.page-products {
  --color-bg: #0B0F19;
  --color-surface: #111827;
  --color-primary: #2563EB;
  --color-primary-bright: #3B82F6;
  --color-accent: #F97316;
  --color-teal: #0F766E;
  --color-wine: #991B1B;
  --color-text: #F9FAFB;
  --color-text-dim: #9CA3AF;
  --color-text-faint: #4B5563;
  --color-border: #1F2937;
  --content-max: 1200px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  background: var(--color-bg);
  color: var(--color-text);
  font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  line-height: 1.6;
  overflow-x: clip;
}

/* ===== Hero ===== */
.page-products .hero {
  padding: clamp(2rem, 5vw, 3.5rem) var(--gutter);
  max-width: var(--content-max);
  margin: 0 auto;
}

.page-products .hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  position: relative;
  padding-top: 1rem;
}

.page-products .hero-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1rem;
}

.page-products .page-title {
  font-size: clamp(2.25rem, 6vw, 4.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin: 0;
  max-width: 18em;
  hyphens: manual;
}

.page-products .page-lead {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--color-text-dim);
  max-width: 36em;
  margin: 0;
}

.page-products .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.page-products .hero-facts {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem 2rem;
}

.page-products .hero-facts span {
  display: block;
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--color-accent);
  letter-spacing: -0.02em;
}

.page-products .hero-visual {
  width: 100%;
}

.page-products .hero-visual img,
.page-products .features-media img,
.page-products .device-visual img,
.page-products .timeline-stage img,
.page-products .download-store-list img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ===== Features ===== */
.page-products .features {
  padding: clamp(2.5rem, 6vw, 5rem) var(--gutter);
  max-width: var(--content-max);
  margin: 0 auto;
  border-top: 1px solid var(--color-border);
}

.page-products .section-head {
  margin-bottom: 2.5rem;
  display: grid;
  gap: 0.5rem;
}

.page-products .section-head h2 {
  font-size: clamp(1.75rem, 4vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0;
}

.page-products .section-head p:last-child {
  color: var(--color-text-dim);
  margin: 0;
  max-width: 32em;
}

.page-products .section-label {
  color: var(--color-accent);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 0 0 0.5rem;
  position: relative;
  padding-left: 2rem;
}

.page-products .section-label::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 1.25rem;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
}

.page-products .feature-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.page-products .feature-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 0;
  padding: 1.5rem;
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.25rem 1rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.page-products .feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(37, 99, 235, 0.12), 0 0 0 1px var(--color-primary);
}

.page-products .feature-index {
  grid-column: 1 / -1;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-primary-bright);
  margin-bottom: 0.25rem;
}

.page-products .feature-icon {
  color: var(--color-accent);
  display: inline-flex;
  align-items: flex-start;
  padding-top: 0.2rem;
}

.page-products .feature-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin: 0;
  letter-spacing: -0.01em;
  line-height: 1.35;
}

.page-products .feature-card p {
  grid-column: 1 / -1;
  margin: 0.5rem 0 1rem;
  color: var(--color-text-dim);
  font-size: 0.95rem;
}

.page-products .feature-note {
  grid-column: 1 / -1;
  background: var(--color-bg);
  padding: 0.75rem 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.85rem;
}

.page-products .feature-note strong {
  color: var(--color-text);
  font-weight: 600;
  white-space: nowrap;
}

.page-products .feature-note span {
  color: var(--color-accent);
  font-weight: 600;
  text-align: right;
}

.page-products .features-media {
  margin-top: 1.5rem;
}

/* ===== Devices ===== */
.page-products .devices {
  padding: clamp(2.5rem, 6vw, 5rem) var(--gutter);
  max-width: var(--content-max);
  margin: 0 auto;
  border-top: 1px solid var(--color-border);
  background: linear-gradient(180deg, var(--color-bg) 0%, rgba(17, 24, 39, 0.85) 100%);
}

.page-products .device-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 1rem;
}

.page-products .device-tab {
  appearance: none;
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text-dim);
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.65rem 1.25rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.page-products .device-tab:hover {
  border-color: var(--color-primary);
  color: var(--color-text);
}

.page-products .device-tab.is-active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-text);
}

.page-products .device-panel {
  display: none;
}

.page-products .device-panel.is-active {
  display: block;
}

.page-products .grid-editorial {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.page-products .grid-editorial--inverted {
  direction: ltr;
}

.page-products .device-copy {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: flex-start;
}

.page-products .device-copy h3 {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0;
}

.page-products .device-copy p {
  color: var(--color-text-dim);
  margin: 0;
  max-width: 32em;
}

.page-products .device-points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.page-products .device-points li {
  position: relative;
  padding-left: 1.5rem;
  color: var(--color-text);
  font-size: 0.95rem;
}

.page-products .device-points li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 8px;
  height: 8px;
  background: var(--color-accent);
  transform: skew(-20deg);
}

.page-products .device-visual {
  width: 100%;
}

.page-products .media-frame--landscape {
  aspect-ratio: 2 / 1;
  overflow: hidden;
}

.page-products .media-frame--landscape img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-products .media-frame--square {
  aspect-ratio: 1 / 1;
  overflow: hidden;
}

.page-products .media-frame--square img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ===== Timeline ===== */
.page-products .timeline {
  padding: clamp(2.5rem, 6vw, 5rem) var(--gutter);
  max-width: var(--content-max);
  margin: 0 auto;
  border-top: 1px solid var(--color-border);
}

.page-products .timeline-stage {
  margin-bottom: 2.5rem;
}

.page-products .timeline-list {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
  display: grid;
  gap: 1.5rem;
}

.page-products .timeline-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0 1.25rem;
  padding-left: 0;
  position: relative;
}

.page-products .timeline-item::before {
  content: '';
  position: absolute;
  left: 1.55rem;
  top: 0;
  bottom: -1.5rem;
  width: 1px;
  background: linear-gradient(180deg, var(--color-primary) 0%, transparent 100%);
}

.page-products .timeline-item:last-child::before {
  display: none;
}

.page-products .version-badge {
  grid-column: 1;
  grid-row: 1;
  align-self: start;
  background: var(--color-bg);
  border: 1px solid var(--color-primary);
  color: var(--color-primary-bright);
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  padding: 0.4rem 0.75rem;
  white-space: nowrap;
  position: relative;
  z-index: 1;
}

.page-products .version-content {
  grid-column: 2;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 1.25rem 1.5rem;
}

.page-products .version-content h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0 0 0.35rem;
  letter-spacing: -0.01em;
}

.page-products .version-content p {
  margin: 0;
  color: var(--color-text-dim);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ===== Download ===== */
.page-products .download {
  padding: clamp(2.5rem, 6vw, 5rem) var(--gutter);
  max-width: var(--content-max);
  margin: 0 auto;
  border-top: 1px solid var(--color-border);
}

.page-products .download-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.page-products .download-copy {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: flex-start;
}

.page-products .download-copy h2 {
  font-size: clamp(1.75rem, 4vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0;
}

.page-products .download-copy p:not(.section-label) {
  color: var(--color-text-dim);
  margin: 0;
  max-width: 32em;
}

.page-products .system-requirements {
  list-style: none;
  margin: 0.5rem 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  width: 100%;
  max-width: 26em;
}

.page-products .system-requirements li {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 0.75rem 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
}

.page-products .system-requirements strong {
  color: var(--color-text);
  font-weight: 600;
}

.page-products .system-requirements span {
  color: var(--color-accent);
}

.page-products .download-note {
  font-size: 0.85rem;
  padding: 0.75rem 1rem;
  background: rgba(37, 99, 235, 0.08);
  border-left: 3px solid var(--color-primary);
}

.page-products a {
  color: var(--color-primary-bright);
  text-decoration: none;
  transition: border-color 0.2s ease, color 0.2s ease;
  border-bottom: 1px solid transparent;
}

.page-products a:hover {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.page-products .download-panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 1.5rem;
  display: grid;
  gap: 1rem;
  align-content: start;
  position: relative;
  overflow: hidden;
}

.page-products .download-panel::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
}

.page-products .platform-buttons {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem;
}

.page-products .platform-btn {
  display: inline-block;
  text-align: center;
  background: var(--color-bg);
  border: 1px solid var(--color-primary);
  color: var(--color-text);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.75rem 0.5rem;
  transition: all 0.2s ease;
  user-select: none;
}

.page-products .platform-btn:nth-child(even) {
  border-color: var(--color-accent);
}

.page-products .platform-btn:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-text);
}

.page-products .platform-btn:nth-child(even):hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.page-products .download-tip {
  font-size: 0.8rem;
  color: var(--color-text-faint);
  margin: 0;
  text-align: center;
}

.page-products .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s ease;
  border-bottom: none;
}

.page-products .btn:hover {
  border-bottom: none;
}

.page-products .btn--accent {
  background: var(--color-accent);
  color: var(--color-bg);
}

.page-products .btn--accent:hover {
  background: transparent;
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.page-products .btn--ghost {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-primary);
}

.page-products .btn--ghost:hover {
  background: var(--color-primary);
  color: var(--color-text);
  border-color: var(--color-primary);
}

.page-products .btn--block {
  display: flex;
  width: 100%;
}

.page-products .support-bar {
  margin-top: 2rem;
  padding: 1rem 1.25rem;
  background: var(--color-surface);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
}

.page-products .support-bar p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--color-text-dim);
}

.page-products .support-bar strong {
  color: var(--color-text);
}

/* ===== Frame/media helpers ===== */
.page-products .frame {
  border: 1px solid var(--color-border);
  position: relative;
}

.page-products .frame::before,
.page-products .frame::after {
  content: '';
  position: absolute;
  width: 14px;
  height: 14px;
  pointer-events: none;
}

.page-products .frame::before {
  top: -1px;
  left: -1px;
  border-top: 2px solid var(--color-primary);
  border-left: 2px solid var(--color-primary);
}

.page-products .frame::after {
  bottom: -1px;
  right: -1px;
  border-bottom: 2px solid var(--color-accent);
  border-right: 2px solid var(--color-accent);
}

.page-products .media-frame {
  position: relative;
  overflow: hidden;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
}

.page-products .media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
}

.page-products .media-frame:hover img {
  transform: scale(1.02);
}

.page-products .media-frame--square img,
.page-products .media-frame--portrait img {
  min-height: 200px;
}

/* ===== bg-diagonal ===== */
.page-products .bg-diagonal {
  position: relative;
}

.page-products .bg-diagonal::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  bottom: 0;
  left: 40%;
  background: linear-gradient(135deg, transparent 0%, transparent 45%, rgba(37, 99, 235, 0.08) 50%, transparent 55%);
  pointer-events: none;
}

/* ===== Tablets/mobile ===== */
@media (min-width: 768px) {
  .page-products .hero-grid {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
    gap: 2rem;
  }

  .page-products .feature-list {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
  }

  .page-products .feature-card {
    padding: 2rem;
  }

  .page-products .feature-card p {
    font-size: 1rem;
  }

  .page-products .grid-editorial {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    align-items: center;
  }

  .page-products .device-copy {
    padding-right: 0;
  }

  .page-products .timeline-list {
    grid-template-columns: 1fr;
    max-width: 760px;
    margin-left: auto;
    margin-right: auto;
  }

  .page-products .download-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    align-items: start;
  }

  .page-products .download-panel {
    padding: 2rem;
  }
}

@media (min-width: 1080px) {
  .page-products .feature-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-products .features-media {
    margin-top: 2rem;
  }

  .page-products .timeline-item {
    grid-template-columns: auto 1fr;
    gap: 0 2rem;
  }

  .page-products .timeline-item::before {
    left: 1.8rem;
  }

  .page-products .version-badge {
    font-size: 0.95rem;
    padding: 0.5rem 1rem;
  }
}

/* ===== Reduced motion ===== */
@media (prefers-reduced-motion: reduce) {
  .page-products *,
  .page-products *::before,
  .page-products *::after {
    animation: none !important;
    transition: none !important;
  }

  .page-products .feature-card:hover,
  .page-products .media-frame img,
  .page-products .btn,
  .page-products .device-tab {
    transform: none;
  }
}

/* ===== Mobile tab display ===== */
@media (max-width: 767px) {
  .page-products .device-tabs {
    gap: 0.35rem;
  }

  .page-products .device-tab {
    flex: 1;
    padding: 0.6rem 0.75rem;
    font-size: 0.82rem;
  }

  .page-products .system-requirements {
    grid-template-columns: 1fr;
  }

  .page-products .platform-buttons {
    grid-template-columns: 1fr;
  }

  .page-products .support-bar {
    flex-direction: column;
    align-items: flex-start;
  }

  .page-products .features-media {
    aspect-ratio: 4 / 3;
    overflow: hidden;
  }

  .page-products .features-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .page-products .timeline-stage {
    aspect-ratio: 14 / 9;
    overflow: hidden;
  }

  .page-products .timeline-stage img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
}