/*
 * Theme: Machinery Che Theme
 * Author: Your Name
 * Description: B2B automotive parts export WordPress theme
 */

/* CSS Variables */
:root {
  --color-primary: #1e40af;
  --color-primary-light: #3b82f6;
  --color-secondary: #1f2937;
  --color-accent: #f59e0b;
  --color-accent-dark: #d97706;
  --color-text: #374151;
  --color-text-light: #6b7280;
  --color-background: #ffffff;
  --color-background-alt: #f9fafb;
  --color-background-dark: #111827;
  --color-background-dark-alt: #1f2937;
  --color-border: #e5e7eb;
  --color-border-dark: #374151;
  --color-success: #10b981;
  --color-error: #ef4444;

  --font-mono: 'Courier New', Courier, ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;

  --border-radius: 8px;
  --box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --box-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);

  --transition: all 0.3s ease;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-background);
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--color-secondary);
}

/* Container */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  margin-top: 0;
  margin-bottom: var(--spacing-sm);
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-secondary);
}

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

p {
  margin-top: 0;
  margin-bottom: var(--spacing-sm);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: 500;
  line-height: 1;
  border-radius: var(--border-radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.btn-primary {
  background-color: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
}

.btn-primary:hover {
  background-color: var(--color-secondary);
  border-color: var(--color-secondary);
  color: #ffffff;
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

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

.btn-accent {
  background-color: var(--color-accent);
  color: #ffffff;
  border-color: var(--color-accent);
}

.btn-accent:hover {
  background-color: #d97706;
  border-color: #d97706;
  color: #ffffff;
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: #ffffff;
  box-shadow: var(--box-shadow);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-sm) var(--spacing-md);
}

.site-branding {
  display: flex;
  align-items: center;
}

.site-logo {
  height: 60px;
  width: auto;
}

.site-title {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 700;
}

.site-title a {
  color: var(--color-secondary);
}

.navigation {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.main-menu {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--spacing-md);
}

.main-menu li {
  position: relative;
}

.main-menu a {
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--color-secondary);
  font-weight: 500;
  border-radius: var(--border-radius);
}

.main-menu a:hover,
.main-menu a.current-menu-item {
  color: var(--color-primary);
  background-color: var(--color-background-alt);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.language-switcher {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.language-switcher a {
  color: var(--color-text-light);
  font-weight: 500;
}

.language-switcher a.active,
.language-switcher a:hover {
  color: var(--color-primary);
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  padding: var(--spacing-xs);
  background: none;
  border: none;
  cursor: pointer;
}

.menu-toggle span,
.hamburger-line {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-secondary);
  transition: var(--transition);
}

/* Hero Section */
.hero-section {
  padding: 8rem 0 4rem;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: #ffffff;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.hero-title {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  color: #ffffff;
}

.hero-subtitle {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-lg);
  opacity: 0.9;
}

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

/* Section */
.section {
  padding: var(--spacing-2xl) 0;
}

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

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--spacing-2xl);
}

.archive-products + section .section-header,
.archive-products + section .section-header .section-title,
.products-content + .section .section-header,
.products-content + .section .section-header .section-title {
  text-align: center;
}

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

.section-subtitle {
  font-size: 1.125rem;
  color: var(--color-text-light);
}

/* Product Grid */
.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
}

.product-card {
  background-color: #ffffff;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  overflow: hidden;
  transition: var(--transition);
}

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

.product-thumbnail {
  position: relative;
  padding-top: 75%;
  background-color: var(--color-background-alt);
  overflow: hidden;
}

.product-thumbnail img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-info {
  padding: var(--spacing-md);
}

.product-title {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xs);
}

.product-title a {
  color: var(--color-secondary);
}

.product-meta {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.product-meta span {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.product-card .btn {
  margin-top: var(--spacing-md);
  width: 100%;
}

/* Product Detail */
.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
  padding-top: 100px;
}

.product-detail-images {
  border-radius: var(--border-radius);
  overflow: hidden;
  background-color: var(--color-background-alt);
}

.product-gallery-thumbnails {
  margin-top: var(--spacing-md);
}

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

.thumbnail-item {
  border-radius: var(--border-radius);
  overflow: hidden;
  cursor: pointer;
  transition: opacity 0.3s ease;
}

.thumbnail-item:hover {
  opacity: 0.8;
}

.thumbnail-item img {
  width: 100%;
  height: 80px;
  object-fit: cover;
}

.main-image {
  padding-top: 75%;
  position: relative;
}

.main-image img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.no-image {
  padding-top: 75%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.no-image svg {
  width: 120px;
  height: 120px;
  color: var(--color-text-light);
}

.product-detail-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.product-header h1 {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
}

.product-meta-row {
  display: flex;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--color-border);
}

.meta-label {
  font-weight: 600;
  color: var(--color-text-light);
  min-width: 180px;
}

.meta-value {
  color: var(--color-secondary);
}

.product-badges {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}

.detail-badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  color: #fff;
}

.detail-badge-new {
  background-color: #10b981;
}

.detail-badge-featured {
  background-color: #f59e0b;
}

.meta-value-status.in_stock {
  color: #10b981;
}

.meta-value-status.need_order {
  color: #f59e0b;
}

.meta-value-status.out_of_stock {
  color: #ef4444;
}

.product-inquiry-box {
  margin-top: var(--spacing-md);
  padding: var(--spacing-lg);
  background: var(--color-primary);
  border-radius: 8px;
  text-align: center;
}

.product-inquiry-box .inquiry-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: #ffffff;
  margin: 0 0 var(--spacing-xs);
}

.product-inquiry-box .inquiry-text {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.85);
  margin: 0 0 var(--spacing-md);
}

.product-inquiry-box .btn {
  width: 100%;
  justify-content: center;
  padding: 14px 24px;
  font-size: 1rem;
  font-weight: 600;
  background: #ffffff;
  color: var(--color-primary);
  border: none;
}

.product-inquiry-box .btn:hover {
  background: #f0f0f0;
}

.product-features,
.product-description {
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
}

.product-features h2,
.product-description h2 {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-md);
}

.features-content ul,
.description-content ul {
  margin: 0;
  padding-left: 1.5rem;
}

.features-content li,
.description-content li {
  margin-bottom: var(--spacing-xs);
  color: var(--color-secondary);
}

.product-specifications h2 {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-md);
}

.spec-row {
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--color-border);
}

.spec-label {
  font-weight: 600;
  color: var(--color-text-light);
  display: block;
  margin-bottom: var(--spacing-xs);
}

.spec-value {
  color: var(--color-secondary);
}

.full-specs-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 10px;
}

.full-specs-table td {
  padding: 10px 12px;
  border: 1px solid var(--color-border);
}

.full-specs-table td.spec-name {
  font-weight: 600;
  background: #f8f9fa;
  width: 40%;
  color: var(--color-text-light);
}

.full-specs-table td.spec-val {
  width: 60%;
}

.section-title {
  font-size: 24px;
  font-weight: 700;
  color: #1a1a2e;
  margin-bottom: 24px;
  padding-bottom: 12px;
  position: relative;
  text-align: center;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, #667eea, #764ba2);
}

.detail-title {
  font-size: 20px;
  font-weight: 600;
  color: #1a1a2e;
  margin-bottom: 16px;
  padding: 12px 16px;
  background: linear-gradient(135deg, #f8f9ff 0%, #f0f4ff 100%);
  border-left: 4px solid #667eea;
  border-radius: 0 8px 8px 0;
}

.product-documents {
  padding: var(--spacing-md);
  background-color: var(--color-background-alt);
  border-radius: var(--border-radius);
}

.product-inquiry-cta {
  padding: var(--spacing-lg);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  border-radius: var(--border-radius);
  color: #ffffff;
  text-align: center;
}

.product-inquiry-cta h3 {
  color: #ffffff;
  margin-bottom: var(--spacing-xs);
}

.product-inquiry-cta p {
  opacity: 0.9;
  margin-bottom: var(--spacing-md);
}

.product-inquiry-cta .btn {
  background-color: #ffffff;
  color: var(--color-primary);
}

.product-inquiry-cta .btn:hover {
  background-color: var(--color-accent);
  color: #ffffff;
}

/* Related Products */
.related-products {
  margin-top: var(--spacing-2xl);
  padding-top: var(--spacing-2xl);
  border-top: 1px solid var(--color-border);
}

.related-products h2 {
  font-size: 2rem;
  margin-bottom: var(--spacing-lg);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: var(--spacing-lg);
}

.related-product-card {
  background-color: #ffffff;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  padding: var(--spacing-md);
  text-align: center;
}

.product-thumbnail {
  padding-top: 75%;
  margin-bottom: var(--spacing-sm);
  border-radius: var(--border-radius);
  overflow: hidden;
}

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

.related-product-card h3 {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-xs);
}

.part-number {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background-color: var(--color-background-alt);
  border-radius: var(--border-radius);
  font-size: 0.875rem;
  color: var(--color-text-light);
}

/* Inquiry Form */
.inquiry-form-container {
  max-width: 700px;
  margin: 0 auto;
  padding: var(--spacing-lg);
  background-color: #ffffff;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow-lg);
}

.inquiry-form-title {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.inquiry-form-title h3 {
  font-size: 1.75rem;
}

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

.form-group label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
  color: var(--color-secondary);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  transition: var(--transition);
  font-family: var(--font-sans);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

.form-submit {
  text-align: center;
}

.form-submit .btn {
  width: 100%;
  padding: 1rem 2rem;
}

.form-message {
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-md);
}

.form-message.success {
  background-color: #d1fae5;
  color: #065f46;
  border: 1px solid #10b981;
}

.form-message.error {
  background-color: #fee2e2;
  color: #991b1b;
  border: 1px solid #ef4444;
}

/* Contact Section */
.contact-section {
  padding: var(--spacing-2xl) 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
}

.contact-info h2 {
  font-size: 2rem;
  margin-bottom: var(--spacing-sm);
}

.contact-info > p {
  margin-bottom: var(--spacing-lg);
  color: var(--color-text-light);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) 0;
  font-size: 1.125rem;
}

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

.social-links {
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
}

.social-links h3 {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-md);
}

.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  margin-right: var(--spacing-sm);
  background-color: var(--color-background-alt);
  border-radius: 50%;
  color: var(--color-secondary);
  transition: var(--transition);
}

.social-links a:hover {
  background-color: var(--color-primary);
  color: #ffffff;
}

/* Certifications */
.certifications-section {
  padding: var(--spacing-2xl) 0;
}

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

.certification-item {
  text-align: center;
  padding: var(--spacing-lg);
  background-color: #ffffff;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
}

.certification-item img {
  max-width: 100%;
  height: auto;
}

/* Case Studies */
.case-studies-section {
  padding: var(--spacing-2xl) 0;
}

.case-studies-section h2 {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.case-studies-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--spacing-lg);
}

.case-study-card {
  background-color: #ffffff;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  overflow: hidden;
  transition: var(--transition);
}

.case-study-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--box-shadow-lg);
}

.case-study-thumbnail {
  padding-top: 60%;
  background-color: var(--color-background-alt);
  overflow: hidden;
}

.case-study-thumbnail img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

.case-study-header {
  margin-bottom: var(--spacing-sm);
}

.case-study-header h3 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xs);
}

.case-study-header h3 a {
  color: var(--color-secondary);
}

.case-study-industry {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background-color: var(--color-background-alt);
  border-radius: 20px;
  font-size: 0.875rem;
  color: var(--color-primary);
}

.case-study-excerpt {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-md);
}

/* Page Header */
.page-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.page-title {
  font-size: 3rem;
  margin-bottom: var(--spacing-sm);
}

/* Archive Header */
.archive-header {
  margin-bottom: var(--spacing-2xl);
}

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

.taxonomy-type {
  display: block;
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-xs);
}

/* Posts Grid */
.posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--spacing-lg);
}

article.post {
  background-color: #ffffff;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  overflow: hidden;
}

.post-thumbnail {
  padding-top: 56.25%;
  background-color: var(--color-background-alt);
  overflow: hidden;
}

.post-thumbnail img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.post-content {
  padding: var(--spacing-md);
}

.post-header {
  margin-bottom: var(--spacing-sm);
}

.post-title {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
}

.post-title a {
  color: var(--color-secondary);
}

.post-meta {
  display: flex;
  gap: var(--spacing-md);
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-sm);
}

.post-meta svg {
  margin-right: 4px;
}

.post-excerpt {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-md);
}

.read-more {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-weight: 500;
  color: var(--color-primary);
}

.read-more svg {
  transition: transform 0.2s;
}

.read-more:hover svg {
  transform: translateX(4px);
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-2xl);
}

.pagination a,
.pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 var(--spacing-sm);
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  color: var(--color-secondary);
  transition: var(--transition);
}

.pagination a:hover {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: #ffffff;
}

.pagination .current {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: #ffffff;
}

/* Footer */
.site-footer {
  background-color: var(--color-secondary);
  color: #ffffff;
  padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

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

.footer-section h3 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-md);
  color: #ffffff;
}

.footer-section p {
  color: rgba(255, 255, 255, 0.8);
}

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

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

.footer-section a {
  color: rgba(255, 255, 255, 0.8);
}

.footer-section a:hover {
  color: #ffffff;
}

.footer-certifications {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.footer-certifications img {
  height: 50px;
  opacity: 0.8;
  transition: var(--transition);
}

.footer-certifications img:hover {
  opacity: 1;
}

.footer-bottom {
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.875rem;
}

/* Stats Section */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-xl);
}

.stat-item {
  text-align: center;
}

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

.stat-suffix {
  font-size: 1.5rem;
  color: var(--color-primary);
}

.stat-label {
  font-size: 1rem;
  color: var(--color-text-light);
}

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

.value-card {
  padding: var(--spacing-lg);
  background-color: #ffffff;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  text-align: center;
}

.value-icon {
  margin-bottom: var(--spacing-md);
}

.value-icon img {
  width: 60px;
  height: 60px;
}

.value-card h3 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
}

.value-card p {
  color: var(--color-text-light);
}

/* Certifications Section */
.certifications-logos {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--spacing-lg);
}

.certification-item img {
  width: 100%;
  height: auto;
}

/* Industries Section */
.industries-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
}

.industry-item {
  text-align: center;
  padding: var(--spacing-lg);
  background-color: #ffffff;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
}

.industry-logo {
  margin-bottom: var(--spacing-md);
}

.industry-logo img {
  max-width: 100%;
  height: auto;
}

.industry-item h3 {
  font-size: 1.125rem;
}

/* No Results */
.no-posts,
.no-case-studies {
  text-align: center;
  padding: var(--spacing-2xl);
  background-color: #ffffff;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
}

.no-posts h2,
.no-case-studies h3 {
  margin-bottom: var(--spacing-sm);
}

/* Page Links */
.page-links {
  margin-top: var(--spacing-lg);
}

.page-links a,
.page-links span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 var(--spacing-sm);
  margin: 0 var(--spacing-xs);
  background-color: var(--color-background-alt);
  border-radius: var(--border-radius);
  color: var(--color-secondary);
}

/* Helper Classes */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.text-center {
  text-align: center;
}

.mt-20 {
  margin-top: 1.25rem;
}

.mb-20 {
  margin-bottom: 1.25rem;
}

/* SVG Icons */
svg {
  display: inline-block;
  vertical-align: middle;
}

/* Hero Background */
.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  z-index: -1;
}

/* Product Grid (alias for products-grid) */
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.products-grid.list-view {
  grid-template-columns: 1fr;
}

.products-grid.list-view .product-card {
  display: grid;
  grid-template-columns: 300px 1fr;
}

.products-grid.list-view .product-card-thumbnail {
  height: 200px;
}

/* 增强产品卡片 */
.product-card {
  position: relative;
  background-color: #ffffff;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--box-shadow-lg);
}

.product-card .product-image {
  position: relative;
  width: 100%;
  height: 280px;
  background-color: var(--color-background-alt);
  overflow: hidden;
}

.products-grid .product-card .product-card-title-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.5) 60%, transparent 100%);
  padding: 60px 16px 16px;
  transform: translateY(100%);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 10;
}

.products-grid .product-card:hover .product-card-title-overlay {
  transform: translateY(0);
}

.products-grid .product-card .product-card-title-overlay .product-title {
  font-size: 1rem;
  margin: 0;
}

.products-grid .product-card .product-card-title-overlay .product-title a {
  color: #fff;
}

.products-grid .product-card .product-card-title-overlay .product-title a:hover {
  color: #667eea;
}

.product-card .product-image a {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

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

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

.product-card .product-image.no-image {
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-card .product-image.no-image svg {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: var(--color-text-light);
}

/* Product Image */
.product-image {
  position: relative;
  padding-top: 75%;
  background-color: var(--color-background-alt);
  overflow: hidden;
}

.product-image img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

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

/* Product Content */
.product-content {
  padding: var(--spacing-md);
}

/* Product Category */
.product-category {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: var(--spacing-xs);
  min-height: 2em;
}

/* Product Part Number */
.product-part-number {
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-xs);
}

/* Product Excerpt */
.product-excerpt {
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-md);
  line-height: 1.5;
}

/* Product Link */
.product-link {
  margin-top: var(--spacing-md);
  width: 100%;
}

/* Section CTA */
.section-cta {
  text-align: center;
  margin-top: var(--spacing-xl);
}

/* Certification Icon */
.certification-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-md);
  color: var(--color-primary);
}

/* CTA Section */
.cta-section {
  padding: var(--spacing-2xl) 0;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: #ffffff;
}

.cta-content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.cta-content h2 {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
  color: #ffffff;
}

.cta-content p {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-lg);
  opacity: 0.9;
}

/* Large Button */
.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

/* Hero Section Enhancement */
.hero-section {
  position: relative;
  padding: 0;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: #ffffff;
  overflow: hidden;
  min-height: 100vh;
}

.hero-slider {
  position: relative;
  width: 100%;
  height: 100vh;
}

.hero-slider-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1s ease-in-out;
}

.hero-slider .hero-bg-pattern,
.hero-slider .hero-grid-overlay,
.hero-slider .hero-content,
.hero-slider .hero-diagonal-divider {
  display: none;
}

.hero-slide.active {
  opacity: 1;
}

.hero-slide-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(18, 52, 90, 0.85) 0%, rgba(28, 82, 140, 0.75) 100%);
}

.hero-slider-nav {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.75rem;
  z-index: 10;
}

.slider-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.8);
  background: transparent;
  cursor: pointer;
  transition: all 0.3s ease;
  padding: 0;
}

.slider-dot.active,
.slider-dot:hover {
  background: #ffffff;
  transform: scale(1.2);
}

.hero-content {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  z-index: 2;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  color: #ffffff;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.hero-subtitle {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-xl);
  opacity: 0.9;
}

/* Product Card Enhancement */
.product-card {
  background-color: #ffffff;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--box-shadow-lg);
}

/* Certification Item Enhancement */
.certification-item {
  text-align: center;
  padding: var(--spacing-xl);
  background-color: #ffffff;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.certification-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--box-shadow-lg);
}

.certification-item h3 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xs);
  color: var(--color-secondary);
}

.certification-item p {
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin: 0;
}

/* Responsive Enhancements */
@media screen and (max-width: 768px) {
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-subtitle {
    font-size: 1.25rem;
  }
  
  .cta-content h2 {
    font-size: 2rem;
  }
  
  .cta-content p {
    font-size: 1.125rem;
  }
}

@media screen and (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-subtitle {
    font-size: 1rem;
  }
  
  .cta-content h2 {
    font-size: 1.75rem;
  }
  
  .cta-content p {
    font-size: 1rem;
  }
  
  .certification-icon {
    font-size: 2.5rem;
  }
}

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

@keyframes pulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
  100% {
    transform: scale(1);
  }
}

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

/* Enhanced Hero Section */
.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></svg>');
  background-size: 100px 100px;
  opacity: 0.5;
}

.hero-content {
  animation: fadeInUp 0.8s ease-out;
}

.hero-buttons .btn {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hero-buttons .btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

/* Enhanced Product Cards */
.product-card {
  animation: fadeInUp 0.6s ease-out;
  animation-fill-mode: both;
}

.product-card:nth-child(1) { animation-delay: 0.1s; }
.product-card:nth-child(2) { animation-delay: 0.2s; }
.product-card:nth-child(3) { animation-delay: 0.3s; }
.product-card:nth-child(4) { animation-delay: 0.4s; }
.product-card:nth-child(5) { animation-delay: 0.5s; }
.product-card:nth-child(6) { animation-delay: 0.6s; }
.product-card:nth-child(7) { animation-delay: 0.7s; }
.product-card:nth-child(8) { animation-delay: 0.8s; }

/* Enhanced Certification Items */
.certification-item {
  animation: fadeInUp 0.6s ease-out;
  animation-fill-mode: both;
}

.certification-item:nth-child(1) { animation-delay: 0.1s; }
.certification-item:nth-child(2) { animation-delay: 0.2s; }
.certification-item:nth-child(3) { animation-delay: 0.3s; }
.certification-item:nth-child(4) { animation-delay: 0.4s; }

.certification-icon {
  transition: transform 0.3s ease;
}

.certification-item:hover .certification-icon {
  transform: scale(1.1);
}

/* Enhanced CTA Section */
.cta-section {
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  background-size: 200% 100%;
  animation: shimmer 3s infinite;
}

.cta-content {
  position: relative;
  z-index: 1;
  animation: fadeInUp 0.8s ease-out;
}

.cta-content .btn {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cta-content .btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

/* Enhanced Section Headers */
.section-header {
  animation: fadeInUp 0.6s ease-out;
}

.section-title {
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: var(--color-accent);
  border-radius: 2px;
}

/* Enhanced Buttons */
.btn {
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s ease;
}

.btn:hover::after {
  left: 100%;
}

/* Enhanced Container */
.container {
  position: relative;
}

/* Enhanced Footer */
.site-footer {
  position: relative;
  overflow: hidden;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="0.5"/></svg>');
  background-size: 80px 80px;
  opacity: 0.5;
}

/* Footer Widgets Container */
.footer-widgets {
  position: relative;
  z-index: 1;
}

/* Footer Widget Area */
.footer-widget-area {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1.5fr;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

/* Footer Widget */
.footer-widget {
  position: relative;
}

.footer-widget h4 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  color: #ffffff;
}

.footer-widget p {
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.6;
}

/* Footer Menu */
.footer-widget ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

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

.footer-categories {
  list-style: none;
  margin: 0;
  padding: 0;
}

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

.footer-categories a {
  display: inline-block;
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: all 0.3s ease;
  padding: 4px 0;
  position: relative;
}

.footer-categories a::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: width 0.3s ease;
}

.footer-categories a:hover {
  color: #ffffff;
  padding-left: 8px;
}

.footer-categories a:hover::before {
  width: 100%;
}

.footer-widget a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-widget a:hover {
  color: #ffffff;
}

/* Contact Info */
.contact-info {
  list-style: none;
  margin: 0;
  padding: 0;
}

.contact-info li {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}

.contact-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  flex-shrink: 0;
}

.contact-info li {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
}

.contact-info span {
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.4;
}

.contact-info a {
  color: rgba(255, 255, 255, 0.8);
}

.contact-info a:hover {
  color: #ffffff;
}

/* Certifications in Footer */
.certifications {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.cert-badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  background-color: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--border-radius);
  font-size: 0.875rem;
  font-weight: 500;
  color: #ffffff;
  transition: all 0.3s ease;
}

.cert-badge:hover {
  background-color: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.3);
}

/* Footer CTA */
.footer-cta {
  position: relative;
  padding: var(--spacing-xl);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  border-radius: var(--border-radius);
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.footer-cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  background-size: 200% 100%;
  animation: shimmer 3s infinite;
  border-radius: var(--border-radius);
}

.footer-cta h3 {
  position: relative;
  font-size: 1.75rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: #ffffff;
}

.footer-cta p {
  position: relative;
  font-size: 1.125rem;
  margin-bottom: var(--spacing-md);
  color: rgba(255, 255, 255, 0.9);
}

.footer-cta .btn {
  position: relative;
  background-color: #ffffff;
  color: var(--color-primary);
  border-color: #ffffff;
}

.footer-cta .btn:hover {
  background-color: var(--color-accent);
  color: #ffffff;
  border-color: var(--color-accent);
}

/* Footer Bottom Content */
.footer-bottom-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
}

.footer-bottom-content p {
  margin: 0;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.875rem;
}

.footer-bottom-content a {
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-bottom-content a:hover {
  color: #ffffff;
}

/* Footer Responsive */
@media screen and (max-width: 768px) {
  .footer-widget-area {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  .footer-cta {
    padding: var(--spacing-lg);
  }
  
  .footer-cta h3 {
    font-size: 1.5rem;
  }
  
  .footer-cta p {
    font-size: 1rem;
  }
}

@media screen and (max-width: 480px) {
  .footer-widget-area {
    gap: var(--spacing-md);
  }
  
  .footer-cta {
    padding: var(--spacing-md);
  }
  
  .footer-cta h3 {
    font-size: 1.25rem;
  }
  
  .footer-cta p {
    font-size: 0.875rem;
  }
  
  .certifications {
    gap: var(--spacing-xs);
  }
  
  .cert-badge {
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
  }
}

/* Footer Animations */
@keyframes footerFadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.footer-widget {
  animation: footerFadeIn 0.6s ease-out;
  animation-fill-mode: both;
}

.footer-widget:nth-child(1) { animation-delay: 0.1s; }
.footer-widget:nth-child(2) { animation-delay: 0.2s; }
.footer-widget:nth-child(3) { animation-delay: 0.3s; }
.footer-widget:nth-child(4) { animation-delay: 0.4s; }

.footer-cta {
  animation: footerFadeIn 0.8s ease-out;
  animation-delay: 0.5s;
  animation-fill-mode: both;
}

/* Footer Hover Effects */
.footer-widget {
  transition: transform 0.3s ease;
}

.footer-widget:hover {
  transform: translateY(-5px);
}

.cert-badge {
  transition: all 0.3s ease;
}

.cert-badge:hover {
  transform: scale(1.05);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* Footer Link Effects */
.footer-widget a {
  position: relative;
}

.footer-widget a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background-color: #ffffff;
  transition: width 0.3s ease;
}

.footer-widget a:hover::after {
  width: 100%;
}

/* Footer Social Icons (if added) */
.footer-social {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  color: #ffffff;
  transition: all 0.3s ease;
}

.footer-social a:hover {
  background-color: var(--color-accent);
  transform: translateY(-3px);
}

/* Footer Newsletter (if added) */
.footer-newsletter {
  margin-top: var(--spacing-md);
}

.footer-newsletter form {
  display: flex;
  gap: var(--spacing-xs);
}

.footer-newsletter input[type="email"] {
  flex: 1;
  padding: 0.75rem 1rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--border-radius);
  background-color: rgba(255, 255, 255, 0.1);
  color: #ffffff;
  font-size: 0.875rem;
}

.footer-newsletter input[type="email"]::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.footer-newsletter input[type="email"]:focus {
  outline: none;
  border-color: var(--color-accent);
  background-color: rgba(255, 255, 255, 0.15);
}

.footer-newsletter button {
  padding: 0.75rem 1.5rem;
  background-color: var(--color-accent);
  border: none;
  border-radius: var(--border-radius);
  color: #ffffff;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.footer-newsletter button:hover {
  background-color: #d97706;
}

/* Footer Back to Top */
.footer-back-to-top {
  position: absolute;
  right: var(--spacing-md);
  bottom: var(--spacing-md);
  width: 40px;
  height: 40px;
  background-color: rgba(255, 255, 255, 0.1);
  border: none;
  border-radius: 50%;
  color: #ffffff;
  cursor: pointer;
  transition: all 0.3s ease;
  z-index: 10;
}

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

.footer-back-to-top svg {
  width: 20px;
  height: 20px;
}

/* Footer Accessibility */
.footer-widget a:focus,
.cert-badge:focus,
.footer-cta .btn:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Footer Print Styles */
@media print {
  .site-footer {
    background-color: #ffffff !important;
    color: #000000 !important;
  }
  
  .footer-widget h4,
  .footer-cta h3 {
    color: #000000 !important;
  }
  
  .footer-widget p,
  .footer-cta p,
  .footer-bottom-content p,
  .footer-widget a,
  .contact-info span,
  .contact-info a {
    color: #333333 !important;
  }
  
  .footer-cta {
    background: #f0f0f0 !important;
  }
  
  .footer-cta .btn {
    background-color: #000000 !important;
    color: #ffffff !important;
  }
}

/* Enhanced Navigation */
.main-menu a {
  position: relative;
}

.main-menu a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width 0.3s ease;
}

.main-menu a:hover::after {
  width: 80%;
}

/* Smooth Scrolling */
html {
  scroll-behavior: smooth;
}

/* Selection Color */
::selection {
  background-color: var(--color-primary);
  color: #ffffff;
}

/* Focus Styles for Accessibility */
.btn:focus,
a:focus,
button:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Reduced Motion for Accessibility */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  html {
    scroll-behavior: auto;
  }
}

/* Search Results Page */
.search-results {
  padding: var(--spacing-2xl) 0;
}

.results-content {
  margin-top: var(--spacing-xl);
}

.results-count {
  margin-bottom: var(--spacing-lg);
  color: var(--color-text-light);
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--spacing-lg);
}

.result-card {
  display: flex;
  background-color: #ffffff;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.result-thumbnail {
  flex-shrink: 0;
  width: 150px;
  height: 150px;
  overflow: hidden;
}

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

.result-content {
  padding: var(--spacing-md);
  flex: 1;
}

.result-title {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xs);
}

.result-title a {
  color: var(--color-secondary);
}

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

.result-meta {
  margin-bottom: var(--spacing-sm);
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.result-excerpt {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-md);
  font-size: 0.875rem;
  line-height: 1.5;
}

.no-results {
  text-align: center;
  padding: var(--spacing-2xl);
  background-color: #ffffff;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
}

.no-results p {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-md);
}

/* Contact Page */
.contact-section {
  padding: var(--spacing-2xl) 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  margin-top: var(--spacing-xl);
}

.contact-info h2 {
  font-size: 2rem;
  margin-bottom: var(--spacing-sm);
}

.contact-info > p {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-lg);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) 0;
  font-size: 1.125rem;
}

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

.contact-item a {
  color: var(--color-text);
}

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

.contact-form-wrapper {
  background-color: #ffffff;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  padding: var(--spacing-lg);
}

.contact-map {
  margin-top: var(--spacing-2xl);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--box-shadow);
}

.contact-map iframe {
  width: 100%;
  height: 400px;
  border: none;
}

/* About Page */
.about-stats {
  padding: var(--spacing-2xl) 0;
  background-color: var(--color-background-alt);
}

.our-values {
  padding: var(--spacing-2xl) 0;
}

.our-values h2 {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

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

.value-card {
  padding: var(--spacing-lg);
  background-color: #ffffff;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.value-icon {
  margin-bottom: var(--spacing-md);
}

.value-icon img {
  width: 60px;
  height: 60px;
}

.value-card h3 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
}

.value-card p {
  color: var(--color-text-light);
}

/* Case Studies Page */
.case-studies-section {
  padding: var(--spacing-2xl) 0;
}

.case-studies-section h2 {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.case-studies-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--spacing-lg);
}

.case-study-card {
  background-color: #ffffff;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.case-study-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--box-shadow-lg);
}

.case-study-thumbnail {
  position: relative;
  padding-top: 60%;
  background-color: var(--color-background-alt);
  overflow: hidden;
}

.case-study-thumbnail img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.case-study-card:hover .case-study-thumbnail img {
  transform: scale(1.05);
}

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

.case-study-header {
  margin-bottom: var(--spacing-sm);
}

.case-study-header h3 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xs);
}

.case-study-header h3 a {
  color: var(--color-secondary);
}

.case-study-header h3 a:hover {
  color: var(--color-primary);
}

.case-study-industry {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background-color: var(--color-background-alt);
  border-radius: 20px;
  font-size: 0.875rem;
  color: var(--color-primary);
}

.case-study-excerpt {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-md);
  font-size: 0.875rem;
  line-height: 1.5;
}

.read-more {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-weight: 500;
  color: var(--color-primary);
}

.read-more svg {
  transition: transform 0.2s;
}

.read-more:hover svg {
  transform: translateX(4px);
}

.industries-section {
  padding: var(--spacing-2xl) 0;
  background-color: var(--color-background-alt);
}

.industries-section h2 {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

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

.industry-item {
  text-align: center;
  padding: var(--spacing-lg);
  background-color: #ffffff;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.industry-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--box-shadow-lg);
}

.industry-logo {
  margin-bottom: var(--spacing-md);
}

.industry-logo img {
  max-width: 100%;
  height: auto;
}

.industry-item h3 {
  font-size: 1.125rem;
}

.no-case-studies {
  text-align: center;
  padding: var(--spacing-2xl);
  background-color: #ffffff;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
}

.no-case-studies h3 {
  margin-bottom: var(--spacing-sm);
}

/* Product Card Template */
.product-card-thumbnail {
  position: relative;
  padding-top: 75%;
  background-color: var(--color-background-alt);
  overflow: hidden;
}

.product-card-thumbnail img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.product-card:hover .product-card-thumbnail img {
  transform: scale(1.05);
}

.product-card-content {
  padding: var(--spacing-md);
}

.product-card-header {
  margin-bottom: var(--spacing-sm);
}

.product-card-title {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xs);
}

.products-grid .product-card .product-card-title-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.5) 60%, transparent 100%);
  padding: 60px 16px 16px;
  transform: translateY(100%);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 10;
}

.products-grid .product-card:hover .product-card-title-overlay {
  transform: translateY(0);
}

.products-grid .product-card .product-card-title-overlay .product-card-title {
  font-size: 1rem;
  margin-bottom: 0;
}

.products-grid .product-card .product-card-title-overlay .product-card-title a {
  color: #fff;
}

.products-grid .product-card .product-card-title-overlay .product-card-title a:hover {
  color: #667eea;
}

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

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

.product-card-meta {
  margin-bottom: var(--spacing-sm);
  font-size: 0.875rem;
}

.meta-item {
  display: flex;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-xs);
}

.meta-label {
  font-weight: 600;
  color: var(--color-text-light);
}

.meta-value {
  color: var(--color-secondary);
}

.product-card-excerpt {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-md);
  font-size: 0.875rem;
  line-height: 1.5;
}

.product-card-pdf {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: 0.875rem;
  color: var(--color-primary);
  margin-top: var(--spacing-sm);
}

.product-card-pdf:hover {
  color: var(--color-accent);
}

/* Inquiry Form Styles */
.machinery-inquiry-form-container {
  max-width: 600px;
  margin: 0 auto;
  padding: var(--spacing-lg);
  background: #f9fafb;
  border-radius: var(--border-radius);
}

.machinery-form-title {
  text-align: center;
  margin-bottom: var(--spacing-lg);
  color: var(--color-secondary);
}

.machinery-inquiry-success {
  background-color: #d1fae5;
  color: #065f46;
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-lg);
  text-align: center;
}

.machinery-inquiry-product-info {
  background: white;
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-lg);
  border-left: 4px solid var(--color-primary);
}

.machinery-submit-btn {
  width: 100%;
  padding: 1rem;
  font-size: 1.125rem;
}

/* Button Small */
.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

/* Form Error State */
.form-group input.error,
.form-group textarea.error {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

/* Page Header Styles */
.page-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
  padding: var(--spacing-xl) 0;
}

.page-title {
  font-size: 3rem;
  margin-bottom: var(--spacing-sm);
}

.page-content {
  max-width: 800px;
  margin: 0 auto;
}

/* Social Links in Contact */
.social-links {
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
}

.social-links h3 {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-md);
}

.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  margin-right: var(--spacing-sm);
  background-color: var(--color-background-alt);
  border-radius: 50%;
  color: var(--color-secondary);
  transition: all 0.3s ease;
}

.social-links a:hover {
  background-color: var(--color-primary);
  color: #ffffff;
  transform: translateY(-3px);
}

/* Responsive Styles for New Additions */
@media screen and (max-width: 768px) {
  .search-results .results-grid {
    grid-template-columns: 1fr;
  }
  
  .result-card {
    flex-direction: column;
  }
  
  .result-thumbnail {
    width: 100%;
    height: 200px;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  .contact-map iframe {
    height: 300px;
  }
  
  .page-title {
    font-size: 2.5rem;
  }
  
  .case-studies-grid {
    grid-template-columns: 1fr;
  }
}

@media screen and (max-width: 480px) {
  .page-title {
    font-size: 2rem;
  }
  
  .contact-map iframe {
    height: 250px;
  }
  
  .machinery-inquiry-form-container {
    padding: var(--spacing-md);
  }
}

/* Global Enhancements */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Site Main Content */
.site-main {
  min-height: 60vh;
  padding-top: 0;
}

.single-product .site-main {
  padding-top: 100px;
}

/* Enhanced Section Styles */
.section {
  position: relative;
}

.section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

/* Enhanced Container */
.container {
  position: relative;
}

/* Enhanced Typography */
h1, h2, h3, h4, h5, h6 {
  letter-spacing: -0.025em;
}

p {
  letter-spacing: 0.01em;
}

/* Enhanced Links */
a {
  position: relative;
}

/* Enhanced Images */
img {
  transition: transform 0.3s ease, opacity 0.3s ease;
}

/* Enhanced Form Elements */
input, textarea, select {
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

/* Enhanced Card Styles */
.product-card,
.case-study-card,
.value-card,
.certification-item,
.industry-item {
  position: relative;
  overflow: hidden;
}

.product-card::before,
.case-study-card::before,
.value-card::before,
.certification-item::before,
.industry-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, transparent 0%, rgba(30, 64, 175, 0.05) 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.product-card:hover::before,
.case-study-card:hover::before,
.value-card:hover::before,
.certification-item:hover::before,
.industry-item:hover::before {
  opacity: 1;
}

/* Enhanced Button Styles */
.btn {
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s ease;
}

.btn:hover::before {
  left: 100%;
}

/* Enhanced Input Focus */
input:focus,
textarea:focus,
select:focus {
  transform: translateY(-1px);
}

/* Enhanced Page Transitions */
.page-template-default,
.page-template-page-about,
.page-template-page-contact,
.page-template-page-portfolio,
.single-product {
  animation: fadeIn 0.6s ease-out;
}

/* Enhanced Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-background-alt);
}

::-webkit-scrollbar-thumb {
  background: var(--color-primary);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary-dark);
}

/* Enhanced Loading States */
.loading {
  position: relative;
  pointer-events: none;
}

.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid var(--color-primary);
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Enhanced Tooltip */
[data-tooltip] {
  position: relative;
  cursor: pointer;
}

[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  padding: 0.5rem 1rem;
  background-color: var(--color-secondary);
  color: #ffffff;
  font-size: 0.75rem;
  border-radius: var(--border-radius);
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  z-index: 100;
}

[data-tooltip]:hover::after {
  opacity: 1;
  visibility: visible;
}

/* Enhanced Badge Styles */
.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: 20px;
  background-color: var(--color-primary);
  color: #ffffff;
}

.badge-success {
  background-color: var(--color-success);
}

.badge-warning {
  background-color: var(--color-accent);
}

.badge-error {
  background-color: var(--color-error);
}

/* Enhanced Tag Styles */
.tag {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: var(--border-radius);
  background-color: var(--color-background-alt);
  color: var(--color-text);
  transition: all 0.3s ease;
}

.tag:hover {
  background-color: var(--color-primary);
  color: #ffffff;
}

/* Enhanced Divider */
.divider {
  height: 1px;
  background-color: var(--color-border);
  margin: var(--spacing-lg) 0;
}

.divider-thick {
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
}

/* Enhanced Spacer */
.spacer {
  height: var(--spacing-lg);
}

.spacer-sm {
  height: var(--spacing-sm);
}

.spacer-md {
  height: var(--spacing-md);
}

.spacer-lg {
  height: var(--spacing-xl);
}

.spacer-xl {
  height: var(--spacing-2xl);
}

/* Enhanced Visibility */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Enhanced Print Styles */
@media print {
  .site-header,
  .site-footer,
  .btn,
  .menu-toggle,
  .navigation {
    display: none !important;
  }
  
  .site-main {
    padding-top: 0 !important;
  }
  
  .container {
    max-width: 100% !important;
    padding: 0 !important;
  }
  
  .product-card,
  .case-study-card,
  .value-card {
    box-shadow: none !important;
    border: 1px solid #ddd !important;
    page-break-inside: avoid;
  }
  
  a[href]::after {
    content: " (" attr(href) ")";
    font-size: 0.8em;
    color: #666;
  }
  
  a[href^="#"]::after,
  a[href^="javascript:"]::after {
    content: "";
  }
}

/* Enhanced Dark Mode Support (Optional) */
@media (prefers-color-scheme: dark) {
  :root {
    --color-background: #1a1a1a;
    --color-background-alt: #2d2d2d;
    --color-text: #e0e0e0;
    --color-text-light: #a0a0a0;
    --color-border: #404040;
  }
  
  .site-header {
    background-color: #1a1a1a;
    border-bottom: 1px solid #404040;
  }
  
  .product-card,
  .case-study-card,
  .value-card,
  .certification-item,
  .industry-item {
    background-color: #2d2d2d;
  }
  
  input,
  textarea,
  select {
    background-color: #2d2d2d;
    border-color: #404040;
    color: #e0e0e0;
  }
  
  input:focus,
  textarea:focus,
  select:focus {
    border-color: var(--color-primary);
  }
}

/* ==================== 首页新增模块样式 ==================== */

/* 统计数据模块 */
.stats-section {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: #ffffff;
  padding: var(--spacing-2xl) 0;
}

.stats-section .stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-xl);
}

.stats-section .stat-item {
  text-align: center;
  padding: var(--spacing-lg);
}

.stats-section .stat-icon {
  margin-bottom: var(--spacing-md);
  color: rgba(255, 255, 255, 0.9);
}

.stats-section .stat-icon svg {
  width: 48px;
  height: 48px;
}

.stats-section .stat-number {
  font-size: 3rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: var(--spacing-xs);
}

.stats-section .stat-label {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.8);
}

/* 产品分类模块 */
.categories-section {
  background-color: var(--color-background-alt);
}

.categories-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--spacing-lg);
}

.category-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--spacing-xl);
  background-color: #ffffff;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  text-decoration: none;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.category-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--box-shadow-lg);
}

.category-icon {
  margin-bottom: var(--spacing-md);
  color: var(--color-primary);
}

.category-icon svg {
  width: 48px;
  height: 48px;
}

.category-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-secondary);
  margin-bottom: var(--spacing-xs);
  text-align: center;
}

.category-count {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

/* 为什么选择我们模块 */
.why-us-section {
  background-color: #ffffff;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.feature-card {
  padding: var(--spacing-xl);
  background-color: var(--color-background-alt);
  border-radius: var(--border-radius);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--box-shadow-lg);
  background-color: #ffffff;
}

.feature-icon {
  margin-bottom: var(--spacing-md);
  color: var(--color-primary);
}

.feature-icon svg {
  width: 48px;
  height: 48px;
}

.feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
  color: var(--color-secondary);
}

.feature-card p {
  color: var(--color-text-light);
  font-size: 0.875rem;
  line-height: 1.6;
  margin: 0;
}

/* 服务流程模块 */
.process-section {
  background-color: var(--color-background-alt);
}

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

.process-grid::before {
  content: '';
  position: absolute;
  top: 60px;
  left: 15%;
  width: 70%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  z-index: 0;
}

.process-step {
  text-align: center;
  position: relative;
  z-index: 1;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: #ffffff;
  font-size: 1.25rem;
  font-weight: 700;
  border-radius: 50%;
  margin-bottom: var(--spacing-md);
}

.step-icon {
  margin-bottom: var(--spacing-md);
  color: var(--color-primary);
}

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

.process-step h3 {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-sm);
  color: var(--color-secondary);
}

.process-step p {
  color: var(--color-text-light);
  font-size: 0.875rem;
  line-height: 1.6;
  margin: 0;
}

/* 最新资讯模块 */
.news-section {
  background-color: #ffffff;
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.news-card {
  background-color: #ffffff;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.news-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--box-shadow-lg);
}

.news-image {
  position: relative;
  padding-top: 60%;
  background-color: var(--color-background-alt);
  overflow: hidden;
}

.news-image img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.news-card:hover .news-image img {
  transform: scale(1.05);
}

.news-placeholder {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-light);
}

.news-content {
  padding: var(--spacing-md);
}

.news-meta {
  margin-bottom: var(--spacing-sm);
}

.news-date {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.news-title {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-sm);
}

.news-title a {
  color: var(--color-secondary);
}

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

.news-excerpt {
  color: var(--color-text-light);
  font-size: 0.875rem;
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
}

.news-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-weight: 500;
  color: var(--color-primary);
}

.news-link svg {
  transition: transform 0.2s;
}

.news-link:hover svg {
  transform: translateX(4px);
}

/* 合作伙伴模块 */
.partners-section {
  background-color: var(--color-background-alt);
}

.partners-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--spacing-lg);
  align-items: center;
}

.partner-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
  background-color: #ffffff;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.partner-logo:hover {
  transform: translateY(-4px);
  box-shadow: var(--box-shadow-lg);
}

.partner-logo svg {
  max-width: 100%;
  height: auto;
}

/* CTA按钮组 */
.cta-buttons {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

.btn-outline-light {
  background-color: transparent;
  color: #ffffff;
  border-color: #ffffff;
}

.btn-outline-light:hover {
  background-color: #ffffff;
  color: var(--color-primary);
}

/* 响应式样式 */
@media screen and (max-width: 1024px) {
  .stats-section .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .categories-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .process-grid::before {
    display: none;
  }
  
  .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .partners-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media screen and (max-width: 768px) {
  .stats-section .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
  }
  
  .stats-section .stat-number {
    font-size: 2.5rem;
  }
  
  .categories-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
  }
  
  .category-card {
    padding: var(--spacing-md);
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .process-grid {
    grid-template-columns: 1fr;
  }
  
  .news-grid {
    grid-template-columns: 1fr;
  }
  
  .partners-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .cta-buttons .btn {
    width: 100%;
    max-width: 300px;
  }
}

@media screen and (max-width: 480px) {
  .stats-section .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .stats-section .stat-number {
    font-size: 2rem;
  }
  
  .categories-grid {
    grid-template-columns: 1fr;
  }
  
  .partners-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ==================== 单篇文章页面样式 ==================== */

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

.entry-title {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
}

.entry-meta {
  display: flex;
  justify-content: center;
  gap: var(--spacing-lg);
  color: var(--color-text-light);
  font-size: 0.875rem;
}

.entry-meta span {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.entry-meta svg {
  color: var(--color-primary);
}

.post-thumbnail {
  margin-bottom: var(--spacing-xl);
  border-radius: var(--border-radius);
  overflow: hidden;
}

.post-thumbnail img {
  width: 100%;
  height: auto;
}

.entry-content {
  max-width: 800px;
  margin: 0 auto var(--spacing-xl);
  line-height: 1.8;
}

.entry-content h2,
.entry-content h3,
.entry-content h4 {
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
}

.entry-content p {
  margin-bottom: var(--spacing-md);
}

.entry-content ul,
.entry-content ol {
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-lg);
}

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

.entry-content img {
  border-radius: var(--border-radius);
}

.entry-footer {
  max-width: 800px;
  margin: 0 auto;
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
}

.tag-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--spacing-sm);
}

.tag-label {
  font-weight: 600;
  color: var(--color-text-light);
}

.tag {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background-color: var(--color-background-alt);
  border-radius: var(--border-radius);
  font-size: 0.875rem;
  color: var(--color-text);
  transition: all 0.3s ease;
}

.tag:hover {
  background-color: var(--color-primary);
  color: #ffffff;
}

/* Post Navigation */
.post-navigation {
  max-width: 800px;
  margin: var(--spacing-2xl) auto;
  padding: var(--spacing-lg) 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.nav-links {
  display: flex;
  justify-content: space-between;
  gap: var(--spacing-md);
}

.nav-previous,
.nav-next {
  flex: 1;
}

.nav-next {
  text-align: right;
}

.nav-subtitle {
  display: block;
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-xs);
}

.nav-title {
  display: block;
  font-weight: 600;
  color: var(--color-secondary);
}

.nav-previous a:hover .nav-title,
.nav-next a:hover .nav-title {
  color: var(--color-primary);
}

/* Related Posts */
.related-posts {
  max-width: 800px;
  margin: var(--spacing-2xl) auto;
}

.related-posts h2 {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.related-posts-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.related-post-card {
  background-color: #ffffff;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.related-post-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--box-shadow-lg);
}

.related-post-image {
  position: relative;
  padding-top: 60%;
  background-color: var(--color-background-alt);
  overflow: hidden;
}

.related-post-image img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.related-post-content {
  padding: var(--spacing-md);
}

.related-post-content h3 {
  font-size: 1rem;
  margin-bottom: var(--spacing-xs);
}

.related-post-content h3 a {
  color: var(--color-secondary);
}

.related-post-content h3 a:hover {
  color: var(--color-primary);
}

.related-post-date {
  font-size: 0.75rem;
  color: var(--color-text-light);
}

/* ==================== 存档页面样式 ==================== */

.archive-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--color-border);
}

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

.archive-type {
  display: block;
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-xs);
}

.archive-description {
  max-width: 700px;
  margin: 0 auto;
  color: var(--color-text-light);
}

.archive-results-count {
  text-align: center;
  margin-bottom: var(--spacing-lg);
  color: var(--color-text-light);
}

/* ==================== 产品图库样式 ==================== */

.product-gallery {
  margin-bottom: var(--spacing-xl);
}

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

.product-main-image img {
  width: 100%;
  height: auto;
}

.product-no-image {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-2xl);
  background-color: var(--color-background-alt);
  border-radius: var(--border-radius);
  color: var(--color-text-light);
}

.product-no-image svg {
  margin-bottom: var(--spacing-md);
}

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

.product-info .product-title {
  font-size: 2rem;
  margin-bottom: var(--spacing-sm);
}

.product-meta-item {
  display: flex;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--color-border);
}

.product-meta-item .meta-label {
  font-weight: 600;
  color: var(--color-text-light);
  min-width: 120px;
}

.product-meta-item .meta-value {
  color: var(--color-secondary);
}

.product-meta-item .meta-value a {
  color: var(--color-primary);
}

.product-meta-item .meta-value a:hover {
  color: var(--color-accent);
}

.product-specifications {
  padding: var(--spacing-lg);
  background-color: var(--color-background-alt);
  border-radius: var(--border-radius);
}

.product-specifications h3 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-md);
}

.specifications-content ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.specifications-content li {
  padding: var(--spacing-xs) 0;
  border-bottom: 1px solid var(--color-border);
}

.specifications-content li:last-child {
  border-bottom: none;
}

.product-pdf-download {
  margin-top: var(--spacing-md);
}

.product-inquiry-box {
  padding: var(--spacing-lg);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  border-radius: var(--border-radius);
  color: #ffffff;
  text-align: center;
}

.product-inquiry-box h3 {
  color: #ffffff;
  margin-bottom: var(--spacing-xs);
}

.product-inquiry-box p {
  opacity: 0.9;
  margin-bottom: var(--spacing-md);
}

.product-inquiry-box .btn {
  background-color: #ffffff;
  color: var(--color-primary);
}

.product-inquiry-box .btn:hover {
  background-color: var(--color-accent);
  color: #ffffff;
}

/* ==================== 相关产品样式 ==================== */

.related-products {
  margin-top: var(--spacing-2xl);
  padding-top: var(--spacing-2xl);
  padding-bottom: var(--spacing-2xl);
  border-top: 1px solid var(--color-border);
}

.related-products h2 {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

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

.related-product-card {
  background-color: #ffffff;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.related-product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--box-shadow-lg);
}

.related-product-image {
  position: relative;
  padding-top: 75%;
  background-color: var(--color-background-alt);
  overflow: hidden;
}

.related-product-image img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.related-product-image.no-image {
  display: flex;
  align-items: center;
  justify-content: center;
}

.related-product-image.no-image svg {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: var(--color-text-light);
}

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

.related-product-content h3 {
  font-size: 1rem;
  margin-bottom: var(--spacing-xs);
}

.related-product-content h3 a {
  color: var(--color-secondary);
}

.related-product-content h3 a:hover {
  color: var(--color-primary);
}

.related-product-content .part-number {
  display: inline-block;
  padding: 0.25rem 0.5rem;
  background-color: var(--color-background-alt);
  border-radius: var(--border-radius);
  font-size: 0.75rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-xs);
}

.related-product-content .part-model {
  display: block;
  font-size: 0.75rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-sm);
}

.related-product-content .btn {
  margin-top: var(--spacing-sm);
}

/* 按钮小尺寸 */
.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

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

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

/* 响应式样式补充 */
@media screen and (max-width: 768px) {
  .entry-title {
    font-size: 2rem;
  }
  
  .entry-meta {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .related-posts-grid,
  .related-products-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .archive-title {
    font-size: 2rem;
  }
  
  .product-info .product-title {
    font-size: 1.5rem;
  }
  
  .product-meta-item {
    flex-direction: column;
    gap: var(--spacing-xs);
  }
  
  .product-meta-item .meta-label {
    min-width: auto;
  }
}

@media screen and (max-width: 480px) {
  .entry-title {
    font-size: 1.75rem;
  }
  
  .related-posts-grid,
  .related-products-grid {
    grid-template-columns: 1fr;
  }
  
  .archive-title {
    font-size: 1.75rem;
  }
  
  .nav-links {
    flex-direction: column;
  }
  
  .nav-next {
    text-align: left;
  }
}

/* ==================== 关于我们页面样式 ==================== */

.about-intro {
  padding: var(--spacing-2xl) 0;
}

.about-intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
}

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

.about-intro-content p {
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: var(--spacing-md);
}

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

.highlight-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm);
  background-color: var(--color-background-alt);
  border-radius: var(--border-radius);
}

.highlight-item svg {
  color: var(--color-primary);
  flex-shrink: 0;
}

.highlight-item span {
  font-size: 0.875rem;
  font-weight: 500;
}

.about-intro-image {
  display: flex;
  justify-content: center;
}

.about-image-slider {
  position: relative;
  width: 100%;
  overflow: hidden;
  border-radius: var(--border-radius);
}

.about-image-slider .slider-slides {
  position: relative;
}

.about-image-slider .slider-slide {
  display: none;
  opacity: 0;
  transition: opacity 0.5s ease-in-out;
}

.about-image-slider .slider-slide.active {
  display: block;
  opacity: 1;
}

.about-image-slider .slider-slide img {
  width: 100%;
  height: 350px;
  object-fit: cover;
  border-radius: var(--border-radius);
}

.about-image-slider .slider-dots {
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 10;
}

.about-image-slider .slider-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 2px solid #fff;
  background-color: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: all 0.3s ease;
  padding: 0;
}

.about-image-slider .slider-dot.active {
  background-color: #fff;
  transform: scale(1.2);
}

.about-image-slider .slider-dot:hover {
  background-color: #fff;
}

.about-stats {
  padding: var(--spacing-2xl) 0;
  background-color: var(--color-background-alt);
}

/* 公司历程时间线 */
.about-timeline {
  padding: var(--spacing-2xl) 0;
}

.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  padding-left: var(--spacing-xl);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 15px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--color-primary), var(--color-accent));
}

.timeline-item {
  position: relative;
  margin-bottom: var(--spacing-xl);
}

.timeline-marker {
  position: absolute;
  left: -45px;
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.625rem;
  font-weight: 700;
}

.timeline-content {
  background-color: #ffffff;
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
}

.timeline-content h3 {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-xs);
  color: var(--color-secondary);
}

.timeline-content p {
  color: var(--color-text-light);
  font-size: 0.875rem;
  margin: 0;
}

/* 认证卡片 */
.about-certifications {
  padding: var(--spacing-2xl) 0;
  background-color: var(--color-background-alt);
}

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

.cert-card {
  text-align: center;
  padding: var(--spacing-xl);
  background-color: #ffffff;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  transition: transform 0.3s ease;
}

.cert-card:hover {
  transform: translateY(-4px);
}

.cert-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-md);
  text-align: center;
}

.cert-icon img {
  display: block;
  margin: 0 auto;
}

.cert-card h3 {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-xs);
  white-space: nowrap;
  overflow: visible;
}

.cert-card p {
  color: var(--color-text-light);
  font-size: 0.875rem;
  margin: 0;
  white-space: nowrap;
}

/* 关于页面CTA */
.about-cta {
  padding: var(--spacing-2xl) 0;
}

.cta-box {
  padding: var(--spacing-2xl);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  border-radius: var(--border-radius);
  text-align: center;
  color: #ffffff;
}

.cta-box h2 {
  color: #ffffff;
  margin-bottom: var(--spacing-sm);
}

.cta-box p {
  opacity: 0.9;
  margin-bottom: var(--spacing-lg);
}

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

.cta-box .btn-primary {
  background-color: #ffffff;
  color: var(--color-primary);
  border-color: #ffffff;
}

.cta-box .btn-primary:hover {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: #ffffff;
}

.cta-box .btn-secondary {
  background-color: transparent;
  color: #ffffff;
  border-color: #ffffff;
}

.cta-box .btn-secondary:hover {
  background-color: #ffffff;
  color: var(--color-primary);
}

/* ==================== 联系页面样式 ==================== */

.contact-cards {
  padding: var(--spacing-2xl) 0;
}

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

.contact-card {
  text-align: center;
  padding: var(--spacing-xl);
  background-color: #ffffff;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.contact-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--box-shadow-lg);
}

.contact-card-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  border-radius: 50%;
  color: #ffffff;
}

.contact-card h3 {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-sm);
  color: var(--color-secondary);
}

.contact-card p {
  color: var(--color-text-light);
  font-size: 0.875rem;
  margin-bottom: var(--spacing-xs);
}

.contact-card p:last-child {
  margin-bottom: 0;
}

.contact-card a {
  color: var(--color-primary);
}

.contact-card a:hover {
  color: var(--color-accent);
}

/* 联系表单区域 */
.contact-form-wrapper h3 {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-lg);
  color: var(--color-secondary);
}

/* 地图占位符 */
.map-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 400px;
  background-color: var(--color-background-alt);
  border-radius: var(--border-radius);
  color: var(--color-text-light);
  text-align: center;
}

.map-placeholder svg {
  margin-bottom: var(--spacing-md);
}

.map-placeholder h3 {
  color: var(--color-secondary);
  margin-bottom: var(--spacing-sm);
}

.map-placeholder p {
  margin-bottom: var(--spacing-lg);
}

/* FAQ部分 */
.contact-faq {
  padding: var(--spacing-2xl) 0;
  text-align: center;
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background-color: #ffffff;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  margin-bottom: var(--spacing-md);
  overflow: hidden;
}

.faq-question {
  padding: var(--spacing-md);
  margin: 0;
  font-size: 1rem;
  color: var(--color-secondary);
  cursor: pointer;
  position: relative;
}

.faq-question::after {
  content: '+';
  position: absolute;
  right: var(--spacing-md);
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.5rem;
  color: var(--color-primary);
}

.faq-answer {
  padding: 0 var(--spacing-md) var(--spacing-md);
  color: var(--color-text-light);
  line-height: 1.6;
  margin: 0;
}

/* ==================== 响应式样式 ==================== */

@media screen and (max-width: 1024px) {
  .about-intro-grid {
    grid-template-columns: 1fr;
  }
  
  .about-highlights {
    grid-template-columns: 1fr;
  }
  
  .contact-cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .certifications-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media screen and (max-width: 768px) {
  .timeline {
    padding-left: var(--spacing-lg);
  }
  
  .timeline-marker {
    left: -35px;
    width: 28px;
    height: 28px;
    font-size: 0.5rem;
  }
  
  .contact-cards-grid {
    grid-template-columns: 1fr;
  }
  
  .certifications-grid {
    grid-template-columns: 1fr;
  }
  
  .cta-box {
    padding: var(--spacing-lg);
  }
  
  .cta-box .cta-buttons {
    flex-direction: column;
  }
  
  .cta-box .btn {
    width: 100%;
  }
}

/* ==================== 产品列表页样式 ==================== */

/* 产品分类快速导航 */
.product-categories-nav {
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--color-border);
}

.categories-scroll {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.category-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 0.5rem 1rem;
  background-color: var(--color-background-alt);
  border-radius: 20px;
  font-size: 0.875rem;
  color: var(--color-text);
  text-decoration: none;
  transition: all 0.3s ease;
}

.category-tag:hover {
  background-color: var(--color-primary);
  color: #ffffff;
}

.category-tag.active {
  background-color: var(--color-primary);
  color: #ffffff;
}

.tag-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  background-color: rgba(0, 0, 0, 0.1);
  border-radius: 10px;
  font-size: 0.75rem;
}

.category-tag.active .tag-count {
  background-color: rgba(255, 255, 255, 0.2);
}

/* 产品工具栏 */
.products-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-md);
  background-color: var(--color-background-alt);
  border-radius: var(--border-radius);
}

.toolbar-left {
  display: flex;
  align-items: center;
}

.results-count {
  color: var(--color-text-light);
  font-size: 0.875rem;
}

.toolbar-right {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

/* 排序选择 */
.sort-select {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.sort-select label {
  font-size: 0.875rem;
  color: var(--color-text-light);
  white-space: nowrap;
}

.sort-select select {
  padding: 0.5rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  background-color: #ffffff;
  font-size: 0.875rem;
  cursor: pointer;
}

/* 视图切换 */
.view-toggle {
  display: flex;
  gap: 4px;
  background-color: #ffffff;
  border-radius: var(--border-radius);
  padding: 4px;
}

.view-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: none;
  border-radius: 6px;
  background-color: transparent;
  color: var(--color-text-light);
  cursor: pointer;
  transition: all 0.3s ease;
}

.view-btn:hover {
  color: var(--color-primary);
}

.view-btn.active {
  background-color: var(--color-primary);
  color: #ffffff;
}

/* 产品布局 */
.products-layout {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: var(--spacing-xl);
}

/* 筛选侧边栏 */
.products-sidebar {
  position: sticky;
  top: 100px;
  height: fit-content;
}

.filter-section {
  background-color: #ffffff;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.filter-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid var(--color-border);
}

/* Product Grid - Archive/Listing Page */
.archive-products .products-grid,
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

/* Product Grid - Front Page */
.front-page-section .products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
}

.products-grid.list-view {
  grid-template-columns: 1fr;
}

.products-grid.list-view .product-card {
  display: grid;
  grid-template-columns: 200px 1fr;
}

.products-grid.list-view .product-card-thumbnail {
  height: 150px;
}

/* 增强产品卡片 */
.product-card {
  position: relative;
  background-color: #ffffff;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--box-shadow-lg);
}

.product-card .product-image {
  position: relative;
  width: 100%;
  padding-top: 75%;
  background-color: var(--color-background-alt);
  overflow: hidden;
}

.product-card .product-image a {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-card .product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

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

.product-card .product-image.no-image {
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-card .product-image.no-image svg {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: var(--color-text-light);
}

/* 产品徽章 */
.product-badge {
  position: absolute;
  top: var(--spacing-sm);
  left: var(--spacing-sm);
  padding: 0.25rem 0.75rem;
  background-color: var(--color-primary);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: 20px;
  z-index: 1;
}

.product-badge-new {
  background-color: #10b981;
}

.product-badge-featured {
  background-color: #f59e0b;
}

/* 产品操作按钮 */
.product-card-actions {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  opacity: 0;
  transform: translateX(10px);
  transition: all 0.3s ease;
  z-index: 1;
}

.product-card:hover .product-card-actions {
  opacity: 1;
  transform: translateX(0);
}

.action-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background-color: #ffffff;
  border-radius: 50%;
  color: var(--color-secondary);
  box-shadow: var(--box-shadow);
  transition: all 0.3s ease;
}

.action-btn:hover {
  background-color: var(--color-primary);
  color: #ffffff;
}

/* 产品卡片内容 */
.product-card-content {
  padding: var(--spacing-md);
}

.product-card-header {
  margin-bottom: var(--spacing-sm);
}

.product-card-title {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-xs);
}

.product-card-title a {
  color: var(--color-secondary);
  transition: color 0.3s ease;
}

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

/* 产品元数据 */
.product-card-meta {
  margin-bottom: var(--spacing-sm);
}

.meta-item {
  display: flex;
  gap: var(--spacing-xs);
  font-size: 0.875rem;
  margin-bottom: var(--spacing-xs);
}

.meta-label {
  color: var(--color-text-light);
  white-space: nowrap;
}

.meta-value {
  color: var(--color-secondary);
  font-weight: 500;
}

/* 产品摘要 */
.product-card-excerpt {
  color: var(--color-text-light);
  font-size: 0.875rem;
  line-height: 1.5;
  margin-bottom: var(--spacing-md);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* 产品卡片底部 */
.product-card-footer {
  display: flex;
  gap: var(--spacing-sm);
  align-items: center;
}

/* 无产品 */
.no-products {
  text-align: center;
  padding: var(--spacing-2xl);
  background-color: #ffffff;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
}

.no-products svg {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-md);
}

.no-products h3 {
  margin-bottom: var(--spacing-sm);
}

.no-products p {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-lg);
}

/* 产品特性展示 */
.products-features {
  margin-top: var(--spacing-2xl);
  padding: var(--spacing-xl) 0;
  border-top: 1px solid var(--color-border);
}

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

.feature-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background-color: var(--color-background-alt);
  border-radius: var(--border-radius);
  transition: transform 0.3s ease;
}

.archive-products + .section .feature-item {
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.archive-products + .section .feature-item h4 {
  margin: var(--spacing-sm) 0 var(--spacing-xs);
}

.archive-products + .section .feature-item p {
  margin: 0;
}

.feature-item:hover {
  transform: translateY(-4px);
}

.feature-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  border-radius: 50%;
  color: #ffffff;
}

.feature-text h4 {
  font-size: 0.875rem;
  margin-bottom: 2px;
}

.feature-text p {
  font-size: 0.75rem;
  color: var(--color-text-light);
  margin: 0;
}

/* 响应式样式 */
@media screen and (max-width: 1200px) {
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .features-row {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media screen and (max-width: 992px) {
  .products-layout {
    grid-template-columns: 1fr;
  }
  
  .products-sidebar {
    position: static;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
  }
  
  .filter-section {
    margin-bottom: 0;
  }
}

@media screen and (max-width: 768px) {
  .products-toolbar {
    flex-direction: column;
    gap: var(--spacing-md);
    align-items: flex-start;
  }
  
  .toolbar-right {
    width: 100%;
    justify-content: space-between;
  }
  
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
  }
  
  .products-grid.list-view {
    grid-template-columns: 1fr;
  }
  
  .products-grid.list-view .product-card {
    grid-template-columns: 1fr;
  }
  
  .products-sidebar {
    grid-template-columns: 1fr;
  }
  
  .features-row {
    grid-template-columns: 1fr;
  }
}

@media screen and (max-width: 480px) {
  .products-grid {
    grid-template-columns: 1fr;
  }
  
  .categories-scroll {
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: var(--spacing-sm);
  }
  
  .category-tag {
    flex-shrink: 0;
  }
}

/* Archive Hero Section */
.archive-hero {
  position: relative;
  padding: 6rem 0 4rem;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: #ffffff;
  overflow: hidden;
}

.archive-hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></svg>');
  background-size: 100px 100px;
  opacity: 0.5;
}

.archive-hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  animation: fadeInUp 0.8s ease-out;
}

.archive-type {
  display: inline-block;
  padding: 0.5rem 1rem;
  background-color: rgba(255, 255, 255, 0.15);
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: var(--spacing-md);
  color: rgba(255, 255, 255, 0.9);
}

.archive-hero-title {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  color: #ffffff;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.archive-hero-desc {
  font-size: 1.25rem;
  margin: 0;
  opacity: 0.9;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Categories Navigation */
.categories-nav {
  padding: var(--spacing-xl) 0;
  background: linear-gradient(135deg, rgba(30, 64, 175, 0.03) 0%, rgba(245, 158, 11, 0.03) 100%);
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-lg);
}

.categories-scroll {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  justify-content: center;
  padding: 0 var(--spacing-md);
}

.category-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 0.625rem 1.25rem;
  background-color: #ffffff;
  border: 2px solid var(--color-border);
  border-radius: 30px;
  color: var(--color-text);
  font-size: 0.9375rem;
  font-weight: 500;
  transition: all 0.3s ease;
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.category-tag::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(30, 64, 175, 0.1), transparent);
  transition: left 0.5s ease;
}

.category-tag:hover::before {
  left: 100%;
}

.category-tag:hover {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  border-color: transparent;
  color: #ffffff;
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(30, 64, 175, 0.3);
}

.category-tag.active {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  border-color: transparent;
  color: #ffffff;
  box-shadow: 0 6px 20px rgba(30, 64, 175, 0.3);
}

.tag-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 24px;
  height: 24px;
  padding: 0 6px;
  background-color: rgba(0, 0, 0, 0.1);
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
}

.category-tag.active .tag-count,
.category-tag:hover .tag-count {
  background-color: rgba(255, 255, 255, 0.25);
}

/* Products Section in Archive */
.products-section {
  padding: var(--spacing-lg) 0 var(--spacing-2xl);
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
}

.archive-products + .section .features-grid .feature-item {
  text-align: center;
}

.archive-products + .section .feature-item h4,
.archive-products + .section .feature-item p {
  text-align: center;
}

.feature-item {
  text-align: center;
  padding: var(--spacing-xl);
  background-color: #ffffff;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  transition: all 0.3s ease;
  border: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
}

.feature-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.feature-item:hover::before {
  transform: scaleX(1);
}

.feature-item:hover {
  transform: translateY(-8px);
  box-shadow: var(--box-shadow-lg);
  border-color: transparent;
}

.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  border-radius: 50%;
  margin-bottom: var(--spacing-md);
  color: #ffffff;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(30, 64, 175, 0.25);
}

.feature-item:hover .feature-icon {
  transform: scale(1.1) rotate(5deg);
  box-shadow: 0 6px 25px rgba(30, 64, 175, 0.35);
}

.feature-item h4 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xs);
  color: var(--color-secondary);
  transition: color 0.3s ease;
}

.feature-item:hover h4 {
  color: var(--color-primary);
}

.feature-item p {
  color: var(--color-text-light);
  margin: 0;
  font-size: 0.9375rem;
}

/* No Products */
.no-products {
  text-align: center;
  padding: var(--spacing-2xl);
  background: linear-gradient(135deg, rgba(30, 64, 175, 0.05) 0%, rgba(245, 158, 11, 0.05) 100%);
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  border: 1px dashed var(--color-border);
}

.no-products svg {
  color: var(--color-accent);
  margin-bottom: var(--spacing-md);
  animation: pulse 2s infinite;
}

.no-products h3 {
  margin-bottom: var(--spacing-xs);
  color: var(--color-secondary);
}

.no-products p {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-lg);
}

.no-products .btn-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  border: none;
  padding: 0.75rem 2rem;
}

.no-products .btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(30, 64, 175, 0.3);
}

/* Archive Responsive */
@media screen and (max-width: 768px) {
  .archive-hero {
    padding: 5rem 0 3rem;
  }
  
  .archive-hero-title {
    font-size: 2rem;
  }
  
  .archive-hero-desc {
    font-size: 1rem;
  }
  
  .categories-scroll {
    flex-wrap: nowrap;
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: var(--spacing-sm);
  }
  
  .category-tag {
    flex-shrink: 0;
  }
  
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .feature-item {
    padding: var(--spacing-lg);
  }
  
  .feature-icon {
    width: 60px;
    height: 60px;
  }
  
  .feature-icon svg {
    width: 28px;
    height: 28px;
  }
}

@media screen and (max-width: 480px) {
  .archive-hero-title {
    font-size: 1.75rem;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
}

/* Products Toolbar */
.products-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) var(--spacing-lg);
  background: linear-gradient(135deg, rgba(30, 64, 175, 0.05) 0%, rgba(31, 41, 55, 0.05) 100%);
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-lg);
  border: 1px solid rgba(30, 64, 175, 0.1);
}

.toolbar-left {
  display: flex;
  align-items: center;
}

.results-count {
  color: var(--color-secondary);
  font-size: 0.9375rem;
  font-weight: 500;
}

.results-count::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 16px;
  background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-accent) 100%);
  border-radius: 2px;
  margin-right: var(--spacing-sm);
  vertical-align: middle;
}

.toolbar-right {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.sort-select {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.sort-select label {
  color: var(--color-text-light);
  font-size: 0.875rem;
  margin: 0;
  font-weight: 500;
}

.sort-select select {
  padding: 0.5rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  background-color: #ffffff;
  color: var(--color-text);
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

.sort-select select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

.view-toggle {
  display: flex;
  gap: 4px;
  background-color: #ffffff;
  padding: 4px;
  border-radius: var(--border-radius);
  border: 1px solid var(--color-border);
}

.view-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 0;
  background-color: transparent;
  border: none;
  border-radius: 6px;
  color: var(--color-text-light);
  cursor: pointer;
  transition: all 0.3s ease;
}

.view-btn:hover {
  color: var(--color-primary);
  background-color: rgba(30, 64, 175, 0.1);
}

.view-btn.active {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(30, 64, 175, 0.3);
}

/* Products Layout with Sidebar */
.products-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: var(--spacing-xl);
  padding-bottom: var(--spacing-2xl);
}

/* Products Sidebar */
.products-sidebar {
  position: sticky;
  top: 100px;
  height: fit-content;
}

.filter-section {
  background-color: #ffffff;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  border: 1px solid var(--color-border);
  transition: box-shadow 0.3s ease;
}

.filter-section:hover {
  box-shadow: var(--box-shadow-lg);
}

.filter-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-secondary);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid transparent;
  border-image: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%) 1;
  position: relative;
}

.filter-title::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 40px;
  height: 2px;
  background: var(--color-accent);
}

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

.filter-item {
  margin-bottom: 4px;
}

.filter-item a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.625rem 0.75rem;
  color: var(--color-text);
  font-size: 0.9375rem;
  border-radius: var(--border-radius);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.filter-item a::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 3px;
  height: 100%;
  background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-accent) 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.filter-item a:hover {
  background-color: rgba(30, 64, 175, 0.05);
  color: var(--color-primary);
  padding-left: 1rem;
}

.filter-item a:hover::before {
  opacity: 1;
}

.filter-item.active a {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(30, 64, 175, 0.25);
}

.filter-item.active a::before {
  opacity: 0;
}

.filter-name {
  flex: 1;
}

.filter-count {
  font-size: 0.8125rem;
  color: var(--color-text-light);
  background-color: rgba(0, 0, 0, 0.05);
  padding: 2px 8px;
  border-radius: 10px;
  transition: all 0.3s ease;
}

.filter-item a:hover .filter-count {
  background-color: rgba(30, 64, 175, 0.1);
  color: var(--color-primary);
}

.filter-item.active .filter-count {
  background-color: rgba(255, 255, 255, 0.2);
  color: rgba(255, 255, 255, 0.9);
}

/* Help Box */
.help-box {
  text-align: center;
  padding: var(--spacing-lg);
  background: linear-gradient(135deg, rgba(30, 64, 175, 0.08) 0%, rgba(245, 158, 11, 0.08) 100%);
  border-radius: var(--border-radius);
  border: 1px dashed var(--color-primary);
}

.help-box p {
  color: var(--color-secondary);
  font-size: 0.9375rem;
  margin-bottom: var(--spacing-md);
  font-weight: 500;
}

.help-box .btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  width: 100%;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  border: none;
}

.help-box .btn-sm:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(30, 64, 175, 0.3);
}

/* Products Content */
.products-content {
  min-width: 0;
}

/* Pagination */
.nav-links {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
}

.nav-links a,
.nav-links span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 var(--spacing-sm);
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  color: var(--color-secondary);
  font-size: 0.9375rem;
  transition: all 0.3s ease;
}

.nav-links a:hover {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  border-color: transparent;
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(30, 64, 175, 0.25);
}

.nav-links .current {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  border-color: transparent;
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(30, 64, 175, 0.25);
}

.nav-links .prev,
.nav-links .next {
  background-color: rgba(30, 64, 175, 0.05);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.nav-links .prev:hover,
.nav-links .next:hover {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
}

/* List View */
.products-grid.list-view {
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
}

.products-grid.list-view .product-card {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 0;
  border-left: 4px solid transparent;
  transition: all 0.3s ease;
}

.products-grid.list-view .product-card:hover {
  border-left-color: var(--color-accent);
}

.products-grid.list-view .product-image {
  padding-top: 0;
  height: 150px;
}

.products-grid.list-view .product-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--spacing-md) var(--spacing-lg);
}

.products-grid.list-view .product-title {
  margin-bottom: var(--spacing-xs);
}

.products-grid.list-view .product-excerpt {
  margin-bottom: var(--spacing-sm);
}

.products-grid.list-view .product-link {
  width: auto;
  margin-top: var(--spacing-sm);
}

/* Responsive for Toolbar and Sidebar */
@media screen and (max-width: 1024px) {
  .products-layout {
    grid-template-columns: 240px 1fr;
    gap: var(--spacing-lg);
  }
}

@media screen and (max-width: 768px) {
  .products-toolbar {
    flex-direction: column;
    gap: var(--spacing-sm);
    align-items: flex-start;
  }
  
  .toolbar-right {
    width: 100%;
    justify-content: space-between;
  }
  
  .products-layout {
    grid-template-columns: 1fr;
  }
  
  .products-sidebar {
    position: static;
    order: 2;
  }
  
  .products-content {
    order: 1;
  }
  
  .products-grid.list-view .product-card {
    grid-template-columns: 150px 1fr;
  }
  
  .products-grid.list-view .product-image {
    height: 120px;
  }
}

@media screen and (max-width: 480px) {
  .sort-select {
    flex: 1;
  }
  
  .sort-select select {
    flex: 1;
  }
  
  .products-grid.list-view .product-card {
    grid-template-columns: 1fr;
  }
  
  .products-grid.list-view .product-image {
    height: 200px;
  }
}

/* ===========================================
   CASE STUDIES PAGE - INDUSTRIAL AESTHETIC
   =========================================== */

/* Hero Section with Industrial Aesthetic */
.case-studies-hero {
  position: relative;
  background-color: var(--color-background-dark);
  color: #ffffff;
  padding: var(--spacing-2xl) 0;
  overflow: hidden;
  margin-bottom: var(--spacing-2xl);
}

.case-studies-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(30, 64, 175, 0.15) 0%, rgba(31, 41, 55, 0.1) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
  min-height: 400px;
}

.hero-text-container {
  padding-right: var(--spacing-xl);
}

.hero-title {
  font-family: var(--font-mono);
  font-size: 3rem;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: var(--spacing-md);
  color: #ffffff;
  text-transform: uppercase;
  letter-spacing: -0.05em;
}

.title-prefix {
  color: var(--color-accent);
  margin-right: var(--spacing-sm);
  font-weight: 400;
}

.hero-subtitle {
  font-family: var(--font-sans);
  font-size: 1.25rem;
  line-height: 1.6;
  color: #9ca3af;
  margin-bottom: var(--spacing-lg);
  max-width: 500px;
}

.hero-stats {
  display: flex;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border-dark);
  padding-top: var(--spacing-lg);
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
}

.stat-label {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  color: #9ca3af;
  margin-top: var(--spacing-xs);
}

/* Hero Visual with Grid Pattern */
.hero-visual {
  position: relative;
  height: 100%;
  min-height: 400px;
}

.visual-grid {
  position: absolute;
  top: 0;
  right: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: 0.3;
}

.visual-line {
  position: absolute;
  background: var(--color-accent);
}

.visual-line-1 {
  top: 20%;
  right: 0;
  width: 60%;
  height: 2px;
  transform: rotate(-15deg);
  transform-origin: right center;
}

.visual-line-2 {
  bottom: 30%;
  right: 0;
  width: 40%;
  height: 2px;
  transform: rotate(25deg);
  transform-origin: right center;
}

/* Page Article */
.page-article {
  margin-bottom: var(--spacing-2xl);
  padding-bottom: var(--spacing-xl);
  border-bottom: 1px solid var(--color-border);
}

.page-article .page-content {
  font-family: var(--font-sans);
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--color-text);
  max-width: 800px;
}

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

.section-title {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-secondary);
  margin-bottom: var(--spacing-sm);
  display: flex;
  align-items: baseline;
  gap: var(--spacing-sm);
}

.section-code {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--color-accent);
  font-weight: 500;
}

.section-description {
  font-family: var(--font-sans);
  font-size: 1.125rem;
  color: var(--color-text-light);
  max-width: 600px;
  line-height: 1.6;
}

/* Case Studies Grid - Asymmetric Layout */
.case-studies-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
}

.case-studies-grid .case-study-card {
  grid-column: span 4;
  position: relative;
  transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

/* Create asymmetric layout pattern */
.case-studies-grid .case-study-card:nth-child(3n+1) {
  grid-column: span 4;
}

.case-studies-grid .case-study-card:nth-child(3n+2) {
  grid-column: span 4;
  transform: translateY(40px);
}

.case-studies-grid .case-study-card:nth-child(3n+3) {
  grid-column: span 4;
  transform: translateY(-20px);
}

.case-studies-grid .case-study-card:nth-child(6n+4) {
  grid-column: span 6;
}

.case-studies-grid .case-study-card:nth-child(6n+5) {
  grid-column: span 6;
  transform: translateY(20px);
}

/* Card Inner */
.card-inner {
  background: var(--color-background);
  border: 1px solid var(--color-border);
  height: 100%;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all 0.3s ease;
  overflow: hidden;
}

.card-inner:hover {
  border-color: var(--color-primary-light);
  box-shadow: var(--box-shadow-lg);
  transform: translateY(-5px);
}

.case-studies-grid .case-study-card:nth-child(3n+2) .card-inner:hover {
  transform: translateY(calc(40px - 5px));
}

.case-studies-grid .case-study-card:nth-child(3n+3) .card-inner:hover {
  transform: translateY(calc(-20px - 5px));
}

/* Thumbnail */
.case-study-thumbnail {
  position: relative;
  height: 200px;
  overflow: hidden;
}

.case-study-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.card-inner:hover .case-study-thumbnail img {
  transform: scale(1.05);
}

.thumbnail-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, transparent 60%, rgba(17, 24, 39, 0.8) 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.card-inner:hover .thumbnail-overlay {
  opacity: 1;
}

.placeholder-pattern {
  width: 100%;
  height: 100%;
  background-color: var(--color-background-alt);
  background-image: 
    linear-gradient(45deg, var(--color-border) 25%, transparent 25%),
    linear-gradient(-45deg, var(--color-border) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, var(--color-border) 75%),
    linear-gradient(-45deg, transparent 75%, var(--color-border) 75%);
  background-size: 20px 20px;
  background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
}

.card-number {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 600;
  color: #ffffff;
  background: rgba(17, 24, 39, 0.7);
  padding: 4px 8px;
  line-height: 1;
  backdrop-filter: blur(4px);
}

/* Card Content */
.case-study-content {
  padding: var(--spacing-lg);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.case-study-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-sm);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.case-study-industry {
  color: var(--color-accent);
  font-weight: 600;
}

.meta-divider {
  color: var(--color-text-light);
}

.case-study-date {
  color: var(--color-text-light);
}

.case-study-title {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  line-height: 1.3;
  color: var(--color-secondary);
}

.case-study-title a {
  color: inherit;
  text-decoration: none;
  transition: color 0.3s ease;
}

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

.case-study-excerpt {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
  flex: 1;
}

.case-study-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-md);
}

.tag {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 4px 8px;
  background-color: var(--color-background-alt);
  color: var(--color-text-light);
  border: 1px solid var(--color-border);
  line-height: 1;
}

/* Read More Button */
.read-more {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-primary);
  text-decoration: none;
  margin-top: auto;
  transition: all 0.3s ease;
  border-bottom: 1px solid transparent;
}

.read-more:hover {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.read-more-icon {
  display: flex;
  align-items: center;
  transition: transform 0.3s ease;
}

.read-more:hover .read-more-icon {
  transform: translateX(4px);
}

/* Empty State */
.no-case-studies {
  grid-column: span 12;
}

.empty-state {
  text-align: center;
  padding: var(--spacing-2xl) 0;
  background-color: var(--color-background-alt);
  border: 1px dashed var(--color-border);
  border-radius: var(--border-radius);
}

.empty-icon {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-md);
}

.empty-state h3 {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  color: var(--color-secondary);
  margin-bottom: var(--spacing-sm);
}

.empty-state p {
  font-family: var(--font-sans);
  color: var(--color-text-light);
  margin-bottom: var(--spacing-lg);
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}

/* Industries Section - Dark Background */
.industries-section {
  background-color: var(--color-background-dark);
  color: #ffffff;
  margin: var(--spacing-2xl) calc(-50vw + 50%);
  padding: var(--spacing-2xl) 0;
  position: relative;
}

.industries-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
}

.industries-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

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

.industries-title {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: var(--spacing-sm);
}

.industries-description {
  font-family: var(--font-sans);
  font-size: 1.125rem;
  color: #9ca3af;
  max-width: 600px;
  margin: 0 auto;
}

.industries-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
}

.industry-item {
  position: relative;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: var(--spacing-lg);
  transition: all 0.3s ease;
  overflow: hidden;
}

.industry-item:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

.industry-content {
  position: relative;
  z-index: 2;
}

.industry-logo {
  width: 60px;
  height: 60px;
  margin-bottom: var(--spacing-md);
  filter: brightness(0) invert(1);
  opacity: 0.8;
  transition: opacity 0.3s ease;
}

.industry-item:hover .industry-logo {
  opacity: 1;
}

.industry-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.industry-name {
  font-family: var(--font-mono);
  font-size: 1.125rem;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: var(--spacing-xs);
}

.industry-description {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  color: #9ca3af;
  line-height: 1.5;
  margin: 0;
}

.industry-border {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 3px;
  background: var(--color-accent);
  transition: width 0.3s ease;
}

.industry-item:hover .industry-border {
  width: 100%;
}

/* Technical CTA Section */
.technical-cta {
  background: linear-gradient(135deg, var(--color-background-alt) 0%, var(--color-background) 100%);
  margin: var(--spacing-2xl) 0;
  border: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
}

.technical-cta::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.1) 0%, transparent 70%);
  transform: translate(50%, -50%);
}

.cta-container {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-xl);
  gap: var(--spacing-lg);
}

.cta-content {
  flex: 1;
}

.cta-title {
  font-family: var(--font-mono);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-secondary);
  margin-bottom: var(--spacing-sm);
}

.cta-description {
  font-family: var(--font-sans);
  font-size: 1.125rem;
  color: var(--color-text-light);
  margin: 0;
}

.cta-action {
  flex-shrink: 0;
}

/* Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #ffffff;
  background: var(--color-primary);
  border: none;
  padding: var(--spacing-md) var(--spacing-lg);
  text-decoration: none;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(30, 64, 175, 0.3);
}

.btn-primary svg {
  transition: transform 0.3s ease;
}

.btn-primary:hover svg {
  transform: translateX(4px);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-primary);
  background: transparent;
  border: 2px solid var(--color-primary);
  padding: var(--spacing-md) var(--spacing-lg);
  text-decoration: none;
  transition: all 0.3s ease;
}

.btn-secondary:hover {
  background: var(--color-primary);
  color: #ffffff;
  transform: translateY(-2px);
}

/* Responsive Adjustments */
@media screen and (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--spacing-xl);
  }
  
  .hero-text-container {
    padding-right: 0;
  }
  
  .hero-stats {
    justify-content: center;
  }
  
  .hero-visual {
    display: none;
  }
  
  .case-studies-grid {
    grid-template-columns: repeat(6, 1fr);
  }
  
  .case-studies-grid .case-study-card:nth-child(3n+1),
  .case-studies-grid .case-study-card:nth-child(3n+2),
  .case-studies-grid .case-study-card:nth-child(3n+3) {
    grid-column: span 3;
    transform: translateY(0);
  }
  
  .case-studies-grid .case-study-card:nth-child(6n+4),
  .case-studies-grid .case-study-card:nth-child(6n+5) {
    grid-column: span 3;
  }
  
  .case-studies-grid .case-study-card:nth-child(3n+2) .card-inner:hover,
  .case-studies-grid .case-study-card:nth-child(3n+3) .card-inner:hover {
    transform: translateY(-5px);
  }
}

@media screen and (max-width: 768px) {
  .hero-title {
    font-size: 2.25rem;
  }
  
  .hero-stats {
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
  }
  
  .stat-item {
    align-items: center;
  }
  
  .case-studies-grid {
    grid-template-columns: 1fr;
  }
  
  .case-studies-grid .case-study-card:nth-child(n) {
    grid-column: span 1;
    transform: translateY(0);
  }
  
  .case-studies-grid .case-study-card:nth-child(3n+2) .card-inner:hover,
  .case-studies-grid .case-study-card:nth-child(3n+3) .card-inner:hover {
    transform: translateY(-5px);
  }
  
  .industries-section {
    margin: var(--spacing-2xl) calc(-50vw + 50%);
  }
  
  .cta-container {
    flex-direction: column;
    text-align: center;
  }
  
  .industries-grid {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  }
}

@media screen and (max-width: 480px) {
  .hero-title {
    font-size: 1.75rem;
  }
  
  .section-title {
    font-size: 1.5rem;
  }
  
  .case-study-title {
    font-size: 1.125rem;
  }
  
  .cta-title {
    font-size: 1.5rem;
  }
  
  .btn-primary,
  .btn-secondary {
    width: 100%;
    justify-content: center;
  }
}

/* ===========================================
   FRONT PAGE - INDUSTRIAL DESIGN
   =========================================== */

/* Hero Section - Industrial */
.hero-industrial {
  position: relative;
  background-color: var(--color-background-dark);
  color: #ffffff;
  padding: 120px 0 100px;
  overflow: hidden;
}

.hero-bg-pattern {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 20% 50%, rgba(30, 64, 175, 0.3) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(245, 158, 11, 0.15) 0%, transparent 40%);
  z-index: 1;
}

.hero-grid-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  z-index: 2;
}

.hero-industrial .hero-content {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--spacing-2xl);
  align-items: center;
}

.hero-text-block {
  padding-right: var(--spacing-xl);
}

.hero-label {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  margin-bottom: var(--spacing-md);
}

.hero-industrial .hero-title {
  font-family: var(--font-sans);
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1.15;
  color: #ffffff;
  margin-bottom: var(--spacing-md);
  letter-spacing: -0.02em;
}

.hero-industrial .hero-subtitle {
  font-family: var(--font-sans);
  font-size: 1.25rem;
  line-height: 1.6;
  color: #9ca3af;
  margin-bottom: var(--spacing-lg);
  max-width: 550px;
}

.hero-actions {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.hero-industrial .btn-inquiry {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.hero-visual-block {
  display: flex;
  justify-content: flex-end;
  align-items: center;
}

.hero-stats-pill {
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: var(--spacing-md) var(--spacing-lg);
  backdrop-filter: blur(10px);
}

.pill-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 var(--spacing-md);
}

.pill-number {
  font-family: var(--font-mono);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
}

.pill-text {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #9ca3af;
  margin-top: 4px;
}

.pill-divider {
  width: 1px;
  height: 40px;
  background: rgba(255, 255, 255, 0.15);
}

.hero-diagonal-divider {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 50%, transparent 100%);
}

/* Stats Section - Industrial */
.stats-industrial {
  background: var(--color-background-alt);
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-xl) 0;
}

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

.stats-industrial .stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--spacing-lg);
  position: relative;
}

.stats-industrial .stat-item::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 1px;
  height: 100%;
  background: linear-gradient(180deg, var(--color-primary), transparent);
}

.stats-industrial .stat-item:last-child::after {
  display: none;
}

.stats-industrial .stat-icon {
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.stats-industrial .stat-number {
  font-family: var(--font-mono);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-secondary);
  line-height: 1;
}

.stats-industrial .stat-number span {
  color: var(--color-accent);
}

.stats-industrial .stat-label {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-top: var(--spacing-xs);
}

/* Section Header - Industrial */
.section-header-industrial {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  margin-bottom: var(--spacing-sm);
}

.section-header-industrial .section-title {
  font-family: var(--font-sans);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-secondary);
  margin-bottom: var(--spacing-sm);
}

.section-header-industrial .section-subtitle {
  font-family: var(--font-sans);
  font-size: 1.125rem;
  color: var(--color-text-light);
  max-width: 600px;
  margin: 0 auto;
}

/* Categories - Industrial Cards */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.category-card-industrial {
  position: relative;
  background: #ffffff;
  border: 1px solid var(--color-border);
  padding: 0;
  transition: all 0.3s ease;
  overflow: hidden;
}

.category-card-industrial:hover {
  border-color: var(--color-primary);
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
}

.category-card-inner {
  display: flex;
  align-items: center;
  padding: var(--spacing-lg);
  gap: var(--spacing-md);
}

.category-card-industrial .category-icon {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-background-alt);
  color: var(--color-primary);
}

.category-card-industrial:hover .category-icon {
  background: var(--color-primary);
  color: #ffffff;
}

.category-info {
  flex: 1;
}

.category-card-industrial .category-name {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-secondary);
  margin-bottom: 4px;
}

.category-card-industrial .category-count {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  color: var(--color-text-light);
}

.category-arrow {
  flex-shrink: 0;
  color: var(--color-text-light);
  transition: all 0.3s ease;
}

.category-card-industrial:hover .category-arrow {
  color: var(--color-primary);
  transform: translateX(4px);
}

.category-index {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--color-border);
}

/* Products Grid - Industrial */
.products-grid-industrial {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
}

.product-card-industrial {
  background: #ffffff;
  border: 1px solid var(--color-border);
  transition: all 0.3s ease;
  overflow: hidden;
}

.product-card-industrial:hover {
  border-color: var(--color-primary);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.06);
}

.product-card-header {
  position: relative;
  background: var(--color-background-alt);
  min-height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.product-card-industrial .product-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.product-card-industrial .product-image a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}

.product-card-industrial .product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-image-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}

.product-image-link img {
  max-width: 100%;
  max-height: 140px;
  object-fit: contain;
}
}

.product-image-placeholder {
  color: var(--color-border);
}

.product-card-body {
  padding: var(--spacing-md);
}

.product-card-industrial .product-title {
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-secondary);
  margin-bottom: var(--spacing-sm);
  line-height: 1.4;
}

.product-card-industrial .product-title a {
  color: inherit;
  text-decoration: none;
}

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

.product-card-industrial .product-part-number,
.product-card-industrial .product-models {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-light);
  margin-bottom: 4px;
}

.product-card-industrial .pn-label,
.product-card-industrial .models-label {
  color: var(--color-text-light);
}

.product-card-industrial .pn-value,
.product-card-industrial .models-value {
  color: var(--color-secondary);
  font-weight: 500;
}

.product-card-industrial .product-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
}

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

/* Certifications - Industrial Dark */
.certifications-industrial {
  background: var(--color-background-dark);
  padding: var(--spacing-2xl) 0;
}

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

.section-tag-light {
  color: var(--color-accent);
}

.section-title-light {
  color: #ffffff !important;
  font-family: var(--font-sans);
  font-size: 2rem;
  font-weight: 700;
  position: relative;
  display: inline-block;
}

.section-title-light::after {
  content: '';
  position: absolute;
  bottom: -12px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: var(--color-accent);
}

.section-subtitle-light {
  color: #d1d5db !important;
  font-size: 1.125rem;
  margin-top: var(--spacing-lg);
}

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

.certifications-industrial .certification-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all 0.3s ease;
  text-align: center;
}

.certifications-industrial .certification-item:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--color-accent);
}

.certifications-industrial .certification-icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
}

.certifications-industrial .certification-content h3 {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 4px;
  text-align: center;
}

.certifications-industrial .certification-content p {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  color: #9ca3af;
  margin: 0;
}

/* Section Header Centered */
.section-header-centered {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.section-header-centered .section-title {
  font-family: var(--font-sans);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-secondary);
  margin-bottom: var(--spacing-sm);
  position: relative;
  display: inline-block;
}

.section-header-centered .section-title::after {
  content: '';
  position: absolute;
  bottom: -12px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: var(--color-accent);
}

.section-header-centered .section-subtitle {
  font-family: var(--font-sans);
  font-size: 1.125rem;
  color: var(--color-text-light);
  max-width: 600px;
  margin: 0 auto;
  margin-top: var(--spacing-lg);
}

/* Why Us - Industrial */
.why-us-industrial {
  background: var(--color-background);
  padding: var(--spacing-2xl) 0;
}

.features-grid-industrial {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.feature-card-industrial {
  position: relative;
  background: #ffffff;
  border: 1px solid var(--color-border);
  padding: var(--spacing-xl);
  transition: all 0.3s ease;
}

.feature-card-industrial:hover {
  border-color: var(--color-primary);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

.feature-number {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-border);
  line-height: 1;
}

.feature-card-industrial .feature-icon-box {
  color: var(--color-primary);
  margin: 0 auto var(--spacing-md);
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  border-radius: 12px;
  border: 1px solid #dee2e6;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.feature-card-industrial .feature-icon-box svg {
  width: 32px;
  height: 32px;
}

.feature-card-industrial:hover .feature-icon-box {
  background: linear-gradient(135deg, var(--color-primary) 0%, #1a5a7a 100%);
  border-color: var(--color-primary);
  color: #fff;
  box-shadow: 0 4px 12px rgba(26, 90, 122, 0.3);
  transform: translateY(-2px);
  transition: all 0.3s ease;
}

.feature-card-industrial .feature-icon {
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-background-alt);
  border-radius: 50%;
}

.feature-card-industrial .feature-icon svg {
  width: 28px;
  height: 28px;
}

.feature-card-industrial h3 {
  font-family: var(--font-mono);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-secondary);
  margin-bottom: var(--spacing-sm);
  text-align: center;
}

.feature-card-industrial p {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  color: var(--color-text-light);
  line-height: 1.6;
  margin: 0;
  text-align: center;
}

/* CTA - Industrial Dark */
.cta-industrial {
  background: linear-gradient(135deg, var(--color-background-dark) 0%, var(--color-secondary) 100%);
  padding: var(--spacing-2xl) 0;
}

.cta-industrial .cta-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-xl);
}

.cta-industrial .cta-tag {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  margin-bottom: var(--spacing-sm);
}

.cta-industrial .cta-content h2 {
  font-family: var(--font-sans);
  font-size: 2rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: var(--spacing-sm);
}

.cta-industrial .cta-content p {
  font-family: var(--font-sans);
  font-size: 1.125rem;
  color: #9ca3af;
  margin: 0;
}

.cta-industrial .cta-actions {
  display: flex;
  gap: var(--spacing-md);
  flex-shrink: 0;
}

/* Responsive */
@media screen and (max-width: 1024px) {
  .hero-industrial .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero-text-block {
    padding-right: 0;
  }
  
  .hero-industrial .hero-subtitle {
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
  }
  
  .hero-actions {
    justify-content: center;
  }
  
  .hero-visual-block {
    justify-content: center;
  }
  
  .hero-stats-pill {
    margin-top: var(--spacing-lg);
  }
  
  .categories-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .products-grid-industrial {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .features-grid-industrial {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .certifications-grid-industrial {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .cta-industrial .cta-container {
    flex-direction: column;
    text-align: center;
  }
}

@media screen and (max-width: 768px) {
  .hero-industrial .hero-title {
    font-size: 2.5rem;
  }
  
  .stats-industrial .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .categories-grid {
    grid-template-columns: 1fr;
  }
  
  .products-grid-industrial {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .features-grid-industrial {
    grid-template-columns: 1fr;
  }
  
  .certifications-grid-industrial {
    grid-template-columns: 1fr;
  }
  
  .hero-stats-pill {
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .cta-industrial .cta-actions {
    flex-direction: column;
    width: 100%;
  }
  
  .cta-industrial .cta-actions .btn {
    width: 100%;
    justify-content: center;
  }
}

@media screen and (max-width: 480px) {
  .hero-industrial .hero-title {
    font-size: 2rem;
  }
  
  .hero-industrial .hero-subtitle {
    font-size: 1rem;
  }
  
  .section-header-industrial .section-title {
    font-size: 1.75rem;
  }
}

/* News Grid */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.news-card .card-meta {
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-light);
  font-size: 0.875rem;
}

.news-card .card-title {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
  line-height: 1.4;
}

.news-card .card-title a {
  color: var(--color-secondary);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

.news-card .card-excerpt {
  color: var(--color-text-light);
  font-size: 0.9375rem;
  margin-bottom: var(--spacing-md);
  line-height: 1.6;
}

.news-card .card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-primary);
  font-weight: 600;
  font-size: 0.875rem;
  text-decoration: none;
  transition: gap 0.2s ease;
}

.news-card .card-link:hover {
  gap: 10px;
}

/* Single News Page */
.news-single-container {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--spacing-2xl) 0;
}

.news-single-header {
  margin-bottom: var(--spacing-xl);
}

.news-single-header .news-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  color: var(--color-text-light);
  font-size: 0.875rem;
}

.news-single-header .news-category {
  background: var(--color-primary);
  color: #fff;
  padding: 4px 12px;
  border-radius: var(--border-radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}

.news-single-header .news-title {
  font-size: 2.5rem;
  line-height: 1.3;
  margin-bottom: var(--spacing-lg);
  color: var(--color-secondary);
}

.news-featured-image {
  margin-bottom: var(--spacing-lg);
  border-radius: var(--border-radius);
  overflow: hidden;
}

.news-featured-image img {
  width: 100%;
  height: auto;
  display: block;
}

.news-content {
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--color-text);
}

.news-content p {
  margin-bottom: var(--spacing-md);
}

.news-content h2,
.news-content h3,
.news-content h4 {
  color: var(--color-secondary);
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
}

.news-content img {
  max-width: 100%;
  height: auto;
  border-radius: var(--border-radius);
  margin: var(--spacing-md) 0;
}

.news-content a {
  color: var(--color-primary);
  text-decoration: underline;
}

.news-navigation {
  display: flex;
  justify-content: space-between;
  margin-top: var(--spacing-2xl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
}

.news-navigation a {
  color: var(--color-primary);
  font-weight: 600;
  text-decoration: none;
}

.news-navigation a:hover {
  text-decoration: underline;
}

@media (max-width: 768px) {
  .news-grid {
    grid-template-columns: 1fr;
  }

  .news-single-header .news-title {
    font-size: 1.75rem;
  }
}
  
  .hero-industrial .hero-subtitle {
    font-size: 1rem;
  }
  
  .section-header-industrial .section-title {
    font-size: 1.75rem;
  }
  
  .products-grid-industrial {
    grid-template-columns: 1fr;
  }
  
  .hero-actions {
    flex-direction: column;
  }
  
  .hero-actions .btn {
    width: 100%;
  }
}

.product-video { margin-bottom: 30px; }
.product-video iframe { width: 100%; height: 400px; border-radius: 8px; }

.product-detail-content .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }