:root {
  --motion-ease: cubic-bezier(.22, 1, .36, 1);
  --motion-ease-soft: cubic-bezier(.25, .8, .25, 1);
  --motion-duration: 620ms;
}

/* 首屏採分段進場，位移保持克制，避免干擾閱讀。 */
.motion-ready .hero .pill,
.motion-ready .hero h1,
.motion-ready .hero .hero-sub,
.motion-ready .hero .actions,
.motion-ready .inner-hero .breadcrumb,
.motion-ready .inner-hero h1,
.motion-ready .inner-hero .lead,
.motion-ready .inner-hero .badges,
.motion-ready .inner-hero .article-meta,
.motion-ready .service-hero .breadcrumb,
.motion-ready .service-hero h1,
.motion-ready .service-hero .lead {
  opacity: 0;
  transform: translate3d(0, 16px, 0);
  will-change: opacity, transform;
}

.motion-ready.motion-started .hero .pill,
.motion-ready.motion-started .hero h1,
.motion-ready.motion-started .hero .hero-sub,
.motion-ready.motion-started .hero .actions,
.motion-ready.motion-started .inner-hero .breadcrumb,
.motion-ready.motion-started .inner-hero h1,
.motion-ready.motion-started .inner-hero .lead,
.motion-ready.motion-started .inner-hero .badges,
.motion-ready.motion-started .inner-hero .article-meta,
.motion-ready.motion-started .service-hero .breadcrumb,
.motion-ready.motion-started .service-hero h1,
.motion-ready.motion-started .service-hero .lead {
  animation: ty-hero-in 700ms var(--motion-ease) forwards;
}

.motion-ready.motion-started .hero h1,
.motion-ready.motion-started .inner-hero h1 { animation-delay: 90ms; }
.motion-ready.motion-started .hero .hero-sub,
.motion-ready.motion-started .inner-hero .lead { animation-delay: 180ms; }
.motion-ready.motion-started .hero .actions,
.motion-ready.motion-started .inner-hero .badges,
.motion-ready.motion-started .inner-hero .article-meta { animation-delay: 270ms; }

@keyframes ty-hero-in {
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

/* 捲動顯示：只有 JavaScript 已建立標記時才隱藏，無 JS 時內容永遠可讀。 */
.motion-ready [data-reveal] {
  opacity: 0;
  will-change: opacity, transform;
  transition:
    opacity var(--motion-duration) var(--motion-ease),
    transform var(--motion-duration) var(--motion-ease);
  transition-delay: calc(var(--reveal-order, 0) * 72ms);
}

.motion-ready [data-reveal="fade-up"] { transform: translate3d(0, 28px, 0); }
.motion-ready [data-reveal="fade-left"] { transform: translate3d(26px, 18px, 0); }
.motion-ready [data-reveal="fade-right"] { transform: translate3d(-26px, 18px, 0); }

.motion-ready [data-reveal].is-visible {
  opacity: 1;
  transform: translate3d(0, 0, 0) scale(1);
}

.media-card {
  isolation: isolate;
}

.btn:not(.btn-disabled) {
  position: relative;
}

.ast-desktop .main-header-menu > .menu-item:hover > .sub-menu,
.ast-desktop .main-header-menu > .menu-item:focus-within > .sub-menu {
  transform-origin: top center;
  animation: ty-menu-in 220ms var(--motion-ease-soft);
}

@keyframes ty-menu-in {
  from { opacity: 0; transform: translate3d(0, -7px, 0) scale(.985); }
  to { opacity: 1; transform: translate3d(0, 0, 0) scale(1); }
}

.faq details[open] p {
  animation: ty-faq-in 340ms var(--motion-ease-soft);
}

@keyframes ty-faq-in {
  from { opacity: 0; transform: translate3d(0, -5px, 0); }
  to { opacity: 1; transform: translate3d(0, 0, 0); }
}

@media (max-width: 767px) {
  :root { --motion-duration: 560ms; }
  .motion-ready [data-reveal="fade-up"],
  .motion-ready [data-reveal="fade-left"],
  .motion-ready [data-reveal="fade-right"],
  .motion-ready [data-reveal="zoom-soft"] {
    transform: translate3d(0, 16px, 0);
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto !important; }
  .motion-ready *,
  .motion-ready *::before,
  .motion-ready *::after {
    animation-duration: .01ms !important;
    animation-delay: 0ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
    transition-delay: 0ms !important;
  }
  .motion-ready [data-reveal],
  .motion-ready .hero .pill,
  .motion-ready .hero h1,
  .motion-ready .hero .hero-sub,
  .motion-ready .hero .actions,
  .motion-ready .inner-hero .breadcrumb,
  .motion-ready .inner-hero h1,
  .motion-ready .inner-hero .lead,
  .motion-ready .inner-hero .badges,
  .motion-ready .inner-hero .article-meta,
  .motion-ready .service-hero .breadcrumb,
  .motion-ready .service-hero h1,
  .motion-ready .service-hero .lead {
    opacity: 1 !important;
    transform: none !important;
    filter: none !important;
  }
}