.page-products {
  --pd-r: 14px;
  --pd-cut: 26px;
  padding-bottom: 4.5rem;
  overflow-wrap: break-word;
}

/* ---------- 面包屑 ---------- */
.page-products .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .4rem .7rem;
  padding-block: 1.5rem .4rem;
  font-size: .8125rem;
  color: var(--text-muted);
}

.page-products .breadcrumbs a {
  color: var(--text-muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-products .breadcrumbs a:hover {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

/* ---------- 首屏 ---------- */
.page-products .pd-hero {
  display: grid;
  gap: 1.75rem;
  padding-block: 1rem 2.5rem;
}

.page-products .pd-hero__stack {
  position: relative;
  margin: 0;
  border-radius: var(--pd-r);
  overflow: hidden;
  border: 1px solid var(--haze-border);
  background: var(--ink-navy-700);
  box-shadow: 0 18px 40px -28px rgba(0, 0, 0, .9);
}

.page-products .pd-hero__stack img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1200 / 680;
  object-fit: cover;
}

.page-products .pd-hero__stack::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(8, 18, 31, .06) 38%, rgba(8, 18, 31, .88));
  pointer-events: none;
}

.page-products .pd-hero__stack figcaption {
  position: absolute;
  z-index: 1;
  left: 1rem;
  right: 1rem;
  bottom: .9rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .55rem;
  font-size: .8125rem;
  color: var(--paper);
}

.page-products .pd-hero__main h1 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 5.4vw, 3.05rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -.015em;
  color: var(--paper);
  margin: .6rem 0 1rem;
  max-width: 20em;
}

.page-products .pd-lede {
  font-size: 1rem;
  line-height: 1.85;
  color: var(--text-muted);
  max-width: 40em;
  margin: 0 0 1.5rem;
}

.page-products .pd-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin-bottom: 1.75rem;
}

.page-products .pd-readout {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  background: var(--haze-border);
  border: 1px solid var(--haze-border);
  border-radius: 12px;
  overflow: hidden;
}

.page-products .pd-readout li {
  display: grid;
  gap: .22rem;
  padding: .9rem 1rem;
  background: var(--ink-navy-700);
}

.page-products .pd-readout .num {
  font-family: var(--font-mono);
  font-size: 1.0625rem;
  letter-spacing: .02em;
  color: var(--amber);
}

.page-products .pd-readout span:last-child {
  font-size: .75rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ---------- 章节通用 ---------- */
.page-products .pd-section {
  padding-block: 2.75rem;
  border-top: 1px solid var(--haze-border);
}

.page-products .pd-section__head {
  max-width: 46rem;
  margin-bottom: 2rem;
}

.page-products .pd-section__head .eyebrow {
  color: var(--celadon);
  letter-spacing: .12em;
}

.page-products .pd-section__head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3.4vw, 2.05rem);
  font-weight: 600;
  line-height: 1.22;
  letter-spacing: -.01em;
  color: var(--paper);
  margin: .4rem 0 .7rem;
}

.page-products .pd-section__head p {
  margin: 0;
  color: var(--text-muted);
  line-height: 1.85;
}

/* ---------- 图片容器 ---------- */
.page-products .pd-shot {
  margin: 0;
}

.page-products .pd-shot img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--haze-border);
  border-radius: 12px;
  background: var(--ink-navy-700);
}

.page-products .pd-shot figcaption {
  margin-top: .65rem;
  font-size: .8125rem;
  line-height: 1.7;
  color: var(--text-muted);
}

/* ---------- 版本总览 ---------- */
.page-products .pd-versions__grid {
  display: grid;
  gap: 1rem;
}

.page-products .pd-vercard {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  position: relative;
  padding: 1.35rem 1.25rem 1.25rem;
  background: var(--ink-navy-700);
  border: 1px solid var(--haze-border);
  border-radius: 0 var(--pd-r) var(--pd-r) var(--pd-r);
  clip-path: polygon(var(--pd-cut) 0, 100% 0, 100% 100%, 0 100%, 0 var(--pd-cut));
  transition: background var(--t-mid) var(--ease), border-color var(--t-mid) var(--ease);
}

.page-products .pd-vercard:hover {
  border-color: var(--amber);
  background: var(--ink-navy-500);
}

.page-products .pd-vercard--primary {
  background: linear-gradient(160deg, var(--ink-navy-500), var(--ink-navy-700));
  border-color: var(--amber);
}

.page-products .pd-vercard h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -.01em;
  color: var(--paper);
  margin: .6rem 0 .15rem;
}

.page-products .pd-vercard__ver {
  font-family: var(--font-mono);
  font-size: .8125rem;
  letter-spacing: .03em;
  color: var(--celadon);
  margin: 0 0 .9rem;
}

.page-products .pd-vercard p {
  font-size: .9375rem;
  line-height: 1.78;
  color: var(--text-muted);
  margin: 0 0 .9rem;
}

.page-products .pd-vercard ul {
  list-style: none;
  display: grid;
  gap: .5rem;
  margin: 0 0 1.2rem;
  padding: 0;
}

.page-products .pd-vercard li {
  position: relative;
  padding-left: 1.05rem;
  font-size: .875rem;
  line-height: 1.65;
  color: var(--text-muted);
}

.page-products .pd-vercard li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .58em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--celadon);
}

.page-products .pd-vercard--primary li::before {
  background: var(--amber);
}

.page-products .pd-vercard .btn {
  margin-top: auto;
}

/* ---------- 安装包与系统要求 ---------- */
.page-products .pd-specs__grid {
  display: grid;
  gap: 2rem;
}

.page-products .pd-specs__list {
  margin: 0;
  border-top: 1px solid var(--haze-border);
}

.page-products .pd-specs__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr);
  gap: 1rem;
  align-items: baseline;
  padding: .85rem .25rem;
  border-bottom: 1px solid var(--haze-border);
  transition: background var(--t-fast) var(--ease);
}

.page-products .pd-specs__row:hover {
  background: rgba(27, 58, 92, .38);
}

.page-products .pd-specs__row dt {
  font-family: var(--font-display);
  font-size: .9375rem;
  letter-spacing: .02em;
  color: var(--paper);
}

.page-products .pd-specs__row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .875rem;
  letter-spacing: .02em;
  color: var(--celadon);
}

/* ---------- 三步路径 ---------- */
.page-products .pd-steps__path {
  list-style: none;
  position: relative;
  display: grid;
  gap: 2rem;
  margin: 0 0 2.25rem;
  padding: 0 0 0 3.75rem;
}

.page-products .pd-steps__path::before {
  content: "";
  position: absolute;
  left: 1.35rem;
  top: .95rem;
  bottom: .95rem;
  width: 2px;
  background: linear-gradient(180deg, var(--amber), var(--celadon));
  opacity: .55;
}

.page-products .pd-step {
  position: relative;
}

.page-products .pd-step__node {
  position: absolute;
  left: -3.75rem;
  top: -.15rem;
  display: grid;
  place-items: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: .8125rem;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--amber);
  background: var(--ink-navy-900);
  border: 2px solid var(--haze-border);
  transition: border-color var(--t-mid) var(--ease), color var(--t-mid) var(--ease);
}

.page-products .pd-step:hover .pd-step__node {
  border-color: var(--celadon);
  color: var(--celadon);
}

.page-products .pd-step__body h3 {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: .01em;
  color: var(--paper);
  margin: 0 0 .45rem;
}

.page-products .pd-step__body p {
  margin: 0;
  max-width: 40em;
  font-size: .9375rem;
  line-height: 1.85;
  color: var(--text-muted);
}

/* ---------- 差异对照 ---------- */
.page-products .pd-diff__dims {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-bottom: 1.4rem;
}

.page-products .pd-diff__scroll {
  margin-top: 1.6rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--haze-border);
  border-radius: 12px;
  background: var(--ink-navy-700);
}

.page-products .pd-diff__table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  font-size: .875rem;
}

.page-products .pd-diff__table caption {
  padding: .9rem 1rem;
  text-align: left;
  font-size: .8125rem;
  color: var(--text-muted);
  border-bottom: 1px solid var(--haze-border);
}

.page-products .pd-diff__table th,
.page-products .pd-diff__table td {
  padding: .85rem 1rem;
  text-align: left;
  vertical-align: top;
  line-height: 1.72;
  border-bottom: 1px solid var(--haze-border);
}

.page-products .pd-diff__table thead th {
  font-family: var(--font-display);
  font-size: .875rem;
  font-weight: 600;
  letter-spacing: .03em;
  color: var(--paper);
  background: var(--ink-navy-500);
}

.page-products .pd-diff__table tbody th {
  font-family: var(--font-display);
  font-size: .875rem;
  font-weight: 600;
  letter-spacing: .03em;
  color: var(--amber);
  white-space: nowrap;
  background: var(--ink-navy-700);
  position: sticky;
  left: 0;
  z-index: 2;
}

.page-products .pd-diff__table thead th:first-child {
  position: sticky;
  left: 0;
  z-index: 3;
}

.page-products .pd-diff__table td {
  color: var(--text-muted);
}

.page-products .pd-diff__table tbody tr:nth-child(even) td {
  background: rgba(27, 58, 92, .3);
}

.page-products .pd-diff__table tbody tr:hover td,
.page-products .pd-diff__table tbody tr:hover th {
  background: var(--ink-navy-500);
}

.page-products .pd-diff__table tbody tr:hover td {
  color: var(--paper);
}

/* ---------- 内容目录变化 ---------- */
.page-products .pd-catalog__grid {
  display: grid;
  gap: 2rem;
}

.page-products .pd-catalog__note {
  margin: 0;
  font-size: .8125rem;
  letter-spacing: .06em;
  color: var(--text-muted);
}

.page-products .pd-catalog__list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin: .8rem 0 0;
  padding: 0;
}

.page-products .pd-catalog__list li {
  font-family: var(--font-display);
  font-size: .875rem;
  letter-spacing: .04em;
  padding: .38rem .72rem;
  color: var(--paper);
  background: var(--ink-navy-700);
  border: 1px solid var(--haze-border);
  border-radius: 6px;
  transition: border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}

.page-products .pd-catalog__list li:hover {
  border-color: var(--celadon);
  color: var(--celadon);
}

.page-products .pd-catalog__body h3 {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: .01em;
  color: var(--paper);
  margin: 0 0 .8rem;
}

.page-products .pd-catalog__body p {
  color: var(--text-muted);
  line-height: 1.88;
}

/* ---------- 历史版本 ---------- */
.page-products .pd-history__track {
  list-style: none;
  display: grid;
  gap: 1px;
  margin: 0 0 1.8rem;
  padding: 0;
  background: var(--haze-border);
  border: 1px solid var(--haze-border);
  border-radius: 12px;
  overflow: hidden;
}

.page-products .pd-history__node {
  padding: 1rem 1.1rem 1.15rem;
  background: var(--ink-navy-700);
  border-top: 3px solid var(--haze-border);
  transition: background var(--t-mid) var(--ease), border-color var(--t-mid) var(--ease);
}

.page-products .pd-history__node:hover {
  background: var(--ink-navy-500);
  border-top-color: var(--celadon);
}

.page-products .pd-history__node--amber {
  border-top-color: var(--amber);
}

.page-products .pd-history__node--amber:hover {
  border-top-color: var(--amber);
}

.page-products .pd-history__node .type-mono {
  display: block;
  font-family: var(--font-mono);
  font-size: .875rem;
  letter-spacing: .05em;
  color: var(--celadon);
  margin-bottom: .4rem;
}

.page-products .pd-history__node--amber .type-mono {
  color: var(--amber);
}

.page-products .pd-history__node p {
  margin: 0;
  font-size: .8125rem;
  line-height: 1.72;
  color: var(--text-muted);
}

/* ---------- 常见疑问 ---------- */
.page-products .pd-faq__grid {
  display: grid;
  gap: 1px;
  background: var(--haze-border);
  border: 1px solid var(--haze-border);
  border-radius: 12px;
  overflow: hidden;
}

.page-products .pd-faq__item {
  padding: 1.35rem 1.25rem;
  background: var(--ink-navy-700);
}

.page-products .pd-faq__item h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--paper);
  margin: 0 0 .55rem;
}

.page-products .pd-faq__item p {
  margin: 0 0 .8rem;
  font-size: .875rem;
  line-height: 1.78;
  color: var(--text-muted);
}

.page-products .pd-faq__item a {
  font-size: .875rem;
  color: var(--celadon);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}

.page-products .pd-faq__item a:hover {
  color: var(--paper);
  border-bottom-color: var(--celadon);
}

/* ---------- 页尾行动区 ---------- */
.page-products .pd-cta {
  display: grid;
  gap: 1.25rem;
  margin-top: 2.25rem;
  padding: 1.75rem 1.5rem;
  border: 1px solid var(--haze-border);
  border-radius: var(--pd-r);
  background: linear-gradient(135deg, var(--ink-navy-700), var(--ink-navy-900));
}

.page-products .pd-cta h2 {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 3vw, 1.6rem);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -.01em;
  color: var(--paper);
  margin: 0 0 .55rem;
}

.page-products .pd-cta p {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--text-muted);
  max-width: 38em;
}

.page-products .pd-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-products .pd-versions__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

  .page-products .pd-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (min-width: 900px) {
  .page-products .pd-hero {
    grid-template-columns: minmax(0, 320px) minmax(0, 1fr);
    gap: 2.5rem;
    align-items: start;
    padding-block: 2rem 3.25rem;
  }

  .page-products .pd-hero__stack {
    position: sticky;
    top: calc(var(--status-h) + 1.5rem);
  }

  .page-products .pd-specs__grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .pd-catalog__grid {
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
    align-items: start;
  }

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

  .page-products .pd-section {
    padding-block: 3.5rem;
  }

  .page-products .pd-steps__shot,
  .page-products .pd-diff .pd-shot {
    max-width: 60rem;
  }
}

@media (min-width: 1080px) {
  .page-products .pd-versions__grid {
    grid-template-columns: 1.5fr 1fr .9fr;
    align-items: stretch;
  }

  .page-products .pd-hero {
    grid-template-columns: minmax(0, 350px) minmax(0, 1fr);
    gap: 3.25rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products * {
    transition-duration: 1ms !important;
  }
}