:root {
  --color-primary: #14bbf2;
  --color-primary-dark: #0e94c4;
  --color-secondary: #ff971c;
  --color-secondary-dark: #e88616;
  --color-accent: #f5f5f5;
  --color-text: #333333;
  --color-text-light: #777777;
  --color-text-muted: #999999;
  --color-border: #e5e5e5;
  --color-white: #ffffff;
  --color-dark: #222222;

  --font-primary: 'Montserrat', sans-serif;
  --font-secondary: 'Montserrat', sans-serif;

  --spacing-xs: 8px;
  --spacing-sm: 16px;
  --spacing-md: 24px;
  --spacing-lg: 32px;
  --spacing-xl: 48px;
  --spacing-xxl: 64px;

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

  --transition: all 0.3s ease;

  --header-height: 80px;

  --container-max-width: 1200px;
  --container-padding: 24px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-white);
}

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

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

a {
  text-decoration: none;
  color: inherit;
}

button {
  cursor: pointer;
  border: none;
  outline: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-secondary);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
  margin-bottom: var(--spacing-sm);
}

ul, ol {
  margin-bottom: var(--spacing-sm);
  padding-left: var(--spacing-md);
}

li {
  margin-bottom: var(--spacing-xs);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) var(--spacing-lg);
  font-family: var(--font-secondary);
  font-weight: 600;
  font-size: 1rem;
  border-radius: var(--radius-md);
  transition: var(--transition);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: var(--color-white);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(20, 187, 242, 0.4);
}

.btn-secondary {
  background: linear-gradient(135deg, var(--color-secondary), var(--color-secondary-dark));
  color: var(--color-white);
}

.btn-secondary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(255, 151, 28, 0.4);
}

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

.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: transparent;
  height: var(--header-height);
  transition: background 0.3s ease, box-shadow 0.3s ease;
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  height: 50px;
  width: auto;
  position: relative;
}

.logo-default,
.logo-scrolled {
  height: 50px;
  width: auto;
  transition: opacity 0.3s ease;
}

.logo-scrolled {
  display: none;
}

.header.scrolled .logo-default {
  display: none;
}

.header.scrolled .logo-scrolled {
  display: block;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.nav-link {
  font-family: var(--font-secondary);
  font-weight: 600;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-white);
  position: relative;
  transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-secondary);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-secondary);
}

.header.scrolled .nav-link {
  color: var(--color-text);
}

.header.scrolled .nav-link:hover,
.header.scrolled .nav-link.active {
  color: var(--color-primary);
}

.header.scrolled .nav-link.active::after {
  background: var(--color-primary);
}

.header-cta {
  display: none;
}

/* Dropdown Menu */
.nav-dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  background: var(--color-white);
  min-width: 200px;
  border-radius: var(--radius-md);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
  padding: var(--spacing-sm) 0;
  opacity: 0;
  visibility: hidden;
  transition: all 0.25s ease;
  z-index: 1001;
}

.nav-dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.dropdown-item {
  display: block;
  padding: 10px 20px;
  font-size: 0.88rem;
  color: var(--color-text);
  text-decoration: none;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.dropdown-item:hover {
  background: var(--color-accent);
  color: var(--color-primary);
  padding-left: 24px;
}

.dropdown-item a {
  display: block;
}

.sub-navs {
  position: absolute;
  top: 0;
  left: 100%;
  background: var(--color-white);
  min-width: 200px;
  border-radius: var(--radius-md);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
  padding: var(--spacing-sm) 0;
  opacity: 0;
  visibility: hidden;
  transition: all 0.25s ease;
  z-index: 1001;
  max-height: 80vh;
  overflow: scroll;
}

.sub-navs:has(> :nth-child(15)) {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
}

.sub-navs:has(> :nth-child(30)) {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.sub-navs li {
  list-style: none;
  display: block;
  padding: 8px 20px;
  font-size: 0.88rem;
  color: var(--color-text);
  text-decoration: none;
  transition: all 0.2s ease;
  white-space: nowrap;
  margin-bottom: 0;
}

.sub-navs li:hover {
  background: var(--color-accent);
  color: var(--color-primary);
}
.dropdown-item:hover .sub-navs {
  opacity: 1;
  visibility: visible;
}

.header.scrolled .dropdown-menu {
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
}

.mobile-menu-btn span {
  width: 25px;
  height: 3px;
  background: var(--color-white);
  border-radius: 2px;
  transition: var(--transition);
}

.header.scrolled .mobile-menu-btn span {
  background: var(--color-dark);
}

.mobile-menu-btn.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background: linear-gradient(135deg, #0a1628 0%, #1a3a5c 50%, #0e5a8a 100%);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url('../img/hero-banner.webp');
  background-size: cover;
  background-position: center;
  opacity: 0.43;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  color: var(--color-white);
  padding: var(--spacing-xl) 0;
}

.hero-subtitle {
  font-size: 1.1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-secondary);
  margin-bottom: var(--spacing-md);
}

.hero-title {
  font-size: 3.5rem;
  margin-bottom: var(--spacing-lg);
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.hero-description {
  font-size: 1.25rem;
  color: rgba(255, 255, 255, 0.8);
  max-width: 600px;
  margin: 0 auto var(--spacing-xl);
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

.section {
  padding: var(--spacing-xxl) 0;
}

.section-alt {
  background: var(--color-accent);
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.section-subtitle {
  font-size: 0.95rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.section-title {
  font-size: 2.25rem;
  color: var(--color-dark);
}

.section-description {
  font-size: 1.1rem;
  color: var(--color-text-light);
  max-width: 600px;
  margin: 0 auto;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

.services-grid-four {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
}

@media (max-width: 992px) {
  .services-grid-four {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .services-grid-four {
    grid-template-columns: 1fr;
  }
}

.service-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: var(--transition);
  border: 1px solid var(--color-border);
  overflow: hidden;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
  border-color: var(--color-primary);
}

.service-icon {
  width: 100%;
  aspect-ratio: 4/3;
  margin: 0;
  overflow: hidden;
  background: var(--color-accent);
}

.service-card-body {
  padding: var(--spacing-lg);
}

.service-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.service-card:hover .service-icon img {
  transform: scale(1.08);
}

.service-card h3 {
  font-size: 1.3rem;
  color: var(--color-dark);
  margin-bottom: 0;
}

.stats-section {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: var(--color-white);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  text-align: center;
}

.stat-item {
  padding: var(--spacing-lg);
}

.stat-number {
  font-size: 3rem;
  font-weight: 700;
  font-family: var(--font-secondary);
  margin-bottom: var(--spacing-xs);
}

.stat-label {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  opacity: 0.9;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

.product-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  border: 1px solid var(--color-border);
  position: relative;
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(20, 187, 242, 0.15);
  border-color: var(--color-primary);
}

.product-image {
  display: block;
  position: relative;
  padding-bottom: 75%;
  overflow: hidden;
  background: var(--color-accent);
}

.product-image img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.product-card:hover .product-image img {
  transform: scale(1.08);
}

.product-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  background: var(--color-primary);
  color: var(--color-white);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  z-index: 2;
}

.product-content {
  padding: 16px;  /* 产品卡*/
}

.product-category {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
}

.product-title {
  font-size: 1.2rem;
  color: var(--color-dark);
  margin-bottom: var(--spacing-sm);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.4;
}

.product-title a {
  color: var(--color-dark);
  text-decoration: none;
  transition: var(--transition);
}

.product-title a:hover {
  color: var(--color-primary);
}
.product-content .product-detail-price span{
  font-size: 18px;
}
.product-description {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-top: 10px;
  margin-bottom: var(--spacing-md);
}

.product-read-more {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-primary);
  text-decoration: none;
  transition: var(--transition);
}

.product-read-more:hover {
  color: var(--color-secondary);
  letter-spacing: 0.3px;
}

.product-features {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.product-feature-tag {
  font-size: 0.75rem;
  color: var(--color-text-light);
  background: var(--color-accent);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
}

.product-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border);
}

/* Cases Section - Horizontal Layout */
.section-cases {
  background: linear-gradient(180deg, #0a1628 0%, #1a3a5c 100%);
  padding: var(--spacing-xxl) 0;
}

.section-cases .section-subtitle {
  color: var(--color-secondary);
}

.section-cases .section-title {
  color: var(--color-white);
}

.section-cases .section-description {
  color: rgba(255, 255, 255, 0.7);
}

.case-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.case-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  transition: all 0.4s ease;
  position: relative;
}

.case-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(255, 122, 0, 0.15);
}

.case-item-reverse {
  direction: rtl;
}

.case-item-reverse > * {
  direction: ltr;
}

.case-item-image {
  display: block;
  position: relative;
  min-height: 380px;
  overflow: hidden;
}

.case-item-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.case-item:hover .case-item-image img {
  transform: scale(1.08);
}

.case-item-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 122, 0, 0.1) 0%, rgba(0, 0, 0, 0.3) 100%);
  z-index: 1;
  transition: opacity 0.4s ease;
}

.case-item:hover .case-item-overlay {
  background: linear-gradient(135deg, rgba(255, 122, 0, 0.2) 0%, rgba(0, 0, 0, 0.4) 100%);
}

.case-item-number {
  position: absolute;
  top: 24px;
  left: 24px;
  font-family: var(--font-secondary);
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--color-white);
  line-height: 1;
  z-index: 2;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  opacity: 0.9;
}

.case-item-body {
  padding: var(--spacing-xxl);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.case-item-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.case-item-tag {
  display: inline-block;
  padding: 6px 16px;
  background: var(--color-secondary);
  color: var(--color-white);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-radius: var(--radius-sm);
}

.case-item-year {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  font-weight: 500;
  font-family: var(--font-secondary);
}

.case-item-title {
  font-size: 1.75rem;
  color: var(--color-dark);
  margin-bottom: var(--spacing-md);
  line-height: 1.3;
  font-weight: 700;
}

.case-item-title a {
  color: var(--color-dark);
  text-decoration: none;
  transition: var(--transition);
}

.case-item-title a:hover {
  color: var(--color-secondary);
}

.case-item-desc {
  font-size: 1rem;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: var(--spacing-lg);
}

.case-item-results {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  background: var(--color-accent);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-lg);
}

.case-result {
  display: flex;
  flex-direction: column;
}

.case-result-num {
  font-family: var(--font-secondary);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-secondary);
  line-height: 1.2;
  margin-bottom: 4px;
}

.case-result-text {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 500;
}

.case-item-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-secondary);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: gap 0.3s ease;
  align-self: flex-start;
}

.case-item-link:hover {
  gap: 14px;
}

.arrow-icon {
  display: inline-block;
  font-style: normal;
  font-weight: 700;
  transition: transform 0.3s ease;
}

.case-item-link:hover .arrow-icon {
  transform: translateX(4px);
}

/* ========================================
   Cases List Page (case/index.html)
   ======================================== */
.page-banner-cases::before {
  background-image: url('../img/case-1.webp');
}

.cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.cases-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: all 0.4s ease;
  display: flex;
  flex-direction: column;
}

.cases-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(255, 151, 28, 0.15);
  border-color: var(--color-secondary);
}

.cases-card-image {
  display: block;
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--color-accent);
}

.cases-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.cases-card:hover .cases-card-image img {
  transform: scale(1.08);
}

.cases-card-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(0, 0, 0, 0.35) 100%);
  pointer-events: none;
}

.cases-card-body {
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.cases-card-title {
  font-size: 1.3rem;
  color: var(--color-dark);
  margin-bottom: var(--spacing-sm);
  line-height: 1.3;
  font-weight: 700;
}

.cases-card-title a {
  color: var(--color-dark);
  text-decoration: none;
  transition: var(--transition);
}

.cases-card-title a:hover {
  color: var(--color-secondary);
}

.cases-card-desc {
  font-size: 0.92rem;
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.cases-card-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-secondary);
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  transition: gap 0.3s ease;
  align-self: flex-start;
  margin-top: auto;
}

.cases-card-link:hover {
  gap: 14px;
}

@media (max-width: 600px) {
  .cases-grid {
    grid-template-columns: 1fr;
  }
}

.article-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.article-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  border: 1px solid var(--color-border);
}

.article-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
  border-color: var(--color-primary);
}

.article-image {
  display: block;
  position: relative;
  padding-bottom: 75%;
  overflow: hidden;
}

.article-image img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.article-card:hover .article-image img {
  transform: scale(1.1);
}

.article-content {
  padding: var(--spacing-lg);
}

.article-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-sm);
}
.article-excerpt{
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}
.article-date {
  display: flex;
  align-items: center;
  gap: 4px;
}

.article-category {
  font-weight: 600;
  color: var(--color-primary);
}

.article-title {
  font-size: 1.25rem;
  color: var(--color-dark);
  margin-bottom: var(--spacing-sm);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-title a {
  color: var(--color-dark);
  text-decoration: none;
  transition: var(--transition);
}

.article-title a:hover {
  color: var(--color-primary);
}

.article-description {
  font-size: 0.95rem;
  color: var(--color-text-light);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.cta-section {
  background: linear-gradient(135deg, #0a1628 0%, #1a3a5c 100%);
  text-align: center;
  color: var(--color-white);
  padding: var(--spacing-xxl) 0;
}

.cta-title {
  font-size: 2.25rem;
  margin-bottom: var(--spacing-md);
}

.cta-description {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.8);
  max-width: 600px;
  margin: 0 auto var(--spacing-xl);
}

.footer {
  background: var(--color-dark);
  color: var(--color-white);
  padding: var(--spacing-xxl) 0 var(--spacing-lg);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--spacing-sm);
}

.footer-brand img {
  max-height: 50px;
  max-width: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.95rem;
}

.footer-links h4 {
  font-size: 1.1rem;
  margin-bottom: var(--spacing-md);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer-links ul {
  list-style: none;
  padding: 0;
}

.footer-links li {
  margin-bottom: var(--spacing-sm);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.95rem;
  transition: var(--transition);
  padding-left: 18px;
  position: relative;
}

.footer-links a::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  border-right: 2px solid var(--color-secondary);
  border-top: 2px solid var(--color-secondary);
  transform: translateY(-50%) rotate(45deg);
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--color-primary);
  padding-left: 22px;
}

.footer-links a:hover::before {
  border-color: var(--color-primary);
}

.footer-contact h4 {
  font-size: 1.1rem;
  margin-bottom: var(--spacing-md);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.95rem;
}

.contact-item svg {
  color: var(--color-secondary);
  flex-shrink: 0;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-lg);
  text-align: center;
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.9rem;
}

.breadcrumb {
  padding: var(--spacing-md) 0;
  background: var(--color-accent);
  border-bottom: 1px solid var(--color-border);
}

.breadcrumb-list {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 0.9rem;
}

.breadcrumb-item {
  color: var(--color-text-light);
  margin: 0;
  padding: 0;
}

.breadcrumb-item a {
  color: var(--color-text-light);
  text-decoration: none;
  transition: var(--transition);
}

.breadcrumb-item a:hover {
  color: var(--color-primary);
}

.breadcrumb-item.active {
  color: var(--color-primary);
  font-weight: 500;
}

.breadcrumb-separator {
  color: var(--color-text-muted);
  user-select: none;
  margin-bottom: 0;
}

/* ========================================
   Sub Header (Detail Pages)
   ======================================== */
.sub-header {
  padding: calc(var(--header-height) + 60px) 0 48px;
  background: linear-gradient(135deg, #0a1628 0%, #1a3a5c 50%, #0e5a8a 100%);
  position: relative;
  overflow: hidden;
}

.sub-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at 70% 50%, rgba(20, 187, 242, 0.08) 0%, transparent 60%),
              radial-gradient(ellipse at 30% 80%, rgba(255, 151, 28, 0.06) 0%, transparent 50%);
}

.sub-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
}

.sub-header-inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-lg);
}

.sub-header-breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 0.9rem;
}

.sub-header-breadcrumb a {
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  transition: var(--transition);
}

.sub-header-breadcrumb a:hover {
  color: var(--color-secondary);
}

.sub-header-sep {
  color: rgba(255, 255, 255, 0.25);
  margin: 0 2px;
  user-select: none;
}

.sub-header-current {
  color: var(--color-white);
  font-weight: 500;
}

.sub-header-label {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: 8px 20px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 50px;
  color: var(--color-secondary);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  white-space: nowrap;
  flex-shrink: 0;
}

.sub-header-label svg {
  width: 16px;
  height: 16px;
}

@media (max-width: 992px) {
  .sub-header {
    padding: calc(var(--header-height) + 40px) 0 32px;
  }

  .sub-header-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-md);
  }

  .sub-header-breadcrumb {
    font-size: 0.85rem;
  }
}

.page-banner {
  padding: calc(var(--header-height) + 80px) 0 80px;
  text-align: center;
  background: linear-gradient(135deg, #0a1628 0%, #1a3a5c 100%);
  color: var(--color-white);
  position: relative;
  overflow: hidden;
}

.page-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.2;
}

.page-banner-about::before {
  background-image: url('../img/about-banner.webp');
}

.page-banner-contact::before {
  background-image: url('../img/contact-banner.webp');
}

.page-banner-error::before {
  background: radial-gradient(ellipse at 30% 20%, rgba(20, 187, 242, 0.15) 0%, transparent 50%),
              radial-gradient(ellipse at 70% 80%, rgba(255, 151, 28, 0.1) 0%, transparent 50%);
  opacity: 1;
}

.page-banner-error .page-banner-title {
  font-size: 4rem;
  margin-bottom: var(--spacing-xs);
}

.page-banner-content {
  position: relative;
  z-index: 1;
}

.page-banner-title {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-sm);
}

.page-banner-description {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.8);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: start;
}

.about-image {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.about-image > .detail-image:first-child {
  border-radius: var(--radius-lg);
  width: 100%;
}

.about-image-sub {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
}

.about-image-sub .detail-image {
  border-radius: var(--radius-md);
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

.about-text h2 {
  font-size: 2rem;
  margin-bottom: var(--spacing-md);
}

.about-text p {
  font-size: 1.05rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-md);
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.about-feature {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  background: var(--color-accent);
  border-radius: var(--radius-md);
}

.about-feature-icon {
  width: 44px;
  height: 44px;
  padding: 10px;
  background: var(--color-primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  flex-shrink: 0;
  box-sizing: border-box;
}

.about-feature-text h4 {
  font-size: 1rem;
  margin-bottom: 2px;
}

.about-feature-text p {
  font-size: 0.85rem;
  margin: 0;
  color: var(--color-text-light);
}

/* ========================================
   Contact Section
   ======================================== */
.contact-section {
  padding: var(--spacing-xl) 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: stretch;
}

.contact-aside {
  background: linear-gradient(135deg, #f0f7ff 0%, #e3f2fd 100%);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  color: var(--color-dark);
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.contact-aside::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at 80% 20%, rgba(20, 187, 242, 0.06) 0%, transparent 60%),
              radial-gradient(ellipse at 20% 80%, rgba(255, 151, 28, 0.04) 0%, transparent 50%);
}

.contact-aside-label {
  position: relative;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
}

.contact-aside-title {
  position: relative;
  font-size: 2.2rem;
  margin-bottom: var(--spacing-sm);
  color: var(--color-dark);
}

.contact-aside-desc {
  position: relative;
  font-size: 1rem;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: var(--spacing-xl);
}

.contact-aside-list {
  position: relative;
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.contact-aside-list li {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.contact-aside-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.contact-aside-icon svg {
  width: 20px;
  height: 20px;
}

.contact-aside-text {
  font-size: 0.95rem;
  color: var(--color-text);
  line-height: 1.5;
}

.contact-aside-text strong {
  display: block;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-secondary);
  margin-bottom: 2px;
  font-weight: 600;
}

.contact-form-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  border: 1px solid var(--color-border);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.06);
}

.contact-form-card h3 {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-lg);
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-group label {
  display: block;
  font-family: var(--font-secondary);
  font-weight: 600;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: var(--spacing-xs);
  color: var(--color-dark);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  font-family: var(--font-primary);
  font-size: 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-white);
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(20, 187, 242, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.contact-form-card .form-group {
  margin-bottom: var(--spacing-md);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
}

.form-submit {
  width: 100%;
  padding: var(--spacing-md);
  font-size: 1rem;
}

.product-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
}

.product-detail-images {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.product-thumbnails {
  display: flex;
  flex-direction: row;
  gap: 10px;
  width: 100%;
}

.product-thumbnail {
  flex: 0 0 25%;
  min-width: 0;
  aspect-ratio: 4/3;
  border-radius: var(--radius-sm);
  overflow: hidden;
  cursor: pointer;
  opacity: 0.6;
  transition: var(--transition);
  border: 2px solid transparent;
}

.product-thumbnail:hover,
.product-thumbnail.active {
  opacity: 1;
  border-color: var(--color-primary);
}

.product-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-main-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.product-main-image img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

.product-detail-info h1 {
  font-size: 2.25rem;
  margin-bottom: var(--spacing-md);
}

.product-detail-category {
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.product-detail-price span{
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-secondary);
  margin-bottom: var(--spacing-lg);
}

.product-detail-description {
  font-size: 1rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-lg);
}

.product-detail-features {
  margin-bottom: var(--spacing-lg);
}

.product-detail-features h4 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-md);
}

.product-detail-features ul {
  list-style: none;
  padding: 0;
}

.product-detail-features li {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-light);
}

.product-detail-features li::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--color-primary);
  border-radius: 50%;
}

.detail-body {
  margin-top: var(--spacing-xl);
  overflow-wrap: break-word;
  word-wrap: break-word;
}

.detail-body h2 {
  font-size: 1.75rem;
  margin-bottom: var(--spacing-md);
}

.detail-body h3 {
  font-size: 1.5rem;
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.detail-body p {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-md);
}

.detail-body ul,
.detail-body ol {
  margin-bottom: var(--spacing-md);
}

.detail-body li {
  font-size: 1.05rem;
  color: var(--color-text-light);
}

.detail-body img {
  margin: var(--spacing-md) 0;
  border-radius: var(--radius-md);
}

.table-wrap {
  overflow-x: auto;
  margin: var(--spacing-md) 0;
  border-radius: 0;
}

.table-wrap table {
  width: 100%;
  border-collapse: collapse;
  border-radius: 0;
}

.table-wrap th,
.table-wrap td {
  border: 1px solid var(--color-border);
  padding: var(--spacing-sm) var(--spacing-md);
  text-align: left;
}

.table-wrap th {
  background: var(--color-primary);
  color: var(--color-white);
  font-weight: 600;
  border-left: 1px solid rgba(255, 255, 255, 0.15);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  border-right: 1px solid rgba(255, 255, 255, 0.15);
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 0;
}

.table-wrap th:first-child {
  border-left-color: var(--color-primary);
}

.table-wrap th:last-child {
  border-right-color: var(--color-primary);
}

.table-wrap tr:nth-child(even) {
  background: var(--color-accent);
}

.detail-body table *,
.table-wrap table * {
  color: inherit;
  margin-bottom: 0;
}

.detail-body table th,
.table-wrap table th {
  color: var(--color-white);
}

.detail-body table {
  width: 100%;
  border-collapse: collapse;
}

.detail-body th {
  background: var(--color-primary);
  color: var(--color-white);
  font-weight: 600;
  padding: var(--spacing-sm) var(--spacing-md);
  text-align: left;
  border-left: 1px solid rgba(255, 255, 255, 0.15);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  border-right: 1px solid rgba(255, 255, 255, 0.15);
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 0;
}

.detail-body td {
  border: 1px solid var(--color-border);
  padding: var(--spacing-sm) var(--spacing-md);
  text-align: left;
}

.content-sidebar {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: var(--spacing-xl);
  align-items: start;
}

.content-main {
  min-width: 0;
}

.sidebar {
  background: var(--color-white);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  position: sticky;
  top: calc(var(--header-height) + var(--spacing-md));
}

.sidebar-block {
  padding-bottom: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--color-border);
}

.sidebar-block:last-child {
  padding-bottom: 0;
  margin-bottom: 0;
  border-bottom: none;
}

.sidebar-title {
  font-size: 1.1rem;
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--color-primary);
  color: var(--color-text);
}

.sidebar-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sidebar-links li {
  margin-bottom: var(--spacing-xs);
}

.sidebar-links a {
  display: block;
  padding: var(--spacing-sm);
  font-size: 0.9rem;
  color: var(--color-text-light);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.sidebar-links a:hover,
.sidebar-links a.active {
  background: var(--color-accent);
  color: var(--color-primary);
}

.sidebar-recent {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sidebar-recent li {
  margin-bottom: var(--spacing-sm);
}

.sidebar-recent li:last-child {
  margin-bottom: 0;
}

.sidebar-recent-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-xs);
  border-radius: var(--radius-sm);
  transition: var(--transition);
  text-decoration: none;
}

.sidebar-recent-item:hover {
  background: var(--color-accent);
}

.sidebar-recent-thumb {
  flex-shrink: 0;
  width: 80px;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--color-accent);
}

.sidebar-recent-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.sidebar-recent-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sidebar-recent-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.sidebar-recent-item:hover .sidebar-recent-title {
  color: var(--color-primary);
}

.sidebar-recent-date {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-xl);
}

.pagination-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  font-family: var(--font-secondary);
  font-weight: 600;
  font-size: 1rem;
  border-radius: var(--radius-sm);
  border: 2px solid var(--color-border);
  color: var(--color-text);
  transition: var(--transition);
}

.pagination-link:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: rgba(20, 187, 242, 0.05);
}

.pagination-link.active {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.pagination-link.disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.pagination-link.disabled:hover {
  border-color: var(--color-border);
  color: var(--color-text);
  background: transparent;
}

.error-404 {
  text-align: center;
  padding: var(--spacing-xxl) 0;
}

.error-404 h1 {
  font-size: 5rem;
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.error-404 h2 {
  font-size: 2rem;
  margin-bottom: var(--spacing-md);
}

.error-404 p {
  font-size: 1.1rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-xl);
}

.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 1000;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--color-primary-dark);
  transform: translateY(-3px);
}

.section-center {
  text-align: center;
  margin-top: var(--spacing-xl);
}

.detail-image {
  border-radius: var(--radius-lg);
  width: 100%;
}

/* ========================================
   Case Detail Page
   ======================================== */
.case-detail-header {
  margin-bottom: var(--spacing-xl);
}

.case-detail-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  flex-wrap: wrap;
}

.case-detail-tag {
  display: inline-block;
  padding: 6px 16px;
  background: var(--color-secondary);
  color: var(--color-white);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-radius: var(--radius-sm);
}

.case-detail-year {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  font-weight: 500;
  font-family: var(--font-secondary);
}

.case-detail-subtitle {
  font-size: 1.1rem;
  color: var(--color-text-light);
  line-height: 1.6;
  margin-top: var(--spacing-sm);
}

/* Case Testimonial */
.case-testimonial {
  background: var(--color-accent);
  border-left: 4px solid var(--color-secondary);
  padding: var(--spacing-lg) var(--spacing-xl);
  margin: var(--spacing-lg) 0;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.case-testimonial p {
  font-size: 1.05rem;
  font-style: italic;
  color: var(--color-text);
  line-height: 1.8;
  margin-bottom: var(--spacing-sm);
}

.case-testimonial cite {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-secondary);
  font-style: normal;
}

/* Case Detail CTA */
.case-detail-cta {
  margin-top: var(--spacing-xl);
  padding: var(--spacing-xl);
  background: linear-gradient(135deg, rgba(255, 151, 28, 0.08) 0%, rgba(20, 187, 242, 0.05) 100%);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  text-align: center;
}

.case-detail-cta h3 {
  font-size: 1.5rem;
  color: var(--color-dark);
  margin-bottom: var(--spacing-sm);
}

.case-detail-cta p {
  font-size: 1rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-lg);
}

/* ========================================
   Article Detail Page
   ======================================== */
.article-detail-header {
  margin-bottom: var(--spacing-xl);
}

.article-detail-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  flex-wrap: wrap;
}

.article-detail-date {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.88rem;
  color: var(--color-text-muted);
}

.article-detail-date svg {
  flex-shrink: 0;
  color: var(--color-text-muted);
}

.article-detail-category {
  display: inline-block;
  padding: 4px 12px;
  background: var(--color-primary);
  color: var(--color-white);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-radius: var(--radius-sm);
}

.article-detail-read {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.article-detail-subtitle {
  font-size: 1.15rem;
  color: var(--color-text-light);
  line-height: 1.6;
  margin-top: var(--spacing-sm);
  font-style: italic;
}

.article-detail-image {
  margin-bottom: var(--spacing-xl);
}

/* Article Footer */
.article-detail-footer {
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-md);
}

.article-detail-tags {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.tag-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-dark);
}

.tag-link {
  display: inline-block;
  padding: 4px 14px;
  background: var(--color-accent);
  color: var(--color-text-light);
  font-size: 0.8rem;
  font-weight: 500;
  border-radius: 20px;
  transition: var(--transition);
  text-decoration: none;
}

.tag-link:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

.article-detail-share {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.share-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-dark);
}

.share-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-accent);
  color: var(--color-text-light);
  transition: var(--transition);
  text-decoration: none;
}

.share-link:hover {
  background: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
}

/* ========================================
   Product Detail Actions
   ======================================== */
.product-detail-actions {
  display: flex;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
  flex-wrap: wrap;
}

.product-detail-actions .btn {
  padding: 14px 28px;
  font-size: 1rem;
}

/* Product Detail Description */
.product-detail-description {
  font-size: 1.05rem;
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: var(--spacing-lg);
}

/* Product Main Image Badge */
/* Product Detail Highlights */
.product-detail-highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  background: var(--color-accent);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-md);
}

.product-highlight {
  font-size: 0.9rem;
  color: var(--color-text);
}

.product-highlight strong {
  color: var(--color-dark);
}
.category-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
}

.category-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  background: var(--color-white);
  border: 1px solid var(--color-border);
}

.category-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
  border-color: var(--color-primary);
}

.category-image {
  position: relative;
  padding-bottom: 75%;
  overflow: hidden;
}

.category-image img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.category-card:hover .category-image img {
  transform: scale(1.1);
}

.category-content {
  padding: var(--spacing-md);
  text-align: center;
}

.category-title {
  font-size: 1.1rem;
  color: var(--color-dark);
  margin-bottom: var(--spacing-xs);
}

/* FAQ Section */
.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  max-width: 1000px;
  margin: 0 auto;
}

.faq-item {
  background: var(--color-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  padding: var(--spacing-lg);
  transition: var(--transition);
  position: relative;
}

.faq-item:hover {
  border-color: var(--color-primary);
  box-shadow: 0 4px 20px rgba(20, 187, 242, 0.1);
}

.faq-item.active {
  border-color: var(--color-primary);
  background: linear-gradient(135deg, rgba(20, 187, 242, 0.03) 0%, rgba(255, 255, 255, 1) 100%);
}

.faq-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--color-primary);
  border-radius: 4px 0 0 4px;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.faq-item.active::before {
  opacity: 1;
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-md);
  cursor: pointer;
  font-family: var(--font-secondary);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-dark);
  transition: var(--transition);
}

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

.faq-item.active .faq-question {
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.faq-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  color: var(--color-text-light);
  transition: transform 0.3s ease, color 0.3s ease;
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
  color: var(--color-primary);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, margin 0.4s ease;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  margin-top: var(--spacing-sm);
}

.faq-answer p {
  font-size: 0.95rem;
  color: var(--color-text-light);
  line-height: 1.7;
  padding-bottom: var(--spacing-xs);
}

/* Review Section */
.review-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.review-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  border: 1px solid var(--color-border);
  transition: var(--transition);
}

.review-card:hover {
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
  border-color: var(--color-primary);
}

.review-rating {
  display: flex;
  gap: 4px;
  margin-bottom: var(--spacing-md);
}

.review-rating svg {
  width: 20px;
  height: 20px;
  fill: var(--color-secondary);
}

.review-content {
  font-size: 1rem;
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: var(--spacing-md);
}

.review-author {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.review-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-family: var(--font-secondary);
  font-weight: 700;
  font-size: 1.1rem;
}

.review-info h4 {
  font-size: 1rem;
  margin-bottom: 2px;
}

.review-info p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin: 0;
}

/* Factory Strength Section */
.factory-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
}

.factory-card {
  text-align: center;
  padding: var(--spacing-lg);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  transition: var(--transition);
}

.factory-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  border-color: var(--color-primary);
}

.factory-icon {
  width: 70px;
  height: 70px;
  margin: 0 auto var(--spacing-md);
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
}

.factory-icon svg {
  width: 32px;
  height: 32px;
}

.factory-card h3 {
  font-size: 1.1rem;
  color: var(--color-dark);
  margin-bottom: var(--spacing-sm);
}

.factory-card p {
  font-size: 0.9rem;
  color: var(--color-text-light);
}

/* Product Detail Inquiry Section */
.inquiry-section {
  background: linear-gradient(135deg, #0a1628 0%, #1a3a5c 100%);
  padding: var(--spacing-xxl) 0;
  position: relative;
  overflow: hidden;
}

.inquiry-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at 80% 20%, rgba(20, 187, 242, 0.15) 0%, transparent 60%),
              radial-gradient(ellipse at 20% 80%, rgba(255, 151, 28, 0.10) 0%, transparent 50%);
  pointer-events: none;
}

.inquiry-section .container {
  position: relative;
  z-index: 1;
}

.inquiry-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: stretch;
}

.inquiry-aside {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(8px);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.inquiry-aside-label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-secondary);
  margin-bottom: var(--spacing-xs);
}

.inquiry-aside h2 {
  font-size: 2.2rem;
  margin-bottom: var(--spacing-sm);
  color: var(--color-white);
}

.inquiry-aside-desc {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.7;
  margin-bottom: var(--spacing-xl);
}

.inquiry-aside-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.inquiry-aside-list li {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.inquiry-aside-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(20, 187, 242, 0.15);
  border: 1px solid rgba(20, 187, 242, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
}

.inquiry-aside-icon svg {
  width: 20px;
  height: 20px;
}

.inquiry-aside-text {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.5;
}

.inquiry-aside-text strong {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-secondary);
  margin-bottom: 2px;
  font-weight: 600;
}

.inquiry-form-card {
  background: var(--color-white);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-primary);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.inquiry-form-card h3 {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-lg);
  color: var(--color-dark);
}

.quote-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.quote-form .form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
}

.quote-form .form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.quote-form label {
  font-family: var(--font-secondary);
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--color-text);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.quote-form input,
.quote-form textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-primary);
  font-size: 1rem;
  color: var(--color-text);
  transition: var(--transition);
  background: var(--color-white);
}

.quote-form input:hover,
.quote-form textarea:hover {
  border-color: var(--color-primary);
}

.quote-form input:focus,
.quote-form textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(20, 187, 242, 0.1);
}

.quote-form textarea {
  resize: vertical;
  min-height: 120px;
}

.quote-form .btn-submit {
  width: 100%;
  padding: 14px 24px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: var(--color-white);
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-secondary);
  font-weight: 700;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  cursor: pointer;
  transition: var(--transition);
}

.quote-form .btn-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(20, 187, 242, 0.3);
}

/* Subcategory Section */
.subcategory-section {
  margin-bottom: var(--spacing-xl);
}

.subcategory-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  justify-content: center;
}

.subcategory-item {
  padding: var(--spacing-sm) var(--spacing-lg);
  background: var(--color-white);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-secondary);
  font-weight: 600;
  color: var(--color-text);
  transition: var(--transition);
}

.subcategory-item:hover,
.subcategory-item.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}

/* 搜索容器样式 */
.search-section {
    width: 100%;
    max-width: 500px;
    padding: 30px;
    box-sizing: border-box;
    margin-left: auto;
    margin-right: auto;
}
.sidebar-search {
  padding: 0;
  margin-bottom: 20px;
}
.search-form {
    display: flex;
    width: 100%;
}

.search-input {
    flex: 1;
    padding: 14px 15px;
    font-size: 14px;
    border: 1px solid #ccc;
    border-radius: var(--radius-lg) 0 0 var(--radius-lg);
    outline: none;
    transition: border-color 0.3s ease;
}

.search-input:focus {
    border-color: var(--color-primary);
}

.search-button {
    padding: 10px 18px;
    padding-left: 14px;
    font-size: 14px;
    color: white;
    background-color: var(--color-primary);
    border: 1px solid var(--color-primary);
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
    cursor: pointer;
    transition: background-color 0.3s ease;
}
.search-button svg {
  width: 20px;
  height: 20px;
}

.search-button:hover {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
}

@media (max-width: 992px) {
  .header-cta {
    display: none;
  }

  .main-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-white);
    flex-direction: column;
    justify-content: flex-start;
    padding: 0;
    gap: 0;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.08);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1),
                opacity 0.3s ease,
                visibility 0.3s ease;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    z-index: 999;
  }

  .main-nav.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .main-nav .nav-link {
    display: block;
    width: 100%;
    padding: 18px 24px;
    text-align: center;
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text);
    border-bottom: 1px solid var(--color-border);
    text-transform: none;
    letter-spacing: 0;
  }

  .main-nav .nav-link:hover,
  .main-nav .nav-link.active {
    color: var(--color-primary);
    background: var(--color-accent);
  }

  .main-nav .nav-link.active::after {
    display: none;
  }

  .main-nav .nav-dropdown {
    width: 100%;
    text-align: center;
  }

  .main-nav .nav-dropdown > .nav-link {
    position: relative;
    padding-right: 50px;
  }

  .main-nav .nav-dropdown > .nav-link::after {
    content: '+';
    position: absolute;
    right: 24px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.2rem;
    font-weight: 400;
    color: var(--color-text-light);
    transition: transform 0.3s ease, color 0.3s ease;
  }

  .main-nav .nav-dropdown.open > .nav-link::after {
    content: '−';
    color: var(--color-primary);
    transform: translateY(-50%) rotate(180deg);
  }

  .main-nav .nav-dropdown.open > .nav-link {
    color: var(--color-primary);
    background: var(--color-accent);
  }

  .main-nav .dropdown-menu {
    position: static;
    width: 100%;
    min-width: 0;
    top: auto;
    left: auto;
    transform: none;
    opacity: 1;
    visibility: visible;
    box-shadow: none;
    border-radius: 0;
    padding: 0;
    margin: 0;
    background: var(--color-white);
    display: none;
    overflow: hidden;
    max-height: 0;
    transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: auto;
  }

  .main-nav .nav-dropdown:hover .dropdown-menu {
    transform: none;
    opacity: 1;
    visibility: visible;
  }

  .main-nav .nav-dropdown.open .dropdown-menu {
    display: block;
    max-height: 600px;
    overflow: scroll;
  }

  .main-nav .dropdown-item {
    display: block;
    width: 100%;
    padding: 0;
    text-align: center;
    font-size: 0.9rem;
    font-weight: 400;
    color: var(--color-text-light);
    border-bottom: 1px solid var(--color-border);
    line-height: 1.4;
    white-space: normal;
    transition: color 0.2s ease, background 0.2s ease, padding 0.2s ease;
  }

  .main-nav .dropdown-item:last-child {
    border-bottom: none;
  }

  .main-nav .dropdown-item:hover {
    color: var(--color-primary);
    background: var(--color-accent);
  }

  .header.scrolled .main-nav .nav-link,
  .header.scrolled .main-nav .nav-link:hover,
  .header.scrolled .main-nav .nav-link.active {
    color: var(--color-text);
  }

  .main-nav .sub-navs {
    position: static;
    width: 100%;
    min-width: 0;
    top: auto;
    left: auto;
    transform: none;
    opacity: 1;
    visibility: visible;
    box-shadow: none;
    border-radius: 0;
    padding: 0;
    margin: 0;
    background: var(--color-white);
    display: none;
    overflow: hidden;
    max-height: 0;
    transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: auto;
  }

  .main-nav .dropdown-menu:hover .sub-navs {
    transform: none;
    opacity: 1;
    visibility: visible;
  }

  .main-nav .has-sub.open .sub-navs {
    transform: none;
    opacity: 1;
    visibility: visible;
    display: block;
    max-height: 600px;
    overflow: scroll;
  }

  .main-nav .sub-navs li {
    display: block;
    width: 100%;
    padding: 14px 24px;
    text-align: center;
    font-size: 0.9rem;
    font-weight: 400;
    color: var(--color-text-light);
    border-bottom: 1px solid var(--color-border);
    line-height: 1.4;
    white-space: normal;
    transition: color 0.2s ease, background 0.2s ease, padding 0.2s ease;
  }

  .main-nav .sub-navs li:last-child {
    border-bottom: none;
  }

  .main-nav .sub-link {
    display: block;
    width: 100%;
    padding: 16px 24px;
    text-align: center;
    color: var(--color-text);
    text-transform: none;
    letter-spacing: 0;
  }

  .main-nav .has-sub > .sub-link {
    position: relative;
    padding-right: 50px;
  }

  .main-nav .has-sub > .sub-link::after {
    content: '+';
    position: absolute;
    right: 24px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.2rem;
    font-weight: 400;
    color: var(--color-text-light);
    transition: transform 0.3s ease, color 0.3s ease;
  }

  .main-nav .has-sub.open > .sub-link::after {
    content: '−';
    color: var(--color-primary);
    transform: translateY(-50%) rotate(180deg);
  }

  .main-nav .has-sub.open > .sub-link {
    color: var(--color-primary);
    background: var(--color-accent);
  }


  .mobile-menu-btn {
    display: flex;
    z-index: 1100;
  }

  .mobile-menu-btn.active span {
    background: var(--color-primary);
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .about-content {
    grid-template-columns: 1fr;
  }

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

  .product-detail {
    grid-template-columns: 1fr;
  }

  .product-detail-highlights {
    grid-template-columns: 1fr;
  }

  .product-thumbnails {
    width: 100%;
  }

  .product-thumbnail {
    flex: 0 0 25%;
    min-width: 0;
  }

  .content-sidebar {
    grid-template-columns: 1fr;
  }

  .sidebar {
    display: none;
  }

  .article-detail-footer {
    flex-direction: column;
    align-items: flex-start;
  }

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

  .quote-form .form-row {
    grid-template-columns: 1fr;
  }

  .contact-form-card .form-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  :root {
    --container-padding: 16px;
    --spacing-xl: 32px;
    --spacing-xxl: 48px;
  }

  h1 { font-size: 1.75rem; }
  h2 { font-size: 1.5rem; }
  h3 { font-size: 1.25rem; }

  .hero-title {
    font-size: 2rem;
  }

  .hero-description {
    font-size: 1rem;
  }

  .section-title {
    font-size: 1.75rem;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stat-number {
    font-size: 2rem;
  }

  .product-grid,
  .article-grid {
    grid-template-columns: 1fr;
  }

  .case-item {
    grid-template-columns: 1fr;
  }

  .case-item-reverse {
    direction: ltr;
  }

  .case-item-image {
    min-height: 280px;
  }

  .case-item-body {
    padding: var(--spacing-lg);
  }

  .case-item-title {
    font-size: 1.4rem;
  }

  .case-item-number {
    font-size: 2.5rem;
  }

  .page-banner {
    padding: calc(var(--header-height) + 48px) 0 48px;
  }

  .page-banner-title {
    font-size: 2rem;
  }

  .sub-header {
    padding: calc(var(--header-height) + 32px) 0 24px;
  }

  .case-detail-cta {
    padding: var(--spacing-lg) var(--spacing-md);
  }

  .case-testimonial {
    padding: var(--spacing-md);
  }

  .product-detail-info h1 {
    font-size: 1.75rem;
  }

  .detail-body h2 {
    font-size: 1.5rem;
  }

  .detail-body h3 {
    font-size: 1.25rem;
  }

  .about-image-sub {
    grid-template-columns: 1fr;
  }

  .about-features {
    grid-template-columns: 1fr;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .pagination-link {
    width: 36px;
    height: 36px;
    font-size: 0.9rem;
  }

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

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
  }

  .stat-item {
    padding: var(--spacing-md) var(--spacing-sm);
  }

  .stat-number {
    font-size: 2rem;
  }

  .stat-label {
    font-size: 0.85rem;
  }

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

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

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

  .inquiry-content {
    grid-template-columns: 1fr;
  }
}