.page-products {
  --pd-rule: 2px solid var(--graphite);
  --pd-block-y: clamp(2.25rem, 5vw, 3.75rem);
  background: var(--frost);
  color: var(--ink);
  overflow-x: clip;
}

.page-products .pd-breadcrumb-wrap {
  padding-top: clamp(1rem, 3vw, 1.75rem);
}

.page-products .crumbs {
  font-size: 0.82rem;
  color: var(--moss);
}

/* ---------- 首屏 ---------- */
.page-products .pd-hero {
  padding-block: clamp(1.5rem, 4vw, 2.75rem) clamp(2rem, 4.5vw, 3.25rem);
  background:
    repeating-linear-gradient(to bottom, rgba(14, 42, 36, 0.055) 0 1px, transparent 1px 2.75rem),
    var(--frost);
  border-bottom: var(--pd-rule);
}

.page-products .pd-hero__grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 2.75rem);
}

.page-products .pd-hero__kicker {
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--deep-blue);
  margin: 0;
}

.page-products .pd-hero__title {
  margin: 0.7rem 0 0;
  font-size: clamp(2.05rem, 7.5vw, 4.4rem);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -0.01em;
  color: var(--graphite);
  word-break: break-word;
}

.page-products .pd-hero__lede {
  max-width: 40rem;
  margin: 1.15rem 0 0;
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--ink);
}

.page-products .pd-hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 1.5rem;
  margin-top: 1.6rem;
}

.page-products .pd-hero__stamp {
  border: var(--pd-rule);
  background: var(--paper);
  box-shadow: 5px 5px 0 var(--teal);
  padding: 1.05rem 1.15rem 1.15rem;
}

.page-products .pd-hero__range {
  margin: 0;
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  color: var(--deep-blue);
}

.page-products .pd-hero__facts {
  margin: 0.85rem 0 0;
  display: grid;
  gap: 0.5rem;
}

.page-products .pd-hero__facts > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--hair);
}

.page-products .pd-hero__facts dt {
  font-size: 0.8rem;
  color: var(--moss);
}

.page-products .pd-hero__facts dd {
  margin: 0;
  font-size: 1.2rem;
  font-weight: 900;
  color: var(--graphite);
}

/* ---------- 章节通用 ---------- */
.page-products .pd-block {
  padding-block: var(--pd-block-y);
}

.page-products .pd-block--alt {
  background: linear-gradient(180deg, var(--ice-soft) 0%, var(--frost) 100%);
  border-top: 1px solid var(--hair);
  border-bottom: 1px solid var(--hair);
}

.page-products .doc-head {
  margin-bottom: 1.5rem;
}

/* ---------- 版本线标签轨道 ---------- */
.page-products .pd-lines__rail {
  display: flex;
  gap: 0.75rem;
  margin: 0;
  padding: 0 0 0.85rem;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.page-products .pd-lines__rail > li {
  flex: 0 0 14.5rem;
  scroll-snap-align: start;
}

.page-products .pd-line {
  display: block;
  height: 100%;
  padding: 0.9rem 0.95rem 1rem;
  border: var(--pd-rule);
  background: var(--paper);
  color: var(--graphite);
  text-decoration: none;
  transition:
    background var(--dur) var(--ease),
    color var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease),
    transform var(--dur) var(--ease);
}

.page-products .pd-line:hover,
.page-products .pd-line:focus-visible {
  background: var(--teal);
  box-shadow: 4px 4px 0 var(--graphite);
  transform: translate(-1px, -1px);
}

.page-products .pd-line__name {
  display: block;
  font-size: 1.05rem;
  font-weight: 900;
  letter-spacing: 0.01em;
}

.page-products .pd-line__desc {
  display: block;
  margin-top: 0.4rem;
  font-size: 0.8rem;
  line-height: 1.65;
  color: var(--moss);
  transition: color var(--dur) var(--ease);
}

.page-products .pd-line:hover .pd-line__desc,
.page-products .pd-line:focus-visible .pd-line__desc {
  color: var(--ink);
}

.page-products .pd-lines__fig {
  margin: 1.4rem 0 0;
}

/* ---------- 对照矩阵 ---------- */
.page-products .pd-compare__fig {
  margin: 0 0 1.75rem;
}

.page-products .pd-compare__layout {
  display: grid;
  gap: 1.5rem;
}

.page-products .pd-table-scroll {
  overflow-x: auto;
  border: var(--pd-rule);
  background: var(--paper);
  box-shadow: var(--shadow-soft);
}

.page-products .pd-matrix {
  width: 100%;
  min-width: 46rem;
  border-collapse: collapse;
  font-size: 0.875rem;
  line-height: 1.65;
}

.page-products .pd-matrix caption {
  padding: 0.8rem 1rem;
  text-align: left;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--moss);
  background: var(--frost);
  border-bottom: 1px solid var(--hair);
}

.page-products .pd-matrix th,
.page-products .pd-matrix td {
  padding: 0.75rem 0.9rem;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--hair);
}

.page-products .pd-matrix thead th {
  background: var(--ink);
  color: var(--frost);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  position: sticky;
  top: 0;
  z-index: 1;
}

.page-products .pd-matrix tbody tr:nth-child(even) {
  background: var(--ice-soft);
}

.page-products .pd-matrix tbody tr:hover {
  background: var(--ice);
}

.page-products .pd-matrix tbody tr:target {
  background: var(--teal);
  box-shadow: inset 4px 0 0 var(--amber);
}

.page-products .pd-matrix tbody th {
  font-size: 0.95rem;
  font-weight: 900;
  color: var(--ink);
  white-space: nowrap;
}

.page-products .pd-compare__aside {
  display: grid;
  gap: 1rem;
}

.page-products .pd-side {
  border: var(--pd-rule);
  background: var(--paper);
  padding: 1.05rem 1.15rem 1.2rem;
  box-shadow: var(--shadow-soft);
}

.page-products .pd-side__label {
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--deep-blue);
}

.page-products .pd-side__list {
  margin: 0.85rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.75rem;
}

.page-products .pd-side__list li {
  position: relative;
  padding-left: 0.95rem;
  display: grid;
  gap: 0.15rem;
}

.page-products .pd-side__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 0.42rem;
  height: 0.42rem;
  background: var(--teal);
}

.page-products .pd-side__q {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--ink);
}

.page-products .pd-side__a {
  font-size: 0.8rem;
  line-height: 1.65;
  color: var(--moss);
}

/* ---------- 字段说明 ---------- */
.page-products .pd-fields {
  display: grid;
  gap: 1.75rem;
}

.page-products .pd-fields__lede {
  margin: 0 0 1.25rem;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--ink);
  max-width: 44rem;
}

.page-products .pd-fold {
  border-top: 1px solid var(--hair);
}

.page-products .pd-fold:last-child {
  border-bottom: 1px solid var(--hair);
}

.page-products .pd-fold__trigger {
  display: flex;
  align-items: baseline;
  gap: 0.85rem;
  width: 100%;
  padding: 0.95rem 0;
  background: none;
  border: 0;
  text-align: left;
  font-family: inherit;
  font-size: 1rem;
  color: var(--ink);
  cursor: pointer;
  transition: color var(--dur) var(--ease);
}

.page-products .pd-fold__trigger:hover,
.page-products .pd-fold__trigger:focus-visible {
  color: var(--deep-blue);
}

.page-products .pd-fold__idx {
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  color: var(--deep-blue);
  flex: 0 0 auto;
}

.page-products .pd-fold__name {
  font-weight: 900;
  font-size: 1rem;
  line-height: 1.5;
}

.page-products .pd-fold__panel {
  padding: 0 0 1.05rem;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--moss);
}

.page-products .pd-fields__fig {
  margin: 0;
}

/* ---------- 月份刻度与改动记录 ---------- */
.page-products .pd-scale {
  overflow-x: auto;
  margin-bottom: 1.6rem;
  border-bottom: var(--pd-rule);
}

.page-products .pd-scale__list {
  display: flex;
  margin: 0;
  padding: 0;
  list-style: none;
  min-width: max-content;
}

.page-products .pd-scale__item {
  position: relative;
  padding: 0 clamp(1.15rem, 3.5vw, 2.5rem) 0.8rem 0;
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  color: var(--moss);
}

.page-products .pd-scale__item::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 1.15rem;
  height: 2px;
  background: var(--amber);
}

.page-products .pd-log {
  display: grid;
  gap: 1.5rem;
}

.page-products .pd-log__fig {
  margin: 0;
}

.page-products .pd-log__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.9rem;
}

.page-products .pd-log__item {
  display: grid;
  gap: 0.45rem;
  padding: 1rem 1.1rem;
  background: var(--paper);
  border-left: 4px solid var(--teal);
  box-shadow: 4px 4px 0 var(--hair);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-products .pd-log__item:hover {
  border-left-color: var(--amber);
  box-shadow: 4px 4px 0 var(--ice);
}

.page-products .pd-log__month {
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--deep-blue);
}

.page-products .pd-log__title {
  margin: 0;
  font-size: 0.98rem;
  font-weight: 900;
  color: var(--graphite);
  line-height: 1.5;
}

.page-products .pd-log__desc {
  margin: 0.3rem 0 0;
  font-size: 0.86rem;
  line-height: 1.75;
  color: var(--moss);
}

.page-products .pd-log__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0.55rem 0 0;
}

/* ---------- 手机栏目 ---------- */
.page-products .pd-mobile {
  display: grid;
  gap: 1.5rem;
  padding: clamp(1.25rem, 3.5vw, 2.25rem);
  border: var(--pd-rule);
  background: var(--paper);
  box-shadow: var(--shadow-hard);
}

.page-products .pd-mobile__label {
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--deep-blue);
}

.page-products .pd-mobile__title {
  margin: 0.6rem 0 0;
  font-size: clamp(1.4rem, 3vw, 1.85rem);
  font-weight: 900;
  line-height: 1.3;
  color: var(--graphite);
}

.page-products .pd-mobile__text {
  margin: 0.85rem 0 1.4rem;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--ink);
  max-width: 34rem;
}

.page-products .pd-mobile__fig {
  margin: 0;
}

/* ---------- 当季面板深色块 ---------- */
.page-products .pd-panel {
  padding-block: var(--pd-block-y);
  background:
    repeating-linear-gradient(to right, rgba(191, 230, 242, 0.08) 0 1px, transparent 1px 3.5rem),
    var(--ink);
  color: var(--frost);
}

.page-products .pd-panel__inner {
  display: grid;
  gap: 1.5rem;
}

.page-products .pd-panel__label {
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--teal);
}

.page-products .pd-panel__title {
  margin: 0.65rem 0 0;
  font-size: clamp(1.45rem, 3.4vw, 2.1rem);
  font-weight: 900;
  line-height: 1.3;
  color: var(--frost);
}

.page-products .pd-panel__text {
  margin: 0.85rem 0 0;
  max-width: 42rem;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--ice);
}

.page-products .pd-panel__cta {
  justify-self: start;
  align-self: center;
}

/* ---------- 查阅方法 ---------- */
.page-products .pd-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1rem;
}

.page-products .pd-step {
  position: relative;
  padding: 1.15rem 1.2rem 1.35rem;
  border: var(--pd-rule);
  background: var(--paper);
  transition: background var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-products .pd-step:hover {
  background: var(--ice-soft);
  box-shadow: 4px 4px 0 var(--graphite);
}

.page-products .pd-step__num {
  display: inline-block;
  padding: 0.12rem 0.45rem;
  background: var(--amber);
  color: var(--graphite);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.page-products .pd-step__title {
  margin: 0.7rem 0 0;
  font-size: 1.05rem;
  font-weight: 900;
  color: var(--graphite);
}

.page-products .pd-step__text {
  margin: 0.5rem 0 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--moss);
}

/* ---------- 常见问题 ---------- */
.page-products .pd-qa {
  display: grid;
  gap: 0.7rem;
}

.page-products .pd-fold--boxed {
  border: var(--pd-rule);
  border-bottom: var(--pd-rule);
  background: var(--paper);
  padding: 0 1rem;
  box-shadow: 3px 3px 0 var(--hair);
}

.page-products .pd-fold--boxed:last-child {
  border-bottom: var(--pd-rule);
}

.page-products .pd-fold--boxed .pd-fold__trigger {
  padding: 0.9rem 0;
}

.page-products .pd-fold--boxed .pd-fold__name {
  font-size: 0.95rem;
}

.page-products .pd-fold--boxed .pd-fold__panel {
  padding-bottom: 0.95rem;
  font-size: 0.86rem;
}

/* ---------- 结尾 ---------- */
.page-products .pd-cta {
  padding-block: var(--pd-block-y);
  background: var(--graphite);
  color: var(--frost);
}

.page-products .pd-cta__inner {
  display: grid;
  gap: 1.25rem;
}

.page-products .pd-cta__title {
  margin: 0;
  font-size: clamp(1.35rem, 3.2vw, 1.95rem);
  font-weight: 900;
  color: var(--frost);
}

.page-products .pd-cta__text {
  margin: 0.6rem 0 0;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--ice);
  max-width: 36rem;
}

.page-products .pd-cta__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.9rem 1.4rem;
}

.page-products .pd-cta .link {
  color: var(--ice);
}

/* ---------- 响应式 ---------- */
@media (min-width: 48rem) {
  .page-products .pd-log__item {
    grid-template-columns: 6.5rem minmax(0, 1fr);
    align-items: start;
    gap: 0 1.25rem;
  }

  .page-products .pd-log__month {
    padding-top: 0.15rem;
  }

  .page-products .pd-cta__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (min-width: 56rem) {
  .page-products .pd-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .pd-panel__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 2rem;
  }

  .page-products .pd-mobile {
    grid-template-columns: minmax(0, 1fr) 21rem;
    align-items: center;
    gap: 2rem;
  }
}

@media (min-width: 60rem) {
  .page-products .pd-hero__grid {
    grid-template-columns: minmax(0, 1fr) 19rem;
    align-items: end;
  }

  .page-products .pd-log {
    grid-template-columns: 19rem minmax(0, 1fr);
    align-items: start;
    gap: 1.75rem;
  }

  .page-products .pd-fields {
    grid-template-columns: minmax(0, 1fr) 19rem;
    align-items: start;
    gap: 2rem;
  }
}

@media (min-width: 64rem) {
  .page-products .pd-lines__rail {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    overflow: visible;
    padding-bottom: 0;
  }

  .page-products .pd-lines__rail > li {
    flex: none;
  }

  .page-products .pd-lines__fig {
    margin-left: auto;
    max-width: 36rem;
  }
}

@media (min-width: 68rem) {
  .page-products .pd-compare__layout {
    grid-template-columns: minmax(0, 1fr) 17.5rem;
    align-items: start;
    gap: 1.75rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pd-line,
  .page-products .pd-log__item,
  .page-products .pd-step,
  .page-products .pd-fold__trigger,
  .page-products .pd-line__desc {
    transition: none;
  }

  .page-products .pd-line:hover,
  .page-products .pd-line:focus-visible {
    transform: none;
  }
}