.page-products {
  --pf-rail: 84px;
  --pf-panel-line: 1px solid rgba(233, 180, 76, 0.28);
}

/* ---------- 面包屑上方的呼吸 ---------- */
.page-products .section:first-of-type {
  padding-top: clamp(20px, 3vw, 32px);
}

/* ---------- 首屏 ---------- */
.page-products .pf-hero {
  padding-top: clamp(16px, 2.5vw, 28px);
  padding-bottom: clamp(32px, 6vw, 64px);
}

.page-products .pf-hero__grid {
  display: grid;
  gap: 24px;
}

.page-products .pf-hero__lead {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-products .pf-hero__intro {
  margin: 0;
  font-size: var(--fs-base);
  line-height: 1.75;
  color: var(--mist);
  max-width: 44em;
}

.page-products .pf-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .pf-hero__facts {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.page-products .pf-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 12px;
  background: var(--ink-800);
  border: var(--rule-soft);
  border-radius: var(--radius);
  font-size: var(--fs-sm);
  color: var(--muted);
}

.page-products .pf-hero__facts .index-num {
  font-size: var(--fs-md);
  color: var(--gold);
  letter-spacing: -0.02em;
}

.page-products .pf-hero__media {
  margin: 0;
}

.page-products .pf-hero__media .media__frame,
.page-products .pf-block__media .media__frame,
.page-products .pf-devices__media .media__frame {
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: var(--rule);
  background: var(--ink-800);
  box-shadow: var(--shadow-2);
}

.page-products .pf-hero__media img,
.page-products .pf-block__media img,
.page-products .pf-devices__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-products .pf-hero__media .media__frame {
  aspect-ratio: 14 / 8;
}

.page-products .pf-hero__media img {
  height: 100%;
}

.page-products .media__caption {
  display: block;
  margin-top: 10px;
  font-size: var(--fs-xs);
  line-height: 1.5;
  color: var(--muted);
}

/* ---------- 模块索引 ---------- */
.page-products .pf-index {
  padding-block: clamp(24px, 5vw, 56px);
}

.page-products .pf-filter {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
}

.page-products .pf-filter__status {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--muted);
  margin-left: auto;
}

.page-products .pf-modules {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-products .pf-module {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px;
  background: var(--ink-800);
  border: var(--rule);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-1);
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-products .pf-module:hover {
  transform: translateY(-3px);
  border-color: rgba(233, 180, 76, 0.55);
}

.page-products .pf-module .card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.page-products .pf-module .card__index {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  letter-spacing: 0.08em;
  color: var(--gold);
}

.page-products .pf-module .card__title {
  margin: 0;
  font-size: var(--fs-md);
  font-weight: 800;
  color: var(--panel);
}

.page-products .pf-module__text {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: 1.7;
  color: var(--muted);
}

.page-products .pf-module .card__foot {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: auto 0 0;
  padding-top: 8px;
  border-top: var(--rule-soft);
}

.page-products .pf-ico {
  width: 18px;
  height: 18px;
  flex: none;
  color: var(--green);
}

.page-products .pf-link {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(233, 180, 76, 0.35);
  font-size: var(--fs-sm);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-products .pf-link:hover,
.page-products .pf-link:focus-visible {
  color: var(--violet);
  border-bottom-color: var(--violet);
}

/* ---------- 功能小节 ---------- */
.page-products .pf-block {
  padding-block: clamp(28px, 5vw, 56px);
}

.page-products .pf-block__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-products .pf-block__aside {
  display: flex;
  align-items: center;
  gap: 12px;
}

.page-products .pf-block__num {
  font-size: var(--fs-lg);
  color: var(--gold);
}

.page-products .pf-block__title {
  margin: 0 0 14px;
  font-size: clamp(1.3rem, 3.6vw, var(--fs-xl));
  line-height: 1.35;
  color: var(--panel);
}

.page-products .pf-block__body p {
  margin: 0 0 14px;
  font-size: var(--fs-base);
  line-height: 1.78;
  color: var(--mist);
  max-width: var(--measure);
}

.page-products .pf-points {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .pf-points li {
  position: relative;
  padding: 12px 14px 12px 16px;
  background: rgba(26, 32, 80, 0.75);
  border: var(--rule-soft);
  border-left: 2px solid var(--gold);
  border-radius: var(--radius);
  font-size: var(--fs-sm);
  line-height: 1.7;
  color: var(--mist);
}

.page-products .pf-key {
  display: inline-block;
  margin-right: 8px;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.04em;
  color: var(--green);
}

.page-products .pf-block__side {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-products .pf-block__media {
  margin: 0;
}

.page-products .pf-block__media .media__frame {
  aspect-ratio: 10 / 7;
}

.page-products .pf-block__media img {
  height: 100%;
}

.page-products .pf-block--flip .pf-block__media .media__frame {
  aspect-ratio: 1 / 1;
}

/* ---------- 复盘数据包小卡 ---------- */
.page-products .pf-package {
  padding: 18px;
  background: var(--panel);
  border: 1px solid rgba(14, 18, 48, 0.12);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-1);
}

.page-products .pf-package .card__index {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.14em;
  color: var(--ink-700);
  text-transform: uppercase;
}

.page-products .pf-package .card__title {
  margin: 6px 0 12px;
  font-size: var(--fs-md);
  color: var(--ink-900);
}

.page-products .pf-package__list {
  list-style: none;
  margin: 0 0 12px;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-products .pf-package__list li {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: var(--fs-sm);
  line-height: 1.6;
  color: var(--ink-800);
}

.page-products .pf-package .card__foot {
  margin: 0;
  padding-top: 10px;
  border-top: 1px solid rgba(14, 18, 48, 0.12);
  font-size: var(--fs-xs);
  color: var(--ink-700);
}

/* ---------- 折叠说明 ---------- */
.page-products .pf-fold {
  margin-top: 8px;
  border: var(--rule-soft);
  border-radius: var(--radius);
  background: rgba(26, 32, 80, 0.6);
}

.page-products .pf-fold summary {
  cursor: pointer;
  padding: 12px 14px;
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--gold);
  list-style: none;
}

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

.page-products .pf-fold summary::after {
  content: "+";
  float: right;
  font-family: var(--font-mono);
  color: var(--muted);
}

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

.page-products .pf-fold__body {
  padding: 0 14px 14px;
}

.page-products .pf-fold__body p {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: 1.72;
  color: var(--muted);
  max-width: 44em;
}

/* ---------- 设备对比 ---------- */
.page-products .pf-devices {
  padding-block: clamp(32px, 6vw, 72px);
  background: linear-gradient(180deg, rgba(26, 32, 80, 0.55) 0%, rgba(14, 18, 48, 0) 100%);
  border-top: var(--rule-soft);
  border-bottom: var(--rule-soft);
}

.page-products .pf-table-wrap {
  overflow-x: auto;
  border: var(--rule);
  border-radius: var(--radius-lg);
  background: var(--ink-800);
  box-shadow: var(--shadow-1);
}

.page-products .pf-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: var(--fs-sm);
}

.page-products .pf-table caption {
  caption-side: top;
  text-align: left;
  padding: 14px 16px 0;
  font-size: var(--fs-xs);
  color: var(--muted);
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

.page-products .pf-table thead th {
  padding: 14px 16px;
  text-align: left;
  font-size: var(--fs-xs);
  letter-spacing: 0.06em;
  color: var(--ink-900);
  background: var(--mist);
  border-bottom: 1px solid rgba(14, 18, 48, 0.16);
  white-space: nowrap;
}

.page-products .pf-table tbody th {
  padding: 13px 16px;
  text-align: left;
  font-weight: 700;
  font-size: var(--fs-sm);
  color: var(--gold);
  background: rgba(14, 18, 48, 0.45);
  border-bottom: var(--rule-soft);
  white-space: nowrap;
}

.page-products .pf-table tbody td {
  padding: 13px 16px;
  color: var(--mist);
  border-bottom: var(--rule-soft);
  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 td,
.page-products .pf-table tbody tr:hover th {
  background: rgba(108, 91, 240, 0.1);
}

.page-products .pf-table .status {
  margin-right: 7px;
}

.page-products .pf-devices__foot {
  display: grid;
  gap: 22px;
  margin-top: 26px;
}

.page-products .pf-devices__media {
  margin: 0;
}

.page-products .pf-devices__media .media__frame {
  aspect-ratio: 4 / 5;
  max-width: 380px;
}

.page-products .pf-devices__media img {
  height: 100%;
}

.page-products .pf-devices__notes h3 {
  margin: 0 0 10px;
  font-size: var(--fs-md);
  color: var(--panel);
}

.page-products .pf-devices__notes p {
  margin: 0 0 12px;
  font-size: var(--fs-base);
  line-height: 1.78;
  color: var(--mist);
  max-width: 40em;
}

/* ---------- 三步上手 ---------- */
.page-products .pf-steps-section {
  padding-block: clamp(32px, 6vw, 72px);
}

.page-products .pf-steps {
  list-style: none;
  margin: 0 0 32px;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  counter-reset: pf-step;
}

.page-products .pf-step {
  position: relative;
  padding: 20px 18px;
  background: var(--ink-800);
  border: var(--rule);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-1);
}

.page-products .pf-step__num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--fs-lg);
  line-height: 1;
  color: var(--red);
  letter-spacing: -0.03em;
  margin-bottom: 10px;
}

.page-products .pf-step h3 {
  margin: 0 0 8px;
  font-size: var(--fs-base);
  font-weight: 800;
  color: var(--panel);
}

.page-products .pf-step p {
  margin: 0 0 12px;
  font-size: var(--fs-sm);
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 页尾行动区 ---------- */
.page-products .pf-cta {
  display: grid;
  gap: 16px;
  padding: 22px;
  border: var(--pf-panel-line);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(120% 140% at 0% 0%, rgba(226, 62, 62, 0.22) 0%, rgba(14, 18, 48, 0) 62%),
    var(--ink-800);
  box-shadow: var(--shadow-2);
}

.page-products .pf-cta__text h3 {
  margin: 0 0 8px;
  font-size: var(--fs-md);
  color: var(--panel);
}

.page-products .pf-cta__text p {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: 1.72;
  color: var(--mist);
  max-width: 42em;
}

.page-products .pf-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.page-products .pf-more {
  margin: 22px 0 0;
  font-size: var(--fs-sm);
  line-height: 1.8;
  color: var(--muted);
  max-width: 48em;
}

.page-products .pf-more .pf-link {
  margin: 0 2px;
}

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

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

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

  .page-products .pf-package__list li {
    font-size: var(--fs-base);
  }
}

@media (min-width: 900px) {
  .page-products .pf-modules {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }

  .page-products .pf-module {
    grid-column: span 5;
  }

  .page-products .pf-module--wide {
    grid-column: span 7;
  }

  .page-products .pf-devices__foot {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    gap: 34px;
    align-items: start;
  }

  .page-products .pf-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    padding: 26px 28px;
  }
}

@media (min-width: 1024px) {
  .page-products .pf-hero {
    padding-top: 24px;
  }

  .page-products .pf-hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: 42px;
    align-items: center;
  }

  .page-products .pf-block__grid {
    grid-template-columns: var(--pf-rail) minmax(0, 1.25fr) minmax(0, 0.95fr);
    gap: 32px;
    align-items: start;
  }

  .page-products .pf-block__aside {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .page-products .pf-block--flip .pf-block__grid {
    grid-template-columns: var(--pf-rail) minmax(0, 0.95fr) minmax(0, 1.25fr);
  }

  .page-products .pf-block--flip .pf-block__media {
    grid-column: 2;
  }

  .page-products .pf-block--flip .pf-block__body,
  .page-products .pf-block--flip .pf-block__side {
    grid-column: 3;
  }

  .page-products .pf-block__side {
    align-self: start;
  }
}

@media (min-width: 1200px) {
  .page-products .pf-hero__intro {
    font-size: var(--fs-md);
  }
}