/* 全局样式重置 */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* 设计令牌 */
:root {
  --color-primary: #f8f5f2;
  --color-text: #333333;
  --color-accent: #a8b5a0;
  --color-light: #ffffff;
  --font-chinese: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-english: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --border-radius: 8px;
  --transition: all 0.3s ease;
}

/* 基础样式 */
html {
  scroll-behavior: smooth;
}

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

/* 导航栏样式 */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(248, 245, 242, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  padding: 1rem 2rem;
  border-bottom: 1px solid rgba(168, 181, 160, 0.1);
}

.navbar-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.navbar-brand {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text);
  text-decoration: none;
}

.navbar-menu {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.navbar-menu a {
  color: var(--color-text);
  text-decoration: none;
  font-size: 0.95rem;
  transition: var(--transition);
  position: relative;
}

.navbar-menu a:hover {
  color: var(--color-accent);
}

.navbar-menu a::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: var(--transition);
}

.navbar-menu a:hover::after {
  width: 100%;
}

/* 主要内容区域 */
.main-content {
  margin-top: 80px;
  min-height: calc(100vh - 120px);
}

/* 英雄区域轮播 */
.hero-carousel {
  position: relative;
  width: 100%;
  height: 100vh;
  overflow: hidden;
}

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

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

.carousel-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.carousel-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  color: white;
  z-index: 2;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.carousel-title {
  font-size: 3rem;
  font-weight: 300;
  margin-bottom: 1rem;
  letter-spacing: 2px;
}

.carousel-subtitle {
  font-size: 1.2rem;
  font-weight: 300;
  opacity: 0.9;
}

.carousel-indicators {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 3;
}

.indicator {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: var(--transition);
}

.indicator.active {
  background: white;
  width: 30px;
  border-radius: 5px;
}

/* 信息卡片 */
.info-cards {
  padding: 4rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.card {
  position: relative;
  overflow: hidden;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.card-image {
  width: 100%;
  height: 250px;
  object-fit: cover;
  transition: var(--transition);
}

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

.card-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
  color: white;
  padding: 2rem;
}

.card-title {
  font-size: 1.5rem;
  font-weight: 400;
  margin-bottom: 0.5rem;
}

.card-description {
  font-size: 0.9rem;
  opacity: 0.9;
}

/* 瀑布流布局 */
.masonry {
  columns: 3;
  column-gap: 2rem;
  padding: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.masonry-item {
  break-inside: avoid;
  margin-bottom: 2rem;
  position: relative;
  overflow: hidden;
  border-radius: var(--border-radius);
}

.masonry-item img {
  width: 100%;
  height: auto;
  display: block;
  transition: var(--transition);
}

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

/* 网格布局 */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  padding: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.grid-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition);
}

.grid-item img {
  width: 100%;
  height: 350px;
  object-fit: cover;
  transition: var(--transition);
}

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

.grid-item:hover::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.1);
}

/* 关于我们页面 */
.about-section {
  max-width: 800px;
  margin: 4rem auto;
  padding: 0 2rem;
  text-align: center;
}

.about-title {
  font-size: 2.5rem;
  font-weight: 300;
  margin-bottom: 2rem;
  color: var(--color-text);
}

.about-content {
  display: flex;
  align-items: center;
  gap: 3rem;
  margin-bottom: 3rem;
}

.about-image {
  flex: 1;
  border-radius: var(--border-radius);
  overflow: hidden;
}

.about-image img {
  width: 100%;
  height: auto;
  display: block;
}

.about-text {
  flex: 1;
  text-align: left;
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--color-text);
}

.about-description {
  margin-bottom: 1.5rem;
}

/* 页脚 */
footer {
  background: var(--color-primary);
  text-align: center;
  padding: 2rem;
  border-top: 1px solid rgba(168, 181, 160, 0.1);
}

footer p {
  color: var(--color-text);
  font-size: 0.9rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .navbar-menu {
    flex-direction: column;
    gap: 1rem;
  }
  
  .carousel-title {
    font-size: 2rem;
  }
  
  .carousel-subtitle {
    font-size: 1rem;
  }
  
  .masonry {
    columns: 2;
  }
  
  .grid {
    grid-template-columns: 1fr;
  }
  
  .about-content {
    flex-direction: column;
  }
  
  .about-text {
    text-align: center;
  }
}

@media (max-width: 480px) {
  .masonry {
    columns: 1;
  }
  
  .cards-grid {
    grid-template-columns: 1fr;
  }
  
  .navbar-container {
    flex-direction: column;
    gap: 1rem;
  }
  
  .main-content {
    margin-top: 120px;
  }
}

/* 加载动画 */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeIn 0.6s ease forwards;
}

@keyframes fadeIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 滚动条样式 */
::-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: #8a9a85;
}