.page-products {
  --pd-rail-w: 268px;
  --pd-gap: clamp(20px, 3vw, 36px);
  background: var(--paper);
  color: var(--body);
  overflow-x: hidden;
}

/* ---------- 入口区 ---------- */
.page-products .pd-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--ink);
  color: var(--paper);
  padding: clamp(32px, 6vw, 72px) 0 clamp(30px, 5vw, 60px);
  border-bottom: 3px solid var(--gold);
}

.page-products .pd-hero-bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.46;
}

.page-products .pd-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(96deg, rgba(11, 43, 36, 0.97) 0%, rgba(11, 43, 36, 0.88) 46%, rgba(11, 43, 36, 0.32) 100%);
}

.page-products .pd-hero-inner {
  position: relative;
}

.page-products .pd-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  font-size: 13px;
  color: var(--line);
  margin-bottom: clamp(18px, 3vw, 32px);
}

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

.page-products .pd-breadcrumb a:hover,
.page-products .pd-breadcrumb a:focus-visible {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-products .pd-title {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(28px, 5vw, 52px);
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--paper);
  margin: 10px 0 20px;
  max-width: 19em;
}

.page-products .pd-lede {
  max-width: 46em;
  margin: 0 0 clamp(24px, 4vw, 40px);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: rgba(244, 239, 227, 0.86);
}

.page-products .pd-stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  max-width: 780px;
  background: rgba(127, 168, 147, 0.3);
  border: 1px solid rgba(127, 168, 147, 0.3);
}

.page-products .pd-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px;
  background: rgba(11, 43, 36, 0.78);
}

.page-products .pd-stat-num {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(24px, 3vw, 30px);
  line-height: 1.1;
  color: var(--gold);
}

.page-products .pd-stat-label {
  font-size: 12.5px;
  line-height: 1.5;
  letter-spacing: 0.02em;
  color: rgba(244, 239, 227, 0.74);
}

/* ---------- 专区导览 ---------- */
.page-products .pd-overview {
  padding: clamp(44px, 7vw, 96px) 0;
  background: var(--paper);
}

.page-products .pd-overview-head {
  max-width: 44em;
  margin-bottom: clamp(22px, 4vw, 40px);
}

.page-products .pd-overview-lede {
  margin: 12px 0 0;
  color: var(--body-soft);
}

.page-products .pd-overview-grid {
  display: grid;
  gap: var(--pd-gap);
}

.page-products .pd-overview-fig {
  margin: 0;
  border-radius: 6px;
  overflow: hidden;
  background: var(--paper-2);
  max-height: 420px;
}

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

.page-products .pd-cat-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-products .pd-cat {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: start;
  gap: 6px 14px;
  padding: 16px 18px;
  background: var(--paper-card);
  border: 1px solid rgba(127, 168, 147, 0.55);
  border-left: 3px solid var(--gold);
  border-radius: 4px;
  color: var(--body);
  text-decoration: none;
  transition: border-color 0.18s var(--ease), background 0.18s var(--ease), transform 0.18s var(--ease);
}

.page-products .pd-cat:hover,
.page-products .pd-cat:focus-visible {
  border-color: var(--gold);
  background: #fbf7ee;
  transform: translateY(-2px);
}

.page-products .pd-cat-num {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--amber);
  padding-top: 4px;
}

.page-products .pd-cat-body {
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 0;
}

.page-products .pd-cat-name {
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
}

.page-products .pd-cat-desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--body-soft);
}

.page-products .pd-cat-count {
  grid-column: 2;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

/* ---------- 分组陈列 ---------- */
.page-products .pd-catalog {
  padding: clamp(44px, 7vw, 96px) 0;
  background: var(--paper-2);
}

.page-products .pd-catalog-head {
  max-width: 44em;
  margin-bottom: clamp(24px, 4vw, 44px);
}

.page-products .pd-catalog-lede {
  margin: 12px 0 0;
  color: var(--body-soft);
}

.page-products .pd-layout {
  display: grid;
  gap: var(--pd-gap);
}

.page-products .pd-rail {
  display: grid;
  gap: 22px;
  align-content: start;
}

.page-products .pd-rail-block {
  display: grid;
  gap: 10px;
}

.page-products .pd-rail-title {
  margin: 0;
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-products .pd-rail-nav {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-products .pd-rail-nav a {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 9px 10px 9px 11px;
  border-left: 3px solid transparent;
  color: var(--body);
  font-size: 15px;
  text-decoration: none;
  transition: background 0.16s var(--ease), border-color 0.16s var(--ease);
}

.page-products .pd-rail-nav a:hover,
.page-products .pd-rail-nav a:focus-visible {
  border-left-color: var(--gold);
  background: rgba(217, 164, 65, 0.14);
}

.page-products .pd-rail-idx {
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--amber);
}

.page-products .pd-rail-count {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
}

.page-products .pd-rail-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .pd-clear {
  justify-self: start;
}

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

.page-products .pd-drawer {
  margin-bottom: clamp(32px, 5vw, 56px);
}

.page-products .pd-drawer:last-child {
  margin-bottom: 0;
}

.page-products .pd-drawer-head {
  border-top: 1px solid rgba(127, 168, 147, 0.6);
  padding-top: 18px;
  margin-bottom: 16px;
}

.page-products .pd-tag {
  display: inline-block;
}

.page-products .pd-drawer-title {
  font-family: var(--serif);
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 600;
  line-height: 1.35;
  color: var(--ink);
  margin: 10px 0 8px;
}

.page-products .pd-drawer-desc {
  margin: 0 0 10px;
  max-width: 46em;
  font-size: 15px;
  line-height: 1.78;
  color: var(--body-soft);
}

.page-products .pd-drawer-meta {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-products .pd-entries {
  display: grid;
  gap: 1px;
  background: rgba(127, 168, 147, 0.45);
  border: 1px solid rgba(127, 168, 147, 0.45);
  border-radius: 6px;
  overflow: hidden;
}

.page-products .pd-entry {
  background: var(--paper-card);
  transition: background 0.18s var(--ease), box-shadow 0.18s var(--ease);
}

.page-products .pd-entry:nth-child(even) {
  background: #f0e9d9;
}

.page-products .pd-entry:hover {
  background: #fbf7ee;
}

.page-products .pd-entry[open] {
  box-shadow: inset 3px 0 0 var(--gold);
}

.page-products .pd-entry-sum {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 4px 12px;
  align-items: center;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
}

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

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

.page-products .pd-entry-name {
  grid-column: 1 / -1;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink);
}

.page-products .pd-entry-ver {
  grid-column: 1;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--amber);
}

.page-products .pd-entry-time {
  grid-column: 2;
  justify-self: end;
  font-size: 12px;
  color: var(--muted);
  min-width: 96px;
  text-align: right;
}

.page-products .pd-entry-body {
  padding: 14px 16px 18px;
  border-top: 1px dashed rgba(127, 168, 147, 0.7);
}

.page-products .pd-fields {
  display: grid;
  gap: 10px 22px;
  margin: 0 0 12px;
}

.page-products .pd-field {
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr);
  gap: 8px;
  align-items: baseline;
}

.page-products .pd-field dt {
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-products .pd-field dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--body);
}

.page-products .pd-entry-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--body-soft);
}

/* ---------- 字段说明 ---------- */
.page-products .pd-spec {
  padding: clamp(44px, 7vw, 96px) 0;
  background: var(--paper);
}

.page-products .pd-split {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  align-items: start;
}

.page-products .pd-spec-text .body-text {
  margin: 12px 0 22px;
  color: var(--body-soft);
  max-width: 40em;
}

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

.page-products .pd-spec-item {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: 12px;
  padding-top: 13px;
  border-top: 1px solid rgba(127, 168, 147, 0.55);
}

.page-products .pd-spec-key {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
}

.page-products .pd-spec-item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--body-soft);
}

.page-products .pd-spec-visual {
  display: grid;
  gap: 16px;
}

.page-products .pd-spec-visual img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  border-radius: 6px;
  object-fit: cover;
}

.page-products .pd-spec-card {
  margin: 0;
  padding: 18px 20px;
  background: var(--ink);
  border: 1px solid var(--gold);
  border-radius: 6px;
}

.page-products .pd-spec-card-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px 16px;
  padding-bottom: 10px;
  margin-bottom: 12px;
  border-bottom: 1px solid rgba(127, 168, 147, 0.45);
}

.page-products .pd-spec-card-title {
  margin: 0;
  font-family: var(--serif);
  font-size: 16px;
  font-weight: 600;
  color: var(--paper);
}

.page-products .pd-spec-card-tag {
  font-size: 11.5px;
  letter-spacing: 0.05em;
  color: var(--gold);
}

.page-products .pd-spec-card dl {
  margin: 0;
  display: grid;
  gap: 8px;
}

.page-products .pd-spec-row {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 10px;
  font-size: 13.5px;
}

.page-products .pd-spec-row dt {
  color: rgba(244, 239, 227, 0.62);
}

.page-products .pd-spec-row dd {
  margin: 0;
  color: var(--paper);
}

/* ---------- 设备适配 ---------- */
.page-products .pd-devices {
  padding: clamp(44px, 7vw, 96px) 0;
  background: var(--paper-2);
}

.page-products .pd-devices-grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: center;
}

.page-products .pd-devices-fig {
  margin: 0;
  border-radius: 8px;
  overflow: hidden;
  background: var(--moss);
}

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

.page-products .pd-devices-text .body-text {
  margin: 12px 0 0;
  color: var(--body-soft);
  max-width: 40em;
}

.page-products .pd-device-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .pd-device-item {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding-top: 10px;
  border-top: 1px solid rgba(127, 168, 147, 0.55);
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--body-soft);
}

.page-products .pd-device-key {
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--amber);
}

/* ---------- 三步建议 ---------- */
.page-products .pd-steps-wrap {
  padding: clamp(44px, 7vw, 96px) 0;
  background: var(--paper);
}

.page-products .pd-steps {
  list-style: none;
  margin: clamp(22px, 4vw, 40px) 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-products .pd-step {
  padding: 22px 20px;
  background: var(--paper-card);
  border: 1px solid rgba(127, 168, 147, 0.5);
  border-radius: 6px;
  transition: border-color 0.18s var(--ease), transform 0.18s var(--ease);
}

.page-products .pd-step:hover {
  border-color: var(--gold);
  transform: translateY(-2px);
}

.page-products .pd-step-num {
  display: block;
  margin-bottom: 10px;
  font-family: var(--serif);
  font-size: 42px;
  line-height: 1;
  color: var(--gold);
  opacity: 0.88;
}

.page-products .pd-step h3 {
  margin: 0 0 8px;
  font-family: var(--sans);
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
}

.page-products .pd-step p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--body-soft);
}

/* ---------- 更新节奏 ---------- */
.page-products .pd-cadence {
  padding: clamp(44px, 7vw, 96px) 0;
  background: var(--ink);
  color: var(--paper);
}

.page-products .pd-cadence-grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
}

.page-products .pd-cadence .section-title {
  color: var(--paper);
}

.page-products .pd-cadence-text {
  margin: 12px 0 22px;
  max-width: 40em;
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(244, 239, 227, 0.84);
}

.page-products .pd-cadence-facts {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .pd-cadence-facts li {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding-top: 10px;
  border-top: 1px solid rgba(127, 168, 147, 0.35);
  font-size: 14px;
  line-height: 1.6;
  color: rgba(244, 239, 227, 0.8);
}

.page-products .pd-fact-num {
  font-family: var(--mono);
  font-size: 16px;
  letter-spacing: 0.04em;
  color: var(--gold);
}

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

.page-products .pd-cadence-fig {
  margin: 0;
  border: 1px solid rgba(217, 164, 65, 0.55);
  border-radius: 8px;
  overflow: hidden;
}

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

/* ---------- 页尾补充 ---------- */
.page-products .pd-tail {
  padding: clamp(28px, 4vw, 48px) 0 clamp(40px, 6vw, 64px);
  background: var(--paper);
}

.page-products .pd-also {
  margin: 0 0 18px;
  max-width: 52em;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--body-soft);
}

.page-products .pd-also a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--gold);
  text-underline-offset: 3px;
}

.page-products .pd-also a:hover,
.page-products .pd-also a:focus-visible {
  color: var(--amber);
}

.page-products .pd-backtop {
  margin: 0;
}

.page-products .pd-backtop a {
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
}

.page-products .pd-backtop a:hover,
.page-products .pd-backtop a:focus-visible {
  color: var(--ink);
  border-bottom-color: var(--gold);
}

/* ---------- 断点 ---------- */
@media (min-width: 560px) {
  .page-products .pd-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-products .pd-cat-count {
    grid-column: 3;
    align-self: center;
  }
}

@media (min-width: 720px) {
  .page-products .pd-entry-sum {
    grid-template-columns: minmax(0, 1fr) 104px 132px;
    align-items: center;
  }

  .page-products .pd-entry-name {
    grid-column: auto;
  }

  .page-products .pd-entry-ver {
    grid-column: auto;
  }

  .page-products .pd-entry-time {
    grid-column: auto;
    min-width: 132px;
  }

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

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

@media (min-width: 900px) {
  .page-products .pd-overview-grid {
    grid-template-columns: minmax(0, 0.62fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .pd-overview-fig {
    max-height: none;
    height: 100%;
  }

  .page-products .pd-overview-fig img {
    height: 100%;
    min-height: 340px;
  }

  .page-products .pd-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
  }

  .page-products .pd-devices-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  }

  .page-products .pd-devices-grid .pd-devices-fig {
    order: 2;
  }

  .page-products .pd-cadence-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.92fr);
  }
}

@media (min-width: 960px) {
  .page-products .pd-layout {
    grid-template-columns: var(--pd-rail-w) minmax(0, 1fr);
    gap: clamp(28px, 4vw, 56px);
    align-items: start;
  }

  .page-products .pd-rail {
    position: sticky;
    top: calc(var(--header-h) + 20px);
    align-self: start;
    max-height: calc(100vh - var(--header-h) - 40px);
    overflow-y: auto;
    padding-right: 8px;
    border-right: 1px solid rgba(127, 168, 147, 0.55);
  }
}

@media (max-width: 400px) {
  .page-products .pd-field,
  .page-products .pd-spec-item,
  .page-products .pd-spec-row,
  .page-products .pd-device-item {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pd-cat,
  .page-products .pd-step,
  .page-products .pd-entry,
  .page-products .pd-rail-nav a {
    transition: none;
  }

  .page-products .pd-cat:hover,
  .page-products .pd-step:hover {
    transform: none;
  }
}
<<<END>>>