:root {
  --jy-v5-ease: cubic-bezier(.2, 0, 0, 1);
  --jy-v5-ease-slow: cubic-bezier(.4, 0, .2, 1);
  --jy-v5-fast: 180ms;
  --jy-v5-standard: 280ms;
  --jy-v5-reveal: 800ms;
  --jy-v5-gutter: clamp(1.25rem, 4vw, 4.5rem);
  --jy-v5-max: 1440px;
}

.jy-showroom-v5,
.jy-showroom-v5 * {
  box-sizing: border-box;
}

.jy-showroom-v5 {
  position: relative;
  overflow: clip;
  background: var(--jy-surface-page, #f6f5f3);
  color: var(--jy-text-primary, #101820);
  font-family: var(--jy-font-body, Mulish, "Microsoft YaHei UI", "Microsoft YaHei", sans-serif);
}

.jy-v5-section {
  position: relative;
  isolation: isolate;
  padding: clamp(6rem, 9vw, 10rem) var(--jy-v5-gutter);
}

.jy-v5-shell {
  width: min(100%, var(--jy-v5-max));
  margin-inline: auto;
}

.jy-v5-section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: clamp(3rem, 5vw, 5.5rem);
}

.jy-v5-section-head__copy {
  max-width: 48rem;
}

.jy-v5-section h2 {
  max-width: 18ch;
  margin: 0;
  color: inherit;
  font-family: var(--jy-font-display, Karelia, "Microsoft YaHei UI", sans-serif);
  font-size: clamp(2.65rem, 5vw, 5rem);
  font-weight: 700;
  line-height: .98;
  letter-spacing: -.045em;
}

.jy-v5-section-head p {
  max-width: 36rem;
  margin: 1.35rem 0 0;
  color: var(--jy-text-secondary, #4f5b66);
  font-size: clamp(1rem, 1.25vw, 1.18rem);
  line-height: 1.75;
}

.jy-v5-heading-mask {
  overflow: hidden;
}

.jy-heading-line {
  display: block;
  will-change: transform, opacity;
}

.jy-v5-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: .8rem;
  min-height: 2.75rem;
  color: var(--jy-technical-primary, #11579f);
  font-weight: 700;
  text-decoration: none;
}

.jy-v5-link::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: .18rem;
  left: 0;
  height: 1px;
  background: currentColor;
  transform: scaleX(.22);
  transform-origin: left center;
  transition: transform var(--jy-v5-standard) var(--jy-v5-ease);
}

.jy-v5-link:hover::after,
.jy-v5-link:focus-visible::after {
  transform: scaleX(1);
}

.jy-v5-arrow {
  width: 1.45rem;
  height: 1.45rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* Product showroom */
.jy-v5-products {
  min-height: 58rem;
  background:
    linear-gradient(90deg, rgb(16 24 32 / 4%) 1px, transparent 1px) 0 0 / min(8vw, 7rem) 100%,
    var(--jy-surface-page, #f6f5f3);
}

.jy-v5-product-shell {
  position: relative;
}

.jy-v5-product-stage {
  position: relative;
  min-height: clamp(26rem, 39vw, 36rem);
  overflow: visible;
  cursor: grab;
  touch-action: pan-y;
  perspective: 1200px;
  outline: none;
}

.jy-v5-product-stage.swiper-grab-cursor:active {
  cursor: grabbing;
}

.jy-v5-product-stage .swiper-wrapper {
  align-items: center;
  height: clamp(26rem, 39vw, 36rem);
  transition-timing-function: var(--jy-v5-ease-slow);
}

.jy-v5-product-slide {
  display: grid;
  place-items: center;
  width: min(40vw, 36rem);
  height: clamp(23rem, 36vw, 34rem);
  opacity: .64;
  transform-origin: 50% 62%;
  will-change: transform, opacity;
  transition: opacity 760ms var(--jy-v5-ease-slow), filter 760ms var(--jy-v5-ease-slow);
}

.jy-v5-product-slide img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  pointer-events: none;
  user-select: none;
  filter: saturate(.82) contrast(.97);
  transform: translateY(.65rem) scale(.96);
  transition: transform 760ms var(--jy-v5-ease-slow), filter 760ms var(--jy-v5-ease-slow);
}

.jy-v5-product-slide.swiper-slide-active {
  z-index: 3;
  opacity: 1;
}

.jy-v5-product-slide.swiper-slide-active img {
  filter: saturate(1) contrast(1.02);
  transform: translateY(0) scale(1);
}

.jy-v5-product-floor {
  position: absolute;
  z-index: 0;
  bottom: clamp(2.4rem, 5.2vw, 4.8rem);
  left: 50%;
  width: clamp(13rem, 25vw, 23rem);
  height: clamp(1.65rem, 2.8vw, 2.6rem);
  border-radius: 50%;
  background: rgb(16 24 32 / 20%);
  filter: blur(24px);
  transform: translateX(-50%);
  pointer-events: none;
}

.jy-v5-product-lower {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 2rem;
  margin-top: .35rem;
}

.jy-v5-product-info {
  max-width: 38rem;
}

.jy-v5-product-counter,
.jy-v5-industry-counter {
  display: flex;
  align-items: baseline;
  gap: .6rem;
  margin: 0 0 1.4rem;
  color: var(--jy-text-muted, #77828c);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
}

.jy-v5-product-counter strong,
.jy-v5-industry-counter strong {
  color: var(--jy-technical-primary, #11579f);
  font-size: 1.8rem;
}

.jy-v5-product-progress,
.jy-v5-industry-progress {
  position: relative;
  display: block;
  width: min(26rem, 64vw);
  height: 2px;
  margin: 0 0 2rem;
  overflow: hidden;
  background: rgb(16 24 32 / 14%);
}

.jy-v5-product-progress span,
.jy-v5-industry-progress span {
  display: block;
  width: 16.6667%;
  height: 100%;
  background: var(--jy-action-primary, #d71920);
  transform-origin: left center;
}

.jy-v5-product-info h3,
.jy-v5-industry-info h3 {
  margin: 0;
  color: inherit;
  font-family: var(--jy-font-display, Karelia, "Microsoft YaHei UI", sans-serif);
  font-size: clamp(2.1rem, 3.2vw, 3.4rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -.035em;
}

.jy-v5-product-info p,
.jy-v5-industry-info p {
  margin: 1rem 0 1.1rem;
  color: var(--jy-text-secondary, #4f5b66);
  font-size: clamp(.98rem, 1.1vw, 1.1rem);
  line-height: 1.7;
}

.jy-v5-slider-controls {
  display: flex;
  gap: .85rem;
}

.jy-v5-slider-button {
  display: grid;
  place-items: center;
  width: 4.25rem;
  height: 4.25rem;
  padding: 0;
  border: 1px solid rgb(16 24 32 / 28%);
  border-radius: 50%;
  background: transparent;
  color: var(--jy-text-primary, #101820);
  cursor: pointer;
  transition: color var(--jy-v5-fast) ease, border-color var(--jy-v5-fast) ease, background-color var(--jy-v5-fast) ease;
}

.jy-v5-slider-button:hover:not(:disabled),
.jy-v5-slider-button:focus-visible:not(:disabled) {
  border-color: var(--jy-technical-primary, #11579f);
  color: var(--jy-technical-primary, #11579f);
}

.jy-v5-slider-button:disabled {
  opacity: .28;
  cursor: not-allowed;
}

.jy-v5-slider-button svg {
  width: 1.6rem;
  height: 1.6rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
}

/* Engineering specification */
.jy-v5-engineering {
  background: var(--jy-surface-card, #fff);
}

.jy-v5-engineering__board {
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(22rem, .94fr);
  min-height: 43rem;
  border-top: 1px solid var(--jy-border-default, #d9dee3);
  border-bottom: 1px solid var(--jy-border-default, #d9dee3);
}

.jy-v5-engineering__drawing {
  display: grid;
  place-items: center;
  min-width: 0;
  margin: 0;
  padding: clamp(2rem, 4vw, 4.5rem);
  border-right: 1px solid var(--jy-border-default, #d9dee3);
}

.jy-v5-engineering__drawing svg {
  display: block;
  width: 100%;
  height: auto;
  max-height: 36rem;
}

.jy-v5-engineering__controls {
  display: grid;
  align-content: center;
  padding: clamp(1.5rem, 4vw, 4.5rem);
}

.jy-v5-engineering__rail-list {
  display: grid;
  margin: 0;
  padding: 0;
  list-style: none;
}

.jy-v5-engineering__item {
  position: relative;
  display: grid;
  grid-template-columns: minmax(8rem, .72fr) minmax(0, 1fr);
  align-items: center;
  gap: 1.5rem;
  width: 100%;
  min-height: 7.8rem;
  padding: 1.5rem 1rem 1.5rem 2.25rem;
  border: 0;
  border-bottom: 1px solid var(--jy-border-default, #d9dee3);
  background: transparent;
  color: var(--jy-text-primary, #101820);
  text-align: left;
  cursor: pointer;
}

.jy-v5-engineering__item:last-child {
  border-bottom: 0;
}

.jy-v5-engineering__active-rail {
  position: absolute;
  top: 22%;
  bottom: 22%;
  left: 0;
  width: 4px;
  background: var(--jy-action-primary, #d71920);
}

.jy-v5-engineering__label {
  font-size: .82rem;
  font-weight: 800;
  letter-spacing: .14em;
}

.jy-v5-engineering__value {
  color: var(--jy-text-secondary, #4f5b66);
  font-size: 1rem;
  line-height: 1.6;
}

.jy-v5-engineering__item.is-active .jy-v5-engineering__value,
.jy-v5-engineering__item:hover .jy-v5-engineering__value {
  color: var(--jy-technical-primary, #11579f);
}

.jy-v5-engineering__plus {
  display: none;
}

.jy-v5-engineering__note {
  margin: 2.3rem 0 0;
  color: var(--jy-text-secondary, #4f5b66);
  font-size: 1rem;
  line-height: 1.7;
}

/* Manufacturing proof */
.jy-v5-manufacturing {
  background: var(--jy-surface-page, #f6f5f3);
}

.jy-v5-manufacturing .jy-v5-section-head {
  margin-bottom: 2.5rem;
}

.jy-v5-manufacturing__atropos {
  width: 100%;
  pointer-events: none;
}

.jy-v5-manufacturing__frame {
  position: relative;
  min-height: clamp(33rem, 58vw, 48rem);
  overflow: hidden;
  background: var(--jy-surface-dark, #0f1b26);
}

.jy-v5-manufacturing__image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.72) contrast(1.03);
  will-change: transform;
}

.jy-v5-manufacturing__shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgb(8 19 28 / 82%) 0%, rgb(8 19 28 / 44%) 28%, rgb(8 19 28 / 5%) 62%);
}

.jy-v5-manufacturing__proofs {
  position: absolute;
  top: 50%;
  left: clamp(1.5rem, 7vw, 7rem);
  display: grid;
  gap: clamp(2.5rem, 5vw, 4.8rem);
  margin: 0;
  padding: 0;
  color: #fff;
  list-style: none;
  transform: translateY(-50%);
}

.jy-v5-manufacturing__proofs li {
  position: relative;
  display: grid;
  gap: .55rem;
}

.jy-v5-manufacturing__proofs li::before {
  content: "";
  width: 3.25rem;
  height: 2px;
  margin-bottom: .65rem;
  background: var(--jy-action-primary, #d71920);
}

.jy-v5-manufacturing__proofs strong {
  font-family: var(--jy-font-display, Karelia, sans-serif);
  font-size: clamp(3rem, 6vw, 5.75rem);
  font-weight: 500;
  line-height: .9;
  letter-spacing: -.045em;
}

.jy-v5-manufacturing__proofs span {
  color: rgb(255 255 255 / 82%);
  font-size: clamp(.95rem, 1.2vw, 1.15rem);
}

/* Industry exhibition */
.jy-v5-industries {
  min-height: 61rem;
  overflow: hidden;
  background: var(--jy-surface-dark-deep, #08131c);
  color: #fff;
}

.jy-v5-industries .jy-v5-section-head p,
.jy-v5-industry-info p {
  color: var(--jy-text-inverse-muted, #aeb8c1);
}

.jy-v5-industries__dust {
  position: absolute;
  z-index: -1;
  inset: 0;
  pointer-events: none;
}

.jy-v5-industry-shell {
  position: relative;
}

.jy-v5-industry-stage {
  position: relative;
  min-height: clamp(28rem, 43vw, 38rem);
  overflow: visible;
  cursor: grab;
  touch-action: pan-y;
  outline: none;
}

.jy-v5-industry-stage.swiper-grab-cursor:active {
  cursor: grabbing;
}

.jy-v5-industry-stage .swiper-wrapper {
  align-items: center;
  min-height: clamp(28rem, 43vw, 38rem);
  transition-timing-function: var(--jy-v5-ease-slow);
}

.jy-v5-industry-slide {
  width: min(67vw, 62rem);
  opacity: .52;
  transform: scale(.88);
  transition: opacity 760ms var(--jy-v5-ease-slow), transform 760ms var(--jy-v5-ease-slow), filter 760ms var(--jy-v5-ease-slow);
  will-change: transform, opacity;
}

.jy-v5-industry-slide figure {
  aspect-ratio: 16 / 10;
  margin: 0;
  overflow: hidden;
  background: var(--jy-surface-dark-raised, #172838);
}

.jy-v5-industry-slide img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
  user-select: none;
  -webkit-user-drag: none;
  filter: saturate(.62) contrast(1.04) brightness(.8);
  transform: scale(1.035);
  transition: filter 760ms var(--jy-v5-ease-slow), transform 760ms var(--jy-v5-ease-slow);
}

.jy-v5-industry-slide.swiper-slide-active {
  z-index: 2;
  opacity: 1;
  transform: scale(1);
}

.jy-v5-industry-slide.swiper-slide-active img {
  filter: saturate(.86) contrast(1.06) brightness(.95);
  transform: scale(1);
}

.jy-v5-industry-info-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 2rem;
  margin-top: 2.5rem;
}

.jy-v5-industry-info {
  max-width: 44rem;
}

.jy-v5-industries .jy-v5-link {
  color: #fff;
}

.jy-v5-industries .jy-v5-slider-button {
  border-color: rgb(255 255 255 / 34%);
  color: #fff;
}

.jy-v5-industries .jy-v5-slider-button:hover:not(:disabled) {
  border-color: #fff;
  color: #fff;
}

.jy-v5-industries .jy-v5-industry-counter strong {
  color: #fff;
}

.jy-v5-industries .jy-v5-product-progress,
.jy-v5-industries .jy-v5-industry-progress {
  background: rgb(255 255 255 / 22%);
}

/* Resources */
.jy-v5-resources {
  background: var(--jy-surface-card, #fff);
}

.jy-v5-resources__list {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--jy-border-default, #d9dee3);
  list-style: none;
}

.jy-v5-resource-row {
  position: relative;
  display: grid;
  grid-template-columns: minmax(4rem, .42fr) minmax(10rem, 1.2fr) minmax(9rem, .9fr) minmax(18rem, 2.2fr) auto;
  align-items: center;
  gap: clamp(1rem, 2.5vw, 3rem);
  min-height: 9.5rem;
  padding: 1.4rem 1.25rem;
  overflow: hidden;
  border-bottom: 1px solid var(--jy-border-default, #d9dee3);
  color: var(--jy-text-primary, #101820);
  text-decoration: none;
  transition: background-color var(--jy-v5-standard) var(--jy-v5-ease);
}

.jy-v5-resource-row:hover,
.jy-v5-resource-row:focus-visible {
  background: var(--jy-surface-soft, #eef1f3);
}

.jy-v5-resource-row__sweep {
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  height: 2px;
  background: var(--jy-action-primary, #d71920);
  transform: scaleX(0);
  transform-origin: left center;
}

.jy-v5-resource-row__number {
  color: var(--jy-technical-primary, #11579f);
  font-size: clamp(2rem, 3vw, 3rem);
  font-variant-numeric: tabular-nums;
  line-height: 1;
}

.jy-v5-resource-row__label {
  color: var(--jy-text-secondary, #4f5b66);
  font-size: .8rem;
  font-weight: 800;
  letter-spacing: .08em;
}

.jy-v5-resource-row__title {
  font-family: var(--jy-font-display, Karelia, sans-serif);
  font-size: clamp(1.35rem, 2vw, 2rem);
  font-weight: 700;
}

.jy-v5-resource-row__description {
  color: var(--jy-text-secondary, #4f5b66);
  line-height: 1.65;
}

.jy-v5-resource-row__arrow {
  font-size: 2rem;
  line-height: 1;
}

@media (max-width: 991px) {
  .jy-v5-section {
    padding-block: clamp(5rem, 10vw, 7rem);
  }

  .jy-v5-products {
    min-height: 0;
  }

  .jy-v5-product-stage {
    min-height: 28rem;
    overflow: visible;
  }

  .jy-v5-product-slide {
    width: min(64vw, 32rem);
    opacity: .5;
  }

  .jy-v5-engineering__board {
    grid-template-columns: 1fr;
  }

  .jy-v5-engineering__drawing {
    min-height: 28rem;
    border-right: 0;
    border-bottom: 1px solid var(--jy-border-default, #d9dee3);
  }

  .jy-v5-engineering__item {
    min-height: 6.5rem;
  }

  .jy-v5-resource-row {
    grid-template-columns: 4rem minmax(9rem, .75fr) minmax(0, 1fr) auto;
  }

  .jy-v5-resource-row__description {
    display: none;
  }

}

@media (max-width: 767px) {
  .jy-v5-section-head {
    display: block;
    margin-bottom: 2.75rem;
  }

  .jy-v5-section h2 {
    font-size: clamp(2.45rem, 12vw, 3.7rem);
  }

  .jy-v5-product-stage {
    min-height: 24rem;
  }

  .jy-v5-product-slide {
    width: 78vw;
    height: 23rem;
  }

  .jy-v5-product-floor {
    bottom: 2.5rem;
  }

  .jy-v5-product-lower,
  .jy-v5-industry-info-row {
    grid-template-columns: 1fr;
  }

  .jy-v5-slider-controls {
    justify-content: flex-end;
  }

  .jy-v5-slider-button {
    width: 3.5rem;
    height: 3.5rem;
  }

  .jy-v5-engineering__drawing {
    min-height: 20rem;
    padding: 1.25rem;
  }

  .jy-v5-engineering__controls {
    padding: 0;
  }

  .jy-v5-engineering__item {
    grid-template-columns: 1fr auto;
    min-height: 0;
    padding: 1.5rem .25rem;
  }

  .jy-v5-engineering__active-rail {
    top: 0;
    bottom: auto;
    left: 0;
    width: 2.75rem;
    height: 2px;
  }

  .jy-v5-engineering__value {
    grid-column: 1 / -1;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
  }

  .jy-v5-engineering__item.is-active .jy-v5-engineering__value {
    max-height: 8rem;
    padding-top: .75rem;
    opacity: 1;
  }

  .jy-v5-engineering__plus {
    display: block;
    font-size: 1.4rem;
  }

  .jy-v5-engineering__note {
    padding: 0 .25rem 1.75rem;
  }

  .jy-v5-manufacturing__frame {
    min-height: 36rem;
  }

  .jy-v5-manufacturing__proofs {
    top: auto;
    right: 1.25rem;
    bottom: 2rem;
    left: 1.25rem;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem;
    transform: none;
  }

  .jy-v5-manufacturing__proofs strong {
    font-size: clamp(2.2rem, 11vw, 3.4rem);
  }

  .jy-v5-industry-slide {
    width: 82vw;
  }

  .jy-v5-industry-stage,
  .jy-v5-industry-stage .swiper-wrapper {
    min-height: 23rem;
  }

  .jy-v5-resource-row {
    grid-template-columns: 3rem minmax(0, 1fr) auto;
    gap: .9rem;
    min-height: 8rem;
    padding-inline: .25rem;
  }

  .jy-v5-resource-row__label {
    display: none;
  }

  .jy-v5-resource-row__number {
    font-size: 1.55rem;
  }

  .jy-v5-resource-row__title {
    font-size: 1.35rem;
  }

}

@media (prefers-reduced-motion: reduce) {
  .jy-showroom-v5 *,
  .jy-showroom-v5 *::before,
  .jy-showroom-v5 *::after {
    scroll-behavior: auto !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }

  .jy-heading-line,
  .jy-v5-manufacturing__image {
    opacity: 1 !important;
    transform: none !important;
  }

  .jy-v5-industries__dust {
    display: none;
  }
}