.page-products .prod-hero {
  margin-top: calc(-1 * var(--header-h));
  padding: calc(var(--header-h) + 20px) 0 44px;
  background:
    radial-gradient(120% 100% at 100% 0%, rgba(179, 38, 30, 0.12), transparent 62%),
    linear-gradient(180deg, var(--paper-deep) 0%, var(--paper) 100%);
  border-bottom: 3px solid var(--ink);
}

.page-products .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: var(--ink-soft);
}

.page-products .breadcrumb-list li + li::before {
  content: "/";
  margin-right: 6px;
  color: var(--mist);
}

.page-products .breadcrumb-link {
  color: var(--red);
  text-decoration: none;
  border-bottom: 1px solid rgba(179, 38, 30, 0.4);
}

.page-products .breadcrumb-link:hover {
  border-bottom-color: var(--red);
}

.page-products .prod-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  align-items: end;
}

.page-products .prod-hero-title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 7.6vw, 62px);
  line-height: 1.1;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-products .prod-hero-copy .lede {
  margin: 18px 0 0;
  max-width: 54ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-products .prod-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-products .prod-hero-actions .btn {
  text-decoration: none;
  cursor: pointer;
}

.page-products .prod-hero-facts {
  margin: 26px 0 0;
  padding: 16px 0 0;
  list-style: none;
  border-top: 1px solid var(--line-strong);
  display: grid;
  gap: 8px;
  font-size: 14px;
  color: var(--ink-soft);
}

.page-products .prod-hero-facts .num {
  font-size: 20px;
  color: var(--red);
  margin-right: 4px;
}

.page-products .prod-hero-visual {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: end;
}

.page-products .prod-hero-figure {
  margin: 0;
  border: 3px solid var(--ink);
  background: var(--cream);
  box-shadow: var(--shadow-hard);
  transform: rotate(-0.8deg);
}

.page-products .prod-hero-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-products .prod-hero-figure figcaption {
  padding: 8px 12px;
  font-size: 12px;
  color: var(--ink-soft);
  border-top: 2px solid var(--ink);
  background: var(--paper-deep);
}

.page-products .vertical-note {
  align-self: end;
  writing-mode: vertical-rl;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gold-dark);
  padding-bottom: 6px;
}

/* ---------- 工具台 ---------- */

.page-products .prod-tools {
  padding-top: 52px;
}

.page-products .tool-shell {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  margin-top: 28px;
}

.page-products .tool-radio,
.page-products .tier-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.page-products .tool-rail {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  align-content: start;
}

.page-products .tool-rail-title {
  grid-column: 1 / -1;
  margin: 0 0 2px;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--gold-dark);
}

.page-products .tool-tab {
  display: grid;
  gap: 2px;
  padding: 12px 14px;
  border: 2px solid var(--line-strong);
  background: var(--cream);
  color: var(--ink);
  cursor: pointer;
  transition: background 160ms ease, color 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.page-products .tool-tab:hover {
  border-color: var(--gold);
}

.page-products .tool-tab-num {
  font-size: 11px;
  color: var(--gold-dark);
  letter-spacing: 0.12em;
}

.page-products .tool-tab-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: 0.02em;
}

.page-products .tool-tab-meta {
  font-size: 11.5px;
  color: var(--ink-soft);
  opacity: 0.85;
}

.page-products #tool-besti:checked ~ .tool-rail .tool-tab[for="tool-besti"],
.page-products #tool-record:checked ~ .tool-rail .tool-tab[for="tool-record"],
.page-products #tool-rank:checked ~ .tool-rail .tool-tab[for="tool-rank"],
.page-products #tool-list:checked ~ .tool-rail .tool-tab[for="tool-list"] {
  background: var(--red);
  border-color: var(--red-deep);
  box-shadow: var(--shadow-hard);
  transform: translate(-2px, -2px);
}

.page-products #tool-besti:checked ~ .tool-rail .tool-tab[for="tool-besti"] .tool-tab-text,
.page-products #tool-record:checked ~ .tool-rail .tool-tab[for="tool-record"] .tool-tab-text,
.page-products #tool-rank:checked ~ .tool-rail .tool-tab[for="tool-rank"] .tool-tab-text,
.page-products #tool-list:checked ~ .tool-rail .tool-tab[for="tool-list"] .tool-tab-text {
  color: var(--cream);
}

.page-products #tool-besti:checked ~ .tool-rail .tool-tab[for="tool-besti"] .tool-tab-num,
.page-products #tool-record:checked ~ .tool-rail .tool-tab[for="tool-record"] .tool-tab-num,
.page-products #tool-rank:checked ~ .tool-rail .tool-tab[for="tool-rank"] .tool-tab-num,
.page-products #tool-list:checked ~ .tool-rail .tool-tab[for="tool-list"] .tool-tab-num,
.page-products #tool-besti:checked ~ .tool-rail .tool-tab[for="tool-besti"] .tool-tab-meta,
.page-products #tool-record:checked ~ .tool-rail .tool-tab[for="tool-record"] .tool-tab-meta,
.page-products #tool-rank:checked ~ .tool-rail .tool-tab[for="tool-rank"] .tool-tab-meta,
.page-products #tool-list:checked ~ .tool-rail .tool-tab[for="tool-list"] .tool-tab-meta {
  color: var(--red-soft);
  opacity: 1;
}

.page-products #tool-besti:focus-visible ~ .tool-rail .tool-tab[for="tool-besti"],
.page-products #tool-record:focus-visible ~ .tool-rail .tool-tab[for="tool-record"],
.page-products #tool-rank:focus-visible ~ .tool-rail .tool-tab[for="tool-rank"],
.page-products #tool-list:focus-visible ~ .tool-rail .tool-tab[for="tool-list"] {
  outline: 3px solid var(--gold-dark);
  outline-offset: 2px;
}

.page-products .tool-stage {
  min-width: 0;
}

.page-products .tool-panel {
  display: none;
  border: 3px solid var(--ink);
  background: var(--cream);
  box-shadow: var(--shadow-hard);
  padding: 22px 16px 26px;
}

.page-products #tool-besti:checked ~ .tool-stage .panel-besti,
.page-products #tool-record:checked ~ .tool-stage .panel-record,
.page-products #tool-rank:checked ~ .tool-stage .panel-rank,
.page-products #tool-list:checked ~ .tool-stage .panel-list {
  display: block;
}

.page-products .panel-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 4.4vw, 29px);
  line-height: 1.32;
  letter-spacing: 0.01em;
  color: var(--ink);
}

.page-products .panel-lede {
  margin: 12px 0 22px;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-products .prod-figure {
  margin: 0 0 24px;
  border: 2px solid var(--ink);
  background: var(--paper-deep);
  overflow: hidden;
}

.page-products .prod-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 图鉴 ---------- */

.page-products .grade-strip {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-products .grade-card {
  border: 2px solid var(--ink);
  border-left: 6px solid var(--red);
  background: var(--paper);
  padding: 14px 14px 16px;
}

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

.page-products .grade-count {
  font-size: 13px;
  color: var(--jade);
  background: var(--jade-light);
  padding: 2px 8px;
  border: 1px solid rgba(20, 107, 92, 0.35);
}

.page-products .grade-audience {
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--ink-soft);
}

.page-products .grade-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .grade-list li {
  font-size: 12px;
  padding: 3px 8px;
  background: var(--cream);
  border: 1px solid var(--line-strong);
  color: var(--ink-soft);
}

.page-products .tips-block {
  margin-top: 24px;
  padding: 16px 16px 18px;
  background: var(--paper-deep);
  border-top: 3px solid var(--gold);
}

.page-products .tips-title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--red-deep);
}

.page-products .tips-list {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 8px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-products .tips-list strong {
  color: var(--ink);
  font-weight: 700;
}

/* ---------- 表格 ---------- */

.page-products .table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 2px solid var(--ink);
  background: var(--cream);
  box-shadow:
    inset -14px 0 12px -12px rgba(36, 28, 23, 0.5),
    inset 14px 0 12px -12px rgba(36, 28, 23, 0.32);
}

.page-products .ledger {
  width: 100%;
  min-width: 600px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .ledger th,
.page-products .ledger td {
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
  line-height: 1.6;
}

.page-products .ledger thead th {
  background: var(--paper-deep);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 13.5px;
  letter-spacing: 0.04em;
  color: var(--ink);
  border-bottom: 2px solid var(--ink);
  white-space: nowrap;
}

.page-products .ledger tbody th {
  font-weight: 700;
  color: var(--ink);
  white-space: nowrap;
  position: sticky;
  left: 0;
  background: var(--cream);
  z-index: 1;
  border-right: 1px solid var(--line);
}

.page-products .ledger tbody tr:nth-child(even) td {
  background: rgba(239, 228, 206, 0.5);
}

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

.page-products .ledger .num {
  font-size: 13.5px;
  color: var(--ink);
  white-space: nowrap;
}

/* ---------- 记录卡 ---------- */

.page-products .record-list {
  display: grid;
  gap: 12px;
  margin-top: 22px;
}

.page-products .record-card {
  border: 2px solid var(--ink);
  background: var(--cream);
  box-shadow: 4px 4px 0 rgba(36, 28, 23, 0.14);
}

.page-products .record-card[open] {
  border-color: var(--red-deep);
}

.page-products .record-summary {
  display: grid;
  gap: 6px;
  padding: 14px 14px;
  cursor: pointer;
  list-style: none;
}

.page-products .record-summary::-webkit-details-marker {
  display: none;
}

.page-products .record-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.page-products .record-id {
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--ink);
}

.page-products .record-tag {
  font-size: 11.5px;
  padding: 2px 7px;
  background: var(--paper-deep);
  border: 1px solid var(--line-strong);
  color: var(--ink-soft);
}

.page-products .record-title {
  font-family: var(--font-display);
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
}

.page-products .record-body {
  padding: 0 14px 16px;
  border-top: 1px dashed var(--line-strong);
}

.page-products .record-detail {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  margin: 14px 0 0;
}

.page-products .record-detail > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 6px;
  border-bottom: 1px dashed var(--line);
}

.page-products .record-detail dt {
  font-size: 13px;
  color: var(--ink-soft);
}

.page-products .record-detail dd {
  margin: 0;
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
}

.page-products .record-note {
  margin: 14px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* ---------- 段位阶梯 ---------- */

.page-products .ladder {
  display: grid;
  gap: 7px;
  margin: 0 0 24px;
  padding: 16px 14px;
  background: var(--paper-deep);
  border-left: 5px solid var(--gold);
}

.page-products .ladder-row {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  align-items: center;
  gap: 10px;
}

.page-products .ladder-name {
  font-family: var(--font-display);
  font-size: 12.5px;
  font-weight: 700;
  color: var(--ink-soft);
}

.page-products .ladder-track {
  display: block;
  height: 14px;
  background: rgba(36, 28, 23, 0.08);
}

.page-products .ladder-bar {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--red) 0%, var(--orange) 100%);
}

.page-products .ladder-row:nth-child(1) .ladder-bar { width: 14%; }
.page-products .ladder-row:nth-child(2) .ladder-bar { width: 28%; }
.page-products .ladder-row:nth-child(3) .ladder-bar { width: 42%; }
.page-products .ladder-row:nth-child(4) .ladder-bar { width: 56%; }
.page-products .ladder-row:nth-child(5) .ladder-bar { width: 72%; }
.page-products .ladder-row:nth-child(6) .ladder-bar { width: 87%; }
.page-products .ladder-row:nth-child(7) .ladder-bar { width: 100%; }

.page-products .rank-note {
  margin: 18px 0 0;
  padding: 14px 16px;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--ink-soft);
  background: var(--jade-light);
  border-left: 4px solid var(--jade);
}

/* ---------- 适配清单 ---------- */

.page-products .tier-panel {
  position: relative;
}

.page-products .tier-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 14px;
}

.page-products .tier-chips .chip {
  cursor: pointer;
  border: 2px solid var(--line-strong);
  background: var(--paper);
  color: var(--ink-soft);
  padding: 6px 12px;
  font-size: 13px;
  transition: background 160ms ease, color 160ms ease, border-color 160ms ease;
}

.page-products #tier-all:checked ~ .tier-chips .chip[for="tier-all"],
.page-products #tier-entry:checked ~ .tier-chips .chip[for="tier-entry"],
.page-products #tier-main:checked ~ .tier-chips .chip[for="tier-main"],
.page-products #tier-pro:checked ~ .tier-chips .chip[for="tier-pro"] {
  background: var(--red);
  border-color: var(--red-deep);
  color: var(--cream);
}

.page-products #tier-all:focus-visible ~ .tier-chips .chip[for="tier-all"],
.page-products #tier-entry:focus-visible ~ .tier-chips .chip[for="tier-entry"],
.page-products #tier-main:focus-visible ~ .tier-chips .chip[for="tier-main"],
.page-products #tier-pro:focus-visible ~ .tier-chips .chip[for="tier-pro"] {
  outline: 3px solid var(--gold-dark);
  outline-offset: 2px;
}

.page-products #tier-entry:checked ~ .tier-scroll .tier-ledger tbody tr:not([data-tier="entry"]),
.page-products #tier-main:checked ~ .tier-scroll .tier-ledger tbody tr:not([data-tier="main"]),
.page-products #tier-pro:checked ~ .tier-scroll .tier-ledger tbody tr:not([data-tier="pro"]) {
  display: none;
}

.page-products .tier-ledger {
  min-width: 680px;
}

.page-products .tier-ledger td:last-child {
  white-space: nowrap;
  color: var(--jade);
  font-weight: 600;
}

.page-products .claim-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin-top: 22px;
}

.page-products .claim-card {
  padding: 14px 16px 16px;
  background: var(--paper);
  border: 2px solid var(--ink);
  border-top: 5px solid var(--gold);
}

.page-products .claim-title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
}

.page-products .claim-card p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-products .claim-note {
  margin: 14px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-products .claim-note a {
  color: var(--red);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid rgba(179, 38, 30, 0.45);
}

.page-products .claim-note a:hover {
  border-bottom-color: var(--red);
}

/* ---------- 三步上手 ---------- */

.page-products .prod-order {
  margin-top: 56px;
  padding: 48px 0 52px;
  background: var(--ink);
  color: var(--paper);
  border-top: 4px solid var(--gold);
  border-bottom: 4px solid var(--gold);
}

.page-products .prod-order .section-kicker {
  color: var(--gold);
}

.page-products .prod-order .section-title {
  color: var(--cream);
}

.page-products .prod-order .lede {
  color: rgba(246, 238, 223, 0.82);
}

.page-products .order-steps {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(201, 154, 46, 0.45);
}

.page-products .order-step {
  padding: 20px 0 22px;
  border-bottom: 1px solid rgba(201, 154, 46, 0.45);
}

.page-products .order-num {
  display: block;
  font-size: 24px;
  color: var(--gold);
  letter-spacing: 0.06em;
}

.page-products .order-title {
  margin: 6px 0 8px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--cream);
}

.page-products .order-step p {
  margin: 0;
  max-width: 40ch;
  font-size: 14px;
  line-height: 1.85;
  color: rgba(246, 238, 223, 0.78);
}

.page-products .prod-order-figure {
  margin: 30px 0 0;
  border: 2px solid var(--gold);
  background: rgba(255, 251, 243, 0.06);
}

.page-products .prod-order-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 延伸入口 ---------- */

.page-products .prod-extend {
  padding-top: 52px;
  padding-bottom: 56px;
}

.page-products .extend-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin-top: 26px;
}

.page-products .extend-card {
  padding: 16px 16px 18px;
  background: var(--cream);
  border: 2px solid var(--ink);
  box-shadow: 4px 4px 0 rgba(36, 28, 23, 0.12);
  display: flex;
  flex-direction: column;
}

.page-products .extend-title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--red-deep);
}

.page-products .extend-text {
  margin: 0 0 14px;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--ink-soft);
  flex: 1 1 auto;
}

.page-products .extend-link {
  align-self: flex-start;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 2px solid var(--gold);
  padding-bottom: 2px;
}

.page-products .extend-link:hover {
  color: var(--red);
  border-bottom-color: var(--red);
}

@media (min-width: 640px) {
  .page-products .grade-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

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

  .page-products .order-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-bottom: 1px solid rgba(201, 154, 46, 0.45);
  }

  .page-products .order-step {
    padding: 22px 18px 24px;
    border-bottom: 0;
    border-right: 1px solid rgba(201, 154, 46, 0.45);
  }

  .page-products .order-step:last-child {
    border-right: 0;
  }
}

@media (min-width: 900px) {
  .page-products .prod-hero {
    padding-bottom: 56px;
  }

  .page-products .prod-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 40px;
  }

  .page-products .prod-hero-copy .lede {
    font-size: 17px;
  }

  .page-products .tool-panel {
    padding: 28px 26px 32px;
  }

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

@media (min-width: 960px) {
  .page-products .tool-shell {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 32px;
    align-items: start;
  }

  .page-products .tool-rail {
    position: sticky;
    top: calc(var(--header-h) + 16px);
    display: flex;
    flex-direction: column;
    gap: 10px;
  }

  .page-products .tool-rail-title {
    margin-bottom: 4px;
  }

  .page-products .tool-tab {
    padding: 14px 16px;
  }

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

  .page-products .grade-list li {
    font-size: 11.5px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .tool-tab,
  .page-products .tier-chips .chip {
    transition: none;
  }

  .page-products #tool-besti:checked ~ .tool-rail .tool-tab[for="tool-besti"],
  .page-products #tool-record:checked ~ .tool-rail .tool-tab[for="tool-record"],
  .page-products #tool-rank:checked ~ .tool-rail .tool-tab[for="tool-rank"],
  .page-products #tool-list:checked ~ .tool-rail .tool-tab[for="tool-list"] {
    transform: none;
  }

  .page-products .prod-hero-figure {
    transform: none;
  }
}
<<<END>>>