.page-products {
  --prod-line: rgba(255, 255, 255, 0.08);
  --prod-glow: rgba(0, 255, 136, 0.12);
  overflow-x: clip;
}

/* ---------- 面包屑 ---------- */
.page-products .breadcrumb {
  padding-top: 1.25rem;
  font-size: 0.875rem;
}
.page-products .breadcrumb a {
  color: var(--color-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}
.page-products .breadcrumb a:hover {
  color: var(--color-data);
}
.page-products .breadcrumb .sep {
  margin: 0 0.5rem;
  color: var(--color-muted);
}
.page-products .breadcrumb [aria-current="page"] {
  color: var(--color-data);
  font-family: var(--font-mono);
}

/* ---------- HERO ---------- */
.page-products .prod-hero {
  padding-top: 2.5rem;
  padding-bottom: 3.5rem;
  background:
    radial-gradient(circle at 88% 12%, rgba(0, 255, 136, 0.08), transparent 40%),
    radial-gradient(circle at 10% 90%, rgba(255, 106, 0, 0.06), transparent 44%);
}
.page-products .prod-hero-grid {
  display: grid;
  gap: 2rem;
}
.page-products .prod-eyebrow {
  color: var(--color-data);
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 1rem;
}
.page-products .prod-hero-main h1 {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.875rem, 5vw, 3.25rem);
  line-height: 1.1;
  margin: 0 0 1.25rem;
  letter-spacing: -0.02em;
}
.page-products .prod-lead {
  color: var(--color-muted);
  font-size: 1rem;
  line-height: 1.75;
  max-width: 62ch;
}
.page-products .prod-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem;
  margin: 1.75rem 0 2.25rem;
}
.page-products .prod-hero-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-products .prod-hero-stat {
  border-left: 2px solid var(--color-data);
  padding-left: 0.875rem;
}
.page-products .prod-hero-stat dt {
  font-size: 0.75rem;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.page-products .prod-hero-stat dd {
  margin: 0.25rem 0 0;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
}
.page-products .prod-hero-stat dd.data-number {
  color: var(--color-data);
}

/* ---------- 服务索引 ---------- */
.page-products .prod-index {
  background: var(--color-rail);
  border: 1px solid var(--prod-line);
  padding: 1.5rem;
  position: relative;
  border-radius: 12px;
}
.page-products .prod-index::before {
  content: "";
  position: absolute;
  top: 0;
  left: 1.5rem;
  width: 48px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-data), var(--color-cta));
}
.page-products .rail-label {
  color: var(--color-muted);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin: 0.75rem 0 1rem;
}
.page-products .prod-index-list {
  list-style: none;
  margin: 0 0 1.25rem;
  padding: 0;
}
.page-products .prod-index-list li + li {
  border-top: 1px solid var(--prod-line);
}
.page-products .prod-index-list a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.875rem 0;
  color: var(--color-text);
  text-decoration: none;
  font-size: 0.9375rem;
  transition: color 0.2s ease;
}
.page-products .prod-index-list a span {
  color: var(--color-data);
  font-size: 0.8125rem;
  min-width: 1.75rem;
}
.page-products .prod-index-list a:hover {
  color: var(--color-cta);
}
.page-products .prod-index-note {
  border-top: 1px solid var(--prod-line);
  padding-top: 1rem;
  color: var(--color-muted);
  font-size: 0.8125rem;
  line-height: 1.6;
}
.page-products .prod-index-note p {
  margin: 0.75rem 0 0;
}

/* ---------- 数据流条 ---------- */
.page-products .prod-data-stream {
  height: 6px;
  background: linear-gradient(90deg, var(--color-data), var(--color-gold) 45%, var(--color-cta) 80%);
  opacity: 0.7;
  position: relative;
}

/* ---------- 章节通用 ---------- */
.page-products .prod-section {
  padding: 3.5rem 0;
}
.page-products .prod-section--alt {
  background: linear-gradient(180deg, rgba(17, 26, 53, 0.75), rgba(17, 26, 53, 0.35));
  border-top: 1px solid var(--prod-line);
  border-bottom: 1px solid var(--prod-line);
}
.page-products .section-head {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 1rem;
}
.page-products .section-index {
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  color: var(--color-data);
  background: rgba(0, 255, 136, 0.08);
  padding: 0.25rem 0.625rem;
  border-radius: 4px;
}
.page-products .section-title {
  font-size: 1.75rem;
  font-weight: 800;
  font-family: var(--font-head);
  margin: 0;
  letter-spacing: -0.01em;
}
.page-products .prod-section-desc {
  color: var(--color-muted);
  max-width: 66ch;
  margin: 0 0 2rem;
  line-height: 1.7;
}

/* ---------- 核心服务 ---------- */
.page-products .prod-core-grid {
  display: grid;
  gap: 2rem;
}
.page-products .prod-core-cards {
  display: grid;
  gap: 1.25rem;
}
.page-products .prod-service-card {
  padding: 1.5rem;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.page-products .prod-service-card:hover {
  border-color: rgba(0, 255, 136, 0.4);
  transform: translateY(-2px);
}
.page-products .prod-ico {
  width: 28px;
  height: 28px;
  color: var(--color-data);
  margin-bottom: 1rem;
}
.page-products .prod-service-card h3 {
  font-size: 1.125rem;
  margin: 0 0 0.5rem;
  font-family: var(--font-head);
}
.page-products .prod-service-card p {
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--color-muted);
  margin: 0 0 1.125rem;
}
.page-products .prod-app-figure {
  margin: 0 auto;
  width: min(400px, 100%);
  align-self: start;
}
.page-products .prod-app-figure img {
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 2;
  object-fit: cover;
  border-radius: 12px;
  border: 1px solid var(--prod-line);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
}
.page-products .prod-app-figure .figure-caption {
  text-align: center;
}

/* ---------- 苹果版导航 ---------- */
.page-products .prod-ios-grid {
  display: grid;
  gap: 2rem;
}
.page-products .prod-ios-copy h3 {
  font-size: 1.125rem;
  margin: 1.75rem 0 0.75rem;
  font-family: var(--font-head);
}
.page-products .prod-ios-copy > p {
  color: var(--color-muted);
  line-height: 1.75;
}
.page-products .prod-ios-copy > .tag {
  display: inline-block;
  margin: 0.875rem 0 0.25rem;
}
.page-products .prod-ios-copy ul {
  margin: 0 0 1.25rem;
  padding-left: 1.25rem;
  color: var(--color-muted);
  line-height: 1.7;
}
.page-products .prod-ios-copy li {
  margin-bottom: 0.5rem;
}
.page-products .prod-ios-copy strong {
  color: var(--color-text);
}
.page-products .prod-ios-figure {
  margin: 0;
}
.page-products .prod-ios-figure img {
  width: 100%;
  height: auto;
  border-radius: 12px;
  border: 1px solid var(--prod-line);
}

/* ---------- 数据可视化 / 选项卡 ---------- */
.page-products .prod-tabs {
  margin-top: 1.5rem;
}
.page-products .prod-tab-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}
.page-products .prod-tab-labels {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--prod-line);
  padding-bottom: 0.5rem;
}
.page-products .prod-tab-label {
  padding: 0.625rem 1.125rem;
  border: 1px solid var(--prod-line);
  border-radius: 6px;
  background: transparent;
  color: var(--color-muted);
  cursor: pointer;
  font-size: 0.875rem;
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}
.page-products .prod-tab-label:hover {
  border-color: var(--color-data);
  color: var(--color-data);
}
.page-products .prod-tab-panel {
  display: none;
  padding: 1.25rem;
  background: var(--color-bg-alt);
  border: 1px solid var(--prod-line);
  border-radius: 12px;
}
.page-products #tab-chart:checked ~ .prod-tab-labels label[for="tab-chart"],
.page-products #tab-board:checked ~ .prod-tab-labels label[for="tab-board"],
.page-products #tab-heat:checked ~ .prod-tab-labels label[for="tab-heat"] {
  background: var(--color-data);
  color: var(--color-bg);
  border-color: var(--color-data);
}
.page-products #tab-chart:checked ~ .prod-tab-panel--chart,
.page-products #tab-board:checked ~ .prod-tab-panel--board,
.page-products #tab-heat:checked ~ .prod-tab-panel--heat {
  display: block;
}
.page-products .prod-tab-panel-grid {
  display: grid;
  gap: 1.5rem;
}
.page-products .prod-tab-panel-grid h3 {
  margin: 0 0 0.75rem;
  font-size: 1.25rem;
  font-family: var(--font-head);
}
.page-products .prod-tab-panel-grid p {
  color: var(--color-muted);
  line-height: 1.7;
}
.page-products .prod-tab-panel-grid ul {
  margin: 0.75rem 0 0;
  padding-left: 1.25rem;
  color: var(--color-muted);
  line-height: 1.7;
}
.page-products .prod-viz-figure {
  margin: 0;
}
.page-products .prod-viz-figure img {
  width: 100%;
  height: auto;
  border-radius: 12px;
  border: 1px solid var(--prod-line);
}
.page-products .prod-mini-chart {
  margin: 1.5rem 0 0;
}
.page-products .prod-mini-chart svg {
  display: block;
  width: 100%;
  height: auto;
}
.page-products .prod-mini-chart circle {
  transition: r 0.2s ease, fill 0.2s ease;
}
.page-products .prod-mini-chart circle:hover {
  r: 9px;
  fill: var(--color-cta);
}
.page-products .prod-heat-visual {
  border: 1px solid var(--prod-line);
  border-radius: 12px;
  overflow: hidden;
  background: var(--color-bg);
}
.page-products .prod-heat-visual svg {
  display: block;
  width: 100%;
  height: auto;
}
.page-products .prod-viz-note {
  margin: 1.5rem 0 0;
  color: var(--color-muted);
  font-size: 0.8125rem;
  text-align: right;
}

/* ---------- 使用场景 ---------- */
.page-products .prod-scenario-grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(auto-fit, minmax(min(230px, 100%), 1fr));
}
.page-products .prod-scenario-card {
  background: var(--color-paper);
  color: #0B1026;
  border-radius: 12px;
  padding: 1.5rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.page-products .prod-scenario-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.25);
}
.page-products .prod-scenario-card .paper-label {
  color: var(--color-cta);
}
.page-products .prod-scenario-card h3 {
  margin: 0.75rem 0 0.5rem;
  font-size: 1.125rem;
  font-family: var(--font-head);
  color: #0B1026;
}
.page-products .prod-scenario-card p {
  color: #33405c;
  font-size: 0.875rem;
  line-height: 1.65;
  margin: 0;
}
.page-products .prod-scenario-note {
  margin: 2rem auto 0;
  max-width: 62ch;
  color: var(--color-muted);
  text-align: center;
  font-size: 0.9375rem;
  line-height: 1.75;
  border-left: 3px solid var(--color-gold);
  padding-left: 1rem;
}
.page-products .prod-scenario-figure {
  margin: 2rem 0 0;
}
.page-products .prod-scenario-figure img {
  width: 100%;
  height: auto;
  border-radius: 12px;
  border: 1px solid var(--prod-line);
}

/* ---------- 服务版本 ---------- */
.page-products .prod-version-grid {
  align-items: stretch;
}
.page-products .prod-version-card {
  padding: 1.75rem 1.5rem;
  display: flex;
  flex-direction: column;
  border-radius: 12px;
}
.page-products .prod-version-card h3 {
  font-size: 1.125rem;
  margin: 0 0 1rem;
  color: var(--color-data);
  letter-spacing: 0.02em;
}
.page-products .prod-version-card--pro h3 {
  color: var(--color-cta);
}
.page-products .prod-version-note {
  color: var(--color-muted);
  font-size: 0.9375rem;
  line-height: 1.6;
  margin: 0 0 1.25rem;
}
.page-products .prod-version-list {
  list-style: none;
  margin: 0 0 1.25rem;
  padding: 0;
  flex-grow: 1;
}
.page-products .prod-version-list li {
  position: relative;
  padding-left: 1.25rem;
  margin-bottom: 0.625rem;
  color: var(--color-text);
  font-size: 0.875rem;
  line-height: 1.5;
}
.page-products .prod-version-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 7px;
  height: 7px;
  background: var(--color-data);
  transform: rotate(45deg);
}
.page-products .prod-collapse {
  border-top: 1px solid var(--prod-line);
  padding-top: 0.625rem;
}
.page-products .prod-collapse summary {
  cursor: pointer;
  font-size: 0.875rem;
  color: var(--color-muted);
  transition: color 0.2s ease;
}
.page-products .prod-collapse summary:hover {
  color: var(--color-data);
}
.page-products .prod-collapse p {
  font-size: 0.8125rem;
  color: var(--color-muted);
  line-height: 1.6;
  margin: 0.75rem 0 0;
}

/* ---------- 底部相关导航 ---------- */
.page-products .prod-more {
  padding: 2.5rem 0 3.5rem;
  border-top: 1px solid var(--prod-line);
}
.page-products .prod-more > p {
  color: var(--color-muted);
  margin: 0 0 1rem;
  letter-spacing: 0.06em;
  font-size: 0.875rem;
}
.page-products .prod-more-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* ---------- 桌面增强 ---------- */
@media (min-width: 960px) {
  .page-products .prod-hero-grid {
    grid-template-columns: minmax(0, 1fr) 320px;
    align-items: start;
    gap: 3rem;
  }
  .page-products .prod-hero-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-products .prod-core-grid {
    grid-template-columns: minmax(0, 1fr) 400px;
    align-items: start;
    gap: 2.5rem;
  }
  .page-products .prod-core-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .prod-ios-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    gap: 3rem;
    align-items: center;
  }
  .page-products .prod-tab-panel-grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: center;
    gap: 2.5rem;
  }
  .page-products .prod-section {
    padding: 4.5rem 0;
  }
}