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

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "微软雅黑", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* 平滑滚动 */
html {
  scroll-behavior: smooth;
}

/* 图片加载优化 */
img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* 轮播图容器 */
.carousel-container {
  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;
  z-index: 1;
}

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

/* 图片悬停效果 */
.hover-scale {
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
}

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

.hover-scale img {
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.hover-scale:hover img {
  transform: scale(1.08);
}

/* 导航栏透明背景 */
.nav-transparent {
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.5) 0%, rgba(0, 0, 0, 0) 100%);
  backdrop-filter: blur(8px);
}

/* 文字阴影增强可读性 */
.text-shadow {
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

/* Logo样式 */
.logo-circle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  color: white;
  font-size: 18px;
  letter-spacing: 1px;
}

/* 系列卡片效果 */
.series-card {
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
}

.series-card:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
  transform: translateY(-4px);
}

.series-card img {
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* 内容叠加层 */
.overlay-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.7) 100%);
  padding: 2rem;
  color: white;
  transition: all 0.3s ease;
}

/* 懒加载模糊效果 */
.lazy-load {
  filter: blur(10px);
  transition: filter 0.3s ease;
}

.lazy-load.loaded {
  filter: blur(0);
}

/* 网格布局优化 */
.grid-masonry {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

/* 分隔线 */
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, #e5e7eb 50%, transparent 100%);
  margin: 3rem 0;
}

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

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

/* 标语区域 */
.slogan-text {
  font-size: clamp(2rem, 5vw, 4rem);
  font-weight: 300;
  letter-spacing: 0.05em;
  line-height: 1.3;
}

/* 响应式优化 */
@media (max-width: 768px) {
  .carousel-container {
    height: 60vh;
  }
  
  .slogan-text {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
  }
  
  .overlay-content {
    padding: 1rem;
  }
  
  .grid-masonry {
    grid-template-columns: 1fr;
  }
}

/* 防止布局偏移 */
.aspect-ratio-box {
  position: relative;
  width: 100%;
  padding-bottom: 133.33%;
}

.aspect-ratio-box img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 页脚样式 */
footer {
  border-top: 1px solid #e5e7eb;
  margin-top: auto;
}