01em;
}
.product-grid-body .spec-tag {
  display: inline-block; font-size: 0.6875rem; padding: 4px 10px;
  background: var(--color-gray-50); border-radius: var(--radius-full);
  color: var(--color-gray-500); margin-right: var(--space-3xs); font-weight: 500;
}
.product-grid-body .view-link {
  display: inline-block; margin-top: var(--space-2xs);
  font-size: 0.875rem; color: var(--color-accent); font-weight: 500;
}

/* ═══════════════ MODAL ═══════════════ */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.55);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  z-index: 2000; display: flex; align-items: center; justify-content: center;
  padding: var(--space-sm); opacity: 0; pointer-events: none;
  transition: opacity var(--duration-base) var(--ease-apple);
}
.modal-overlay.active { opacity: 1; pointer-events: all; }
.modal-content {
  background: var(--color-white); border-radius: var(--radius-xl);
  max-width: 880px; width: 100%; max-height: 90vh; overflow-y: auto;
  display: grid; grid-template-columns: 1fr 1fr;
  box-shadow: var(--shadow-xl);
  transform: translateY(24px) scale(0.97);
  transition: transform var(--duration-base) var(--ease-spring);
}
.modal-overlay.active .modal-content { transform: translateY(0) scale(1); }
.modal-close {
  position: absolute; top: var(--space-xs); right: var(--space-xs);
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--color-gray-50); border: none;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; z-index: 2; font-size: 1rem;
  color: var(--color-gray-600);
  transition: all var(--duration-fast) var(--ease-apple);
}
.modal-close:hover { background: var(--color-black); color: var(--color-white); }
.modal-image {
  aspect-ratio: 1 / 1; background: var(--color-gray-50);
  display: flex; align-items: center; justify-content: center;
  font-size: 4rem; color: var(--color-accent);
}
.modal-details { padding: var(--space-md); display: flex; flex-direction: column; }
.modal-details .h2 { margin-bottom: var(--space-3xs); }
.modal-details .spec-table { margin: var(--space-sm) 0; }
.spec-row {
  display: flex; justify-content: space-between; padding: var(--space-2xs) 0;
  border-bottom: 1px solid var(--color-gray-100); font-size: 0.9375rem;
}
.spec-row .spec-label { color: var(--color-gray-500); }
.modal-cert-badges { display: flex; gap: var(--space-2xs); margin: var(--space-sm) 0; flex-wrap: wrap; }
.modal-cert-badges span {
  font-size: 0.6875rem; padding: 5px 10px;
  border: 1px solid var(--color-gray-200); border-radius: var(--radius-full);
  color: var(--color-gray-500); font-weight: 500;
}
.modal-details .btn-primary { margin-top: auto; width: 100%; }

/* ═══════════════ OEM/ODM PAGE ═══════════════ */
.oem-service-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-sm); margin-bottom: var(--space-xl); }

/* Customization Options — Card Grid */
.oem-options-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-sm);
}
.oem-option-card {
  background: var(--color-white); border-radius: var(--radius-lg);
  padding: var(--space-md); text-align: center;
  border: 1px solid var(--color-gray-100);
  transition: all var(--duration-base) var(--ease-apple);
}
.oem-option-card:hover {
  transform: translateY(-2px); box-shadow: var(--shadow-md);
  border-color: var(--color-gray-200);
}
.oem-option-label {
  font-size: 0.6875rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--color-accent); margin-bottom: var(--space-2xs);
}
.oem-option-value {
  font-size: 1rem; font-weight: 500; color: var(--color-black);
  margin-bottom: var(--space-xs); line-height: 1.5;
}
.oem-option-moq {
  font-size: 0.75rem; color: var(--color-gray-500);
}
@media (max-width: 767px) {
  .oem-options-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .oem-options-grid { grid-template-columns: 1fr; }
}
.oem-service-card {
  background: var(--color-white); border: 1px solid var(--color-gray-100);
  border-radius: var(--radius-lg); padding: var(--space-md); text-align: center;
  display: flex; flex-direction: column;
  transition: all var(--duration-base) var(--ease-apple);
}
.oem-service-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.oem-service-card .service-icon { font-size: 2.5rem; margin-bottom: var(--space-xs); }
.oem-service-card .service-card-body {
  flex: 1;
}
.oem-service-card .service-card-img {
  aspect-ratio: 4 / 3; overflow: hidden; border-radius: var(--radius-md);
  margin-bottom: var(--space-sm); flex-shrink: 0;
}
.oem-service-card .service-card-img img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  transition: transform 0.5s var(--ease-apple);
}
.oem-service-card:hover .service-card-img img { transform: scale(1.05); }
.oem-service-card h3 {
  font-family: var(--font-sans); font-weight: 600; font-size: 1.25rem;
  margin-bottom: var(--space-2xs); letter-spacing: -0.015em;
}
.oem-service-card p { font-size: 0.875rem; color: var(--color-gray-500); }
.oem-detail-block {
  display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-2xl);
  align-items: center; margin-bottom: var(--space-2xl);
}
.oem-detail-block.reverse .oem-detail-text { order: 2; }
.oem-detail-block.reverse .oem-detail-image { order: 1; }
/* 2×2 Steps Grid — four steps in one view */
.oem-steps-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-sm);
  max-width: var(--max-width); margin: 0 auto;
  padding: 0 var(--space-sm);
}
.oem-step-card {
  background: var(--color-white); border-radius: var(--radius-lg);
  overflow: hidden; box-shadow: var(--shadow-sm);
  transition: all var(--duration-base) var(--ease-apple);
}
.oem-step-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.oem-step-img {
  aspect-ratio: 4 / 3; overflow: hidden; background: var(--color-gray-50);
}
.oem-step-img img { width: 100%; height: 100%; object-fit: contain; display: block; padding: 12px; }
.oem-step-cover img { object-fit: cover; padding: 0; }
.oem-step-body { padding: var(--space-xs) var(--space-sm) var(--space-sm); }
.oem-step-body .timeline-step { margin-bottom: var(--space-3xs); }
.oem-step-body h3 { font-size: 1.125rem; margin-bottom: 4px; }
.oem-step-body p { font-size: 0.8125rem; }
@media (max-width: 767px) {
  .oem-steps-grid { grid-template-columns: 1fr; }
}
.oem-detail-image {
  aspect-ratio: 4 / 3; border-radius: var(--radius-lg);
  background: var(--color-gray-50); display: flex; align-items: center;
  justify-content: center; font-size: 3rem; color: var(--color-accent);
}
.oem-detail-img {
  overflow: hidden; background: none; padding: 0; aspect-ratio: 4 / 3;
}
.oem-detail-img {
  aspect-ratio: 4 / 3 !important;
}
.oem-detail-img-cover img {
  object-fit: cover; padding: 0;
}
.oem-detail-img img {
  width: 100%; height: 100%; object-fit: contain; display: block;
  padding: 12px;
}
.capabilities-table { width: 100%; border-collapse: collapse; margin: var(--space-md) 0; }
.capabilities-table th, .capabilities-table td {
  padding: var(--space-xs); text-align: left;
  border-bottom: 1px solid var(--color-gray-100); font-size: 0.9375rem;
}
.capabilities-table th {
  font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em;
  font-size: 0.75rem; color: var(--color-gray-500);
}

/* FAQ */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--color-gray-100); }
.faq-question {
  width: 100%; background: none; border: none;
  padding: var(--space-sm) 0; display: flex; justify-content: space-between;
  align-items: center; font-family: var(--font-sans); font-weight: 600;
  font-size: 1.0625rem; cursor: pointer; text-align: left;
  color: var(--color-black); letter-spacing: -0.01em;
  transition: color var(--duration-fast) var(--ease-apple);
}
.faq-question:hover { color: var(--color-accent); }
.faq-icon { font-size: 1.25rem; transition: transform var(--duration-base) var(--ease-apple); }
.faq-item.active .faq-icon { transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height var(--duration-base) var(--ease-apple); }
.faq-item.active .faq-answer { max-height: 500px; }
.faq-answer p {
  padding-bottom: var(--space-sm); font-size: 0.9375rem;
  color: var(--color-gray-500); line-height: 1.6;
}

/* Modal FAQ Accordion */
.modal-faq { margin: var(--space-sm) 0; border-top: 1px solid var(--color-gray-100); }
.modal-faq-item { border-bottom: 1px solid var(--color-gray-100); }
.modal-faq-question {
  width: 100%; background: none; border: none;
  padding: 12px 0; display: flex; justify-content: space-between;
  align-items: center; font-family: var(--font-sans); font-weight: 600;
  font-size: 0.875rem; cursor: pointer; text-align: left;
  color: var(--color-black); letter-spacing: -0.01em;
  transition: color var(--duration-fast) var(--ease-apple);
}
.modal-faq-question:hover { color: var(--color-accent); }
.modal-faq-item .faq-icon { font-size: 1rem; transition: transform var(--duration-base) var(--ease-apple); }
.modal-faq-item.active .faq-icon { transform: rotate(45deg); }
.modal-faq-answer { max-height: 0; overflow: hidden; transition: max-height var(--duration-base) var(--ease-apple); }
.modal-faq-item.active .modal-faq-answer { max-height: 300px; }
.modal-faq-answer p {
  padding-bottom: 12px; font-size: 0.8125rem;
  color: var(--color-gray-500); line-height: 1.5;
}

/* ═══════════════ ABOUT PAGE ═══════════════ */
.about-intro {
  display: grid; grid-template-columns: 2fr 3fr; gap: var(--space-2xl);
  align-items: center; margin-bottom: var(--space-2xl);
}
.about-intro-image {
  aspect-ratio: 3 / 4; border-radius: var(--radius-lg);
  background: var(--color-gray-50); display: flex; align-items: center;
  justify-content: center; font-size: 3.5rem; color: var(--color-accent);
}
.about-intro-text p { margin-bottom: var(--space-xs); line-height: 1.7; }
.about-mission {
  margin-top: var(--space-md); padding: var(--space-sm);
  background: var(--color-accent-light); border-radius: var(--radius-md);
  border-left: 3px solid var(--color-accent); text-align: center;
}
.about-mission-text {
  font-family: var(--font-heading); font-weight: 400; font-style: italic;
  font-size: 1.125rem; color: var(--color-accent-dark);
  letter-spacing: -0.01em; line-height: 1.5;
}
.values-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-sm); margin-bottom: var(--space-2xl); }
.value-card {
  text-align: center; padding: var(--space-md); background: var(--color-white);
  border-radius: var(--radius-lg); border: 1px solid var(--color-gray-100);
  transition: all var(--duration-base) var(--ease-apple);
}
.value-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.value-card .value-icon { font-size: 2.5rem; margin-bottom: var(--space-xs); }
.value-card h3 { font-family: var(--font-sans); font-weight: 600; font-size: 1.25rem; margin-bottom: var(--space-2xs); }
.value-card p { font-size: 0.875rem; color: var(--color-gray-500); }

/* ==============================================
   Team Section — Horizontal Row Layout
   ============================================== */
.team-row {
  display: flex;
  align-items: center;
  gap: var(--space-2xl);
  padding: var(--space-xl) 0;
  border-bottom: 1px solid var(--color-gray-100);
}
.team-row:first-of-type {
  padding-top: var(--space-lg);
}
.team-row:last-of-type {
  border-bottom: none;
  padding-bottom: 0;
}

/* Alternating layout: every even row swaps photo/text */
.team-row-reverse {
  flex-direction: row-reverse;
}

/* Photo — left */
.team-row-photo {
  flex: 0 0 340px;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-cream);
  position: relative;
}
.team-row-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s ease;
}
.team-row:hover .team-row-photo img {
  transform: scale(1.04);
}

/* Fallback when image not loaded */
.team-row-photo .img-fallback,
.team-row-photo img[src=""],
.team-row-photo img:not([src]) {
  display: none;
}
.team-row-photo:has(.img-fallback)::after,
.team-row-photo:has(img:not([src]))::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--color-gray-200);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--color-gray-400);
}

/* Body — right */
.team-row-body {
  flex: 1;
  min-width: 0;
}

.team-row-name {
  font-family: var(--font-heading);
  font-weight: 400;
  font-size: 1.75rem;
  color: var(--color-black);
  margin-bottom: 2px;
  letter-spacing: -0.01em;
}
.team-row-role {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.team-row-bio {
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--color-gray-600);
  max-width: 560px;
  margin-bottom: var(--space-md);
}

/* Expertise Tags */
.team-row-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.team-row-tags span {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  color: var(--color-gray-600);
  background: var(--color-cream);
  border: 1px solid var(--color-gray-200);
  border-radius: 4px;
  padding: 4px 12px;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}
.team-row:hover .team-row-tags span {
  background: var(--color-white-pure);
  border-color: var(--color-primary-light);
  color: var(--color-primary);
}

/* ==============================================
   Homepage Team Grid — Compact
   ============================================== */
.home-team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

.home-team-card {
  text-align: center;
  padding: var(--space-lg) var(--space-sm);
  transition: transform 0.3s ease;
}
.home-team-card:hover {
  transform: translateY(-4px);
}

.home-team-photo {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  overflow: hidden;
  margin: 0 auto var(--space-md);
  background: var(--color-cream);
  border: 3px solid var(--color-white-pure);
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}
.home-team-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}
.home-team-card:hover .home-team-photo img {
  transform: scale(1.06);
}

.home-team-name {
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 1.05rem;
  color: var(--color-black);
  margin-bottom: 2px;
}
.home-team-role {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}
.home-team-bio {
  font-size: 0.8rem;
  color: var(--color-gray-500);
  line-height: 1.55;
  max-width: 200px;
  margin: 0 auto;
}

.timeline-horizontal { display: flex; gap: var(--space-lg); overflow-x: auto; padding: var(--space-md) 0; scrollbar-width: none; }
.timeline-horizontal::-webkit-scrollbar { display: none; }
.timeline-node { flex: 0 0 160px; text-align: center; position: relative; }
.timeline-node::before {
  content: ''; position: absolute; top: 12px; left: 50%; right: -50%;
  height: 2px; background: var(--color-gray-200);
}
.timeline-node:last-child::before { display: none; }
.timeline-node-dot {
  width: 24px; height: 24px; border-radius: 50%;
  background: var(--color-accent); margin: 0 auto var(--space-2xs);
  position: relative; z-index: 1;
}
.timeline-node-year { font-family: var(--font-sans); font-weight: 700; font-size: 1.25rem; color: var(--color-accent); }
.timeline-node-event { font-size: 0.75rem; color: var(--color-gray-500); margin-top: var(--space-3xs); }

.cert-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-sm); }
.cert-card {
  background: var(--color-white); border: 1px solid var(--color-gray-100);
  border-radius: var(--radius-lg); padding: var(--space-sm); text-align: center;
  cursor: pointer; transition: all var(--duration-base) var(--ease-apple);
}
.cert-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.cert-card-img {
  aspect-ratio: 3 / 2; background: var(--color-gray-50);
  border-radius: var(--radius-md); display: flex; align-items: center;
  justify-content: center; font-size: 2rem; color: var(--color-accent);
  margin-bottom: var(--space-2xs);
}
.cert-card h4 { font-family: var(--font-sans); font-weight: 600; font-size: 0.9375rem; }

/* ═══════════════ CONTACT PAGE ═══════════════ */
.contact-grid {
  display: grid; grid-template-columns: 3fr 2fr; gap: var(--space-2xl);
  max-width: var(--max-width); margin: 0 auto; padding: 0 var(--space-sm);
}
.contact-form { display: flex; flex-direction: column; gap: var(--space-xs); }
.form-group { display: flex; flex-direction: column; gap: var(--space-3xs); }
.form-group label {
  font-family: var(--font-sans); font-weight: 600; font-size: 0.8125rem;
  letter-spacing: 0.04em; color: var(--color-gray-600);
}
.form-group input,
.form-group select,
.form-group textarea {
  padding: 14px 16px; border: 1.5px solid var(--color-gray-200);
  border-radius: var(--radius-md); font-family: var(--font-sans);
  font-size: 1rem; color: var(--color-black); background: var(--color-white);
  transition: border-color var(--duration-fast) var(--ease-apple);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none; border-color: var(--color-accent);
  box-shadow: 0px 0px 0px 3px rgba(0,113,227,0.12);
}
.form-group textarea { min-height: 140px; resize: vertical; }
.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M6 8L1 3h10z' fill='%2386868B'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 16px center;
}
.contact-info-card {
  background: var(--color-gray-50); border-radius: var(--radius-lg);
  padding: var(--space-md); display: flex; flex-direction: column; gap: var(--space-sm);
}
.contact-info-card h3 {
  font-family: var(--font-sans); font-weight: 600; font-size: 1.5rem;
  margin-bottom: var(--space-2xs); letter-spacing: -0.02em;
}
.contact-info-item { display: flex; gap: var(--space-xs); align-items: flex-start; }
.contact-info-item .info-icon { font-size: 1.25rem; color: var(--color-accent); flex-shrink: 0; }
.contact-info-item .info-text h4 {
  font-weight: 600; font-size: 0.8125rem; letter-spacing: 0.04em; margin-bottom: 2px;
}
.contact-info-item .info-text p { font-size: 0.875rem; color: var(--color-gray-500); }
.contact-messengers { display: flex; gap: var(--space-2xs); flex-wrap: wrap; }
.contact-messengers a,
.contact-messengers span {
  display: flex; align-items: center; justify-content: center;
  width: 42px; height: 42px; border: 1.5px solid var(--color-gray-200);
  border-radius: var(--radius-full); font-size: 1.0625rem;
  color: var(--color-black);
  transition: all var(--duration-fast) var(--ease-apple);
}
.contact-messengers a:hover,
.contact-messengers span:hover {
  background: var(--color-accent); color: var(--color-white); border-color: var(--color-accent);
}

/* ═══════════════ TOAST ═══════════════ */
.toast {
  position: fixed; bottom: var(--space-sm); right: var(--space-sm);
  background: var(--color-black); color: var(--color-white);
  padding: var(--space-xs) var(--space-sm); border-radius: var(--radius-md);
  font-size: 0.875rem; font-weight: 500; z-index: 3000;
  opacity: 0; transform: translateY(20px);
  transition: all var(--duration-base) var(--ease-spring);
  pointer-events: none; box-shadow: var(--shadow-lg);
}
.toast.show { opacity: 1; transform: translateY(0); }

/* ═══════════════ FADE UP ON SCROLL ═══════════════ */
.fade-up {
  opacity: 0; transform: translateY(24px);
  transition: opacity 0.6s var(--ease-apple), transform 0.6s var(--ease-apple);
}
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* ═══════════════ RESPONSIVE ═══════════════ */
@media (max-width: 1024px) {
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .tab-content-grid { grid-template-columns: 1fr; }
  .oem-grid { grid-template-columns: 1fr; }
  .oem-detail-block { grid-template-columns: 1fr; }
  .oem-detail-block.reverse .oem-detail-text { order: 1; }
  .oem-detail-block.reverse .oem-detail-image { order: 2; }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .modal-content { grid-template-columns: 1fr; }
  .about-intro { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  :root { --header-height: var(--header-height-mobile); }
  .header-nav { display: none; }
  .hamburger { display: flex; }
  .header-logo { position: static; flex-shrink: 1; }
  .site-header .container {
    display: flex; justify-content: space-between; gap: var(--space-xs);
  }
  .hamburger { order: -1; }
  .header-logo { order: 0; }
  .header-icons { order: 1; }
  .hero-content { max-width: 100%; padding: var(--header-height) var(--space-xs) 0; }
  .hero { min-height: 600px; }
  .trust-grid { grid-template-columns: 1fr 1fr; }
  .series-card { flex: 0 0 280px; }
  .footer-grid { grid-template-columns: 1fr; gap: var(--space-md); }
  .footer-bottom { flex-direction: column; text-align: center; gap: var(--space-2xs); }
  .oem-service-cards { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: 1fr 1fr; }
  .values-grid { grid-template-columns: 1fr; }
  .team-row { flex-direction: column; gap: var(--space-lg); text-align: center; }
  .team-row-reverse { flex-direction: column; }
  .team-row-photo { flex: 0 0 auto; width: 100%; max-width: 340px; aspect-ratio: 1 / 1; margin: 0 auto; }
  .team-row-bio { max-width: none; }
  .home-team-grid { grid-template-columns: repeat(2, 1fr); }
  .cert-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .rd-grid { grid-template-columns: 1fr; }
  .modal-content { grid-template-columns: 1fr; max-height: 95vh; }
}

@media (max-width: 480px) {
  .hero { min-height: 550px; }
  .hero-buttons { flex-direction: column; }
  .hero-buttons .btn { width: 100%; justify-content: center; }
  .hero-content .h1 { font-size: 2.5rem; }
  .cta-buttons { flex-direction: column; }
  .cta-buttons .btn { width: 100%; min-width: auto; justify-content: center; }
  .trust-grid { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: 1fr; }
  .cert-grid { grid-template-columns: 1fr; }
  .team-row-photo { max-width: 280px; }
  .home-team-grid { grid-template-columns: 1fr 1fr; }
  .home-team-photo { width: 110px; height: 110px; }
  .tab-nav { gap: var(--space-sm); }
  .tab-btn { font-size: 0.8125rem; }
  .section { padding: var(--space-2xl) 0; }
}

/* ═══════════════ RELATED PRODUCTS GRID ═══════════════ */
.related-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md); max-width: var(--max-width); margin: 0 auto;
  padding: 0 var(--space-sm);
}
.related-grid-2col { grid-template-columns: repeat(2, 1fr); max-width: 520px; }
.related-card {
  background: var(--color-white); border-radius: var(--radius-lg);
  overflow: hidden; border: 1px solid var(--color-gray-100);
  transition: transform 0.3s var(--ease-apple), box-shadow 0.3s var(--ease-apple);
  cursor: pointer; text-align: left;
}
.related-card:hover {
  transform: translateY(-4px); box-shadow: 0 8px 30px rgba(0,0,0,0.07);
}
.related-card-img {
  aspect-ratio: 3 / 2; display: flex; align-items: center;
  justify-content: center; font-size: 2.5rem;
  background: var(--color-gray-50);
}
.related-card-body {
  padding: var(--space-sm) var(--space-md) var(--space-md);
}
.related-tag {
  display: inline-block; font-size: 0.625rem; font-weight: 500;
  letter-spacing: 0.1em; text-transform: uppercase;
  padding: 3px 10px; border-radius: 100px; margin-bottom: var(--space-2xs);
}
.related-tag.hot { background: #FEF2F2; color: #DC2626; }
.related-tag.value { background: #F0FDF4; color: #16A34A; }
.related-tag.new { background: #EFF6FF; color: #2563EB; }
.related-card-body h4 {
  font-family: var(--font-sans); font-weight: 500; font-size: 1rem;
  margin-bottom: 4px; letter-spacing: -0.01em; color: var(--color-black);
}
.related-card-body p {
  font-size: 0.8125rem; color: var(--color-gray-500); line-height: 1.6;
}
@media (max-width: 1023px) {
  .related-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 639px) {
  .related-grid { grid-template-columns: 1fr; }
  .related-grid-2col { grid-template-columns: 1fr; max-width: 100%; }
}

/* ═══════════════ GLOBAL REACH (About Page) ═══════════════ */
.global-stats {
  display: flex; justify-content: center; gap: var(--space-2xl);
  margin-bottom: var(--space-xl); flex-wrap: wrap;
}
.global-stat-item { text-align: center; }
.global-stat-number {
  display: block;
  font-family: var(--font-heading); font-weight: 300;
  font-size: clamp(2.5rem, 5vw, 4rem);
  color: var(--color-accent); line-height: 1.1;
  letter-spacing: -0.03em;
}
.global-stat-label {
  display: block;
  font-size: 0.8125rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--color-gray-500); margin-top: var(--space-3xs);
}

.global-region-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-sm);
}
.global-region-card {
  background: var(--color-white); border: 1px solid var(--color-gray-100);
  border-radius: var(--radius-lg); padding: var(--space-sm) var(--space-xs);
  text-align: center;
  transition: all var(--duration-base) var(--ease-apple);
}
.global-region-card:hover {
  transform: translateY(-3px); box-shadow: var(--shadow-md);
  border-color: var(--color-gray-200);
}
.global-region-card .region-emoji {
  display: block; font-size: 2rem; margin-bottom: var(--space-2xs);
}
.global-region-card h4 {
  font-family: var(--font-heading); font-weight: 400;
  font-size: 1.125rem; margin-bottom: var(--space-3xs);
  letter-spacing: -0.01em;
}
.global-region-card p {
  font-size: 0.8125rem; color: var(--color-gray-500); line-height: 1.5;
}

.world-map-wrap {
  max-width: 900px; margin: 0 auto;
  padding: 0 var(--space-sm);
}
.world-map-img {
  width: 100%; height: auto; display: block;
  border-radius: var(--radius-lg);
}

@media (max-width: 767px) {
  .global-stats { gap: var(--space-lg); }
  .global-region-grid { grid-template-columns: repeat(2, 1fr); }
  .world-map-wrap { padding: 0; }
}
@media (max-width: 480px) {
  .global-region-grid { grid-template-columns: 1fr; }
}

@media print {
  .site-header, .site-footer, .hamburger, .mobile-menu,
  .hero-scroll-hint, .scroll-arrows, .scroll-dots { display: none !important; }
}

/* ═══════════════ INNOVATION PAGE ═══════════════ */

.innovation-hero {
  padding-top: calc(var(--header-height) + var(--space-3xl));
  padding-bottom: var(--space-2xl);
  text-align: center; position: relative; overflow: hidden;
  background: linear-gradient(160deg, #1A1A1A 0%, #2C2A29 40%, #4A6741 100%);
  color: var(--color-white);
}
.innovation-hero::before {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(122,154,126,0.12) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 30%, rgba(200,168,130,0.08) 0%, transparent 50%);
  pointer-events: none;
}
.innovation-hero .container { position: relative; z-index: 1; }
.innovation-hero .h1 { color: var(--color-white); margin-bottom: var(--space-xs); }
.innovation-hero .body-l { color: var(--color-gray-400); max-width: 560px; margin: 0 auto var(--space-md); }

.innovation-hero-stats {
  display: flex; justify-content: center; gap: var(--space-2xl);
  flex-wrap: wrap; margin-top: var(--space-lg);
}
.innovation-hero-stat { text-align: center; }
.innovation-hero-stat .stat-number {
  font-family: var(--font-heading); font-weight: 300;
  font-size: 2.5rem; color: var(--color-accent);
  line-height: 1.1; letter-spacing: -0.03em;
}
.innovation-hero-stat .stat-label {
  font-size: 0.75rem; font-weight: 500; text-transform: uppercase;
  letter-spacing: 0.1em; color: rgba(255,255,255,0.5); margin-top: 4px;
}

.section-cream { background-color: var(--color-gray-50); }
.section-white { background-color: var(--color-white); }
.section-dark  { background-color: var(--color-warm-dark); color: var(--color-white); }
.section-dark .h2 { color: var(--color-white); }
.section-dark .body-l { color: var(--color-gray-400); }

.lab-showcase {
  display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-2xl);
  align-items: center; max-width: var(--max-width); margin: 0 auto;
  padding: 0 var(--space-sm);
}
.lab-showcase-image { border-radius: var(--radius-lg); overflow: hidden; aspect-ratio: 4 / 3; }
.lab-showcase-image img { width: 100%; height: 100%; object-fit: cover; display: block; }
.lab-showcase-content h3 {
  font-family: var(--font-heading); font-weight: 400;
  font-size: 1.75rem; color: var(--color-accent-dark);
  margin-bottom: var(--space-xs); letter-spacing: -0.02em;
}
.lab-showcase-content p {
  font-size: 1rem; color: var(--color-gray-600); line-height: 1.7;
  margin-bottom: var(--space-xs);
}

.instruments-gallery { max-width: var(--max-width); margin: 0 auto; padding: 0 var(--space-sm); }
.instruments-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-sm); }
.instrument-card {
  background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg); overflow: hidden;
  transition: all var(--duration-base) var(--ease-apple);
}
.instrument-card:hover {
  transform: translateY(-4px); box-shadow: 0 16px 48px rgba(0,0,0,0.4);
  border-color: rgba(255,255,255,0.16);
}
.instrument-card-image { aspect-ratio: 4 / 3; overflow: hidden; }
.instrument-card-image img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  transition: transform 0.5s var(--ease-apple);
}
.instrument-card:hover .instrument-card-image img { transform: scale(1.05); }
.instrument-card-body { padding: var(--space-xs) var(--space-sm) var(--space-sm); }
.instrument-card-body h4 {
  font-family: var(--font-sans); font-weight: 600; font-size: 1rem;
  margin-bottom: 4px; letter-spacing: -0.01em; color: var(--color-white);
}
.instrument-card-body p { font-size: 0.8125rem; color: rgba(255,255,255,0.45); line-height: 1.5; }

@media (max-width: 1023px) {
  .lab-showcase { grid-template-columns: 1fr; gap: var(--space-lg); }
  .lab-showcase-image { order: -1; }
  .instruments-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 767px) {
  .lab-showcase { grid-template-columns: 1fr; }
  .instruments-grid { grid-template-columns: 1fr 1fr; }
  .innovation-hero-stats { gap: var(--space-lg); }
  .innovation-hero-stat .stat-number { font-size: 2rem; }
}
@media (max-width: 480px) {
  .instruments-grid { grid-template-columns: 1fr; }
  .innovation-hero-stats { gap: var(--space-md); flex-direction: column; }
}

/* ===== Contact messenger buttons enhanced ===== */
.contact-messengers {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
    margin-top: 26px;
}

.contact-messengers a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: auto;
    min-width: 132px;
    height: 48px;
    padding: 0 20px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 700;
    line-height: 1;
    text-decoration: none;
    transition:
        transform 0.25s ease,
        box-shadow 0.25s ease,
        background 0.25s ease,
        border-color 0.25s ease;
}

/* 两个 WhatsApp 按钮 */
.contact-messengers a[href*="wa.me"] {
    color: #ffffff;
    background: linear-gradient(135deg, #25d366, #128c7e);
    border: 2px solid #128c7e;
    box-shadow: 0 8px 20px rgba(18, 140, 126, 0.22);
}

.contact-messengers a[href*="wa.me"]:hover {
    color: #ffffff;
    background: linear-gradient(135deg, #20c45a, #0f766e);
    border-color: #0f766e;
    transform: translateY(-2px);
    box-shadow: 0 12px 26px rgba(18, 140, 126, 0.32);
}

/* 邮件按钮 */
.contact-messengers a[href^="mailto:"] {
    color: #638968;
    background: #ffffff;
    border: 2px solid #7ea37f;
    box-shadow: 0 6px 16px rgba(126, 163, 127, 0.12);
}

.contact-messengers a[href^="mailto:"]:hover {
    color: #ffffff;
    background: #7ea37f;
    border-color: #7ea37f;
    transform: translateY(-2px);
    box-shadow: 0 10px 22px rgba(126, 163, 127, 0.24);
}

@media (max-width: 768px) {
    .contact-messengers {
        align-items: stretch;
    }

    .contact-messengers a {
        width: 100%;
        min-width: 0;
        height: 48px;
    }
}

/* ===== Global Reach World Map ===== */
.global-reach-map {
    display: block;
    width: min(100%, 1050px);
    height: auto;
    max-height: 540px;
    object-fit: contain;
    margin: 38px auto 54px;
    border-radius: 28px;
    filter:
        drop-shadow(0 18px 35px rgba(44, 42, 41, 0.10))
        drop-shadow(0 4px 10px rgba(122, 154, 126, 0.10));
    transition:
        transform 0.45s ease,
        filter 0.45s ease;
}

.global-reach-map:hover {
    transform: translateY(-4px) scale(1.012);
    filter:
        drop-shadow(0 24px 42px rgba(44, 42, 41, 0.14))
        drop-shadow(0 7px 16px rgba(122, 154, 126, 0.16));
}

@media (max-width: 768px) {
    .global-reach-map {
        width: 100%;
        margin: 28px auto 36px;
        border-radius: 18px;
        max-height: none;
    }
}

@media (max-width: 480px) {
    .global-reach-map {
        margin: 22px auto 30px;
        border-radius: 14px;
    }
}