/* 全局样式 - 极简主义服装展示网站 */
:root {
  --primary-color: #1a1a1a;
  --secondary-color: #f5f5f5;
  --accent-color: #d4d4d4;
  --text-color: #333;
  --light-text: #666;
  --background: #fafafa;
  --card-background: #ffffff;
  --border-color: #e5e5e5;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --border-radius: 4px;
  --transition: all 0.3s ease;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--background);
  overflow-x: hidden;
}

/* 导航栏样式 */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  border-bottom: 1px solid var(--border-color);
}

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

.navbar-brand {
  font-size: 1.2rem;
  font-weight: 300;
  letter-spacing: 2px;
  color: var(--primary-color);
  text-decoration: none;
}

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

.navbar-menu a {
  color: var(--text-color);
  text-decoration: none;
  font-weight: 300;
  font-size: 0.95rem;
  letter-spacing: 1px;
  transition: var(--transition);
  position: relative;
}

.navbar-menu a:hover {
  color: var(--primary-color);
}

.navbar-menu a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--primary-color);
  transition: width 0.3s ease;
}

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

/* 主要内容区域 */
.main-content {
  margin-top: 80px;
  min-height: calc(100vh - 160px);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

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

.hero-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) 0%, rgba(0,0,0,0.3) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-text {
  text-align: center;
  color: white;
  z-index: 2;
}

.hero-title {
  font-size: 3rem;
  font-weight: 200;
  letter-spacing: 4px;
  margin-bottom: var(--spacing-md);
  text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

/* 精选系列 */
.featured-section {
  padding: var(--spacing-xl) 0;
}

.section-title {
  text-align: center;
  font-size: 2rem;
  font-weight: 200;
  letter-spacing: 2px;
  margin-bottom: var(--spacing-xl);
  color: var(--primary-color);
}

.featured-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

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

.featured-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

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

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

/* 瀑布流布局 */
.waterfall {
  column-count: 3;
  column-gap: var(--spacing-md);
}

.waterfall-item {
  break-inside: avoid;
  margin-bottom: var(--spacing-md);
  position: relative;
  overflow: hidden;
  border-radius: var(--border-radius);
  cursor: pointer;
}

.waterfall-item img {
  width: 100%;
  height: auto;
  display: block;
  transition: var(--transition);
}

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

.waterfall-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, transparent 100%);
  color: white;
  padding: var(--spacing-md);
  font-size: 0.9rem;
  letter-spacing: 1px;
  opacity: 0;
  transition: var(--transition);
}

.waterfall-item:hover .waterfall-caption {
  opacity: 1;
}

/* 网格布局 */
.catalog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--spacing-md);
}

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

.catalog-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0,0,0,0.08);
}

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

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

/* 故事页面布局 */
.story-container {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--spacing-xl) 0;
}

.story-item {
  display: flex;
  align-items: center;
  margin-bottom: var(--spacing-xl);
  gap: var(--spacing-lg);
}

.story-item:nth-child(even) {
  flex-direction: row-reverse;
}

.story-image {
  flex: 1;
  border-radius: var(--border-radius);
  overflow: hidden;
}

.story-image img {
  width: 100%;
  height: auto;
  display: block;
}

.story-content {
  flex: 1;
  padding: var(--spacing-md);
}

.story-content h3 {
  font-size: 1.3rem;
  font-weight: 300;
  letter-spacing: 1px;
  margin-bottom: var(--spacing-sm);
  color: var(--primary-color);
}

.story-content p {
  color: var(--light-text);
  line-height: 1.8;
  font-size: 0.95rem;
  letter-spacing: 0.5px;
}

/* 灯箱效果 */
.lightbox {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.95);
  z-index: 2000;
  cursor: pointer;
}

.lightbox-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  max-width: 90%;
  max-height: 90%;
}

.lightbox-content img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--border-radius);
}

.lightbox-close {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  color: white;
  font-size: 2rem;
  cursor: pointer;
  z-index: 2001;
  transition: var(--transition);
}

.lightbox-close:hover {
  transform: scale(1.1);
}

/* 页脚 */
footer {
  background: var(--primary-color);
  color: white;
  text-align: center;
  padding: var(--spacing-md) 0;
  font-size: 0.9rem;
  letter-spacing: 1px;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .navbar-menu {
    gap: var(--spacing-sm);
  }
  
  .navbar-menu a {
    font-size: 0.85rem;
  }
  
  .hero-title {
    font-size: 2rem;
    letter-spacing: 2px;
  }
  
  .waterfall {
    column-count: 2;
  }
  
  .story-item,
  .story-item:nth-child(even) {
    flex-direction: column;
  }
  
  .section-title {
    font-size: 1.5rem;
  }
}

@media (max-width: 480px) {
  .waterfall {
    column-count: 1;
  }
  
  .hero-title {
    font-size: 1.5rem;
  }
  
  .featured-grid {
    grid-template-columns: 1fr;
  }
  
  .catalog-grid {
    grid-template-columns: 1fr;
  }
}

/* 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;
}

/* 滚动行为 */
html {
  scroll-behavior: smooth;
}

/* 图片加载优化 */
img {
  loading: lazy;
}