.page-products {
  --tool-pad: clamp(1.1rem, 2.4vw, 1.9rem);
  --tool-cell: rgba(16, 48, 42, 0.52);
  display: block;
  color: var(--cream);
  background:
    linear-gradient(180deg, var(--night) 0%, var(--night) 58%, #120a18 100%);
}

/* ---------- 首屏 ---------- */
.page-products .hero {
  position: relative;
  margin-top: 1.1rem;
  padding: 2rem 1.05rem 2.1rem;
  background:
    radial-gradient(92% 120% at 8% 0%, var(--grape-veil), transparent 62%),
    linear-gradient(180deg, var(--vine-veil), transparent 74%);
}

.page-products .hero .v-note {
  position: absolute;
  top: 1.3rem;
  right: 0.7rem;
  font-family: var(--f-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.3em;
  color: var(--gold);
  opacity: 0.78;
  writing-mode: vertical-rl;
}

.page-products .hero-kicker {
  margin: 0 0 0.55rem;
  font-family: var(--f-mono);
  font-size: var(--fs-note);
  letter-spacing: 0.26em;
  color: var(--grape-light);
}

.page-products .hero h1 {
  margin: 0 0 0.9rem;
  max-width: 11em;
  font-family: var(--f-display);
  font-weight: 900;
  font-size: clamp(2.05rem, 7vw, 4rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--cream);
}

.page-products .hero .lede {
  max-width: 34em;
  margin: 0 0 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line-soft);
  color: var(--muted);
  font-size: var(--fs-body);
  line-height: 1.9;
}

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

/* ---------- 首屏横幅 ---------- */
.page-products .tool-banner {
  margin: 1.6rem 0 0;
}

.page-products .banner-frame {
  aspect-ratio: 8 / 3;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  background: var(--vine);
}

.page-products .banner-frame img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(0.85) brightness(0.8);
}

.page-products .tool-banner .media-caption {
  margin-top: 0.55rem;
  font-family: var(--f-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  color: var(--muted);
}

/* ---------- 速览刻度 ---------- */
.page-products .tool-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  margin-top: 1.5rem;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-products .tool-stat {
  padding: 0.9rem 0.9rem 1rem;
  border-left: 1px solid var(--line-soft);
}

.page-products .tool-stat:nth-child(odd) {
  border-left: 0;
}

.page-products .stat-num {
  display: block;
  font-family: var(--f-display);
  font-weight: 900;
  font-size: clamp(1.5rem, 5vw, 2.1rem);
  line-height: 1;
  color: var(--gold-pale);
}

.page-products .stat-label {
  display: block;
  margin-top: 0.45rem;
  font-family: var(--f-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  color: var(--muted);
}

/* ---------- 筛选带 ---------- */
.page-products .tool-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0 1.3rem;
  margin-top: 2rem;
  padding: 0;
  border-bottom: 1px solid var(--line);
  background: none;
}

.page-products .tool-filters .filter-btn {
  padding: 0.7rem 0 0.55rem;
  border: 0;
  border-bottom: 2px solid transparent;
  border-radius: 0;
  background: none;
  color: var(--muted);
  font-family: var(--f-mono);
  font-size: var(--fs-note);
  letter-spacing: 0.16em;
  cursor: pointer;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-products .tool-filters .filter-btn:hover {
  color: var(--gold-pale);
}

.page-products .tool-filters .filter-btn[aria-pressed="true"] {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

.page-products .tool-filters .filter-btn:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

/* ---------- 错位卡片流 ---------- */
.page-products .tool-flow {
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--line);
}

.page-products .tool-card {
  display: flex;
  flex-direction: column;
  padding: var(--tool-pad);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(30, 74, 60, 0.24), var(--tool-cell));
  transition: transform 0.18s var(--ease), border-color 0.18s var(--ease),
    background 0.18s var(--ease);
}

.page-products .tool-card:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
  background: linear-gradient(180deg, rgba(30, 74, 60, 0.34), rgba(16, 48, 42, 0.62));
}

.page-products .tool-icon {
  display: block;
  width: 26px;
  height: 26px;
  color: var(--gold);
  opacity: 0.6;
  transition: opacity 0.18s var(--ease);
}

.page-products .tool-card:hover .tool-icon {
  opacity: 1;
}

.page-products .tool-icon svg {
  display: block;
  width: 100%;
  height: 100%;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: square;
}

.page-products .tool-kicker {
  margin: 0.85rem 0 0.4rem;
  font-family: var(--f-mono);
  font-size: var(--fs-note);
  letter-spacing: 0.14em;
  color: var(--grape-light);
}

.page-products .tool-card .card-title {
  margin: 0 0 0.6rem;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 1.32rem;
  line-height: 1.35;
  color: var(--cream);
}

.page-products .tool-desc {
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.9;
}

.page-products .tool-fig {
  margin: 0 0 1rem;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  background: var(--vine);
}

.page-products .tool-fig img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(0.8) brightness(0.82);
}

.page-products .tool-fold {
  margin-top: auto;
  padding-top: 0.7rem;
  border-top: 1px solid var(--line-soft);
}

.page-products .tool-fold .fold-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 0.25rem 0;
  border: 0;
  background: none;
  color: var(--grape-light);
  font-family: var(--f-mono);
  font-size: var(--fs-note);
  letter-spacing: 0.16em;
  text-align: left;
  cursor: pointer;
  transition: color 0.18s var(--ease);
}

.page-products .tool-fold .fold-head:hover {
  color: var(--gold-pale);
}

.page-products .tool-fold .fold-head:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

.page-products .tool-fold .fold-body {
  padding: 0.55rem 0 0.2rem;
}

.page-products .tool-fold .fold-body p {
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.85;
}

.page-products .tool-card .card-meta {
  margin: 0.9rem 0 0;
}

/* ---------- 章节 ---------- */
.page-products .section {
  margin-top: clamp(2.4rem, 5vw, 3.6rem);
  padding-top: clamp(1.6rem, 3.4vw, 2.4rem);
}

.page-products .section-head {
  align-items: baseline;
  column-gap: 1rem;
}

.page-products .section-index {
  font-family: var(--f-mono);
  font-size: 0.75rem;
  letter-spacing: 0.24em;
  color: var(--gold);
}

.page-products .section-title {
  font-family: var(--f-display);
  font-weight: 900;
  font-size: var(--fs-title);
  line-height: 1.24;
  color: var(--cream);
}

.page-products .section-sub {
  max-width: 34em;
  margin-top: 0.9rem;
  color: var(--muted);
  font-size: var(--fs-body);
  line-height: 1.9;
}

/* ---------- 01 三种筛选 ---------- */
.page-products .pick-list {
  margin-top: 1.6rem;
  border-top: 1px solid var(--line);
}

.page-products .pick-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.35rem 1.2rem;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .pick-key {
  margin: 0;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 1.08rem;
  letter-spacing: 0.04em;
  color: var(--gold);
}

.page-products .pick-body {
  max-width: 34em;
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.9;
}

/* ---------- 02 路径续用 ---------- */
.page-products .switch-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin-top: 1.6rem;
  border: 1px solid var(--line-soft);
  background: var(--line-soft);
}

.page-products .switch-cell {
  padding: var(--tool-pad);
  background: linear-gradient(180deg, rgba(30, 74, 60, 0.4), rgba(16, 48, 42, 0.62));
}

.page-products .switch-cell h3 {
  margin: 0 0 0.5rem;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--cream);
}

.page-products .switch-cell p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.9;
}

/* ---------- 03 三步自查 ---------- */
.page-products .step-list {
  margin: 1.7rem 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-products .step-item {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 0 0.9rem;
  padding: 1.15rem 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .step-num {
  padding-left: 0.55rem;
  border-left: 2px solid var(--grape);
  font-family: var(--f-mono);
  font-size: 1.35rem;
  line-height: 1.3;
  letter-spacing: 0.06em;
  color: var(--grape-light);
}

.page-products .step-item h3 {
  margin: 0 0 0.35rem;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 1.08rem;
  color: var(--cream);
}

.page-products .step-item p {
  max-width: 34em;
  margin: 0;
  color: var(--muted);
  font-size: 0.96rem;
  line-height: 1.9;
}

/* ---------- 04 设备 ---------- */
.page-products .device-grid {
  margin-top: 1.5rem;
}

.page-products .device-cell {
  padding: var(--tool-pad);
  border: 1px solid var(--line-soft);
  background: var(--tool-cell);
}

.page-products .device-cell h3 {
  margin: 0 0 0.55rem;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--gold-pale);
}

.page-products .device-cell p {
  margin: 0;
  color: var(--muted);
  font-size: 0.96rem;
  line-height: 1.9;
}

.page-products .device-tail {
  max-width: 34em;
  margin: 1.2rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.9;
}

/* ---------- 收尾 ---------- */
.page-products .tool-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.6rem;
  align-items: center;
  justify-content: space-between;
  margin-top: clamp(2.2rem, 4.6vw, 3.2rem);
  padding: 1.5rem 1.15rem;
  border: 1px solid var(--line);
  background: linear-gradient(118deg, rgba(107, 63, 160, 0.22), rgba(30, 74, 60, 0.4));
}

.page-products .tool-cta-text {
  max-width: 26em;
  margin: 0;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 1.1rem;
  line-height: 1.6;
  color: var(--cream);
}

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

.page-products .tool-cta-actions .btn:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-products .hero {
    padding: 2.4rem 1.8rem 2.6rem;
  }

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

  .page-products .tool-stat:nth-child(odd) {
    border-left: 1px solid var(--line-soft);
  }

  .page-products .tool-stat:first-child {
    border-left: 0;
  }

  .page-products .pick-row {
    grid-template-columns: 8.5rem 1fr;
    gap: 0 1.2rem;
  }

  .page-products .switch-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 780px) {
  .page-products .hero {
    padding: 3rem 2.6rem 3.2rem;
  }

  .page-products .hero .v-note {
    top: 2.2rem;
    right: 1.3rem;
  }

  .page-products .hero .lede {
    font-size: 1.12rem;
  }

  .page-products .tool-flow {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-products .tool-card {
    border-right: 1px solid var(--line-soft);
  }

  .page-products .step-item {
    grid-template-columns: 4rem 1fr;
    gap: 0 1.4rem;
  }

  .page-products .step-num {
    font-size: 1.7rem;
  }

  .page-products .tool-cta {
    padding: 1.9rem 2rem;
  }
}

@media (min-width: 1020px) {
  .page-products .hero {
    padding: 3.6rem 3.2rem 3.8rem;
  }

  .page-products .tool-flow {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-products .tool-card:nth-child(3n + 2) {
    padding-top: calc(var(--tool-pad) + 1.1rem);
  }

  .page-products .tool-card:nth-child(3n) {
    padding-top: calc(var(--tool-pad) - 0.3rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .tool-card,
  .page-products .tool-filters .filter-btn,
  .page-products .tool-icon {
    transition: none;
  }

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