.page-products {
  --prod-row: clamp(1.25rem, 3vw, 2.5rem);
  position: relative;
  background-color: var(--color-bg);
  background-image:
    radial-gradient(circle at 85% 8%, rgba(255, 201, 56, .08), transparent 22rem),
    linear-gradient(rgba(31, 58, 95, .14) 1px, transparent 1px),
    linear-gradient(90deg, rgba(31, 58, 95, .14) 1px, transparent 1px);
  background-size: auto, 56px 56px, 56px 56px;
  background-position: -1px -1px, -1px -1px;
  overflow-x: hidden;
}

.page-products .breadcrumb {
  max-width: var(--container);
  margin: 0 auto;
  padding: 1.25rem 1.25rem 0;
  font-size: .875rem;
  color: var(--color-muted);
}

.page-products .breadcrumb a {
  color: var(--color-link);
  text-decoration: none;
}

.page-products .breadcrumb a:hover {
  color: var(--color-gold);
}

.page-products .section-title {
  font-family: var(--font-title);
  font-weight: 900;
  line-height: 1.18;
  font-size: clamp(1.75rem, 4.6vw, 3.25rem);
  margin-top: 1rem;
}

.page-products .section-index {
  display: inline-block;
  font-family: var(--font-number);
  font-size: .9375rem;
  letter-spacing: .12em;
  color: var(--color-gold);
  border-bottom: 2px solid var(--color-gold);
  padding-bottom: .5rem;
}

.page-products .rotated-note {
  color: var(--color-muted);
  font-size: .75rem;
  letter-spacing: .18em;
}

/* 01 服务矩阵 */
.page-products .matrix-section {
  padding-block: var(--space-section);
}

.page-products .matrix-heading {
  display: grid;
  gap: 1.25rem;
}

.page-products .matrix-lead {
  max-width: 52rem;
  margin: 0;
  color: var(--color-muted);
  line-height: 1.9;
}

.page-products .matrix-sub {
  margin: .5rem 0 0;
  color: var(--color-muted);
  font-size: .875rem;
}

.page-products .matrix-sub a {
  color: var(--color-link);
  text-decoration: none;
}

.page-products .matrix-sub a:hover {
  color: var(--color-gold);
}

.page-products .matrix-layout {
  display: grid;
  gap: var(--prod-row);
  margin-top: 2.5rem;
}

.page-products .matrix-index {
  display: grid;
  gap: 1px;
  border: 1px solid var(--color-line);
  background: var(--color-line);
}

.page-products .matrix-item {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: .25rem 1rem;
  padding: 1.25rem;
  background: var(--color-bg);
  color: var(--color-text);
  text-decoration: none;
  transition: background-color .2s ease;
}

.page-products .matrix-item:hover,
.page-products .matrix-item:focus-visible {
  background: rgba(11, 16, 38, .92);
  outline: none;
}

.page-products .matrix-item:focus-visible {
  box-shadow: inset 0 0 0 2px var(--color-gold);
}

.page-products .matrix-item::after {
  content: "";
  position: absolute;
  inset-inline-start: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--color-gold);
  transform: scaleY(0);
  transform-origin: center;
  transition: transform .2s ease;
}

.page-products .matrix-item:hover::after,
.page-products .matrix-item:focus-visible::after {
  transform: scaleY(1);
}

.page-products .matrix-item-num {
  grid-row: span 2;
  font-family: var(--font-number);
  font-size: 1.125rem;
  line-height: 1.4;
  color: var(--color-gold);
}

.page-products .matrix-item-name {
  font-weight: 700;
  font-size: 1.0625rem;
}

.page-products .matrix-item-desc {
  color: var(--color-muted);
  font-size: .875rem;
}

.page-products .media-frame {
  margin: 0;
  border: 1px solid var(--color-line);
  background: var(--color-bg-deep);
  padding: .75rem;
}

.page-products .media-caption {
  margin-top: .75rem;
  padding-bottom: .5rem;
  border-bottom: 1px solid rgba(31, 58, 95, .55);
  font-size: .8125rem;
  text-align: right;
  color: var(--color-muted);
}

.page-products .dataflow-frame {
  border: 1px solid var(--color-line);
  background: linear-gradient(135deg, rgba(9, 13, 26, .72), rgba(11, 16, 38, .42));
}

.page-products .dataflow-svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .flow-line {
  fill: none;
  stroke: var(--color-link);
  stroke-width: 1.5;
  stroke-dasharray: 5 5;
}

.page-products .flow-line--gold {
  stroke: var(--color-gold);
}

.page-products .flow-node {
  fill: var(--color-bg-deep);
  stroke: var(--color-link);
  stroke-width: 2;
}

.page-products .flow-node--gold {
  fill: var(--color-bg-deep);
  stroke: var(--color-gold);
  stroke-width: 2.5;
  animation: productFlowPulse 3s ease-in-out infinite;
}

.page-products .flow-endpoint {
  fill: var(--color-bg-deep);
  stroke: var(--color-muted);
  stroke-width: 1.5;
}

.page-products .flow-label {
  font-family: var(--font-body);
  font-size: 12px;
  fill: var(--color-muted);
  paint-order: stroke;
  stroke: var(--color-bg);
  stroke-width: 4px;
  stroke-linejoin: round;
}

.page-products .flow-label--gold {
  fill: var(--color-gold);
  font-weight: 700;
}

@keyframes productFlowPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .55; }
}

.page-products .service-table-wrap {
  margin-top: 2.5rem;
  overflow-x: auto;
  border: 1px solid var(--color-line);
  background: rgba(9, 13, 26, .35);
}

.page-products .service-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-family: var(--font-number), var(--font-body);
  font-size: .875rem;
}

.page-products .service-table th {
  padding: .85rem 1rem;
  border-bottom: 1px solid var(--color-line);
  font-family: var(--font-body);
  font-weight: 700;
  text-align: left;
  white-space: nowrap;
  color: var(--color-gold);
}

.page-products .service-table td {
  padding: .85rem 1rem;
  border-bottom: 1px solid var(--color-line);
  color: var(--color-muted);
}

.page-products .service-table tr:last-child td {
  border-bottom: 0;
}

.page-products .service-table td:first-child {
  font-family: var(--font-body);
  font-weight: 600;
  color: var(--color-text);
}

/* 产品区块通用 */
.page-products .product-section {
  position: relative;
  border-top: 1px solid var(--color-line);
  padding-block: var(--space-section);
}

.page-products .product-section::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 1.25rem;
  width: clamp(2rem, 6vw, 4rem);
  height: 2px;
  background: var(--color-gold);
}

.page-products .product-grid {
  display: grid;
  gap: var(--prod-row);
  align-items: center;
}

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

.page-products .product-visual {
  min-width: 0;
}

.page-products .product-desc {
  margin: 1.25rem 0;
  color: var(--color-muted);
  line-height: 1.85;
}

.page-products .check-list {
  list-style: none;
  margin: 1.25rem 0 1.5rem;
  padding: 0;
  display: grid;
  gap: .75rem;
}

.page-products .check-list li {
  position: relative;
  padding-left: 1.75rem;
  color: var(--color-muted);
  line-height: 1.7;
}

.page-products .check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .55em;
  width: .5625rem;
  height: .5625rem;
  border: 2px solid var(--color-gold);
  transform: rotate(45deg);
}

.page-products .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: .8rem 1.5rem;
  border: 1px solid transparent;
  font-family: var(--font-body);
  font-size: .9375rem;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  transition: background-color .2s ease, color .2s ease, border-color .2s ease, box-shadow .2s ease;
}

.page-products .btn-primary {
  background: var(--color-gold);
  color: var(--color-bg);
  border-color: var(--color-gold);
}

.page-products .btn-primary:hover,
.page-products .btn-primary:focus-visible {
  background: var(--color-white);
  border-color: var(--color-white);
  box-shadow: 0 0 0 3px rgba(255, 255, 255, .25);
}

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

.page-products .btn-outline:hover,
.page-products .btn-outline:focus-visible {
  border-color: var(--color-gold);
  color: var(--color-gold);
}

/* 01 移动端奖池查询 */
.page-products .phone-frame {
  max-width: 320px;
  margin-inline: auto;
  padding: .75rem;
  background: var(--color-bg-deep);
  box-shadow: var(--shadow);
}

.page-products .phone-shot {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .sync-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: .75rem;
  margin: 1.75rem 0;
}

.page-products .stat-cell {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .25rem;
  border-top: 2px solid var(--color-gold);
  padding-top: .75rem;
}

.page-products .stat-cell:last-child {
  grid-column: 1 / -1;
}

.page-products .stat-num {
  font-family: var(--font-number);
  font-size: clamp(1.5rem, 5vw, 2rem);
  font-weight: 700;
  line-height: 1;
  color: var(--color-white);
}

.page-products .stat-unit {
  font-family: var(--font-number);
  font-size: .875rem;
  color: var(--color-muted);
}

.page-products .stat-label {
  flex-basis: 100%;
  font-size: .8125rem;
  color: var(--color-muted);
}

/* 02 新版开奖公告 */
.page-products .timeline-frame {
  max-width: 600px;
}

.page-products .timeline-art,
.page-products .heatmap-art,
.page-products .api-art,
.page-products .trend-art {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .tabbox {
  margin-top: 1.75rem;
  border: 1px solid var(--color-line);
  background: rgba(9, 13, 26, .4);
}

.page-products .tabbox > input {
  position: absolute;
  width: 0;
  height: 0;
  opacity: 0;
  pointer-events: none;
}

.page-products .tabbar {
  display: flex;
  flex-wrap: wrap;
  gap: .25rem;
  padding: 0 .5rem;
  border-bottom: 1px solid var(--color-line);
}

.page-products .tabbar label {
  padding: .85rem 1rem;
  margin-bottom: -1px;
  border-bottom: 2px solid transparent;
  font-family: var(--font-body);
  font-size: .875rem;
  color: var(--color-muted);
  cursor: pointer;
  transition: color .2s ease, border-color .2s ease, background-color .2s ease;
}

.page-products .tabbar label:hover {
  background: rgba(255, 201, 56, .06);
  color: var(--color-white);
}

.page-products .tabpanels {
  padding: 1.25rem;
}

.page-products .tabpanel {
  display: none;
}

.page-products .tabpanel p,
.page-products .tabpanel li {
  color: var(--color-muted);
  line-height: 1.8;
}

.page-products #prod-an-refresh:checked ~ .tabbar label[for="prod-an-refresh"],
.page-products #prod-an-history:checked ~ .tabbar label[for="prod-an-history"],
.page-products #prod-an-push:checked ~ .tabbar label[for="prod-an-push"],
.page-products #prod-api-cap:checked ~ .tabbar label[for="prod-api-cap"],
.page-products #prod-api-flow:checked ~ .tabbar label[for="prod-api-flow"],
.page-products #prod-api-limit:checked ~ .tabbar label[for="prod-api-limit"] {
  color: var(--color-gold);
  border-bottom-color: var(--color-gold);
}

.page-products #prod-an-refresh:focus-visible ~ .tabbar label[for="prod-an-refresh"],
.page-products #prod-an-history:focus-visible ~ .tabbar label[for="prod-an-history"],
.page-products #prod-an-push:focus-visible ~ .tabbar label[for="prod-an-push"],
.page-products #prod-api-cap:focus-visible ~ .tabbar label[for="prod-api-cap"],
.page-products #prod-api-flow:focus-visible ~ .tabbar label[for="prod-api-flow"],
.page-products #prod-api-limit:focus-visible ~ .tabbar label[for="prod-api-limit"] {
  outline: 2px solid var(--color-gold);
  outline-offset: -2px;
}

.page-products #prod-an-refresh:checked ~ .tabpanels .tabpanel:nth-child(1),
.page-products #prod-an-history:checked ~ .tabpanels .tabpanel:nth-child(2),
.page-products #prod-an-push:checked ~ .tabpanels .tabpanel:nth-child(3),
.page-products #prod-api-cap:checked ~ .tabpanels .tabpanel:nth-child(1),
.page-products #prod-api-flow:checked ~ .tabpanels .tabpanel:nth-child(2),
.page-products #prod-api-limit:checked ~ .tabpanels .tabpanel:nth-child(3) {
  display: block;
}

/* 03 回访记录 */
.page-products .heatmap-frame {
  max-width: 400px;
  margin-inline: auto;
}

.page-products .revisit-meta,
.page-products .trend-meta {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin: 1.25rem 0;
}

.page-products .meta-chip {
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  padding: .3rem .8rem;
  border: 1px solid var(--color-line);
  font-family: var(--font-number), var(--font-body);
  font-size: .8125rem;
  color: var(--color-muted);
}

/* 04 开放数据服务 */
.page-products .api-frame {
  max-width: 500px;
}

.page-products .api-tabbox {
  margin-top: 2rem;
}

.page-products .api-endpoints {
  display: grid;
  gap: .75rem;
}

.page-products .endpoint-row {
  display: grid;
  gap: .25rem .75rem;
  padding: .85rem 1rem;
  border-left: 3px solid var(--color-link);
  background: rgba(11, 16, 38, .55);
  font-family: var(--font-number), var(--font-body);
}

.page-products .endpoint-method {
  font-size: .875rem;
  font-weight: 700;
  color: var(--color-link);
}

.page-products .endpoint-row code {
  font-family: var(--font-number);
  font-size: .875rem;
  color: var(--color-white);
  word-break: break-word;
}

.page-products .endpoint-desc {
  font-size: .8125rem;
  color: var(--color-muted);
}

.page-products .steps-list {
  margin: 0;
  padding-left: 1.25rem;
  color: var(--color-muted);
  line-height: 2;
}

/* 05 专业走势报告 */
.page-products .trend-heading {
  max-width: 42rem;
}

.page-products .trend-chart {
  position: relative;
  max-width: 700px;
  margin: 2rem auto 0;
}

.page-products .trend-chart::after {
  content: "";
  position: absolute;
  right: -.75rem;
  bottom: -.75rem;
  width: 2.5rem;
  height: 2.5rem;
  border-right: 2px solid var(--color-gold);
  border-bottom: 2px solid var(--color-gold);
}

.page-products .trend-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.5rem;
}

/* 帮助入口 */
.page-products .product-help {
  margin-block: 0;
  padding-block: 3rem;
  background: var(--color-panel);
  color: var(--color-bg);
}

.page-products .help-inner {
  max-width: 44rem;
}

.page-products .help-title {
  margin: 0;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(1.5rem, 3.4vw, 2.25rem);
  color: var(--color-bg);
}

.page-products .help-inner p {
  margin: 1rem 0 1.5rem;
  color: var(--color-bg);
  line-height: 1.8;
}

.page-products .btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.page-products .product-help .btn-outline {
  color: var(--color-bg);
  border-color: rgba(11, 16, 38, .35);
}

.page-products .product-help .btn-outline:hover,
.page-products .product-help .btn-outline:focus-visible {
  background: rgba(255, 201, 56, .12);
  border-color: var(--color-gold);
  color: var(--color-bg);
}

/* 响应式布局 */
@media (min-width: 640px) {
  .page-products .sync-stats {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-products .stat-cell:last-child {
    grid-column: auto;
  }

  .page-products .endpoint-row {
    grid-template-columns: auto auto 1fr;
    align-items: baseline;
  }
}

@media (min-width: 760px) {
  .page-products .matrix-layout {
    grid-template-columns: minmax(0, 2fr) minmax(0, 3fr);
    align-items: stretch;
  }

  .page-products .product-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }

  .page-products .product-grid--mobile {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  }

  .page-products .product-grid--announcement {
    grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  }

  .page-products .product-grid--revisit {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
  }

  .page-products .product-grid--api {
    grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
  }
}