.page-products {
  --edge: clamp(20px, 3vw, 38px);
  --prod-line: #1C4557;
  --prod-soft: rgba(28, 69, 87, 0.42);
  background: var(--ink);
  color: var(--cream);
  overflow-x: hidden;
}

.page-products .breadcrumbs__sep {
  margin: 0 8px;
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-products .prod-hero {
  padding-top: 28px;
}

.page-products .prod-hero__grid {
  display: grid;
  gap: 40px;
  margin-top: 28px;
}

.page-products .prod-hero h1 {
  margin: 14px 0 20px;
}

.page-products .prod-hero .lede {
  max-width: 46ch;
}

.page-products .prod-hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-products .prod-figures {
  margin: 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-figures__item {
  background: var(--room);
  padding: 18px 16px 20px;
}

.page-products .prod-figures__item dt {
  color: var(--paper);
}

.page-products .prod-figures__item dd {
  margin: 6px 0 0;
  font-size: clamp(2rem, 9vw, 3.2rem);
  color: var(--amber);
  line-height: 1;
}

/* ---------- 章节头 ---------- */
.page-products .prod-head {
  max-width: 68ch;
  margin-bottom: 40px;
}

.page-products .prod-head h2 {
  margin: 10px 0 16px;
}

/* ---------- 技能树 ---------- */
.page-products .prod-svc {
  align-items: start;
}

.page-products .skill-tree {
  list-style: none;
  margin: 0;
  padding: 4px 0 4px 34px;
  position: relative;
}

.page-products .skill-tree::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 14px;
  bottom: 14px;
  width: 1px;
  background: repeating-linear-gradient(
    to bottom,
    var(--prod-line) 0 7px,
    transparent 7px 14px
  );
}

.page-products .skill-node {
  position: relative;
  padding-bottom: 30px;
}

.page-products .skill-node:last-child {
  padding-bottom: 0;
}

.page-products .skill-node::before {
  content: "";
  position: absolute;
  left: -30px;
  top: 9px;
  width: 11px;
  height: 11px;
  background: var(--ink);
  border: 2px solid var(--amber);
  transform: rotate(45deg);
}

.page-products .skill-node__no {
  display: block;
  color: var(--check);
  margin-bottom: 6px;
}

.page-products .skill-node__body h3 {
  margin: 0 0 10px;
  color: var(--cream);
}

.page-products .skill-node__fit {
  margin-top: 12px;
  padding-left: 14px;
  border-left: 2px solid var(--prod-line);
  color: var(--paper);
  line-height: 1.6;
}

.page-products .prod-svc__media {
  margin: 40px 0 0;
}

/* ---------- 字段表 ---------- */
.page-products .prod-fields__media {
  margin: 0 0 34px;
}

.page-products .field-shell {
  border: 1px solid var(--prod-line);
  background: var(--room);
}

.page-products .field-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

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

.page-products .field-table {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .field-table caption {
  text-align: left;
  padding: 16px 18px;
  color: var(--paper);
  border-bottom: 1px solid var(--prod-line);
}

.page-products .field-table thead th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: var(--ink);
  color: var(--cream);
  border-bottom: 2px solid var(--whistle);
  text-align: left;
  padding: 13px 18px;
  font-family: var(--font-head);
  font-size: 15px;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.page-products .field-table tbody th {
  text-align: left;
  font-weight: 500;
  color: var(--cream);
  padding: 13px 18px;
  border-bottom: 1px dashed var(--prod-soft);
  white-space: nowrap;
}

.page-products .field-table td {
  padding: 13px 18px;
  color: var(--paper);
  border-bottom: 1px dashed var(--prod-soft);
  white-space: nowrap;
}

.page-products .field-table tbody tr:hover th,
.page-products .field-table tbody tr:hover td {
  background: rgba(87, 201, 190, 0.07);
}

.page-products .field-table .field-when {
  color: var(--check);
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
}

.page-products .field-hint {
  margin: 0;
  padding: 12px 18px;
  color: var(--paper);
  border-top: 1px solid var(--prod-line);
}

/* ---------- 交付节奏 ---------- */
.page-products .prod-cadence {
  align-items: start;
}

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

.page-products .cadence__step {
  background: var(--ink);
  padding: 20px 22px 24px;
  border-left: 3px solid transparent;
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.page-products .cadence__step:hover {
  border-left-color: var(--amber);
  background: var(--room);
}

.page-products .cadence__t {
  display: block;
  font-size: clamp(1.4rem, 5vw, 1.9rem);
  color: var(--amber);
  line-height: 1;
  margin-bottom: 10px;
}

.page-products .cadence__step h3 {
  margin: 0 0 8px;
  color: var(--cream);
}

.page-products .prod-cadence__media {
  margin: 40px 0 0;
}

/* ---------- 接入流程 ---------- */
.page-products .access-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--prod-line);
  border-top: 1px solid var(--prod-line);
  border-bottom: 1px solid var(--prod-line);
  counter-reset: step;
}

.page-products .access-step {
  background: var(--ink);
  padding: 24px 22px 26px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: 18px;
  row-gap: 8px;
  align-items: baseline;
}

.page-products .access-step__no {
  grid-row: span 2;
  font-size: clamp(1.6rem, 6vw, 2.2rem);
  color: var(--whistle);
  line-height: 1;
}

.page-products .access-step h3 {
  margin: 0;
  color: var(--cream);
}

.page-products .access-step p {
  margin: 0;
  grid-column: 2;
}

.page-products .access-step:hover {
  background: var(--room);
}

.page-products .prod-cta {
  margin-top: 34px;
  padding: 24px 22px;
  border: 1px solid var(--prod-line);
  border-left: 3px solid var(--amber);
  background: var(--ink);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.page-products .prod-cta p {
  margin: 0;
  max-width: 46ch;
}

/* ---------- 场景卡 ---------- */
.page-products .scene-grid {
  display: grid;
  gap: 18px;
}

.page-products .scene-card {
  position: relative;
  padding: 26px 22px 28px;
  background: var(--room);
  border: 1px solid var(--prod-line);
  clip-path: polygon(0 0, calc(100% - var(--edge)) 0, 100% var(--edge), 100% 100%, 0 100%);
  transition: transform 0.28s var(--ease);
}

.page-products .scene-card:hover {
  transform: translateY(-4px);
}

.page-products .scene-card__no {
  display: inline-block;
  color: var(--amber);
  letter-spacing: 0.24em;
  margin-bottom: 12px;
}

.page-products .scene-card h3 {
  margin: 0 0 12px;
  color: var(--cream);
}

.page-products .scene-card p {
  margin: 0;
}

.page-products .scene-card--media {
  padding-top: 0;
}

.page-products .scene-card--media .media-frame {
  margin: 0 -22px 22px;
}

/* ---------- 版本记录 ---------- */
.page-products .versions {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--prod-line);
}

.page-products .versions__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding: 20px 0;
  border-bottom: 1px dashed var(--prod-soft);
}

.page-products .versions__v {
  color: var(--paper);
  font-size: 1.15rem;
  letter-spacing: 0.06em;
}

.page-products .versions__row p {
  margin: 0;
}

.page-products .versions__row--now .versions__v {
  color: var(--whistle);
}

.page-products .versions__row--now p {
  color: var(--cream);
}

/* ---------- 呼吸图 ---------- */
.page-products .prod-breath {
  margin: 0;
  padding: 0 var(--gut);
}

.page-products .prod-breath .media-caption {
  margin-top: 12px;
}

/* ---------- 选型问答 ---------- */
.page-products .pick-list {
  border-top: 1px solid var(--prod-line);
}

.page-products .pick-item {
  border-bottom: 1px dashed var(--prod-soft);
  padding: 4px 0;
}

.page-products .pick-item summary {
  cursor: pointer;
  list-style: none;
  position: relative;
  padding: 18px 40px 18px 26px;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--cream);
}

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

.page-products .pick-item summary::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 9px;
  height: 9px;
  margin-top: -4px;
  background: var(--prod-line);
  transform: rotate(45deg);
  transition: background 0.22s var(--ease);
}

.page-products .pick-item[open] summary::before {
  background: var(--amber);
}

.page-products .pick-item summary::after {
  content: "+";
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-num);
  font-size: 20px;
  color: var(--check);
}

.page-products .pick-item[open] summary::after {
  content: "–";
}

.page-products .pick-item summary:hover {
  color: var(--amber);
}

.page-products .pick-item p {
  margin: 0 0 20px;
  padding-left: 26px;
  max-width: 62ch;
  color: var(--paper);
}

.page-products .pick-more {
  margin: 30px 0 0;
  color: var(--paper);
}

.page-products .pick-more .link {
  margin: 0 4px;
}

/* ---------- 结尾 ---------- */
.page-products .prod-close__inner {
  padding: 34px 24px;
  border: 1px solid var(--prod-line);
  border-top: 3px solid var(--amber);
  background: linear-gradient(160deg, var(--room), var(--ink) 78%);
}

.page-products .prod-close__inner h2 {
  margin: 10px 0 16px;
}

.page-products .prod-close__inner .lede {
  max-width: 60ch;
}

.page-products .prod-close__inner .link {
  margin: 0 4px;
}

.page-products .prod-close__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

/* ---------- 图片兜底 ---------- */
.page-products img {
  max-width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .prod-figures {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-products .versions__row {
    grid-template-columns: 120px minmax(0, 1fr);
    align-items: baseline;
    gap: 24px;
  }
}

@media (min-width: 900px) {
  .page-products .prod-hero {
    padding-top: 44px;
  }

  .page-products .prod-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 56px;
    align-items: end;
  }

  .page-products .prod-svc__media,
  .page-products .prod-cadence__media {
    margin-top: 0;
    position: sticky;
    top: 108px;
  }

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

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

  .page-products .scene-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }

  .page-products .prod-breath {
    padding: 0;
    max-width: var(--maxw);
    margin: 0 auto 40px;
    padding-left: 32px;
    padding-right: 32px;
  }
}

@media (min-width: 1140px) {
  .page-products .scene-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

@media (prefers-reduced-motion: reduce) {
  .page-products .scene-card,
  .page-products .cadence__step,
  .page-products .pick-item summary::before {
    transition: none;
  }

  .page-products .scene-card:hover {
    transform: none;
  }
}
<<<END>>>