/* 全局样式 */
body {
  scroll-behavior: smooth;
}

/* 滚动画廊基础样式 */
.logo-gallery-wrapper {
  overflow: hidden;
  position: relative;
}

.logo-gallery {
  display: flex;
  width: max-content;
  animation: scrollX 40s linear infinite;
  will-change: transform;
}

.logo-gallery:hover {
  animation-play-state: paused;
}

.logo-item {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-item img {
  height: 64px;
  width: auto;
  max-width: 200px;
  object-fit: contain;
  filter: grayscale(100%);
  transition: all 0.3s ease;
  padding: 8px;
}

.logo-item img:hover {
  filter: grayscale(0);
  transform: scale(1.05);
}

/* 动画定义 */
@keyframes scrollX {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* 响应式调整 */
@media (max-width: 768px) {
  .logo-item img {
    height: 48px;
  }
  
  .logo-gallery {
    animation-duration: 60s;
  }
}

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

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

::-webkit-scrollbar-thumb {
  background: #00BCD4;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #0097A7;
}

/* 表单元素聚焦效果 */
input:focus,
select:focus,
textarea:focus {
  box-shadow: 0 0 0 2px rgba(0, 188, 212, 0.2);
}

/* 按钮悬停效果增强 */
button:hover,
a.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

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

.card-hover:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

/* 导航栏滚动效果 */
header.scrolled {
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(5px);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

/* 动画延迟类 */
.delay-100 { transition-delay: 100ms; }
.delay-200 { transition-delay: 200ms; }
.delay-300 { transition-delay: 300ms; }
.delay-400 { transition-delay: 400ms; }
.delay-500 { transition-delay: 500ms; }

/* 自定义间距 */
.section-spacing {
  padding-top: clamp(2rem, 5vw, 3.5rem);
  padding-bottom: clamp(2rem, 5vw, 3.5rem);
}

/* 图片悬停放大效果 */
.hover-zoom {
  overflow: hidden;
}

.hover-zoom img {
  transition: transform 0.5s ease;
}

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

/* 页面加载动画 */
.page-loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: white;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  transition: opacity 0.5s ease;
}

.page-loader.hidden {
  opacity: 0;
  pointer-events: none;
}

.spinner {
  width: 50px;
  height: 50px;
  border: 5px solid #f3f3f3;
  border-top: 5px solid #00BCD4;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}