.page-products {
  --pp-hair: rgba(42, 50, 60, 0.85);
  --pp-hair-soft: rgba(42, 50, 60, 0.5);
  --pp-cell-bg: rgba(20, 26, 33, 0.72);
  --pp-tier-1: #4FBF9F;
  --pp-tier-2: #8FC58C;
  --pp-tier-3: #C8A24A;
  --pp-tier-4: #D4765F;
  --pp-tier-5: #DE5385;
  --pp-tier-6: #E0457B;
}

/* ---------- 首屏 ---------- */

.page-products__hero {
  padding-top: 26px;
}

.page-products .crumbs {
  margin-bottom: 30px;
}

.page-products__hero-grid {
  display: grid;
  gap: 32px;
}

.page-products__title {
  margin: 14px 0 18px;
  font-family: var(--font-display);
  font-size: clamp(1.95rem, 7.4vw, 3.7rem);
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--mist-200);
}

.page-products__title-em {
  color: var(--gold-300);
  font-variant-numeric: tabular-nums;
}

.page-products__hero-lede .lead {
  max-width: 62ch;
  color: var(--mist-200);
}

.page-products__keyline {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  border-top: 1px solid var(--pp-hair);
}

.page-products__keyline li {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  align-items: baseline;
  padding: 11px 0;
  border-bottom: 1px solid var(--pp-hair);
  font-size: 0.86rem;
  line-height: 1.6;
  color: var(--mist-400);
}

.page-products__keyline .num {
  min-width: 66px;
  color: var(--gold-500);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
}

.page-products__hero-figure {
  margin: 0;
}

.page-products__hero-figure .media {
  border: 1px solid var(--pp-hair);
}

.page-products__hero-figure figcaption,
.page-products__split-figure figcaption,
.page-products__settle-figure figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  line-height: 1.7;
  color: var(--mist-400);
}

/* ---------- 分类矩阵 ---------- */

.page-products__matrix-section {
  position: relative;
  isolation: isolate;
}

.page-products__matrix-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
  opacity: 0.14;
}

.page-products__matrix-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.55) contrast(1.05);
}

.page-products__matrix-section > .wrap {
  position: relative;
  z-index: 1;
}

.page-products__matrix {
  display: grid;
  gap: 22px;
  margin-top: 34px;
}

.page-products__index-cap {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--mist-400);
}

.page-products__index-list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-products__index-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  white-space: nowrap;
  padding: 7px 11px;
  border: 1px solid var(--pp-hair);
  border-radius: 2px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist-400);
  text-decoration: none;
  transition: color 240ms var(--ease), border-color 240ms var(--ease), background 240ms var(--ease);
}

.page-products__index-link .num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--jade-400);
}

.page-products__index-link:hover,
.page-products__index-link:focus-visible {
  color: var(--gold-300);
  border-color: var(--gold-500);
  background: rgba(200, 162, 74, 0.06);
}

.page-products__grid {
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--pp-hair);
  border-left: 1px solid var(--pp-hair);
}

.cat-cell {
  padding: 18px 16px 16px;
  border-right: 1px solid var(--pp-hair);
  border-bottom: 1px solid var(--pp-hair);
  background: var(--pp-cell-bg);
  scroll-margin-top: calc(var(--head-h) + 24px);
  transition: background 300ms var(--ease), box-shadow 300ms var(--ease);
}

.cat-cell:hover {
  background: var(--ink-700);
  box-shadow: inset 0 0 0 1px rgba(42, 50, 60, 0.9);
}

.cat-cell:target {
  background: linear-gradient(180deg, rgba(200, 162, 74, 0.12), rgba(20, 26, 33, 0.94));
  box-shadow: inset 0 0 0 1px rgba(200, 162, 74, 0.4);
}

.cat-cell__no {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mist-400);
}

.cat-cell__no .num {
  color: var(--gold-500);
  font-size: 12px;
  margin-right: 6px;
}

.cat-cell__title {
  margin: 0 0 8px;
  font-size: 1.04rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--mist-200);
}

.cat-cell__desc {
  margin: 0 0 13px;
  font-size: 0.845rem;
  line-height: 1.78;
  color: var(--mist-400);
}

.cat-cell__tags {
  border-top: 1px dashed var(--pp-hair-soft);
  padding-top: 10px;
}

.cat-cell__tags summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  color: var(--jade-400);
}

.cat-cell__tags summary::-webkit-details-marker {
  display: none;
}

.cat-cell__tags summary::after {
  content: "+";
  font-size: 13px;
  line-height: 1;
  color: var(--mist-400);
}

.cat-cell__tags[open] summary::after {
  content: "−";
  color: var(--gold-300);
}

.cat-cell__tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 11px 0 0;
  padding: 0;
  list-style: none;
}

/* ---------- 六档横向区 ---------- */

.page-products__tiers-banner {
  margin: 30px 0 22px;
}

.page-products__tiers-banner .media {
  border: 1px solid var(--pp-hair);
}

.page-products__tier-rail {
  outline: none;
}

.page-products__tier-rail:focus-visible {
  outline: 2px solid var(--magenta-500);
  outline-offset: 6px;
}

.page-products__tier-track {
  display: flex;
  gap: 14px;
  padding-bottom: 10px;
  scroll-snap-type: x proximity;
}

.tier-card {
  flex: 0 0 auto;
  min-width: 236px;
  max-width: 280px;
  display: flex;
  flex-direction: column;
  gap: 11px;
  padding: 18px 16px 20px;
  border: 1px solid var(--pp-hair);
  background: var(--ink-700);
  scroll-snap-align: start;
  transition: border-color 260ms var(--ease), box-shadow 260ms var(--ease);
}

.tier-card:hover {
  border-color: rgba(200, 162, 74, 0.55);
  box-shadow: inset 0 0 0 1px rgba(200, 162, 74, 0.18);
}

.tier-card__code {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--gold-500);
}

.tier-card__name {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--mist-200);
}

.tier-card__scale {
  height: 4px;
  background: rgba(42, 50, 60, 0.9);
  overflow: hidden;
}

.tier-card__scale span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--tier-c, var(--jade-400)), rgba(200, 162, 74, 0.35));
}

.page-products__tier-track > .tier-card:nth-child(1) { --tier-c: var(--pp-tier-1); }
.page-products__tier-track > .tier-card:nth-child(2) { --tier-c: var(--pp-tier-2); }
.page-products__tier-track > .tier-card:nth-child(3) { --tier-c: var(--pp-tier-3); }
.page-products__tier-track > .tier-card:nth-child(4) { --tier-c: var(--pp-tier-4); }
.page-products__tier-track > .tier-card:nth-child(5) { --tier-c: var(--pp-tier-5); }
.page-products__tier-track > .tier-card:nth-child(6) { --tier-c: var(--pp-tier-6); }

.page-products__tier-track > .tier-card:nth-child(1) .tier-card__scale span { width: 16%; }
.page-products__tier-track > .tier-card:nth-child(2) .tier-card__scale span { width: 32%; }
.page-products__tier-track > .tier-card:nth-child(3) .tier-card__scale span { width: 49%; }
.page-products__tier-track > .tier-card:nth-child(4) .tier-card__scale span { width: 66%; }
.page-products__tier-track > .tier-card:nth-child(5) .tier-card__scale span { width: 82%; }
.page-products__tier-track > .tier-card:nth-child(6) .tier-card__scale span { width: 100%; }

.tier-card__meta {
  margin: 0;
  display: grid;
  gap: 4px;
}

.tier-card__meta dt {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--mist-400);
}

.tier-card__meta dd {
  margin: 0 0 8px;
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--mist-200);
}

.tier-card__meta dd:last-child {
  margin-bottom: 0;
}

/* ---------- 牌路筛选 ---------- */

.page-products__split {
  display: grid;
  gap: 30px;
}

.page-products__split-figure {
  margin: 0;
}

.page-products__split-figure .media {
  border: 1px solid var(--pp-hair);
}

.page-products__paths {
  display: grid;
  gap: 14px;
  margin-top: 26px;
}

.path-card {
  padding: 18px 16px 20px;
  border: 1px solid var(--pp-hair);
  border-left: 2px solid var(--jade-400);
  background: rgba(13, 17, 22, 0.75);
}

.path-card:last-child {
  border-left-color: var(--magenta-500);
}

.path-card__label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  color: var(--mist-400);
}

.path-card:last-child .path-card__label .num {
  color: var(--magenta-500);
}

.path-card__label .num {
  color: var(--jade-400);
}

.path-card__title {
  margin: 0 0 12px;
  font-size: 1rem;
  font-weight: 500;
  color: var(--mist-200);
}

.path-card__steps {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 8px;
  font-size: 0.84rem;
  line-height: 1.75;
  color: var(--mist-400);
}

/* ---------- 偏好同步 ---------- */

.page-products__steps {
  list-style: none;
  margin: 34px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--pp-hair);
}

.pp-step {
  display: grid;
  gap: 6px;
  padding: 20px 0;
  border-bottom: 1px solid var(--pp-hair);
}

.pp-step__no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--gold-500);
}

.pp-step__title {
  margin: 0;
  font-size: 1rem;
  font-weight: 500;
  color: var(--mist-200);
}

.pp-step__desc {
  margin: 0;
  font-size: 0.845rem;
  line-height: 1.78;
  color: var(--mist-400);
  max-width: 68ch;
}

.page-products__sync-note {
  margin: 22px 0 0;
  padding: 16px 18px;
  border: 1px solid var(--pp-hair);
  border-left: 2px solid var(--gold-500);
  background: rgba(20, 26, 33, 0.7);
  font-size: 0.84rem;
  line-height: 1.78;
  color: var(--mist-200);
  max-width: 72ch;
}

/* ---------- 表格 ---------- */

.page-products__table-scroll {
  margin-top: 30px;
  overflow-x: auto;
  border: 1px solid var(--pp-hair);
  -webkit-overflow-scrolling: touch;
}

.pp-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 0.83rem;
  line-height: 1.7;
}

.pp-table__caption {
  padding: 12px 14px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  color: var(--mist-400);
  border-bottom: 1px solid var(--pp-hair);
}

.pp-table th,
.pp-table td {
  padding: 13px 14px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--pp-hair-soft);
}

.pp-table thead th {
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--mist-400);
  background: rgba(13, 17, 22, 0.9);
  white-space: nowrap;
}

.pp-table tbody th {
  font-weight: 500;
  color: var(--gold-300);
  white-space: nowrap;
}

.pp-table tbody td {
  color: var(--mist-400);
}

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

.pp-table__row--ratio th,
.pp-table__row--ratio td {
  background: rgba(200, 162, 74, 0.075);
}

.pp-table__row--ratio td {
  color: var(--mist-200);
}

.pp-table__num-col {
  text-align: right;
}

.pp-table__num-col .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  font-size: 0.8rem;
  color: var(--gold-300);
}

.pp-table--compare tbody td:last-child {
  color: var(--mist-200);
}

.page-products__settle-figure {
  margin: 26px 0 0;
}

.page-products__settle-figure .media {
  border: 1px solid var(--pp-hair);
}

/* ---------- 延伸入口 ---------- */

.page-products__next-list {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--pp-hair);
}

.next-link {
  display: grid;
  gap: 6px;
  padding: 18px 0;
  border-bottom: 1px solid var(--pp-hair);
}

.next-link__anchor {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--mist-200);
  text-decoration: none;
  transition: color 240ms var(--ease);
}

.next-link__anchor::before {
  content: "→ ";
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--jade-400);
  transition: color 240ms var(--ease);
}

.next-link__anchor:hover,
.next-link__anchor:focus-visible {
  color: var(--gold-300);
}

.next-link__anchor:hover::before,
.next-link__anchor:focus-visible::before {
  color: var(--magenta-500);
}

.next-link__desc {
  margin: 0;
  font-size: 0.83rem;
  line-height: 1.75;
  color: var(--mist-400);
  max-width: 64ch;
}

.page-products__back {
  margin: 32px 0 0;
}

/* ---------- 响应式 ---------- */

@media (min-width: 768px) {
  .page-products__hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
    gap: 40px;
  }

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

  .page-products__paths {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .page-products__steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    border-top: 1px solid var(--pp-hair);
    column-gap: 32px;
  }

  .page-products__next-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 32px;
  }

  .pp-step {
    border-bottom: 1px solid var(--pp-hair);
  }
}

@media (min-width: 1024px) {
  .page-products__matrix {
    grid-template-columns: 156px minmax(0, 1fr);
    gap: 30px;
    align-items: start;
  }

  .page-products__index-cap {
    padding-bottom: 8px;
    border-bottom: 1px solid var(--pp-hair);
  }

  .page-products__index-list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-products__index-rail {
    position: sticky;
    top: calc(var(--head-h) + 26px);
  }

  .page-products__index-link {
    display: flex;
    border: 0;
    border-bottom: 1px solid var(--pp-hair);
    border-radius: 0;
    padding: 9px 0;
    background: transparent;
  }

  .page-products__index-link:hover,
  .page-products__index-link:focus-visible {
    background: transparent;
  }

  .page-products__split {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 40px;
    align-items: start;
  }

  .page-products__sync .page-products__steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    column-gap: 28px;
  }

  .page-products__next-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    column-gap: 24px;
  }

  .tier-card {
    min-width: 262px;
  }
}

@media (min-width: 1280px) {
  .page-products__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .cat-cell,
  .tier-card,
  .page-products__index-link,
  .next-link__anchor {
    transition: none;
  }
}