/* Smooth wedding invitation — optimized for image scrolling */

:root {
  --paper: #f2ece4;
  --paper-soft: #f8f4ee;
  --paper-deep: #e5d8cb;
  --sage-light: #dce2d8;
  --sage: #687264;
  --sage-dark: #4e584c;
  --ink: #343a34;
  --ink-soft: #62665f;
  --cinnabar: #9a4f46;
  --cinnabar-dark: #783d37;
  --gold: #b49a68;
  --cream: #fbf8f3;
  --line: rgba(52, 58, 52, 0.16);
  --serif: "Noto Serif TC", "Songti TC", "PMingLiU", Georgia, serif;
  --sans: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  line-height: 1.8;
  letter-spacing: 0.04em;
  overflow-x: hidden;
}
body.modal-open { overflow: hidden; }
img { display: block; width: 100%; }

/*
  防止照片先顯示一幀再進入淡入動畫：
  HTML 頭部會在第一次繪製前加上 photo-motion-enabled。
*/
.photo-motion-enabled .photo-reveal:not(.motion-complete) {
  opacity: 0;
}

/* JavaScript 若異常，保底顯示所有照片。 */
.photo-motion-fallback .photo-reveal {
  opacity: 1 !important;
}
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
button:disabled { opacity: .65; cursor: wait; }
::selection { background: rgba(154, 79, 70, 0.22); }

.noscript {
  padding: 12px 18px;
  color: var(--cream);
  background: var(--cinnabar-dark);
  text-align: center;
}

.container { width: min(1120px, calc(100% - 40px)); margin-inline: auto; }
.container.narrow { width: min(760px, calc(100% - 40px)); }
.centered { text-align: center; }
.section { position: relative; padding: 112px 0; }

h1, h2, h3, p { margin-top: 0; }
h2 {
  margin-bottom: 24px;
  font-family: var(--serif);
  font-size: clamp(2rem, 5vw, 3.8rem);
  font-weight: 500;
  line-height: 1.35;
  letter-spacing: 0.08em;
}
h3 {
  font-family: var(--serif);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 500;
}
p { color: var(--ink-soft); }
.lead { font-size: clamp(1rem, 2vw, 1.18rem); }
.eyebrow {
  margin-bottom: 12px;
  color: var(--cinnabar);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.28em;
}
.eyebrow.light { color: rgba(251, 248, 243, 0.78); }
.section-heading { margin-bottom: 58px; }
.section-heading > p:last-child { max-width: 640px; margin-inline: auto; }

.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border: 1px solid transparent;
  border-radius: 999px;
  text-decoration: none;
  cursor: pointer;
  transition: transform .22s ease, background .22s ease, color .22s ease, border-color .22s ease;
}
.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--cream); background: var(--cinnabar); }
.button-primary:hover { background: var(--cinnabar-dark); }
.button-ghost { border-color: rgba(52,58,52,.23); color: var(--ink); background: transparent; }
.button-ghost:hover { background: rgba(52,58,52,.05); }
.button-cream { color: var(--sage-dark); background: var(--cream); }
.button-outline-light { color: var(--cream); border-color: rgba(251,248,243,.46); background: transparent; }
.text-link {
  display: inline-block;
  margin-top: 14px;
  color: var(--cinnabar-dark);
  font-weight: 700;
  text-underline-offset: 5px;
}

/* Welcome: intentionally no backdrop-filter. */
.welcome-layer {
  position: fixed;
  z-index: 1000;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 20px;
  background:
    linear-gradient(rgba(52,58,52,.84), rgba(52,58,52,.84)),
    var(--sage-dark);
  transition: opacity .45s ease, visibility .45s ease;
}
.welcome-layer.is-hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.welcome-card {
  position: relative;
  width: min(520px, 100%);
  padding: 54px 36px 42px;
  overflow: hidden;
  border: 1px solid rgba(180,154,104,.48);
  background: #f8f4ee;
  box-shadow: 0 18px 44px rgba(35, 33, 28, .22);
  text-align: center;
}
.welcome-card h1 {
  margin-bottom: 12px;
  font-family: var(--serif);
  font-size: clamp(1.7rem, 5vw, 2.6rem);
  font-weight: 500;
}
.welcome-card p:not(.eyebrow) { margin-bottom: 18px; }
.welcome-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.prepare-progress {
  height: 3px;
  margin: 0 auto 26px;
  overflow: hidden;
  background: rgba(52,58,52,.1);
}
.prepare-progress span {
  display: block;
  width: 0;
  height: 100%;
  background: var(--cinnabar);
  transition: width .2s ease;
}
.mini-grille {
  position: absolute;
  inset: 12px;
  border: 1px solid rgba(180,154,104,.28);
  pointer-events: none;
}
.mini-grille::before,
.mini-grille::after {
  content: "";
  position: absolute;
  width: 46px;
  height: 46px;
  border-color: rgba(154,79,70,.42);
  border-style: solid;
}
.mini-grille::before { left: 8px; top: 8px; border-width: 1px 0 0 1px; }
.mini-grille::after { right: 8px; bottom: 8px; border-width: 0 1px 1px 0; }

/* Hero */
.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  place-items: center;
  overflow: hidden;
  color: var(--cream);
  background: var(--sage-dark);
}
.hero-image {
  position: absolute;
  inset: 0;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(38,43,38,.30), rgba(38,43,38,.48)),
    linear-gradient(90deg, rgba(90,68,54,.1), transparent 50%, rgba(90,68,54,.1));
}
.hero-grille {
  position: absolute;
  width: min(78vmin, 680px);
  height: min(78vmin, 680px);
  color: rgba(248,244,238,.28);
}
.hero-content {
  position: relative;
  z-index: 2;
  padding: 32px;
  text-align: center;
  text-shadow: 0 3px 24px rgba(25,30,25,.34);
}
.couple-name {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: clamp(14px, 4vw, 42px);
  margin: 12px 0 22px;
  font-family: var(--serif);
  font-size: clamp(3.2rem, 11vw, 8.6rem);
  font-weight: 400;
  line-height: .95;
  letter-spacing: .03em;
}
.couple-name .amp { color: var(--paper-deep); font-size: .42em; font-style: italic; }
.double-happiness {
  width: 72px;
  height: 72px;
  display: grid;
  place-items: center;
  margin: 0 auto 18px;
  border: 1px solid rgba(251,248,243,.72);
  font-family: var(--serif);
  font-size: 2.6rem;
  line-height: 1;
}
.hero-date { margin-bottom: 2px; color: var(--cream); letter-spacing: .28em; }
.hero-subtitle { color: rgba(251,248,243,.82); }
.scroll-hint {
  position: absolute;
  z-index: 3;
  bottom: 30px;
  left: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: rgba(251,248,243,.8);
  font-size: .62rem;
  letter-spacing: .25em;
  text-decoration: none;
  transform: translateX(-50%);
}
.scroll-hint i {
  width: 1px;
  height: 42px;
  background: linear-gradient(var(--cream), transparent);
  animation: scrollPulse 1.8s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%,100% { opacity: .35; transform: scaleY(.65); transform-origin: top; }
  50% { opacity: 1; transform: scaleY(1); }
}

/* Invitation */
.invitation-section { background: var(--paper-soft); }
.corner {
  position: absolute;
  top: 44px;
  width: 118px;
  height: 118px;
  opacity: .34;
}
.corner::before, .corner::after { content:""; position:absolute; border-color: var(--gold); border-style: solid; }
.corner::before { inset: 0; }
.corner::after { inset: 18px; }
.corner-left { left: 36px; }
.corner-left::before, .corner-left::after { border-width: 1px 0 0 1px; }
.corner-right { right: 36px; }
.corner-right::before, .corner-right::after { border-width: 1px 1px 0 0; }
.seal {
  width: 70px;
  height: 70px;
  display: grid;
  place-items: center;
  margin: 34px auto 0;
  color: var(--cream);
  background: var(--cinnabar);
  font-family: var(--serif);
  font-size: 2.2rem;
  transform: rotate(-3deg);
}

/* Couple */
.couple-section { background: var(--paper); }
.couple-grid {
  display: grid;
  grid-template-columns: 1fr 110px 1fr;
  align-items: center;
  gap: 42px;
}
.person-card { text-align: center; }
.person-photo-wrap {
  position: relative;
  width: min(390px, 100%);
  aspect-ratio: 4 / 5;
  margin: 0 auto 30px;
  padding: 12px;
  border: 1px solid rgba(180,154,104,.52);
  contain: paint;
}
.person-photo-wrap::after {
  content:"";
  position:absolute;
  inset: 23px -13px -13px 23px;
  z-index: -1;
  background: var(--sage-light);
}
.person-photo-wrap img { height: 100%; object-fit: cover; }
.role { color: var(--cinnabar); font-size: .72rem; font-weight: 700; letter-spacing: .2em; }
.person-card h3 { margin-bottom: 12px; }
.person-card p:last-child { max-width: 400px; margin-inline: auto; }
.couple-symbol {
  position: relative;
  display: grid;
  place-items: center;
  color: var(--cinnabar);
  font-family: var(--serif);
  font-size: 3.2rem;
}
.couple-symbol::before, .couple-symbol::after {
  content:"";
  position:absolute;
  left: 50%;
  width: 1px;
  height: 120px;
  background: linear-gradient(transparent, var(--gold), transparent);
}
.couple-symbol::before { bottom: calc(100% + 14px); }
.couple-symbol::after { top: calc(100% + 14px); }

/* Details */
.details-section {
  color: var(--cream);
  background:
    linear-gradient(130deg, rgba(255,255,255,.025), transparent 50%),
    var(--sage-dark);
}
.details-section h2 { color: var(--cream); }
.date-layout {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  border: 1px solid rgba(251,248,243,.25);
}
.date-card {
  display: grid;
  place-items: center;
  padding: 48px 30px;
  border-right: 1px solid rgba(251,248,243,.25);
  text-align: center;
}
.date-card p { color: rgba(251,248,243,.72); }
.date-main {
  width: 180px;
  height: 180px;
  display: grid;
  place-items: center;
  margin: 18px 0;
  border: 1px solid rgba(180,154,104,.75);
  transform: rotate(45deg);
}
.date-main span {
  color: var(--cream);
  font-family: var(--serif);
  font-size: 5rem;
  line-height: 1;
  transform: rotate(-45deg);
}
.month, .year { letter-spacing: .22em; }
.event-card {
  display: grid;
  align-content: center;
  gap: 30px;
  padding: 50px clamp(30px, 7vw, 78px);
}
.event-card .label {
  display: block;
  margin-bottom: 5px;
  color: var(--paper-deep);
  font-size: .74rem;
  letter-spacing: .18em;
}
.event-card strong {
  display: block;
  color: var(--cream);
  font-family: var(--serif);
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 500;
}
.event-card p { margin: 4px 0 0; color: rgba(251,248,243,.7); }
.event-actions { display: flex; flex-wrap: wrap; gap: 12px; }

/* Timeline */
.schedule-section { background: var(--paper-soft); }
.timeline {
  --timeline-columns: 5;
  --timeline-edge: 10%;
  position: relative;
  display: grid;
  grid-template-columns: repeat(var(--timeline-columns), minmax(0, 1fr));
  gap: 18px;
}
.timeline::before {
  content:"";
  position:absolute;
  top: 58px;
  left: var(--timeline-edge);
  right: var(--timeline-edge);
  height: 1px;
  background: var(--gold);
}
.timeline.is-single::before { display: none; }
.timeline-item { position: relative; text-align: center; }
.timeline-time { color: var(--cinnabar-dark); font-family: var(--serif); font-size: 1.35rem; }
.timeline-dot {
  position: relative;
  z-index: 1;
  width: 13px;
  height: 13px;
  margin: 17px auto 24px;
  border: 3px solid var(--paper-soft);
  border-radius: 50%;
  background: var(--cinnabar);
  box-shadow: 0 0 0 1px var(--cinnabar);
}
.timeline-title { margin-bottom: 6px; font-family: var(--serif); font-size: 1.18rem; }
.timeline-note { font-size: .86rem; }

/* Info */
.info-section { background: var(--paper-deep); }
.info-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.info-panel {
  min-height: 420px;
  padding: clamp(34px, 6vw, 64px);
  border: 1px solid rgba(52,58,52,.14);
  background: rgba(248,244,238,.56);
}
.info-panel h2 { font-size: clamp(2rem, 4vw, 3rem); }
.dress-panel { background: var(--sage-light); }
.swatches { display: flex; flex-wrap: wrap; gap: 22px; margin-top: 34px; }
.swatch { text-align: center; }
.swatch-color {
  width: 60px;
  height: 60px;
  margin: 0 auto 9px;
  border: 5px solid rgba(248,244,238,.7);
  border-radius: 50%;
  box-shadow: 0 0 0 1px rgba(52,58,52,.12);
}
.swatch span { color: var(--ink-soft); font-size: .78rem; }

/* Gallery: no image filters and no permanent GPU layers. */
.gallery-section { background: var(--paper); }
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-auto-rows: 85px;
  gap: 14px;
}
.gallery-item {
  position: relative;
  overflow: hidden;
  border: 0;
  padding: 0;
  background: var(--sage-light);
  cursor: zoom-in;
  contain: paint;
}
.gallery-item:nth-child(1) { grid-column: span 7; grid-row: span 5; }
.gallery-item:nth-child(2) { grid-column: span 5; grid-row: span 3; }
.gallery-item:nth-child(3) { grid-column: span 5; grid-row: span 4; }
.gallery-item:nth-child(4) { grid-column: span 4; grid-row: span 4; }
.gallery-item:nth-child(5) { grid-column: span 4; grid-row: span 4; }
.gallery-item:nth-child(6) { grid-column: span 4; grid-row: span 4; }
.gallery-item img {
  height: 100%;
  object-fit: cover;
}
.gallery-item::after {
  content:"VIEW";
  position:absolute;
  inset: 10px;
  display:grid;
  place-items:center;
  color: var(--cream);
  border: 1px solid rgba(251,248,243,.52);
  background: rgba(52,58,52,.18);
  font-size:.72rem;
  letter-spacing:.25em;
  opacity:0;
  transition: opacity .28s ease;
}
.gallery-item:hover::after { opacity:1; }

/* Countdown */
.countdown-section {
  color: var(--cream);
  background:
    linear-gradient(rgba(108,77,67,.18), rgba(108,77,67,.18)),
    var(--cinnabar-dark);
}
.countdown-section h2 { color: var(--cream); }
.countdown {
  width: min(760px, 100%);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin: 48px auto 0;
  border-top: 1px solid rgba(251,248,243,.34);
  border-bottom: 1px solid rgba(251,248,243,.34);
}
.countdown > div { padding: 32px 10px; border-right: 1px solid rgba(251,248,243,.23); }
.countdown > div:last-child { border-right: 0; }
.countdown strong {
  display:block;
  color: var(--cream);
  font-family: var(--serif);
  font-size: clamp(2rem, 7vw, 4.6rem);
  font-weight: 400;
  line-height: 1.05;
}
.countdown span { color: rgba(251,248,243,.7); font-size: .78rem; letter-spacing: .2em; }

/* RSVP */
.rsvp-section { background: var(--paper-soft); }
.rsvp-button { min-width: min(360px, 100%); margin-top: 16px; }
.form-note { margin-top: 14px; font-size: .84rem; }
.form-embed {
  margin-top: 38px;
  padding: 10px;
  border: 1px solid var(--line);
  background: var(--cream);
}
.form-embed iframe { width: 100%; min-height: 900px; border: 0; }

/* Footer */
.footer {
  position: relative;
  overflow: hidden;
  padding: 100px 20px;
  color: var(--cream);
  background: var(--ink);
  text-align: center;
}
.footer h2 { margin-bottom: 12px; color: var(--cream); }
.footer p { color: rgba(251,248,243,.68); }
.footer-happiness {
  width: 74px;
  height: 74px;
  display:grid;
  place-items:center;
  margin: 20px auto;
  border: 1px solid rgba(180,154,104,.72);
  color: var(--paper-deep);
  font-family: var(--serif);
  font-size: 2.6rem;
}
.footer-grille {
  position:absolute;
  inset: 28px;
  border: 1px solid rgba(180,154,104,.18);
  pointer-events:none;
}
.footer-grille::before, .footer-grille::after {
  content:"";
  position:absolute;
  inset: 16px;
  border: 1px solid rgba(180,154,104,.08);
}

/* Fixed controls use a solid background—no backdrop-filter while scrolling. */
.floating-button {
  position: fixed;
  z-index: 50;
  right: 20px;
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(251,248,243,.22);
  border-radius: 50%;
  color: var(--cream);
  background: rgba(52,58,52,.96);
  box-shadow: 0 5px 15px rgba(35,35,30,.16);
  text-decoration: none;
  cursor: pointer;
}
.music-button { bottom: 78px; }
.top-button {
  bottom: 20px;
  opacity: 0;
  transform: translateY(8px);
  pointer-events:none;
  transition: opacity .22s ease, transform .22s ease;
}
.top-button.is-visible { opacity:1; transform:none; pointer-events:auto; }
.music-button.is-playing { background: var(--cinnabar); }

/* Lightbox */
.lightbox {
  position:fixed;
  z-index:1100;
  inset:0;
  display:grid;
  place-items:center;
  padding:70px;
  opacity:0;
  visibility:hidden;
  background:rgba(26,29,26,.94);
  transition: opacity .25s ease, visibility .25s ease;
}
.lightbox.is-open { opacity:1; visibility:visible; }
.lightbox img {
  max-width: min(1200px, 100%);
  max-height: calc(100vh - 100px);
  object-fit:contain;
  transition: opacity .18s ease;
}
.lightbox img.is-loading { opacity:.25; }
.lightbox-close, .lightbox-nav {
  position:absolute;
  border:0;
  color:var(--cream);
  background:transparent;
  cursor:pointer;
}
.lightbox-close { top:20px; right:25px; font-size:2.8rem; }
.lightbox-nav { top:50%; font-size:4rem; transform:translateY(-50%); }
.lightbox-nav.prev { left:22px; }
.lightbox-nav.next { right:22px; }


/* =========================================================
   Motion V3
   照片進場由 JavaScript Web Animations API 播放，
   避免 class、圖片解碼和 transition 被瀏覽器合併。
   ========================================================= */

.reveal {
  opacity: 0;
  transform: translate3d(0, 24px, 0);
  transition:
    opacity .72s cubic-bezier(.16,1,.3,1) var(--reveal-delay, 0ms),
    transform .86s cubic-bezier(.16,1,.3,1) var(--reveal-delay, 0ms);
}

.reveal.is-visible {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

.hero-content.reveal {
  opacity: 1;
  transform: none;
  transition: none;
}

.hero-content.reveal .eyebrow,
.hero-content.reveal .couple-name,
.hero-content.reveal .double-happiness,
.hero-content.reveal .hero-date,
.hero-content.reveal .hero-subtitle {
  opacity: 0;
  transform: translate3d(0, 24px, 0);
  transition:
    opacity .8s cubic-bezier(.16,1,.3,1),
    transform 1s cubic-bezier(.16,1,.3,1);
}

.hero-content.reveal .couple-name { transition-delay: 100ms; }
.hero-content.reveal .double-happiness { transition-delay: 210ms; }
.hero-content.reveal .hero-date { transition-delay: 310ms; }
.hero-content.reveal .hero-subtitle { transition-delay: 390ms; }

.hero-content.reveal.is-visible .eyebrow,
.hero-content.reveal.is-visible .couple-name,
.hero-content.reveal.is-visible .double-happiness,
.hero-content.reveal.is-visible .hero-date,
.hero-content.reveal.is-visible .hero-subtitle {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

.photo-reveal.motion-pending {
  opacity: 0;
  transform: none;
}

.photo-reveal.motion-running {
  opacity: 0;
  will-change: opacity;
}

.photo-reveal.motion-complete {
  opacity: 1;
  transform: none;
  will-change: auto;
}

.person-photo-wrap img,
.gallery-item img {
  transform: none;
  transform-origin: center;
}

@media (hover: hover) and (pointer: fine) {
  .person-photo-wrap,
  .gallery-item {
    transition:
      box-shadow .35s ease,
      border-color .35s ease;
  }

  .person-card:hover .person-photo-wrap {
    box-shadow: 0 14px 32px rgba(58, 48, 40, .14);
    border-color: rgba(180,154,104,.72);
  }

  .gallery-item:hover {
    box-shadow: 0 14px 32px rgba(58, 48, 40, .15);
    z-index: 2;
  }

  .person-card:hover .person-photo-wrap img,
  .gallery-item:hover img {
    transform: none;
  }
}


@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  .reveal {
    transform: translate3d(0, 10px, 0);
    transition-duration: .35s;
  }
}

@media (max-width: 820px) {
  .section { padding: 84px 0; }
  .couple-grid { grid-template-columns:1fr; gap:52px; }
  .couple-symbol { display:none; }
  .date-layout { grid-template-columns:1fr; }
  .date-card { border-right:0; border-bottom:1px solid rgba(251,248,243,.25); }
  .timeline { grid-template-columns:1fr 1fr; gap:32px 18px; }
  .timeline::before { display:none; }
  .timeline-dot { margin:10px auto 14px; }
  .info-grid { grid-template-columns:1fr; }
  .gallery-grid { grid-auto-rows:100px; }
  .gallery-item:nth-child(n) { grid-column:span 6; grid-row:span 3; }
  .gallery-item:nth-child(1) { grid-column:span 12; grid-row:span 4; }
}

@media (hover: none) {
  .gallery-item::after { display: none; }
  .button:hover { transform:none; }
}

@media (max-width: 560px) {
  .container, .container.narrow { width:min(100% - 28px, 1120px); }
  .section { padding:70px 0; }
  .corner { display:none; }
  .welcome-card { padding:46px 22px 34px; }
  .welcome-actions { flex-direction:column; }
  .welcome-actions .button { width:100%; }
  .couple-name { flex-direction:column; gap:6px; font-size:clamp(3.2rem, 18vw, 5.5rem); }
  .couple-name .amp { font-size:.36em; }
  .hero-date { letter-spacing:.18em; }
  .hero-grille { width:92vmin; height:92vmin; }
  .date-main { width:145px; height:145px; }
  .date-main span { font-size:4rem; }
  .event-actions { flex-direction:column; }
  .event-actions .button { width:100%; }
  .timeline { grid-template-columns:1fr; }
  .info-panel { min-height:auto; padding:36px 26px; }
  .swatches { justify-content:center; }
  .gallery-grid { display:grid; grid-template-columns:1fr; grid-auto-rows:auto; }
  .gallery-item:nth-child(n) {
    grid-column:auto;
    grid-row:auto;
    aspect-ratio:4/5;
  }
  .gallery-item:nth-child(1) { aspect-ratio:4/3; }
  .countdown strong { font-size:clamp(1.7rem, 10vw, 3rem); }
  .countdown > div { padding:24px 4px; }
  .lightbox { padding:58px 16px; }
  .lightbox-nav { font-size:3rem; }
  .lightbox-nav.prev { left:4px; }
  .lightbox-nav.next { right:4px; }

  /* 手機保留質感，但縮短位移與持續時間 */
  .reveal {
    transform: translate3d(0, 18px, 0);
    transition-duration: .68s, .78s;
  }

  .section-heading.reveal .eyebrow,
  .section-heading.reveal h2,
  .section-heading.reveal > p:last-child {
    transform: translate3d(0, 15px, 0);
    transition-duration: .58s, .72s;
  }

  .person-card.photo-reveal .person-photo-wrap::before,
  .gallery-item.photo-reveal::before {
    transition-duration: .72s;
  }

  .person-card.photo-reveal .person-photo-wrap img,
  .gallery-item.photo-reveal img {
    transform: scale(1.022);
    transition-duration: .4s, .92s;
  }
}


@media (max-width: 560px) {
  .photo-reveal.motion-pending {
    transform: none;
  }
}