.page-products {
  --pf-panel: var(--bg-panel);
  --pf-line: var(--divider);
  --pf-text: var(--text-high);
  --pf-muted: var(--text-muted);
  --pf-green: var(--accent-green);
  --pf-orange: var(--accent-orange);
  position: relative;
  padding: 24px 20px 72px;
}

.page-products .breadcrumbs {
  max-width: 1280px;
  margin: 0 auto 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.page-products .breadcrumbs a {
  color: var(--pf-muted);
  text-decoration: none;
  transition: color 0.2s var(--ease);
  font-size: 13px;
}

.page-products .breadcrumbs a[aria-current="page"] {
  color: var(--pf-text);
  font-weight: 600;
}

.page-products .products-hero {
  max-width: 1280px;
  margin: 0 auto 56px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  position: relative;
  overflow: hidden;
  padding-top: 8px;
}

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

.page-products .products-hero-copy .section-label {
  margin-bottom: 20px;
}

.page-products .products-hero-copy .display-title {
  font-size: clamp(36px, 7vw, 72px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
  max-width: 640px;
}

.page-products .products-hero-desc {
  font-size: 17px;
  line-height: 1.7;
  color: var(--pf-muted);
  max-width: 540px;
  margin: 0 0 24px;
}

.page-products .products-hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

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

.page-products .param-window {
  background: var(--pf-panel);
  border: 1px solid var(--pf-line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 24px 48px rgba(4, 10, 20, 0.45);
}

.page-products .param-window-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 12px 14px;
  background: rgba(232, 240, 254, 0.04);
  border-bottom: 1px solid var(--pf-line);
}

.page-products .param-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #33496b;
  flex-shrink: 0;
}

.page-products .param-dot--red {
  background: var(--danger);
}

.page-products .param-dot--yellow {
  background: var(--pf-orange);
}

.page-products .param-dot--green {
  background: var(--pf-green);
}

.page-products .param-window-title {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--pf-muted);
  margin-left: 8px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.page-products .param-live {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--pf-green);
  flex-shrink: 0;
}

.page-products .param-live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--pf-green);
  animation: pf-live-pulse 1.6s ease-in-out infinite;
}

.page-products .param-list {
  margin: 0;
  padding: 8px 0;
}

.page-products .param-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 16px;
  border-bottom: 1px solid rgba(38, 69, 102, 0.5);
  transition: background 0.2s var(--ease);
}

.page-products .param-row:last-child {
  border-bottom: none;
}

.page-products .param-row:hover {
  background: var(--white-layer);
}

.page-products .param-row dt {
  font-size: 13px;
  color: var(--pf-muted);
}

.page-products .param-row dd {
  margin: 0;
  font-size: 15px;
  color: var(--pf-text);
  font-weight: 600;
  white-space: nowrap;
  text-align: right;
}

.page-products .param-row dd .num {
  color: var(--pf-green);
  font-size: 18px;
  margin-right: 2px;
}

.page-products .product-layout {
  max-width: 1280px;
  margin: 0 auto 56px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.page-products .product-index {
  background: var(--pf-panel);
  border: 1px solid var(--pf-line);
  border-left: 3px solid var(--pf-orange);
  padding: 20px 16px;
  border-radius: 0 var(--radius) var(--radius) 0;
}

.page-products .product-index-title {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--pf-muted);
  text-transform: uppercase;
  margin: 0 0 16px;
  font-family: var(--font-mono);
}

.page-products .product-index-list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 8px;
}

.page-products .product-index-list li {
  flex-shrink: 0;
}

.page-products .product-index-list a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  color: var(--pf-muted);
  text-decoration: none;
  border: 1px solid var(--pf-line);
  border-radius: var(--radius);
  transition: all 0.2s var(--ease);
  font-size: 14px;
  line-height: 1.4;
  white-space: nowrap;
  background: var(--bg-deep);
}

.page-products .product-index-list a:hover {
  color: var(--pf-text);
  border-color: var(--pf-green);
  background: rgba(232, 240, 254, 0.04);
}

.page-products .index-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--pf-orange);
  flex-shrink: 0;
}

.page-products .product-index-help {
  width: 100%;
  justify-content: center;
}

.page-products .product-main {
  display: flex;
  flex-direction: column;
  gap: 56px;
}

.page-products .feature-block {
  position: relative;
  padding-top: 32px;
  border-top: 2px solid var(--pf-line);
}

.page-products .feature-block::before {
  content: "";
  position: absolute;
  top: -2px;
  left: 0;
  width: 72px;
  height: 2px;
}

.page-products .feature-block--realtime::before,
.page-products .feature-block--marathon::before,
.page-products .feature-block--beginner::before {
  background: var(--pf-green);
}

.page-products .feature-block--compare::before,
.page-products .feature-block--archive::before {
  background: var(--pf-orange);
}

.page-products .feature-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 40px;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: #0A1628;
  background: var(--pf-orange);
  clip-path: polygon(0 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
  flex-shrink: 0;
}

.page-products .feature-block--realtime .feature-num,
.page-products .feature-block--marathon .feature-num,
.page-products .feature-block--beginner .feature-num {
  background: var(--pf-green);
}

.page-products .feature-head {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 24px;
}

.page-products .feature-head-copy {
  min-width: 0;
}

.page-products .feature-head h2 {
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 900;
  line-height: 1.2;
  margin: 0 0 8px;
  color: var(--pf-text);
}

.page-products .feature-sub {
  margin: 0;
  font-size: 14px;
  color: var(--pf-muted);
  line-height: 1.6;
  max-width: 560px;
}

.page-products .feature-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-products .feature-frame {
  margin: 0;
  background: var(--pf-panel);
  border: 1px solid var(--pf-line);
  border-radius: var(--radius);
  padding: 8px;
  min-width: 0;
  transition: border-color 0.2s var(--ease);
}

.page-products .feature-frame:hover {
  border-color: rgba(68, 255, 176, 0.4);
}

.page-products .feature-frame--terminal::before {
  content: "";
  display: block;
  height: 24px;
  margin-bottom: 8px;
  background:
    radial-gradient(circle 4px at 12px 50%, var(--danger) 100%, transparent 0),
    radial-gradient(circle 4px at 26px 50%, var(--pf-orange) 100%, transparent 0),
    radial-gradient(circle 4px at 40px 50%, var(--pf-green) 100%, transparent 0);
  background-repeat: no-repeat;
}

.page-products .feature-img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 4px;
  background: linear-gradient(135deg, #101F36 0%, #0A1628 100%);
}

.page-products .feature-text {
  min-width: 0;
  font-size: 16px;
  line-height: 1.7;
  color: var(--pf-muted);
}

.page-products .feature-text p {
  margin: 0 0 16px;
}

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

.page-products .feature-list li {
  position: relative;
  padding-left: 26px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--pf-muted);
}

.page-products .feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 12px;
  height: 12px;
  border: 2px solid var(--pf-green);
  border-radius: 2px;
  transform: rotate(45deg);
}

.page-products .feature-list li:hover {
  color: var(--pf-text);
}

.page-products .feature-help-btn {
  margin-top: 8px;
}

.page-products .products-spec-strip {
  max-width: 1280px;
  margin: 0 auto 56px;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 150px;
  gap: 1px;
  overflow-x: auto;
  background: var(--pf-panel);
  border: 1px solid var(--pf-line);
  border-radius: var(--radius);
  scrollbar-width: thin;
  scrollbar-color: var(--pf-line) transparent;
}

.page-products .spec-cell {
  padding: 18px 20px;
  background: var(--pf-panel);
  border-right: 1px solid rgba(38, 69, 102, 0.5);
}

.page-products .spec-cell:last-child {
  border-right: none;
}

.page-products .spec-cell-label {
  display: block;
  font-size: 12px;
  color: var(--pf-muted);
  margin-bottom: 6px;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.page-products .spec-cell-value {
  font-size: 26px;
  font-weight: 700;
  color: var(--pf-text);
  white-space: nowrap;
}

.page-products .spec-cell-value .num {
  color: var(--pf-green);
  font-size: 34px;
}

.page-products .products-bridge {
  max-width: 1280px;
  margin: 0 auto;
  padding-top: 40px;
  border-top: 1px solid var(--pf-line);
}

.page-products .products-bridge .section-label {
  margin-bottom: 24px;
}

.page-products .bridge-links {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-products .bridge-card {
  display: block;
  padding: 20px;
  background: var(--pf-panel);
  border: 1px solid var(--pf-line);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--pf-text);
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-products .bridge-card:hover {
  border-color: var(--pf-green);
  transform: translateY(-2px);
}

.page-products .bridge-card-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--pf-orange);
  margin-bottom: 6px;
  letter-spacing: 0.08em;
}

.page-products .bridge-card span:last-child {
  font-size: 14px;
  color: var(--pf-muted);
  line-height: 1.6;
}

@keyframes pf-live-pulse {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(68, 255, 176, 0.45);
  }
  50% {
    box-shadow: 0 0 0 6px rgba(68, 255, 176, 0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .param-live-dot {
    animation: none;
  }
}

@media (min-width: 768px) {
  .page-products .bridge-links {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-products .products-spec-strip {
    grid-auto-columns: 1fr;
    overflow: visible;
  }
}

@media (min-width: 1024px) {
  .page-products {
    padding: 32px 32px 88px;
  }

  .page-products .products-hero {
    grid-template-columns: 7fr 5fr;
    gap: 48px;
    align-items: center;
    padding-top: 24px;
  }

  .page-products .products-hero::before {
    content: "SPEC 2026";
    position: absolute;
    top: 0;
    right: 0;
    font-family: var(--font-display);
    font-weight: 900;
    font-size: clamp(80px, 12vw, 180px);
    line-height: 1;
    color: transparent;
    -webkit-text-stroke: 1px rgba(232, 240, 254, 0.07);
    pointer-events: none;
    z-index: 0;
  }

  .page-products .products-hero-copy .display-title {
    font-size: clamp(48px, 5.5vw, 72px);
  }

  .page-products .product-layout {
    grid-template-columns: 260px 1fr;
    gap: 48px;
    align-items: start;
  }

  .page-products .product-index {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-products .product-index-list {
    display: block;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-products .product-index-list li {
    margin-bottom: 4px;
  }

  .page-products .product-index-list a {
    background: transparent;
    border-color: transparent;
    white-space: normal;
  }

  .page-products .feature-body {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    align-items: center;
  }

  .page-products .feature-block--realtime .feature-body,
  .page-products .feature-block--marathon .feature-body {
    grid-template-columns: 3fr 2fr;
  }

  .page-products .feature-block--compare .feature-body,
  .page-products .feature-block--archive .feature-body,
  .page-products .feature-block--beginner .feature-body {
    grid-template-columns: 2fr 3fr;
  }

  .page-products .feature-text p {
    font-size: 16px;
  }
}