.page-products {
  --pp-tick: rgba(21, 122, 99, .35);
  --pp-hair: var(--edge-soft);
}

/* ---------- 面包屑 ---------- */
.page-products .pp-crumb {
  padding-top: clamp(.75rem, 2vw, 1.25rem);
}

/* ---------- 首屏框景 ---------- */
.page-products .pp-hero {
  padding-top: clamp(.5rem, 1.5vw, 1rem);
  padding-bottom: clamp(.5rem, 2vw, 1rem);
}

.page-products .pp-frame {
  position: relative;
  overflow: hidden;
  padding: clamp(1.25rem, 4vw, 2.75rem);
  border: 1px solid var(--edge);
  background:
    linear-gradient(135deg, rgba(215, 239, 230, .6) 0%, rgba(248, 245, 239, .95) 58%),
    var(--paper);
  box-shadow: var(--stack);
}

.page-products .pp-frame::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: linear-gradient(90deg, var(--jade) 0%, var(--jade) 62%, var(--amber) 62%, var(--amber) 100%);
}

.page-products .pp-frame__rule {
  height: 9px;
  margin: 0 0 clamp(1rem, 2.5vw, 1.5rem);
  background-image: repeating-linear-gradient(90deg, var(--jade) 0 1px, transparent 1px 14px);
  opacity: .38;
}

.page-products .pp-hero__title {
  margin: .35rem 0 .85rem;
  font-size: clamp(1.7rem, 5.4vw, 2.85rem);
  line-height: 1.2;
  letter-spacing: -.012em;
  font-weight: 800;
  color: var(--ink);
}

.page-products .pp-hero__lede {
  max-width: 60ch;
  margin-bottom: 1.35rem;
  color: var(--body-soft);
}

.page-products .pp-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem 1.4rem;
  padding-top: .9rem;
  border-top: 1px dashed var(--edge);
  font-size: .78rem;
  color: var(--slate);
}

/* ---------- 版本横向标签 ---------- */
.page-products .pp-rail {
  display: flex;
  gap: .5rem;
  margin-top: .35rem;
  padding: .9rem .1rem .5rem;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-products .pp-rail__link {
  flex: 0 0 auto;
  scroll-snap-align: start;
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .55rem .9rem;
  border: 1px solid var(--edge);
  background: var(--white);
  color: var(--jade-deep);
  font-size: .88rem;
  font-weight: 600;
  text-decoration: none;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-products .pp-rail__link:hover,
.page-products .pp-rail__link:focus-visible {
  background: var(--jade-light);
  border-color: var(--jade);
  transform: translateY(-1px);
}

.page-products .pp-rail__num {
  font-size: .72rem;
  color: var(--amber);
  letter-spacing: .04em;
}

/* ---------- 章节通用 ---------- */
.page-products .pp-sec {
  padding-block: clamp(2rem, 5vw, 3.5rem);
}

.page-products .pp-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.25rem, 3vw, 2.5rem);
  align-items: start;
}

.page-products .pp-split__main p {
  color: var(--body-soft);
  margin-bottom: 1rem;
}

.page-products .pp-split__media,
.page-products .pp-matrix__media,
.page-products .pp-modules__media,
.page-products .pp-legacy__media,
.page-products .pp-scenarios__media {
  margin: 0;
}

.page-products .pp-split__media img,
.page-products .pp-matrix__media img,
.page-products .pp-modules__media img,
.page-products .pp-legacy__media img,
.page-products .pp-scenarios__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .pp-matrix__media {
  margin-bottom: clamp(1rem, 2.5vw, 1.75rem);
}

/* ---------- 事实清单 ---------- */
.page-products .pp-facts {
  list-style: none;
  margin: 1.25rem 0 0;
  padding: 0;
  border-top: 1px solid var(--edge);
}

.page-products .pp-facts li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .25rem .75rem;
  padding: .7rem 0;
  border-bottom: 1px solid var(--pp-hair);
  font-size: .93rem;
  color: var(--body-soft);
}

.page-products .pp-facts__num {
  flex: 0 0 auto;
  min-width: 6.5rem;
  color: var(--jade);
  font-weight: 700;
  font-size: .88rem;
}

/* ---------- 版本矩阵表格 ---------- */
.page-products .pp-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--edge);
  background: var(--white);
  box-shadow: var(--stack-soft);
}

.page-products .pp-table {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
  font-size: .94rem;
}

.page-products .pp-table th,
.page-products .pp-table td {
  text-align: left;
  padding: .85rem 1rem;
  vertical-align: top;
}

.page-products .pp-table thead th {
  background: var(--indigo);
  color: var(--white);
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .05em;
  white-space: nowrap;
}

.page-products .pp-table tbody td,
.page-products .pp-table tbody th {
  border-top: 1px solid var(--pp-hair);
  color: var(--body-soft);
}

.page-products .pp-table__row-head {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--jade-deep);
  white-space: nowrap;
  border-left: 3px solid transparent;
}

.page-products .pp-table tbody tr {
  transition: background var(--dur) var(--ease);
}

.page-products .pp-table tbody tr:hover td,
.page-products .pp-table tbody tr:hover th {
  background: var(--jade-light);
}

.page-products .pp-table tbody tr:hover .pp-table__row-head {
  border-left-color: var(--amber);
}

/* ---------- IOS 旧版分段 ---------- */
.page-products .pp-legacy__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.25rem, 3vw, 2.25rem);
  align-items: start;
}

.page-products .pp-tabs {
  min-width: 0;
}

.page-products .pp-tabs__list {
  display: flex;
  flex-wrap: nowrap;
  gap: .3rem;
  overflow-x: auto;
  margin-bottom: 1.1rem;
  border-bottom: 1px solid var(--edge);
  -webkit-overflow-scrolling: touch;
}

.page-products .pp-tabs__list .tabs__btn {
  flex: 1 0 auto;
  padding: .7rem 1.15rem;
  border: 1px solid transparent;
  border-bottom: none;
  border-radius: var(--radius) var(--radius) 0 0;
  background: transparent;
  color: var(--slate);
  font-family: var(--font-mono);
  font-size: .95rem;
  font-weight: 600;
  cursor: pointer;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .pp-tabs__list .tabs__btn:hover {
  color: var(--jade-deep);
  background: rgba(215, 239, 230, .5);
}

.page-products .pp-tabs__list .tabs__btn[aria-selected="true"] {
  background: var(--jade-light);
  border-color: var(--jade);
  color: var(--jade-deep);
  font-weight: 700;
}

.page-products .pp-panel {
  min-width: 0;
}

.page-products .pp-panel[hidden] {
  display: none;
}

.page-products .pp-legacy__note {
  margin: 0 0 1rem;
  padding-left: .9rem;
  border-left: 3px solid var(--amber);
  color: var(--body-soft);
  font-size: .96rem;
}

.page-products .pp-detail {
  border: 1px solid var(--edge);
  background: var(--white);
}

.page-products .pp-detail + .pp-detail {
  margin-top: .6rem;
}

.page-products .pp-detail > summary {
  cursor: pointer;
  padding: .75rem 1rem;
  font-weight: 600;
  color: var(--jade-deep);
  font-size: .93rem;
}

.page-products .pp-detail .accordion__body {
  padding: 0 1rem 1.1rem;
}

.page-products .pp-diff {
  margin: 0;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: .6rem 1rem;
  align-items: baseline;
}

.page-products .pp-diff dt {
  justify-self: start;
  padding: .1rem .5rem;
  border: 1px solid var(--amber);
  border-radius: var(--radius);
  background: var(--amber-light);
  color: #8a4f06;
  font-family: var(--font-mono);
  font-size: .75rem;
  white-space: nowrap;
}

.page-products .pp-diff dd {
  margin: 0;
  color: var(--body-soft);
  font-size: .93rem;
}

/* ---------- 功能模块 ---------- */
.page-products .pp-modules__media {
  margin-bottom: clamp(1rem, 2.5vw, 1.75rem);
}

.page-products .pp-modules {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin: 0;
  padding: 0;
}

.page-products .pp-mod {
  position: relative;
  padding: 1.2rem 1.2rem 1.3rem;
  border: 1px solid var(--edge);
  border-top: 3px solid var(--jade);
  background: var(--white);
  box-shadow: var(--stack-soft);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-products .pp-mod:hover {
  border-top-color: var(--amber);
  transform: translateY(-2px);
}

.page-products .pp-mod__num {
  display: block;
  font-size: .72rem;
  letter-spacing: .08em;
  color: var(--amber);
  margin-bottom: .4rem;
}

.page-products .pp-mod h3 {
  margin: 0 0 .5rem;
  font-size: 1.05rem;
  color: var(--jade-deep);
}

.page-products .pp-mod p {
  margin: 0;
  font-size: .92rem;
  color: var(--body-soft);
}

/* ---------- 适用场景 ---------- */
.page-products .pp-scenarios {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.25rem, 3vw, 2.5rem);
  align-items: start;
}

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

.page-products .pp-scene {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: .4rem 1rem;
  padding: 1.05rem .6rem;
  border-bottom: 1px solid var(--pp-hair);
  text-decoration: none;
  color: inherit;
  transition: background var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-products .pp-scene:hover,
.page-products .pp-scene:focus-visible {
  background: var(--jade-light);
  padding-left: 1rem;
}

.page-products .pp-scene__num {
  font-size: 1rem;
  font-weight: 700;
  color: var(--amber);
  line-height: 1.4;
}

.page-products .pp-scene__body {
  display: grid;
  gap: .3rem;
}

.page-products .pp-scene__title {
  font-size: 1.02rem;
  color: var(--indigo);
  font-weight: 700;
}

.page-products .pp-scene__desc {
  font-size: .92rem;
  color: var(--body-soft);
  line-height: 1.65;
}

.page-products .pp-scene__go {
  font-family: var(--font-mono);
  font-size: .78rem;
  color: var(--jade);
  letter-spacing: .02em;
}

/* ---------- 获取与更新 ---------- */
.page-products .pp-updates__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 3.5vw, 3rem);
  align-items: start;
}

.page-products .pp-updates__main p {
  color: var(--body-soft);
  margin-bottom: 1rem;
}

.page-products .pp-stats {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: .75rem;
  margin: 1.5rem 0 0;
  padding: 0;
}

.page-products .pp-stat {
  padding: .85rem 1rem;
  border: 1px solid var(--edge);
  border-left: 3px solid var(--jade);
  background: var(--paper);
}

.page-products .pp-stat__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--jade-deep);
  line-height: 1.3;
}

.page-products .pp-stat__label {
  display: block;
  margin-top: .2rem;
  font-size: .84rem;
  color: var(--slate);
}

.page-products .pp-updates__actions {
  margin-top: 1.5rem;
}

.page-products .pp-updates__faq {
  padding: clamp(1.1rem, 3vw, 1.75rem);
  background: var(--indigo);
  box-shadow: var(--stack);
}

.page-products .pp-faq__title {
  margin: 0 0 1rem;
  font-size: 1rem;
  letter-spacing: .04em;
  color: var(--white);
  font-family: var(--font-mono);
  font-weight: 600;
}

.page-products .pp-updates__faq .pp-detail {
  border-color: rgba(255, 255, 255, .18);
  background: rgba(255, 255, 255, .05);
}

.page-products .pp-updates__faq .pp-detail + .pp-detail {
  margin-top: .6rem;
}

.page-products .pp-updates__faq .pp-detail > summary {
  color: var(--jade-light);
}

.page-products .pp-updates__faq .pp-detail .accordion__body p {
  margin: 0;
  color: rgba(248, 245, 239, .82);
  font-size: .92rem;
}

.page-products .pp-updates__faq .pp-detail .accordion__body a {
  color: var(--amber-light);
  text-decoration: underline;
}

/* ---------- 响应式 ---------- */
@media (min-width: 600px) {
  .page-products .pp-modules {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 860px) {
  .page-products .pp-split {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  }
}

@media (min-width: 900px) {
  .page-products .pp-legacy__layout {
    grid-template-columns: minmax(0, 300px) minmax(0, 1fr);
  }

  .page-products .pp-scenarios {
    grid-template-columns: minmax(0, 1fr) minmax(0, 420px);
  }

  .page-products .pp-updates__layout {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  }
}

@media (min-width: 1040px) {
  .page-products .pp-modules {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-rail__link,
  .page-products .pp-mod,
  .page-products .pp-scene,
  .page-products .pp-tabs__list .tabs__btn,
  .page-products .pp-table tbody tr {
    transition: none;
  }

  .page-products .pp-rail__link:hover,
  .page-products .pp-mod:hover {
    transform: none;
  }
}