.page-products {
  --dl-gap: 20px;
  --dl-block-gap: 40px;
}

.page-products img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ---------- 面包屑 ---------- */
.page-products .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: 24px;
  font-size: var(--fs-index);
  color: var(--muted);
}

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

.page-products .breadcrumb a:hover {
  color: var(--lime);
}

.page-products .breadcrumb__sep {
  color: var(--line);
}

/* ---------- 首屏 ---------- */
.page-products .dl-hero {
  position: relative;
  padding: 40px 0 48px;
  border-bottom: 1px solid var(--line);
}

.page-products .dl-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 96px;
  height: 2px;
  background: var(--lime);
}

.page-products .dl-hero h1 {
  margin: 16px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(38px, 9.5vw, 84px);
  line-height: 0.98;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-indent: -0.03em;
}

.page-products .dl-hero__lead {
  max-width: 62ch;
  margin: 22px 0 0;
  color: var(--muted);
}

.page-products .dl-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .dl-stat {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 10px 14px;
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-products .dl-stat__num {
  font-size: 18px;
  color: var(--lime);
}

.page-products .dl-stat__unit {
  font-size: var(--fs-index);
  color: var(--muted);
}

/* ---------- 区块通用标题 ---------- */
.page-products .dl-sec-head {
  max-width: 66ch;
  margin-bottom: 28px;
}

.page-products .dl-sec-head h2 {
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(28px, 5.4vw, 46px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-products .dl-sec-head p {
  margin: 16px 0 0;
  color: var(--muted);
}

.page-products .dl-note {
  margin: 22px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--mauve);
  font-size: var(--fs-index);
  line-height: 1.75;
  color: var(--muted);
}

.page-products .dl-note a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid var(--lime-dim);
}

.page-products .dl-note a:hover {
  border-bottom-color: var(--lime);
}

/* ---------- 版本对照 ---------- */
.page-products .dl-figure {
  margin: 0 0 28px;
}

.page-products .dl-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-panel);
  -webkit-overflow-scrolling: touch;
}

.page-products .dl-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 15px;
}

.page-products .dl-table caption {
  text-align: left;
}

.page-products .dl-table th,
.page-products .dl-table td {
  padding: 14px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
  line-height: 1.7;
}

.page-products .dl-table thead th {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mauve);
  background: var(--bg-deep);
  white-space: nowrap;
}

.page-products .dl-table tbody th {
  font-weight: 600;
  color: var(--ink);
  white-space: nowrap;
}

.page-products .dl-table tbody td {
  color: var(--muted);
}

.page-products .dl-table tbody tr:nth-child(even) {
  background: rgba(27, 58, 92, 0.28);
}

.page-products .dl-table tbody tr:hover {
  background: var(--lime-dim);
}

.page-products .dl-table tbody tr:hover td {
  color: var(--ink);
}

.page-products .dl-table tbody tr:last-child th,
.page-products .dl-table tbody tr:last-child td {
  border-bottom: none;
}

.page-products .dl-table .tag {
  display: inline-block;
  padding: 4px 10px;
  border-radius: var(--radius);
  font-size: 12px;
  line-height: 1.4;
}

/* ---------- 苹果版专属栏 ---------- */
.page-products .dl-apple {
  position: relative;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 88% 12%, rgba(200, 255, 61, 0.09), transparent 46%),
    var(--bg-deep);
}

.page-products .dl-apple__inner {
  position: relative;
  padding-top: 48px;
  padding-bottom: 48px;
}

.page-products .dl-apple__head {
  max-width: 62ch;
}

.page-products .dl-apple__badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: var(--radius);
  font-size: 12px;
  margin-bottom: 14px;
}

.page-products .dl-apple h2 {
  margin: 0 0 16px;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(28px, 5.6vw, 48px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-products .dl-apple__head p {
  margin: 0;
  color: var(--muted);
}

.page-products .dl-apple .dl-steps {
  margin: 32px 0 0;
}

.page-products .dl-apple__figure {
  margin: 36px 0 0;
}

/* ---------- 步骤条 ---------- */
.page-products .dl-steps {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .dl-step {
  position: relative;
  display: flex;
  gap: 16px;
  padding-bottom: 26px;
}

.page-products .dl-step:last-child {
  padding-bottom: 0;
}

.page-products .dl-step::before {
  content: "";
  position: absolute;
  left: 19px;
  top: 40px;
  bottom: 0;
  width: 1px;
  background: var(--line);
}

.page-products .dl-step:last-child::before {
  display: none;
}

.page-products .dl-step__dot {
  flex: 0 0 auto;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--bg-panel);
  color: var(--lime);
  font-size: 13px;
}

.page-products .dl-step__body h3 {
  margin: 6px 0 6px;
  font-family: var(--font-head);
  font-size: var(--fs-h4);
  font-weight: 700;
  color: var(--ink);
}

.page-products .dl-step__body p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}

/* ---------- 两栏布局与索引 ---------- */
.page-products .dl-layout {
  padding-top: 48px;
  padding-bottom: 56px;
}

.page-products .dl-rail {
  margin-bottom: 32px;
}

.page-products .dl-rail__title {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mauve);
}

.page-products .dl-rail__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-products .dl-rail__list a {
  display: block;
  white-space: nowrap;
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-products .dl-rail__list a:hover {
  color: var(--ink);
  border-color: var(--lime);
  background: var(--lime-dim);
}

.page-products .dl-block {
  scroll-margin-top: 90px;
}

.page-products .dl-block:first-child {
  padding-top: 0;
}

/* ---------- 版本刻度 ---------- */
.page-products .dl-scale {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-products .dl-scale__item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 16px;
  background: var(--bg-panel);
}

.page-products .dl-scale__item.is-current {
  background: var(--bg-deep);
  box-shadow: inset 0 0 0 1px var(--lime);
}

.page-products .dl-scale__code {
  font-size: 24px;
  letter-spacing: 0.06em;
  color: var(--lime);
}

.page-products .dl-scale__item.is-current .dl-scale__code {
  color: var(--lime);
}

.page-products .dl-scale__note {
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

.page-products .dl-rule-paper {
  margin: 26px 0 0;
}

.page-products .dl-rule-paper__title {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--bg-base);
}

.page-products .dl-rule-paper p {
  margin: 0;
  color: #2a2f38;
  font-size: 15px;
}

/* ---------- 折叠面板 ---------- */
.page-products .dl-fold {
  margin-top: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-panel);
}

.page-products .dl-fold summary {
  cursor: pointer;
  list-style: none;
  padding: 15px 16px;
  font-size: 15px;
  color: var(--ink);
  position: relative;
  padding-right: 44px;
  transition: background var(--t-fast) var(--ease);
}

.page-products .dl-fold summary::-webkit-details-marker {
  display: none;
}

.page-products .dl-fold summary::after {
  content: "+";
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--lime);
}

.page-products .dl-fold[open] summary::after {
  content: "–";
}

.page-products .dl-fold summary:hover {
  background: var(--lime-dim);
}

.page-products .dl-fold__body {
  padding: 0 16px 16px;
  border-top: 1px solid var(--line);
}

.page-products .dl-fold__body p {
  margin: 14px 0 0;
  font-size: 15px;
  color: var(--muted);
}

/* ---------- 换设备 ---------- */
.page-products .dl-switch-grid {
  display: grid;
  gap: 28px;
}

.page-products .dl-switch-figure {
  margin: 0;
}

.page-products .dl-steps--compact .dl-step__body h3 {
  font-size: 18px;
}

/* ---------- 适配清单 ---------- */
.page-products .dl-check-grid {
  display: grid;
  gap: 26px;
}

.page-products .dl-check-figure {
  margin: 0;
}

.page-products .dl-fields {
  margin-top: 26px;
}

/* ---------- 小屏端 ---------- */
.page-products .dl-small-grid {
  display: grid;
  gap: 28px;
}

.page-products .dl-small-figure {
  margin: 0;
  max-width: 340px;
}

.page-products .dl-small-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-products .dl-small-list li {
  display: flex;
  gap: 14px;
  padding: 16px;
  background: var(--bg-panel);
}

.page-products .dl-small-list__idx {
  flex: 0 0 auto;
  font-size: 12px;
  color: var(--coral);
  padding-top: 3px;
}

.page-products .dl-small-list h3 {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
}

.page-products .dl-small-list p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 常见疑问 ---------- */
.page-products .dl-qa {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-products .dl-qa__item {
  padding: 20px 18px;
  background: var(--bg-panel);
}

.page-products .dl-qa__item h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
}

.page-products .dl-qa__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-products .dl-cta {
  margin-top: 30px;
  padding: 22px 20px;
  border: 1px solid var(--lime);
  border-radius: var(--radius);
  background:
    linear-gradient(120deg, rgba(200, 255, 61, 0.08), transparent 60%),
    var(--bg-deep);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.page-products .dl-cta__text {
  margin: 0;
  font-size: 15px;
  color: var(--ink);
  max-width: 46ch;
}

.page-products .dl-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .dl-scale {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-products .dl-qa__item:first-child {
    grid-column: 1 / -1;
  }
}

@media (min-width: 900px) {
  .page-products .dl-switch-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: start;
    gap: 40px;
  }

  .page-products .dl-check-grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: start;
    gap: 36px;
  }

  .page-products .dl-small-grid {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.6fr);
    align-items: start;
    gap: 40px;
  }
}

@media (min-width: 1024px) {
  .page-products .dl-layout {
    display: grid;
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 56px;
    padding-top: 64px;
    padding-bottom: 80px;
  }

  .page-products .dl-rail {
    position: sticky;
    top: 96px;
    align-self: start;
    margin-bottom: 0;
  }

  .page-products .dl-rail__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
  }

  .page-products .dl-rail__list a {
    border: none;
    border-left: 2px solid transparent;
    border-radius: 0;
    padding: 7px 0 7px 12px;
    white-space: normal;
  }

  .page-products .dl-rail__list a:hover {
    background: transparent;
    color: var(--lime);
    border-left-color: var(--lime);
  }

  .page-products .dl-hero {
    padding-top: 56px;
    padding-bottom: 64px;
  }

  .page-products .dl-stats {
    margin-left: -22px;
  }

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

  .page-products .dl-qa__item:first-child {
    grid-column: auto;
  }

  .page-products .dl-cta {
    padding: 26px 28px;
  }
}