/* 引入思源黑体 */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500&display=swap');

/* 全局变量定义 */
:root {
  --color-oatmeal: #E8E0D5;
  --color-terracotta: #B8A38D;
  --font-main: 'Helvetica Neue', 'Noto Sans SC', system-ui, sans-serif;
}

/* 基础样式重置与排版 */
body {
  font-family: var(--font-main);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  letter-spacing: 0.02em;
  color: #2C2C2C;
  background-color: #FFFFFF;
}

/* 极简滚动条设计 */
::-webkit-scrollbar {
  width: 5px;
  height: 5px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: #E5E7EB;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #D1D5DB;
}

/* 导航交互动画 */
.nav-link {
  position: relative;
  display: inline-block;
}
.nav-link::after {
  content: '';
  position: absolute;
  width: 0;
  height: 1px;
  bottom: -4px;
  left: 50%;
  transform: translateX(-50%);
  background-color: #000;
  transition: width 0.3s ease-in-out;
}
.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* 视觉动效 */
.fade-enter {
  opacity: 0;
  animation: fadeIn 1s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.slide-up-enter {
  opacity: 0;
  transform: translateY(30px);
  animation: slideUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

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

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

/* 动画延迟控制 */
.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }
.delay-500 { animation-delay: 0.5s; }

/* 图片悬停与容器 */
.img-zoom-container {
  overflow: hidden;
  position: relative;
}
.img-zoom {
  transition: transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: transform;
}
.img-zoom-container:hover .img-zoom {
  transform: scale(1.03);
}

/* 瀑布流布局辅助类 */
.masonry-grid {
  column-count: 1;
  column-gap: 1.5rem;
}
@media (min-width: 640px) {
  .masonry-grid { column-count: 2; }
}
@media (min-width: 1024px) {
  .masonry-grid { column-count: 3; }
}
.masonry-item {
  break-inside: avoid;
  margin-bottom: 1.5rem;
}

/* 文本截断 */
.line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* 动态槽位预留样式 */
[data-slot] {
  display: contents;
}