.page-products {
  --cat-rule: rgba(22, 19, 15, 0.14);
  --cat-rule-strong: #16130F;
  --side-top: 12px;
}

/* ---------- 首屏 ---------- */
.page-products .dl-hero {
  padding-bottom: clamp(20px, 3vw, 34px);
  border-bottom: 2px solid var(--ink);
}

.page-products .dl-hero h1 {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 6.2vw, 4rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  max-width: 20ch;
}

.page-products .dl-hero__lede {
  margin-top: clamp(14px, 2vw, 22px);
  max-width: 56ch;
  font-size: clamp(16px, 1.05vw, 17.5px);
  line-height: 1.85;
  color: var(--text-soft);
}

.page-products .dl-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .dl-hero__facts li {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 6px 12px;
  border: 1px solid var(--cat-rule);
  border-radius: 999px;
  background: var(--paper-2);
  font-size: 0.86rem;
  color: var(--text-soft);
}

.page-products .dl-hero__facts .num {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: 0.98rem;
  color: var(--ink);
}

.page-products .dl-hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
  margin-top: 24px;
}

/* ---------- 通用排版 ---------- */
.page-products .section {
  padding: clamp(44px, 7vw, 88px) 0;
}

.page-products .section--paper2 {
  background: var(--paper-2);
}

.page-products .section h2 {
  margin: 6px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.6rem, 3.8vw, 2.6rem);
  line-height: 1.2;
  letter-spacing: -0.015em;
  max-width: 24ch;
}

.page-products .section .prose {
  margin-top: 16px;
  max-width: 62ch;
  color: var(--text-soft);
}

.page-products .note {
  margin-top: 20px;
  max-width: 62ch;
  padding-left: 14px;
  border-left: 3px solid var(--gold);
  font-size: 0.92rem;
  color: var(--text-soft);
}

.page-products .link-more {
  font-size: 0.94rem;
}

/* ---------- 下载章节 ---------- */
.page-products .dl-grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  grid-template-columns: 1fr;
  align-items: start;
}

.page-products .dl-grid__main .prose {
  margin-top: 16px;
}

.page-products .dl-grid__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-products .spec-list {
  margin: 24px 0 0;
  border-top: 2px solid var(--ink);
}

.page-products .spec-list__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  padding: 12px 0;
  border-bottom: 1px solid var(--cat-rule);
}

.page-products .spec-list__row dt {
  font-size: 0.84rem;
  letter-spacing: 0.04em;
  color: var(--stone);
}

.page-products .spec-list__row dd {
  margin: 0;
  font-weight: 700;
  font-size: 1rem;
  color: var(--ink);
}

.page-products .dl-grid__figure {
  margin: 0;
}

/* ---------- 图片容器 ---------- */
.page-products .figure {
  margin: 24px 0 0;
}

.page-products .figure__frame {
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--cat-rule);
  background: var(--paper);
}

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

.page-products .figure__caption {
  margin-top: 10px;
  font-size: 0.84rem;
  line-height: 1.7;
  color: var(--stone);
}

.page-products .cat-figure {
  margin-top: 26px;
}

/* ---------- 分类锚点条 ---------- */
.page-products .cat-toc {
  position: sticky;
  top: var(--bar-h);
  z-index: 3;
  display: flex;
  gap: 8px;
  margin: 26px -4px 8px;
  padding: 10px 4px;
  overflow-x: auto;
  background: var(--paper);
  border-bottom: 2px solid var(--ink);
  scrollbar-width: thin;
}

.page-products .cat-toc a {
  flex: 0 0 auto;
  padding: 7px 12px;
  border: 1px solid var(--cat-rule);
  border-radius: 999px;
  font-size: 0.86rem;
  color: var(--ink);
  text-decoration: none;
  background: var(--paper-2);
  white-space: nowrap;
  transition: background-color 0.18s ease, border-color 0.18s ease;
}

.page-products .cat-toc a:hover,
.page-products .cat-toc a[aria-current="true"] {
  background: var(--gold-pale);
  border-color: var(--gold-deep);
}

/* ---------- 清单两栏 ---------- */
.page-products .catalog-layout {
  display: grid;
  gap: clamp(24px, 3vw, 40px);
  grid-template-columns: 1fr;
  align-items: start;
  margin-top: 22px;
}

.page-products .catalog-main {
  min-width: 0;
}

/* ---------- 侧边卡片 ---------- */
.page-products .catalog-side {
  display: grid;
  gap: 14px;
}

.page-products .side-card {
  padding: 18px;
  border: 1px solid var(--cat-rule);
  border-radius: var(--radius);
  background: var(--paper-2);
  box-shadow: var(--shadow-1);
}

.page-products .side-card--gold {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

.page-products .side-card--gold .side-card__k {
  color: var(--gold);
}

.page-products .side-card--gold .side-card__v {
  color: var(--paper);
}

.page-products .side-card--gold .side-card__meta {
  color: rgba(247, 243, 234, 0.78);
}

.page-products .side-card__k {
  margin: 0;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--stone);
}

.page-products .side-card__v {
  margin: 6px 0 0;
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: 1.6rem;
  letter-spacing: 0.02em;
}

.page-products .side-card__meta {
  margin: 8px 0 0;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--text-soft);
}

.page-products .side-card .btn,
.page-products .side-card .link-more {
  margin-top: 14px;
}

/* ---------- 分类块 ---------- */
.page-products .cat-block {
  scroll-margin-top: calc(var(--bar-h) + 70px);
}

.page-products .cat-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 14px;
  margin-top: clamp(34px, 5vw, 56px);
  padding-top: 14px;
  border-top: 3px solid var(--cat-rule-strong);
}

.page-products .cat-block:first-child .cat-head {
  margin-top: 26px;
}

.page-products .cat-head__no {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: 1rem;
  letter-spacing: 0.08em;
  color: var(--cinnabar);
  font-weight: 700;
}

.page-products .cat-head__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.3rem, 2.8vw, 1.85rem);
  letter-spacing: -0.01em;
}

.page-products .cat-head__count {
  margin-left: auto;
  font-size: 0.84rem;
  color: var(--stone);
}

/* ---------- 清单勾选 ---------- */
.page-products .checklist {
  margin-top: 10px;
}

.page-products .checklist__count {
  display: inline-block;
  margin: 0 0 6px;
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--gold-pale);
  color: var(--ink);
  font-size: 0.82rem;
  font-variant-numeric: tabular-nums;
}

.page-products .checklist__count span {
  font-family: var(--font-num);
  font-weight: 700;
}

.page-products .check-list {
  border-top: 1px solid var(--cat-rule);
}

.page-products .check-item {
  display: grid;
  grid-template-columns: 22px 28px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  width: 100%;
  margin: 0;
  padding: 14px 8px;
  text-align: left;
  font: inherit;
  color: inherit;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--cat-rule);
  cursor: pointer;
  transition: background-color 0.18s ease;
}

.page-products .check-item:hover {
  background: var(--paper-2);
}

.page-products .check-item[aria-pressed="true"] {
  background: var(--gold-pale);
}

.page-products .check-item__box {
  position: relative;
  width: 20px;
  height: 20px;
  margin-top: 2px;
  border: 2px solid var(--ink);
  border-radius: 4px;
  background: var(--paper);
  transition: background-color 0.18s ease, border-color 0.18s ease;
}

.page-products .check-item[aria-pressed="true"] .check-item__box {
  background: var(--ink);
  border-color: var(--ink);
}

.page-products .check-item[aria-pressed="true"] .check-item__box::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 1px;
  width: 5px;
  height: 10px;
  border-right: 2px solid var(--gold-pale);
  border-bottom: 2px solid var(--gold-pale);
  transform: rotate(42deg);
}

.page-products .check-item__idx {
  margin-top: 3px;
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--gold-deep);
}

.page-products .check-item__text strong {
  display: block;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.5;
}

.page-products .check-item__meta {
  display: block;
  margin-top: 4px;
  font-size: 0.85rem;
  line-height: 1.65;
  color: var(--text-soft);
}

/* ---------- 费用 ---------- */
.page-products .fee-block {
  margin-top: 26px;
}

.page-products .fee-bar {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 96px;
}

.page-products .fee-seg {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  color: var(--paper);
  transition: filter 0.18s ease, transform 0.18s ease;
}

.page-products .fee-seg:hover {
  filter: brightness(1.08);
  transform: translateY(-2px);
}

.page-products .fee-seg--base {
  background: var(--ink);
  border-left: 8px solid var(--gold);
}

.page-products .fee-seg--mat {
  background: var(--clay);
  border-left: 8px solid var(--gold-pale);
}

.page-products .fee-seg--add {
  background: var(--stone);
  border-left: 8px solid var(--celadon);
}

.page-products .fee-seg__name {
  font-weight: 700;
  font-size: 0.96rem;
}

.page-products .fee-seg__tag {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: 0.86rem;
  letter-spacing: 0.02em;
}

.page-products .fee-figure {
  margin-top: 22px;
}

.page-products .street-table__caption,
.page-products .fee-table__caption {
  text-align: left;
  padding: 0 0 12px;
  font-size: 0.84rem;
  color: var(--stone);
}

/* ---------- 表格 ---------- */
.page-products .table-wrap {
  margin-top: 24px;
}

.page-products .street-table,
.page-products .fee-table {
  width: 100%;
}

/* ---------- 步骤 ---------- */
.page-products .step-list {
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
  border-top: 2px solid var(--ink);
}

.page-products .step-item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  padding: 20px 0;
  border-bottom: 1px solid var(--cat-rule);
}

.page-products .step-item__no {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--gold);
  color: var(--ink);
  font-family: var(--font-num);
  font-weight: 700;
  font-size: 1.05rem;
}

.page-products .step-item__body h3 {
  margin: 4px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.12rem;
  line-height: 1.45;
}

.page-products .step-item__body p {
  margin: 8px 0 0;
  max-width: 58ch;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-products .trouble {
  margin-top: 32px;
  padding: 20px;
  border-radius: var(--radius);
  background: var(--paper);
  border: 1px solid var(--cat-rule);
}

.page-products .trouble__title {
  margin: 0 0 4px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.1rem;
}

.page-products .trouble__row {
  padding: 12px 0;
  border-bottom: 1px dashed var(--cat-rule);
}

.page-products .trouble__row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-products .trouble__row dt {
  font-weight: 700;
  font-size: 0.95rem;
}

.page-products .trouble__row dd {
  margin: 4px 0 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--text-soft);
}

/* ---------- 版本记录 ---------- */
.page-products .version-list {
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  border-left: 3px solid var(--gold-pale);
}

.page-products .version-item {
  position: relative;
  padding: 0 0 26px 22px;
}

.page-products .version-item::before {
  content: "";
  position: absolute;
  left: -9px;
  top: 6px;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--paper);
  border: 3px solid var(--gold);
}

.page-products .version-item__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.12rem;
  line-height: 1.45;
}

.page-products .version-item p {
  margin: 8px 0 0;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-products .cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
  padding-top: 24px;
  border-top: 1px solid var(--cat-rule);
}

/* ---------- 平板 ---------- */
@media (min-width: 720px) {
  .page-products .spec-list__row {
    grid-template-columns: 160px minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
  }

  .page-products .fee-bar {
    flex-direction: row;
    align-items: stretch;
    min-height: 116px;
  }

  .page-products .fee-seg {
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-end;
    gap: 6px;
    padding: 16px;
  }

  .page-products .fee-seg--base { flex: 58 1 0; }
  .page-products .fee-seg--mat { flex: 24 1 0; }
  .page-products .fee-seg--add { flex: 18 1 0; }
}

/* ---------- 桌面 ---------- */
@media (min-width: 1000px) {
  .page-products .dl-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  }

  .page-products .dl-grid__figure {
    margin-top: 0;
  }

  .page-products .catalog-layout {
    grid-template-columns: minmax(0, 1fr) 320px;
  }

  .page-products .catalog-side {
    position: sticky;
    top: 28px;
  }

  .page-products .cat-toc {
    top: 0;
  }

  .page-products .cat-block {
    scroll-margin-top: 84px;
  }
}

/* ---------- 移动端表格转卡片 ---------- */
@media (max-width: 719px) {
  .page-products .street-table,
  .page-products .fee-table,
  .page-products .street-table thead,
  .page-products .fee-table thead,
  .page-products .street-table tbody,
  .page-products .fee-table tbody,
  .page-products .street-table tr,
  .page-products .fee-table tr,
  .page-products .street-table td,
  .page-products .fee-table td {
    display: block;
    width: 100%;
  }

  .page-products .street-table thead,
  .page-products .fee-table thead {
    display: none;
  }

  .page-products .street-table tr,
  .page-products .fee-table tr {
    margin-bottom: 12px;
    padding: 12px 14px;
    border: 1px solid var(--cat-rule);
    border-radius: var(--radius-sm);
    background: var(--paper);
  }

  .page-products .street-table td,
  .page-products .fee-table td {
    display: flex;
    justify-content: space-between;
    gap: 14px;
    padding: 5px 0;
    border: 0;
    font-size: 0.92rem;
  }

  .page-products .street-table td::before,
  .page-products .fee-table td::before {
    content: attr(data-label);
    flex: 0 0 auto;
    color: var(--stone);
    font-size: 0.82rem;
  }

  .page-products .street-table td:first-child,
  .page-products .fee-table td:first-child {
    font-weight: 700;
    color: var(--ink);
    border-bottom: 1px dashed var(--cat-rule);
    padding-bottom: 8px;
    margin-bottom: 4px;
  }

  .page-products .street-table td:first-child::before,
  .page-products .fee-table td:first-child::before {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .check-item,
  .page-products .check-item__box,
  .page-products .fee-seg,
  .page-products .cat-toc a {
    transition: none;
  }

  .page-products .fee-seg:hover {
    transform: none;
  }
}