.page-products {
  --rail-w: 208px;
  background: var(--warm-white);
  color: var(--ink-teal);
  font-family: var(--font-body);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-products .prod-hero {
  position: relative;
  overflow: hidden;
  background: var(--deep-teal);
  color: var(--on-dark-strong);
  padding: clamp(1.25rem, 3vw, 2rem) 0 clamp(3.5rem, 7vw, 5.5rem);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 2.5rem), 0 100%);
}

.page-products .prod-hero-slash {
  position: absolute;
  top: -40%;
  right: -18%;
  width: 72%;
  height: 200%;
  background: linear-gradient(165deg, rgba(242, 107, 42, 0.34), rgba(242, 107, 42, 0) 62%);
  transform: rotate(-14deg);
  pointer-events: none;
}

.page-products .prod-hero-grid {
  position: relative;
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
}

.page-products .prod-hero .breadcrumbs {
  margin-bottom: clamp(1.25rem, 3vw, 2rem);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
}

.page-products .prod-hero .breadcrumbs,
.page-products .prod-hero .breadcrumbs a {
  color: var(--on-dark-soft);
}

.page-products .prod-hero .breadcrumbs a:hover {
  color: var(--amber);
}

.page-products .prod-hero .eyebrow {
  color: var(--amber);
  margin: 0 0 0.75rem;
}

.page-products .prod-hero .display-title {
  color: var(--on-dark-strong);
  max-width: 15ch;
  margin: 0;
}

.page-products .prod-lede {
  color: var(--on-dark);
  margin: 1rem 0 0;
  max-width: 48ch;
}

.page-products .prod-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: clamp(1.5rem, 3vw, 2rem);
}

.page-products .prod-ghost {
  color: var(--on-dark-strong);
  border-color: rgba(247, 243, 234, 0.34);
}

.page-products .prod-ghost:hover {
  border-color: var(--amber);
  color: var(--amber);
}

.page-products .prod-hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1.25rem 0 0;
  padding: 0;
  list-style: none;
}

.page-products .prod-hero-facts li {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  padding: 0.4rem 0.7rem;
  border-radius: var(--r-pill);
  background: rgba(247, 243, 234, 0.08);
  border: 1px solid var(--hair-dark);
  color: var(--on-dark);
}

/* 右侧入口快捷卡 */
.page-products .prod-entry-panel {
  background: rgba(247, 243, 234, 0.06);
  border: 1px solid var(--hair-dark);
  border-radius: var(--r-lg);
  padding: clamp(1rem, 2.5vw, 1.5rem);
}

.page-products .prod-entry-title {
  margin: 0 0 0.5rem;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--amber);
}

.page-products .prod-entry-panel a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem 0.15rem;
  color: var(--on-dark-strong);
  text-decoration: none;
  border-top: 1px solid var(--hair-dark);
  font-size: 0.95rem;
  line-height: 1.5;
  transition: color 220ms var(--ease), padding-left 220ms var(--ease);
}

.page-products .prod-entry-panel a:hover,
.page-products .prod-entry-panel a:focus-visible {
  color: var(--signal);
  padding-left: 0.45rem;
}

.page-products .prod-entry-panel a span {
  flex: none;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--on-dark-soft);
}

/* ---------- 主体布局：左刻度 + 右内容 ---------- */
.page-products .prod-body {
  display: grid;
  gap: clamp(1.5rem, 3vw, 2.5rem);
  padding-block: clamp(2rem, 5vw, 4rem) clamp(2.5rem, 6vw, 5rem);
}

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

.page-products .prod-rail-title {
  margin: 0 0 0.5rem;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--stone);
}

.page-products .prod-rail-inner {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding-bottom: 0.5rem;
}

.page-products .rail-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  white-space: nowrap;
  text-decoration: none;
  color: var(--stone);
  font-size: 0.85rem;
  padding: 0.45rem 0.8rem;
  border: 1px solid var(--mist);
  border-radius: var(--r-pill);
  transition: color 200ms var(--ease), border-color 200ms var(--ease), background 200ms var(--ease);
}

.page-products .rail-link:hover,
.page-products .rail-link:focus-visible {
  color: var(--deep-teal);
  border-color: var(--deep-teal);
  background: var(--chart-mint);
}

.page-products .rail-idx {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--clay);
}

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

/* ---------- 章节通用 ---------- */
.page-products .prod-section {
  padding-block: clamp(1.75rem, 4vw, 3rem);
  border-top: 1px solid var(--hair-light);
  scroll-margin-top: 96px;
}

.page-products .prod-flow > .prod-section:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-products .prod-head {
  display: flex;
  gap: 0.85rem;
  align-items: baseline;
  margin-bottom: 1.25rem;
}

.page-products .prod-head-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--signal);
}

.page-products .prod-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.01em;
  font-size: clamp(1.35rem, 2.6vw, 1.9rem);
  line-height: 1.28;
}

.page-products .prod-sub {
  margin: 0.5rem 0 0;
  max-width: 54ch;
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--stone);
}

.page-products .prod-inline-link {
  margin: 0.9rem 0 0;
  font-size: 0.9rem;
}

.page-products .prod-inline-link a {
  color: var(--deep-teal);
  text-decoration: none;
  border-bottom: 2px solid var(--signal);
  padding-bottom: 1px;
  font-weight: 500;
}

.page-products .prod-inline-link a:hover {
  color: var(--clay);
}

/* ---------- 图 ---------- */
.page-products .prod-figure {
  margin: 0;
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--chart-mint);
}

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

.page-products .prod-figure--tall img {
  aspect-ratio: 3 / 4;
}

.page-products .prod-figure--wide img {
  aspect-ratio: 3 / 2;
}

.page-products .prod-figure figcaption {
  padding: 0.5rem 0.8rem;
  font-size: 0.72rem;
  line-height: 1.6;
  color: var(--stone);
  background: var(--chart-mint);
}

/* ---------- 入口总览卡 ---------- */
.page-products .prod-paths {
  display: grid;
  gap: 1rem;
}

.page-products .prod-path {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  padding: clamp(1rem, 2.5vw, 1.5rem);
  background: var(--warm-white);
  border: 1px solid var(--hair-light);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-card);
}

.page-products .prod-path-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
}

.page-products .prod-path h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.12rem;
  font-weight: 600;
}

.page-products .prod-spec {
  margin: 0;
  display: grid;
  gap: 0.5rem;
}

.page-products .prod-spec > div {
  display: grid;
  grid-template-columns: 4.8rem minmax(0, 1fr);
  gap: 0.5rem;
  font-size: 0.88rem;
  line-height: 1.7;
}

.page-products .prod-spec dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--moss);
  padding-top: 0.15rem;
}

.page-products .prod-spec dd {
  margin: 0;
  color: var(--ink-teal);
}

.page-products .prod-path--return {
  background: var(--chart-mint);
  border-color: transparent;
  box-shadow: none;
}

/* ---------- 六步 ---------- */
.page-products .prod-steps {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.page-products .prod-steps::before {
  content: "";
  position: absolute;
  left: 1.62rem;
  top: 1.6rem;
  bottom: 1.6rem;
  width: 2px;
  background: repeating-linear-gradient(to bottom, var(--mist) 0 6px, transparent 6px 14px);
}

.page-products .step {
  position: relative;
  display: grid;
  grid-template-columns: 3.2rem minmax(0, 1fr);
  gap: 0.75rem;
  padding: 1rem 1rem 1.1rem;
  background: var(--warm-white);
  border: 1px solid var(--hair-light);
  border-radius: var(--r-lg);
  transition: border-color 220ms var(--ease), box-shadow 220ms var(--ease);
}

.page-products .step:hover {
  border-color: var(--mist);
  box-shadow: var(--shadow-card);
}

.page-products .step-num {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: clamp(1.7rem, 4.2vw, 2.5rem);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--signal);
}

.page-products .step-body h3 {
  margin: 0 0 0.35rem;
  font-size: 1.03rem;
  font-weight: 600;
  font-family: var(--font-display);
}

.page-products .step-body p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--stone);
}

.page-products .step-check {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem;
  margin-top: 0.65rem;
  padding: 0.5rem 0.75rem;
  border-radius: var(--r-sm);
  background: var(--chart-mint);
  color: var(--deep-teal) !important;
  font-size: 0.84rem;
}

.page-products .step-check-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--moss);
}

/* ---------- 换设备专项 ---------- */
.page-products .prod-switch {
  display: grid;
  gap: 1.5rem;
  padding: clamp(1.25rem, 3.5vw, 2.25rem);
  border-radius: var(--r-lg);
  background: var(--signal);
  color: var(--ink-teal);
}

.page-products .prod-head--on-signal .prod-head-num {
  color: rgba(7, 38, 43, 0.62);
}

.page-products .prod-head--on-signal h2 {
  color: var(--ink-teal);
}

.page-products .prod-head--on-signal .prod-sub {
  color: rgba(7, 38, 43, 0.78);
}

.page-products .prod-switch-list {
  list-style: none;
  margin: 1.1rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

.page-products .prod-switch-list li {
  padding: 0.85rem 1rem;
  border-radius: var(--r-md);
  background: rgba(247, 243, 234, 0.94);
}

.page-products .prod-switch-list h3 {
  margin: 0 0 0.3rem;
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--ink-teal);
}

.page-products .prod-switch-list p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--stone);
}

.page-products .prod-switch-note {
  margin: 1rem 0 0;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--ink-teal);
}

.page-products .prod-switch-note a {
  color: var(--ink-teal);
  font-weight: 600;
  border-bottom: 2px solid rgba(7, 38, 43, 0.5);
  text-decoration: none;
}

.page-products .prod-switch-figure {
  align-self: start;
  background: rgba(247, 243, 234, 0.5);
}

/* ---------- 设备与场景 ---------- */
.page-products .prod-devices {
  display: grid;
  gap: 0.75rem;
}

.page-products .device-card {
  padding: 1rem 1.1rem 1.15rem;
  border: 1px solid var(--hair-light);
  border-radius: var(--r-md);
  background: var(--warm-white);
}

.page-products .device-card h3 {
  margin: 0.7rem 0 0.35rem;
  font-size: 1rem;
  font-weight: 600;
  font-family: var(--font-display);
}

.page-products .device-card p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--stone);
}

/* ---------- 归档 ---------- */
.page-products .prod-archive {
  display: grid;
  gap: 1.5rem;
}

.page-products .prod-archive-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

.page-products .prod-archive-list li {
  display: grid;
  grid-template-columns: 5.2rem minmax(0, 1fr);
  gap: 0.7rem;
  align-items: start;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--stone);
}

.page-products .archive-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--ink-teal);
  background: var(--chart-mint);
  border-radius: var(--r-pill);
  padding: 0.2rem 0.5rem;
  text-align: center;
}

.page-products .prod-archive-meta {
  margin: 1rem 0 0;
  padding: 0.85rem 1rem;
  border-left: 3px solid var(--clay);
  background: var(--chart-mint);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--ink-teal);
}

/* ---------- 服务支持 ---------- */
.page-products .prod-support {
  padding: clamp(1.25rem, 3.5vw, 2.25rem);
  border-radius: var(--r-lg);
  background: var(--deep-teal);
  color: var(--on-dark-strong);
}

.page-products .prod-head--on-dark h2 {
  color: var(--on-dark-strong);
}

.page-products .prod-head--on-dark .prod-head-num {
  color: var(--amber);
}

.page-products .prod-head--on-dark .prod-sub {
  color: var(--on-dark);
}

.page-products .prod-support-grid {
  display: grid;
  gap: 1.25rem;
}

.page-products .prod-support-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

.page-products .prod-support-list li {
  padding: 0.85rem 1rem;
  border-radius: var(--r-md);
  background: rgba(247, 243, 234, 0.07);
  border: 1px solid var(--hair-dark);
}

.page-products .support-idx {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--amber);
}

.page-products .prod-support-list h3 {
  margin: 0.3rem 0 0.3rem;
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--on-dark-strong);
}

.page-products .prod-support-list p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--on-dark);
}

.page-products .prod-support-figure {
  background: rgba(247, 243, 234, 0.08);
  align-self: start;
}

.page-products .prod-support-foot {
  margin: 1.25rem 0 0;
  padding-top: 1rem;
  border-top: 1px solid var(--hair-dark);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  line-height: 1.9;
  color: var(--on-dark-soft);
}

/* ---------- 纠错反馈 ---------- */
.page-products .prod-feedback {
  padding: clamp(1.25rem, 3.5vw, 2.25rem);
  border-radius: var(--r-lg);
  background: var(--chart-mint);
}

.page-products .prod-feedback-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.65rem;
}

.page-products .prod-feedback-list li {
  padding: 0.75rem 0.9rem;
  border-radius: var(--r-sm);
  background: var(--warm-white);
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--stone);
}

.page-products .prod-feedback-list strong {
  display: block;
  margin-bottom: 0.15rem;
  color: var(--ink-teal);
  font-weight: 600;
}

.page-products .prod-feedback-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.1rem;
}

.page-products .prod-feedback-actions .btn-ghost {
  color: var(--deep-teal);
  border-color: var(--deep-teal);
}

/* ---------- 尾部引导 ---------- */
.page-products .prod-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: clamp(1.1rem, 3vw, 1.75rem);
  border-radius: var(--r-lg);
  background: var(--ink-teal);
  color: var(--on-dark-strong);
}

.page-products .prod-cta-text {
  margin: 0;
  max-width: 42ch;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--on-dark);
}

.page-products .prod-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

/* ---------- 桌面栅格 ---------- */
@media (min-width: 760px) {
  .page-products .prod-paths {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .prod-path--return {
    grid-column: 1 / -1;
  }

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

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

@media (min-width: 860px) {
  .page-products .prod-hero-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: end;
  }

  .page-products .prod-switch,
  .page-products .prod-archive,
  .page-products .prod-support-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
  }

  .page-products .prod-switch {
    align-items: center;
  }

  .page-products .prod-support-grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
  }

  .page-products .step {
    grid-template-columns: 5.2rem minmax(0, 1fr);
    gap: 1.1rem;
    padding: 1.25rem 1.4rem 1.35rem;
  }

  .page-products .prod-steps::before {
    left: 2.7rem;
  }

  .page-products .prod-spec > div {
    grid-template-columns: 5.4rem minmax(0, 1fr);
  }
}

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

  .page-products .prod-rail-inner {
    position: sticky;
    top: 96px;
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-products .rail-link {
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    padding: 0.5rem 0.75rem;
    font-size: 0.88rem;
  }

  .page-products .rail-link:hover,
  .page-products .rail-link:focus-visible {
    background: transparent;
    border-left-color: var(--signal);
    color: var(--deep-teal);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .prod-entry-panel a,
  .page-products .rail-link,
  .page-products .step {
    transition: none;
  }

  .page-products .prod-entry-panel a:hover,
  .page-products .prod-entry-panel a:focus-visible {
    padding-left: 0.15rem;
  }
}
<<<END>>>