.page-products {
  --p-gap-sm: 16px;
  --p-gap-md: 24px;
  --p-gap-lg: 40px;
  --p-hair: 1px solid rgba(31, 84, 128, .55);
  --p-hair-light: 1px solid var(--sand);
  position: relative;
  background: var(--ink-deep);
  color: var(--warm);
}

.page-products .crumbs {
  padding-top: 24px;
}

/* ---------- 首屏 ---------- */

.page-products .products-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--p-gap-md);
  padding: 24px 0 8px;
  position: relative;
}

.page-products .products-hero .annot--vertical {
  color: var(--mist);
}

.page-products .products-hero__body h1 {
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: 40px;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0 0 16px;
  color: var(--warm);
}

.page-products .products-hero__lead {
  font-size: 17px;
  line-height: 1.85;
  color: var(--mist);
  max-width: 38em;
  margin: 0;
}

.page-products .products-hero__facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px;
  background: rgba(31, 84, 128, .45);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-products .products-hero__facts li {
  background: var(--ink-archive);
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-products .products-hero__num {
  font-family: var(--font-mono);
  font-size: 34px;
  line-height: 1;
  color: var(--amber);
  letter-spacing: -0.02em;
}

.page-products .products-hero__unit {
  font-size: 13px;
  line-height: 1.5;
  color: var(--mist);
}

/* ---------- 通用注释条 ---------- */

.page-products .products-note {
  margin: 32px 0 0;
  padding: 14px 0 14px 18px;
  border-left: 2px solid var(--amber);
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
  font-family: var(--font-mono);
}

.page-products .section--light .products-note {
  color: #4A4438;
}

.page-products .section--panel .products-note {
  color: var(--mist);
}

/* ---------- 档位 ---------- */

.page-products .tier-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  background: rgba(31, 84, 128, .45);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-products .tier-card {
  background: var(--ink-archive);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: background var(--step) var(--ease), transform var(--step) var(--ease);
}

.page-products .tier-card--focus {
  background: linear-gradient(180deg, rgba(230, 168, 23, .14), transparent 42%), var(--ink-archive);
}

.page-products .tier-card__code {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--amber);
}

.page-products .tier-card__name {
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: 24px;
  line-height: 1.3;
  margin: 0;
  color: var(--warm);
}

.page-products .tier-card__who {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-products .tier-card__spec {
  margin: 4px 0 0;
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: var(--p-hair);
}

.page-products .tier-card__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 0;
  border-bottom: var(--p-hair);
}

.page-products .tier-card__row dt {
  font-size: 13px;
  color: var(--mist);
}

.page-products .tier-card__row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--warm);
  text-align: right;
}

.page-products .tier-visual {
  margin: 48px 0 0;
}

.page-products .tier-visual__frame {
  max-width: 640px;
}

/* ---------- 媒体框 ---------- */

.page-products .media-frame {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--ink-night);
  aspect-ratio: 4 / 3;
}

.page-products .media-frame--wide {
  aspect-ratio: 16 / 9;
}

.page-products .media-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-products .media-caption {
  display: block;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mist);
}

.page-products .section--light .media-caption {
  color: #6A6252;
}

/* ---------- 九个板块抽屉 ---------- */

.page-products .boards {
  align-items: start;
}

.page-products .boards-visual {
  margin: 0;
  position: sticky;
  top: 96px;
}

.page-products .boards-visual__frame {
  aspect-ratio: 9 / 10;
}

.page-products .board-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: var(--p-hair);
}

.page-products .board-item {
  display: grid;
  grid-template-columns: 44px 1fr auto;
  grid-template-areas:
    "num name tag"
    "num desc desc";
  align-items: baseline;
  gap: 4px 14px;
  padding: 20px 0;
  border-bottom: var(--p-hair);
  transition: background var(--step) var(--ease);
}

.page-products .board-item:hover {
  background: rgba(58, 155, 140, .08);
}

.page-products .board-item__num {
  grid-area: num;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--amber);
  letter-spacing: .04em;
  padding-top: 4px;
}

.page-products .board-item__name {
  grid-area: name;
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: 19px;
  line-height: 1.4;
  color: var(--warm);
}

.page-products .board-item__desc {
  grid-area: desc;
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-products .board-item .tag {
  grid-area: tag;
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: 12px;
}

/* ---------- 标签矩阵 ---------- */

.page-products .tag-board {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.page-products .filter-bar {
  flex-wrap: wrap;
}

.page-products .tag-matrix {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px;
  background: rgba(31, 84, 128, .4);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-products .tag-cell {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--ink-archive);
  padding: 13px 14px;
  font-size: 14px;
  line-height: 1.4;
  color: var(--warm);
  transition: background var(--step) var(--ease), color var(--step) var(--ease);
}

.page-products .tag-cell:hover {
  background: var(--ink-index);
}

.page-products .tag-cell__code {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--mist);
  flex: none;
}

.page-products .tag-cell:hover .tag-cell__code {
  color: var(--amber);
}

.page-products .tag-board__empty {
  margin: 0;
  padding: 20px;
  border: 1px dashed var(--ink-index);
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--mist);
  text-align: center;
}

.page-products .tag-visual {
  margin: 40px 0 0;
}

.page-products .tag-visual__frame {
  max-width: 620px;
}

/* ---------- 权益对照表 ---------- */

.page-products .rights-visual {
  margin: 0 0 32px;
}

.page-products .compare-scroll {
  overflow-x: auto;
  border-radius: var(--radius);
  border: var(--p-hair-light);
  background: var(--warm);
  -webkit-overflow-scrolling: touch;
}

.page-products .compare-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 15px;
  color: var(--black);
}

.page-products .compare-table__caption {
  caption-side: top;
  text-align: left;
  padding: 16px 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: #6A6252;
  border-bottom: var(--p-hair-light);
}

.page-products .compare-table thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--ink-archive);
  color: var(--warm);
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: 15px;
  text-align: left;
  padding: 14px 18px;
  border-bottom: 2px solid var(--amber);
}

.page-products .compare-table tbody th {
  text-align: left;
  font-weight: 400;
  font-size: 14px;
  color: #4A4438;
  padding: 14px 18px;
  border-bottom: var(--p-hair-light);
  white-space: nowrap;
}

.page-products .compare-table tbody td {
  padding: 14px 18px;
  border-bottom: var(--p-hair-light);
  font-family: var(--font-mono);
  font-size: 14px;
  vertical-align: top;
}

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

.page-products .compare-table tbody tr {
  transition: background var(--step) var(--ease);
}

.page-products .compare-table tbody tr:hover {
  background: rgba(58, 155, 140, .12);
}

.page-products .compare-table tbody tr:hover th {
  background: rgba(230, 168, 23, .16);
}

.page-products .compare-table__pick {
  color: var(--ink-archive);
  font-weight: 600;
}

/* ---------- 版本回溯 ---------- */

.page-products .versions {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  background: rgba(31, 84, 128, .4);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-products .versions__item {
  background: var(--ink-archive);
  padding: 24px 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  border-left: 3px solid var(--ink-index);
  transition: border-color var(--step) var(--ease);
}

.page-products .versions__item:hover {
  border-left-color: var(--celadon);
}

.page-products .versions__stamp {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--amber);
}

.page-products .versions__name {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: 20px;
  line-height: 1.35;
  color: var(--warm);
}

.page-products .versions__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 查询路径 ---------- */

.page-products .steps-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: start;
}

.page-products .steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
  counter-reset: step;
}

.page-products .steps__item {
  position: relative;
  padding: 20px 0 20px 56px;
  border-bottom: var(--p-hair);
}

.page-products .steps__item:first-child {
  border-top: var(--p-hair);
}

.page-products .steps__num {
  position: absolute;
  left: 0;
  top: 22px;
  font-family: var(--font-mono);
  font-size: 22px;
  color: var(--celadon);
  letter-spacing: -0.02em;
}

.page-products .steps__name {
  margin: 0 0 6px;
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: 19px;
  line-height: 1.4;
  color: var(--warm);
}

.page-products .steps__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-products .steps-visual {
  margin: 0;
}

.page-products .steps-visual__frame {
  aspect-ratio: 10 / 7;
}

/* ---------- 结尾动作条 ---------- */

.page-products .products-cta {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: center;
  padding: 32px 26px;
  border: var(--p-hair);
  border-left: 3px solid var(--amber);
  border-radius: var(--radius);
  background: var(--ink-archive);
}

.page-products .products-cta__title {
  margin: 0 0 10px;
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: 24px;
  line-height: 1.35;
  color: var(--warm);
}

.page-products .products-cta__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

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

/* ---------- 焦点可达性 ---------- */

.page-products a:focus-visible,
.page-products button:focus-visible {
  outline: 2px solid var(--celadon);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- 平板 ---------- */

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

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

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

  .page-products .products-cta {
    grid-template-columns: 1fr auto;
    padding: 36px 32px;
  }
}

/* ---------- 桌面 ---------- */

@media (min-width: 960px) {
  .page-products .products-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    grid-template-areas:
      "body facts"
      "body facts";
    align-items: end;
    gap: 56px;
    padding: 40px 0 16px;
  }

  .page-products .products-hero .annot--vertical {
    grid-column: 1 / -1;
    margin-bottom: 8px;
  }

  .page-products .products-hero__body {
    grid-area: body;
  }

  .page-products .products-hero__body h1 {
    font-size: 56px;
  }

  .page-products .products-hero__facts {
    grid-area: facts;
    align-self: end;
  }

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

  .page-products .boards {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: 48px;
  }

  .page-products .board-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 40px;
  }

  .page-products .board-item {
    padding: 22px 0;
  }

  .page-products .tag-matrix {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .steps-layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 64px;
  }

  .page-products .steps-visual {
    position: sticky;
    top: 96px;
  }

  .page-products .compare-table {
    min-width: 100%;
  }
}

@media (min-width: 1200px) {
  .page-products .tag-matrix {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-products .products-hero__body h1 {
    font-size: 60px;
  }
}

/* ---------- 降级：表头不吸顶 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-products .media-frame img,
  .page-products .tier-card,
  .page-products .board-item,
  .page-products .tag-cell,
  .page-products .compare-table tbody tr,
  .page-products .versions__item {
    transition: none;
  }
}
<<<END>>>