/* 全局样式 */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@100;300;400;500;700&display=swap');

:root {
  --color-primary: #f8f8f8;
  --color-secondary: #333333;
  --color-accent: #e5e5e5;
  --color-text: #666666;
  --font-primary: 'Noto Sans SC', sans-serif;
}

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

body {
  font-family: var(--font-primary);
  background-color: var(--color-primary);
  color: var(--color-secondary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* 导航栏样式 */
.nav-container {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(248, 248, 248, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  padding: 1rem 2rem;
}

.nav-link {
  color: var(--color-secondary);
  text-decoration: none;
  font-weight: 300;
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  transition: all 0.3s ease;
  cursor: pointer;
}

.nav-link:hover {
  color: #999;
  transform: translateY(-1px);
}

/* 页面容器 */
.page-container {
  min-height: 100vh;
  padding-top: 80px;
}

/* 图片容器样式 */
.image-container {
  overflow: hidden;
  border-radius: 8px;
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.image-container:hover {
  transform: scale(1.02);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

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

.image-container:hover img {
  transform: scale(1.05);
}

/* 精选系列横向滚动 */
.series-scroll {
  display: flex;
  gap: 2rem;
  overflow-x: auto;
  padding: 2rem 0;
  scroll-behavior: smooth;
}

.series-scroll::-webkit-scrollbar {
  height: 6px;
}

.series-scroll::-webkit-scrollbar-track {
  background: var(--color-accent);
  border-radius: 3px;
}

.series-scroll::-webkit-scrollbar-thumb {
  background: #ccc;
  border-radius: 3px;
}

/* 瀑布流布局 */
.masonry-grid {
  columns: 3;
  gap: 1.5rem;
}

@media (max-width: 1024px) {
  .masonry-grid {
    columns: 2;
  }
}

@media (max-width: 640px) {
  .masonry-grid {
    columns: 1;
  }
}

.masonry-item {
  break-inside: avoid;
  margin-bottom: 1.5rem;
}

/* 筛选标签样式 */
.filter-tag {
  padding: 0.5rem 1.5rem;
  background: transparent;
  border: 1px solid #ddd;
  border-radius: 20px;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.3s ease;
  font-weight: 300;
}

.filter-tag.active,
.filter-tag:hover {
  background: var(--color-secondary);
  color: var(--color-primary);
  border-color: var(--color-secondary);
}

/* 卡片样式 */
.collection-card {
  cursor: pointer;
  transition: all 0.3s ease;
}

.collection-card:hover {
  transform: translateY(-5px);
}

.collection-title {
  font-weight: 300;
  font-size: 1.1rem;
  letter-spacing: 0.05em;
  margin-top: 1rem;
}

/* 页脚样式 */
.footer {
  padding: 3rem 0;
  text-align: center;
  color: var(--color-text);
  font-size: 0.85rem;
  font-weight: 300;
}

/* 动画效果 */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.8s ease forwards;
}

/* 响应式网格 */
.grid-responsive {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .grid-responsive {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .grid-responsive {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* 文本样式 */
.text-elegant {
  font-weight: 300;
  line-height: 1.8;
  letter-spacing: 0.02em;
}

.title-section {
  font-weight: 200;
  letter-spacing: 0.1em;
  text-align: center;
  margin-bottom: 3rem;
}

/* 加载动画 */
.loading {
  opacity: 0;
  transition: opacity 0.5s ease;
}

.loading.loaded {
  opacity: 1;
}