/* 全局样式文件 - 风尚视界 */

/* 字体导入 */
@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@200;400;600&family=Inter:wght@300;400;500&display=swap');

/* 设计令牌 */
:root {
  --color-primary: #000000;
  --color-secondary: #ffffff;
  --color-accent: #888888;
  --color-bg-light: #fafafa;
  --color-text-muted: #999999;
  --font-primary: 'Inter', 'Noto Serif SC', sans-serif;
  --font-serif: 'Noto Serif SC', serif;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --spacing-xl: 4rem;
  --border-radius: 4px;
  --transition: all 0.3s ease;
}

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

body {
  font-family: var(--font-primary);
  line-height: 1.6;
  color: var(--color-primary);
  background: var(--color-secondary);
}

/* 导航样式 */
header {
  padding: var(--spacing-sm);
  border-bottom: 1px solid #f0f0f0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
}

nav {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

nav h1 {
  font-family: var(--font-serif);
  font-weight: 200;
  font-size: 1.5rem;
  letter-spacing: 0.2em;
}

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

nav a {
  text-decoration: none;
  color: var(--color-primary);
  font-weight: 300;
  font-size: 0.95rem;
  letter-spacing: 0.1em;
  transition: var(--transition);
  position: relative;
}

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

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

/* 主内容区域 */
main {
  margin-top: 80px;
  min-height: calc(100vh - 120px);
}

/* Hero区域 */
.hero {
  position: relative;
  height: 70vh;
  overflow: hidden;
}

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

.hero-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  color: white;
  z-index: 10;
}

.hero-text h2 {
  font-family: var(--font-serif);
  font-weight: 200;
  font-size: 3.5rem;
  letter-spacing: 0.3em;
  margin-bottom: var(--spacing-sm);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero-text p {
  font-size: 1.2rem;
  font-weight: 300;
  letter-spacing: 0.15em;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

/* 精选展示区 */
.featured {
  padding: var(--spacing-xl) var(--spacing-md);
}

.featured h3 {
  text-align: center;
  font-family: var(--font-serif);
  font-weight: 200;
  font-size: 2rem;
  margin-bottom: var(--spacing-lg);
  letter-spacing: 0.2em;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-md);
  max-width: 1200px;
  margin: 0 auto;
}

.gallery img {
  width: 100%;
  height: 450px;
  object-fit: cover;
  transition: var(--transition);
  cursor: pointer;
}

.gallery img:hover {
  transform: scale(1.02);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* 型录页面样式 */
.catalog-header {
  text-align: center;
  padding: var(--spacing-xl) var(--spacing-md) var(--spacing-lg);
}

.catalog-header h2 {
  font-family: var(--font-serif);
  font-weight: 200;
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
  letter-spacing: 0.2em;
}

.filter-tags {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.filter-tag {
  padding: var(--spacing-xs) var(--spacing-sm);
  border: 1px solid var(--color-accent);
  background: transparent;
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.9rem;
  letter-spacing: 0.05em;
}

.filter-tag:hover,
.filter-tag.active {
  background: var(--color-primary);
  color: var(--color-secondary);
  border-color: var(--color-primary);
}

.image-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-md);
  padding: 0 var(--spacing-md) var(--spacing-xl);
  max-width: 1400px;
  margin: 0 auto;
}

.image-item {
  position: relative;
  overflow: hidden;
}

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

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

.image-caption {
  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-md);
  transform: translateY(100%);
  transition: var(--transition);
}

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

/* 故事页面样式 */
.stories-container {
  max-width: 1000px;
  margin: 0 auto;
  padding: var(--spacing-xl) var(--spacing-md);
}

.story-card {
  margin-bottom: var(--spacing-xl);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  align-items: center;
}

.story-card:nth-child(even) {
  direction: rtl;
}

.story-card:nth-child(even) > * {
  direction: ltr;
}

.story-card img {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

.story-content h3 {
  font-family: var(--font-serif);
  font-weight: 200;
  font-size: 1.8rem;
  margin-bottom: var(--spacing-sm);
  letter-spacing: 0.1em;
}

.story-content p {
  color: var(--color-accent);
  line-height: 1.8;
  font-weight: 300;
  letter-spacing: 0.02em;
}

/* 幕后页面样式 */
.behind-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-xl) var(--spacing-md);
}

.behind-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.behind-header h2 {
  font-family: var(--font-serif);
  font-weight: 200;
  font-size: 2.5rem;
  letter-spacing: 0.2em;
}

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

.behind-gallery img {
  width: 100%;
  height: 350px;
  object-fit: cover;
}

.behind-description {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
  color: var(--color-accent);
  line-height: 1.8;
  font-weight: 300;
  letter-spacing: 0.02em;
}

/* 页脚样式 */
footer {
  text-align: center;
  padding: var(--spacing-md);
  border-top: 1px solid #f0f0f0;
  color: var(--color-text-muted);
  font-size: 0.9rem;
  letter-spacing: 0.05em;
}

/* 响应式设计 */
@media (max-width: 768px) {
  nav {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

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

  .hero {
    height: 50vh;
  }

  .hero-text h2 {
    font-size: 2rem;
    letter-spacing: 0.1em;
  }

  .hero-text p {
    font-size: 1rem;
  }

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

  .story-card {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .story-card:nth-child(even) {
    direction: ltr;
  }

  .image-grid {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  }

  .catalog-header h2,
  .behind-header h2 {
    font-size: 1.8rem;
  }
}

@media (max-width: 480px) {
  .featured h3 {
    font-size: 1.5rem;
  }

  .gallery img,
  .image-item img,
  .behind-gallery img {
    height: 300px;
  }

  .story-card img {
    height: 250px;
  }

  main {
    margin-top: 100px;
  }
}

/* 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;
}

/* 图片遮罩效果 */
.image-overlay {
  position: relative;
  overflow: hidden;
}

.image-overlay::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0);
  transition: var(--transition);
}

.image-overlay:hover::after {
  background: rgba(0, 0, 0, 0.1);
}