/* 通用CSS文件的内容在下一个文件中 */
@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;700&display=swap");

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Noto Sans SC", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: #333;
  background-color: #fff;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: color 0.3s ease;
}

ul {
  list-style: none;
}

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

/* 页面加载器 */
.page-loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.page-loader.hidden {
  opacity: 0;
  visibility: hidden;
}

.loader-spinner {
  width: 50px;
  height: 50px;
  border: 4px solid #f3f3f3;
  border-top: 4px solid rgba(20, 117, 207, 1);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

/* 容器 */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.container-large {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
}

.container-medium {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 20px;
}

/* 头部 */
.site-header {
  position: relative;
  z-index: 100;
  background-color: #fff;
}

.header-top {
  background-color: #fff;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
}

/* 更新LOGO样式为适合图片显示 */
.logo {
  display: inline-block;
  height: 67px;
}

.logo img {
  height: 100%;
  width: auto;
  display: block;
}

.contact-info {
  display: flex;
  align-items: center;
  gap: 8px;
}

.contact-info .icon {
  width: 20px;
  height: 20px;
  color: rgba(20, 117, 207, 1);
}

.contact-info .label {
  font-size: 12px;
  color: #666;
}

.contact-info .phone {
  font-size: 18px;
  font-weight: 700;
  color: rgba(20, 117, 207, 1);
}

/* 导航 */
.main-nav {
  background-color: rgba(20, 117, 207, 1);
  width: 100%;
}

.nav-menu {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 12px 0;
}

.nav-menu li {
  display: flex;
  align-items: center;
}

.nav-menu a {
  padding: 8px 24px;
  font-size: 14px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.9);
  transition: all 0.3s ease;
}

.nav-menu a:hover,
.nav-menu a.active {
  color: #fff;
  font-weight: 600;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
}

.nav-menu .separator {
  color: rgba(255, 255, 255, 0.3);
  font-size: 14px;
}

/* 轮播图 */
.hero-slider {
  position: relative;
  height: 600px;
  overflow: hidden;
  background-color: #1a1a1a;
}

.slides-wrapper {
  position: relative;
  width: 100%;
  height: 100%;
}

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

.slide.active {
  opacity: 1;
}

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

.slide-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: ;
}

.slide-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  max-width: 1200px;
  padding: 0 20px;
  color: #fff;
}

.slide-content h1 {
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 24px;
  line-height: 1.2;
}

.slide-content p {
  font-size: 20px;
  margin-bottom: 32px;
  line-height: 1.6;
}

.slider-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  background-color: rgba(0, 0, 0, 0.3);
  color: #fff;
  padding: 12px;
  border-radius: 50%;
  transition: all 0.3s ease;
  opacity: 0;
}

.hero-slider:hover .slider-btn {
  opacity: 1;
}

.slider-btn:hover {
  background-color: rgba(0, 0, 0, 0.5);
}

.slider-btn svg {
  width: 24px;
  height: 24px;
  display: block;
}

.prev-btn {
  left: 16px;
}

.next-btn {
  right: 16px;
}

.slider-indicators {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  gap: 8px;
}

.indicator {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: all 0.3s ease;
}

.indicator.active {
  width: 32px;
  border-radius: 6px;
  background-color: #fff;
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 32px;
  font-size: 16px;
  font-weight: 500;
  border-radius: 4px;
  transition: all 0.3s ease;
  cursor: pointer;
}

.btn-primary {
  background-color: rgba(20, 117, 207, 1);
  color: #fff;
}

.btn-primary:hover {
  background-color: rgba(15, 100, 180, 1);
  box-shadow: 0 4px 12px rgba(20, 117, 207, 0.3);
}

.btn-outline {
  background-color: transparent;
  color: #333;
  border: 2px solid #ddd;
}

.btn-outline:hover {
  border-color: rgba(20, 117, 207, 1);
  color: rgba(20, 117, 207, 1);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 14px;
}

.btn-lg {
  padding: 16px 48px;
  font-size: 18px;
}

.btn-block {
  width: 100%;
}

.btn-large {
  padding: 16px 64px;
}

.btn svg {
  width: 16px;
  height: 16px;
}

/* 区块 */
.section {
  padding: 80px 0;
}

.section-title {
  text-align: center;
  margin-bottom: 48px;
}

.section-title h1,
.section-title h2 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 16px;
  color: #1a1a1a;
}

.section-title p {
  font-size: 16px;
  color: #666;
}

.section-title-center {
  text-align: center;
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 48px;
  color: #1a1a1a;
}

.bg-light {
  background-color: #f8f9fa;
}

/* 网格布局 */
.grid {
  display: grid;
  gap: 24px;
}

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

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

/* 卡片 */
.card {
  background-color: #fff;
  border: 2px solid #e5e7eb;
  border-radius: 8px;
  transition: all 0.3s ease;
  overflow: hidden;
}

.card:hover {
  border-color: rgba(20, 117, 207, 1);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

/* 图标包装 */
.icon-wrapper {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background-color: #e8f2ff;
  margin-bottom: 16px;
}

.icon-wrapper svg {
  width: 32px;
  height: 32px;
  color: rgba(20, 117, 207, 1);
}

.icon-wrapper-large {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background-color: #e8f2ff;
  margin-bottom: 24px;
}

.icon-wrapper-large svg {
  width: 40px;
  height: 40px;
  color: rgba(20, 117, 207, 1);
}

/* 动画 */
.slide-in {
  opacity: 0;
  transform: translateX(100px);
  transition: all 0.8s ease;
}

.slide-in.visible {
  opacity: 1;
  transform: translateX(0);
}

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

.animate-fade-up {
  animation: fadeUp 0.8s ease forwards;
}

/* 文本对齐 */
.text-center {
  text-align: center;
}

/* 优势卡片 */
.advantage-card {
  text-align: center;
  padding: 32px 24px;
}

.advantage-card h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
  color: #1a1a1a;
}

.advantage-card p {
  font-size: 14px;
  color: #666;
  line-height: 1.6;
}

/* 分类标签 */
.category-tabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  margin-bottom: 40px;
  background-color: #fff;
  padding: 16px;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.category-btn {
  padding: 12px 24px;
  border-radius: 24px;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.3s ease;
  background-color: #f3f4f6;
  color: #374151;
}

.category-btn:hover {
  background-color: #e5e7eb;
}

.category-btn.active {
  background-color: rgba(20, 117, 207, 1);
  color: #fff;
  box-shadow: 0 4px 12px rgba(20, 117, 207, 0.3);
}

/* 产品卡片 */
.product-card {
  display: block;
}

.product-card .card {
  height: 100%;
}

.product-image {
  aspect-ratio: 1;
  overflow: hidden;
  background-color: #f3f4f6;
}

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

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

.product-info {
  padding: 16px;
  text-align: center;
}

.product-info h3 {
  font-size: 14px;
  font-weight: 600;
  color: #1a1a1a;
  transition: color 0.3s ease;
}

.product-card:hover .product-info h3 {
  color: rgba(20, 117, 207, 1);
}

/* 实力卡片 */
.strength-card {
  padding: 32px;
  background-color: #f8f9fa;
}

.strength-card h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
  color: #1a1a1a;
}

.strength-card .subtitle {
  color: rgba(20, 117, 207, 1);
  font-weight: 600;
  margin-bottom: 16px;
}

.strength-card .description {
  color: #666;
  line-height: 1.8;
}

/* 新闻卡片 */
.news-card {
  display: block;
}

.news-card .card {
  padding: 0;
  height: 100%;
}

.news-card-content {
  display: flex;
}

.news-image {
  width: 33.333%;
  flex-shrink: 0;
  overflow: hidden;
  background-color: #f3f4f6;
}

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

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

.news-text {
  width: 66.667%;
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.news-text h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 12px;
  color: #1a1a1a;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color 0.3s ease;
}

.news-card:hover .news-text h3 {
  color: rgba(20, 117, 207, 1);
}

.news-text p {
  font-size: 14px;
  color: #666;
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* 表单 */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 8px;
  color: #374151;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  font-size: 14px;
  border: 2px solid #e5e7eb;
  border-radius: 4px;
  background-color: #fff;
  transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: rgba(20, 117, 207, 1);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.contact-card {
  max-width: 600px;
  margin: 0 auto;
  padding: 32px;
  background-color: #f8f9fa;
}

.contact-form-wrapper {
  max-width: 600px;
  margin: 0 auto;
}

/* 页脚 */
.site-footer {
  background-color: #1f2937;
  color: #9ca3af;
  margin-top: 80px;
  padding-top: 48px;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-bottom: 32px;
}

.footer-column h3 {
  color: #fff;
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 16px;
}

.footer-column ul {
  list-style: none;
}

.footer-column li {
  margin-bottom: 8px;
}

.footer-column a {
  color: #9ca3af;
  transition: color 0.3s ease;
}

.footer-column a:hover {
  color: rgba(20, 117, 207, 1);
}

.footer-column .phone {
  font-size: 20px;
  font-weight: 700;
  color: rgba(20, 117, 207, 1);
  margin: 8px 0;
}

.footer-column .address {
  margin-top: 16px;
}

.footer-bottom {
  border-top: 1px solid #374151;
  padding: 24px 0;
  text-align: center;
}

.footer-bottom p {
  margin: 4px 0;
}

.footer-bottom a {
  color: rgba(20, 117, 207, 1);
  margin-left: 4px;
}

/* 产品详情页 */
.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

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

.main-image-wrapper {
  position: relative;
  aspect-ratio: 1;
  background-color: #f3f4f6;
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 16px;
}

.main-image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.thumbnail-wrapper {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 8px;
  margin-bottom: 16px;
}

.thumbnail {
  aspect-ratio: 1;
  cursor: pointer;
  border: 2px solid transparent;
  border-radius: 4px;
  overflow: hidden;
  transition: border-color 0.3s ease;
}

.thumbnail:hover,
.thumbnail.active {
  border-color: rgba(20, 117, 207, 1);
}

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

.product-info {
  padding-top: 16px;
}

.product-nav {
  display: flex;
  justify-content: space-between;
  margin-bottom: 24px;
}

.product-title {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 16px;
  color: #1a1a1a;
}

.product-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid #e5e7eb;
  color: #666;
  font-size: 14px;
}

.btn-share {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 6px 12px;
  color: #666;
  border: 1px solid #e5e7eb;
  border-radius: 4px;
  font-size: 14px;
  transition: all 0.3s ease;
}

.btn-share:hover {
  color: rgba(20, 117, 207, 1);
  border-color: rgba(20, 117, 207, 1);
}

.btn-share svg {
  width: 16px;
  height: 16px;
}

.product-description {
  padding: 24px 0;
  border-bottom: 1px solid #e5e7eb;
}

.product-description h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 16px;
  color: #1a1a1a;
}

.product-description p {
  color: #666;
  line-height: 1.8;
  margin-bottom: 12px;
}

.product-actions {
  display: flex;
  gap: 16px;
  padding-top: 24px;
}

.product-actions .btn {
  flex: 1;
}

/* 产品规格 */
.spec-card {
  padding: 32px;
}

.spec-card h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 24px;
  color: #1a1a1a;
}

.spec-list {
  list-style: none;
}

.spec-list li {
  display: flex;
  align-items: flex-start;
  margin-bottom: 12px;
  color: #666;
  line-height: 1.8;
}

.spec-list li::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  background-color: rgba(20, 117, 207, 1);
  border-radius: 50%;
  margin-right: 12px;
  margin-top: 8px;
  flex-shrink: 0;
}

.spec-description {
  color: #666;
  line-height: 1.8;
}

.full-width {
  grid-column: 1 / -1;
}

/* 新闻列表 */
.news-list-item {
  display: block;
  margin-bottom: 24px;
}

.news-list-item .card {
  padding: 24px;
}

.news-list-item h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
  color: #1a1a1a;
  transition: color 0.3s ease;
}

.news-list-item:hover h3 {
  color: rgba(20, 117, 207, 1);
}

.news-list-item p {
  color: #666;
  line-height: 1.8;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-list-item .news-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #666;
  font-size: 14px;
}

.news-meta svg {
  width: 16px;
  height: 16px;
}

/* 新闻详情 */
.news-detail-content {
  background-color: #fff;
  padding: 48px;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.news-detail-title {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 24px;
  color: #1a1a1a;
  line-height: 1.4;
}

.news-detail-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid #e5e7eb;
  color: #666;
  font-size: 14px;
}

.news-detail-meta svg {
  width: 16px;
  height: 16px;
}

.news-detail-body {
  color: #374151;
  line-height: 1.8;
}

.news-detail-body p {
  margin-bottom: 20px;
}

.news-detail-body h2 {
  font-size: 24px;
  font-weight: 700;
  margin: 32px 0 16px;
  color: #1a1a1a;
}

.news-nav {
  display: flex;
  justify-content: space-between;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid #e5e7eb;
}

.news-nav-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  color: #666;
  border: 2px solid #e5e7eb;
  border-radius: 4px;
  font-size: 14px;
  transition: all 0.3s ease;
}

.news-nav-btn:hover {
  color: rgba(20, 117, 207, 1);
  border-color: rgba(20, 117, 207, 1);
}

.news-nav-btn svg {
  width: 16px;
  height: 16px;
}

/* 案例卡片 */
.case-card {
  display: block;
}

.case-card .card {
  height: 100%;
}

.case-image {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background-color: #f3f4f6;
}

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

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

.case-info {
  padding: 24px;
}

.case-info h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
  color: #1a1a1a;
  transition: color 0.3s ease;
}

.case-card:hover .case-info h3 {
  color: rgba(20, 117, 207, 1);
}

.case-info p {
  font-size: 14px;
  color: #666;
  line-height: 1.6;
}

/* 联系信息卡片 */
.contact-info-card {
  text-align: center;
  padding: 40px 24px;
}

.contact-info-card h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 16px;
  color: #1a1a1a;
}

.contact-detail {
  font-size: 16px;
  color: #666;
  line-height: 1.6;
}

.contact-form-section {
  margin-top: 48px;
}

.contact-form-section h2 {
  text-align: center;
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 8px;
  color: #1a1a1a;
}

.form-description {
  text-align: center;
  color: #666;
  margin-bottom: 32px;
}

.contact-form-large {
  background-color: #fff;
  padding: 40px;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.map-section {
  margin-top: 64px;
}

.map-section h2 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 32px;
  color: #1a1a1a;
}

.map-container {
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

/* 关于我们页面 */
.about-grid {
  align-items: center;
}

.about-image {
  width: 100%;
  border-radius: 8px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.about-content {
  padding-left: 32px;
}

.about-text {
  font-size: 16px;
  color: #666;
  line-height: 1.8;
  margin-bottom: 20px;
}

.brand-card {
  padding: 32px;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
}

.brand-card img {
  max-width: 200px;
  height: auto;
}

/* 产品列表页 */
.page-header-section {
  padding: 40px 0;
  background-color: #f8f9fa;
}

.products-list-title {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
  color: #1a1a1a;
}

.title-underline {
  height: 4px;
  width: 80px;
  background-color: rgba(20, 117, 207, 1);
  border-radius: 2px;
  margin-bottom: 32px;
}

.mb-large {
  margin-bottom: 32px;
}

/* 响应式设计 */
@media (max-width: 1024px) {
  .grid-4 {
    grid-template-columns: repeat(3, 1fr);
  }

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

  .product-image-slider {
    position: static;
  }
}

@media (max-width: 768px) {
  .header-content {
    flex-direction: column;
    gap: 16px;
  }

  .nav-menu {
    flex-wrap: wrap;
  }

  .hero-slider {
    height: 400px;
  }

  .slide-content h1 {
    font-size: 32px;
  }

  .slide-content p {
    font-size: 16px;
  }

  .section {
    padding: 48px 0;
  }

  .section-title h1,
  .section-title h2 {
    font-size: 28px;
  }

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

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

  .about-content {
    padding-left: 0;
    padding-top: 32px;
  }

  .news-card-content {
    flex-direction: column;
  }

  .news-image,
  .news-text {
    width: 100%;
  }

  .news-image {
    aspect-ratio: 16 / 9;
  }
}

@media (max-width: 480px) {
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

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

  .contact-form-large {
    padding: 24px;
  }

  .news-detail-content {
    padding: 24px;
  }

  .news-detail-title {
    font-size: 24px;
  }

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