/* Tailwind CSS CDN */
@import url('https://cdn.tailwindcss.com');

/* 全局自定义样式 */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;700&display=swap');

/* 设计令牌 */
:root {
  --color-primary: #ffffff;
  --color-secondary: #f5f5f5;
  --color-accent: #1a1a1a;
  --color-text: #333333;
  --color-text-light: #666666;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --spacing-xl: 4rem;
  --border-radius: 0.375rem;
  --transition: all 0.3s ease;
}

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

body {
  font-family: 'Noto Sans SC', sans-serif;
  background-color: var(--color-primary);
  color: var(--color-text);
  line-height: 1.6;
}

/* 导航栏样式 */
.navbar {
  background-color: var(--color-primary);
  border-bottom: 1px solid #e5e5e5;
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  transition: var(--transition);
}

.navbar-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.navbar-brand {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-accent);
  text-decoration: none;
  transition: var(--transition);
}

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

.navbar-link {
  color: var(--color-text);
  text-decoration: none;
  font-weight: 500;
  position: relative;
  transition: var(--transition);
}

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

.navbar-link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: width 0.3s ease;
}

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

/* 英雄区域样式 */
.hero {
  height: 100vh;
  position: relative;
  overflow: hidden;
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  top: 0;
  left: 0;
  z-index: -1;
}

.hero-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  color: white;
  z-index: 1;
}

.hero-title {
  font-size: 4rem;
  font-weight: 300;
  margin-bottom: var(--spacing-md);
  letter-spacing: 0.1em;
  opacity: 0.9;
}

.hero-btn {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-lg);
  border: 1px solid white;
  color: white;
  text-decoration: none;
  transition: var(--transition);
}

.hero-btn:hover {
  background-color: white;
  color: var(--color-accent);
}

/* 风格辑录区域样式 */
.collection {
  padding: var(--spacing-xl) 0;
}

.collection-title {
  text-align: center;
  font-size: 2.5rem;
  font-weight: 300;
  margin-bottom: var(--spacing-xl);
  color: var(--color-accent);
}

.collection-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.collection-card {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  border-radius: var(--border-radius);
  transition: var(--transition);
}

.collection-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.collection-card img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  transition: var(--transition);
}

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

.collection-card-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
  color: white;
  padding: var(--spacing-lg);
}

.collection-card-title {
  font-size: 1.5rem;
  font-weight: 500;
  margin-bottom: var(--spacing-xs);
}

/* 页面标题样式 */
.page-header {
  padding: var(--spacing-xl) 0;
  text-align: center;
  background-color: var(--color-secondary);
}

.page-title {
  font-size: 3rem;
  font-weight: 300;
  color: var(--color-accent);
  margin-bottom: var(--spacing-sm);
}

.page-subtitle {
  font-size: 1.1rem;
  color: var(--color-text-light);
  max-width: 600px;
  margin: 0 auto;
}

/* 瀑布流布局 */
.masonry-grid {
  columns: 3 320px;
  column-gap: var(--spacing-md);
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-lg) var(--spacing-md);
}

.masonry-item {
  break-inside: avoid;
  margin-bottom: var(--spacing-md);
  border-radius: var(--border-radius);
  overflow: hidden;
  transition: var(--transition);
}

.masonry-item:hover {
  transform: scale(1.02);
}

.masonry-item img {
  width: 100%;
  display: block;
}

/* 网格布局 */
.grid-layout {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-md);
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-lg) var(--spacing-md);
}

.grid-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition);
}

.grid-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.grid-item img {
  width: 100%;
  height: 350px;
  object-fit: cover;
  transition: var(--transition);
}

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

/* 轮播图样式 */
.carousel-container {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-lg) var(--spacing-md);
}

.carousel-main {
  width: 100%;
  height: 80vh;
  margin-bottom: var(--spacing-md);
  border-radius: var(--border-radius);
  overflow: hidden;
}

.carousel-main img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.carousel-thumbnails {
  display: flex;
  gap: var(--spacing-sm);
  overflow-x: auto;
  padding-bottom: var(--spacing-xs);
}

.carousel-thumbnail {
  flex: 0 0 150px;
  height: 100px;
  border-radius: var(--border-radius);
  overflow: hidden;
  cursor: pointer;
  opacity: 0.6;
  transition: var(--transition);
}

.carousel-thumbnail:hover,
.carousel-thumbnail.active {
  opacity: 1;
  border: 2px solid var(--color-accent);
}

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

/* 页脚样式 */
.footer {
  background-color: var(--color-accent);
  color: white;
  text-align: center;
  padding: var(--spacing-md);
  font-size: 0.9rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .navbar-container {
    padding: 0 var(--spacing-sm);
  }
  
  .navbar-nav {
    gap: var(--spacing-md);
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .collection-grid {
    grid-template-columns: 1fr;
  }
  
  .masonry-grid {
    columns: 2;
  }
  
  .page-title {
    font-size: 2rem;
  }
  
  .carousel-main {
    height: 50vh;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }
  
  .masonry-grid {
    columns: 1;
  }
  
  .navbar-nav {
    gap: var(--spacing-sm);
  }
}

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

/* 加载动画 */
.fade-in {
  animation: fadeIn 0.8s ease-in;
}

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

/* 无障碍支持 */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}