/* Additional Modern UI Styles */

/* Featured Products Section */
.featured-products {
  padding: var(--spacing-xl) 0;
  background-color: var(--background-light);
}

.section-header {
  margin-bottom: var(--spacing-lg);
}

.section-title {
  font-size: var(--font-size-h2);
  color: var(--text-dark);
  margin-bottom: var(--spacing-xs);
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background-color: var(--primary-color);
}

.section-subtitle {
  color: var(--text-light);
  font-size: 1.1rem;
  max-width: 700px;
  margin: 0 auto;
  margin-top: var(--spacing-sm);
}

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

.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr); /* Always 4 columns */
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
}

.product-card {
  background: var(--white);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}

.product-image {
  position: relative;
  overflow: hidden;
  padding-bottom: 75%; /* 4:3 Aspect Ratio */
}

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

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

.hover-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.product-card:hover .hover-overlay {
  opacity: 1;
}

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

.product-title {
  font-size: 1.2rem;
  margin-bottom: var(--spacing-xs);
}

.product-title a {
  color: var(--text-dark);
  transition: color var(--transition-fast);
}

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

.product-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.product-category {
  color: var(--primary-color);
  font-size: 0.9rem;
  font-weight: 600;
}

.view-all-btn {
  margin-top: var(--spacing-md);
}

/* Testimonials Section */
.testimonials {
  padding: var(--spacing-xl) 0;
  background-color: var(--white);
}

.testimonial-slide {
  padding: var(--spacing-sm);
}

.testimonial-card {
  background: var(--white);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-md);
  position: relative;
}

.testimonial-quote {
  position: absolute;
  top: -24px;
  left: var(--spacing-md);
  color: var(--primary-color);
  opacity: 0.2;
}

.testimonial-content {
  margin-top: var(--spacing-sm);
  font-style: italic;
  color: var(--text-dark);
  font-size: 1.05rem;
  line-height: 1.7;
}

.testimonial-author {
  margin-top: var(--spacing-md);
  display: flex;
  flex-direction: column;
}

.author-name {
  font-weight: 700;
  color: var(--text-dark);
}

.author-company {
  font-size: 0.9rem;
  color: var(--text-light);
}

.testimonials-pagination {
  position: relative;
  margin-top: var(--spacing-md);
}

/* Company Advantages */
.company-advantages {
  padding: var(--spacing-xl) 0;
  background-color: var(--background-light);
}

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

.advantage-card {
  background: var(--white);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-sm);
  text-align: center;
  transition: all var(--transition-normal);
}

.advantage-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.advantage-icon {
  margin-bottom: var(--spacing-sm);
  color: var(--primary-color);
}

.advantage-title {
  color: var(--text-dark);
  margin-bottom: var(--spacing-xs);
  font-size: var(--font-size-h4);
}

.advantage-text {
  color: var(--text-light);
  line-height: 1.6;
}

/* Video Showcase */
.video-showcase {
  padding: var(--spacing-xl) 0;
  background-color: var(--white);
}

.video-showcase .l-wrap {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
}

.video-container {
  flex: 1;
  min-width: 300px;
  padding: 0 var(--spacing-md);
  margin-bottom: var(--spacing-md);
  z-index: 5;
  /* Make sure content shows properly */
  overflow: visible;
  /* Ensure proper spacing */
  width: 100%;
}

.video-text {
  flex: 1;
  min-width: 300px;
  padding: 0 var(--spacing-md);
}

.video-placeholder {
  position: relative;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  cursor: pointer;
}

.video-placeholder img {
  width: 100%;
  display: block;
  transition: transform var(--transition-normal);
}

.video-placeholder:hover img {
  transform: scale(1.05);
}

.play-button {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  transition: all var(--transition-normal);
}

.video-placeholder:hover .play-button {
  transform: translate(-50%, -50%) scale(1.1);
}

/* YouTube视频容器的样式已直接添加到HTML的内联样式中 */

.video-text p {
  margin: var(--spacing-md) 0;
  color: var(--text-light);
  line-height: 1.7;
  font-size: 1.05rem;
}

/* Footer Enhancements */
footer {
  background: var(--background-dark);
  color: var(--white);
  padding-top: var(--spacing-xl);
}

.foot-main {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  padding-bottom: var(--spacing-lg);
}

.foot-info {
  width: 100%;
  max-width: 300px;
  margin-right: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.foot-logo img {
  max-height: 60px;
  margin-bottom: var(--spacing-md);
}

.foot-tel {
  margin-bottom: var(--spacing-sm);
  line-height: 1.8;
}

.foot-share ul {
  display: flex;
}

.foot-share ul li a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  margin-right: 10px;
  color: var(--white);
  transition: all var(--transition-fast);
}

.foot-share ul li a:hover {
  background: var(--primary-color);
  transform: translateY(-3px);
}

.foot-nav {
  display: flex;
  flex-wrap: wrap;
  flex: 1;
}

.foot-item {
  min-width: 180px;
  margin-bottom: var(--spacing-md);
  margin-right: var(--spacing-md);
}

.foot-title {
  color: var(--white);
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  position: relative;
  padding-bottom: var(--spacing-xs);
}

.foot-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 2px;
  background: var(--primary-color);
}

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

.foot-list li a {
  color: rgba(255, 255, 255, 0.8);
  transition: all var(--transition-fast);
  position: relative;
  padding-left: var(--spacing-xs);
}

.foot-list li a::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--primary-color);
  opacity: 0;
  transition: all var(--transition-fast);
}

.foot-list li a:hover {
  color: var(--white);
  padding-left: calc(var(--spacing-xs) + 5px);
}

.foot-list li a:hover::before {
  opacity: 1;
}

.foot-code {
  min-width: 200px;
}

.foot-qrimg {
  border: 5px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius-sm);
  overflow: hidden;
}

.copyright {
  padding: var(--spacing-md) 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.6);
  text-align: center;
  position: relative;
}

.gotop {
  position: fixed;
  right: 30px;
  bottom: 30px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--primary-color);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-normal);
  z-index: 99;
  box-shadow: var(--shadow-md);
}

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

.gotop:hover {
  background: var(--secondary-color);
  transform: translateY(-5px);
}

/* Modern Banner Styles */
.modern-banner, .modern-banner-mobile {
  border-radius: var(--border-radius-lg);
  overflow: hidden;
}

.modern-banner .swiper-slide, .modern-banner-mobile .swiper-slide {
  border-radius: var(--border-radius-lg);
}

.banner-link {
  display: block;
  position: relative;
  height: 100%;
  width: 100%;
}

.banner-btn {
  margin-top: var(--spacing-md);
  transform: translateY(20px);
  opacity: 0;
  transition: all 0.6s ease 0.7s;
}

.swiper-slide-active .banner-btn {
  transform: translateY(0);
  opacity: 1;
}

/* Modern Category Styles */
.modern-category-swiper, .modern-category-swiper-mobile {
  margin-bottom: var(--spacing-lg);
}

.category-slide-link {
  display: block;
  position: relative;
  height: 100%;
  width: 100%;
}

.modern-category-grid .category-item {
  position: relative;
}

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

.category-description {
  color: var(--text-light);
  margin-bottom: var(--spacing-md);
  min-height: 60px;
}

.category-btn-wrapper {
  margin-top: var(--spacing-sm);
  transform: translateY(20px);
  opacity: 0;
  transition: all 0.6s ease 0.7s;
}

.swiper-slide-active .category-btn-wrapper {
  transform: translateY(0);
  opacity: 1;
}

/* Media Queries */
@media (max-width: 992px) {
  .products-grid {
    grid-template-columns: repeat(4, 1fr); /* Keep 4 columns */
  }
  
  .advantages-grid {
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  }
  
  .video-container, .video-text {
    flex: 100%;
    margin-bottom: var(--spacing-md);
  }
  
  .foot-info {
    max-width: 100%;
    margin-right: 0;
  }
}

@media (max-width: 768px) {
  .products-grid {
    grid-template-columns: repeat(4, 1fr); /* Keep 4 columns */
    gap: var(--spacing-xs); /* Reduce gap at smaller screens */
  }
  
  .advantages-grid {
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  }
  
  .foot-nav {
    flex-direction: column;
  }
  
  .foot-item {
    width: 100%;
    margin-right: 0;
  }
}

@media (max-width: 576px) {
  .section-title {
    font-size: var(--font-size-h3);
  }
  
  .section-subtitle {
    font-size: 0.95rem;
  }
  
  .products-grid {
    grid-template-columns: repeat(4, 1fr); /* Keep 4 columns */
    gap: 5px; /* Further reduce gap at very small screens */
  }
  
  .product-title {
    font-size: 12px;
    line-height: 1.2;
  }
  
  .product-meta, .product-category {
    font-size: 10px;
  }
  
  .product-image .btn {
    font-size: 10px;
    padding: 4px 8px;
  }
  
  .product-info {
    padding: 6px;
  }
  
  .advantages-grid {
    grid-template-columns: 1fr;
  }
  
  .advantage-card {
    padding: var(--spacing-md);
  }
  
  .testimonial-card {
    padding: var(--spacing-md);
  }
}