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

/* 设计令牌 */
:root {
  /* 颜色系统 */
  --color-primary: #1a1a1a;
  --color-secondary: #666666;
  --color-accent: #d4a574;
  --color-background: #fafafa;
  --color-surface: #ffffff;
  --color-text-light: #999999;
  
  /* 间距系统 */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  
  /* 字体系统 */
  --font-family-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 2.25rem;
  --font-size-3xl: 3rem;
  
  /* 动画时长 */
  --transition-fast: 200ms;
  --transition-normal: 300ms;
  --transition-slow: 500ms;
}

/* 基础样式 */
body {
  font-family: var(--font-family-primary);
  background-color: var(--color-background);
  color: var(--color-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* 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;
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.nav-link {
  position: relative;
  color: var(--color-primary);
  text-decoration: none;
  font-size: var(--font-size-sm);
  letter-spacing: 0.05em;
  transition: color var(--transition-fast) ease;
}

.nav-link:hover {
  color: var(--color-accent);
}

.nav-link.active {
  color: var(--color-accent);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 1px;
  background-color: var(--color-accent);
}

/* 轮播图样式 */
.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 var(--transition-slow) ease;
}

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

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

.carousel-caption {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  color: white;
  z-index: 10;
}

.carousel-caption h2 {
  font-size: var(--font-size-3xl);
  font-weight: 200;
  letter-spacing: 0.1em;
  margin-bottom: var(--spacing-sm);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

/* 筛选按钮样式 */
.filter-btn {
  background: none;
  border: none;
  color: var(--color-secondary);
  font-size: var(--font-size-sm);
  letter-spacing: 0.05em;
  cursor: pointer;
  padding: var(--spacing-xs) var(--spacing-sm);
  transition: all var(--transition-fast) ease;
  position: relative;
}

.filter-btn:hover {
  color: var(--color-primary);
}

.filter-btn.active {
  color: var(--color-primary);
}

.filter-btn.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background-color: var(--color-primary);
}

/* 图片网格样式 */
.image-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-md);
  padding: var(--spacing-md) 0;
}

.grid-item {
  position: relative;
  overflow: hidden;
  background: var(--color-surface);
  cursor: pointer;
  aspect-ratio: 3/4;
}

.grid-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal) ease;
}

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

.grid-item-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.05);
  opacity: 0;
  transition: opacity var(--transition-normal) ease;
}

.grid-item:hover .grid-item-overlay {
  opacity: 1;
}

/* 型录页面样式 */
.lookbook-section {
  width: 100%;
  margin: var(--spacing-lg) 0;
}

.lookbook-group {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin-bottom: var(--spacing-lg);
}

.lookbook-image {
  width: 100%;
  height: 70vh;
  object-fit: cover;
}

.lookbook-image-small {
  height: 50vh;
}

/* 故事页面样式 */
.story-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
  margin: var(--spacing-xl) 0;
}

.story-image {
  width: 100%;
  height: 80vh;
  object-fit: cover;
}

.story-content {
  padding: var(--spacing-lg);
}

.story-content h2 {
  font-size: var(--font-size-2xl);
  font-weight: 300;
  margin-bottom: var(--spacing-md);
  letter-spacing: 0.05em;
}

.story-content p {
  font-size: var(--font-size-lg);
  color: var(--color-secondary);
  line-height: 1.8;
  margin-bottom: var(--spacing-md);
}

/* 详情页样式 */
.detail-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  padding: var(--spacing-lg) 0;
}

.detail-images {
  position: sticky;
  top: 100px;
  height: fit-content;
}

.main-image {
  width: 100%;
  height: 70vh;
  object-fit: cover;
  margin-bottom: var(--spacing-sm);
  cursor: zoom-in;
}

.thumbnail-list {
  display: flex;
  gap: var(--spacing-xs);
}

.thumbnail {
  width: 80px;
  height: 100px;
  object-fit: cover;
  cursor: pointer;
  opacity: 0.6;
  transition: opacity var(--transition-fast) ease;
}

.thumbnail:hover,
.thumbnail.active {
  opacity: 1;
}

.detail-info h1 {
  font-size: var(--font-size-2xl);
  font-weight: 300;
  margin-bottom: var(--spacing-md);
  letter-spacing: 0.05em;
}

.detail-info p {
  font-size: var(--font-size-base);
  color: var(--color-secondary);
  line-height: 1.8;
  margin-bottom: var(--spacing-md);
}

.detail-list {
  list-style: none;
  margin-bottom: var(--spacing-lg);
}

.detail-list li {
  padding: var(--spacing-xs) 0;
  font-size: var(--font-size-sm);
  color: var(--color-secondary);
}

.detail-list li::before {
  content: '•';
  color: var(--color-accent);
  margin-right: var(--spacing-xs);
}

/* 页脚样式 */
footer {
  text-align: center;
  padding: var(--spacing-lg) 0;
  color: var(--color-text-light);
  font-size: var(--font-size-xs);
  letter-spacing: 0.1em;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .story-container,
  .detail-container {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
  
  .image-grid {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: var(--spacing-sm);
  }
  
  .carousel-caption h2 {
    font-size: var(--font-size-xl);
  }
  
  .detail-images {
    position: static;
  }
}

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

.fade-in {
  animation: fadeIn var(--transition-slow) ease forwards;
}

/* 自定义滚动条 */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-background);
}

::-webkit-scrollbar-thumb {
  background: var(--color-text-light);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-secondary);
}