/* 全局样式 - 时尚服装展示网站 By HAISNAP */

/* CSS变量定义 - 设计令牌 */
:root {
  --color-bg-primary: #fafaf9;
  --color-bg-secondary: #f5f5f4;
  --color-text-primary: #1c1917;
  --color-text-secondary: #57534e;
  --color-accent: #94a3b8;
  --color-accent-light: #cbd5e1;
  --color-dark: #0f172a;
  
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  
  --font-size-body: 1rem;
  --font-size-h1: 3rem;
  --font-size-h2: 2rem;
  --font-size-h3: 1.5rem;
  
  --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-subtle: 0 1px 3px rgba(0, 0, 0, 0.05);
}

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

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  font-weight: 300;
  line-height: 1.8;
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  overflow-x: hidden;
}

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

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

/* 导航栏样式 */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(250, 250, 249, 0.95);
  backdrop-filter: blur(10px);
  padding: var(--spacing-md) var(--spacing-lg);
  display: flex;
  justify-content: center;
  gap: var(--spacing-lg);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.navbar a {
  font-size: 0.95rem;
  font-weight: 300;
  letter-spacing: 0.1em;
  position: relative;
  padding-bottom: 0.25rem;
}

.navbar a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 100%;
  height: 1px;
  background: var(--color-text-primary);
  transition: var(--transition-smooth);
}

.navbar a:hover::after,
.navbar a.active::after {
  transform: translateX(-50%) scaleX(1);
}

/* 页脚样式 */
.footer {
  text-align: center;
  padding: var(--spacing-lg) var(--spacing-sm);
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  letter-spacing: 0.05em;
}

/* 主容器 */
.main-container {
  margin-top: 80px;
  min-height: calc(100vh - 160px);
}

/* 全屏轮播区域 */
.hero-slider {
  position: relative;
  width: 100%;
  height: 100vh;
  overflow: hidden;
}

.slide {
  position: absolute;
  top: 0;
  left: 0;
  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;
}

.slide-caption {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  color: white;
  background: rgba(0, 0, 0, 0.3);
  padding: var(--spacing-md) var(--spacing-lg);
  backdrop-filter: blur(5px);
  font-size: var(--font-size-h2);
  font-weight: 200;
  letter-spacing: 0.15em;
}

.scroll-indicator {
  position: absolute;
  bottom: var(--spacing-md);
  left: 50%;
  transform: translateX(-50%);
  width: 24px;
  height: 40px;
  border: 2px solid rgba(255, 255, 255, 0.5);
  border-radius: 20px;
  cursor: pointer;
}

.scroll-indicator::before {
  content: '';
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 8px;
  background: rgba(255, 255, 255, 0.7);
  border-radius: 2px;
  animation: scroll-down 2s infinite;
}

@keyframes scroll-down {
  0%, 100% { transform: translateX(-50%) translateY(0); opacity: 1; }
  50% { transform: translateX(-50%) translateY(12px); opacity: 0.3; }
}

/* 内容区域 */
.content-section {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--spacing-xl) var(--spacing-md);
}

.section-title {
  font-size: var(--font-size-h2);
  font-weight: 300;
  letter-spacing: 0.2em;
  margin-bottom: var(--spacing-lg);
  text-align: center;
}

/* 网格布局 - 本周聚焦 */
.focus-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

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

.focus-item:first-child {
  grid-column: span 2;
  grid-row: span 2;
}

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

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

.focus-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--spacing-md);
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.7));
  color: white;
  font-size: 0.95rem;
  letter-spacing: 0.1em;
  transform: translateY(100%);
  transition: var(--transition-smooth);
}

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

/* 杂志风格布局 - 风格故事 */
.story-banner {
  width: 100%;
  height: 60vh;
  margin-bottom: var(--spacing-xl);
}

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

.story-content {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.story-intro {
  font-size: var(--font-size-h3);
  font-weight: 300;
  letter-spacing: 0.15em;
  margin-bottom: var(--spacing-md);
}

.story-text {
  font-size: var(--font-size-body);
  line-height: 2;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
}

.story-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  margin: var(--spacing-xl) 0;
  align-items: center;
}

.story-image {
  width: 100%;
  aspect-ratio: 3/4;
  overflow: hidden;
}

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

.story-moments {
  margin-top: var(--spacing-xl);
}

.moments-subtitle {
  font-size: var(--font-size-h3);
  font-weight: 300;
  letter-spacing: 0.15em;
  margin-bottom: var(--spacing-md);
}

.moments-grid {
  display: grid;
  gap: var(--spacing-md);
}

.moment-item {
  position: relative;
}

.moment-item img {
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
}

.moment-note {
  margin-top: var(--spacing-sm);
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  letter-spacing: 0.05em;
}

/* 瀑布流布局 - 视觉专辑 */
.album-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-md);
  padding: var(--spacing-md);
}

.album-item {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  break-inside: avoid;
}

.album-item img {
  width: 100%;
  height: auto;
  display: block;
  transition: var(--transition-smooth);
  filter: brightness(0.95);
}

.album-item:hover img {
  transform: scale(1.03);
  filter: brightness(1.05);
}

/* 灯箱效果 */
.lightbox {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.95);
  z-index: 2000;
  align-items: center;
  justify-content: center;
}

.lightbox.active {
  display: flex;
}

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

.lightbox-content img {
  max-width: 100%;
  max-height: 90vh;
  object-fit: contain;
}

.lightbox-close {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 24px;
  transition: var(--transition-smooth);
}

.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.2);
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 50px;
  height: 50px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 24px;
  transition: var(--transition-smooth);
}

.lightbox-nav:hover {
  background: rgba(255, 255, 255, 0.2);
}

.lightbox-prev {
  left: var(--spacing-md);
}

.lightbox-next {
  right: var(--spacing-md);
}

/* 加载动画 */
.loading {
  opacity: 0;
  animation: fadeIn 0.6s ease-in forwards;
}

@keyframes fadeIn {
  to { opacity: 1; }
}

/* 响应式设计 */
@media (max-width: 1024px) {
  :root {
    --font-size-h1: 2.5rem;
    --font-size-h2: 1.75rem;
    --font-size-h3: 1.25rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
  }
  
  .focus-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .story-section {
    grid-template-columns: 1fr;
  }
  
  .album-grid {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  }
}

@media (max-width: 768px) {
  :root {
    --font-size-h1: 2rem;
    --font-size-h2: 1.5rem;
    --font-size-h3: 1.125rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
  }
  
  .navbar {
    padding: var(--spacing-sm) var(--spacing-md);
    gap: var(--spacing-md);
  }
  
  .navbar a {
    font-size: 0.875rem;
  }
  
  .focus-grid {
    grid-template-columns: 1fr;
  }
  
  .focus-item:first-child {
    grid-column: span 1;
    grid-row: span 1;
  }
  
  .slide-caption {
    font-size: var(--font-size-h3);
    padding: var(--spacing-sm) var(--spacing-md);
  }
  
  .album-grid {
    grid-template-columns: 1fr;
  }
  
  .lightbox-nav {
    width: 40px;
    height: 40px;
    font-size: 20px;
  }
}

@media (max-width: 480px) {
  .navbar {
    flex-direction: column;
    gap: var(--spacing-sm);
    align-items: center;
  }
  
  .content-section {
    padding: var(--spacing-lg) var(--spacing-sm);
  }
}