/* 全局样式文件 - 极简现代设计 */

/* 引入思源字体 */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;700&family=Noto+Serif+SC:wght@300;400;500&display=swap');

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

/* 全局变量 */
:root {
  --color-bg-primary: #ffffff;
  --color-bg-secondary: #f8f9fa;
  --color-text-primary: #2c3e50;
  --color-text-secondary: #546e7a;
  --color-border: #e0e0e0;
  --font-title: 'Noto Sans SC', sans-serif;
  --font-body: 'Noto Serif SC', serif;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 基础样式 */
html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.8;
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  overflow-x: hidden;
}

/* 导航栏 */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  border-bottom: 1px solid var(--color-border);
}

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

.nav-logo {
  font-family: var(--font-title);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--color-text-primary);
  text-decoration: none;
  letter-spacing: 2px;
}

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

.nav-links a {
  font-family: var(--font-title);
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: var(--transition);
  position: relative;
  padding-bottom: 4px;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-text-primary);
}

.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-text-primary);
}

/* 主内容区域 */
.main-content {
  margin-top: 72px;
  min-height: calc(100vh - 72px - 80px);
}

/* 全屏轮播区域 */
.hero-carousel {
  position: relative;
  height: 90vh;
  overflow: hidden;
}

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

.carousel-slide.active {
  opacity: 1;
}

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

.carousel-caption {
  position: absolute;
  bottom: var(--spacing-xl);
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  color: #ffffff;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.carousel-caption h2 {
  font-family: var(--font-title);
  font-size: 2.5rem;
  font-weight: 500;
  letter-spacing: 4px;
  margin: 0;
}

/* 容器样式 */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--spacing-xl) var(--spacing-md);
}

.container-narrow {
  max-width: 1000px;
}

/* 标题样式 */
.section-title {
  font-family: var(--font-title);
  font-size: 2rem;
  font-weight: 500;
  text-align: center;
  margin-bottom: var(--spacing-lg);
  letter-spacing: 3px;
  color: var(--color-text-primary);
}

.section-subtitle {
  font-family: var(--font-title);
  font-size: 1rem;
  font-weight: 400;
  text-align: center;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
  letter-spacing: 1px;
}

/* 编辑精选区域 */
.featured-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
}

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

.featured-item img {
  width: 100%;
  height: 600px;
  object-fit: cover;
  transition: var(--transition);
}

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

.featured-caption {
  padding: var(--spacing-sm) 0;
}

.featured-caption p {
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--color-text-secondary);
}

/* 风格预告区域 */
.preview-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.preview-item {
  position: relative;
  overflow: hidden;
  aspect-ratio: 3/4;
  cursor: pointer;
}

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

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

.preview-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
}

.preview-item:hover .preview-overlay {
  opacity: 1;
}

.preview-overlay span {
  font-family: var(--font-title);
  font-size: 1.1rem;
  font-weight: 400;
  color: #ffffff;
  letter-spacing: 2px;
}

.cta-button {
  display: block;
  width: fit-content;
  margin: var(--spacing-md) auto 0;
  padding: var(--spacing-sm) var(--spacing-md);
  font-family: var(--font-title);
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--color-text-primary);
  text-decoration: none;
  border: 1px solid var(--color-text-primary);
  transition: var(--transition);
  letter-spacing: 1px;
}

.cta-button:hover {
  background-color: var(--color-text-primary);
  color: #ffffff;
}

/* 风格分类 */
.style-categories {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.category-card {
  text-align: center;
  padding: var(--spacing-md);
  background-color: var(--color-bg-secondary);
}

.category-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
}

.category-card h3 {
  font-family: var(--font-title);
  font-size: 1.1rem;
  font-weight: 400;
  letter-spacing: 2px;
  margin-bottom: var(--spacing-xs);
}

/* 瀑布流画廊 */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
}

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

.gallery-item img {
  width: 100%;
  height: auto;
  display: block;
  transition: var(--transition);
  animation: fadeIn 0.6s ease-in;
}

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

.gallery-item-title {
  font-family: var(--font-title);
  font-size: 1rem;
  font-weight: 400;
  margin-top: var(--spacing-xs);
  letter-spacing: 1px;
}

.gallery-item-desc {
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--color-text-secondary);
  margin-top: var(--spacing-xs);
}

/* 细节聚焦 */
.detail-focus {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  margin-top: var(--spacing-xl);
}

.focus-item {
  text-align: center;
}

.focus-item img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  margin-bottom: var(--spacing-sm);
}

.focus-item p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

/* 工艺解析区域 */
.craft-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.craft-item {
  text-align: center;
}

.craft-item img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  margin-bottom: var(--spacing-sm);
}

.craft-item h3 {
  font-family: var(--font-title);
  font-size: 1.3rem;
  font-weight: 500;
  margin-bottom: var(--spacing-sm);
  letter-spacing: 2px;
}

.craft-item p {
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--color-text-secondary);
  text-align: justify;
}

/* 引言区域 */
.quote-section {
  text-align: center;
  padding: var(--spacing-lg) 0;
  max-width: 800px;
  margin: 0 auto;
}

.quote-section blockquote {
  font-family: var(--font-body);
  font-size: 1.3rem;
  font-weight: 400;
  line-height: 2;
  color: var(--color-text-secondary);
  font-style: italic;
  margin-bottom: var(--spacing-sm);
}

.quote-section cite {
  font-family: var(--font-title);
  font-size: 0.9rem;
  font-style: normal;
  color: var(--color-text-secondary);
}

/* 灵感墙 */
.inspiration-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-sm);
}

.inspiration-item {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
}

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

.inspiration-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--spacing-sm);
  background: rgba(0, 0, 0, 0.6);
  color: #ffffff;
  font-size: 0.85rem;
  text-align: center;
  transform: translateY(100%);
  transition: var(--transition);
}

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

/* 页脚 */
.footer {
  background-color: var(--color-bg-secondary);
  text-align: center;
  padding: var(--spacing-md);
  border-top: 1px solid var(--color-border);
}

.footer p {
  font-family: var(--font-title);
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  letter-spacing: 2px;
}

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

/* 响应式设计 */
@media (max-width: 1024px) {
  .featured-grid,
  .gallery-grid,
  .craft-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .preview-grid,
  .style-categories,
  .inspiration-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .carousel-caption h2 {
    font-size: 2rem;
  }
}

@media (max-width: 768px) {
  .nav-container {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .nav-links {
    gap: var(--spacing-sm);
  }
  
  .featured-grid,
  .gallery-grid,
  .craft-grid,
  .preview-grid,
  .style-categories,
  .detail-focus,
  .inspiration-grid {
    grid-template-columns: 1fr;
  }
  
  .container {
    padding: var(--spacing-md) var(--spacing-sm);
  }
  
  .section-title {
    font-size: 1.5rem;
  }
  
  .carousel-caption h2 {
    font-size: 1.5rem;
  }
  
  .hero-carousel {
    height: 60vh;
  }
}

@media (max-width: 480px) {
  :root {
    --spacing-md: 1rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
  }
  
  .nav-logo {
    font-size: 1.2rem;
  }
  
  .nav-links a {
    font-size: 0.85rem;
  }
}