/* 全局样式重置与基础配置 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  overflow-x: hidden;
}

/* Tailwind配置 */
@layer utilities {
  .text-balance {
    text-wrap: balance;
  }
}

/* 平滑滚动 */
html {
  scroll-behavior: smooth;
}

/* 导航栏动画 */
.main-nav {
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
}

/* 图片悬停效果 */
.hover-zoom {
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
}

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

.hover-zoom img {
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* 轮播图动画 */
.carousel-slide {
  animation: fadeIn 1s ease-in-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* 视差滚动效果 */
.parallax {
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 卡片悬停阴影 */
.card-hover {
  transition: all 0.3s ease;
}

.card-hover:hover {
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  transform: translateY(-4px);
}

/* 文字渐入动画 */
.fade-up {
  animation: fadeUp 0.8s ease-out;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 按钮交互 */
.btn-hover {
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}

.btn-hover::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn-hover:hover::before {
  width: 300px;
  height: 300px;
}

/* 图片蒙层效果 */
.overlay {
  position: relative;
  overflow: hidden;
}

.overlay::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.6) 100%);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.overlay:hover::after {
  opacity: 1;
}

/* 网格布局响应式 */
.grid-responsive {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

/* 移动端优化 */
@media (max-width: 768px) {
  .grid-responsive {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .text-mobile {
    font-size: 0.875rem;
  }
  
  .hide-mobile {
    display: none;
  }
}

/* 平板优化 */
@media (min-width: 768px) and (max-width: 1024px) {
  .grid-responsive {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* 页面过渡 */
.page-transition {
  animation: pageSlideIn 0.5s ease-out;
}

@keyframes pageSlideIn {
  from {
    opacity: 0;
    transform: translateX(20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* 滚动指示器 */
.scroll-indicator {
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-10px);
  }
  60% {
    transform: translateY(-5px);
  }
}

/* 图片懒加载占位 */
.img-placeholder {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
}

@keyframes loading {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

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

::-webkit-scrollbar-track {
  background: #f8f8f8;
}

::-webkit-scrollbar-thumb {
  background: #d4a799;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #b08a7e;
}

/* 选中文本样式 */
::selection {
  background: #d4a799;
  color: white;
}

/* 无障碍聚焦样式 */
:focus-visible {
  outline: 2px solid #d4a799;
  outline-offset: 2px;
}