/* 全局样式 - 极简时尚男装展示网站 */
:root {
  --primary-color: #1a1a1a;
  --secondary-color: #f5f5f5;
  --accent-color: #2c3e50;
  --text-color: #333;
  --light-gray: #999;
  --border-color: #e0e0e0;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  color: var(--text-color);
  line-height: 1.6;
  background: var(--secondary-color);
}

/* 导航栏样式 */
nav {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.1);
}

nav ul {
  display: flex;
  justify-content: center;
  align-items: center;
  list-style: none;
  padding: 1rem 0;
  gap: 3rem;
}

nav a {
  text-decoration: none;
  color: var(--text-color);
  font-weight: 300;
  letter-spacing: 0.05em;
  transition: all 0.3s ease;
  position: relative;
}

nav a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent-color);
  transition: width 0.3s ease;
}

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

/* 主内容区域 */
main {
  margin-top: 60px;
  min-height: calc(100vh - 120px);
}

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

.slide {
  position: absolute;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 1s ease-in-out;
}

.slide.active {
  opacity: 1;
}

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

.hero-overlay {
  position: absolute;
  bottom: 10%;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  color: white;
  z-index: 10;
}

.hero-overlay p {
  font-size: 1.5rem;
  font-weight: 200;
  letter-spacing: 0.1em;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

/* 网格布局 */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  padding: 2rem;
  max-width: 1400px;
  margin: 0 auto;
}

/* 卡片样式 */
.card {
  background: white;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  cursor: pointer;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.card-image {
  width: 100%;
  height: 400px;
  object-fit: cover;
  transition: transform 0.3s ease;
}

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

.card-content {
  padding: 1.5rem;
}

.card-title {
  font-size: 1.2rem;
  font-weight: 300;
  margin-bottom: 0.5rem;
  letter-spacing: 0.05em;
}

.card-tag {
  display: inline-block;
  background: var(--accent-color);
  color: white;
  padding: 0.25rem 0.75rem;
  font-size: 0.85rem;
  margin-top: 0.5rem;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.3s ease;
}

.card:hover .card-tag {
  opacity: 1;
  transform: translateY(0);
}

/* 分类标题 */
.category-title {
  text-align: center;
  font-size: 2rem;
  font-weight: 200;
  letter-spacing: 0.1em;
  margin: 3rem 0 2rem;
  color: var(--primary-color);
}

/* 瀑布流布局 */
.masonry {
  column-count: 3;
  column-gap: 2rem;
  padding: 2rem;
}

.masonry-item {
  break-inside: avoid;
  margin-bottom: 2rem;
}

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

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

/* 文章卡片 */
.article-card {
  background: white;
  margin-bottom: 2rem;
  overflow: hidden;
  transition: all 0.3s ease;
}

.article-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

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

.article-content {
  padding: 2rem;
}

.article-title {
  font-size: 1.5rem;
  font-weight: 300;
  margin-bottom: 1rem;
  letter-spacing: 0.05em;
}

.article-excerpt {
  color: var(--light-gray);
  line-height: 1.8;
  font-weight: 300;
}

/* 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: 2000;
  justify-content: center;
  align-items: center;
}

.modal.active {
  display: flex;
}

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

.modal-content img {
  width: 100%;
  height: auto;
  display: block;
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 40px;
  color: white;
  font-size: 2rem;
  cursor: pointer;
  transition: opacity 0.3s ease;
}

.modal-close:hover {
  opacity: 0.7;
}

/* 页脚 */
footer {
  background: var(--primary-color);
  color: white;
  text-align: center;
  padding: 2rem 0;
  margin-top: 4rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
  nav ul {
    gap: 1.5rem;
    font-size: 0.9rem;
  }
  
  .grid {
    grid-template-columns: 1fr;
    padding: 1rem;
    gap: 1rem;
  }
  
  .masonry {
    column-count: 1;
    padding: 1rem;
  }
  
  .hero-overlay p {
    font-size: 1.2rem;
  }
  
  .category-title {
    font-size: 1.5rem;
    margin: 2rem 0 1rem;
  }
  
  .card-content {
    padding: 1rem;
  }
  
  .article-content {
    padding: 1.5rem;
  }
}

@media (max-width: 480px) {
  nav ul {
    gap: 1rem;
    font-size: 0.8rem;
  }
  
  .hero-slider {
    height: 70vh;
  }
  
  main {
    margin-top: 50px;
  }
}

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

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

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

.lazy.loaded {
  opacity: 1;
}