.page-products {
  --pd-gap: 18px;
  --pd-rise: 8px;
}

.page-products .kx-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  padding-top: 22px;
  padding-bottom: 6px;
  font-family: var(--kx-font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--kx-mute);
}

.page-products .kx-breadcrumb a {
  color: var(--kx-mute);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s var(--kx-ease), border-color 0.18s var(--kx-ease);
}

.page-products .kx-breadcrumb a:hover {
  color: var(--kx-cyan);
  border-bottom-color: var(--kx-cyan);
}

/* ---------- 首屏 ---------- */
.page-products .pd-hero {
  display: grid;
  gap: 30px;
  padding-top: 22px;
  padding-bottom: 44px;
  border-bottom: 1px solid var(--kx-line-soft);
}

.page-products .kx-eyebrow {
  font-family: var(--kx-font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--kx-cyan);
  margin: 0 0 14px;
}

.page-products h1 {
  margin: 0;
  font-family: var(--kx-font-display);
  font-weight: 900;
  font-size: clamp(30px, 7.4vw, 62px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--kx-ink);
  max-width: 20ch;
}

.page-products .pd-hero__desc {
  margin: 18px 0 0;
  max-width: 34em;
  font-family: var(--kx-font-body);
  font-size: 16px;
  line-height: 1.75;
  color: var(--kx-mute);
}

.page-products .pd-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-products .pd-hero__rail {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--kx-line-soft);
  border: 1px solid var(--kx-line-soft);
}

.page-products .pd-stat {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px;
  padding: 16px 14px;
  background: var(--kx-deep);
  min-width: 0;
}

.page-products .pd-stat__num {
  font-family: var(--kx-font-mono);
  font-weight: 600;
  font-size: 26px;
  letter-spacing: 0.02em;
  color: var(--kx-ink);
}

.page-products .pd-stat__unit {
  font-family: var(--kx-font-mono);
  font-size: 12px;
  color: var(--kx-mute);
}

.page-products .pd-stat__label {
  flex-basis: 100%;
  font-family: var(--kx-font-body);
  font-size: 13px;
  color: var(--kx-mute);
}

.page-products .pd-stat--live .pd-stat__num {
  color: var(--kx-lime);
}

.page-products .pd-stat--live .pd-stat__num::after {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-left: 8px;
  border-radius: 50%;
  background: var(--kx-lime);
  animation: pd-flash 0.9s var(--kx-ease) 1 both;
}

@keyframes pd-flash {
  0% { opacity: 0.2; transform: scale(0.6); }
  50% { opacity: 1; transform: scale(1.25); }
  100% { opacity: 1; transform: scale(1); }
}

/* ---------- 章节骨架 ---------- */
.page-products .pd-section {
  padding: 54px 0;
  border-bottom: 1px solid var(--kx-line-soft);
}

.page-products .kx-sec-head {
  margin-bottom: 26px;
}

.page-products .kx-sec-num {
  display: inline-block;
  font-family: var(--kx-font-mono);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--kx-cyan);
  border: 1px solid var(--kx-line);
  padding: 3px 8px;
  margin-bottom: 14px;
}

.page-products .kx-sec-title {
  margin: 0;
  font-family: var(--kx-font-display);
  font-weight: 900;
  font-size: clamp(22px, 4.4vw, 38px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--kx-ink);
}

.page-products .kx-sec-desc {
  margin: 14px 0 0;
  max-width: 62ch;
  font-family: var(--kx-font-body);
  font-size: 16px;
  line-height: 1.75;
  color: var(--kx-mute);
}

.page-products .pd-figure {
  margin: 0 0 26px;
  border: 1px solid var(--kx-line-soft);
  background: var(--kx-deep);
  overflow: hidden;
}

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

.page-products .pd-note {
  margin: 24px 0 0;
  padding: 14px 16px;
  border-left: 2px solid var(--kx-cyan);
  background: var(--kx-deep);
  font-family: var(--kx-font-body);
  font-size: 14px;
  line-height: 1.7;
  color: var(--kx-mute);
}

/* ---------- 三档订阅 ---------- */
.page-products .pd-tiers {
  display: grid;
  gap: var(--pd-gap);
}

.page-products .pd-tier {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 22px 18px;
  background: var(--kx-panel);
  border: 1px solid var(--kx-line);
  box-shadow: var(--kx-shadow);
  transition: border-color 0.2s var(--kx-ease), transform 0.2s var(--kx-ease);
}

.page-products .pd-tier:hover {
  border-color: var(--kx-cyan);
  transform: translateY(-1px);
}

.page-products .pd-tier--plus {
  border-color: var(--kx-orange);
  background: linear-gradient(180deg, rgba(255, 122, 26, 0.09), rgba(18, 32, 64, 0.9) 40%);
}

.page-products .pd-tier--plus:hover {
  border-color: var(--kx-orange);
}

.page-products .pd-tier__flag {
  align-self: flex-start;
  font-family: var(--kx-font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--kx-void);
  background: var(--kx-orange);
  padding: 3px 8px;
}

.page-products .pd-tier__head {
  border-bottom: 1px solid var(--kx-line-soft);
  padding-bottom: 14px;
}

.page-products .pd-tier__name {
  margin: 0;
  font-family: var(--kx-font-display);
  font-weight: 900;
  font-size: 22px;
  letter-spacing: -0.01em;
  color: var(--kx-ink);
}

.page-products .pd-tier--plus .pd-tier__name {
  color: var(--kx-orange);
}

.page-products .pd-tier__for {
  margin: 8px 0 0;
  font-family: var(--kx-font-body);
  font-size: 13px;
  line-height: 1.65;
  color: var(--kx-mute);
}

.page-products .pd-tier__rows {
  margin: 0;
  display: grid;
  gap: 10px;
}

.page-products .pd-tier__row {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 10px;
  align-items: baseline;
  padding-bottom: 9px;
  border-bottom: 1px dashed var(--kx-line-soft);
}

.page-products .pd-tier__row dt {
  flex: 0 0 auto;
  min-width: 5em;
  font-family: var(--kx-font-body);
  font-size: 13px;
  color: var(--kx-mute);
}

.page-products .pd-tier__row dd {
  margin: 0;
  flex: 1 1 auto;
  font-family: var(--kx-font-mono);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--kx-ink);
  text-align: right;
  min-width: 0;
}

.page-products .pd-more {
  border-top: 1px solid var(--kx-line-soft);
  padding-top: 12px;
}

.page-products .pd-more summary {
  cursor: pointer;
  font-family: var(--kx-font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--kx-cyan);
  list-style: none;
}

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

.page-products .pd-more summary::before {
  content: "+ ";
  color: var(--kx-cyan);
}

.page-products .pd-more[open] summary::before {
  content: "— ";
}

.page-products .pd-more p {
  margin: 10px 0 0;
  font-family: var(--kx-font-body);
  font-size: 14px;
  line-height: 1.72;
  color: var(--kx-mute);
}

/* ---------- 桌面端 ---------- */
.page-products .pd-desktop {
  display: grid;
  gap: 24px;
}

.page-products .pd-figure--desktop {
  margin-bottom: 0;
}

.page-products .pd-matrix {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--kx-line-soft);
  border: 1px solid var(--kx-line-soft);
}

.page-products .pd-matrix__item {
  background: var(--kx-deep);
  padding: 18px 16px;
  transition: background 0.2s var(--kx-ease);
}

.page-products .pd-matrix__item:hover {
  background: var(--kx-panel);
}

.page-products .pd-matrix__icon {
  display: block;
  width: 22px;
  height: 22px;
  margin-bottom: 12px;
  border: 1px solid var(--kx-cyan);
  background: transparent;
  transform: rotate(45deg);
  transition: background 0.2s var(--kx-ease), border-color 0.2s var(--kx-ease);
}

.page-products .pd-matrix__item:hover .pd-matrix__icon {
  background: var(--kx-cyan);
  border-color: var(--kx-cyan);
}

.page-products .pd-matrix__title {
  margin: 0 0 8px;
  font-family: var(--kx-font-display);
  font-weight: 900;
  font-size: 16px;
  letter-spacing: -0.01em;
  color: var(--kx-ink);
}

.page-products .pd-matrix__text {
  margin: 0;
  font-family: var(--kx-font-body);
  font-size: 14px;
  line-height: 1.7;
  color: var(--kx-mute);
}

.page-products .pd-refresh {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin-top: 22px;
  padding: 16px;
  background: var(--kx-panel);
  border: 1px solid var(--kx-line);
}

.page-products .pd-refresh__dot {
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  margin-top: 7px;
  border-radius: 50%;
  background: var(--kx-lime);
  box-shadow: 0 0 0 3px rgba(166, 255, 77, 0.16);
}

.page-products .pd-refresh__text {
  margin: 0;
  font-family: var(--kx-font-body);
  font-size: 14px;
  line-height: 1.7;
  color: var(--kx-mute);
}

.page-products .pd-refresh__text strong {
  color: var(--kx-ink);
  font-weight: 600;
}

/* ---------- 安卓端积分榜 ---------- */
.page-products .pd-android {
  display: grid;
  gap: 24px;
}

.page-products .pd-figure--tall {
  margin-bottom: 0;
  max-width: 320px;
}

.page-products .pd-figure--tall img {
  aspect-ratio: 5 / 7;
}

.page-products .pd-views {
  display: grid;
  gap: 1px;
  background: var(--kx-line-soft);
  border: 1px solid var(--kx-line-soft);
  margin-bottom: 20px;
}

.page-products .pd-view {
  background: var(--kx-deep);
  padding: 16px;
  transition: background 0.2s var(--kx-ease);
}

.page-products .pd-view:hover {
  background: var(--kx-panel);
}

.page-products .pd-view__name {
  margin: 0 0 8px;
  font-family: var(--kx-font-display);
  font-weight: 900;
  font-size: 15px;
  color: var(--kx-ink);
}

.page-products .pd-view__name::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 2px;
  margin-right: 8px;
  vertical-align: middle;
  background: var(--kx-cyan);
}

.page-products .pd-view__text {
  margin: 0;
  font-family: var(--kx-font-body);
  font-size: 14px;
  line-height: 1.7;
  color: var(--kx-mute);
}

.page-products .pd-trendbox {
  padding: 16px;
  background: var(--kx-panel);
  border: 1px solid var(--kx-line);
}

.page-products .pd-trendbox__cap {
  margin: 0 0 8px;
  font-family: var(--kx-font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--kx-mute);
}

.page-products .pd-trend {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
}

/* ---------- 数据链路 ---------- */
.page-products .pd-chain {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  display: grid;
  gap: 14px;
  counter-reset: pd-chain;
}

.page-products .pd-chain__node {
  position: relative;
  padding: 16px 16px 16px 20px;
  background: var(--kx-deep);
  border: 1px solid var(--kx-line);
  border-left: 2px solid var(--kx-cyan);
}

.page-products .pd-chain__idx {
  display: block;
  font-family: var(--kx-font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--kx-cyan);
  margin-bottom: 8px;
}

.page-products .pd-chain__name {
  margin: 0 0 6px;
  font-family: var(--kx-font-display);
  font-weight: 900;
  font-size: 15px;
  color: var(--kx-ink);
}

.page-products .pd-chain__text {
  margin: 0;
  font-family: var(--kx-font-body);
  font-size: 14px;
  line-height: 1.7;
  color: var(--kx-mute);
}

/* ---------- 订阅流程 ---------- */
.page-products .pd-steps {
  display: grid;
  gap: 12px;
  margin-bottom: 26px;
}

.page-products .pd-step {
  background: var(--kx-deep);
  border: 1px solid var(--kx-line);
  padding: 14px 16px;
  transition: border-color 0.2s var(--kx-ease);
}

.page-products .pd-step[open] {
  border-color: var(--kx-cyan);
}

.page-products .pd-step summary {
  display: flex;
  gap: 12px;
  align-items: center;
  cursor: pointer;
  list-style: none;
}

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

.page-products .pd-step__num {
  font-family: var(--kx-font-mono);
  font-weight: 600;
  font-size: 18px;
  color: var(--kx-cyan);
}

.page-products .pd-step:last-child .pd-step__num {
  color: var(--kx-orange);
}

.page-products .pd-step__name {
  font-family: var(--kx-font-display);
  font-weight: 900;
  font-size: 16px;
  color: var(--kx-ink);
}

.page-products .pd-step p {
  margin: 12px 0 0;
  font-family: var(--kx-font-body);
  font-size: 14px;
  line-height: 1.72;
  color: var(--kx-mute);
}

/* ---------- 出口链接 ---------- */
.page-products .pd-exit {
  border-bottom: 0;
}

.page-products .pd-exit__title {
  margin: 0 0 20px;
  font-family: var(--kx-font-display);
  font-weight: 900;
  font-size: clamp(20px, 3.8vw, 30px);
  letter-spacing: -0.02em;
  color: var(--kx-ink);
}

.page-products .pd-links {
  display: grid;
  gap: 12px;
}

.page-products .pd-link {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 16px;
  background: var(--kx-panel);
  border: 1px solid var(--kx-line);
  text-decoration: none;
  transition: border-color 0.2s var(--kx-ease), transform 0.2s var(--kx-ease), background 0.2s var(--kx-ease);
}

.page-products .pd-link:hover {
  border-color: var(--kx-cyan);
  background: var(--kx-deep);
  transform: translateY(-1px);
}

.page-products .pd-link__name {
  margin: 0;
  font-family: var(--kx-font-display);
  font-weight: 900;
  font-size: 16px;
  color: var(--kx-ink);
}

.page-products .pd-link__text {
  margin: 0;
  font-family: var(--kx-font-body);
  font-size: 14px;
  line-height: 1.7;
  color: var(--kx-mute);
}

.page-products .pd-link__go {
  margin-top: 4px;
  font-family: var(--kx-font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--kx-cyan);
}

.page-products .pd-link:hover .pd-link__go {
  color: var(--kx-orange);
}

/* ---------- 中等屏幕 ---------- */
@media (min-width: 640px) {
  .page-products .pd-tiers {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

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

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

/* ---------- 桌面 ---------- */
@media (min-width: 980px) {
  .page-products .pd-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 56px;
    align-items: end;
    padding-top: 40px;
    padding-bottom: 60px;
  }

  .page-products .pd-section {
    padding: 84px 0;
  }

  .page-products .kx-sec-head {
    margin-bottom: 34px;
  }

  .page-products .pd-tiers {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-products .pd-tier--plus {
    transform: translateY(calc(-1 * var(--pd-rise)));
  }

  .page-products .pd-tier--plus:hover {
    transform: translateY(calc(-1 * var(--pd-rise) - 1px));
  }

  .page-products .pd-desktop {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 24px;
    align-items: start;
  }

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

  .page-products .pd-android {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    gap: 32px;
    align-items: start;
  }

  .page-products .pd-figure--tall {
    position: sticky;
    top: 96px;
  }

  .page-products .pd-chain {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 12px;
  }

  .page-products .pd-chain__node {
    border-left: 1px solid var(--kx-line);
    border-top: 2px solid var(--kx-cyan);
    padding: 16px;
  }

  .page-products .pd-chain__node::after {
    content: "";
    position: absolute;
    top: 26px;
    right: -9px;
    width: 6px;
    height: 6px;
    border-top: 1px solid var(--kx-cyan);
    border-right: 1px solid var(--kx-cyan);
    transform: rotate(45deg);
  }

  .page-products .pd-chain__node:last-child::after {
    display: none;
  }

  .page-products .pd-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
  }

  .page-products .pd-links {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pd-stat--live .pd-stat__num::after {
    animation: none;
  }

  .page-products .pd-tier,
  .page-products .pd-link,
  .page-products .pd-matrix__icon {
    transition: none;
  }
}
</main>