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

:root {
  --primary-color: #000000;
  --secondary-color: #ffffff;
  --accent-color: #8b0000;
  --background-color: #fafafa;
  --text-color: #333333;
  --light-gray: #e5e5e5;
}

body {
  font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--text-color);
  background-color: var(--background-color);
  line-height: 1.6;
  scroll-behavior: smooth;
}

/* 导航栏样式 */
.nav-link {
  position: relative;
  transition: color 0.3s ease;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--accent-color);
  transition: width 0.3s ease;
}

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

/* 轮播图样式 */
.carousel-container {
  position: relative;
  overflow: hidden;
}

.carousel-slide {
  opacity: 0;
  transition: opacity 1s ease-in-out;
}

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

/* 图片悬停效果 */
.hover-zoom {
  overflow: hidden;
}

.hover-zoom img {
  transition: transform 0.5s ease;
}

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

/* 按钮样式 */
.btn-accent {
  background-color: var(--accent-color);
  color: var(--secondary-color);
  padding: 12px 32px;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  font-weight: 500;
  letter-spacing: 0.05em;
}

.btn-accent:hover {
  background-color: #6b0000;
  transform: translateY(-2px);
}

/* 瀑布流布局 */
.masonry {
  column-count: 3;
  column-gap: 1rem;
}

@media (max-width: 768px) {
  .masonry {
    column-count: 2;
  }
}

@media (max-width: 480px) {
  .masonry {
    column-count: 1;
  }
}

.masonry-item {
  break-inside: avoid;
  margin-bottom: 1rem;
}

/* 标签样式 */
.tag {
  padding: 6px 12px;
  background-color: var(--light-gray);
  border-radius: 20px;
  font-size: 0.875rem;
  transition: all 0.3s ease;
  cursor: pointer;
}

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

/* 页脚样式 */
footer {
  background-color: var(--primary-color);
  color: var(--secondary-color);
  text-align: center;
  padding: 2rem 0;
  font-size: 0.875rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .btn-accent {
    padding: 10px 24px;
  }
}

/* 自定义滚动条 */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
  background: #888;
}

::-webkit-scrollbar-thumb:hover {
  background: #555;
}