/* 全局样式文件 - 时尚服装展示网站 */

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

/* 自定义配置 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --color-primary: #f8f9fa;
  --color-secondary: #2c3e50;
  --color-accent: #b8a47e;
  --color-white: #ffffff;
  --color-cream: #fafafa;
  --color-matte-black: #1a1a1a;
  --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
  font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--color-primary);
  color: var(--color-secondary);
  overflow-x: hidden;
  line-height: 1.8;
  font-weight: 300;
}

/* 页面过渡效果 */
.page-transition {
  animation: fadeIn 0.6s ease-in-out;
}

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

/* 导航栏样式 */
.nav-container {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(44, 62, 80, 0.1);
}

.nav-link {
  position: relative;
  transition: var(--transition-smooth);
  font-weight: 400;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: var(--transition-smooth);
  transform: translateX(-50%);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* 轮播图样式 */
.carousel-container {
  position: relative;
  width: 100%;
  height: 100vh;
  overflow: hidden;
}

.carousel-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 1.2s ease-in-out;
}

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

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

.carousel-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 4rem 2rem;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.6), transparent);
}

/* 磁贴网格样式 */
.grid-tile {
  position: relative;
  overflow: hidden;
  aspect-ratio: 1;
  cursor: pointer;
  transition: var(--transition-smooth);
}

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

.grid-tile:hover img {
  transform: scale(1.05);
}

.grid-tile-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(26, 26, 26, 0.7);
  opacity: 0;
  transition: var(--transition-smooth);
}

.grid-tile:hover .grid-tile-overlay {
  opacity: 1;
}

/* 瀑布流布局 */
.masonry-grid {
  column-count: 3;
  column-gap: 2rem;
}

.masonry-item {
  break-inside: avoid;
  margin-bottom: 2rem;
  transition: var(--transition-smooth);
}

.masonry-item:hover {
  transform: translateY(-8px);
}

.masonry-item img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 4px;
}

/* 系列主题横幅 */
.theme-banner {
  position: relative;
  height: 60vh;
  overflow: hidden;
}

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

.theme-content {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 4rem;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
}

/* 垂直导航条 */
.vertical-nav {
  position: fixed;
  right: 2rem;
  top: 50%;
  transform: translateY(-50%);
  z-index: 100;
}

.vertical-nav-item {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(184, 164, 126, 0.3);
  margin: 1.5rem 0;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.vertical-nav-item:hover,
.vertical-nav-item.active {
  background: var(--color-accent);
  transform: scale(1.5);
}

/* 滚动动画 */
.scroll-reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.scroll-reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* 视差效果 */
.parallax {
  position: relative;
  overflow: hidden;
}

.parallax-bg {
  position: absolute;
  inset: 0;
  transform: translateZ(0);
}

/* 按钮样式 */
.btn-ghost {
  padding: 0.75rem 2rem;
  border: 1px solid var(--color-accent);
  background: transparent;
  color: var(--color-accent);
  font-weight: 400;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.btn-ghost:hover {
  background: var(--color-accent);
  color: var(--color-white);
}

/* 页脚样式 */
.footer-minimal {
  padding: 3rem 0;
  text-align: center;
  font-size: 0.875rem;
  color: rgba(44, 62, 80, 0.5);
  letter-spacing: 0.1em;
}

/* 响应式设计 */
@media (max-width: 1024px) {
  .masonry-grid {
    column-count: 2;
  }
  
  .vertical-nav {
    display: none;
  }
}

@media (max-width: 768px) {
  .masonry-grid {
    column-count: 1;
  }
  
  .theme-content {
    padding: 2rem;
  }
  
  .carousel-overlay {
    padding: 2rem 1rem;
  }
}

/* 图片懒加载占位符 */
.img-loading {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
}

@keyframes loading {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

/* 文本样式 */
.text-poetry {
  font-size: 1.25rem;
  line-height: 2;
  letter-spacing: 0.05em;
  font-weight: 300;
}

.text-elegant {
  font-size: 0.95rem;
  line-height: 1.8;
  letter-spacing: 0.03em;
  color: rgba(44, 62, 80, 0.8);
}

/* 卡片样式 */
.card-minimal {
  background: var(--color-white);
  border: 1px solid rgba(44, 62, 80, 0.08);
  transition: var(--transition-smooth);
}

.card-minimal:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
  transform: translateY(-4px);
}

/* 分隔线 */
.divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(to right, transparent, rgba(184, 164, 126, 0.3), transparent);
  margin: 4rem 0;
}