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

/* 自定义动画 */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes subtle-zoom {
  from { transform: scale(1); }
  to { transform: scale(1.05); }
}

/* 动画类 */
.fade-in {
  animation: fadeIn 0.8s ease-out forwards;
}

.hover-zoom:hover {
  animation: subtle-zoom 0.3s ease-in-out forwards;
}

/* 图片加载动画 */
.image-loading {
  filter: blur(10px);
  transition: filter 0.5s ease;
}

.image-loaded {
  filter: blur(0);
}

/* 瀑布流布局 */
.masonry-grid {
  column-count: 3;
  column-gap: 1rem;
}

@media (max-width: 1024px) {
  .masonry-grid {
    column-count: 2;
  }
}

@media (max-width: 640px) {
  .masonry-grid {
    column-count: 1;
  }
}

.masonry-item {
  break-inside: avoid;
  margin-bottom: 1rem;
}

/* 视差滚动效果 */
.parallax {
  transform: translateZ(0);
  will-change: transform;
}

/* 微光按钮效果 */
.glow-button {
  position: relative;
  overflow: hidden;
}

.glow-button::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

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

/* 响应式字体 */
.responsive-text {
  font-size: clamp(1.5rem, 4vw, 3rem);
}

/* 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;
}