/* Tailwind.css 配置 */
@layer base {
  * {
    @apply antialiased;
  }
}

/* 全局样式变量 */
:root {
  --color-primary: #f5f5f0;
  --color-secondary: #e8e8e3;
  --color-dark: #2c2c2c;
  --color-gray: #757575;
  --color-light-gray: #d4d4d4;
  --color-accent: #a89f91;
  --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

/* 全局重置 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  color: var(--color-dark);
  background-color: var(--color-primary);
  line-height: 1.8;
  overflow-x: hidden;
}

/* 导航栏样式 */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: rgba(245, 245, 240, 0.95);
  backdrop-filter: blur(10px);
  transition: var(--transition-smooth);
}

.navbar.scrolled {
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
}

.nav-link {
  position: relative;
  color: var(--color-dark);
  text-decoration: none;
  font-weight: 400;
  letter-spacing: 0.5px;
  transition: var(--transition-smooth);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 50%;
  width: 0;
  height: 1px;
  background-color: var(--color-dark);
  transition: var(--transition-smooth);
  transform: translateX(-50%);
}

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

/* 页脚样式 */
.footer {
  text-align: center;
  padding: 3rem 0;
  border-top: 1px solid var(--color-light-gray);
  color: var(--color-gray);
  font-size: 0.875rem;
  letter-spacing: 1px;
}

/* 轮播图样式 */
.hero-carousel {
  position: relative;
  width: 100%;
  height: 100vh;
  overflow: hidden;
}

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

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

.carousel-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.carousel-caption {
  position: absolute;
  bottom: 15%;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  color: white;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
  font-size: 2.5rem;
  font-weight: 300;
  letter-spacing: 2px;
  opacity: 0;
  animation: fadeInUp 1s ease-out 0.5s forwards;
}

.scroll-indicator {
  position: absolute;
  bottom: 5%;
  left: 50%;
  transform: translateX(-50%);
  width: 30px;
  height: 50px;
  border: 2px solid rgba(255, 255, 255, 0.7);
  border-radius: 20px;
  cursor: pointer;
  opacity: 0;
  animation: fadeIn 1s ease-out 1.5s forwards;
}

.scroll-indicator::after {
  content: '';
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 8px;
  background-color: rgba(255, 255, 255, 0.7);
  border-radius: 2px;
  animation: scrollDown 2s infinite;
}

/* 内容区域样式 */
.section {
  padding: 8rem 2rem;
  max-width: 1400px;
  margin: 0 auto;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 300;
  letter-spacing: 3px;
  margin-bottom: 3rem;
  text-align: center;
  color: var(--color-dark);
}

.section-content {
  font-size: 1.125rem;
  line-height: 2;
  color: var(--color-gray);
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

/* 网格布局样式 */
.grid-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 4rem;
}

.grid-item {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 3/4;
}

.grid-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
}

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

.grid-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
  display: flex;
  align-items: flex-end;
  padding: 2rem;
  opacity: 0;
  transition: var(--transition-smooth);
}

.grid-item:hover .grid-overlay {
  opacity: 1;
}

.grid-text {
  color: white;
  font-size: 1.25rem;
  font-weight: 300;
  letter-spacing: 1px;
}

/* 主题区域样式 */
.theme-section {
  background-color: var(--color-secondary);
  padding: 8rem 2rem;
  margin-top: 6rem;
}

.theme-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  max-width: 1400px;
  margin: 0 auto;
  align-items: center;
}

.theme-image {
  width: 100%;
  height: 600px;
  object-fit: cover;
}

.theme-text h3 {
  font-size: 2rem;
  font-weight: 300;
  letter-spacing: 2px;
  margin-bottom: 1.5rem;
}

.theme-text p {
  font-size: 1.125rem;
  line-height: 2;
  color: var(--color-gray);
  margin-bottom: 1rem;
}

/* 筛选导航样式 */
.filter-nav {
  display: flex;
  justify-content: center;
  gap: 3rem;
  margin-bottom: 4rem;
  flex-wrap: wrap;
}

.filter-button {
  background: none;
  border: none;
  color: var(--color-gray);
  font-size: 1rem;
  letter-spacing: 1px;
  cursor: pointer;
  padding: 0.5rem 1rem;
  transition: var(--transition-smooth);
  position: relative;
}

.filter-button::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 1px;
  background-color: var(--color-dark);
  transition: var(--transition-smooth);
  transform: translateX(-50%);
}

.filter-button:hover,
.filter-button.active {
  color: var(--color-dark);
}

.filter-button:hover::after,
.filter-button.active::after {
  width: 100%;
}

/* 系列卡片样式 */
.collection-card {
  background: white;
  overflow: hidden;
  transition: var(--transition-smooth);
}

.collection-card:hover {
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.collection-image {
  width: 100%;
  height: 400px;
  object-fit: cover;
  transition: var(--transition-smooth);
}

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

.collection-info {
  padding: 2rem;
}

.collection-title {
  font-size: 1.5rem;
  font-weight: 300;
  letter-spacing: 1px;
  margin-bottom: 1rem;
}

.collection-description {
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--color-gray);
  margin-bottom: 1rem;
}

.collection-tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.tag {
  font-size: 0.75rem;
  color: var(--color-gray);
  padding: 0.25rem 0.75rem;
  border: 1px solid var(--color-light-gray);
  letter-spacing: 0.5px;
}

/* 文章样式 */
.article {
  margin-bottom: 4rem;
  padding-bottom: 4rem;
  border-bottom: 1px solid var(--color-light-gray);
}

.article:last-child {
  border-bottom: none;
}

.article-title {
  font-size: 1.75rem;
  font-weight: 300;
  letter-spacing: 1px;
  margin-bottom: 1.5rem;
}

.article-content {
  font-size: 1.125rem;
  line-height: 2;
  color: var(--color-gray);
}

/* 图片懒加载样式 */
img[data-src] {
  opacity: 0;
  transition: opacity 0.5s ease-in;
}

img.loaded {
  opacity: 1;
}

/* 响应式设计 */
@media (max-width: 1024px) {
  .theme-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .grid-container {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
  }

  .section {
    padding: 5rem 1.5rem;
  }

  .carousel-caption {
    font-size: 2rem;
  }
}

@media (max-width: 768px) {
  .section-title {
    font-size: 2rem;
  }

  .grid-container {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
  }

  .filter-nav {
    gap: 1.5rem;
  }

  .carousel-caption {
    font-size: 1.5rem;
  }

  .theme-image {
    height: 400px;
  }
}

@media (max-width: 480px) {
  .section {
    padding: 3rem 1rem;
  }

  .section-title {
    font-size: 1.5rem;
  }

  .grid-container {
    grid-template-columns: 1fr;
  }

  .carousel-caption {
    font-size: 1.25rem;
  }
}

/* 动画效果 */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translate(-50%, 20px);
  }
  to {
    opacity: 1;
    transform: translate(-50%, 0);
  }
}

@keyframes scrollDown {
  0% {
    opacity: 1;
    transform: translate(-50%, 0);
  }
  50% {
    opacity: 0.5;
    transform: translate(-50%, 10px);
  }
  100% {
    opacity: 1;
    transform: translate(-50%, 0);
  }
}

/* 加载状态 */
.loading {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-primary);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  opacity: 1;
  transition: opacity 0.5s ease-out;
}

.loading.hidden {
  opacity: 0;
  pointer-events: none;
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 2px solid var(--color-light-gray);
  border-top-color: var(--color-dark);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}