/* 全局样式 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

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

/* 导航栏样式 */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.nav-logo h2 {
  color: #d4af37;
  font-size: 24px;
  font-weight: bold;
  background: linear-gradient(45deg, #d4af37, #ffd700);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

.nav-link {
  text-decoration: none;
  color: #333;
  font-weight: 500;
  transition: color 0.3s ease;
  position: relative;
}

.nav-link:hover {
  color: #d4af37;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(45deg, #d4af37, #ffd700);
  transition: width 0.3s ease;
}

.nav-link:hover::after {
  width: 100%;
}

.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
}

.bar {
  width: 25px;
  height: 3px;
  background: #333;
  margin: 3px 0;
  transition: 0.3s;
}

/* 首页轮播图样式 */
.hero {
  height: 100vh;
  position: relative;
  overflow: hidden;
}

.hero-slider {
  height: 100%;
  position: relative;
}

.slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 1s ease-in-out;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.slide.active {
  opacity: 1;
}

.slide-content {
  flex: 1;
  padding: 0 50px;
  z-index: 2;
}

.slide-content h1 {
  font-size: 3.5rem;
  font-weight: bold;
  color: #2c3e50;
  margin-bottom: 20px;
  line-height: 1.2;
}

.slide-content p {
  font-size: 1.3rem;
  color: #666;
  margin-bottom: 30px;
  max-width: 500px;
}

.btn-primary {
  display: inline-block;
  padding: 15px 30px;
  background: linear-gradient(45deg, #d4af37, #ffd700);
  color: white;
  text-decoration: none;
  border-radius: 50px;
  font-weight: bold;
  transition: all 0.3s ease;
  box-shadow: 0 5px 15px rgba(212, 175, 55, 0.3);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(212, 175, 55, 0.4);
}

.slide-image {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 50px;
}

.slide-image img {
  max-width: 100%;
  max-height: 80vh;
  object-fit: cover;
  border-radius: 20px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
  min-height: 400px;
}

.slider-controls {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 100%;
  display: flex;
  justify-content: space-between;
  padding: 0 30px;
  z-index: 3;
}

.prev-btn,
.next-btn {
  background: rgba(255, 255, 255, 0.8);
  border: none;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: #d4af37;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
}

.prev-btn:hover,
.next-btn:hover {
  background: #d4af37;
  color: white;
  transform: scale(1.1);
}

.slider-dots {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 3;
}

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

.dot.active {
  background: #d4af37;
  transform: scale(1.2);
}

/* 产品展示样式 */
.products {
  padding: 100px 0;
  background: #f8f9fa;
}

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

.section-header h2 {
  font-size: 2.5rem;
  color: #2c3e50;
  margin-bottom: 15px;
  position: relative;
}

.section-header h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: linear-gradient(45deg, #d4af37, #ffd700);
}

.section-header p {
  font-size: 1.1rem;
  color: #666;
  max-width: 600px;
  margin: 0 auto;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.product-card {
  background: white;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.product-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.product-image {
  position: relative;
  overflow: hidden;
  height: 300px;
}

.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-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(212, 175, 55, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

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

.btn-view {
  background: white;
  color: #d4af37;
  border: none;
  padding: 12px 25px;
  border-radius: 25px;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-view:hover {
  background: #d4af37;
  color: white;
  transform: scale(1.05);
}

.product-info {
  padding: 25px;
}

.product-info h3 {
  font-size: 1.3rem;
  color: #2c3e50;
  margin-bottom: 10px;
}

.product-info p {
  color: #666;
  margin-bottom: 15px;
  line-height: 1.6;
}

.product-tags {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.tag {
  background: linear-gradient(45deg, #d4af37, #ffd700);
  color: white;
  padding: 5px 12px;
  border-radius: 15px;
  font-size: 0.8rem;
  font-weight: bold;
}

/* 关于我们样式 */
.about {
  padding: 100px 0;
  background: white;
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-bottom: 80px;
}

.about-item {
  margin-bottom: 40px;
}

.about-item h3 {
  font-size: 1.4rem;
  color: #2c3e50;
  margin-bottom: 15px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.about-item h3 i {
  color: #d4af37;
  font-size: 1.2rem;
}

.about-item p {
  color: #666;
  line-height: 1.8;
}

.about-image img {
  width: 100%;
  border-radius: 15px;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.company-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 40px;
  text-align: center;
}

.stat-item {
  padding: 30px;
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
  border-radius: 15px;
  transition: transform 0.3s ease;
}

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

.stat-number {
  font-size: 3rem;
  font-weight: bold;
  color: #d4af37;
  margin-bottom: 10px;
}

.stat-label {
  font-size: 1.1rem;
  color: #666;
  font-weight: 500;
}

/* 联系我们样式 */
.contact {
  padding: 100px 0;
  background: #f8f9fa;
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  margin-top: 50px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 30px;
}

.contact-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(45deg, #d4af37, #ffd700);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.contact-details h3 {
  color: #2c3e50;
  margin-bottom: 8px;
  font-size: 1.2rem;
}

.contact-details p {
  color: #666;
  line-height: 1.6;
}

.contact-form {
  background: white;
  padding: 40px;
  border-radius: 15px;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.form-group {
  margin-bottom: 25px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 15px;
  border: 2px solid #e9ecef;
  border-radius: 10px;
  font-size: 1rem;
  transition: border-color 0.3s ease;
  font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: #d4af37;
}

.btn-submit {
  width: 100%;
  padding: 15px;
  background: linear-gradient(45deg, #d4af37, #ffd700);
  color: white;
  border: none;
  border-radius: 10px;
  font-size: 1.1rem;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(212, 175, 55, 0.3);
}

/* 页脚样式 */
.footer {
  background: #2c3e50;
  color: white;
  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,
.footer-section h4 {
  margin-bottom: 20px;
  color: #d4af37;
}

.footer-section p {
  color: #bdc3c7;
  line-height: 1.6;
  margin-bottom: 15px;
}

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

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

.footer-section ul li a {
  color: #bdc3c7;
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-section ul li a:hover {
  color: #d4af37;
}

.social-links {
  display: flex;
  gap: 15px;
  margin-top: 20px;
}

.social-links a {
  width: 40px;
  height: 40px;
  background: #d4af37;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  text-decoration: none;
  transition: all 0.3s ease;
}

.social-links a:hover {
  background: #ffd700;
  transform: translateY(-3px);
}

.footer-bottom {
  border-top: 1px solid #34495e;
  padding-top: 20px;
  text-align: center;
  color: #bdc3c7;
}

.footer-bottom p {
  margin-bottom: 5px;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background-color: white;
    width: 100%;
    text-align: center;
    transition: 0.3s;
    box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
    padding: 20px 0;
  }

  .nav-menu.active {
    left: 0;
  }

  .nav-menu li {
    margin: 15px 0;
  }

  .slide-content {
    padding: 0 20px;
    text-align: center;
  }

  .slide-content h1 {
    font-size: 2.5rem;
  }

  .slide-content p {
    font-size: 1.1rem;
  }

  .slide-image {
    display: none;
  }

  .about-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .contact-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

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

  .slider-controls {
    padding: 0 15px;
  }

  .prev-btn,
  .next-btn {
    width: 40px;
    height: 40px;
    font-size: 14px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 15px;
  }

  .nav-container {
    padding: 0 15px;
  }

  .slide-content h1 {
    font-size: 2rem;
  }

  .section-header h2 {
    font-size: 2rem;
  }

  .company-stats {
    grid-template-columns: 1fr;
  }

  .contact-form {
    padding: 25px;
  }

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

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

.fade-in-up {
  animation: fadeInUp 0.8s ease-out;
}

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

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

::-webkit-scrollbar-thumb {
  background: linear-gradient(45deg, #d4af37, #ffd700);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #d4af37;
}