/* 首页轮播（全屏） */
.home-carousel {
  position: relative;
  width: 100%;
  overflow: hidden;
  background: #152238;
}

.home-carousel__viewport {
  position: relative;
  width: 100%;
  height: 100vh;
  height: 100dvh;
  min-height: 480px;
}

/* 首页：轮播占满首屏，顶栏浮于其上 */
body[data-nav="home"] .home-carousel__viewport {
  max-height: none;
  aspect-ratio: unset;
}

/* 非首页若复用轮播组件时保留适中高度 */
body:not([data-nav="home"]) .home-carousel__viewport {
  aspect-ratio: 21 / 9;
  height: auto;
  min-height: 280px;
  max-height: 520px;
}

/* 首页横幅：高度对齐内页 page-hero，非全屏 */
.home-carousel--compact .home-carousel__viewport,
body[data-nav="home"] .home-carousel--compact .home-carousel__viewport,
body:not([data-nav="home"]) .home-carousel--compact .home-carousel__viewport {
  height: calc(clamp(300px, 48vw, 560px) + var(--header-height));
  min-height: calc(300px + var(--header-height));
  max-height: none;
  aspect-ratio: unset;
}

@media (min-width: 768px) {
  .home-carousel--compact .home-carousel__viewport,
  body[data-nav="home"] .home-carousel--compact .home-carousel__viewport,
  body:not([data-nav="home"]) .home-carousel--compact .home-carousel__viewport {
    min-height: calc(380px + var(--header-height));
    height: calc(clamp(380px, 52vw, 620px) + var(--header-height));
  }
}

.home-carousel__track {
  display: flex;
  flex-wrap: nowrap;
  width: 100%;
  height: 100%;
  transition: transform 0.55s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: transform;
}

.home-carousel__slide {
  position: relative;
  flex: 0 0 100%;
  width: 100%;
  max-width: 100%;
  height: 100%;
  box-sizing: border-box;
}

.home-carousel__slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.home-carousel__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    rgba(0, 0, 0, 0.55) 0%,
    rgba(0, 0, 0, 0.25) 45%,
    rgba(0, 0, 0, 0.1) 100%
  );
  display: flex;
  align-items: center;
  pointer-events: none;
}

.home-carousel__content {
  pointer-events: auto;
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--space-5) var(--container-pad);
  color: #fff;
}

body[data-nav="home"] .home-carousel__content {
  padding-top: calc(var(--header-height) + var(--space-6));
  padding-bottom: calc(var(--space-7) + 36px);
}

.home-carousel__title {
  font-size: clamp(22px, 4vw, 40px);
  font-weight: 700;
  line-height: 1.25;
  margin-top: 0;
  margin-bottom: var(--space-3);
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.35);
}

.home-carousel__subtitle {
  font-size: clamp(14px, 2vw, 18px);
  line-height: 1.55;
  max-width: 32em;
  opacity: 0.95;
  margin-bottom: var(--space-5);
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.3);
}

.home-carousel__actions .btn--primary {
  box-shadow: 0 4px 14px rgba(var(--color-primary-rgb), 0.45);
}

.home-carousel__btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 3;
  width: 44px;
  height: 44px;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.92);
  color: var(--color-text);
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  transition: background var(--transition), transform var(--transition);
}

.home-carousel__btn:hover {
  background: #fff;
  transform: translateY(-50%) scale(1.05);
}

.home-carousel__btn--prev {
  left: var(--space-4);
}

.home-carousel__btn--next {
  right: var(--space-4);
}

@media (max-width: 575px) {
  .home-carousel__btn {
    width: 36px;
    height: 36px;
    font-size: 18px;
  }
  .home-carousel__btn--prev {
    left: var(--space-2);
  }
  .home-carousel__btn--next {
    right: var(--space-2);
  }
}

.home-carousel__dots {
  position: absolute;
  bottom: var(--space-4);
  left: 0;
  right: 0;
  z-index: 5;
  display: flex;
  justify-content: center;
  gap: var(--space-2);
}

/* 首屏下滑提示：在圆点上方，不遮挡切换圆点 */
.home-carousel__scroll-hint {
  position: absolute;
  left: 50%;
  bottom: calc(var(--space-4) + 1.75rem);
  z-index: 4;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  width: max-content;
  max-width: calc(100% - 2rem);
  margin: 0;
  padding: 0.35rem 0.75rem;
  border: 0;
  background: transparent;
  color: #fff;
  cursor: pointer;
  font: inherit;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  transform: translateX(-50%);
  transition: opacity 0.35s ease, visibility 0.35s ease;
}

.home-carousel__scroll-hint.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.home-carousel__scroll-hint-text {
  text-shadow: 0 1px 10px rgba(0, 0, 0, 0.55);
}

.home-carousel__scroll-hint-icon {
  display: block;
  line-height: 0;
  filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.45));
  /* 动画挂在子元素，避免父级 translateX 干扰 */
  animation: home-carousel-scroll-bounce 1.2s cubic-bezier(0.45, 0.05, 0.55, 0.95) infinite;
  will-change: transform, opacity;
}

.home-carousel__scroll-hint:hover {
  color: #fff;
}

.home-carousel__scroll-hint:hover .home-carousel__scroll-hint-icon {
  animation-duration: 0.9s;
}

.home-carousel__scroll-hint:focus-visible {
  outline: 2px solid rgba(255, 255, 255, 0.85);
  outline-offset: 4px;
  border-radius: 4px;
}

@keyframes home-carousel-scroll-bounce {
  0% {
    transform: translate3d(0, 0, 0);
    opacity: 0.45;
  }
  40% {
    transform: translate3d(0, 12px, 0);
    opacity: 1;
  }
  70% {
    transform: translate3d(0, 4px, 0);
    opacity: 0.85;
  }
  100% {
    transform: translate3d(0, 0, 0);
    opacity: 0.45;
  }
}

@media (prefers-reduced-motion: reduce) {
  .home-carousel__scroll-hint-icon {
    animation: home-carousel-scroll-pulse 1.8s ease-in-out infinite;
  }
}

@keyframes home-carousel-scroll-pulse {
  0%,
  100% {
    opacity: 0.5;
  }
  50% {
    opacity: 1;
  }
}

.home-carousel__dot {
  width: 10px;
  height: 10px;
  padding: 0;
  border: 2px solid rgba(255, 255, 255, 0.85);
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}

.home-carousel__dot.is-active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  transform: scale(1.15);
}

.home-carousel__dot:hover {
  background: rgba(255, 255, 255, 0.6);
}