@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500&display=swap');

/* 设计令牌 */
:root {
  --color-primary: #ffffff;
  --color-secondary: #f5f5f0;
  --color-accent: #d4a574;
  --color-text-primary: #2c2c2c;
  --color-text-secondary: #666666;
  --font-family: 'Noto Sans SC', sans-serif;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --border-radius: 0.5rem;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 全局重置 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

/* 极简链接样式 */
a {
  color: var(--color-text-primary);
  text-decoration: none;
  position: relative;
  transition: var(--transition);
}

a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 1px;
  bottom: -2px;
  left: 0;
  background-color: var(--color-accent);
  transition: width 0.3s ease;
}

a:hover::after {
  width: 100%;
}

/* 页面过渡动画 */
.page {
  opacity: 0;
  animation: fadeIn 0.8s ease-out forwards;
}

@keyframes fadeIn {
  to {
    opacity: 1;
  }
}

/* 英雄区样式 */
.hero {
  height: 100vh;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

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

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(0,0,0,0.1) 0%, rgba(0,0,0,0.3) 100%);
  z-index: -1;
}

.hero-content {
  text-align: center;
  color: white;
  z-index: 1;
}

.hero-slogan {
  font-size: 1.5rem;
  font-weight: 300;
  letter-spacing: 0.2em;
  margin-bottom: var(--spacing-lg);
}

/* 圆形导航入口 */
.circle-nav {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  flex-wrap: wrap;
}

.circle-nav-item {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  overflow: hidden;
  position: relative;
  cursor: pointer;
  transition: transform 0.3s ease;
}

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

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

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

/* 瀑布流布局 */
.masonry {
  columns: 3;
  column-gap: 1rem;
  padding: var(--spacing-md);
}

.masonry-item {
  break-inside: avoid;
  margin-bottom: 1rem;
  position: relative;
  overflow: hidden;
  border-radius: var(--border-radius);
}

.masonry-item img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.3s ease;
}

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

.masonry-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0,0,0,0.7));
  color: white;
  padding: 1rem;
  transform: translateY(100%);
  transition: transform 0.3s ease;
}

.masonry-item:hover .masonry-caption {
  transform: translateY(0);
}

/* 文章卡片 */
.article-card {
  background: var(--color-secondary);
  border-radius: var(--border-radius);
  overflow: hidden;
  transition: transform 0.3s ease;
  margin-bottom: var(--spacing-md);
}

.article-card:hover {
  transform: translateY(-5px);
}

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

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

.article-title {
  font-size: 1.5rem;
  font-weight: 500;
  margin-bottom: var(--spacing-sm);
}

.article-excerpt {
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: var(--spacing-sm);
}

.read-more {
  color: var(--color-accent);
  font-weight: 500;
}

/* 单品网格 */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: var(--spacing-md);
  padding: var(--spacing-md);
}

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

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

.product-item img {
  width: 100%;
  height: 300px;
  object-fit: cover;
}

/* 全屏画廊 */
.gallery {
  position: relative;
  height: 100vh;
  overflow: hidden;
}

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

gallery-slide.active {
  opacity: 1;
}

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

/* 主题筛选器 */
.theme-filter {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  flex-wrap: wrap;
}

.theme-btn {
  padding: var(--spacing-xs) var(--spacing-sm);
  background: transparent;
  border: 1px solid var(--color-text-secondary);
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-family);
}

.theme-btn:hover,
.theme-btn.active {
  background: var(--color-accent);
  color: white;
  border-color: var(--color-accent);
}

/* 分类导航 */
.category-nav {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  border-bottom: 1px solid #e0e0e0;
  flex-wrap: wrap;
}

/* 页脚 */
footer {
  text-align: center;
  padding: var(--spacing-md);
  color: var(--color-text-secondary);
  font-size: 0.9rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .masonry {
    columns: 2;
  }
  
  .hero-slogan {
    font-size: 1.2rem;
  }
  
  .circle-nav {
    gap: var(--spacing-sm);
  }
  
  .circle-nav-item {
    width: 120px;
    height: 120px;
  }
}

@media (max-width: 480px) {
  .masonry {
    columns: 1;
  }
  
  .hero-slogan {
    font-size: 1rem;
    padding: 0 var(--spacing-sm);
  }
  
  .circle-nav-item {
    width: 100px;
    height: 100px;
  }
}

/* 懒加载效果 */
.lazy {
  opacity: 0;
  transition: opacity 0.3s;
}

.lazy.loaded {
  opacity: 1;
}

/* 视差滚动效果 */
.parallax {
  transform: translate3d(0, 0, 0);
  will-change: transform;
}

/* 模态框 */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.9);
  z-index: 1000;
}

.modal.active {
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-content {
  max-width: 90%;
  max-height: 90%;
  position: relative;
}

.modal-close {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  color: white;
  font-size: 2rem;
  cursor: pointer;
  z-index: 1001;
}