.page-products {
  --pp-shadow: none;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  overflow-x: hidden;
}

.page-products .section {
  padding: 44px 0;
  position: relative;
}

/* ---------- 页头 ---------- */
.page-products .page-head {
  padding: 22px 0 34px;
  border-bottom: 1px solid var(--line);
}

.page-products .page-head__eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--blue);
  margin: 0 0 14px;
}

.page-products .page-head__title {
  font-size: 30px;
  line-height: 1.24;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin: 0 0 16px;
  max-width: 24ch;
}

.page-products .page-head__lede {
  font-size: 16px;
  line-height: 1.85;
  margin: 0 0 22px;
  max-width: 64ch;
  color: var(--ink);
}

.page-products .page-head__meta {
  list-style: none;
  margin: 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

/* ---------- 章节标题 ---------- */
.page-products .chapter {
  display: grid;
  gap: 12px;
  margin-bottom: 26px;
}

.page-products .chapter__num {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--cyan);
  margin: 0;
}

.page-products .chapter__title {
  font-size: 24px;
  line-height: 1.3;
  font-weight: 800;
  margin: 0;
  max-width: 28ch;
}

.page-products .chapter__lede {
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
  margin: 0;
  max-width: 68ch;
}

/* ---------- 01 仪表板 ---------- */
.page-products .dash-figure {
  position: relative;
  margin: 0 0 28px;
  border: 1px solid var(--line);
  background: var(--indigo);
  overflow: hidden;
}

.page-products .dash-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 250px;
  object-fit: cover;
  opacity: 0.42;
}

.page-products .dash-figure__tag {
  position: absolute;
  left: 0;
  bottom: 0;
  background: var(--indigo-deep);
  color: var(--on-dark);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  padding: 8px 14px;
}

.page-products .dash {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .dash__card {
  background: var(--white);
  padding: 20px 18px 20px 22px;
  display: grid;
  gap: 10px;
  align-content: start;
  position: relative;
  border: 0;
  border-radius: 0;
  box-shadow: var(--pp-shadow);
  transition: background var(--t);
}

.page-products .dash__card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--cyan);
}

.page-products .dash__card--indigo::before {
  background: var(--blue);
}

.page-products .dash__card--cyan::before {
  background: var(--cyan);
}

.page-products .dash__card--orange::before {
  background: var(--orange);
}

.page-products .dash__card:hover {
  background: #FBF9F4;
}

.page-products .dash__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.page-products .dash__no {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-products .dash__title {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  margin: 0;
}

.page-products .dash__body {
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
  margin: 0;
}

.page-products .dash__out {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink);
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height var(--t), opacity var(--t);
}

.page-products .dash__card:hover .dash__out,
.page-products .dash__card:focus-within .dash__out {
  max-height: 140px;
  opacity: 1;
}

.page-products .dash__entry {
  margin: 0;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.page-products .dash__entry a {
  color: var(--blue);
}

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

/* ---------- 02 对照字段 ---------- */
.page-products .media {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--white);
  overflow: hidden;
}

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

.page-products .media__caption {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--muted);
  padding: 10px 12px;
  border-top: 1px solid var(--line);
}

.page-products .fields {
  margin-top: 28px;
}

.page-products .fields__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.page-products .fields__tabs {
  display: flex;
  flex-wrap: nowrap;
  overflow-x: auto;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-bottom: 0;
}

.page-products .fields__tab {
  flex: 1 0 auto;
  text-align: center;
  padding: 13px 16px;
  background: var(--paper);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  white-space: nowrap;
  cursor: pointer;
  transition: background var(--t), color var(--t);
}

.page-products .fields__tab:hover {
  color: var(--indigo);
}

.page-products #pp-fs-a:checked ~ .fields__tabs label[for="pp-fs-a"],
.page-products #pp-fs-b:checked ~ .fields__tabs label[for="pp-fs-b"],
.page-products #pp-fs-c:checked ~ .fields__tabs label[for="pp-fs-c"] {
  background: var(--indigo);
  color: var(--white);
}

.page-products #pp-fs-a:focus-visible ~ .fields__tabs label[for="pp-fs-a"],
.page-products #pp-fs-b:focus-visible ~ .fields__tabs label[for="pp-fs-b"],
.page-products #pp-fs-c:focus-visible ~ .fields__tabs label[for="pp-fs-c"] {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-products .fields__panel {
  display: none;
  border: 1px solid var(--line);
  border-top: 0;
  background: var(--white);
}

.page-products #pp-fs-a:checked ~ .fields__panel--a,
.page-products #pp-fs-b:checked ~ .fields__panel--b,
.page-products #pp-fs-c:checked ~ .fields__panel--c {
  display: block;
}

.page-products .fields__scroll {
  overflow-x: auto;
}

.page-products .table-diff {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .table-diff caption {
  text-align: left;
  padding: 16px 16px 12px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.page-products .table-diff th,
.page-products .table-diff td {
  text-align: left;
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  vertical-align: top;
}

.page-products .table-diff thead th {
  border-top: 0;
  background: var(--paper);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--blue);
}

.page-products .table-diff tbody th {
  font-weight: 600;
  color: var(--ink);
}

.page-products .table-diff tbody td {
  color: var(--muted);
}

.page-products .table-diff .diff {
  background: var(--orange-soft);
  color: var(--ink);
  font-weight: 600;
}

.page-products .fields__foot {
  margin: 0;
  padding: 14px 16px 18px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

.page-products .fields__foot a {
  margin-left: 6px;
  color: var(--blue);
  border-bottom: 1px solid var(--cyan);
}

/* ---------- 03 主题分类 ---------- */
.page-products .split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}

.page-products .topics {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .topics li {
  background: var(--white);
  padding: 13px 14px;
  display: flex;
  gap: 10px;
  align-items: baseline;
  font-size: 14px;
  line-height: 1.5;
  transition: background var(--t);
}

.page-products .topics li:hover {
  background: #FBF9F4;
}

.page-products .topics li span {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--cyan);
  letter-spacing: 0.06em;
}

.page-products .split__note {
  margin: 18px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--cyan);
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 04 归档（深色） ---------- */
.page-products .section--indigo {
  background-color: var(--indigo);
  background-image:
    repeating-linear-gradient(to right, rgba(255, 255, 255, 0.055) 0 1px, transparent 1px 24px),
    repeating-linear-gradient(to bottom, rgba(255, 255, 255, 0.055) 0 1px, transparent 1px 24px);
  color: var(--white);
}

.page-products .section--indigo .chapter__num {
  color: var(--cyan);
}

.page-products .section--indigo .chapter__title {
  color: var(--white);
}

.page-products .section--indigo .chapter__lede {
  color: var(--on-dark);
}

.page-products .section--indigo .media {
  border-color: rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.04);
}

.page-products .section--indigo .media__caption {
  border-top-color: rgba(255, 255, 255, 0.22);
  color: var(--on-dark-dim);
}

.page-products .archive {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: flex;
  overflow-x: auto;
  border-top: 1px solid rgba(255, 255, 255, 0.22);
}

.page-products .archive__item {
  flex: 1 0 140px;
  position: relative;
  padding: 24px 16px 20px;
  border-left: 1px solid rgba(255, 255, 255, 0.22);
}

.page-products .archive__item:first-child {
  border-left: 0;
}

.page-products .archive__item::before {
  content: "";
  position: absolute;
  top: -5px;
  left: 16px;
  width: 9px;
  height: 9px;
  background: var(--cyan);
}

.page-products .archive__item--now::before {
  width: 11px;
  height: 11px;
  top: -6px;
  background: var(--orange);
}

.page-products .archive__year {
  display: block;
  font-family: var(--mono);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--white);
  margin-bottom: 8px;
}

.page-products .archive__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--on-dark);
}

.page-products .archive-note {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--on-dark);
  max-width: 74ch;
}

/* ---------- 05 导出 ---------- */
.page-products .step-rail {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .step-rail__step {
  background: var(--white);
  padding: 18px 16px;
  display: grid;
  gap: 8px;
  align-content: start;
}

.page-products .step-rail__no {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-products .step-rail__step--done .step-rail__no {
  color: var(--orange);
}

.page-products .step-rail__title {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
}

.page-products .step-rail__desc {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

.page-products .step-rail__step--current {
  background: var(--indigo);
}

.page-products .step-rail__step--current .step-rail__no {
  color: var(--cyan);
}

.page-products .step-rail__step--current .step-rail__title {
  color: var(--white);
}

.page-products .step-rail__step--current .step-rail__desc {
  color: var(--on-dark);
}

.page-products .export-facts {
  margin: 0;
  border-top: 1px solid var(--line);
}

.page-products .export-facts__row {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.page-products .export-facts dt {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--blue);
}

.page-products .export-facts dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink);
}

/* ---------- 06 场景 ---------- */
.page-products .scenes {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-products .scenes__item {
  position: relative;
  padding: 18px 0 18px 18px;
  border-bottom: 1px solid var(--line);
  display: grid;
  gap: 6px;
  transition: background var(--t);
}

.page-products .scenes__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 24px;
  width: 6px;
  height: 6px;
  background: var(--cyan);
}

.page-products .scenes__item:hover {
  background: rgba(40, 194, 255, 0.06);
}

.page-products .scenes__tag {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--indigo);
}

.page-products .scenes__title {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink);
}

.page-products .scenes__pick {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.7;
  color: var(--orange);
}

/* ---------- 07 说明 + 相关入口 ---------- */
.page-products .notes {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .notes__item {
  background: var(--white);
  padding: 20px 18px;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  align-content: start;
}

.page-products .notes__no {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--cyan);
  padding-top: 2px;
}

.page-products .notes__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--ink);
}

.page-products .more-links {
  margin-top: 34px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.page-products .more-links__label {
  margin: 0 0 14px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--muted);
}

.page-products .more-links__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-products .more-links__list a {
  display: inline-block;
  font-size: 15px;
  line-height: 1.6;
  color: var(--indigo);
  border-bottom: 1px solid var(--cyan);
  padding-bottom: 2px;
}

.page-products .more-links__list a:hover {
  color: var(--blue);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-products .dash {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .topics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .step-rail {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .notes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .more-links__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-products .section {
    padding: 68px 0;
  }

  .page-products .page-head {
    padding: 30px 0 46px;
  }

  .page-products .page-head__title {
    font-size: 52px;
    max-width: 22ch;
  }

  .page-products .page-head__lede {
    font-size: 17px;
  }

  .page-products .chapter {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    grid-template-areas:
      "num num"
      "title lede";
    column-gap: 48px;
    align-items: start;
    margin-bottom: 34px;
  }

  .page-products .chapter__num {
    grid-area: num;
  }

  .page-products .chapter__title {
    grid-area: title;
    font-size: 34px;
  }

  .page-products .chapter__lede {
    grid-area: lede;
    font-size: 16px;
    padding-top: 6px;
  }

  .page-products .dash-figure img {
    max-height: 340px;
  }

  .page-products .dash__card {
    padding: 24px 22px 24px 26px;
  }

  .page-products .split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 380px);
    gap: 44px;
  }

  .page-products .export-facts__row {
    grid-template-columns: 180px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
  }

  .page-products .scenes__item {
    grid-template-columns: 92px minmax(0, 1fr) minmax(0, 300px);
    gap: 28px;
    align-items: baseline;
    padding-left: 22px;
  }

  .page-products .scenes__pick {
    text-align: right;
  }

  .page-products .archive__item {
    flex: 1 1 0;
    min-width: 150px;
  }
}

@media (min-width: 1120px) {
  .page-products .page-head__title {
    font-size: 58px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .dash__card,
  .page-products .dash__card::before,
  .page-products .dash__out,
  .page-products .topics li,
  .page-products .scenes__item,
  .page-products .fields__tab {
    transition: none;
  }

  .page-products .dash__out {
    max-height: none;
    opacity: 1;
  }
}

@media (max-width: 719px) {
  .page-products .dash__out {
    max-height: none;
    opacity: 1;
  }
}