.page-products {
  --prod-cut: 16px;
  --prod-line: 1px solid var(--rule);
}

/* ---------- 页面头部：不等宽双栏拼贴 ---------- */
.page-products .prod-hero {
  padding-top: clamp(28px, 5vw, 56px);
}

.page-products .prod-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  margin-top: 22px;
}

.page-products .prod-hero-grid h1 {
  font-family: var(--font-head);
  font-size: clamp(28px, 5vw, 52px);
  line-height: 1.15;
  color: var(--ink);
  margin: 12px 0 18px;
  max-width: 22ch;
}

.page-products .prod-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-products .prod-hero-strip {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  align-content: start;
}

.page-products .prod-strip-item {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "num title"
    "num desc";
  gap: 2px 14px;
  padding: 16px 18px;
  border: var(--prod-line);
  background: var(--paper);
  color: var(--ink);
  text-decoration: none;
  clip-path: polygon(0 0, calc(100% - var(--prod-cut)) 0, 100% var(--prod-cut), 100% 100%, var(--prod-cut) 100%, 0 calc(100% - var(--prod-cut)));
  transition: transform 220ms var(--ease), border-color 220ms var(--ease), background-color 220ms var(--ease);
}

.page-products .prod-strip-item:hover,
.page-products .prod-strip-item:focus-visible {
  border-color: var(--gold);
  transform: translateY(-2px);
}

.page-products .prod-strip-item--red {
  background-image: var(--sheen);
  border-color: transparent;
  color: #FBF6EC;
}

.page-products .prod-strip-item--red .prod-strip-num,
.page-products .prod-strip-item--red .prod-strip-desc {
  color: rgba(251, 246, 236, 0.82);
}

.page-products .prod-strip-item--jade {
  border-left: 3px solid var(--jade);
}

.page-products .prod-strip-num {
  grid-area: num;
  font-family: var(--font-num);
  font-size: 26px;
  line-height: 1;
  color: var(--gold-deep);
  font-variant-numeric: tabular-nums;
}

.page-products .prod-strip-title {
  grid-area: title;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
}

.page-products .prod-strip-desc {
  grid-area: desc;
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-soft);
}

/* ---------- 通用区块头 ---------- */
.page-products .prod-side-note {
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-soft);
  max-width: 44ch;
  margin: 0;
}

.page-products .prod-sub {
  font-family: var(--font-head);
  font-size: 20px;
  color: var(--ink);
  margin: 26px 0 10px;
}

/* ---------- 安卓注册 ---------- */
.page-products .prod-register-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  margin-top: 30px;
}

.page-products .prod-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-left: 2px solid var(--gold);
}

.page-products .prod-step {
  position: relative;
  padding: 0 0 26px 22px;
}

.page-products .prod-step::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 8px;
  width: 12px;
  height: 12px;
  background: var(--gold);
  transform: rotate(45deg);
}

.page-products .prod-step-idx {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cinnabar-deep);
}

.page-products .prod-step h3 {
  font-family: var(--font-head);
  font-size: 21px;
  margin: 6px 0 8px;
  color: var(--ink);
}

.page-products .prod-step p {
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-products .prod-register-figure {
  margin: 0;
  border: var(--prod-line);
  background: var(--cream);
}

.page-products .prod-register-foot {
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px dashed var(--rule);
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-products .prod-register-foot a {
  color: var(--lapis);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 安装包参数 ---------- */
.page-products .prod-spec-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  margin-top: 28px;
}

.page-products .prod-spec-table {
  border-top: 2px solid var(--ink);
  border-bottom: 1px solid var(--rule);
}

.page-products .prod-spec-row {
  display: grid;
  grid-template-columns: minmax(96px, 32%) 1fr;
  gap: 12px;
  padding: 13px 12px;
  border-bottom: var(--prod-line);
  font-size: 15px;
  line-height: 1.6;
  transition: background-color 200ms var(--ease);
}

.page-products .prod-spec-row--head {
  background: var(--cream);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
  border-bottom: 1px solid var(--ink);
}

.page-products .prod-spec-row:nth-child(even):not(.prod-spec-row--head) {
  background: rgba(239, 228, 210, 0.42);
}

.page-products .prod-spec-row[tabindex]:hover,
.page-products .prod-spec-row[tabindex]:focus-visible {
  background: var(--cream-deep);
}

.page-products .prod-spec-row [role="cell"]:first-child {
  color: var(--ink-soft);
}

.page-products .prod-spec-row [role="cell"]:last-child {
  color: var(--ink);
  font-weight: 500;
}

.page-products .num {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
}

.page-products .prod-package-aside {
  padding: 24px 22px;
  background: var(--cream);
  border: 1px solid var(--gold);
}

.page-products .prod-package-aside h3 {
  font-family: var(--font-head);
  font-size: 20px;
  margin: 0 0 14px;
  color: var(--ink);
}

.page-products .prod-check-list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .prod-check-list li {
  position: relative;
  padding-left: 26px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-products .prod-check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 12px;
  height: 12px;
  border: 1.5px solid var(--gold-deep);
  transform: rotate(45deg);
}

.page-products .prod-aside-note {
  margin: 0;
  padding-top: 14px;
  border-top: 1px dashed var(--rule);
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-soft);
}

/* ---------- 资源下载 ---------- */
.page-products .prod-assets-figure {
  margin: 26px 0 0;
  border: var(--prod-line);
  background: var(--paper);
}

.page-products .prod-assets-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin-top: 26px;
  border-top: 2px solid var(--ink);
}

.page-products .prod-asset {
  padding: 24px 0;
  border-bottom: 1px solid var(--rule);
}

.page-products .prod-asset h3 {
  font-family: var(--font-head);
  font-size: 22px;
  margin: 8px 0 10px;
  color: var(--ink);
}

.page-products .prod-asset > p {
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-products .prod-asset-tag {
  display: inline-block;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.1em;
  padding: 3px 10px;
  border: 1px solid var(--cinnabar);
  color: var(--cinnabar-deep);
}

.page-products .prod-asset-tag--gold {
  border-color: var(--gold-deep);
  color: var(--gold-deep);
}

.page-products .prod-asset-tag--jade {
  border-color: var(--jade);
  color: var(--jade);
}

.page-products .prod-fold {
  margin-top: 14px;
  border-top: 1px dashed var(--rule);
  padding-top: 12px;
}

.page-products .prod-fold summary {
  cursor: pointer;
  font-size: 14px;
  color: var(--lapis);
  letter-spacing: 0.02em;
  list-style: none;
  position: relative;
  padding-left: 20px;
}

.page-products .prod-fold summary::-webkit-details-marker {
  display: none;
}

.page-products .prod-fold summary::before {
  content: "+";
  position: absolute;
  left: 0;
  font-family: var(--font-num);
  color: var(--gold-deep);
}

.page-products .prod-fold[open] summary::before {
  content: "−";
}

.page-products .prod-fold p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-products .prod-assets-foot {
  margin: 22px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-products .prod-assets-foot a {
  color: var(--lapis);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 栏目查询与导出 ---------- */
.page-products .prod-query-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  margin-top: 28px;
}

.page-products .prod-query-text {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-products .prod-counter {
  margin: 18px 0 4px;
  padding: 18px;
  border: 1px solid var(--rule);
  background: var(--cream);
}

.page-products .prod-counter-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
}

.page-products .prod-counter-value {
  font-family: var(--font-num);
  color: var(--cinnabar-deep);
  font-size: 14px;
}

.page-products .prod-counter-value b {
  font-size: 22px;
}

.page-products .prod-counter-bar {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 4px;
  margin: 12px 0 10px;
}

.page-products .prod-counter-bar i {
  display: block;
  height: 10px;
  background: var(--gold);
  opacity: 0.85;
}

.page-products .prod-counter-bar i:nth-child(2n) {
  background: var(--cinnabar);
}

.page-products .prod-counter-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-products .prod-format-switch {
  display: inline-flex;
  margin: 16px 0 0;
  border: 1px solid var(--ink);
}

.page-products .prod-format-tab {
  appearance: none;
  border: 0;
  background: transparent;
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: 0.08em;
  padding: 9px 22px;
  color: var(--ink);
  cursor: pointer;
}

.page-products .prod-format-tab.is-active {
  background: var(--ink);
  color: var(--paper);
}

.page-products .prod-format-tab:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: -2px;
}

.page-products .prod-field-preview {
  margin-top: 16px;
  border-top: 2px solid var(--ink);
}

.page-products .prod-field-preview[hidden] {
  display: none;
}

.page-products .prod-field-row {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 10px;
  padding: 11px 10px;
  border-bottom: 1px solid var(--rule);
  font-size: 14px;
  color: var(--ink-soft);
}

.page-products .prod-field-row--head {
  background: var(--cream);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ink);
  border-bottom: 1px solid var(--ink);
}

.page-products .prod-field-note {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-products .prod-query-figure {
  margin: 0;
  border: var(--prod-line);
  background: var(--cream);
}

/* ---------- 场景折叠 ---------- */
.page-products .prod-scene-list {
  margin-top: 28px;
  border-top: 2px solid var(--ink);
}

.page-products .prod-scene {
  border-bottom: 1px solid var(--rule);
}

.page-products .prod-scene summary {
  cursor: pointer;
  list-style: none;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: baseline;
  padding: 20px 4px;
}

.page-products .prod-scene summary::-webkit-details-marker {
  display: none;
}

.page-products .prod-scene[open] summary {
  background: rgba(201, 162, 39, 0.09);
}

.page-products .prod-scene-idx {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cinnabar-deep);
}

.page-products .prod-scene-title {
  font-family: var(--font-head);
  font-size: 19px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.45;
}

.page-products .prod-scene-body {
  padding: 0 4px 24px 4px;
}

.page-products .prod-scene-body > p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-products .prod-scene-body a {
  color: var(--lapis);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-products .prod-scene-flow {
  list-style: none;
  counter-reset: flow;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-products .prod-scene-flow li {
  counter-increment: flow;
  position: relative;
  padding-left: 30px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-products .prod-scene-flow li::before {
  content: counter(flow, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  font-family: var(--font-num);
  font-size: 12px;
  color: var(--gold-deep);
  letter-spacing: 0.06em;
}

/* ---------- 版本对照 ---------- */
.page-products .prod-version-compare {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin-top: 28px;
}

.page-products .prod-version-col {
  padding: 24px 20px;
  border: 1px solid var(--rule);
}

.page-products .prod-version-col--old {
  background: var(--cream);
  color: var(--ink-soft);
}

.page-products .prod-version-col--new {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

.page-products .prod-version-col h3 {
  font-family: var(--font-head);
  font-size: 22px;
  margin: 0 0 16px;
  letter-spacing: 0.04em;
}

.page-products .prod-version-col--old h3 {
  color: var(--ink-soft);
}

.page-products .prod-version-col--new h3 {
  color: var(--gold);
}

.page-products .prod-version-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .prod-version-list li {
  display: grid;
  gap: 3px;
  font-size: 14px;
  line-height: 1.7;
  padding-bottom: 12px;
  border-bottom: 1px dashed rgba(120, 106, 86, 0.35);
}

.page-products .prod-version-col--new .prod-version-list li {
  border-bottom-color: rgba(201, 162, 39, 0.32);
}

.page-products .prod-version-key {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--gold-deep);
}

.page-products .prod-version-col--new .prod-version-key {
  color: var(--gold);
}

.page-products .prod-version-axis {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 6px;
  padding: 14px 20px;
  background: var(--cream-deep);
}

.page-products .prod-version-axis span {
  height: 2px;
  background: var(--gold-deep);
  opacity: 0.6;
}

.page-products .prod-version-figure {
  margin: 26px 0 0;
  border: var(--prod-line);
}

.page-products .prod-version-foot {
  margin: 22px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-products .prod-version-foot a {
  color: var(--lapis);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 收束 ---------- */
.page-products .prod-closing {
  position: relative;
  overflow: hidden;
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-products .prod-closing-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.14;
  pointer-events: none;
}

.page-products .prod-closing-inner {
  position: relative;
  padding-top: clamp(36px, 6vw, 72px);
}

.page-products .prod-closing-inner h2 {
  font-family: var(--font-head);
  font-size: clamp(24px, 3.4vw, 38px);
  line-height: 1.25;
  color: var(--ink);
  margin: 0 0 16px;
  max-width: 24ch;
}

.page-products .prod-closing-inner .lead {
  max-width: 62ch;
  color: var(--ink-soft);
}

.page-products .prod-closing-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-products .prod-hero-strip {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-products .prod-register-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
    align-items: start;
  }

  .page-products .prod-spec-layout {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .prod-assets-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 0 28px;
  }

  .page-products .prod-version-compare {
    grid-template-columns: 1fr;
  }

  .page-products .prod-closing-actions .btn {
    min-width: 200px;
    justify-content: center;
  }
}

@media (min-width: 1024px) {
  .page-products .prod-hero-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: 48px;
    align-items: start;
    margin-top: 30px;
  }

  .page-products .prod-hero-strip {
    grid-template-columns: 1fr;
    gap: 12px;
    margin-top: 8px;
  }

  .page-products .prod-query-layout {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    gap: 36px;
    align-items: start;
  }

  .page-products .prod-version-compare {
    grid-template-columns: minmax(0, 1fr) 44px minmax(0, 1fr);
    align-items: stretch;
  }

  .page-products .prod-version-axis {
    grid-template-columns: 1fr;
    grid-auto-rows: 1fr;
    padding: 24px 0;
    background: transparent;
    border-left: 2px dashed var(--gold);
    border-right: 2px dashed var(--gold);
  }

  .page-products .prod-version-axis span {
    height: auto;
    width: 100%;
    background: transparent;
  }

  .page-products .prod-version-axis::before {
    content: "";
    position: absolute;
  }

  .page-products .prod-version-col {
    padding: 30px 26px;
  }
}

@media (min-width: 1240px) {
  .page-products .prod-hero-grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    gap: 64px;
  }

  .page-products .prod-spec-row {
    padding: 14px 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .prod-strip-item {
    transition: none;
  }
  .page-products .prod-strip-item:hover,
  .page-products .prod-strip-item:focus-visible {
    transform: none;
  }
}
</PAGE_CSS>>