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

body {
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.6;
  color: #333;
  overflow-x: hidden;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

.header {
  background: #fff;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo {
  height: 50px;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 30px;
}

.nav-link {
  text-decoration: none;
  color: #333;
  font-size: 16px;
  transition: color 0.3s;
}

.nav-link:hover {
  color: #007bff;
}

.layout-full-image {
  width: 100%;
  height: 100vh;
  position: relative;
  overflow: hidden;
  margin-top: 80px;
}

.layout-full-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.layout-full-image:hover img {
  transform: scale(1.05);
}

.layout-split {
  display: flex;
  min-height: 500px;
  margin: 60px 0;
}

.layout-split .image-section,
.layout-split .content-section {
  flex: 1;
  padding: 40px;
}

.layout-split img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.layout-split .content-section {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.layout-data {
  padding: 80px 0;
  background: #f8f9fa;
}

.data-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
}

.data-item {
  text-align: center;
  padding: 30px;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease;
}

.data-item:hover {
  transform: translateY(-5px);
}

.data-number {
  font-size: 2.5rem;
  font-weight: bold;
  color: #007bff;
  margin-bottom: 10px;
}

.data-label {
  color: #666;
  font-size: 1.1rem;
}

.title {
  font-size: 2.2rem;
  margin-bottom: 25px;
  color: #2c3e50;
  font-weight: 600;
}

.description {
  font-size: 1.1rem;
  color: #666;
  margin-bottom: 30px;
  line-height: 1.8;
}

.btn {
  display: inline-block;
  padding: 12px 30px;
  background: #007bff;
  color: #fff;
  text-decoration: none;
  border-radius: 5px;
  transition: background 0.3s;
}

.btn:hover {
  background: #0056b3;
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }

  .layout-split {
    flex-direction: column;
  }

  .layout-split .image-section,
  .layout-split .content-section {
    width: 100%;
    padding: 20px;
  }

  .data-grid {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
    padding: 0 15px;
  }

  .title {
    font-size: 1.8rem;
  }

  .description {
    font-size: 1rem;
  }

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

  .data-label {
    font-size: 0.9rem;
  }
}

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

.animate {
  animation: fadeIn 0.6s ease-out forwards;
}

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

.mb-4 {
  margin-bottom: 2rem;
}

.mt-4 {
  margin-top: 2rem;
}

.products-section {
  padding: 80px 0;
  background-color: #f9f9f9;
}

.section-title {
  text-align: center;
  margin-bottom: 50px;
  font-size: 2.5rem;
  color: #333;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.product-item {
  background: #fff;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.product-image {
  width: 100%;
  height: 300px;
  overflow: hidden;
}

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

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

.product-info {
  padding: 20px;
  text-align: center;
}

.product-info h3 {
  margin: 0 0 10px;
  font-size: 1.5rem;
  color: #333;
}

.product-info p {
  margin: 0;
  color: #666;
  font-size: 1rem;
  line-height: 1.5;
}

@media (max-width: 768px) {
  .products-grid {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 0 15px;
  }

  .product-image {
    height: 250px;
  }

  .section-title {
    font-size: 2rem;
    margin-bottom: 30px;
  }
}

.products-section .animate {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.products-section .animate.active {
  opacity: 1;
  transform: translateY(0);
}

.footer-section {
  background-color: #f8f9fa;
  padding: 30px 0;
  border-top: 1px solid #eee;
}

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

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 40px;
}

.footer-contact {
  flex: 1;
}

.footer-contact h3 {
  font-size: 1.2rem;
  color: #2c3e50;
  margin-bottom: 10px;
  font-weight: 600;
}

.contact-details p {
  color: #666;
  font-size: 0.9rem;
  line-height: 1.6;
  margin: 0;
}

.footer-copyright {
  flex: 1;
  text-align: right;
}

.copyright-text p {
  margin: 5px 0;
  color: #666;
  font-size: 0.9rem;
  line-height: 1.4;
}

@media (max-width: 768px) {
  .footer-content {
    flex-direction: column;
    text-align: center;
    gap: 20px;
  }

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

  .contact-details p {
    margin: 10px 0;
  }

  .footer-section {
    padding: 20px 0;
  }
}

.contact-details p:hover,
.copyright-text p:hover {
  color: #2c3e50;
  transition: color 0.3s ease;
}

.footer-section {
  background: linear-gradient(to bottom, #f8f9fa, #f3f4f5);
}

.logo {
  font-family: "Arial", sans-serif;
  padding: 20px;
  display: inline-block;
  width: 300px;
  height: 110px;
  padding-bottom: 10px;
}

.logo-text {
  font-size: 28px;
  font-weight: bold;
  color: #2c3e50;
  letter-spacing: 2px;
}

.logo-highlight {
  color: #27ae60;
}

.logo-subtext {
  font-size: 12px;
  color: #7f8c8d;
  letter-spacing: 1px;
  margin-top: 5px;
}

.logo-symbol {
  display: inline-block;
  width: 30px;
  height: 30px;
  background: linear-gradient(135deg, #27ae60, #2c3e50);
  border-radius: 50%;
  margin-right: 10px;
  vertical-align: middle;
  position: relative;
}

.logo-symbol::after {
  content: "C";
  position: absolute;
  color: white;
  font-size: 20px;
  font-weight: bold;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}