.page-products {
  --pp-gap: clamp(20px, 3vw, 40px);
  --pp-pad: clamp(16px, 2.4vw, 28px);
}

/* ---------- 首屏 ---------- */
.page-products .pp-hero {
  padding: clamp(22px, 4vw, 52px) 0 0;
}

.page-products .pp-hero__grid {
  display: grid;
  gap: clamp(22px, 3.5vw, 44px);
  margin-top: clamp(18px, 3vw, 32px);
}

.page-products .pp-hero__lead > .sk-lede {
  max-width: 42ch;
  margin-top: 14px;
}

.page-products .pp-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(18px, 2.6vw, 26px);
}

.page-products .pp-hero__facts {
  list-style: none;
  margin: clamp(20px, 3vw, 32px) 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--sk-line-soft);
  display: grid;
  gap: 10px;
  font-size: 13px;
  color: var(--sk-mute);
}

.page-products .pp-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-products .pp-hero__facts .sk-num {
  color: var(--sk-cyan);
  font-size: 15px;
  letter-spacing: .02em;
}

.page-products .pp-hero__media .sk-figure__media {
  border: 1px solid var(--sk-line);
  background: var(--sk-deck);
}

/* ---------- 双端分工 ---------- */
.page-products .pp-split {
  display: grid;
  gap: clamp(20px, 3vw, 36px);
  margin-top: clamp(20px, 3vw, 32px);
}

.page-products .pp-split__body p {
  margin: 0 0 1em;
  max-width: 40ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--sk-white);
}

.page-products .pp-split__body p:last-child {
  margin-bottom: 0;
}

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

.page-products .pp-split__item {
  background: var(--sk-deck);
  padding: 16px 18px;
  display: grid;
  gap: 6px;
  transition: background var(--sk-t);
}

.page-products .pp-split__item:hover {
  background: var(--sk-panel);
}

.page-products .pp-split__tag {
  font-family: var(--sk-font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--sk-purple);
}

.page-products .pp-split__text {
  font-size: 14px;
  line-height: 1.7;
  color: var(--sk-mute);
}

/* ---------- 功能路径：左节点右面板 ---------- */
.page-products .pp-tree {
  display: grid;
  gap: var(--pp-gap);
  margin-top: clamp(22px, 3vw, 34px);
}

.page-products .pp-tree__nodes {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
  border-left: 1px solid var(--sk-line);
}

.page-products .pp-tree__node {
  position: relative;
}

.page-products .pp-tree__link {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  align-items: baseline;
  gap: 8px;
  padding: 11px 12px 11px 14px;
  text-decoration: none;
  color: var(--sk-mute);
  border-left: 2px solid transparent;
  transition: color var(--sk-t), border-color var(--sk-t), background var(--sk-t);
}

.page-products .pp-tree__link:hover,
.page-products .pp-tree__link:focus-visible {
  color: var(--sk-white);
  border-left-color: var(--sk-cyan);
  background: var(--sk-cyan-soft);
}

.page-products .pp-tree__no {
  font-family: var(--sk-font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--sk-cyan);
}

.page-products .pp-tree__label {
  font-family: var(--sk-font-head);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.4;
  color: inherit;
}

.page-products .pp-tree__link:hover .pp-tree__label {
  font-weight: 800;
}

.page-products .pp-panels {
  display: grid;
  gap: clamp(18px, 2.6vw, 30px);
  min-width: 0;
}

.page-products .pp-panel-block {
  background: var(--sk-deck);
  border: 1px solid var(--sk-line);
  padding: var(--pp-pad);
  scroll-margin-top: calc(var(--sk-frame-h) + 24px);
  min-width: 0;
  transition: border-color var(--sk-t);
}

.page-products .pp-panel-block:hover {
  border-color: var(--sk-line);
}

.page-products .pp-panel-block--sync {
  background: linear-gradient(160deg, var(--sk-panel) 0%, var(--sk-deck) 62%);
}

.page-products .pp-panel-block__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 16px;
  padding-bottom: 12px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--sk-line-soft);
}

.page-products .pp-panel-block > p {
  margin: 0 0 18px;
  max-width: 44ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--sk-mute);
}

.page-products .pp-panel-block__media {
  margin: clamp(18px, 2.4vw, 26px) 0 0;
}

.page-products .pp-panel-block__media .sk-figure__media {
  border: 1px solid var(--sk-line);
  background: var(--sk-deep);
}

/* ---------- 看板指标 ---------- */
.page-products .pp-metrics {
  display: grid;
  gap: 1px;
  background: var(--sk-line-soft);
  border: 1px solid var(--sk-line-soft);
}

.page-products .pp-metric {
  background: var(--sk-panel);
  padding: 14px 16px 16px;
}

.page-products .pp-metric__no {
  margin: 0;
  font-family: var(--sk-font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--sk-cyan);
}

.page-products .pp-metric__name {
  margin: 8px 0 6px;
  font-family: var(--sk-font-head);
  font-size: 18px;
  font-weight: 600;
  color: var(--sk-white);
}

.page-products .pp-metric__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--sk-mute);
}

/* ---------- 会员中心面板 ---------- */
.page-products .pp-member {
  display: grid;
  gap: clamp(18px, 2.6vw, 30px);
  min-width: 0;
}

.page-products .pp-member__body > p {
  margin: 0 0 16px;
  max-width: 44ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--sk-mute);
}

.page-products .pp-zones {
  display: grid;
  gap: 10px;
}

.page-products .pp-zone {
  border: 1px solid var(--sk-line);
  background: var(--sk-panel);
  padding: 14px 16px;
  transition: border-color var(--sk-t), transform var(--sk-t);
}

.page-products .pp-zone:hover {
  border-color: var(--sk-cyan);
  transform: translateY(-2px);
}

.page-products .pp-zone__no {
  margin: 0;
  font-family: var(--sk-font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--sk-purple);
}

.page-products .pp-zone__title {
  margin: 6px 0 6px;
  font-family: var(--sk-font-head);
  font-size: 17px;
  font-weight: 600;
  color: var(--sk-white);
}

.page-products .pp-zone__text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--sk-mute);
}

.page-products .pp-member__media {
  margin: 0;
}

.page-products .pp-member__media .sk-figure__media {
  border: 1px solid var(--sk-line);
  background: var(--sk-deep);
}

/* ---------- 关注与订阅 ---------- */
.page-products .pp-follow {
  display: grid;
  gap: 1px;
  background: var(--sk-line-soft);
  border: 1px solid var(--sk-line-soft);
}

.page-products .pp-follow__col {
  background: var(--sk-panel);
  padding: 16px 18px 18px;
}

.page-products .pp-follow__title {
  margin: 0 0 12px;
  font-family: var(--sk-font-head);
  font-size: 15px;
  font-weight: 800;
  letter-spacing: .04em;
  color: var(--sk-cyan);
}

.page-products .pp-follow__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .pp-follow__list li {
  position: relative;
  padding-left: 14px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--sk-white);
}

.page-products .pp-follow__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 6px;
  height: 1px;
  background: var(--sk-cyan);
}

/* ---------- 预约时间线 ---------- */
.page-products .pp-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--sk-line-soft);
}

.page-products .pp-timeline__item {
  display: grid;
  gap: 6px;
  padding: 14px 0 14px 14px;
  border-bottom: 1px solid var(--sk-line-soft);
  border-left: 1px solid var(--sk-line);
}

.page-products .pp-timeline__time {
  font-family: var(--sk-font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--sk-orange);
}

.page-products .pp-timeline__text {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--sk-white);
}

/* ---------- 下载与设备 ---------- */
.page-products .pp-download {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  margin-top: clamp(20px, 3vw, 32px);
}

.page-products .pp-download__main > p {
  margin: 0 0 18px;
  max-width: 42ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--sk-mute);
}

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

.page-products .pp-checklist li {
  position: relative;
  padding-left: 22px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--sk-white);
}

.page-products .pp-checklist li::before {
  content: "+";
  position: absolute;
  left: 2px;
  top: -1px;
  font-family: var(--sk-font-mono);
  font-size: 15px;
  color: var(--sk-cyan);
}

.page-products .pp-download__steps {
  border: 1px solid var(--sk-line);
  background: var(--sk-deck);
  padding: var(--pp-pad);
}

.page-products .pp-download__steps-title {
  margin: 0 0 16px;
  font-family: var(--sk-font-head);
  font-size: 18px;
  font-weight: 800;
  color: var(--sk-white);
}

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

.page-products .pp-steps__item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
}

.page-products .pp-steps__no {
  font-family: var(--sk-font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--sk-purple);
  padding-top: 2px;
}

.page-products .pp-steps__item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--sk-mute);
}

.page-products .pp-copyline {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--sk-line-soft);
  font-size: 13px;
  color: var(--sk-mute);
}

.page-products .pp-download__media {
  margin: clamp(22px, 3vw, 34px) 0 0;
}

.page-products .pp-download__media .sk-figure__media {
  border: 1px solid var(--sk-line);
  background: var(--sk-deep);
}

/* ---------- 版本对照表 ---------- */
.page-products .pp-versions {
  min-width: 720px;
}

.page-products .pp-versions th[scope="row"] {
  font-family: var(--sk-font-head);
  font-size: 15px;
  font-weight: 600;
  color: var(--sk-white);
  white-space: nowrap;
}

.page-products .pp-versions__new {
  color: var(--sk-cyan);
}

.page-products .pp-versions tbody tr:hover .pp-versions__new {
  color: var(--sk-max);
}

/* ---------- 结尾信息带 ---------- */
.page-products .pp-band {
  display: grid;
  gap: 16px;
  margin-top: clamp(36px, 6vw, 72px);
  padding: clamp(18px, 2.6vw, 28px) 0;
  border-top: 1px solid var(--sk-line);
  border-bottom: 1px solid var(--sk-line);
}

.page-products .pp-band__label {
  margin: 0 0 6px;
  font-family: var(--sk-font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--sk-mute);
}

.page-products .pp-band__value {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--sk-white);
}

.page-products .pp-band__value a {
  color: var(--sk-cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--sk-line);
  transition: border-color var(--sk-t), color var(--sk-t);
}

.page-products .pp-band__value a:hover,
.page-products .pp-band__value a:focus-visible {
  color: var(--sk-max);
  border-bottom-color: var(--sk-cyan);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .pp-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-products .pp-hero__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

  .page-products .pp-timeline__item {
    grid-template-columns: 88px minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
  }

  .page-products .pp-band {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-products .pp-hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.06fr);
    align-items: end;
  }

  .page-products .pp-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .pp-download {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    align-items: start;
  }

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

@media (min-width: 1000px) {
  .page-products .pp-tree {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: clamp(28px, 4vw, 52px);
    align-items: start;
  }

  .page-products .pp-tree__nav {
    position: sticky;
    top: calc(var(--sk-frame-h) + 24px);
  }

  .page-products .pp-member {
    grid-template-columns: minmax(0, 1fr) minmax(0, 300px);
    align-items: start;
  }

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

@media (min-width: 1180px) {
  .page-products .pp-tree {
    grid-template-columns: 268px minmax(0, 1fr);
  }

  .page-products .pp-member {
    grid-template-columns: minmax(0, 1fr) minmax(0, 340px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-zone:hover {
    transform: none;
  }
}