/* 自定义样式文件 - 补充Tailwind CSS */

/* 全局配置 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: #333;
  line-height: 1.6;
  overflow-x: hidden;
}

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

/* 导航栏固定样式 */
nav {
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

/* 图片容器 */
.image-container {
  position: relative;
  overflow: hidden;
}

.image-container img {
  transition: transform 0.6s ease, filter 0.3s ease;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 图片悬停效果 */
.image-container:hover img {
  transform: scale(1.05);
  filter: brightness(1.1);
}

/* 轮播图容器 */
.carousel-container {
  position: relative;
  width: 100%;
  height: 80vh;
  overflow: hidden;
}

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

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

/* 文本渐变效果 */
.gradient-text {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* 卡片阴影效果 */
.card-shadow {
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.card-shadow:hover {
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
  transform: translateY(-5px);
}

/* 网格布局优化 */
.grid-auto-fit {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

/* 按钮悬停效果 */
.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;
}

/* 分隔线样式 */
.divider {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
  margin: 2rem auto;
}

/* 响应式图片网格 */
.responsive-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

/* 页脚样式 */
footer {
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
  padding: 2rem 0;
  text-align: center;
  color: #666;
  font-size: 0.9rem;
  margin-top: 4rem;
}

/* 加载动画 */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(0, 0, 0, 0.1);
  border-radius: 50%;
  border-top-color: #667eea;
  animation: spin 1s linear infinite;
}

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

/* 淡入动画 */
.fade-in {
  animation: fadeIn 1s ease-in;
}

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

/* 移动端优化 */
@media (max-width: 768px) {
  .carousel-container {
    height: 60vh;
  }
  
  .responsive-grid {
    grid-template-columns: 1fr;
  }
  
  nav {
    padding: 1rem;
  }
}

/* 高分辨率屏幕优化 */
@media (min-width: 1920px) {
  .container {
    max-width: 1600px;
  }
}

/* 禁用文本选择（可选） */
.no-select {
  user-select: none;
}

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

::-webkit-scrollbar-track {
  background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
  background: #888;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #555;
}