/* 导航栏样式 */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  border-bottom: 1px solid #f0f0f0;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 60px;
}

.nav-menu {
  display: flex;
  gap: 40px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-link {
  text-decoration: none;
  color: #333;
  font-size: 14px;
  letter-spacing: 2px;
  transition: color 0.3s ease;
  font-weight: 300;
}

.nav-link:hover,
.nav-link.active {
  color: #666;
}

/* 页脚样式 */
.footer {
  text-align: center;
  padding: 40px 20px;
  color: #999;
  font-size: 12px;
  letter-spacing: 1px;
}

/* 图片悬停效果 */
.img-hover {
  overflow: hidden;
  transition: transform 0.3s ease;
}

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

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

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

/* 轮播图样式 */
.carousel {
  position: relative;
  width: 100%;
  height: 100vh;
  overflow: hidden;
}

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

.carousel-slide.active {
  opacity: 1;
}

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

/* 瀑布流布局 */
.waterfall {
  column-count: 3;
  column-gap: 20px;
  padding: 100px 20px 60px;
}

.waterfall-item {
  break-inside: avoid;
  margin-bottom: 20px;
}

/* 卡片布局 */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  padding: 100px 20px 60px;
  max-width: 1200px;
  margin: 0 auto;
}

.card {
  background: #fff;
  overflow: hidden;
  border-radius: 8px;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
  transition: box-shadow 0.3s ease;
}

.card:hover {
  box-shadow: 0 5px 30px rgba(0, 0, 0, 0.12);
}

.card-image {
  width: 100%;
  height: 400px;
}

.card-content {
  padding: 30px;
}

.card-title {
  font-size: 18px;
  margin-bottom: 10px;
  color: #333;
  font-weight: 300;
  letter-spacing: 1px;
}

.card-text {
  font-size: 14px;
  color: #666;
  line-height: 1.8;
  font-weight: 300;
}

/* 网格布局 */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
  padding: 100px 20px 60px;
  max-width: 1200px;
  margin: 0 auto;
}

.grid-item {
  aspect-ratio: 1;
  overflow: hidden;
  border-radius: 8px;
}

/* 主内容区域 */
.main-content {
  padding-top: 60px;
  min-height: calc(100vh - 100px);
}

/* 响应式设计 */
@media (max-width: 768px) {
  .nav-menu {
    gap: 20px;
  }
  
  .nav-link {
    font-size: 12px;
  }
  
  .waterfall {
    column-count: 2;
  }
  
  .cards {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .waterfall {
    column-count: 1;
  }
  
  .grid {
    grid-template-columns: 1fr;
  }
  
  .nav-menu {
    gap: 15px;
  }
}

/* 文字样式 */
.title {
  font-size: 32px;
  font-weight: 200;
  letter-spacing: 3px;
  color: #333;
  text-align: center;
  margin-bottom: 50px;
}

.subtitle {
  font-size: 16px;
  font-weight: 300;
  color: #666;
  text-align: center;
  margin-bottom: 60px;
  line-height: 1.8;
}

/* 精选图片网格 */
.featured-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  padding: 0 20px 60px;
  max-width: 1200px;
  margin: 0 auto;
}

.featured-item {
  aspect-ratio: 3/4;
  overflow: hidden;
}

/* 加载动画 */
.fade-in {
  animation: fadeIn 1s ease-in;
}

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