.page-products {
  --pf-gap: clamp(14px, 2.4vw, 24px);
  --pf-pad: clamp(46px, 7vw, 92px);
  --pf-card-pad: clamp(20px, 2.6vw, 28px);
  color: var(--text);
}

/* ---------- 首屏 ---------- */
.page-products .pf-top {
  position: relative;
  overflow: hidden;
  padding-bottom: clamp(36px, 6vw, 76px);
  background:
    radial-gradient(120% 90% at 88% -10%, rgba(50, 230, 226, 0.14), transparent 62%),
    radial-gradient(80% 70% at 4% 112%, rgba(255, 106, 43, 0.1), transparent 60%),
    var(--ink-900);
  border-bottom: 1px solid var(--line);
}

.page-products .pf-top::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(34, 54, 74, 0.42) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34, 54, 74, 0.42) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.6), transparent 76%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.6), transparent 76%);
}

.page-products .pf-top > .container {
  position: relative;
  z-index: 1;
}

.page-products .breadcrumb {
  margin: 0;
  padding-top: clamp(14px, 2.4vw, 24px);
}

.page-products .pf-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 48px);
  margin-top: clamp(18px, 3vw, 30px);
}

.page-products .pf-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-products .pf-eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--orange);
  flex: none;
}

.page-products .pf-hero-copy h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 5.6vw, 3.6rem);
  line-height: 1.1;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-products .pf-lede {
  margin: 18px 0 0;
  font-size: clamp(0.98rem, 1.5vw, 1.06rem);
  line-height: 1.85;
  color: var(--text-soft);
  max-width: 40em;
}

.page-products .pf-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pf-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: rgba(18, 42, 66, 0.55);
  color: var(--text-soft);
  font-size: 0.84rem;
  text-decoration: none;
  transition: border-color 160ms var(--ease), color 160ms var(--ease), background 160ms var(--ease);
}

.page-products .pf-chip b {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--cyan);
  font-size: 0.9rem;
}

.page-products .pf-chip:hover,
.page-products .pf-chip:focus-visible {
  border-color: var(--cyan);
  color: var(--paper);
  background: rgba(50, 230, 226, 0.1);
}

.page-products .pf-hero-note {
  margin: 18px 0 0;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  color: var(--text-soft);
}

.page-products .pf-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

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

.page-products .pf-hero-figure .media-frame {
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

/* ---------- 章节骨架 ---------- */
.page-products .pf-band {
  padding: var(--pf-pad) 0;
  border-bottom: 1px solid var(--line);
}

.page-products .pf-band--alt {
  background: var(--ink-800);
}

.page-products .pf-band--closing {
  border-bottom: 0;
  background:
    radial-gradient(90% 120% at 12% 0%, rgba(50, 230, 226, 0.1), transparent 62%),
    var(--ink-900);
}

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

.page-products .pf-head--tight {
  max-width: 56ch;
}

.page-products .pf-head h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.55rem, 3.6vw, 2.45rem);
  line-height: 1.2;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-products .pf-sub {
  margin: 14px 0 0;
  font-size: 0.98rem;
  line-height: 1.8;
  color: var(--text-soft);
}

/* ---------- 对照表 ---------- */
.page-products .pf-work {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 32px);
  margin-top: clamp(24px, 3.6vw, 40px);
}

.page-products .pf-table-out {
  position: relative;
}

.page-products .pf-table-out::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 48px;
  pointer-events: none;
  background: linear-gradient(to right, rgba(11, 27, 46, 0), var(--panel));
}

.page-products .pf-tablewrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: var(--r-sm);
  -webkit-overflow-scrolling: touch;
}

.page-products .pf-tablewrap:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-products .pf-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.page-products .pf-caption {
  caption-side: bottom;
  padding: 12px 14px 0;
  font-size: 0.76rem;
  line-height: 1.7;
  color: var(--text-soft);
  text-align: left;
}

.page-products .pf-table thead th {
  background: var(--panel-2);
  color: var(--paper);
  font-family: var(--font-display);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: left;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

.page-products .pf-table tbody th,
.page-products .pf-table tbody td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  color: var(--text-soft);
  vertical-align: top;
  font-weight: 400;
  white-space: nowrap;
}

.page-products .pf-table tbody th {
  color: var(--paper);
  font-weight: 700;
  line-height: 1.6;
}

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

.page-products .pf-table tbody tr:hover th,
.page-products .pf-table tbody tr:hover td {
  background: rgba(50, 230, 226, 0.06);
}

.page-products .pf-table thead th:first-child,
.page-products .pf-table tbody th:first-child {
  position: sticky;
  left: 0;
  z-index: 2;
  background: var(--panel-2);
  border-right: 1px solid var(--line);
}

.page-products .pf-id {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--cyan);
  margin-bottom: 4px;
}

.page-products .pf-table tbody td .pf-id {
  display: inline;
  margin: 0;
}

.page-products .pf-score {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  color: var(--paper) !important;
  letter-spacing: 0.02em;
}

.page-products .pf-scroll-hint {
  margin: 12px 0 0;
  font-size: 0.78rem;
  line-height: 1.7;
  color: var(--text-soft);
}

.page-products .pf-work-side {
  display: grid;
  gap: var(--pf-gap);
  align-content: start;
}

.page-products .pf-list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .pf-list li {
  position: relative;
  padding-left: 18px;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--text-soft);
}

.page-products .pf-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--lime);
}

.page-products .pf-mini-fig {
  margin: 0;
}

.page-products .pf-mini-fig .media-frame {
  border: 1px solid var(--line);
}

/* ---------- 回放索引 ---------- */
.page-products .pf-replay-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.4vw, 40px);
}

.page-products .pf-tl-scroll {
  margin-top: clamp(20px, 3vw, 30px);
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: linear-gradient(180deg, rgba(18, 42, 66, 0.7), rgba(7, 17, 31, 0.9));
  padding: 10px 8px;
}

.page-products .pf-tl {
  display: block;
  width: 100%;
  min-width: 560px;
  height: auto;
}

.page-products .pf-tl-axis {
  stroke: var(--line);
  stroke-width: 2;
}

.page-products .pf-tl-fill {
  stroke: var(--cyan);
  stroke-width: 3;
}

.page-products .pf-tl-nodes circle {
  fill: var(--ink-900);
  stroke: var(--cyan);
  stroke-width: 2;
}

.page-products .pf-tl-nodes .is-hot {
  fill: var(--orange);
  stroke: var(--orange);
}

.page-products .pf-tl-label {
  font-family: var(--font-mono);
  font-size: 11px;
  fill: var(--gray);
  text-anchor: middle;
}

.page-products .pf-tl-label.is-hot {
  fill: var(--orange);
  font-weight: 700;
}

.page-products .pf-points {
  list-style: none;
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-products .pf-points li {
  padding-left: 16px;
  border-left: 2px solid var(--line);
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-products .pf-points strong {
  display: block;
  color: var(--paper);
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.page-products .pf-replay-side {
  display: grid;
  gap: var(--pf-gap);
  align-content: start;
}

.page-products .pf-panel-text {
  margin: 12px 0 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--text-soft);
}

/* ---------- 平板 ---------- */
.page-products .pf-cards {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pf-gap);
  margin-top: clamp(24px, 3.6vw, 40px);
}

.page-products .pf-card {
  position: relative;
  padding: var(--pf-card-pad);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: linear-gradient(180deg, rgba(18, 42, 66, 0.85), rgba(11, 27, 46, 0.92));
}

.page-products .pf-card::before {
  content: "";
  position: absolute;
  inset: 6px;
  border: 1px solid rgba(50, 230, 226, 0.14);
  border-radius: 2px;
  pointer-events: none;
}

.page-products .pf-card-num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--orange);
}

.page-products .pf-card h3 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.16rem;
  line-height: 1.35;
  color: var(--paper);
}

.page-products .pf-card p:last-child {
  margin: 10px 0 0;
  font-size: 0.9rem;
  line-height: 1.78;
  color: var(--text-soft);
}

.page-products .pf-tablet-note {
  display: grid;
  gap: 14px;
  margin-top: clamp(20px, 3vw, 30px);
  padding: clamp(20px, 2.8vw, 28px);
  border: 1px dashed var(--line);
  border-left: 3px solid var(--cyan);
  border-radius: var(--r-sm);
  background: rgba(50, 230, 226, 0.05);
}

.page-products .pf-badge {
  justify-self: start;
  padding: 4px 12px;
  border-radius: var(--r-pill);
  background: var(--cyan);
  color: var(--ink-900);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.page-products .pf-tablet-note p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-products .pf-tablet-note .btn {
  justify-self: start;
}

/* ---------- 场景 ---------- */
.page-products .pf-scene-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.4vw, 44px);
}

.page-products .pf-scene-fig {
  margin: 0;
}

.page-products .pf-scene-fig .media-frame {
  border: 1px solid var(--line);
}

.page-products .pf-scene-list {
  list-style: none;
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-products .pf-scene-list li {
  padding: 18px 20px;
  border-left: 2px solid var(--orange);
  background: rgba(18, 42, 66, 0.5);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
}

.page-products .pf-scene-list h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.08rem;
  line-height: 1.45;
  color: var(--paper);
}

.page-products .pf-scene-list p {
  margin: 8px 0 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-products .pf-scene-list a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(50, 230, 226, 0.4);
}

.page-products .pf-scene-list a:hover,
.page-products .pf-scene-list a:focus-visible {
  border-bottom-color: var(--cyan);
}

/* ---------- 版本 ---------- */
.page-products .pf-version-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.4vw, 40px);
}

.page-products .pf-timeline {
  list-style: none;
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 0;
  display: grid;
  gap: 20px;
}

.page-products .pf-timeline li {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 16px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}

.page-products .pf-timeline li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-products .pf-year {
  font-family: var(--font-mono);
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--orange);
  letter-spacing: 0.02em;
}

.page-products .pf-timeline h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.12rem;
  line-height: 1.4;
  color: var(--paper);
}

.page-products .pf-timeline p {
  margin: 8px 0 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-products .pf-details {
  margin-top: clamp(22px, 3vw, 30px);
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--panel);
}

.page-products .pf-details summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 54px;
  cursor: pointer;
  list-style: none;
  color: var(--paper);
  font-weight: 700;
  font-size: 0.94rem;
}

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

.page-products .pf-details summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.3rem;
  color: var(--cyan);
  line-height: 1;
}

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

.page-products .pf-details summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-products .pf-dims {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 18px;
  margin: 0;
  padding: 4px 0 20px;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-soft);
}

.page-products .pf-dims li {
  padding-left: 14px;
  position: relative;
  line-height: 1.7;
}

.page-products .pf-dims li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  opacity: 0.7;
}

.page-products .pf-legacy {
  margin-top: clamp(22px, 3vw, 30px);
  padding: clamp(20px, 2.8vw, 28px);
  border: 1px solid var(--line);
  border-top: 3px solid var(--orange);
  border-radius: var(--r-sm);
  background: rgba(11, 27, 46, 0.7);
}

.page-products .pf-legacy h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.14rem;
  color: var(--paper);
}

.page-products .pf-legacy p {
  margin: 10px 0 18px;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-products .pf-version-side {
  display: grid;
  gap: var(--pf-gap);
  align-content: start;
}

/* ---------- 步骤 ---------- */
.page-products .pf-steps {
  list-style: none;
  counter-reset: pfstep;
  margin: clamp(24px, 3.6vw, 40px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pf-gap);
}

.page-products .pf-steps li {
  padding: clamp(20px, 2.6vw, 26px);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: rgba(18, 42, 66, 0.55);
}

.page-products .pf-step-num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: 0.04em;
  line-height: 1;
}

.page-products .pf-steps h3 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--paper);
}

.page-products .pf-steps p {
  margin: 8px 0 0;
  font-size: 0.9rem;
  line-height: 1.78;
  color: var(--text-soft);
}

.page-products .pf-closing {
  display: grid;
  gap: 16px;
  margin-top: clamp(26px, 4vw, 44px);
  padding: clamp(22px, 3vw, 32px);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: linear-gradient(120deg, rgba(50, 230, 226, 0.08), rgba(255, 106, 43, 0.06));
}

.page-products .pf-closing p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.85;
  color: var(--text-soft);
}

.page-products .pf-closing a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(50, 230, 226, 0.4);
}

.page-products .pf-closing a:hover,
.page-products .pf-closing a:focus-visible {
  border-bottom-color: var(--cyan);
}

.page-products .pf-closing .btn {
  justify-self: start;
}

.page-products .pf-closing .btn a,
.page-products .pf-closing .btn {
  border-bottom: 0;
  color: var(--ink-900);
}

/* ---------- 渐进增强 ---------- */
.page-products [data-reveal] {
  opacity: 1;
}

@media (prefers-reduced-motion: no-preference) {
  .page-products [data-reveal] {
    opacity: 0;
    transform: translateY(14px);
    transition: opacity 220ms var(--ease), transform 220ms var(--ease);
  }

  .page-products [data-reveal].is-visible {
    opacity: 1;
    transform: none;
  }
}

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

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

  .page-products .pf-tablet-note {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .page-products .pf-tablet-note p {
    grid-column: 1;
  }

  .page-products .pf-badge {
    grid-column: 1 / -1;
  }

  .page-products .pf-tablet-note .btn {
    grid-row: 2;
    grid-column: 2;
  }
}

@media (min-width: 900px) {
  .page-products .pf-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(28px, 4vw, 56px);
    align-items: end;
  }

  .page-products .pf-work {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    align-items: start;
  }

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

  .page-products .pf-replay-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-products .pf-scene-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-products .pf-version-grid {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    align-items: start;
  }

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

@media (max-width: 480px) {
  .page-products .pf-table {
    font-size: 0.84rem;
  }

  .page-products .pf-table thead th,
  .page-products .pf-table tbody th,
  .page-products .pf-table tbody td {
    padding: 12px;
  }

  .page-products .pf-timeline li {
    grid-template-columns: 52px minmax(0, 1fr);
    gap: 12px;
  }

  .page-products .pf-dims {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
<<<END>>>