.page-products {
  background: var(--warm-050);
  color: var(--ink-950);
}

/* ============ 首屏 ============ */
.page-products .pd-hero {
  padding-top: calc(var(--header-h) + clamp(52px, 10vw, 124px));
  padding-bottom: clamp(44px, 7vw, 92px);
  background: var(--ink-950);
  color: var(--warm-050);
}

.page-products .pd-hero-grid {
  display: grid;
  gap: clamp(36px, 6vw, 68px);
  align-items: end;
}

.page-products .pd-hero .crumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: clamp(22px, 4vw, 38px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text-dim);
}

.page-products .pd-hero .crumbs a {
  color: var(--gold-300);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-products .pd-hero .crumbs a:hover {
  border-color: var(--gold-500);
}

.page-products .pd-h1 {
  margin: 0 0 clamp(18px, 3vw, 30px);
  font-size: clamp(33px, 7vw, 74px);
  line-height: 1.05;
  letter-spacing: -0.03em;
  font-weight: 800;
  max-width: 16ch;
  color: var(--warm-050);
}

.page-products .pd-hero .lead {
  margin: 0;
  max-width: 48ch;
  font-size: clamp(15.5px, 1.6vw, 18px);
  line-height: 1.85;
  color: var(--text-dim);
}

.page-products .pd-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(26px, 4vw, 40px);
}

.page-products .pd-facts {
  margin: 0;
  border-top: 1px solid var(--line-dark);
}

.page-products .pd-fact {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: 14px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line-dark);
}

.page-products .pd-fact dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--gold-300);
  padding-top: 3px;
}

.page-products .pd-fact dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--warm-050);
}

/* ============ 章节骨架 ============ */
.page-products .pd-sec {
  padding-block: clamp(54px, 8vw, 112px);
  scroll-margin-top: calc(var(--header-h) + 16px);
}

.page-products .pd-grid {
  display: grid;
  gap: clamp(18px, 3vw, 44px);
}

.page-products .pd-side {
  align-self: start;
}

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

.page-products .pd-content > * + * {
  margin-top: clamp(18px, 2.4vw, 28px);
}

.page-products .pd-content h2 {
  margin: 0;
}

.page-products .pd-content p {
  margin: 0;
  max-width: 68ch;
  line-height: 1.85;
}

.page-products .pd-sec.on-dark h2,
.page-products .pd-sec.on-dark h3 {
  color: var(--warm-050);
}

.page-products .pd-sec.on-dark p {
  color: var(--text-dim);
}

/* ============ 图 ============ */
.page-products .pd-fig {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--ink-800);
}

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

.page-products .pd-fig .figure-caption {
  padding: 12px 18px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--gray-400);
  background: var(--ink-800);
}

/* ============ 对照表 ============ */
.page-products .pd-tablewrap {
  margin: 0;
  border-top: 1px solid var(--ink-950);
}

.page-products .pd-table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  font-size: 15px;
}

.page-products .pd-table th,
.page-products .pd-table td {
  padding: 16px 18px;
  text-align: left;
  vertical-align: top;
  line-height: 1.72;
  border-bottom: 1px solid var(--line-light);
}

.page-products .pd-table thead th {
  padding-top: 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--graphite-600);
  white-space: nowrap;
  border-bottom: 1px solid var(--ink-950);
}

.page-products .pd-table thead th:first-child {
  color: var(--ink-950);
}

.page-products .pd-table tbody th {
  font-weight: 700;
  color: var(--ink-950);
  white-space: nowrap;
}

.page-products .pd-table tbody tr:nth-child(even) {
  background: var(--paper-100);
}

.page-products .pd-table tbody td:first-child {
  border-left: 2px solid var(--gold-300);
}

/* ============ 终端清单 ============ */
.page-products .pd-terminal-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  border-top: 1px solid var(--line-dark);
}

.page-products .pd-terminal-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 8px;
  border-bottom: 1px solid var(--line-dark);
  font-size: 14.5px;
  line-height: 1.5;
  color: var(--warm-050);
}

.page-products .pd-dot {
  width: 10px;
  height: 10px;
  flex: none;
  border-radius: 50%;
  background: var(--celadon-300);
}

.page-products .pd-widths {
  padding: clamp(20px, 3vw, 28px);
  border-radius: var(--r-lg);
  background: rgba(247, 245, 240, 0.05);
  border: 1px solid var(--line-dark);
}

.page-products .pd-widths-label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--gold-300);
  max-width: none;
}

.page-products .pd-widths-list {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 2;
  letter-spacing: 0.04em;
  color: var(--warm-050);
  word-break: break-word;
  max-width: none;
}

.page-products .pd-widths-note {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-dim);
  max-width: 62ch;
}

/* ============ 收藏 ============ */
.page-products .pd-split {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
}

.page-products .pd-split .stack > * + * {
  margin-top: clamp(16px, 2.2vw, 24px);
}

.page-products .pd-chips {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 4px;
}

.page-products .pd-chip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 9px 18px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line-light);
  background: var(--warm-050);
  font-size: 14px;
  font-weight: 500;
  color: var(--graphite-600);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-products .pd-chip.is-on {
  border-color: var(--celadon-600);
  background: rgba(60, 125, 102, 0.1);
  color: var(--ink-950);
}

.page-products .pd-chip-mark {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--gray-400);
}

.page-products .pd-chip.is-on .pd-chip-mark {
  color: var(--celadon-600);
}

.page-products .pd-fig-square {
  align-self: stretch;
}

/* ============ 阅读方式 ============ */
.page-products .pd-read-grid {
  display: grid;
  gap: clamp(16px, 2.4vw, 26px);
}

.page-products .pd-read {
  padding: clamp(20px, 2.6vw, 28px);
  border-radius: var(--r-lg);
  background: var(--paper-100);
  border-left: 3px solid var(--gold-500);
}

.page-products .pd-read p {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--graphite-600);
}

/* ============ 流程 ============ */
.page-products .pd-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--ink-950);
}

.page-products .pd-step {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 16px;
  padding: clamp(18px, 2.4vw, 24px) 0;
  border-bottom: 1px solid var(--line-light);
}

.page-products .pd-step-no {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.06em;
  color: var(--gold-500);
  padding-top: 4px;
}

.page-products .pd-step-body h3 {
  margin: 0 0 8px;
}

.page-products .pd-step-body p {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--graphite-600);
}

/* ============ 场景 ============ */
.page-products .pd-scenes {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(18px, 2.6vw, 26px);
}

.page-products .pd-scenes li {
  padding-left: 20px;
  border-left: 2px solid var(--gold-300);
}

.page-products .pd-scenes h3 {
  margin: 0 0 10px;
}

.page-products .pd-scenes p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--graphite-600);
  max-width: 66ch;
}

/* ============ 收尾 ============ */
.page-products .pd-cta {
  padding-block: clamp(52px, 8vw, 104px);
  background: var(--ink-950);
  color: var(--warm-050);
}

.page-products .pd-cta-inner h2 {
  margin: 0 0 18px;
  color: var(--warm-050);
}

.page-products .pd-cta-inner .lead {
  margin: 0;
  max-width: 56ch;
  color: var(--text-dim);
  line-height: 1.85;
}

.page-products .pd-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(26px, 4vw, 40px);
}

/* ============ 响应式 ============ */
@media (min-width: 700px) {
  .page-products .pd-read-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-products .pd-hero-grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(240px, 0.8fr);
  }

  .page-products .pd-split {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: center;
  }
}

@media (min-width: 1000px) {
  .page-products .pd-grid {
    grid-template-columns: 190px minmax(0, 1fr);
  }

  .page-products .pd-side {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }
}

@media (max-width: 760px) {
  .page-products .pd-tablewrap {
    border-top: 1px solid var(--ink-950);
  }

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

  .page-products .pd-table thead {
    display: none;
  }

  .page-products .pd-table tbody,
  .page-products .pd-table tbody tr,
  .page-products .pd-table tbody th,
  .page-products .pd-table tbody td {
    display: block;
    width: auto;
  }

  .page-products .pd-table tbody tr {
    padding: 16px 0 6px;
    border-bottom: 1px solid var(--line-light);
  }

  .page-products .pd-table tbody tr:nth-child(even) {
    background: transparent;
  }

  .page-products .pd-table tbody th {
    padding: 0 0 10px;
    font-size: 16px;
    white-space: normal;
  }

  .page-products .pd-table tbody td {
    padding: 0 0 12px;
    border-bottom: 0;
  }

  .page-products .pd-table tbody td:first-child {
    border-left: 0;
  }

  .page-products .pd-table tbody td::before {
    content: attr(data-label);
    display: block;
    margin-bottom: 4px;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.08em;
    color: var(--gold-500);
  }

  .page-products .pd-step {
    grid-template-columns: 38px minmax(0, 1fr);
    gap: 12px;
  }

  .page-products .pd-fact {
    grid-template-columns: 78px minmax(0, 1fr);
    gap: 10px;
  }
}

@media (max-width: 420px) {
  .page-products .pd-h1 {
    font-size: 30px;
  }

  .page-products .pd-widths-list {
    font-size: 12px;
    letter-spacing: 0.02em;
  }
}