/* 合作伙伴轮播样式优化 */
:root {
  --partner-item-height: 320px;
  --partner-item-width: 250px;
  --partner-duration: 30s;
  --partner-items: 10;
}

/* 轮播容器样式 */
.partner-carousel {
  position: relative;
  width: 100%;
  overflow: hidden;
  padding: 30px 0;
  
  border-radius: 8px;
}

/* 轮播标题样式 */
.partner-carousel .index-tlt1 {
  margin-bottom: 40px;
}

/* 轮播轨道样式 */
.partner-track {
  display: flex;
  width: calc(var(--partner-item-width) * var(--partner-items) * 2);
  animation: scroll var(--partner-duration) linear infinite;
}

.partner-track:hover {
  animation-play-state: paused;
}

.partner-track[data-direction="reverse"] {
  animation-direction: reverse;
}

/* 上半部分轨道（第一个轨道）图片变暗 */
.partner-track:first-of-type .partner-item img {
  filter: brightness(0.5) contrast(1.05);
  transition: filter 0.3s ease;
}

/* 悬停时恢复正常亮度，增强交互体验 */
.partner-track:first-of-type .partner-item:hover img {
  filter: brightness(1) contrast(1);
}

/* 轮播项目样式 */
.partner-item {
  flex: 0 0 var(--partner-item-width);
  height: var(--partner-item-height);
  padding: 10px;
  transition: all 0.3s ease;
}

.partner-item a {
  display: block;
  height: 100%;
  overflow: hidden;
  border-radius: 6px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
  /*background-color: #fff;*/
}

.partner-item img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 10px;
  transition: transform 0.3s ease;
}

/* 悬停效果 */
.partner-item:hover {
  transform: translateY(-5px);
}

.partner-item:hover a {
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

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

/* 无缝滚动动画 */
@keyframes scroll {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(calc(var(--partner-item-width) * var(--partner-items) * -1));
  }
}

/* 渐变遮罩效果
.partner-mask {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, 
    rgba(249, 249, 249, 1) 0%, 
    rgba(249, 249, 249, 0) 5%, 
    rgba(249, 249, 249, 0) 95%, 
    rgba(249, 249, 249, 1) 100%);
  pointer-events: none;
}  */

/* 响应式调整 */
@media (max-width: 1200px) {
  :root {
    /*--partner-item-width: 160px;*/
  --partner-item-height: 320px;
  --partner-item-width: 250px;
  --partner-duration: 30s;
  --partner-items: 10;
  }
}

@media (max-width: 768px) {
  :root {
    /*--partner-item-width: 140px;
    --partner-item-height: 80px;*/
  --partner-item-height: 320px;
  --partner-item-width: 250px;
  --partner-duration: 30s;
  --partner-items: 10;
  }
  
  .partner-carousel {
    padding: 20px 0;
  }
  
  .partner-carousel .index-tlt1 {
    margin-bottom: 20px;
  }
}

@media (max-width: 480px) {
  :root {
    /*--partner-item-width: 120px;
    --partner-item-height: 70px;*/
  --partner-item-height: 320px;
  --partner-item-width: 200px;
  --partner-duration: 30s;
  --partner-items: 10;
  }
}