/* 官网动效：中等强度 — 不改结构，仅 CSS + 轻量 JS */

@media (prefers-reduced-motion: reduce) {
  .fx-hero-in,
  .hero-shot {
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
  .fx-reveal.fx-stat-item.fx-reveal--in {
    animation: none !important;
  }
  .fx-reveal,
  .shot-card img,
  .step-card img,
  .tech-adv-card__img,
  #section1 .img-icon,
  #section3 .img-icon {
    opacity: 1 !important;
    transform: none !important;
  }
}

@keyframes fxHeroIn {
  from {
    opacity: 0;
    transform: translateY(32px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.fx-hero-in {
  animation: fxHeroIn 0.72s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes fxHeroFloat {
  0%,
  100% {
    transform: translateY(0) scale(1);
    box-shadow: 0 24px 60px rgba(0, 67, 150, 0.22);
  }
  50% {
    transform: translateY(-14px) scale(1.012);
    box-shadow: 0 32px 72px rgba(0, 67, 150, 0.28);
  }
}

.hero-shot.fx-hero-in,
.hero-carousel.fx-hero-in {
  animation:
    fxHeroIn 0.72s cubic-bezier(0.22, 1, 0.36, 1) both,
    fxHeroFloat 4s ease-in-out 0.8s infinite;
}

.hero-carousel {
  position: relative;
}

.hero-carousel__viewport {
  position: relative;
  overflow: hidden;
  touch-action: pan-y pinch-zoom;
  cursor: grab;
  user-select: none;
  -webkit-user-drag: none;
}

.hero-carousel__viewport.is-dragging {
  cursor: grabbing;
}

.hero-carousel__slide {
  margin: 0;
  opacity: 0;
  transition: opacity 0.55s cubic-bezier(0.22, 1, 0.36, 1);
  pointer-events: none;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
}

.hero-carousel__slide.is-active {
  position: relative;
  opacity: 1;
  pointer-events: auto;
  z-index: 1;
}

.hero-carousel__slide img {
  width: 100%;
  display: block;
  vertical-align: top;
  pointer-events: none;
  -webkit-user-drag: none;
  user-select: none;
}

.hero-carousel__dots {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 8px;
  z-index: 2;
  display: flex;
  justify-content: center;
  gap: 6px;
  margin: 0;
  padding: 0;
  pointer-events: none;
}

.hero-carousel__dot {
  width: 6px;
  height: 6px;
  border: 0;
  border-radius: 999px;
  padding: 0;
  background: rgba(255, 255, 255, 0.55);
  box-shadow: 0 0 0 1px rgba(0, 67, 150, 0.18);
  cursor: pointer;
  pointer-events: auto;
  transition: width 0.25s ease, background-color 0.25s ease;
}

.hero-carousel__dot.is-active {
  width: 16px;
  background: #004396;
  box-shadow: none;
}

.fx-reveal {
  opacity: 0;
  transform: translateY(36px) scale(0.98);
  transition:
    opacity 0.72s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.72s cubic-bezier(0.22, 1, 0.36, 1);
  transition-delay: var(--fx-delay, 0s);
  will-change: opacity, transform;
}

.fx-reveal.fx-reveal--left {
  transform: translateX(-48px) translateY(20px) scale(0.98);
}

.fx-reveal.fx-reveal--right {
  transform: translateX(48px) translateY(20px) scale(0.98);
}

.fx-reveal.fx-reveal--zoom {
  transform: translateY(28px) scale(0.88);
}

.fx-reveal.fx-reveal--fade {
  transform: translateY(12px) scale(1);
}

.fx-reveal.fx-stat-item {
  opacity: 0;
  transform: translateY(40px) scale(0.82);
  transition: none;
}

.fx-reveal.fx-stat-item.is-stat-static {
  opacity: 1;
  transform: none;
  animation: none;
}

.fx-reveal.fx-stat-item.fx-reveal--in {
  opacity: 1;
  animation: fxStatIn 1.05s cubic-bezier(0.22, 1, 0.36, 1) both;
  animation-delay: var(--fx-delay, 0s);
}

@keyframes fxStatIn {
  from {
    opacity: 0;
    transform: translateY(56px) scale(0.78);
  }
  60% {
    opacity: 1;
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.fx-reveal--in:not(.fx-stat-item) {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.fx-reveal.fx-reveal--fade.fx-reveal--in {
  transform: translateY(0) scale(1);
}

.step-card img,
.shot-card img,
.tech-adv-card__img {
  transition: transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
  transition-delay: calc(var(--fx-delay, 0s) + 0.06s);
}

.fx-reveal--left.step-card img,
.fx-reveal--right.step-card img {
  transform: scale(1.05);
}

.fx-reveal--zoom.shot-card img,
.fx-reveal--zoom.tech-adv-card .tech-adv-card__img {
  transform: scale(1.12);
}

.step-card.fx-reveal--in img,
.shot-card.fx-reveal--in img,
.tech-adv-card.fx-reveal--in .tech-adv-card__img {
  transform: scale(1);
}

.step-card,
.shot-card,
.tech-adv-card {
  transition:
    transform 0.28s ease,
    box-shadow 0.28s ease;
}

.tech-adv-card.fx-reveal--in:hover {
  transform: translateY(-6px) scale(1.02);
  box-shadow: 0 18px 40px rgba(0, 67, 150, 0.14);
}

.tech-adv-card.fx-reveal--in:hover .tech-adv-card__img {
  transform: scale(1.04);
}

.step-card:hover,
.step-card.fx-reveal--in:hover {
  transform: translateY(-6px) scale(1.01);
  box-shadow: 0 16px 36px rgba(0, 67, 150, 0.12);
}

.shot-card {
  overflow: hidden;
}

.shot-card img {
  transition: transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

.shot-card:hover,
.shot-card.fx-reveal--in:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 20px 48px rgba(0, 67, 150, 0.18);
}

.shot-card:hover img,
.shot-card.fx-reveal--in:hover img {
  transform: scale(1.04);
}

.cap-card:hover,
.tier-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 32px rgba(0, 67, 150, 0.1);
}

.cap-card,
.tier-card {
  transition:
    transform 0.28s ease,
    box-shadow 0.28s ease;
}

#section1 .shadow-sm,
#section3 .shadow-sm {
  transition:
    transform 0.28s ease,
    box-shadow 0.28s ease;
}

#section1 .shadow-sm .img-icon,
#section3 .shadow-sm .img-icon {
  transition: transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
  transition-delay: calc(var(--fx-delay, 0s) + 0.08s);
}

#section1 .fx-reveal--left .img-icon,
#section1 .fx-reveal--right .img-icon,
#section3 .fx-reveal--left .img-icon,
#section3 .fx-reveal--right .img-icon {
  transform: scale(1.12) rotate(-6deg);
}

#section1 .fx-reveal--in .img-icon,
#section3 .fx-reveal--in .img-icon {
  transform: scale(1) rotate(0);
}

#section1 .fx-reveal--in:hover,
#section3 .fx-reveal--in:hover {
  transform: translateY(-6px) scale(1.01);
  box-shadow: 0 16px 36px rgba(0, 67, 150, 0.12);
}

#downHero,
#section-hero a[href='#section-license'] {
  transition:
    transform 0.15s ease,
    opacity 0.15s ease;
}

#downHero:active {
  transform: scale(0.98);
}

.nav-link-base {
  transition: background-color 0.2s ease, opacity 0.2s ease;
}