/* 全局字体设置 - 遵循现代极简风格 */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Noto+Sans+SC:wght@300;400;500;700&display=swap');

:root {
  --color-black: #000000;
  --color-white: #FFFFFF;
  --color-dark-gray: #333333;
  --color-accent-blue: #0A2463;
  --color-accent-green: #0A5C36;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background-color: var(--color-white);
  color: var(--color-black);
  overflow-x: hidden;
}

/* 标题字体优化 */
h1, h2, h3, h4, h5, h6 {
  letter-spacing: -0.02em;
}

/* 极简滚动条设计 */
::-webkit-scrollbar {
  width: 4px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background-color: #e5e5e5;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background-color: #a3a3a3;
}

/* 自定义动画工具类 */
.animate-fade-in-up {
  animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  opacity: 0;
  transform: translateY(20px);
}

.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }
.delay-500 { animation-delay: 0.5s; }

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

/* 图片悬停缩放效果容器 */
.img-container {
  overflow: hidden;
}

.img-zoom {
  transition: transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

/* 文本选择颜色 - 深蓝点缀 */
::selection {
  background: var(--color-accent-blue);
  color: var(--color-white);
}

/* 辅助类：绝对居中 */
.center-absolute {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

/* 动态槽位占位符样式 */
.content-slot {
  min-height: 100px;
  border: 1px dashed #e5e5e5;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #9ca3af;
  font-size: 0.875rem;
  margin: 1rem 0;
}