.page-products {
  --pp-cell: var(--ink-2);
  --pp-cell-hi: var(--ink-3);
  --pp-gap: 1px;
}

.page-products section[id],
.page-products .pp-quarter {
  scroll-margin-top: calc(var(--frame-h) + 56px);
}

/* ---------- Hero ---------- */

.page-products .pp-hero {
  padding-top: 28px;
}

.page-products .pp-hero-box {
  padding: clamp(22px, 4.5vw, 52px);
}

.page-products .pp-hero-title {
  margin: 14px 0 0;
  max-width: 20em;
}

.page-products .pp-hero-lede {
  max-width: 48em;
  margin-top: 18px;
}

.page-products .pp-hero-facts {
  list-style: none;
  margin: 30px 0 0;
  padding: var(--pp-gap);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--pp-gap);
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .pp-hero-facts li {
  background: var(--pp-cell);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-products .pp-fact-num {
  font-family: var(--mono);
  font-size: 21px;
  line-height: 1.2;
  letter-spacing: .02em;
  color: var(--gold);
}

.page-products .pp-fact-label {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--stone);
}

.page-products .pp-hero-actions {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (min-width: 720px) {
  .page-products .pp-hero-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 吸顶章节索引 ---------- */

.page-products .pp-spy-inner {
  display: flex;
  gap: 22px;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-products .pp-spy-inner::-webkit-scrollbar {
  display: none;
}

.page-products .pp-spy-inner a {
  flex: 0 0 auto;
  padding: 12px 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--stone);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-products .pp-spy-inner a:hover,
.page-products .pp-spy-inner a.is-active {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

/* ---------- 品类清单 ---------- */

.page-products .pp-cat-grid {
  align-items: start;
}

.page-products .pp-cat-side {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin-bottom: 26px;
}

.page-products .pp-cat-side-figure {
  flex: 1 1 auto;
  margin: 0;
}

.page-products .pp-cat-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: var(--pp-gap);
  background: var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-products .pp-cat-item {
  background: var(--pp-cell);
  padding: 20px 18px;
  display: flex;
  gap: 14px;
  border-left: 2px solid transparent;
  transition: background 200ms var(--ease), border-color 200ms var(--ease);
}

.page-products .pp-cat-item:hover,
.page-products .pp-cat-item:focus-within {
  background: var(--pp-cell-hi);
  border-left-color: var(--gold);
}

.page-products .pp-cat-code {
  flex: 0 0 auto;
  padding-top: 3px;
  font-size: 13px;
  color: var(--gold);
}

.page-products .pp-cat-item h3 {
  margin: 0 0 6px;
  font-size: 17px;
}

.page-products .pp-cat-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--stone);
}

.page-products .pp-cat-figure {
  margin: 30px 0 0;
}

@media (min-width: 768px) {
  .page-products .pp-cat-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .page-products .pp-cat-side {
    flex-direction: column;
    position: sticky;
    top: calc(var(--frame-h) + 72px);
    margin-bottom: 0;
  }
}

/* ---------- 档位表 ---------- */

.page-products .pp-tier-table {
  width: 100%;
  border-collapse: collapse;
}

.page-products .pp-tier-table th,
.page-products .pp-tier-table td,
.page-products .pp-spec-table th,
.page-products .pp-spec-table td {
  padding: 14px 14px;
  text-align: left;
  vertical-align: top;
  font-size: 14px;
  line-height: 1.7;
  border-bottom: 1px solid var(--line);
}

.page-products .pp-tier-table thead th,
.page-products .pp-spec-table thead th {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .08em;
  color: var(--stone);
  background: var(--pp-cell);
  white-space: nowrap;
}

.page-products .pp-tier-table tbody th,
.page-products .pp-spec-table tbody th {
  font-weight: 700;
  color: var(--gold-mist);
  white-space: nowrap;
}

.page-products .pp-tier-table tbody tr,
.page-products .pp-spec-table tbody tr {
  transition: background 200ms var(--ease);
}

.page-products .pp-tier-table tbody tr:hover,
.page-products .pp-spec-table tbody tr:hover {
  background: var(--pp-cell-hi);
}

.page-products .pp-tier-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 9px;
  border-radius: 50%;
  vertical-align: middle;
}

.page-products .pp-tier-dot--a { background: var(--clay); }
.page-products .pp-tier-dot--b { background: var(--copper); }
.page-products .pp-tier-dot--c { background: var(--gold); }
.page-products .pp-tier-dot--d { background: var(--gold-hi); }

.page-products .pp-tier-lower {
  margin-top: 30px;
  align-items: start;
}

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

@media (min-width: 768px) {
  .page-products .pp-tier-figure {
    position: sticky;
    top: calc(var(--frame-h) + 72px);
  }
}

/* ---------- 档位明细切换 ---------- */

.page-products .pp-tier-detail {
  position: relative;
}

.page-products .pp-tier-detail-title {
  margin: 0 0 12px;
}

.page-products .pp-r {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-products .pp-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--pp-gap);
  padding: var(--pp-gap);
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .pp-tabs label {
  flex: 1 1 130px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 14px;
  background: var(--pp-cell);
  color: var(--stone);
  font-size: 13px;
  letter-spacing: .04em;
  cursor: pointer;
  transition: background 200ms var(--ease), color 200ms var(--ease);
}

.page-products .pp-tabs label:hover {
  color: var(--gold-mist);
}

.page-products .pp-tabs .mono {
  color: var(--gold);
  font-size: 13px;
}

.page-products #pp-r-a:checked ~ .pp-tabs [for="pp-r-a"],
.page-products #pp-r-b:checked ~ .pp-tabs [for="pp-r-b"],
.page-products #pp-r-c:checked ~ .pp-tabs [for="pp-r-c"],
.page-products #pp-r-d:checked ~ .pp-tabs [for="pp-r-d"] {
  background: var(--gold);
  color: var(--ink);
}

.page-products #pp-r-a:checked ~ .pp-tabs [for="pp-r-a"] .mono,
.page-products #pp-r-b:checked ~ .pp-tabs [for="pp-r-b"] .mono,
.page-products #pp-r-c:checked ~ .pp-tabs [for="pp-r-c"] .mono,
.page-products #pp-r-d:checked ~ .pp-tabs [for="pp-r-d"] .mono {
  color: var(--ink);
}

.page-products #pp-r-a:focus-visible ~ .pp-tabs [for="pp-r-a"],
.page-products #pp-r-b:focus-visible ~ .pp-tabs [for="pp-r-b"],
.page-products #pp-r-c:focus-visible ~ .pp-tabs [for="pp-r-c"],
.page-products #pp-r-d:focus-visible ~ .pp-tabs [for="pp-r-d"] {
  outline: 2px solid var(--gold-hi);
  outline-offset: -2px;
}

.page-products .pp-panel {
  display: none;
  background: var(--pp-cell);
  border: 1px solid var(--line);
  border-top: 0;
  padding: 24px 20px;
}

.page-products #pp-r-a:checked ~ .pp-panels .pp-panel--a,
.page-products #pp-r-b:checked ~ .pp-panels .pp-panel--b,
.page-products #pp-r-c:checked ~ .pp-panels .pp-panel--c,
.page-products #pp-r-d:checked ~ .pp-panels .pp-panel--d {
  display: block;
}

.page-products .pp-panel-list {
  margin: 0;
  display: grid;
  gap: 14px;
}

.page-products .pp-panel-list > div {
  display: grid;
  gap: 4px;
  padding-left: 14px;
  border-left: 2px solid var(--copper);
}

.page-products .pp-panel-list dt {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--gold);
}

.page-products .pp-panel-list dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text);
}

/* ---------- 网点规格说明 ---------- */

.page-products .pp-spec-note {
  margin: 22px 0 0;
  padding-left: 16px;
  border-left: 2px solid var(--clay);
  font-size: 14px;
  line-height: 1.8;
  color: var(--stone);
  max-width: 62em;
}

/* ---------- 产线 ---------- */

.page-products .pp-lines-figure {
  margin: 26px 0 0;
}

.page-products .pp-lines {
  margin-top: 22px;
  display: grid;
  gap: var(--pp-gap);
  padding: var(--pp-gap);
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .pp-line {
  background: var(--pp-cell);
  padding: 20px 18px;
}

.page-products .pp-line-code {
  display: inline-block;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--gold);
  padding: 2px 8px;
  border: 1px solid var(--line);
}

.page-products .pp-line h3 {
  margin: 12px 0 6px;
  font-size: 17px;
}

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

.page-products .pp-capacity {
  margin-top: 28px;
  border: 1px solid var(--line);
  background: var(--pp-cell);
  padding: 20px 18px;
}

.page-products .pp-capacity-title {
  margin: 0 0 16px;
  font-size: 14px;
  letter-spacing: .04em;
  color: var(--gold-mist);
}

.page-products .pp-capacity-track {
  position: relative;
  height: 32px;
  background: var(--ink);
  border: 1px solid var(--line);
  overflow: hidden;
}

.page-products .pp-capacity-fill {
  display: block;
  height: 100%;
  width: 60%;
  background: linear-gradient(90deg, var(--copper) 0%, var(--gold) 62%, var(--gold-hi) 100%);
}

.page-products .pp-capacity-track::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(90deg, var(--line) 0 1px, transparent 1px 10%);
  pointer-events: none;
}

.page-products .pp-capacity-scale {
  margin-top: 10px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--stone);
}

@media (min-width: 768px) {
  .page-products .pp-lines {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 季度保养 ---------- */

.page-products .pp-care-grid {
  align-items: start;
}

.page-products .pp-care-figure {
  margin: 24px 0 0;
}

.page-products .pp-quarter-strip {
  display: flex;
  gap: var(--pp-gap);
  padding: var(--pp-gap);
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .pp-quarter-strip a {
  flex: 1 1 0;
  text-align: center;
  padding: 12px 6px;
  background: var(--pp-cell);
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--stone);
  text-decoration: none;
  transition: background 200ms var(--ease), color 200ms var(--ease);
}

.page-products .pp-quarter-strip a:hover,
.page-products .pp-quarter-strip a:focus-visible {
  background: var(--gold);
  color: var(--ink);
}

.page-products .pp-quarters {
  display: grid;
  gap: var(--pp-gap);
  padding: var(--pp-gap);
  background: var(--line);
  border: 1px solid var(--line);
  border-top: 0;
}

.page-products .pp-quarter {
  background: var(--pp-cell);
  padding: 20px 18px;
  border-left: 2px solid transparent;
  transition: border-color 200ms var(--ease), background 200ms var(--ease);
}

.page-products .pp-quarter:hover {
  background: var(--pp-cell-hi);
  border-left-color: var(--copper);
}

.page-products .pp-quarter-head {
  margin: 0 0 8px;
  font-size: 15px;
  color: var(--gold-mist);
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.page-products .pp-quarter-head .mono {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--gold);
}

.page-products .pp-quarter p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--stone);
}

@media (min-width: 720px) {
  .page-products .pp-quarters {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .page-products .pp-care-figure {
    position: sticky;
    top: calc(var(--frame-h) + 72px);
  }
}

/* ---------- 启动流程 ---------- */

.page-products .pp-steps {
  list-style: none;
  counter-reset: ppstep;
  margin: 26px 0 0;
  padding: var(--pp-gap);
  display: grid;
  gap: var(--pp-gap);
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .pp-steps li {
  background: var(--pp-cell);
  padding: 20px 18px;
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
}

.page-products .pp-steps li::before {
  counter-increment: ppstep;
  content: "0" counter(ppstep);
  font-family: var(--mono);
  font-size: 17px;
  line-height: 1.4;
  letter-spacing: .04em;
  color: var(--gold);
}

.page-products .pp-steps h3 {
  margin: 0 0 6px;
  font-size: 16px;
}

.page-products .pp-steps p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--stone);
}

@media (min-width: 900px) {
  .page-products .pp-steps {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
  .page-products .pp-steps li {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* ---------- 下一步 ---------- */

.page-products .pp-next {
  margin-top: 30px;
  padding: clamp(22px, 4vw, 40px);
}

.page-products .pp-next h3 {
  margin: 0 0 12px;
}

.page-products .pp-next .prose {
  max-width: 56em;
  margin: 0;
}

.page-products .pp-next-links {
  margin-top: 22px;
  display: grid;
  gap: 12px;
}

.page-products .pp-next-links a {
  width: fit-content;
  font-size: 14px;
  color: var(--gold-mist);
}

.page-products .pp-next-links a:hover {
  color: var(--gold-hi);
}

@media (min-width: 720px) {
  .page-products .pp-next-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- 窄屏表格转卡片 ---------- */

@media (max-width: 719px) {
  .page-products .data-table-wrap {
    overflow-x: visible;
  }

  .page-products .data-table {
    display: block;
    width: 100%;
  }

  .page-products .data-table thead {
    display: none;
  }

  .page-products .data-table tbody,
  .page-products .data-table tr,
  .page-products .data-table th,
  .page-products .data-table td {
    display: block;
    width: 100%;
  }

  .page-products .data-table tr {
    border: 1px solid var(--line);
    border-bottom: 0;
    background: var(--pp-cell);
    padding: 6px 0;
  }

  .page-products .data-table tr:last-child {
    border-bottom: 1px solid var(--line);
  }

  .page-products .data-table tbody th {
    white-space: normal;
    padding: 14px 16px 10px;
    border-bottom: 1px dashed var(--line);
    color: var(--gold);
  }

  .page-products .data-table td {
    padding: 8px 16px;
    border-bottom: 0;
  }

  .page-products .pp-tier-table td:first-of-type {
    border-left: 0;
  }

  .page-products .data-table td::before {
    content: attr(data-label);
    display: block;
    margin-bottom: 2px;
    font-size: 11px;
    letter-spacing: .08em;
    color: var(--stone);
  }
}

/* ---------- 减少动态 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-cat-item,
  .page-products .pp-tabs label,
  .page-products .pp-quarter,
  .page-products .pp-quarter-strip a,
  .page-products .pp-spy-inner a,
  .page-products .pp-tier-table tbody tr,
  .page-products .pp-spec-table tbody tr {
    transition: none;
  }
}
<<<END>>>
</main>