.page-products {
  --pd-section-gap: clamp(48px, 7vw, 92px);
  --pd-shadow: 0 1px 0 var(--sand);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  line-height: 1.75;
  overflow-x: hidden;
}

.page-products a {
  color: var(--indigo);
  text-decoration: none;
}

.page-products a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-products h1,
.page-products h2,
.page-products h3,
.page-products h4 {
  font-family: var(--font-serif);
  color: var(--indigo);
  letter-spacing: -0.01em;
  line-height: 1.2;
  margin: 0;
}

.page-products .mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.page-products .eyebrow {
  font-family: var(--font-mono);
  font-size: var(--fs-1);
  letter-spacing: 0.14em;
  color: var(--orange);
  text-transform: uppercase;
  margin: 0 0 14px;
}

/* 面包屑 */
.page-products .crumbs {
  padding-top: 18px;
  font-size: var(--fs-2);
}

.page-products .crumbs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  color: var(--ink-soft);
}

.page-products .crumbs__list li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--sand);
}

.page-products .crumbs__list a {
  color: var(--ink-soft);
}

/* 首屏 */
.page-products .pd-hero {
  padding: clamp(26px, 5vw, 56px) 0 clamp(22px, 4vw, 40px);
}

.page-products .pd-hero__inner {
  display: grid;
  gap: 28px;
}

.page-products .pd-hero h1 {
  font-size: clamp(38px, 9vw, 88px);
  font-weight: 700;
  margin-bottom: 18px;
}

.page-products .pd-hero__lede {
  max-width: 33em;
  margin: 0;
  font-size: var(--fs-3);
  color: var(--ink);
}

.page-products .pd-hero__meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  border-top: var(--rule);
}

.page-products .pd-hero__meta li {
  padding: 14px 12px 0 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
  border-right: 1px solid var(--sand);
}

.page-products .pd-hero__meta li:last-child {
  border-right: 0;
}

.page-products .pd-hero__num {
  font-size: clamp(20px, 3vw, 26px);
  color: var(--indigo);
  font-weight: 700;
}

.page-products .pd-hero__label {
  font-size: var(--fs-1);
  color: var(--ink-soft);
  letter-spacing: 0.04em;
}

.page-products .pd-hero__stamp {
  display: none;
  align-self: end;
  justify-self: end;
  width: 200px;
  padding: 18px;
  border: 2px solid var(--indigo);
  background:
    repeating-linear-gradient(45deg, transparent 0 6px, rgba(30, 58, 107, 0.05) 6px 7px),
    var(--paper-light);
  text-align: right;
}

.page-products .pd-hero__stamp-num {
  display: block;
  font-size: 64px;
  line-height: 1;
  color: var(--indigo);
  font-weight: 700;
}

.page-products .pd-hero__stamp-line {
  display: block;
  margin-top: 8px;
  font-size: var(--fs-1);
  letter-spacing: 0.18em;
  color: var(--ink-soft);
  font-family: var(--font-mono);
  text-transform: uppercase;
}

/* 页内速览 */
.page-products .pd-jump {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 16px;
  padding-top: 4px;
  border-bottom: var(--rule);
  scrollbar-width: thin;
}

.page-products .pd-jump a {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 7px 13px;
  border: 1px solid var(--sand);
  background: var(--paper-light);
  border-radius: var(--radius);
  font-size: var(--fs-2);
  color: var(--ink);
  white-space: nowrap;
}

.page-products .pd-jump a .mono {
  color: var(--orange);
  font-size: var(--fs-1);
}

.page-products .pd-jump a:hover {
  border-color: var(--indigo);
  color: var(--indigo);
  text-decoration: none;
}

/* 通用区块头 */
.page-products .pd-head {
  margin-bottom: 26px;
}

.page-products .pd-head h2 {
  font-size: clamp(24px, 4.2vw, 40px);
  margin-bottom: 12px;
}

.page-products .pd-head__note {
  max-width: 40em;
  margin: 0;
  color: var(--ink-soft);
  font-size: var(--fs-2);
}

/* 区块间距 */
.page-products .pd-pick,
.page-products .pd-history,
.page-products .pd-install,
.page-products .pd-help {
  padding-top: var(--pd-section-gap);
  scroll-margin-top: calc(var(--header-h) + 16px);
}

.page-products .pd-release,
.page-products .pd-offline {
  scroll-margin-top: calc(var(--header-h) + 16px);
}

/* 版本选择 */
.page-products .pd-picker {
  position: relative;
  border: var(--rule);
  background: var(--paper-light);
  border-radius: var(--radius);
  padding: 14px;
}

.page-products .pd-picker__input,
.page-products .pd-req__input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-products .pd-picker__tabs {
  display: grid;
  gap: 10px;
  margin-bottom: 16px;
}

.page-products .pd-picker__tab {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 14px 16px;
  border: 1px solid var(--sand);
  background: var(--paper);
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 160ms var(--ease), border-color 160ms var(--ease), color 160ms var(--ease);
}

.page-products .pd-picker__os {
  font-family: var(--font-serif);
  font-size: var(--fs-4);
  font-weight: 600;
  color: var(--indigo);
}

.page-products .pd-picker__ver {
  font-size: var(--fs-1);
  color: var(--ink-soft);
  letter-spacing: 0.02em;
}

.page-products #pd-mode-win:checked ~ .pd-picker__tabs label[for="pd-mode-win"],
.page-products #pd-mode-mac:checked ~ .pd-picker__tabs label[for="pd-mode-mac"],
.page-products #pd-mode-web:checked ~ .pd-picker__tabs label[for="pd-mode-web"] {
  background: var(--indigo);
  border-color: var(--indigo);
  color: var(--paper-light);
}

.page-products #pd-mode-win:checked ~ .pd-picker__tabs label[for="pd-mode-win"] .pd-picker__os,
.page-products #pd-mode-mac:checked ~ .pd-picker__tabs label[for="pd-mode-mac"] .pd-picker__os,
.page-products #pd-mode-web:checked ~ .pd-picker__tabs label[for="pd-mode-web"] .pd-picker__os {
  color: var(--paper-light);
}

.page-products #pd-mode-win:checked ~ .pd-picker__tabs label[for="pd-mode-win"] .pd-picker__ver,
.page-products #pd-mode-mac:checked ~ .pd-picker__tabs label[for="pd-mode-mac"] .pd-picker__ver,
.page-products #pd-mode-web:checked ~ .pd-picker__tabs label[for="pd-mode-web"] .pd-picker__ver {
  color: rgba(244, 238, 225, 0.78);
}

.page-products .pd-picker__panel {
  display: none;
  padding: 6px 4px 4px;
}

.page-products #pd-mode-win:checked ~ .pd-picker__panels > .pd-picker__panel:nth-child(1),
.page-products #pd-mode-mac:checked ~ .pd-picker__panels > .pd-picker__panel:nth-child(2),
.page-products #pd-mode-web:checked ~ .pd-picker__panels > .pd-picker__panel:nth-child(3) {
  display: block;
}

.page-products .pd-picker__lead {
  margin: 0 0 16px;
  font-size: var(--fs-3);
  color: var(--ink);
  border-left: 3px solid var(--orange);
  padding-left: 12px;
}

.page-products .pd-picker__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--rule);
}

.page-products .pd-picker__list li {
  display: grid;
  gap: 2px;
  padding: 10px 0;
  border-bottom: 1px solid var(--sand);
}

.page-products .pd-picker__k {
  font-size: var(--fs-1);
  color: var(--ink-soft);
  letter-spacing: 0.06em;
}

.page-products .pd-picker__v {
  font-size: var(--fs-2);
  color: var(--ink);
}

/* 图片 */
.page-products .pd-shot {
  margin: 26px 0 0;
}

.page-products .pd-shot .figure__media {
  overflow: hidden;
  border: 1px solid var(--sand);
  background: var(--paper-light);
  border-radius: var(--radius);
  line-height: 0;
}

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

.page-products .figure__caption {
  margin-top: 8px;
  font-size: var(--fs-1);
  color: var(--ink-soft);
  font-family: var(--font-mono);
  line-height: 1.6;
}

/* v5.2 深色区块 */
.page-products .pd-release {
  margin-top: var(--pd-section-gap);
  background: var(--indigo-deep);
  color: var(--paper-light);
  padding: clamp(36px, 6vw, 64px) 0;
}

.page-products .pd-release__inner {
  display: grid;
  gap: 30px;
}

.page-products .pd-release h2 {
  color: var(--paper-light);
  font-size: clamp(24px, 4.2vw, 40px);
  margin-bottom: 14px;
}

.page-products .pd-release__eyebrow {
  margin: 0 0 12px;
  font-size: var(--fs-1);
  letter-spacing: 0.14em;
  color: var(--orange);
}

.page-products .pd-release__lede {
  margin: 0 0 24px;
  max-width: 34em;
  color: rgba(244, 238, 225, 0.82);
}

.page-products .pd-changes {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
  counter-reset: none;
}

.page-products .pd-changes li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  padding-top: 14px;
  border-top: 1px solid rgba(216, 207, 188, 0.28);
}

.page-products .pd-changes__num {
  font-size: var(--fs-1);
  color: var(--orange);
  padding-top: 4px;
}

.page-products .pd-changes h3 {
  color: var(--paper-light);
  font-size: var(--fs-4);
  margin-bottom: 4px;
}

.page-products .pd-changes p {
  margin: 0;
  font-size: var(--fs-2);
  color: rgba(244, 238, 225, 0.78);
}

.page-products .pd-release__note {
  margin: 26px 0 0;
  font-size: var(--fs-2);
  color: rgba(244, 238, 225, 0.72);
  border-top: 1px solid rgba(216, 207, 188, 0.28);
  padding-top: 14px;
}

.page-products .pd-release__note a {
  color: var(--paper-light);
  border-bottom: 1px solid var(--orange);
}

.page-products .pd-shot--release .figure__media {
  border-color: rgba(216, 207, 188, 0.35);
  background: var(--indigo);
}

.page-products .pd-shot--release .figure__caption {
  color: rgba(244, 238, 225, 0.62);
}

/* 版本演进 */
.page-products .pd-history__grid {
  display: grid;
  gap: 26px;
}

.page-products .pd-series {
  border: var(--rule);
  background: var(--paper-light);
  border-radius: var(--radius);
  margin-bottom: 12px;
}

.page-products .pd-series__sum {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  border-left: 4px solid var(--indigo);
}

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

.page-products .pd-series__sum::after {
  content: "＋";
  margin-left: auto;
  font-size: var(--fs-3);
  color: var(--orange);
  line-height: 1;
}

.page-products .pd-series[open] .pd-series__sum::after {
  content: "－";
}

.page-products .pd-series__tag {
  background: var(--indigo);
  color: var(--paper-light);
  font-size: var(--fs-1);
  padding: 3px 8px;
  border-radius: var(--radius);
}

.page-products .pd-series__name {
  font-family: var(--font-serif);
  font-weight: 600;
  color: var(--indigo);
  font-size: var(--fs-3);
}

.page-products .pd-series__count {
  margin-left: auto;
  font-size: var(--fs-1);
  color: var(--ink-soft);
}

.page-products .pd-series__sum::after {
  margin-left: 10px;
}

.page-products .pd-table-wrap {
  overflow-x: auto;
  border-top: var(--rule);
}

.page-products .pd-table {
  width: 100%;
  min-width: 600px;
  border-collapse: collapse;
  font-size: var(--fs-2);
}

.page-products .pd-table th,
.page-products .pd-table td {
  text-align: left;
  padding: 10px 14px;
  border-bottom: 1px solid var(--sand);
  vertical-align: top;
}

.page-products .pd-table thead th {
  font-family: var(--font-mono);
  font-size: var(--fs-1);
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
  background: var(--paper);
  white-space: nowrap;
}

.page-products .pd-table tbody td:first-child {
  color: var(--indigo);
  font-weight: 700;
  white-space: nowrap;
}

.page-products .pd-table tbody tr:hover {
  background: rgba(30, 58, 107, 0.05);
}

.page-products .pd-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-products .pd-shot--side {
  margin-top: 0;
}

/* 系统要求 */
.page-products .pd-req {
  position: relative;
  border: var(--rule);
  background: var(--paper-light);
  border-radius: var(--radius);
  padding: 14px;
}

.page-products .pd-req__tabs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 14px;
}

.page-products .pd-req__tab {
  text-align: center;
  padding: 10px 8px;
  border: 1px solid var(--sand);
  background: var(--paper);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: var(--fs-2);
  color: var(--ink);
  cursor: pointer;
}

.page-products #pd-sys-win:checked ~ .pd-req__tabs label[for="pd-sys-win"],
.page-products #pd-sys-mac:checked ~ .pd-req__tabs label[for="pd-sys-mac"] {
  background: var(--slate);
  border-color: var(--slate);
  color: var(--paper-light);
}

.page-products .pd-req__panel {
  display: none;
}

.page-products #pd-sys-win:checked ~ .pd-req__panels > .pd-req__panel:nth-child(1),
.page-products #pd-sys-mac:checked ~ .pd-req__panels > .pd-req__panel:nth-child(2) {
  display: block;
}

.page-products .pd-spec {
  margin: 0;
  border-top: var(--rule);
}

.page-products .pd-spec__row {
  display: grid;
  gap: 2px;
  padding: 10px 0;
  border-bottom: 1px solid var(--sand);
}

.page-products .pd-spec dt {
  font-size: var(--fs-1);
  color: var(--ink-soft);
  letter-spacing: 0.06em;
}

.page-products .pd-spec dd {
  margin: 0;
  font-size: var(--fs-2);
  color: var(--ink);
}

/* 安装三步 */
.page-products .pd-steps {
  margin-top: 30px;
  border-top: 2px solid var(--indigo);
  padding-top: 22px;
}

.page-products .pd-steps__title {
  font-size: var(--fs-5);
  margin-bottom: 18px;
}

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

.page-products .pd-step {
  position: relative;
  border: var(--rule);
  background: var(--paper-light);
  border-radius: var(--radius);
  padding: 18px 16px 16px;
}

.page-products .pd-step__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--indigo);
  color: var(--paper-light);
  font-size: var(--fs-2);
  margin-bottom: 10px;
}

.page-products .pd-step h4 {
  font-size: var(--fs-4);
  margin-bottom: 6px;
}

.page-products .pd-step p {
  margin: 0;
  font-size: var(--fs-2);
  color: var(--ink);
}

.page-products .pd-steps__check {
  margin: 18px 0 0;
  padding: 12px 14px;
  background: rgba(194, 84, 28, 0.07);
  border-left: 3px solid var(--orange);
  font-size: var(--fs-2);
  color: var(--ink);
}

/* 离线索引包 */
.page-products .pd-offline {
  margin-top: var(--pd-section-gap);
  background: var(--paper-light);
  border-top: var(--rule);
  border-bottom: var(--rule);
  padding: clamp(36px, 6vw, 64px) 0;
}

.page-products .pd-offline__inner {
  display: grid;
  gap: 28px;
}

.page-products .pd-offline h2 {
  font-size: clamp(24px, 4.2vw, 40px);
  margin-bottom: 14px;
}

.page-products .pd-offline__text > p {
  max-width: 34em;
  margin: 0 0 22px;
  font-size: var(--fs-3);
}

.page-products .pd-bar {
  display: grid;
  gap: 12px;
  margin-bottom: 22px;
}

.page-products .pd-bar__row {
  display: grid;
  grid-template-columns: 6.5em minmax(0, 1fr) 4.2em;
  align-items: center;
  gap: 10px;
}

.page-products .pd-bar__name {
  font-size: var(--fs-1);
  color: var(--ink-soft);
  line-height: 1.4;
}

.page-products .pd-bar__track {
  display: block;
  height: 12px;
  background: rgba(216, 207, 188, 0.55);
  border-radius: 1px;
  overflow: hidden;
}

.page-products .pd-bar__fill {
  display: block;
  height: 100%;
}

.page-products .pd-bar__fill--app {
  width: 7%;
  background: var(--slate);
}

.page-products .pd-bar__fill--pack {
  width: 100%;
  background: var(--indigo);
}

.page-products .pd-bar__val {
  font-size: var(--fs-1);
  color: var(--indigo);
  text-align: right;
}

.page-products .pd-offline__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: var(--rule);
}

.page-products .pd-offline__list li {
  padding: 10px 0 10px 20px;
  position: relative;
  font-size: var(--fs-2);
  border-bottom: 1px solid var(--sand);
}

.page-products .pd-offline__list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 20px;
  width: 7px;
  height: 7px;
  background: var(--orange);
}

.page-products .pd-shot--square {
  margin-top: 0;
}

/* 常见问题 */
.page-products .pd-help__grid {
  display: grid;
  gap: 14px;
}

.page-products .pd-help__card {
  border: var(--rule);
  border-top: 3px solid var(--slate);
  background: var(--paper-light);
  border-radius: var(--radius);
  padding: 18px 16px;
  transition: transform 160ms var(--ease), border-color 160ms var(--ease);
}

.page-products .pd-help__card:hover {
  transform: translateY(-2px);
  border-top-color: var(--indigo);
}

.page-products .pd-help__idx {
  display: inline-block;
  font-size: var(--fs-1);
  color: var(--paper-light);
  background: var(--ink-soft);
  padding: 2px 7px;
  border-radius: var(--radius);
  margin-bottom: 10px;
}

.page-products .pd-help__card h3 {
  font-size: var(--fs-4);
  margin-bottom: 8px;
}

.page-products .pd-help__card p {
  margin: 0 0 12px;
  font-size: var(--fs-2);
  color: var(--ink);
}

.page-products .pd-help__link {
  font-size: var(--fs-2);
  border-bottom: 1px solid var(--orange);
  padding-bottom: 2px;
}

.page-products .pd-help__foot {
  margin-top: 26px;
  padding-top: 20px;
  border-top: var(--rule);
  display: grid;
  gap: 16px;
  align-items: center;
}

.page-products .pd-help__foot p {
  margin: 0;
  font-size: var(--fs-2);
  color: var(--ink-soft);
  max-width: 40em;
}

.page-products .pd-help__foot .cta {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  padding: 12px 24px;
  background: var(--indigo);
  color: var(--paper-light);
  border-radius: 999px;
  font-size: var(--fs-3);
}

.page-products .pd-help__foot .cta:hover {
  background: var(--indigo-deep);
  text-decoration: none;
}

.page-products .pd-help {
  padding-bottom: clamp(48px, 7vw, 84px);
}

/* 桌面布局 */
@media (min-width: 900px) {
  .page-products .pd-hero__inner {
    grid-template-columns: minmax(0, 1fr) 200px;
    align-items: end;
    gap: 48px;
  }

  .page-products .pd-hero__stamp {
    display: block;
  }

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

  .page-products .pd-picker {
    padding: 18px;
  }

  .page-products .pd-picker__panel {
    padding: 10px 6px 6px;
  }

  .page-products .pd-picker__list li {
    grid-template-columns: 7em minmax(0, 1fr);
    align-items: baseline;
    gap: 14px;
  }

  .page-products .pd-release__inner {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
    gap: 48px;
  }

  .page-products .pd-history__grid {
    grid-template-columns: minmax(0, 1fr) 280px;
    gap: 40px;
    align-items: start;
  }

  .page-products .pd-req {
    padding: 18px;
  }

  .page-products .pd-req__tabs {
    grid-template-columns: repeat(2, minmax(0, 160px));
    justify-content: start;
  }

  .page-products .pd-spec__row {
    grid-template-columns: 8em minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
  }

  .page-products .pd-steps__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 26px;
  }

  .page-products .pd-step:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 46px;
    right: -20px;
    width: 14px;
    height: 1px;
    border-top: 2px dashed var(--sand);
  }

  .page-products .pd-offline__inner {
    grid-template-columns: minmax(0, 1fr) 300px;
    align-items: start;
    gap: 48px;
  }

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

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

@media (min-width: 1080px) {
  .page-products .pd-shot--wide {
    margin-top: 34px;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-products .pd-help__card {
    transition: none;
  }

  .page-products .pd-help__card:hover {
    transform: none;
  }
}