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

body {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: #333;
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

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

header {
  background: linear-gradient(90deg, #0f172a 0%, #1e293b 100%);
  color: #fff;
  padding: 20px 0;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 24px;
  font-weight: bold;
  color: #00ff9f;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 20px;
}

.nav-links a {
  color: #fff;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}

.nav-links a:hover {
  color: #00ff9f;
}

.cta-buttons {
  display: flex;
  gap: 15px;
}

.btn {
  padding: 10px 20px;
  border: none;
  border-radius: 5px;
  font-weight: bold;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: all 0.3s ease;
  text-align: center;
}

.btn-primary {
  background: linear-gradient(90deg, #00ff9f, #00b377);
  color: #0f172a;
}

.btn-secondary {
  background: transparent;
  color: #00ff9f;
  border: 2px solid #00ff9f;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 255, 159, 0.3);
}

.breadcrumb {
  background: #f8fafc;
  padding: 15px 0;
  border-bottom: 1px solid #e2e8f0;
  font-size: 14px;
}

.breadcrumb a {
  color: #3b82f6;
  text-decoration: none;
}

.breadcrumb span {
  color: #64748b;
  margin: 0 10px;
}

.hero {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  color: #fff;
  padding: 100px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iMTAwJSIgaGVpZ2h0PSIxMDAlIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjxkZWZzPjxwYXR0ZXJuIGlkPSJwYXR0ZXJuIiB4PSIwIiB5PSIwIiB3aWR0aD0iNDAiIGhlaWdodD0iNDAiIHBhdHRlcm5Vbml0cz0idXNlclNwYWNlT25Vc2UiIHBhdHRlcm5UcmFuc2Zvcm09InJvdGF0ZSg0NSkiPjxjaXJjbGUgY3g9IjIwIiBjeT0iMjAiIHI9IjEiIGZpbGw9IiMwMGZmOWYiLz48L3BhdHRlcm4+PC9kZWZzPjxyZWN0IHdpZHRoPSIxMDAlIiBoZWlnaHQ9IjEwMCUiIGZpbGw9InVybCgjcGF0dGVybikiLz48L3N2Zz4=');
  opacity: 0.1;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-size: 48px;
  margin-bottom: 20px;
  color: #00ff9f;
}

.hero p {
  font-size: 18px;
  margin-bottom: 30px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.features {
  padding: 80px 0;
  background: #fff;
}

.section-title {
  text-align: center;
  margin-bottom: 60px;
}

.section-title h2 {
  font-size: 36px;
  color: #0f172a;
  margin-bottom: 10px;
}

.section-title p {
  font-size: 16px;
  color: #64748b;
  max-width: 600px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.feature-card {
  background: #f8fafc;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 4px 6px rgba(0,0,0,0.05);
  transition: all 0.3s ease;
  border-top: 4px solid #00ff9f;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.feature-card h3 {
  font-size: 20px;
  margin-bottom: 15px;
  color: #0f172a;
}

.feature-card p {
  color: #64748b;
  line-height: 1.6;
}

.feature-icon {
  font-size: 40px;
  margin-bottom: 20px;
  color: #00ff9f;
}

.news-section {
  padding: 80px 0;
  background: #f8fafc;
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.news-card {
  background: #fff;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 6px rgba(0,0,0,0.05);
  transition: all 0.3s ease;
}

.news-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.news-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.news-content {
  padding: 20px;
}

.news-date {
  font-size: 14px;
  color: #94a3b8;
  margin-bottom: 10px;
}

.news-card h3 {
  font-size: 18px;
  margin-bottom: 10px;
  color: #0f172a;
}

.news-card p {
  color: #64748b;
  margin-bottom: 15px;
  line-height: 1.6;
}

.news-card a {
  color: #3b82f6;
  text-decoration: none;
  font-weight: 500;
  display: inline-block;
  margin-top: 10px;
}

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

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.product-card {
  background: #f8fafc;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 4px 6px rgba(0,0,0,0.05);
  transition: all 0.3s ease;
  text-align: center;
  border: 1px solid #e2e8f0;
}

.product-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0,0,0,0.1);
  border-color: #00ff9f;
}

.product-icon {
  font-size: 50px;
  margin-bottom: 20px;
  color: #00ff9f;
}

.product-card h3 {
  font-size: 20px;
  margin-bottom: 15px;
  color: #0f172a;
}

.product-card p {
  color: #64748b;
  line-height: 1.6;
  margin-bottom: 20px;
}

.about-section {
  padding: 80px 0;
  background: #f8fafc;
}

.about-content {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  align-items: center;
}

.about-text {
  flex: 1;
  min-width: 300px;
}

.about-text h2 {
  font-size: 32px;
  margin-bottom: 20px;
  color: #0f172a;
}

.about-text p {
  color: #64748b;
  line-height: 1.8;
  margin-bottom: 20px;
}

.about-image {
  flex: 1;
  min-width: 300px;
}

.about-image img {
  width: 100%;
  border-radius: 10px;
  box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.contact-section {
  padding: 80px 0;
  background: #fff;
}

.contact-content {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
}

.contact-info {
  flex: 1;
  min-width: 300px;
}

.contact-info h2 {
  font-size: 32px;
  margin-bottom: 20px;
  color: #0f172a;
}

.contact-item {
  display: flex;
  align-items: center;
  margin-bottom: 20px;
  gap: 15px;
}

.contact-icon {
  font-size: 24px;
  color: #00ff9f;
}

.contact-details h3 {
  font-size: 16px;
  margin-bottom: 5px;
  color: #0f172a;
}

.contact-details p {
  color: #64748b;
}

.contact-form {
  flex: 1;
  min-width: 300px;
  background: #f8fafc;
  padding: 40px;
  border-radius: 10px;
  box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

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

.form-group label {
  display: block;
  margin-bottom: 5px;
  font-weight: 500;
  color: #0f172a;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid #e2e8f0;
  border-radius: 5px;
  font-size: 16px;
  transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: #00ff9f;
  box-shadow: 0 0 0 3px rgba(0, 255, 159, 0.1);
}

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

.footer {
  background: #0f172a;
  color: #fff;
  padding: 60px 0 20px;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}

.footer-section h3 {
  font-size: 18px;
  margin-bottom: 20px;
  color: #00ff9f;
}

.footer-section p,
.footer-section a {
  color: #94a3b8;
  text-decoration: none;
  line-height: 1.6;
}

.footer-section a:hover {
  color: #00ff9f;
}

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

.footer-section ul li {
  margin-bottom: 10px;
}

.footer-bottom {
  border-top: 1px solid #1e293b;
  padding-top: 20px;
  text-align: center;
  color: #94a3b8;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  
  .hero h1 {
    font-size: 36px;
  }
  
  .hero p {
    font-size: 16px;
  }
  
  .cta-buttons {
    flex-direction: column;
    gap: 10px;
  }
  
  .btn {
    width: 100%;
  }
  
  .section-title h2 {
    font-size: 28px;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 28px;
  }
  
  .hero {
    padding: 60px 0;
  }
  
  .features,
  .news-section,
  .products-section,
  .about-section,
  .contact-section {
    padding: 40px 0;
  }
  
  .contact-form {
    padding: 20px;
  }
}

/* 动画效果 */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.feature-card,
.news-card,
.product-card {
  animation: fadeIn 0.6s ease-out;
}

.feature-card:nth-child(2) {
  animation-delay: 0.2s;
}

.feature-card:nth-child(3) {
  animation-delay: 0.4s;
}

.news-card:nth-child(2) {
  animation-delay: 0.2s;
}

.news-card:nth-child(3) {
  animation-delay: 0.4s;
}

/* 加载动画 */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(0, 255, 159, 0.3);
  border-radius: 50%;
  border-top-color: #00ff9f;
  animation: spin 1s ease-in-out infinite;
}

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

/* 滚动条样式 */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
  background: #00ff9f;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #00b377;
}