/* 全局样式文件 - 现代简约设计，响应式布局，中性色调 */

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

:root {
  --color-primary: #1a1a1a;
  --color-secondary: #f5f5f5;
  --color-accent: #d4c5b9;
  --color-text: #333;
  --color-text-light: #666;
  --color-border: #e0e0e0;
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  --transition: all 0.3s ease;
}

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  border-bottom: 1px solid var(--color-border);
}

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

.logo {
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: 2px;
}

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

.nav-links a {
  font-size: 0.95rem;
  letter-spacing: 1px;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-primary);
  transition: var(--transition);
}

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

.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;
  filter: brightness(0.7);
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: #fff;
  max-width: 800px;
  padding: var(--spacing-md);
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 300;
  letter-spacing: 8px;
  margin-bottom: var(--spacing-sm);
}

.hero-subtitle {
  font-size: clamp(0.9rem, 2vw, 1.2rem);
  font-weight: 300;
  letter-spacing: 3px;
  opacity: 0.9;
}

.section {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--spacing-xl) var(--spacing-md);
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 300;
  letter-spacing: 4px;
  margin-bottom: var(--spacing-sm);
  text-align: center;
}

.section-subtitle {
  font-size: clamp(0.9rem, 1.5vw, 1.1rem);
  color: var(--color-text-light);
  letter-spacing: 2px;
  margin-bottom: var(--spacing-lg);
  text-align: center;
}

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

.featured-item {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 1;
}

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

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

.featured-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: var(--spacing-md);
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
  color: #fff;
  transform: translateY(100%);
  transition: var(--transition);
}

.featured-item:hover .featured-overlay {
  transform: translateY(0);
}

.featured-title {
  font-size: 1.3rem;
  font-weight: 400;
  letter-spacing: 2px;
  margin-bottom: var(--spacing-xs);
}

.featured-desc {
  font-size: 0.9rem;
  opacity: 0.9;
  line-height: 1.5;
}

.quote-section {
  background: var(--color-secondary);
  padding: var(--spacing-xl) var(--spacing-md);
  text-align: center;
}

.quote-text {
  font-size: clamp(1.2rem, 2.5vw, 1.8rem);
  font-weight: 300;
  letter-spacing: 2px;
  max-width: 800px;
  margin: 0 auto;
  font-style: italic;
  color: var(--color-text-light);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.gallery-card {
  cursor: pointer;
  transition: var(--transition);
}

.gallery-card:hover {
  transform: translateY(-8px);
}

.gallery-image {
  aspect-ratio: 3/4;
  overflow: hidden;
  margin-bottom: var(--spacing-sm);
}

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

.gallery-title {
  font-size: 1.5rem;
  font-weight: 400;
  letter-spacing: 2px;
  margin-bottom: var(--spacing-xs);
}

.gallery-desc {
  font-size: 0.95rem;
  color: var(--color-text-light);
  line-height: 1.8;
}

.lightbox {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.95);
  z-index: 9999;
  overflow-y: auto;
}

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

.lightbox-content {
  max-width: 1200px;
  margin: var(--spacing-md);
  color: #fff;
}

.lightbox-close {
  position: fixed;
  top: var(--spacing-md);
  right: var(--spacing-md);
  font-size: 2rem;
  cursor: pointer;
  color: #fff;
  z-index: 10000;
}

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

.lightbox-images img {
  width: 100%;
  height: auto;
}

.lightbox-text {
  font-size: 1.1rem;
  line-height: 1.8;
  letter-spacing: 1px;
}

.article-list {
  max-width: 1000px;
  margin: var(--spacing-lg) auto 0;
}

.article-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
  align-items: center;
}

.article-item:nth-child(even) {
  direction: rtl;
}

.article-item:nth-child(even) .article-content {
  direction: ltr;
}

.article-image {
  aspect-ratio: 4/3;
  overflow: hidden;
}

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

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

.article-title {
  font-size: 1.5rem;
  font-weight: 400;
  letter-spacing: 2px;
  margin-bottom: var(--spacing-sm);
}

.article-text {
  font-size: 0.95rem;
  color: var(--color-text-light);
  line-height: 1.8;
}

footer {
  background: var(--color-primary);
  color: #fff;
  text-align: center;
  padding: var(--spacing-md);
  font-size: 0.9rem;
  letter-spacing: 1px;
}

@media (max-width: 768px) {
  nav {
    padding: var(--spacing-sm);
  }

  .nav-links {
    gap: var(--spacing-sm);
  }

  .featured-grid,
  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .article-item {
    grid-template-columns: 1fr;
  }

  .article-item:nth-child(even) {
    direction: ltr;
  }

  .section {
    padding: var(--spacing-lg) var(--spacing-sm);
  }

  .lightbox-images {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero-title {
    letter-spacing: 4px;
  }

  .hero-subtitle {
    letter-spacing: 2px;
  }

  .logo {
    font-size: 1rem;
  }

  .nav-links a {
    font-size: 0.85rem;
  }
}