/* 现代风尚图鉴 - 全局样式 */

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

/* CSS变量定义 */
:root {
  --color-bg-primary: #ffffff;
  --color-bg-secondary: #f8f8f8;
  --color-text-primary: #1a1a1a;
  --color-text-secondary: #666666;
  --color-accent: #b8947d;
  --color-border: #e0e0e0;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  --transition-base: 0.3s ease;
  --shadow-base: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-hover: 0 4px 16px rgba(0,0,0,0.12);
}

/* 全局重置 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

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

.navbar-container {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.navbar-logo {
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: 0.05em;
}

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

.navbar-menu a {
  font-size: 0.95rem;
  font-weight: 300;
  padding: var(--spacing-xs) var(--spacing-sm);
  position: relative;
}

.navbar-menu a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: var(--transition-base);
  transform: translateX(-50%);
}

.navbar-menu a:hover::after,
.navbar-menu a.active::after {
  width: 80%;
}

/* 主容器 */
.main-container {
  margin-top: 70px;
  min-height: calc(100vh - 140px);
}

/* 轮播图区域 */
.hero-slider {
  position: relative;
  width: 100%;
  height: 90vh;
  overflow: hidden;
}

.slider-track {
  display: flex;
  transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  height: 100%;
}

.slider-item {
  min-width: 100%;
  height: 100%;
  position: relative;
}

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

.slider-caption {
  position: absolute;
  bottom: var(--spacing-xl);
  left: var(--spacing-lg);
  color: white;
  text-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.slider-caption h1 {
  font-size: 3rem;
  font-weight: 300;
  letter-spacing: 0.08em;
  margin-bottom: var(--spacing-xs);
}

.slider-controls {
  position: absolute;
  bottom: var(--spacing-md);
  right: var(--spacing-md);
  display: flex;
  gap: var(--spacing-sm);
}

.slider-btn {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(5px);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  transition: var(--transition-base);
}

.slider-btn:hover {
  background: rgba(255, 255, 255, 0.5);
}

/* 编辑精选区 */
.section {
  padding: var(--spacing-xl) var(--spacing-md);
  max-width: 1400px;
  margin: 0 auto;
}

.section-title {
  font-size: 2rem;
  font-weight: 300;
  letter-spacing: 0.1em;
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

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

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

.featured-item img {
  width: 100%;
  height: 500px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

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

.featured-caption p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
}

/* 快速导航卡片 */
.nav-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-xl);
}

.nav-card {
  position: relative;
  height: 400px;
  overflow: hidden;
  cursor: pointer;
  box-shadow: var(--shadow-base);
  transition: var(--transition-base);
}

.nav-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-5px);
}

.nav-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.nav-card:hover img {
  transform: scale(1.1);
}

.nav-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(0,0,0,0.7) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--spacing-md);
  color: white;
}

.nav-card-title {
  font-size: 1.5rem;
  font-weight: 400;
  margin-bottom: var(--spacing-xs);
}

.nav-card-desc {
  font-size: 0.9rem;
  font-weight: 300;
}

/* 详情页主视觉 */
.detail-hero {
  width: 100%;
  height: 80vh;
  margin-bottom: var(--spacing-lg);
}

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

/* 细节画廊 */
.detail-gallery {
  display: flex;
  gap: var(--spacing-sm);
  overflow-x: auto;
  padding: var(--spacing-sm) 0;
  scrollbar-width: thin;
  scrollbar-color: var(--color-accent) var(--color-bg-secondary);
}

.detail-gallery::-webkit-scrollbar {
  height: 6px;
}

.detail-gallery::-webkit-scrollbar-thumb {
  background: var(--color-accent);
  border-radius: 3px;
}

.gallery-item {
  flex: 0 0 300px;
  position: relative;
}

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

.gallery-caption {
  margin-top: var(--spacing-xs);
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  font-style: italic;
}

/* 风格解读 */
.style-analysis {
  max-width: 800px;
  margin: var(--spacing-lg) auto;
  padding: 0 var(--spacing-md);
}

.style-analysis h2 {
  font-size: 1.8rem;
  font-weight: 400;
  margin-bottom: var(--spacing-md);
}

.style-analysis p {
  font-size: 1rem;
  line-height: 2;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-sm);
}

/* 搭配启示 */
.styling-tips {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.styling-item img {
  width: 100%;
  height: 500px;
  object-fit: cover;
  margin-bottom: var(--spacing-sm);
}

.styling-desc {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
}

/* 过滤器 */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.filter-btn {
  padding: var(--spacing-xs) var(--spacing-md);
  border: 1px solid var(--color-border);
  background: var(--color-bg-primary);
  font-size: 0.9rem;
  transition: var(--transition-base);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--color-accent);
  color: white;
  border-color: var(--color-accent);
}

/* 图库网格 */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-md);
}

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

.gallery-grid-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.gallery-grid-item:hover img {
  transform: scale(1.08);
}

.gallery-tag {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(0, 0, 0, 0.7);
  color: white;
  padding: var(--spacing-sm);
  font-size: 0.85rem;
  transform: translateY(100%);
  transition: var(--transition-base);
}

.gallery-grid-item:hover .gallery-tag {
  transform: translateY(0);
}

/* 加载更多按钮 */
.load-more-container {
  text-align: center;
  margin-top: var(--spacing-lg);
}

.load-more-btn {
  padding: var(--spacing-sm) var(--spacing-lg);
  border: 2px solid var(--color-text-primary);
  background: transparent;
  font-size: 1rem;
  transition: var(--transition-base);
}

.load-more-btn:hover {
  background: var(--color-text-primary);
  color: white;
}

/* 页脚 */
.footer {
  text-align: center;
  padding: var(--spacing-md);
  color: var(--color-text-secondary);
  font-size: 0.85rem;
  border-top: 1px solid var(--color-border);
  margin-top: var(--spacing-xl);
}

/* 响应式设计 - 平板 */
@media (max-width: 1199px) {
  :root {
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
  }
  
  .slider-caption h1 {
    font-size: 2.5rem;
  }
  
  .nav-cards {
    grid-template-columns: 1fr;
  }
  
  .featured-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
}

/* 响应式设计 - 手机 */
@media (max-width: 767px) {
  :root {
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
  }
  
  .navbar-container {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .navbar-menu {
    gap: var(--spacing-sm);
  }
  
  .hero-slider {
    height: 60vh;
  }
  
  .slider-caption {
    left: var(--spacing-md);
    bottom: var(--spacing-md);
  }
  
  .slider-caption h1 {
    font-size: 1.8rem;
  }
  
  .section-title {
    font-size: 1.5rem;
  }
  
  .featured-grid {
    grid-template-columns: 1fr;
  }
  
  .featured-item img {
    height: 400px;
  }
  
  .nav-cards {
    grid-template-columns: 1fr;
  }
  
  .nav-card {
    height: 300px;
  }
  
  .detail-hero {
    height: 60vh;
  }
  
  .gallery-item {
    flex: 0 0 250px;
  }
  
  .styling-tips {
    grid-template-columns: 1fr;
  }
  
  .gallery-grid {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: var(--spacing-sm);
  }
}

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

.fade-in {
  animation: fadeIn 0.6s ease-out;
}

/* 加载动画 */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}