.page-products {
  --prod-line: var(--metal);
  --prod-gap: clamp(16px, 3vw, 30px);
  --prod-side: 264px;
  background: var(--ink);
  color: var(--mist);
  font-family: var(--font-sans);
  padding-bottom: clamp(40px, 6vw, 72px);
}

.page-products .hb-crumb {
  padding-top: 16px;
}

/* ---------- 首屏 ---------- */
.page-products .prod-head {
  position: relative;
  margin-top: 12px;
  padding: clamp(24px, 5vw, 56px) 0 clamp(24px, 4vw, 44px);
  border-top: 1px solid var(--prod-line);
  border-bottom: 1px solid var(--prod-line);
  background-image:
    radial-gradient(680px 300px at 8% 0%, rgba(232, 69, 28, 0.18), transparent 70%),
    linear-gradient(to right, rgba(42, 45, 51, 0.55) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(42, 45, 51, 0.55) 1px, transparent 1px);
  background-size: auto, 80px 80px, 80px 80px;
}

.page-products .prod-head__grid {
  display: grid;
  gap: clamp(20px, 4vw, 40px);
}

.page-products .prod-head h1 {
  margin: 10px 0 0;
  font-size: clamp(26px, 4.4vw, 44px);
  line-height: 1.18;
  letter-spacing: 0.04em;
  font-weight: 800;
  color: var(--mist);
  max-width: 16em;
}

.page-products .prod-head__lead {
  margin: 16px 0 0;
  max-width: 42em;
  font-size: 16px;
  line-height: 1.75;
  color: var(--mist-2);
}

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

.page-products .prod-stat {
  background: var(--ink-2);
  padding: 14px 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-products .prod-stat__num {
  font-family: var(--font-num);
  font-size: clamp(24px, 3vw, 30px);
  font-weight: 700;
  line-height: 1;
  color: var(--amber);
  font-variant-numeric: tabular-nums;
}

.page-products .prod-stat:nth-child(2) .prod-stat__num {
  color: var(--flame-2);
}

.page-products .prod-stat__label {
  font-size: 13px;
  line-height: 1.5;
  color: var(--mist-2);
}

/* ---------- 产品切换区 ---------- */
.page-products .prod-deck {
  display: grid;
  margin-top: clamp(24px, 4vw, 40px);
  border-top: 1px solid var(--prod-line);
}

.page-products .prod-side {
  padding: 20px 0 4px;
  border-bottom: 1px solid var(--prod-line);
}

.page-products .prod-side__label {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--mist-3);
  text-transform: uppercase;
}

.page-products .prod-tabs {
  display: flex;
  gap: 1px;
  overflow-x: auto;
  scrollbar-width: thin;
  border: 1px solid var(--prod-line);
  background: var(--prod-line);
}

.page-products .prod-tab {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 48px;
  padding: 12px 14px;
  background: var(--ink-2);
  border: 0;
  color: var(--mist-2);
  font: inherit;
  font-size: 14px;
  line-height: 1.3;
  white-space: nowrap;
  text-align: left;
  cursor: pointer;
  transition: background-color 160ms linear, color 160ms linear;
}

.page-products .prod-tab__no {
  font-family: var(--font-num);
  font-size: 12px;
  color: var(--mist-3);
  letter-spacing: 0.08em;
}

.page-products .prod-tab:hover {
  color: var(--mist);
  background: var(--ink-4);
}

.page-products .prod-tab[aria-selected="true"] {
  color: #fff;
  background: linear-gradient(100deg, rgba(232, 69, 28, 0.9), rgba(196, 57, 15, 0.65));
  box-shadow: inset 0 -2px 0 var(--amber);
}

.page-products .prod-tab[aria-selected="true"] .prod-tab__no {
  color: rgba(255, 255, 255, 0.82);
}

.page-products .prod-tab:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: -2px;
}

.page-products .prod-side__note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist-3);
  max-width: 30em;
}

.page-products .prod-side__cta {
  margin-top: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 46px;
}

.page-products .prod-body {
  min-width: 0;
  padding-top: clamp(20px, 3vw, 32px);
}

.page-products .prod-panel {
  display: block;
}

.page-products .prod-panel:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 4px;
}

.page-products .prod-panel__h {
  margin: 0 0 12px;
  font-size: clamp(20px, 2.8vw, 28px);
  line-height: 1.3;
  letter-spacing: 0.03em;
  font-weight: 800;
  color: var(--mist);
}

.page-products .prod-panel__lead {
  margin: 0 0 clamp(18px, 3vw, 26px);
  max-width: 40em;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--mist-2);
}

.page-products .prod-sub {
  margin: clamp(24px, 3vw, 32px) 0 12px;
  font-size: 15px;
  letter-spacing: 0.08em;
  font-weight: 700;
  color: var(--amber);
}

/* ---------- 数字卡列 ---------- */
.page-products .prod-cards {
  display: grid;
  gap: 1px;
  background: var(--prod-line);
  border: 1px solid var(--prod-line);
  margin-bottom: clamp(18px, 3vw, 26px);
}

.page-products .prod-cards > div {
  background: var(--ink-2);
  padding: 16px 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-products .prod-cards__num {
  font-family: var(--font-num);
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  color: var(--flame-2);
  font-variant-numeric: tabular-nums;
}

.page-products .prod-cards:nth-of-type(2) .prod-cards__num {
  color: var(--amber);
}

.page-products .prod-cards__label {
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--mist-2);
}

/* ---------- 表格 ---------- */
.page-products .prod-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--prod-line);
  background: var(--ice);
}

.page-products .prod-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .prod-table__cap {
  caption-side: top;
  text-align: left;
  padding: 10px 14px;
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: rgba(233, 237, 242, 0.72);
  background: rgba(21, 21, 21, 0.35);
  border-bottom: 1px solid var(--ice-line);
}

.page-products .prod-table th,
.page-products .prod-table td {
  padding: 11px 14px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid rgba(70, 104, 138, 0.55);
  color: var(--mist);
  line-height: 1.6;
}

.page-products .prod-table thead th {
  font-size: 12.5px;
  letter-spacing: 0.08em;
  font-weight: 700;
  color: var(--amber);
  background: rgba(21, 21, 21, 0.28);
}

.page-products .prod-table tbody th {
  font-weight: 700;
  color: var(--mist);
  white-space: nowrap;
}

.page-products .prod-table tbody td {
  color: rgba(233, 237, 242, 0.86);
}

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

.page-products .prod-table tbody tr:hover th,
.page-products .prod-table tbody tr:hover td {
  background: rgba(245, 166, 35, 0.1);
  box-shadow: inset 2px 0 0 var(--amber);
}

/* ---------- 图文分栏 ---------- */
.page-products .prod-split {
  display: grid;
  gap: clamp(16px, 3vw, 26px);
  margin-bottom: clamp(16px, 2vw, 22px);
}

.page-products .prod-split__main {
  min-width: 0;
}

.page-products .prod-fig {
  margin: 0 0 clamp(18px, 3vw, 26px);
  border: 1px solid var(--prod-line);
}

.page-products .prod-fig--side {
  margin-bottom: 0;
}

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

/* ---------- 列表与结论 ---------- */
.page-products .prod-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--prod-line);
}

.page-products .prod-list li {
  padding: 14px 0 14px 14px;
  border-bottom: 1px solid var(--prod-line);
  border-left: 3px solid transparent;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--mist-2);
}

.page-products .prod-list li strong {
  display: block;
  margin-bottom: 4px;
  color: var(--mist);
  font-size: 15px;
  letter-spacing: 0.02em;
}

.page-products .prod-list li:hover {
  border-left-color: var(--flame);
  background: rgba(232, 69, 28, 0.06);
}

.page-products .prod-takeaway {
  margin: clamp(18px, 3vw, 26px) 0 0;
  padding: 12px 0 12px 14px;
  border-left: 3px solid var(--flame);
  background: linear-gradient(90deg, rgba(232, 69, 28, 0.14), transparent 70%);
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--mist);
}

.page-products .prod-inline-btn {
  margin-top: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
}

/* ---------- 版本索引 ---------- */
.page-products .prod-vers {
  margin-bottom: clamp(8px, 2vw, 16px);
}

.page-products .prod-ver {
  border: 1px solid var(--prod-line);
  border-bottom: 0;
  background: var(--ink-2);
}

.page-products .prod-ver:last-child {
  border-bottom: 1px solid var(--prod-line);
}

.page-products .prod-ver summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 13px 14px;
  cursor: pointer;
  list-style: none;
  min-height: 48px;
}

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

.page-products .prod-ver summary:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: -2px;
}

.page-products .prod-ver__code {
  font-family: var(--font-num);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--amber);
}

.page-products .prod-ver__name {
  font-size: 14px;
  color: var(--mist);
}

.page-products .prod-ver__meta {
  margin-left: auto;
  font-family: var(--font-num);
  font-size: 12.5px;
  color: var(--mist-3);
  white-space: nowrap;
}

.page-products .prod-ver[open] summary {
  background: linear-gradient(90deg, rgba(232, 69, 28, 0.2), transparent 80%);
  box-shadow: inset 3px 0 0 var(--flame);
}

.page-products .prod-ver__body {
  padding: 4px 14px 14px;
  background: var(--ink-3);
  border-top: 1px solid var(--prod-line);
}

.page-products .prod-ver__body ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .prod-ver__body li {
  padding: 10px 0;
  border-bottom: 1px dashed rgba(42, 45, 51, 0.95);
  font-size: 13.5px;
  line-height: 1.68;
  color: var(--mist-2);
}

.page-products .prod-ver__body li:last-child {
  border-bottom: 0;
}

/* ---------- 编号步骤 ---------- */
.page-products .prod-order {
  list-style: none;
  counter-reset: prodstep;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--prod-line);
  border: 1px solid var(--prod-line);
  counter-reset: prodstep;
}

.page-products .prod-order li {
  counter-increment: prodstep;
  position: relative;
  padding: 12px 14px 12px 44px;
  background: var(--ink-2);
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist-2);
}

.page-products .prod-order li::before {
  content: counter(prodstep);
  position: absolute;
  left: 12px;
  top: 12px;
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  font-family: var(--font-num);
  font-size: 12px;
  color: var(--amber);
  border: 1px solid var(--flame);
}

.page-products .prod-order li strong {
  color: var(--mist);
  margin-right: 8px;
}

/* ---------- 区块 ---------- */
.page-products .prod-section {
  padding: clamp(32px, 5vw, 56px) 0 0;
}

.page-products .prod-section--ice {
  margin-top: clamp(32px, 5vw, 56px);
  padding: clamp(28px, 4vw, 48px) 0;
  background: linear-gradient(180deg, rgba(58, 90, 120, 0.55), rgba(21, 21, 21, 0.9));
  border-top: 1px solid var(--ice-line);
  border-bottom: 1px solid var(--ice-line);
}

.page-products .prod-section__h {
  margin: 8px 0 10px;
  font-size: clamp(20px, 3vw, 30px);
  line-height: 1.28;
  letter-spacing: 0.03em;
  font-weight: 800;
  color: var(--mist);
}

.page-products .prod-section__lead {
  margin: 0 0 clamp(18px, 3vw, 26px);
  max-width: 40em;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist-2);
}

/* ---------- 使用路径 ---------- */
.page-products .prod-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--prod-line);
  border: 1px solid var(--prod-line);
}

.page-products .prod-step {
  background: var(--ink-2);
  padding: 20px 18px 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  position: relative;
}

.page-products .prod-step::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--flame), transparent);
}

.page-products .prod-step__no {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid var(--flame);
  font-family: var(--font-num);
  font-size: 15px;
  font-weight: 700;
  color: var(--amber);
}

.page-products .prod-step__h {
  margin: 0;
  font-size: 16px;
  letter-spacing: 0.03em;
  color: var(--mist);
}

.page-products .prod-step__p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--mist-2);
}

.page-products .prod-step__meta {
  margin: auto 0 0;
  font-family: var(--font-num);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--amber);
}

/* ---------- 节奏 ---------- */
.page-products .prod-cadence__grid {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
}

.page-products .prod-cadence {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: rgba(70, 104, 138, 0.7);
  border: 1px solid var(--ice-line);
}

.page-products .prod-cadence li {
  background: rgba(21, 21, 21, 0.72);
  padding: 14px 16px;
  display: grid;
  gap: 4px;
}

.page-products .prod-cadence__k {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--mist-3);
}

.page-products .prod-cadence__v {
  font-family: var(--font-num);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--amber);
}

.page-products .prod-cadence__d {
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--mist-2);
}

/* ---------- 支持入口 ---------- */
.page-products .prod-entries {
  display: grid;
  gap: 1px;
  background: var(--prod-line);
  border: 1px solid var(--prod-line);
}

.page-products .prod-entry {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 16px;
  background: var(--ink-2);
  text-decoration: none;
  color: inherit;
  transition: background-color 160ms linear;
}

.page-products .prod-entry:hover {
  background: var(--ink-4);
  box-shadow: inset 3px 0 0 var(--flame);
}

.page-products .prod-entry:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: -2px;
}

.page-products .prod-entry__title {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--mist);
}

.page-products .prod-entry__desc {
  font-size: 13.5px;
  line-height: 1.68;
  color: var(--mist-2);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .prod-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

@media (min-width: 860px) {
  .page-products .prod-head__grid {
    grid-template-columns: 1.35fr 0.65fr;
    align-items: end;
  }

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

  .page-products .prod-split {
    grid-template-columns: 1.4fr 0.6fr;
    align-items: start;
  }

  .page-products .prod-split--rev {
    grid-template-columns: 0.6fr 1.4fr;
  }

  .page-products .prod-split--rev .prod-split__main {
    order: 2;
  }

  .page-products .prod-split--rev .prod-fig {
    order: 1;
  }

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

  .page-products .prod-cadence__grid {
    grid-template-columns: 0.8fr 1.2fr;
    align-items: start;
  }

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

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

@media (min-width: 960px) {
  .page-products .prod-deck {
    grid-template-columns: var(--prod-side) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .prod-side {
    border-bottom: 0;
    border-right: 1px solid var(--prod-line);
    padding: 24px 20px 4px 0;
  }

  .page-products .prod-tabs {
    flex-direction: column;
    overflow-x: visible;
    border: 0;
    background: transparent;
    gap: 0;
  }

  .page-products .prod-tab {
    width: 100%;
    white-space: normal;
    border-bottom: 1px solid var(--prod-line);
    border-left: 3px solid transparent;
    background: transparent;
    min-height: 54px;
  }

  .page-products .prod-tab[aria-selected="true"] {
    border-left-color: var(--amber);
    box-shadow: none;
    background: linear-gradient(90deg, rgba(232, 69, 28, 0.32), rgba(232, 69, 28, 0.04));
  }

  .page-products .prod-body {
    padding: 24px 0 8px clamp(20px, 3vw, 36px);
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-products .prod-tab,
  .page-products .prod-entry {
    transition: none;
  }
}
<<<END>>>