/* Hallmark · pre-emit critique: P5 H5 E5 S5 R5 V5 · macrostructure: Campaign Gallery (balanced 34/66 banner) · genre: beauty-led editorial · theme: locked EPHYON pink/gold system · contrast: pass (40–41) · tokens: pass (48) · mobile: pass (34, 49–57) */
.product-campaign-banner {
  display: grid;
  grid-template-columns: minmax(21rem, .52fr) minmax(0, 1fr);
  gap: clamp(var(--space-4), 2.5vw, 2.5rem);
  align-items: stretch;
  max-width: 100rem;
  margin-inline: auto;
  padding: var(--space-4) clamp(var(--space-3), 3vw, var(--space-5)) var(--space-5);
  overflow: clip;
  border-block: 1px solid var(--color-rule);
  background: var(--color-paper-2);
}

.product-campaign-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
  padding-block: var(--space-3);
}

.product-campaign-kicker {
  margin: 0 0 var(--space-3);
  color: var(--color-gold-deep);
  font-size: var(--text-sm);
  font-weight: 760;
  letter-spacing: .08em;
}

.product-campaign-copy :is(h1, h2) {
  min-width: 0;
  max-width: 100%;
  margin: 0;
  color: var(--color-ink);
  font: 760 clamp(2rem, 3.1vw, 3.4rem)/1.08 var(--font-display);
  letter-spacing: -.035em;
  overflow-wrap: normal;
}

.product-campaign-title-line {
  display: block;
  white-space: nowrap;
}

html[lang^="zh"] .product-campaign-copy :is(h1, h2) {
  max-width: none;
  font-family: var(--font-zh);
  font-size: clamp(2rem, 3.25vw, 3.35rem);
  font-weight: 700;
  line-height: 1.14;
  letter-spacing: .5px;
}

.product-campaign-copy > p:not(.product-campaign-kicker, .product-campaign-count) {
  max-width: 48ch;
  margin: var(--space-3) 0 0;
  color: var(--color-ink-2);
}

.product-campaign-copy > a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  margin-top: var(--space-4);
  color: var(--color-ink);
  font-weight: 760;
  line-height: 1;
  text-decoration-color: var(--color-gold-deep);
  text-decoration-thickness: 1px;
  text-underline-offset: var(--space-2);
  white-space: nowrap;
}

.product-campaign-copy > a:hover {
  color: var(--color-gold-deep);
}

.product-campaign-copy > a:active {
  color: var(--color-pink-deep);
}

.product-campaign-copy > a:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: var(--space-1);
}

.product-campaign-count {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  margin: var(--space-5) 0 0;
  color: var(--color-muted);
  font-size: var(--text-sm);
  letter-spacing: .08em;
}

.product-campaign-count strong {
  color: var(--color-gold-deep);
  font: 760 var(--text-xl)/1 var(--font-display);
}

.product-campaign-gallery {
  min-width: 0;
}

.product-campaign-stage {
  position: relative;
  aspect-ratio: 400 / 311;
  overflow: hidden;
  border-radius: var(--radius-sm);
  background: transparent;
}

.product-campaign-slide {
  position: absolute;
  inset: 0;
  margin: 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-base) var(--ease-in-out);
}

.product-campaign-slide.is-active {
  opacity: 1;
  pointer-events: auto;
}

.product-campaign-slide img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: transparent;
}

.product-campaign-thumbs {
  display: flex;
  justify-content: center;
  gap: var(--space-2);
  align-items: center;
  margin-top: var(--space-3);
}

.service-campaign-gallery {
  position: relative;
  width: 100%;
  max-width: 52rem;
  min-width: 0;
  align-self: center;
  justify-self: end;
}

.service-campaign-gallery .product-campaign-stage {
  aspect-ratio: 10 / 7;
  border-radius: 0;
}

.service-campaign-gallery .product-campaign-thumbs {
  display: flex;
  position: absolute;
  z-index: 2;
  inset-inline: clamp(var(--space-2), 3vw, var(--space-4));
  inset-block-end: var(--space-2);
  margin: 0;
  pointer-events: none;
}

.service-campaign-gallery .product-campaign-thumb {
  pointer-events: auto;
}

/* Hallmark · component: OEM/ODM campaign gallery · 35/65 editorial split · product-banner type scale · no card chrome */
.product-page .product-hero.service-campaign-hero {
  position: relative;
  left: 50%;
  width: min(100rem, calc(100vw - (var(--space-5) + var(--space-5))));
  grid-template-columns: minmax(17rem, .35fr) minmax(0, .65fr);
  gap: clamp(var(--space-4), 4vw, var(--space-6));
  transform: translateX(-50%);
}

.product-page .product-hero.service-campaign-hero h1 {
  max-width: 100%;
  font-size: clamp(2rem, 3.1vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: -.035em;
}

html[lang^="zh"] .product-page .product-hero.service-campaign-hero h1 {
  font-size: clamp(2rem, 3.25vw, 3.35rem);
  line-height: 1.14;
  letter-spacing: .5px;
}

.product-page .product-hero.service-campaign-hero .lede {
  max-width: 38ch;
  font-size: var(--text-base);
  line-height: 1.75;
}

.service-campaign-gallery .product-campaign-slide {
  transform: translateX(var(--space-2));
  transition:
    opacity var(--dur-base) var(--ease-in-out),
    transform var(--dur-base) var(--ease-out);
}

.service-campaign-gallery .product-campaign-slide.is-active {
  transform: translateX(0);
}

.service-campaign-gallery .product-campaign-thumb::before {
  background: color-mix(in oklch, var(--color-paper) 72%, transparent);
}

.service-campaign-gallery .product-campaign-thumb.is-active::before {
  background: color-mix(in oklch, var(--color-pink-soft) 78%, var(--color-paper));
}

.product-campaign-banner:focus-visible,
.service-campaign-gallery:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: var(--space-1);
}

.product-campaign-thumb {
  position: relative;
  width: clamp(2.75rem, 5vw, 4.5rem);
  height: 2.75rem;
  min-width: 2.75rem;
  padding: 0;
  overflow: hidden;
  border: 0;
  border-radius: 999px;
  background: transparent;
  cursor: pointer;
  opacity: 1;
  transition: transform var(--dur-fast) var(--ease-out);
}

.product-campaign-thumb::before,
.product-campaign-thumb::after {
  position: absolute;
  inset-block: calc(50% - .125rem);
  inset-inline: 0;
  border-radius: inherit;
  content: "";
}

.product-campaign-thumb::before {
  background: var(--color-rule);
  transition: background-color var(--dur-fast) var(--ease-out);
}

.product-campaign-thumb::after {
  background: var(--color-gold-deep);
  transform: scaleX(0);
  transform-origin: left center;
}

.product-campaign-thumb.is-active::before {
  background: var(--color-pink-soft);
}

.product-campaign-thumb.is-active.is-progressing::after {
  animation: campaign-progress 3s linear forwards;
}

[data-product-campaign][data-campaign-paused="true"] .product-campaign-thumb.is-active::after {
  animation-play-state: paused;
}

.product-campaign-thumb:active {
  transform: scaleX(.94);
}

.product-campaign-thumb:focus-visible {
  z-index: 1;
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

.product-campaign-thumb:disabled {
  cursor: not-allowed;
  opacity: .55;
}

@media (hover: hover) and (pointer: fine) {
  .product-campaign-thumb:hover::before {
    background: var(--color-pink-soft);
  }
}

@keyframes campaign-progress {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

@media (max-width: 64rem) {
  .product-campaign-banner {
    grid-template-columns: minmax(18.5rem, .52fr) minmax(0, 1fr);
    gap: var(--space-4);
    padding-inline: var(--space-4);
  }

  .product-campaign-copy :is(h1, h2) {
    font-size: clamp(1.8rem, 3.3vw, 2.8rem);
  }

  html[lang^="zh"] .product-campaign-copy :is(h1, h2) {
    font-size: clamp(1.9rem, 3.5vw, 2.8rem);
  }

  .product-page .product-hero.service-campaign-hero {
    grid-template-columns: minmax(16rem, .39fr) minmax(0, .61fr);
    gap: var(--space-4);
  }
}

@media (max-width: 48rem) {
  .product-campaign-banner {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-4);
    padding: var(--space-4) var(--space-3) var(--space-5);
  }

  .product-campaign-copy :is(h1, h2) {
    max-width: 16ch;
  }

  html[lang^="zh"] .product-campaign-copy :is(h1, h2) {
    max-width: none;
    font-size: clamp(2rem, 9.2vw, 2.75rem);
  }

  .product-campaign-copy > a {
    margin-top: var(--space-3);
  }

  .product-campaign-count {
    margin-top: var(--space-3);
  }

  .product-page .product-hero.service-campaign-hero {
    position: static;
    left: auto;
    width: 100%;
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-4);
    transform: none;
  }

  .product-page .product-hero.service-campaign-hero h1,
  html[lang^="zh"] .product-page .product-hero.service-campaign-hero h1 {
    font-size: clamp(2rem, 9.2vw, 2.75rem);
  }

  .service-campaign-gallery {
    max-width: none;
    justify-self: stretch;
  }
}

@media (max-width: 40rem) {
  .product-campaign-stage {
    aspect-ratio: 400 / 311;
  }

  .product-campaign-thumbs {
    gap: var(--space-2);
  }

  .product-campaign-thumb {
    width: clamp(2.5rem, 15vw, 3.5rem);
    min-width: 2.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .product-campaign-thumb.is-active::after {
    animation: none;
    transform: scaleX(1);
  }
}

@media (prefers-reduced-motion: reduce) {
  .product-campaign-slide,
  .product-campaign-thumb {
    transition: none;
  }

  .service-campaign-gallery .product-campaign-slide {
    transform: none;
  }
}