/* 全局样式 - 缥缈风尚 */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500&display=swap');

:root {
  --color-bg: #ffffff;
  --color-text: #2c2c2c;
  --color-text-light: #666666;
  --color-accent: #d4af37;
  --color-border: #e0e0e0;
  --font-family: 'Noto Sans SC', 'Helvetica Neue', Arial, sans-serif;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-weight: 300;
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.6;
  overflow-x: hidden;
}

/* 导航栏 */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0);
  backdrop-filter: blur(0);
  transition: var(--transition);
  z-index: 1000;
  padding: 2rem 0;
}

nav.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  padding: 1rem 0;
  box-shadow: 0 1px 0 var(--color-border);
}

nav ul {
  list-style: none;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 3rem;
}

nav a {
  text-decoration: none;
  color: var(--color-text);
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  transition: var(--transition);
  position: relative;
}

nav a::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: width 0.3s ease;
}

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

nav a.active {
  font-weight: 400;
  color: var(--color-text);
}

/* 容器 */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* 标题 */
h1 {
  font-weight: 300;
  font-size: 2.5rem;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}

h2 {
  font-weight: 300;
  font-size: 1.8rem;
  letter-spacing: 0.05em;
  margin-bottom: 1.5rem;
}

h3 {
  font-weight: 400;
  font-size: 1.2rem;
  letter-spacing: 0.05em;
  color: var(--color-text);
}

/* 图片通用样式 */
img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.image-hover:hover {
  transform: scale(1.03);
}

/* 页脚 */
footer {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--color-text-light);
  font-size: 0.85rem;
  letter-spacing: 0.05em;
}

/* 首页轮播 */
.carousel {
  position: relative;
  height: 100vh;
  overflow: hidden;
}

.carousel-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 1.5s ease-in-out;
}

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

.carousel-dots {
  position: absolute;
  bottom: 3rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 1rem;
  z-index: 10;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: var(--transition);
}

.dot.active {
  background: var(--color-bg);
  width: 24px;
  border-radius: 4px;
}

/* 系列页面 - 网格 */
.collections-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  padding: 8rem 0 4rem;
}

.collection-item {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 3/4;
  background: var(--color-border);
}

.collection-info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 2rem;
  background: linear-gradient(to top, rgba(0,0,0,0.7), transparent);
  color: white;
  transform: translateY(100%);
  transition: var(--transition);
}

.collection-item:hover .collection-info {
  transform: translateY(0);
}

/* 风格页面 - 卡片 */
.style-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 3rem;
  padding: 8rem 0 4rem;
}

.style-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: var(--transition);
}

.style-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.style-card-image {
  height: 400px;
  overflow: hidden;
}

.style-card-content {
  padding: 2rem;
}

.style-card-title {
  margin-bottom: 1rem;
}

.style-card-description {
  color: var(--color-text-light);
  line-height: 1.8;
}

/* 幕后页面 - 瀑布流 */
.behind-masonry {
  columns: 3 300px;
  column-gap: 2rem;
  padding: 8rem 2rem 4rem;
}

.behind-item {
  break-inside: avoid;
  margin-bottom: 2rem;
  overflow: hidden;
  border-radius: 4px;
}

.behind-item img {
  transition: var(--transition);
}

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

/* 响应式 */
@media (max-width: 768px) {
  nav ul {
    gap: 1.5rem;
  }
  
  nav a {
    font-size: 0.85rem;
  }
  
  h1 {
    font-size: 2rem;
  }
  
  .collections-grid,
  .style-cards {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    padding: 6rem 0 3rem;
  }
  
  .behind-masonry {
    columns: 2;
  }
  
  .container {
    padding: 0 1rem;
  }
}

@media (max-width: 480px) {
  nav ul {
    gap: 1rem;
  }
  
  .behind-masonry {
    columns: 1;
  }
}