/* Service Page Styles */

/* Our Service Promise Stats Styles */
.service-promise .promise-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1.5rem;
}

.service-promise .stat-item {
  text-align: center;
  padding: 1rem;
  background: #f8fafc;
  border-radius: 0.75rem;
  border: 1px solid #e2e8f0;
  transition: all 0.3s ease;
  min-height: 80px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.service-promise .stat-number {
  font-size: 1.5rem;
  font-weight: 700;
  color: #00476B;
  margin-bottom: 0.25rem;
  line-height: 1.1;
  transition: color 0.3s ease;
}

.service-promise .stat-label {
  font-size: 0.875rem;
  color: #64748b;
  font-weight: 500;
  line-height: 1.2;
  transition: color 0.3s ease;
}

/* Hover effect for stat items */
.service-promise .stat-item:hover {
  background: #f0f9ff;
  border-color: #00476B;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  transform: translateY(-2px);
}

.service-promise .stat-item:hover .stat-number {
  color: #00476B;
}

.service-promise .stat-item:hover .stat-label {
  color: #00476B;
  font-weight: 600;
}

/* Service System Header Styles */
.service-categories .text-center h2 {
  color: var(--primary);
  font-weight: 800;
  position: relative;
  display: inline-block;
  margin-bottom: 1.5rem;
}

.service-categories .text-center h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background-color: var(--primary);
  border-radius: 2px;
}

.service-categories .text-center p {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-top: 1rem;
}

/* Warranty Policy Section Styles */
#warranty-policy {
  background-color: #f8f9fa;
  padding: 4rem 0;
}

#warranty-policy .text-center h2 {
  color: var(--primary);
  font-weight: 800;
  position: relative;
  display: inline-block;
  margin-bottom: 1.5rem;
}

#warranty-policy .text-center h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background-color: var(--primary);
  border-radius: 2px;
}

#warranty-policy .text-center p {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-top: 1rem;
}

/* RePower Global Warranty Policy - Redesigned */
.warranty-item {
  background-color: white;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
  margin-bottom: 1.5rem;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: visible;
  position: relative;
  /* 关键更改：左边留出4px空间给边框 */
  padding-left: 4px;
}

/* 简化边框实现，直接放在padding内 */
.warranty-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(to bottom, var(--primary), var(--primary-dark));
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.4s ease;
  border-radius: 4px 0 0 4px;
}

.warranty-item.active::before {
  transform: scaleY(1);
}

.warranty-item:hover {
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
  transform: translateY(-2px);
}

/* 简化header样式，移除复杂的定位 */
.warranty-header {
  width: 100%;
  padding: 1.5rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: transparent;
  border: none;
  text-align: left;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  z-index: 1;
}

/* 移除可能导致问题的伪元素 */
.warranty-header::after {
  display: none;
}

/* 简化悬停效果 */
.warranty-header:hover {
  background-color: rgba(0, 86, 179, 0.05);
  border-radius: 8px;
}

.warranty-header span {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  transition: color 0.3s ease;
  position: relative;
  display: block;
}

/* Warranty icon styling */
.warranty-icon {
  display: inline-flex;
  margin-right: 1rem;
  margin-bottom: 12px;
  vertical-align: middle;
  transition: all 0.3s ease;
}

.warranty-icon i {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--primary-light);
  color: var(--primary);
  border-radius: 50%;
  font-size: 1.25rem;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 2px 10px rgba(0, 86, 179, 0.1);
}

.warranty-header:hover .warranty-icon i {
  transform: scale(1.1) rotate(5deg);
  background-color: var(--primary);
  color: white;
  box-shadow: 0 4px 16px rgba(0, 86, 179, 0.4);
}

/* Active state styling */
.warranty-item.active .warranty-icon i {
  background-color: var(--primary);
  color: white;
  transform: scale(1.05);
  box-shadow: 0 4px 12px rgba(0, 86, 179, 0.3);
}

.warranty-header:hover span {
  color: var(--primary);
}

.warranty-header:hover span::before {
  background-color: var(--primary);
  transform: scale(1.1);
}

.warranty-header i {
  transition: all 0.3s ease;
  color: var(--primary);
  font-size: 1rem;
  background-color: var(--primary-light);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}

.warranty-header:hover i {
  background-color: var(--primary);
  color: white;
}

.warranty-header i.rotate-180 {
  transform: rotate(180deg);
}

.warranty-content {
  padding: 0 2rem 2rem;
  animation: slideDown 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.warranty-content:not(.hidden) {
  max-height: 1000px;
  opacity: 1;
  padding-top: 1rem;
}

.warranty-content p {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 1rem;
  font-size: 1rem;
}

.warranty-content ul {
  padding-left: 1.5rem;
  margin-bottom: 0.5rem;
}

.warranty-content li {
  margin-bottom: 0.75rem;
  color: var(--text-secondary);
  line-height: 1.7;
  position: relative;
  transition: color 0.2s ease;
}

.warranty-content li:hover {
  color: var(--primary);
  transform: translateX(2px);
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive adjustments */
@media (max-width: 768px) {
  #warranty-policy {
    padding: 3rem 0;
  }
  
  #warranty-policy .text-center h2 {
    font-size: 1.75rem;
  }
  
  .warranty-header {
    padding: 1rem;
  }
  
  .warranty-header span {
    font-size: 1rem;
  }
  
  .warranty-content {
    padding: 0 1rem 1rem;
  }
}

/* Customer Service Center Styles */
#customer-service-center h2 {
  color: var(--primary);
  font-weight: 800;
  position: relative;
  display: inline-block;
  margin-bottom: 1.5rem;
}

#customer-service-center h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background-color: var(--primary);
  border-radius: 2px;
}

#customer-service-center .text-center p {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-top: 1rem;
}

/* Service Highlights */
.service-highlights {
  margin-bottom: 2rem;
}

.service-card {
  background-color: white;
  border-radius: 12px;
  padding: 2rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  border: 1px solid rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), #4a90e2);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-icon {
  width: 80px;
  height: 80px;
  background-color: var(--primary)/10;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  font-size: 2rem;
  color: var(--primary);
  transition: all 0.3s ease;
}

.service-card:hover .service-icon {
  background-color: var(--primary);
  color: white;
  transform: scale(1.1);
}

.service-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-primary);
  transition: color 0.3s ease;
}

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

.service-description {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

/* Service Promise */
.service-promise {
  position: relative;
  transition: all 0.3s ease;
}

.service-promise:hover {
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  transform: translateY(-5px);
}

.promise-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  position: relative;
  display: inline-block;
}

.promise-title::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 60px;
  height: 3px;
  background-color: var(--primary);
  border-radius: 1.5px;
}

.promise-text {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

/* Promise Stats */
.promise-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 2rem;
}

.stat-item {
  text-align: center;
  padding: 1.5rem;
  background-color: rgba(255, 255, 255, 0.5);
  border-radius: 8px;
  transition: all 0.3s ease;
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.stat-item:hover {
  transform: translateY(-5px);
  background-color: var(--primary);
  border-color: var(--primary);
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 0.5rem;
  transition: color 0.3s ease;
}

.stat-item:hover .stat-number {
  color: white;
}

.stat-label {
  font-size: 1rem;
  color: var(--text-secondary);
  transition: color 0.3s ease;
}

.stat-item:hover .stat-label {
  color: rgba(255, 255, 255, 0.9);
}

/* Contact Button */
.btn-contact {
  display: inline-block;
  background-color: var(--primary);
  color: white;
  font-size: 1.125rem;
  font-weight: 600;
  padding: 1rem 2.5rem;
  border-radius: 50px;
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 71, 107, 0.3);
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn-contact::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;
  z-index: -1;
}

.btn-contact:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(0, 71, 107, 0.4);
  background-color: #005a8c;
  border-color: #005a8c;
}

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

.btn-contact:active {
  transform: translateY(1px);
}

/* Responsive Adjustments */
@media (max-width: 768px) {
  .service-highlights {
    gap: 1.5rem;
  }
  
  .service-card {
    padding: 1.5rem;
  }
  
  .service-icon {
    width: 60px;
    height: 60px;
    font-size: 1.5rem;
  }
  
  .promise-stats {
    gap: 1rem;
  }
  
  .stat-item {
    padding: 1rem;
  }
  
  .stat-number {
    font-size: 2rem;
  }
  
  .btn-contact {
    padding: 0.875rem 2rem;
    font-size: 1rem;
  }
}

/* Hero Section */
.service-hero {
    position: relative;
    height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    overflow: hidden;
}

.service-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('../images/banner/banner_service.jpg') center/cover no-repeat;
    z-index: -1;
}

.service-hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.service-hero p {
    font-size: clamp(1rem, 2vw, 1.25rem);
    max-width: 700px;
    margin: 0 auto 2rem;
    line-height: 1.6;
}

/* Service Categories */
.service-categories {
    padding: 5rem 0;
}

.service-category {
    background-color: white;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    padding: 3rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
    border: 1px solid transparent;
}

.service-category:hover {
    transform: translateY(-12px);
    box-shadow: 0 20px 40px rgba(0, 71, 107, 0.15);
    border: 1px solid rgba(0, 71, 107, 0.2);
}

.service-category h2 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: #00476b;
    position: relative;
    padding-bottom: 1rem;
    transition: color 0.3s ease;
}

.service-category:hover h2 {
    color: #00476b;
}

.service-category h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 4px;
    background-color: #00476b;
    border-radius: 2px;
}

.service-category ul {
    margin-top: 1.5rem;
    padding-left: 0;
    list-style: none;
    flex-grow: 1;
}

.service-category li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 1rem;
    font-size: 1rem;
    line-height: 1.6;
    color: #555;
    transition: color 0.3s ease;
}

.service-category:hover li {
    color: #00476b;
}

.service-category li::before {
    content: '●';
    position: absolute;
    left: 0;
    color: #00476b;
    font-size: 0.5rem;
    top: 0.75rem;
    transition: transform 0.3s ease;
}

.service-category:hover li::before {
    transform: scale(1.5);
}

/* Service Process */
.service-process {
    background-color: #f8f9fa;
    padding: 5rem 0;
}

.process-step {
    display: flex;
    align-items: flex-start;
    margin-bottom: 3rem;
}

.process-step-number {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: #0066cc;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.25rem;
    margin-right: 1.5rem;
}

.process-step-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #1a2b49;
}

.process-step-content p {
    color: #555;
    line-height: 1.6;
}

/* Service Highlights */
.service-highlights {
    padding: 5rem 0;
}

.service-highlights .text-center h2 {
    color: #00476b;
    font-weight: 800;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.service-highlights .text-center h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: #00476b;
    border-radius: 2px;
}

.highlight-card {
    background-color: white;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    padding: 2rem;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    height: 100%;
}

.highlight-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
    border: 1px solid rgba(0, 71, 107, 0.2);
}

.highlight-card:hover .highlight-icon {
    background-color: #00476b;
    color: white;
    transform: scale(1.1);
}

.highlight-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background-color: rgba(0, 71, 107, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 1.75rem;
    color: #00476b;
    transition: all 0.3s ease;
}

.highlight-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #00476b;
    transition: color 0.3s ease;
}

.highlight-card p {
    color: #555;
    line-height: 1.6;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .service-hero {
        height: 60vh;
    }
    
    .service-category {
        padding: 2rem;
        margin-bottom: 2rem;
    }
    
    .process-step {
        flex-direction: column;
        text-align: center;
    }
    
    .process-step-number {
        margin: 0 auto 1rem;
    }
}

/* CTA Section */
.service-cta {
    background: linear-gradient(135deg, #0066cc 0%, #004499 100%);
    color: white;
    padding: 5rem 0;
    text-align: center;
}

.service-cta h2 {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.service-cta p {
    font-size: 1.1rem;
    max-width: 800px;
    margin: 0 auto 2.5rem;
    line-height: 1.6;
    opacity: 0.9;
}

.service-cta .btn-primary {
    background-color: white;
    color: #0066cc;
    border: none;
    padding: 0.75rem 2rem;
    border-radius: 30px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
}

.service-cta .btn-primary:hover {
    background-color: #f8f9fa;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.download-center {
  background: #ffffff;
  padding: 6rem 0;
}

.download-center .text-center h2 {
  color: var(--primary);
  font-weight: 800;
  position: relative;
  display: inline-block;
  margin-bottom: 1.5rem;
}

.download-center .text-center h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background-color: var(--primary);
  border-radius: 2px;
}

.download-center .text-center p {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-top: 1rem;
}

.tab-container {
  max-width: 1400px;
  margin: 0 auto;
  background: #ffffff;
  border-radius: 16px;
  box-shadow: 0 15px 35px -15px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  display: flex;
  flex-direction: row;
}

/* Side Tab Navigation Styles */
.tab-navigation {
  display: flex;
  flex-direction: column;
  width: 320px;
  background: #fafbfc;
  border-right: 1px solid #e2e8f0;
  padding: 0;
  gap: 0;
}

.tab-button {
  padding: 1.25rem 1rem 1.25rem 3.5rem;
  background: none;
  border: none;
  border-left: 4px solid transparent;
  font-size: 1.125rem;
  white-space: nowrap;
  font-weight: 600;
  color: #64748b;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  outline: none;
  text-align: left;
  overflow: hidden;
}

/* Ripple effect */
.tab-button::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(0, 71, 107, 0.1);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
  z-index: 0;
}

.tab-button:hover {
  background-color: #f1f5f9;
  color: #00476b;
  padding-left: 5.25rem;
}

.tab-button:hover::after {
  width: 300px;
  height: 300px;
}

.tab-button.active {
  color: #00476b;
  background-color: #fff;
  border-left-color: #00476b;
  font-weight: 700;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  position: relative;
}

.tab-button.active::before {
  content: '';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 12px;
  height: 12px;
  background-color: #00476b;
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(0, 71, 107, 0.1);
}

.tab-button span {
  position: relative;
  z-index: 1;
}

/* Tab button icons */
.tab-button[data-tab="product-material"] {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2364748b' width='20' height='20'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M9 12h6m-6 4h6m2 5H7a2 2 0 01-2-2V5a2 2 0 012-2h5.586a1 1 0 01.707.293l5.414 5.414a1 1 0 01.293.707V19a2 2 0 01-2 2z' /%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: 1.5rem center;
  background-size: 20px;
}

.tab-button[data-tab="product-certification"] {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2364748b' width='20' height='20'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M9 12l2 2 4-4m6 2a9 9 0 11-18 0 9 9 0 0118 0z' /%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: 1.5rem center;
  background-size: 20px;
}

.tab-button[data-tab="enterprise-qualifications"] {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2364748b' width='20' height='20'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 21V5a2 2 0 00-2-2H7a2 2 0 00-2 2v16m14 0h2m-2 0h-5m-9 0H3m2 0h5M9 7h1m-1 4h1m4-4h1m-1 4h1m-5 10v-5a1 1 0 011-1h2a1 1 0 011 1v5m-4 0h4' /%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: 1.5rem center;
  background-size: 20px;
}

.tab-button[data-tab="corporate-introduction"] {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2364748b' width='20' height='20'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 21V5a2 2 0 00-2-2H7a2 2 0 00-2 2v16m14 0h2m-2 0h-5m-9 0H3m2 0h5M9 7h1m-1 4h1m4-4h1m-1 4h1m-5 10v-5a1 1 0 011-1h2a1 1 0 011 1v5m-4 0h4' /%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: 1.5rem center;
  background-size: 20px;
}

.tab-button[data-tab="product-brochure"] {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2364748b' width='20' height='20'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M12 6.253v13m0-13C10.832 5.477 9.246 5 7.5 5S4.168 5.477 3 6.253v13C4.168 18.477 5.754 18 7.5 18s3.332.477 4.5 1.253m0-13C13.168 5.477 14.754 5 16.5 5c1.747 0 3.332.477 4.5 1.253v13C19.832 18.477 18.247 18 16.5 18c-1.746 0-3.332.477-4.5 1.253' /%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: 1.5rem center;
  background-size: 20px;
}

.tab-button[data-tab="product-sheet"] {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2364748b' width='20' height='20'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M9 12h6m-6 4h6m2 5H7a2 2 0 01-2-2V5a2 2 0 012-2h5.586a1 1 0 01.707.293l5.414 5.414a1 1 0 01.293.707V19a2 2 0 01-2 2z' /%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: 1.5rem center;
  background-size: 20px;
}

.tab-button[data-tab="product-specification"] {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2364748b' width='20' height='20'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-3 7h3m-3 4h3m-6-4h.01M9 16h.01' /%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: 1.5rem center;
  background-size: 20px;
}

.tab-button[data-tab="equipment-user-manual"] {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2364748b' width='20' height='20'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M12 6.253v13m0-13C10.832 5.477 9.246 5 7.5 5S4.168 5.477 3 6.253v13C4.168 18.477 5.754 18 7.5 18s3.332.477 4.5 1.253m0-13C13.168 5.477 14.754 5 16.5 5c1.747 0 3.332.477 4.5 1.253v13C19.832 18.477 18.247 18 16.5 18c-1.746 0-3.332.477-4.5 1.253' /%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: 1.5rem center;
  background-size: 20px;
}

/* Hover icon color - keep original icon, just change color via filter */
.tab-button:hover {
  background-color: #f1f5f9;
}

/* All Documents Tab Icon */
.tab-button[data-tab="all-documents"] {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2364748b' width='20' height='20'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M5 19a2 2 0 01-2-2V7a2 2 0 012-2h4l2 2h4a2 2 0 012 2v1M5 19h14a2 2 0 002-2v-5a2 2 0 00-2-2H9a2 2 0 00-2 2v5a2 2 0 01-2 2z' /%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: 1.5rem center;
  background-size: 20px;
}

.tab-button[data-tab="all-documents"]:hover {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2300476b' width='20' height='20'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M5 19a2 2 0 01-2-2V7a2 2 0 012-2h4l2 2h4a2 2 0 012 2v1M5 19h14a2 2 0 002-2v-5a2 2 0 00-2-2H9a2 2 0 00-2 2v5a2 2 0 01-2 2z' /%3E%3C/svg%3E") !important;
}

.tab-button.active[data-tab="all-documents"] {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2300476b' width='20' height='20'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M5 19a2 2 0 01-2-2V7a2 2 0 012-2h4l2 2h4a2 2 0 012 2v1M5 19h14a2 2 0 002-2v-5a2 2 0 00-2-2H9a2 2 0 00-2 2v5a2 2 0 01-2 2z' /%3E%3C/svg%3E") !important;
}

.tab-button[data-tab="product-material"]:hover {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2300476b' width='20' height='20'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M9 12h6m-6 4h6m2 5H7a2 2 0 01-2-2V5a2 2 0 012-2h5.586a1 1 0 01.707.293l5.414 5.414a1 1 0 01.293.707V19a2 2 0 01-2 2z' /%3E%3C/svg%3E") !important;
}

.tab-button[data-tab="product-certification"]:hover {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2300476b' width='20' height='20'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M9 12l2 2 4-4m6 2a9 9 0 11-18 0 9 9 0 0118 0z' /%3E%3C/svg%3E") !important;
}

.tab-button[data-tab="enterprise-qualifications"]:hover {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2300476b' width='20' height='20'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 21V5a2 2 0 00-2-2H7a2 2 0 00-2 2v16m14 0h2m-2 0h-5m-9 0H3m2 0h5M9 7h1m-1 4h1m4-4h1m-1 4h1m-5 10v-5a1 1 0 011-1h2a1 1 0 011 1v5m-4 0h4' /%3E%3C/svg%3E") !important;
}

.tab-button[data-tab="corporate-introduction"]:hover {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2300476b' width='20' height='20'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 21V5a2 2 0 00-2-2H7a2 2 0 00-2 2v16m14 0h2m-2 0h-5m-9 0H3m2 0h5M9 7h1m-1 4h1m4-4h1m-1 4h1m-5 10v-5a1 1 0 011-1h2a1 1 0 011 1v5m-4 0h4' /%3E%3C/svg%3E") !important;
}

.tab-button.active[data-tab="product-material"] {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2300476b' width='20' height='20'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M9 12h6m-6 4h6m2 5H7a2 2 0 01-2-2V5a2 2 0 012-2h5.586a1 1 0 01.707.293l5.414 5.414a1 1 0 01.293.707V19a2 2 0 01-2 2z' /%3E%3C/svg%3E") !important;
}

.tab-button.active[data-tab="product-certification"] {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2300476b' width='20' height='20'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M9 12l2 2 4-4m6 2a9 9 0 11-18 0 9 9 0 0118 0z' /%3E%3C/svg%3E") !important;
}

.tab-button.active[data-tab="enterprise-qualifications"] {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2300476b' width='20' height='20'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 21V5a2 2 0 00-2-2H7a2 2 0 00-2 2v16m14 0h2m-2 0h-5m-9 0H3m2 0h5M9 7h1m-1 4h1m4-4h1m-1 4h1m-5 10v-5a1 1 0 011-1h2a1 1 0 011 1v5m-4 0h4' /%3E%3C/svg%3E") !important;
}

.tab-button.active[data-tab="corporate-introduction"] {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2300476b' width='20' height='20'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 21V5a2 2 0 00-2-2H7a2 2 0 00-2 2v16m14 0h2m-2 0h-5m-9 0H3m2 0h5M9 7h1m-1 4h1m4-4h1m-1 4h1m-5 10v-5a1 1 0 011-1h2a1 1 0 011 1v5m-4 0h4' /%3E%3C/svg%3E") !important;
}

.tab-button[data-tab="product-brochure"]:hover {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2300476b' width='20' height='20'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M12 6.253v13m0-13C10.832 5.477 9.246 5 7.5 5S4.168 5.477 3 6.253v13C4.168 18.477 5.754 18 7.5 18s3.332.477 4.5 1.253m0-13C13.168 5.477 14.754 5 16.5 5c1.747 0 3.332.477 4.5 1.253v13C19.832 18.477 18.247 18 16.5 18c-1.746 0-3.332.477-4.5 1.253' /%3E%3C/svg%3E") !important;
}

.tab-button[data-tab="product-sheet"]:hover {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2300476b' width='20' height='20'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M9 12h6m-6 4h6m2 5H7a2 2 0 01-2-2V5a2 2 0 012-2h5.586a1 1 0 01.707.293l5.414 5.414a1 1 0 01.293.707V19a2 2 0 01-2 2z' /%3E%3C/svg%3E") !important;
}

.tab-button[data-tab="product-specification"]:hover {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2300476b' width='20' height='20'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-3 7h3m-3 4h3m-6-4h.01M9 16h.01' /%3E%3C/svg%3E") !important;
}

.tab-button[data-tab="equipment-user-manual"]:hover {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2300476b' width='20' height='20'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M12 6.253v13m0-13C10.832 5.477 9.246 5 7.5 5S4.168 5.477 3 6.253v13C4.168 18.477 5.754 18 7.5 18s3.332.477 4.5 1.253m0-13C13.168 5.477 14.754 5 16.5 5c1.747 0 3.332.477 4.5 1.253v13C19.832 18.477 18.247 18 16.5 18c-1.746 0-3.332.477-4.5 1.253' /%3E%3C/svg%3E") !important;
}

.tab-button.active[data-tab="product-brochure"] {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2300476b' width='20' height='20'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M12 6.253v13m0-13C10.832 5.477 9.246 5 7.5 5S4.168 5.477 3 6.253v13C4.168 18.477 5.754 18 7.5 18s3.332.477 4.5 1.253m0-13C13.168 5.477 14.754 5 16.5 5c1.747 0 3.332.477 4.5 1.253v13C19.832 18.477 18.247 18 16.5 18c-1.746 0-3.332.477-4.5 1.253' /%3E%3C/svg%3E") !important;
}

.tab-button.active[data-tab="product-sheet"] {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2300476b' width='20' height='20'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M9 12h6m-6 4h6m2 5H7a2 2 0 01-2-2V5a2 2 0 012-2h5.586a1 1 0 01.707.293l5.414 5.414a1 1 0 01.293.707V19a2 2 0 01-2 2z' /%3E%3C/svg%3E") !important;
}

.tab-button.active[data-tab="product-specification"] {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2300476b' width='20' height='20'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-3 7h3m-3 4h3m-6-4h.01M9 16h.01' /%3E%3C/svg%3E") !important;
}

.tab-button.active[data-tab="equipment-user-manual"] {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2300476b' width='20' height='20'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M12 6.253v13m0-13C10.832 5.477 9.246 5 7.5 5S4.168 5.477 3 6.253v13C4.168 18.477 5.754 18 7.5 18s3.332.477 4.5 1.253m0-13C13.168 5.477 14.754 5 16.5 5c1.747 0 3.332.477 4.5 1.253v13C19.832 18.477 18.247 18 16.5 18c-1.746 0-3.332.477-4.5 1.253' /%3E%3C/svg%3E") !important;
}

/* Download Center Category Icons */
.tab-button[data-category="all-documents"] {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2364748b' width='20' height='20'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M5 19a2 2 0 01-2-2V7a2 2 0 012-2h4l2 2h4a2 2 0 012 2v1M5 19h14a2 2 0 002-2v-5a2 2 0 00-2-2H9a2 2 0 00-2 2v5a2 2 0 01-2 2z' /%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: 1.5rem center;
  background-size: 20px;
}

.tab-button[data-category="corporate-introduction"] {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2364748b' width='20' height='20'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 21V5a2 2 0 00-2-2H7a2 2 0 00-2 2v16m14 0h2m-2 0h-5m-9 0H3m2 0h5M9 7h1m-1 4h1m4-4h1m-1 4h1m-5 10v-5a1 1 0 011-1h2a1 1 0 011 1v5m-4 0h4' /%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: 1.5rem center;
  background-size: 20px;
}

.tab-button[data-category="product-catalog"] {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2364748b' width='20' height='20'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M20 7l-8-4-8 4m16 0l-8 4m8-4v10l-8 4m0-10L4 7m8 4v10M4 7v10l8 4' /%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: 1.5rem center;
  background-size: 20px;
}

.tab-button[data-category="technical-documents"] {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2364748b' width='20' height='20'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M9 12h6m-6 4h6m2 5H7a2 2 0 01-2-2V5a2 2 0 012-2h5.586a1 1 0 01.707.293l5.414 5.414a1 1 0 01.293.707V19a2 2 0 01-2 2z' /%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: 1.5rem center;
  background-size: 20px;
}

.tab-button[data-category="user-manual"] {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2364748b' width='20' height='20'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M12 6.253v13m0-13C10.832 5.477 9.246 5 7.5 5S4.168 5.477 3 6.253v13C4.168 18.477 5.754 18 7.5 18s3.332.477 4.5 1.253m0-13C13.168 5.477 14.754 5 16.5 5c1.747 0 3.332.477 4.5 1.253v13C19.832 18.477 18.247 18 16.5 18c-1.746 0-3.332.477-4.5 1.253' /%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: 1.5rem center;
  background-size: 20px;
}

.tab-button[data-category="quality-certificates"] {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2364748b' width='20' height='20'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M9 12l2 2 4-4m5.618-4.016A11.955 11.955 0 0112 2.944a11.955 11.955 0 01-8.618 3.04A12.02 12.02 0 003 9c0 5.591 3.824 10.29 9 11.622 5.176-1.332 9-6.03 9-11.622 0-1.042-.133-2.052-.382-3.016z' /%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: 1.5rem center;
  background-size: 20px;
}

.tab-button[data-category="installation-guide"] {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2364748b' width='20' height='20'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M10.325 4.317c.426-1.756 2.924-1.756 3.35 0a1.724 1.724 0 002.573 1.066c1.543-.94 3.31.826 2.37 2.37a1.724 1.724 0 001.065 2.572c1.756.426 1.756 2.924 0 3.35a1.724 1.724 0 00-1.066 2.573c.94 1.543-.826 3.31-2.37 2.37a1.724 1.724 0 00-2.572 1.065c-.426 1.756-2.924 1.756-3.35 0a1.724 1.724 0 00-2.573-1.066c-1.543.94-3.31-.826-2.37-2.37a1.724 1.724 0 00-1.065-2.572c-1.756-.426-1.756-2.924 0-3.35a1.724 1.724 0 001.066-2.573c-.94-1.543.826-3.31 2.37-2.37.996.608 2.296.07 2.572-1.065z' /%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M15 12a3 3 0 11-6 0 3 3 0 016 0z' /%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: 1.5rem center;
  background-size: 20px;
}

.tab-button[data-category="maintenance-guide"] {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2364748b' width='20' height='20'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M10.325 4.317c.426-1.756 2.924-1.756 3.35 0a1.724 1.724 0 002.573 1.066c1.543-.94 3.31.826 2.37 2.37a1.724 1.724 0 001.065 2.572c1.756.426 1.756 2.924 0 3.35a1.724 1.724 0 00-1.066 2.573c.94 1.543-.826 3.31-2.37 2.37a1.724 1.724 0 00-2.572 1.065c-.426 1.756-2.924 1.756-3.35 0a1.724 1.724 0 00-2.573-1.066c-1.543.94-3.31-.826-2.37-2.37a1.724 1.724 0 00-1.065-2.572c-1.756-.426-1.756-2.924 0-3.35a1.724 1.724 0 001.066-2.573c-.94-1.543.826-3.31 2.37-2.37.996.608 2.296.07 2.572-1.065z' /%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M15 12a3 3 0 11-6 0 3 3 0 016 0z' /%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: 1.5rem center;
  background-size: 20px;
}

.tab-button[data-category="software-downloads"] {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2364748b' width='20' height='20'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M4 16v1a3 3 0 003 3h10a3 3 0 003-3v-1m-4-4l-4 4m0 0l-4-4m4 4V4' /%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: 1.5rem center;
  background-size: 20px;
}

.tab-button[data-category="product-brochure"] {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2364748b' width='20' height='20'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M12 6.253v13m0-13C10.832 5.477 9.246 5 7.5 5S4.168 5.477 3 6.253v13C4.168 18.477 5.754 18 7.5 18s3.332.477 4.5 1.253m0-13C13.168 5.477 14.754 5 16.5 5c1.747 0 3.332.477 4.5 1.253v13C19.832 18.477 18.247 18 16.5 18c-1.746 0-3.332.477-4.5 1.253' /%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: 1.5rem center;
  background-size: 20px;
}

.tab-button[data-category="product-sheet"] {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2364748b' width='20' height='20'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M9 12h6m-6 4h6m2 5H7a2 2 0 01-2-2V5a2 2 0 012-2h5.586a1 1 0 01.707.293l5.414 5.414a1 1 0 01.293.707V19a2 2 0 01-2 2z' /%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: 1.5rem center;
  background-size: 20px;
}

.tab-button[data-category="product-specification"] {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2364748b' width='20' height='20'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-3 7h3m-3 4h3m-6-4h.01M9 16h.01' /%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: 1.5rem center;
  background-size: 20px;
}

.tab-button[data-category="equipment-user-manual"] {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2364748b' width='20' height='20'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M12 18h.01M8 21h8a2 2 0 002-2V5a2 2 0 00-2-2H8a2 2 0 00-2 2v14a2 2 0 002 2z' /%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: 1.5rem center;
  background-size: 20px;
}

/* Hover state for data-category */
.tab-button[data-category="all-documents"]:hover {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2300476b' width='20' height='20'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M5 19a2 2 0 01-2-2V7a2 2 0 012-2h4l2 2h4a2 2 0 012 2v1M5 19h14a2 2 0 002-2v-5a2 2 0 00-2-2H9a2 2 0 00-2 2v5a2 2 0 01-2 2z' /%3E%3C/svg%3E") !important;
}

.tab-button[data-category="corporate-introduction"]:hover {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2300476b' width='20' height='20'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 21V5a2 2 0 00-2-2H7a2 2 0 00-2 2v16m14 0h2m-2 0h-5m-9 0H3m2 0h5M9 7h1m-1 4h1m4-4h1m-1 4h1m-5 10v-5a1 1 0 011-1h2a1 1 0 011 1v5m-4 0h4' /%3E%3C/svg%3E") !important;
}

.tab-button[data-category="product-catalog"]:hover {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2300476b' width='20' height='20'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M20 7l-8-4-8 4m16 0l-8 4m8-4v10l-8 4m0-10L4 7m8 4v10M4 7v10l8 4' /%3E%3C/svg%3E") !important;
}

.tab-button[data-category="technical-documents"]:hover {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2300476b' width='20' height='20'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M9 12h6m-6 4h6m2 5H7a2 2 0 01-2-2V5a2 2 0 012-2h5.586a1 1 0 01.707.293l5.414 5.414a1 1 0 01.293.707V19a2 2 0 01-2 2z' /%3E%3C/svg%3E") !important;
}

.tab-button[data-category="user-manual"]:hover {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2300476b' width='20' height='20'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M12 6.253v13m0-13C10.832 5.477 9.246 5 7.5 5S4.168 5.477 3 6.253v13C4.168 18.477 5.754 18 7.5 18s3.332.477 4.5 1.253m0-13C13.168 5.477 14.754 5 16.5 5c1.747 0 3.332.477 4.5 1.253v13C19.832 18.477 18.247 18 16.5 18c-1.746 0-3.332.477-4.5 1.253' /%3E%3C/svg%3E") !important;
}

.tab-button[data-category="quality-certificates"]:hover {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2300476b' width='20' height='20'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M9 12l2 2 4-4m5.618-4.016A11.955 11.955 0 0112 2.944a11.955 11.955 0 01-8.618 3.04A12.02 12.02 0 003 9c0 5.591 3.824 10.29 9 11.622 5.176-1.332 9-6.03 9-11.622 0-1.042-.133-2.052-.382-3.016z' /%3E%3C/svg%3E") !important;
}

.tab-button[data-category="installation-guide"]:hover {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2300476b' width='20' height='20'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M10.325 4.317c.426-1.756 2.924-1.756 3.35 0a1.724 1.724 0 002.573 1.066c1.543-.94 3.31.826 2.37 2.37a1.724 1.724 0 001.065 2.572c1.756.426 1.756 2.924 0 3.35a1.724 1.724 0 00-1.066 2.573c.94 1.543-.826 3.31-2.37 2.37a1.724 1.724 0 00-2.572 1.065c-.426 1.756-2.924 1.756-3.35 0a1.724 1.724 0 00-2.573-1.066c-1.543.94-3.31-.826-2.37-2.37a1.724 1.724 0 00-1.065-2.572c-1.756-.426-1.756-2.924 0-3.35a1.724 1.724 0 001.066-2.573c-.94-1.543.826-3.31 2.37-2.37.996.608 2.296.07 2.572-1.065z' /%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M15 12a3 3 0 11-6 0 3 3 0 016 0z' /%3E%3C/svg%3E") !important;
}

.tab-button[data-category="maintenance-guide"]:hover {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2300476b' width='20' height='20'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M10.325 4.317c.426-1.756 2.924-1.756 3.35 0a1.724 1.724 0 002.573 1.066c1.543-.94 3.31.826 2.37 2.37a1.724 1.724 0 001.065 2.572c1.756.426 1.756 2.924 0 3.35a1.724 1.724 0 00-1.066 2.573c.94 1.543-.826 3.31-2.37 2.37a1.724 1.724 0 00-2.572 1.065c-.426 1.756-2.924 1.756-3.35 0a1.724 1.724 0 00-2.573-1.066c-1.543.94-3.31-.826-2.37-2.37a1.724 1.724 0 00-1.065-2.572c-1.756-.426-1.756-2.924 0-3.35a1.724 1.724 0 001.066-2.573c-.94-1.543.826-3.31 2.37-2.37.996.608 2.296.07 2.572-1.065z' /%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M15 12a3 3 0 11-6 0 3 3 0 016 0z' /%3E%3C/svg%3E") !important;
}

.tab-button[data-category="software-downloads"]:hover {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2300476b' width='20' height='20'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M4 16v1a3 3 0 003 3h10a3 3 0 003-3v-1m-4-4l-4 4m0 0l-4-4m4 4V4' /%3E%3C/svg%3E") !important;
}

.tab-button[data-category="product-brochure"]:hover {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2300476b' width='20' height='20'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M12 6.253v13m0-13C10.832 5.477 9.246 5 7.5 5S4.168 5.477 3 6.253v13C4.168 18.477 5.754 18 7.5 18s3.332.477 4.5 1.253m0-13C13.168 5.477 14.754 5 16.5 5c1.747 0 3.332.477 4.5 1.253v13C19.832 18.477 18.247 18 16.5 18c-1.746 0-3.332.477-4.5 1.253' /%3E%3C/svg%3E") !important;
}

.tab-button[data-category="product-sheet"]:hover {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2300476b' width='20' height='20'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M9 12h6m-6 4h6m2 5H7a2 2 0 01-2-2V5a2 2 0 012-2h5.586a1 1 0 01.707.293l5.414 5.414a1 1 0 01.293.707V19a2 2 0 01-2 2z' /%3E%3C/svg%3E") !important;
}

.tab-button[data-category="product-specification"]:hover {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2300476b' width='20' height='20'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-3 7h3m-3 4h3m-6-4h.01M9 16h.01' /%3E%3C/svg%3E") !important;
}

.tab-button[data-category="equipment-user-manual"]:hover {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2300476b' width='20' height='20'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M12 18h.01M8 21h8a2 2 0 002-2V5a2 2 0 00-2-2H8a2 2 0 00-2 2v14a2 2 0 002 2z' /%3E%3C/svg%3E") !important;
}

/* Active state for data-category */
.tab-button.active[data-category="all-documents"] {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2300476b' width='20' height='20'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M5 19a2 2 0 01-2-2V7a2 2 0 012-2h4l2 2h4a2 2 0 012 2v1M5 19h14a2 2 0 002-2v-5a2 2 0 00-2-2H9a2 2 0 00-2 2v5a2 2 0 01-2 2z' /%3E%3C/svg%3E") !important;
}

.tab-button.active[data-category="corporate-introduction"] {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2300476b' width='20' height='20'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 21V5a2 2 0 00-2-2H7a2 2 0 00-2 2v16m14 0h2m-2 0h-5m-9 0H3m2 0h5M9 7h1m-1 4h1m4-4h1m-1 4h1m-5 10v-5a1 1 0 011-1h2a1 1 0 011 1v5m-4 0h4' /%3E%3C/svg%3E") !important;
}

.tab-button.active[data-category="product-catalog"] {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2300476b' width='20' height='20'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M20 7l-8-4-8 4m16 0l-8 4m8-4v10l-8 4m0-10L4 7m8 4v10M4 7v10l8 4' /%3E%3C/svg%3E") !important;
}

.tab-button.active[data-category="technical-documents"] {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2300476b' width='20' height='20'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M9 12h6m-6 4h6m2 5H7a2 2 0 01-2-2V5a2 2 0 012-2h5.586a1 1 0 01.707.293l5.414 5.414a1 1 0 01.293.707V19a2 2 0 01-2 2z' /%3E%3C/svg%3E") !important;
}

.tab-button.active[data-category="user-manual"] {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2300476b' width='20' height='20'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M12 6.253v13m0-13C10.832 5.477 9.246 5 7.5 5S4.168 5.477 3 6.253v13C4.168 18.477 5.754 18 7.5 18s3.332.477 4.5 1.253m0-13C13.168 5.477 14.754 5 16.5 5c1.747 0 3.332.477 4.5 1.253v13C19.832 18.477 18.247 18 16.5 18c-1.746 0-3.332.477-4.5 1.253' /%3E%3C/svg%3E") !important;
}

.tab-button.active[data-category="quality-certificates"] {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2300476b' width='20' height='20'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M9 12l2 2 4-4m5.618-4.016A11.955 11.955 0 0112 2.944a11.955 11.955 0 01-8.618 3.04A12.02 12.02 0 003 9c0 5.591 3.824 10.29 9 11.622 5.176-1.332 9-6.03 9-11.622 0-1.042-.133-2.052-.382-3.016z' /%3E%3C/svg%3E") !important;
}

.tab-button.active[data-category="installation-guide"] {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2300476b' width='20' height='20'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M10.325 4.317c.426-1.756 2.924-1.756 3.35 0a1.724 1.724 0 002.573 1.066c1.543-.94 3.31.826 2.37 2.37a1.724 1.724 0 001.065 2.572c1.756.426 1.756 2.924 0 3.35a1.724 1.724 0 00-1.066 2.573c.94 1.543-.826 3.31-2.37 2.37a1.724 1.724 0 00-2.572 1.065c-.426 1.756-2.924 1.756-3.35 0a1.724 1.724 0 00-2.573-1.066c-1.543.94-3.31-.826-2.37-2.37a1.724 1.724 0 00-1.065-2.572c-1.756-.426-1.756-2.924 0-3.35a1.724 1.724 0 001.066-2.573c-.94-1.543.826-3.31 2.37-2.37.996.608 2.296.07 2.572-1.065z' /%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M15 12a3 3 0 11-6 0 3 3 0 016 0z' /%3E%3C/svg%3E") !important;
}

.tab-button.active[data-category="maintenance-guide"] {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2300476b' width='20' height='20'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M10.325 4.317c.426-1.756 2.924-1.756 3.35 0a1.724 1.724 0 002.573 1.066c1.543-.94 3.31.826 2.37 2.37a1.724 1.724 0 001.065 2.572c1.756.426 1.756 2.924 0 3.35a1.724 1.724 0 00-1.066 2.573c.94 1.543-.826 3.31-2.37 2.37a1.724 1.724 0 00-2.572 1.065c-.426 1.756-2.924 1.756-3.35 0a1.724 1.724 0 00-2.573-1.066c-1.543.94-3.31-.826-2.37-2.37a1.724 1.724 0 00-1.065-2.572c-1.756-.426-1.756-2.924 0-3.35a1.724 1.724 0 001.066-2.573c-.94-1.543.826-3.31 2.37-2.37.996.608 2.296.07 2.572-1.065z' /%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M15 12a3 3 0 11-6 0 3 3 0 016 0z' /%3E%3C/svg%3E") !important;
}

.tab-button.active[data-category="software-downloads"] {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2300476b' width='20' height='20'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M4 16v1a3 3 0 003 3h10a3 3 0 003-3v-1m-4-4l-4 4m0 0l-4-4m4 4V4' /%3E%3C/svg%3E") !important;
}

.tab-button.active[data-category="product-brochure"] {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2300476b' width='20' height='20'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M12 6.253v13m0-13C10.832 5.477 9.246 5 7.5 5S4.168 5.477 3 6.253v13C4.168 18.477 5.754 18 7.5 18s3.332.477 4.5 1.253m0-13C13.168 5.477 14.754 5 16.5 5c1.747 0 3.332.477 4.5 1.253v13C19.832 18.477 18.247 18 16.5 18c-1.746 0-3.332.477-4.5 1.253' /%3E%3C/svg%3E") !important;
}

.tab-button.active[data-category="product-sheet"] {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2300476b' width='20' height='20'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M9 12h6m-6 4h6m2 5H7a2 2 0 01-2-2V5a2 2 0 012-2h5.586a1 1 0 01.707.293l5.414 5.414a1 1 0 01.293.707V19a2 2 0 01-2 2z' /%3E%3C/svg%3E") !important;
}

.tab-button.active[data-category="product-specification"] {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2300476b' width='20' height='20'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-3 7h3m-3 4h3m-6-4h.01M9 16h.01' /%3E%3C/svg%3E") !important;
}

.tab-button.active[data-category="equipment-user-manual"] {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2300476b' width='20' height='20'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M12 18h.01M8 21h8a2 2 0 002-2V5a2 2 0 00-2-2H8a2 2 0 00-2 2v14a2 2 0 002 2z' /%3E%3C/svg%3E") !important;
}
  background-size: contain;
  background-repeat: no-repeat;
  margin-right: 0.75rem;
  opacity: 0.7;
  transition: all 0.3s ease;
}

.tab-button[data-tab="product-material"]::before {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2300476b'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M9 12h6m-6 4h6m2 5H7a2 2 0 01-2-2V5a2 2 0 012-2h5.586a1 1 0 01.707.293l5.414 5.414a1 1 0 01.293.707V19a2 2 0 01-2 2z' /%3E%3C/svg%3E");
}

.tab-button[data-tab="product-certification"]::before {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2300476b'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M9 12l2 2 4-4m5.618-4.016A11.955 11.955 0 0112 2.944a11.955 11.955 0 01-8.618 3.04A12.02 12.02 0 003 9c0 5.591 3.824 10.29 9 11.622 5.176-1.332 9-6.03 9-11.622 0-1.042-.133-2.052-.382-3.016z' /%3E%3C/svg%3E");
}

.tab-button[data-tab="enterprise-qualifications"]::before {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2300476b'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 21V5a2 2 0 00-2-2H7a2 2 0 00-2 2v16m14 0h2m-2 0h-5m-9 0H3m2 0h5M9 7h1m-1 4h1m4-4h1m-1 4h1m-5 10v-5a1 1 0 011-1h2a1 1 0 011 1v5m-4 0h4' /%3E%3C/svg%3E");
}

/* Tab Content Styles */
.tab-content-wrapper {
  flex: 1;
  padding: 0 2.5rem 2.5rem 2.5rem;
  background: #ffffff;
  position: relative;
}

.tab-content {
  display: none;
  animation: fadeIn 0.4s ease-out;
  position: relative;
}

.tab-content.active {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateX(20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* File List Styles */
.file-list {
  margin-bottom: 2rem;
  background: #fafbfc;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid #e2e8f0;
}

.file-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid #e2e8f0;
  transition: all 0.3s ease;
  position: relative;
}

.file-item:last-child {
  border-bottom: none;
}

.file-item:hover {
  background-color: #ffffff;
  transform: translateX(5px);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.file-name {
  flex: 1;
  font-weight: 600;
  color: #1e293b;
  font-size: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: color 0.3s ease;
}

.file-name i {
  color: #00476b;
  font-size: 1.25rem;
  flex-shrink: 0;
  width: 1.25rem;
  text-align: center;
}

@media (max-width: 768px) {
  .file-name i {
    font-size: 1rem;
    width: 1rem;
  }
}

.file-item:hover .file-name {
  color: #00476b;
}

.file-size {
  margin: 0 1.5rem;
  color: #64748b;
  font-size: 0.875rem;
  font-weight: 500;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.file-size::before {
  content: '';
  width: 8px;
  height: 8px;
  background-color: #cbd5e1;
  border-radius: 50%;
  display: inline-block;
}

.file-date {
  margin: 0 1.5rem;
  color: #64748b;
  font-size: 0.875rem;
  font-weight: 500;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.file-date::before {
  content: '';
  width: 8px;
  height: 8px;
  background-color: #cbd5e1;
  border-radius: 50%;
  display: inline-block;
}

.download-btn {
  padding: 0.5rem 1.25rem;
  background: #ffffff;
  color: #00476b;
  border: 2px solid #00476b;
  border-radius: 6px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  position: relative;
}

.download-btn:hover {
  background: #00476b;
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 71, 107, 0.3);
  border-color: #003652;
}

.pagination {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 2.5rem;
}

.page-btn {
  padding: 0.625rem 1rem;
  color: #64748b;
  text-decoration: none;
  border-radius: 8px;
  transition: all 0.3s ease;
  font-weight: 500;
  background: white;
  border: 1px solid #e2e8f0;
}

.page-btn:hover {
  background-color: #f1f5f9;
  color: #00476b;
  border-color: #cbd5e0;
  transform: translateY(-1px);
}

.page-btn.active {
  background: linear-gradient(135deg, #00476b 0%, #005a8c 100%);
  color: white;
  font-weight: 600;
  border-color: #00476b;
  transform: translateY(-1px) scale(1.05);
}

/* Responsive Design */
@media (max-width: 1024px) {
  .tab-container {
    flex-direction: column;
  }
  
  .tab-navigation {
    width: 100%;
    flex-direction: row;
    overflow-x: auto;
    gap: 0;
    background: #ffffff;
    border-right: none;
    border-bottom: 1px solid #e2e8f0;
  }
  
  .tab-button {
    white-space: nowrap;
    flex-shrink: 0;
    border-left: none;
    border-bottom: 3px solid transparent;
    padding: 1rem 1.5rem 1rem 3.5rem;
    background-position: 1rem center !important;
    background-size: 18px !important;
  }
  
  .tab-button.active {
    border-left-color: transparent;
    border-bottom-color: #00476b;
    background-color: #ffffff;
  }
  
  .tab-button.active::before {
    display: none;
  }
  
  .tab-button.active::after {
    display: none;
  }
}

@media (max-width: 768px) {
  .download-center {
    padding: 3rem 0;
  }
  
  .tab-content-wrapper {
    padding: 1.5rem;
  }
  
  .tab-button {
    padding: 0.875rem 1rem 0.875rem 3.25rem;
    background-position: 0.875rem center !important;
    font-size: 1rem;
  }
  
  .file-item {
    flex-direction: column;
    align-items: flex-start;
    padding: 1.25rem;
    gap: 1rem;
  }
  
  .file-size {
    margin: 0;
    width: auto;
  }
  
  .file-date {
    margin: 0;
    width: auto;
  }
  
  .download-btn {
    width: 100%;
    justify-content: center;
    text-align: center;
  }
}

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

.fade-in-up {
    animation: fadeInUp 1s ease forwards;
    opacity: 0;
}

.delay-1 {
    animation-delay: 0.2s;
}

.delay-2 {
    animation-delay: 0.4s;
}

.delay-3 {
    animation-delay: 0.6s;
}

.delay-4 {
    animation-delay: 0.8s;
}

/* Download Search Box */
.download-search-box {
  margin-bottom: 1.5rem;
}

.download-search-box .search-form {
  display: flex;
  gap: 0.5rem;
  max-width: 700px;
  margin: 0 auto;
}

.download-search-box .search-input {
  flex: 1;
  padding: 0.75rem 1rem;
  border: 2px solid #e2e8f0;
  border-radius: 8px;
  font-size: 1rem;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.download-search-box .search-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 71, 107, 0.1);
}

.download-search-box .search-input-wrapper {
  position: relative;
  flex: 1;
}

.download-search-box .search-suggestions {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: white;
  border: 1px solid #e2e8f0;
  border-top: none;
  border-radius: 0 0 8px 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  max-height: 300px;
  overflow-y: auto;
  z-index: 100;
  display: none;
}

.download-search-box .search-suggestions.show {
  display: block;
}

.download-search-box .search-suggestion-item {
  padding: 0.75rem 1rem;
  cursor: pointer;
  border-bottom: 1px solid #f1f5f9;
  transition: background 0.2s ease;
  font-size: 0.875rem;
  color: #334155;
}

.download-search-box .search-suggestion-item:hover {
  background: #f1f5f9;
}

.download-search-box .search-suggestion-item:last-child {
  border-bottom: none;
}

.download-search-box .search-suggestion-item .highlight {
  color: var(--color-primary);
  font-weight: 600;
  background: rgba(0, 71, 107, 0.1);
  padding: 0 2px;
  border-radius: 2px;
}

.download-search-box .search-suggestion-item.active {
  background: #e0f2fe;
  border-left: 3px solid var(--color-primary);
}

.download-search-box .search-suggestion-empty {
  padding: 0.75rem 1rem;
  color: #94a3b8;
  font-size: 0.875rem;
  text-align: center;
}

.download-search-box .search-btn {
  padding: 0.75rem 1.5rem;
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.3s ease;
}

.download-search-box .search-btn:hover {
  background: #003654;
}

.download-search-box .clear-search-btn {
  padding: 0.75rem 1.25rem;
  background: #f1f5f9;
  color: #64748b;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  cursor: pointer;
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all 0.3s ease;
  font-size: 0.875rem;
  font-weight: 500;
}

.download-search-box .clear-search-btn:hover {
  background: #e2e8f0;
  color: #ef4444;
  border-color: #ef4444;
}

/* Download Pagination */
.download-pagination {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.download-pagination .pagination-nav {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.download-pagination .pagination-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 0.75rem;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  color: #64748b;
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s ease;
}

.download-pagination .pagination-link:hover:not(.pagination-disabled):not(.pagination-active) {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: #f1f5f9;
}

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

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

.download-pagination .pagination-ellipsis {
  padding: 0 0.5rem;
  color: #94a3b8;
}

.download-pagination .pagination-info {
  color: #64748b;
  font-size: 0.875rem;
}