/* ============================================================
   深圳市禾芯恒业科技有限公司 - 企业官网样式
   Brand Colors: #1356A5 (Blue) | #EB8610 (Orange)
   Theme: Light Industrial Precision
   ============================================================ */

/* Google Fonts 在中国大陆被屏蔽，改用系统字体以获得更快加载速度 */
/* 如需使用 Google Fonts，取消下面注释后测试 */

/* --- CSS Variables --- */
:root {
  --color-primary: #1356A5;
  --color-primary-light: #1A6FC4;
  --color-primary-dark: #0D3F7A;
  --color-primary-glow: rgba(19, 86, 165, 0.12);
  --color-accent: #EB8610;
  --color-accent-light: #F5A623;
  --color-accent-dark: #C46E0A;
  --color-accent-glow: rgba(235, 134, 16, 0.15);

  --bg-primary: #F8FAFC;
  --bg-secondary: #F1F5F9;
  --bg-surface: #FFFFFF;
  --bg-card: #FFFFFF;
  --bg-card-hover: #F8FAFC;
  --bg-overlay: rgba(255, 255, 255, 0.95);

  --text-primary: #0F172A;
  --text-secondary: #475569;
  --text-muted: #94A3B8;
  --text-accent: #EB8610;

  --border-color: #E2E8F0;
  --border-color-light: #CBD5E1;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.1);
  --shadow-glow-blue: 0 0 0 1px rgba(19, 86, 165, 0.1), 0 4px 16px rgba(19, 86, 165, 0.1);
  --shadow-glow-orange: 0 0 0 1px rgba(235, 134, 16, 0.1), 0 4px 16px rgba(235, 134, 16, 0.1);

  --font-display: 'Rajdhani', 'Noto Sans SC', sans-serif;
  --font-body: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;

  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;

  --header-height: 72px;
  --max-width: 1400px;
}

/* --- 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-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; transition: color var(--transition-fast); }
ul, ol { list-style: none; }
img { max-width: 100%; height: auto; display: block; }

button {
  cursor: pointer; border: none; background: none;
  font-family: inherit; font-size: inherit; color: inherit;
}

input, textarea, select { font-family: var(--font-body); font-size: 1rem; }

/* ============================================================
   HEADER
   ============================================================ */
.header {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--header-height);
  background: #ffffff;
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  transition: all var(--transition-base);
}

.header.scrolled {
  background: #ffffff;
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.08);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto; padding: 0 24px;
  height: 100%;
  display: flex; align-items: center; justify-content: space-between;
}

.logo {
  display: flex; align-items: center; gap: 12px;
  font-family: var(--font-display);
  font-size: 1.35rem; font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.5px; white-space: nowrap;
}

.logo-img {
  height: 52px;
  width: auto;
  border-radius: var(--radius-md);
}

.nav { display: flex; align-items: center; gap: 4px; }

.nav-link {
  padding: 10px 18px; font-size: 0.95rem; font-weight: 500;
  color: var(--text-secondary); border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  position: relative; white-space: nowrap;
}

.nav-link:hover,
.nav-link.active { color: var(--color-primary); background: rgba(19, 86, 165, 0.06); }

.nav-link.active::after {
  content: ''; position: absolute; bottom: 2px; left: 50%;
  transform: translateX(-50%);
  width: 20px; height: 2px;
  background: var(--color-accent); border-radius: 1px;
}

.nav-link.has-dropdown::after {
  content: '▾'; margin-left: 4px; font-size: 0.7em;
  display: inline-block; transition: transform var(--transition-fast);
}

.nav-link.has-dropdown:hover::after { transform: rotate(180deg); }

/* Dropdown */
.dropdown { position: relative; }

.dropdown-menu {
  position: absolute; top: 100%; left: 0; margin-top: 8px;
  background: var(--bg-surface); border: 1px solid var(--border-color);
  border-radius: var(--radius-lg); padding: 8px; min-width: 160px;
  opacity: 0; visibility: hidden;
  transform: translateY(-8px);
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-lg); z-index: 1001;
}

.dropdown:hover .dropdown-menu {
  opacity: 1; visibility: visible; transform: translateY(0);
}

.dropdown-menu a {
  display: block; padding: 10px 16px; font-size: 0.9rem;
  color: var(--text-secondary); border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.dropdown-menu a:hover { color: var(--color-primary); background: rgba(19, 86, 165, 0.06); }

/* Mobile Menu Toggle */
.menu-toggle {
  display: none; flex-direction: column; gap: 5px;
  padding: 8px; cursor: pointer; z-index: 1001;
}

.menu-toggle span {
  width: 24px; height: 2px; background: var(--text-primary);
  border-radius: 1px; transition: all var(--transition-fast);
}

.menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* Language Switch */
.lang-switch {
  position: relative;
  margin-left: 16px;
}

.lang-toggle {
  display: flex; align-items: center; gap: 4px;
  padding: 6px 12px; border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background: var(--bg-surface);
  color: var(--text-secondary);
  font-size: 0.8rem; font-weight: 600;
  cursor: pointer; transition: all var(--transition-fast);
  white-space: nowrap;
}

.lang-toggle:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: rgba(19, 86, 165, 0.04);
}

.lang-current { font-size: 0.8rem; }

.lang-arrow {
  color: var(--text-muted);
  transition: transform var(--transition-fast);
}

.lang-toggle:hover .lang-arrow { color: var(--color-primary); }

.lang-dropdown {
  position: absolute; top: 100%; right: 0; margin-top: 6px;
  background: var(--bg-surface); border: 1px solid var(--border-color);
  border-radius: var(--radius-md); padding: 4px; min-width: 110px;
  opacity: 0; visibility: hidden;
  transform: translateY(-4px);
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-lg); z-index: 1002;
}

.lang-switch:hover .lang-dropdown {
  opacity: 1; visibility: visible; transform: translateY(0);
}

.lang-option {
  display: block; width: 100%; padding: 8px 14px;
  font-size: 0.85rem; color: var(--text-secondary);
  border-radius: var(--radius-sm); text-align: left;
  cursor: pointer; transition: all var(--transition-fast);
  background: none; border: none;
}

.lang-option:hover { color: var(--color-primary); background: rgba(19, 86, 165, 0.06); }

.lang-option.active {
  color: var(--color-primary); background: rgba(19, 86, 165, 0.08);
  font-weight: 600;
}

/* ============================================================
   PAGE HEADER (Inner Pages)
   ============================================================ */
.page-header {
  padding: 120px 24px 64px; text-align: center;
  background: linear-gradient(180deg, rgba(19, 86, 165, 0.04) 0%, transparent 100%);
  position: relative;
}

.page-header h1 {
  font-family: var(--font-display);
  font-size: 2.75rem; font-weight: 700;
  letter-spacing: 1px; color: var(--text-primary);
  position: relative; z-index: 1;
}

.page-header h1 span {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-header .breadcrumb {
  margin-top: 12px; font-size: 0.9rem;
  color: var(--text-muted); position: relative; z-index: 1;
}

.page-header .breadcrumb a { color: var(--text-secondary); transition: color var(--transition-fast); }
.page-header .breadcrumb a:hover { color: var(--color-accent); }
.page-header .breadcrumb span { color: var(--color-accent); }

/* ============================================================
   SUB NAVIGATION TABS
   ============================================================ */
.subnav {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  position: sticky; top: var(--header-height); z-index: 100;
}

.subnav-inner {
  max-width: var(--max-width); margin: 0 auto; padding: 0 24px;
  display: flex; gap: 0; overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.subnav-inner::-webkit-scrollbar { height: 0; }

.subnav-tab {
  padding: 16px 28px; font-size: 0.95rem; font-weight: 500;
  color: var(--text-secondary);
  border-bottom: 2px solid transparent;
  transition: all var(--transition-fast);
  white-space: nowrap; cursor: pointer;
}

.subnav-tab:hover { color: var(--text-primary); }

.subnav-tab.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

/* ============================================================
   CONTAINER & SECTION
   ============================================================ */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

.section { padding: 80px 0; position: relative; z-index: 1; }

.section-title {
  font-family: var(--font-display);
  font-size: 2.25rem; font-weight: 700;
  text-align: center; margin-bottom: 12px;
  letter-spacing: 0.5px; color: var(--text-primary);
}

.section-subtitle {
  text-align: center; color: var(--text-muted);
  font-size: 1.05rem; margin-bottom: 56px;
  max-width: 600px; margin-left: auto; margin-right: auto;
}

/* ============================================================
   HERO SECTION - Rich Image Banner
   ============================================================ */
.hero {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
  padding: 0;
}

.hero .hero-bg-img {
  position: absolute; inset: 0; z-index: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  filter: brightness(0.55);
  transform: scale(1.05);
  animation: heroZoom 20s ease-in-out infinite alternate;
}

@keyframes heroZoom {
  0% { transform: scale(1.05); }
  100% { transform: scale(1.12); }
}

.hero .hero-overlay {
  position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(135deg, rgba(8, 12, 20, 0.6) 0%, rgba(8, 12, 20, 0.25) 50%, rgba(8, 12, 20, 0.55) 100%);
}

.hero .hero-bg {
  position: absolute; inset: 0; z-index: 0;
}

.hero .hero-bg .orb {
  position: absolute; border-radius: 50%;
  filter: blur(80px); opacity: 0.12;
  animation: orbFloat 8s ease-in-out infinite;
}

.hero .hero-bg .orb-1 {
  width: 500px; height: 500px;
  background: var(--color-primary);
  top: -150px; right: -100px;
  animation-delay: 0s;
}

.hero .hero-bg .orb-2 {
  width: 350px; height: 350px;
  background: var(--color-accent);
  bottom: -100px; left: -50px;
  animation-delay: -4s;
}

.hero-content {
  position: relative; z-index: 2;
  text-align: center; max-width: 900px;
  padding: 120px 24px 80px;
  color: #fff;
}

.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 20px;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50px; font-size: 0.85rem;
  color: #fff;
  margin-bottom: 32px;
  animation: fadeInUp 0.8s ease;
}

.hero-badge .dot {
  width: 8px; height: 8px;
  background: var(--color-accent-light);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

.hero-title {
  font-family: var(--font-display);
  font-size: 3.25rem; font-weight: 700;
  line-height: 1.2; margin-bottom: 24px;
  animation: fadeInUp 0.8s ease 0.1s both;
  letter-spacing: 1px; color: #fff;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.4);
  white-space: nowrap;
}

.hero-title .gradient-text {
  background: linear-gradient(135deg, #5BB8FF 0%, #3B82F6 40%, var(--color-accent-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.8; max-width: 680px;
  margin: 0 auto 40px;
  animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-actions {
  display: flex; align-items: center; justify-content: center;
  gap: 20px; flex-wrap: wrap;
  animation: fadeInUp 0.8s ease 0.3s both;
}

.hero-actions .btn-outline {
  border-color: rgba(255, 255, 255, 0.35);
  color: #fff;
}

.hero-actions .btn-outline:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 32px; font-size: 0.95rem; font-weight: 600;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  letter-spacing: 0.3px; position: relative; overflow: hidden;
}

.btn-primary {
  background: var(--color-primary); color: #fff;
  box-shadow: 0 4px 16px rgba(19, 86, 165, 0.25);
}

.btn-primary:hover {
  background: var(--color-primary-light);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(19, 86, 165, 0.35);
}

.btn-accent {
  background: var(--color-accent); color: #fff;
  box-shadow: 0 4px 16px rgba(235, 134, 16, 0.25);
}

.btn-accent:hover {
  background: var(--color-accent-light);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(235, 134, 16, 0.35);
}

.btn-outline {
  border: 1.5px solid var(--border-color-light);
  color: var(--text-primary); background: transparent;
}

.btn-outline:hover {
  border-color: var(--color-primary);
  background: rgba(19, 86, 165, 0.04);
}

.btn-sm { padding: 10px 22px; font-size: 0.85rem; }
.btn-lg { padding: 18px 40px; font-size: 1.05rem; }

/* ============================================================
   STATS
   ============================================================ */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  max-width: var(--max-width);
  margin: -40px auto 0;
  padding: 0 24px;
  position: relative; z-index: 2;
}

.stat-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px 24px; text-align: center;
  transition: all var(--transition-base);
  position: relative; overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.stat-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  opacity: 0; transition: opacity var(--transition-base);
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.stat-card:hover::before { opacity: 1; }

.stat-number {
  font-family: var(--font-display);
  font-size: 2.5rem; font-weight: 700;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label { color: var(--text-muted); font-size: 0.9rem; margin-top: 8px; }

/* ============================================================
   CARDS
   ============================================================ */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}

.card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
  position: relative;
  box-shadow: var(--shadow-sm);
}

.card:hover {
  border-color: var(--border-color-light);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.card-image {
  width: 100%; height: 200px;
  object-fit: cover;
  background: var(--bg-secondary);
}

.card-body { padding: 24px; }

.card-tag {
  display: inline-block; padding: 4px 12px;
  background: rgba(19, 86, 165, 0.08);
  color: var(--color-primary);
  font-size: 0.8rem; border-radius: 50px;
  margin-bottom: 12px;
}

.card-title {
  font-size: 1.1rem; font-weight: 600;
  margin-bottom: 8px; line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-desc {
  color: var(--text-muted);
  font-size: 0.9rem; line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-footer {
  padding: 16px 24px; border-top: 1px solid var(--border-color);
  display: flex; align-items: center; justify-content: space-between;
  font-size: 0.85rem; color: var(--text-muted);
}

/* ============================================================
   PRODUCT CARD
   ============================================================ */
.product-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
  position: relative;
  box-shadow: var(--shadow-sm);
}

.product-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow-blue);
}

.product-card .product-image {
  width: 100%; height: 220px;
  object-fit: cover;
  background: var(--bg-secondary);
}

.product-card .product-body { padding: 24px; }

.product-card .product-category {
  font-size: 0.8rem; color: var(--color-accent);
  text-transform: uppercase; letter-spacing: 1px;
  font-weight: 500; margin-bottom: 8px;
}

.product-card .product-title {
  font-size: 1.15rem; font-weight: 600; margin-bottom: 8px;
}

.product-card .product-specs {
  color: var(--text-muted); font-size: 0.85rem; line-height: 1.6;
}

.product-card .product-action {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 16px; color: var(--color-primary);
  font-size: 0.9rem; font-weight: 500;
  transition: all var(--transition-fast);
}

.product-card .product-action:hover { color: var(--color-accent); gap: 10px; }

/* ============================================================
   APPLICATION CARDS (5 in a row)
   ============================================================ */
.app-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.app-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px 20px; text-align: center;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.app-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow-blue);
}

.app-card .app-icon {
  width: 64px; height: 64px;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, rgba(19, 86, 165, 0.08), rgba(235, 134, 16, 0.06));
  border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.75rem;
  color: var(--color-primary);
  transition: all var(--transition-base);
}

.app-card:hover .app-icon {
  background: linear-gradient(135deg, rgba(19, 86, 165, 0.15), rgba(235, 134, 16, 0.1));
  transform: scale(1.05);
}

.app-card .app-name {
  font-weight: 600; font-size: 1.05rem; margin-bottom: 8px;
}

.app-card .app-desc {
  color: var(--text-muted); font-size: 0.85rem; line-height: 1.6;
}

/* ============================================================
   FEATURED NEWS (Homepage - distinct layout)
   ============================================================ */
.featured-news-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 24px;
  align-items: stretch;
}

.featured-main {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  min-height: 480px;
  height: 100%;
  display: flex;
  align-items: flex-end;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

.featured-main:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }

.featured-main .featured-bg {
  position: absolute; inset: 0;
  object-fit: cover; width: 100%; height: 100%;
}

.featured-main .featured-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 30%, rgba(15, 23, 42, 0.85) 100%);
  z-index: 1;
}

.featured-main .featured-content {
  position: relative; z-index: 2;
  padding: 40px;
  color: #fff;
}

.featured-main .featured-tag {
  display: inline-block; padding: 4px 14px;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(8px);
  border-radius: 50px; font-size: 0.8rem;
  margin-bottom: 12px;
}

.featured-main .featured-title {
  font-size: 1.5rem; font-weight: 700;
  margin-bottom: 8px; line-height: 1.4;
}

.featured-main .featured-date {
  font-size: 0.85rem;
  opacity: 0.8;
}

.featured-side {
  display: flex;
  flex-direction: column;
  gap: 24px;
  height: 100%;
}

.featured-side-item {
  display: flex;
  gap: 20px;
  padding: 24px;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  flex: 1;
}

.featured-side-item:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-glow-blue);
  transform: translateX(4px);
}

.featured-side-item .fs-image {
  width: 100px; height: 100px;
  border-radius: var(--radius-md);
  object-fit: cover;
  flex-shrink: 0;
  background: var(--bg-secondary);
}

.featured-side-item .fs-body {
  flex: 1;
  display: flex; flex-direction: column;
  justify-content: center;
}

.featured-side-item .fs-tag {
  display: inline-block; padding: 3px 10px;
  background: rgba(19, 86, 165, 0.08);
  color: var(--color-primary);
  font-size: 0.75rem; border-radius: 50px;
  margin-bottom: 8px; width: fit-content;
}

.featured-side-item .fs-title {
  font-size: 1rem; font-weight: 600;
  margin-bottom: 6px; line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.featured-side-item .fs-date {
  font-size: 0.8rem; color: var(--text-muted);
}

/* ============================================================
   BRAND LOGO GRID
   ============================================================ */
.brand-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.brand-card {
  background: #ffffff;
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  gap: 12px;
  cursor: pointer;
  transition: all 0.35s ease;
  height: 200px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
}

.brand-card:hover {
  border-color: var(--color-primary);
  box-shadow: 0 2px 12px rgba(19, 86, 165, 0.12);
}

.brand-card .brand-logo-wrap {
  width: 100%;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.brand-card .brand-logo-img {
  max-height: 70px;
  max-width: 90%;
  width: auto;
  height: auto;
  object-fit: contain;
}

.brand-card .brand-name {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: 0.5px;
}

.brand-card .brand-country {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: -8px;
}

/* ============================================================
   NEWS LIST (Inner Pages)
   ============================================================ */
.news-list {
  display: flex; flex-direction: column; gap: 0;
}

.news-item {
  display: flex; gap: 24px;
  padding: 24px 0;
  border-bottom: 1px solid var(--border-color);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.news-item:hover { padding-left: 12px; }
.news-item:last-child { border-bottom: none; }

.news-item .news-date {
  flex-shrink: 0; width: 80px; text-align: center;
}

.news-item .news-date .day {
  font-family: var(--font-display);
  font-size: 2rem; font-weight: 700;
  color: var(--color-accent); line-height: 1;
}

.news-item .news-date .month {
  font-size: 0.8rem; color: var(--text-muted); margin-top: 4px;
}

.news-item .news-content { flex: 1; }

.news-item .news-title {
  font-size: 1.1rem; font-weight: 600;
  margin-bottom: 8px;
  transition: color var(--transition-fast);
}

.news-item:hover .news-title { color: var(--color-accent); }

.news-item .news-excerpt {
  color: var(--text-muted); font-size: 0.9rem; line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-item .news-arrow {
  flex-shrink: 0; display: flex; align-items: center;
  color: var(--text-muted); transition: all var(--transition-fast);
}

.news-item:hover .news-arrow {
  color: var(--color-accent); transform: translateX(4px);
}

/* ============================================================
   ABOUT PAGE
   ============================================================ */
.about-section { padding: 60px 0; }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px; align-items: center;
}

.about-image {
  border-radius: var(--radius-xl);
  overflow: hidden; position: relative;
}

.about-image::before {
  content: ''; position: absolute; inset: 0;
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: var(--radius-xl);
  z-index: 1; pointer-events: none;
}

.about-image img {
  width: 100%; height: 400px;
  object-fit: cover;
  background: var(--bg-secondary);
}

.about-image .glow-circle {
  position: absolute; top: -50px; right: -50px;
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(19, 86, 165, 0.1), transparent);
  border-radius: 50%; pointer-events: none;
}

.about-text h2 {
  font-family: var(--font-display);
  font-size: 2rem; font-weight: 700;
  margin-bottom: 24px; letter-spacing: 0.5px;
}

.about-text p {
  color: var(--text-secondary); line-height: 1.8; margin-bottom: 16px;
}

.about-text .highlight {
  color: var(--color-accent); font-weight: 500;
}

/* Culture Grid */
.culture-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.culture-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px 28px; text-align: center;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.culture-card:hover {
  border-color: var(--border-color-light);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.culture-card .culture-icon {
  font-size: 2.5rem; margin-bottom: 20px; display: block;
}

.culture-card h3 {
  font-size: 1.2rem; font-weight: 600; margin-bottom: 12px;
}

.culture-card p {
  color: var(--text-muted); font-size: 0.9rem; line-height: 1.6;
}

/* Honor Timeline */
.honor-list {
  display: flex; flex-direction: column; gap: 24px;
}

.honor-item {
  display: flex; gap: 28px; align-items: flex-start;
  padding: 24px 28px;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.honor-item:hover {
  border-color: var(--border-color-light);
  box-shadow: var(--shadow-md);
}

.honor-item .honor-year {
  font-family: var(--font-display);
  font-size: 1.5rem; font-weight: 700;
  color: var(--color-accent);
  flex-shrink: 0; min-width: 70px;
}

.honor-item .honor-info h4 {
  font-size: 1.05rem; font-weight: 600; margin-bottom: 6px;
}

.honor-item .honor-info p {
  color: var(--text-muted); font-size: 0.9rem; line-height: 1.6;
}

/* ============================================================
   SUPPORT PAGE
   ============================================================ */
.download-list {
  display: flex; flex-direction: column; gap: 12px;
}

.download-item {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 24px;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.download-item:hover {
  border-color: var(--border-color-light);
  box-shadow: var(--shadow-md);
}

.download-item .dl-info {
  display: flex; align-items: center; gap: 16px;
}

.download-item .dl-icon { font-size: 1.5rem; }
.download-item .dl-name { font-weight: 600; }
.download-item .dl-meta { font-size: 0.85rem; color: var(--text-muted); }

/* FAQ */
.faq-list { max-width: 900px; margin: 0 auto; }

.faq-item {
  border-bottom: 1px solid var(--border-color);
}

.faq-question {
  padding: 24px 0;
  display: flex; justify-content: space-between; align-items: center;
  cursor: pointer; font-weight: 500; font-size: 1.05rem;
  transition: color var(--transition-fast);
}

.faq-question:hover { color: var(--color-primary); }

.faq-question .faq-icon {
  transition: transform var(--transition-base);
  font-size: 1.2rem; color: var(--text-muted);
}

.faq-item.open .faq-question .faq-icon { transform: rotate(45deg); }

.faq-answer {
  max-height: 0; overflow: hidden;
  transition: all var(--transition-base);
  color: var(--text-secondary); line-height: 1.8;
  padding: 0;
}

.faq-item.open .faq-answer {
  max-height: 500px; padding-bottom: 24px;
}

/* ============================================================
   CONTACT PAGE
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: stretch;
}

.contact-info-list {
  display: flex; flex-direction: column; gap: 16px;
  height: 100%;
}

.contact-info-item {
  display: flex; gap: 16px; align-items: flex-start;
  padding: 20px 24px;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
  flex: 1;
}

.contact-info-item:hover {
  border-color: var(--border-color-light);
  box-shadow: var(--shadow-md);
}

.contact-info-item .ci-icon {
  font-size: 1.5rem; flex-shrink: 0;
  width: 48px; height: 48px;
  background: rgba(19, 86, 165, 0.08);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
}

.contact-info-item .ci-text h4 { font-weight: 600; margin-bottom: 4px; }
.contact-info-item .ci-text p { color: var(--text-muted); font-size: 0.9rem; }

/* Form */
.form { display: flex; flex-direction: column; gap: 20px; }

.form-group { display: flex; flex-direction: column; gap: 6px; }

.form-group label {
  font-size: 0.9rem; font-weight: 500; color: var(--text-secondary);
}

.form-group label .required { color: var(--color-accent); margin-left: 2px; }

.form-group input,
.form-group textarea,
.form-group select {
  padding: 14px 16px;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(19, 86, 165, 0.1);
}

.form-group textarea { min-height: 140px; resize: vertical; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

/* ============================================================
   PAGINATION
   ============================================================ */
.pagination {
  display: flex; justify-content: center; gap: 8px; margin-top: 48px;
}

.pagination button {
  width: 40px; height: 40px; border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background: var(--bg-surface);
  color: var(--text-secondary); font-size: 0.9rem;
  transition: all var(--transition-fast);
  display: flex; align-items: center; justify-content: center;
}

.pagination button:hover { border-color: var(--color-primary); color: var(--text-primary); }

.pagination button.active {
  background: var(--color-primary); border-color: var(--color-primary); color: #fff;
}

/* ============================================================
   CTA SECTION
   ============================================================ */
.cta-section {
  padding: 80px 24px; text-align: center;
  background: linear-gradient(135deg, rgba(19, 86, 165, 0.04) 0%, rgba(235, 134, 16, 0.03) 100%);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  position: relative; z-index: 1;
}

.cta-section h2 {
  font-family: var(--font-display);
  font-size: 2.25rem; font-weight: 700;
  margin-bottom: 16px; position: relative; z-index: 1;
}

.cta-section p {
  color: var(--text-secondary); font-size: 1.05rem;
  max-width: 600px; margin: 0 auto 32px;
  position: relative; z-index: 1;
}

.cta-section .btn { position: relative; z-index: 1; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--text-primary);
  padding: 64px 24px 32px;
  position: relative; z-index: 1;
  color: #CBD5E1;
}

.footer-grid {
  max-width: var(--max-width); margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
}

.footer-col h4 { font-size: 1rem; font-weight: 600; margin-bottom: 20px; color: #F1F5F9; }

.footer-col p { color: #94A3B8; font-size: 0.9rem; line-height: 1.7; margin-bottom: 8px; }

.footer-col ul { display: flex; flex-direction: column; gap: 10px; }

.footer-col ul a { color: #94A3B8; font-size: 0.9rem; transition: all var(--transition-fast); }

.footer-col ul a:hover { color: var(--color-accent-light); padding-left: 4px; }

.footer-bottom {
  max-width: var(--max-width); margin: 48px auto 0;
  padding-top: 24px; border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center; color: #64748B; font-size: 0.85rem;
}

/* ============================================================
   TAB CONTENT
   ============================================================ */
.tab-content { display: none; }
.tab-content.active { display: block; }

/* ============================================================
   TOAST
   ============================================================ */
.toast {
  position: fixed; bottom: 32px; right: 32px;
  background: var(--bg-surface); border: 1px solid var(--border-color);
  border-radius: var(--radius-lg); padding: 16px 24px;
  box-shadow: var(--shadow-lg); z-index: 9999;
  display: flex; align-items: center; gap: 12px;
  animation: slideInRight 0.3s ease; font-size: 0.9rem;
}

.toast.success { border-left: 3px solid #22C55E; }
.toast.error { border-left: 3px solid #EF4444; }

/* ============================================================
   SKELETON
   ============================================================ */
.skeleton {
  background: linear-gradient(90deg, var(--bg-secondary) 25%, #E2E8F0 50%, var(--bg-secondary) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
  border-radius: var(--radius-md);
}

/* ============================================================
   BACK TO TOP
   ============================================================ */
.back-to-top {
  position: fixed; bottom: 32px; right: 32px;
  width: 44px; height: 44px;
  background: var(--color-primary); color: #fff;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  box-shadow: 0 4px 16px rgba(19, 86, 165, 0.3);
  z-index: 999;
  opacity: 0; visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-base);
  cursor: pointer;
}

.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }

.back-to-top:hover {
  background: var(--color-primary-light);
  transform: translateY(-4px);
}

/* ============================================================
   SERVICE HIGHLIGHTS (Full-width Image Cards with Hover)
   ============================================================ */
.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.svc-card {
  position: relative;
  height: 380px;
  overflow: hidden;
  cursor: pointer;
  background: var(--bg-card);
}

.svc-card .svc-bg {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.svc-card:hover .svc-bg {
  transform: scale(1.08);
}

.svc-card .svc-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.2) 0%, rgba(15, 23, 42, 0.75) 100%);
  transition: all 0.4s ease;
}

.svc-card:hover .svc-overlay {
  background: linear-gradient(180deg, rgba(19, 86, 165, 0.3) 0%, rgba(15, 23, 42, 0.85) 100%);
}

.svc-card .svc-content {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 40px 32px;
  z-index: 2;
  color: #fff;
  transition: transform 0.4s ease;
}

.svc-card:hover .svc-content {
  transform: translateY(-8px);
}

.svc-card .svc-icon {
  width: 52px; height: 52px;
  margin-bottom: 16px;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(8px);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  transition: all 0.4s ease;
}

.svc-card:hover .svc-icon {
  background: var(--color-accent);
  transform: scale(1.1);
}

.svc-card .svc-title {
  font-size: 1.2rem; font-weight: 700;
  margin-bottom: 8px;
  transition: all 0.4s ease;
}

.svc-card .svc-desc {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.6;
  max-height: 0;
  overflow: hidden;
  transition: all 0.4s ease;
  opacity: 0;
}

.svc-card:hover .svc-desc {
  max-height: 60px;
  opacity: 1;
  margin-top: 4px;
}

.svc-card .svc-line {
  width: 40px; height: 2px;
  background: var(--color-accent);
  margin-top: 12px;
  transition: width 0.4s ease;
}

.svc-card:hover .svc-line {
  width: 60px;
}

/* ============================================================
   CERTIFICATIONS STRIP
   ============================================================ */
.cert-strip {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 40px;
  padding: 40px 24px;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.cert-item {
  display: flex; align-items: center; gap: 10px;
  font-size: 0.95rem; font-weight: 500;
  color: var(--text-secondary);
}

.cert-item .cert-badge {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 0.8rem; font-weight: 700;
}

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -30px) scale(1.05); }
  66% { transform: translate(-20px, 20px) scale(0.95); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(100px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.reveal {
  opacity: 0; transform: translateY(30px);
  transition: all 0.6s ease;
}

.reveal.visible {
  opacity: 1; transform: translateY(0);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1200px) {
  .app-grid { grid-template-columns: repeat(3, 1fr); }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .featured-news-grid { grid-template-columns: 1fr; }
  .featured-main { min-height: 300px; }
  .hex-grid { --hex-size: 120px; }
  .brand-grid { grid-template-columns: repeat(3, 1fr); }
  .svc-card { height: 320px; }
}

@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .culture-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .hero-title { font-size: 2.75rem; white-space: normal; }
  .app-grid { grid-template-columns: repeat(3, 1fr); }
  .hex-grid { --hex-size: 100px; }
  .brand-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  :root { --header-height: 64px; }

  .nav { display: none; }

  .nav.mobile-open {
    display: flex; flex-direction: column;
    position: fixed; top: var(--header-height);
    left: 0; right: 0; bottom: 0;
    background: var(--bg-surface); padding: 24px;
    overflow-y: auto; z-index: 999;
  }

  .nav.mobile-open .nav-link {
    padding: 16px 0; font-size: 1.05rem;
    border-bottom: 1px solid var(--border-color);
  }

  .nav.mobile-open .dropdown-menu {
    position: static; opacity: 1; visibility: visible;
    transform: none; background: transparent;
    border: none; box-shadow: none; padding: 0 0 0 16px;
  }

  .nav.mobile-open .dropdown-menu a {
    padding: 12px 0; border-bottom: 1px solid var(--border-color);
  }

  .menu-toggle { display: flex; }

  .lang-switch { margin-left: auto; margin-right: 12px; }

  .hero-title { font-size: 2.25rem; white-space: normal; }
  .hero-content { padding: 100px 24px 60px; }
  .hero-desc { font-size: 1rem; }
  .stats { grid-template-columns: 1fr; margin-top: 0; }
  .section-title { font-size: 1.75rem; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .culture-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .card-grid { grid-template-columns: 1fr; }
  .app-grid { grid-template-columns: repeat(2, 1fr); }
  .service-grid { grid-template-columns: 1fr 1fr; }
  .cert-strip { flex-direction: column; gap: 20px; align-items: center; }
  .hex-grid { --hex-size: 90px; }
  .brand-grid { grid-template-columns: repeat(2, 1fr); }
  .svc-card { height: 280px; }
  .svc-card .svc-content { padding: 24px 20px; }

  .subnav-inner { gap: 0; }
  .subnav-tab { padding: 14px 18px; font-size: 0.85rem; }

  .news-item { flex-direction: column; gap: 12px; }
  .news-item .news-date { width: auto; display: flex; gap: 8px; align-items: baseline; }
  .news-item .news-date .day { font-size: 1.5rem; }

  .featured-side-item { flex-direction: column; }
  .featured-side-item .fs-image { width: 100%; height: 140px; }

  .page-header { padding: 100px 24px 48px; }
  .page-header h1 { font-size: 2rem; }
}

@media (max-width: 480px) {
  .app-grid { grid-template-columns: 1fr 1fr; }
  .hero-title { font-size: 1.75rem; white-space: normal; }
  .stats { grid-template-columns: 1fr; }
  .service-grid { grid-template-columns: 1fr; }
  .hex-grid { --hex-size: 75px; }
  .svc-card { height: 240px; }
}

/* Product Detail Page */
.product-detail-section { padding: 60px 0; }

.product-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.product-gallery {
  position: sticky;
  top: 100px;
}

.product-main-image {
  width: 100%;
  border-radius: 12px;
  overflow: hidden;
  background: var(--bg-secondary);
  margin-bottom: 16px;
}

.product-main-image img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.3s ease;
}

.product-main-image img:hover {
  transform: scale(1.05);
}

.product-thumbnails-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
}

.product-thumbnails {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scroll-behavior: smooth;
  scrollbar-width: none;
  flex: 1;
  min-width: 0;
}

.product-thumbnails::-webkit-scrollbar {
  display: none;
}

.product-thumbnail {
  min-width: 80px;
  max-width: 80px;
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  transition: border-color 0.3s ease, transform 0.2s ease;
  flex-shrink: 0;
}

.product-thumbnail:hover {
  transform: translateY(-2px);
}

.product-thumbnail.active {
  border-color: var(--color-primary);
}

.product-thumbnail img {
  width: 100%;
  height: auto;
  display: block;
}

.thumb-arrow {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  background: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.2s ease;
  font-size: 14px;
  color: var(--text-primary);
  z-index: 2;
}

.thumb-arrow:hover {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.thumb-arrow.hidden {
  display: none;
}

.product-info {
  padding: 20px 0;
}

.product-info .product-category {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(200, 16, 46, 0.1);
  color: #c8102e;
  border-radius: 4px;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 12px;
}

.product-info h1 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 20px;
  line-height: 1.3;
}

.product-info .product-desc {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 24px;
}

.product-specs-table {
  background: var(--bg-secondary);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 24px;
}

.product-specs-table h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}

.product-specs-table table {
  width: 100%;
  border-collapse: collapse;
}

.product-specs-table tr {
  border-bottom: 1px solid var(--border-color);
}

.product-specs-table tr:last-child {
  border-bottom: none;
}

.product-specs-table td {
  padding: 12px 0;
  font-size: 0.95rem;
}

.product-specs-table td:first-child {
  color: var(--text-secondary);
  width: 120px;
  font-weight: 500;
}

.product-specs-table td:last-child {
  color: var(--text-primary);
}

.product-actions {
  display: flex;
  gap: 16px;
  margin-top: 32px;
}

.product-actions .btn {
  flex: 1;
  padding: 14px 24px;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 500;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.product-actions .btn-primary {
  background: var(--color-primary);
  color: #fff;
  border: none;
}

.product-actions .btn-primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(19, 86, 165, 0.3);
}

.product-actions .btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.product-actions .btn-secondary:hover {
  background: var(--color-primary);
  color: #fff;
}

@media (max-width: 992px) {
  .product-detail {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .product-gallery {
    position: static;
  }

  .product-info h1 {
    font-size: 1.5rem;
  }
}

@media (max-width: 576px) {
  .product-thumbnail {
    min-width: 60px;
    max-width: 60px;
  }

  .product-actions {
    flex-direction: column;
  }

  .product-specs-table td:first-child {
    width: 100px;
  }
}