.page-products {
  padding-bottom: 60px;
}

/* ---------- 首屏 ---------- */
.page-products .pm-hero {
  position: relative;
  overflow: hidden;
  margin: 18px 0 26px;
  padding: 28px 20px 24px;
  border: var(--line);
  background: var(--ink-panel);
  box-shadow: var(--shadow-hard);
}
.page-products .pm-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(44, 74, 102, 0.38) 1px, transparent 1px),
    linear-gradient(90deg, rgba(44, 74, 102, 0.38) 1px, transparent 1px);
  background-size: 46px 46px;
  pointer-events: none;
}
.page-products .pm-hero > * {
  position: relative;
}
.page-products .pm-hero__kicker {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--cyan);
}
.page-products .pm-hero__title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: clamp(32px, 6.4vw, 58px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--white);
}
.page-products .pm-hero__lede {
  max-width: 62ch;
  margin: 0 0 22px;
  font-size: 17px;
  line-height: 1.78;
  color: var(--white);
}
.page-products .pm-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  padding-top: 16px;
  border-top: var(--line);
}
.page-products .pm-stat__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 700;
  color: var(--cyan);
}
.page-products .pm-stat:nth-child(2) .pm-stat__num {
  color: var(--orange);
}
.page-products .pm-stat:nth-child(3) .pm-stat__num {
  color: var(--pulse);
}
.page-products .pm-stat__label {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--mist);
}

/* ---------- 章节速览 ---------- */
.page-products .pm-preview {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-bottom: 30px;
}
.page-products .pm-preview__item {
  display: block;
  padding: 14px 16px;
  border: var(--line);
  background: var(--ink-panel);
  box-shadow: var(--shadow-soft);
  color: var(--white);
  text-decoration: none;
  transition: border-color 0.18s ease, background-color 0.18s ease, box-shadow 0.18s ease;
}
.page-products .pm-preview__item:hover,
.page-products .pm-preview__item:focus-visible {
  border-color: var(--cyan);
  background: var(--ink-raised);
  box-shadow: 4px 4px 0 rgba(40, 224, 210, 0.35);
}
.page-products .pm-preview__no {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--cyan-deep);
}
.page-products .pm-preview__title {
  display: block;
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: -0.01em;
}
.page-products .pm-preview__desc {
  display: block;
  margin-top: 6px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--mist);
}

/* ---------- 索引轨道与章节 ---------- */
.page-products .pm-track {
  align-items: start;
}
.page-products .index-rail {
  position: sticky;
  top: 96px;
}
.page-products .index-rail__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--mist);
}
.page-products .pm-mod {
  margin-bottom: 48px;
}
.page-products .pm-mod--wide {
  padding: 22px 18px 4px;
  border: var(--line);
  background: var(--ink-panel);
  box-shadow: var(--shadow-hard);
}
.page-products .section-head__title {
  font-family: var(--font-display);
  font-size: clamp(24px, 4.2vw, 38px);
  letter-spacing: -0.02em;
}
.page-products .pm-sub {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: -0.01em;
  color: var(--cyan);
}

/* ---------- 视角切换演示 ---------- */
.page-products .pm-switch-demo {
  margin: 0 0 24px;
  padding: 18px;
  border: var(--line);
  background: var(--ink-panel);
  box-shadow: var(--shadow-soft);
}
.page-products .pm-switch-demo__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--mist);
}
.page-products .pm-bars {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  margin-top: 16px;
}
.page-products .pm-bars__home {
  display: block;
  height: 14px;
  width: 76%;
  background: var(--cyan);
}
.page-products .pm-bars__away {
  display: block;
  height: 14px;
  width: 52%;
  background: var(--orange);
  justify-self: end;
}
.page-products .pm-switch-demo__hint {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 双栏说明 ---------- */
.page-products .pm-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin: 0 0 24px;
}
.page-products .pm-split__cell {
  padding: 16px;
  border-left: 4px solid var(--cyan);
  background: var(--ink-panel);
}
.page-products .pm-split__cell:last-child {
  border-left-color: var(--orange);
}

/* ---------- 字段列表 ---------- */
.page-products .pm-fields {
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
  border-top: var(--line);
}
.page-products .pm-field {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 4px 12px;
  padding: 14px 10px;
  border-bottom: var(--line);
  transition: background-color 0.18s ease, border-color 0.18s ease;
}
.page-products .pm-field:hover,
.page-products .pm-field:focus-within {
  background: var(--ink-raised);
  border-bottom-color: var(--cyan);
}
.page-products .pm-field__no {
  padding-top: 5px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--cyan-deep);
}
.page-products .pm-field__name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 21px;
  letter-spacing: -0.01em;
  color: var(--white);
}
.page-products .pm-field__pos {
  display: inline-block;
  margin-left: 10px;
  padding: 1px 7px;
  border: 1px solid var(--steel);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  color: var(--mist);
  vertical-align: middle;
}
.page-products .pm-field__desc {
  grid-column: 2;
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--mist);
}

.page-products .pm-sample {
  border: var(--line);
  background: var(--ink-deep);
}
.page-products .pm-sample__row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--steel);
}
.page-products .pm-sample__row:last-child {
  border-bottom: 0;
}
.page-products .pm-sample__key {
  flex: 0 0 92px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--mist);
}
.page-products .pm-sample__val {
  font-size: 15px;
  color: var(--white);
}

/* ---------- 平板板块 ---------- */
.page-products .pm-tablet {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-bottom: 24px;
}
.page-products .pm-tablet__wire {
  border: var(--line);
  background: var(--ink-deep);
  box-shadow: var(--shadow-soft);
}
.page-products .pm-wire {
  display: block;
  width: 100%;
  height: auto;
}
.page-products .pm-wire__frame {
  fill: none;
  stroke: var(--steel);
  stroke-width: 2;
}
.page-products .pm-wire__card {
  fill: var(--ink-raised);
  stroke: var(--cyan-deep);
  stroke-width: 2;
}
.page-products .pm-wire__card--peek {
  fill: rgba(18, 58, 92, 0.5);
  stroke-dasharray: 6 6;
}
.page-products .pm-wire__edge {
  fill: var(--pulse);
  opacity: 0.85;
}
.page-products .pm-wire__tick {
  stroke: var(--steel);
  stroke-width: 2;
}
.page-products .pm-wire__arrow {
  fill: none;
  stroke: var(--orange);
  stroke-width: 2;
}
.page-products .pm-wire__label {
  fill: var(--mist);
  font-family: var(--font-mono);
  font-size: 12px;
}
.page-products .pm-tablet__notes {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}
.page-products .pm-tablet__note {
  padding: 12px 14px;
  border-left: 4px solid var(--cyan);
  background: var(--ink-deep);
  font-size: 15px;
  line-height: 1.7;
  color: var(--white);
}
.page-products .pm-tablet__note:nth-child(even) {
  border-left-color: var(--orange);
}

/* ---------- 补时 ---------- */
.page-products .pm-stoppage-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0 0 24px;
}
.page-products .pm-stoppage-chip {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  border: var(--line);
  background: var(--ink-panel);
  box-shadow: var(--shadow-soft);
}
.page-products .pm-stoppage-chip__meta {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--mist);
}

/* ---------- 流程与导出 ---------- */
.page-products .pm-flow {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 0 0 24px;
}
.page-products .pm-flow__node {
  position: relative;
  padding: 16px;
  border: var(--line);
  background: var(--ink-deep);
}
.page-products .pm-flow__node::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 10px;
  height: 10px;
  background: var(--cyan);
}
.page-products .pm-flow__step {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--orange);
}
.page-products .pm-flow__title {
  margin: 8px 0 6px;
  font-family: var(--font-display);
  font-size: 20px;
  color: var(--white);
}
.page-products .pm-flow__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}
.page-products .pm-formats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: 24px;
}
.page-products .pm-format {
  padding: 18px;
  border: var(--line);
  border-left-width: 6px;
  background: var(--ink-panel);
}
.page-products .pm-format--csv {
  border-left-color: var(--cyan);
}
.page-products .pm-format--png {
  border-left-color: var(--orange);
}
.page-products .pm-format .pm-sub {
  color: var(--white);
}
.page-products .pm-format .btn {
  margin-top: 6px;
}

/* ---------- 可访问性 ---------- */
.page-products .pm-swatch {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 0 0 22px;
}
.page-products .pm-swatch__item {
  padding: 14px;
  border: var(--line);
  background: var(--ink-panel);
}
.page-products .pm-swatch__chip {
  display: block;
  height: 12px;
  margin-bottom: 10px;
}
.page-products .pm-swatch__chip--cyan {
  background: var(--cyan);
}
.page-products .pm-swatch__chip--orange {
  background: var(--orange);
}
.page-products .pm-swatch__chip--pulse {
  background: var(--pulse);
}
.page-products .pm-swatch__chip--white {
  background: var(--white);
}
.page-products .pm-swatch__name {
  margin: 0 0 4px;
  font-family: var(--font-display);
  font-size: 18px;
  color: var(--white);
}
.page-products .pm-swatch__desc {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
}
.page-products .pm-access-list {
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}
.page-products .pm-access-list__item {
  padding: 12px 14px;
  border: 1px solid var(--steel);
  background: var(--ink-deep);
  font-size: 15px;
  line-height: 1.72;
  color: var(--white);
}

/* ---------- 收束 ---------- */
.page-products .pm-cta {
  padding: 24px 20px;
  border: var(--line);
  background: var(--ink-panel);
  box-shadow: var(--shadow-hard);
}
.page-products .pm-cta__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(24px, 4.4vw, 36px);
  letter-spacing: -0.02em;
  color: var(--white);
}
.page-products .pm-cta__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 16px;
}
.page-products .pm-cta__note {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}
.page-products .pm-cta__note a {
  color: var(--cyan);
  text-decoration: underline;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .pm-preview {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .pm-hero {
    padding: 34px 28px 28px;
  }
  .page-products .pm-split {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .pm-flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .pm-formats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 980px) {
  .page-products .pm-preview {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-products .pm-tablet {
    grid-template-columns: 1.35fr 1fr;
    align-items: start;
  }
  .page-products .pm-flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-products .pm-swatch {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-products .pm-swatch__item:first-child {
    grid-column: span 2;
  }
}

@media (max-width: 979px) {
  .page-products .index-rail {
    position: static;
    margin-bottom: 24px;
  }
  .page-products .index-rail__list {
    display: flex;
    gap: 10px;
    overflow-x: auto;
    padding-bottom: 8px;
  }
  .page-products .index-rail__item {
    flex: 0 0 auto;
  }
  .page-products .pm-mod--wide {
    padding: 18px 14px 2px;
  }
}

@media (max-width: 560px) {
  .page-products .pm-hero__stats {
    grid-template-columns: 1fr;
  }
  .page-products .pm-hero__title {
    font-size: 30px;
  }
  .page-products .pm-field {
    grid-template-columns: 30px minmax(0, 1fr);
  }
  .page-products .pm-field__pos {
    margin-left: 6px;
  }
  .page-products .pm-swatch {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pm-preview__item,
  .page-products .pm-field {
    transition: none;
  }
}