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

@tailwind base;
@tailwind components;
@tailwind utilities;

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

body {
  font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-weight: 300;
  color: #3a3a3a;
  background-color: #faf9f7;
  overflow-x: hidden;
  scroll-behavior: smooth;
}

/* 自定义配色变量 */
:root {
  --color-warm-white: #faf9f7;
  --color-warm-gray: #e8e4df;
  --color-sand: #d4c9bb;
  --color-deep-charcoal: #3a3a3a;
  --color-terracotta: #c8a18e;
  --color-sage: #a8b5a0;
  --color-oat: #e5ddd5;
}

/* 导航栏样式 */
.nav-container {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(250, 249, 247, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(232, 228, 223, 0.5);
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  width: 0;
  height: 1px;
  background-color: var(--color-deep-charcoal);
  transition: width 0.3s ease, left 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
  left: 0;
}

/* 图片容器样式 */
.image-container {
  position: relative;
  overflow: hidden;
  background-color: var(--color-warm-gray);
}

.image-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.image-container:hover img {
  transform: scale(1.02);
}

/* 轮播图样式 */
.carousel-container {
  position: relative;
  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;
  z-index: 1;
}

.carousel-caption {
  position: absolute;
  bottom: 15%;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0, 0, 0, 0.5);
  padding: 1.5rem 3rem;
  color: white;
  font-size: 1.5rem;
  font-weight: 300;
  letter-spacing: 0.1em;
  white-space: nowrap;
}

/* 卡片样式 */
.card-hover {
  transition: all 0.4s ease;
  cursor: pointer;
}

.card-hover:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

/* 筛选按钮样式 */
.filter-btn {
  position: relative;
  padding: 0.75rem 2rem;
  border: 1px solid var(--color-sand);
  background: transparent;
  color: var(--color-deep-charcoal);
  font-size: 0.95rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  transition: all 0.3s ease;
  cursor: pointer;
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--color-deep-charcoal);
  color: white;
  border-color: var(--color-deep-charcoal);
}

/* 文本样式 */
.title-main {
  font-size: 2.5rem;
  font-weight: 300;
  letter-spacing: 0.15em;
  color: var(--color-deep-charcoal);
}

.title-section {
  font-size: 1.8rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--color-deep-charcoal);
}

.text-poetry {
  font-size: 1.1rem;
  line-height: 2;
  letter-spacing: 0.05em;
  color: #666;
}

/* 页脚样式 */
.footer {
  padding: 3rem 0;
  text-align: center;
  color: #999;
  font-size: 0.85rem;
  border-top: 1px solid var(--color-warm-gray);
}

/* 淡入动画 */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* 网格布局 */
.grid-masonry {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .carousel-caption {
    font-size: 1rem;
    padding: 1rem 2rem;
  }

  .title-main {
    font-size: 1.8rem;
  }

  .title-section {
    font-size: 1.4rem;
  }

  .text-poetry {
    font-size: 1rem;
  }

  .filter-btn {
    font-size: 0.85rem;
    padding: 0.6rem 1.5rem;
  }

  .grid-masonry {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

/* 滚动条样式 */
::-webkit-scrollbar {
  width: 8px;
}

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

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

::-webkit-scrollbar-thumb:hover {
  background: var(--color-deep-charcoal);
}