.page-products {
  --tier-a: var(--fern-700);
  --tier-b: var(--lake-600);
  --tier-c: var(--ochre-500);
  --tier-d: var(--clay-700);
  display: block;
  padding-bottom: var(--step-3);
  background: linear-gradient(180deg, rgba(46, 124, 147, 0.1) 0%, rgba(250, 248, 244, 0) 420px), var(--salt-50);
}

.page-products .wrap {
  padding-top: var(--step-1);
}

/* ---------- 首屏 ---------- */
.page-products .prod-hero {
  display: grid;
  gap: var(--step-1);
  padding: var(--step-1) 0 var(--step-2);
  border-bottom: 1px solid var(--line);
}

.page-products .prod-hero__text .eyebrow {
  margin: 0 0 10px;
}

.page-products .prod-hero__text h1 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.9rem, 6vw, 3.1rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--lake-900);
}

.page-products .prod-hero__text .lede {
  margin: 0;
  max-width: 62ch;
  color: var(--ink-900);
}

.page-products .prod-hero__media {
  margin: 0;
}

.page-products .prod-hero__media img {
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--paper);
}

.page-products .prod-stats {
  margin-top: var(--step-1);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-products .prod-stats .stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px;
  background: var(--paper);
}

.page-products .prod-stats .stat-value {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.5rem;
  font-variant-numeric: tabular-nums;
  color: var(--lake-900);
  line-height: 1.1;
}

.page-products .prod-stats .unit {
  font-size: 0.8rem;
  margin-left: 2px;
  color: var(--steel-500);
}

.page-products .prod-stats .stat-label {
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--steel-500);
}

/* ---------- 通用章节 ---------- */
.page-products .section {
  padding-top: var(--step-2);
}

.page-products .section-title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.3rem, 3.6vw, 1.9rem);
  line-height: 1.25;
  color: var(--lake-900);
  border-left: 5px solid var(--ochre-500);
  padding-left: 14px;
}

.page-products .section-intro {
  margin: 0 0 var(--step-1);
  max-width: 68ch;
  color: var(--steel-500);
}

.page-products .prod-figure {
  margin: 0 0 var(--step-1);
}

.page-products .prod-figure img {
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--paper);
}

.page-products .prod-figure .media-caption {
  margin-top: 8px;
  font-size: 0.8rem;
  color: var(--steel-500);
  letter-spacing: 0.02em;
}

/* ---------- 轴径刻度 ---------- */
.page-products .axis-figure {
  margin: 0 0 var(--step-1);
  padding: 16px 8px 4px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow-x: auto;
}

.page-products .axis-bar {
  display: block;
  width: 100%;
  min-width: 560px;
  max-width: 100%;
  height: auto;
}

.page-products .axis-rule {
  stroke: var(--line);
  stroke-width: 2;
}

.page-products .axis-seg rect {
  opacity: 0.86;
}

.page-products .axis-seg--a rect { fill: var(--tier-a); }
.page-products .axis-seg--b rect { fill: var(--tier-b); }
.page-products .axis-seg--c rect { fill: var(--tier-c); }
.page-products .axis-seg--d rect { fill: var(--tier-d); }

.page-products .axis-code {
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 700;
  fill: var(--ink-900);
  text-anchor: middle;
}

.page-products .axis-tick {
  font-family: var(--font-mono);
  font-size: 13px;
  fill: var(--steel-500);
  text-anchor: middle;
}

/* ---------- 型号卡 ---------- */
.page-products .model-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-products .model-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 18px 18px 20px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 120ms var(--ease), transform 120ms var(--ease), box-shadow 120ms var(--ease);
}

.page-products .model-card:hover,
.page-products .model-card:focus-within {
  border-color: var(--ochre-500);
  transform: translateX(2px);
  box-shadow: -3px 0 0 0 var(--ochre-500);
}

.page-products .model-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.page-products .model-code {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.8rem;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--ink-900);
  background: none;
  border: 1px dashed transparent;
  border-radius: 6px;
  padding: 2px 6px 2px 0;
  cursor: pointer;
  transition: color 120ms var(--ease), border-color 120ms var(--ease);
}

.page-products .model-code:hover {
  color: var(--ochre-500);
  border-color: var(--ochre-500);
}

.page-products .model-range {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--lake-600);
}

.page-products .model-rows {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
  border-top: 1px solid var(--line-soft);
  padding-top: 10px;
}

.page-products .model-row {
  display: grid;
  gap: 2px;
}

.page-products .model-row dt {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--steel-500);
}

.page-products .model-row dd {
  margin: 0;
  font-size: 0.9rem;
  color: var(--ink-900);
}

/* ---------- 档位与状态 ---------- */
.page-products .tier {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 30px;
  padding: 3px 9px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--paper);
  background: var(--steel-500);
}

.page-products .tier--a { background: var(--tier-a); }
.page-products .tier--b { background: var(--tier-b); }
.page-products .tier--c { background: var(--tier-c); }
.page-products .tier--d { background: var(--tier-d); }

.page-products .status {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  font-weight: 700;
  margin-right: 6px;
}

.page-products .status::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.page-products .status--stock {
  color: var(--fern-700);
  background: rgba(47, 111, 99, 0.1);
}

.page-products .status--plan {
  color: var(--ochre-500);
  background: var(--ochre-100);
}

.page-products .status--long {
  color: var(--clay-700);
  background: rgba(158, 59, 46, 0.1);
}

/* ---------- 对位表 ---------- */
.page-products .table-scroll {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-products .prod-table {
  width: 100%;
  min-width: 860px;
  border-collapse: collapse;
  font-size: 0.88rem;
}

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

.page-products .prod-table th,
.page-products .prod-table td {
  padding: 12px 14px;
  text-align: left;
  vertical-align: middle;
  border-bottom: 1px solid var(--line-soft);
  background: var(--paper);
  white-space: nowrap;
}

.page-products .prod-table thead th {
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  color: var(--lake-900);
  background: var(--salt-50);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 2;
}

.page-products .prod-table tbody tr:nth-child(even) th,
.page-products .prod-table tbody tr:nth-child(even) td {
  background: rgba(250, 248, 244, 0.7);
}

.page-products .prod-table tbody tr:hover th,
.page-products .prod-table tbody tr:hover td {
  background: var(--ochre-100);
}

.page-products .prod-table tbody th {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--ink-900);
  border-left: 3px solid transparent;
}

.page-products .prod-table tbody tr:hover th {
  border-left-color: var(--ochre-500);
}

.page-products .prod-table th:first-child,
.page-products .prod-table td:first-child {
  position: sticky;
  left: 0;
  z-index: 1;
}

.page-products .prod-table thead th:first-child {
  z-index: 3;
}

.page-products .prod-table .is-mono {
  font-variant-numeric: tabular-nums;
}

/* ---------- 主栏 + 旁注 ---------- */
.page-products .layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--step-1);
  margin-top: var(--step-1);
}

.page-products .mat-note h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--lake-900);
}

.page-products .mat-note p {
  margin: 0;
  color: var(--ink-900);
  max-width: 64ch;
}

.page-products .note-aside {
  padding: 16px 18px;
}

.page-products .note-aside__title {
  margin: 0 0 8px;
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  font-weight: 700;
  color: var(--ochre-500);
}

.page-products .note-aside p:last-child {
  margin: 0;
  font-size: 0.9rem;
  color: var(--ink-900);
}

.page-products .note-aside a,
.page-products .contact-note a {
  color: var(--lake-600);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-products .note-aside a:hover,
.page-products .contact-note a:hover {
  color: var(--ochre-500);
}

/* ---------- 四档 ---------- */
.page-products .tier-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--step-1);
}

.page-products .tier-figure {
  margin: 0;
}

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

.page-products .tier-card {
  position: relative;
  padding: 18px 18px 20px 22px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 6px solid var(--steel-500);
  border-radius: var(--radius);
}

.page-products .tier-card--a { border-left-color: var(--tier-a); }
.page-products .tier-card--b { border-left-color: var(--tier-b); }
.page-products .tier-card--c { border-left-color: var(--tier-c); }
.page-products .tier-card--d { border-left-color: var(--tier-d); }

.page-products .tier-card__badge {
  display: inline-block;
  font-size: 1.6rem;
  font-weight: 700;
  line-height: 1;
  color: var(--steel-500);
}

.page-products .tier-card--a .tier-card__badge { color: var(--tier-a); }
.page-products .tier-card--b .tier-card__badge { color: var(--tier-b); }
.page-products .tier-card--c .tier-card__badge { color: var(--tier-c); }
.page-products .tier-card--d .tier-card__badge { color: var(--tier-d); }

.page-products .tier-card__title {
  margin: 6px 0 8px;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--lake-900);
}

.page-products .tier-card__cond {
  margin: 0 0 12px;
  font-size: 0.9rem;
  color: var(--steel-500);
}

.page-products .tier-card__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-products .tier-card__list li {
  position: relative;
  padding-left: 14px;
  font-size: 0.88rem;
  color: var(--ink-900);
}

.page-products .tier-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 5px;
  height: 5px;
  background: var(--steel-500);
  transform: rotate(45deg);
}

/* ---------- 材质对比 ---------- */
.page-products .mat-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--step-1);
}

.page-products .mat-figure {
  margin: 0;
}

.page-products .mat-bars {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.page-products .mat-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .mat-name {
  margin: 0 0 2px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.98rem;
  color: var(--lake-900);
}

.page-products .mat-bar {
  position: relative;
  height: 20px;
  background: rgba(107, 116, 124, 0.12);
  border-radius: 3px;
  overflow: hidden;
}

.page-products .mat-fill {
  display: block;
  height: 100%;
  border-radius: 3px;
}

.page-products .mat-fill--load { background: var(--lake-900); }
.page-products .mat-fill--wear { background: var(--ochre-500); }
.page-products .mat-fill--corr { background: var(--fern-700); }

.page-products .mat-key {
  position: absolute;
  right: 8px;
  top: 0;
  line-height: 20px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-variant-numeric: tabular-nums;
  color: var(--paper);
  mix-blend-mode: difference;
}

.page-products .mat-scale {
  margin: 0;
  font-size: 0.78rem;
  color: var(--steel-500);
}

/* ---------- 安装要点 ---------- */
.page-products .install-grid {
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-products .install-item {
  padding: 14px 16px;
  background: var(--paper);
}

.page-products .install-item dt {
  margin-bottom: 5px;
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  font-weight: 700;
  color: var(--steel-500);
}

.page-products .install-item dd {
  margin: 0;
  font-size: 0.9rem;
  color: var(--ink-900);
}

.page-products .install-figure {
  margin: 0 0 var(--step-1);
}

/* ---------- 质保 ---------- */
.page-products .warranty-panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-products .warranty-col {
  padding: 20px;
  background: var(--paper);
}

.page-products .warranty-col h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--lake-900);
}

.page-products .warranty-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.page-products .warranty-list li {
  position: relative;
  padding-left: 16px;
  font-size: 0.9rem;
  color: var(--ink-900);
}

.page-products .warranty-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 8px;
  height: 2px;
  background: var(--ochre-500);
}

/* ---------- 三步 ---------- */
.page-products .steps {
  margin: 0 0 var(--step-1);
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-products .step {
  position: relative;
  padding: 20px 18px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-products .step__num {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1;
  color: var(--ochre-500);
  margin-bottom: 10px;
}

.page-products .step h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 800;
  color: var(--lake-900);
}

.page-products .step p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--ink-900);
}

/* ---------- 联系面板 ---------- */
.page-products .contact-panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--step-1);
  padding: 22px 20px;
  border-radius: var(--radius);
  background: linear-gradient(140deg, rgba(16, 57, 74, 0.06), rgba(180, 83, 30, 0.09)), var(--paper);
  border: 1px solid var(--line);
}

.page-products .contact-panel h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--lake-900);
}

.page-products .contact-panel__text p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--ink-900);
}

.page-products .contact-panel__actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-products .contact-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 10px;
}

.page-products .contact-label {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--steel-500);
  flex: 0 0 100%;
}

.page-products .contact-value {
  font-size: 0.95rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--ink-900);
  word-break: break-all;
  flex: 1 1 auto;
}

.page-products .contact-note {
  margin: 0;
  font-size: 0.82rem;
  color: var(--steel-500);
}

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

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

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

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

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

  .page-products .contact-line {
    flex-wrap: nowrap;
  }

  .page-products .contact-label {
    flex: 0 0 auto;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-products .prod-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
    gap: var(--step-2);
    padding-top: var(--step-2);
  }

  .page-products .layout {
    grid-template-columns: minmax(0, 8fr) minmax(0, 3fr);
    align-items: start;
  }

  .page-products .tier-layout {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    align-items: start;
    gap: var(--step-2);
  }

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

  .page-products .mat-layout {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    align-items: start;
    gap: var(--step-2);
  }

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

  .page-products .contact-panel {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    align-items: start;
    gap: var(--step-2);
    padding: 28px 26px;
  }

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

@media (min-width: 1140px) {
  .page-products .model-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

/* ---------- 无障碍与降级 ---------- */
.page-products .model-code:focus-visible,
.page-products .copy-btn:focus-visible,
.page-products a:focus-visible {
  outline: 2px solid var(--ochre-500);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  .page-products .model-card,
  .page-products .model-code {
    transition: none;
  }

  .page-products .model-card:hover,
  .page-products .model-card:focus-within {
    transform: none;
  }
}
<<<END>>>