.page-products {
  --fx-radius: 24px;
  --fx-chip: rgba(61, 242, 208, 0.09);
  color: var(--paper);
  background:
    radial-gradient(1100px 520px at 88% -8%, rgba(43, 37, 84, 0.6), transparent 62%),
    radial-gradient(820px 480px at -10% 26%, rgba(14, 75, 68, 0.55), transparent 60%),
    linear-gradient(180deg, var(--ink-900) 0%, #041d19 58%, var(--ink-900) 100%);
  padding-bottom: clamp(3rem, 7vw, 6rem);
}

.page-products img {
  display: block;
  max-width: 100%;
  height: auto;
}

.page-products .fx-shell {
  display: grid;
  gap: clamp(2rem, 5vw, 4rem);
  padding-top: clamp(1.25rem, 4vw, 2.75rem);
}

.page-products .breadcrumb {
  margin-bottom: clamp(1rem, 2.5vw, 1.6rem);
}

.page-products .breadcrumb-current {
  color: var(--cyan-100);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
}

/* ---------- 首屏 ---------- */

.page-products .fx-hero-grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.75rem);
  align-items: center;
}

.page-products .fx-hero-copy h1 {
  margin: 0.45rem 0 1rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 5.2vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  text-wrap: balance;
}

.page-products .fx-lead {
  margin: 0 0 1.5rem;
  max-width: 46ch;
  font-size: clamp(0.98rem, 1.1vw, 1.08rem);
  line-height: 1.8;
  color: var(--cyan-100);
}

.page-products .fx-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.page-products .fx-hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(118px, 1fr));
  gap: 0.65rem;
  margin: 1.7rem 0 0;
  padding: 0;
  list-style: none;
}

.page-products .fx-hero-stats li {
  padding: 0.8rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: linear-gradient(160deg, rgba(14, 75, 68, 0.6), rgba(6, 42, 36, 0.5));
}

.page-products .fx-stat-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.3rem, 3vw, 1.7rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--cyan-500);
}

.page-products .fx-stat-label {
  display: block;
  margin-top: 0.28rem;
  font-size: 0.76rem;
  line-height: 1.45;
  color: var(--mist);
}

.page-products .fx-hero-figure {
  margin: 0;
}

/* ---------- 主体双栏 ---------- */

.page-products .fx-body {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
}

.page-products .fx-index-kicker {
  margin: 0 0 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--amber-400);
}

.page-products .fx-index-list {
  display: flex;
  gap: 0.45rem;
  margin: 0;
  padding: 0 0 0.4rem;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-products .fx-index-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.8rem;
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  background: rgba(6, 42, 36, 0.55);
  color: var(--mist);
  font-size: 0.82rem;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.18s var(--ease), background-color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-products .fx-index-link:hover,
.page-products .fx-index-link:focus-visible {
  color: var(--ink-900);
  background: var(--cyan-500);
  border-color: var(--cyan-500);
}

.page-products .fx-idx-num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--amber-400);
}

.page-products .fx-index-link:hover .fx-idx-num,
.page-products .fx-index-link:focus-visible .fx-idx-num {
  color: var(--ink-900);
}

/* ---------- 章节 ---------- */

.page-products .fx-flow {
  display: block;
  min-width: 0;
}

.page-products .fx-section {
  scroll-margin-top: 5.5rem;
}

.page-products .fx-section + .fx-section,
.page-products .fx-section + .fx-cta,
.page-products .fx-cta {
  margin-top: clamp(2.5rem, 6vw, 4rem);
}

.page-products .fx-section + .fx-section {
  padding-top: clamp(2.25rem, 5vw, 3.25rem);
  border-top: 1px solid var(--line-soft);
}

.page-products .fx-sec-head {
  max-width: 62ch;
}

.page-products .fx-sec-head h2 {
  margin: 0.45rem 0 0.65rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.45rem, 3.2vw, 2.1rem);
  line-height: 1.22;
  letter-spacing: -0.025em;
  text-wrap: balance;
}

.page-products .fx-sec-lead {
  margin: 0;
  font-size: 0.96rem;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 路径节点 ---------- */

.page-products .fx-nodes {
  display: grid;
  gap: 0.8rem;
  margin: clamp(1.25rem, 3vw, 1.9rem) 0 0;
  padding: 0;
  list-style: none;
}

.page-products .fx-node {
  padding: 1.1rem 1.15rem 1.2rem;
  border: 1px solid var(--line);
  border-left: 3px solid var(--amber-400);
  border-radius: var(--radius-md);
  background: linear-gradient(150deg, rgba(14, 75, 68, 0.78), rgba(11, 58, 50, 0.62));
}

.page-products .fx-node h3 {
  margin: 0 0 0.45rem;
  font-size: 1.02rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-products .fx-node p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-products .fx-node-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.1rem;
  height: 2.1rem;
  margin-bottom: 0.65rem;
  border: 1px solid var(--amber-400);
  border-radius: 50%;
  color: var(--amber-400);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  animation: fxPulse 3.4s ease-out infinite;
}

@keyframes fxPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(242, 184, 75, 0.42); }
  55% { box-shadow: 0 0 0 9px rgba(242, 184, 75, 0); }
}

.page-products .fx-path-note {
  margin: 1.1rem 0 0;
  padding: 0.9rem 1.1rem;
  border-left: 3px solid var(--cyan-500);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--fx-chip);
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--cyan-100);
}

/* ---------- 分段切换 ---------- */

.page-products .seg {
  position: relative;
  display: grid;
  gap: 0.9rem;
  margin-top: clamp(1.25rem, 3vw, 1.9rem);
}

.page-products .seg-input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  opacity: 0;
}

.page-products .seg-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.page-products .seg-tab {
  padding: 0.48rem 0.95rem;
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  background: rgba(6, 42, 36, 0.6);
  color: var(--mist);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  user-select: none;
  transition: color 0.18s var(--ease), background-color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-products .seg-tab:hover {
  color: var(--cyan-100);
  border-color: var(--cyan-500);
}

.page-products .seg-input:focus-visible ~ .seg-tabs .seg-tab {
  outline: 2px solid var(--cyan-500);
  outline-offset: 2px;
}

.page-products .seg-input:nth-of-type(1):checked ~ .seg-tabs > .seg-tab:nth-child(1),
.page-products .seg-input:nth-of-type(2):checked ~ .seg-tabs > .seg-tab:nth-child(2),
.page-products .seg-input:nth-of-type(3):checked ~ .seg-tabs > .seg-tab:nth-child(3),
.page-products .seg-input:nth-of-type(4):checked ~ .seg-tabs > .seg-tab:nth-child(4),
.page-products .seg-input:nth-of-type(5):checked ~ .seg-tabs > .seg-tab:nth-child(5) {
  background: var(--cyan-500);
  border-color: var(--cyan-500);
  color: var(--ink-900);
}

.page-products .seg-panels {
  padding: 1.1rem 1.2rem;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  background: rgba(6, 42, 36, 0.55);
}

.page-products .seg-panel {
  display: none;
  animation: fxFade 0.18s var(--ease);
}

.page-products .seg-input:nth-of-type(1):checked ~ .seg-panels > .seg-panel:nth-child(1),
.page-products .seg-input:nth-of-type(2):checked ~ .seg-panels > .seg-panel:nth-child(2),
.page-products .seg-input:nth-of-type(3):checked ~ .seg-panels > .seg-panel:nth-child(3),
.page-products .seg-input:nth-of-type(4):checked ~ .seg-panels > .seg-panel:nth-child(4),
.page-products .seg-input:nth-of-type(5):checked ~ .seg-panels > .seg-panel:nth-child(5) {
  display: block;
}

@keyframes fxFade {
  from { opacity: 0; transform: translateX(-6px); }
  to { opacity: 1; transform: none; }
}

.page-products .seg-panel h3 {
  margin: 0 0 0.45rem;
  font-size: 0.98rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-products .seg-panel p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-products .fx-filters {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 0.6rem;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.page-products .fx-filters li {
  padding: 0.7rem 0.85rem;
  border: 1px dashed var(--line-soft);
  border-radius: var(--radius-sm);
}

.page-products .fx-filter-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--amber-400);
}

.page-products .fx-filter-value {
  display: block;
  margin-top: 0.2rem;
  font-size: 0.86rem;
  color: var(--paper);
}

/* ---------- 图片块 ---------- */

.page-products .fx-figure {
  margin: clamp(1.15rem, 3vw, 1.7rem) 0 0;
}

.page-products .fx-figure figcaption {
  margin-top: 0.6rem;
  font-size: 0.78rem;
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
  color: var(--mist);
}

/* ---------- 反馈 ---------- */

.page-products .fx-feedback-kinds {
  display: grid;
  gap: 0.7rem;
  margin: clamp(1.25rem, 3vw, 1.9rem) 0 0;
  padding: 0;
  list-style: none;
}

.page-products .fx-feedback-kinds li {
  display: grid;
  gap: 0.45rem;
  padding: 0.95rem 1.05rem;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  background: linear-gradient(160deg, rgba(11, 58, 50, 0.7), rgba(6, 42, 36, 0.62));
}

.page-products .fx-kind-tag {
  justify-self: start;
  padding: 0.18rem 0.62rem;
  border: 1px solid var(--cyan-500);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--cyan-500);
}

.page-products .fx-feedback-kinds p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-products .fx-status-row {
  margin-top: clamp(1.25rem, 3vw, 1.9rem);
  padding: 1.1rem 1.2rem;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(110, 31, 59, 0.55), rgba(43, 37, 84, 0.5));
  border: 1px solid var(--line-soft);
}

.page-products .fx-status-title {
  margin: 0 0 0.85rem;
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--paper);
}

.page-products .fx-status-chain {
  display: grid;
  gap: 0.65rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .fx-status-chain li {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: 0.86rem;
}

.page-products .fx-status-dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--amber-400);
}

.page-products .fx-status-chain strong {
  color: var(--paper);
  font-weight: 700;
}

.page-products .fx-status-chain span:last-child {
  color: var(--mist);
  font-size: 0.82rem;
}

/* ---------- 指标 ---------- */

.page-products .fx-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: 0.55rem;
  margin: clamp(1.25rem, 3vw, 1.9rem) 0 0;
  padding: 0;
  list-style: none;
}

.page-products .fx-metrics li {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  padding: 0.7rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(11, 58, 50, 0.7);
}

.page-products .fx-metric-id {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--amber-400);
}

.page-products .fx-metric-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--paper);
}

.page-products .fx-stat-notes {
  display: grid;
  gap: 0.7rem;
  margin-top: 1rem;
}

.page-products .fx-stat-notes p {
  display: flex;
  gap: 0.7rem;
  align-items: flex-start;
  margin: 0;
  padding: 0.8rem 0.95rem;
  border-left: 3px solid var(--cyan-500);
  background: var(--fx-chip);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--cyan-100);
}

.page-products .fx-note-num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  color: var(--amber-400);
}

/* ---------- 差异展开 ---------- */

.page-products .fx-diff-list {
  display: grid;
  gap: 0.55rem;
  margin-top: clamp(1.15rem, 3vw, 1.7rem);
}

.page-products .fx-diff {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  background: rgba(6, 42, 36, 0.6);
  overflow: hidden;
}

.page-products .fx-diff summary {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  cursor: pointer;
  list-style: none;
}

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

.page-products .fx-diff summary:hover .fx-diff-title {
  color: var(--cyan-500);
}

.page-products .fx-diff-id {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--amber-400);
}

.page-products .fx-diff-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--paper);
  transition: color 0.18s var(--ease);
}

.page-products .fx-diff-state {
  position: relative;
  width: 1.45rem;
  height: 1.45rem;
  border: 1px solid var(--line);
  border-radius: 50%;
}

.page-products .fx-diff-state::before,
.page-products .fx-diff-state::after {
  content: "";
  position: absolute;
  inset: 0;
  margin: auto;
  background: var(--cyan-500);
}

.page-products .fx-diff-state::before {
  width: 0.66rem;
  height: 1.5px;
}

.page-products .fx-diff-state::after {
  width: 1.5px;
  height: 0.66rem;
  transition: transform 0.18s var(--ease);
}

.page-products .fx-diff[open] .fx-diff-state::after {
  transform: scaleY(0);
}

.page-products .fx-diff-body {
  padding: 0 1rem 1rem;
  border-top: 1px solid var(--line-soft);
  background: rgba(242, 184, 75, 0.05);
}

.page-products .fx-diff-body p {
  margin: 0.85rem 0 0;
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 三端 ---------- */

.page-products .fx-device-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin: clamp(1.25rem, 3vw, 1.9rem) 0 0;
  padding: 0.9rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: linear-gradient(120deg, rgba(14, 75, 68, 0.8), rgba(43, 37, 84, 0.55));
}

.page-products .fx-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.4rem;
  padding: 0.3rem 0.55rem;
  border: 1px solid var(--amber-400);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--amber-400);
}

.page-products .fx-device-label {
  font-size: 0.8rem;
  color: var(--cyan-100);
}

.page-products .fx-device-grid {
  display: grid;
  gap: clamp(1.15rem, 3vw, 1.75rem);
  margin-top: clamp(1.15rem, 3vw, 1.6rem);
  align-items: start;
}

.page-products .fx-figure--phone {
  margin: 0;
}

.page-products .fx-device-copy p {
  margin: 0 0 0.8rem;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-products .fx-device-copy p:last-child {
  margin-bottom: 0;
}

/* ---------- 收尾 ---------- */

.page-products .fx-cta {
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border: 1px solid var(--line);
  border-radius: var(--fx-radius);
  background: linear-gradient(140deg, var(--indigo-800) 0%, var(--wine-700) 130%);
  box-shadow: var(--shadow-panel);
}

.page-products .fx-cta h2 {
  margin: 0 0 1.2rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.3rem, 2.8vw, 1.75rem);
  line-height: 1.3;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-products .fx-cta-list {
  display: grid;
  gap: 0.6rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .fx-cta-link {
  display: grid;
  gap: 0.3rem;
  padding: 0.9rem 1rem;
  border: 1px solid rgba(159, 247, 231, 0.22);
  border-radius: var(--radius-md);
  background: rgba(6, 42, 36, 0.35);
  text-decoration: none;
  transition: border-color 0.18s var(--ease), background-color 0.18s var(--ease), transform 0.18s var(--ease);
}

.page-products .fx-cta-link:hover,
.page-products .fx-cta-link:focus-visible {
  border-color: var(--cyan-500);
  background: rgba(6, 42, 36, 0.62);
  transform: translateX(3px);
}

.page-products .fx-cta-lead {
  font-size: 0.96rem;
  font-weight: 700;
  color: var(--cyan-100);
}

.page-products .fx-cta-sub {
  font-size: 0.82rem;
  line-height: 1.65;
  color: var(--mist);
}

/* ---------- 断点 ---------- */

@media (min-width: 680px) {
  .page-products .fx-nodes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-products .fx-status-chain {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.5rem;
  }

  .page-products .fx-status-chain li {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.35rem;
    padding-left: 0.85rem;
    border-left: 1px solid var(--line-soft);
  }

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

@media (min-width: 900px) {
  .page-products .fx-hero-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  }

  .page-products .fx-device-grid {
    grid-template-columns: minmax(0, 0.62fr) minmax(0, 1fr);
    align-items: center;
  }

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

@media (min-width: 1040px) {
  .page-products .fx-body {
    grid-template-columns: 210px minmax(0, 1fr);
    gap: clamp(1.75rem, 3.5vw, 3rem);
    align-items: start;
  }

  .page-products .fx-index {
    position: sticky;
    top: 1.5rem;
  }

  .page-products .fx-index-list {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-products .fx-index-link {
    border-radius: var(--radius-sm);
    white-space: normal;
    justify-content: flex-start;
  }

  .page-products .fx-section--wide .fx-sec-head {
    max-width: 68ch;
  }
}

@media (min-width: 1180px) {
  .page-products .fx-cta-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .fx-node-num,
  .page-products .seg-panel {
    animation: none;
  }

  .page-products .fx-cta-link:hover,
  .page-products .fx-cta-link:focus-visible {
    transform: none;
  }

  .page-products .fx-index-link,
  .page-products .seg-tab,
  .page-products .fx-diff-title,
  .page-products .fx-diff-state::after,
  .page-products .fx-cta-link {
    transition: none;
  }
}
<<<END>>>