/* 全局样式 */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  /* 设计令牌 - 颜色 */
  --color-primary: #f5f5f0;
  --color-secondary: #e8e6e1;
  --color-accent: #d4c5b0;
  --color-text: #2c2c2c;
  --color-text-light: #6b6b6b;
  
  /* 设计令牌 - 间距 */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  
  /* 设计令牌 - 排版 */
  --font-family: 'Inter', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  
  /* 设计令牌 - 圆角 */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  
  /* 设计令牌 - 阴影 */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

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

body {
  font-family: var(--font-family);
  color: var(--color-text);
  background-color: var(--color-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* 导航栏样式 */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(245, 245, 240, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--color-secondary);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-links {
  display: flex;
  gap: var(--spacing-lg);
  list-style: none;
}

.nav-link {
  text-decoration: none;
  color: var(--color-text);
  font-weight: 500;
  font-size: var(--font-size-base);
  transition: color 0.3s ease;
  position: relative;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: width 0.3s ease;
}

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

/* 主内容区域 */
.main-content {
  margin-top: 80px;
  min-height: calc(100vh - 80px);
}

/* 轮播图容器 */
.hero-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 1.5s ease-in-out;
}

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

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

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, rgba(0,0,0,0.1), rgba(0,0,0,0.3));
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-tagline {
  text-align: center;
  color: white;
  font-size: var(--font-size-3xl);
  font-weight: 300;
  letter-spacing: 0.1em;
  text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

/* 网格布局 */
.grid-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--spacing-xl) var(--spacing-md);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.grid-item {
  background-color: var(--color-secondary);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  cursor: pointer;
}

.grid-item:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.grid-item img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

.grid-item-content {
  padding: var(--spacing-md);
}

.grid-item-title {
  font-size: var(--font-size-xl);
  font-weight: 500;
  margin-bottom: var(--spacing-xs);
  color: var(--color-text);
}

.grid-item-description {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  line-height: 1.5;
}

/* 卡片布局 */
.card-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--spacing-xl) var(--spacing-md);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-lg);
}

.inspiration-card {
  background-color: var(--color-secondary);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.3s ease;
}

.inspiration-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.card-image {
  width: 100%;
  height: 300px;
  object-fit: cover;
}

.card-content {
  padding: var(--spacing-md);
}

.card-title {
  font-size: var(--font-size-lg);
  font-weight: 500;
  margin-bottom: var(--spacing-xs);
}

.card-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  line-height: 1.6;
}

/* 详情页布局 */
.detail-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-xl) var(--spacing-md);
}

.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: start;
}

.detail-image {
  width: 100%;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.detail-image img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.detail-content h2 {
  font-size: var(--font-size-2xl);
  font-weight: 300;
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
}

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

/* 工艺细节展示 */
.craft-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.craft-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform 0.3s ease;
}

.craft-item:hover {
  transform: scale(1.03);
}

.craft-item img {
  width: 100%;
  height: 250px;
  object-fit: cover;
}

.craft-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.7), transparent);
  color: white;
  padding: var(--spacing-md);
  font-size: var(--font-size-sm);
}

/* 页脚样式 */
footer {
  background-color: var(--color-secondary);
  padding: var(--spacing-md) 0;
  text-align: center;
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
}

/* 响应式设计 */
@media (max-width: 768px) {
  .nav-links {
    gap: var(--spacing-md);
  }
  
  .nav-link {
    font-size: var(--font-size-sm);
  }
  
  .hero-tagline {
    font-size: var(--font-size-xl);
    padding: 0 var(--spacing-md);
  }
  
  .grid-container {
    grid-template-columns: 1fr;
    padding: var(--spacing-md) var(--spacing-sm);
  }
  
  .card-container {
    grid-template-columns: 1fr;
    padding: var(--spacing-md) var(--spacing-sm);
  }
  
  .detail-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
  
  .craft-grid {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  }
}

@media (max-width: 480px) {
  .nav-container {
    padding: 0 var(--spacing-sm);
  }
  
  .main-content {
    margin-top: 70px;
  }
  
  .hero-tagline {
    font-size: var(--font-size-lg);
  }
}

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

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

/* 加载状态 */
.loading {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 200px;
  color: var(--color-text-light);
}

/* 图片懒加载占位符 */
.image-placeholder {
  background-color: var(--color-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
}

/* 页面过渡效果 */
.page-transition {
  transition: all 0.3s ease;
}

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

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

::-webkit-scrollbar-thumb {
  background: var(--color-accent);
  border-radius: var(--radius-sm);
}

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