.yirong-production {
  --yirong-production-bg: #151611;
  --yirong-production-panel: #eee8dc;
  --yirong-production-text: #f4f1e9;
  --yirong-production-muted: #aaa79e;
  --yirong-production-ink: #171813;
  --yirong-production-accent: #c7a56e;
  --yirong-production-rule: rgba(238, 232, 220, 0.2);
  overflow: hidden;
  background: var(--yirong-production-bg);
  color: var(--yirong-production-text);
  padding: clamp(88px, 9vw, 144px) clamp(20px, 4vw, 64px);
}

.yirong-production__inner {
  width: min(100%, 1440px);
  margin-inline: auto;
}

.yirong-production__header {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(320px, 2fr);
  align-items: end;
  gap: clamp(32px, 6vw, 96px);
  margin-bottom: clamp(40px, 5vw, 72px);
}

.yirong-production__eyebrow,
.yirong-production__panel-label {
  margin: 0 0 18px;
  color: var(--yirong-production-accent);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.yirong-production__title {
  max-width: 900px;
  margin: 0;
  font-size: clamp(3.5rem, 4.5vw, 4rem);
  font-weight: 400;
  letter-spacing: -0.045em;
  line-height: 0.98;
}

.yirong-production__intro {
  max-width: 620px;
  margin: 0;
  color: var(--yirong-production-muted);
  font-size: clamp(1rem, 0.94rem + 0.2vw, 1.125rem);
  line-height: 1.7;
}

.yirong-production__stage {
  display: grid;
  grid-template-columns: minmax(0, 13fr) minmax(320px, 7fr);
  min-height: clamp(500px, 42vw, 620px);
}

.yirong-production__media {
  position: relative;
  min-height: 100%;
  overflow: hidden;
  background: #24251f;
}

.yirong-production__main-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  object-fit: cover;
  object-position: 50% 48%;
  transform: scale(1.025);
  transition: opacity 450ms var(--yirong-motion-ease), transform var(--yirong-motion-image) var(--yirong-motion-ease);
}

.yirong-production__main-image.is-active {
  opacity: 1;
  transform: scale(1);
}

.yirong-production__panel {
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: var(--yirong-production-panel);
  color: var(--yirong-production-ink);
  padding: clamp(36px, 4vw, 64px);
}

.yirong-production__panel-label {
  color: #8b6d3e;
}

.yirong-production__panel-title {
  margin: 0;
  font-size: clamp(2rem, 2.4vw, 3rem);
  font-weight: 450;
  letter-spacing: -0.035em;
  line-height: 1.02;
}

.yirong-production__panel-copy {
  margin: 24px 0 0;
  color: #5c584f;
  font-size: 1rem;
  line-height: 1.7;
}

.yirong-production__values {
  display: grid;
  gap: 12px;
  margin: 32px 0;
  padding: 24px 0;
  border-block: 1px solid #c8c0b2;
  list-style: none;
}

.yirong-production__values li {
  position: relative;
  padding-left: 18px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1.45;
  text-transform: uppercase;
}

.yirong-production__values li::before {
  position: absolute;
  top: 0.58em;
  left: 0;
  width: 6px;
  height: 6px;
  background: #967748;
  border-radius: 50%;
  content: '';
}

.yirong-production__link {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  min-height: 44px;
  color: var(--yirong-production-ink);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-decoration: none;
  text-transform: uppercase;
}

.yirong-production__link span {
  margin-left: 12px;
  transition: transform var(--yirong-motion-fast) var(--yirong-motion-ease);
}

.yirong-production__link:hover span,
.yirong-production__link:focus-visible span {
  transform: translateX(5px);
}

.yirong-production__processes {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: 20px;
}

.yirong-production__process {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: end;
  min-width: 0;
  min-height: 44px;
  padding: 0 0 18px;
  overflow: hidden;
  border: 0;
  border-bottom: 1px solid var(--yirong-production-rule);
  background: transparent;
  color: inherit;
  text-align: left;
  cursor: pointer;
}

.yirong-production__process::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 2px;
  background: var(--yirong-production-accent);
  content: '';
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--yirong-motion-fast) var(--yirong-motion-ease);
}

.yirong-production__process[aria-pressed="true"]::after {
  transform: scaleX(1);
}

.yirong-production__thumb {
  grid-column: 1 / -1;
  width: 100%;
  margin-bottom: 18px;
  overflow: hidden;
  aspect-ratio: 3 / 2;
  background: #24251f;
}

.yirong-production__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--yirong-motion-image) var(--yirong-motion-ease);
}

.yirong-production__process:hover .yirong-production__thumb img,
.yirong-production__process:focus-visible .yirong-production__thumb img,
.yirong-production__process[aria-pressed="true"] .yirong-production__thumb img {
  transform: scale(1.035);
}

.yirong-production__process-number {
  margin-right: 14px;
  color: var(--yirong-production-accent);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.yirong-production__process-title {
  font-size: 0.82rem;
  font-weight: 750;
  letter-spacing: 0.07em;
  line-height: 1.35;
  text-transform: uppercase;
}

.yirong-production__process:focus-visible,
.yirong-production__link:focus-visible {
  outline: 3px solid var(--yirong-production-accent);
  outline-offset: 5px;
}

.yirong-production.is-motion-ready [data-production-reveal] {
  opacity: 0;
  transform: translateY(24px);
}

.yirong-production.is-motion-ready [data-production-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity var(--yirong-motion-section) var(--yirong-motion-ease), transform var(--yirong-motion-section) var(--yirong-motion-ease);
}

.yirong-production__processes [data-production-reveal]:nth-child(2) { transition-delay: 80ms; }
.yirong-production__processes [data-production-reveal]:nth-child(3) { transition-delay: 160ms; }
.yirong-production__processes [data-production-reveal]:nth-child(4) { transition-delay: 240ms; }

@media (max-width: 1099px) {
  .yirong-production__header,
  .yirong-production__stage {
    grid-template-columns: 1fr;
  }

  .yirong-production__header {
    align-items: start;
  }

  .yirong-production__stage {
    min-height: 0;
  }

  .yirong-production__media {
    min-height: 0;
    aspect-ratio: 16 / 10;
  }

  .yirong-production__processes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px 18px;
  }
}

@media (max-width: 767px) {
  .yirong-production {
    padding-inline: 20px;
  }

  .yirong-production__title {
    font-size: clamp(2.5rem, 12vw, 3.5rem);
  }

  .yirong-production__media {
    aspect-ratio: 4 / 3;
  }

  .yirong-production__panel {
    padding: 32px 24px;
  }

  .yirong-production__processes {
    display: flex;
    gap: 14px;
    margin-right: -20px;
    padding-right: 20px;
    padding-bottom: 10px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scrollbar-width: thin;
  }

  .yirong-production__process {
    flex: 0 0 84%;
    scroll-snap-align: start;
  }
}