.page-products {
  --pp-rule: 1px solid var(--line-600);
  --pp-band-bg: rgba(0, 229, 255, .055);
  display: block;
  background: var(--ink-900);
  color: var(--white-000);
  padding-bottom: 64px;
}

.page-products p {
  margin: 0 0 1.2em;
  font-size: 15px;
  line-height: 1.75;
  max-width: 62ch;
}

.page-products h2 {
  font-size: 26px;
  line-height: 1.15;
  letter-spacing: -.02em;
  margin: 6px 0 0;
}

.page-products h3 {
  font-size: 15px;
  letter-spacing: .01em;
  margin: 0 0 10px;
  color: var(--white-000);
}

.page-products .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: .02em;
}

.page-products a {
  color: var(--cyan-500);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 255, .35);
}

.page-products a:hover,
.page-products a:focus-visible {
  border-bottom-color: var(--cyan-500);
}

.page-products a:focus-visible {
  outline: 2px solid var(--cyan-500);
  outline-offset: 2px;
}

/* ---------- 首屏 ---------- */
.page-products .pp-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-h) + 24px) 0 32px;
  background:
    radial-gradient(115% 90% at 82% 0%, rgba(0, 229, 255, .13), transparent 60%),
    linear-gradient(180deg, var(--ink-900) 0%, var(--deep-800) 100%);
  border-bottom: var(--pp-rule);
}

.page-products .pp-grid-layer {
  position: absolute;
  inset: 0;
  --grid-size: 24px;
  opacity: .55;
  pointer-events: none;
}

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

.page-products .breadcrumb {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--grey-400);
  margin-bottom: 32px;
}

.page-products .breadcrumb a {
  color: var(--grey-400);
  border-bottom: 0;
}

.page-products .breadcrumb a:hover {
  color: var(--cyan-300);
}

.page-products .pp-hero-split {
  display: grid;
  gap: 28px;
}

.page-products .pp-eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--cyan-300);
  margin: 0 0 14px;
}

.page-products h1 {
  font-size: 34px;
  line-height: 1.06;
  letter-spacing: -.03em;
  font-weight: 800;
  margin: 0 0 18px;
  max-width: 12ch;
}

.page-products .pp-lede {
  color: #C9D6E4;
  font-size: 15px;
  margin-bottom: 20px;
}

.page-products .pp-tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
}

.page-products .pp-tags .tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--cyan-300);
  border: 1px solid var(--line-600);
  border-radius: 2px;
  padding: 4px 9px;
}

.page-products .pp-media {
  display: block;
  margin: 0;
}

.page-products .media-frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line-600);
  border-radius: 2px;
  background: var(--deep-800);
}

.page-products .media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6, 18, 31, .1) 0%, rgba(6, 18, 31, .48) 100%);
  pointer-events: none;
}

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

.page-products .pp-media-hero { aspect-ratio: 16 / 7; }
.page-products .pp-media-banner { aspect-ratio: 12 / 5; }
.page-products .pp-media-tall { aspect-ratio: 2 / 3; }
.page-products .pp-media-wide { aspect-ratio: 7 / 3; }
.page-products .pp-media-report { aspect-ratio: 25 / 16; }

/* 首屏数字摘要带 */
.page-products .pp-metrics {
  list-style: none;
  margin: 36px 0 0;
  padding: 26px 0 0;
  border-top: var(--pp-rule);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px 16px;
}

.page-products .pp-metric {
  border-left: 1px solid var(--line-600);
  padding-left: 14px;
  min-width: 0;
}

.page-products .pp-metric-num {
  display: block;
  font-size: 40px;
  line-height: 1;
  font-weight: 700;
  color: var(--white-000);
}

.page-products .pp-metric-unit {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  color: var(--grey-400);
}

/* ---------- 模块区骨架 ---------- */
.page-products .pp-modules {
  padding: 40px 0 0;
  background: var(--deep-800);
}

.page-products .pp-modules-grid {
  display: grid;
  gap: 28px;
}

.page-products .pp-toc {
  align-self: start;
  min-width: 0;
}

.page-products .toc-title {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--grey-400);
  margin: 0 0 12px;
}

.page-products .pp-toc-list {
  list-style: none;
  margin: 0;
  padding: 0 0 10px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-products .pp-toc-list li {
  flex: 0 0 auto;
}

.page-products .pp-toc-link {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--grey-400);
  border: 1px solid var(--line-600);
  border-radius: 2px;
  padding: 7px 11px;
  white-space: nowrap;
  transition: color .22s var(--ease), border-color .22s var(--ease), background-color .22s var(--ease);
}

.page-products .pp-toc-link:hover,
.page-products .pp-toc-link:focus-visible {
  color: var(--white-000);
  border-color: var(--edge-500);
}

.page-products .pp-toc-link[aria-current="true"] {
  color: var(--cyan-500);
  border-color: var(--cyan-500);
  background: rgba(0, 229, 255, .08);
}

.page-products .pp-module-col {
  min-width: 0;
}

.page-products .pp-module {
  padding: 30px 0 40px;
  border-top: var(--pp-rule);
}

.page-products .pp-module:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-products .pp-module-head {
  margin-bottom: 22px;
}

.page-products .pp-module-no {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--orange-500);
}

.page-products .pp-module-note {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--grey-400);
  max-width: 58ch;
}

.page-products .pp-module .media-frame {
  margin: 0 0 22px;
}

.page-products .pp-footnote {
  font-size: 13px;
  line-height: 1.8;
  color: var(--grey-400);
  border-left: 1px solid var(--line-600);
  padding-left: 14px;
  margin-top: 18px;
}

/* ---------- 字段表 ---------- */
.page-products .pp-table-wrap {
  margin: 20px 0 0;
  border: var(--pp-rule);
  border-radius: 2px;
  overflow-x: auto;
}

.page-products .pp-table-caption {
  caption-side: top;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--grey-400);
  padding: 12px 14px 10px;
  background: var(--surface-700);
  border-bottom: 1px solid var(--line-600);
}

.page-products .pp-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  min-width: 540px;
}

.page-products .pp-table th {
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .12em;
  color: var(--cyan-300);
  background: var(--surface-700);
  padding: 10px 14px;
  border-bottom: 1px solid var(--line-600);
  white-space: nowrap;
}

.page-products .pp-table td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--line-600);
  vertical-align: top;
  line-height: 1.6;
}

.page-products .pp-table tbody tr:nth-child(even) {
  background: rgba(16, 42, 68, .42);
}

.page-products .pp-table td:first-child {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--white-000);
  white-space: nowrap;
}

.page-products .pp-table td:nth-child(2) {
  color: #C2D0DF;
}

.page-products .pp-table td:nth-child(3) {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--cyan-300);
}

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

/* ---------- 分栏与列表 ---------- */
.page-products .pp-split {
  display: grid;
  gap: 22px;
  margin-top: 20px;
}

.page-products .pp-split-body {
  min-width: 0;
}

.page-products .pp-split .media-frame {
  margin: 0;
}

.page-products .pp-field-list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  border-top: var(--pp-rule);
}

.page-products .pp-field-list li {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px 18px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line-600);
  font-size: 14px;
  line-height: 1.6;
}

.page-products .pp-field-list li > span:first-child {
  color: var(--grey-400);
}

.page-products .pp-field-list .pp-val {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  color: var(--white-000);
  text-align: right;
  margin-left: auto;
}

.page-products .pp-archive-list {
  list-style: none;
  counter-reset: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-products .pp-archive-list li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 14px;
  padding: 14px 0 0;
  border-top: var(--pp-rule);
}

.page-products .pp-archive-no {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--orange-500);
  border: 1px solid var(--line-600);
  border-radius: 2px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-products .pp-archive-list h3 {
  margin-bottom: 6px;
}

.page-products .pp-archive-list p {
  margin: 0;
  font-size: 14px;
  color: var(--grey-400);
}

/* ---------- 事件清单 ---------- */
.page-products .pp-event-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: var(--pp-rule);
}

.page-products .pp-event-list li {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-600);
}

.page-products .pp-event-name {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--orange-500);
}

.page-products .pp-event-desc {
  font-size: 14px;
  line-height: 1.7;
  color: #C2D0DF;
}

/* ---------- 横向说明带 ---------- */
.page-products .pp-band {
  margin: 12px 0;
  border-top: var(--pp-rule);
  border-bottom: var(--pp-rule);
  background: linear-gradient(90deg, var(--pp-band-bg), rgba(0, 229, 255, 0) 72%);
}

.page-products .pp-band--alt {
  background: linear-gradient(90deg, rgba(255, 107, 53, .07), rgba(255, 107, 53, 0) 72%);
}

.page-products .pp-band-inner {
  display: grid;
  gap: 12px;
  padding: 20px 0;
}

.page-products .pp-band-tag {
  font-size: 24px;
  font-weight: 700;
  line-height: 1;
  color: var(--orange-500);
}

.page-products .pp-band-inner p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: #C2D0DF;
  max-width: 60ch;
}

/* ---------- 对照双列 ---------- */
.page-products .pp-duo {
  display: grid;
  gap: 24px;
  margin-top: 24px;
}

.page-products .pp-duo-col {
  min-width: 0;
  position: relative;
  padding-top: 18px;
}

.page-products .pp-duo-col::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 34px;
  height: 2px;
  background: var(--orange-500);
}

.page-products .pp-duo-col p {
  font-size: 14px;
  color: #C2D0DF;
}

.page-products .pp-callout {
  border: 1px solid var(--line-600);
  border-radius: 2px;
  background: rgba(16, 42, 68, .6);
  padding: 10px 14px;
  margin-bottom: 14px;
  transition: background-color .22s var(--ease), border-color .22s var(--ease);
}

.page-products .pp-callout:hover,
.page-products .pp-callout:focus-within {
  background: rgba(0, 229, 255, .08);
  border-color: var(--cyan-500);
}

.page-products .pp-callout summary {
  list-style: none;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--cyan-300);
}

.page-products .pp-callout summary::-webkit-details-marker {
  display: none;
}

.page-products .pp-callout summary::before {
  content: "+ ";
  color: var(--orange-500);
}

.page-products .pp-callout[open] summary::before {
  content: "– ";
}

.page-products .pp-callout p {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--grey-400);
}

/* ---------- 入口卡片 ---------- */
.page-products .pp-access {
  display: grid;
  gap: 0;
  margin-top: 22px;
  border-top: var(--pp-rule);
}

.page-products .pp-access-card {
  padding: 16px 0;
  border-bottom: 1px solid var(--line-600);
}

.page-products .pp-access-key {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--cyan-300);
  margin-bottom: 8px;
}

.page-products .pp-access-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: #C2D0DF;
}

/* ---------- 窄屏表格转键值列表 ---------- */
@media (max-width: 620px) {
  .page-products .pp-table {
    min-width: 0;
  }

  .page-products .pp-table thead {
    display: none;
  }

  .page-products .pp-table tbody,
  .page-products .pp-table tr,
  .page-products .pp-table td {
    display: block;
    width: 100%;
  }

  .page-products .pp-table tbody tr {
    padding: 12px 14px;
    border-bottom: 1px solid var(--line-600);
  }

  .page-products .pp-table tbody tr:nth-child(even) {
    background: rgba(16, 42, 68, .42);
  }

  .page-products .pp-table td {
    border-bottom: 0;
    padding: 4px 0;
    white-space: normal;
  }

  .page-products .pp-table td::before {
    content: attr(data-label);
    display: block;
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: .14em;
    color: var(--cyan-300);
    margin-bottom: 3px;
  }

  .page-products .pp-media-tall {
    aspect-ratio: 16 / 9;
  }
}

/* ---------- 平板 ---------- */
@media (min-width: 700px) {
  .page-products p { font-size: 16px; }
  .page-products h1 { font-size: 52px; }
  .page-products h2 { font-size: 32px; }

  .page-products .pp-hero {
    padding: calc(var(--header-h) + 40px) 0 44px;
  }

  .page-products .pp-metrics {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
  }

  .page-products .pp-metric-num { font-size: 52px; }

  .page-products .pp-split {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 32px;
    align-items: start;
  }

  .page-products .pp-split--reverse {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-products .pp-split--reverse .media-frame {
    order: 2;
  }

  .page-products .pp-duo {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 0;
    border-top: var(--pp-rule);
    padding-top: 24px;
  }

  .page-products .pp-duo-col {
    padding: 0 28px 0 0;
  }

  .page-products .pp-duo-col + .pp-duo-col {
    border-left: 1px solid var(--line-600);
    padding-left: 28px;
    padding-right: 0;
  }

  .page-products .pp-band-inner {
    grid-template-columns: 150px minmax(0, 1fr);
    align-items: baseline;
    gap: 24px;
    padding: 24px 0;
  }

  .page-products .pp-band-tag { font-size: 32px; }

  .page-products .pp-access {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    border-top: 0;
    border-left: var(--pp-rule);
    gap: 0 0;
  }

  .page-products .pp-access-card {
    border-top: var(--pp-rule);
    border-bottom: 0;
    padding: 18px 24px;
    border-right: var(--pp-rule);
  }
}

/* ---------- 桌面：固定模块索引 ---------- */
@media (min-width: 1024px) {
  .page-products { padding-bottom: 96px; }

  .page-products .pp-hero-split {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 48px;
    align-items: center;
  }

  .page-products h1 { font-size: 60px; }

  .page-products .pp-metric-num { font-size: 56px; }

  .page-products .pp-modules { padding-top: 56px; }

  .page-products .pp-modules-grid {
    grid-template-columns: 216px minmax(0, 1fr);
    gap: 60px;
  }

  .page-products .pp-toc {
    position: sticky;
    top: calc(var(--header-h) + 24px);
    max-height: calc(100vh - var(--header-h) - 48px);
    overflow-y: auto;
  }

  .page-products .pp-toc-list {
    display: block;
    overflow: visible;
    padding-bottom: 0;
    border-left: 1px solid var(--line-600);
  }

  .page-products .pp-toc-list li {
    display: block;
  }

  .page-products .pp-toc-link {
    border: 0;
    border-left: 1px solid transparent;
    margin-left: -1px;
    border-radius: 0;
    padding: 9px 12px;
    white-space: normal;
    font-size: 13px;
  }

  .page-products .pp-toc-link:hover,
  .page-products .pp-toc-link:focus-visible {
    border-color: transparent;
    border-left-color: var(--edge-500);
    background: rgba(27, 58, 87, .4);
  }

  .page-products .pp-toc-link[aria-current="true"] {
    border-color: transparent;
    border-left-color: var(--cyan-500);
    color: var(--cyan-500);
    background: rgba(0, 229, 255, .06);
    font-size: 14px;
  }

  .page-products .pp-module {
    padding: 40px 0 56px;
  }

  .page-products h2 { font-size: 38px; }

  .page-products .pp-module-note { font-size: 15px; }

  .page-products .pp-band {
    margin: 16px 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-toc-link,
  .page-products .pp-callout {
    transition: none;
  }
}