/* Logo Loop - 徽标循环效果 */
.logoloop {
  position: relative;
  overflow-x: hidden;
  --logoloop-gap: 40px;
  --logoloop-logoHeight: 60px;
  --logoloop-fadeColorAuto: #0a0e27;
  padding: 0;
  margin: 0;
}

@media (prefers-color-scheme: dark) {
  .logoloop {
    --logoloop-fadeColorAuto: #0b0b0b;
  }
}

.logoloop--scale-hover {
  padding-top: calc(var(--logoloop-logoHeight) * 0.1);
  padding-bottom: calc(var(--logoloop-logoHeight) * 0.1);
}

.logoloop__track {
  display: flex;
  width: max-content;
  will-change: transform;
  user-select: none;
}

.logoloop__list {
  display: flex;
  align-items: center;
  gap: 0;
}

.logoloop__item {
  flex: 0 0 auto;
  margin-right: var(--logoloop-gap);
  font-size: var(--logoloop-logoHeight);
  line-height: 1;
}

.logoloop__item:last-child {
  margin-right: var(--logoloop-gap);
}

.logoloop__item img {
  height: var(--logoloop-logoHeight);
  width: auto;
  max-width: 120px;
  display: block;
  object-fit: contain;
  image-rendering: -webkit-optimize-contrast;
  -webkit-user-drag: none;
  pointer-events: none;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  filter: none; /* 保持彩色显示 */
  opacity: 0.8; /* 调整透明度 */
}

.logoloop--scale-hover .logoloop__item {
  overflow: visible;
}

.logoloop--scale-hover .logoloop__item:hover img {
  transform: scale(1.2);
  transform-origin: center center;
  filter: none; /* 保持彩色显示 */
  opacity: 1;
}

.logoloop__link {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  border-radius: 4px;
  transition: opacity 0.2s ease;
}

.logoloop__link:hover {
  opacity: 0.9;
}

.logoloop__link:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* 渐变淡出效果 */
.logoloop--fade::before,
.logoloop--fade::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: clamp(60px, 15%, 180px);
  pointer-events: none;
  z-index: 1;
}

.logoloop--fade::before {
  left: 0;
  background: linear-gradient(
    to right,
    var(--logoloop-fadeColor, var(--logoloop-fadeColorAuto)) 0%,
    rgba(10, 14, 39, 0) 100%
  );
}

.logoloop--fade::after {
  right: 0;
  background: linear-gradient(
    to left,
    var(--logoloop-fadeColor, var(--logoloop-fadeColorAuto)) 0%,
    rgba(10, 14, 39, 0) 100%
  );
}

/* 响应式 */
@media (max-width: 768px) {
  .logoloop {
    --logoloop-gap: 32px;
    --logoloop-logoHeight: 48px;
  }
}

@media (max-width: 480px) {
  .logoloop {
    --logoloop-gap: 24px;
    --logoloop-logoHeight: 40px;
  }
}

/* 减少动画偏好 */
@media (prefers-reduced-motion: reduce) {
  .logoloop__track {
    transform: translate3d(0, 0, 0) !important;
  }

  .logoloop__item img {
    transition: none !important;
  }
}