.page-products {
  --prod-rail-w: 240px;
  --prod-stream-gap: 40px;
  background: var(--xc-paper);
  color: var(--xc-text);
  overflow-x: hidden;
}

.page-products img {
  display: block;
  max-width: 100%;
  height: auto;
}

.page-products .breadcrumbs {
  margin-top: 26px;
  margin-bottom: 4px;
}

/* ---------- 首屏声明 ---------- */

.page-products .prod-intro {
  padding-block: 20px 44px;
}

.page-products .prod-intro__title {
  margin: 14px 0 0;
  max-width: 15em;
}

.page-products .prod-intro__lead {
  margin: 20px 0 0;
  max-width: 34em;
}

/* ---------- 索引 + 主体两栏 ---------- */

.page-products .prod-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  padding-bottom: 0;
}

.page-products .prod-rail {
  margin-bottom: 8px;
}

.page-products .prod-rail__label {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--xc-muted);
}

.page-products .prod-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .prod-rail__link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-areas:
    "no name"
    "no note";
  column-gap: 12px;
  padding: 12px 0;
  border-top: 1px solid var(--xc-line);
  color: inherit;
  text-decoration: none;
  transition: color 0.2s var(--xc-ease);
}

.page-products .prod-rail__item:last-child .prod-rail__link {
  border-bottom: 1px solid var(--xc-line);
}

.page-products .prod-rail__no {
  grid-area: no;
  padding-top: 3px;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--xc-signal);
  font-variant-numeric: tabular-nums;
}

.page-products .prod-rail__name {
  grid-area: name;
  font-size: 15px;
  font-weight: 700;
  color: var(--xc-ink);
  transition: color 0.2s var(--xc-ease);
}

.page-products .prod-rail__note {
  grid-area: note;
  margin-top: 3px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--xc-muted);
}

.page-products .prod-rail__link:hover .prod-rail__name,
.page-products .prod-rail__link:focus-visible .prod-rail__name {
  color: var(--xc-signal-deep);
}

.page-products .prod-stream {
  min-width: 0;
}

/* ---------- 模块骨架 ---------- */

.page-products .prod-mod {
  padding-block: 52px;
  border-top: 1px solid var(--xc-line);
}

.page-products .prod-mod:first-child {
  border-top: 0;
  padding-top: 8px;
}

.page-products .prod-mod__head {
  margin: 0 0 30px;
}

.page-products .prod-mod__no {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: clamp(42px, 8vw, 66px);
  font-weight: 800;
  line-height: 0.9;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  color: var(--xc-line);
}

.page-products .prod-mod__title {
  margin: 0;
  max-width: 18em;
}

.page-products .prod-mod__lead {
  margin: 16px 0 0;
  max-width: 36em;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--xc-text);
}

.page-products .prod-body {
  margin: 0 0 22px;
  max-width: 38em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--xc-text);
}

.page-products .prod-note {
  margin: 24px 0 0;
  padding-left: 16px;
  border-left: 2px solid var(--xc-signal);
  max-width: 38em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--xc-muted);
}

.page-products .prod-figure {
  margin: 34px 0 0;
}

.page-products .prod-figure__cap {
  margin-top: 12px;
  max-width: 38em;
  font-size: 13px;
  line-height: 1.7;
  color: var(--xc-muted);
}

/* ---------- 01 赛程排布 ---------- */

.page-products .prod-sched {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .prod-sched__row {
  display: grid;
  gap: 6px;
  padding: 18px 0 20px;
  border-top: 1px solid var(--xc-line);
}

.page-products .prod-sched__row:last-child {
  border-bottom: 1px solid var(--xc-line);
}

.page-products .prod-sched__name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--xc-ink);
}

.page-products .prod-sched__desc {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--xc-text);
}

/* ---------- 02 补时订阅（深色展区） ---------- */

.page-products .prod-mod--dark {
  background: var(--xc-stand-deep);
  color: var(--xc-paper);
  padding-inline: 22px;
  border-top-color: var(--xc-stand-deep);
}

.page-products .prod-mod--dark .prod-mod__no {
  color: var(--xc-stand-mid);
}

.page-products .prod-mod--dark .prod-mod__title {
  color: var(--xc-paper);
}

.page-products .prod-mod--dark .prod-mod__lead {
  color: rgba(244, 242, 238, 0.82);
}

.page-products .prod-sub {
  margin: 34px 0 0;
  color: var(--xc-paper);
}

.page-products .prod-subs {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
}

.page-products .prod-subs__item {
  padding: 16px 0;
  border-top: 1px solid var(--xc-stand-mid);
}

.page-products .prod-subs__item:last-child {
  border-bottom: 1px solid var(--xc-stand-mid);
}

.page-products .prod-subs__key {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--xc-paper);
}

.page-products .prod-subs__key::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 10px;
  vertical-align: 0.12em;
  background: var(--xc-lime);
}

.page-products .prod-subs__val {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(244, 242, 238, 0.84);
}

.page-products .prod-cadence {
  margin-top: 30px;
  padding: 22px 20px;
  background: var(--xc-stand-mid);
  border-left: 3px solid var(--xc-signal);
}

.page-products .prod-cadence__big {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(28px, 6vw, 42px);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--xc-signal);
}

.page-products .prod-cadence__txt {
  margin: 10px 0 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(244, 242, 238, 0.84);
}

.page-products .prod-note--dark {
  border-left-color: var(--xc-lime);
  color: rgba(244, 242, 238, 0.78);
}

/* ---------- 03 资料档案 ---------- */

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

.page-products .prod-archive__era {
  background: var(--xc-panel);
  padding: 16px 14px 18px;
}

.page-products .prod-archive__era-name {
  margin: 0;
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--xc-muted);
}

.page-products .prod-archive__era-count {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-size: 38px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--xc-ink);
}

.page-products .prod-archive__era-unit {
  margin: 5px 0 0;
  font-size: 12px;
  color: var(--xc-muted);
}

.page-products .prod-stub {
  position: relative;
  margin: 30px 0 0;
  padding: 22px 26px;
  background: var(--xc-panel);
  border: 1px dashed var(--xc-line);
}

.page-products .prod-stub::before,
.page-products .prod-stub::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 16px;
  height: 16px;
  margin-top: -8px;
  border-radius: 50%;
  background: var(--xc-paper);
}

.page-products .prod-stub::before {
  left: -9px;
}

.page-products .prod-stub::after {
  right: -9px;
}

.page-products .prod-stub__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--xc-ink);
}

.page-products .prod-stub__meta {
  margin: 8px 0 0;
  max-width: 38em;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--xc-muted);
}

/* ---------- 04 跑动区间 ---------- */

.page-products .prod-mod--zone {
  background:
    repeating-linear-gradient(
      to right,
      var(--xc-line) 0,
      var(--xc-line) 1px,
      transparent 1px,
      transparent 48px
    );
  background-position: 0 0;
}

.page-products .prod-zones {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 11px;
}

.page-products .prod-zones__row {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr) 66px;
  align-items: center;
  gap: 12px;
}

.page-products .prod-zones__min {
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--xc-muted);
  font-variant-numeric: tabular-nums;
}

.page-products .prod-zones__track {
  display: block;
  height: 14px;
  background: rgba(143, 188, 203, 0.3);
}

.page-products .prod-zones__fill {
  display: block;
  height: 100%;
  background: var(--xc-lake);
}

.page-products .prod-zones__row--late .prod-zones__fill {
  background: var(--xc-dusk);
}

.page-products .prod-zones__km {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  text-align: right;
  letter-spacing: -0.01em;
  color: var(--xc-ink);
}

.page-products .prod-zones__km small {
  margin-left: 2px;
  font-size: 11px;
  font-weight: 500;
  color: var(--xc-muted);
}

.page-products .prod-zones__legend {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--xc-muted);
}

.page-products .prod-readout {
  margin: 28px 0 0;
  padding: 20px 22px;
  background: var(--xc-panel);
  border-left: 3px solid var(--xc-lake);
}

.page-products .prod-readout__label {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--xc-lake);
}

.page-products .prod-readout__txt {
  margin: 0;
  max-width: 38em;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--xc-text);
}

.page-products .prod-figure--zone {
  max-width: 400px;
}

/* ---------- 05 客户端 ---------- */

.page-products .prod-client {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .prod-client__row {
  display: grid;
  gap: 5px;
  padding: 16px 0 18px;
  border-top: 1px solid var(--xc-line);
}

.page-products .prod-client__row:last-child {
  border-bottom: 1px solid var(--xc-line);
}

.page-products .prod-client__key {
  margin: 0;
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--xc-lake);
}

.page-products .prod-client__val {
  margin: 0;
  max-width: 36em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--xc-text);
}

/* ---------- 06 行动点 ---------- */

.page-products .prod-mod--cta {
  background: var(--xc-stand-deep);
  color: var(--xc-paper);
  padding-inline: 22px;
  padding-block: 48px;
  border-top-color: var(--xc-stand-deep);
}

.page-products .prod-mod--cta .prod-mod__no {
  color: var(--xc-stand-mid);
}

.page-products .prod-mod--cta .prod-mod__title {
  color: var(--xc-paper);
  max-width: 14em;
}

.page-products .prod-mod--cta .prod-mod__lead {
  color: rgba(244, 242, 238, 0.82);
}

.page-products .prod-cta__actions {
  margin: 28px 0 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 24px;
}

.page-products .prod-mod--cta .link-line {
  color: var(--xc-paper);
}

/* ---------- 窄屏微调 ---------- */

@media (max-width: 480px) {
  .page-products .prod-rail__link {
    padding: 10px 0;
  }

  .page-products .prod-zones__row {
    grid-template-columns: 72px minmax(0, 1fr) 56px;
    gap: 8px;
  }

  .page-products .prod-zones__km {
    font-size: 16px;
  }

  .page-products .prod-mod--dark,
  .page-products .prod-mod--cta {
    padding-inline: 16px;
  }

  .page-products .prod-stub {
    padding: 20px 18px;
  }
}

/* ---------- 桌面两栏 ---------- */

@media (min-width: 700px) {
  .page-products .prod-sched__row,
  .page-products .prod-client__row {
    grid-template-columns: 168px minmax(0, 1fr);
    gap: 28px;
    align-items: baseline;
  }
}

@media (min-width: 780px) {
  .page-products .prod-archive {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-products .prod-layout {
    grid-template-columns: var(--prod-rail-w) minmax(0, 1fr);
    column-gap: 0;
    align-items: start;
  }

  .page-products .prod-rail {
    align-self: stretch;
    margin-bottom: 0;
    padding-right: 28px;
    border-right: 1px solid var(--xc-line);
  }

  .page-products .prod-rail__inner {
    position: sticky;
    top: 108px;
  }

  .page-products .prod-stream {
    padding-left: var(--prod-stream-gap);
  }

  .page-products .prod-mod {
    padding-block: 72px;
  }

  .page-products .prod-mod:first-child {
    padding-top: 4px;
  }

  .page-products .prod-mod--dark,
  .page-products .prod-mod--cta {
    padding-inline: 34px;
    padding-block: 60px;
  }

  .page-products .prod-cadence {
    padding: 26px 26px;
  }
}

@media (min-width: 1180px) {
  .page-products {
    --prod-rail-w: 262px;
    --prod-stream-gap: 56px;
  }

  .page-products .prod-rail {
    padding-right: 34px;
  }
}

/* ---------- 无障碍与动效偏好 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-products .prod-rail__link,
  .page-products .prod-rail__name {
    transition: none;
  }
}