.page-products {
  --pd-paper: var(--paper-50);
  --pd-ink: var(--ink-950);
}

.page-products .pd-hero {
  padding: 24px 0 4px;
}

.page-products .pd-hero .display-title {
  margin: 10px 0 16px;
  max-width: 22ch;
}

.page-products .pd-hero__lead {
  max-width: 64ch;
  margin-bottom: 0;
}

.page-products .pd-hero__entries {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-top: 24px;
}

.page-products .pd-entry {
  display: block;
  padding: 14px 16px 16px;
  background: var(--bg-2);
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--silver-300);
  text-decoration: none;
  color: var(--text);
  transition: transform .2s var(--ease), border-color .2s var(--ease), box-shadow .2s var(--ease);
}

.page-products .pd-entry:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.page-products .pd-entry--cinnabar { border-left-color: var(--cinnabar-ink); }
.page-products .pd-entry--cinnabar:hover { border-color: var(--cinnabar-ink); }
.page-products .pd-entry--cyan { border-left-color: var(--cyan-ink); }
.page-products .pd-entry--cyan:hover { border-color: var(--cyan-ink); }
.page-products .pd-entry--amber { border-left-color: var(--amber-ink); }
.page-products .pd-entry--amber:hover { border-color: var(--amber-ink); }

.page-products .pd-entry:focus-visible {
  outline: 2px solid var(--amber-ink);
  outline-offset: 2px;
}

.page-products .pd-entry__label {
  display: block;
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--text-3);
}

.page-products .pd-entry__name {
  display: block;
  margin-top: 6px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: .02em;
}

.page-products .pd-entry__note {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--text-2);
}

.page-products .pd-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  margin-top: 34px;
}

.page-products .pd-index {
  border: 1px solid var(--line-soft);
  background: var(--bg-2);
  padding: 14px 14px 8px;
}

.page-products .pd-index__title {
  margin: 0 0 6px;
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--text-3);
}

.page-products .pd-index ol {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .pd-index li + li {
  border-top: 1px solid var(--line-soft);
}

.page-products .pd-index a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 2px;
  font-size: 14px;
  text-decoration: none;
  color: var(--text-2);
  transition: color .16s var(--ease);
}

.page-products .pd-index a:hover { color: var(--text); }

.page-products .pd-index a .mono {
  font-size: 11px;
  color: var(--cyan-ink);
}

.page-products .pd-flow {
  min-width: 0;
}

.page-products .pd-section {
  padding: 26px 0 34px;
}

.page-products .pd-section + .pd-section {
  border-top: 1px solid var(--line-soft);
}

.page-products .pd-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 18px;
}

.page-products .pd-head__num {
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--cinnabar-ink);
}

.page-products .pd-head__title {
  margin: 0;
  font-size: clamp(19px, 2.3vw, 27px);
  font-weight: 700;
  letter-spacing: .02em;
  line-height: 1.35;
}

.page-products .pd-text {
  margin: 0 0 20px;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-2);
}

.page-products .pd-text--tight {
  margin: 20px 0 0;
  font-size: 14px;
}

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

/* ---------- 产品线对照表 ---------- */

.page-products .pd-tablewrap {
  margin-top: 22px;
  overflow-x: auto;
  border: 1px solid var(--line-soft);
  background: var(--bg-2);
  -webkit-overflow-scrolling: touch;
}

.page-products .pd-table {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .pd-table th {
  text-align: left;
  padding: 11px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .1em;
  color: var(--text-3);
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

.page-products .pd-table td {
  padding: 14px;
  vertical-align: top;
  line-height: 1.68;
  color: var(--text-2);
  border-bottom: 1px solid var(--line-soft);
  transition: background .16s var(--ease);
}

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

.page-products .pd-table tbody tr:hover td {
  background: var(--bg-3);
}

.page-products .pd-table td:first-child {
  font-size: 12px;
  color: var(--text-3);
  box-shadow: inset 3px 0 0 var(--silver-300);
}

.page-products .pd-row--nav td:first-child { box-shadow: inset 3px 0 0 var(--silver-300); }
.page-products .pd-row--account td:first-child { box-shadow: inset 3px 0 0 var(--cyan-ink); }
.page-products .pd-row--tool td:first-child { box-shadow: inset 3px 0 0 var(--cinnabar-ink); }
.page-products .pd-row--index td:first-child { box-shadow: inset 3px 0 0 var(--clay-ink); }

.page-products .pd-table td strong {
  display: block;
  color: var(--text);
  font-weight: 600;
}

/* ---------- 订阅步骤条 ---------- */

.page-products .pd-steps {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: stretch;
}

.page-products .pd-step {
  flex: 1 1 158px;
  min-width: 0;
}

.page-products .pd-step details {
  height: 100%;
  background: var(--bg-2);
  border: 1px solid var(--line-soft);
  border-top: 2px solid var(--cyan-ink);
  transition: border-color .18s var(--ease), transform .18s var(--ease);
}

.page-products .pd-step details:hover {
  transform: translateY(-2px);
}

.page-products .pd-step details[open] {
  border-color: var(--cyan-ink);
}

.page-products .pd-step summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 13px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}

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

.page-products .pd-step summary:focus-visible {
  outline: 2px solid var(--amber-ink);
  outline-offset: -2px;
}

.page-products .pd-step__dot {
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan-ink);
  border: 1px solid var(--cyan-ink);
}

.page-products .pd-step__body {
  margin: 0;
  padding: 0 13px 14px 45px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--text-2);
}

.page-products .pd-subgrid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  align-items: start;
}

/* ---------- 浅色纸面小结块 ---------- */

.page-products .pd-stop {
  background: var(--pd-paper);
  color: var(--pd-ink);
  padding: 18px 20px 20px;
  border-left: 3px solid var(--cinnabar-ink);
  box-shadow: 8px 8px 0 -2px rgba(44, 52, 61, .28);
}

.page-products .pd-stop--cyan { border-left-color: var(--cyan-ink); }
.page-products .pd-stop--amber { border-left-color: var(--amber-ink); }

.page-products .pd-stop__title {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: .12em;
  color: #5A6470;
}

.page-products .pd-stop__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
  font-size: 14px;
  line-height: 1.7;
}

.page-products .pd-stop__list li {
  padding-left: 14px;
  position: relative;
}

.page-products .pd-stop__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 5px;
  height: 5px;
  background: var(--pd-ink);
  opacity: .5;
}

.page-products .pd-stop__list strong {
  font-weight: 700;
}

.page-products .pd-stop .link-plain {
  color: #8A4C2A;
  text-decoration: underline;
}

.page-products .pd-stop:not(.pd-stop--cyan):not(.pd-stop--amber) {
  border-left-color: var(--cinnabar-ink);
}

/* ---------- 下载清单 ---------- */

.page-products .pd-checklist {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-products .pd-checklist li {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  gap: 12px;
}

.page-products .pd-check {
  width: 15px;
  height: 15px;
  margin-top: 4px;
  border: 1px solid var(--amber-ink);
  display: block;
  position: relative;
}

.page-products .pd-check::after {
  content: "";
  position: absolute;
  inset: 3px;
  background: var(--amber-ink);
  opacity: .55;
}

.page-products .pd-checklist h3 {
  margin: 0 0 5px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .01em;
}

.page-products .pd-checklist p {
  margin: 0;
  max-width: 46ch;
  font-size: 14px;
  line-height: 1.72;
  color: var(--text-2);
}

/* ---------- 回退对比 ---------- */

.page-products .pd-compare {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-bottom: 22px;
}

.page-products .pd-compare__card {
  background: var(--bg-2);
  border: 1px solid var(--line-soft);
  padding: 16px 18px 18px;
}

.page-products .pd-compare__card--before { border-top: 3px solid var(--clay-ink); }
.page-products .pd-compare__card--after { border-top: 3px solid var(--moss-ink); }

.page-products .pd-compare__card h3 {
  margin: 0 0 10px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .02em;
}

.page-products .pd-compare__card ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-products .pd-compare__card li {
  position: relative;
  padding-left: 14px;
  font-size: 14px;
  line-height: 1.68;
  color: var(--text-2);
}

.page-products .pd-compare__card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .7em;
  width: 6px;
  height: 1px;
  background: var(--text-3);
}

.page-products .pd-panels {
  display: grid;
  gap: 8px;
}

.page-products .pd-panels .panel__summary .mono {
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--clay-ink);
  margin-right: 8px;
}

/* ---------- 设备要求 ---------- */

.page-products .pd-devices {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  align-items: start;
}

.page-products .pd-spec {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-soft);
}

.page-products .pd-spec li {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px dashed var(--line-soft);
  font-size: 14px;
  line-height: 1.68;
}

.page-products .pd-spec__key {
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--cyan-ink);
  padding-top: 3px;
}

.page-products .pd-spec__val {
  color: var(--text-2);
}

/* ---------- 使用场景 ---------- */

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

.page-products .pd-scene {
  background: var(--bg-2);
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--silver-300);
  padding: 16px 16px 18px;
  transition: transform .18s var(--ease), border-color .18s var(--ease);
}

.page-products .pd-scene:hover {
  transform: translateY(-2px);
}

.page-products .pd-scene--nav { border-left-color: var(--silver-300); }
.page-products .pd-scene--account { border-left-color: var(--cyan-ink); }
.page-products .pd-scene--tool { border-left-color: var(--moss-ink); }
.page-products .pd-scene--index { border-left-color: var(--clay-ink); }

.page-products .pd-scene h3 {
  margin: 0 0 8px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .02em;
}

.page-products .pd-scene p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--text-2);
}

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

/* ---------- 页尾行动块 ---------- */

.page-products .pd-cta {
  margin: 30px 0 8px;
  padding: 24px 20px 26px;
  border: 1px solid var(--line);
  background:
    linear-gradient(118deg, rgba(23, 214, 200, .1), rgba(23, 214, 200, 0) 58%),
    var(--bg-2);
}

.page-products .pd-cta__title {
  margin: 0 0 12px;
  font-size: clamp(18px, 2.2vw, 24px);
  font-weight: 700;
  letter-spacing: .02em;
}

.page-products .pd-cta__text {
  margin: 0 0 20px;
  max-width: 48ch;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-2);
}

/* ---------- 响应式 ---------- */

@media (min-width: 700px) {
  .page-products .pd-hero__entries {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-products .pd-subgrid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 340px);
  }

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

  .page-products .pd-compare__card--after {
    margin-top: 28px;
  }

  .page-products .pd-devices {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 28px;
  }
}

@media (min-width: 1024px) {
  .page-products .pd-layout {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 48px;
    align-items: start;
  }

  .page-products .pd-index {
    position: sticky;
    top: calc(var(--header-offset) + 16px);
  }
}

@media (max-width: 480px) {
  .page-products .pd-spec li {
    grid-template-columns: 1fr;
    gap: 3px;
  }

  .page-products .pd-step__body {
    padding-left: 13px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pd-entry,
  .page-products .pd-scene,
  .page-products .pd-step details {
    transition: none;
  }

  .page-products .pd-entry:hover,
  .page-products .pd-scene:hover,
  .page-products .pd-step details:hover {
    transform: none;
  }
}