.page-products {
  --page-blue-deep: #0A1128;
  --page-blue-panel: #111D3A;
  --page-blue-card: #16234A;
  --page-green: #3DFF8B;
  --page-gold: #FFC107;
  --page-text: #E6EDF5;
  --page-muted: #93A7C4;
  --page-line: #2A3B5C;
  --page-grid-size: 32px;
  position: relative;
  color: var(--page-text);
  background-color: var(--page-blue-deep);
  background-image:
    linear-gradient(var(--page-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--page-line) 1px, transparent 1px);
  background-size: var(--page-grid-size) var(--page-grid-size);
  overflow: hidden;
}

.page-products .container {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
  position: relative;
  z-index: 1;
}

.page-products .breadcrumb {
  padding-top: 24px;
  padding-bottom: 8px;
}

.page-products .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
}

.page-products .breadcrumb-item {
  display: flex;
  align-items: center;
}

.page-products .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  color: var(--page-muted);
  margin-right: 8px;
}

.page-products .breadcrumb-link {
  color: var(--page-muted);
  text-decoration: none;
  transition: color 0.2s;
}

.page-products .breadcrumb-link:hover {
  color: var(--page-green);
}

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

.page-products .section-index {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--page-gold);
  margin-bottom: 12px;
  font-weight: 600;
}

.page-products .section-title {
  font-family: 'Archivo', 'Noto Sans SC', sans-serif;
  font-weight: 800;
  font-size: clamp(26px, 4vw, 40px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 0 0 14px;
  color: var(--page-text);
}

.page-products .section-desc {
  color: var(--page-muted);
  font-size: 15px;
  line-height: 1.8;
  margin: 0;
}

.page-products .section-header {
  border-bottom: 1px solid var(--page-line);
  padding-bottom: 28px;
  margin-bottom: 36px;
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px;
}

.page-products .section-header .section-desc {
  max-width: 460px;
}

.page-products .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: 'Archivo', 'Noto Sans SC', sans-serif;
  font-weight: 700;
  border-radius: var(--radius-sm, 4px);
  padding: 12px 24px;
  text-decoration: none;
  font-size: 14px;
  transition: border-color 0.2s, background-color 0.2s, color 0.2s, transform 0.2s;
  border: 1px solid transparent;
  cursor: pointer;
}

.page-products .btn-primary {
  background-color: var(--page-green);
  color: var(--page-blue-deep);
  border-color: var(--page-green);
}

.page-products .btn-primary:hover {
  background-color: var(--page-gold);
  border-color: var(--page-gold);
  transform: translateY(-2px);
}

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

.page-products .btn-ghost:hover {
  border-color: var(--page-green);
  color: var(--page-green);
  transform: translateY(-2px);
}

.page-products .media-caption {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--page-muted);
  letter-spacing: 0.06em;
  margin-top: 12px;
  text-align: right;
}

/* hero */
.page-products .product-hero {
  position: relative;
  padding: 16px 0 72px;
}

.page-products .product-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
}

.page-products .product-hero-copy {
  display: flex;
  flex-direction: column;
}

.page-products .product-hero h1 {
  font-family: 'Archivo', 'Noto Sans SC', sans-serif;
  font-weight: 800;
  font-size: clamp(30px, 6vw, 56px);
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin: 0 0 20px;
  color: var(--page-text);
}

.page-products .product-hero-lead {
  color: var(--page-muted);
  font-size: 17px;
  line-height: 1.9;
  max-width: 560px;
  margin-bottom: 28px;
}

.page-products .product-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 32px;
}

.page-products .product-hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 24px 0 0;
  border-top: 1px solid var(--page-line);
}

.page-products .product-hero-stats li {
  display: flex;
  flex-direction: column;
}

.page-products .product-hero-stats .capture-num {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 600;
  font-size: 26px;
  color: var(--page-text);
  letter-spacing: -0.02em;
}

.page-products .product-hero-stats .text-muted {
  font-size: 13px;
  color: var(--page-muted);
}

.page-products .product-hero-visual {
  position: relative;
}

.page-products .phone-frame {
  position: relative;
  border: 1px solid var(--page-line);
  border-radius: 24px;
  padding: 10px;
  background: var(--page-blue-panel);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.45);
  max-width: 420px;
  margin: 0 auto;
}

.page-products .phone-frame::before {
  content: "";
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  width: 90px;
  height: 6px;
  border-radius: 4px;
  background: var(--page-green);
  box-shadow: 0 0 12px rgba(61, 255, 139, 0.6);
}

.page-products .phone-frame img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 16px;
}

.page-products .phone-frame__scan {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  background: linear-gradient(115deg, transparent 35%, rgba(61, 255, 139, 0.12) 50%, transparent 65%);
  animation: page-scan 3.2s ease-in-out infinite;
  border-radius: 20px;
}

@keyframes page-scan {
  0%, 100% { transform: translateX(-30%); opacity: 0.4; }
  50% { transform: translateX(30%); opacity: 1; }
}

/* blueprint index */
.page-products .product-blueprint {
  position: relative;
  padding: 72px 0;
}

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

.page-products .blueprint-card {
  display: block;
  position: relative;
  background: var(--page-blue-card);
  border: 1px solid var(--page-line);
  border-radius: 8px;
  padding: 20px 22px;
  text-decoration: none;
  transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
  overflow: hidden;
}

.page-products .blueprint-card::after {
  content: "";
  position: absolute;
  right: -24px;
  top: -24px;
  width: 80px;
  height: 80px;
  background: radial-gradient(circle, rgba(61, 255, 139, 0.18) 0%, transparent 70%);
  transition: opacity 0.25s;
  opacity: 0;
}

.page-products .blueprint-card:hover {
  border-color: var(--page-green);
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.35);
}

.page-products .blueprint-card:hover::after {
  opacity: 1;
}

.page-products .blueprint-num {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px;
  font-weight: 600;
  color: var(--page-gold);
  margin-bottom: 8px;
}

.page-products .blueprint-name {
  display: block;
  font-family: 'Archivo', 'Noto Sans SC', sans-serif;
  font-weight: 800;
  font-size: 19px;
  color: var(--page-text);
  margin-bottom: 6px;
}

.page-products .blueprint-desc {
  display: block;
  color: var(--page-muted);
  font-size: 14px;
  line-height: 1.6;
}

/* feature section */
.page-products .product-feature {
  position: relative;
  padding: 56px 0;
  border-top: 1px solid var(--page-line);
}

.page-products .feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  align-items: start;
}

.page-products .feature-aside {
  display: flex;
  flex-direction: column;
}

.page-products .feature-aside .section-title {
  font-size: clamp(24px, 3.6vw, 36px);
}

.page-products .feature-lead {
  color: var(--page-muted);
  line-height: 1.9;
  font-size: 16px;
  margin-bottom: 24px;
}

.page-products .feature-list {
  margin: 0 0 28px;
  padding: 0;
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--page-line);
}

.page-products .feature-list > div {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 14px 4px;
  border-bottom: 1px solid var(--page-line);
}

.page-products .feature-list dt {
  font-family: 'Archivo', 'Noto Sans SC', sans-serif;
  font-weight: 700;
  color: var(--page-text);
  font-size: 15px;
  white-space: nowrap;
}

.page-products .feature-list dd {
  color: var(--page-muted);
  font-size: 14px;
  margin: 0;
  text-align: right;
}

.page-products .feature-check-list {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
}

.page-products .feature-check-list li {
  position: relative;
  padding: 10px 0 10px 30px;
  color: var(--page-muted);
  font-size: 15px;
  line-height: 1.7;
  border-bottom: 1px solid var(--page-line);
}

.page-products .feature-check-list li::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 17px;
  width: 8px;
  height: 8px;
  background: var(--page-green);
  border-radius: 50%;
  box-shadow: 0 0 8px rgba(61, 255, 139, 0.7);
}

.page-products .feature-check-list li:last-child {
  border-bottom: none;
}

.page-products .feature-panel {
  position: relative;
  background: var(--page-blue-panel);
  border: 1px solid var(--page-line);
  border-radius: 12px;
  padding: 36px 20px 20px;
  overflow: hidden;
}

.page-products .feature-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(42, 59, 92, 0.18) 1px, transparent 1px),
    linear-gradient(90deg, rgba(42, 59, 92, 0.18) 1px, transparent 1px);
  background-size: 16px 16px;
  pointer-events: none;
}

.page-products .feature-panel__num {
  position: absolute;
  right: 12px;
  top: 4px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 48px;
  font-weight: 800;
  color: transparent;
  -webkit-text-stroke: 1px var(--page-gold);
  opacity: 0.5;
  line-height: 1;
  pointer-events: none;
}

/* app feature diagram */
.page-products .feature-diagram {
  padding: 20px 0 6px;
  position: relative;
}

.page-products .flow-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  justify-content: center;
}

.page-products .flow-node {
  background: var(--page-blue-card);
  border: 1px solid var(--page-green);
  color: var(--page-text);
  border-radius: 6px;
  padding: 12px 18px;
  font-family: 'Archivo', 'Noto Sans SC', sans-serif;
  font-weight: 700;
  font-size: 14px;
  box-shadow: 0 0 16px rgba(61, 255, 139, 0.12);
}

.page-products .flow-arrow {
  width: 34px;
  height: 2px;
  background: var(--page-green);
  position: relative;
  flex-shrink: 0;
}

.page-products .flow-arrow::after {
  content: "";
  position: absolute;
  right: 0;
  top: -3px;
  border: 4px solid transparent;
  border-left: 8px solid var(--page-green);
}

/* cn monitor */
.page-products .cn-monitor {
  border: 1px solid var(--page-line);
  border-radius: 10px;
  background: var(--page-blue-deep);
  max-width: 520px;
  margin: 0 auto;
}

.page-products .cn-monitor__header {
  display: flex;
  gap: 7px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--page-line);
}

.page-products .cn-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--page-line);
}

.page-products .cn-dot:nth-child(2) {
  background: var(--page-gold);
}

.page-products .cn-dot:nth-child(3) {
  background: var(--page-green);
}

.page-products .cn-monitor__body {
  padding: 18px 16px;
  display: flex;
  flex-direction: column;
}

.page-products .cn-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid var(--page-line);
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  color: var(--page-text);
}

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

.page-products .cn-row em {
  font-style: normal;
  color: var(--page-green);
  font-weight: 700;
  background: rgba(61, 255, 139, 0.1);
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 12px;
}

/* subscription */
.page-products .league-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 28px;
}

.page-products .league-tags span {
  border: 1px solid var(--page-line);
  border-radius: 20px;
  padding: 6px 14px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  color: var(--page-text);
  transition: border-color 0.2s, color 0.2s;
}

.page-products .league-tags span:hover {
  border-color: var(--page-green);
  color: var(--page-green);
}

.page-products .subscription-visual img {
  display: block;
  width: 100%;
  max-width: 440px;
  height: auto;
  max-height: 500px;
  object-fit: cover;
  border-radius: 10px;
  border: 1px solid var(--page-line);
  margin: 0 auto;
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.35);
}

/* calendar */
.page-products .export-steps {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
  counter-reset: step;
}

.page-products .export-steps li {
  position: relative;
  background: var(--page-blue-card);
  border: 1px solid var(--page-line);
  border-radius: 8px;
  padding: 18px 18px 18px 20px;
  color: var(--page-text);
  font-size: 15px;
  line-height: 1.6;
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.page-products .export-steps li span {
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px;
  font-weight: 600;
  color: var(--page-gold);
  white-space: nowrap;
}

.page-products .export-steps li:hover {
  border-color: var(--page-gold);
}

.page-products .export-visual img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 10px;
  border: 1px solid var(--page-line);
}

/* platform */
.page-products .platform-list {
  list-style: none;
  margin: 0 0 30px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-products .platform-list li {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--page-text);
  font-size: 15px;
}

.page-products .platform-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 28px;
  border: 1px solid var(--page-line);
  border-radius: 4px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 700;
  color: var(--page-green);
  background: var(--page-blue-deep);
  letter-spacing: 0.04em;
}

.page-products .platform-visual img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 10px;
  border: 1px solid var(--page-line);
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.35);
}

/* version section */
.page-products .version-section {
  padding: 72px 0;
  border-top: 1px solid var(--page-line);
}

.page-products .version-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

.page-products .version-timeline {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-products .version-item {
  background: var(--page-blue-card);
  border: 1px solid var(--page-line);
  border-radius: 10px;
  overflow: hidden;
  transition: border-color 0.2s;
}

.page-products .version-item:hover {
  border-color: var(--page-green);
}

.page-products .version-item__head {
  padding: 18px 22px;
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 16px;
  align-items: center;
  cursor: default;
}

.page-products .version-tag {
  grid-row: span 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  font-weight: 600;
  color: var(--page-gold);
  border: 1px solid var(--page-gold);
  border-radius: 20px;
  padding: 3px 12px;
  height: fit-content;
}

.page-products .version-item h3 {
  font-family: 'Archivo', 'Noto Sans SC', sans-serif;
  font-size: 20px;
  font-weight: 800;
  color: var(--page-text);
  margin: 0;
}

.page-products .version-item__head p {
  font-size: 14px;
  color: var(--page-muted);
  margin: 2px 0 0;
  line-height: 1.5;
}

.page-products .version-log {
  border-top: 1px dashed var(--page-line);
  padding: 16px 22px 18px;
}

.page-products .version-log ul {
  margin: 0;
  padding-left: 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-products .version-log li {
  color: var(--page-muted);
  font-size: 14px;
  line-height: 1.7;
}

.page-products .version-log li::marker {
  color: var(--page-green);
}

.page-products .version-visual img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 10px;
  border: 1px solid var(--page-line);
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.35);
}

.version-section .page-products .version-item[data-open] .version-log {
  display: block;
}

.page-products .version-item[data-open] .version-log {
  display: block;
}

/* assurance */
.page-products .assurance-section {
  padding: 56px 0;
  border-top: 1px solid var(--page-line);
  background: var(--page-blue-panel);
}

.page-products .assurance-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 32px;
}

.page-products .assurance-item {
  text-align: center;
  padding: 24px 12px;
  border: 1px solid var(--page-line);
  border-radius: 8px;
  background: var(--page-blue-deep);
}

.page-products .assurance-num {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  font-size: clamp(26px, 4vw, 40px);
  color: var(--page-green);
  letter-spacing: -0.02em;
}

.page-products .assurance-label {
  color: var(--page-muted);
  font-size: 14px;
  margin: 6px 0 0;
}

.page-products .assurance-cert {
  border: 1px solid var(--page-line);
  border-radius: 12px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  background: var(--page-blue-deep);
}

.page-products .cert-badge {
  display: flex;
  flex-direction: column;
  gap: 4px;
  border-left: 3px solid var(--page-gold);
  padding-left: 16px;
}

.page-products .cert-name {
  font-family: 'Archivo', 'Noto Sans SC', sans-serif;
  font-weight: 700;
  font-size: 17px;
  color: var(--page-text);
}

.page-products .cert-desc {
  color: var(--page-muted);
  font-size: 14px;
}

.page-products .cert-note {
  color: var(--page-muted);
  font-size: 14px;
  line-height: 1.8;
  border-top: 1px solid var(--page-line);
  padding-top: 20px;
  margin: 0;
}

/* cta */
.page-products .product-cta {
  padding: 72px 0;
  border-top: 1px solid var(--page-line);
  position: relative;
}

.page-products .product-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(61, 255, 139, 0.06) 0%, transparent 40%, rgba(255, 193, 7, 0.05) 100%);
  pointer-events: none;
}

.page-products .cta-inner {
  display: flex;
  flex-direction: column;
  gap: 24px;
  align-items: flex-start;
}

.page-products .cta-desc {
  color: var(--page-muted);
  line-height: 1.8;
  max-width: 520px;
  font-size: 15px;
}

.page-products .cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* images */
.page-products img {
  max-width: 100%;
  height: auto;
}

/* media query: tablet >= 720px */
@media (min-width: 720px) {
  .page-products .product-hero-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 48px;
  }

  .page-products .blueprint-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-products .feature-grid {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    gap: 48px;
    align-items: center;
  }

  .page-products .version-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
    gap: 48px;
  }

  .page-products .assurance-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-products .assurance-cert {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
  }

  .page-products .cert-badge {
    flex: 1;
    min-width: 220px;
  }

  .page-products .cert-note {
    border-top: none;
    border-left: 1px solid var(--page-line);
    padding-top: 0;
    padding-left: 24px;
    margin: 0;
    flex-basis: 340px;
  }

  .page-products .flow-node {
    padding: 14px 22px;
    font-size: 15px;
  }

  .page-products .cn-row {
    font-size: 14px;
  }

  .page-products .product-cta .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
  }

  .page-products .cta-actions {
    flex-shrink: 0;
  }
}

/* media query: desktop >= 1024px */
@media (min-width: 1024px) {
  .page-products .product-hero {
    padding: 32px 0 96px;
  }

  .page-products .blueprint-grid {
    grid-template-columns: repeat(5, 1fr);
  }

  .page-products .blueprint-card {
    padding: 24px 18px;
    justify-self: stretch;
  }

  /* slight diagonal arrangement for speed */
  .page-products .blueprint-card:nth-child(2) { transform: translateY(14px); }
  .page-products .blueprint-card:nth-child(4) { transform: translateY(14px); }

  .page-products .blueprint-card:hover {
    transform: translateY(12px);
  }

  .page-products .blueprint-card:nth-child(2):hover,
  .page-products .blueprint-card:nth-child(4):hover {
    transform: translateY(9px);
  }

  .page-products .blueprint-card:nth-child(3) { transform: translateY(28px); }

  .page-products .blueprint-card:nth-child(3):hover {
    transform: translateY(23px);
  }

  .page-products .product-feature {
    padding: 72px 0;
  }

  .page-products .feature-panel {
    padding: 44px 36px 28px;
  }

  .page-products .version-timeline {
    gap: 12px;
  }
}