/* 现代化设计令牌 */
:root {
  --color-primary: #F5F5F5;
  --color-secondary: #E0E0E0;
  --color-accent: #556B2F;
  --color-accent-secondary: #8B4513;
  --color-text: #333333;
  --color-text-light: #666666;
  --font-family-heading: "SimSun", serif;
  --font-family-body: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", sans-serif;
}

/* 全局样式 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family-body);
  color: var(--color-text);
  background-color: var(--color-primary);
  line-height: 1.6;
}

/* 标题样式 */
h1, h2, h3 {
  font-family: var(--font-family-heading);
  font-weight: normal;
  line-height: 1.4;
}

/* 导航样式 */
.nav-container {
  backdrop-filter: blur(10px);
  background-color: rgba(245, 245, 245, 0.9);
  transition: all 0.3s ease;
}

.nav-link {
  position: relative;
  transition: color 0.3s ease;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: width 0.3s ease;
}

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

/* 图片悬停效果 */
.image-hover {
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.3s ease;
}

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

.image-hover img {
  transition: transform 0.3s ease;
}

.image-hover:hover img {
  transform: scale(1.1);
}

/* 瀑布流布局 */
.masonry-grid {
  column-count: 4;
  column-gap: 1.5rem;
}

@media (max-width: 1024px) {
  .masonry-grid {
    column-count: 3;
  }
}

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

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

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

/* 淡入动画 */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.8s ease-out;
}

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

.hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 1s ease-in-out;
}

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

/* 页脚样式 */
.footer {
  background-color: var(--color-secondary);
  padding: 1.5rem 0;
  text-align: center;
  color: var(--color-text-light);
}

/* 内容容器 */
.content-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* 响应式网格 */
.responsive-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

/* 卡片样式 */
.card {
  background-color: white;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.card:hover {
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
  transform: translateY(-4px);
}

/* 文字装饰 */
.text-accent {
  color: var(--color-accent);
}

.text-secondary {
  color: var(--color-text-light);
}

/* 背景色 */
.bg-neutral {
  background-color: var(--color-primary);
}

.bg-light-gray {
  background-color: var(--color-secondary);
}

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

::-webkit-scrollbar-track {
  background: var(--color-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--color-accent);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-accent-secondary);
}