.page-products {
  --pd-gap: 24px;
  display: block;
  background: var(--c-mist);
  color: var(--c-body);
  padding-bottom: 72px;
}

.page-products .page-shell {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 20px;
}

.page-products .breadcrumb {
  padding: 18px 0 0;
}

/* ---------- 首屏 ---------- */

.page-products .pd-hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  padding: 34px 0 38px;
  border-bottom: 1px solid var(--c-line);
  overflow: hidden;
}

.page-products .pd-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(14, 42, 71, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(14, 42, 71, .05) 1px, transparent 1px);
  background-size: 72px 72px;
  pointer-events: none;
}

.page-products .pd-hero__main,
.page-products .pd-hero__aside {
  position: relative;
  z-index: 1;
}

.page-products .pd-hero__dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--c-orange);
  vertical-align: middle;
}

.page-products .pd-hero__title {
  font-size: clamp(28px, 4.6vw, 46px);
  line-height: 1.22;
  font-weight: 600;
  letter-spacing: .03em;
  color: var(--c-rock);
  margin: 14px 0 18px;
  max-width: 20em;
}

.page-products .pd-hero__lede {
  font-size: 16px;
  line-height: 1.8;
  color: var(--c-body);
  margin: 0 0 20px;
  max-width: 42em;
}

.page-products .pd-hero__tags {
  margin-bottom: 22px;
}

.page-products .pd-hero__actions {
  gap: 12px;
}

.page-products .pd-hero__aside {
  background: linear-gradient(160deg, var(--c-rock) 0%, var(--c-rock-2) 100%);
  border-top: 2px solid var(--c-cyan);
  border-radius: var(--r);
  padding: 18px 20px 8px;
  box-shadow: var(--shadow-2);
}

.page-products .pd-hero__aside-title {
  color: var(--c-cyan-soft);
  margin: 0 0 6px;
}

.page-products .pd-stats {
  margin: 0;
  padding: 0;
}

.page-products .pd-stat {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .13);
}

.page-products .pd-stat:last-child {
  border-bottom: 0;
}

.page-products .pd-stat__label {
  font-size: 13px;
  line-height: 1.5;
  color: rgba(255, 255, 255, .72);
  margin: 0;
}

.page-products .pd-stat__num {
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: .06em;
  color: #fff;
  margin: 0;
  flex: none;
}

/* ---------- 区块通用 ---------- */

.page-products .pd-section {
  margin-top: 54px;
}

.page-products .section-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  column-gap: 14px;
  row-gap: 6px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--c-line);
  margin-bottom: 24px;
}

.page-products .section-head__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 26px;
  padding: 0 8px;
  border-radius: var(--r);
  background: var(--c-rock);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
}

.page-products .section-head__title {
  font-size: clamp(20px, 2.5vw, 26px);
  font-weight: 600;
  letter-spacing: .04em;
  line-height: 1.35;
  color: var(--c-rock);
  margin: 0;
}

.page-products .section-head__note {
  grid-column: 2;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--c-muted);
  margin: 0;
}

.page-products .pd-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
}

.page-products .pd-prose p {
  font-size: 16px;
  line-height: 1.78;
  margin: 0 0 14px;
}

.page-products .pd-prose p:last-child {
  margin-bottom: 0;
}

.page-products .pd-inline-link {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(18, 165, 181, .4);
  transition: color var(--t-fast), border-color var(--t-fast);
}

.page-products .pd-inline-link:hover {
  color: var(--c-orange);
  border-color: var(--c-orange);
}

/* ---------- 图框 ---------- */

.page-products .pd-figure {
  margin: 0;
  border: 1px solid var(--c-line);
  border-radius: var(--r);
  background: var(--c-cream);
  overflow: hidden;
  box-shadow: var(--shadow-1);
}

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

.page-products .pd-figure figcaption {
  padding: 10px 14px;
  border-top: 1px solid var(--c-line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  line-height: 1.6;
  color: var(--c-muted);
}

.page-products .pd-figure--wide {
  margin-bottom: 20px;
}

/* ---------- 编号分组列表 ---------- */

.page-products .pd-numlist {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--c-line);
  border: 1px solid var(--c-line);
  border-radius: var(--r);
  overflow: hidden;
}

.page-products .pd-numlist li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 12px 14px;
  background: var(--c-cream);
  font-size: 14px;
  line-height: 1.5;
  color: var(--c-body);
}

.page-products .pd-numlist__k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--c-cyan);
  flex: none;
}

/* ---------- 内容中心索引 ---------- */

.page-products .pd-index {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--c-line);
  border: 1px solid var(--c-line);
  border-radius: var(--r);
  overflow: hidden;
  align-self: start;
}

.page-products .pd-index__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 14px 16px;
  background: var(--c-cream);
  transition: background var(--t-fast);
}

.page-products .pd-index__row:hover {
  background: #fff;
}

.page-products .pd-index__cat {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--c-rock);
  border-left: 2px solid var(--c-orange);
  padding-left: 8px;
}

.page-products .pd-index__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-body);
}

.page-products .pd-index__hint {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--c-muted);
}

/* ---------- 差异对照表 ---------- */

.page-products .pd-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--c-line);
  border-radius: var(--r);
  background: var(--c-cream);
}

.page-products .pd-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .pd-table thead th {
  background: var(--c-rock);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .06em;
  text-align: left;
  padding: 12px 16px;
}

.page-products .pd-table tbody th {
  font-weight: 600;
  color: var(--c-rock);
  text-align: left;
}

.page-products .pd-table tbody th,
.page-products .pd-table tbody td {
  padding: 13px 16px;
  border-bottom: 1px solid var(--c-line);
  vertical-align: top;
  line-height: 1.65;
}

.page-products .pd-table tbody tr:nth-child(even) {
  background: rgba(213, 219, 226, .26);
}

.page-products .pd-table tbody tr:hover {
  background: rgba(18, 165, 181, .08);
}

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

.page-products .pd-type {
  display: inline-block;
  padding: 3px 8px;
  border-radius: var(--r);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  white-space: nowrap;
}

.page-products .pd-type--path {
  background: rgba(18, 165, 181, .16);
  color: #0A6270;
}

.page-products .pd-type--code {
  background: rgba(255, 122, 47, .18);
  color: #9C4413;
}

.page-products .pd-type--pos {
  background: rgba(193, 112, 79, .18);
  color: #7E4227;
}

.page-products .pd-tablenote {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--c-muted);
}

/* ---------- 四步流程 ---------- */

.page-products .pd-flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--c-line);
  border: 1px solid var(--c-line);
  border-radius: var(--r);
  overflow: hidden;
}

.page-products .pd-step {
  background: var(--c-cream);
  transition: background var(--t-fast);
}

.page-products .pd-step[open] {
  background: var(--c-cream);
}

.page-products .pd-step__sum {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px 18px;
  cursor: pointer;
  list-style: none;
  outline: none;
}

.page-products .pd-step__sum::-webkit-details-marker {
  display: none;
}

.page-products .pd-step__sum:hover {
  background: rgba(18, 165, 181, .07);
}

.page-products .pd-step__sum:focus-visible {
  box-shadow: inset 0 0 0 2px var(--c-cyan), inset 0 0 0 3px var(--c-orange);
}

.page-products .pd-step__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: #fff;
  background: var(--c-rock-2);
  border-radius: var(--r);
  padding: 3px 8px;
}

.page-products .pd-step__title {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--c-rock);
  line-height: 1.5;
}

.page-products .pd-step__time {
  margin-left: auto;
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--c-muted);
}

.page-products .pd-step__sum::after {
  content: "";
  flex: none;
  width: 8px;
  height: 8px;
  margin-left: 4px;
  border-right: 2px solid var(--c-cyan);
  border-bottom: 2px solid var(--c-cyan);
  transform: rotate(45deg);
  transition: transform var(--t-fast);
}

.page-products .pd-step[open] .pd-step__sum::after {
  transform: rotate(-135deg);
}

.page-products .pd-step__body {
  padding: 0 18px 16px 18px;
  border-top: 1px solid var(--c-line);
  margin-top: -1px;
  padding-top: 14px;
}

.page-products .pd-step__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--c-body);
}

/* ---------- 场景卡片 ---------- */

.page-products .pd-cards {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}

.page-products .pd-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--c-cream);
  border: 1px solid var(--c-line);
  border-left: 3px solid var(--c-rock-2);
  border-radius: var(--r);
  padding: 18px 18px 16px;
  box-shadow: var(--shadow-1);
  transition: transform var(--t-base), box-shadow var(--t-base), border-left-color var(--t-base);
}

.page-products .pd-card:hover,
.page-products .pd-card:focus-within {
  transform: translateY(-2px);
  border-left-color: var(--c-cyan);
  box-shadow: var(--shadow-2);
}

.page-products .pd-card__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--c-orange);
  margin-bottom: 6px;
}

.page-products .pd-card__title {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: .03em;
  color: var(--c-rock);
}

.page-products .pd-card__body {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-body);
}

.page-products .pd-card__aside {
  margin: 10px 0 0;
  padding: 8px 10px;
  border-left: 2px solid var(--c-cyan);
  background: rgba(18, 165, 181, .08);
  font-size: 13px;
  line-height: 1.6;
  color: var(--c-rock-2);
}

.page-products .pd-card__link {
  margin-top: 12px;
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--c-rock);
  text-decoration: none;
  border-bottom: 1px solid var(--c-line);
  padding-bottom: 2px;
  transition: color var(--t-fast), border-color var(--t-fast);
}

.page-products .pd-card:hover .pd-card__link,
.page-products .pd-card__link:hover,
.page-products .pd-card__link:focus-visible {
  color: var(--c-cyan);
  border-color: var(--c-cyan);
}

/* ---------- 结尾行动区 ---------- */

.page-products .pd-cta {
  position: relative;
  margin-top: 60px;
  border-radius: var(--r);
  background: linear-gradient(140deg, var(--c-rock) 0%, var(--c-rock-2) 100%);
  padding: 34px 24px;
  overflow: hidden;
}

.page-products .pd-cta::after {
  content: "";
  position: absolute;
  right: -70px;
  top: -70px;
  width: 240px;
  height: 240px;
  border: 1px solid rgba(127, 217, 224, .28);
  border-radius: 50%;
  pointer-events: none;
}

.page-products .pd-cta__inner {
  position: relative;
  z-index: 1;
  max-width: 46em;
}

.page-products .pd-cta__eyebrow {
  color: var(--c-cyan-soft);
  margin: 0 0 10px;
}

.page-products .pd-cta__title {
  margin: 0 0 12px;
  font-size: clamp(20px, 2.8vw, 28px);
  font-weight: 600;
  letter-spacing: .04em;
  line-height: 1.4;
  color: #fff;
}

.page-products .pd-cta__text {
  margin: 0 0 20px;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(255, 255, 255, .78);
}

.page-products .pd-cta__actions {
  gap: 12px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 560px) {
  .page-products .pd-numlist {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 760px) {
  .page-products .pd-index__row {
    grid-template-columns: 110px minmax(0, 1fr) 76px;
    align-items: center;
    gap: 16px;
  }

  .page-products .pd-index__hint {
    text-align: right;
  }

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

  .page-products .section-head__note {
    grid-column: 3;
    text-align: right;
  }
}

@media (min-width: 880px) {
  .page-products .page-shell {
    padding: 0 32px;
  }

  .page-products .pd-hero {
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 48px;
    align-items: start;
    padding: 46px 0 44px;
  }

  .page-products .pd-section {
    margin-top: 72px;
  }

  .page-products .pd-split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 40px;
    align-items: start;
  }

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

  .page-products .pd-cta {
    padding: 44px 40px;
    margin-top: 76px;
  }
}

@media (min-width: 1024px) {
  .page-products .pd-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-products .pd-card__aside {
    max-height: 0;
    margin-top: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height var(--t-base), opacity var(--t-base), margin-top var(--t-base);
  }

  .page-products .pd-card:hover .pd-card__aside,
  .page-products .pd-card:focus-within .pd-card__aside {
    max-height: 6em;
    margin-top: 10px;
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pd-card,
  .page-products .pd-card__aside,
  .page-products .pd-step__sum::after,
  .page-products .pd-index__row,
  .page-products .pd-inline-link {
    transition: none;
  }

  .page-products .pd-card:hover,
  .page-products .pd-card:focus-within {
    transform: none;
  }
}