.page-products {
  --pp-pad: clamp(52px, 7vw, 96px);
  --pp-gap: clamp(18px, 2.4vw, 32px);
  --pp-line-ink: rgba(216, 226, 234, .18);
  --pp-line-soft: rgba(216, 226, 234, .1);
  --pp-on-ink-strong: #FFFFFF;
  --pp-on-ink-quiet: rgba(242, 245, 248, .68);
  --pp-rail: rgba(23, 224, 200, .35);
  background: var(--c-paper);
}

/* ---------- 首屏 ---------- */
.page-products .cat-hero {
  position: relative;
  overflow: hidden;
  padding: var(--pp-pad) 0 clamp(40px, 6vw, 72px);
  background: var(--c-deep);
  color: var(--pp-on-ink-strong);
}

.page-products .cat-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 68px 68px;
  pointer-events: none;
}

.page-products .cat-hero::after {
  content: "";
  position: absolute;
  left: -12%;
  top: 34%;
  width: 124%;
  height: 2px;
  transform: rotate(-6deg);
  background: linear-gradient(90deg, transparent, var(--c-cyan), transparent);
  opacity: .45;
  pointer-events: none;
}

.page-products .cat-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
}

.page-products .cat-hero__rail {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  letter-spacing: .1em;
  color: var(--c-steel);
}

.page-products .rail-item {
  position: relative;
  padding-left: 14px;
}

.page-products .rail-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 6px;
  height: 1px;
  background: currentColor;
  transform: translateY(-50%);
}

.page-products .rail-item.is-now {
  color: var(--c-cyan);
}

.page-products .rail-item.is-now::before {
  width: 10px;
  height: 10px;
  border-radius: 0;
  background: var(--c-cyan);
  box-shadow: 0 0 12px rgba(23, 224, 200, .8);
  transform: translateY(-50%) rotate(45deg);
}

.page-products .cat-hero__title {
  margin: 14px 0 18px;
  font-size: clamp(32px, 6vw, 74px);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -.02em;
}

.page-products .cat-hero__lead {
  max-width: 40em;
  font-size: var(--fs-16);
  line-height: 1.78;
  color: var(--pp-on-ink-quiet);
}

.page-products .cat-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-products .cat-hero__panels {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin-top: clamp(30px, 4vw, 48px);
  background: rgba(23, 224, 200, .2);
  border: 1px solid rgba(23, 224, 200, .2);
}

.page-products .cat-hero__panel {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 20px 22px;
  background: var(--c-navy);
}

.page-products .cat-hero__panel-value {
  font-size: var(--fs-28);
  font-weight: 700;
  color: var(--c-cyan);
  letter-spacing: -.01em;
}

.page-products .cat-hero__panel-label {
  font-size: var(--fs-14);
  color: var(--pp-on-ink-quiet);
}

/* ---------- 通用区块头部 ---------- */
.page-products .pp-head {
  max-width: 62em;
  margin-bottom: clamp(28px, 4vw, 48px);
}

.page-products .pp-head__lead {
  margin-top: 14px;
  font-size: var(--fs-16);
  line-height: 1.78;
  color: #4a6070;
  max-width: 40em;
}

.page-products .pp-head--on-ink .pp-head__lead {
  color: var(--pp-on-ink-quiet);
}

/* ---------- 轮次目录总览 ---------- */
.page-products .pp-catalog {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 52px);
  align-items: start;
}

.page-products .pp-catalog__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--c-line);
}

.page-products .pp-catalog__list .index-map__item {
  display: grid;
  grid-template-columns: 44px 1fr auto;
  align-items: baseline;
  gap: 14px;
  padding: 15px 2px;
  border-bottom: 1px solid var(--c-line);
  transition: background var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-products .pp-catalog__list .index-map__item:hover {
  background: rgba(23, 224, 200, .07);
  padding-left: 10px;
}

.page-products .pp-catalog__list .index-map__num {
  color: var(--c-cyan-dark);
  font-size: var(--fs-14);
  letter-spacing: .08em;
}

.page-products .pp-catalog__list .index-map__label {
  font-size: var(--fs-20);
  font-weight: 700;
  color: var(--c-deep);
}

.page-products .pp-catalog__list .index-map__count {
  font-size: var(--fs-14);
  color: var(--c-steel);
}

.page-products .pp-catalog__figure .media-frame {
  background: var(--c-white);
  border: 1px solid var(--c-line);
}

.page-products .pp-disclosure {
  margin-top: clamp(26px, 3.5vw, 40px);
  border-left: 3px solid var(--c-cyan);
  background: var(--c-white);
}

/* ---------- 近期战绩 ---------- */
.page-products .pp-form__split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 3.6vw, 46px);
  align-items: start;
}

.page-products .pp-charts {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--pp-line-ink);
}

.page-products .pp-charts__item {
  padding: 22px 4px 24px;
  border-bottom: 1px solid var(--pp-line-ink);
  transition: border-color var(--dur) var(--ease);
}

.page-products .pp-charts__item:hover {
  border-bottom-color: var(--c-cyan);
}

.page-products .pp-charts__num {
  font-size: var(--fs-12);
  letter-spacing: .12em;
  color: var(--c-cyan);
}

.page-products .pp-charts__name {
  margin: 8px 0 8px;
  font-size: var(--fs-20);
  font-weight: 700;
  color: var(--pp-on-ink-strong);
}

.page-products .pp-charts__desc {
  font-size: var(--fs-14);
  line-height: 1.72;
  color: var(--pp-on-ink-quiet);
}

.page-products .pp-form__figure .media-frame {
  border: 1px solid var(--pp-line-ink);
  background: var(--c-deep);
}

/* ---------- 大屏收藏 ---------- */
.page-products .pp-board {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 56px);
  align-items: start;
  margin-bottom: clamp(30px, 4vw, 52px);
}

.page-products .pp-board__lead {
  margin: 14px 0 24px;
  font-size: var(--fs-16);
  line-height: 1.78;
  color: var(--pp-on-ink-quiet);
  max-width: 34em;
}

.page-products .pp-board__points {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-products .pp-board__point {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 12px;
  align-items: baseline;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--pp-line-soft);
  font-size: var(--fs-16);
  line-height: 1.7;
  color: var(--pp-on-ink-quiet);
}

.page-products .pp-board__point-num {
  font-size: var(--fs-12);
  letter-spacing: .1em;
  color: var(--c-orange);
}

.page-products .pp-board__figure .media-frame {
  border: 1px solid var(--pp-line-ink);
  background: var(--c-deep);
}

.page-products .pp-track {
  border-top: 1px solid var(--pp-line-ink);
  padding-top: 22px;
}

.page-products .pp-track .track__list {
  display: flex;
  gap: 14px;
  margin: 0;
  padding: 0 0 8px;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.page-products .pp-fav {
  flex: 0 0 min(80vw, 268px);
  scroll-snap-align: start;
  padding: 20px 18px;
  background: var(--c-navy);
  border: 1px solid rgba(23, 224, 200, .28);
  clip-path: var(--cut-sm);
}

.page-products .pp-fav__tag {
  display: inline-block;
  margin-bottom: 14px;
  padding: 3px 9px;
  font-size: var(--fs-12);
  letter-spacing: .1em;
  color: var(--c-deep);
  background: var(--c-cyan);
}

.page-products .pp-fav__name {
  margin: 0 0 8px;
  font-size: var(--fs-16);
  font-weight: 700;
  color: var(--pp-on-ink-strong);
}

.page-products .pp-fav__meta {
  margin: 0;
  font-size: var(--fs-12);
  letter-spacing: .06em;
  color: var(--c-steel);
}

/* ---------- 版本对照 ---------- */
.page-products .pp-diff__figure {
  margin-bottom: clamp(26px, 3.6vw, 44px);
}

.page-products .pp-diff__figure .media-frame {
  border: 1px solid var(--c-line);
  background: var(--c-deep);
}

.page-products .pp-diffbar {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 18px 0;
  margin-bottom: 8px;
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
}

.page-products .pp-ver {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-products .pp-ver__tab {
  padding: 9px 18px;
  font-size: var(--fs-14);
  font-family: var(--font-mono);
  letter-spacing: .04em;
  color: var(--c-deep);
  background: var(--c-paper);
  border: 1px solid var(--c-line);
  clip-path: var(--cut-sm);
}

.page-products .pp-ver__tab.is-active {
  color: var(--pp-on-ink-strong);
  background: var(--c-cyan-dark);
  border-color: var(--c-cyan-dark);
}

.page-products .pp-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-products .pp-filter .anchor-nav__link {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  font-size: var(--fs-14);
  color: var(--c-deep);
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-left-width: 3px;
  text-decoration: none;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .pp-filter__item--new {
  border-left-color: var(--c-cyan);
}

.page-products .pp-filter__item--changed {
  border-left-color: var(--c-orange);
}

.page-products .pp-filter__item--removed {
  border-left-color: var(--c-steel);
}

.page-products .pp-filter .anchor-nav__link:hover,
.page-products .pp-filter .anchor-nav__link[aria-current="true"] {
  color: var(--pp-on-ink-strong);
  background: var(--c-window);
  border-color: var(--c-window);
  border-left-color: var(--c-cyan);
}

.page-products .pp-diff-list {
  margin-top: clamp(24px, 3.4vw, 40px);
}

.page-products .pp-dgroup {
  padding: clamp(22px, 3vw, 34px) 0;
  border-bottom: 1px solid var(--c-line);
}

.page-products .pp-dgroup__title {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 18px;
  font-size: var(--fs-20);
  font-weight: 700;
  color: var(--c-deep);
  flex-wrap: wrap;
}

.page-products .pp-dgroup__count {
  font-size: var(--fs-14);
  color: var(--c-steel);
}

.page-products .pp-drows {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pp-drow {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  padding: 16px 0;
  border-top: 1px dashed var(--c-line);
}

.page-products .pp-drow__idx {
  font-size: var(--fs-12);
  letter-spacing: .12em;
  color: var(--c-steel);
}

.page-products .pp-drow__now,
.page-products .pp-drow__prev {
  position: relative;
  padding: 12px 14px;
  background: var(--c-paper);
  border-left: 3px solid var(--c-line);
}

.page-products .pp-drow__now {
  border-left-color: var(--c-cyan);
}

.page-products .pp-drow__prev {
  border-left-color: var(--c-steel);
}

.page-products .pp-drow__now::before,
.page-products .pp-drow__prev::before {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .1em;
  color: var(--c-steel);
}

.page-products .pp-drow__now::before {
  content: "当前版";
}

.page-products .pp-drow__prev::before {
  content: "上一版";
}

.page-products .pp-drow__name {
  margin: 0;
  font-size: var(--fs-16);
  font-weight: 700;
  color: var(--c-deep);
}

.page-products .pp-drow__name--absent {
  font-weight: 400;
  color: var(--c-steel);
  text-decoration: line-through;
  text-decoration-thickness: 1px;
}

.page-products .pp-drow__name--old {
  color: #6b8091;
}

.page-products .pp-drow__meta {
  margin: 6px 0 0;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: #5b7183;
}

.page-products .pp-dgroup .pp-disclosure {
  margin-top: 16px;
  background: var(--c-paper);
  border-left: 3px solid var(--c-orange);
}

/* ---------- 变更说明 ---------- */
.page-products .pp-note {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 3.6vw, 48px);
  align-items: start;
  margin-top: clamp(34px, 4.4vw, 56px);
  padding-top: clamp(28px, 3.6vw, 44px);
  border-top: 3px solid var(--c-orange);
}

.page-products .pp-note__title {
  margin: 12px 0 14px;
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--c-deep);
}

.page-products .pp-note__copy > p {
  font-size: var(--fs-16);
  line-height: 1.78;
  color: #4a6070;
  max-width: 38em;
}

.page-products .pp-note__list {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-products .pp-note__list li {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 12px;
  align-items: baseline;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--c-line);
  font-size: var(--fs-16);
  line-height: 1.7;
  color: #4a6070;
}

.page-products .pp-note__k {
  font-size: var(--fs-12);
  letter-spacing: .1em;
  color: var(--c-orange);
}

.page-products .pp-note__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-products .pp-note__figure .media-frame {
  border: 1px solid var(--c-line);
  background: var(--c-deep);
}

/* ---------- 数据能力一览 ---------- */
.page-products .pp-metrics {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--pp-line-ink);
  border: 1px solid var(--pp-line-ink);
}

.page-products .pp-metric {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px 20px;
  background: var(--c-deep);
}

.page-products .pp-metric .metric__value {
  font-size: clamp(24px, 3.4vw, 34px);
  font-weight: 700;
  color: var(--c-cyan);
  letter-spacing: -.01em;
}

.page-products .pp-metric .metric__label {
  font-size: var(--fs-14);
  line-height: 1.6;
  color: var(--pp-on-ink-quiet);
}

.page-products .pp-metrics__note {
  margin-top: 26px;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--pp-on-ink-quiet);
  max-width: 46em;
}

.page-products .pp-metrics__note a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(23, 224, 200, .5);
  transition: border-color var(--dur) var(--ease);
}

.page-products .pp-metrics__note a:hover {
  border-bottom-color: var(--c-cyan);
}

.page-products .pp-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
  padding-top: 28px;
  border-top: 1px solid var(--pp-line-ink);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .cat-hero__panels {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-products .pp-charts {
    grid-template-columns: 1fr 1fr;
  }

  .page-products .pp-metrics {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 900px) {
  .page-products .cat-hero__grid {
    grid-template-columns: minmax(88px, 26%) 1fr;
    gap: clamp(28px, 4vw, 64px);
  }

  .page-products .cat-hero__rail {
    flex-direction: column;
    align-items: flex-start;
    gap: 26px;
    padding-left: 18px;
    border-left: 1px solid var(--pp-rail);
    align-self: stretch;
  }

  .page-products .pp-catalog {
    grid-template-columns: 1.12fr .88fr;
  }

  .page-products .pp-form__split {
    grid-template-columns: 1.05fr .95fr;
  }

  .page-products .pp-board {
    grid-template-columns: 1fr 1fr;
  }

  .page-products .pp-note {
    grid-template-columns: 1.15fr .85fr;
  }

  .page-products .pp-metrics {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-products .pp-diffbar {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

@media (min-width: 1000px) {
  .page-products .pp-charts {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 800px) {
  .page-products .pp-drow {
    grid-template-columns: 56px minmax(0, 1fr) minmax(0, 1fr);
    gap: 22px;
    align-items: start;
  }

  .page-products .pp-drow__idx {
    padding-top: 14px;
  }
}

@media (max-width: 520px) {
  .page-products .cat-hero__panel-value {
    font-size: var(--fs-20);
  }

  .page-products .pp-catalog__list .index-map__item {
    grid-template-columns: 36px 1fr;
  }

  .page-products .pp-catalog__list .index-map__count {
    grid-column: 2;
  }

  .page-products .pp-ver__tab {
    padding: 8px 12px;
    font-size: var(--fs-12);
  }
}