.page-products {
  --yk-grid-bg: linear-gradient(rgba(0, 229, 255, 0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(0, 229, 255, 0.04) 1px, transparent 1px);
  --yk-grid-size: 40px;
  --yk-line: rgba(0, 229, 255, 0.18);
  --yk-green-glow: 0 0 18px rgba(57, 255, 20, 0.35);
  --yk-blue-glow: 0 0 22px rgba(0, 229, 255, 0.28);
  background: var(--bg-primary);
  color: var(--text-primary);
}

.page-products img {
  max-width: 100%;
  height: auto;
  display: block;
}

.page-products .section__title {
  font-family: var(--font-heading);
  font-size: clamp(1.7rem, 3.5vw, 2.5rem);
  line-height: 1.2;
  margin-bottom: 12px;
}

.page-products .section__head .section__lead {
  color: var(--text-secondary);
  font-size: 1.02rem;
  line-height: 1.75;
  max-width: 64ch;
  margin-bottom: 0;
}

.page-products .stat__num {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--accent-green);
  text-shadow: var(--yk-green-glow);
  line-height: 1;
}

.page-products .yk-products-hero {
  position: relative;
  padding: 64px 0 48px;
  overflow: hidden;
  background:
    radial-gradient(ellipse 80% 55% at 85% 10%, rgba(157, 0, 255, 0.16), transparent 60%),
    radial-gradient(ellipse 60% 50% at 10% 90%, rgba(0, 229, 255, 0.10), transparent 55%),
    var(--bg-primary);
}

.page-products .yk-products-hero__grid-bg {
  position: absolute;
  inset: 0;
  background-image: var(--yk-grid-bg);
  background-size: var(--yk-grid-size) var(--yk-grid-size);
  clip-path: polygon(0 0, 100% 0, 100% 78%, 0 92%);
  pointer-events: none;
  z-index: 0;
  opacity: 0.7;
}

.page-products .yk-products-hero .container {
  position: relative;
  z-index: 1;
}

.page-products .yk-products-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 40px;
  align-items: center;
  padding: 32px 0 0;
}

.page-products .yk-products-hero h1 {
  margin: 20px 0 24px;
  font-family: var(--font-heading);
  font-size: clamp(2.1rem, 5vw, 3.8rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  position: relative;
}

.page-products .yk-products-hero__title-line {
  display: block;
  color: transparent;
  -webkit-text-stroke: 1px rgba(0, 229, 255, 0.7);
}

.page-products .yk-products-hero__lead {
  font-size: 1.08rem;
  line-height: 1.75;
  color: var(--text-secondary);
  max-width: 60ch;
  margin-bottom: 28px;
}

.page-products .yk-products-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.page-products .yk-products-hero__panel {
  position: relative;
  background: rgba(26, 58, 92, 0.45);
  border: 1px solid var(--yk-line);
  border-radius: 0;
  padding: 24px;
  box-shadow: 0 0 40px rgba(0, 229, 255, 0.12);
  backdrop-filter: blur(4px);
}

.page-products .yk-products-hero__panel::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-green));
}

.page-products .yk-products-hero__panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(0, 229, 255, 0.15);
  padding-bottom: 12px;
  margin-bottom: 16px;
}

.page-products .yk-products-hero__panel-name {
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.page-products .yk-products-hero__panel-version {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent-blue);
  letter-spacing: 0.08em;
}

.page-products .yk-products-hero__panel-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin: 0;
  padding: 0;
}

.page-products .yk-products-hero__panel-stat {
  background: rgba(11, 29, 58, 0.7);
  border-left: 2px solid var(--accent-green);
  padding: 14px 14px 12px;
}

.page-products .yk-products-hero__panel-stat dt {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.page-products .yk-products-hero__panel-stat dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--accent-green);
  text-shadow: var(--yk-green-glow);
  line-height: 1;
}

.page-products .yk-products-hero__panel-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 18px;
  padding-top: 12px;
  border-top: 1px solid rgba(255, 107, 0, 0.25);
}

.page-products .yk-products-hero__panel-foot-code {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-orange);
}

.page-products .yk-products-core {
  padding: 80px 0;
  position: relative;
  background: linear-gradient(180deg, var(--bg-primary), #071425);
}

.page-products .yk-products-core .section__head {
  margin-bottom: 40px;
}

.page-products .yk-products-core__tabs {
  position: relative;
}

.page-products .yk-products-core__input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  margin: 0;
  pointer-events: none;
}

.page-products .yk-products-core__labels {
  display: flex;
  position: relative;
  border-bottom: 1px solid rgba(0, 229, 255, 0.2);
  margin-bottom: 32px;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-products .yk-products-core__labels::-webkit-scrollbar {
  display: none;
}

.page-products .yk-products-core__label {
  flex: 1 1 auto;
  text-align: center;
  padding: 16px 10px;
  font-weight: 600;
  font-size: 0.92rem;
  line-height: 1.4;
  color: var(--text-muted);
  cursor: pointer;
  transition: color 0.3s ease;
  white-space: nowrap;
  border: 0;
  background: none;
  user-select: none;
}

.page-products .yk-products-core__label-num {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  margin-right: 6px;
  color: var(--accent-blue);
  opacity: 0.6;
}

.page-products .yk-products-core__bar {
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 33.333%;
  height: 3px;
  background: var(--accent-blue);
  box-shadow: var(--yk-blue-glow);
  border-radius: 1px;
  transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1);
  pointer-events: none;
  z-index: 2;
}

.page-products #yk-score-tab:checked ~ .yk-products-core__labels .yk-products-core__bar {
  transform: translateX(100%);
}

.page-products #yk-history-tab:checked ~ .yk-products-core__labels .yk-products-core__bar {
  transform: translateX(200%);
}

.page-products #yk-schedule-tab:checked ~ .yk-products-core__labels label[for="yk-schedule-tab"],
.page-products #yk-score-tab:checked ~ .yk-products-core__labels label[for="yk-score-tab"],
.page-products #yk-history-tab:checked ~ .yk-products-core__labels label[for="yk-history-tab"] {
  color: var(--accent-blue);
}

.page-products #yk-schedule-tab:focus-visible ~ .yk-products-core__labels label[for="yk-schedule-tab"],
.page-products #yk-score-tab:focus-visible ~ .yk-products-core__labels label[for="yk-score-tab"],
.page-products #yk-history-tab:focus-visible ~ .yk-products-core__labels label[for="yk-history-tab"] {
  outline: 2px solid var(--accent-blue);
  outline-offset: -2px;
}

.page-products .yk-products-core__panels {
  display: grid;
}

.page-products .yk-products-tab {
  grid-area: 1 / 1;
  opacity: 0;
  visibility: hidden;
  transform: translateX(60px);
  transition: opacity 0.45s ease, transform 0.45s ease, visibility 0s linear 0.45s;
  pointer-events: none;
  min-height: 0;
}

.page-products #yk-schedule-tab:checked ~ .yk-products-core__panels #yk-schedule-panel,
.page-products #yk-score-tab:checked ~ .yk-products-core__panels #yk-score-panel,
.page-products #yk-history-tab:checked ~ .yk-products-core__panels #yk-history-panel {
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
  transition-delay: 0s;
  pointer-events: auto;
  z-index: 1;
}

.page-products .yk-products-tab__grid {
  display: grid;
  gap: 32px;
  align-items: start;
}

.page-products .yk-products-tab__content h3 {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  margin-bottom: 16px;
  position: relative;
  padding-left: 14px;
}

.page-products .yk-products-tab__content h3::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.15em;
  bottom: 0.15em;
  width: 3px;
  background: var(--accent-green);
  box-shadow: var(--yk-green-glow);
}

.page-products .yk-products-tab__content p {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 20px;
}

.page-products .yk-products-tab__list {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
  display: grid;
  gap: 10px;
}

.page-products .yk-products-tab__list li {
  position: relative;
  padding-left: 20px;
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--text-secondary);
}

.page-products .yk-products-tab__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 7px;
  height: 7px;
  background: var(--accent-blue);
  clip-path: polygon(0 0, 100% 0, 100% 100%);
}

.page-products .yk-products-tab__media {
  margin: 0;
  border: 1px solid var(--yk-line);
  padding: 10px;
  background: rgba(26, 58, 92, 0.3);
}

.page-products .yk-products-tab__media img {
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 3 / 4;
}

.page-products .yk-products-tab__media figcaption {
  padding: 10px 4px 2px;
  font-size: 0.78rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.page-products .yk-products-scoreboard {
  margin: 24px 0 0;
  border: 1px solid rgba(57, 255, 20, 0.3);
  background: rgba(11, 29, 58, 0.85);
  padding: 14px;
  position: relative;
}

.page-products .yk-products-scoreboard__head {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.12em;
  margin-bottom: 10px;
}

.page-products .yk-products-scoreboard__head span:last-child {
  color: var(--accent-green);
  animation: yk-pulse-dot 1.6s infinite;
}

.page-products .yk-products-scoreboard__body {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.page-products .yk-products-scoreboard__club {
  font-size: 0.85rem;
  color: var(--text-secondary);
  width: 25%;
}

.page-products .yk-products-scoreboard__club:last-child {
  text-align: right;
}

.page-products .yk-products-scoreboard__score {
  font-family: var(--font-mono);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--accent-green);
  text-shadow: var(--yk-green-glow);
  line-height: 1;
  letter-spacing: 0.04em;
}

.page-products .yk-products-scoreboard__foot {
  display: flex;
  justify-content: space-between;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  color: var(--text-muted);
}

.page-products .yk-products-scoreboard:hover .yk-products-scoreboard__score {
  animation: yk-flicker 0.5s steps(2, start) infinite;
}

@keyframes yk-flicker {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.55;
  }
}

@keyframes yk-pulse-dot {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.3;
  }
}

.page-products .yk-products-version {
  padding: 80px 0;
  background: #071425;
  border-top: 1px solid rgba(0, 229, 255, 0.12);
  border-bottom: 1px solid rgba(0, 229, 255, 0.12);
  clip-path: polygon(0 2%, 100% 0, 100% 98%, 0 100%);
}

.page-products .yk-products-version__grid {
  display: grid;
  gap: 18px;
  margin: 36px 0 40px;
}

.page-products .yk-products-version-card {
  background: var(--bg-card);
  border: 1px solid var(--yk-line);
  padding: 26px;
  position: relative;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.page-products .yk-products-version-card:hover,
.page-products .yk-products-version-card:focus-within {
  transform: translateY(-6px);
  box-shadow: var(--yk-blue-glow);
  border-color: rgba(0, 229, 255, 0.55);
}

.page-products .yk-products-version-card__num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-orange);
  letter-spacing: 0.12em;
}

.page-products .yk-products-version-card h3 {
  font-size: 1.25rem;
  margin: 14px 0 10px;
}

.page-products .yk-products-version-card p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.7;
  margin: 0;
}

.page-products .yk-products-version-card__extra {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transform: translateY(-6px);
  transition: max-height 0.45s ease, opacity 0.45s ease, transform 0.45s ease;
  margin: 0;
  color: var(--text-muted) !important;
  font-size: 0.88rem !important;
  line-height: 1.7 !important;
}

.page-products .yk-products-version-card:hover .yk-products-version-card__extra,
.page-products .yk-products-version-card:focus-within .yk-products-version-card__extra {
  max-height: 240px;
  opacity: 1;
  transform: translateY(0);
}

.page-products .yk-products-version__timeline {
  border: 1px solid var(--yk-line);
  background: rgba(26, 58, 92, 0.2);
  padding: 24px;
}

.page-products .yk-products-version__timeline-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.page-products .yk-products-version__timeline-head h3 {
  margin: 0;
  font-size: 1.25rem;
}

.page-products .yk-products-version__timeline-head p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.page-products .yk-products-version__timeline-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
}

.page-products .yk-products-version__timeline-list li {
  border-top: 2px solid rgba(0, 229, 255, 0.4);
  padding: 10px 2px 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-products .yk-products-version__timeline-list span {
  font-size: 0.7rem;
  color: var(--text-muted);
}

.page-products .yk-products-version__timeline-list strong {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--accent-green);
}

.page-products .yk-products-note {
  margin-top: 24px;
  border-left: 3px solid var(--accent-orange);
  background: rgba(255, 107, 0, 0.06);
  padding: 18px 20px;
}

.page-products .yk-products-note p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.75;
}

.page-products .yk-products-scenario {
  padding: 80px 0;
  background: var(--bg-primary);
}

.page-products .yk-products-scenario__layout {
  display: grid;
  gap: 32px;
}

.page-products .yk-products-scenario__image {
  margin: 0;
  border: 1px solid var(--yk-line);
  background: rgba(26, 58, 92, 0.3);
  padding: 10px;
}

.page-products .yk-products-scenario__image img {
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 12 / 7;
}

.page-products .yk-products-scenario__image figcaption {
  font-size: 0.78rem;
  color: var(--text-muted);
  padding: 10px 4px 2px;
  font-family: var(--font-mono);
}

.page-products .yk-products-scenario__list {
  display: grid;
  gap: 14px;
}

.page-products .yk-products-scenario-card {
  display: flex;
  gap: 18px;
  padding: 22px;
  background: rgba(11, 29, 58, 0.5);
  border: 1px solid rgba(0, 229, 255, 0.14);
  align-items: flex-start;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.page-products .yk-products-scenario-card:hover {
  border-color: rgba(0, 229, 255, 0.6);
  box-shadow: var(--yk-blue-glow);
}

.page-products .yk-products-scenario-card__icon {
  flex: 0 0 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--accent-orange);
  color: var(--accent-orange);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  background: rgba(255, 107, 0, 0.08);
}

.page-products .yk-products-scenario-card h3 {
  margin: 0 0 6px;
  font-size: 1.06rem;
}

.page-products .yk-products-scenario-card p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.7;
}

.page-products .yk-products-coverage {
  padding: 80px 0;
  background: #071425;
  border-top: 1px solid rgba(0, 229, 255, 0.12);
}

.page-products .yk-products-coverage__layout {
  display: grid;
  gap: 36px;
  margin-bottom: 36px;
}

.page-products .yk-products-coverage__image {
  margin: 0;
  border: 1px solid var(--yk-line);
  padding: 10px;
  background: rgba(26, 58, 92, 0.25);
}

.page-products .yk-products-coverage__image img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-products .yk-products-coverage__image figcaption {
  font-size: 0.78rem;
  color: var(--text-muted);
  padding: 10px 4px 2px;
  font-family: var(--font-mono);
}

.page-products .yk-products-coverage__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.page-products .yk-products-coverage__stats .stat {
  background: var(--bg-card);
  border: 1px solid var(--yk-line);
  padding: 22px 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-products .yk-products-coverage__stats .stat__num {
  font-size: 2.2rem;
}

.page-products .yk-products-coverage__stats .stat__label {
  font-size: 0.82rem;
  line-height: 1.5;
  color: var(--text-muted);
}

.page-products .yk-products-coverage__tags {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .yk-products-coverage__tags .tag {
  padding: 8px 18px;
  font-size: 0.9rem;
  border: 1px solid rgba(0, 229, 255, 0.35);
  color: var(--text-primary);
  background: rgba(0, 229, 255, 0.05);
  border-radius: 0;
}

.page-products .yk-products-cta {
  padding: 72px 0;
  background: var(--bg-primary);
  border-top: 1px solid rgba(255, 107, 0, 0.15);
}

.page-products .yk-products-cta__inner {
  display: grid;
  gap: 28px;
  text-align: left;
}

.page-products .yk-products-cta .section__title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  margin: 12px 0 12px;
}

.page-products .yk-products-cta p {
  color: var(--text-secondary);
  max-width: 62ch;
  line-height: 1.7;
}

.page-products .yk-products-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

@media (min-width: 760px) {
  .page-products .yk-products-version__timeline-list {
    grid-template-columns: repeat(7, 1fr);
  }
}

@media (min-width: 860px) {
  .page-products .yk-products-hero__inner {
    grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
    gap: 64px;
  }

  .page-products .yk-products-tab__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
    gap: 48px;
    align-items: center;
  }

  .page-products .yk-products-version__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }

  .page-products .yk-products-scenario__layout {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 44px;
    align-items: stretch;
  }

  .page-products .yk-products-coverage__layout {
    grid-template-columns: 0.9fr 1.1fr;
    gap: 44px;
    align-items: center;
  }
}

@media (min-width: 900px) {
  .page-products .yk-products-cta__inner {
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 40px;
  }
}