.page-products {
  --pd-line: rgba(46, 55, 61, 0.72);
  --pd-line-soft: rgba(46, 55, 61, 0.45);
}

/* ---------- 首屏 ---------- */
.page-products .pd-hero {
  padding-top: 40px;
}

.page-products .pd-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  align-items: center;
}

.page-products .pd-hero-copy h1 {
  margin: 14px 0 0;
  font-size: clamp(34px, 5.6vw, 62px);
  line-height: 1.14;
  font-weight: 900;
  letter-spacing: -0.02em;
}

.page-products .pd-hero-copy .section-lead {
  margin-top: 18px;
  max-width: 40ch;
}

.page-products .pd-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-products .pd-quick {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  font-size: 14px;
  color: var(--text-dim);
}

.page-products .pd-quick li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.page-products .pd-hero-version {
  position: relative;
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--outline);
}

.page-products .pd-hero-version img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  opacity: 0.5;
}

.page-products .pd-version-badge {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 18px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 18px;
  border-radius: var(--r-lg);
  background: rgba(11, 15, 18, 0.84);
  border: 1px solid rgba(77, 166, 255, 0.45);
  box-shadow: 0 0 0 1px rgba(77, 166, 255, 0.12), 0 18px 40px rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
}

.page-products .pd-version-label {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--neon);
}

.page-products .pd-version-number {
  font-size: clamp(42px, 9vw, 78px);
  line-height: 1;
  color: var(--neon);
  letter-spacing: 0.02em;
}

/* ---------- 版本状态 ---------- */
.page-products .pd-ver-grid {
  margin-top: 8px;
  gap: 20px;
}

.page-products .pd-ver-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px 22px 22px;
  border-radius: var(--r-lg);
  border: 1px solid var(--outline);
  background: linear-gradient(180deg, var(--surface), var(--surface-2));
}

.page-products .pd-ver-card p {
  margin: 0;
}

.page-products .pd-ver-card--ios {
  border-top: 2px solid var(--neon);
}

.page-products .pd-ver-card--android {
  border-top: 2px solid var(--moss);
}

.page-products .pd-ver-card--desktop {
  border-top: 2px solid var(--cyan);
}

.page-products .pd-ver-num {
  line-height: 1.1;
  margin: 2px 0 0;
}

.page-products .pd-ver-card--ios .pd-ver-num {
  font-family: var(--font-mono);
  font-size: clamp(38px, 7vw, 54px);
  color: var(--neon);
  letter-spacing: 0.02em;
}

.page-products .pd-ver-card--android .pd-ver-num,
.page-products .pd-ver-card--desktop .pd-ver-num {
  font-size: clamp(20px, 3.2vw, 24px);
  font-weight: 800;
  color: var(--gold);
}

.page-products .pd-ver-desc {
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-dim);
  max-width: 40ch;
}

.page-products .pd-ver-card .link-more {
  margin-top: auto;
}

/* ---------- 对照表 ---------- */
.page-products .pd-map-figure {
  margin: 8px 0 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--outline);
  background: var(--surface-2);
}

.page-products .pd-map-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 7 / 5;
  object-fit: cover;
  opacity: 0.9;
}

.page-products .pd-map-figure .media-caption {
  display: block;
  padding: 12px 18px 14px;
  font-size: 13px;
  color: var(--text-faint);
}

.page-products .pd-table-head {
  margin: 44px 0 16px;
}

.page-products .pd-table-head h3 {
  margin: 0;
  font-size: clamp(20px, 3vw, 26px);
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-products .pd-table-head p {
  margin: 8px 0 0;
  font-size: 14px;
  color: var(--text-dim);
}

.page-products .pd-table-scroll {
  border: 1px solid var(--outline);
  border-radius: var(--r-lg);
  background: var(--surface-2);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-products .pd-table {
  width: 100%;
  min-width: 700px;
  border-collapse: collapse;
  font-size: 15px;
}

.page-products .pd-table th {
  position: sticky;
  top: 0;
  z-index: 1;
  text-align: left;
  padding: 14px 16px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--text-faint);
  background: var(--surface);
  border-bottom: 1px solid var(--pd-line);
  white-space: nowrap;
}

.page-products .pd-table td {
  padding: 12px 16px;
  color: var(--text-dim);
  border-bottom: 1px solid var(--pd-line-soft);
  vertical-align: top;
  line-height: 1.6;
}

.page-products .pd-table tbody tr:nth-child(even) {
  background: rgba(255, 255, 255, 0.018);
}

.page-products .pd-table tbody tr:hover {
  background: rgba(91, 200, 222, 0.07);
  box-shadow: inset 3px 0 0 var(--cool);
}

.page-products .pd-table td:nth-child(2) {
  color: var(--text-faint);
}

.page-products .pd-table td:nth-child(3) {
  color: var(--text);
  font-weight: 600;
}

.page-products .pd-table td:nth-child(4) {
  font-size: 13.5px;
  color: var(--text-dim);
}

.page-products .pd-table a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 224, 208, 0.35);
}

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

.page-products .pd-cell-block {
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
  white-space: nowrap;
  vertical-align: top;
  border-right: 1px solid var(--pd-line-soft);
}

.page-products .pd-block-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 8px;
  vertical-align: middle;
}

.page-products .pd-dot--cyan {
  background: var(--cyan);
  box-shadow: 0 0 8px rgba(63, 224, 208, 0.55);
}

.page-products .pd-dot--cool {
  background: var(--cool);
  box-shadow: 0 0 8px rgba(91, 200, 222, 0.55);
}

.page-products .pd-dot--neon {
  background: var(--neon);
  box-shadow: 0 0 8px rgba(77, 166, 255, 0.55);
}

.page-products .pd-dot--amber {
  background: var(--amber);
  box-shadow: 0 0 8px rgba(240, 160, 60, 0.55);
}

.page-products .pd-band {
  margin: 56px 0 0;
  border-top: 1px solid var(--pd-line-soft);
  border-bottom: 1px solid var(--pd-line-soft);
  background: var(--surface-2);
}

.page-products .pd-band img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 1;
  object-fit: cover;
  opacity: 0.85;
}

/* ---------- 三步流程 ---------- */
.page-products .pd-steps {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-products .pd-step {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 18px;
  padding: 24px 0;
  border-top: 1px dashed var(--pd-line);
}

.page-products .pd-step:last-child {
  border-bottom: 1px dashed var(--pd-line);
}

.page-products .pd-step-num {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  border-radius: var(--r-pill);
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--ink);
  background: var(--cyan);
  box-shadow: 0 0 0 6px rgba(63, 224, 208, 0.09);
}

.page-products .pd-step-body h3 {
  margin: 4px 0 8px;
  font-size: clamp(18px, 2.6vw, 22px);
  font-weight: 800;
}

.page-products .pd-step-body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-dim);
  max-width: 62ch;
}

.page-products .pd-step-body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 224, 208, 0.35);
}

.page-products .pd-step-figure {
  margin: 36px 0 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--outline);
  background: var(--surface);
}

.page-products .pd-step-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  opacity: 0.88;
}

.page-products .pd-step-figure .media-caption {
  display: block;
  padding: 12px 18px 14px;
  font-size: 13px;
  color: var(--text-faint);
}

/* ---------- 系统与设备 ---------- */
.page-products .pd-req-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

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

.page-products .pd-req-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px;
  border-radius: var(--r-lg);
  border: 1px solid var(--outline);
  background: var(--surface);
  border-left-width: 3px;
}

.page-products .pd-req-card h3 {
  margin: 2px 0 0;
  font-size: clamp(18px, 2.6vw, 21px);
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-products .pd-req-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-products .pd-req-card--ios {
  border-left-color: var(--neon);
}

.page-products .pd-req-card--android {
  border-left-color: var(--moss);
}

.page-products .pd-req-card--desktop {
  border-left-color: var(--cool);
}

.page-products .pd-req-card--notice {
  border-left-color: var(--amber);
  background: linear-gradient(180deg, rgba(240, 160, 60, 0.06), var(--surface));
}

.page-products .pd-req-visual {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--outline);
  background: var(--surface-2);
}

.page-products .pd-req-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  opacity: 0.75;
}

/* ---------- 旧版本栏目 ---------- */
.page-products .pd-legacy {
  padding: 30px 24px 32px;
  border-radius: var(--r-lg);
  background: linear-gradient(160deg, rgba(240, 160, 60, 0.08), var(--surface-2) 62%);
  border: 1px solid var(--outline);
  border-left: 3px solid var(--amber);
}

.page-products .pd-legacy .section-title {
  margin-top: 8px;
}

.page-products .pd-legacy .prose {
  margin-top: 16px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--text-dim);
  max-width: 62ch;
}

.page-products .pd-legacy-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .pd-legacy-list li {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 14px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text-dim);
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--pd-line-soft);
}

.page-products .pd-legacy-k {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--amber);
  padding-top: 3px;
}

.page-products .pd-legacy-note {
  margin: 20px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text-dim);
  max-width: 62ch;
}

.page-products .pd-legacy .btn {
  margin-top: 22px;
}

/* ---------- 常见卡点 ---------- */
.page-products .pd-qa-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-products .pd-qa {
  border-radius: var(--r-lg);
  border: 1px solid var(--outline);
  background: var(--surface);
  overflow: hidden;
}

.page-products .pd-qa summary {
  cursor: pointer;
  list-style: none;
  padding: 18px 20px;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 12px;
}

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

.page-products .pd-qa summary::before {
  content: "?";
  flex: none;
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border-radius: var(--r-pill);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink);
  background: var(--cool);
}

.page-products .pd-qa[open] summary {
  color: var(--cyan);
}

.page-products .pd-qa .qa-body {
  padding: 0 20px 18px 56px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-products .pd-qa .qa-body p {
  margin: 0;
}

.page-products .pd-cta {
  margin-top: 44px;
  padding: 28px 24px;
  border-radius: var(--r-lg);
  border: 1px solid var(--outline);
  background: linear-gradient(140deg, rgba(63, 224, 208, 0.08), var(--surface-2) 70%);
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.page-products .pd-cta-text {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text);
  max-width: 54ch;
}

.page-products .pd-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-products .pd-qa-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .pd-cta {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 30px 32px;
  }
}

@media (min-width: 960px) {
  .page-products .pd-hero-grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 60px;
  }

  .page-products .pd-req-layout {
    grid-template-columns: 1.25fr 0.75fr;
    align-items: start;
    gap: 32px;
  }

  .page-products .pd-req-visual {
    position: sticky;
    top: 96px;
  }

  .page-products .pd-legacy {
    padding: 40px 40px 42px;
  }
}

@media (max-width: 719px) {
  .page-products .pd-table {
    min-width: 0;
  }

  .page-products .pd-table thead {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip-path: inset(50%);
  }

  .page-products .pd-table tbody tr {
    display: block;
    padding: 14px 18px 16px;
    border-bottom: 1px solid var(--pd-line);
  }

  .page-products .pd-table tbody tr:hover {
    box-shadow: inset 3px 0 0 var(--cool);
  }

  .page-products .pd-table td {
    display: block;
    padding: 3px 0;
    border-bottom: 0;
  }

  .page-products .pd-table td::before {
    content: attr(data-label);
    display: block;
    font-size: 11px;
    letter-spacing: 0.12em;
    color: var(--text-faint);
    margin-bottom: 2px;
  }

  .page-products .pd-table td.pd-cell-block {
    display: block;
    white-space: normal;
    border-right: 0;
    border-bottom: 1px dashed var(--pd-line-soft);
    padding: 0 0 8px;
    margin-bottom: 8px;
    font-size: 13px;
  }

  .page-products .pd-table td:nth-child(2),
  .page-products .pd-table td:nth-child(3) {
    font-size: 15px;
  }

  .page-products .pd-step {
    grid-template-columns: 44px 1fr;
    gap: 14px;
  }

  .page-products .pd-step-num {
    width: 44px;
    height: 44px;
    font-size: 18px;
  }

  .page-products .pd-legacy-list li {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .page-products .pd-qa .qa-body {
    padding-left: 20px;
  }
}